Whamcloud Community JIRA

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9.4.14

940014

05-12-2023

[LU-7353] Segfault on lctl commands 'lctl network peer_list' 'lctl network conn_list' https://jira.whamcloud.com/browse/LU-7353 Lustre <p>LFS performing normally. Admin issues lctl commands which result in segfaults.</p> <p>'lctl network peer_list'<br/> 'lctl network conn_list' <br/> each result in segfaults. </p> <p>Attached core file resulting from 'lctl network peer_list' executed on an OSS node.</p> CentOS 6.6, 2.6.32-504.el6.x86_64, Lustre 2.7.56 / ZFS<br/> (used Lustre 2.8 version as is closest to actual version) LU-7353

Segfault on lctl commands 'lctl network peer_list' 'lctl network conn_list'

Bug Minor Resolved Fixed Dmitry Eremin Jeff Johnson Tue, 27 Oct 2015 22:11:22 +0000 Fri, 1 Jul 2016 18:45:34 +0000 Wed, 11 Nov 2015 18:11:42 +0000 Lustre 2.8.0 Lustre 2.8.0 1 9 <p>Trace:</p> <p><span class="error">[root@ls15-mds-00.i ~]</span># lctl network peer_list</p> <ul> <li> <ul> <li> <ul> <li>Segmentation fault<br/> Register dump:</li> </ul> </li> </ul> </li> </ul> <p> RAX: 000000000063a620 RBX: 000000000063a620 RCX: 0000000000000000<br/> RDX: 000000000000000e RSI: 000000000043280b RDI: 0000000000000000<br/> RBP: 00007fffade0c00c R8 : 0000000000000000 R9 : 0000000000000001<br/> R10: 00000030d5329f00 R11: 0000000000000003 R12: 000000000000000f<br/> R13: 0000000000000000 R14: 0000000000000003 R15: 00007fffade0c7e6<br/> RSP: 00007fffade0bfa8</p> <p> RIP: 00000030d533372f EFLAGS: 00010246</p> <p> CS: 0033 FS: 0000 GS: 0000</p> <p> Trap: 0000000e Error: 00000004 OldMask: 00000000 CR2: 00000000</p> <p> FPUCW: 0000037f FPUSW: 00000000 TAG: 00000000<br/> RIP: 00000000 RDP: 00000000</p> <p> ST(0) 0000 0000000000000000 ST(1) 0000 0000000000000000<br/> ST(2) 0000 0000000000000000 ST(3) 0000 0000000000000000<br/> ST(4) 0000 0000000000000000 ST(5) 0000 0000000000000000<br/> ST(6) 0000 0000000000000000 ST(7) 0000 0000000000000000<br/> mxcsr: 1f80<br/> XMM0: 000000000000000000000000ff000000 XMM1: 000000000000000000000000ff000000<br/> XMM2: 000000000000000000000000ff000000 XMM3: 000000000000000000000000ff000000<br/> XMM4: 000000000000000000000000ff000000 XMM5: 000000000000000000000000ff000000<br/> XMM6: 000000000000000000000000ff000000 XMM7: 000000000000000000000000ff000000<br/> XMM8: 000000000000000000000000ff000000 XMM9: 000000000000000000000000ff000000<br/> XMM10: 000000000000000000000000ff000000 XMM11: 000000000000000000000000ff000000<br/> XMM12: 000000000000000000000000ff000000 XMM13: 000000000000000000000000ff000000<br/> XMM14: 000000000000000000000000ff000000 XMM15: 000000000000000000000000ff000000</p> <p>Backtrace:<br/> /lib64/libc.so.6<span class="error">[0x30d533372f]</span><br/> lctl<span class="error">[0x428a35]</span><br/> lctl<span class="error">[0x428b0e]</span><br/> lctl<span class="error">[0x422081]</span><br/> lctl<span class="error">[0x427698]</span><br/> lctl<span class="error">[0x416517]</span><br/> /lib64/libc.so.6(__libc_start_main+0xfd)<span class="error">[0x30d521ed5d]</span><br/> lctl<span class="error">[0x402f59]</span></p> <p>Memory map:</p> <p>00400000-00438000 r-xp 00000000 09:02 1201235 /usr/sbin/lctl<br/> 00637000-0063b000 rw-p 00037000 09:02 1201235 /usr/sbin/lctl<br/> 0063b000-00658000 rw-p 00000000 00:00 0<br/> 0083a000-0083b000 rw-p 0003a000 09:02 1201235 /usr/sbin/lctl<br/> 01dbd000-01dde000 rw-p 00000000 00:00 0 <span class="error">[heap]</span><br/> 30d4e00000-30d4e20000 r-xp 00000000 09:02 131102 /lib64/ld-2.12.so<br/> 30d501f000-30d5020000 r--p 0001f000 09:02 131102 /lib64/ld-2.12.so<br/> 30d5020000-30d5021000 rw-p 00020000 09:02 131102 /lib64/ld-2.12.so<br/> 30d5021000-30d5022000 rw-p 00000000 00:00 0<br/> 30d5200000-30d538a000 r-xp 00000000 09:02 131128 /lib64/libc-2.12.so<br/> 30d538a000-30d558a000 ---p 0018a000 09:02 131128 /lib64/libc-2.12.so<br/> 30d558a000-30d558e000 r--p 0018a000 09:02 131128 /lib64/libc-2.12.so<br/> 30d558e000-30d558f000 rw-p 0018e000 09:02 131128 /lib64/libc-2.12.so<br/> 30d558f000-30d5594000 rw-p 00000000 00:00 0<br/> 30d5600000-30d5602000 r-xp 00000000 09:02 131321 /lib64/libdl-2.12.so<br/> 30d5602000-30d5802000 ---p 00002000 09:02 131321 /lib64/libdl-2.12.so<br/> 30d5802000-30d5803000 r--p 00002000 09:02 131321 /lib64/libdl-2.12.so<br/> 30d5803000-30d5804000 rw-p 00003000 09:02 131321 /lib64/libdl-2.12.so<br/> 30d5a00000-30d5a17000 r-xp 00000000 09:02 131154 /lib64/libpthread-2.12.s<br/> o<br/> 30d5a17000-30d5c17000 ---p 00017000 09:02 131154 /lib64/libpthread-2.12.s<br/> o<br/> 30d5c17000-30d5c18000 r--p 00017000 09:02 131154 /lib64/libpthread-2.12.s<br/> o<br/> 30d5c18000-30d5c19000 rw-p 00018000 09:02 131154 /lib64/libpthread-2.12.s<br/> o<br/> 30d5c19000-30d5c1d000 rw-p 00000000 00:00 0<br/> 30d7200000-30d7216000 r-xp 00000000 09:02 131557 /lib64/libgcc_s-4.4.7-20<br/> 120601.so.1<br/> 30d7216000-30d7415000 ---p 00016000 09:02 131557 /lib64/libgcc_s-4.4.7-20<br/> 120601.so.1<br/> 30d7415000-30d7416000 rw-p 00015000 09:02 131557 /lib64/libgcc_s-4.4.7-20<br/> 120601.so.1<br/> 30d7600000-30d7602000 r-xp 00000000 09:02 131500 /lib64/libkeyutils.so.1.<br/> 3<br/> 30d7602000-30d7801000 ---p 00002000 09:02 131500 /lib64/libkeyutils.so.1.<br/> 3<br/> 30d7801000-30d7802000 r--p 00001000 09:02 131500 /lib64/libkeyutils.so.1.<br/> 3<br/> 30d7802000-30d7803000 rw-p 00002000 09:02 131500 /lib64/libkeyutils.so.1.<br/> 3<br/> 7f6e22da2000-7f6e22db3000 rw-s 00000000 00:04 1736704 /SYSV00000000 (deleted)<br/> 7f6e22db3000-7f6e22db7000 rw-p 00000000 00:00 0<br/> 7f6e22db7000-7f6e22dbb000 r-xp 00000000 09:02 131082 /lib64/libSegFault.so<br/> 7f6e22dbb000-7f6e22fba000 ---p 00004000 09:02 131082 /lib64/libSegFault.so<br/> 7f6e22fba000-7f6e22fbb000 r--p 00003000 09:02 131082 /lib64/libSegFault.so<br/> 7f6e22fbb000-7f6e22fbc000 rw-p 00004000 09:02 131082 /lib64/libSegFault.so<br/> 7f6e22fc9000-7f6e22fca000 rw-p 00000000 00:00 0<br/> 7fffaddf8000-7fffade0d000 rw-p 00000000 00:00 0 <span class="error">[stack]</span><br/> 7fffade25000-7fffade26000 r-xp 00000000 00:00 0 <span class="error">[vdso]</span><br/> ffffffffff600000-ffffffffff601000 r-xp 00000000 00:00 0 <span class="error">[vsyscall]</span></p> <p>Running 'lctl --net o2ib0 peer_list' appears to function normally. Executing the lctl command with improper arguments results in either a segfault or no error at all.</p> <p>'lctl network peer_list' results in a segfault</p> <p>'lctl network o2ib0 peer_list' results in no segfault, no stderr, exit 0</p> <p>'lctl --net o2ib0 peer_list' executes properly as expected.</p> <p>Hi Dmitry,<br/> Can you have a look at this issue?<br/> Thanks.<br/> Joe</p> <p>Andreas Dilger (andreas.dilger@intel.com) uploaded a new patch: <a href="http://review.whamcloud.com/16980" class="external-link" target="_blank" rel="nofollow noopener">http://review.whamcloud.com/16980</a><br/> Subject: <a href="https://jira.whamcloud.com/browse/LU-7353" title="Segfault on lctl commands 'lctl network peer_list' 'lctl network conn_list'" class="issue-link" data-issue-key="LU-7353"><del>LU-7353</del></a> utils: fix lctl usage messages<br/> Project: fs/lustre-release<br/> Branch: master<br/> Current Patch Set: 1<br/> Commit: ae64bd87141af3187144f1ef1e233abd5eaf7a39</p> <p>Oleg Drokin (oleg.drokin@intel.com) merged in patch <a href="http://review.whamcloud.com/16980/" class="external-link" target="_blank" rel="nofollow noopener">http://review.whamcloud.com/16980/</a><br/> Subject: <a href="https://jira.whamcloud.com/browse/LU-7353" title="Segfault on lctl commands 'lctl network peer_list' 'lctl network conn_list'" class="issue-link" data-issue-key="LU-7353"><del>LU-7353</del></a> utils: fix lctl usage messages<br/> Project: fs/lustre-release<br/> Branch: master<br/> Current Patch Set: <br/> Commit: fa54edb5af34c3bcbf878d7498ef337ef3a1df7a</p> <p>Landed for 2.8</p> Related Development Rank 1|hzxrmf: Rank (Obsolete) 9223372036854775807 Severity