BUG: unable to handle page fault for address: ffffffff819fa5ec
#PF: supervisor write access in kernel mode
#PF: error_code(0x0003) - permissions violation
PGD 5e11067 P4D 5e11067 PUD 5e12063 PMD 18001e1
Oops: 0003 [#1] PREEMPT SMP KASAN
CPU: 1 PID: 539 Comm: syz.3.46 Not tainted 5.4.274-syzkaller-00002-g6f97bd951d82 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024
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 52 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:ffff8881f6f09d60 EFLAGS: 00010046
RAX: 1ffffffff033f4bd RBX: 1ffff1103cded639 RCX: dffffc0000000000
RDX: 0000000000000101 RSI: 0000000000000004 RDI: ffff8881f6f09ce0
RBP: ffff8881f6f09ec8 R08: dffffc0000000000 R09: 0000000000000003
R10: ffffffffffffffff R11: dffffc0000000001 R12: ffff8881f6f09e20
R13: ffffffff819fa5ec R14: 1ffff1103cded638 R15: ffff8881e6f6b1c8
FS: 00007f5b60bba6c0(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffffffff819fa5ec CR3: 00000001d91cf000 CR4: 00000000003406a0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
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:__sanitizer_cov_trace_const_cmp4+0x0/0x70 kernel/kcov.c:275
Code: 28 4c 39 d0 77 cf 89 f8 89 f6 48 c7 44 0a 08 03 00 00 00 48 89 44 0a 10 48 89 74 0a 18 4c 89 44 0a 20 49 ff c1 4c 89 09 c3 90 <4c> 8b 04 24 65 48 8b 05 64 4e 9e 7e 65 8b 0d 69 4e 9e 7e f7 c1 00
RSP: 0018:ffff8881eb237258 EFLAGS: 00000203 ORIG_RAX: ffffffffffffff13
RAX: ffffffff818961cc RBX: ffff8881ec8d3b90 RCX: ffff8881eb680fc0
RDX: 0000000000000000 RSI: 0000000000000004 RDI: 0000000000000004
RBP: 00007f5b61c6c000 R08: ffffffff818961b8 R09: ffff8881eb2373e0
R10: 0000000000000000 R11: dffffc0000000001 R12: 00007f5b61995000
R13: 0000000000000004 R14: ffff8881eb681470 R15: ffff8881eb680fc0
vmacache_find+0x2ec/0x4b0 mm/vmacache.c:85
find_vma mm/mmap.c:2250 [inline]
find_extend_vma+0x35/0x290 mm/mmap.c:2564
__get_user_pages+0x251/0x13b0 mm/gup.c:829
get_dump_page+0x116/0x1a0 mm/gup.c:1363
elf_core_dump+0x3de9/0x4740 fs/binfmt_elf.c:2349
do_coredump+0x20fb/0x2f00 fs/coredump.c:801
get_signal+0xd83/0x1440 kernel/signal.c:2729
do_signal+0xb0/0x11f0 arch/x86/kernel/signal.c:809
exit_to_usermode_loop+0xc0/0x1a0 arch/x86/entry/common.c:159
prepare_exit_to_usermode+0x199/0x200 arch/x86/entry/common.c:194
ret_from_intr+0x1c/0x1c
RIP: 0033:0x7f5b61938af1
Code: 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 48 3d 01 f0 ff ff 73 01 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f
RSP: 002b:0008000000000000 EFLAGS: 00010217
RAX: 0000000000000000 RBX: 00007f5b61ac6fa0 RCX: 00007f5b61938ae9
RDX: 0000000000000000 RSI: 0008000000000000 RDI: 0000000000000000
RBP: 00007f5b619b9746 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000000b R14: 00007f5b61ac6fa0 R15: 00007ffca67bcc98
Modules linked in:
CR2: ffffffff819fa5ec
---[ end trace c4f0baa8fcc0e8e1 ]---
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 52 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:ffff8881f6f09d60 EFLAGS: 00010046
RAX: 1ffffffff033f4bd RBX: 1ffff1103cded639 RCX: dffffc0000000000
RDX: 0000000000000101 RSI: 0000000000000004 RDI: ffff8881f6f09ce0
RBP: ffff8881f6f09ec8 R08: dffffc0000000000 R09: 0000000000000003
R10: ffffffffffffffff R11: dffffc0000000001 R12: ffff8881f6f09e20
R13: ffffffff819fa5ec R14: 1ffff1103cded638 R15: ffff8881e6f6b1c8
FS: 00007f5b60bba6c0(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffffffff819fa5ec CR3: 00000001d91cf000 CR4: 00000000003406a0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
----------------
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 52 4e 3f 00 call 0x3f4e7c
* 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