EXT4-fs (loop7): mount failed loop5: detected capacity change from 0 to 16 EXT4-fs (loop5): VFS: Can't find ext4 filesystem EXT4-fs (loop4): unmounting filesystem 00000000-0000-0000-0000-000000000000. watchdog: BUG: soft lockup - CPU#1 stuck for 26s! [syz-executor.2:9433] Modules linked in: irq event stamp: 3117955 hardirqs last enabled at (3117954): [] irqentry_exit+0x3b/0x90 hardirqs last disabled at (3117955): [] sysvec_apic_timer_interrupt+0xf/0x80 softirqs last enabled at (3114858): [] handle_softirqs+0x50c/0x770 softirqs last disabled at (3114861): [] __irq_exit_rcu+0xc4/0x100 CPU: 1 UID: 0 PID: 9433 Comm: syz-executor.2 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:__x86_indirect_thunk_rbx+0xa/0x20 Code: e8 01 00 00 00 cc 48 89 14 24 e9 31 06 00 00 66 66 2e 0f 1f 84 00 00 00 00 00 66 0f 1f 44 00 00 e8 01 00 00 00 cc 48 89 1c 24 11 06 00 00 66 66 2e 0f 1f 84 00 00 00 00 00 66 0f 1f 44 00 00 RSP: 0018:ffff88806cf090c8 EFLAGS: 00000282 RAX: ffffffff84509046 RBX: ffffffff813f2420 RCX: 0000000000000001 RDX: 1ffff1100d9e1226 RSI: ffffffff84509046 RDI: ffff88806cf091a0 RBP: ffff88806cf09170 R08: 0000000000000001 R09: ffff88806cf09118 R10: 000000000003c001 R11: 00000000000b3646 R12: ffff88806cf091a0 R13: 0000000000000000 R14: ffff888016be8000 R15: 0000000000092820 FS: 00007ff1d2e73700(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000555560d08708 CR3: 000000001657a000 CR4: 0000000000350ef0 Call Trace: __pfx_stack_trace_consume_entry+0x10/0x10 arch_stack_walk+0x77/0xf0 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 cfg80211_inform_single_bss_data+0x4f1/0x1c50 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:__slab_free+0x194/0x310 Code: 48 8d 65 d8 5b 41 5c 41 5d 41 5e 41 5f 5d e9 83 f8 ff ff 44 89 f0 4d 89 ee 4d 89 dd 45 89 d3 4c 8b 14 24 4d 85 ed 75 04 66 90 3b 4d 85 f6 74 04 84 c0 74 0b 66 85 db 0f 84 9c 00 00 00 66 90 RSP: 0018:ffff88803b057530 EFLAGS: 00000246 RAX: 0000000000000000 RBX: 00000000000c000b RCX: 00000000000c000b RDX: 00000000000c000c RSI: ffffea0000f78240 RDI: 0000000000080000 RBP: ffff88803b0575d0 R08: ffff88803de09b40 R09: 00000000000c000b R10: ffffea0000f78201 R11: ffffea00003ce978 R12: ffffea0000f78240 R13: 0000000000000000 R14: 0000000000000000 R15: ffff8880096a1280 qlist_free_all+0x50/0x160 kasan_quarantine_reduce+0x19f/0x240 __kasan_kmalloc+0x6f/0x90 __kmalloc_noprof+0x1f7/0x4b0 __register_sysctl_table+0xb6/0x16d0 devinet_init_net+0x378/0x910 ops_init+0x1e1/0x650 setup_net+0x1d7/0x7a0 copy_net_ns+0x2e3/0x6f0 create_new_namespaces+0x3f6/0xaf0 copy_namespaces+0x45c/0x580 copy_process+0x2704/0x8e90 kernel_clone+0xeb/0x850 __do_sys_clone3+0x1d9/0x260 do_syscall_64+0xbf/0x1d0 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7ff1d58fdb19 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:00007ff1d2e73188 EFLAGS: 00000246 ORIG_RAX: 00000000000001b3 RAX: ffffffffffffffda RBX: 00007ff1d5a10f60 RCX: 00007ff1d58fdb19 RDX: 0000000000000000 RSI: 0000000000000058 RDI: 0000000020004c00 RBP: 00007ff1d5957f6d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffc73b7b24f R14: 00007ff1d2e73300 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: e8 01 00 00 00 callq 0x6 5: cc int3 6: 48 89 14 24 mov %rdx,(%rsp) a: e9 31 06 00 00 jmpq 0x640 f: 66 66 2e 0f 1f 84 00 data16 nopw %cs:0x0(%rax,%rax,1) 16: 00 00 00 00 1a: 66 0f 1f 44 00 00 nopw 0x0(%rax,%rax,1) 20: e8 01 00 00 00 callq 0x26 25: cc int3 26: 48 89 1c 24 mov %rbx,(%rsp) * 2a: e9 11 06 00 00 jmpq 0x640 <-- trapping instruction 2f: 66 66 2e 0f 1f 84 00 data16 nopw %cs:0x0(%rax,%rax,1) 36: 00 00 00 00 3a: 66 0f 1f 44 00 00 nopw 0x0(%rax,%rax,1)