loop3: detected capacity change from 0 to 1294 FAT-fs (loop3): Directory bread(block 1294) failed FAT-fs (loop3): Directory bread(block 1295) failed watchdog: BUG: soft lockup - CPU#0 stuck for 26s! [syz-executor.1:12509] Modules linked in: irq event stamp: 2735089 hardirqs last enabled at (2735088): [] irqentry_exit+0x3b/0x90 hardirqs last disabled at (2735089): [] sysvec_apic_timer_interrupt+0xf/0x80 softirqs last enabled at (2711996): [] handle_softirqs+0x50c/0x770 softirqs last disabled at (2712007): [] __irq_exit_rcu+0xc4/0x100 CPU: 0 UID: 0 PID: 12509 Comm: syz-executor.1 Not tainted 6.13.0-rc3-next-20241219 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RIP: 0010:unwind_next_frame+0xca5/0x2490 Code: fc ff df 48 c1 ea 03 80 3c 02 00 0f 85 e2 16 00 00 49 89 6f 50 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 c1 ea 03 0f b6 04 02 <84> c0 74 08 3c 03 0f 8e 7b 16 00 00 41 3b 1f 0f 84 c1 09 00 00 65 RSP: 0018:ffff88806ce09598 EFLAGS: 00000212 RAX: 0000000000000000 RBX: 0000000000000001 RCX: 0000000000000001 RDX: 1ffff1100d9c12c1 RSI: ffff88803b4afe10 RDI: ffff88806ce09658 RBP: 0000000000000000 R08: 0000000000000001 R09: ffff88806ce09648 R10: 000000000003aa65 R11: 00000000000951e8 R12: ffff88806ce09668 R13: ffff88806ce09650 R14: ffff88803b4afe10 R15: ffff88806ce09608 FS: 00007f9d5e665700(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fd3e5910000 CR3: 0000000039a7a000 CR4: 0000000000350ef0 Call Trace: arch_stack_walk+0x87/0xf0 stack_trace_save+0x8f/0xc0 kasan_save_stack+0x24/0x50 kasan_save_track+0x14/0x30 __kasan_slab_alloc+0x59/0x70 kmem_cache_alloc_node_noprof+0x14c/0x3e0 kmalloc_reserve+0x189/0x2b0 __alloc_skb+0x162/0x370 skb_copy+0x1d5/0x3b0 mac80211_hwsim_tx_frame_no_nl.isra.0+0xafb/0x1320 mac80211_hwsim_tx_frame+0x1ee/0x2a0 mac80211_hwsim_beacon_tx+0x546/0x950 __iterate_interfaces+0x2e0/0x650 ieee80211_iterate_active_interfaces_atomic+0x71/0x1b0 mac80211_hwsim_beacon+0x105/0x200 __hrtimer_run_queues+0x1ab/0xa80 hrtimer_run_softirq+0x14c/0x310 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:ffff88803b4afb10 EFLAGS: 00000246 RAX: ffff888035aaacb8 RBX: ffff888035aaade0 RCX: ffffea0000d6aa80 RDX: 0000000000000000 RSI: ffff888008c4f780 RDI: ffffffff81a45d06 RBP: ffff888008c4f780 R08: 0000000000000001 R09: fffffbfff0fdfbe1 R10: ffffffff87efdf0f R11: 0000000000000000 R12: 0000000000000000 R13: ffff88803b4afb48 R14: ffff888035aaa378 R15: ffff888035aaa378 kasan_quarantine_reduce+0x19f/0x240 __kasan_slab_alloc+0x49/0x70 kmem_cache_alloc_noprof+0x13d/0x3d0 __alloc_object+0x2f/0x270 __create_object+0x1d/0x80 kmem_cache_alloc_lru_noprof+0x303/0x3c0 __d_alloc+0x31/0x9e0 d_alloc_pseudo+0x1d/0xc0 alloc_file_pseudo+0xcc/0x200 sock_alloc_file+0x53/0x1d0 __sys_socketpair+0x308/0x580 __x64_sys_socketpair+0x97/0x100 do_syscall_64+0xbf/0x1d0 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f9d610efb19 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:00007f9d5e665188 EFLAGS: 00000246 ORIG_RAX: 0000000000000035 RAX: ffffffffffffffda RBX: 00007f9d61202f60 RCX: 00007f9d610efb19 RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000001 RBP: 00007f9d61149f6d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000020000180 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffc81177a4f R14: 00007f9d5e665300 R15: 0000000000022000 Sending NMI from CPU 0 to CPUs 1: NMI backtrace for cpu 1 skipped: idling at default_idle+0x1e/0x30 ---------------- Code disassembly (best guess), 3 bytes skipped: 0: 48 c1 ea 03 shr $0x3,%rdx 4: 80 3c 02 00 cmpb $0x0,(%rdx,%rax,1) 8: 0f 85 e2 16 00 00 jne 0x16f0 e: 49 89 6f 50 mov %rbp,0x50(%r15) 12: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 19: fc ff df 1c: 4c 89 fa mov %r15,%rdx 1f: 48 c1 ea 03 shr $0x3,%rdx 23: 0f b6 04 02 movzbl (%rdx,%rax,1),%eax * 27: 84 c0 test %al,%al <-- trapping instruction 29: 74 08 je 0x33 2b: 3c 03 cmp $0x3,%al 2d: 0f 8e 7b 16 00 00 jle 0x16ae 33: 41 3b 1f cmp (%r15),%ebx 36: 0f 84 c1 09 00 00 je 0x9fd 3c: 65 gs