FAT-fs (loop6): Invalid FSINFO signature: 0x00000000, 0x00000000 (sector = 1) Process accounting resumed loop7: detected capacity change from 0 to 256 FAT-fs (loop7): Invalid FSINFO signature: 0x00000000, 0x00000000 (sector = 1) watchdog: BUG: soft lockup - CPU#1 stuck for 26s! [syz-executor.3:4471] Modules linked in: irq event stamp: 4895095 hardirqs last enabled at (4895094): [] asm_sysvec_x86_platform_ipi-0xa/0x20 hardirqs last disabled at (4895095): [] sysvec_apic_timer_interrupt+0xb/0xd0 softirqs last enabled at (4877966): [] __irq_exit_rcu+0x11b/0x190 softirqs last disabled at (4877969): [] __irq_exit_rcu+0x11b/0x190 CPU: 1 PID: 4471 Comm: syz-executor.3 Not tainted 6.1.0-rc1-next-20221021 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RIP: 0010:stack_trace_consume_entry+0xa/0x170 Code: e9 52 fd ff ff e8 d6 a1 fc 02 cc cc cc cc cc cc 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 48 b8 00 00 00 00 00 fc ff df <55> 53 48 89 fb 48 83 c7 10 48 89 fa 48 c1 ea 03 48 83 ec 08 0f b6 RSP: 0018:ffff88806cf096c8 EFLAGS: 00000282 RAX: dffffc0000000000 RBX: ffffffff81374ff0 RCX: 0000000000000000 RDX: 1ffff1100d9e12e5 RSI: ffffffff8173cce3 RDI: ffff88806cf09798 RBP: ffff88806cf09768 R08: ffffffff8605eca8 R09: ffffffff8605ecac R10: ffff88806cf09ff8 R11: ffff88806cf09710 R12: ffff88806cf09798 R13: 0000000000000000 R14: ffff88801f6f0000 R15: 0000000000000000 FS: 00007f2d37020700(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b2d53c000 CR3: 00000000430d4000 CR4: 0000000000350ee0 Call Trace: arch_stack_walk+0x73/0x100 stack_trace_save+0x8c/0xd0 kasan_save_stack+0x1e/0x50 kasan_set_track+0x21/0x40 __kasan_slab_alloc+0x58/0x80 kmem_cache_alloc+0x1a9/0x3f0 __create_object+0x3d/0xc20 __kmem_cache_alloc_node+0x22f/0x3e0 __kmalloc_node_track_caller+0x3d/0xc0 __alloc_skb+0xdd/0x310 __netdev_alloc_skb+0x72/0x3f0 __ieee80211_beacon_get+0x3de/0x1390 ieee80211_beacon_get_tim+0x95/0x4f0 mac80211_hwsim_beacon_tx+0x1ce/0xac0 __iterate_interfaces+0x2d3/0x570 ieee80211_iterate_active_interfaces_atomic+0x70/0x190 mac80211_hwsim_beacon+0x101/0x210 __hrtimer_run_queues+0x541/0xb60 hrtimer_run_softirq+0x172/0x350 __do_softirq+0x1c3/0x8f5 __irq_exit_rcu+0x11b/0x190 irq_exit_rcu+0x5/0x30 sysvec_apic_timer_interrupt+0x8e/0xd0 asm_sysvec_x86_platform_ipi-0xa/0x20 RIP: 0010:_raw_spin_unlock_irqrestore+0x2e/0x70 Code: 48 83 c7 18 53 48 89 f3 48 8b 74 24 10 e8 9a 74 f5 fc 48 89 ef e8 12 ec f5 fc 80 e7 02 74 06 e8 98 15 19 fd fb bf 01 00 00 00 bd 61 eb fc 65 8b 05 ee 68 cd 7b 85 c0 74 07 5b 5d e9 1b 29 00 RSP: 0018:ffff8880454e7700 EFLAGS: 00000202 RAX: 0000000000451067 RBX: 0000000000000286 RCX: ffffffff812ae29f RDX: 0000000000000000 RSI: 0000000000000002 RDI: 0000000000000001 RBP: ffff88806cf3d8c0 R08: 0000000000000001 R09: ffffffff8720782f R10: fffffbfff0e40f05 R11: 0000000000000001 R12: 0000000000000001 R13: 000000000000f428 R14: 0000000000000000 R15: ffff88807ffdc500 free_unref_page+0x313/0x400 __unfreeze_partials+0x130/0x160 qlist_free_all+0x6d/0x1b0 kasan_quarantine_reduce+0x192/0x230 __kasan_slab_alloc+0x48/0x80 kmem_cache_alloc+0x1a9/0x3f0 __create_object+0x3d/0xc20 kmem_cache_alloc+0x235/0x3f0 ptlock_alloc+0x1d/0x80 pte_alloc_one+0x68/0x210 __pte_alloc+0x69/0x220 remap_pfn_range_notrack+0x95c/0xf00 remap_pfn_range+0xc6/0x150 io_uring_mmap+0x3c0/0x3e8 mmap_region+0x6c7/0x1a20 do_mmap+0x828/0xf50 vm_mmap_pgoff+0x1af/0x280 ksys_mmap_pgoff+0x3d0/0x500 do_syscall_64+0x3b/0xa0 entry_SYSCALL_64_after_hwframe+0x72/0xdc RIP: 0033:0x7f2d39aaab62 Code: 00 00 00 00 00 0f 1f 00 41 f7 c1 ff 0f 00 00 75 27 55 48 89 fd 53 89 cb 48 85 ff 74 3b 41 89 da 48 89 ef b8 09 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 66 5b 5d c3 0f 1f 00 48 c7 c0 bc ff ff ff 64 RSP: 002b:00007f2d370200f8 EFLAGS: 00000206 ORIG_RAX: 0000000000000009 RAX: ffffffffffffffda RBX: 0000000000008011 RCX: 00007f2d39aaab62 RDX: 0000000000000003 RSI: 0000000000120140 RDI: 0000000020ffd000 RBP: 0000000020ffd000 R08: 0000000000000009 R09: 0000000000000000 R10: 0000000000008011 R11: 0000000000000206 R12: 0000000020000300 R13: 0000000020ffe000 R14: 0000000020000000 R15: 0000000020ffd000 Sending NMI from CPU 1 to CPUs 0: NMI backtrace for cpu 0 skipped: idling at default_idle+0xb/0x20 ---------------- Code disassembly (best guess): 0: e9 52 fd ff ff jmpq 0xfffffd57 5: e8 d6 a1 fc 02 callq 0x2fca1e0 a: cc int3 b: cc int3 c: cc int3 d: cc int3 e: cc int3 f: cc int3 10: 90 nop 11: 90 nop 12: 90 nop 13: 90 nop 14: 90 nop 15: 90 nop 16: 90 nop 17: 90 nop 18: 90 nop 19: 90 nop 1a: 90 nop 1b: 90 nop 1c: 90 nop 1d: 90 nop 1e: 90 nop 1f: 90 nop 20: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 27: fc ff df * 2a: 55 push %rbp <-- trapping instruction 2b: 53 push %rbx 2c: 48 89 fb mov %rdi,%rbx 2f: 48 83 c7 10 add $0x10,%rdi 33: 48 89 fa mov %rdi,%rdx 36: 48 c1 ea 03 shr $0x3,%rdx 3a: 48 83 ec 08 sub $0x8,%rsp 3e: 0f .byte 0xf 3f: b6 .byte 0xb6