Kernel panic due to not syncing: CRED: put_cred_rcu() sees ffff88102ca17a40 with usage 2

Solution Unverified - Updated -

Issue

  • System crash with below calltraces
[4359431.488994] Kernel panic - not syncing: CRED: put_cred_rcu() sees ffff88102ca17a40 with usage 2

[4359431.490265] CPU: 1 PID: 0 Comm: swapper/1 Tainted: G        W  OE  ------------ T 3.10.0-514.10.2.el7.x86_64 #1
[4359431.490891] Hardware name: HP ProLiant BL460c Gen9, BIOS I36 12/28/2015
[4359431.491520]  ffffffff818c8df0 df9aecc891114d7e ffff88103ee43dd0 ffffffff816863ef
[4359431.492120]  ffff88103ee43e50 ffffffff8167f7f6 0000000000000018 ffff88103ee43e60
[4359431.492844]  ffff88103ee43e00 df9aecc891114d7e ffff88102ca16480 ffff88102ca17a40
[4359431.493593] Call Trace:
[4359431.494311]  <IRQ>  [<ffffffff816863ef>] dump_stack+0x19/0x1b
[4359431.494954]  [<ffffffff8167f7f6>] panic+0xe3/0x1f2
[4359431.495566]  [<ffffffff810b72ec>] put_cred_rcu+0xbc/0xc0
[4359431.496186]  [<ffffffff8113977d>] rcu_process_callbacks+0x1dd/0x550
[4359431.496798]  [<ffffffff8108f2cf>] __do_softirq+0xef/0x280
[4359431.497467]  [<ffffffff8169849c>] call_softirq+0x1c/0x30
[4359431.498122]  [<ffffffff8102d365>] do_softirq+0x65/0xa0
[4359431.498739]  [<ffffffff8108f665>] irq_exit+0x115/0x120
[4359431.499360]  [<ffffffff81699115>] smp_apic_timer_interrupt+0x45/0x60
[4359431.499958]  [<ffffffff8169765d>] apic_timer_interrupt+0x6d/0x80
[4359431.500569]  <EOI>  [<ffffffff81514392>] ? cpuidle_enter_state+0x52/0xc0
[4359431.501157]  [<ffffffff815144d9>] cpuidle_idle_call+0xd9/0x210
[4359431.501725]  [<ffffffff810350ee>] arch_cpu_idle+0xe/0x30
[4359431.502408]  [<ffffffff810e7e65>] cpu_startup_entry+0x245/0x290
[4359431.502943]  [<ffffffff8104f07a>] start_secondary+0x1ba/0x230

Environment

  • Red Hat Enterprise Linux 7

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