CUSE: unknown device info "ÿÿÿÿ" CUSE: unknown device info "!" CUSE: unknown device info "* ÇÍäÈ2Õ–IÍ?²" CUSE: zero length info key specified watchdog: BUG: soft lockup - CPU#1 stuck for 121s! [syz-executor.2:5238] Modules linked in: irq event stamp: 39394929 hardirqs last enabled at (39394928): [] __raw_spin_unlock_irq include/linux/spinlock_api_smp.h:168 [inline] hardirqs last enabled at (39394928): [] _raw_spin_unlock_irq+0x24/0x80 kernel/locking/spinlock.c:192 hardirqs last disabled at (39394929): [] trace_hardirqs_off_thunk+0x1a/0x1c softirqs last enabled at (35175920): [] __do_softirq+0x69a/0x9a0 kernel/softirq.c:318 softirqs last disabled at (35175923): [] invoke_softirq kernel/softirq.c:372 [inline] softirqs last disabled at (35175923): [] irq_exit+0x215/0x260 kernel/softirq.c:412 CPU: 1 PID: 5238 Comm: syz-executor.2 Not tainted 4.19.152-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:arch_local_irq_restore arch/x86/include/asm/paravirt.h:789 [inline] RIP: 0010:lock_acquire+0x1ec/0x3c0 kernel/locking/lockdep.c:3910 Code: 08 00 00 00 00 00 00 48 c1 e8 03 80 3c 10 00 0f 85 b7 01 00 00 48 83 3d e9 e3 a4 08 00 0f 84 2a 01 00 00 48 8b 7c 24 08 57 9d <0f> 1f 44 00 00 48 83 c4 18 5b 5d 41 5c 41 5d 41 5e 41 5f c3 65 8b RSP: 0018:ffff8880ba107c80 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 RAX: 1ffffffff13e2fe9 RBX: ffff888093f446c0 RCX: 0000000000005524 RDX: dffffc0000000000 RSI: 00000000f7fa0285 RDI: 0000000000000282 RBP: ffff88805d532138 R08: ffffffff8cd37e20 R09: 0000000000000002 R10: ffff888093f44f98 R11: 0000000000000000 R12: 0000000000000000 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001 FS: 00007f1f305b1700(0000) GS:ffff8880ba100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000c01104b034 CR3: 000000009da72000 CR4: 00000000001406e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: __raw_spin_lock include/linux/spinlock_api_smp.h:142 [inline] _raw_spin_lock+0x2a/0x40 kernel/locking/spinlock.c:144 spin_lock include/linux/spinlock.h:329 [inline] mrp_join_timer+0x23/0xc0 net/802/mrp.c:593 call_timer_fn+0x177/0x700 kernel/time/timer.c:1338 expire_timers+0x243/0x4e0 kernel/time/timer.c:1375 __run_timers kernel/time/timer.c:1703 [inline] run_timer_softirq+0x21c/0x670 kernel/time/timer.c:1716 __do_softirq+0x26c/0x9a0 kernel/softirq.c:292 invoke_softirq kernel/softirq.c:372 [inline] irq_exit+0x215/0x260 kernel/softirq.c:412 exiting_irq arch/x86/include/asm/apic.h:544 [inline] smp_apic_timer_interrupt+0x136/0x550 arch/x86/kernel/apic/apic.c:1094 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:894 RIP: 0010:zap_pte_range mm/memory.c:1316 [inline] RIP: 0010:zap_pmd_range mm/memory.c:1452 [inline] RIP: 0010:zap_pud_range mm/memory.c:1481 [inline] RIP: 0010:zap_p4d_range mm/memory.c:1502 [inline] RIP: 0010:unmap_page_range+0xaa5/0x2a70 mm/memory.c:1523 Code: 4c 01 f0 48 89 84 24 88 00 00 00 49 8d 87 00 f0 ff ff 48 89 44 24 70 e8 a9 ab d6 ff 48 8b 44 24 30 48 c1 e8 03 42 80 3c 30 00 <0f> 85 77 1a 00 00 48 8b 44 24 30 31 ff 4c 8b 20 4c 89 e3 48 83 e3 RSP: 0018:ffff888036007768 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 RAX: 1ffff1100b39a134 RBX: 0000000001190000 RCX: ffffffff818e256f RDX: 0000000000000000 RSI: ffffffff818e2107 RDI: 0000000000000006 RBP: ffffea00019a4cc8 R08: 0000000000000000 R09: 0000000001190000 R10: 0000000000000006 R11: 0000000000000000 R12: 0000000000000001 R13: ffffea00019a4cc0 R14: dffffc0000000000 R15: 0000000001135000 unmap_single_vma+0x198/0x300 mm/memory.c:1568 unmap_vmas+0xa9/0x180 mm/memory.c:1598 exit_mmap+0x2b9/0x530 mm/mmap.c:3093 __mmput kernel/fork.c:1015 [inline] mmput+0x14e/0x4a0 kernel/fork.c:1036 exit_mm kernel/exit.c:546 [inline] do_exit+0xab5/0x2b70 kernel/exit.c:874 do_group_exit+0x125/0x310 kernel/exit.c:990 get_signal+0x3f2/0x1f70 kernel/signal.c:2588 do_signal+0x8f/0x1670 arch/x86/kernel/signal.c:821 exit_to_usermode_loop+0x204/0x2a0 arch/x86/entry/common.c:163 prepare_exit_to_usermode arch/x86/entry/common.c:198 [inline] syscall_return_slowpath arch/x86/entry/common.c:271 [inline] do_syscall_64+0x538/0x620 arch/x86/entry/common.c:296 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x45de59 Code: 89 4c 24 78 48 8b 6c 24 58 48 83 c4 60 c3 48 89 4c 24 30 90 48 8d 05 f6 6c 61 01 48 89 04 24 e8 7d cd fa ff 48 8d 05 a6 29 44 <00> 48 89 04 24 48 8b 05 eb 6c 61 01 48 89 44 24 08 8b 44 24 70 89 RSP: 002b:00007f1f305b0c78 EFLAGS: 00000246 ORIG_RAX: 000000000000001c RAX: 0000000000000000 RBX: 0000000000020e00 RCX: 000000000045de59 RDX: 0000000000000009 RSI: 0000000000600003 RDI: 0000000020000000 RBP: 000000000118bf60 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 000000000118bf2c R13: 00007fff234d774f R14: 00007f1f305b19c0 R15: 000000000118bf2c Sending NMI from CPU 1 to CPUs 0: NMI backtrace for cpu 0 CPU: 0 PID: 9132 Comm: kworker/u4:5 Not tainted 4.19.152-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Workqueue: phy27 ieee80211_iface_work RIP: 0010:quarantine_put+0xa7/0x1f0 mm/kasan/quarantine.c:210 Code: 81 fb 00 00 10 00 48 89 58 10 77 52 41 f7 c4 00 02 00 00 75 1f 48 83 3d ae 70 56 08 00 74 39 4c 89 e7 57 9d 0f 1f 44 00 00 5b <5d> 41 5c 41 5d e9 0f f5 ce ff e8 ea f0 ce ff 48 83 3d 8a 70 56 08 RSP: 0018:ffff88805b2579a8 EFLAGS: 00000082 RAX: ffff8880ba028680 RBX: 0000000000000001 RCX: ffffffff837fdedf RDX: ffff888094bcc7c0 RSI: ffffffff837fde81 RDI: 0000000000000082 RBP: ffff888094bc97c0 R08: 0000000000400000 R09: 0000000000000000 R10: 0000000000000007 R11: 00000000d524fd65 R12: 0000000000000082 R13: ffff88813bff0940 R14: 0000000000000000 R15: ffff888094bc98b0 FS: 0000000000000000(0000) GS:ffff8880ba000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000055759e618d10 CR3: 00000000ab96e000 CR4: 00000000001406f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: __kasan_slab_free+0x186/0x1f0 mm/kasan/kasan.c:522 __cache_free mm/slab.c:3503 [inline] kfree+0xcc/0x210 mm/slab.c:3822 skb_free_head net/core/skbuff.c:554 [inline] skb_release_data+0x6de/0x920 net/core/skbuff.c:574 skb_release_all net/core/skbuff.c:631 [inline] __kfree_skb net/core/skbuff.c:645 [inline] kfree_skb+0x11a/0x3d0 net/core/skbuff.c:663 ieee80211_iface_work+0x289/0x8a0 net/mac80211/iface.c:1357 process_one_work+0x864/0x1570 kernel/workqueue.c:2155 worker_thread+0x64c/0x1130 kernel/workqueue.c:2298 kthread+0x33f/0x460 kernel/kthread.c:259 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:415