EXT4-fs (loop5): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: none. EXT4-fs (loop5): unmounting filesystem 00000000-0000-0000-0000-000000000000. EXT4-fs (sda): re-mounted 7b5d9a40-9011-49ec-8035-27953f97a4d8 r/w. Quota mode: none. watchdog: BUG: soft lockup - CPU#1 stuck for 22s! [syz-executor.0:8861] Modules linked in: irq event stamp: 2499815 hardirqs last enabled at (2499814): [] irqentry_exit+0x3b/0x90 hardirqs last disabled at (2499815): [] sysvec_apic_timer_interrupt+0xf/0x80 softirqs last enabled at (2494160): [] handle_softirqs+0x50c/0x770 softirqs last disabled at (2494175): [] __irq_exit_rcu+0xc4/0x100 CPU: 1 UID: 0 PID: 8861 Comm: syz-executor.0 Not tainted 6.13.0-rc3-next-20241220 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RIP: 0010:__kernel_text_address+0x32/0x40 Code: e8 23 ff ff ff 85 c0 75 1b 48 81 fb 00 b0 d5 86 72 0c 31 c0 48 81 fb da b5 eb 86 0f 92 c0 5b e9 64 3b 68 03 b8 01 00 00 00 5b 59 3b 68 03 66 0f 1f 84 00 00 00 00 00 90 90 90 90 90 90 90 90 RSP: 0018:ffff88806cf09078 EFLAGS: 00000202 RAX: 0000000000000001 RBX: ffff88806cf09098 RCX: ffffffff8679ba01 RDX: 1ffff1100d9e121e RSI: 0000000000000000 RDI: ffffffff84a81150 RBP: ffff88806cf090f0 R08: ffffffff8679ba3e R09: ffff88806cf090d8 R10: 000000000003aab6 R11: 00000000000084a5 R12: ffff88806cf09160 R13: 0000000000000000 R14: ffff88800ed28000 R15: ffff888041331000 FS: 00007f0f716db700(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000055557c63ec18 CR3: 000000002c498000 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+0x80c/0x10b0 cfg80211_inform_single_bss_data+0x801/0x1c70 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 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 77 f0 ff ff 49 89 c7 66 90 RSP: 0018:ffff888015c9fac0 EFLAGS: 00000246 RAX: ffff88803e88b4a0 RBX: ffff88803e88b818 RCX: ffffea0000fa22c0 RDX: 0000000000000000 RSI: ffff888008c4f780 RDI: 0000000000080000 RBP: ffff888008c4f780 R08: ffff8880161b8378 R09: 00000000000d000a R10: ffffea0000586e00 R11: 0000000000000000 R12: 0000000000000000 R13: ffff888015c9faf8 R14: ffff8880161b8378 R15: ffff8880161b8378 kasan_quarantine_reduce+0x19f/0x240 __kasan_slab_alloc+0x49/0x70 kmem_cache_alloc_noprof+0x13d/0x3d0 __alloc_object+0x2f/0x270 __create_object+0x1d/0x80 pcpu_alloc_noprof+0x777/0x11b0 register_netdevice+0x7e8/0x1ab0 __tun_chr_ioctl+0x21f5/0x42e0 __x64_sys_ioctl+0x1a7/0x210 do_syscall_64+0xbf/0x1d0 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f0f74165b19 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:00007f0f716db188 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00007f0f74278f60 RCX: 00007f0f74165b19 RDX: 0000000020000000 RSI: 00000000400454ca RDI: 0000000000000007 RBP: 00007f0f741bff6d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffc8aa6f05f R14: 00007f0f716db300 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 ---------------- Code disassembly (best guess): 0: e8 23 ff ff ff callq 0xffffff28 5: 85 c0 test %eax,%eax 7: 75 1b jne 0x24 9: 48 81 fb 00 b0 d5 86 cmp $0xffffffff86d5b000,%rbx 10: 72 0c jb 0x1e 12: 31 c0 xor %eax,%eax 14: 48 81 fb da b5 eb 86 cmp $0xffffffff86ebb5da,%rbx 1b: 0f 92 c0 setb %al 1e: 5b pop %rbx 1f: e9 64 3b 68 03 jmpq 0x3683b88 24: b8 01 00 00 00 mov $0x1,%eax 29: 5b pop %rbx * 2a: e9 59 3b 68 03 jmpq 0x3683b88 <-- trapping instruction 2f: 66 0f 1f 84 00 00 00 nopw 0x0(%rax,%rax,1) 36: 00 00 38: 90 nop 39: 90 nop 3a: 90 nop 3b: 90 nop 3c: 90 nop 3d: 90 nop 3e: 90 nop 3f: 90 nop