syzbot


BUG: soft lockup in corrupted

Status: upstream: reported C repro on 2024/04/11 09:01
Bug presence: origin:lts
[Documentation on labels]
Reported-by: syzbot+3fae92f4b0d862899b31@syzkaller.appspotmail.com
First crash: 49d, last: 3d08h
Bug presence (2)
Date Name Commit Repro Result
2024/04/13 lts (merge base) 6139f2a02fe0 C [report] BUG: soft lockup in corrupted
2024/04/13 upstream (ToT) 8f2c057754b2 C Didn't crash
Similar bugs (7)
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
upstream BUG: workqueue lockup (5) kernel C done 4252 4h31m 1597d 0/26 upstream: reported C repro on 2020/01/14 22:04
linux-4.14 BUG: soft lockup in corrupted C error 12 668d 1152d 0/1 upstream: reported C repro on 2021/04/04 06:30
linux-4.19 BUG: soft lockup in corrupted C error 3 697d 885d 0/1 upstream: reported C repro on 2021/12/26 20:46
linux-6.1 INFO: rcu detected stall in corrupted origin:upstream C 637 8h47m 444d 0/3 upstream: reported C repro on 2023/03/13 04:03
upstream INFO: rcu detected stall in corrupted (4) kernel C done inconclusive 461 22h18m 1363d 0/26 upstream: reported C repro on 2020/09/04 18:49
linux-4.19 INFO: rcu detected stall in corrupted C error 2 860d 1568d 0/1 upstream: reported C repro on 2020/02/13 05:06
linux-5.15 INFO: rcu detected stall in corrupted origin:lts-only C error 4 75d 220d 0/3 upstream: reported C repro on 2023/10/23 02:41

Sample crash report:
watchdog: BUG: soft lockup - CPU#1 stuck for 144s! [syz-executor456:390]
Modules linked in:

CPU: 1 PID: 390 Comm: syz-executor456 Not tainted 5.15.149-syzkaller-00055-g424f92bcbe8f #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024
RIP: 0010:native_safe_halt arch/x86/include/asm/irqflags.h:51 [inline]
RIP: 0010:arch_safe_halt arch/x86/include/asm/irqflags.h:89 [inline]
RIP: 0010:kvm_wait+0x147/0x180 arch/x86/kernel/kvm.c:918
Code: 4c 89 e8 48 c1 e8 03 42 0f b6 04 20 84 c0 44 8b 74 24 1c 75 34 41 0f b6 45 00 44 38 f0 75 10 66 90 0f 00 2d 5b 03 f3 03 fb f4 <e9> 24 ff ff ff fb e9 1e ff ff ff 44 89 e9 80 e1 07 38 c1 7c a3 4c
RSP: 0000:ffffc90000a67220 EFLAGS: 00000246

RAX: 0000000000000003 RBX: 1ffff9200014ce48 RCX: ffffffff8154fa7f
RDX: dffffc0000000000 RSI: 0000000000000003 RDI: ffff888107df1518
RBP: ffffc90000a672d0 R08: dffffc0000000000 R09: ffffed1020fbe2a4
R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000
R13: ffff888107df1518 R14: 0000000000000003 R15: 1ffff9200014ce4c
FS:  0000555555a73380(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f4867121d08 CR3: 000000011d562000 CR4: 00000000003506a0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <IRQ>
 </IRQ>
 <TASK>
 pv_wait arch/x86/include/asm/paravirt.h:597 [inline]
 pv_wait_head_or_lock kernel/locking/qspinlock_paravirt.h:470 [inline]
 __pv_queued_spin_lock_slowpath+0x6bc/0xc40 kernel/locking/qspinlock.c:508
 pv_queued_spin_lock_slowpath arch/x86/include/asm/paravirt.h:585 [inline]
 queued_spin_lock_slowpath arch/x86/include/asm/qspinlock.h:51 [inline]
 queued_spin_lock include/asm-generic/qspinlock.h:85 [inline]
 do_raw_spin_lock include/linux/spinlock.h:187 [inline]
 __raw_spin_lock_bh include/linux/spinlock_api_smp.h:136 [inline]
 _raw_spin_lock_bh+0x139/0x1b0 kernel/locking/spinlock.c:178
 sock_hash_delete_elem+0xb1/0x2f0 net/core/sock_map.c:937
 bpf_prog_2c29ac5cdc6b1842+0x3a/0xbd4
 bpf_dispatcher_nop_func include/linux/bpf.h:785 [inline]
 __bpf_prog_run include/linux/filter.h:625 [inline]
 bpf_prog_run include/linux/filter.h:632 [inline]
 __bpf_trace_run kernel/trace/bpf_trace.c:1883 [inline]
 bpf_trace_run4+0x13f/0x270 kernel/trace/bpf_trace.c:1922
 __bpf_trace_mm_page_alloc+0xbf/0xf0 include/trace/events/kmem.h:201
 __traceiter_mm_page_alloc+0x3a/0x60 include/trace/events/kmem.h:201
 trace_mm_page_alloc include/trace/events/kmem.h:201 [inline]
 __alloc_pages+0x3cb/0x8f0 mm/page_alloc.c:5798
 __alloc_pages_node include/linux/gfp.h:591 [inline]
 alloc_pages_node include/linux/gfp.h:605 [inline]
 alloc_pages include/linux/gfp.h:618 [inline]
 wp_page_copy+0x200/0x1b00 mm/memory.c:3191
 do_wp_page+0x6fa/0xb60
 handle_pte_fault+0x7c0/0x24d0 mm/memory.c:4892
 do_handle_mm_fault+0x1ea9/0x23a0 mm/memory.c:5293
 handle_mm_fault include/linux/mm.h:1836 [inline]
 do_user_addr_fault arch/x86/mm/fault.c:1458 [inline]
 handle_page_fault arch/x86/mm/fault.c:1549 [inline]
 exc_page_fault+0x3b5/0x830 arch/x86/mm/fault.c:1605
 asm_exc_page_fault+0x27/0x30 arch/x86/include/asm/idtentry.h:568
RIP: 0033:0x7f486707e310
Code: 41 54 55 48 89 f5 53 89 fb 48 83 ec 18 48 83 3d dd 0c 0a 00 00 89 54 24 0c 74 08 84 c9 0f 85 09 02 00 00 31 c0 ba 01 00 00 00 <f0> 0f b1 15 f0 39 0a 00 0f 85 0f 02 00 00 4c 8d 25 e3 39 0a 00 4c
RSP: 002b:00007ffd4d73fc20 EFLAGS: 00010246

RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
RDX: 0000000000000001 RSI: 00007f486711f120 RDI: 0000000000000000
RBP: 00007f486711f120 R08: 00000000000000a0 R09: 00000000000000a0
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
 </TASK>

Crashes (27):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2024/05/27 05:13 android13-5.15-lts 424f92bcbe8f a10a183e .config strace log report syz C [disk image] [vmlinux] [kernel image] ci2-android-5-15-perf BUG: soft lockup in corrupted
2024/05/25 06:25 android13-5.15-lts 424f92bcbe8f a10a183e .config strace log report syz C [disk image] [vmlinux] [kernel image] ci2-android-5-15 BUG: soft lockup in corrupted
2024/05/23 01:04 android13-5.15-lts 5d96939590c0 4d098039 .config console log report syz C [disk image] [vmlinux] [kernel image] ci2-android-5-15-perf BUG: soft lockup in corrupted
2024/05/18 09:17 android13-5.15-lts 5d96939590c0 c0f1611a .config strace log report syz C [disk image] [vmlinux] [kernel image] ci2-android-5-15 BUG: soft lockup in corrupted
2024/05/15 21:02 android13-5.15-lts 5d96939590c0 94b087b1 .config console log report syz C [disk image] [vmlinux] [kernel image] ci2-android-5-15 BUG: soft lockup in corrupted
2024/05/15 17:08 android13-5.15-lts 5d96939590c0 94b087b1 .config console log report syz C [disk image] [vmlinux] [kernel image] ci2-android-5-15 BUG: soft lockup in corrupted
2024/05/14 08:22 android13-5.15-lts 5d96939590c0 fdb4c10c .config strace log report syz C [disk image] [vmlinux] [kernel image] ci2-android-5-15-perf BUG: soft lockup in corrupted
2024/05/08 11:19 android13-5.15-lts 5d96939590c0 4cf3f9b3 .config strace log report syz C [disk image] [vmlinux] [kernel image] ci2-android-5-15-perf BUG: soft lockup in corrupted
2024/05/06 20:39 android13-5.15-lts 5d96939590c0 d884b519 .config console log report syz C [disk image] [vmlinux] [kernel image] ci2-android-5-15 BUG: soft lockup in corrupted
2024/05/06 14:32 android13-5.15-lts 5d96939590c0 d884b519 .config console log report syz C [disk image] [vmlinux] [kernel image] ci2-android-5-15-perf BUG: soft lockup in corrupted
2024/05/03 19:39 android13-5.15-lts 5d96939590c0 dd26401e .config strace log report syz C [disk image] [vmlinux] [kernel image] ci2-android-5-15 BUG: soft lockup in corrupted
2024/05/01 15:06 android13-5.15-lts 5d96939590c0 3ba885bc .config console log report syz C [disk image] [vmlinux] [kernel image] ci2-android-5-15 BUG: soft lockup in corrupted
2024/04/28 17:58 android13-5.15-lts 5d96939590c0 07b455f9 .config strace log report syz C [disk image] [vmlinux] [kernel image] ci2-android-5-15 BUG: soft lockup in corrupted
2024/04/27 15:38 android13-5.15-lts 5d96939590c0 07b455f9 .config console log report syz C [disk image] [vmlinux] [kernel image] ci2-android-5-15-perf BUG: soft lockup in corrupted
2024/04/27 09:39 android13-5.15-lts 5d96939590c0 07b455f9 .config console log report syz C [disk image] [vmlinux] [kernel image] ci2-android-5-15 BUG: soft lockup in corrupted
2024/04/26 07:48 android13-5.15-lts 5d96939590c0 8bdc0f22 .config strace log report syz C [disk image] [vmlinux] [kernel image] ci2-android-5-15 BUG: soft lockup in corrupted
2024/04/26 03:51 android13-5.15-lts 5d96939590c0 8bdc0f22 .config console log report syz C [disk image] [vmlinux] [kernel image] ci2-android-5-15 BUG: soft lockup in corrupted
2024/04/26 01:45 android13-5.15-lts 5d96939590c0 8bdc0f22 .config strace log report syz C [disk image] [vmlinux] [kernel image] ci2-android-5-15 BUG: soft lockup in corrupted
2024/04/25 23:50 android13-5.15-lts 5d96939590c0 8bdc0f22 .config console log report syz C [disk image] [vmlinux] [kernel image] ci2-android-5-15 BUG: soft lockup in corrupted
2024/04/24 07:59 android13-5.15-lts ad06eaf051cd 21339d7b .config console log report syz C [disk image] [vmlinux] [kernel image] ci2-android-5-15-perf BUG: soft lockup in corrupted
2024/04/23 23:09 android13-5.15-lts ad06eaf051cd 21339d7b .config console log report syz C [disk image] [vmlinux] [kernel image] ci2-android-5-15 BUG: soft lockup in corrupted
2024/04/20 13:15 android13-5.15-lts ad06eaf051cd af24b050 .config console log report syz C [disk image] [vmlinux] [kernel image] ci2-android-5-15 BUG: soft lockup in corrupted
2024/04/20 00:37 android13-5.15-lts ad06eaf051cd af24b050 .config console log report syz C [disk image] [vmlinux] [kernel image] ci2-android-5-15-perf BUG: soft lockup in corrupted
2024/04/19 21:06 android13-5.15-lts ad06eaf051cd af24b050 .config console log report syz C [disk image] [vmlinux] [kernel image] ci2-android-5-15 BUG: soft lockup in corrupted
2024/04/17 07:11 android13-5.15-lts ad06eaf051cd 18f6e127 .config console log report syz C [disk image] [vmlinux] [kernel image] ci2-android-5-15 BUG: soft lockup in corrupted
2024/04/12 22:35 android13-5.15-lts 993bed180178 c8349e48 .config strace log report syz C [disk image] [vmlinux] [kernel image] ci2-android-5-15-perf BUG: soft lockup in corrupted
2024/04/11 09:00 android13-5.15-lts 993bed180178 33b9e058 .config strace log report syz C [disk image] [vmlinux] [kernel image] ci2-android-5-15 BUG: soft lockup in corrupted
* Struck through repros no longer work on HEAD.