BUG: unable to handle page fault for address: fffffbfff3f8171b
#PF: supervisor read access in kernel mode
#PF: error_code(0x0000) - not-present page
PGD 23ffe4067 P4D 23ffe4067 PUD 23ffe3067 PMD 0
Oops: Oops: 0000 [#1] PREEMPT SMP KASAN NOPTI
CPU: 0 UID: 0 PID: 8677 Comm: syz.3.569 Not tainted 6.13.0-rc4-syzkaller-00012-g9b2ffa6148b1 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
RIP: 0010:bytes_is_nonzero mm/kasan/generic.c:87 [inline]
RIP: 0010:memory_is_nonzero mm/kasan/generic.c:104 [inline]
RIP: 0010:memory_is_poisoned_n mm/kasan/generic.c:129 [inline]
RIP: 0010:memory_is_poisoned mm/kasan/generic.c:161 [inline]
RIP: 0010:check_region_inline mm/kasan/generic.c:180 [inline]
RIP: 0010:kasan_check_range+0x82/0x290 mm/kasan/generic.c:189
Code: 01 00 00 00 00 fc ff df 4f 8d 3c 31 4c 89 fd 4c 29 dd 48 83 fd 10 7f 29 48 85 ed 0f 84 3e 01 00 00 4c 89 cd 48 f7 d5 48 01 dd <41> 80 3b 00 0f 85 c9 01 00 00 49 ff c3 48 ff c5 75 ee e9 1e 01 00
RSP: 0018:ffffc90000007900 EFLAGS: 00010086
RAX: 000000000172ce01 RBX: 1ffffffff3f8171b RCX: ffffffff817ac1c4
RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffffffff9fc0b8d8
RBP: ffffffffffffffff R08: ffffffff9fc0b8df R09: 1ffffffff3f8171b
R10: dffffc0000000000 R11: fffffbfff3f8171b R12: ffff8880311564c4
R13: ffff888031155a00 R14: dffffc0000000001 R15: fffffbfff3f8171c
FS: 0000555580a64500(0000) GS:ffff8880b8600000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: fffffbfff3f8171b CR3: 0000000050abc000 CR4: 0000000000350ef0
Call Trace:
instrument_atomic_read include/linux/instrumented.h:68 [inline]
_test_bit include/asm-generic/bitops/instrumented-non-atomic.h:141 [inline]
__lock_acquire+0xc94/0x2100 kernel/locking/lockdep.c:5196
lock_acquire+0x1ed/0x550 kernel/locking/lockdep.c:5849
_raw_spin_lock_nested+0x31/0x40 kernel/locking/spinlock.c:378
raw_spin_rq_lock_nested+0xb0/0x140 kernel/sched/core.c:606
raw_spin_rq_lock kernel/sched/sched.h:1523 [inline]
rq_lock kernel/sched/sched.h:1822 [inline]
ttwu_queue kernel/sched/core.c:3991 [inline]
try_to_wake_up+0x7e2/0x1470 kernel/sched/core.c:4321
hrtimer_wakeup+0x62/0x80 kernel/time/hrtimer.c:1975
__run_hrtimer kernel/time/hrtimer.c:1739 [inline]
__hrtimer_run_queues+0x59d/0xd30 kernel/time/hrtimer.c:1803
hrtimer_interrupt+0x403/0xa40 kernel/time/hrtimer.c:1865
local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1038 [inline]
__sysvec_apic_timer_interrupt+0x112/0x420 arch/x86/kernel/apic/apic.c:1055
instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1049 [inline]
sysvec_apic_timer_interrupt+0xa1/0xc0 arch/x86/kernel/apic/apic.c:1049
asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702
RIP: 0010:srso_alias_safe_ret+0x0/0x7 arch/x86/lib/retpoline.S:171
Code: cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc <48> 8d 64 24 08 c3 cc e8 f4 ff ff ff 0f 0b cc cc cc cc cc cc cc cc
RSP: 0018:ffffc90002fe7310 EFLAGS: 00000282
RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffff888031155a00
RDX: 0000000000000000 RSI: ffffffff8c5fb040 RDI: ffffffff8c5fb000
RBP: 00000000000001a0 R08: ffffffff821162de R09: 1ffffffff2854910
R10: dffffc0000000000 R11: fffffbfff2854911 R12: 000000000006d1c3
R13: 0000000000000001 R14: ffffffff82116210 R15: ffff88801c380000
srso_alias_return_thunk+0x5/0xfbef5 arch/x86/lib/retpoline.S:181
rcu_is_watching_curr_cpu include/linux/context_tracking.h:128 [inline]
rcu_is_watching+0x15/0xb0 kernel/rcu/tree.c:737
rcu_read_lock_held_common kernel/rcu/update.c:109 [inline]
rcu_read_lock_held+0x15/0x50 kernel/rcu/update.c:349
lookup_page_ext mm/page_ext.c:254 [inline]
page_ext_get+0x192/0x2a0 mm/page_ext.c:526
page_table_check_set+0x4f/0x540 mm/page_table_check.c:114
__page_table_check_ptes_set+0x30f/0x410 mm/page_table_check.c:225
page_table_check_ptes_set include/linux/page_table_check.h:74 [inline]
set_ptes include/linux/pgtable.h:288 [inline]
insert_page_into_pte_locked+0x5e7/0x6c0 mm/memory.c:2075
insert_page mm/memory.c:2093 [inline]
vm_insert_page+0x4c1/0x710 mm/memory.c:2243
kcov_mmap+0xd7/0x140 kernel/kcov.c:506
call_mmap include/linux/fs.h:2183 [inline]
mmap_file mm/internal.h:124 [inline]
__mmap_new_file_vma mm/vma.c:2291 [inline]
__mmap_new_vma mm/vma.c:2355 [inline]
__mmap_region+0x2250/0x2d30 mm/vma.c:2456
mmap_region+0x226/0x2c0 mm/mmap.c:1348
do_mmap+0x8f0/0x1000 mm/mmap.c:496
vm_mmap_pgoff+0x1dd/0x3d0 mm/util.c:580
ksys_mmap_pgoff+0x4eb/0x720 mm/mmap.c:542
do_syscall_x64 arch/x86/entry/common.c:52 [inline]
do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7efefa385d63
Code: f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 41 89 ca 41 f7 c1 ff 0f 00 00 75 14 b8 09 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 25 c3 0f 1f 40 00 48 c7 c0 a8 ff ff ff 64 c7
RSP: 002b:00007fff84211058 EFLAGS: 00000246 ORIG_RAX: 0000000000000009
RAX: ffffffffffffffda RBX: 00007efefa5762d8 RCX: 00007efefa385d63
RDX: 0000000000000003 RSI: 0000000000400000 RDI: 00007efef7df6000
RBP: 00007efefa576240 R08: 00000000000000db R09: 0000000000000000
R10: 0000000000000011 R11: 0000000000000246 R12: 0000000000000003
R13: 00007efefa576240 R14: 0000000000000003 R15: 0000000000000076
Modules linked in:
CR2: fffffbfff3f8171b
---[ end trace 0000000000000000 ]---
RIP: 0010:bytes_is_nonzero mm/kasan/generic.c:87 [inline]
RIP: 0010:memory_is_nonzero mm/kasan/generic.c:104 [inline]
RIP: 0010:memory_is_poisoned_n mm/kasan/generic.c:129 [inline]
RIP: 0010:memory_is_poisoned mm/kasan/generic.c:161 [inline]
RIP: 0010:check_region_inline mm/kasan/generic.c:180 [inline]
RIP: 0010:kasan_check_range+0x82/0x290 mm/kasan/generic.c:189
Code: 01 00 00 00 00 fc ff df 4f 8d 3c 31 4c 89 fd 4c 29 dd 48 83 fd 10 7f 29 48 85 ed 0f 84 3e 01 00 00 4c 89 cd 48 f7 d5 48 01 dd <41> 80 3b 00 0f 85 c9 01 00 00 49 ff c3 48 ff c5 75 ee e9 1e 01 00
RSP: 0018:ffffc90000007900 EFLAGS: 00010086
RAX: 000000000172ce01 RBX: 1ffffffff3f8171b RCX: ffffffff817ac1c4
RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffffffff9fc0b8d8
RBP: ffffffffffffffff R08: ffffffff9fc0b8df R09: 1ffffffff3f8171b
R10: dffffc0000000000 R11: fffffbfff3f8171b R12: ffff8880311564c4
R13: ffff888031155a00 R14: dffffc0000000001 R15: fffffbfff3f8171c
FS: 0000555580a64500(0000) GS:ffff8880b8600000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: fffffbfff3f8171b CR3: 0000000050abc000 CR4: 0000000000350ef0
----------------
Code disassembly (best guess), 7 bytes skipped:
0: df 4f 8d fisttps -0x73(%rdi)
3: 3c 31 cmp $0x31,%al
5: 4c 89 fd mov %r15,%rbp
8: 4c 29 dd sub %r11,%rbp
b: 48 83 fd 10 cmp $0x10,%rbp
f: 7f 29 jg 0x3a
11: 48 85 ed test %rbp,%rbp
14: 0f 84 3e 01 00 00 je 0x158
1a: 4c 89 cd mov %r9,%rbp
1d: 48 f7 d5 not %rbp
20: 48 01 dd add %rbx,%rbp
* 23: 41 80 3b 00 cmpb $0x0,(%r11) <-- trapping instruction
27: 0f 85 c9 01 00 00 jne 0x1f6
2d: 49 ff c3 inc %r11
30: 48 ff c5 inc %rbp
33: 75 ee jne 0x23
35: e9 .byte 0xe9
36: 1e (bad)
37: 01 00 add %eax,(%rax)