loop3: detected capacity change from 0 to 40 FAT-fs (loop3): Unrecognized mount option "Å3â€" or missing value loop6: detected capacity change from 0 to 40 watchdog: BUG: soft lockup - CPU#1 stuck for 22s! [syz-executor.2:4626] Modules linked in: irq event stamp: 13712377 hardirqs last enabled at (13712376): [] asm_sysvec_apic_timer_interrupt+0x1a/0x20 hardirqs last disabled at (13712377): [] sysvec_apic_timer_interrupt+0xf/0x90 softirqs last enabled at (13665254): [] irq_exit_rcu+0x93/0xc0 softirqs last disabled at (13665269): [] irq_exit_rcu+0x93/0xc0 CPU: 1 PID: 4626 Comm: syz-executor.2 Not tainted 6.4.0-rc3-next-20230524 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RIP: 0010:lock_acquire+0x1c7/0x4c0 Code: ff ff 48 83 c4 28 65 0f c1 05 05 00 d5 7e 83 f8 01 0f 85 8f 02 00 00 48 83 7c 24 08 00 74 01 fb 48 b8 00 00 00 00 00 fc ff df <48> 01 c3 48 c7 03 00 00 00 00 48 c7 43 08 00 00 00 00 48 8b 84 24 RSP: 0018:ffff88806cf094b0 EFLAGS: 00000206 RAX: dffffc0000000000 RBX: 1ffff1100d9e1298 RCX: 0000000000000001 RDX: 1ffff11008800b75 RSI: 78032192f1052a7d RDI: 00000000b6b7d436 RBP: 0000000000000000 R08: 0000000000000000 R09: fffffbfff0ef4578 R10: ffffffff877a2bc7 R11: 0000000000000001 R12: 0000000000000002 R13: 0000000000000000 R14: ffffffff8560b380 R15: 0000000000000000 FS: 00007f0c76c55700(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000055b750b3d7c8 CR3: 000000000f06e000 CR4: 0000000000350ee0 Call Trace: __is_insn_slot_addr+0x41/0x290 kernel_text_address+0x48/0xc0 __kernel_text_address+0xd/0x40 unwind_get_return_address+0x59/0xa0 arch_stack_walk+0x9d/0xf0 stack_trace_save+0x90/0xd0 kasan_save_stack+0x22/0x50 kasan_set_track+0x25/0x30 __kasan_slab_alloc+0x59/0x70 kmem_cache_alloc+0x172/0x390 __create_object+0x3c/0xc90 kmem_cache_alloc_node+0x229/0x3a0 __alloc_skb+0x28c/0x330 skb_copy+0x13d/0x3f0 mac80211_hwsim_tx_frame_no_nl.isra.0+0xb11/0x1330 mac80211_hwsim_tx_frame+0x1ee/0x2a0 mac80211_hwsim_beacon_tx+0x427/0x730 __iterate_interfaces+0x2d3/0x580 ieee80211_iterate_active_interfaces_atomic+0x73/0x1c0 mac80211_hwsim_beacon+0x105/0x200 __hrtimer_run_queues+0x59d/0xb60 hrtimer_run_softirq+0x14c/0x310 __do_softirq+0x1b7/0x7d4 irq_exit_rcu+0x93/0xc0 sysvec_apic_timer_interrupt+0x6e/0x90 asm_sysvec_apic_timer_interrupt+0x1a/0x20 RIP: 0010:put_cpu_partial+0x107/0x1b0 Code: 39 45 28 75 5e 48 c7 45 28 00 00 00 00 48 c7 c6 c2 97 80 81 48 89 ef e8 07 e6 ac ff 48 85 db 74 06 e8 dd a0 d2 ff fb 4d 85 f6 <74> 1e 5b 4c 89 f6 5d 4c 89 e7 41 5c 41 5d 41 5e 41 5f e9 92 fa ff RSP: 0018:ffff888041bdfa68 EFLAGS: 00000286 RAX: 0000000000d083f3 RBX: 0000000000000200 RCX: ffffffff812cdb5f RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffff818097e3 RBP: ffff88806cf3dfe0 R08: 0000000000000001 R09: fffffbfff0ef457d R10: ffffffff877a2bef R11: 0000000000000001 R12: ffff88800844f780 R13: ffffea000066a5c0 R14: ffffea00005ac3c0 R15: 0000000000000001 qlist_free_all+0x6d/0x1a0 kasan_quarantine_reduce+0x199/0x230 __kasan_slab_alloc+0x49/0x70 kmem_cache_alloc+0x172/0x390 __create_object+0x3c/0xc90 kmem_cache_alloc+0x213/0x390 vm_area_alloc+0x20/0x200 mmap_region+0x419/0x2650 do_mmap+0x84e/0xee0 ioctx_alloc+0x7f9/0x2010 __x64_sys_io_setup+0xc8/0x1f0 do_syscall_64+0x3f/0x90 entry_SYSCALL_64_after_hwframe+0x72/0xdc RIP: 0033:0x7f0c796dfb19 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:00007f0c76c55188 EFLAGS: 00000246 ORIG_RAX: 00000000000000ce RAX: ffffffffffffffda RBX: 00007f0c797f2f60 RCX: 00007f0c796dfb19 RDX: 0000000000000000 RSI: 0000000020000140 RDI: 00000000000003ff RBP: 00007f0c79739f6d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fff64ac021f R14: 00007f0c76c55300 R15: 0000000000022000 Sending NMI from CPU 1 to CPUs 0: NMI backtrace for cpu 0 CPU: 0 PID: 0 Comm: swapper/0 Not tainted 6.4.0-rc3-next-20230524 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RIP: 0010:queued_spin_lock_slowpath+0x128/0xb20 Code: 00 00 00 65 48 2b 04 25 28 00 00 00 0f 85 5c 09 00 00 48 81 c4 88 00 00 00 5b 5d 41 5c 41 5d 41 5e 41 5f e9 6a 21 00 00 f3 90 71 ff ff ff 44 8b 74 24 48 41 81 fe 00 01 00 00 0f 84 e4 00 00 RSP: 0018:ffff88806ce09a38 EFLAGS: 00000202 RAX: 0000000000000000 RBX: 0000000000000001 RCX: ffffffff844fd21b RDX: fffffbfff0b4bf59 RSI: 0000000000000004 RDI: ffffffff85a5fac0 RBP: ffffffff85a5fac0 R08: 0000000000000000 R09: fffffbfff0b4bf58 R10: ffffffff85a5fac3 R11: 0000000000000001 R12: 0000000000000003 R13: fffffbfff0b4bf58 R14: 0000000000000001 R15: 1ffff1100d9c1348 FS: 0000000000000000(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f79f9602010 CR3: 000000001659a000 CR4: 0000000000350ef0 Call Trace: do_raw_spin_lock+0x1e0/0x270 mac80211_hwsim_tx_frame_no_nl.isra.0+0x6e7/0x1330 mac80211_hwsim_tx_frame+0x1ee/0x2a0 mac80211_hwsim_beacon_tx+0x427/0x730 __iterate_interfaces+0x2d3/0x580 ieee80211_iterate_active_interfaces_atomic+0x73/0x1c0 mac80211_hwsim_beacon+0x105/0x200 __hrtimer_run_queues+0x59d/0xb60 hrtimer_run_softirq+0x14c/0x310 __do_softirq+0x1b7/0x7d4 irq_exit_rcu+0x93/0xc0 sysvec_apic_timer_interrupt+0x6e/0x90 asm_sysvec_apic_timer_interrupt+0x1a/0x20 RIP: 0010:default_idle+0xf/0x20 Code: 4c 01 c7 4c 29 c2 e9 72 ff ff ff 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa eb 07 0f 00 2d 33 d7 34 00 fb f4 e9 ab 4b 02 00 66 66 2e 0f 1f 84 00 00 00 00 00 90 90 90 90 90 RSP: 0018:ffffffff85407e10 EFLAGS: 00000202 RAX: 0000000000202a67 RBX: 0000000000000000 RCX: ffffffff844d98be RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffff812880b5 RBP: dffffc0000000000 R08: 0000000000000001 R09: ffffed100d9c69f8 R10: ffff88806ce34fc3 R11: 0000000000000001 R12: ffffffff85d36f90 R13: 1ffffffff0a80fc7 R14: 0000000000000000 R15: 0000000000000000 default_idle_call+0x67/0xa0 do_idle+0x305/0x3c0 cpu_startup_entry+0x18/0x20 rest_init+0x168/0x290 arch_call_rest_init+0x13/0x40 start_kernel+0x3c9/0x4f0 x86_64_start_reservations+0x18/0x30 x86_64_start_kernel+0xcf/0xe0 secondary_startup_64_no_verify+0x179/0x17b ---------------- Code disassembly (best guess), 2 bytes skipped: 0: 48 83 c4 28 add $0x28,%rsp 4: 65 0f c1 05 05 00 d5 xadd %eax,%gs:0x7ed50005(%rip) # 0x7ed50011 b: 7e c: 83 f8 01 cmp $0x1,%eax f: 0f 85 8f 02 00 00 jne 0x2a4 15: 48 83 7c 24 08 00 cmpq $0x0,0x8(%rsp) 1b: 74 01 je 0x1e 1d: fb sti 1e: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 25: fc ff df * 28: 48 01 c3 add %rax,%rbx <-- trapping instruction 2b: 48 c7 03 00 00 00 00 movq $0x0,(%rbx) 32: 48 c7 43 08 00 00 00 movq $0x0,0x8(%rbx) 39: 00 3a: 48 rex.W 3b: 8b .byte 0x8b 3c: 84 .byte 0x84 3d: 24 .byte 0x24