/usr/share/samba/panic-action is in samba-common 2:4.3.8+dfsg-0ubuntu1.
This file is owned by root:root, with mode 0o755.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 | #!/bin/sh
# bail out if there's no "mail" command
type mail >/dev/null 2>&1 || exit 0
# Redirect all output to our mail command
(
# We must be given a pid to look at
if [ -z "$1" ]; then
echo "$0 called with no arguments."
exit 1
fi
if [ ! -d "/proc/$1" ]; then
echo "$0: No such process: $1"
exit 1
fi
# Find out what binary we're debugging
BINARYNAME=`readlink "/proc/$1/exe"`
# Generic header for our email
echo "The Samba 'panic action' script, $0,"
echo "was called for PID $1 ($BINARYNAME)."
echo
echo "This means there was a problem with the program, such as a segfault."
if [ -z "$BINARYNAME" ]; then
echo "However, the executable could not be found for process $1."
echo "It may have died unexpectedly, or you may not have permission to debug"
echo "the process."
exit 1
fi
# No debugger
if [ ! -x /usr/bin/gdb ]; then
echo "However, gdb was not found on your system, so the error could not be"
echo "debugged. Please install the gdb package so that debugging information"
echo "is available the next time such a problem occurs."
exit 1
fi
echo "Below is a backtrace for this process generated with gdb, which shows"
echo "the state of the program at the time the error occurred. The Samba log"
echo "files may contain additional information about the problem."
echo
echo "If the problem persists, you are encouraged to first install the"
echo "samba-dbg package, which contains the debugging symbols for the Samba"
echo "binaries. Then submit the provided information as a bug report to"
if [ -x "`which lsb_release 2>/dev/null`" ] \
&& [ "`lsb_release -s -i`" = "Ubuntu" ]
then
echo "Ubuntu by visiting this link:"
echo "https://launchpad.net/ubuntu/+source/samba/+filebug"
else
echo "Debian. For information about the procedure for submitting bug reports,"
echo "please see http://www.debian.org/Bugs/Reporting or the reportbug(1)"
echo "manual page."
fi
echo
gdb -x /etc/samba/gdbcommands -batch "$BINARYNAME" "$1"
) | mail -s "Panic or segfault in Samba" root
|