syzbot


WARNING in do_exit

Status: upstream: reported on 2026/05/02 12:20
Subsystems: kernel
Labels: prio:low
[Documentation on labels]
Reported-by: syzbot+8fdf0d8e10bdde1c2e88@syzkaller.appspotmail.com
First crash: 60d, last: 4d05h
✨ AI Jobs (3)
ID Workflow Result Correct Bug Created Started Finished Revision Error
82969c62-e704-4ee5-b5fb-dfedec4cfb89 assessment-security DenialOfService: ❌ Exploitable: ❌ FilesystemTrigger: ❌ NetworkTrigger: ❌ PeripheralTrigger: ❌ RemoteTrigger: ❌ Unprivileged: ✅ UserNamespace: ✅ VMGuestTrigger: ❌ VMHostTrigger: ❌ WARNING in do_exit 2026/05/31 19:24 2026/05/31 19:24 2026/05/31 20:23 6b4a844333e83556da95d61d7f207e7ef5cd4bc6

			
		
c5f713b5-d254-4f12-a685-9777eb0cd537 assessment-security 💥 WARNING in do_exit 2026/05/15 06:19 2026/05/15 06:19 2026/05/15 06:20 6ccb967e465e832a7bfd7a116ad00d52a0923a5d
failed to run ["make" "KERNELVERSION=syzkaller" "KERNELRELEASE=syzkaller" "LOCALVERSION=-syzkaller" "-j" "32" "ARCH=x86_64" "CC=ccache clang" "LD=ld.lld" "O=/app/workdir/cache/build/c5ea796d113e21c338...
truncated to first 200 bytes; open job for full error
983237b2-e725-40eb-a3a4-d5cdf85c59ba assessment-security 💥 WARNING in do_exit 2026/05/07 04:58 2026/05/07 07:13 2026/05/07 08:27 f250db59430dfb0102692e53ab92e84e82178c3e
Error 503, Message: This model is currently experiencing high demand. Spikes in demand are usually temporary. Please try again later., Status: UNAVAILABLE, Details: []
Discussions (1)
Title Replies (including bot) Last reply
[syzbot] [kernel?] WARNING in do_exit 0 (1) 2026/05/02 12:20

Sample crash report:
ACPI: PM: Preparing to enter system sleep state S5
kvm: exiting hardware virtualization
reboot: Power down
------------[ cut here ]------------
irqs_disabled()
WARNING: kernel/exit.c:930 at do_exit+0x1cf7/0x2ae0 kernel/exit.c:930, CPU#0: init/6193
Modules linked in:
CPU: 0 UID: 0 PID: 6193 Comm: init Tainted: G             L      syzkaller #0 PREEMPT(full) 
Tainted: [L]=SOFTLOCKUP
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
RIP: 0010:do_exit+0x1cf7/0x2ae0 kernel/exit.c:930
Code: 69 0a 00 00 8b 83 c8 16 00 00 65 01 05 8e 9b 4c 12 e9 c6 fa ff ff e8 28 9a 41 00 90 0f 0b 90 e9 d6 e3 ff ff e8 1a 9a 41 00 90 <0f> 0b 90 e9 93 e3 ff ff e8 0c 9a 41 00 31 c0 b9 04 00 00 00 4c 89
RSP: 0018:ffffc9000583fc68 EFLAGS: 00010093
RAX: 0000000000000000 RBX: ffff888030a20000 RCX: ffffffff81c724f9
RDX: ffff888030a20000 RSI: ffffffff81c74166 RDI: ffff888030a20000
RBP: 0000000000000000 R08: 0000000000000007 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000000
R13: ffffffff8e695c00 R14: 00000000fee1dead R15: dffffc0000000000
FS:  00007f35e156bc80(0000) GS:ffff8881242f6000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00000000003ff000 CR3: 00000000361de000 CR4: 00000000003506f0
Call Trace:
 <TASK>
 __do_sys_reboot+0x36e/0x400 kernel/reboot.c:784
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0x115/0x840 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f35e17328d3
Code: ff 45 31 c9 6a 13 45 31 c0 31 c9 e8 67 8b f8 ff 48 83 c4 18 c3 66 90 89 fa be 69 19 12 28 bf ad de e1 fe b8 a9 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 05 c3 0f 1f 40 00 48 8b 15 f1 24 0d 00 f7 d8
RSP: 002b:00007fffa64acd28 EFLAGS: 00000246 ORIG_RAX: 00000000000000a9
RAX: ffffffffffffffda RBX: 000000000000000c RCX: 00007f35e17328d3
RDX: 000000004321fedc RSI: 0000000028121969 RDI: 00000000fee1dead
RBP: 000000004321fedc R08: 0000000000000000 R09: 0000000000000000
R10: 00007fffa64acd00 R11: 0000000000000246 R12: 00007f35e18d5490
R13: 00007fffa64acd7c R14: 00007f35e1915000 R15: 000055a33fb0ad98
 </TASK>

Crashes (2):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2026/06/23 20:06 upstream 502d801f0ab0 4b1d8f01 .config console log report info [disk image] [vmlinux] [kernel image] ci-qemu-gce-upstream-auto WARNING in do_exit
2026/04/28 12:09 upstream 3b3bea6d4b9c 340bcdf0 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream WARNING in do_exit
* Struck through repros no longer work on HEAD.