rpcbind: RPC call returned error 22 watchdog: BUG: soft lockup - CPU#0 stuck for 23s! [syz-executor2:4540] Modules linked in: irq event stamp: 17174738 hardirqs last enabled at (17174737): [] seqcount_lockdep_reader_access include/linux/seqlock.h:83 [inline] hardirqs last enabled at (17174737): [] read_seqcount_begin include/linux/seqlock.h:164 [inline] hardirqs last enabled at (17174737): [] read_seqbegin include/linux/seqlock.h:433 [inline] hardirqs last enabled at (17174737): [] read_seqbegin_or_lock include/linux/seqlock.h:529 [inline] hardirqs last enabled at (17174737): [] d_walk+0x80f/0xc80 fs/dcache.c:1248 hardirqs last disabled at (17174738): [] interrupt_entry+0xb5/0xf0 arch/x86/entry/entry_64.S:625 softirqs last enabled at (17174242): [] __do_softirq+0x778/0xaf5 kernel/softirq.c:311 softirqs last disabled at (17174235): [] invoke_softirq kernel/softirq.c:365 [inline] softirqs last disabled at (17174235): [] irq_exit+0x1d1/0x200 kernel/softirq.c:405 CPU: 0 PID: 4540 Comm: syz-executor2 Not tainted 4.17.0-rc4+ #14 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:783 [inline] RIP: 0010:seqcount_lockdep_reader_access include/linux/seqlock.h:83 [inline] RIP: 0010:read_seqcount_begin include/linux/seqlock.h:164 [inline] RIP: 0010:read_seqbegin include/linux/seqlock.h:433 [inline] RIP: 0010:read_seqbegin_or_lock include/linux/seqlock.h:529 [inline] RIP: 0010:d_walk+0x840/0xc80 fs/dcache.c:1248 RSP: 0018:ffff8801a2c279f8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 RAX: ffff8801a2c1a480 RBX: 0000000000000293 RCX: 1ffff100345835a5 RDX: 0000000000000000 RSI: ffffffff81c6995b RDI: 0000000000000293 RBP: ffff8801a2c27b78 R08: ffff8801a2c1acb8 R09: 0000000000000006 R10: ffff8801a2c1a480 R11: 0000000000000000 R12: 0000000000000200 R13: dffffc0000000000 R14: 1ffff10034584f82 R15: ffff8801a2c27b50 FS: 00000000024f2940(0000) GS:ffff8801dae00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007ffdb12d6fa8 CR3: 00000001a32e9000 CR4: 00000000001406f0 DR0: 0000000020000000 DR1: 0000000020000000 DR2: 00000000200001c0 DR3: 00000000200001c0 DR6: 00000000fffe0ff0 DR7: 0000000000000600 Call Trace: shrink_dcache_parent+0x179/0x230 fs/dcache.c:1486 vfs_rmdir+0x202/0x470 fs/namei.c:3850 do_rmdir+0x523/0x610 fs/namei.c:3911 __do_sys_rmdir fs/namei.c:3929 [inline] __se_sys_rmdir fs/namei.c:3927 [inline] __x64_sys_rmdir+0x36/0x40 fs/namei.c:3927 do_syscall_64+0x1b1/0x800 arch/x86/entry/common.c:287 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x455777 RSP: 002b:00007ffdb12d7208 EFLAGS: 00000202 ORIG_RAX: 0000000000000054 RAX: ffffffffffffffda RBX: 0000000000000065 RCX: 0000000000455777 RDX: 0000000000000000 RSI: 00007ffdb12d8fb0 RDI: 00007ffdb12d8fb0 RBP: 00007ffdb12d8fb0 R08: 0000000000000000 R09: 0000000000000001 R10: 000000000000000a R11: 0000000000000202 R12: 00000000024f3940 R13: 0000000000000000 R14: 000000000000093b R15: 000000000005c470 Code: 88 48 89 f8 48 c1 e8 03 42 80 3c 28 00 0f 85 1e 04 00 00 48 83 3d 18 f2 0a 07 00 0f 84 29 02 00 00 e8 35 94 b2 ff 48 89 df 57 9d <0f> 1f 44 00 00 e8 26 94 b2 ff 49 8d 5f 80 48 c1 eb 03 4c 01 eb Sending NMI from CPU 0 to CPUs 1: NMI backtrace for cpu 1 CPU: 1 PID: 4547 Comm: syz-executor5 Not tainted 4.17.0-rc4+ #14 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:__lock_acquire+0x1fd/0x5140 kernel/locking/lockdep.c:3290 RSP: 0018:ffff88019e407520 EFLAGS: 00000006 RAX: 0000000000000000 RBX: ffffffff89c2cf88 RCX: 0000000000000000 RDX: 1ffff10033d7f5ce RSI: ffff88019ebfae78 RDI: ffffed0033c80f10 RBP: ffff88019e4078a8 R08: 0000000000001511 R09: 0000000000000004 R10: ffff88019ebfaf18 R11: ffff88019ebfa640 R12: 1ffff10033c80ecc R13: 0000000000000000 R14: 4d46f80584fd9b9c R15: 0000000000000001 FS: 00000000025a1940(0000) GS:ffff8801daf00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00000000025b29b8 CR3: 000000019ebdc000 CR4: 00000000001406e0 DR0: 0000000020000080 DR1: 0000000020000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000600 Call Trace: lock_acquire+0x1dc/0x520 kernel/locking/lockdep.c:3920 _raw_spin_lock_nested+0x28/0x40 kernel/locking/spinlock.c:354 d_walk+0x3ad/0xc80 fs/dcache.c:1274 shrink_dcache_parent+0x179/0x230 fs/dcache.c:1486 vfs_rmdir+0x202/0x470 fs/namei.c:3850 do_rmdir+0x523/0x610 fs/namei.c:3911 __do_sys_rmdir fs/namei.c:3929 [inline] __se_sys_rmdir fs/namei.c:3927 [inline] __x64_sys_rmdir+0x36/0x40 fs/namei.c:3927 do_syscall_64+0x1b1/0x800 arch/x86/entry/common.c:287 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x455777 RSP: 002b:00007ffd170a0ef8 EFLAGS: 00000202 ORIG_RAX: 0000000000000054 RAX: ffffffffffffffda RBX: 0000000000000065 RCX: 0000000000455777 RDX: 0000000000000000 RSI: 00007ffd170a2ca0 RDI: 00007ffd170a2ca0 RBP: 00007ffd170a2ca0 R08: 0000000000000000 R09: 0000000000000001 R10: 000000000000000a R11: 0000000000000202 R12: 00000000025a2940 R13: 0000000000000000 R14: 000000000000091f R15: 000000000005c3ec Code: 48 03 8c 24 98 00 00 00 48 8d 79 08 48 c7 01 00 00 00 00 48 83 e7 f8 48 c7 41 50 00 00 00 00 48 29 f9 83 c1 58 c1 e9 03 f3 48 ab <48> 8d 65 d8 44 89 f8 5b 41 5c 41 5d 41 5e 41 5f 5d c3 48 b8 00