Bluetooth: hci2: command 0x0406 tx timeout Bluetooth: hci3: command 0x0406 tx timeout Bluetooth: hci4: command 0x0406 tx timeout Bluetooth: hci6: command 0x0406 tx timeout Bluetooth: hci7: command 0x0406 tx timeout watchdog: BUG: soft lockup - CPU#0 stuck for 26s! [syz-executor.1:10641] Modules linked in: irq event stamp: 2634659 hardirqs last enabled at (2634658): [] irqentry_exit+0x3b/0x90 hardirqs last disabled at (2634659): [] sysvec_apic_timer_interrupt+0xf/0x80 softirqs last enabled at (2618026): [] handle_softirqs+0x50c/0x770 softirqs last disabled at (2618041): [] __irq_exit_rcu+0xc4/0x100 CPU: 0 UID: 0 PID: 10641 Comm: syz-executor.1 Not tainted 6.13.0-rc3-next-20241220 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RIP: 0010:kernel_text_address+0x1e/0xc0 Code: 90 90 90 90 90 90 90 90 90 90 90 90 66 0f 1f 00 55 48 89 fd 48 83 ec 08 e8 3f ff ff ff 85 c0 74 0f b8 01 00 00 00 48 83 c4 08 <5d> e9 3c 3c 68 03 e8 47 22 17 00 84 c0 74 33 48 89 ef e8 db 03 1c RSP: 0018:ffff88806ce09680 EFLAGS: 00000292 RAX: 0000000000000001 RBX: ffffffff835cc7d5 RCX: 0000000000000001 RDX: 1ffff1100d9c12e2 RSI: ffff88806ce09de0 RDI: ffffffff835cc7d5 RBP: ffffffff835cc7d5 R08: 0000000000000001 R09: ffff88806ce096f8 R10: 000000000003aab6 R11: 00000000000ba8cb R12: ffff88806ce09780 R13: 0000000000000000 R14: ffff8880166c5340 R15: 0000000000000820 FS: 00007f24cc9e6700(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007ffcdc02efd8 CR3: 000000001b39c000 CR4: 0000000000350ef0 Call Trace: __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_save_track+0x14/0x30 __kasan_slab_alloc+0x59/0x70 kmem_cache_alloc_node_noprof+0x14c/0x3e0 __alloc_skb+0x2ad/0x370 __netdev_alloc_skb+0x7a/0x7c0 __ieee80211_beacon_get+0x3f4/0xfc0 ieee80211_beacon_get_tim+0xa6/0x280 mac80211_hwsim_beacon_tx+0x49b/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:_raw_spin_unlock_irqrestore+0x34/0x50 Code: c7 18 53 48 89 f3 48 8b 74 24 10 e8 f6 f1 a5 fc 48 89 ef e8 7e 60 a6 fc 80 e7 02 74 06 e8 b4 77 cf fc fb 65 ff 0d 54 5b 59 7b <74> 07 5b 5d e9 a3 1e 00 00 0f 1f 44 00 00 5b 5d e9 97 1e 00 00 0f RSP: 0018:ffff888041b672f0 EFLAGS: 00000246 RAX: 000000000027f2b7 RBX: 0000000000000246 RCX: 1ffffffff0fe1d12 RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffff84aa4bac RBP: ffff888008c4e900 R08: 0000000000000001 R09: fffffbfff0fdfbe9 R10: ffffffff87efdf4f R11: 0000000000000000 R12: 0000000000000000 R13: 0000000000000000 R14: ffff888008c4f780 R15: 0000000000000246 __put_partials+0xc4/0x110 qlist_free_all+0x50/0x160 kasan_quarantine_reduce+0x19f/0x240 __kasan_slab_alloc+0x49/0x70 kmem_cache_alloc_noprof+0x13d/0x3d0 alloc_buffer_head+0x24/0x130 folio_alloc_buffers+0x289/0x540 create_empty_buffers+0x30/0x460 ext4_block_write_begin+0x996/0xb20 ext4_da_write_begin+0x30e/0x880 generic_perform_write+0x284/0x7e0 ext4_buffered_write_iter+0x11d/0x3c0 ext4_file_write_iter+0x95e/0x18e0 iter_file_splice_write+0xa09/0x1060 direct_splice_actor+0x192/0x7a0 splice_direct_to_actor+0x348/0x9d0 do_splice_direct+0x17a/0x250 do_sendfile+0xa7e/0xdb0 __x64_sys_sendfile64+0x1d5/0x210 do_syscall_64+0xbf/0x1d0 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f24cf470b19 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:00007f24cc9e6188 EFLAGS: 00000246 ORIG_RAX: 0000000000000028 RAX: ffffffffffffffda RBX: 00007f24cf583f60 RCX: 00007f24cf470b19 RDX: 0000000000000000 RSI: 0000000000000004 RDI: 0000000000000004 RBP: 00007f24cf4caf6d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000100000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffc51524eff R14: 00007f24cc9e6300 R15: 0000000000022000 Sending NMI from CPU 0 to CPUs 1: NMI backtrace for cpu 1 skipped: idling at default_idle+0x1e/0x30 ---------------- Code disassembly (best guess): 0: 90 nop 1: 90 nop 2: 90 nop 3: 90 nop 4: 90 nop 5: 90 nop 6: 90 nop 7: 90 nop 8: 90 nop 9: 90 nop a: 90 nop b: 90 nop c: 66 0f 1f 00 nopw (%rax) 10: 55 push %rbp 11: 48 89 fd mov %rdi,%rbp 14: 48 83 ec 08 sub $0x8,%rsp 18: e8 3f ff ff ff callq 0xffffff5c 1d: 85 c0 test %eax,%eax 1f: 74 0f je 0x30 21: b8 01 00 00 00 mov $0x1,%eax 26: 48 83 c4 08 add $0x8,%rsp * 2a: 5d pop %rbp <-- trapping instruction 2b: e9 3c 3c 68 03 jmpq 0x3683c6c 30: e8 47 22 17 00 callq 0x17227c 35: 84 c0 test %al,%al 37: 74 33 je 0x6c 39: 48 89 ef mov %rbp,%rdi 3c: e8 .byte 0xe8 3d: db 03 fildl (%rbx) 3f: 1c .byte 0x1c