general protection fault in worker

Title	Replies (including bot)	Last reply
[syzbot] Monthly io-uring report (Jun 2023)	0 (1)	2023/06/29 08:54
[syzbot] [io-uring?] general protection fault in worker_thread (2)	0 (1)	2023/06/25 13:54

Title

Replies (including bot)

Last reply

[syzbot] Monthly io-uring report (Jun 2023)

0 (1)

2023/06/29 08:54

[syzbot] [io-uring?] general protection fault in worker_thread (2)

0 (1)

2023/06/25 13:54

Kernel	Title	Repro	Cause bisect	Fix bisect	Count	Last	Reported	Patched	Status
upstream	general protection fault in worker_thread kernel				1	577d	573d	0/26	auto-obsoleted due to no activity on 2022/12/30 10:32
android-5-15	KASAN: use-after-free Read in worker_thread missing-backport origin:downstream	C	unreliable	error	26	13h56m	562d	0/2	upstream: reported C repro on 2022/10/16 06:28
upstream	KMSAN: uninit-value in worker_thread (3) ext4				2	942d	1025d	0/26	auto-closed as invalid on 2021/12/30 14:37
android-6-1	KASAN: use-after-free Read in worker_thread missing-backport origin:lts	C	error		21	6h28m	321d	0/2	upstream: reported C repro on 2023/06/14 05:51

Created	Duration	User	Patch	Repo	Result
2023/08/21 21:46	26m	retest repro		upstream	OK log

Created

Duration

User

Patch

Repo

Result

2023/08/21 21:46

26m

retest repro

upstream

OK log

general protection fault, probably for non-canonical address 0xdffffc0000000003: 0000 [#1] PREEMPT SMP KASAN KASAN: null-ptr-deref in range [0x0000000000000018-0x000000000000001f] CPU: 3 PID: 5205 Comm: kworker/2:4 Not tainted 6.4.0-rc7-syzkaller-00041-ge660abd551f1 #0 Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.14.0-2 04/01/2014 RIP: 0010:__lock_acquire+0xe01/0x5f30 kernel/locking/lockdep.c:4956 Code: 00 00 3b 05 a1 ce 59 0f 0f 87 7a 09 00 00 41 be 01 00 00 00 e9 84 00 00 00 48 b8 00 00 00 00 00 fc ff df 4c 89 e2 48 c1 ea 03 <80> 3c 02 00 0f 85 9e 33 00 00 49 81 3c 24 20 78 15 90 0f 84 cd f2 RSP: 0018:ffffc90003d27be0 EFLAGS: 00010006 RAX: dffffc0000000000 RBX: 1ffff920007a4fad RCX: 0000000000000000 RDX: 0000000000000003 RSI: 0000000000000000 RDI: 0000000000000018 RBP: ffff88802f9fd6c0 R08: 0000000000000001 R09: 0000000000000001 R10: 0000000000000001 R11: 0000000000000000 R12: 0000000000000018 R13: 0000000000000000 R14: 0000000000000018 R15: 0000000000000000 FS: 0000000000000000(0000) GS:ffff88806b900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f896259d440 CR3: 00000000293e8000 CR4: 0000000000350ee0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: <TASK> lock_acquire kernel/locking/lockdep.c:5705 [inline] lock_acquire+0x1b1/0x520 kernel/locking/lockdep.c:5670 __raw_spin_lock_irq include/linux/spinlock_api_smp.h:119 [inline] _raw_spin_lock_irq+0x36/0x50 kernel/locking/spinlock.c:170 worker_thread+0x16d/0x10c0 kernel/workqueue.c:2502 kthread+0x344/0x440 kernel/kthread.c:379 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308 </TASK> Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:__lock_acquire+0xe01/0x5f30 kernel/locking/lockdep.c:4956 Code: 00 00 3b 05 a1 ce 59 0f 0f 87 7a 09 00 00 41 be 01 00 00 00 e9 84 00 00 00 48 b8 00 00 00 00 00 fc ff df 4c 89 e2 48 c1 ea 03 <80> 3c 02 00 0f 85 9e 33 00 00 49 81 3c 24 20 78 15 90 0f 84 cd f2 RSP: 0018:ffffc90003d27be0 EFLAGS: 00010006 RAX: dffffc0000000000 RBX: 1ffff920007a4fad RCX: 0000000000000000 RDX: 0000000000000003 RSI: 0000000000000000 RDI: 0000000000000018 RBP: ffff88802f9fd6c0 R08: 0000000000000001 R09: 0000000000000001 R10: 0000000000000001 R11: 0000000000000000 R12: 0000000000000018 R13: 0000000000000000 R14: 0000000000000018 R15: 0000000000000000 FS: 0000000000000000(0000) GS:ffff88806b900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f896259d440 CR3: 00000000293e8000 CR4: 0000000000350ee0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 ---------------- Code disassembly (best guess): 0: 00 00 add %al,(%rax) 2: 3b 05 a1 ce 59 0f cmp 0xf59cea1(%rip),%eax # 0xf59cea9 8: 0f 87 7a 09 00 00 ja 0x988 e: 41 be 01 00 00 00 mov $0x1,%r14d 14: e9 84 00 00 00 jmpq 0x9d 19: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 20: fc ff df 23: 4c 89 e2 mov %r12,%rdx 26: 48 c1 ea 03 shr $0x3,%rdx * 2a: 80 3c 02 00 cmpb $0x0,(%rdx,%rax,1) <-- trapping instruction 2e: 0f 85 9e 33 00 00 jne 0x33d2 34: 49 81 3c 24 20 78 15 cmpq $0xffffffff90157820,(%r12) 3b: 90 3c: 0f .byte 0xf 3d: 84 cd test %cl,%ch 3f: f2 repnz

Crashes (1):
Time	Kernel	Commit	Syzkaller	Config	Log	Report	Syz repro	C repro	VM info	Assets (help?)	Manager	Title
2023/06/21 13:47	upstream	e660abd551f1	79782afc	.config	console log	report	syz			[disk image (non-bootable)] [vmlinux] [kernel image]	ci-qemu-upstream	general protection fault in worker_thread

Crashes (1):

Assets (help?)