Oops: general protection fault, probably for non-canonical address 0xdffffc0000000038: 0000 [#1] SMP KASAN PTI
KASAN: null-ptr-deref in range [0x00000000000001c0-0x00000000000001c7]
CPU: 0 UID: 0 PID: 5188 Comm: acpid Tainted: G L syzkaller #0 PREEMPT(full)
Tainted: [L]=SOFTLOCKUP
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/13/2026
RIP: 0010:__queue_work+0xa2/0xf90 kernel/workqueue.c:2269
Code: 11 31 ff 89 ee e8 4e f4 37 00 85 ed 0f 85 ef 0c 00 00 e8 01 f0 37 00 4d 8d b7 c0 01 00 00 4c 89 f0 48 c1 e8 03 48 89 44 24 28 <42> 0f b6 04 20 84 c0 0f 85 22 0d 00 00 4c 89 34 24 41 8b 2e 89 ee
RSP: 0018:ffffc90000006db8 EFLAGS: 00010002
RAX: 0000000000000038 RBX: 0000000000000008 RCX: 0000000000040000
RDX: ffffc90002151000 RSI: 0000000000000522 RDI: 0000000000000523
RBP: 0000000000000000 R08: ffff888020ffa017 R09: 1ffff110041ff402
R10: dffffc0000000000 R11: ffffed10041ff403 R12: dffffc0000000000
R13: ffff888020ffa010 R14: 00000000000001c0 R15: 0000000000000000
FS: 00007f74a809e740(0000) GS:ffff888125063000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fdb438050a8 CR3: 0000000037726000 CR4: 00000000003526f0
Call Trace:
queue_work_on+0x106/0x1d0 kernel/workqueue.c:2405
put_queue drivers/tty/vt/keyboard.c:328 [inline]
to_utf8+0x872/0x1ad0 drivers/tty/vt/keyboard.c:-1
put_queue_utf8 drivers/tty/vt/keyboard.c:382 [inline]
k_unicode drivers/tty/vt/keyboard.c:683 [inline]
k_self+0x326/0x7e0 drivers/tty/vt/keyboard.c:701
kbd_keycode drivers/tty/vt/keyboard.c:1497 [inline]
kbd_event+0x2ec1/0x40d0 drivers/tty/vt/keyboard.c:1515
input_handle_events_default+0xd4/0x1a0 drivers/input/input.c:2541
input_pass_values+0x288/0x890 drivers/input/input.c:128
input_event_dispose+0x3e5/0x6b0 drivers/input/input.c:353
input_event+0x89/0xe0 drivers/input/input.c:396
hidinput_hid_event+0x1487/0x1e60 drivers/hid/hid-input.c:1747
hid_process_event+0x4be/0x620 drivers/hid/hid-core.c:1565
hid_input_array_field+0x297/0x5f0 drivers/hid/hid-core.c:1669
hid_process_report drivers/hid/hid-core.c:1719 [inline]
hid_report_raw_event+0xdd7/0x1720 drivers/hid/hid-core.c:2074
__hid_input_report drivers/hid/hid-core.c:2144 [inline]
hid_input_report+0x44b/0x580 drivers/hid/hid-core.c:2166
hid_irq_in+0x47e/0x6d0 drivers/hid/usbhid/hid-core.c:286
__usb_hcd_giveback_urb+0x376/0x540 drivers/usb/core/hcd.c:1657
dummy_timer+0xbbd/0x45d0 drivers/usb/gadget/udc/dummy_hcd.c:1995
__run_hrtimer kernel/time/hrtimer.c:1785 [inline]
__hrtimer_run_queues+0x529/0xc30 kernel/time/hrtimer.c:1849
hrtimer_run_softirq+0x182/0x5a0 kernel/time/hrtimer.c:1866
handle_softirqs+0x22a/0x7c0 kernel/softirq.c:626
__do_softirq kernel/softirq.c:660 [inline]
invoke_softirq kernel/softirq.c:496 [inline]
__irq_exit_rcu+0x5f/0x150 kernel/softirq.c:727
irq_exit_rcu+0x9/0x30 kernel/softirq.c:743
instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1056 [inline]
sysvec_apic_timer_interrupt+0xa6/0xc0 arch/x86/kernel/apic/apic.c:1056
asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:697
RIP: 0010:EXT4_SB fs/ext4/ext4.h:1808 [inline]
RIP: 0010:ext4_has_feature_project fs/ext4/ext4.h:2211 [inline]
RIP: 0010:__ext4_iget+0xee5/0x4290 fs/ext4/inode.c:5238
Code: 04 38 84 c0 0f 85 6f 25 00 00 0f b7 03 89 44 24 40 48 8b 44 24 68 42 80 3c 38 00 48 8b 5c 24 70 74 08 48 89 df e8 ab 32 aa ff <4c> 8b 3b 49 8d 5f 68 48 89 d8 48 c1 e8 03 48 b9 00 00 00 00 00 fc
RSP: 0018:ffffc90003077460 EFLAGS: 00000246
RAX: 1ffff11006af58c7 RBX: ffff8880357ac638 RCX: ffff888037761e40
RDX: 0000000000000000 RSI: 00000000626910d5 RDI: ffff88803634d802
RBP: ffffc900030775f0 R08: ffff888034d70e87 R09: 1ffff110069ae1d0
R10: dffffc0000000000 R11: ffffed10069ae1d1 R12: ffff88805153a940
R13: 0000000000000000 R14: ffff88803634d800 R15: dffffc0000000000
ext4_lookup+0x288/0x710 fs/ext4/namei.c:1785
__lookup_slow+0x2b7/0x410 fs/namei.c:1916
lookup_slow+0x53/0x70 fs/namei.c:1933
walk_component fs/namei.c:2279 [inline]
link_path_walk+0xd1e/0x18d0 fs/namei.c:2647
path_lookupat+0xe4/0x8c0 fs/namei.c:2803
filename_lookup+0x256/0x5d0 fs/namei.c:2833
vfs_statx+0xfc/0x200 fs/stat.c:353
vfs_fstatat+0x11b/0x170 fs/stat.c:373
__do_sys_newfstatat fs/stat.c:538 [inline]
__se_sys_newfstatat fs/stat.c:532 [inline]
__x64_sys_newfstatat+0x151/0x200 fs/stat.c:532
do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
do_syscall_64+0xe2/0xf80 arch/x86/entry/syscall_64.c:94
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f74a8192b0a
Code: 48 8b 15 f1 f2 0d 00 f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 41 89 ca b8 06 01 00 00 0f 05 <3d> 00 f0 ff ff 77 07 31 c0 c3 0f 1f 40 00 48 8b 15 b9 f2 0d 00 f7
RSP: 002b:00007ffe6ca154c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000106
RAX: ffffffffffffffda RBX: 00007ffe6ca155a0 RCX: 00007f74a8192b0a
RDX: 00007ffe6ca154d0 RSI: 0000562cc37b32a8 RDI: 00000000ffffff9c
RBP: 00007ffe6ca155a0 R08: 0000000000000064 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000562cc37b31e4
R13: 0000562cdad42360 R14: 0000000000000006 R15: 000000000000000a
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:__queue_work+0xa2/0xf90 kernel/workqueue.c:2269
Code: 11 31 ff 89 ee e8 4e f4 37 00 85 ed 0f 85 ef 0c 00 00 e8 01 f0 37 00 4d 8d b7 c0 01 00 00 4c 89 f0 48 c1 e8 03 48 89 44 24 28 <42> 0f b6 04 20 84 c0 0f 85 22 0d 00 00 4c 89 34 24 41 8b 2e 89 ee
RSP: 0018:ffffc90000006db8 EFLAGS: 00010002
RAX: 0000000000000038 RBX: 0000000000000008 RCX: 0000000000040000
RDX: ffffc90002151000 RSI: 0000000000000522 RDI: 0000000000000523
RBP: 0000000000000000 R08: ffff888020ffa017 R09: 1ffff110041ff402
R10: dffffc0000000000 R11: ffffed10041ff403 R12: dffffc0000000000
R13: ffff888020ffa010 R14: 00000000000001c0 R15: 0000000000000000
FS: 00007f74a809e740(0000) GS:ffff888125063000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fdb438050a8 CR3: 0000000037726000 CR4: 00000000003526f0
----------------
Code disassembly (best guess), 1 bytes skipped:
0: 31 ff xor %edi,%edi
2: 89 ee mov %ebp,%esi
4: e8 4e f4 37 00 call 0x37f457
9: 85 ed test %ebp,%ebp
b: 0f 85 ef 0c 00 00 jne 0xd00
11: e8 01 f0 37 00 call 0x37f017
16: 4d 8d b7 c0 01 00 00 lea 0x1c0(%r15),%r14
1d: 4c 89 f0 mov %r14,%rax
20: 48 c1 e8 03 shr $0x3,%rax
24: 48 89 44 24 28 mov %rax,0x28(%rsp)
* 29: 42 0f b6 04 20 movzbl (%rax,%r12,1),%eax <-- trapping instruction
2e: 84 c0 test %al,%al
30: 0f 85 22 0d 00 00 jne 0xd58
36: 4c 89 34 24 mov %r14,(%rsp)
3a: 41 8b 2e mov (%r14),%ebp
3d: 89 ee mov %ebp,%esi