syzbot


WARNING in sk_stream_kill_queues (5)

Status: fixed on 2021/04/09 19:46
Reported-by: syzbot+7b99aafdcc2eedea6178@syzkaller.appspotmail.com
Fix commit: 097b9146c0e2 net: fix up truesize of cloned skb in skb_prepare_for_shift()
First crash: 675d, last: 540d

Cause bisection: introduced by (bisect log) :
commit 145cd60fb481328faafba76842aa0fd242e2b163
Author: Alexander Potapenko <glider@google.com>
Date: Tue Nov 24 05:38:44 2020 +0000

  mm, kfence: insert KFENCE hooks for SLUB

Crash: WARNING in sk_stream_kill_queues (log)
Repro: C syz .config
similar bugs (8):
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
upstream WARNING in sk_stream_kill_queues (4) C done done 6 946d 950d 17/24 fixed on 2020/06/30 18:57
upstream WARNING in sk_stream_kill_queues (3) C done 622 1211d 1570d 14/24 fixed on 2019/11/26 19:44
upstream WARNING in sk_stream_kill_queues (7) C 6689 208d 326d 22/24 fixed on 2022/03/08 16:11
upstream WARNING in sk_stream_kill_queues (8) C unreliable 71 2d04h 94d 23/24 upstream: reported C repro on 2022/06/29 17:41
upstream WARNING in sk_stream_kill_queues (2) C 124 1672d 1733d 0/24 closed as dup on 2018/01/03 23:44
upstream WARNING in sk_stream_kill_queues (6) C 11376 326d 540d 22/24 fixed on 2021/11/10 00:50
upstream WARNING in sk_stream_kill_queues syz 96 1873d 1876d 3/24 fixed on 2017/11/07 20:45
linux-4.19 WARNING in sk_stream_kill_queues C error 4 90d 194d 0/1 upstream: reported C repro on 2022/03/21 10:58

Sample crash report:
------------[ cut here ]------------
WARNING: CPU: 1 PID: 12748 at net/core/stream.c:207 sk_stream_kill_queues+0x3f4/0x450 net/core/stream.c:207
Modules linked in:
CPU: 1 PID: 12748 Comm: syz-executor618 Not tainted 5.12.0-rc1-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:sk_stream_kill_queues+0x3f4/0x450 net/core/stream.c:207
Code: f9 85 db 75 29 e8 7c bd f2 f9 48 83 c4 20 5b 41 5c 41 5d 41 5e 41 5f 5d c3 e8 68 bd f2 f9 0f 0b e9 04 ff ff ff e8 5c bd f2 f9 <0f> 0b eb b1 e8 53 bd f2 f9 0f 0b eb d3 89 d9 80 e1 07 80 c1 03 38
RSP: 0018:ffffc90001aa7a78 EFLAGS: 00010293
RAX: ffffffff87859534 RBX: 00000000fffffe80 RCX: ffff888021d7d340
RDX: 0000000000000000 RSI: 00000000fffffe80 RDI: 0000000000000000
RBP: ffffffff8d7c3d90 R08: ffffffff878594e0 R09: fffffbfff2088c95
R10: fffffbfff2088c95 R11: 0000000000000000 R12: ffff888025c00150
R13: dffffc0000000000 R14: dffffc0000000000 R15: ffff888025c00000
FS:  00007f75acb23700(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fff259cd9c0 CR3: 00000000331ab000 CR4: 00000000001506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 inet_csk_destroy_sock+0x15f/0x3e0 net/ipv4/inet_connection_sock.c:886
 __tcp_close+0xcaf/0xf90 net/ipv4/tcp.c:2855
 tcp_close+0x26/0xb0 net/ipv4/tcp.c:2867
 inet_release+0x16e/0x1f0 net/ipv4/af_inet.c:431
 __sock_release net/socket.c:599 [inline]
 sock_close+0xd8/0x260 net/socket.c:1258
 __fput+0x352/0x7b0 fs/file_table.c:280
 task_work_run+0x146/0x1c0 kernel/task_work.c:140
 get_signal+0x1e47/0x1ef0 kernel/signal.c:2554
 arch_do_signal_or_restart+0x3c/0x610 arch/x86/kernel/signal.c:811
 handle_signal_work kernel/entry/common.c:147 [inline]
 exit_to_user_mode_loop kernel/entry/common.c:171 [inline]
 exit_to_user_mode_prepare+0xac/0x1e0 kernel/entry/common.c:208
 __syscall_exit_to_user_mode_work kernel/entry/common.c:290 [inline]
 syscall_exit_to_user_mode+0x48/0x180 kernel/entry/common.c:301
 entry_SYSCALL_64_after_hwframe+0x44/0xae
RIP: 0033:0x44a769
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 d1 15 00 00 90 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 b8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f75acb232e8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
RAX: 0000000000008416 RBX: 00000000004d04d0 RCX: 000000000044a769
RDX: 000000000000fe6a RSI: 00000000200012c0 RDI: 0000000000000003
RBP: 00000000004d04dc R08: 0000000000000000 R09: 0000000000000027
R10: 000000000020c49a R11: 0000000000000246 R12: 000000000049f66c
R13: da1d348a04405372 R14: bf11751a0bf9ec8f R15: 00000000004d04d8

Crashes (4684):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Title
ci-upstream-kasan-gce-smack-root 2021/03/05 06:58 upstream cee407c5cc42 9d751681 .config log report syz C WARNING in sk_stream_kill_queues
ci-upstream-net-kasan-gce 2021/04/04 20:22 net-next 7d42e84eb99d 6a81331a .config log report syz C WARNING in sk_stream_kill_queues
ci-upstream-kasan-gce 2020/12/27 09:11 upstream f838f8d2b694 821e0b09 .config log report syz C
ci-upstream-linux-next-kasan-gce-root 2020/11/26 20:10 linux-next 6147c83fd749 1d2b823e .config log report syz C
ci-upstream-kasan-gce 2021/04/02 23:09 upstream 1678e493d530 6a81331a .config log report syz WARNING in sk_stream_kill_queues
ci-upstream-linux-next-kasan-gce-root 2021/01/09 21:23 linux-next 1c925d2030af 2c1f2513 .config log report syz
ci-upstream-kasan-gce-root 2021/04/09 16:34 upstream 4fa56ad0d12e 6a81331a .config log report info WARNING in sk_stream_kill_queues
ci-upstream-kasan-gce-selinux-root 2021/04/09 14:04 upstream 4fa56ad0d12e 6a81331a .config log report info WARNING in sk_stream_kill_queues
ci-upstream-kasan-gce-root 2021/04/09 06:11 upstream 4fa56ad0d12e 6a81331a .config log report info WARNING in sk_stream_kill_queues
ci-upstream-kasan-gce-selinux-root 2021/04/09 04:43 upstream 4fa56ad0d12e 6a81331a .config log report info WARNING in sk_stream_kill_queues
ci-upstream-kasan-gce-root 2021/04/09 03:12 upstream 4fa56ad0d12e 6a81331a .config log report info WARNING in sk_stream_kill_queues
ci-upstream-kasan-gce-selinux-root 2021/04/09 02:06 upstream 4fa56ad0d12e 6a81331a .config log report info WARNING in sk_stream_kill_queues
ci-upstream-kasan-gce 2021/04/09 00:43 upstream 454859c552da 6a81331a .config log report info WARNING in sk_stream_kill_queues
ci-upstream-kasan-gce-root 2021/04/08 21:07 upstream 454859c552da 6a81331a .config log report info WARNING in sk_stream_kill_queues
ci-upstream-kasan-gce-root 2021/04/08 15:23 upstream 454859c552da 6a81331a .config log report info WARNING in sk_stream_kill_queues
ci-upstream-kasan-gce-root 2021/04/08 13:19 upstream 454859c552da 6a81331a .config log report info WARNING in sk_stream_kill_queues
ci-upstream-kasan-gce 2021/04/08 11:08 upstream 3a22981230f9 6a81331a .config log report info WARNING in sk_stream_kill_queues
ci-upstream-kasan-gce 2021/04/08 09:38 upstream 3a22981230f9 6a81331a .config log report info WARNING in sk_stream_kill_queues
ci-upstream-kasan-gce-smack-root 2021/04/08 03:26 upstream 3a22981230f9 6a81331a .config log report info WARNING in sk_stream_kill_queues
ci-upstream-kasan-gce 2021/04/08 02:23 upstream 3a22981230f9 6a81331a .config log report info WARNING in sk_stream_kill_queues
ci-upstream-kasan-gce-selinux-root 2021/04/07 23:49 upstream 3a22981230f9 6a81331a .config log report info WARNING in sk_stream_kill_queues
ci-upstream-kasan-gce-selinux-root 2021/04/07 23:05 upstream 3a22981230f9 6a81331a .config log report info WARNING in sk_stream_kill_queues
ci-upstream-kasan-gce-root 2021/04/07 22:03 upstream 3a22981230f9 6a81331a .config log report info WARNING in sk_stream_kill_queues
ci-upstream-kasan-gce-smack-root 2021/04/07 15:45 upstream 2d743660786e 6a81331a .config log report info WARNING in sk_stream_kill_queues
ci-upstream-kasan-gce 2021/04/07 14:35 upstream 2d743660786e 6a81331a .config log report info WARNING in sk_stream_kill_queues
ci-upstream-kasan-gce-selinux-root 2021/04/07 12:13 upstream 2d743660786e 6a81331a .config log report info WARNING in sk_stream_kill_queues
ci-upstream-kasan-gce 2021/04/07 09:32 upstream 2d743660786e 6a81331a .config log report info WARNING in sk_stream_kill_queues
ci-upstream-kasan-gce-root 2021/04/07 05:35 upstream 2d743660786e 6a81331a .config log report info WARNING in sk_stream_kill_queues
ci-upstream-kasan-gce-smack-root 2021/04/07 01:39 upstream 2d743660786e 6a81331a .config log report info WARNING in sk_stream_kill_queues
ci-upstream-kasan-gce 2021/04/07 00:33 upstream 0a50438c8436 6a81331a .config log report info WARNING in sk_stream_kill_queues
ci-upstream-kasan-gce 2021/04/06 23:27 upstream 0a50438c8436 6a81331a .config log report info WARNING in sk_stream_kill_queues
ci-upstream-kasan-gce 2021/04/06 20:39 upstream 0a50438c8436 6a81331a .config log report info WARNING in sk_stream_kill_queues
ci-qemu-upstream 2021/03/29 04:13 upstream 36a14638f7c0 a8529b82 .config log report info WARNING in sk_stream_kill_queues
ci-upstream-kasan-gce-386 2021/04/09 04:13 upstream 4fa56ad0d12e 6a81331a .config log report info WARNING in sk_stream_kill_queues
ci-upstream-kasan-gce-386 2021/04/08 04:37 upstream 3a22981230f9 6a81331a .config log report info WARNING in sk_stream_kill_queues
ci-upstream-kasan-gce-386 2021/04/08 01:19 upstream 3a22981230f9 6a81331a .config log report info WARNING in sk_stream_kill_queues
ci-upstream-kasan-gce-386 2021/04/07 04:26 upstream 2d743660786e 6a81331a .config log report info WARNING in sk_stream_kill_queues
ci-qemu-upstream-386 2021/03/29 16:06 upstream a5e13c6df0e4 a8529b82 .config log report info WARNING in sk_stream_kill_queues
ci-upstream-net-this-kasan-gce 2021/04/09 18:36 net 864db232dc70 6a81331a .config log report info WARNING in sk_stream_kill_queues
ci-upstream-bpf-kasan-gce 2021/04/09 10:03 bpf afd0be729953 6a81331a .config log report info WARNING in sk_stream_kill_queues
ci-upstream-net-this-kasan-gce 2021/04/08 18:35 net 8a12f8836145 6a81331a .config log report info WARNING in sk_stream_kill_queues
ci-upstream-net-this-kasan-gce 2021/04/08 08:21 net 5219d6012d46 6a81331a .config log report info WARNING in sk_stream_kill_queues
ci-upstream-net-this-kasan-gce 2021/04/07 02:50 net 0f6925b3e8da 6a81331a .config log report info WARNING in sk_stream_kill_queues
ci-upstream-net-kasan-gce 2021/04/09 08:23 net-next 4438669eb703 6a81331a .config log report info WARNING in sk_stream_kill_queues
ci-upstream-net-kasan-gce 2021/04/09 02:10 net-next 4438669eb703 6a81331a .config log report info WARNING in sk_stream_kill_queues
ci-upstream-bpf-next-kasan-gce 2021/04/08 22:42 bpf-next 957dca3df624 6a81331a .config log report info WARNING in sk_stream_kill_queues
ci-upstream-net-kasan-gce 2021/04/08 19:38 net-next 3cd52c1e32fe 6a81331a .config log report info WARNING in sk_stream_kill_queues
ci-upstream-net-kasan-gce 2021/04/08 07:11 net-next 0b35e0deb5be 6a81331a .config log report info WARNING in sk_stream_kill_queues
ci-upstream-net-kasan-gce 2021/04/07 02:41 net-next be107538c529 6a81331a .config log report info WARNING in sk_stream_kill_queues
ci-upstream-net-kasan-gce 2021/04/07 00:36 net-next cc0626c2aaed 6a81331a .config log report info WARNING in sk_stream_kill_queues
ci-upstream-net-kasan-gce 2021/04/06 22:25 net-next cc0626c2aaed 6a81331a .config log report info WARNING in sk_stream_kill_queues
ci-upstream-linux-next-kasan-gce-root 2021/04/09 17:42 linux-next e99d8a849517 6a81331a .config log report info WARNING in sk_stream_kill_queues
ci-upstream-linux-next-kasan-gce-root 2021/04/08 14:21 linux-next 6145d80cfc62 6a81331a .config log report info WARNING in sk_stream_kill_queues
ci-upstream-linux-next-kasan-gce-root 2021/04/08 12:14 linux-next 6145d80cfc62 6a81331a .config log report info WARNING in sk_stream_kill_queues
ci-upstream-linux-next-kasan-gce-root 2021/04/07 18:38 linux-next 5103a5be098c 6a81331a .config log report info WARNING in sk_stream_kill_queues
ci-upstream-linux-next-kasan-gce-root 2021/04/07 17:10 linux-next 5103a5be098c 6a81331a .config log report info WARNING in sk_stream_kill_queues
ci-upstream-linux-next-kasan-gce-root 2021/04/07 15:57 linux-next 5103a5be098c 6a81331a .config log report info WARNING in sk_stream_kill_queues
ci-upstream-linux-next-kasan-gce-root 2021/04/07 13:22 linux-next 5103a5be098c 6a81331a .config log report info WARNING in sk_stream_kill_queues
ci-upstream-linux-next-kasan-gce-root 2021/04/07 07:39 linux-next 9c54130cd255 6a81331a .config log report info WARNING in sk_stream_kill_queues
ci-upstream-linux-next-kasan-gce-root 2021/01/17 14:17 linux-next b3a3cbdec55b 813be542 .config log report info
ci-upstream-linux-next-kasan-gce-root 2020/11/26 08:35 linux-next 6147c83fd749 2f1cec62 .config log report info
* Struck through repros no longer work on HEAD.