BUG: unable to handle page fault for address: ffffffff813e39d6
#PF: supervisor write access in kernel mode
#PF: error_code(0x0003) - permissions violation
PGD 5e11067 P4D 5e11067 PUD 5e12063 PMD 12001e1
Oops: 0003 [#1] PREEMPT SMP KASAN
CPU: 0 PID: 488 Comm: kworker/0:7 Not tainted 5.4.274-syzkaller-00016-gdd432c37afcd #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024
Workqueue: events linkwatch_event
RIP: 0010:__hlist_del include/linux/list.h:791 [inline]
RIP: 0010:detach_timer kernel/time/timer.c:824 [inline]
RIP: 0010:expire_timers kernel/time/timer.c:1482 [inline]
RIP: 0010:__run_timers+0x7be/0xbe0 kernel/time/timer.c:1817
Code: 74 2e e8 e5 68 0f 00 49 83 c5 08 4c 89 e8 48 c1 e8 03 48 b9 00 00 00 00 00 fc ff df 80 3c 08 00 74 08 4c 89 ef e8 32 4e 3f 00 <4d> 89 65 00 eb 05 e8 b7 68 0f 00 49 bd 00 00 00 00 00 fc ff df 42
RSP: 0018:ffff8881f6e09d60 EFLAGS: 00010046
RAX: 1ffffffff027c73a RBX: 1ffff1103d67d639 RCX: dffffc0000000000
RDX: 0000000000000102 RSI: 0000000000000004 RDI: ffff8881f6e09ce0
RBP: ffff8881f6e09ec8 R08: dffffc0000000000 R09: 0000000000000003
R10: ffffffffffffffff R11: dffffc0000000001 R12: ffff8881f6e09e28
R13: ffffffff813e39d6 R14: 1ffff1103d67d638 R15: ffff8881eb3eb1c8
FS: 0000000000000000(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffffffff813e39d6 CR3: 00000001ee173000 CR4: 00000000003406b0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000600
Call Trace:
run_timer_softirq+0x63/0xf0 kernel/time/timer.c:1830
__do_softirq+0x23b/0x6b7 kernel/softirq.c:292
invoke_softirq kernel/softirq.c:373 [inline]
irq_exit+0x195/0x1c0 kernel/softirq.c:413
exiting_irq arch/x86/include/asm/apic.h:538 [inline]
smp_apic_timer_interrupt+0x11a/0x460 arch/x86/kernel/apic/apic.c:1149
apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:834
RIP: 0010:native_restore_fl arch/x86/include/asm/irqflags.h:41 [inline]
RIP: 0010:arch_local_irq_restore arch/x86/include/asm/irqflags.h:84 [inline]
RIP: 0010:console_unlock+0xa62/0xfa0 kernel/printk/printk.c:2527
Code: 03 84 db 4c 8d ac 24 00 01 00 00 0f 85 13 05 00 00 e8 52 e5 16 00 e8 5d 5f 00 00 48 8b 44 24 20 48 89 44 24 70 ff 74 24 70 9d 99 f7 ff ff e8 34 e5 16 00 48 c7 05 c9 76 9e 05 00 00 00 00 e9
RSP: 0018:ffff8881ebdb7740 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13
RAX: 0000000000000246 RBX: 0000000000000000 RCX: ffff8881ed7dbf00
RDX: 0000000000000000 RSI: 0000000000000004 RDI: 0000000000000001
RBP: ffff8881ebdb78f0 R08: dffffc0000000000 R09: 0000000000000003
R10: ffffffffffffffff R11: dffffc0000000001 R12: dffffc0000000000
R13: ffff8881ebdb7840 R14: 0000000000000000 R15: ffffffff812eeb30
vprintk_emit+0x1e0/0x3f0 kernel/printk/printk.c:2032
printk+0xd1/0x111 kernel/printk/printk.c:2092
addrconf_notify+0x943/0xe50 net/ipv6/addrconf.c:3636
notifier_call_chain kernel/notifier.c:98 [inline]
__raw_notifier_call_chain kernel/notifier.c:399 [inline]
raw_notifier_call_chain+0x95/0x110 kernel/notifier.c:406
call_netdevice_notifiers_info net/core/dev.c:1670 [inline]
netdev_state_change+0x146/0x1e0 net/core/dev.c:1273
linkwatch_do_dev+0xfc/0x130 net/core/link_watch.c:159
__linkwatch_run_queue+0x4cc/0x7f0 net/core/link_watch.c:205
linkwatch_event+0x48/0x50 net/core/link_watch.c:244
process_one_work+0x765/0xd20 kernel/workqueue.c:2290
worker_thread+0xaef/0x1470 kernel/workqueue.c:2436
kthread+0x2da/0x360 kernel/kthread.c:288
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:354
Modules linked in:
CR2: ffffffff813e39d6
---[ end trace 98be9d17ab672d49 ]---
RIP: 0010:__hlist_del include/linux/list.h:791 [inline]
RIP: 0010:detach_timer kernel/time/timer.c:824 [inline]
RIP: 0010:expire_timers kernel/time/timer.c:1482 [inline]
RIP: 0010:__run_timers+0x7be/0xbe0 kernel/time/timer.c:1817
Code: 74 2e e8 e5 68 0f 00 49 83 c5 08 4c 89 e8 48 c1 e8 03 48 b9 00 00 00 00 00 fc ff df 80 3c 08 00 74 08 4c 89 ef e8 32 4e 3f 00 <4d> 89 65 00 eb 05 e8 b7 68 0f 00 49 bd 00 00 00 00 00 fc ff df 42
RSP: 0018:ffff8881f6e09d60 EFLAGS: 00010046
RAX: 1ffffffff027c73a RBX: 1ffff1103d67d639 RCX: dffffc0000000000
RDX: 0000000000000102 RSI: 0000000000000004 RDI: ffff8881f6e09ce0
RBP: ffff8881f6e09ec8 R08: dffffc0000000000 R09: 0000000000000003
R10: ffffffffffffffff R11: dffffc0000000001 R12: ffff8881f6e09e28
R13: ffffffff813e39d6 R14: 1ffff1103d67d638 R15: ffff8881eb3eb1c8
FS: 0000000000000000(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffffffff813e39d6 CR3: 00000001ee173000 CR4: 00000000003406b0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000600
----------------
Code disassembly (best guess):
0: 74 2e je 0x30
2: e8 e5 68 0f 00 call 0xf68ec
7: 49 83 c5 08 add $0x8,%r13
b: 4c 89 e8 mov %r13,%rax
e: 48 c1 e8 03 shr $0x3,%rax
12: 48 b9 00 00 00 00 00 movabs $0xdffffc0000000000,%rcx
19: fc ff df
1c: 80 3c 08 00 cmpb $0x0,(%rax,%rcx,1)
20: 74 08 je 0x2a
22: 4c 89 ef mov %r13,%rdi
25: e8 32 4e 3f 00 call 0x3f4e5c
* 2a: 4d 89 65 00 mov %r12,0x0(%r13) <-- trapping instruction
2e: eb 05 jmp 0x35
30: e8 b7 68 0f 00 call 0xf68ec
35: 49 bd 00 00 00 00 00 movabs $0xdffffc0000000000,%r13
3c: fc ff df
3f: 42 rex.X