OS: CloudLinux 7
One of our user attempted to send a message using MS Outlook 2007
(Microsoft Office Outlook 12.0) to a large number of recipients (~700).
However, some kind of unintended loop occurred, resulting in the delivery
of the same message multiple times.
Paniclog:
2024-01-24 10:12:58 1rSZJa-00000001VOT-0OkS SIGSEGV (fault address: 0x4)
2024-01-24 10:12:58 1rSZJa-00000001VOT-0OkS SIGSEGV (null pointer
indirection)
2024-01-24 10:12:58 1rSZJa-00000001VOT-0OkS SIGSEGV (359009 handling
incoming connection from (DESKTOPANIA) [x.x.x.x] I=[x.x.x.x]:25
)
2024-01-24 10:12:58 1rSZJa-00000001VOT-0OkS backtrace
2024-01-24 10:12:58 1rSZJa-00000001VOT-0OkS ---
2024-01-24 10:12:58 1rSZJa-00000001VOT-0OkS /usr/sbin/exim() [0x42a8de]
2024-01-24 10:12:58 1rSZJa-00000001VOT-0OkS /usr/sbin/exim() [0x42aa43]
2024-01-24 10:12:58 1rSZJa-00000001VOT-0OkS
/lib64/libpthread.so.0(+0xf630) [0x7fc04a6e1630]
2024-01-24 10:12:58 1rSZJa-00000001VOT-0OkS /usr/sbin/exim() [0x450317]
2024-01-24 10:12:58 1rSZJa-00000001VOT-0OkS /usr/sbin/exim() [0x46a50f]
2024-01-24 10:12:58 1rSZJa-00000001VOT-0OkS /usr/sbin/exim() [0x417858]
2024-01-24 10:12:58 1rSZJa-00000001VOT-0OkS /usr/sbin/exim() [0x431204]
2024-01-24 10:12:58 1rSZJa-00000001VOT-0OkS
/lib64/libc.so.6(__libc_start_main+0xf5) [0x7fc04a326555]
2024-01-24 10:12:58 1rSZJa-00000001VOT-0OkS /usr/sbin/exim() [0x40b299]
2024-01-24 10:12:58 1rSZJa-00000001VOT-0OkS ---
2024-01-24 10:13:01 1rSZJd-00000001VP6-2Hjy SIGSEGV (fault address: 0x4)
2024-01-24 10:13:01 1rSZJd-00000001VP6-2Hjy SIGSEGV (null pointer
indirection)
2024-01-24 10:13:01 1rSZJd-00000001VP6-2Hjy SIGSEGV (359048 handling
incoming connection from (DESKTOPANIA) [x.x.x.x] I=[x.x.x.x]:25
)
2024-01-24 10:13:01 1rSZJd-00000001VP6-2Hjy backtrace
2024-01-24 10:13:01 1rSZJd-00000001VP6-2Hjy ---
2024-01-24 10:13:01 1rSZJd-00000001VP6-2Hjy /usr/sbin/exim() [0x42a8de]
2024-01-24 10:13:01 1rSZJd-00000001VP6-2Hjy /usr/sbin/exim() [0x42aa43]
2024-01-24 10:13:01 1rSZJd-00000001VP6-2Hjy
/lib64/libpthread.so.0(+0xf630) [0x7fc04a6e1630]
2024-01-24 10:13:01 1rSZJd-00000001VP6-2Hjy /usr/sbin/exim() [0x450317]
2024-01-24 10:13:01 1rSZJd-00000001VP6-2Hjy /usr/sbin/exim() [0x46a50f]
2024-01-24 10:13:01 1rSZJd-00000001VP6-2Hjy /usr/sbin/exim() [0x417858]
2024-01-24 10:13:01 1rSZJd-00000001VP6-2Hjy /usr/sbin/exim() [0x431204]
2024-01-24 10:13:01 1rSZJd-00000001VP6-2Hjy
/lib64/libc.so.6(__libc_start_main+0xf5) [0x7fc04a326555]
2024-01-24 10:13:01 1rSZJd-00000001VP6-2Hjy /usr/sbin/exim() [0x40b299]
2024-01-24 10:13:01 1rSZJd-00000001VP6-2Hjy ---
2024-01-24 10:13:20 1rSZJw-00000001VR3-0NMK SIGSEGV (fault address: 0x4)
2024-01-24 10:13:20 1rSZJw-00000001VR3-0NMK SIGSEGV (null pointer
indirection)
2024-01-24 10:13:20 1rSZJw-00000001VR3-0NMK SIGSEGV (359169 handling
incoming connection from (DESKTOPANIA) [x.x.x.x] I=[x.x.x.x]:25
)
2024-01-24 10:13:20 1rSZJw-00000001VR3-0NMK backtrace
2024-01-24 10:13:20 1rSZJw-00000001VR3-0NMK ---
2024-01-24 10:13:20 1rSZJw-00000001VR3-0NMK /usr/sbin/exim() [0x42a8de]
2024-01-24 10:13:20 1rSZJw-00000001VR3-0NMK /usr/sbin/exim() [0x42aa43]
2024-01-24 10:13:20 1rSZJw-00000001VR3-0NMK
/lib64/libpthread.so.0(+0xf630) [0x7fc04a6e1630]
2024-01-24 10:13:20 1rSZJw-00000001VR3-0NMK /usr/sbin/exim() [0x450317]
2024-01-24 10:13:20 1rSZJw-00000001VR3-0NMK /usr/sbin/exim() [0x46a50f]
2024-01-24 10:13:20 1rSZJw-00000001VR3-0NMK /usr/sbin/exim() [0x417858]
2024-01-24 10:13:20 1rSZJw-00000001VR3-0NMK /usr/sbin/exim() [0x431204]
2024-01-24 10:13:20 1rSZJw-00000001VR3-0NMK
/lib64/libc.so.6(__libc_start_main+0xf5) [0x7fc04a326555]
2024-01-24 10:13:20 1rSZJw-00000001VR3-0NMK /usr/sbin/exim() [0x40b299]
2024-01-24 10:13:20 1rSZJw-00000001VR3-0NMK ---
2024-01-24 10:13:37 1rSZKD-00000001VTj-0pve SIGSEGV (fault address: 0x4)
2024-01-24 10:13:37 1rSZKD-00000001VTj-0pve SIGSEGV (null pointer
indirection)
2024-01-24 10:13:37 1rSZKD-00000001VTj-0pve SIGSEGV (359335 handling
incoming connection from (DESKTOPANIA) [x.x.x.x] I=[x.x.x.x]:25
)
and so on...
Any tips on how to solve this?
Thank you,
Mateusz
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