From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-oa1-f69.google.com (mail-oa1-f69.google.com [209.85.160.69]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id BF14A49252D for ; Thu, 28 May 2026 14:54:23 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.160.69 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1779980150; cv=none; b=Khm0Os7DuHfXAIHmYsNI10YH1QPDNVQu0NRc2L7FVPFNfliXOJQ/PxQQrcguh+i2igCywV3nbHnZx1HIGUSqUCzpntDPoj6zrbHJ1cY9aaJH1SphSiAf7QFm/QPeqJiQIFZYQLGIoeBfBg3Hm4vLJDDr2q63VPIMJ1Vy/B6cgP0= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1779980150; c=relaxed/simple; bh=xordz3kRR3nwFr6ce0twbosHkaW51bVrpdA/JzVAz18=; h=MIME-Version:Date:In-Reply-To:Message-ID:Subject:From:To:Cc: Content-Type; b=R6XUFwtLSlNoF0mEZeSzThqo8Z8wyZoZcAh9sRbhquDqu6BpIhQEieaBnxIFWk/FrEo8daK+dbR+HGkQjZYYAmcjZxzNCPxsVto1vaxxTAB0MeHS+nD5P7WmvH+UDIf8mw47Kw1IwvRdvAeBMeKJFWYPPTdC3U6BeOEwR02YG0s= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=fail (p=none dis=none) header.from=syzkaller.appspotmail.com; spf=pass smtp.mailfrom=M3KW2WVRGUFZ5GODRSRYTGD7.apphosting.bounces.google.com; arc=none smtp.client-ip=209.85.160.69 Authentication-Results: smtp.subspace.kernel.org; dmarc=fail (p=none dis=none) header.from=syzkaller.appspotmail.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=M3KW2WVRGUFZ5GODRSRYTGD7.apphosting.bounces.google.com Received: by mail-oa1-f69.google.com with SMTP id 586e51a60fabf-43b9486ea01so6317958fac.0 for ; Thu, 28 May 2026 07:54:23 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20251104; t=1779980047; x=1780584847; h=content-transfer-encoding:cc:to:from:subject:message-id:in-reply-to :date:mime-version:x-gm-message-state:from:to:cc:subject:date :message-id:reply-to; bh=w0ehyF7BVloDQSJwwTbNJO0wbXGv2ZkDZ1C/q84MuUw=; b=cMFeGOYGlwZ+aFeOSJzoAHn/o50UBPVL5RrxGtSSD0WWsXA+HtANTzxine6XTcRx1G hnvJKVwUBE2SK6skb6vf0E8rctjTOKQTsUf8HvTDhx0Rhyv11eHjfyovc68DYykA5MD8 nJmMe28RrlRHRvYDtmADieKLrzUw29hmyygoeYPh+viZvdHBgzPC3d2WfYksQvJ8b8Hh Lv9jyycoeo4hBRvSd/Bk4KLHOTqIXoIuXHFsz7DuBrawH2wXv7x9jaAt7P1ijHwxOAxi uXPlEUydT2Lt9USsXSrYBB0QdLJ1+ophufjwbrtOLC0IwgZnyDdqpCEPocvbyl71C0FV SbyA== X-Forwarded-Encrypted: i=1; AFNElJ/sluJxrKemdc1fPbmu2FmhmvdliEs9XCSRygdkMl7rMntk5yoolwc+mBaGaku6X5qsAq0VfVQ=@lists.linux.dev X-Gm-Message-State: AOJu0YyKFlJ6vf3L72dKZv9z7GfrwpVQpBW5ReZqogqQ3CSGYU3XfBkG gxkCOjZM20gNbaw2Vu2jABtHkCCpj0tCUdyiPEEEAiZgXZCO99p9qbmGxm5OUryhUfIFVhaenHA B/AmrTSw5nAgIOQZa55/+ejlQgTTK+9s2blsUpCj4+HkdOhre5UUrH3NmymU= Precedence: bulk X-Mailing-List: syzbot@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a05:6820:605:b0:69d:eccd:e5a7 with SMTP id 006d021491bc7-69deccde82emr3053859eaf.1.1779979647678; Thu, 28 May 2026 07:47:27 -0700 (PDT) Date: Thu, 28 May 2026 07:47:27 -0700 In-Reply-To: <6a18557f.586c836d.2e3ab2.044b.GAE@google.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <6a18557f.b6d9d2ce.2aaec5.0464.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. Con= tact syzkaller@googlegroups.com. >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> On Thu, May 28, 2026 at 4:39=E2= =80=AFPM syzbot ci >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> wrote: >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> syzbot ci has tested the followi= ng series >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> [v1] netlink: fix skb refcount l= eak when dump start fails >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> https://lore.kernel.org/all/2026= 0528073614.1169858-1-vulab@iscas.ac.cn >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> * [PATCH] netlink: fix skb refco= unt leak when dump start fails >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> and found the following issues: >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> * KASAN: slab-use-after-free Rea= d in nl80211_prepare_wdev_dump >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> * KASAN: slab-use-after-free Rea= d in xfrm_dump_sa_done >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> * KASAN: slab-use-after-free Wri= te in sk_skb_reason_drop >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> Full report is available here: >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> https://ci.syzbot.org/series/8ed= 6f41d-0d02-4f1f-a7be-cc639c2b4cfd >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> *** >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> KASAN: slab-use-after-free Read = in nl80211_prepare_wdev_dump >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> tree: net >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> URL: https://kernel.google= source.com/pub/scm/linux/kernel/git/netdev/net.git >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> base: 18014147d3ee7831dce53= fe65d7fc8d428b02552 >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> arch: amd64 >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> compiler: Debian clang version = 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-free = in __nlmsg_parse include/net/netlink.h:784 [inline] >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> BUG: KASAN: slab-use-after-free = in nlmsg_parse_deprecated include/net/netlink.h:830 [inline] >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> BUG: KASAN: slab-use-after-free = in nl80211_prepare_wdev_dump+0x634/0x680 net/wireless/nl80211.c:1245 >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> Read of size 4 at addr ffff88816= e172d80 by task syz.0.17/5814 >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> CPU: 1 UID: 0 PID: 5814 Comm: sy= z.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 lib/d= ump_stack.c:120 >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> print_address_description+0x55/= 0x1e0 mm/kasan/report.c:378 >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> print_report+0x58/0x70 mm/kasan= /report.c:482 >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> kasan_report+0x117/0x150 mm/kas= an/report.c:595 >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> __nlmsg_parse include/net/netli= nk.h:784 [inline] >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> nlmsg_parse_deprecated include/= net/netlink.h:830 [inline] >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> nl80211_prepare_wdev_dump+0x634= /0x680 net/wireless/nl80211.c:1245 >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> nl80211_dump_station+0x186/0xdb= 0 net/wireless/nl80211.c:8216 >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> genl_dumpit+0x10b/0x1b0 net/net= link/genetlink.c:1026 >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> netlink_dump+0x702/0xe10 net/ne= tlink/af_netlink.c:2325 >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> netlink_recvmsg+0x690/0xa50 net= /netlink/af_netlink.c:1976 >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> sock_recvmsg_nosec net/socket.c= :1137 [inline] >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> sock_recvmsg+0x172/0x1b0 net/so= cket.c:1159 >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> __sys_recvfrom+0x240/0x3c0 net/= socket.c:2315 >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> __do_sys_recvfrom net/socket.c:= 2330 [inline] >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> __se_sys_recvfrom net/socket.c:= 2326 [inline] >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> __x64_sys_recvfrom+0xde/0x100 n= et/socket.c:2326 >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> do_syscall_x64 arch/x86/entry/s= yscall_64.c:63 [inline] >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> do_syscall_64+0x15f/0xf80 arch/= x86/entry/syscall_64.c:94 >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> entry_SYSCALL_64_after_hwframe+= 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 EFLAG= S: 00000246 ORIG_RAX: 000000000000002d >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> RAX: ffffffffffffffda RBX: 00007= fd6424b76c0 RCX: 00007fd64155d68e >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> RDX: 0000000000001000 RSI: 00007= fd6424b6000 RDI: 0000000000000003 >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> RBP: 0000000000000000 R08: 00000= 00000000000 R09: 0000000000000000 >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> R10: 0000000000000000 R11: 00000= 00000000246 R12: 0000000000000003 >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> R13: 00007fd6424b5f58 R14: 00007= fd6424b6000 R15: 0000000000000000 >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> Allocated by task 5813: >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> kasan_save_stack mm/kasan/commo= n.c:57 [inline] >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> kasan_save_track+0x3e/0x80 mm/k= asan/common.c:78 >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> unpoison_slab_object mm/kasan/c= ommon.c:340 [inline] >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> __kasan_slab_alloc+0x6c/0x80 mm= /kasan/common.c:366 >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> kasan_slab_alloc include/linux/= kasan.h:253 [inline] >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> slab_post_alloc_hook mm/slub.c:= 4569 [inline] >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> slab_alloc_node mm/slub.c:4898 = [inline] >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> kmem_cache_alloc_node_noprof+0x= 384/0x690 mm/slub.c:4950 >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> kmalloc_reserve net/core/skbuff= .c:613 [inline] >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> __alloc_skb+0x27d/0x7d0 net/cor= e/skbuff.c:713 >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> netlink_sendmsg+0x5d4/0xb40 net= /netlink/af_netlink.c:1869 >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> sock_sendmsg_nosec net/socket.c= :787 [inline] >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> __sock_sendmsg net/socket.c:802= [inline] >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> ____sys_sendmsg+0x972/0x9f0 net= /socket.c:2698 >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> ___sys_sendmsg+0x2a5/0x360 net/= socket.c:2752 >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> __sys_sendmsg net/socket.c:2784= [inline] >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> __do_sys_sendmsg net/socket.c:2= 789 [inline] >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> __se_sys_sendmsg net/socket.c:2= 787 [inline] >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> __x64_sys_sendmsg+0x1bd/0x2a0 n= et/socket.c:2787 >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> do_syscall_x64 arch/x86/entry/s= yscall_64.c:63 [inline] >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> do_syscall_64+0x15f/0xf80 arch/= x86/entry/syscall_64.c:94 >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> entry_SYSCALL_64_after_hwframe+= 0x77/0x7f >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> Freed by task 5813: >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> kasan_save_stack mm/kasan/commo= n.c:57 [inline] >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> kasan_save_track+0x3e/0x80 mm/k= asan/common.c:78 >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> kasan_save_free_info+0x46/0x50 = mm/kasan/generic.c:584 >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> poison_slab_object mm/kasan/com= mon.c:253 [inline] >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> __kasan_slab_free+0x5c/0x80 mm/= kasan/common.c:285 >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> kasan_slab_free include/linux/k= asan.h:235 [inline] >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> slab_free_hook mm/slub.c:2689 [= inline] >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> slab_free mm/slub.c:6250 [inlin= e] >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> kfree+0x1c5/0x640 mm/slub.c:656= 5 >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> skb_kfree_head net/core/skbuff.= c:1075 [inline] >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> skb_free_head net/core/skbuff.c= :1087 [inline] >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> skb_release_data+0x828/0xa60 ne= t/core/skbuff.c:1114 >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> skb_release_all net/core/skbuff= .c:1189 [inline] >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> __kfree_skb+0x5d/0x210 net/core= /skbuff.c:1203 >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> netlink_unicast_kernel net/netl= ink/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/socket.c= :787 [inline] >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> __sock_sendmsg net/socket.c:802= [inline] >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> ____sys_sendmsg+0x972/0x9f0 net= /socket.c:2698 >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> ___sys_sendmsg+0x2a5/0x360 net/= socket.c:2752 >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> __sys_sendmsg net/socket.c:2784= [inline] >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> __do_sys_sendmsg net/socket.c:2= 789 [inline] >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> __se_sys_sendmsg net/socket.c:2= 787 [inline] >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> __x64_sys_sendmsg+0x1bd/0x2a0 n= et/socket.c:2787 >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> do_syscall_x64 arch/x86/entry/s= yscall_64.c:63 [inline] >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> do_syscall_64+0x15f/0xf80 arch/= x86/entry/syscall_64.c:94 >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> entry_SYSCALL_64_after_hwframe+= 0x77/0x7f >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> The buggy address belongs to the= object at ffff88816e172d80 >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> which belongs to the cache skbu= ff_small_head of size 704 >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> The buggy address is located 0 b= ytes inside of >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> freed 704-byte region [ffff8881= 6e172d80, ffff88816e173040) >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> The buggy address belongs to the= physical page: >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> page: refcount:0 mapcount:0 mapp= ing:0000000000000000 index:0x0 pfn:0x16e170 >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> head: order:2 mapcount:0 entire_= mapcount:0 nr_pages_mapped:0 pincount:0 >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> flags: 0x57ff00000000040(head|no= de=3D1|zone=3D2|lastcpupid=3D0x7ff) >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> page_type: f5(slab) >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> raw: 057ff00000000040 ffff888160= 415140 dead000000000100 dead000000000122 >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> raw: 0000000000000000 0000000800= 120012 00000000f5000000 0000000000000000 >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> head: 057ff00000000040 ffff88816= 0415140 dead000000000100 dead000000000122 >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> head: 0000000000000000 000000080= 0120012 00000000f5000000 0000000000000000 >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> head: 057ff00000000002 fffffffff= fffff01 00000000ffffffff 00000000ffffffff >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> head: ffffffffffffffff 000000000= 0000000 00000000ffffffff 0000000000000004 >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> page dumped because: kasan: bad = access detected >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> page_owner tracks the page as al= located >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> page last allocated via order 2,= migratetype Unmovable, gfp_mask 0xd2820(GFP_ATOMIC|__GFP_NOWARN|__GFP_NORE= TRY|__GFP_COMP|__GFP_NOMEMALLOC), pid 5530, tgid 5530 (sshd), ts 4773547821= 8, free_ts 34702748767 >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> set_page_owner include/linux/pa= ge_owner.h:32 [inline] >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> post_alloc_hook+0x22d/0x280 mm/= page_alloc.c:1858 >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> prep_new_page mm/page_alloc.c:1= 866 [inline] >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> get_page_from_freelist+0x24ba/0= x2540 mm/page_alloc.c:3946 >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> __alloc_frozen_pages_noprof+0x1= 8d/0x380 mm/page_alloc.c:5226 >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> alloc_slab_page mm/slub.c:3278 = [inline] >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> allocate_slab+0x77/0x660 mm/slu= b.c:3467 >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> new_slab mm/slub.c:3525 [inline= ] >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> refill_objects+0x339/0x3d0 mm/s= lub.c:7271 >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> refill_sheaf mm/slub.c:2816 [in= line] >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> __pcs_replace_empty_main+0x321/= 0x720 mm/slub.c:4651 >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> alloc_from_pcs mm/slub.c:4749 [= inline] >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> slab_alloc_node mm/slub.c:4883 = [inline] >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> kmem_cache_alloc_node_noprof+0x= 441/0x690 mm/slub.c:4950 >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> kmalloc_reserve net/core/skbuff= .c:613 [inline] >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> __alloc_skb+0x27d/0x7d0 net/cor= e/skbuff.c:713 >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> alloc_skb include/linux/skbuff.= h:1383 [inline] >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> __tcp_send_ack+0xae/0x4f0 net/i= pv4/tcp_output.c:4473 >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> tcp_cleanup_rbuf net/ipv4/tcp.c= :1612 [inline] >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> tcp_recvmsg_locked+0x2dfa/0x372= 0 net/ipv4/tcp.c:2916 >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> tcp_recvmsg+0x205/0x7e0 net/ipv= 4/tcp.c:2945 >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> sock_recvmsg_nosec net/socket.c= :1137 [inline] >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> sock_recvmsg+0x155/0x1b0 net/so= cket.c:1159 >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> sock_read_iter+0x251/0x320 net/= socket.c:1229 >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> new_sync_read fs/read_write.c:4= 93 [inline] >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> vfs_read+0x582/0xa70 fs/read_wr= ite.c:574 >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> ksys_read+0x150/0x270 fs/read_w= rite.c:717 >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> do_syscall_x64 arch/x86/entry/s= yscall_64.c:63 [inline] >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> do_syscall_64+0x15f/0xf80 arch/= x86/entry/syscall_64.c:94 >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> page last free pid 5059 tgid 505= 9 stack trace: >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> reset_page_owner include/linux/= page_owner.h:25 [inline] >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> __free_pages_prepare mm/page_al= loc.c:1402 [inline] >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> __free_frozen_pages+0xbc7/0xd30= mm/page_alloc.c:2943 >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> __slab_free+0x274/0x2c0 mm/slub= .c:5612 >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> qlink_free mm/kasan/quarantine.= c:163 [inline] >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> qlist_free_all+0x99/0x100 mm/ka= san/quarantine.c:179 >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> kasan_quarantine_reduce+0x148/0= x160 mm/kasan/quarantine.c:286 >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> __kasan_slab_alloc+0x22/0x80 mm= /kasan/common.c:350 >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> kasan_slab_alloc include/linux/= kasan.h:253 [inline] >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> slab_post_alloc_hook mm/slub.c:= 4569 [inline] >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> slab_alloc_node mm/slub.c:4898 = [inline] >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> __do_kmalloc_node mm/slub.c:529= 4 [inline] >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> __kvmalloc_node_noprof+0x4d7/0x= 8a0 mm/slub.c:6832 >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> seq_buf_alloc fs/seq_file.c:39 = [inline] >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> seq_read_iter+0x202/0xe10 fs/se= q_file.c:211 >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> new_sync_read fs/read_write.c:4= 93 [inline] >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> vfs_read+0x582/0xa70 fs/read_wr= ite.c:574 >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> ksys_read+0x150/0x270 fs/read_w= rite.c:717 >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> do_syscall_x64 arch/x86/entry/s= yscall_64.c:63 [inline] >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> do_syscall_64+0x15f/0xf80 arch/= x86/entry/syscall_64.c:94 >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> entry_SYSCALL_64_after_hwframe+= 0x77/0x7f >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> Memory state around the buggy ad= dress: >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> ffff88816e172c80: fb fb fb fb f= b fb fb fb fc fc fc fc fc fc fc fc >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> ffff88816e172d00: fc fc fc fc f= c fc fc fc fc fc fc fc fc fc fc fc >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> >ffff88816e172d80: fa fb fb fb f= b fb fb fb fb fb fb fb fb fb fb fb >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> ^ >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> ffff88816e172e00: fb fb fb fb f= b fb fb fb fb fb fb fb fb fb fb fb >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> ffff88816e172e80: fb fb fb fb f= b 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 Read = in xfrm_dump_sa_done >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> tree: net >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> URL: https://kernel.google= source.com/pub/scm/linux/kernel/git/netdev/net.git >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> base: 18014147d3ee7831dce53= fe65d7fc8d428b02552 >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> arch: amd64 >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> compiler: Debian clang version = 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-free = in xfrm_dump_sa_done+0x54/0xd0 net/xfrm/xfrm_user.c:1491 >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> Read of size 8 at addr ffff88816= 7305398 by task syz.0.17/5812 >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> CPU: 1 UID: 0 PID: 5812 Comm: sy= z.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 lib/d= ump_stack.c:120 >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> print_address_description+0x55/= 0x1e0 mm/kasan/report.c:378 >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> print_report+0x58/0x70 mm/kasan= /report.c:482 >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> kasan_report+0x117/0x150 mm/kas= an/report.c:595 >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> xfrm_dump_sa_done+0x54/0xd0 net= /xfrm/xfrm_user.c:1491 >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> netlink_release+0x12c8/0x1ad0 n= et/netlink/af_netlink.c:768 >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> __sock_release net/socket.c:722= [inline] >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> sock_close+0xc3/0x240 net/socke= t.c:1514 >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> __fput+0x44f/0xa60 fs/file_tabl= e.c:510 >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> task_work_run+0x1d9/0x270 kerne= l/task_work.c:233 >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> resume_user_mode_work include/l= inux/resume_user_mode.h:50 [inline] >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> __exit_to_user_mode_loop kernel= /entry/common.c:67 [inline] >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> exit_to_user_mode_loop+0xf3/0x4= d0 kernel/entry/common.c:98 >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> __exit_to_user_mode_prepare inc= lude/linux/irq-entry-common.h:207 [inline] >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> syscall_exit_to_user_mode_prepa= re include/linux/irq-entry-common.h:230 [inline] >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> syscall_exit_to_user_mode inclu= de/linux/entry-common.h:318 [inline] >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> do_syscall_64+0x33e/0xf80 arch/= x86/entry/syscall_64.c:100 >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> entry_SYSCALL_64_after_hwframe+= 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 EFLAG= S: 00000246 ORIG_RAX: 00000000000001b4 >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> RAX: 0000000000000000 RBX: 00007= fe50c217da0 RCX: 00007fe50bf9ce59 >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> RDX: 0000000000000000 RSI: 00000= 0000000001e RDI: 0000000000000003 >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> RBP: 00007fe50c217da0 R08: 00007= fe50c216038 R09: 0000000000000000 >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> R10: 000000000003fdd4 R11: 00000= 00000000246 R12: 0000000000010018 >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> R13: 00007fe50c215fac R14: 00007= fe50c215fa8 R15: 00007fe50c215fa0 >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> Allocated by task 5813: >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> kasan_save_stack mm/kasan/commo= n.c:57 [inline] >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> kasan_save_track+0x3e/0x80 mm/k= asan/common.c:78 >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> unpoison_slab_object mm/kasan/c= ommon.c:340 [inline] >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> __kasan_slab_alloc+0x6c/0x80 mm= /kasan/common.c:366 >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> kasan_slab_alloc include/linux/= kasan.h:253 [inline] >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> slab_post_alloc_hook mm/slub.c:= 4569 [inline] >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> slab_alloc_node mm/slub.c:4898 = [inline] >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> kmem_cache_alloc_node_noprof+0x= 384/0x690 mm/slub.c:4950 >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> __alloc_skb+0x1d0/0x7d0 net/cor= e/skbuff.c:702 >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> netlink_sendmsg+0x5d4/0xb40 net= /netlink/af_netlink.c:1869 >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> sock_sendmsg_nosec net/socket.c= :787 [inline] >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> __sock_sendmsg net/socket.c:802= [inline] >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> ____sys_sendmsg+0x972/0x9f0 net= /socket.c:2698 >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> ___sys_sendmsg+0x2a5/0x360 net/= socket.c:2752 >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> __sys_sendmsg net/socket.c:2784= [inline] >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> __do_sys_sendmsg net/socket.c:2= 789 [inline] >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> __se_sys_sendmsg net/socket.c:2= 787 [inline] >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> __x64_sys_sendmsg+0x1bd/0x2a0 n= et/socket.c:2787 >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> do_syscall_x64 arch/x86/entry/s= yscall_64.c:63 [inline] >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> do_syscall_64+0x15f/0xf80 arch/= x86/entry/syscall_64.c:94 >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> entry_SYSCALL_64_after_hwframe+= 0x77/0x7f >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> Freed by task 5813: >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> kasan_save_stack mm/kasan/commo= n.c:57 [inline] >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> kasan_save_track+0x3e/0x80 mm/k= asan/common.c:78 >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> kasan_save_free_info+0x46/0x50 = mm/kasan/generic.c:584 >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> poison_slab_object mm/kasan/com= mon.c:253 [inline] >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> __kasan_slab_free+0x5c/0x80 mm/= kasan/common.c:285 >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> kasan_slab_free include/linux/k= asan.h:235 [inline] >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> slab_free_hook mm/slub.c:2689 [= inline] >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> slab_free mm/slub.c:6250 [inlin= e] >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> kmem_cache_free+0x182/0x650 mm/= slub.c:6377 >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> netlink_unicast_kernel net/netl= ink/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/socket.c= :787 [inline] >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> __sock_sendmsg net/socket.c:802= [inline] >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> ____sys_sendmsg+0x972/0x9f0 net= /socket.c:2698 >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> ___sys_sendmsg+0x2a5/0x360 net/= socket.c:2752 >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> __sys_sendmsg net/socket.c:2784= [inline] >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> __do_sys_sendmsg net/socket.c:2= 789 [inline] >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> __se_sys_sendmsg net/socket.c:2= 787 [inline] >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> __x64_sys_sendmsg+0x1bd/0x2a0 n= et/socket.c:2787 >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> do_syscall_x64 arch/x86/entry/s= yscall_64.c:63 [inline] >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> do_syscall_64+0x15f/0xf80 arch/= x86/entry/syscall_64.c:94 >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> entry_SYSCALL_64_after_hwframe+= 0x77/0x7f >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> The buggy address belongs to the= object at ffff888167305380 >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> which belongs to the cache skbu= ff_head_cache of size 240 >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> The buggy address is located 24 = bytes inside of >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> freed 240-byte region [ffff8881= 67305380, ffff888167305470) >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> The buggy address belongs to the= physical page: >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> page: refcount:0 mapcount:0 mapp= ing:0000000000000000 index:0x0 pfn:0x167304 >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> head: order:1 mapcount:0 entire_= mapcount:0 nr_pages_mapped:0 pincount:0 >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> flags: 0x57ff00000000040(head|no= de=3D1|zone=3D2|lastcpupid=3D0x7ff) >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> page_type: f5(slab) >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> raw: 057ff00000000040 ffff888160= 416dc0 dead000000000100 dead000000000122 >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> raw: 0000000000000000 0000000800= 150015 00000000f5000000 0000000000000000 >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> head: 057ff00000000040 ffff88816= 0416dc0 dead000000000100 dead000000000122 >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> head: 0000000000000000 000000080= 0150015 00000000f5000000 0000000000000000 >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> head: 057ff00000000001 fffffffff= fffff81 00000000ffffffff 00000000ffffffff >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> head: ffffffffffffffff 000000000= 0000000 00000000ffffffff 0000000000000002 >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> page dumped because: kasan: bad = access detected >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> page_owner tracks the page as al= located >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> page last allocated via order 1,= migratetype Unmovable, gfp_mask 0xd20c0(__GFP_IO|__GFP_FS|__GFP_NOWARN|__G= FP_NORETRY|__GFP_COMP|__GFP_NOMEMALLOC), pid 5813, tgid 5812 (syz.0.17), ts= 64859679564, free_ts 63312613640 >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> set_page_owner include/linux/pa= ge_owner.h:32 [inline] >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> post_alloc_hook+0x22d/0x280 mm/= page_alloc.c:1858 >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> prep_new_page mm/page_alloc.c:1= 866 [inline] >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> get_page_from_freelist+0x24ba/0= x2540 mm/page_alloc.c:3946 >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> __alloc_frozen_pages_noprof+0x1= 8d/0x380 mm/page_alloc.c:5226 >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> alloc_slab_page mm/slub.c:3278 = [inline] >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> allocate_slab+0x77/0x660 mm/slu= b.c:3467 >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> new_slab mm/slub.c:3525 [inline= ] >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> refill_objects+0x339/0x3d0 mm/s= lub.c:7271 >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> refill_sheaf mm/slub.c:2816 [in= line] >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> __pcs_replace_empty_main+0x321/= 0x720 mm/slub.c:4651 >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> alloc_from_pcs mm/slub.c:4749 [= inline] >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> slab_alloc_node mm/slub.c:4883 = [inline] >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> kmem_cache_alloc_node_noprof+0x= 441/0x690 mm/slub.c:4950 >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> __alloc_skb+0x1d0/0x7d0 net/cor= e/skbuff.c:702 >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> netlink_sendmsg+0x5d4/0xb40 net= /netlink/af_netlink.c:1869 >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> sock_sendmsg_nosec net/socket.c= :787 [inline] >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> __sock_sendmsg net/socket.c:802= [inline] >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> ____sys_sendmsg+0x972/0x9f0 net= /socket.c:2698 >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> ___sys_sendmsg+0x2a5/0x360 net/= socket.c:2752 >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> __sys_sendmsg net/socket.c:2784= [inline] >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> __do_sys_sendmsg net/socket.c:2= 789 [inline] >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> __se_sys_sendmsg net/socket.c:2= 787 [inline] >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> __x64_sys_sendmsg+0x1bd/0x2a0 n= et/socket.c:2787 >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> do_syscall_x64 arch/x86/entry/s= yscall_64.c:63 [inline] >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> do_syscall_64+0x15f/0xf80 arch/= x86/entry/syscall_64.c:94 >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> entry_SYSCALL_64_after_hwframe+= 0x77/0x7f >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> page last free pid 15 tgid 15 st= ack trace: >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> reset_page_owner include/linux/= page_owner.h:25 [inline] >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> __free_pages_prepare mm/page_al= loc.c:1402 [inline] >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> __free_frozen_pages+0xbc7/0xd30= mm/page_alloc.c:2943 >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> rcu_do_batch kernel/rcu/tree.c:= 2617 [inline] >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> rcu_core+0x7cd/0x1070 kernel/rc= u/tree.c:2869 >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> handle_softirqs+0x22a/0x840 ker= nel/softirq.c:622 >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> run_ksoftirqd+0x36/0x60 kernel/= softirq.c:1076 >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> smpboot_thread_fn+0x541/0xa50 k= ernel/smpboot.c:160 >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> kthread+0x389/0x470 kernel/kthr= ead.c:436 >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> ret_from_fork+0x514/0xb70 arch/= x86/kernel/process.c:158 >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> ret_from_fork_asm+0x1a/0x30 arc= h/x86/entry/entry_64.S:245 >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> Memory state around the buggy ad= dress: >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> ffff888167305280: fb fb fb fb f= b fb fb fb fb fb fb fb fb fb fc fc >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> ffff888167305300: fc fc fc fc f= c fc fc fc fc fc fc fc fc fc fc fc >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> >ffff888167305380: fa fb fb fb f= b fb fb fb fb fb fb fb fb fb fb fb >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> ^ >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> ffff888167305400: fb fb fb fb f= b fb fb fb fb fb fb fb fb fb fc fc >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> ffff888167305480: fc fc fc fc f= c 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 Write= in sk_skb_reason_drop >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> tree: net >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> URL: https://kernel.google= source.com/pub/scm/linux/kernel/git/netdev/net.git >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> base: 18014147d3ee7831dce53= fe65d7fc8d428b02552 >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> arch: amd64 >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> compiler: Debian clang version = 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-free = in instrument_atomic_read_write include/linux/instrumented.h:112 [inline] >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> BUG: KASAN: slab-use-after-free = in atomic_fetch_sub_release include/linux/atomic/atomic-instrumented.h:400 = [inline] >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> BUG: KASAN: slab-use-after-free = in __refcount_sub_and_test include/linux/refcount.h:389 [inline] >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> BUG: KASAN: slab-use-after-free = in __refcount_dec_and_test include/linux/refcount.h:432 [inline] >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> BUG: KASAN: slab-use-after-free = in refcount_dec_and_test include/linux/refcount.h:450 [inline] >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> BUG: KASAN: slab-use-after-free = in skb_unref include/linux/skbuff.h:1292 [inline] >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> BUG: KASAN: slab-use-after-free = in __sk_skb_reason_drop net/core/skbuff.c:1212 [inline] >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> BUG: KASAN: slab-use-after-free = in sk_skb_reason_drop+0x37/0x110 net/core/skbuff.c:1240 >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> Write of size 4 at addr ffff8881= 178efee4 by task syz.1.18/5873 >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> CPU: 0 UID: 0 PID: 5873 Comm: sy= z.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 lib/d= ump_stack.c:120 >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> print_address_description+0x55/= 0x1e0 mm/kasan/report.c:378 >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> print_report+0x58/0x70 mm/kasan= /report.c:482 >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> kasan_report+0x117/0x150 mm/kas= an/report.c:595 >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> check_region_inline mm/kasan/ge= neric.c:-1 [inline] >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> kasan_check_range+0x264/0x2c0 m= m/kasan/generic.c:200 >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> instrument_atomic_read_write in= clude/linux/instrumented.h:112 [inline] >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> atomic_fetch_sub_release includ= e/linux/atomic/atomic-instrumented.h:400 [inline] >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> __refcount_sub_and_test include= /linux/refcount.h:389 [inline] >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> __refcount_dec_and_test include= /linux/refcount.h:432 [inline] >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> refcount_dec_and_test include/l= inux/refcount.h:450 [inline] >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> skb_unref include/linux/skbuff.= h:1292 [inline] >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> __sk_skb_reason_drop net/core/s= kbuff.c:1212 [inline] >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> sk_skb_reason_drop+0x37/0x110 n= et/core/skbuff.c:1240 >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> kfree_skb_reason include/linux/= skbuff.h:1322 [inline] >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> kfree_skb include/linux/skbuff.= h:1331 [inline] >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> netlink_release+0x133a/0x1ad0 n= et/netlink/af_netlink.c:770 >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> __sock_release net/socket.c:722= [inline] >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> sock_close+0xc3/0x240 net/socke= t.c:1514 >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> __fput+0x44f/0xa60 fs/file_tabl= e.c:510 >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> task_work_run+0x1d9/0x270 kerne= l/task_work.c:233 >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> resume_user_mode_work include/l= inux/resume_user_mode.h:50 [inline] >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> __exit_to_user_mode_loop kernel= /entry/common.c:67 [inline] >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> exit_to_user_mode_loop+0xf3/0x4= d0 kernel/entry/common.c:98 >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> __exit_to_user_mode_prepare inc= lude/linux/irq-entry-common.h:207 [inline] >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> syscall_exit_to_user_mode_prepa= re include/linux/irq-entry-common.h:230 [inline] >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> syscall_exit_to_user_mode inclu= de/linux/entry-common.h:318 [inline] >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> do_syscall_64+0x33e/0xf80 arch/= x86/entry/syscall_64.c:100 >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> entry_SYSCALL_64_after_hwframe+= 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 EFLAG= S: 00000246 ORIG_RAX: 00000000000001b4 >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> RAX: 0000000000000000 RBX: 00007= fff722ecce0 RCX: 00007fd4d139ce59 >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> RDX: 0000000000000000 RSI: 00000= 0000000001e RDI: 0000000000000003 >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> RBP: 0000000000012825 R08: 00000= 00000000001 R09: 0000000000000000 >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> R10: 0000001b32e20000 R11: 00000= 00000000246 R12: 00007fff722ecd20 >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> R13: 00007fd4d1615fac R14: 00000= 00000012859 R15: 00007fd4d1615fa0 >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> Allocated by task 5874: >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> kasan_save_stack mm/kasan/commo= n.c:57 [inline] >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> kasan_save_track+0x3e/0x80 mm/k= asan/common.c:78 >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> unpoison_slab_object mm/kasan/c= ommon.c:340 [inline] >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> __kasan_mempool_unpoison_object= +0xa3/0x130 mm/kasan/common.c:564 >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> kasan_mempool_unpoison_object i= nclude/linux/kasan.h:391 [inline] >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> napi_skb_cache_get+0x3c8/0x780 = net/core/skbuff.c:306 >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> __alloc_skb+0x19a/0x7d0 net/cor= e/skbuff.c:696 >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> netlink_sendmsg+0x5d4/0xb40 net= /netlink/af_netlink.c:1869 >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> sock_sendmsg_nosec net/socket.c= :787 [inline] >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> __sock_sendmsg net/socket.c:802= [inline] >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> __sys_sendto+0x672/0x710 net/so= cket.c:2265 >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> __do_sys_sendto net/socket.c:22= 72 [inline] >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> __se_sys_sendto net/socket.c:22= 68 [inline] >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> __x64_sys_sendto+0xde/0x100 net= /socket.c:2268 >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> do_syscall_x64 arch/x86/entry/s= yscall_64.c:63 [inline] >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> do_syscall_64+0x15f/0xf80 arch/= x86/entry/syscall_64.c:94 >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> entry_SYSCALL_64_after_hwframe+= 0x77/0x7f >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> Freed by task 5874: >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> kasan_save_stack mm/kasan/commo= n.c:57 [inline] >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> kasan_save_track+0x3e/0x80 mm/k= asan/common.c:78 >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> kasan_save_free_info+0x46/0x50 = mm/kasan/generic.c:584 >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> poison_slab_object mm/kasan/com= mon.c:253 [inline] >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> __kasan_slab_free+0x5c/0x80 mm/= kasan/common.c:285 >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> kasan_slab_free include/linux/k= asan.h:235 [inline] >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> slab_free_hook mm/slub.c:2689 [= inline] >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> slab_free mm/slub.c:6250 [inlin= e] >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> kmem_cache_free+0x182/0x650 mm/= slub.c:6377 >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> netlink_unicast_kernel net/netl= ink/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/socket.c= :787 [inline] >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> __sock_sendmsg net/socket.c:802= [inline] >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> __sys_sendto+0x672/0x710 net/so= cket.c:2265 >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> __do_sys_sendto net/socket.c:22= 72 [inline] >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> __se_sys_sendto net/socket.c:22= 68 [inline] >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> __x64_sys_sendto+0xde/0x100 net= /socket.c:2268 >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> do_syscall_x64 arch/x86/entry/s= yscall_64.c:63 [inline] >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> do_syscall_64+0x15f/0xf80 arch/= x86/entry/syscall_64.c:94 >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> entry_SYSCALL_64_after_hwframe+= 0x77/0x7f >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> The buggy address belongs to the= object at ffff8881178efe00 >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> which belongs to the cache skbu= ff_head_cache of size 240 >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> The buggy address is located 228= bytes inside of >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> freed 240-byte region [ffff8881= 178efe00, ffff8881178efef0) >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> The buggy address belongs to the= physical page: >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> page: refcount:0 mapcount:0 mapp= ing:0000000000000000 index:0x0 pfn:0x1178ee >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> head: order:1 mapcount:0 entire_= mapcount:0 nr_pages_mapped:0 pincount:0 >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> flags: 0x17ff00000000040(head|no= de=3D0|zone=3D2|lastcpupid=3D0x7ff) >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> page_type: f5(slab) >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> raw: 017ff00000000040 ffff888160= 416c80 dead000000000122 0000000000000000 >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> raw: 0000000000000000 0000000800= 150015 00000000f5000000 0000000000000000 >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> head: 017ff00000000040 ffff88816= 0416c80 dead000000000122 0000000000000000 >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> head: 0000000000000000 000000080= 0150015 00000000f5000000 0000000000000000 >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> head: 017ff00000000001 fffffffff= fffff81 00000000ffffffff 00000000ffffffff >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> head: ffffffffffffffff 000000000= 0000000 00000000ffffffff 0000000000000002 >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> page dumped because: kasan: bad = access detected >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> page_owner tracks the page as al= located >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> page last allocated via order 1,= migratetype Unmovable, gfp_mask 0xd20c0(__GFP_IO|__GFP_FS|__GFP_NOWARN|__G= FP_NORETRY|__GFP_COMP|__GFP_NOMEMALLOC), pid 5050, tgid 5050 (klogd), ts 75= 887265953, free_ts 75876344896 >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> set_page_owner include/linux/pa= ge_owner.h:32 [inline] >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> post_alloc_hook+0x22d/0x280 mm/= page_alloc.c:1858 >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> prep_new_page mm/page_alloc.c:1= 866 [inline] >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> get_page_from_freelist+0x24ba/0= x2540 mm/page_alloc.c:3946 >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> __alloc_frozen_pages_noprof+0x1= 8d/0x380 mm/page_alloc.c:5226 >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> alloc_slab_page mm/slub.c:3278 = [inline] >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> allocate_slab+0x77/0x660 mm/slu= b.c:3467 >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> new_slab mm/slub.c:3525 [inline= ] >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> refill_objects+0x339/0x3d0 mm/s= lub.c:7271 >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> refill_sheaf mm/slub.c:2816 [in= line] >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> __pcs_replace_empty_main+0x321/= 0x720 mm/slub.c:4651 >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> alloc_from_pcs mm/slub.c:4749 [= inline] >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> slab_alloc_node mm/slub.c:4883 = [inline] >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> kmem_cache_alloc_node_noprof+0x= 441/0x690 mm/slub.c:4950 >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> __alloc_skb+0x1d0/0x7d0 net/cor= e/skbuff.c:702 >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> alloc_skb include/linux/skbuff.= h:1383 [inline] >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> alloc_skb_with_frags+0xc8/0x760= net/core/skbuff.c:6743 >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> sock_alloc_send_pskb+0x878/0x99= 0 net/core/sock.c:2998 >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> unix_dgram_sendmsg+0x460/0x18d0= net/unix/af_unix.c:2141 >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> sock_sendmsg_nosec net/socket.c= :787 [inline] >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> __sock_sendmsg net/socket.c:802= [inline] >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> __sys_sendto+0x672/0x710 net/so= cket.c:2265 >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> __do_sys_sendto net/socket.c:22= 72 [inline] >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> __se_sys_sendto net/socket.c:22= 68 [inline] >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> __x64_sys_sendto+0xde/0x100 net= /socket.c:2268 >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> do_syscall_x64 arch/x86/entry/s= yscall_64.c:63 [inline] >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> do_syscall_64+0x15f/0xf80 arch/= x86/entry/syscall_64.c:94 >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> entry_SYSCALL_64_after_hwframe+= 0x77/0x7f >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> page last free pid 0 tgid 0 stac= k trace: >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> reset_page_owner include/linux/= page_owner.h:25 [inline] >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> __free_pages_prepare mm/page_al= loc.c:1402 [inline] >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> __free_frozen_pages+0xbc7/0xd30= mm/page_alloc.c:2943 >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> rcu_do_batch kernel/rcu/tree.c:= 2617 [inline] >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> rcu_core+0x7cd/0x1070 kernel/rc= u/tree.c:2869 >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> handle_softirqs+0x22a/0x840 ker= nel/softirq.c:622 >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> __do_softirq kernel/softirq.c:6= 56 [inline] >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> invoke_softirq kernel/softirq.c= :496 [inline] >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> __irq_exit_rcu+0xca/0x220 kerne= l/softirq.c:735 >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> irq_exit_rcu+0x9/0x30 kernel/so= ftirq.c:752 >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> instr_sysvec_apic_timer_interru= pt arch/x86/kernel/apic/apic.c:1061 [inline] >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> sysvec_apic_timer_interrupt+0xa= 6/0xc0 arch/x86/kernel/apic/apic.c:1061 >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> asm_sysvec_apic_timer_interrupt= +0x1a/0x20 arch/x86/include/asm/idtentry.h:697 >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> Memory state around the buggy ad= dress: >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> ffff8881178efd80: fc fc fc fc f= c fc fc fc fc fc fc fc fc fc fc fc >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> ffff8881178efe00: fa fb fb fb f= b fb fb fb fb fb fb fb fb fb fb fb >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> >ffff8881178efe80: fb fb fb fb f= b fb fb fb fb fb fb fb fb fb fc fc >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> = ^ >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> ffff8881178eff00: fc fc fc fc f= c fc fc fc fc fc fc fc fc fc fc fc >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> ffff8881178eff80: fc fc fc fc f= c 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 yo= u to resend the series or submit a >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> separate fix, please add the fol= lowing tag to your commit message: >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> Tested-by: syzbot@syzkaller.ap= pspotmail.com >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> --- >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> This report is generated by a bo= t. It may contain errors. >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> syzbot ci engineers can be reach= ed at syzkaller@googlegroups.com. >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> To test a patch for this bug, pl= ease reply with `#syz test` >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> (should be on a separate line). >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> The patch should be attached to = the email. >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> Note: arguments like custom git = repos and branches are not supported. >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> The email will later be sent to: >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> [davem@davemloft.net edumazet@go= ogle.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 stab= le@vger.kernel.org vulab@iscas.ac.cn yangfeng@kylinos.cn] >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> If the report looks fine to you,= reply with: >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> #syz upstream >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> If the report is a false positiv= e, reply with >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> #syz invalid >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> -- >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> 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/6a185386.99a1= ea37.128423.0001.GAE%40google.com. >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> --=20 >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> You received this message because = you are subscribed to the Google Groups "syzkaller-upstream-moderation" gro= up. >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> To unsubscribe from this group and= stop receiving emails from it, send an email to syzkaller-upstream-moderat= ion+unsubscribe@googlegroups.com. >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> To view this discussion visit http= s://groups.google.com/d/msgid/syzkaller-upstream-moderation/6a18555e.e783d6= 27.6395.0001.GAE%40google.com. >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> 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. >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> 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. >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> --=20 >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> You received this message because you= are subscribed to the Google Groups "syzkaller-upstream-moderation" group. >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> To unsubscribe from this group and st= op 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/6a185562.222db38e.= c0a93.0000.GAE%40google.com. >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> 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. >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> 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.