2.6.31-rc4 oops in fsnotify extending logical volume

From: Avi Kivity
Date: Wed Jul 29 2009 - 11:16:05 EST


# lvextend -L +50G /dev/vg0/images

[ 6818.345369] BUG: unable to handle kernel NULL pointer dereference at (null)
[ 6818.345408] IP: [<ffffffff811156fc>] fsnotify+0xd8/0x11a
[ 6818.345441] PGD 3a71dd067 PUD 3dfc49067 PMD 0
[ 6818.345475] Oops: 0000 [#1] PREEMPT SMP
[ 6818.345508] last sysfs file: /sys/devices/virtual/block/ram9/uevent
[ 6818.345530] CPU 4
[ 6818.345547] Modules linked in: kvm_intel nfs lockd nfs_acl autofs4 sunrpc cpufreq_ondemand acpi_cpufreq freq_table kvm bnx2 shpchp [last unloaded: kvm_intel]
[ 6818.345667] Pid: 5005, comm: lvextend Not tainted 2.6.31-rc4 #45 IBM System x -[794622G]-
[ 6818.345694] RIP: 0010:[<ffffffff811156fc>] [<ffffffff811156fc>] fsnotify+0xd8/0x11a
[ 6818.345727] RSP: 0018:ffff8803a71b9e58 EFLAGS: 00010246
[ 6818.345746] RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffff880351450270
[ 6818.345770] RDX: 0000000000000000 RSI: ffffffff81117e3f RDI: ffff8803a71b8000
[ 6818.345793] RBP: ffff8803a71b9eb8 R08: ffff8803a71b9e08 R09: ffff880351450270
[ 6818.345817] R10: 00000037c8811140 R11: ffff8803a71b9d58 R12: 0000000000000008
[ 6818.345840] R13: ffff88027c38dec8 R14: 0000000000000008 R15: 0000000000000000
[ 6818.345864] FS: 00007f7bbf907790(0000) GS:ffffc90000800000(0000) knlGS:0000000000000000
[ 6818.346199] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 6818.346524] CR2: 0000000000000000 CR3: 000000021bf13000 CR4: 00000000000026e0
[ 6818.346852] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 6818.347185] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
[ 6818.347514] Process lvextend (pid: 5005, threadinfo ffff8803a71b8000, task ffff88047f102e60)
[ 6818.348215] Stack:
[ 6818.348531] 0000000000001000 ffff880351450270 0000000000000000 0000000300000000
[ 6818.348876] <0> ffff88039488a900 000000007ef22600 ffff88027c38dec8 ffff88039488a900
[ 6818.349533] <0> 0000000000000008 ffff88027c38dec8 ffff88027ef22600 ffff88027c38dec8
[ 6818.350498] Call Trace:
[ 6818.350820] [<ffffffff810eec08>] __fput+0xc4/0x1c5
[ 6818.351147] [<ffffffff810eed23>] fput+0x1a/0x1c
[ 6818.351473] [<ffffffff810ebde5>] filp_close+0x68/0x72
[ 6818.351797] [<ffffffff810ebe9c>] sys_close+0xad/0xe7
[ 6818.352142] [<ffffffff8100bd32>] system_call_fastpath+0x16/0x1b
[ 6818.352469] Code: 44 89 f6 4c 89 ef e8 bf 02 00 00 48 85 c0 48 89 c1 74 27 48 8b 43 20 48 89 ce 48 89 4d a8 48 89 df ff 50 08 48 8b 4d a8 48 8b 1b <48> 8b 03 48 81 fb 80 fc 55 81 0f 18 08 75 92 8b 75 cc 48 c7 c7

--
error compiling committee.c: too many arguments to function

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