watchdog: BUG: soft lockup - CPU#1 stuck for 22s! [syz-executor.2:10424] Modules linked in: irq event stamp: 2437771 hardirqs last enabled at (2437770): [] irqentry_exit+0x3b/0x90 hardirqs last disabled at (2437771): [] sysvec_apic_timer_interrupt+0xf/0x80 softirqs last enabled at (2420224): [] handle_softirqs+0x50c/0x770 softirqs last disabled at (2420227): [] irq_exit_rcu+0x94/0xc0 CPU: 1 UID: 0 PID: 10424 Comm: syz-executor.2 Not tainted 6.12.0-rc5-next-20241104 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RIP: 0010:unwind_get_return_address+0x59/0xa0 Code: 5d e9 bb 4a 71 03 48 b8 00 00 00 00 00 fc ff df 48 8d 6b 58 48 89 ea 48 c1 ea 03 80 3c 02 00 75 36 48 8b 7b 58 e8 57 64 0d 00 <85> c0 74 cf 48 b8 00 00 00 00 00 fc ff df 48 89 ea 48 c1 ea 03 80 RSP: 0018:ffff88806cf08dc0 EFLAGS: 00000202 RAX: 0000000000000001 RBX: ffff88806cf08dd8 RCX: 0000000000000001 RDX: 1ffff1100d9e11c6 RSI: ffff88806cf09c88 RDI: ffffffff84597f38 RBP: ffff88806cf08e30 R08: 0000000000000001 R09: ffff88806cf08e18 R10: 000000000003c001 R11: 00000000000b7a06 R12: ffff88806cf08ea0 R13: 0000000000000000 R14: ffff8880137ad280 R15: 0000000000092820 FS: 00007ff7c4188700(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b32d29000 CR3: 000000002ced8000 CR4: 0000000000350ef0 Call Trace: 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+0x94/0xc0 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 54 9f ab ff 4d 85 ed 74 06 e8 2a 6d 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:ffff88802de1f6d0 EFLAGS: 00000246 RAX: 000000000023e0a7 RBX: ffffea0000377140 RCX: 1ffffffff0fde6c7 RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffff81846b56 RBP: ffff888008c4f780 R08: 0000000000000001 R09: fffffbfff0fdc5e9 R10: ffffffff87ee2f4f R11: 00000000000007e0 R12: ffff88806cf40350 R13: 0000000000000200 R14: 0000000000000000 R15: ffff88800ddc55c8 qlist_free_all+0x50/0x160 kasan_quarantine_reduce+0x19f/0x240 __kasan_slab_alloc+0x49/0x70 kmem_cache_alloc_lru_noprof+0x14c/0x3c0 proc_alloc_inode+0x27/0x210 alloc_inode+0x63/0x240 new_inode+0x1c/0x190 proc_pid_make_inode+0x21/0x170 proc_pident_instantiate+0x85/0x320 proc_pident_lookup+0x211/0x2a0 lookup_open.isra.0+0x79a/0x1550 path_openat+0xc91/0x2980 do_filp_open+0x1b8/0x410 do_sys_openat2+0x164/0x1d0 __x64_sys_openat+0x143/0x200 do_syscall_64+0xbf/0x1d0 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7ff7c6bc5a04 Code: 84 00 00 00 00 00 44 89 54 24 0c e8 96 f9 ff ff 44 8b 54 24 0c 44 89 e2 48 89 ee 41 89 c0 bf 9c ff ff ff b8 01 01 00 00 0f 05 <48> 3d 00 f0 ff ff 77 34 44 89 c7 89 44 24 0c e8 c8 f9 ff ff 8b 44 RSP: 002b:00007ff7c4188060 EFLAGS: 00000293 ORIG_RAX: 0000000000000101 RAX: ffffffffffffffda RBX: 00007ff7c6d25f60 RCX: 00007ff7c6bc5a04 RDX: 0000000000000002 RSI: 00007ff7c41880f0 RDI: 00000000ffffff9c RBP: 00007ff7c41880f0 R08: 0000000000000000 R09: 00007ff7c4187f70 R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000002 R13: 00007ffd3ae941bf R14: 00007ff7c4188300 R15: 0000000000022000 Sending NMI from CPU 1 to CPUs 0: NMI backtrace for cpu 0 skipped: idling at default_idle+0x1e/0x30 Bluetooth: hci3: command 0x0406 tx timeout Bluetooth: hci1: command 0x0406 tx timeout Bluetooth: hci7: command 0x0406 tx timeout Bluetooth: hci6: command 0x0406 tx timeout Bluetooth: hci4: command 0x0406 tx timeout Bluetooth: hci5: command 0x0406 tx timeout ---------------- Code disassembly (best guess): 0: 5d pop %rbp 1: e9 bb 4a 71 03 jmpq 0x3714ac1 6: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax d: fc ff df 10: 48 8d 6b 58 lea 0x58(%rbx),%rbp 14: 48 89 ea mov %rbp,%rdx 17: 48 c1 ea 03 shr $0x3,%rdx 1b: 80 3c 02 00 cmpb $0x0,(%rdx,%rax,1) 1f: 75 36 jne 0x57 21: 48 8b 7b 58 mov 0x58(%rbx),%rdi 25: e8 57 64 0d 00 callq 0xd6481 * 2a: 85 c0 test %eax,%eax <-- trapping instruction 2c: 74 cf je 0xfffffffd 2e: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 35: fc ff df 38: 48 89 ea mov %rbp,%rdx 3b: 48 c1 ea 03 shr $0x3,%rdx 3f: 80 .byte 0x80