Oops: general protection fault, probably for non-canonical address 0xdffffc0000000007: 0000 [#1] PREEMPT SMP KASAN NOPTI
KASAN: null-ptr-deref in range [0x0000000000000038-0x000000000000003f]
CPU: 1 UID: 0 PID: 5826 Comm: kworker/u9:2 Not tainted 6.13.0-rc3-syzkaller-00044-gaef25be35d23 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/25/2024
Workqueue: hci6 hci_conn_timeout
RIP: 0010:hci_abort_conn+0x147/0x330 net/bluetooth/hci_conn.c:3048
Code: ae 08 0d 00 00 48 89 e8 48 c1 e8 03 42 80 3c 28 00 74 08 48 89 ef e8 38 08 4d f7 48 8b 6d 00 48 83 c5 3b 48 89 e8 48 c1 e8 03 <42> 0f b6 04 28 84 c0 0f 85 22 01 00 00 0f b6 6d 00 48 89 ef 48 c7
RSP: 0018:ffffc9000307fb78 EFLAGS: 00010212
RAX: 0000000000000007 RBX: 0000000000000001 RCX: ffff888059fd5a00
RDX: ffff888059fd5a00 RSI: 0000000000000001 RDI: 0000000000000001
RBP: 000000000000003b R08: ffffffff8ab8d446 R09: ffffffff8aba1f98
R10: 0000000000000002 R11: ffff888059fd5a00 R12: ffff8880669b4000
R13: dffffc0000000000 R14: ffff88802f4fc000 R15: 0000000000000013
FS: 0000000000000000(0000) GS:ffff8880b8700000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000556cac811000 CR3: 0000000060eee000 CR4: 0000000000350ef0
Call Trace:
<TASK>
process_one_work kernel/workqueue.c:3229 [inline]
process_scheduled_works+0xa68/0x1840 kernel/workqueue.c:3310
worker_thread+0x870/0xd30 kernel/workqueue.c:3391
kthread+0x2f2/0x390 kernel/kthread.c:389
ret_from_fork+0x4d/0x80 arch/x86/kernel/process.c:147
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
</TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:hci_abort_conn+0x147/0x330 net/bluetooth/hci_conn.c:3048
Code: ae 08 0d 00 00 48 89 e8 48 c1 e8 03 42 80 3c 28 00 74 08 48 89 ef e8 38 08 4d f7 48 8b 6d 00 48 83 c5 3b 48 89 e8 48 c1 e8 03 <42> 0f b6 04 28 84 c0 0f 85 22 01 00 00 0f b6 6d 00 48 89 ef 48 c7
RSP: 0018:ffffc9000307fb78 EFLAGS: 00010212
RAX: 0000000000000007 RBX: 0000000000000001 RCX: ffff888059fd5a00
RDX: ffff888059fd5a00 RSI: 0000000000000001 RDI: 0000000000000001
RBP: 000000000000003b R08: ffffffff8ab8d446 R09: ffffffff8aba1f98
R10: 0000000000000002 R11: ffff888059fd5a00 R12: ffff8880669b4000
R13: dffffc0000000000 R14: ffff88802f4fc000 R15: 0000000000000013
FS: 0000000000000000(0000) GS:ffff8880b8700000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000110c2c1521 CR3: 000000005bf38000 CR4: 0000000000350ef0
----------------
Code disassembly (best guess):
0: ae scas %es:(%rdi),%al
1: 08 0d 00 00 48 89 or %cl,-0x76b80000(%rip) # 0x89480007
7: e8 48 c1 e8 03 call 0x3e8c154
c: 42 80 3c 28 00 cmpb $0x0,(%rax,%r13,1)
11: 74 08 je 0x1b
13: 48 89 ef mov %rbp,%rdi
16: e8 38 08 4d f7 call 0xf74d0853
1b: 48 8b 6d 00 mov 0x0(%rbp),%rbp
1f: 48 83 c5 3b add $0x3b,%rbp
23: 48 89 e8 mov %rbp,%rax
26: 48 c1 e8 03 shr $0x3,%rax
* 2a: 42 0f b6 04 28 movzbl (%rax,%r13,1),%eax <-- trapping instruction
2f: 84 c0 test %al,%al
31: 0f 85 22 01 00 00 jne 0x159
37: 0f b6 6d 00 movzbl 0x0(%rbp),%ebp
3b: 48 89 ef mov %rbp,%rdi
3e: 48 rex.W
3f: c7 .byte 0xc7