Bluetooth: hci7: command 0x0406 tx timeout watchdog: BUG: soft lockup - CPU#1 stuck for 22s! [syz-executor.5:13579] Modules linked in: irq event stamp: 2660391 hardirqs last enabled at (2660390): [] ___slab_alloc+0x4f1/0x1200 hardirqs last disabled at (2660391): [] sysvec_apic_timer_interrupt+0xf/0x80 softirqs last enabled at (2647380): [] handle_softirqs+0x50c/0x770 softirqs last disabled at (2647383): [] __irq_exit_rcu+0xc4/0x100 CPU: 1 UID: 0 PID: 13579 Comm: syz-executor.5 Not tainted 6.12.0-next-20241120 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RIP: 0010:lock_acquire.part.0+0x10e/0x320 Code: b6 c9 e8 65 a6 ff ff b8 ff ff ff ff 48 83 c4 28 65 0f c1 05 cc 47 d2 7e 83 f8 01 0f 85 aa 01 00 00 48 85 ed 0f 85 9b 01 00 00 <48> b8 00 00 00 00 00 fc ff df 48 01 c3 48 c7 03 00 00 00 00 48 c7 RSP: 0018:ffff88806cf08c88 EFLAGS: 00000206 RAX: 0000000000000001 RBX: 1ffff1100d9e1194 RCX: 1ffff1100d9e1179 RDX: 1ffff110018024b7 RSI: 0000000000000001 RDI: 00000000bb18c81a RBP: 0000000000000200 R08: 0000000000000000 R09: fffffbfff0fdd9ec R10: ffffffff87eecf67 R11: 00000000000c397a R12: ffffffff85c16140 R13: 0000000000000000 R14: ffff88800c011b80 R15: 0000000000092820 FS: 00007f5c7f66a700(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b31e2a000 CR3: 0000000013868000 CR4: 0000000000350ef0 Call Trace: __is_insn_slot_addr+0x3f/0x290 kernel_text_address+0x48/0xc0 __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_noprof+0x13d/0x3d0 __alloc_object+0x2f/0x270 __create_object+0x1d/0x80 __kmalloc_noprof+0x37e/0x4b0 ieee802_11_parse_elems_full+0xec/0x15a0 ieee80211_inform_bss+0xf7/0x10b0 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:put_cpu_partial+0x10a/0x1b0 Code: 24 28 75 5b 49 c7 44 24 28 00 00 00 00 4c 89 e7 48 8d 35 00 00 00 00 e8 44 92 ab ff 4d 85 ed 74 06 e8 6a 5f d5 ff fb 4d 85 f6 <74> 1c 5b 4c 89 f6 48 89 ef 5d 41 5c 41 5d 41 5e e9 c1 fa ff ff 44 RSP: 0018:ffff888032c5fa70 EFLAGS: 00000246 RAX: 000000000027c0c5 RBX: ffffea0000350800 RCX: 1ffffffff0fdfacf RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffff8184a686 RBP: ffff888009406640 R08: 0000000000000001 R09: fffffbfff0fdd9f1 R10: ffffffff87eecf8f R11: 0000000000000000 R12: ffff88806cf42180 R13: 0000000000000200 R14: 0000000000000000 R15: ffff88800d421f38 qlist_free_all+0x50/0x160 kasan_quarantine_reduce+0x19f/0x240 __kasan_slab_alloc+0x49/0x70 kmem_cache_alloc_noprof+0x13d/0x3d0 __alloc_object+0x2f/0x270 __create_object+0x1d/0x80 __kmalloc_cache_noprof+0x316/0x3e0 percpu_ref_init+0xe1/0x400 cgroup_apply_control_enable+0x4a0/0xa40 cgroup_mkdir+0x36e/0xfd0 kernfs_iop_mkdir+0x151/0x1e0 vfs_mkdir+0x291/0x4f0 do_mkdirat+0x1a4/0x350 __x64_sys_mkdirat+0x84/0xb0 do_syscall_64+0xbf/0x1d0 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f5c820f4b19 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:00007f5c7f66a188 EFLAGS: 00000246 ORIG_RAX: 0000000000000102 RAX: ffffffffffffffda RBX: 00007f5c82207f60 RCX: 00007f5c820f4b19 RDX: 00000000000001ff RSI: 00000000200001c0 RDI: ffffffffffffff9c RBP: 00007f5c8214ef6d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffd6f87de2f R14: 00007f5c7f66a300 R15: 0000000000022000 Sending NMI from CPU 1 to CPUs 0: NMI backtrace for cpu 0 skipped: idling at default_idle+0x1e/0x30 ---------------- Code disassembly (best guess): 0: b6 c9 mov $0xc9,%dh 2: e8 65 a6 ff ff callq 0xffffa66c 7: b8 ff ff ff ff mov $0xffffffff,%eax c: 48 83 c4 28 add $0x28,%rsp 10: 65 0f c1 05 cc 47 d2 xadd %eax,%gs:0x7ed247cc(%rip) # 0x7ed247e4 17: 7e 18: 83 f8 01 cmp $0x1,%eax 1b: 0f 85 aa 01 00 00 jne 0x1cb 21: 48 85 ed test %rbp,%rbp 24: 0f 85 9b 01 00 00 jne 0x1c5 * 2a: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax <-- trapping instruction 31: fc ff df 34: 48 01 c3 add %rax,%rbx 37: 48 c7 03 00 00 00 00 movq $0x0,(%rbx) 3e: 48 rex.W 3f: c7 .byte 0xc7