Bluetooth: hci3: Opcode 0x0c1a failed: -110 Bluetooth: hci3: Opcode 0x0406 failed: -110 Oops: general protection fault, probably for non-canonical address 0xdffffc0000000013: 0000 [#1] SMP KASAN PTI KASAN: null-ptr-deref in range [0x0000000000000098-0x000000000000009f] CPU: 0 UID: 0 PID: 22604 Comm: syz.6.7171 Not tainted syzkaller #0 PREEMPT_{RT,(full)} Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025 RIP: 0010:klist_put lib/klist.c:212 [inline] RIP: 0010:klist_del lib/klist.c:230 [inline] RIP: 0010:klist_remove+0x14d/0x340 lib/klist.c:249 Code: 49 c1 ed 03 43 80 7c 3d 00 00 74 08 4c 89 f7 e8 59 1b 31 f7 4d 8b 26 49 83 e4 fe 49 8d bc 24 98 00 00 00 48 89 f8 48 c1 e8 03 <42> 80 3c 38 00 74 05 e8 37 1b 31 f7 49 8b 84 24 98 00 00 00 48 89 RSP: 0018:ffffc9000bebf0c[ 832.778690][T22604] RSP: 0018:ffffc9000bebf0c0 EFLAGS: 00010202 RAX: 0000000000000013 RBX: ffff88802d5ed940 RCX: 0000000000000000 RDX: 0000000000000006 RSI: ffffffff8d038698 RDI: 0000000000000098 RBP: ffffc9000bebf1a8 R08: ffffffff8f1d4637 R09: 1ffffffff1e3a8c6 R10: dffffc0000000000 R11: fffffbfff1e3a8c7 R12: 0000000000000000 R13: 1ffff1100c165614 R14: ffff888060b2b0a0 R15: dffffc0000000000 FS: 00007f36f0e166c0(0000) GS:ffff8881268c2000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000560169bc34d8 CR3: 0000000069c94000 CR4: 00000000003526f0 Call Trace: device_move+0x195/0x710 drivers/base/core.c:4615 hci_conn_del_sysfs+0xb8/0x170 net/bluetooth/hci_sysfs.c:75 hci_conn_cleanup net/bluetooth/hci_conn.c:175 [inline] hci_conn_del+0x9b7/0xd60 net/bluetooth/hci_conn.c:1187 hci_abort_conn_sync+0x658/0xe30 net/bluetooth/hci_sync.c:5689 hci_disconnect_all_sync+0x1b5/0x350 net/bluetooth/hci_sync.c:5712 hci_suspend_sync+0x3fc/0xc60 net/bluetooth/hci_sync.c:6188 hci_suspend_dev+0x28d/0x4d0 net/bluetooth/hci_core.c:2849 hci_suspend_notifier+0xf2/0x290 net/bluetooth/hci_core.c:2420 notifier_call_chain+0x1b6/0x3e0 kernel/notifier.c:85 notifier_call_chain_robust kernel/notifier.c:120 [inline] blocking_notifier_call_chain_robust+0x85/0x100 kernel/notifier.c:345 pm_notifier_call_chain_robust+0x2c/0x60 kernel/power/main.c:103 snapshot_open+0x1a2/0x280 kernel/power/user.c:77 misc_open+0x2c2/0x340 drivers/char/misc.c:161 chrdev_open+0x4cc/0x5e0 fs/char_dev.c:414 do_dentry_open+0x9ae/0x1350 fs/open.c:965 vfs_open+0x3b/0x350 fs/open.c:1095 do_open fs/namei.c:3887 [inline] path_openat+0x2ef1/0x3840 fs/namei.c:4046 do_filp_open+0x1fa/0x410 fs/namei.c:4073 do_sys_openat2+0x121/0x1c0 fs/open.c:1435 do_sys_open fs/open.c:1450 [inline] __do_sys_openat fs/open.c:1466 [inline] __se_sys_openat fs/open.c:1461 [inline] __x64_sys_openat+0x138/0x170 fs/open.c:1461 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xfa/0x3b0 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f36f2baebe9 Code: ff ff c3 66 2e 0f 1f 84 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 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f36f0e16038 EFLAGS: 00000246 ORIG_RAX: 0000000000000101 RAX: ffffffffffffffda RBX: 00007f36f2dd5fa0 RCX: 00007f36f2baebe9 RDX: 0000000000040000 RSI: 0000200000000180 RDI: ffffffffffffff9c RBP: 00007f36f2c31e19 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f36f2dd6038 R14: 00007f36f2dd5fa0 R15: 00007ffc61a9c208 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:klist_put lib/klist.c:212 [inline] RIP: 0010:klist_del lib/klist.c:230 [inline] RIP: 0010:klist_remove+0x14d/0x340 lib/klist.c:249 Code: 49 c1 ed 03 43 80 7c 3d 00 00 74 08 4c 89 f7 e8 59 1b 31 f7 4d 8b 26 49 83 e4 fe 49 8d bc 24 98 00 00 00 48 89 f8 48 c1 e8 03 <42> 80 3c 38 00 74 05 e8 37 1b 31 f7 49 8b 84 24 98 00 00 00 48 89 RSP: 0018:ffffc9000bebf0c0 EFLAGS: 00010202 RAX: 0000000000000013 RBX: ffff88802d5ed940 RCX: 0000000000000000 RDX: 0000000000000006 RSI: ffffffff8d038698 RDI: 0000000000000098 RBP: ffffc9000bebf1a8 R08: ffffffff8f1d4637 R09: 1ffffffff1e3a8c6 R10: dffffc0000000000 R11: fffffbfff1e3a8c7 R12: 0000000000000000 R13: 1ffff1100c165614 R14: ffff888060b2b0a0 R15: dffffc0000000000 FS: 00007f36f0e166c0(0000) GS:ffff8881269c2000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000110c2f8206 CR3: 0000000069c94000 CR4: 00000000003526f0 ---------------- Code disassembly (best guess): 0: 49 c1 ed 03 shr $0x3,%r13 4: 43 80 7c 3d 00 00 cmpb $0x0,0x0(%r13,%r15,1) a: 74 08 je 0x14 c: 4c 89 f7 mov %r14,%rdi f: e8 59 1b 31 f7 call 0xf7311b6d 14: 4d 8b 26 mov (%r14),%r12 17: 49 83 e4 fe and $0xfffffffffffffffe,%r12 1b: 49 8d bc 24 98 00 00 lea 0x98(%r12),%rdi 22: 00 23: 48 89 f8 mov %rdi,%rax 26: 48 c1 e8 03 shr $0x3,%rax * 2a: 42 80 3c 38 00 cmpb $0x0,(%rax,%r15,1) <-- trapping instruction 2f: 74 05 je 0x36 31: e8 37 1b 31 f7 call 0xf7311b6d 36: 49 8b 84 24 98 00 00 mov 0x98(%r12),%rax 3d: 00 3e: 48 rex.W 3f: 89 .byte 0x89