Bluetooth: hci5: command 0x0406 tx timeout Bluetooth: hci4: command 0x0406 tx timeout Bluetooth: hci0: command 0x0406 tx timeout Bluetooth: hci2: command 0x0406 tx timeout watchdog: BUG: soft lockup - CPU#0 stuck for 26s! [syz-executor.2:15513] Modules linked in: irq event stamp: 2484355 hardirqs last enabled at (2484354): [] irqentry_exit+0x3b/0x90 hardirqs last disabled at (2484355): [] sysvec_apic_timer_interrupt+0xf/0x80 softirqs last enabled at (2479750): [] handle_softirqs+0x50c/0x770 softirqs last disabled at (2479759): [] __irq_exit_rcu+0xc4/0x100 CPU: 0 UID: 0 PID: 15513 Comm: syz-executor.2 Not tainted 6.13.0-rc2-next-20241216 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RIP: 0010:unwind_next_frame+0xc6e/0x2490 Code: 08 00 00 00 4c 89 ff 49 01 c6 4c 89 f6 e8 ca f1 ff ff 4d 8d 4f 40 84 c0 0f 84 a4 f6 ff ff 4c 89 f7 e8 b6 e9 ff ff 49 8d 7f 50 <48> 89 fa 48 89 c5 48 b8 00 00 00 00 00 fc ff df 48 c1 ea 03 80 3c RSP: 0018:ffff88806ce096b8 EFLAGS: 00000202 RAX: ffff888039243c00 RBX: 0000000000000002 RCX: 0000000000000002 RDX: ffff88806ce09a01 RSI: ffff88806ce09af0 RDI: ffff88806ce09778 RBP: ffff88806ce09780 R08: 0000000000000001 R09: ffff88806ce09768 R10: 000000000003a864 R11: 00000000000961e9 R12: ffff88806ce09788 R13: ffff88806ce09770 R14: ffff88806ce09af0 R15: ffff88806ce09728 FS: 00007f43a4c20700(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b2c730000 CR3: 0000000026c56000 CR4: 0000000000350ef0 Call Trace: arch_stack_walk+0x87/0xf0 stack_trace_save+0x8f/0xc0 kasan_save_stack+0x24/0x50 kasan_save_track+0x14/0x30 __kasan_mempool_unpoison_object+0x11e/0x1e0 napi_skb_cache_get+0x289/0x740 __napi_build_skb+0x15/0x60 napi_build_skb+0x20/0x310 e1000_clean_rx_irq+0x976/0x1190 e1000_clean+0x960/0x2540 __napi_poll+0xb9/0x540 net_rx_action+0xa08/0xe00 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:qlist_free_all+0x96/0x160 Code: 0f 82 e0 00 00 00 48 c7 c2 00 00 00 80 48 2b 15 f0 99 d2 03 48 01 ca 48 c1 ea 0c 48 c1 e2 06 48 03 15 ce 99 d2 03 48 8b 72 08 <48> 89 d1 40 f6 c6 01 0f 85 a1 00 00 00 66 90 80 79 33 f5 ba 00 00 RSP: 0018:ffff88802e7ffba0 EFLAGS: 00000286 RAX: ffff88800b75f818 RBX: ffff88800b75f818 RCX: ffff88808b75f818 RDX: ffffea00002dd7c0 RSI: ffff888008c4f780 RDI: 0000000000080000 RBP: 0000000000000000 R08: ffff88800ca42b70 R09: 000000000055003e R10: ffffea0000329000 R11: 0000000000000000 R12: 0000000000000000 R13: ffff88802e7ffbd8 R14: ffff88800ca42b70 R15: ffff88800ca42b70 kasan_quarantine_reduce+0x19f/0x240 __kasan_slab_alloc+0x49/0x70 kmem_cache_alloc_noprof+0x13d/0x3d0 __alloc_object+0x2f/0x270 __create_object+0x1d/0x80 kmem_cache_alloc_noprof+0x300/0x3d0 alloc_empty_file+0x76/0x1e0 alloc_file_pseudo+0x139/0x200 __shmem_file_setup+0x214/0x310 __do_sys_memfd_create+0x4d7/0x980 do_syscall_64+0xbf/0x1d0 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f43a76aab19 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:00007f43a4c1ff48 EFLAGS: 00000246 ORIG_RAX: 000000000000013f RAX: ffffffffffffffda RBX: 0000000020000040 RCX: 00007f43a76aab19 RDX: 0000000000020000 RSI: 0000000000000000 RDI: 00007f43a77040fb RBP: 0000000000000002 R08: 0000000000010000 R09: 0000000000000000 R10: 0000000000000002 R11: 0000000000000246 R12: 0000000008100000 R13: 00000000200000c0 R14: 0000000000020000 R15: 0000000000000000 Sending NMI from CPU 0 to CPUs 1: NMI backtrace for cpu 1 skipped: idling at default_idle+0x1e/0x30 Bluetooth: hci6: command 0x0406 tx timeout Bluetooth: hci7: command 0x0406 tx timeout ---------------- Code disassembly (best guess): 0: 08 00 or %al,(%rax) 2: 00 00 add %al,(%rax) 4: 4c 89 ff mov %r15,%rdi 7: 49 01 c6 add %rax,%r14 a: 4c 89 f6 mov %r14,%rsi d: e8 ca f1 ff ff callq 0xfffff1dc 12: 4d 8d 4f 40 lea 0x40(%r15),%r9 16: 84 c0 test %al,%al 18: 0f 84 a4 f6 ff ff je 0xfffff6c2 1e: 4c 89 f7 mov %r14,%rdi 21: e8 b6 e9 ff ff callq 0xffffe9dc 26: 49 8d 7f 50 lea 0x50(%r15),%rdi * 2a: 48 89 fa mov %rdi,%rdx <-- trapping instruction 2d: 48 89 c5 mov %rax,%rbp 30: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 37: fc ff df 3a: 48 c1 ea 03 shr $0x3,%rdx 3e: 80 .byte 0x80 3f: 3c .byte 0x3c