PowerScale：Isilon：由於特定使用者名稱查詢中的記憶體洩漏，經常發生地方安全機構子系統服務 （LSASS） 重新開機

Summary: 由於驗證程序記憶體不足，導致間歇性資料不可用性。

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Symptoms

在 /var/log/lsassd.log 中可能會看到下列訊息 
Failed to open DB for privilege enumeration: Could not allocate parser read buffer: Cannot allocate memory
 和 
lw-container: *** FAILED ASSERTION m @ /b/mnt/src/sys/kern/isi_format.c:141


檢查 /var/log/messages 是否在 lsass 上頻繁重新開機，堆疊可能會有所不同： 
2021-04-23T01:16:48-07:00 <0.5> PowerScale-1(id1) /boot/kernel.amd64/kernel: [kern_sig.c:3940](pid 7138="lsass")(tid=103829)
2021-04-23T01:16:48-07:00 <0.7> PowerScale-1(id1) /boot/kernel.amd64/kernel: Stack trace:
2021-04-23T01:16:48-07:00 <0.5> PowerScale-1(id1) /boot/kernel.amd64/kernel: Stack: --------------------------------------------------
2021-04-23T01:16:48-07:00 <0.5> PowerScale-1(id1) /boot/kernel.amd64/kernel: /lib/libc.so.7:thr_kill+0xa
2021-04-23T01:16:48-07:00 <0.5> PowerScale-1(id1) /boot/kernel.amd64/kernel: /lib/libc.so.7:abort+0x49
2021-04-23T01:16:48-07:00 <0.5> PowerScale-1(id1) /boot/kernel.amd64/kernel: /usr/lib/libisi_util.so.1:isi_assert_halt+0xae
2021-04-23T01:16:48-07:00 <0.5> PowerScale-1(id1) /boot/kernel.amd64/kernel: /usr/lib/libisi_util.so.1:fmt_resize+0xbd
2021-04-23T01:16:48-07:00 <0.5> PowerScale-1(id1) /boot/kernel.amd64/kernel: /usr/lib/libisi_util.so.1:fmt_append+0x10d
2021-04-23T01:16:48-07:00 <0.5> PowerScale-1(id1) /boot/kernel.amd64/kernel: /usr/lib/libisi_util.so.1:fmt_init_for_buffer+0x41b
2021-04-23T01:16:48-07:00 <0.5> PowerScale-1(id1) /boot/kernel.amd64/kernel: /usr/lib/libisi_util.so.1:fmt_vprint+0x566
2021-04-23T01:16:48-07:00 <0.5> PowerScale-1(id1) /boot/kernel.amd64/kernel: /usr/lib/libisi_util.so.1:fmt_print+0x8d
2021-04-23T01:16:48-07:00 <0.5> PowerScale-1(id1) /boot/kernel.amd64/kernel: /usr/lib/libisi_persona.so.1:persona_get_sid_string+0x1c1
2021-04-23T01:16:48-07:00 <0.5> PowerScale-1(id1) /boot/kernel.amd64/kernel: /usr/lib/libisi_util.so.1:fmt_vprint+0x74c
2021-04-23T01:16:48-07:00 <0.5> PowerScale-1(id1) /boot/kernel.amd64/kernel: /usr/lib/libisi_util.so.1:fmt_print+0x8d
2021-04-23T01:16:48-07:00 <0.5> PowerScale-1(id1) /boot/kernel.amd64/kernel: /usr/likewise/lib/lsa-mapper/id_mapper_default.so:_didm_cred_fmt_conv+0x1e5
2021-04-23T01:16:48-07:00 <0.5> PowerScale-1(id1) /boot/kernel.amd64/kernel: /usr/lib/libisi_util.so.1:fmt_vprint+0x74c
2021-04-23T01:16:48-07:00 <0.5> PowerScale-1(id1) /boot/kernel.amd64/kernel: /usr/lib/libisi_util.so.1:fmt_print+0x8d
2021-04-23T01:16:48-07:00 <0.5> PowerScale-1(id1) /boot/kernel.amd64/kernel: /usr/likewise/lib/liblsaserverapi.so.0:idm_map_cred+0x406
2021-04-23T01:16:48-07:00 <0.5> PowerScale-1(id1) /boot/kernel.amd64/kernel: /usr/likewise/lib/liblsaserverapi.so.0:idm_map_pac+0x5d
2021-04-23T01:16:48-07:00 <0.5> PowerScale-1(id1) /boot/kernel.amd64/kernel: /usr/likewise/lib/liblsaserverapi.so.0:$dtrace013791106.LsaSrvMapToNToken+0xbd6
2021-04-23T01:16:48-07:00 <0.5> PowerScale-1(id1) /boot/kernel.amd64/kernel: /usr/likewise/lib/liblsaserverapi.so.0:LsaSrvPacToNTokenFd+0x4c
2021-04-23T01:16:48-07:00 <0.5> PowerScale-1(id1) /boot/kernel.amd64/kernel: /usr/likewise/lib/liblsaserverapi.so.0:LsaSrvIpcPacToNToken+0x153
2021-04-23T01:16:48-07:00 <0.5> PowerScale-1(id1) /boot/kernel.amd64/kernel: /usr/likewise/lib/liblwmsg.so.0:lwmsg_peer_assoc_call_worker+0x20
2021-04-23T01:16:48-07:00 <0.5> PowerScale-1(id1) /boot/kernel.amd64/kernel: /usr/likewise/lib/liblwbase.so.0:CompatWorkItem+0x13
2021-04-23T01:16:48-07:00 <0.5> PowerScale-1(id1) /boot/kernel.amd64/kernel: /usr/likewise/lib/liblwbase.so.0:WorkThread+0xbc
2021-04-23T01:16:48-07:00 <0.5> PowerScale-1(id1) /boot/kernel.amd64/kernel: /usr/likewise/lib/liblwbase.so.0:LwRtlThreadRoutine+0x1bf
2021-04-23T01:16:48-07:00 <0.5> PowerScale-1(id1) /boot/kernel.amd64/kernel: /lib/libthr.so.3:_pthread_create+0x925
2021-04-23T01:16:48-07:00 <0.5> PowerScale-1(id1) /boot/kernel.amd64/kernel: --------------------------------------------------
2021-04-23T01:16:48-07:00 <0.6> PowerScale-1(id1) /boot/kernel.amd64/kernel: pid 7138 (lsass), uid 0: exited on signal 6 (core dumped)

Cause

如果使用者名稱查詢呼叫函數 LsaSrvGetUserName，則存在記憶體洩漏。

Resolution

請聯絡 PowerScale 支援以取得確認。

Affected Products

PowerScale OneFS
Article Properties
Article Number: 000193670
Article Type: Solution
Last Modified: 18 Oct 2022
Version:  4
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