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SMTP id 006d021491bc7-69dfa8ca4femr725760eaf.32.1779979657376; Thu, 28 May 2026 07:47:37 -0700 (PDT) Date: Thu, 28 May 2026 07:47:37 -0700 In-Reply-To: <6a185588.586c836d.2e3ab2.0638.GAE@google.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <6a185589.b6d9d2ce.2aaec5.0678.GAE@google.com> Subject: Re: Re: [moderation/CI] Re: netlink: fix skb refcount leak when dump start fails From: syzbot To: syzbot@syzkaller.appspotmail.com Cc: pimyn@google.com, syzbot@lists.linux.dev, syzkaller-upstream-moderation@googlegroups.com Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> #syz upstream >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> Failed to process the command. = Contact syzkaller@googlegroups.com. >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> On Thu, May 28, 2026 at 4:39= =E2=80=AFPM syzbot ci >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> wrote: >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> syzbot ci has tested the foll= owing series >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> [v1] netlink: fix skb refcoun= t leak when dump start fails >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> https://lore.kernel.org/all/2= 0260528073614.1169858-1-vulab@iscas.ac.cn >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> * [PATCH] netlink: fix skb re= fcount leak when dump start fails >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> and found the following issue= s: >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> * KASAN: slab-use-after-free = Read in nl80211_prepare_wdev_dump >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> * KASAN: slab-use-after-free = Read in xfrm_dump_sa_done >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> * KASAN: slab-use-after-free = Write in sk_skb_reason_drop >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> Full report is available here= : >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> https://ci.syzbot.org/series/= 8ed6f41d-0d02-4f1f-a7be-cc639c2b4cfd >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> *** >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> KASAN: slab-use-after-free Re= ad in nl80211_prepare_wdev_dump >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> tree: net >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> URL: https://kernel.goo= glesource.com/pub/scm/linux/kernel/git/netdev/net.git >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> base: 18014147d3ee7831dc= e53fe65d7fc8d428b02552 >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> arch: amd64 >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> compiler: Debian clang versi= on 21.1.8 (++20251221033036+2078da43e25a-1~exp1~20251221153213.50), Debian = LLD 21.1.8 >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> config: https://ci.syzbot.= org/builds/90c5185d-0dad-4c34-a563-4253ebb12eb2/config >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> syz repro: https://ci.syzbot.= org/findings/0ad9835c-f631-4240-a3ad-2610bca3de33/syz_repro >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> =3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> BUG: KASAN: slab-use-after-fr= ee in __nlmsg_parse include/net/netlink.h:784 [inline] >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> BUG: KASAN: slab-use-after-fr= ee in nlmsg_parse_deprecated include/net/netlink.h:830 [inline] >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> BUG: KASAN: slab-use-after-fr= ee in nl80211_prepare_wdev_dump+0x634/0x680 net/wireless/nl80211.c:1245 >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> Read of size 4 at addr ffff88= 816e172d80 by task syz.0.17/5814 >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> CPU: 1 UID: 0 PID: 5814 Comm:= syz.0.17 Not tainted syzkaller #0 PREEMPT(full) >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> Hardware name: QEMU Standard = PC (Q35 + ICH9, 2009), BIOS 1.16.2-debian-1.16.2-1 04/01/2014 >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> Call Trace: >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> dump_stack_lvl+0xe8/0x150 li= b/dump_stack.c:120 >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> print_address_description+0x= 55/0x1e0 mm/kasan/report.c:378 >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> print_report+0x58/0x70 mm/ka= san/report.c:482 >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> kasan_report+0x117/0x150 mm/= kasan/report.c:595 >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> __nlmsg_parse include/net/ne= tlink.h:784 [inline] >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> nlmsg_parse_deprecated inclu= de/net/netlink.h:830 [inline] >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> nl80211_prepare_wdev_dump+0x= 634/0x680 net/wireless/nl80211.c:1245 >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> nl80211_dump_station+0x186/0= xdb0 net/wireless/nl80211.c:8216 >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> genl_dumpit+0x10b/0x1b0 net/= netlink/genetlink.c:1026 >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> netlink_dump+0x702/0xe10 net= /netlink/af_netlink.c:2325 >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> netlink_recvmsg+0x690/0xa50 = net/netlink/af_netlink.c:1976 >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> sock_recvmsg_nosec net/socke= t.c:1137 [inline] >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> sock_recvmsg+0x172/0x1b0 net= /socket.c:1159 >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> __sys_recvfrom+0x240/0x3c0 n= et/socket.c:2315 >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> __do_sys_recvfrom net/socket= .c:2330 [inline] >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> __se_sys_recvfrom net/socket= .c:2326 [inline] >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> __x64_sys_recvfrom+0xde/0x10= 0 net/socket.c:2326 >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> do_syscall_x64 arch/x86/entr= y/syscall_64.c:63 [inline] >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> do_syscall_64+0x15f/0xf80 ar= ch/x86/entry/syscall_64.c:94 >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> entry_SYSCALL_64_after_hwfra= me+0x77/0x7f >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> RIP: 0033:0x7fd64155d68e >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> Code: 08 0f 85 a5 a8 ff ff 49= 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c= 24 10 4c 89 5c 24 08 0f 05 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 80 00 = 00 00 00 48 83 ec 08 >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> RSP: 002b:00007fd6424b5e88 EF= LAGS: 00000246 ORIG_RAX: 000000000000002d >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> RAX: ffffffffffffffda RBX: 00= 007fd6424b76c0 RCX: 00007fd64155d68e >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> RDX: 0000000000001000 RSI: 00= 007fd6424b6000 RDI: 0000000000000003 >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> RBP: 0000000000000000 R08: 00= 00000000000000 R09: 0000000000000000 >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> R10: 0000000000000000 R11: 00= 00000000000246 R12: 0000000000000003 >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> R13: 00007fd6424b5f58 R14: 00= 007fd6424b6000 R15: 0000000000000000 >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> Allocated by task 5813: >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> kasan_save_stack mm/kasan/co= mmon.c:57 [inline] >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> kasan_save_track+0x3e/0x80 m= m/kasan/common.c:78 >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> unpoison_slab_object mm/kasa= n/common.c:340 [inline] >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> __kasan_slab_alloc+0x6c/0x80= mm/kasan/common.c:366 >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> kasan_slab_alloc include/lin= ux/kasan.h:253 [inline] >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> slab_post_alloc_hook mm/slub= .c:4569 [inline] >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> slab_alloc_node mm/slub.c:48= 98 [inline] >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> kmem_cache_alloc_node_noprof= +0x384/0x690 mm/slub.c:4950 >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> kmalloc_reserve net/core/skb= uff.c:613 [inline] >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> __alloc_skb+0x27d/0x7d0 net/= core/skbuff.c:713 >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> netlink_sendmsg+0x5d4/0xb40 = net/netlink/af_netlink.c:1869 >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> sock_sendmsg_nosec net/socke= t.c:787 [inline] >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> __sock_sendmsg net/socket.c:= 802 [inline] >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> ____sys_sendmsg+0x972/0x9f0 = net/socket.c:2698 >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> ___sys_sendmsg+0x2a5/0x360 n= et/socket.c:2752 >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> __sys_sendmsg net/socket.c:2= 784 [inline] >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> __do_sys_sendmsg net/socket.= c:2789 [inline] >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> __se_sys_sendmsg net/socket.= c:2787 [inline] >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> __x64_sys_sendmsg+0x1bd/0x2a= 0 net/socket.c:2787 >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> do_syscall_x64 arch/x86/entr= y/syscall_64.c:63 [inline] >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> do_syscall_64+0x15f/0xf80 ar= ch/x86/entry/syscall_64.c:94 >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> entry_SYSCALL_64_after_hwfra= me+0x77/0x7f >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> Freed by task 5813: >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> kasan_save_stack mm/kasan/co= mmon.c:57 [inline] >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> kasan_save_track+0x3e/0x80 m= m/kasan/common.c:78 >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> kasan_save_free_info+0x46/0x= 50 mm/kasan/generic.c:584 >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> poison_slab_object mm/kasan/= common.c:253 [inline] >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> __kasan_slab_free+0x5c/0x80 = mm/kasan/common.c:285 >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> kasan_slab_free include/linu= x/kasan.h:235 [inline] >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> slab_free_hook mm/slub.c:268= 9 [inline] >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> slab_free mm/slub.c:6250 [in= line] >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> kfree+0x1c5/0x640 mm/slub.c:= 6565 >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> skb_kfree_head net/core/skbu= ff.c:1075 [inline] >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> skb_free_head net/core/skbuf= f.c:1087 [inline] >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> skb_release_data+0x828/0xa60= net/core/skbuff.c:1114 >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> skb_release_all net/core/skb= uff.c:1189 [inline] >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> __kfree_skb+0x5d/0x210 net/c= ore/skbuff.c:1203 >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> netlink_unicast_kernel net/n= etlink/af_netlink.c:1319 [inline] >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> netlink_unicast+0x764/0x8e0 = net/netlink/af_netlink.c:1344 >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> netlink_sendmsg+0x813/0xb40 = net/netlink/af_netlink.c:1894 >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> sock_sendmsg_nosec net/socke= t.c:787 [inline] >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> __sock_sendmsg net/socket.c:= 802 [inline] >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> ____sys_sendmsg+0x972/0x9f0 = net/socket.c:2698 >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> ___sys_sendmsg+0x2a5/0x360 n= et/socket.c:2752 >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> __sys_sendmsg net/socket.c:2= 784 [inline] >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> __do_sys_sendmsg net/socket.= c:2789 [inline] >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> __se_sys_sendmsg net/socket.= c:2787 [inline] >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> __x64_sys_sendmsg+0x1bd/0x2a= 0 net/socket.c:2787 >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> do_syscall_x64 arch/x86/entr= y/syscall_64.c:63 [inline] >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> do_syscall_64+0x15f/0xf80 ar= ch/x86/entry/syscall_64.c:94 >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> entry_SYSCALL_64_after_hwfra= me+0x77/0x7f >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> The buggy address belongs to = the object at ffff88816e172d80 >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> which belongs to the cache s= kbuff_small_head of size 704 >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> The buggy address is located = 0 bytes inside of >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> freed 704-byte region [ffff8= 8816e172d80, ffff88816e173040) >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> The buggy address belongs to = the physical page: >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> page: refcount:0 mapcount:0 m= apping:0000000000000000 index:0x0 pfn:0x16e170 >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> head: order:2 mapcount:0 enti= re_mapcount:0 nr_pages_mapped:0 pincount:0 >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> flags: 0x57ff00000000040(head= |node=3D1|zone=3D2|lastcpupid=3D0x7ff) >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> page_type: f5(slab) >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> raw: 057ff00000000040 ffff888= 160415140 dead000000000100 dead000000000122 >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> raw: 0000000000000000 0000000= 800120012 00000000f5000000 0000000000000000 >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> head: 057ff00000000040 ffff88= 8160415140 dead000000000100 dead000000000122 >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> head: 0000000000000000 000000= 0800120012 00000000f5000000 0000000000000000 >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> head: 057ff00000000002 ffffff= ffffffff01 00000000ffffffff 00000000ffffffff >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> head: ffffffffffffffff 000000= 0000000000 00000000ffffffff 0000000000000004 >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> page dumped because: kasan: b= ad access detected >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> page_owner tracks the page as= allocated >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> page last allocated via order= 2, migratetype Unmovable, gfp_mask 0xd2820(GFP_ATOMIC|__GFP_NOWARN|__GFP_N= ORETRY|__GFP_COMP|__GFP_NOMEMALLOC), pid 5530, tgid 5530 (sshd), ts 4773547= 8218, free_ts 34702748767 >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> set_page_owner include/linux= /page_owner.h:32 [inline] >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> post_alloc_hook+0x22d/0x280 = mm/page_alloc.c:1858 >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> prep_new_page mm/page_alloc.= c:1866 [inline] >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> get_page_from_freelist+0x24b= a/0x2540 mm/page_alloc.c:3946 >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> __alloc_frozen_pages_noprof+= 0x18d/0x380 mm/page_alloc.c:5226 >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> alloc_slab_page mm/slub.c:32= 78 [inline] >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> allocate_slab+0x77/0x660 mm/= slub.c:3467 >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> new_slab mm/slub.c:3525 [inl= ine] >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> refill_objects+0x339/0x3d0 m= m/slub.c:7271 >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> refill_sheaf mm/slub.c:2816 = [inline] >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> __pcs_replace_empty_main+0x3= 21/0x720 mm/slub.c:4651 >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> alloc_from_pcs mm/slub.c:474= 9 [inline] >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> slab_alloc_node mm/slub.c:48= 83 [inline] >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> kmem_cache_alloc_node_noprof= +0x441/0x690 mm/slub.c:4950 >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> kmalloc_reserve net/core/skb= uff.c:613 [inline] >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> __alloc_skb+0x27d/0x7d0 net/= core/skbuff.c:713 >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> alloc_skb include/linux/skbu= ff.h:1383 [inline] >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> __tcp_send_ack+0xae/0x4f0 ne= t/ipv4/tcp_output.c:4473 >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> tcp_cleanup_rbuf net/ipv4/tc= p.c:1612 [inline] >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> tcp_recvmsg_locked+0x2dfa/0x= 3720 net/ipv4/tcp.c:2916 >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> tcp_recvmsg+0x205/0x7e0 net/= ipv4/tcp.c:2945 >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> sock_recvmsg_nosec net/socke= t.c:1137 [inline] >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> sock_recvmsg+0x155/0x1b0 net= /socket.c:1159 >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> sock_read_iter+0x251/0x320 n= et/socket.c:1229 >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> new_sync_read fs/read_write.= c:493 [inline] >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> vfs_read+0x582/0xa70 fs/read= _write.c:574 >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> ksys_read+0x150/0x270 fs/rea= d_write.c:717 >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> do_syscall_x64 arch/x86/entr= y/syscall_64.c:63 [inline] >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> do_syscall_64+0x15f/0xf80 ar= ch/x86/entry/syscall_64.c:94 >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> page last free pid 5059 tgid = 5059 stack trace: >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> reset_page_owner include/lin= ux/page_owner.h:25 [inline] >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> __free_pages_prepare mm/page= _alloc.c:1402 [inline] >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> __free_frozen_pages+0xbc7/0x= d30 mm/page_alloc.c:2943 >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> __slab_free+0x274/0x2c0 mm/s= lub.c:5612 >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> qlink_free mm/kasan/quaranti= ne.c:163 [inline] >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> qlist_free_all+0x99/0x100 mm= /kasan/quarantine.c:179 >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> kasan_quarantine_reduce+0x14= 8/0x160 mm/kasan/quarantine.c:286 >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> __kasan_slab_alloc+0x22/0x80= mm/kasan/common.c:350 >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> kasan_slab_alloc include/lin= ux/kasan.h:253 [inline] >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> slab_post_alloc_hook mm/slub= .c:4569 [inline] >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> slab_alloc_node mm/slub.c:48= 98 [inline] >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> __do_kmalloc_node mm/slub.c:= 5294 [inline] >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> __kvmalloc_node_noprof+0x4d7= /0x8a0 mm/slub.c:6832 >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> seq_buf_alloc fs/seq_file.c:= 39 [inline] >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> seq_read_iter+0x202/0xe10 fs= /seq_file.c:211 >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> new_sync_read fs/read_write.= c:493 [inline] >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> vfs_read+0x582/0xa70 fs/read= _write.c:574 >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> ksys_read+0x150/0x270 fs/rea= d_write.c:717 >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> do_syscall_x64 arch/x86/entr= y/syscall_64.c:63 [inline] >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> do_syscall_64+0x15f/0xf80 ar= ch/x86/entry/syscall_64.c:94 >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> entry_SYSCALL_64_after_hwfra= me+0x77/0x7f >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> Memory state around the buggy= address: >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> ffff88816e172c80: fb fb fb f= b fb fb fb fb fc fc fc fc fc fc fc fc >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> ffff88816e172d00: fc fc fc f= c fc fc fc fc fc fc fc fc fc fc fc fc >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> >ffff88816e172d80: fa fb fb f= b fb fb fb fb fb fb fb fb fb fb fb fb >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> ^ >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> ffff88816e172e00: fb fb fb f= b fb fb fb fb fb fb fb fb fb fb fb fb >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> ffff88816e172e80: fb fb fb f= b fb fb fb fb fb fb fb fb fb fb fb fb >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> =3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> *** >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> KASAN: slab-use-after-free Re= ad in xfrm_dump_sa_done >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> tree: net >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> URL: https://kernel.goo= glesource.com/pub/scm/linux/kernel/git/netdev/net.git >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> base: 18014147d3ee7831dc= e53fe65d7fc8d428b02552 >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> arch: amd64 >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> compiler: Debian clang versi= on 21.1.8 (++20251221033036+2078da43e25a-1~exp1~20251221153213.50), Debian = LLD 21.1.8 >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> config: https://ci.syzbot.= org/builds/90c5185d-0dad-4c34-a563-4253ebb12eb2/config >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> syz repro: https://ci.syzbot.= org/findings/53579ff8-1479-4e0c-ae08-2f1ea756ee1b/syz_repro >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> =3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> BUG: KASAN: slab-use-after-fr= ee in xfrm_dump_sa_done+0x54/0xd0 net/xfrm/xfrm_user.c:1491 >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> Read of size 8 at addr ffff88= 8167305398 by task syz.0.17/5812 >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> CPU: 1 UID: 0 PID: 5812 Comm:= syz.0.17 Not tainted syzkaller #0 PREEMPT(full) >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> Hardware name: QEMU Standard = PC (Q35 + ICH9, 2009), BIOS 1.16.2-debian-1.16.2-1 04/01/2014 >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> Call Trace: >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> dump_stack_lvl+0xe8/0x150 li= b/dump_stack.c:120 >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> print_address_description+0x= 55/0x1e0 mm/kasan/report.c:378 >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> print_report+0x58/0x70 mm/ka= san/report.c:482 >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> kasan_report+0x117/0x150 mm/= kasan/report.c:595 >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> xfrm_dump_sa_done+0x54/0xd0 = net/xfrm/xfrm_user.c:1491 >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> netlink_release+0x12c8/0x1ad= 0 net/netlink/af_netlink.c:768 >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> __sock_release net/socket.c:= 722 [inline] >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> sock_close+0xc3/0x240 net/so= cket.c:1514 >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> __fput+0x44f/0xa60 fs/file_t= able.c:510 >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> task_work_run+0x1d9/0x270 ke= rnel/task_work.c:233 >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> resume_user_mode_work includ= e/linux/resume_user_mode.h:50 [inline] >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> __exit_to_user_mode_loop ker= nel/entry/common.c:67 [inline] >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> exit_to_user_mode_loop+0xf3/= 0x4d0 kernel/entry/common.c:98 >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> __exit_to_user_mode_prepare = include/linux/irq-entry-common.h:207 [inline] >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> syscall_exit_to_user_mode_pr= epare include/linux/irq-entry-common.h:230 [inline] >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> syscall_exit_to_user_mode in= clude/linux/entry-common.h:318 [inline] >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> do_syscall_64+0x33e/0xf80 ar= ch/x86/entry/syscall_64.c:100 >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> entry_SYSCALL_64_after_hwfra= me+0x77/0x7f >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> RIP: 0033:0x7fe50bf9ce59 >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> Code: ff c3 66 2e 0f 1f 84 00= 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d= 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff = ff f7 d8 64 89 01 48 >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> RSP: 002b:00007fff8a02cc38 EF= LAGS: 00000246 ORIG_RAX: 00000000000001b4 >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> RAX: 0000000000000000 RBX: 00= 007fe50c217da0 RCX: 00007fe50bf9ce59 >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> RDX: 0000000000000000 RSI: 00= 0000000000001e RDI: 0000000000000003 >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> RBP: 00007fe50c217da0 R08: 00= 007fe50c216038 R09: 0000000000000000 >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> R10: 000000000003fdd4 R11: 00= 00000000000246 R12: 0000000000010018 >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> R13: 00007fe50c215fac R14: 00= 007fe50c215fa8 R15: 00007fe50c215fa0 >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> Allocated by task 5813: >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> kasan_save_stack mm/kasan/co= mmon.c:57 [inline] >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> kasan_save_track+0x3e/0x80 m= m/kasan/common.c:78 >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> unpoison_slab_object mm/kasa= n/common.c:340 [inline] >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> __kasan_slab_alloc+0x6c/0x80= mm/kasan/common.c:366 >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> kasan_slab_alloc include/lin= ux/kasan.h:253 [inline] >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> slab_post_alloc_hook mm/slub= .c:4569 [inline] >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> slab_alloc_node mm/slub.c:48= 98 [inline] >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> kmem_cache_alloc_node_noprof= +0x384/0x690 mm/slub.c:4950 >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> __alloc_skb+0x1d0/0x7d0 net/= core/skbuff.c:702 >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> netlink_sendmsg+0x5d4/0xb40 = net/netlink/af_netlink.c:1869 >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> sock_sendmsg_nosec net/socke= t.c:787 [inline] >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> __sock_sendmsg net/socket.c:= 802 [inline] >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> ____sys_sendmsg+0x972/0x9f0 = net/socket.c:2698 >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> ___sys_sendmsg+0x2a5/0x360 n= et/socket.c:2752 >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> __sys_sendmsg net/socket.c:2= 784 [inline] >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> __do_sys_sendmsg net/socket.= c:2789 [inline] >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> __se_sys_sendmsg net/socket.= c:2787 [inline] >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> __x64_sys_sendmsg+0x1bd/0x2a= 0 net/socket.c:2787 >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> do_syscall_x64 arch/x86/entr= y/syscall_64.c:63 [inline] >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> do_syscall_64+0x15f/0xf80 ar= ch/x86/entry/syscall_64.c:94 >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> entry_SYSCALL_64_after_hwfra= me+0x77/0x7f >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> Freed by task 5813: >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> kasan_save_stack mm/kasan/co= mmon.c:57 [inline] >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> kasan_save_track+0x3e/0x80 m= m/kasan/common.c:78 >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> kasan_save_free_info+0x46/0x= 50 mm/kasan/generic.c:584 >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> poison_slab_object mm/kasan/= common.c:253 [inline] >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> __kasan_slab_free+0x5c/0x80 = mm/kasan/common.c:285 >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> kasan_slab_free include/linu= x/kasan.h:235 [inline] >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> slab_free_hook mm/slub.c:268= 9 [inline] >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> slab_free mm/slub.c:6250 [in= line] >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> kmem_cache_free+0x182/0x650 = mm/slub.c:6377 >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> netlink_unicast_kernel net/n= etlink/af_netlink.c:1319 [inline] >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> netlink_unicast+0x764/0x8e0 = net/netlink/af_netlink.c:1344 >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> netlink_sendmsg+0x813/0xb40 = net/netlink/af_netlink.c:1894 >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> sock_sendmsg_nosec net/socke= t.c:787 [inline] >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> __sock_sendmsg net/socket.c:= 802 [inline] >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> ____sys_sendmsg+0x972/0x9f0 = net/socket.c:2698 >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> ___sys_sendmsg+0x2a5/0x360 n= et/socket.c:2752 >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> __sys_sendmsg net/socket.c:2= 784 [inline] >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> __do_sys_sendmsg net/socket.= c:2789 [inline] >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> __se_sys_sendmsg net/socket.= c:2787 [inline] >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> __x64_sys_sendmsg+0x1bd/0x2a= 0 net/socket.c:2787 >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> do_syscall_x64 arch/x86/entr= y/syscall_64.c:63 [inline] >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> do_syscall_64+0x15f/0xf80 ar= ch/x86/entry/syscall_64.c:94 >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> entry_SYSCALL_64_after_hwfra= me+0x77/0x7f >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> The buggy address belongs to = the object at ffff888167305380 >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> which belongs to the cache s= kbuff_head_cache of size 240 >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> The buggy address is located = 24 bytes inside of >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> freed 240-byte region [ffff8= 88167305380, ffff888167305470) >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> The buggy address belongs to = the physical page: >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> page: refcount:0 mapcount:0 m= apping:0000000000000000 index:0x0 pfn:0x167304 >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> head: order:1 mapcount:0 enti= re_mapcount:0 nr_pages_mapped:0 pincount:0 >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> flags: 0x57ff00000000040(head= |node=3D1|zone=3D2|lastcpupid=3D0x7ff) >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> page_type: f5(slab) >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> raw: 057ff00000000040 ffff888= 160416dc0 dead000000000100 dead000000000122 >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> raw: 0000000000000000 0000000= 800150015 00000000f5000000 0000000000000000 >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> head: 057ff00000000040 ffff88= 8160416dc0 dead000000000100 dead000000000122 >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> head: 0000000000000000 000000= 0800150015 00000000f5000000 0000000000000000 >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> head: 057ff00000000001 ffffff= ffffffff81 00000000ffffffff 00000000ffffffff >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> head: ffffffffffffffff 000000= 0000000000 00000000ffffffff 0000000000000002 >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> page dumped because: kasan: b= ad access detected >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> page_owner tracks the page as= allocated >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> page last allocated via order= 1, migratetype Unmovable, gfp_mask 0xd20c0(__GFP_IO|__GFP_FS|__GFP_NOWARN|= __GFP_NORETRY|__GFP_COMP|__GFP_NOMEMALLOC), pid 5813, tgid 5812 (syz.0.17),= ts 64859679564, free_ts 63312613640 >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> set_page_owner include/linux= /page_owner.h:32 [inline] >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> post_alloc_hook+0x22d/0x280 = mm/page_alloc.c:1858 >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> prep_new_page mm/page_alloc.= c:1866 [inline] >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> get_page_from_freelist+0x24b= a/0x2540 mm/page_alloc.c:3946 >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> __alloc_frozen_pages_noprof+= 0x18d/0x380 mm/page_alloc.c:5226 >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> alloc_slab_page mm/slub.c:32= 78 [inline] >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> allocate_slab+0x77/0x660 mm/= slub.c:3467 >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> new_slab mm/slub.c:3525 [inl= ine] >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> refill_objects+0x339/0x3d0 m= m/slub.c:7271 >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> refill_sheaf mm/slub.c:2816 = [inline] >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> __pcs_replace_empty_main+0x3= 21/0x720 mm/slub.c:4651 >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> alloc_from_pcs mm/slub.c:474= 9 [inline] >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> slab_alloc_node mm/slub.c:48= 83 [inline] >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> kmem_cache_alloc_node_noprof= +0x441/0x690 mm/slub.c:4950 >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> __alloc_skb+0x1d0/0x7d0 net/= core/skbuff.c:702 >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> netlink_sendmsg+0x5d4/0xb40 = net/netlink/af_netlink.c:1869 >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> sock_sendmsg_nosec net/socke= t.c:787 [inline] >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> __sock_sendmsg net/socket.c:= 802 [inline] >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> ____sys_sendmsg+0x972/0x9f0 = net/socket.c:2698 >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> ___sys_sendmsg+0x2a5/0x360 n= et/socket.c:2752 >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> __sys_sendmsg net/socket.c:2= 784 [inline] >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> __do_sys_sendmsg net/socket.= c:2789 [inline] >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> __se_sys_sendmsg net/socket.= c:2787 [inline] >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> __x64_sys_sendmsg+0x1bd/0x2a= 0 net/socket.c:2787 >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> do_syscall_x64 arch/x86/entr= y/syscall_64.c:63 [inline] >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> do_syscall_64+0x15f/0xf80 ar= ch/x86/entry/syscall_64.c:94 >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> entry_SYSCALL_64_after_hwfra= me+0x77/0x7f >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> page last free pid 15 tgid 15= stack trace: >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> reset_page_owner include/lin= ux/page_owner.h:25 [inline] >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> __free_pages_prepare mm/page= _alloc.c:1402 [inline] >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> __free_frozen_pages+0xbc7/0x= d30 mm/page_alloc.c:2943 >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> rcu_do_batch kernel/rcu/tree= .c:2617 [inline] >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> rcu_core+0x7cd/0x1070 kernel= /rcu/tree.c:2869 >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> handle_softirqs+0x22a/0x840 = kernel/softirq.c:622 >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> run_ksoftirqd+0x36/0x60 kern= el/softirq.c:1076 >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> smpboot_thread_fn+0x541/0xa5= 0 kernel/smpboot.c:160 >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> kthread+0x389/0x470 kernel/k= thread.c:436 >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> ret_from_fork+0x514/0xb70 ar= ch/x86/kernel/process.c:158 >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> ret_from_fork_asm+0x1a/0x30 = arch/x86/entry/entry_64.S:245 >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> Memory state around the buggy= address: >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> ffff888167305280: fb fb fb f= b fb fb fb fb fb fb fb fb fb fb fc fc >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> ffff888167305300: fc fc fc f= c fc fc fc fc fc fc fc fc fc fc fc fc >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> >ffff888167305380: fa fb fb f= b fb fb fb fb fb fb fb fb fb fb fb fb >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> ^ >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> ffff888167305400: fb fb fb f= b fb fb fb fb fb fb fb fb fb fb fc fc >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> ffff888167305480: fc fc fc f= c fc fc fc fc fc fc fc fc fc fc fc fc >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> =3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> *** >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> KASAN: slab-use-after-free Wr= ite in sk_skb_reason_drop >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> tree: net >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> URL: https://kernel.goo= glesource.com/pub/scm/linux/kernel/git/netdev/net.git >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> base: 18014147d3ee7831dc= e53fe65d7fc8d428b02552 >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> arch: amd64 >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> compiler: Debian clang versi= on 21.1.8 (++20251221033036+2078da43e25a-1~exp1~20251221153213.50), Debian = LLD 21.1.8 >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> config: https://ci.syzbot.= org/builds/90c5185d-0dad-4c34-a563-4253ebb12eb2/config >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> syz repro: https://ci.syzbot.= org/findings/c87569e1-d26e-4670-a17b-9f2f64a5af67/syz_repro >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> =3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> BUG: KASAN: slab-use-after-fr= ee in instrument_atomic_read_write include/linux/instrumented.h:112 [inline= ] >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> BUG: KASAN: slab-use-after-fr= ee in atomic_fetch_sub_release include/linux/atomic/atomic-instrumented.h:4= 00 [inline] >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> BUG: KASAN: slab-use-after-fr= ee in __refcount_sub_and_test include/linux/refcount.h:389 [inline] >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> BUG: KASAN: slab-use-after-fr= ee in __refcount_dec_and_test include/linux/refcount.h:432 [inline] >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> BUG: KASAN: slab-use-after-fr= ee in refcount_dec_and_test include/linux/refcount.h:450 [inline] >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> BUG: KASAN: slab-use-after-fr= ee in skb_unref include/linux/skbuff.h:1292 [inline] >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> BUG: KASAN: slab-use-after-fr= ee in __sk_skb_reason_drop net/core/skbuff.c:1212 [inline] >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> BUG: KASAN: slab-use-after-fr= ee in sk_skb_reason_drop+0x37/0x110 net/core/skbuff.c:1240 >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> Write of size 4 at addr ffff8= 881178efee4 by task syz.1.18/5873 >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> CPU: 0 UID: 0 PID: 5873 Comm:= syz.1.18 Not tainted syzkaller #0 PREEMPT(full) >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> Hardware name: QEMU Standard = PC (Q35 + ICH9, 2009), BIOS 1.16.2-debian-1.16.2-1 04/01/2014 >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> Call Trace: >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> dump_stack_lvl+0xe8/0x150 li= b/dump_stack.c:120 >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> print_address_description+0x= 55/0x1e0 mm/kasan/report.c:378 >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> print_report+0x58/0x70 mm/ka= san/report.c:482 >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> kasan_report+0x117/0x150 mm/= kasan/report.c:595 >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> check_region_inline mm/kasan= /generic.c:-1 [inline] >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> kasan_check_range+0x264/0x2c= 0 mm/kasan/generic.c:200 >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> instrument_atomic_read_write= include/linux/instrumented.h:112 [inline] >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> atomic_fetch_sub_release inc= lude/linux/atomic/atomic-instrumented.h:400 [inline] >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> __refcount_sub_and_test incl= ude/linux/refcount.h:389 [inline] >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> __refcount_dec_and_test incl= ude/linux/refcount.h:432 [inline] >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> refcount_dec_and_test includ= e/linux/refcount.h:450 [inline] >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> skb_unref include/linux/skbu= ff.h:1292 [inline] >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> __sk_skb_reason_drop net/cor= e/skbuff.c:1212 [inline] >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> sk_skb_reason_drop+0x37/0x11= 0 net/core/skbuff.c:1240 >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> kfree_skb_reason include/lin= ux/skbuff.h:1322 [inline] >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> kfree_skb include/linux/skbu= ff.h:1331 [inline] >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> netlink_release+0x133a/0x1ad= 0 net/netlink/af_netlink.c:770 >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> __sock_release net/socket.c:= 722 [inline] >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> sock_close+0xc3/0x240 net/so= cket.c:1514 >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> __fput+0x44f/0xa60 fs/file_t= able.c:510 >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> task_work_run+0x1d9/0x270 ke= rnel/task_work.c:233 >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> resume_user_mode_work includ= e/linux/resume_user_mode.h:50 [inline] >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> __exit_to_user_mode_loop ker= nel/entry/common.c:67 [inline] >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> exit_to_user_mode_loop+0xf3/= 0x4d0 kernel/entry/common.c:98 >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> __exit_to_user_mode_prepare = include/linux/irq-entry-common.h:207 [inline] >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> syscall_exit_to_user_mode_pr= epare include/linux/irq-entry-common.h:230 [inline] >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> syscall_exit_to_user_mode in= clude/linux/entry-common.h:318 [inline] >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> do_syscall_64+0x33e/0xf80 ar= ch/x86/entry/syscall_64.c:100 >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> entry_SYSCALL_64_after_hwfra= me+0x77/0x7f >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> RIP: 0033:0x7fd4d139ce59 >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> Code: ff c3 66 2e 0f 1f 84 00= 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d= 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff = ff f7 d8 64 89 01 48 >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> RSP: 002b:00007fff722ecbf8 EF= LAGS: 00000246 ORIG_RAX: 00000000000001b4 >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> RAX: 0000000000000000 RBX: 00= 007fff722ecce0 RCX: 00007fd4d139ce59 >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> RDX: 0000000000000000 RSI: 00= 0000000000001e RDI: 0000000000000003 >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> RBP: 0000000000012825 R08: 00= 00000000000001 R09: 0000000000000000 >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> R10: 0000001b32e20000 R11: 00= 00000000000246 R12: 00007fff722ecd20 >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> R13: 00007fd4d1615fac R14: 00= 00000000012859 R15: 00007fd4d1615fa0 >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> Allocated by task 5874: >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> kasan_save_stack mm/kasan/co= mmon.c:57 [inline] >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> kasan_save_track+0x3e/0x80 m= m/kasan/common.c:78 >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> unpoison_slab_object mm/kasa= n/common.c:340 [inline] >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> __kasan_mempool_unpoison_obj= ect+0xa3/0x130 mm/kasan/common.c:564 >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> kasan_mempool_unpoison_objec= t include/linux/kasan.h:391 [inline] >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> napi_skb_cache_get+0x3c8/0x7= 80 net/core/skbuff.c:306 >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> __alloc_skb+0x19a/0x7d0 net/= core/skbuff.c:696 >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> netlink_sendmsg+0x5d4/0xb40 = net/netlink/af_netlink.c:1869 >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> sock_sendmsg_nosec net/socke= t.c:787 [inline] >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> __sock_sendmsg net/socket.c:= 802 [inline] >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> __sys_sendto+0x672/0x710 net= /socket.c:2265 >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> __do_sys_sendto net/socket.c= :2272 [inline] >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> __se_sys_sendto net/socket.c= :2268 [inline] >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> __x64_sys_sendto+0xde/0x100 = net/socket.c:2268 >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> do_syscall_x64 arch/x86/entr= y/syscall_64.c:63 [inline] >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> do_syscall_64+0x15f/0xf80 ar= ch/x86/entry/syscall_64.c:94 >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> entry_SYSCALL_64_after_hwfra= me+0x77/0x7f >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> Freed by task 5874: >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> kasan_save_stack mm/kasan/co= mmon.c:57 [inline] >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> kasan_save_track+0x3e/0x80 m= m/kasan/common.c:78 >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> kasan_save_free_info+0x46/0x= 50 mm/kasan/generic.c:584 >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> poison_slab_object mm/kasan/= common.c:253 [inline] >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> __kasan_slab_free+0x5c/0x80 = mm/kasan/common.c:285 >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> kasan_slab_free include/linu= x/kasan.h:235 [inline] >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> slab_free_hook mm/slub.c:268= 9 [inline] >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> slab_free mm/slub.c:6250 [in= line] >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> kmem_cache_free+0x182/0x650 = mm/slub.c:6377 >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> netlink_unicast_kernel net/n= etlink/af_netlink.c:1319 [inline] >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> netlink_unicast+0x764/0x8e0 = net/netlink/af_netlink.c:1344 >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> netlink_sendmsg+0x813/0xb40 = net/netlink/af_netlink.c:1894 >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> sock_sendmsg_nosec net/socke= t.c:787 [inline] >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> __sock_sendmsg net/socket.c:= 802 [inline] >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> __sys_sendto+0x672/0x710 net= /socket.c:2265 >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> __do_sys_sendto net/socket.c= :2272 [inline] >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> __se_sys_sendto net/socket.c= :2268 [inline] >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> __x64_sys_sendto+0xde/0x100 = net/socket.c:2268 >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> do_syscall_x64 arch/x86/entr= y/syscall_64.c:63 [inline] >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> do_syscall_64+0x15f/0xf80 ar= ch/x86/entry/syscall_64.c:94 >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> entry_SYSCALL_64_after_hwfra= me+0x77/0x7f >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> The buggy address belongs to = the object at ffff8881178efe00 >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> which belongs to the cache s= kbuff_head_cache of size 240 >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> The buggy address is located = 228 bytes inside of >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> freed 240-byte region [ffff8= 881178efe00, ffff8881178efef0) >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> The buggy address belongs to = the physical page: >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> page: refcount:0 mapcount:0 m= apping:0000000000000000 index:0x0 pfn:0x1178ee >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> head: order:1 mapcount:0 enti= re_mapcount:0 nr_pages_mapped:0 pincount:0 >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> flags: 0x17ff00000000040(head= |node=3D0|zone=3D2|lastcpupid=3D0x7ff) >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> page_type: f5(slab) >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> raw: 017ff00000000040 ffff888= 160416c80 dead000000000122 0000000000000000 >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> raw: 0000000000000000 0000000= 800150015 00000000f5000000 0000000000000000 >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> head: 017ff00000000040 ffff88= 8160416c80 dead000000000122 0000000000000000 >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> head: 0000000000000000 000000= 0800150015 00000000f5000000 0000000000000000 >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> head: 017ff00000000001 ffffff= ffffffff81 00000000ffffffff 00000000ffffffff >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> head: ffffffffffffffff 000000= 0000000000 00000000ffffffff 0000000000000002 >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> page dumped because: kasan: b= ad access detected >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> page_owner tracks the page as= allocated >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> page last allocated via order= 1, migratetype Unmovable, gfp_mask 0xd20c0(__GFP_IO|__GFP_FS|__GFP_NOWARN|= __GFP_NORETRY|__GFP_COMP|__GFP_NOMEMALLOC), pid 5050, tgid 5050 (klogd), ts= 75887265953, free_ts 75876344896 >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> set_page_owner include/linux= /page_owner.h:32 [inline] >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> post_alloc_hook+0x22d/0x280 = mm/page_alloc.c:1858 >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> prep_new_page mm/page_alloc.= c:1866 [inline] >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> get_page_from_freelist+0x24b= a/0x2540 mm/page_alloc.c:3946 >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> __alloc_frozen_pages_noprof+= 0x18d/0x380 mm/page_alloc.c:5226 >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> alloc_slab_page mm/slub.c:32= 78 [inline] >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> allocate_slab+0x77/0x660 mm/= slub.c:3467 >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> new_slab mm/slub.c:3525 [inl= ine] >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> refill_objects+0x339/0x3d0 m= m/slub.c:7271 >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> refill_sheaf mm/slub.c:2816 = [inline] >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> __pcs_replace_empty_main+0x3= 21/0x720 mm/slub.c:4651 >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> alloc_from_pcs mm/slub.c:474= 9 [inline] >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> slab_alloc_node mm/slub.c:48= 83 [inline] >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> kmem_cache_alloc_node_noprof= +0x441/0x690 mm/slub.c:4950 >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> __alloc_skb+0x1d0/0x7d0 net/= core/skbuff.c:702 >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> alloc_skb include/linux/skbu= ff.h:1383 [inline] >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> alloc_skb_with_frags+0xc8/0x= 760 net/core/skbuff.c:6743 >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> sock_alloc_send_pskb+0x878/0= x990 net/core/sock.c:2998 >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> unix_dgram_sendmsg+0x460/0x1= 8d0 net/unix/af_unix.c:2141 >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> sock_sendmsg_nosec net/socke= t.c:787 [inline] >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> __sock_sendmsg net/socket.c:= 802 [inline] >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> __sys_sendto+0x672/0x710 net= /socket.c:2265 >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> __do_sys_sendto net/socket.c= :2272 [inline] >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> __se_sys_sendto net/socket.c= :2268 [inline] >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> __x64_sys_sendto+0xde/0x100 = net/socket.c:2268 >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> do_syscall_x64 arch/x86/entr= y/syscall_64.c:63 [inline] >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> do_syscall_64+0x15f/0xf80 ar= ch/x86/entry/syscall_64.c:94 >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> entry_SYSCALL_64_after_hwfra= me+0x77/0x7f >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> page last free pid 0 tgid 0 s= tack trace: >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> reset_page_owner include/lin= ux/page_owner.h:25 [inline] >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> __free_pages_prepare mm/page= _alloc.c:1402 [inline] >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> __free_frozen_pages+0xbc7/0x= d30 mm/page_alloc.c:2943 >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> rcu_do_batch kernel/rcu/tree= .c:2617 [inline] >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> rcu_core+0x7cd/0x1070 kernel= /rcu/tree.c:2869 >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> handle_softirqs+0x22a/0x840 = kernel/softirq.c:622 >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> __do_softirq kernel/softirq.= c:656 [inline] >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> invoke_softirq kernel/softir= q.c:496 [inline] >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> __irq_exit_rcu+0xca/0x220 ke= rnel/softirq.c:735 >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> irq_exit_rcu+0x9/0x30 kernel= /softirq.c:752 >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> instr_sysvec_apic_timer_inte= rrupt arch/x86/kernel/apic/apic.c:1061 [inline] >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> sysvec_apic_timer_interrupt+= 0xa6/0xc0 arch/x86/kernel/apic/apic.c:1061 >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> asm_sysvec_apic_timer_interr= upt+0x1a/0x20 arch/x86/include/asm/idtentry.h:697 >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> Memory state around the buggy= address: >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> ffff8881178efd80: fc fc fc f= c fc fc fc fc fc fc fc fc fc fc fc fc >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> ffff8881178efe00: fa fb fb f= b fb fb fb fb fb fb fb fb fb fb fb fb >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> >ffff8881178efe80: fb fb fb f= b fb fb fb fb fb fb fb fb fb fb fc fc >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> = ^ >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> ffff8881178eff00: fc fc fc f= c fc fc fc fc fc fc fc fc fc fc fc fc >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> ffff8881178eff80: fc fc fc f= c fc fc fc fc fc fc fc fc fc fc fc fc >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> =3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> *** >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> If these findings have caused= you to resend the series or submit a >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> separate fix, please add the = following tag to your commit message: >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> Tested-by: syzbot@syzkaller= .appspotmail.com >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> --- >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> This report is generated by a= bot. It may contain errors. >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> syzbot ci engineers can be re= ached at syzkaller@googlegroups.com. >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> To test a patch for this bug,= please reply with `#syz test` >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> (should be on a separate line= ). >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> The patch should be attached = to the email. >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> Note: arguments like custom g= it repos and branches are not supported. >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> The email will later be sent = to: >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> [davem@davemloft.net edumazet= @google.com horms@kernel.org kees@kernel.org kuba@kernel.org kuniyu@google.= com linux-kernel@vger.kernel.org netdev@vger.kernel.org pabeni@redhat.com s= table@vger.kernel.org vulab@iscas.ac.cn yangfeng@kylinos.cn] >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> If the report looks fine to y= ou, reply with: >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> #syz upstream >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> If the report is a false posi= tive, reply with >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> #syz invalid >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> -- >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> You received this message bec= ause you are subscribed to the Google Groups "syzkaller-upstream-moderation= " group. >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> To unsubscribe from this grou= p and stop receiving emails from it, send an email to syzkaller-upstream-mo= deration+unsubscribe@googlegroups.com. >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> To view this discussion visit= https://groups.google.com/d/msgid/syzkaller-upstream-moderation/6a185386.9= 9a1ea37.128423.0001.GAE%40google.com. >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> --=20 >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> You received this message becau= se you are subscribed to the Google Groups "syzkaller-upstream-moderation" = group. >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> To unsubscribe from this group = and stop receiving emails from it, send an email to syzkaller-upstream-mode= ration+unsubscribe@googlegroups.com. >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> To view this discussion visit h= ttps://groups.google.com/d/msgid/syzkaller-upstream-moderation/6a18555e.e78= 3d627.6395.0001.GAE%40google.com. >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> I see the command but can't find= the corresponding bug. >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> The email is sent to syzbot+HAS= H@syzkaller.appspotmail.com address >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> but the HASH does not correspond= to any known bug. >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> Please double check the address. >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> --=20 >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> You received this message becaus= e you are subscribed to the Google Groups "syzkaller-upstream-moderation" g= roup. >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> To unsubscribe from this group a= nd stop receiving emails from it, send an email to syzkaller-upstream-moder= ation+unsubscribe@googlegroups.com. >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> To view this discussion visit ht= tps://groups.google.com/d/msgid/syzkaller-upstream-moderation/6a185560.7f45= b5d1.9d2a9.0004.GAE%40google.com. >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> I see the command but can't find = the corresponding bug. >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> The email is sent to syzbot+HASH= @syzkaller.appspotmail.com address >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> but the HASH does not correspond = to any known bug. >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> Please double check the address. >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> I see the command but can't find t= he corresponding bug. >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> The email is sent to syzbot+HASH@= syzkaller.appspotmail.com address >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> but the HASH does not correspond t= o any known bug. >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> Please double check the address. >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> I see the command but can't find th= e corresponding bug. >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> The email is sent to syzbot+HASH@s= yzkaller.appspotmail.com address >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> but the HASH does not correspond to= any known bug. >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> Please double check the address. >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> --=20 >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> You received this message because y= ou are subscribed to the Google Groups "syzkaller-upstream-moderation" grou= p. >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> To unsubscribe from this group and = stop receiving emails from it, send an email to syzkaller-upstream-moderati= on+unsubscribe@googlegroups.com. >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> To view this discussion visit https= ://groups.google.com/d/msgid/syzkaller-upstream-moderation/6a185566.7f45b5d= 1.9d2a9.000b.GAE%40google.com. >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> I see the command but can't find the= corresponding bug. >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> The email is sent to syzbot+HASH@sy= zkaller.appspotmail.com address >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> but the HASH does not correspond to = any known bug. >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> Please double check the address. >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> I see the command but can't find the = corresponding bug. >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> The email is sent to syzbot+HASH@syz= kaller.appspotmail.com address >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> but the HASH does not correspond to a= ny known bug. >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> Please double check the address. >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> I see the command but can't find the c= orresponding bug. >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> The email is sent to syzbot+HASH@syzk= aller.appspotmail.com address >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> but the HASH does not correspond to an= y known bug. >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> Please double check the address. >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> --=20 >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> You received this message because you = are subscribed to the Google Groups "syzkaller-upstream-moderation" group. >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> To unsubscribe from this group and sto= p receiving emails from it, send an email to syzkaller-upstream-moderation+= unsubscribe@googlegroups.com. >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> To view this discussion visit https://= groups.google.com/d/msgid/syzkaller-upstream-moderation/6a18556b.99a1ea37.1= 28423.0014.GAE%40google.com. >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> I see the command but can't find the co= rresponding bug. >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> The email is sent to syzbot+HASH@syzka= ller.appspotmail.com address >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> but the HASH does not correspond to any= known bug. >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> Please double check the address. >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> I see the command but can't find the cor= responding bug. >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> The email is sent to syzbot+HASH@syzkal= ler.appspotmail.com address >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> but the HASH does not correspond to any = known bug. >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> Please double check the address. >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> I see the command but can't find the corr= esponding bug. >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> The email is sent to syzbot+HASH@syzkall= er.appspotmail.com address >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> but the HASH does not correspond to any k= nown bug. >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> Please double check the address. >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> I see the command but can't find the corre= sponding bug. >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> The email is sent to syzbot+HASH@syzkalle= r.appspotmail.com address >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> but the HASH does not correspond to any kn= own bug. >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> Please double check the address. >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> I see the command but can't find the corres= ponding bug. >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> The email is sent to syzbot+HASH@syzkaller= .appspotmail.com address >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> but the HASH does not correspond to any kno= wn bug. >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> Please double check the address. >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>> I see the command but can't find the corresp= onding bug. >>>>>>>>>>>>>>>>>>>>>>>>>>>>>> The email is sent to syzbot+HASH@syzkaller.= appspotmail.com address >>>>>>>>>>>>>>>>>>>>>>>>>>>>>> but the HASH does not correspond to any know= n bug. >>>>>>>>>>>>>>>>>>>>>>>>>>>>>> Please double check the address. >>>>>>>>>>>>>>>>>>>>>>>>>>>>>> >>>>>>>>>>>>>>>>>>>>>>>>>>>>> >>>>>>>>>>>>>>>>>>>>>>>>>>>>> I see the command but can't find the correspo= nding bug. >>>>>>>>>>>>>>>>>>>>>>>>>>>>> The email is sent to syzbot+HASH@syzkaller.a= ppspotmail.com address >>>>>>>>>>>>>>>>>>>>>>>>>>>>> but the HASH does not correspond to any known= bug. >>>>>>>>>>>>>>>>>>>>>>>>>>>>> Please double check the address. >>>>>>>>>>>>>>>>>>>>>>>>>>>>> >>>>>>>>>>>>>>>>>>>>>>>>>>>> >>>>>>>>>>>>>>>>>>>>>>>>>>>> I see the command but can't find the correspon= ding bug. >>>>>>>>>>>>>>>>>>>>>>>>>>>> The email is sent to syzbot+HASH@syzkaller.ap= pspotmail.com address >>>>>>>>>>>>>>>>>>>>>>>>>>>> but the HASH does not correspond to any known = bug. >>>>>>>>>>>>>>>>>>>>>>>>>>>> Please double check the address. >>>>>>>>>>>>>>>>>>>>>>>>>>>> >>>>>>>>>>>>>>>>>>>>>>>>>>> >>>>>>>>>>>>>>>>>>>>>>>>>>> I see the command but can't find the correspond= ing bug. >>>>>>>>>>>>>>>>>>>>>>>>>>> The email is sent to syzbot+HASH@syzkaller.app= spotmail.com address >>>>>>>>>>>>>>>>>>>>>>>>>>> but the HASH does not correspond to any known b= ug. >>>>>>>>>>>>>>>>>>>>>>>>>>> Please double check the address. >>>>>>>>>>>>>>>>>>>>>>>>>>> >>>>>>>>>>>>>>>>>>>>>>>>>> >>>>>>>>>>>>>>>>>>>>>>>>>> I see the command but can't find the correspondi= ng bug. >>>>>>>>>>>>>>>>>>>>>>>>>> The email is sent to syzbot+HASH@syzkaller.apps= potmail.com address >>>>>>>>>>>>>>>>>>>>>>>>>> but the HASH does not correspond to any known bu= g. >>>>>>>>>>>>>>>>>>>>>>>>>> Please double check the address. >>>>>>>>>>>>>>>>>>>>>>>>>> >>>>>>>>>>>>>>>>>>>>>>>>> >>>>>>>>>>>>>>>>>>>>>>>>> I see the command but can't find the correspondin= g bug. >>>>>>>>>>>>>>>>>>>>>>>>> The email is sent to syzbot+HASH@syzkaller.appsp= otmail.com address >>>>>>>>>>>>>>>>>>>>>>>>> but the HASH does not correspond to any known bug= . >>>>>>>>>>>>>>>>>>>>>>>>> Please double check the address. >>>>>>>>>>>>>>>>>>>>>>>>> >>>>>>>>>>>>>>>>>>>>>>>> >>>>>>>>>>>>>>>>>>>>>>>> I see the command but can't find the corresponding= bug. >>>>>>>>>>>>>>>>>>>>>>>> The email is sent to syzbot+HASH@syzkaller.appspo= tmail.com address >>>>>>>>>>>>>>>>>>>>>>>> but the HASH does not correspond to any known bug. >>>>>>>>>>>>>>>>>>>>>>>> Please double check the address. >>>>>>>>>>>>>>>>>>>>>>>> >>>>>>>>>>>>>>>>>>>>>>> >>>>>>>>>>>>>>>>>>>>>>> I see the command but can't find the corresponding = bug. >>>>>>>>>>>>>>>>>>>>>>> The email is sent to syzbot+HASH@syzkaller.appspot= mail.com address >>>>>>>>>>>>>>>>>>>>>>> but the HASH does not correspond to any known bug. >>>>>>>>>>>>>>>>>>>>>>> Please double check the address. >>>>>>>>>>>>>>>>>>>>>>> >>>>>>>>>>>>>>>>>>>>>> >>>>>>>>>>>>>>>>>>>>>> I see the command but can't find the corresponding b= ug. >>>>>>>>>>>>>>>>>>>>>> The email is sent to syzbot+HASH@syzkaller.appspotm= ail.com address >>>>>>>>>>>>>>>>>>>>>> but the HASH does not correspond to any known bug. >>>>>>>>>>>>>>>>>>>>>> Please double check the address. >>>>>>>>>>>>>>>>>>>>>> >>>>>>>>>>>>>>>>>>>>> >>>>>>>>>>>>>>>>>>>>> I see the command but can't find the corresponding bu= g. >>>>>>>>>>>>>>>>>>>>> The email is sent to syzbot+HASH@syzkaller.appspotma= il.com address >>>>>>>>>>>>>>>>>>>>> but the HASH does not correspond to any known bug. >>>>>>>>>>>>>>>>>>>>> Please double check the address. >>>>>>>>>>>>>>>>>>>>> >>>>>>>>>>>>>>>>>>>> >>>>>>>>>>>>>>>>>>>> I see the command but can't find the corresponding bug= . >>>>>>>>>>>>>>>>>>>> The email is sent to syzbot+HASH@syzkaller.appspotmai= l.com address >>>>>>>>>>>>>>>>>>>> but the HASH does not correspond to any known bug. >>>>>>>>>>>>>>>>>>>> Please double check the address. >>>>>>>>>>>>>>>>>>>> >>>>>>>>>>>>>>>>>>> >>>>>>>>>>>>>>>>>>> I see the command but can't find the corresponding bug. >>>>>>>>>>>>>>>>>>> The email is sent to syzbot+HASH@syzkaller.appspotmail= .com address >>>>>>>>>>>>>>>>>>> but the HASH does not correspond to any known bug. >>>>>>>>>>>>>>>>>>> Please double check the address. >>>>>>>>>>>>>>>>>>> >>>>>>>>>>>>>>>>>> >>>>>>>>>>>>>>>>>> I see the command but can't find the corresponding bug. >>>>>>>>>>>>>>>>>> The email is sent to syzbot+HASH@syzkaller.appspotmail.= com address >>>>>>>>>>>>>>>>>> but the HASH does not correspond to any known bug. >>>>>>>>>>>>>>>>>> Please double check the address. >>>>>>>>>>>>>>>>>> >>>>>>>>>>>>>>>>> >>>>>>>>>>>>>>>>> I see the command but can't find the corresponding bug. >>>>>>>>>>>>>>>>> The email is sent to syzbot+HASH@syzkaller.appspotmail.c= om address >>>>>>>>>>>>>>>>> but the HASH does not correspond to any known bug. >>>>>>>>>>>>>>>>> Please double check the address. >>>>>>>>>>>>>>>>> >>>>>>>>>>>>>>>> >>>>>>>>>>>>>>>> I see the command but can't find the corresponding bug. >>>>>>>>>>>>>>>> The email is sent to syzbot+HASH@syzkaller.appspotmail.co= m address >>>>>>>>>>>>>>>> but the HASH does not correspond to any known bug. >>>>>>>>>>>>>>>> Please double check the address. >>>>>>>>>>>>>>>> >>>>>>>>>>>>>>> >>>>>>>>>>>>>>> I see the command but can't find the corresponding bug. >>>>>>>>>>>>>>> The email is sent to syzbot+HASH@syzkaller.appspotmail.com= address >>>>>>>>>>>>>>> but the HASH does not correspond to any known bug. >>>>>>>>>>>>>>> Please double check the address. >>>>>>>>>>>>>>> >>>>>>>>>>>>>> >>>>>>>>>>>>>> I see the command but can't find the corresponding bug. >>>>>>>>>>>>>> The email is sent to syzbot+HASH@syzkaller.appspotmail.com = address >>>>>>>>>>>>>> but the HASH does not correspond to any known bug. >>>>>>>>>>>>>> Please double check the address. >>>>>>>>>>>>>> >>>>>>>>>>>>> >>>>>>>>>>>>> I see the command but can't find the corresponding bug. >>>>>>>>>>>>> The email is sent to syzbot+HASH@syzkaller.appspotmail.com a= ddress >>>>>>>>>>>>> but the HASH does not correspond to any known bug. >>>>>>>>>>>>> Please double check the address. >>>>>>>>>>>>> >>>>>>>>>>>> >>>>>>>>>>>> I see the command but can't find the corresponding bug. >>>>>>>>>>>> The email is sent to syzbot+HASH@syzkaller.appspotmail.com ad= dress >>>>>>>>>>>> but the HASH does not correspond to any known bug. >>>>>>>>>>>> Please double check the address. >>>>>>>>>>>> >>>>>>>>>>> >>>>>>>>>>> I see the command but can't find the corresponding bug. >>>>>>>>>>> The email is sent to syzbot+HASH@syzkaller.appspotmail.com add= ress >>>>>>>>>>> but the HASH does not correspond to any known bug. >>>>>>>>>>> Please double check the address. >>>>>>>>>>> >>>>>>>>>> >>>>>>>>>> I see the command but can't find the corresponding bug. >>>>>>>>>> The email is sent to syzbot+HASH@syzkaller.appspotmail.com addr= ess >>>>>>>>>> but the HASH does not correspond to any known bug. >>>>>>>>>> Please double check the address. >>>>>>>>>> >>>>>>>>> >>>>>>>>> I see the command but can't find the corresponding bug. >>>>>>>>> The email is sent to syzbot+HASH@syzkaller.appspotmail.com addre= ss >>>>>>>>> but the HASH does not correspond to any known bug. >>>>>>>>> Please double check the address. >>>>>>>>> >>>>>>>> >>>>>>>> I see the command but can't find the corresponding bug. >>>>>>>> The email is sent to syzbot+HASH@syzkaller.appspotmail.com addres= s >>>>>>>> but the HASH does not correspond to any known bug. >>>>>>>> Please double check the address. >>>>>>>> >>>>>>> >>>>>>> I see the command but can't find the corresponding bug. >>>>>>> The email is sent to syzbot+HASH@syzkaller.appspotmail.com address >>>>>>> but the HASH does not correspond to any known bug. >>>>>>> Please double check the address. >>>>>>> >>>>>> >>>>>> I see the command but can't find the corresponding bug. >>>>>> The email is sent to syzbot+HASH@syzkaller.appspotmail.com address >>>>>> but the HASH does not correspond to any known bug. >>>>>> Please double check the address. >>>>>> >>>>> >>>>> I see the command but can't find the corresponding bug. >>>>> The email is sent to syzbot+HASH@syzkaller.appspotmail.com address >>>>> but the HASH does not correspond to any known bug. >>>>> Please double check the address. >>>>> >>>> >>>> I see the command but can't find the corresponding bug. >>>> The email is sent to syzbot+HASH@syzkaller.appspotmail.com address >>>> but the HASH does not correspond to any known bug. >>>> Please double check the address. >>>> >>> >>> I see the command but can't find the corresponding bug. >>> The email is sent to syzbot+HASH@syzkaller.appspotmail.com address >>> but the HASH does not correspond to any known bug. >>> Please double check the address. >>> >> >> I see the command but can't find the corresponding bug. >> The email is sent to syzbot+HASH@syzkaller.appspotmail.com address >> but the HASH does not correspond to any known bug. >> Please double check the address. >> > > I see the command but can't find the corresponding bug. > The email is sent to syzbot+HASH@syzkaller.appspotmail.com address > but the HASH does not correspond to any known bug. > Please double check the address. > I see the command but can't find the corresponding bug. The email is sent to syzbot+HASH@syzkaller.appspotmail.com address but the HASH does not correspond to any known bug. Please double check the address.