EXT4-fs (loop4): mounted filesystem without journal. Opts: ,errors=continue EXT4-fs (loop2): mounted filesystem without journal. Opts: ,errors=continue EXT4-fs (loop1): mounted filesystem without journal. Opts: ,errors=continue watchdog: BUG: soft lockup - CPU#0 stuck for 22s! [syz-executor.5:4843] Modules linked in: irq event stamp: 4724983 hardirqs last enabled at (4724982): [] asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:635 hardirqs last disabled at (4724983): [] sysvec_apic_timer_interrupt+0xb/0xa0 arch/x86/kernel/apic/apic.c:1094 softirqs last enabled at (4710910): [] asm_call_irq_on_stack+0x12/0x20 softirqs last disabled at (4710913): [] asm_call_irq_on_stack+0x12/0x20 CPU: 0 PID: 4843 Comm: syz-executor.5 Not tainted 5.10.215 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RIP: 0010:strcpy+0x61/0xb0 lib/string.c:93 Code: 42 0f b6 04 28 38 d0 7f 04 84 c0 75 3c 48 89 e8 48 89 ea 44 0f b6 66 ff 48 c1 e8 03 83 e2 07 42 0f b6 04 28 38 d0 7f 04 84 c0 <75> 2c 44 88 63 ff 45 84 e4 75 b0 48 83 c4 08 4c 89 f0 5b 5d 41 5c RSP: 0018:ffff88806ce094a8 EFLAGS: 00000246 RAX: 0000000000000000 RBX: ffffe8ffffc1b823 RCX: 0000000000000002 RDX: 0000000000000002 RSI: ffffffff8447d4ab RDI: ffffffff8447d4aa RBP: ffffe8ffffc1b822 R08: 0000000000000001 R09: 1ffff1100d9c6fc0 R10: ffffe8ffffc1b800 R11: 000000000000002c R12: 000000000000006f R13: dffffc0000000000 R14: ffffe8ffffc1b818 R15: ffffffff84eff140 FS: 0000000000000000(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000055752b729678 CR3: 0000000019d0e000 CR4: 0000000000350ef0 Call Trace: strcpy include/linux/string.h:474 [inline] perf_trace_lock_acquire+0x2de/0x590 include/trace/events/lock.h:13 trace_lock_acquire include/trace/events/lock.h:13 [inline] lock_acquire+0x3dc/0x470 kernel/locking/lockdep.c:5537 rcu_lock_acquire include/linux/rcupdate.h:303 [inline] rcu_read_lock include/linux/rcupdate.h:717 [inline] __is_insn_slot_addr+0x3f/0x290 kernel/kprobes.c:299 is_kprobe_insn_slot include/linux/kprobes.h:309 [inline] kernel_text_address kernel/extable.c:149 [inline] kernel_text_address+0xf2/0x120 kernel/extable.c:120 __kernel_text_address+0x9/0x40 kernel/extable.c:105 unwind_get_return_address arch/x86/kernel/unwind_orc.c:323 [inline] unwind_get_return_address+0x55/0xa0 arch/x86/kernel/unwind_orc.c:318 arch_stack_walk+0x99/0xf0 arch/x86/kernel/stacktrace.c:26 stack_trace_save+0x8c/0xc0 kernel/stacktrace.c:121 kasan_save_stack+0x1b/0x40 mm/kasan/common.c:48 kasan_set_track mm/kasan/common.c:56 [inline] __kasan_kmalloc.constprop.0+0xc9/0xd0 mm/kasan/common.c:461 slab_post_alloc_hook mm/slab.h:532 [inline] slab_alloc_node mm/slub.c:2896 [inline] kmem_cache_alloc_node+0x14b/0x330 mm/slub.c:2932 __alloc_skb+0x6d/0x5b0 net/core/skbuff.c:198 skb_copy+0x137/0x2f0 net/core/skbuff.c:1521 mac80211_hwsim_tx_frame_no_nl.isra.0+0xb1d/0x13d0 drivers/net/wireless/mac80211_hwsim.c:1499 mac80211_hwsim_tx_frame+0x152/0x1e0 drivers/net/wireless/mac80211_hwsim.c:1716 mac80211_hwsim_beacon_tx+0x494/0x940 drivers/net/wireless/mac80211_hwsim.c:1770 __iterate_interfaces+0x1f0/0x550 net/mac80211/util.c:792 ieee80211_iterate_active_interfaces_atomic+0x71/0x1c0 net/mac80211/util.c:828 mac80211_hwsim_beacon+0xd1/0x1d0 drivers/net/wireless/mac80211_hwsim.c:1793 __run_hrtimer kernel/time/hrtimer.c:1584 [inline] __hrtimer_run_queues+0x632/0xb40 kernel/time/hrtimer.c:1648 hrtimer_run_softirq+0x148/0x310 kernel/time/hrtimer.c:1665 __do_softirq+0x1b8/0x7c9 kernel/softirq.c:298 asm_call_irq_on_stack+0x12/0x20 __run_on_irqstack arch/x86/include/asm/irq_stack.h:26 [inline] run_on_irqstack_cond arch/x86/include/asm/irq_stack.h:77 [inline] do_softirq_own_stack+0x80/0xa0 arch/x86/kernel/irq_64.c:77 invoke_softirq kernel/softirq.c:393 [inline] __irq_exit_rcu kernel/softirq.c:423 [inline] irq_exit_rcu+0x114/0x1b0 kernel/softirq.c:435 sysvec_apic_timer_interrupt+0x43/0xa0 arch/x86/kernel/apic/apic.c:1094 asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:635 RIP: 0010:__sanitizer_cov_trace_cmp4+0x4/0x20 kernel/kcov.c:258 Code: 00 00 00 00 66 90 48 8b 0c 24 0f b7 d6 0f b7 f7 bf 02 00 00 00 e9 4c ff ff ff 66 66 2e 0f 1f 84 00 00 00 00 00 90 48 8b 0c 24 <89> f2 89 fe bf 04 00 00 00 e9 2e ff ff ff 66 66 2e 0f 1f 84 00 00 RSP: 0018:ffff888048917628 EFLAGS: 00000206 RAX: 0000000000000000 RBX: 00000000000001fe RCX: ffffffff8156e680 RDX: ffff888046953480 RSI: 0000000000000169 RDI: 00000000000001fe RBP: 0000000000000169 R08: 0000000000000001 R09: ffffea000101a8f7 R10: 0000000000000000 R11: 0000000000000001 R12: ffffea000101a800 R13: dffffc0000000000 R14: ffff88801d156b58 R15: ffffea000101a8c0 release_pages+0x740/0xc20 mm/swap.c:879 tlb_batch_pages_flush mm/mmu_gather.c:49 [inline] tlb_flush_mmu_free mm/mmu_gather.c:240 [inline] tlb_flush_mmu+0xe9/0x6e0 mm/mmu_gather.c:247 zap_pte_range mm/memory.c:1355 [inline] zap_pmd_range mm/memory.c:1404 [inline] zap_pud_range mm/memory.c:1433 [inline] zap_p4d_range mm/memory.c:1454 [inline] unmap_page_range+0x17d9/0x1fe0 mm/memory.c:1475 unmap_single_vma+0x198/0x300 mm/memory.c:1520 unmap_vmas+0x16d/0x300 mm/memory.c:1552 exit_mmap+0x27f/0x4f0 mm/mmap.c:3235 __mmput kernel/fork.c:1101 [inline] mmput+0xca/0x340 kernel/fork.c:1122 exit_mm kernel/exit.c:534 [inline] do_exit+0xa96/0x2600 kernel/exit.c:845 do_group_exit+0x125/0x310 kernel/exit.c:980 get_signal+0x4bc/0x22e0 kernel/signal.c:2751 arch_do_signal_or_restart+0x2b7/0x1990 arch/x86/kernel/signal.c:805 handle_signal_work kernel/entry/common.c:145 [inline] exit_to_user_mode_loop kernel/entry/common.c:169 [inline] exit_to_user_mode_prepare+0x10f/0x190 kernel/entry/common.c:199 syscall_exit_to_user_mode+0x38/0x1d0 kernel/entry/common.c:274 entry_SYSCALL_64_after_hwframe+0x67/0xcc RIP: 0033:0x7f1247273b19 Code: Unable to access opcode bytes at RIP 0x7f1247273aef. RSP: 002b:00007f12447e9188 EFLAGS: 00000246 ORIG_RAX: 0000000000000039 RAX: fffffffffffffff4 RBX: 00007f1247386f60 RCX: 00007f1247273b19 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 00007f12472cdf6d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fff39a3adef R14: 00007f12447e9300 R15: 0000000000022000 Sending NMI from CPU 0 to CPUs 1: NMI backtrace for cpu 1 CPU: 1 PID: 0 Comm: swapper/1 Not tainted 5.10.215 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RIP: 0010:cpu_relax arch/x86/include/asm/vdso/processor.h:19 [inline] RIP: 0010:virt_spin_lock arch/x86/include/asm/qspinlock.h:100 [inline] RIP: 0010:queued_spin_lock_slowpath+0x122/0x8c0 kernel/locking/qspinlock.c:326 Code: 00 00 00 65 48 2b 04 25 28 00 00 00 0f 85 09 07 00 00 48 81 c4 88 00 00 00 5b 5d 41 5c 41 5d 41 5e 41 5f e9 00 99 f8 02 f3 90 73 ff ff ff 44 8b 74 24 48 41 81 fe 00 01 00 00 0f 84 e1 00 00 RSP: 0018:ffff88806cf09a38 EFLAGS: 00000202 RAX: 0000000000000000 RBX: ffffffff87a00180 RCX: ffffffff8127a647 RDX: fffffbfff0f40031 RSI: 0000000000000004 RDI: ffffffff87a00180 RBP: 0000000000000001 R08: 0000000000000000 R09: ffffffff87a00183 R10: fffffbfff0f40030 R11: 0000000000000001 R12: 0000000000000003 R13: fffffbfff0f40030 R14: 0000000000000001 R15: 1ffff1100d9e1348 FS: 0000000000000000(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000055752b729678 CR3: 0000000019d0e000 CR4: 0000000000350ee0 Call Trace: queued_spin_lock include/asm-generic/qspinlock.h:85 [inline] do_raw_spin_lock+0x1dc/0x260 kernel/locking/spinlock_debug.c:113 spin_lock include/linux/spinlock.h:354 [inline] mac80211_hwsim_tx_frame_no_nl.isra.0+0x695/0x13d0 drivers/net/wireless/mac80211_hwsim.c:1450 mac80211_hwsim_tx_frame+0x152/0x1e0 drivers/net/wireless/mac80211_hwsim.c:1716 mac80211_hwsim_beacon_tx+0x494/0x940 drivers/net/wireless/mac80211_hwsim.c:1770 __iterate_interfaces+0x1f0/0x550 net/mac80211/util.c:792 ieee80211_iterate_active_interfaces_atomic+0x71/0x1c0 net/mac80211/util.c:828 mac80211_hwsim_beacon+0xd1/0x1d0 drivers/net/wireless/mac80211_hwsim.c:1793 __run_hrtimer kernel/time/hrtimer.c:1584 [inline] __hrtimer_run_queues+0x632/0xb40 kernel/time/hrtimer.c:1648 hrtimer_run_softirq+0x148/0x310 kernel/time/hrtimer.c:1665 __do_softirq+0x1b8/0x7c9 kernel/softirq.c:298 asm_call_irq_on_stack+0x12/0x20 __run_on_irqstack arch/x86/include/asm/irq_stack.h:26 [inline] run_on_irqstack_cond arch/x86/include/asm/irq_stack.h:77 [inline] do_softirq_own_stack+0x80/0xa0 arch/x86/kernel/irq_64.c:77 invoke_softirq kernel/softirq.c:393 [inline] __irq_exit_rcu kernel/softirq.c:423 [inline] irq_exit_rcu+0x114/0x1b0 kernel/softirq.c:435 sysvec_apic_timer_interrupt+0x43/0xa0 arch/x86/kernel/apic/apic.c:1094 asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:635 RIP: 0010:default_idle+0xe/0x20 arch/x86/kernel/process.c:707 Code: 4e ff ff ff 4c 89 e7 e8 a0 f5 85 fd eb 8f 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 e9 07 00 00 00 0f 00 2d 54 90 5b 00 fb f4 8d 91 39 00 cc cc cc cc cc cc cc cc cc cc cc cc cc 41 55 41 54 RSP: 0018:ffff88800898fe70 EFLAGS: 00000202 RAX: ffffffff83e6ae20 RBX: 0000000000000001 RCX: ffffffff83e52c1c RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffff83e6b428 RBP: ffffed1001130000 R08: 0000000000000001 R09: ffff88806cf3c12b R10: ffffed100d9e7825 R11: 0000000000000001 R12: 0000000000000001 R13: ffffffff85673e08 R14: 0000000000000000 R15: dffffc0000000000 default_idle_call+0xbf/0x2c0 kernel/sched/idle.c:112 cpuidle_idle_call kernel/sched/idle.c:194 [inline] do_idle+0x3ad/0x520 kernel/sched/idle.c:300 cpu_startup_entry+0x14/0x20 kernel/sched/idle.c:396 secondary_startup_64_no_verify+0xbe/0xcb ---------------- Code disassembly (best guess): 0: 42 0f b6 04 28 movzbl (%rax,%r13,1),%eax 5: 38 d0 cmp %dl,%al 7: 7f 04 jg 0xd 9: 84 c0 test %al,%al b: 75 3c jne 0x49 d: 48 89 e8 mov %rbp,%rax 10: 48 89 ea mov %rbp,%rdx 13: 44 0f b6 66 ff movzbl -0x1(%rsi),%r12d 18: 48 c1 e8 03 shr $0x3,%rax 1c: 83 e2 07 and $0x7,%edx 1f: 42 0f b6 04 28 movzbl (%rax,%r13,1),%eax 24: 38 d0 cmp %dl,%al 26: 7f 04 jg 0x2c 28: 84 c0 test %al,%al * 2a: 75 2c jne 0x58 <-- trapping instruction 2c: 44 88 63 ff mov %r12b,-0x1(%rbx) 30: 45 84 e4 test %r12b,%r12b 33: 75 b0 jne 0xffffffe5 35: 48 83 c4 08 add $0x8,%rsp 39: 4c 89 f0 mov %r14,%rax 3c: 5b pop %rbx 3d: 5d pop %rbp 3e: 41 5c pop %r12