Bluetooth: hci3: command 0x0406 tx timeout watchdog: BUG: soft lockup - CPU#0 stuck for 26s! [syz-executor.2:9890] Modules linked in: irq event stamp: 2661931 hardirqs last enabled at (2661930): [<ffffffff8484f79b>] irqentry_exit+0x3b/0x90 hardirqs last disabled at (2661931): [<ffffffff8484e15f>] sysvec_apic_timer_interrupt+0xf/0x80 softirqs last enabled at (2660654): [<ffffffff811a997c>] handle_softirqs+0x50c/0x770 softirqs last disabled at (2660661): [<ffffffff811a9d14>] __irq_exit_rcu+0xc4/0x100 CPU: 0 UID: 0 PID: 9890 Comm: syz-executor.2 Not tainted 6.12.0-next-20241128 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RIP: 0010:unwind_next_frame+0xa6d/0x2490 Code: 00 00 4c 89 ff 4c 89 44 24 20 48 89 4c 24 18 48 89 74 24 10 e8 c4 f3 ff ff 4d 8d 4f 40 84 c0 0f 84 9e f8 ff ff 48 8b 74 24 10 <48> 89 f7 e8 ab eb ff ff 48 89 ef 48 8b 74 24 10 48 ba 00 00 00 00 RSP: 0018:ffff88806ce08e38 EFLAGS: 00000202 RAX: ffff888036ae8001 RBX: 0000000000000001 RCX: 0000000000000001 RDX: ffff888036ae7901 RSI: ffff888036ae7900 RDI: ffff88806ce08eb8 RBP: ffff88806ce08f00 R08: ffffffff8683e4ee R09: ffff88806ce08ee8 R10: 000000000003c001 R11: 0000000000023f33 R12: ffff88806ce08f08 R13: ffff88806ce08ef0 R14: ffff888036ae7908 R15: ffff88806ce08ea8 FS: 00007f4b1dd85700(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000000000 CR3: 000000003b498000 CR4: 0000000000350ef0 Call Trace: <IRQ> arch_stack_walk+0x87/0xf0 stack_trace_save+0x8f/0xc0 kasan_save_stack+0x24/0x50 kasan_save_track+0x14/0x30 __kasan_kmalloc+0x7f/0x90 __kmalloc_noprof+0x1f7/0x4b0 ieee802_11_parse_elems_full+0xec/0x15a0 ieee80211_inform_bss+0xf7/0x10b0 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 </IRQ> <TASK> 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 e7 f0 ff ff 49 89 c7 66 90 RSP: 0018:ffff888036ae78d0 EFLAGS: 00000246 RAX: ffff88801909cc80 RBX: ffff88803b93b580 RCX: ffffea0000642700 RDX: 0000000000000000 RSI: ffff888008c41280 RDI: 0000000000080000 RBP: ffff888008c41280 R08: ffff88801909c600 R09: 0000000000200015 R10: ffffea0000642700 R11: 0000000000000000 R12: 0000000000000000 R13: ffff888036ae7908 R14: ffff88801909c600 R15: ffff88801909c600 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_create_access+0x44/0x560 __ext4_journal_get_create_access+0x54/0x200 ext4_getblk+0x3ca/0x8e0 ext4_bread+0x2e/0x1a0 ext4_append+0x225/0x540 ext4_init_new_dir+0x262/0x4c0 ext4_mkdir+0x3d2/0xb30 vfs_mkdir+0x291/0x4f0 do_mkdirat+0x1a4/0x350 __x64_sys_mkdir+0xf3/0x140 do_syscall_64+0xbf/0x1d0 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f4b2080ec27 Code: 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 53 00 00 00 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:00007f4b1dd84fa8 EFLAGS: 00000246 ORIG_RAX: 0000000000000053 RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f4b2080ec27 RDX: 0000000000000000 RSI: 00000000000001ff RDI: 0000000020000100 RBP: 00007f4b1dd85040 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000020000100 R14: 00007f4b1dd85000 R15: 0000000000000000 </TASK> Sending NMI from CPU 0 to CPUs 1: NMI backtrace for cpu 1 skipped: idling at default_idle+0x1e/0x30 syz-executor.1 (9922) used greatest stack depth: 23648 bytes left ---------------- Code disassembly (best guess): 0: 00 00 add %al,(%rax) 2: 4c 89 ff mov %r15,%rdi 5: 4c 89 44 24 20 mov %r8,0x20(%rsp) a: 48 89 4c 24 18 mov %rcx,0x18(%rsp) f: 48 89 74 24 10 mov %rsi,0x10(%rsp) 14: e8 c4 f3 ff ff callq 0xfffff3dd 19: 4d 8d 4f 40 lea 0x40(%r15),%r9 1d: 84 c0 test %al,%al 1f: 0f 84 9e f8 ff ff je 0xfffff8c3 25: 48 8b 74 24 10 mov 0x10(%rsp),%rsi * 2a: 48 89 f7 mov %rsi,%rdi <-- trapping instruction 2d: e8 ab eb ff ff callq 0xffffebdd 32: 48 89 ef mov %rbp,%rdi 35: 48 8b 74 24 10 mov 0x10(%rsp),%rsi 3a: 48 rex.W 3b: ba 00 00 00 00 mov $0x0,%edx