watchdog: BUG: soft lockup - CPU#0 stuck for 25s! [syz-executor.1:25224] Modules linked in: irq event stamp: 6185229 hardirqs last enabled at (6185228): [] irqentry_exit+0x3b/0x90 hardirqs last disabled at (6185229): [] sysvec_apic_timer_interrupt+0xf/0x80 softirqs last enabled at (6160050): [] handle_softirqs+0x50c/0x770 softirqs last disabled at (6160053): [] __irq_exit_rcu+0xc4/0x100 CPU: 0 UID: 0 PID: 25224 Comm: syz-executor.1 Not tainted 6.12.0-next-20241122 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RIP: 0010:arch_stack_walk+0x79/0xf0 Code: 00 00 4c 89 ea 4c 89 f6 48 8d bd 68 ff ff ff e8 7d aa 07 00 8b 95 68 ff ff ff 85 d2 75 24 eb 36 4c 89 e7 e8 39 e8 79 03 84 c0 <74> 2a 48 8d bd 68 ff ff ff e8 b9 85 07 00 8b 85 68 ff ff ff 85 c0 RSP: 0018:ffff88806ce08dd8 EFLAGS: 00000202 RAX: 0000000000000001 RBX: ffffffff813f2420 RCX: 0000000000000001 RDX: 1ffff1100d9c11f1 RSI: ffffffff845ab7ec RDI: ffff88806ce08eac RBP: ffff88806ce08e70 R08: 0000000000000001 R09: ffff88806ce08e18 R10: 000000000003c001 R11: 00000000000b95b2 R12: ffff88806ce08ea0 R13: 0000000000000000 R14: ffff88801557b700 R15: 0000000000092820 FS: 0000000000000000(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000055f8c37e9978 CR3: 0000000018f5c000 CR4: 0000000000350ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600 Call Trace: 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: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:ffff88803a68efc8 EFLAGS: 00000206 RAX: 0000000000000001 RBX: 1ffff110074d1dfc RCX: 1ffff110074d1de1 RDX: 1ffff11002aaf827 RSI: 0000000000000001 RDI: 00000000565f04fe RBP: 0000000000000200 R08: 0000000000000000 R09: fffffbfff0fdddec R10: ffffffff87eeef67 R11: 1ffffffff0f84150 R12: ffff88806ce41518 R13: 000000000003dc6a R14: ffffea0000f71a80 R15: 0000000000000001 _raw_spin_trylock+0x46/0x60 free_unref_folios+0xcd9/0x1240 folios_put_refs+0x340/0x480 folio_batch_move_lru+0x254/0x320 lru_add_drain_cpu+0x479/0x6e0 lru_add_drain+0xcc/0x390 free_pages_and_swap_cache+0x92/0x430 __tlb_batch_free_encoded_pages+0xfa/0x2b0 tlb_flush_mmu+0xea/0x5b0 unmap_page_range+0x19fb/0x3590 unmap_single_vma+0x19a/0x2b0 unmap_vmas+0x1f1/0x450 exit_mmap+0x187/0xac0 mmput+0xd5/0x350 do_exit+0x9ae/0x2a30 do_group_exit+0xd3/0x2a0 get_signal+0x2240/0x2320 arch_do_signal_or_restart+0x81/0x780 syscall_exit_to_user_mode+0x123/0x1e0 do_syscall_64+0xcc/0x1d0 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f58e9187b19 Code: Unable to access opcode bytes at 0x7f58e9187aef. RSP: 002b:00007f58e66fd188 EFLAGS: 00000246 ORIG_RAX: 0000000000000101 RAX: 0000000000000006 RBX: 00007f58e929af60 RCX: 00007f58e9187b19 RDX: 0000000000000000 RSI: 0000000020000000 RDI: ffffffffffffff9c RBP: 00007f58e91e1f6d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffc9c5a01cf R14: 00007f58e66fd300 R15: 0000000000022000 Sending NMI from CPU 0 to CPUs 1: NMI backtrace for cpu 1 skipped: idling at default_idle+0x1e/0x30 Bluetooth: hci7: command 0x0406 tx timeout ---------------- Code disassembly (best guess): 0: 00 00 add %al,(%rax) 2: 4c 89 ea mov %r13,%rdx 5: 4c 89 f6 mov %r14,%rsi 8: 48 8d bd 68 ff ff ff lea -0x98(%rbp),%rdi f: e8 7d aa 07 00 callq 0x7aa91 14: 8b 95 68 ff ff ff mov -0x98(%rbp),%edx 1a: 85 d2 test %edx,%edx 1c: 75 24 jne 0x42 1e: eb 36 jmp 0x56 20: 4c 89 e7 mov %r12,%rdi 23: e8 39 e8 79 03 callq 0x379e861 28: 84 c0 test %al,%al * 2a: 74 2a je 0x56 <-- trapping instruction 2c: 48 8d bd 68 ff ff ff lea -0x98(%rbp),%rdi 33: e8 b9 85 07 00 callq 0x785f1 38: 8b 85 68 ff ff ff mov -0x98(%rbp),%eax 3e: 85 c0 test %eax,%eax