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BUG: soft lockup in sock_close

Status: upstream: reported C repro on 2024/03/25 07:28
Reported-by: syzbot+8e44f6baf770f194eef0@syzkaller.appspotmail.com
First crash: 420d, last: 5d06h
▶ ▼ Similar bugs (11)
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
linux-5.15 INFO: rcu detected stall in sock_close (3) origin:upstream C 9 23d 360d 0/3 upstream: reported C repro on 2024/05/20 00:06
android-5-15 BUG: soft lockup in sock_close origin:downstream C done 349 3d23h 414d 0/2 upstream: reported C repro on 2024/03/26 23:21
android-6-1 BUG: soft lockup in sock_close origin:downstream C error 5 25d 414d 0/2 upstream: reported C repro on 2024/03/27 04:09
linux-6.1 BUG: soft lockup in sock_close origin:upstream syz error 1 142d 142d 0/3 upstream: reported syz repro on 2024/12/23 18:51
linux-5.15 INFO: rcu detected stall in sock_close (2) 1 476d 476d 0/3 auto-obsoleted due to no activity on 2024/05/03 14:38
upstream INFO: rcu detected stall in sock_close (4) net 2 566d 604d 0/28 auto-obsoleted due to no activity on 2024/01/24 15:51
linux-6.1 INFO: rcu detected stall in sock_close (3) 1 367d 367d 0/3 auto-obsoleted due to no activity on 2024/08/21 03:02
linux-6.1 INFO: rcu detected stall in sock_close origin:upstream C done 1 675d 675d 3/3 fixed on 2023/09/23 10:26
linux-6.1 INFO: rcu detected stall in sock_close (2) 1 469d 469d 0/3 auto-obsoleted due to no activity on 2024/05/11 05:25
upstream INFO: rcu detected stall in sock_close (3) tipc C done done 5 1276d 1771d 0/28 closed as invalid on 2022/02/08 10:42
linux-5.15 INFO: rcu detected stall in sock_close C error 2 655d 708d 0/3 auto-obsoleted due to no activity on 2023/11/07 13:02
▶ ▼ Last patch testing requests (10)
Created Duration User Patch Repo Result
2025/03/18 17:01 9m retest repro android13-5.10-lts report log
2025/02/05 09:07 14m retest repro android13-5.10-lts report log
2025/02/05 09:07 10m retest repro android13-5.10-lts report log
2025/01/08 22:58 9m retest repro android13-5.10-lts report log
2025/01/08 22:58 16m retest repro android13-5.10-lts report log
2025/01/08 22:58 9m retest repro android13-5.10-lts report log
2025/01/08 22:58 8m retest repro android13-5.10-lts report log
2024/12/20 17:20 15m retest repro android13-5.10-lts report log
2024/12/06 15:49 10m retest repro android13-5.10-lts report log
2024/12/06 15:49 8m retest repro android13-5.10-lts report log

Sample crash report:
watchdog: BUG: soft lockup - CPU#1 stuck for 123s! [syz-executor249:295]
Modules linked in:
CPU: 1 PID: 295 Comm: syz-executor249 Not tainted 5.10.237-syzkaller-00309-g7e2543346ff7 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
RIP: 0010:pv_wait_head_or_lock kernel/locking/qspinlock_paravirt.h:434 [inline]
RIP: 0010:__pv_queued_spin_lock_slowpath+0x584/0xb70 kernel/locking/qspinlock.c:508
Code: 00 00 41 c6 06 00 48 8b 44 24 10 42 0f b6 04 38 84 c0 0f 85 c4 01 00 00 48 8b 44 24 08 c6 00 01 41 be 00 80 ff ff eb 07 f3 90 <41> ff c6 74 4b 43 0f b6 44 3d 00 84 c0 75 2e 80 3b 00 75 ea 48 89
RSP: 0018:ffffc90000c27980 EFLAGS: 00000206
RAX: 0000000000000000 RBX: ffff88811b284a88 RCX: ffffffff814b15ba
RDX: 0000000000000001 RSI: 0000000000000003 RDI: ffff88811b284a88
RBP: ffffc90000c27a70 R08: dffffc0000000000 R09: ffffed1023650952
R10: ffffed1023650952 R11: 1ffff11023650951 R12: ffff8881f73d2280
R13: 1ffff11023650951 R14: 00000000ffff8aa9 R15: dffffc0000000000
FS:  000055557ebb53c0(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f0585baee50 CR3: 000000010d367000 CR4: 00000000003506a0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 pv_queued_spin_lock_slowpath arch/x86/include/asm/paravirt.h:554 [inline]
 queued_spin_lock_slowpath+0x47/0x50 arch/x86/include/asm/qspinlock.h:51
 queued_spin_lock include/asm-generic/qspinlock.h:85 [inline]
 do_raw_spin_lock include/linux/spinlock.h:183 [inline]
 __raw_spin_lock_bh include/linux/spinlock_api_smp.h:136 [inline]
 _raw_spin_lock_bh+0xd8/0xe0 kernel/locking/spinlock.c:175
 spin_lock_bh include/linux/spinlock.h:359 [inline]
 lock_sock_nested+0x92/0x290 net/core/sock.c:3117
 lock_sock include/net/sock.h:1648 [inline]
 tipc_release+0x56/0x1490 net/tipc/socket.c:626
 __sock_release net/socket.c:597 [inline]
 sock_close+0xe0/0x270 net/socket.c:1286
 __fput+0x2fb/0x770 fs/file_table.c:281
 ____fput+0x15/0x20 fs/file_table.c:314
 task_work_run+0x127/0x190 kernel/task_work.c:189
 ptrace_notify+0x212/0x250 kernel/signal.c:2280
 ptrace_report_syscall include/linux/tracehook.h:66 [inline]
 tracehook_report_syscall_exit include/linux/tracehook.h:129 [inline]
 arch_syscall_exit_tracehook include/linux/entry-common.h:285 [inline]
 syscall_exit_work+0x6e/0x140 kernel/entry/common.c:239
 syscall_exit_to_user_mode_prepare kernel/entry/common.c:266 [inline]
 syscall_exit_to_user_mode+0x5b/0x90 kernel/entry/common.c:272
 do_syscall_64+0x3d/0x40 arch/x86/entry/common.c:56
 entry_SYSCALL_64_after_hwframe+0x61/0xcb
RIP: 0033:0x7f0585b7235a
Code: 48 3d 00 f0 ff ff 77 48 c3 0f 1f 80 00 00 00 00 48 83 ec 18 89 7c 24 0c e8 d3 63 02 00 8b 7c 24 0c 89 c2 b8 03 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 36 89 d7 89 44 24 0c e8 33 64 02 00 8b 44 24
RSP: 002b:00007ffcd1ffb0b0 EFLAGS: 00000293 ORIG_RAX: 0000000000000003
RAX: 0000000000000000 RBX: 0000000000000005 RCX: 00007f0585b7235a
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000004
RBP: 0000000000000005 R08: 0000000000000000 R09: 00007ffcd1ffb100
R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000018c75
R13: 0000000000018ca7 R14: 00007f0585bff33c R15: 00007f0585bff320

Crashes (130):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2025/05/10 06:53 android13-5.10-lts 7e2543346ff7 77908e5f .config strace log report syz / log C [disk image] [vmlinux] [kernel image] ci2-android-5-10 BUG: soft lockup in sock_close
2025/05/10 01:10 android13-5.10-lts 7e2543346ff7 77908e5f .config strace log report syz / log C [disk image] [vmlinux] [kernel image] ci2-android-5-10 BUG: soft lockup in sock_close
2025/04/13 20:36 android13-5.10-lts e0b88ee5f09c 0bd6db41 .config console log report syz / log C [disk image] [vmlinux] [kernel image] ci2-android-5-10 BUG: soft lockup in sock_close
2025/04/06 20:10 android13-5.10-lts 094fc3778d6b 1c65791e .config strace log report syz / log C [disk image] [vmlinux] [kernel image] ci2-android-5-10 BUG: soft lockup in sock_close
2025/01/22 08:35 android13-5.10-lts fbe98d68b6b3 da72ac06 .config console log report syz / log C [disk image] [vmlinux] [kernel image] ci2-android-5-10-perf BUG: soft lockup in sock_close
2025/01/16 23:36 android13-5.10-lts fbe98d68b6b3 f9e07a6e .config strace log report syz / log C [disk image] [vmlinux] [kernel image] ci2-android-5-10 BUG: soft lockup in sock_close
2024/12/25 18:03 android13-5.10-lts 4055d754db6f 444551c4 .config strace log report syz / log C [disk image] [vmlinux] [kernel image] ci2-android-5-10 BUG: soft lockup in sock_close
2024/12/24 09:00 android13-5.10-lts 4055d754db6f 444551c4 .config strace log report syz / log C [disk image] [vmlinux] [kernel image] ci2-android-5-10 BUG: soft lockup in sock_close
2024/12/24 04:20 android13-5.10-lts 4055d754db6f 444551c4 .config strace log report syz / log C [disk image] [vmlinux] [kernel image] ci2-android-5-10 BUG: soft lockup in sock_close
2024/11/22 15:41 android13-5.10-lts b14940b90491 4b25d554 .config strace log report syz / log C [disk image] [vmlinux] [kernel image] ci2-android-5-10 BUG: soft lockup in sock_close
2024/11/11 22:55 android13-5.10-lts 6a01908517df 0c4b1325 .config strace log report syz / log C [disk image] [vmlinux] [kernel image] ci2-android-5-10 BUG: soft lockup in sock_close
2024/08/29 09:44 android13-5.10-lts 0890c03b8b7d ef3de9e8 .config strace log report syz / log C [disk image] [vmlinux] [kernel image] ci2-android-5-10 BUG: soft lockup in sock_close
2024/05/20 17:39 android13-5.10-lts 70b6ab09a34b c0f1611a .config strace log report syz C [disk image] [vmlinux] [kernel image] ci2-android-5-10 BUG: soft lockup in sock_close
2024/03/27 03:02 android13-5.10-lts e7daca75b4c3 454571b6 .config strace log report syz C [disk image] [vmlinux] [kernel image] ci2-android-5-10-perf BUG: soft lockup in sock_close
2024/03/25 07:19 android13-5.10-lts e7daca75b4c3 0ea90952 .config console log report syz C [disk image] [vmlinux] [kernel image] ci2-android-5-10 BUG: soft lockup in sock_close
2024/11/21 21:05 android13-5.10-lts b14940b90491 4b25d554 .config console log report syz / log [disk image] [vmlinux] [kernel image] ci2-android-5-10 BUG: soft lockup in sock_close
2025/05/09 19:28 android13-5.10-lts 7e2543346ff7 77908e5f .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10 BUG: soft lockup in sock_close
2025/05/09 19:15 android13-5.10-lts 7e2543346ff7 77908e5f .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10 BUG: soft lockup in sock_close
2025/05/03 01:56 android13-5.10-lts ab07aeb2c93d b0714e37 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10-perf BUG: soft lockup in sock_close
2025/04/29 14:25 android13-5.10-lts ab07aeb2c93d aeb6ec69 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10 BUG: soft lockup in sock_close
2025/04/22 10:45 android13-5.10-lts ba8b8b193394 2a20f901 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10 BUG: soft lockup in sock_close
2025/04/20 20:49 android13-5.10-lts ba8b8b193394 2a20f901 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10 BUG: soft lockup in sock_close
2025/04/19 12:28 android13-5.10-lts ba8b8b193394 2a20f901 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10 BUG: soft lockup in sock_close
2025/04/10 12:25 android13-5.10-lts e0b88ee5f09c 988b336c .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10 BUG: soft lockup in sock_close
2025/03/31 08:18 android13-5.10-lts 094fc3778d6b d3999433 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10 BUG: soft lockup in sock_close
2025/03/25 14:39 android13-5.10-lts 094fc3778d6b 875573af .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10 BUG: soft lockup in sock_close
2025/03/04 12:43 android13-5.10-lts 3f5f2283d684 c3901742 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10 BUG: soft lockup in sock_close
2025/03/04 11:29 android13-5.10-lts 3f5f2283d684 c3901742 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10 BUG: soft lockup in sock_close
2025/03/04 00:37 android13-5.10-lts 3f5f2283d684 c3901742 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10 BUG: soft lockup in sock_close
2025/02/26 19:57 android13-5.10-lts 3f5f2283d684 d34966d1 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10 BUG: soft lockup in sock_close
2025/02/16 14:03 android13-5.10-lts 6686f2996d23 40a34ec9 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10 BUG: soft lockup in sock_close
2025/02/14 01:04 android13-5.10-lts 6686f2996d23 a98a8417 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10 BUG: soft lockup in sock_close
2025/01/16 18:49 android13-5.10-lts fbe98d68b6b3 f9e07a6e .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10 BUG: soft lockup in sock_close
2025/01/16 07:51 android13-5.10-lts fbe98d68b6b3 968edaf4 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10 BUG: soft lockup in sock_close
2025/01/09 04:12 android13-5.10-lts 49e8ba0a684f f3558dbf .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10 BUG: soft lockup in sock_close
2024/12/23 13:38 android13-5.10-lts 4055d754db6f b4fbdbd4 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10 BUG: soft lockup in sock_close
2024/11/14 00:49 android13-5.10-lts 6a01908517df bb3f8425 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10 BUG: soft lockup in sock_close
2024/11/11 16:28 android13-5.10-lts 6a01908517df 0c4b1325 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10 BUG: soft lockup in sock_close
2024/09/10 13:06 android13-5.10-lts 1c5354a314ea 784df80e .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10 BUG: soft lockup in sock_close
2024/08/29 12:34 android13-5.10-lts 0890c03b8b7d 9bd464fc .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10 BUG: soft lockup in sock_close
2024/08/28 19:21 android13-5.10-lts 0890c03b8b7d ef3de9e8 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10 BUG: soft lockup in sock_close
2024/08/28 17:56 android13-5.10-lts 0890c03b8b7d ef3de9e8 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10 BUG: soft lockup in sock_close
2024/08/28 16:54 android13-5.10-lts 0890c03b8b7d ef3de9e8 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10 BUG: soft lockup in sock_close
2024/08/28 13:30 android13-5.10-lts 0890c03b8b7d ef3de9e8 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10 BUG: soft lockup in sock_close
2024/08/20 10:53 android13-5.10-lts 0890c03b8b7d 9f0ab3fb .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10 BUG: soft lockup in sock_close
2024/08/17 00:34 android13-5.10-lts 0890c03b8b7d dbc93b08 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10 BUG: soft lockup in sock_close
2024/08/17 00:30 android13-5.10-lts 0890c03b8b7d dbc93b08 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10 BUG: soft lockup in sock_close
2024/08/15 03:22 android13-5.10-lts 0890c03b8b7d e4bacdaf .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10 BUG: soft lockup in sock_close
2024/08/14 13:45 android13-5.10-lts 0890c03b8b7d e6b88e20 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10 BUG: soft lockup in sock_close
2024/08/14 02:11 android13-5.10-lts 0890c03b8b7d bde81f6f .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10 BUG: soft lockup in sock_close
2024/08/13 09:42 android13-5.10-lts 0890c03b8b7d 7b0f4b46 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10 BUG: soft lockup in sock_close
2024/08/12 17:03 android13-5.10-lts fd58936f3c1f 842184b3 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10 BUG: soft lockup in sock_close
2024/08/11 05:01 android13-5.10-lts fd58936f3c1f 6f4edef4 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10 BUG: soft lockup in sock_close
2024/08/10 01:10 android13-5.10-lts fd58936f3c1f a83d9288 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10 BUG: soft lockup in sock_close
2024/08/04 07:02 android13-5.10-lts fd58936f3c1f 1786a2a8 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10 BUG: soft lockup in sock_close
2024/08/03 22:47 android13-5.10-lts fd58936f3c1f 1786a2a8 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10 BUG: soft lockup in sock_close
2024/07/30 16:50 android13-5.10-lts fd58936f3c1f 6fde257d .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10 BUG: soft lockup in sock_close
2024/07/28 17:52 android13-5.10-lts fd58936f3c1f 46eb10b7 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10 BUG: soft lockup in sock_close
2024/07/28 02:40 android13-5.10-lts fd58936f3c1f 46eb10b7 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10 BUG: soft lockup in sock_close
2024/03/21 13:17 android13-5.10-lts e7daca75b4c3 6753db5c .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10-perf BUG: soft lockup in sock_close
* Struck through repros no longer work on HEAD.