Bluetooth: hci1: command 0x0406 tx timeout Bluetooth: hci5: command 0x0406 tx timeout Bluetooth: hci3: command 0x0406 tx timeout Bluetooth: hci7: command 0x0406 tx timeout watchdog: BUG: soft lockup - CPU#0 stuck for 22s! [syz-executor.1:6160] Modules linked in: irq event stamp: 2421939 hardirqs last enabled at (2421938): [] irqentry_exit+0x3b/0x90 hardirqs last disabled at (2421939): [] sysvec_apic_timer_interrupt+0xf/0x80 softirqs last enabled at (2404428): [] handle_softirqs+0x50c/0x770 softirqs last disabled at (2404447): [] __irq_exit_rcu+0xc4/0x100 CPU: 0 UID: 0 PID: 6160 Comm: syz-executor.1 Not tainted 6.13.0-rc1-next-20241204 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RIP: 0010:lock_release+0xa6/0x6f0 Code: a7 03 00 65 41 8b 2e 89 ed be 08 00 00 00 48 89 e8 48 c1 e8 06 48 8d 3c c5 90 ac 3f 86 e8 b2 ad 5b 00 48 0f a3 2d 5a 88 0f 05 <0f> 82 47 04 00 00 48 c7 c5 34 ba 3f 86 48 b8 00 00 00 00 00 fc ff RSP: 0018:ffff88806ce096f8 EFLAGS: 00000247 RAX: 0000000000000001 RBX: 1ffff1100d9c12e1 RCX: ffffffff8130242e RDX: fffffbfff0c7f593 RSI: 0000000000000008 RDI: ffffffff863fac90 RBP: 0000000000000000 R08: 0000000000000000 R09: fffffbfff0c7f592 R10: ffffffff863fac97 R11: 00000000000c3a1b R12: ffffffff85c16340 R13: ffffffff81526016 R14: 000000000003a70c R15: ffff88801812d3c0 FS: 00007f56e1de5700(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f12838d7543 CR3: 000000001c292000 CR4: 0000000000350ef0 Call Trace: __is_insn_slot_addr+0x13b/0x290 kernel_text_address+0x48/0xc0 __kernel_text_address+0xd/0x40 unwind_get_return_address+0x59/0xa0 arch_stack_walk+0x9d/0xf0 stack_trace_save+0x8f/0xc0 kasan_save_stack+0x24/0x50 kasan_record_aux_stack+0x89/0xa0 __call_rcu_common.constprop.0+0x6a/0xaa0 kmem_cache_free+0x2ae/0x470 kfree_skbmem+0x18a/0x1f0 consume_skb+0xdd/0x160 mac80211_hwsim_tx_frame+0x1f6/0x2a0 mac80211_hwsim_beacon_tx+0x546/0x950 __iterate_interfaces+0x2e0/0x650 ieee80211_iterate_active_interfaces_atomic+0x71/0x1b0 mac80211_hwsim_beacon+0x105/0x200 __hrtimer_run_queues+0x1ab/0xa80 hrtimer_run_softirq+0x14c/0x310 handle_softirqs+0x1b1/0x770 __irq_exit_rcu+0xc4/0x100 irq_exit_rcu+0x9/0x20 sysvec_apic_timer_interrupt+0x70/0x80 asm_sysvec_apic_timer_interrupt+0x1a/0x20 RIP: 0010:__slab_free+0x7f/0x310 Code: c1 e8 1f 4d 85 ed 66 89 5c 24 58 41 89 c6 41 0f 94 c2 66 85 db 74 05 45 84 d2 74 05 45 84 f6 74 42 41 8b 7f 08 4c 8b 4c 24 58 <4c> 89 ea 4c 89 e6 4c 8b 44 24 20 e8 f1 9f ff ff 84 c0 74 9d 4c 89 RSP: 0018:ffff888040ba73c0 EFLAGS: 00000246 RAX: 0000000000000000 RBX: 00000000000d0009 RCX: 00000000000d000a RDX: ffff888015f87378 RSI: ffffea000057e1c0 RDI: 0000000000089800 RBP: ffff888040ba7460 R08: 0000000000000001 R09: 00000000000d0009 R10: ffffea000057e100 R11: 0000000000000000 R12: ffffea000057e1c0 R13: ffff888015f87000 R14: 0000000000000000 R15: ffff888008c4f780 qlist_free_all+0x50/0x160 kasan_quarantine_reduce+0x19f/0x240 __kasan_slab_alloc+0x49/0x70 kmem_cache_alloc_noprof+0x13d/0x3d0 jbd2_journal_add_journal_head+0x367/0x5d0 jbd2_journal_get_write_access+0x1bc/0x250 __ext4_journal_get_write_access+0x6a/0x330 add_dirent_to_buf+0x1da/0x770 ext4_add_entry+0x533/0xcc0 ext4_add_nondir+0x90/0x2b0 ext4_create+0x389/0x4e0 lookup_open.isra.0+0x11c1/0x1620 path_openat+0xc91/0x2980 do_filp_open+0x1e9/0x450 do_sys_openat2+0x164/0x1d0 __x64_sys_openat+0x143/0x200 do_syscall_64+0xbf/0x1d0 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f56e486fb19 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 bc ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f56e1de5188 EFLAGS: 00000246 ORIG_RAX: 0000000000000101 RAX: ffffffffffffffda RBX: 00007f56e4982f60 RCX: 00007f56e486fb19 RDX: 0000000000141042 RSI: 0000000020000100 RDI: ffffffffffffff9c RBP: 00007f56e48c9f6d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffdfc8272af R14: 00007f56e1de5300 R15: 0000000000022000 Sending NMI from CPU 0 to CPUs 1: NMI backtrace for cpu 1 skipped: idling at default_idle+0x1e/0x30 Bluetooth: hci1: Opcode 0x0c1a failed: -4 Bluetooth: hci1: Opcode 0x0406 failed: -4 Bluetooth: hci3: Opcode 0x0c1a failed: -4 Bluetooth: hci3: Opcode 0x0406 failed: -4 Bluetooth: hci5: Opcode 0x0c1a failed: -4 Bluetooth: hci5: Opcode 0x0406 failed: -4 Bluetooth: hci7: Opcode 0x0c1a failed: -4 Bluetooth: hci7: Opcode 0x0406 failed: -4 Bluetooth: hci0: Opcode 0x0c1a failed: -4 Bluetooth: hci0: Opcode 0x0406 failed: -4 Bluetooth: hci0: Opcode 0x0406 failed: -4 Bluetooth: hci4: Opcode 0x0c1a failed: -4 Bluetooth: hci4: Opcode 0x0406 failed: -4 Bluetooth: hci4: Opcode 0x0406 failed: -4 Bluetooth: hci2: Opcode 0x0c1a failed: -4 Bluetooth: hci2: Opcode 0x0406 failed: -4 Bluetooth: hci2: Opcode 0x0406 failed: -4 Bluetooth: hci6: Opcode 0x0c1a failed: -4 Bluetooth: hci6: Opcode 0x0406 failed: -4 Bluetooth: hci6: Opcode 0x0406 failed: -4 Bluetooth: hci1: Opcode 0x0c1a failed: -4 Bluetooth: hci3: Opcode 0x0c1a failed: -4 Bluetooth: hci5: Opcode 0x0c1a failed: -4 Bluetooth: hci7: Opcode 0x0c1a failed: -4 Bluetooth: hci0: Opcode 0x0c1a failed: -4 Bluetooth: hci4: Opcode 0x0c1a failed: -4 Bluetooth: hci2: Opcode 0x0c1a failed: -4 Bluetooth: hci6: Opcode 0x0c1a failed: -4 Bluetooth: hci1: Opcode 0x0c1a failed: -4 Bluetooth: hci3: Opcode 0x0c1a failed: -4 Bluetooth: hci5: Opcode 0x0c1a failed: -4 Bluetooth: hci7: Opcode 0x0c1a failed: -4 Bluetooth: hci0: Opcode 0x0c1a failed: -4 Bluetooth: hci4: Opcode 0x0c1a failed: -4 Bluetooth: hci2: Opcode 0x0c1a failed: -4 Bluetooth: hci6: Opcode 0x0c1a failed: -4 Bluetooth: hci1: Opcode 0x0c1a failed: -4 Bluetooth: hci3: Opcode 0x0c1a failed: -4 Bluetooth: hci5: Opcode 0x0c1a failed: -4 Bluetooth: hci7: Opcode 0x0c1a failed: -4 Bluetooth: hci0: Opcode 0x0c1a failed: -4 Bluetooth: hci4: Opcode 0x0c1a failed: -4 Bluetooth: hci2: Opcode 0x0c1a failed: -4 Bluetooth: hci6: Opcode 0x0c1a failed: -4 Bluetooth: hci1: Opcode 0x0c1a failed: -4 Bluetooth: hci3: Opcode 0x0c1a failed: -4 Bluetooth: hci5: Opcode 0x0c1a failed: -4 Bluetooth: hci7: Opcode 0x0c1a failed: -4 Bluetooth: hci0: Opcode 0x0c1a failed: -4 Bluetooth: hci4: Opcode 0x0c1a failed: -4 Bluetooth: hci2: Opcode 0x0c1a failed: -4 Bluetooth: hci6: Opcode 0x0c1a failed: -4 Bluetooth: hci1: command 0x0406 tx timeout audit: type=1326 audit(1733356035.929:11): auid=0 uid=0 gid=0 ses=4 subj=system_u:system_r:kernel_t:s0 pid=6434 comm="syz-executor.2" exe="/syz-executor.2" sig=31 arch=c000003e syscall=202 compat=0 ip=0x7f9e308c3b19 code=0x0 Bluetooth: hci6: command 0x0c1a tx timeout Bluetooth: hci2: command 0x0c1a tx timeout Bluetooth: hci4: command 0x0c1a tx timeout Bluetooth: hci0: command 0x0c1a tx timeout Bluetooth: hci7: command 0x0406 tx timeout Bluetooth: hci5: command 0x0406 tx timeout Bluetooth: hci3: command 0x0406 tx timeout audit: type=1326 audit(1733356036.753:12): auid=0 uid=0 gid=0 ses=4 subj=system_u:system_r:kernel_t:s0 pid=6434 comm="syz-executor.2" exe="/syz-executor.2" sig=31 arch=c000003e syscall=202 compat=0 ip=0x7f9e308c3b19 code=0x0 Bluetooth: hci1: command 0x0406 tx timeout ---------------- Code disassembly (best guess): 0: a7 cmpsl %es:(%rdi),%ds:(%rsi) 1: 03 00 add (%rax),%eax 3: 65 41 8b 2e mov %gs:(%r14),%ebp 7: 89 ed mov %ebp,%ebp 9: be 08 00 00 00 mov $0x8,%esi e: 48 89 e8 mov %rbp,%rax 11: 48 c1 e8 06 shr $0x6,%rax 15: 48 8d 3c c5 90 ac 3f lea -0x79c05370(,%rax,8),%rdi 1c: 86 1d: e8 b2 ad 5b 00 callq 0x5badd4 22: 48 0f a3 2d 5a 88 0f bt %rbp,0x50f885a(%rip) # 0x50f8884 29: 05 * 2a: 0f 82 47 04 00 00 jb 0x477 <-- trapping instruction 30: 48 c7 c5 34 ba 3f 86 mov $0xffffffff863fba34,%rbp 37: 48 rex.W 38: b8 00 00 00 00 mov $0x0,%eax 3d: 00 fc add %bh,%ah 3f: ff .byte 0xff