Bug#644360: gnugk segfaulting

[Jan Tvrznik]

Package: gnugk
Version: 2:2.3.2-3-1
System: Debian GNU/Linux 6.0 Squeeze (all packages updated)

The gnugk daemon crashes once/twice a day with segfault. Here is part of 
my logs:

---
Oct  3 08:29:57 ns2 kernel: [919494.051150] gnugk[29125]: segfault at 0 
ip 00007f26c9bc81a5 sp 00007f26cad4f488 error 4 in 
libpt.so.2.4.5[7f26c98a4000+39d000]
Oct  3 08:29:57 ns2 kernel: [919494.053684] ------------[ cut here 
]------------
Oct  3 08:29:57 ns2 kernel: [919494.053694] WARNING: at 
/build/buildd-linux-2.6_2.6.32-35squeeze2-amd64-OT816k/linux-2.6-2.6.32/debian/build/source_amd64_none/net/ipv4/af_inet.c:153 
inet_sock_destruct+0x15c/0x17a()
Oct  3 08:29:57 ns2 kernel: [919494.053729] Hardware name: VMware 
Virtual Platform
Oct  3 08:29:57 ns2 kernel: [919494.053731] Modules linked in: vsock 
vmmemctl acpiphp ext3 jbd loop psmouse i2c_piix4 parport_pc shpchp 
parport i2c_core pcspkr pci_hotplug evdev processor container serio_raw 
ac button vmci ext4 mbcache jbd2 crc16 dm_mod vmw_pvscsi vmxnet3 vmxnet 
sg sr_mod cdrom ata_generic sd_mod crc_t10dif ata_piix libata mptspi 
mptscsih mptbase e1000 scsi_transport_spi floppy thermal thermal_sys 
scsi_mod [last unloaded: scsi_wait_scan]
Oct  3 08:29:57 ns2 kernel: [919494.053822] Pid: 29127, comm: gnugk Not 
tainted 2.6.32-5-amd64 #1
Oct  3 08:29:57 ns2 kernel: [919494.053825] Call Trace:
Oct  3 08:29:57 ns2 kernel: [919494.053831]  [<ffffffff8129a972>] ? 
inet_sock_destruct+0x15c/0x17a
Oct  3 08:29:57 ns2 kernel: [919494.053835]  [<ffffffff8129a972>] ? 
inet_sock_destruct+0x15c/0x17a
Oct  3 08:29:57 ns2 kernel: [919494.053840]  [<ffffffff8104df1c>] ? 
warn_slowpath_common+0x77/0xa3
Oct  3 08:29:57 ns2 kernel: [919494.053844]  [<ffffffff8129a972>] ? 
inet_sock_destruct+0x15c/0x17a
Oct  3 08:29:57 ns2 kernel: [919494.053850]  [<ffffffff81243eef>] ? 
__sk_free+0x15/0xe8
Oct  3 08:29:57 ns2 kernel: [919494.053854]  [<ffffffff8129a4a0>] ? 
inet_release+0x4e/0x54
Oct  3 08:29:57 ns2 kernel: [919494.053858]  [<ffffffff81241371>] ? 
sock_release+0x19/0x66
Oct  3 08:29:57 ns2 kernel: [919494.053861]  [<ffffffff812413e0>] ? 
sock_close+0x22/0x26
Oct  3 08:29:57 ns2 kernel: [919494.053866]  [<ffffffff810efc05>] ? 
__fput+0x100/0x1af
Oct  3 08:29:57 ns2 kernel: [919494.053870]  [<ffffffff810ed06a>] ? 
filp_close+0x5b/0x62
Oct  3 08:29:57 ns2 kernel: [919494.053874]  [<ffffffff8104fa20>] ? 
put_files_struct+0x64/0xc1
Oct  3 08:29:57 ns2 kernel: [919494.053878]  [<ffffffff810512e5>] ? 
do_exit+0x236/0x6c6
Oct  3 08:29:57 ns2 kernel: [919494.053882]  [<ffffffff810517eb>] ? 
do_group_exit+0x76/0x9d
Oct  3 08:29:57 ns2 kernel: [919494.053887]  [<ffffffff8105e0d7>] ? 
get_signal_to_deliver+0x310/0x339
Oct  3 08:29:57 ns2 kernel: [919494.053893]  [<ffffffff8101004f>] ? 
do_notify_resume+0x87/0x73f
Oct  3 08:29:57 ns2 kernel: [919494.053898]  [<ffffffff810fb7ba>] ? 
poll_select_copy_remaining+0xd0/0xf3
Oct  3 08:29:57 ns2 kernel: [919494.053902]  [<ffffffff81010e0e>] ? 
int_signal+0x12/0x17
Oct  3 08:29:57 ns2 kernel: [919494.053905] ---[ end trace 
ea462709b8099a91 ]---

---
Oct  3 14:15:22 ns2 kernel: [940214.250481] gnugk[6056]: segfault at 0 
ip 00007f06731d2d94 sp 00007f067431e4a8 error 4 in 
libpt.so.2.4.5[7f0672eb4000+39d000]

---
Oct  4 11:26:08 ns2 kernel: [1016445.358953] gnugk[10535]: segfault at 0 
ip 00007ff38d5ae1a5 sp 00007ff38e735488 error 4 in 
libpt.so.2.4.5[7ff38d28a000+39d000]

Kernel version:  2.6.32-5-amd64
libc version:  2.11.2-10
libpt version: 2.4.5-1

Best regards,
Jan Tvrznik