EXT4-fs (loop2): error count since last fsck: 1 EXT4-fs (loop2): initial error at time 1623206625: ext4_orphan_get:1257 EXT4-fs (loop2): last error at time 1623206625: ext4_orphan_get:1257 watchdog: BUG: soft lockup - CPU#1 stuck for 22s! [syz-executor.4:17300] Modules linked in: irq event stamp: 3158577 hardirqs last enabled at (3158576): [] trace_hardirqs_on_thunk+0x1a/0x1c hardirqs last disabled at (3158577): [] trace_hardirqs_off_thunk+0x1a/0x1c softirqs last enabled at (156224): [] __do_softirq+0x678/0x980 kernel/softirq.c:318 softirqs last disabled at (156229): [] invoke_softirq kernel/softirq.c:372 [inline] softirqs last disabled at (156229): [] irq_exit+0x215/0x260 kernel/softirq.c:412 CPU: 1 PID: 17300 Comm: syz-executor.4 Not tainted 4.19.193-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_release+0x429/0x8b0 kernel/locking/lockdep.c:3930 Code: 84 08 00 00 00 00 00 00 48 c1 e8 03 80 3c 10 00 0f 85 95 03 00 00 48 83 3d 8b 3c a6 08 00 0f 84 cc 01 00 00 48 8b 3c 24 57 9d <0f> 1f 44 00 00 48 b8 00 00 00 00 00 fc ff df 49 c7 04 04 00 00 00 RSP: 0018:ffff8880ba107ab0 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 RAX: 1ffffffff13e3049 RBX: ffff88808dbec140 RCX: 1ffff11011b7d943 RDX: dffffc0000000000 RSI: 0000000000000003 RDI: 0000000000000282 RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000002 R10: 0000000000000000 R11: 0000000000000000 R12: 1ffff11017420f59 R13: d0e43736fe140bd5 R14: ffff88808dbec140 R15: 0000000000000003 FS: 00007f4414b5a700(0000) GS:ffff8880ba100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007ff92b6e0000 CR3: 0000000047989000 CR4: 00000000001406e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: rcu_lock_release include/linux/rcupdate.h:247 [inline] rcu_read_unlock_bh include/linux/rcupdate.h:719 [inline] __dev_queue_xmit+0x1612/0x2e00 net/core/dev.c:3865 mrp_queue_xmit net/802/mrp.c:354 [inline] mrp_join_timer+0x8a/0xc0 net/802/mrp.c:598 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:1696 [inline] run_timer_softirq+0x21c/0x670 kernel/time/timer.c:1709 __do_softirq+0x265/0x980 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:535 [inline] smp_apic_timer_interrupt+0x136/0x550 arch/x86/kernel/apic/apic.c:1098 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:894 RIP: 0010:arch_local_irq_restore arch/x86/include/asm/paravirt.h:789 [inline] RIP: 0010:rcu_read_unlock_special+0x456/0xfc0 kernel/rcu/tree_plugin.h:601 Code: 00 00 00 00 00 fc ff df 48 c1 e8 03 80 3c 10 00 0f 85 bd 09 00 00 48 83 3d 2e 2d a0 08 00 0f 84 37 06 00 00 48 8b 3c 24 57 9d <0f> 1f 44 00 00 48 83 c4 40 5b 5d 41 5c 41 5d 41 5e 41 5f c3 c3 48 RSP: 0018:ffff888030bbfbd0 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 RAX: 1ffffffff13e3049 RBX: 0000000000000000 RCX: 0000000000000000 RDX: dffffc0000000000 RSI: ffff88808dbec9c8 RDI: 0000000000000282 RBP: ffff88808dbec4b4 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: ffff88808dbec140 R13: ffff88808dbec4b6 R14: ffff88808dbec4b5 R15: ffffffff89f881c0 __rcu_read_unlock+0x158/0x160 kernel/rcu/tree_plugin.h:428 rcu_read_unlock include/linux/rcupdate.h:680 [inline] bpf_test_run_one net/bpf/test_run.c:23 [inline] bpf_test_run+0x14d/0x440 net/bpf/test_run.c:43 bpf_prog_test_run_skb+0x579/0x9c0 net/bpf/test_run.c:147 bpf_prog_test_run kernel/bpf/syscall.c:1791 [inline] __do_sys_bpf kernel/bpf/syscall.c:2436 [inline] __se_sys_bpf+0xc9e/0x3a20 kernel/bpf/syscall.c:2379 do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x4665d9 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:00007f4414b5a188 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 RAX: ffffffffffffffda RBX: 000000000056bf80 RCX: 00000000004665d9 RDX: 0000000000000040 RSI: 00000000200000c0 RDI: 000000000000000a RBP: 00000000004bfcb9 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 000000000056bf80 R13: 00007ffc7784f36f R14: 00007f4414b5a300 R15: 0000000000022000 Sending NMI from CPU 1 to CPUs 0: NMI backtrace for cpu 0 CPU: 0 PID: 17302 Comm: syz-executor.2 Not tainted 4.19.193-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:__pvclock_read_cycles arch/x86/include/asm/pvclock.h:87 [inline] RIP: 0010:pvclock_clocksource_read+0x1d0/0x520 arch/x86/kernel/pvclock.c:87 Code: ac d0 20 4c 89 fa 83 e6 07 0f b6 0c 29 48 c1 ea 03 0f b6 14 2a 40 38 f2 40 0f 9e c6 84 d2 0f 95 c2 40 84 d6 0f 85 ac 01 00 00 <4c> 89 d2 83 e2 07 38 d1 40 0f 9e c6 84 c9 0f 95 c2 40 84 d6 0f 85 RSP: 0018:ffff8880ba0077d8 EFLAGS: 00000046 RAX: 000000a480eb911c RBX: ffffffff8c661000 RCX: 0000000000000000 RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000001 RBP: dffffc0000000000 R08: ffffffff8c661018 R09: ffffffff8c66100f R10: ffffffff8c661017 R11: ffffffff8c66101b R12: ffffffff8c661003 R13: fffffbfff18cc201 R14: ffffffff8c66101d R15: ffffffff8c661010 FS: 00007f1190a1a700(0000) GS:ffff8880ba000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000c022e3ad20 CR3: 000000004371c000 CR4: 00000000001406f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: kvm_clock_read arch/x86/kernel/kvmclock.c:103 [inline] kvm_clock_get_cycles+0x14/0x30 arch/x86/kernel/kvmclock.c:110 tk_clock_read kernel/time/timekeeping.c:172 [inline] timekeeping_get_delta kernel/time/timekeeping.c:266 [inline] timekeeping_get_ns kernel/time/timekeeping.c:373 [inline] ktime_get_update_offsets_now+0x183/0x460 kernel/time/timekeeping.c:2228 hrtimer_update_base kernel/time/hrtimer.c:621 [inline] hrtimer_interrupt+0x138/0x9e0 kernel/time/hrtimer.c:1521 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1071 [inline] smp_apic_timer_interrupt+0x10c/0x550 arch/x86/kernel/apic/apic.c:1096 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:894 RIP: 0010:arch_local_irq_restore arch/x86/include/asm/paravirt.h:789 [inline] RIP: 0010:kfree+0x123/0x210 mm/slab.c:3823 Code: 89 ea 48 89 ee 4c 89 e7 e8 da ee ff ff f6 c7 02 74 ca e8 50 8a cf ff 48 83 3d c0 6c 59 08 00 0f 84 eb 00 00 00 48 89 df 57 9d <0f> 1f 44 00 00 5b 5d 41 5c 41 5d c3 65 8b 05 8a 6b 69 7e 83 f8 07 RSP: 0018:ffff8880ba007a70 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 RAX: 0000000000000007 RBX: 0000000000000282 RCX: 1ffff110067765bf RDX: 0000000000000000 RSI: ffff888033bb2e00 RDI: 0000000000000282 RBP: ffff88802c1eb4c0 R08: 0000000000400000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: ffff88813bff0c40 R13: ffffffff86702cfe R14: 0000000000000000 R15: ffff88802c1ebbb0 skb_free_head net/core/skbuff.c:563 [inline] skb_release_data+0x6de/0x920 net/core/skbuff.c:583 skb_release_all net/core/skbuff.c:640 [inline] __kfree_skb net/core/skbuff.c:654 [inline] kfree_skb+0x11a/0x3d0 net/core/skbuff.c:672 kfree_skb_list+0x3f/0x60 net/core/skbuff.c:681 __dev_xmit_skb net/core/dev.c:3506 [inline] __dev_queue_xmit+0x2973/0x2e00 net/core/dev.c:3807 mrp_queue_xmit net/802/mrp.c:354 [inline] mrp_join_timer+0x8a/0xc0 net/802/mrp.c:598 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:1696 [inline] run_timer_softirq+0x21c/0x670 kernel/time/timer.c:1709 __do_softirq+0x265/0x980 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:535 [inline] smp_apic_timer_interrupt+0x136/0x550 arch/x86/kernel/apic/apic.c:1098 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:894 RIP: 0010:check_preemption_disabled+0x2c/0x280 lib/smp_processor_id.c:15 Code: 41 56 41 55 49 89 f5 41 54 55 48 89 fd 53 e8 5b 7b eb fd 65 44 8b 25 53 83 8a 7c 65 8b 1d 2c e1 8a 7c 81 e3 ff ff ff 7f 31 ff <89> de e8 ad 7c eb fd 85 db 74 18 e8 34 7b eb fd e8 2f 7b eb fd 44 RSP: 0018:ffff88803270f668 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 RAX: ffff888033bb2500 RBX: 0000000000000002 RCX: 0000000000000001 RDX: 0000000000000000 RSI: ffffffff8376fdd5 RDI: 0000000000000000 RBP: ffffffff88b3dc40 R08: 00000000dba81147 R09: 0000000000000001 R10: ffff888033bb2db0 R11: 0000000000000000 R12: 0000000000000000 R13: ffffffff88b3dc00 R14: ffffea0002c15e00 R15: 00007f119135f000 rcu_dynticks_curr_cpu_in_eqs kernel/rcu/tree.c:348 [inline] rcu_is_watching+0x12/0xc0 kernel/rcu/tree.c:1025 rcu_read_lock include/linux/rcupdate.h:628 [inline] lock_page_memcg+0x132/0x220 mm/memcontrol.c:1908 page_remove_file_rmap+0x36/0xa30 mm/rmap.c:1215 page_remove_rmap+0xe5/0x120 mm/rmap.c:1300 zap_pte_range mm/memory.c:1350 [inline] zap_pmd_range mm/memory.c:1452 [inline] zap_pud_range mm/memory.c:1481 [inline] zap_p4d_range mm/memory.c:1502 [inline] unmap_page_range+0x12f6/0x2a70 mm/memory.c:1523 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:549 [inline] do_exit+0xaec/0x2be0 kernel/exit.c:857 do_group_exit+0x125/0x310 kernel/exit.c:967 get_signal+0x3f2/0x1f70 kernel/signal.c:2589 do_signal+0x8f/0x1670 arch/x86/kernel/signal.c:799 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: 0033:0x4665d9 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:00007f1190a1a188 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: 000000000000bafe RBX: 000000000056bf80 RCX: 00000000004665d9 RDX: 00000000000005dc RSI: 0000000020000480 RDI: 0000000000000003 RBP: 00000000004bfcb9 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 000000000056bf80 R13: 00007fff7279435f R14: 00007f1190a1a300 R15: 0000000000022000