Package: samba
Version: 2.2.3a-14.2
Followup-For: Bug #302378
Hi,
it seems this is the same bug I'm encountering. Since the security
update, smbd occasionally exited with an internal error. Turning on
debugging revealed a preceding SIGHUP, and sure enough, sending smbd a
SIGHUP makes it segfault. (I have no idea where the SIGHUPs came from,
however: the server was idle and I certainly didn't modify the config
file.) Log and gdb backtrace follow:
[2005/04/10 19:09:17, 0] smbd/server.c:sig_hup(384)
Got SIGHUP
[2005/04/10 19:09:17, 3] smbd/sec_ctx.c:set_sec_ctx(314)
setting sec ctx (0, 0) - sec_ctx_stack_ndx = 0
[2005/04/10 19:09:17, 5] smbd/uid.c:change_to_root_user(216)
change_to_root_user: now uid=(0,0) gid=(0,0)
[2005/04/10 19:09:17, 1] smbd/server.c:open_sockets(220)
Reloading services after SIGHUP
[2005/04/10 19:09:17, 5] param/loadparm.c:free_service(1786)
free_service: Freeing service cdrom
[2005/04/10 19:09:17, 5] param/loadparm.c:free_service(1786)
free_service: Freeing service IPC$
[2005/04/10 19:09:17, 5] param/loadparm.c:free_service(1786)
free_service: Freeing service ADMIN$
[2005/04/10 19:09:17, 3] param/loadparm.c:init_globals(1227)
Initialising global parameters
[2005/04/10 19:09:17, 3] param/params.c:pm_process(577)
params.c:pm_process() - Processing configuration file "/etc/samba/smb.conf"
[2005/04/10 19:09:17, 3] param/loadparm.c:do_section(2955)
Processing section "[global]"
doing parameter bind interfaces only = yes
doing parameter interfaces = 127.0.0.1 eth1 192.168.0.0/16
[2005/04/10 19:09:22, 0] lib/fault.c:fault_report(38)
===============================================================
[2005/04/10 19:09:23, 0] lib/fault.c:fault_report(39)
INTERNAL ERROR: Signal 11 in pid 20491 (2.2.3a-14.2 for Debian)
Please read the file BUGS.txt in the distribution
[2005/04/10 19:09:23, 0] lib/fault.c:fault_report(41)
===============================================================
[2005/04/10 19:09:23, 0] lib/util.c:smb_panic(1105)
PANIC: internal error
Program received signal SIGHUP, Hangup.
0x4011a7ee in select () from /lib/libc.so.6
(gdb) c
Continuing.
Program received signal SIGSEGV, Segmentation fault.
0x400bebd4 in free () from /lib/libc.so.6
(gdb) bt
#0 0x400bebd4 in free () from /lib/libc.so.6
#1 0x400beaa3 in free () from /lib/libc.so.6
#2 0x081147c2 in chroot ()
#3 0x081147e7 in chroot ()
#4 0x0808ce54 in chroot ()
#5 0x0808cfd0 in chroot ()
#6 0x0808e7fc in chroot ()
#7 0x0808e86e in chroot ()
#8 0x0808ea59 in chroot ()
#9 0x0808dbaf in chroot ()
#10 0x0804c0b1 in chroot ()
#11 0x0804bde6 in chroot ()
#12 0x0804cc7b in chroot ()
#13 0x4006914f in __libc_start_main () from /lib/libc.so.6
(gdb) c
Continuing.
Program received signal SIGABRT, Aborted.
0x40079781 in kill () from /lib/libc.so.6
(gdb) bt
#0 0x40079781 in kill () from /lib/libc.so.6
#1 0x40079464 in raise () from /lib/libc.so.6
#2 0x4007abe1 in abort () from /lib/libc.so.6
#3 0x0811a42f in chroot ()
#4 0x08109e42 in chroot ()
#5 0x08109e95 in chroot ()
#6 0x400796b8 in sigaction () from /lib/libc.so.6
#7 0x400beaa3 in free () from /lib/libc.so.6
#8 0x081147c2 in chroot ()
#9 0x081147e7 in chroot ()
#10 0x0808ce54 in chroot ()
#11 0x0808cfd0 in chroot ()
#12 0x0808e7fc in chroot ()
#13 0x0808e86e in chroot ()
#14 0x0808ea59 in chroot ()
#15 0x0808dbaf in chroot ()
#16 0x0804c0b1 in chroot ()
#17 0x0804bde6 in chroot ()
#18 0x0804cc7b in chroot ()
#19 0x4006914f in __libc_start_main () from /lib/libc.so.6
(gdb) c
Continuing.
Program terminated with signal SIGABRT, Aborted.
The program no longer exists.
(gdb)
Please tell me if you need more info.
regards,
Jan
-- System Information
Debian Release: 3.0
Architecture: i386
Kernel: Linux fera 2.4.18fera.4 #1 Mon Apr 19 22:19:59 CEST 2004 i586
Locale: LANG=C, LC_CTYPE=C
Versions of packages samba depends on:
ii debconf 1.2.35 Debian configuration management sy
ii libc6 2.2.5-11.8 GNU C Library: Shared libraries an
ii libcupsys2 1.1.14-5woody12 Common UNIX Printing System(tm) -
ii libpam0g 0.72-35 Pluggable Authentication Modules l
ii logrotate 3.5.9-8 Log rotation utility
ii netbase 4.07 Basic TCP/IP networking system
ii samba-common 2.2.3a-14.2 Samba common files used by both th
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