Bluetooth: hci0: command 0x0406 tx timeout watchdog: BUG: soft lockup - CPU#0 stuck for 21s! [syz-executor.4:13462] Modules linked in: irq event stamp: 3587681 hardirqs last enabled at (3587680): [] irqentry_exit+0x3b/0x90 hardirqs last disabled at (3587681): [] sysvec_apic_timer_interrupt+0xf/0x80 softirqs last enabled at (3450896): [] handle_softirqs+0x50c/0x770 softirqs last disabled at (3450921): [] __irq_exit_rcu+0xc4/0x100 CPU: 0 UID: 0 PID: 13462 Comm: syz-executor.4 Not tainted 6.12.0-rc7-next-20241115 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RIP: 0010:__kernel_text_address+0xd/0x40 Code: d5 66 66 2e 0f 1f 84 00 00 00 00 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 66 0f 1f 00 53 48 89 fb e8 23 ff ff ff <85> c0 75 1b 48 81 fb 00 b0 d5 86 72 0c 31 c0 48 81 fb 7a ac eb 86 RSP: 0018:ffff88806ce09060 EFLAGS: 00000296 RAX: 0000000000000001 RBX: ffffffff81848fb2 RCX: 0000000000000001 RDX: 1ffff1100d9c121c RSI: ffff88806ce093f8 RDI: ffffffff81848fb2 RBP: ffff88806ce090e0 R08: 0000000000000001 R09: ffff88806ce090c8 R10: 000000000003c001 R11: 0000000000023d34 R12: ffff88806ce09150 R13: 0000000000000000 R14: ffff88800c210000 R15: ffff888040219000 FS: 00007f30c2d60700(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fdf7e243718 CR3: 0000000040ea6000 CR4: 0000000000350ef0 Call Trace: 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_save_free_info+0x3a/0x60 __kasan_slab_free+0x38/0x50 kfree+0x132/0x480 ieee80211_inform_bss+0x7f6/0x10b0 cfg80211_inform_single_bss_data+0x7fe/0x1c50 cfg80211_inform_bss_data+0x20f/0x3510 cfg80211_inform_bss_frame_data+0x250/0x690 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+0x96/0x160 Code: 0f 82 e0 00 00 00 48 c7 c2 00 00 00 80 48 2b 15 c0 c4 f1 03 48 01 ca 48 c1 ea 0c 48 c1 e2 06 48 03 15 9e c4 f1 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:ffff88802bbe7c10 EFLAGS: 00000286 RAX: ffff88803f5abb90 RBX: ffff88803f5abb90 RCX: ffff8880bf5abb90 RDX: ffffea0000fd6ac0 RSI: ffff888008c4f780 RDI: 0000000000080000 RBP: 0000000000000000 R08: ffff888018e874a0 R09: 00000000000d000b R10: ffffea000063a100 R11: 00000000000007e0 R12: 0000000000000000 R13: ffff88802bbe7c48 R14: ffff888018e874a0 R15: ffff888018e874a0 kasan_quarantine_reduce+0x19f/0x240 __kasan_slab_alloc+0x49/0x70 kmem_cache_alloc_lru_noprof+0x14c/0x3c0 __d_alloc+0x31/0x990 d_alloc_pseudo+0x1d/0xc0 alloc_file_pseudo+0xcc/0x200 sock_alloc_file+0x53/0x1d0 __sys_socket+0x1bc/0x260 __x64_sys_socket+0x73/0xb0 do_syscall_64+0xbf/0x1d0 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f30c57eab19 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:00007f30c2d60188 EFLAGS: 00000246 ORIG_RAX: 0000000000000029 RAX: ffffffffffffffda RBX: 00007f30c58fdf60 RCX: 00007f30c57eab19 RDX: 0000000000000000 RSI: 0000000000000002 RDI: 0000000000000002 RBP: 00007f30c5844f6d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffdf97f035f R14: 00007f30c2d60300 R15: 0000000000022000 Sending NMI from CPU 0 to CPUs 1: NMI backtrace for cpu 1 CPU: 1 UID: 0 PID: 23 Comm: ksoftirqd/1 Not tainted 6.12.0-rc7-next-20241115 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RIP: 0010:__sanitizer_cov_trace_const_cmp4+0x8/0x20 Code: bf 03 00 00 00 e9 48 fe ff ff 0f 1f 84 00 00 00 00 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 48 8b 0c 24 <89> f2 89 fe bf 05 00 00 00 e9 1a fe ff ff 66 2e 0f 1f 84 00 00 00 RSP: 0018:ffff888009737e78 EFLAGS: 00000206 RAX: 0000000000000007 RBX: ffff8880096d5280 RCX: ffffffff81228d3f RDX: 0000000000000000 RSI: 0000000000200000 RDI: 0000000000000000 RBP: 0000000000200000 R08: 0000000000000001 R09: ffffed10012daa53 R10: ffff8880096d529b R11: ffff8880096d5728 R12: ffffffff85af1400 R13: ffff8880096d5280 R14: ffff8880096d5280 R15: ffffffff81242609 FS: 0000000000000000(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f7ca5364660 CR3: 0000000014f22000 CR4: 0000000000350ef0 Call Trace: kthread_should_stop+0x4f/0xe0 smpboot_thread_fn+0xb1/0x930 kthread+0x2c2/0x3a0 ret_from_fork+0x48/0x80 ret_from_fork_asm+0x1a/0x30 ---------------- Code disassembly (best guess), 1 bytes skipped: 0: 66 66 2e 0f 1f 84 00 data16 nopw %cs:0x0(%rax,%rax,1) 7: 00 00 00 00 b: 90 nop c: 90 nop d: 90 nop e: 90 nop f: 90 nop 10: 90 nop 11: 90 nop 12: 90 nop 13: 90 nop 14: 90 nop 15: 90 nop 16: 90 nop 17: 90 nop 18: 90 nop 19: 90 nop 1a: 90 nop 1b: 90 nop 1c: 66 0f 1f 00 nopw (%rax) 20: 53 push %rbx 21: 48 89 fb mov %rdi,%rbx 24: e8 23 ff ff ff callq 0xffffff4c * 29: 85 c0 test %eax,%eax <-- trapping instruction 2b: 75 1b jne 0x48 2d: 48 81 fb 00 b0 d5 86 cmp $0xffffffff86d5b000,%rbx 34: 72 0c jb 0x42 36: 31 c0 xor %eax,%eax 38: 48 81 fb 7a ac eb 86 cmp $0xffffffff86ebac7a,%rbx