BUG: unable to handle page fault for address: ffffffff919c1b50
#PF: supervisor read access in kernel mode
#PF: error_code(0x0000) - not-present page
PGD e93c067 P4D e93c067 PUD e93d063 PMD 35620063 PTE 800fffffee63e062
Oops: Oops: 0000 [#1] PREEMPT SMP KASAN PTI
CPU: 0 UID: 0 PID: 9 Comm: kworker/0:1 Not tainted 6.14.0-rc5-syzkaller-00109-g0f52fd4f67c6 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
Workqueue: rcu_gp process_srcu
RIP: 0010:__queue_work+0x5a6/0x1090 kernel/workqueue.c:2271
Code: 89 ef e8 7d 6f 9d 00 48 03 5d 00 48 89 d8 48 c1 e8 03 48 bd 00 00 00 00 00 fc ff df 80 3c 28 00 74 08 48 89 df e8 5a 6f 9d 00 <4c> 8b 2b e8 b2 b1 77 0a 89 c3 31 ff 89 c6 e8 47 bf 38 00 85 db 74
RSP: 0018:ffffc900000e7888 EFLAGS: 00010046
RAX: 1ffffffff233836a RBX: ffffffff919c1b50 RCX: dffffc0000000000
RDX: 0000000000000000 RSI: 0000000000000002 RDI: 0000000000000008
RBP: dffffc0000000000 R08: ffffffff818912db R09: 1ffffffff28a2908
R10: dffffc0000000000 R11: fffffbfff28a2909 R12: 1ffff110036105b8
R13: ffff88801b082c00 R14: 0000000000000002 R15: ffffe8ffffc7c7a0
FS: 0000000000000000(0000) GS:ffff8880b8600000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffffffff919c1b50 CR3: 000000005f0ce000 CR4: 00000000003526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
<TASK>
queue_work_on+0x1c2/0x380 kernel/workqueue.c:2392
srcu_queue_delayed_work_on kernel/rcu/srcutree.c:831 [inline]
srcu_schedule_cbs_sdp kernel/rcu/srcutree.c:844 [inline]
srcu_gp_end kernel/rcu/srcutree.c:911 [inline]
srcu_advance_state kernel/rcu/srcutree.c:1747 [inline]
process_srcu+0xf0d/0x12e0 kernel/rcu/srcutree.c:1851
process_one_work kernel/workqueue.c:3238 [inline]
process_scheduled_works+0xabe/0x18e0 kernel/workqueue.c:3319
worker_thread+0x870/0xd30 kernel/workqueue.c:3400
kthread+0x7a9/0x920 kernel/kthread.c:464
ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:148
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
</TASK>
Modules linked in:
CR2: ffffffff919c1b50
---[ end trace 0000000000000000 ]---
RIP: 0010:__queue_work+0x5a6/0x1090 kernel/workqueue.c:2271
Code: 89 ef e8 7d 6f 9d 00 48 03 5d 00 48 89 d8 48 c1 e8 03 48 bd 00 00 00 00 00 fc ff df 80 3c 28 00 74 08 48 89 df e8 5a 6f 9d 00 <4c> 8b 2b e8 b2 b1 77 0a 89 c3 31 ff 89 c6 e8 47 bf 38 00 85 db 74
RSP: 0018:ffffc900000e7888 EFLAGS: 00010046
RAX: 1ffffffff233836a RBX: ffffffff919c1b50 RCX: dffffc0000000000
RDX: 0000000000000000 RSI: 0000000000000002 RDI: 0000000000000008
RBP: dffffc0000000000 R08: ffffffff818912db R09: 1ffffffff28a2908
R10: dffffc0000000000 R11: fffffbfff28a2909 R12: 1ffff110036105b8
R13: ffff88801b082c00 R14: 0000000000000002 R15: ffffe8ffffc7c7a0
FS: 0000000000000000(0000) GS:ffff8880b8600000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffffffff919c1b50 CR3: 000000005f0ce000 CR4: 00000000003526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
----------------
Code disassembly (best guess):
0: 89 ef mov %ebp,%edi
2: e8 7d 6f 9d 00 call 0x9d6f84
7: 48 03 5d 00 add 0x0(%rbp),%rbx
b: 48 89 d8 mov %rbx,%rax
e: 48 c1 e8 03 shr $0x3,%rax
12: 48 bd 00 00 00 00 00 movabs $0xdffffc0000000000,%rbp
19: fc ff df
1c: 80 3c 28 00 cmpb $0x0,(%rax,%rbp,1)
20: 74 08 je 0x2a
22: 48 89 df mov %rbx,%rdi
25: e8 5a 6f 9d 00 call 0x9d6f84
* 2a: 4c 8b 2b mov (%rbx),%r13 <-- trapping instruction
2d: e8 b2 b1 77 0a call 0xa77b1e4
32: 89 c3 mov %eax,%ebx
34: 31 ff xor %edi,%edi
36: 89 c6 mov %eax,%esi
38: e8 47 bf 38 00 call 0x38bf84
3d: 85 db test %ebx,%ebx
3f: 74 .byte 0x74