Server crash at "kmem_cache_free+0x37"

Issue

• server crashed at "kmem_cache_free+0x37"

PID: 11464  TASK: ffff8102c4a3c7a0  CPU: 5   COMMAND: "grep"
 #0 [ffff810024869c30] crash_kexec at ffffffff800b0037
 #1 [ffff810024869cf0] __die at ffffffff80065137
 #2 [ffff810024869d30] do_page_fault at ffffffff80067484
 #3 [ffff810024869e20] error_exit at ffffffff8005dde9
    [exception RIP: kmem_cache_free+0x37]   <<<<-----
    RIP: ffffffff800074d1  RSP: ffff810024869ed0  RFLAGS: 00010282
    RAX: 0000000000000000  RBX: ffff8102c0ea0000  RCX: 0000001bc02fe240
    RDX: 0000000000000000  RSI: 000de017f1200090  RDI: 000000000de017f1
    RBP: 0000000000000000   R8: 0000000000000000   R9: c000003e00000000
    R10: 200a302020202020  R11: 6c41622020202020  R12: ffff81010b121040
    R13: de01001200090909  R14: 0000000000000000  R15: 00000000006145a0
    ORIG_RAX: ffffffffffffffff  CS: 0010  SS: 0018
 #4 [ffff810024869f08] audit_syscall_exit at ffffffff800ba13e
 #5 [ffff810024869f10] vfs_read at ffffffff8000b83e
 #6 [ffff810024869f48] int_very_careful at ffffffff8005d312
    RIP: 00000038c1ec6750  RSP: 00007fff9287cfd8  RFLAGS: 00000246
    RAX: 0000000000000400  RBX: 0000000016c11000  RCX: ffffffffffffffff
    RDX: 0000000000008000  RSI: 0000000016c11000  RDI: 0000000000000000
    RBP: 0000000000008000   R8: 0000000000001000   R9: 0000000000000003
    R10: 0000000000000001  R11: 0000000000000246  R12: 0000000000000001
    R13: 0000000016c11000  R14: 0000000000000000  R15: 00000000006145a0
    ORIG_RAX: 0000000000000000  CS: 0033  SS: 002b

• Why server crashed at "kmem_cache_free+0x37"?
• System panic at "kmem_cache_free+0x37"
• System panic with call traces "kmem_cache_free+0x37"