Bug#640966: Oops reading /proc/<pid>/maps still in current kernel
I am still encountering this problem, usually triggered by
popularity-contest (#640974)
root@avalon:/home/kjotte# uname -a
Linux avalon 2.6.32-5-686 #1 SMP Fri Aug 26 09:15:47 UTC 2011 i686 GNU/Linux
kjotte@avalon:~$ cat /proc/1/maps
from /var/log/syslog:
Oct 9 10:11:55 avalon kernel: [2564273.948044] *pde = 01420067 *pte =
00000000
Oct 9 10:11:55 avalon kernel: [2564273.948044] Modules linked in: btrfs
zlib_deflate crc32c libcrc32c ufs qnx4 hfsplus hfs minix ntfs vfat msdos
fat jfs nls_base xfs exportfs reiserfs ext3 jbd ext2 loop i2c_piix4
snd_pcm snd_timer parport_pc i2c_core snd parport soundcore
snd_page_alloc processor psmouse button pcspkr serio_raw evdev ext4
mbcache jbd2 crc16 sg sr_mod cdrom ata_generic virtio_net ata_piix
virtio_blk libata thermal floppy thermal_sys scsi_mod virtio_pci [last
unloaded: scsi_wait_scan]
Oct 9 10:11:55 avalon kernel: [2564273.948044]
Oct 9 10:11:55 avalon kernel: [2564273.948044] Pid: 30824, comm: cat
Tainted: G D (2.6.32-5-686 #1) Bochs
Oct 9 10:11:55 avalon kernel: [2564273.948044] EIP: 0060:[<c10e509f>]
EFLAGS: 00010286 CPU: 0
Oct 9 10:11:55 avalon kernel: [2564273.948044] EIP is at m_stop+0xe/0x3f
Oct 9 10:11:55 avalon kernel: [2564273.948044] EAX: c1d9f180 EBX:
c925df64 ECX: c128031c EDX: fffffff3
Oct 9 10:11:55 avalon kernel: [2564273.948044] ESI: cb3b02f0 EDI:
fffffff3 EBP: fffffff3 ESP: c925df3c
Oct 9 10:11:55 avalon kernel: [2564273.948044] DS: 007b ES: 007b FS:
00d8 GS: 00e0 SS: 0068
Oct 9 10:11:55 avalon kernel: [2564273.948044] c925df64 c1d9f180
c10c6f2f 00008000 08204000 ca3f7680 c1d9f1a8 00000000
Oct 9 10:11:55 avalon kernel: [2564273.948044] <0> c10b63bb c1102898
00000000 00000000 00008000 ca3f7680 c10c6ce6 08204000
Oct 9 10:11:55 avalon kernel: [2564273.948044] <0> c10b3bb2 c925df9c
ca3f7680 fffffff7 08204000 c925c000 c10b3ca2 c925df9c
Oct 9 10:11:55 avalon kernel: [2564273.948044] [<c10c6f2f>] ?
seq_read+0x249/0x360
Oct 9 10:11:55 avalon kernel: [2564273.948044] [<c10b63bb>] ?
sys_fstat64+0x1e/0x23
Oct 9 10:11:55 avalon kernel: [2564273.948044] [<c1102898>] ?
security_file_permission+0xc/0xd
Oct 9 10:11:55 avalon kernel: [2564273.948044] [<c10c6ce6>] ?
seq_read+0x0/0x360
Oct 9 10:11:55 avalon kernel: [2564273.948044] [<c10b3bb2>] ?
vfs_read+0x7b/0xd3
Oct 9 10:11:55 avalon kernel: [2564273.948044] [<c10b3ca2>] ?
sys_read+0x3c/0x63
Oct 9 10:11:55 avalon kernel: [2564273.948044] [<c10030fb>] ?
sysenter_do_call+0x12/0x28
Oct 9 10:11:55 avalon kernel: [2564273.948044] ---[ end trace
ed406ebb7e60a2ea ]---
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