Bluetooth: hci6: command 0x0406 tx timeout watchdog: BUG: soft lockup - CPU#1 stuck for 26s! [syz-executor.6:6530] Modules linked in: irq event stamp: 3274271 hardirqs last enabled at (3274270): [] irqentry_exit+0x3b/0x90 hardirqs last disabled at (3274271): [] sysvec_apic_timer_interrupt+0xf/0x80 softirqs last enabled at (2886106): [] handle_softirqs+0x50c/0x770 softirqs last disabled at (2886123): [] __irq_exit_rcu+0xc4/0x100 CPU: 1 UID: 0 PID: 6530 Comm: syz-executor.6 Not tainted 6.13.0-rc2-next-20241212 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RIP: 0010:stack_access_ok+0x1f/0x1d0 Code: 90 90 90 90 90 90 90 90 90 90 90 48 b8 00 00 00 00 00 fc ff df 41 56 41 55 41 54 49 89 d4 48 89 fa 55 48 c1 ea 03 48 89 f5 53 <48> 89 fb 48 83 ec 08 0f b6 04 02 84 c0 74 08 3c 03 0f 8e 4b 01 00 RSP: 0018:ffff88806cf08fb0 EFLAGS: 00000216 RAX: dffffc0000000000 RBX: 0000000000000001 RCX: ffffffff86849c12 RDX: 1ffff1100d9e120a RSI: ffff88803fe07e70 RDI: ffff88806cf09050 RBP: ffff88803fe07e70 R08: ffffffff86849c16 R09: ffff88806cf09090 R10: 000000000003a7f3 R11: 0000000000025947 R12: 0000000000000008 R13: ffff88806cf09098 R14: ffff88803fe07e78 R15: ffff88806cf09050 FS: 00007fd23c55b700(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f9ad1b74543 CR3: 000000003fd70000 CR4: 0000000000350ef0 Call Trace: unwind_next_frame+0xa5c/0x2490 arch_stack_walk+0x87/0xf0 stack_trace_save+0x8f/0xc0 kasan_save_stack+0x24/0x50 kasan_record_aux_stack+0x89/0xa0 __call_rcu_common.constprop.0+0x6a/0xaa0 kfree+0x28e/0x480 ieee80211_inform_bss+0x7f6/0x10b0 cfg80211_inform_single_bss_data+0x7fe/0x1c70 cfg80211_inform_bss_data+0x20f/0x3510 cfg80211_inform_bss_frame_data+0x250/0x6a0 ieee80211_bss_info_update+0x2f6/0xa90 ieee80211_scan_rx+0x474/0xac0 ieee80211_rx_list+0x1e38/0x2840 ieee80211_rx_napi+0xdc/0x3b0 ieee80211_handle_queued_frames+0xd9/0x130 tasklet_action_common+0x235/0x3b0 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+0x28/0x160 Code: 90 90 48 8b 07 48 85 c0 0f 84 41 01 00 00 41 57 41 56 41 55 49 89 fd 41 54 49 89 f4 55 53 eb 3e 48 63 95 c0 00 00 00 48 8b 18 <48> 89 ef 48 29 d0 48 89 c6 49 89 c6 e8 77 f0 ff ff 49 89 c7 66 90 RSP: 0018:ffff88803fe078a0 EFLAGS: 00000246 RAX: ffff88800c540880 RBX: ffff888016f581d0 RCX: ffffea0000315000 RDX: 0000000000000000 RSI: ffff888008c41780 RDI: 0000000000080000 RBP: ffff888008c41780 R08: ffff88800cea26f0 R09: 00000000000d000b R10: ffffea000033a800 R11: 0000000000000000 R12: 0000000000000000 R13: ffff88803fe078d8 R14: ffff88800cea26f0 R15: ffff88800cea26f0 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 security_file_alloc+0x35/0x130 init_file+0x95/0x480 alloc_empty_file+0x94/0x1e0 path_openat+0xe1/0x2990 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: 0033:0x7fd23efe5b19 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:00007fd23c55b188 EFLAGS: 00000246 ORIG_RAX: 0000000000000101 RAX: ffffffffffffffda RBX: 00007fd23f0f8f60 RCX: 00007fd23efe5b19 RDX: 0000000000000000 RSI: 0000000020000180 RDI: ffffffffffffff9c RBP: 00007fd23f03ff6d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffc9318c79f R14: 00007fd23c55b300 R15: 0000000000022000 Sending NMI from CPU 1 to CPUs 0: NMI backtrace for cpu 0 CPU: 0 UID: 0 PID: 15 Comm: ksoftirqd/0 Not tainted 6.13.0-rc2-next-20241212 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RIP: 0010:trace_irq_disable.constprop.0+0xd4/0x110 Code: 7b 08 31 d2 48 89 ee e8 7a f6 ff ff 65 ff 0d 1b ab 89 7e 0f 85 4a ff ff ff 0f 1f 44 00 00 e9 40 ff ff ff e8 ce 4c df ff 84 c0 <0f> 85 61 ff ff ff 80 3d 2d ff c2 04 00 0f 85 54 ff ff ff c6 05 20 RSP: 0018:ffff888009607d50 EFLAGS: 00000002 RAX: 0000000000000001 RBX: 0000000000000000 RCX: ffffffff8179fb5d RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffff88806ce365d0 RBP: ffff88806ce287a0 R08: 0000000000000000 R09: fffffbfff0c7f7b2 R10: ffffffff863fbd97 R11: 0000000000000000 R12: 000000000003a70c R13: 0000000000000006 R14: 0000000000000006 R15: 0000000000000006 FS: 0000000000000000(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007ffee13c0b68 CR3: 000000000c846000 CR4: 0000000000350ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600 Call Trace: tasklet_action_common+0x27e/0x3b0 handle_softirqs+0x1b1/0x770 run_ksoftirqd+0x2e/0x60 smpboot_thread_fn+0x3eb/0x930 kthread+0x3ab/0x720 ret_from_fork+0x48/0x80 ret_from_fork_asm+0x1a/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: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 12: fc ff df 15: 41 56 push %r14 17: 41 55 push %r13 19: 41 54 push %r12 1b: 49 89 d4 mov %rdx,%r12 1e: 48 89 fa mov %rdi,%rdx 21: 55 push %rbp 22: 48 c1 ea 03 shr $0x3,%rdx 26: 48 89 f5 mov %rsi,%rbp 29: 53 push %rbx * 2a: 48 89 fb mov %rdi,%rbx <-- trapping instruction 2d: 48 83 ec 08 sub $0x8,%rsp 31: 0f b6 04 02 movzbl (%rdx,%rax,1),%eax 35: 84 c0 test %al,%al 37: 74 08 je 0x41 39: 3c 03 cmp $0x3,%al 3b: 0f .byte 0xf 3c: 8e 4b 01 mov 0x1(%rbx),%cs