syzbot


linux-next boot error: WARNING in copy_process

Status: upstream: reported on 2022/08/10 09:12
Reported-by: syzbot+0f36653d0d34001e0b43@syzkaller.appspotmail.com
First crash: 50d, last: 48d

Sample crash report:
------------[ cut here ]------------
DEBUG_LOCKS_WARN_ON(!p->softirqs_enabled)
WARNING: CPU: 0 PID: 46 at kernel/fork.c:2115 copy_process+0x36c9/0x7120 kernel/fork.c:2115
Modules linked in:
CPU: 0 PID: 46 Comm: kworker/u4:3 Not tainted 5.19.0-next-20220812-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022
Workqueue: events_unbound call_usermodehelper_exec_work
RIP: 0010:copy_process+0x36c9/0x7120 kernel/fork.c:2115
Code: 0c 31 ff 89 de e8 c7 00 35 00 85 db 0f 85 c3 d7 ff ff e8 fa 03 35 00 48 c7 c6 c0 12 eb 89 48 c7 c7 00 13 eb 89 e8 64 2a f3 07 <0f> 0b e9 a4 d7 ff ff e8 db 03 35 00 0f 0b e8 d4 03 35 00 0f 0b e8
RSP: 0000:ffffc90000b77938 EFLAGS: 00010286

RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000
RDX: ffff888017ff0000 RSI: ffffffff8161f218 RDI: fffff5200016ef19
RBP: ffffc90000b77ac8 R08: 0000000000000005 R09: 0000000000000000
R10: 0000000080000000 R11: 0000000000000001 R12: ffff88801fe5002c
R13: ffff88801fe50000 R14: ffffc90000b77c10 R15: 0000000000808100
FS:  0000000000000000(0000) GS:ffff8880b9b00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000000 CR3: 000000000bc8e000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>

Crashes (2):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Title
ci-upstream-linux-next-kasan-gce-root 2022/08/12 04:48 linux-next 7bb4fa8a025a 402cd70d .config log report linux-next boot error: WARNING in copy_process
ci-upstream-linux-next-kasan-gce-root 2022/08/10 05:49 linux-next bc6c6584ffb2 c2a623d6 .config log report linux-next boot error: WARNING in copy_process
* Struck through repros no longer work on HEAD.