Issue

• カーネルがパニックになり wildcard_match_inDir() に kernel BUG at include/linux/dcache.h:364! メッセージが表示されます。

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kernel BUG at include/linux/dcache.h:364!
invalid opcode:0000 [#1] SMP 
last sysfs file:/sys/devices/pci0000:00/0000:00:03.0/0000:16:00.1/host1/rport-1:0-0/target1:0:0/1:0:0:0/state
CPU 0 
Modules linked in: splxmod(U) iptable_filter ip_queue ip_tables autofs4 sunrpc cpufreq_ondemand acpi_cpufreq freq_table mperf bonding 8021q garp stp llc ipv6 vfat fat microcode shpchp sg i2c_i801 i2c_core iTCO_wdt iTCO_vendor_support ioatdma dca be2net ext3 jbd mbcache dm_round_robin sd_mod crc_t10dif wmi qla2xxx scsi_transport_fc scsi_tgt dm_multipath dm_mirror dm_region_hash dm_log dm_mod [last unloaded: scsi_wait_scan]

Pid:25190, comm: ps Not tainted 2.6.32-279.el6.x86_64 #1 IBM  -[8737D2J]-/00Y2765
RIP:0010:[<ffffffffa030e945>]  [<ffffffffa030e945>] wildcard_match_inDir+0x3f5/0x520 [splxmod]
RSP:0018:ffff880038337bd8  EFLAGS:00010246
RAX:0000000000000000 RBX: ffff8805f1401b00 RCX:00000000efd17419
RDX:00000000efd17419 RSI: ffffffff81a84040 RDI: ffffffffefd17418
RBP: ffff880038337c68 R08: ffff8805e8c9c408 R09:0000000000000000
R10:0000000000000000 R11:0000000000000000 R12: ffff8805f18ebd80
R13: ffff8805e751cfc0 R14: ffff880038337c08 R15: ffff880038337c18
FS:00007f1f362927a0(0000) GS:ffff88003c200000(0000) knlGS:0000000000000000
CS:0010 DS:0000 ES:0000 CR0:0000000080050033
CR2:000000000205e000 CR3:0000000248777000 CR4:00000000000406f0
DR0:0000000000000000 DR1:0000000000000000 DR2:0000000000000000
DR3:0000000000000000 DR6:00000000ffff0ff0 DR7:0000000000000400
Process ps (pid:25190, threadinfo ffff880038336000, task ffff8803d5cb8040)
Stack:
 ffff8805ffc00040 00006266d5cb8040 ffff880038337c30 ffffffffa031530f
<d> 00000000d5cb8040 ffff8805e8c9cde0 ffff8805e751cfc8 ffff8805e8c9c408
<d> ffff8805f18ebd80 ffff8805f1401b00 ffff8805f18ebd80 ffff8805e8c9cde0
Call Trace:
 [<ffffffffa030eb63>] inExcDirs+0xf3/0x250 [splxmod]
 [<ffffffffa030f9c2>] needToScanThisOpen+0x122/0x300 [splxmod]
 [<ffffffffa0307c8b>] openHook+0x37b/0xd90 [splxmod]
 [<ffffffff8117ca75>] ? fput+0x25/0x30
 [<ffffffff8117849d>] ? filp_close+0x5d/0x90
 [<ffffffff81271ba5>] ?_atomic_dec_and_lock+0x55/0x80
 [<ffffffffa0309321>] ? closeHook+0x1e1/0xbe0 [splxmod]
 [<ffffffff8117b92f>] ? vfs_read+0x12f/0x1a0
 [<ffffffff810d69e2>] ? audit_syscall_entry+0x272/0x2a0
 [<ffffffff8100b0f2>] system_call_fastpath+0x16/0x1b
Code:18 00 00 00 4c 89 ee 48 c7 c7 35 e6 30 a0 41 ff d2 4c 8b 13 48 8b 85 70 ff ff ff 4d 85 d2 75 ca 4c 89 e3 49 89 c4 e9 2d fd ff ff <0f> 0b eb fe 8b b5 7c ff ff ff 48 c7 c2 fa 52 31 a0 48 c7 c7 a0 
RIP  [<ffffffffa030e945>] wildcard_match_inDir+0x3f5/0x520 [splxmod]
 RSP <ffff880038337bd8>

crash> bt
PID:25190  TASK: ffff8803d5cb8040  CPU:0   COMMAND:"ps"
 #0 [ffff880038337890] machine_kexec at ffffffff8103281b
 #1 [ffff8800383378f0] crash_kexec at ffffffff810ba662
 #2 [ffff8800383379c0] oops_end at ffffffff81501290
 #3 [ffff8800383379f0] die at ffffffff8100f26b
 #4 [ffff880038337a20] do_trap at ffffffff81500b84
 #5 [ffff880038337a80] do_invalid_op at ffffffff8100ce35
 #6 [ffff880038337b20] invalid_op at ffffffff8100bedb
    [exception RIP: wildcard_match_inDir+1013]
    RIP: ffffffffa030e945  RSP: ffff880038337bd8  RFLAGS:00010246
    RAX:0000000000000000  RBX: ffff8805f1401b00  RCX:00000000efd17419
    RDX:00000000efd17419  RSI: ffffffff81a84040  RDI: ffffffffefd17418
    RBP: ffff880038337c68   R8: ffff8805e8c9c408   R9:0000000000000000
    R10:0000000000000000  R11:0000000000000000  R12: ffff8805f18ebd80
    R13: ffff8805e751cfc0  R14: ffff880038337c08  R15: ffff880038337c18
    ORIG_RAX: ffffffffffffffff  CS:0010  SS:0018
 #7 [ffff880038337bd0] wildcard_match_inDir at ffffffffa030e6c6 [splxmod]
 #8 [ffff880038337c70] inExcDirs at ffffffffa030eb63 [splxmod]
 #9 [ffff880038337cb0] needToScanThisOpen at ffffffffa030f9c2 [splxmod]
#10 [ffff880038337d00] openHook at ffffffffa0307c8b [splxmod]
#11 [ffff880038337f80] system_call_fastpath at ffffffff8100b0f2
    RIP:0000003869cda170  RSP:00007ffffbbc14a8  RFLAGS:00000287
    RAX:0000000000000002  RBX: ffffffff8100b0f2  RCX:00007ffffbbc1594
    RDX:0000000000000000  RSI:0000000000000000  RDI:000000386a211840
    RBP:000000000000006a   R8:0000000000000006   R9:0000000000000000
    R10:00000000fffffffa  R11:0000000000000246  R12:0000000000000000
    R13:0000000000000000  R14:0000000000000020  R15:0000000001d9d2b0
    ORIG_RAX:0000000000000002  CS:0033  SS:002b