System crashed with soft lockup due to long looping in '__fsnotify_update_child_dentry_flags()'
Issue
- System shows soft lockup messages.
...
[2894792.540152] watchdog: BUG: soft lockup - CPU#38 stuck for 22s! [gio:4002837]
[2894792.540188] Modules linked in: rpcsec_gss_krb5 auth_rpcgss nfsv4 dns_resolver nfs lockd grace fscache bonding tls nf_tables nfnetlink sunrpc intel_rapl_msr ...
[2894792.540241] CPU: 38 PID: 4002837 Comm: gio Kdump: loaded Not tainted 4.18.0-553.5.1.el8_10.x86_64 #1
[2894792.540244] Hardware name: HPE Synergy 480 Gen10/Synergy 480 Gen10 Compute Module, BIOS I42 09/29/2022
[2894792.540245] RIP: 0010:__fsnotify_update_child_dentry_flags.part.7+0xa5/0x110
[2894792.540254] Code: 84 24 a0 00 00 00 48 8d 98 70 ff ff ff 48 39 c5 75 24 eb 41 80 ce 40 89 13 4c 89 ff c6 07 00 0f 1f 40 00 48 8b 83 90 00 00 00 <48> 8d 98 70 ff ff ff 48 39 c5 74 1f 48 83 7b 30 00 74 e6 4c 8d 7b
[2894792.540256] RSP: 0018:ffffbb8e75b2fe18 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13
[2894792.540258] RAX: ffff8f576ac61350 RBX: ffff8f576ac61ec0 RCX: 0000000000000000
[2894792.540259] RDX: 0000000000284040 RSI: 0000000000000001 RDI: ffff8fb897d7d0d8
[2894792.540260] RBP: ffff8fb6e41a4460 R08: ffffbb8e75b2fe10 R09: 0000000000100000
[2894792.540262] R10: 0000000000000040 R11: 0000000000000218 R12: ffff8fb6e41a43c0
[2894792.540263] R13: 00000000000003ce R14: ffff8fb6e41a4418 R15: ffff8fb897d7d0d8
[2894792.540264] FS: 00007f3364799f00(0000) GS:ffff8fb47fd00000(0000) knlGS:0000000000000000
[2894792.540266] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[2894792.540267] CR2: 000056462bd3cc4f CR3: 0000000da2390006 CR4: 00000000007706e0
[2894792.540268] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[2894792.540269] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[2894792.540270] PKRU: 55555554
[2894792.540271] Call Trace:
[2894792.540273] <IRQ>
[2894792.540276] ? watchdog_timer_fn.cold.10+0x46/0x9e
[2894792.540280] ? watchdog+0x30/0x30
[2894792.540283] ? __hrtimer_run_queues+0x101/0x280
[2894792.540288] ? hrtimer_interrupt+0x100/0x220
[2894792.540290] ? sched_clock+0x5/0x10
[2894792.540296] ? smp_apic_timer_interrupt+0x6a/0x130
[2894792.540300] ? apic_timer_interrupt+0xf/0x20
[2894792.540305] </IRQ>
[2894792.540306] ? __fsnotify_update_child_dentry_flags.part.7+0xa5/0x110
[2894792.540308] ? __fsnotify_update_child_dentry_flags.part.7+0xc4/0x110
[2894792.540310] fsnotify_add_mark_locked+0x247/0x310
[2894792.540314] inotify_update_watch+0x1b8/0x220
[2894792.540318] __x64_sys_inotify_add_watch+0xe3/0x110
[2894792.540320] do_syscall_64+0x5b/0x1b0
[2894792.540327] entry_SYSCALL_64_after_hwframe+0x61/0xc6
[2894792.540330] RIP: 0033:0x7f336218eccb
[2894792.540333] Code: f0 ff ff 73 01 c3 48 8b 0d ba 61 39 00 f7 d8 64 89 01 48 83 c8 ff c3 0f 1f 84 00 00 00 00 00 f3 0f 1e fa b8 fe 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d 8d 61 39 00 f7 d8 64 89 01 48
[2894792.540334] RSP: 002b:00007ffec4463958 EFLAGS: 00000202 ORIG_RAX: 00000000000000fe
[2894792.540336] RAX: ffffffffffffffda RBX: 000056462bf9d550 RCX: 00007f336218eccb
[2894792.540337] RDX: 0000000001002fce RSI: 000056462bf9d3a0 RDI: 0000000000000007
[2894792.540338] RBP: 00007ffec4463984 R08: 0000000000000003 R09: 000056462bf43012
[2894792.540339] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000000
[2894792.540340] R13: 000056462bf95ec0 R14: 000056462bf9d400 R15: 0000000000000000
...
Environment
- Red Hat Enterprise Linux 8.10
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