syzbot


general protection fault in process_one_work (2)

Status: auto-closed as invalid on 2021/09/17 12:34
Subsystems: kernel
[Documentation on labels]
Reported-by: syzbot+ae236c2e559557e598b9@syzkaller.appspotmail.com
First crash: 1071d, last: 1071d
Similar bugs (9)
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
upstream KMSAN: kernel-infoleak in copyout (2) net C 6723 383d 1551d 22/27 fixed on 2023/06/08 14:41
upstream general protection fault in process_one_work net 2 1701d 1701d 13/27 fixed on 2019/11/23 02:56
android-5-15 KASAN: use-after-free Read in process_one_work missing-backport origin:downstream C unreliable 209 4d23h 603d 0/2 upstream: reported C repro on 2022/10/31 08:36
android-5-10 BUG: corrupted list in process_one_work C error done 10 1d01h 807d 2/2 upstream: reported C repro on 2022/04/10 06:05
upstream KASAN: global-out-of-bounds Read in process_one_work kernel 1 40d 36d 0/27 moderation: reported on 2024/05/20 01:05
upstream KASAN: slab-out-of-bounds Read in process_one_work kernel 1 606d 602d 0/27 auto-obsoleted due to no activity on 2023/01/25 20:05
android-6-1 KASAN: use-after-free Read in process_one_work origin:upstream missing-backport C error 276 1d03h 400d 0/2 upstream: reported C repro on 2023/05/21 23:04
upstream KASAN: slab-use-after-free Read in process_one_work kernel 2 289d 292d 0/27 auto-obsoleted due to no activity on 2023/12/08 17:35
android-54 KASAN: use-after-free Read in process_one_work 1 462d 462d 0/2 auto-obsoleted due to no activity on 2023/07/18 18:33

Sample crash report:
general protection fault, probably for non-canonical address 0xdffffc0000000000: 0000 [#1] PREEMPT SMP KASAN
KASAN: null-ptr-deref in range [0x0000000000000000-0x0000000000000007]
CPU: 1 PID: 31787 Comm: kworker/1:17 Tainted: G        W         5.14.0-rc1-next-20210715-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Workqueue: ipv6_addrconf addrconf_dad_work
RIP: 0010:debug_spin_lock_before kernel/locking/spinlock_debug.c:83 [inline]
RIP: 0010:do_raw_spin_lock+0x69/0x2b0 kernel/locking/spinlock_debug.c:112
Code: 5b 81 48 8d 14 03 c7 02 f1 f1 f1 f1 c7 42 04 04 f3 f3 f3 48 89 fa 65 48 8b 0c 25 28 00 00 00 48 89 4c 24 60 31 c9 48 c1 ea 03 <0f> b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 08 84 d2 0f 85 db
RSP: 0018:ffffc9000a107c90 EFLAGS: 00010047
RAX: dffffc0000000000 RBX: 1ffff92001420f93 RCX: 0000000000000000
RDX: 0000000000000000 RSI: 0000000000000008 RDI: 0000000000000004
RBP: 0000000000000000 R08: 0000000000000000 R09: ffffffff8d6c7817
R10: fffffbfff1ad8f02 R11: 0000000000000000 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
FS:  0000000000000000(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b2ed22000 CR3: 000000014af55000 CR4: 00000000001506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 process_one_work+0xad7/0x1630 kernel/workqueue.c:2304
 worker_thread+0x658/0x11f0 kernel/workqueue.c:2422
 kthread+0x3e5/0x4d0 kernel/kthread.c:319
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295
Modules linked in:
---[ end trace 14bfcb6cde880456 ]---
RIP: 0010:debug_spin_lock_before kernel/locking/spinlock_debug.c:83 [inline]
RIP: 0010:do_raw_spin_lock+0x69/0x2b0 kernel/locking/spinlock_debug.c:112
Code: 5b 81 48 8d 14 03 c7 02 f1 f1 f1 f1 c7 42 04 04 f3 f3 f3 48 89 fa 65 48 8b 0c 25 28 00 00 00 48 89 4c 24 60 31 c9 48 c1 ea 03 <0f> b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 08 84 d2 0f 85 db
RSP: 0018:ffffc9000a107c90 EFLAGS: 00010047
RAX: dffffc0000000000 RBX: 1ffff92001420f93 RCX: 0000000000000000
RDX: 0000000000000000 RSI: 0000000000000008 RDI: 0000000000000004
RBP: 0000000000000000 R08: 0000000000000000 R09: ffffffff8d6c7817
R10: fffffbfff1ad8f02 R11: 0000000000000000 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
FS:  0000000000000000(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b2ed22000 CR3: 000000014af55000 CR4: 00000000001506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400

Crashes (1):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2021/07/19 12:33 linux-next c1a6d08348fc e6a17580 .config console log report info ci-upstream-linux-next-kasan-gce-root general protection fault in process_one_work
* Struck through repros no longer work on HEAD.