general protection fault, probably for non-canonical address 0xdffffc00216dcf08: 0000 [#1] PREEMPT SMP KASAN
KASAN: probably user-memory-access in range [0x000000010b6e7840-0x000000010b6e7847]
CPU: 0 PID: 1138 Comm: kworker/u4:6 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
Workqueue: btrfs-endio btrfs_end_bio_work
RIP: 0010:__wake_up_common+0x23c/0x4e0 kernel/sched/wait.c:100
Code: 24 00 00 00 00 49 83 c5 40 4d 39 ef 0f 84 ed 01 00 00 45 31 f6 eb 09 4d 39 ef 0f 84 df 01 00 00 4c 89 fd 4c 89 f8 48 c1 e8 03 <80> 3c 10 00 74 12 48 89 ef e8 a6 cd 79 00 48 ba 00 00 00 00 00 fc
RSP: 0018:ffffc900045cf898 EFLAGS: 00010002
RAX: 00000000216dcf08 RBX: 0000000000000001 RCX: 1f255747761e1e00
RDX: dffffc0000000000 RSI: ffffffff8acadd60 RDI: ffffffff8b1c9860
RBP: 000000010b6e7840 R08: 0000000000000000 R09: ffffc900045cf940
R10: dffffc0000000000 R11: fffff520008b9efc R12: ffffc9000b6e7800
R13: ffffc9000b6e7840 R14: 0000000000000000 R15: 000000010b6e7840
FS: 0000000000000000(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f9ce67ea540 CR3: 000000006afd5000 CR4: 00000000003506f0
Call Trace:
<TASK>
__wake_up_common_lock kernel/sched/wait.c:138 [inline]
__wake_up+0x125/0x1a0 kernel/sched/wait.c:160
btrfs_encoded_read_endio+0xd1/0x130 fs/btrfs/inode.c:10060
btrfs_check_read_bio+0xf54/0x15d0 fs/btrfs/bio.c:320
process_one_work kernel/workqueue.c:2653 [inline]
process_scheduled_works+0xa5d/0x15d0 kernel/workqueue.c:2730
worker_thread+0xa55/0xfc0 kernel/workqueue.c:2811
kthread+0x2fa/0x390 kernel/kthread.c:388
ret_from_fork+0x48/0x80 arch/x86/kernel/process.c:152
ret_from_fork_asm+0x11/0x20 arch/x86/entry/entry_64.S:293
</TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:__wake_up_common+0x23c/0x4e0 kernel/sched/wait.c:100
Code: 24 00 00 00 00 49 83 c5 40 4d 39 ef 0f 84 ed 01 00 00 45 31 f6 eb 09 4d 39 ef 0f 84 df 01 00 00 4c 89 fd 4c 89 f8 48 c1 e8 03 <80> 3c 10 00 74 12 48 89 ef e8 a6 cd 79 00 48 ba 00 00 00 00 00 fc
RSP: 0018:ffffc900045cf898 EFLAGS: 00010002
RAX: 00000000216dcf08 RBX: 0000000000000001 RCX: 1f255747761e1e00
RDX: dffffc0000000000 RSI: ffffffff8acadd60 RDI: ffffffff8b1c9860
RBP: 000000010b6e7840 R08: 0000000000000000 R09: ffffc900045cf940
R10: dffffc0000000000 R11: fffff520008b9efc R12: ffffc9000b6e7800
R13: ffffc9000b6e7840 R14: 0000000000000000 R15: 000000010b6e7840
FS: 0000000000000000(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f9ce67ea540 CR3: 000000006afd5000 CR4: 00000000003506f0
----------------
Code disassembly (best guess), 1 bytes skipped:
0: 00 00 add %al,(%rax)
2: 00 00 add %al,(%rax)
4: 49 83 c5 40 add $0x40,%r13
8: 4d 39 ef cmp %r13,%r15
b: 0f 84 ed 01 00 00 je 0x1fe
11: 45 31 f6 xor %r14d,%r14d
14: eb 09 jmp 0x1f
16: 4d 39 ef cmp %r13,%r15
19: 0f 84 df 01 00 00 je 0x1fe
1f: 4c 89 fd mov %r15,%rbp
22: 4c 89 f8 mov %r15,%rax
25: 48 c1 e8 03 shr $0x3,%rax
* 29: 80 3c 10 00 cmpb $0x0,(%rax,%rdx,1) <-- trapping instruction
2d: 74 12 je 0x41
2f: 48 89 ef mov %rbp,%rdi
32: e8 a6 cd 79 00 call 0x79cddd
37: 48 rex.W
38: ba 00 00 00 00 mov $0x0,%edx
3d: 00 fc add %bh,%ah