From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-yw1-f198.google.com (mail-yw1-f198.google.com [209.85.128.198]) (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 6DD503F4DE5 for ; Thu, 28 May 2026 15:16:44 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.128.198 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1779981404; cv=none; b=OOlc3kzVBnGV7djKuL7nFTyEmcD/3YEe8/GcSTDeO9ZUbsTvrlSW7mNKg9+Yr74iyCyV3cDOLSPT1TaZ0DU/msN8VH57BfsgMLJv9F38v7noVmmPNWGZEr/D6UEb3qSg/IzUPsDoH7w4zpMyux3P9BpK/wQc4DEw7Bdfyc3bV5k= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1779981404; c=relaxed/simple; bh=jAWGEGmCpiYAly2y/+MsoREDgQ1niZmlZ9BH0U+B0mI=; h=MIME-Version:Date:In-Reply-To:Message-ID:Subject:From:To:Cc: Content-Type; b=PNQP9Uunel7Y7uDBuGQ0mYEg88GXspGFGWPwkPtE+8yKH1rgrdcdVPmGwe3NVULPXQMHbyZvtjqZPaXLIBvXAwR0w+CHk5UsboQntivM8y7VsD0/uREzTL/7/qA77BKbd6x9z2WgKxXx8CBESUjbmSbRswU48erS+aaXMLCvdgE= 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=209.85.128.198 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-yw1-f198.google.com with SMTP id 00721157ae682-7dc407c707eso16117807b3.1 for ; Thu, 28 May 2026 08:16:44 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20251104; t=1779981403; x=1780586203; 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=fAtd5xaUBX1foTUitsHn/nYd+kPCFbTyZrx9xDsTD7o=; b=Cy5NhSfpPmKONrxmjoV/fSTWY7iAhfibx5ujqvtov0Y2btd1EDL4yLGNSZWPUhm2dp U9aGJiQcOFuLodowrJ11+VKK21xOewvPl7nZUUK3vgCM2RaNqf/0xf4RumzGofPeN3/b PxLUrd85A5OceshfrLdGPrVjj04zK5+Iml3uhgS1zmgxtwZS6c9AsaMBjG7LXw8RizAY 9KVr9mw5qilxd2Q+NaoG3jRCWSwI4fdEtxpYnApg0OGk4A47QrnYwsuexw25kfL9lvwl ayUZ5PUArfbwtmL0STSLEwcSgEojoR1jnto9/Iz+CERvmnPWHUONPk+6cRGFDAX26yGf pQcA== X-Forwarded-Encrypted: i=1; AFNElJ8/4W7tpNAE41G4yeEWJn2kRZdqqw75q2D5J0zpaCCJCkbUn7EdBBI1XGhmKYv1fwiqk0PHhDg=@lists.linux.dev X-Gm-Message-State: AOJu0Yz8abTIZnmXumPcoSad4QdnUPTeIMdf/QBG3BU0cCTPXzEnfcbx NxraEe8YCUVLhZscU+qKyXUjTv01dA+ejW+4TqYHiaCCvAVbYomIwhLJAgyJeNPERCB+84Y3go+ lhnN4nnGbw4SqLPlfx9F1Cam2lzsr4mtLTdk2hhxqTpPf1oA+5/iDokbJcYw= Precedence: bulk X-Mailing-List: syzbot@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a05:6820:1526:b0:68b:bc93:1de with SMTP id 006d021491bc7-69d7ec4b9f9mr14338058eaf.35.1779979629909; Thu, 28 May 2026 07:47:09 -0700 (PDT) Date: Thu, 28 May 2026 07:47:09 -0700 In-Reply-To: <6a18556d.99a1ea37.128423.0050.GAE@google.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <6a18556d.222db38e.c0a93.005b.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@googlegrou= ps.com. >>>>>>>>>>>>>>> >>>>>>>>>>>>>>>> >>>>>>>>>>>>>>>> On Thu, May 28, 2026 at 4:39=E2=80=AFPM syzbot ci >>>>>>>>>>>>>>>> wrot= e: >>>>>>>>>>>>>>>>> >>>>>>>>>>>>>>>>> syzbot ci has tested the following series >>>>>>>>>>>>>>>>> >>>>>>>>>>>>>>>>> [v1] netlink: fix skb refcount leak when dump start fails >>>>>>>>>>>>>>>>> https://lore.kernel.org/all/20260528073614.1169858-1-vula= b@iscas.ac.cn >>>>>>>>>>>>>>>>> * [PATCH] netlink: fix skb refcount leak when dump start = fails >>>>>>>>>>>>>>>>> >>>>>>>>>>>>>>>>> and found the following issues: >>>>>>>>>>>>>>>>> * 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-cc63= 9c2b4cfd >>>>>>>>>>>>>>>>> >>>>>>>>>>>>>>>>> *** >>>>>>>>>>>>>>>>> >>>>>>>>>>>>>>>>> KASAN: slab-use-after-free Read in nl80211_prepare_wdev_d= ump >>>>>>>>>>>>>>>>> >>>>>>>>>>>>>>>>> tree: net >>>>>>>>>>>>>>>>> URL: https://kernel.googlesource.com/pub/scm/linux/= kernel/git/netdev/net.git >>>>>>>>>>>>>>>>> base: 18014147d3ee7831dce53fe65d7fc8d428b02552 >>>>>>>>>>>>>>>>> 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-4c3= 4-a563-4253ebb12eb2/config >>>>>>>>>>>>>>>>> syz repro: https://ci.syzbot.org/findings/0ad9835c-f631-4= 240-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_d= ump+0x634/0x680 net/wireless/nl80211.c:1245 >>>>>>>>>>>>>>>>> Read of size 4 at addr ffff88816e172d80 by task syz.0.17/= 5814 >>>>>>>>>>>>>>>>> >>>>>>>>>>>>>>>>> CPU: 1 UID: 0 PID: 5814 Comm: syz.0.17 Not tainted syzkal= ler #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/dump_stack.c:120 >>>>>>>>>>>>>>>>> print_address_description+0x55/0x1e0 mm/kasan/report.c:3= 78 >>>>>>>>>>>>>>>>> print_report+0x58/0x70 mm/kasan/report.c:482 >>>>>>>>>>>>>>>>> kasan_report+0x117/0x150 mm/kasan/report.c:595 >>>>>>>>>>>>>>>>> __nlmsg_parse include/net/netlink.h:784 [inline] >>>>>>>>>>>>>>>>> nlmsg_parse_deprecated include/net/netlink.h:830 [inline= ] >>>>>>>>>>>>>>>>> nl80211_prepare_wdev_dump+0x634/0x680 net/wireless/nl802= 11.c:1245 >>>>>>>>>>>>>>>>> nl80211_dump_station+0x186/0xdb0 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:197= 6 >>>>>>>>>>>>>>>>> sock_recvmsg_nosec net/socket.c:1137 [inline] >>>>>>>>>>>>>>>>> sock_recvmsg+0x172/0x1b0 net/socket.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 net/socket.c:2326 >>>>>>>>>>>>>>>>> do_syscall_x64 arch/x86/entry/syscall_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 EFLAGS: 00000246 ORIG_RAX: 000= 000000000002d >>>>>>>>>>>>>>>>> RAX: ffffffffffffffda RBX: 00007fd6424b76c0 RCX: 00007fd6= 4155d68e >>>>>>>>>>>>>>>>> RDX: 0000000000001000 RSI: 00007fd6424b6000 RDI: 00000000= 00000003 >>>>>>>>>>>>>>>>> RBP: 0000000000000000 R08: 0000000000000000 R09: 00000000= 00000000 >>>>>>>>>>>>>>>>> R10: 0000000000000000 R11: 0000000000000246 R12: 00000000= 00000003 >>>>>>>>>>>>>>>>> R13: 00007fd6424b5f58 R14: 00007fd6424b6000 R15: 00000000= 00000000 >>>>>>>>>>>>>>>>> >>>>>>>>>>>>>>>>> >>>>>>>>>>>>>>>>> Allocated by task 5813: >>>>>>>>>>>>>>>>> kasan_save_stack mm/kasan/common.c:57 [inline] >>>>>>>>>>>>>>>>> kasan_save_track+0x3e/0x80 mm/kasan/common.c:78 >>>>>>>>>>>>>>>>> unpoison_slab_object mm/kasan/common.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+0x384/0x690 mm/slub.c:4950 >>>>>>>>>>>>>>>>> kmalloc_reserve net/core/skbuff.c:613 [inline] >>>>>>>>>>>>>>>>> __alloc_skb+0x27d/0x7d0 net/core/skbuff.c:713 >>>>>>>>>>>>>>>>> netlink_sendmsg+0x5d4/0xb40 net/netlink/af_netlink.c:186= 9 >>>>>>>>>>>>>>>>> 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:2789 [inline] >>>>>>>>>>>>>>>>> __se_sys_sendmsg net/socket.c:2787 [inline] >>>>>>>>>>>>>>>>> __x64_sys_sendmsg+0x1bd/0x2a0 net/socket.c:2787 >>>>>>>>>>>>>>>>> do_syscall_x64 arch/x86/entry/syscall_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/common.c:57 [inline] >>>>>>>>>>>>>>>>> kasan_save_track+0x3e/0x80 mm/kasan/common.c:78 >>>>>>>>>>>>>>>>> kasan_save_free_info+0x46/0x50 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/linux/kasan.h:235 [inline] >>>>>>>>>>>>>>>>> slab_free_hook mm/slub.c:2689 [inline] >>>>>>>>>>>>>>>>> slab_free mm/slub.c:6250 [inline] >>>>>>>>>>>>>>>>> kfree+0x1c5/0x640 mm/slub.c:6565 >>>>>>>>>>>>>>>>> skb_kfree_head net/core/skbuff.c:1075 [inline] >>>>>>>>>>>>>>>>> skb_free_head net/core/skbuff.c:1087 [inline] >>>>>>>>>>>>>>>>> skb_release_data+0x828/0xa60 net/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/netlink/af_netlink.c:1319 [in= line] >>>>>>>>>>>>>>>>> netlink_unicast+0x764/0x8e0 net/netlink/af_netlink.c:134= 4 >>>>>>>>>>>>>>>>> netlink_sendmsg+0x813/0xb40 net/netlink/af_netlink.c:189= 4 >>>>>>>>>>>>>>>>> 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:2789 [inline] >>>>>>>>>>>>>>>>> __se_sys_sendmsg net/socket.c:2787 [inline] >>>>>>>>>>>>>>>>> __x64_sys_sendmsg+0x1bd/0x2a0 net/socket.c:2787 >>>>>>>>>>>>>>>>> do_syscall_x64 arch/x86/entry/syscall_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 ffff88816e172d= 80 >>>>>>>>>>>>>>>>> which belongs to the cache skbuff_small_head of size 704 >>>>>>>>>>>>>>>>> The buggy address is located 0 bytes inside of >>>>>>>>>>>>>>>>> freed 704-byte region [ffff88816e172d80, ffff88816e17304= 0) >>>>>>>>>>>>>>>>> >>>>>>>>>>>>>>>>> The buggy address belongs to the physical page: >>>>>>>>>>>>>>>>> page: refcount:0 mapcount:0 mapping:0000000000000000 inde= x:0x0 pfn:0x16e170 >>>>>>>>>>>>>>>>> head: order:2 mapcount:0 entire_mapcount:0 nr_pages_mappe= d:0 pincount:0 >>>>>>>>>>>>>>>>> flags: 0x57ff00000000040(head|node=3D1|zone=3D2|lastcpupi= d=3D0x7ff) >>>>>>>>>>>>>>>>> page_type: f5(slab) >>>>>>>>>>>>>>>>> raw: 057ff00000000040 ffff888160415140 dead000000000100 d= ead000000000122 >>>>>>>>>>>>>>>>> raw: 0000000000000000 0000000800120012 00000000f5000000 0= 000000000000000 >>>>>>>>>>>>>>>>> head: 057ff00000000040 ffff888160415140 dead000000000100 = dead000000000122 >>>>>>>>>>>>>>>>> head: 0000000000000000 0000000800120012 00000000f5000000 = 0000000000000000 >>>>>>>>>>>>>>>>> head: 057ff00000000002 ffffffffffffff01 00000000ffffffff = 00000000ffffffff >>>>>>>>>>>>>>>>> head: ffffffffffffffff 0000000000000000 00000000ffffffff = 0000000000000004 >>>>>>>>>>>>>>>>> page dumped because: kasan: bad access detected >>>>>>>>>>>>>>>>> page_owner tracks the page as allocated >>>>>>>>>>>>>>>>> page last allocated via order 2, migratetype Unmovable, g= fp_mask 0xd2820(GFP_ATOMIC|__GFP_NOWARN|__GFP_NORETRY|__GFP_COMP|__GFP_NOME= MALLOC), pid 5530, tgid 5530 (sshd), ts 47735478218, 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+0x24ba/0x2540 mm/page_alloc.c:394= 6 >>>>>>>>>>>>>>>>> __alloc_frozen_pages_noprof+0x18d/0x380 mm/page_alloc.c:= 5226 >>>>>>>>>>>>>>>>> alloc_slab_page mm/slub.c:3278 [inline] >>>>>>>>>>>>>>>>> allocate_slab+0x77/0x660 mm/slub.c:3467 >>>>>>>>>>>>>>>>> new_slab mm/slub.c:3525 [inline] >>>>>>>>>>>>>>>>> refill_objects+0x339/0x3d0 mm/slub.c:7271 >>>>>>>>>>>>>>>>> refill_sheaf mm/slub.c:2816 [inline] >>>>>>>>>>>>>>>>> __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+0x441/0x690 mm/slub.c:4950 >>>>>>>>>>>>>>>>> kmalloc_reserve net/core/skbuff.c:613 [inline] >>>>>>>>>>>>>>>>> __alloc_skb+0x27d/0x7d0 net/core/skbuff.c:713 >>>>>>>>>>>>>>>>> alloc_skb include/linux/skbuff.h:1383 [inline] >>>>>>>>>>>>>>>>> __tcp_send_ack+0xae/0x4f0 net/ipv4/tcp_output.c:4473 >>>>>>>>>>>>>>>>> tcp_cleanup_rbuf net/ipv4/tcp.c:1612 [inline] >>>>>>>>>>>>>>>>> tcp_recvmsg_locked+0x2dfa/0x3720 net/ipv4/tcp.c:2916 >>>>>>>>>>>>>>>>> tcp_recvmsg+0x205/0x7e0 net/ipv4/tcp.c:2945 >>>>>>>>>>>>>>>>> sock_recvmsg_nosec net/socket.c:1137 [inline] >>>>>>>>>>>>>>>>> sock_recvmsg+0x155/0x1b0 net/socket.c:1159 >>>>>>>>>>>>>>>>> sock_read_iter+0x251/0x320 net/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/read_write.c:717 >>>>>>>>>>>>>>>>> do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] >>>>>>>>>>>>>>>>> do_syscall_64+0x15f/0xf80 arch/x86/entry/syscall_64.c:94 >>>>>>>>>>>>>>>>> page last free pid 5059 tgid 5059 stack trace: >>>>>>>>>>>>>>>>> reset_page_owner include/linux/page_owner.h:25 [inline] >>>>>>>>>>>>>>>>> __free_pages_prepare mm/page_alloc.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/kasan/quarantine.c:179 >>>>>>>>>>>>>>>>> kasan_quarantine_reduce+0x148/0x160 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: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/read_write.c:717 >>>>>>>>>>>>>>>>> do_syscall_x64 arch/x86/entry/syscall_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 address: >>>>>>>>>>>>>>>>> ffff88816e172c80: fb fb fb fb fb fb fb fb fc fc fc fc fc= fc fc fc >>>>>>>>>>>>>>>>> ffff88816e172d00: fc fc fc fc fc fc fc fc fc fc fc fc fc= fc fc fc >>>>>>>>>>>>>>>>> >ffff88816e172d80: fa fb fb fb fb fb fb fb fb fb fb fb fb= fb fb fb >>>>>>>>>>>>>>>>> ^ >>>>>>>>>>>>>>>>> ffff88816e172e00: fb fb fb fb fb fb fb fb fb fb fb fb fb= fb fb fb >>>>>>>>>>>>>>>>> ffff88816e172e80: fb fb fb fb 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 Read in xfrm_dump_sa_done >>>>>>>>>>>>>>>>> >>>>>>>>>>>>>>>>> tree: net >>>>>>>>>>>>>>>>> URL: https://kernel.googlesource.com/pub/scm/linux/= kernel/git/netdev/net.git >>>>>>>>>>>>>>>>> base: 18014147d3ee7831dce53fe65d7fc8d428b02552 >>>>>>>>>>>>>>>>> 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-4c3= 4-a563-4253ebb12eb2/config >>>>>>>>>>>>>>>>> syz repro: https://ci.syzbot.org/findings/53579ff8-1479-4= e0c-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 ffff888167305398 by task syz.0.17/= 5812 >>>>>>>>>>>>>>>>> >>>>>>>>>>>>>>>>> CPU: 1 UID: 0 PID: 5812 Comm: syz.0.17 Not tainted syzkal= ler #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/dump_stack.c:120 >>>>>>>>>>>>>>>>> print_address_description+0x55/0x1e0 mm/kasan/report.c:3= 78 >>>>>>>>>>>>>>>>> print_report+0x58/0x70 mm/kasan/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+0x12c8/0x1ad0 net/netlink/af_netlink.c:7= 68 >>>>>>>>>>>>>>>>> __sock_release net/socket.c:722 [inline] >>>>>>>>>>>>>>>>> sock_close+0xc3/0x240 net/socket.c:1514 >>>>>>>>>>>>>>>>> __fput+0x44f/0xa60 fs/file_table.c:510 >>>>>>>>>>>>>>>>> task_work_run+0x1d9/0x270 kernel/task_work.c:233 >>>>>>>>>>>>>>>>> resume_user_mode_work include/linux/resume_user_mode.h:5= 0 [inline] >>>>>>>>>>>>>>>>> __exit_to_user_mode_loop kernel/entry/common.c:67 [inlin= e] >>>>>>>>>>>>>>>>> exit_to_user_mode_loop+0xf3/0x4d0 kernel/entry/common.c:= 98 >>>>>>>>>>>>>>>>> __exit_to_user_mode_prepare include/linux/irq-entry-comm= on.h:207 [inline] >>>>>>>>>>>>>>>>> syscall_exit_to_user_mode_prepare include/linux/irq-entr= y-common.h:230 [inline] >>>>>>>>>>>>>>>>> syscall_exit_to_user_mode include/linux/entry-common.h:3= 18 [inline] >>>>>>>>>>>>>>>>> do_syscall_64+0x33e/0xf80 arch/x86/entry/syscall_64.c:10= 0 >>>>>>>>>>>>>>>>> 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 EFLAGS: 00000246 ORIG_RAX: 000= 00000000001b4 >>>>>>>>>>>>>>>>> RAX: 0000000000000000 RBX: 00007fe50c217da0 RCX: 00007fe5= 0bf9ce59 >>>>>>>>>>>>>>>>> RDX: 0000000000000000 RSI: 000000000000001e RDI: 00000000= 00000003 >>>>>>>>>>>>>>>>> RBP: 00007fe50c217da0 R08: 00007fe50c216038 R09: 00000000= 00000000 >>>>>>>>>>>>>>>>> R10: 000000000003fdd4 R11: 0000000000000246 R12: 00000000= 00010018 >>>>>>>>>>>>>>>>> R13: 00007fe50c215fac R14: 00007fe50c215fa8 R15: 00007fe5= 0c215fa0 >>>>>>>>>>>>>>>>> >>>>>>>>>>>>>>>>> >>>>>>>>>>>>>>>>> Allocated by task 5813: >>>>>>>>>>>>>>>>> kasan_save_stack mm/kasan/common.c:57 [inline] >>>>>>>>>>>>>>>>> kasan_save_track+0x3e/0x80 mm/kasan/common.c:78 >>>>>>>>>>>>>>>>> unpoison_slab_object mm/kasan/common.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+0x384/0x690 mm/slub.c:4950 >>>>>>>>>>>>>>>>> __alloc_skb+0x1d0/0x7d0 net/core/skbuff.c:702 >>>>>>>>>>>>>>>>> netlink_sendmsg+0x5d4/0xb40 net/netlink/af_netlink.c:186= 9 >>>>>>>>>>>>>>>>> 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:2789 [inline] >>>>>>>>>>>>>>>>> __se_sys_sendmsg net/socket.c:2787 [inline] >>>>>>>>>>>>>>>>> __x64_sys_sendmsg+0x1bd/0x2a0 net/socket.c:2787 >>>>>>>>>>>>>>>>> do_syscall_x64 arch/x86/entry/syscall_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/common.c:57 [inline] >>>>>>>>>>>>>>>>> kasan_save_track+0x3e/0x80 mm/kasan/common.c:78 >>>>>>>>>>>>>>>>> kasan_save_free_info+0x46/0x50 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/linux/kasan.h:235 [inline] >>>>>>>>>>>>>>>>> slab_free_hook mm/slub.c:2689 [inline] >>>>>>>>>>>>>>>>> slab_free mm/slub.c:6250 [inline] >>>>>>>>>>>>>>>>> kmem_cache_free+0x182/0x650 mm/slub.c:6377 >>>>>>>>>>>>>>>>> netlink_unicast_kernel net/netlink/af_netlink.c:1319 [in= line] >>>>>>>>>>>>>>>>> netlink_unicast+0x764/0x8e0 net/netlink/af_netlink.c:134= 4 >>>>>>>>>>>>>>>>> netlink_sendmsg+0x813/0xb40 net/netlink/af_netlink.c:189= 4 >>>>>>>>>>>>>>>>> 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:2789 [inline] >>>>>>>>>>>>>>>>> __se_sys_sendmsg net/socket.c:2787 [inline] >>>>>>>>>>>>>>>>> __x64_sys_sendmsg+0x1bd/0x2a0 net/socket.c:2787 >>>>>>>>>>>>>>>>> do_syscall_x64 arch/x86/entry/syscall_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 ffff8881673053= 80 >>>>>>>>>>>>>>>>> which belongs to the cache skbuff_head_cache of size 240 >>>>>>>>>>>>>>>>> The buggy address is located 24 bytes inside of >>>>>>>>>>>>>>>>> freed 240-byte region [ffff888167305380, ffff88816730547= 0) >>>>>>>>>>>>>>>>> >>>>>>>>>>>>>>>>> The buggy address belongs to the physical page: >>>>>>>>>>>>>>>>> page: refcount:0 mapcount:0 mapping:0000000000000000 inde= x:0x0 pfn:0x167304 >>>>>>>>>>>>>>>>> head: order:1 mapcount:0 entire_mapcount:0 nr_pages_mappe= d:0 pincount:0 >>>>>>>>>>>>>>>>> flags: 0x57ff00000000040(head|node=3D1|zone=3D2|lastcpupi= d=3D0x7ff) >>>>>>>>>>>>>>>>> page_type: f5(slab) >>>>>>>>>>>>>>>>> raw: 057ff00000000040 ffff888160416dc0 dead000000000100 d= ead000000000122 >>>>>>>>>>>>>>>>> raw: 0000000000000000 0000000800150015 00000000f5000000 0= 000000000000000 >>>>>>>>>>>>>>>>> head: 057ff00000000040 ffff888160416dc0 dead000000000100 = dead000000000122 >>>>>>>>>>>>>>>>> head: 0000000000000000 0000000800150015 00000000f5000000 = 0000000000000000 >>>>>>>>>>>>>>>>> head: 057ff00000000001 ffffffffffffff81 00000000ffffffff = 00000000ffffffff >>>>>>>>>>>>>>>>> head: ffffffffffffffff 0000000000000000 00000000ffffffff = 0000000000000002 >>>>>>>>>>>>>>>>> page dumped because: kasan: bad access detected >>>>>>>>>>>>>>>>> page_owner tracks the page as allocated >>>>>>>>>>>>>>>>> page last allocated via order 1, migratetype Unmovable, g= fp_mask 0xd20c0(__GFP_IO|__GFP_FS|__GFP_NOWARN|__GFP_NORETRY|__GFP_COMP|__G= FP_NOMEMALLOC), pid 5813, tgid 5812 (syz.0.17), ts 64859679564, free_ts 633= 12613640 >>>>>>>>>>>>>>>>> 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+0x24ba/0x2540 mm/page_alloc.c:394= 6 >>>>>>>>>>>>>>>>> __alloc_frozen_pages_noprof+0x18d/0x380 mm/page_alloc.c:= 5226 >>>>>>>>>>>>>>>>> alloc_slab_page mm/slub.c:3278 [inline] >>>>>>>>>>>>>>>>> allocate_slab+0x77/0x660 mm/slub.c:3467 >>>>>>>>>>>>>>>>> new_slab mm/slub.c:3525 [inline] >>>>>>>>>>>>>>>>> refill_objects+0x339/0x3d0 mm/slub.c:7271 >>>>>>>>>>>>>>>>> refill_sheaf mm/slub.c:2816 [inline] >>>>>>>>>>>>>>>>> __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+0x441/0x690 mm/slub.c:4950 >>>>>>>>>>>>>>>>> __alloc_skb+0x1d0/0x7d0 net/core/skbuff.c:702 >>>>>>>>>>>>>>>>> netlink_sendmsg+0x5d4/0xb40 net/netlink/af_netlink.c:186= 9 >>>>>>>>>>>>>>>>> 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:2789 [inline] >>>>>>>>>>>>>>>>> __se_sys_sendmsg net/socket.c:2787 [inline] >>>>>>>>>>>>>>>>> __x64_sys_sendmsg+0x1bd/0x2a0 net/socket.c:2787 >>>>>>>>>>>>>>>>> do_syscall_x64 arch/x86/entry/syscall_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 stack trace: >>>>>>>>>>>>>>>>> reset_page_owner include/linux/page_owner.h:25 [inline] >>>>>>>>>>>>>>>>> __free_pages_prepare mm/page_alloc.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/rcu/tree.c:2869 >>>>>>>>>>>>>>>>> handle_softirqs+0x22a/0x840 kernel/softirq.c:622 >>>>>>>>>>>>>>>>> run_ksoftirqd+0x36/0x60 kernel/softirq.c:1076 >>>>>>>>>>>>>>>>> smpboot_thread_fn+0x541/0xa50 kernel/smpboot.c:160 >>>>>>>>>>>>>>>>> kthread+0x389/0x470 kernel/kthread.c:436 >>>>>>>>>>>>>>>>> ret_from_fork+0x514/0xb70 arch/x86/kernel/process.c:158 >>>>>>>>>>>>>>>>> ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:24= 5 >>>>>>>>>>>>>>>>> >>>>>>>>>>>>>>>>> Memory state around the buggy address: >>>>>>>>>>>>>>>>> ffff888167305280: fb fb fb fb fb fb fb fb fb fb fb fb fb= fb fc fc >>>>>>>>>>>>>>>>> ffff888167305300: fc fc fc fc fc fc fc fc fc fc fc fc fc= fc fc fc >>>>>>>>>>>>>>>>> >ffff888167305380: fa fb fb fb fb fb fb fb fb fb fb fb fb= fb fb fb >>>>>>>>>>>>>>>>> ^ >>>>>>>>>>>>>>>>> ffff888167305400: fb fb fb fb fb fb fb fb fb fb fb fb fb= fb fc fc >>>>>>>>>>>>>>>>> ffff888167305480: fc fc fc fc 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 Write in sk_skb_reason_drop >>>>>>>>>>>>>>>>> >>>>>>>>>>>>>>>>> tree: net >>>>>>>>>>>>>>>>> URL: https://kernel.googlesource.com/pub/scm/linux/= kernel/git/netdev/net.git >>>>>>>>>>>>>>>>> base: 18014147d3ee7831dce53fe65d7fc8d428b02552 >>>>>>>>>>>>>>>>> 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-4c3= 4-a563-4253ebb12eb2/config >>>>>>>>>>>>>>>>> syz repro: https://ci.syzbot.org/findings/c87569e1-d26e-4= 670-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_relea= se include/linux/atomic/atomic-instrumented.h:400 [inline] >>>>>>>>>>>>>>>>> BUG: KASAN: slab-use-after-free in __refcount_sub_and_tes= t include/linux/refcount.h:389 [inline] >>>>>>>>>>>>>>>>> BUG: KASAN: slab-use-after-free in __refcount_dec_and_tes= t 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/linu= x/skbuff.h:1292 [inline] >>>>>>>>>>>>>>>>> BUG: KASAN: slab-use-after-free in __sk_skb_reason_drop n= et/core/skbuff.c:1212 [inline] >>>>>>>>>>>>>>>>> BUG: KASAN: slab-use-after-free in sk_skb_reason_drop+0x3= 7/0x110 net/core/skbuff.c:1240 >>>>>>>>>>>>>>>>> Write of size 4 at addr ffff8881178efee4 by task syz.1.18= /5873 >>>>>>>>>>>>>>>>> >>>>>>>>>>>>>>>>> CPU: 0 UID: 0 PID: 5873 Comm: syz.1.18 Not tainted syzkal= ler #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/dump_stack.c:120 >>>>>>>>>>>>>>>>> print_address_description+0x55/0x1e0 mm/kasan/report.c:3= 78 >>>>>>>>>>>>>>>>> print_report+0x58/0x70 mm/kasan/report.c:482 >>>>>>>>>>>>>>>>> kasan_report+0x117/0x150 mm/kasan/report.c:595 >>>>>>>>>>>>>>>>> check_region_inline mm/kasan/generic.c:-1 [inline] >>>>>>>>>>>>>>>>> kasan_check_range+0x264/0x2c0 mm/kasan/generic.c:200 >>>>>>>>>>>>>>>>> instrument_atomic_read_write include/linux/instrumented.= h:112 [inline] >>>>>>>>>>>>>>>>> atomic_fetch_sub_release include/linux/atomic/atomic-ins= trumented.h:400 [inline] >>>>>>>>>>>>>>>>> __refcount_sub_and_test include/linux/refcount.h:389 [in= line] >>>>>>>>>>>>>>>>> __refcount_dec_and_test include/linux/refcount.h:432 [in= line] >>>>>>>>>>>>>>>>> refcount_dec_and_test include/linux/refcount.h:450 [inli= ne] >>>>>>>>>>>>>>>>> skb_unref include/linux/skbuff.h:1292 [inline] >>>>>>>>>>>>>>>>> __sk_skb_reason_drop net/core/skbuff.c:1212 [inline] >>>>>>>>>>>>>>>>> sk_skb_reason_drop+0x37/0x110 net/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 net/netlink/af_netlink.c:7= 70 >>>>>>>>>>>>>>>>> __sock_release net/socket.c:722 [inline] >>>>>>>>>>>>>>>>> sock_close+0xc3/0x240 net/socket.c:1514 >>>>>>>>>>>>>>>>> __fput+0x44f/0xa60 fs/file_table.c:510 >>>>>>>>>>>>>>>>> task_work_run+0x1d9/0x270 kernel/task_work.c:233 >>>>>>>>>>>>>>>>> resume_user_mode_work include/linux/resume_user_mode.h:5= 0 [inline] >>>>>>>>>>>>>>>>> __exit_to_user_mode_loop kernel/entry/common.c:67 [inlin= e] >>>>>>>>>>>>>>>>> exit_to_user_mode_loop+0xf3/0x4d0 kernel/entry/common.c:= 98 >>>>>>>>>>>>>>>>> __exit_to_user_mode_prepare include/linux/irq-entry-comm= on.h:207 [inline] >>>>>>>>>>>>>>>>> syscall_exit_to_user_mode_prepare include/linux/irq-entr= y-common.h:230 [inline] >>>>>>>>>>>>>>>>> syscall_exit_to_user_mode include/linux/entry-common.h:3= 18 [inline] >>>>>>>>>>>>>>>>> do_syscall_64+0x33e/0xf80 arch/x86/entry/syscall_64.c:10= 0 >>>>>>>>>>>>>>>>> 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 EFLAGS: 00000246 ORIG_RAX: 000= 00000000001b4 >>>>>>>>>>>>>>>>> RAX: 0000000000000000 RBX: 00007fff722ecce0 RCX: 00007fd4= d139ce59 >>>>>>>>>>>>>>>>> RDX: 0000000000000000 RSI: 000000000000001e RDI: 00000000= 00000003 >>>>>>>>>>>>>>>>> RBP: 0000000000012825 R08: 0000000000000001 R09: 00000000= 00000000 >>>>>>>>>>>>>>>>> R10: 0000001b32e20000 R11: 0000000000000246 R12: 00007fff= 722ecd20 >>>>>>>>>>>>>>>>> R13: 00007fd4d1615fac R14: 0000000000012859 R15: 00007fd4= d1615fa0 >>>>>>>>>>>>>>>>> >>>>>>>>>>>>>>>>> >>>>>>>>>>>>>>>>> Allocated by task 5874: >>>>>>>>>>>>>>>>> kasan_save_stack mm/kasan/common.c:57 [inline] >>>>>>>>>>>>>>>>> kasan_save_track+0x3e/0x80 mm/kasan/common.c:78 >>>>>>>>>>>>>>>>> unpoison_slab_object mm/kasan/common.c:340 [inline] >>>>>>>>>>>>>>>>> __kasan_mempool_unpoison_object+0xa3/0x130 mm/kasan/comm= on.c:564 >>>>>>>>>>>>>>>>> kasan_mempool_unpoison_object include/linux/kasan.h:391 = [inline] >>>>>>>>>>>>>>>>> napi_skb_cache_get+0x3c8/0x780 net/core/skbuff.c:306 >>>>>>>>>>>>>>>>> __alloc_skb+0x19a/0x7d0 net/core/skbuff.c:696 >>>>>>>>>>>>>>>>> netlink_sendmsg+0x5d4/0xb40 net/netlink/af_netlink.c:186= 9 >>>>>>>>>>>>>>>>> sock_sendmsg_nosec net/socket.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/entry/syscall_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/common.c:57 [inline] >>>>>>>>>>>>>>>>> kasan_save_track+0x3e/0x80 mm/kasan/common.c:78 >>>>>>>>>>>>>>>>> kasan_save_free_info+0x46/0x50 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/linux/kasan.h:235 [inline] >>>>>>>>>>>>>>>>> slab_free_hook mm/slub.c:2689 [inline] >>>>>>>>>>>>>>>>> slab_free mm/slub.c:6250 [inline] >>>>>>>>>>>>>>>>> kmem_cache_free+0x182/0x650 mm/slub.c:6377 >>>>>>>>>>>>>>>>> netlink_unicast_kernel net/netlink/af_netlink.c:1319 [in= line] >>>>>>>>>>>>>>>>> netlink_unicast+0x764/0x8e0 net/netlink/af_netlink.c:134= 4 >>>>>>>>>>>>>>>>> netlink_sendmsg+0x813/0xb40 net/netlink/af_netlink.c:189= 4 >>>>>>>>>>>>>>>>> sock_sendmsg_nosec net/socket.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/entry/syscall_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 ffff8881178efe= 00 >>>>>>>>>>>>>>>>> which belongs to the cache skbuff_head_cache of size 240 >>>>>>>>>>>>>>>>> The buggy address is located 228 bytes inside of >>>>>>>>>>>>>>>>> freed 240-byte region [ffff8881178efe00, ffff8881178efef= 0) >>>>>>>>>>>>>>>>> >>>>>>>>>>>>>>>>> The buggy address belongs to the physical page: >>>>>>>>>>>>>>>>> page: refcount:0 mapcount:0 mapping:0000000000000000 inde= x:0x0 pfn:0x1178ee >>>>>>>>>>>>>>>>> head: order:1 mapcount:0 entire_mapcount:0 nr_pages_mappe= d:0 pincount:0 >>>>>>>>>>>>>>>>> flags: 0x17ff00000000040(head|node=3D0|zone=3D2|lastcpupi= d=3D0x7ff) >>>>>>>>>>>>>>>>> page_type: f5(slab) >>>>>>>>>>>>>>>>> raw: 017ff00000000040 ffff888160416c80 dead000000000122 0= 000000000000000 >>>>>>>>>>>>>>>>> raw: 0000000000000000 0000000800150015 00000000f5000000 0= 000000000000000 >>>>>>>>>>>>>>>>> head: 017ff00000000040 ffff888160416c80 dead000000000122 = 0000000000000000 >>>>>>>>>>>>>>>>> head: 0000000000000000 0000000800150015 00000000f5000000 = 0000000000000000 >>>>>>>>>>>>>>>>> head: 017ff00000000001 ffffffffffffff81 00000000ffffffff = 00000000ffffffff >>>>>>>>>>>>>>>>> head: ffffffffffffffff 0000000000000000 00000000ffffffff = 0000000000000002 >>>>>>>>>>>>>>>>> page dumped because: kasan: bad access detected >>>>>>>>>>>>>>>>> page_owner tracks the page as allocated >>>>>>>>>>>>>>>>> page last allocated via order 1, migratetype Unmovable, g= fp_mask 0xd20c0(__GFP_IO|__GFP_FS|__GFP_NOWARN|__GFP_NORETRY|__GFP_COMP|__G= FP_NOMEMALLOC), pid 5050, tgid 5050 (klogd), ts 75887265953, free_ts 758763= 44896 >>>>>>>>>>>>>>>>> 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+0x24ba/0x2540 mm/page_alloc.c:394= 6 >>>>>>>>>>>>>>>>> __alloc_frozen_pages_noprof+0x18d/0x380 mm/page_alloc.c:= 5226 >>>>>>>>>>>>>>>>> alloc_slab_page mm/slub.c:3278 [inline] >>>>>>>>>>>>>>>>> allocate_slab+0x77/0x660 mm/slub.c:3467 >>>>>>>>>>>>>>>>> new_slab mm/slub.c:3525 [inline] >>>>>>>>>>>>>>>>> refill_objects+0x339/0x3d0 mm/slub.c:7271 >>>>>>>>>>>>>>>>> refill_sheaf mm/slub.c:2816 [inline] >>>>>>>>>>>>>>>>> __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+0x441/0x690 mm/slub.c:4950 >>>>>>>>>>>>>>>>> __alloc_skb+0x1d0/0x7d0 net/core/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+0x878/0x990 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/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/entry/syscall_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 stack trace: >>>>>>>>>>>>>>>>> reset_page_owner include/linux/page_owner.h:25 [inline] >>>>>>>>>>>>>>>>> __free_pages_prepare mm/page_alloc.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/rcu/tree.c:2869 >>>>>>>>>>>>>>>>> handle_softirqs+0x22a/0x840 kernel/softirq.c:622 >>>>>>>>>>>>>>>>> __do_softirq kernel/softirq.c:656 [inline] >>>>>>>>>>>>>>>>> invoke_softirq kernel/softirq.c:496 [inline] >>>>>>>>>>>>>>>>> __irq_exit_rcu+0xca/0x220 kernel/softirq.c:735 >>>>>>>>>>>>>>>>> irq_exit_rcu+0x9/0x30 kernel/softirq.c:752 >>>>>>>>>>>>>>>>> instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/a= pic.c:1061 [inline] >>>>>>>>>>>>>>>>> sysvec_apic_timer_interrupt+0xa6/0xc0 arch/x86/kernel/ap= ic/apic.c:1061 >>>>>>>>>>>>>>>>> asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/inclu= de/asm/idtentry.h:697 >>>>>>>>>>>>>>>>> >>>>>>>>>>>>>>>>> Memory state around the buggy address: >>>>>>>>>>>>>>>>> ffff8881178efd80: fc fc fc fc fc fc fc fc fc fc fc fc fc= fc fc fc >>>>>>>>>>>>>>>>> ffff8881178efe00: fa fb fb fb fb fb fb fb fb fb fb fb fb= fb fb fb >>>>>>>>>>>>>>>>> >ffff8881178efe80: fb fb fb fb fb fb fb fb fb fb fb fb fb= fb fc fc >>>>>>>>>>>>>>>>> ^ >>>>>>>>>>>>>>>>> ffff8881178eff00: fc fc fc fc fc fc fc fc fc fc fc fc fc= fc fc fc >>>>>>>>>>>>>>>>> ffff8881178eff80: fc fc fc fc 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 reached at syzkaller@googlegro= ups.com. >>>>>>>>>>>>>>>>> >>>>>>>>>>>>>>>>> To test a patch for this bug, please reply with `#syz tes= t` >>>>>>>>>>>>>>>>> (should be on a separate line). >>>>>>>>>>>>>>>>> >>>>>>>>>>>>>>>>> The patch should be attached to the email. >>>>>>>>>>>>>>>>> Note: arguments like custom git repos and branches are no= t 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 stable@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 positive, reply with >>>>>>>>>>>>>>>>> #syz invalid >>>>>>>>>>>>>>>>> >>>>>>>>>>>>>>>>> -- >>>>>>>>>>>>>>>>> You received this message because you are subscribed to t= he Google Groups "syzkaller-upstream-moderation" group. >>>>>>>>>>>>>>>>> To unsubscribe from this group and stop receiving emails = from it, send an email to syzkaller-upstream-moderation+unsubscribe@googleg= roups.com. >>>>>>>>>>>>>>>>> To view this discussion visit https://groups.google.com/d= /msgid/syzkaller-upstream-moderation/6a185386.99a1ea37.128423.0001.GAE%40go= ogle.com. >>>>>>>>>>>>>>> >>>>>>>>>>>>>>> --=20 >>>>>>>>>>>>>>> You received this message because you are subscribed to the= Google Groups "syzkaller-upstream-moderation" group. >>>>>>>>>>>>>>> To unsubscribe from this group and stop receiving emails fr= om it, send an email to syzkaller-upstream-moderation+unsubscribe@googlegro= ups.com. >>>>>>>>>>>>>>> To view this discussion visit https://groups.google.com/d/m= sgid/syzkaller-upstream-moderation/6a18555e.e783d627.6395.0001.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 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. >>>>>> >>>>>> --=20 >>>>>> You received this message because you are subscribed to the Google G= roups "syzkaller-upstream-moderation" group. >>>>>> To unsubscribe from this group and stop receiving emails from it, se= nd an email to syzkaller-upstream-moderation+unsubscribe@googlegroups.com. >>>>>> To view this discussion visit https://groups.google.com/d/msgid/syzk= aller-upstream-moderation/6a185566.7f45b5d1.9d2a9.000a.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 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. >>> >>> --=20 >>> You received this message because you are subscribed to the Google Grou= ps "syzkaller-upstream-moderation" group. >>> To unsubscribe from this group and stop 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/syzkall= er-upstream-moderation/6a18556a.b6d9d2ce.2aaec5.001c.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 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.