Hello, In consideration of my prior messages about SIGSEGV from January 24:
OS: CloudLinux 7 Exim: 4.97.1 One of our user attempted to send a message using MS Outlook 2007 (Microsoft Office Outlook 12.0) to a large number of recipients (~500). However, some kind of unintended loop occurred, resulting in the delivery of the same message multiple times. audid.log: time->Mon Feb 5 10:50:46 2024 type=ANOM_ABEND msg=audit(1707126646.073:841524): auid=4294967295 uid=8 gid=12 ses=4294967295 pid=275431 comm="exim" reason="memory violation" sig=11 ---- time->Mon Feb 5 10:51:15 2024 type=ANOM_ABEND msg=audit(1707126675.553:841533): auid=4294967295 uid=8 gid=12 ses=4294967295 pid=275816 comm="exim" reason="memory violation" sig=11 ---- time->Mon Feb 5 10:51:31 2024 type=ANOM_ABEND msg=audit(1707126691.359:841536): auid=4294967295 uid=8 gid=12 ses=4294967295 pid=276000 comm="exim" reason="memory violation" sig=11 ---- time->Mon Feb 5 10:51:46 2024 type=ANOM_ABEND msg=audit(1707126706.055:841537): auid=4294967295 uid=8 gid=12 ses=4294967295 pid=276083 comm="exim" reason="memory violation" sig=11 ---- time->Mon Feb 5 10:52:34 2024 type=ANOM_ABEND msg=audit(1707126754.059:841548): auid=4294967295 uid=8 gid=12 ses=4294967295 pid=276473 comm="exim" reason="memory violation" sig=11 ---- time->Mon Feb 5 11:05:27 2024 type=ANOM_ABEND msg=audit(1707127527.253:841886): auid=4294967295 uid=8 gid=12 ses=4294967295 pid=285096 comm="exim" reason="memory violation" sig=11 ---- time->Mon Feb 5 11:05:54 2024 type=ANOM_ABEND msg=audit(1707127554.608:841887): auid=4294967295 uid=8 gid=12 ses=4294967295 pid=285279 comm="exim" reason="memory violation" sig=11 ---- time->Mon Feb 5 11:07:07 2024 type=ANOM_ABEND msg=audit(1707127627.452:841897): auid=4294967295 uid=8 gid=12 ses=4294967295 pid=286040 comm="exim" reason="memory violation" sig=11 ---- time->Mon Feb 5 11:08:26 2024 type=ANOM_ABEND msg=audit(1707127706.245:841921): auid=4294967295 uid=8 gid=12 ses=4294967295 pid=286828 comm="exim" reason="memory violation" sig=11 ---- time->Mon Feb 5 11:09:32 2024 type=ANOM_ABEND msg=audit(1707127772.737:841932): auid=4294967295 uid=8 gid=12 ses=4294967295 pid=287422 comm="exim" reason="memory violation" sig=11 paniclog: 2024-02-05 10:50:46 1rWvci-000000019eR-2FFn SIGSEGV (fault address: 0x4) 2024-02-05 10:50:46 1rWvci-000000019eR-2FFn SIGSEGV (null pointer indirection) 2024-02-05 10:50:46 1rWvci-000000019eR-2FFn SIGSEGV (275431 handling incoming connection from (AGNIESZKA) [x.x.x.x] I=[x.x.x.x]:25 ) 2024-02-05 10:50:46 1rWvci-000000019eR-2FFn backtrace 2024-02-05 10:50:46 1rWvci-000000019eR-2FFn --- 2024-02-05 10:50:46 1rWvci-000000019eR-2FFn /usr/sbin/exim() [0x42a8de] 2024-02-05 10:50:46 1rWvci-000000019eR-2FFn /usr/sbin/exim() [0x42aa43] 2024-02-05 10:50:46 1rWvci-000000019eR-2FFn /lib64/libpthread.so.0(+0xf630) [0x7fca94fac630] 2024-02-05 10:50:46 1rWvci-000000019eR-2FFn /usr/sbin/exim() [0x450317] 2024-02-05 10:50:46 1rWvci-000000019eR-2FFn /usr/sbin/exim() [0x46a50f] 2024-02-05 10:50:46 1rWvci-000000019eR-2FFn /usr/sbin/exim() [0x417858] 2024-02-05 10:50:46 1rWvci-000000019eR-2FFn /usr/sbin/exim() [0x431204] 2024-02-05 10:50:46 1rWvci-000000019eR-2FFn /lib64/libc.so.6(__libc_start_main+0xf5) [0x7fca94bf1555] 2024-02-05 10:50:46 1rWvci-000000019eR-2FFn /usr/sbin/exim() [0x40b299] 2024-02-05 10:50:46 1rWvci-000000019eR-2FFn --- 2024-02-05 10:51:15 1rWvdC-000000019ke-2twK SIGSEGV (fault address: 0x4) 2024-02-05 10:51:15 1rWvdC-000000019ke-2twK SIGSEGV (null pointer indirection) 2024-02-05 10:51:15 1rWvdC-000000019ke-2twK SIGSEGV (275816 handling incoming connection from (AGNIESZKA) [x.x.x.x] I=[x.x.x.x]:25 ) 2024-02-05 10:51:15 1rWvdC-000000019ke-2twK backtrace 2024-02-05 10:51:15 1rWvdC-000000019ke-2twK --- 2024-02-05 10:51:15 1rWvdC-000000019ke-2twK /usr/sbin/exim() [0x42a8de] 2024-02-05 10:51:15 1rWvdC-000000019ke-2twK /usr/sbin/exim() [0x42aa43] 2024-02-05 10:51:15 1rWvdC-000000019ke-2twK /lib64/libpthread.so.0(+0xf630) [0x7fca94fac630] 2024-02-05 10:51:15 1rWvdC-000000019ke-2twK /usr/sbin/exim() [0x450317] 2024-02-05 10:51:15 1rWvdC-000000019ke-2twK /usr/sbin/exim() [0x46a50f] 2024-02-05 10:51:15 1rWvdC-000000019ke-2twK /usr/sbin/exim() [0x417858] 2024-02-05 10:51:15 1rWvdC-000000019ke-2twK /usr/sbin/exim() [0x431204] 2024-02-05 10:51:15 1rWvdC-000000019ke-2twK /lib64/libc.so.6(__libc_start_main+0xf5) [0x7fca94bf1555] 2024-02-05 10:51:15 1rWvdC-000000019ke-2twK /usr/sbin/exim() [0x40b299] 2024-02-05 10:51:15 1rWvdC-000000019ke-2twK --- 2024-02-05 10:51:31 1rWvdS-000000019nc-2DKA SIGSEGV (fault address: 0x4) 2024-02-05 10:51:31 1rWvdS-000000019nc-2DKA SIGSEGV (null pointer indirection) 2024-02-05 10:51:31 1rWvdS-000000019nc-2DKA SIGSEGV (276000 handling incoming connection from (AGNIESZKA) [x.x.x.x] I=[x.x.x.x]:25 ) 2024-02-05 10:51:31 1rWvdS-000000019nc-2DKA backtrace 2024-02-05 10:51:31 1rWvdS-000000019nc-2DKA --- 2024-02-05 10:51:31 1rWvdS-000000019nc-2DKA /usr/sbin/exim() [0x42a8de] 2024-02-05 10:51:31 1rWvdS-000000019nc-2DKA /usr/sbin/exim() [0x42aa43] 2024-02-05 10:51:31 1rWvdS-000000019nc-2DKA /lib64/libpthread.so.0(+0xf630) [0x7fca94fac630] 2024-02-05 10:51:31 1rWvdS-000000019nc-2DKA /usr/sbin/exim() [0x450317] 2024-02-05 10:51:31 1rWvdS-000000019nc-2DKA /usr/sbin/exim() [0x46a50f] 2024-02-05 10:51:31 1rWvdS-000000019nc-2DKA /usr/sbin/exim() [0x417858] 2024-02-05 10:51:31 1rWvdS-000000019nc-2DKA /usr/sbin/exim() [0x431204] 2024-02-05 10:51:31 1rWvdS-000000019nc-2DKA /lib64/libc.so.6(__libc_start_main+0xf5) [0x7fca94bf1555] 2024-02-05 10:51:31 1rWvdS-000000019nc-2DKA /usr/sbin/exim() [0x40b299] 2024-02-05 10:51:31 1rWvdS-000000019nc-2DKA --- 2024-02-05 10:51:46 1rWvdg-000000019ox-3O8a SIGSEGV (fault address: 0x4) 2024-02-05 10:51:46 1rWvdg-000000019ox-3O8a SIGSEGV (null pointer indirection) 2024-02-05 10:51:46 1rWvdg-000000019ox-3O8a SIGSEGV (276083 handling incoming connection from (AGNIESZKA) [x.x.x.x] I=[x.x.x.x]:25 ) 2024-02-05 10:51:46 1rWvdg-000000019ox-3O8a backtrace 2024-02-05 10:51:46 1rWvdg-000000019ox-3O8a --- 2024-02-05 10:51:46 1rWvdg-000000019ox-3O8a /usr/sbin/exim() [0x42a8de] 2024-02-05 10:51:46 1rWvdg-000000019ox-3O8a /usr/sbin/exim() [0x42aa43] 2024-02-05 10:51:46 1rWvdg-000000019ox-3O8a /lib64/libpthread.so.0(+0xf630) [0x7fca94fac630] 2024-02-05 10:51:46 1rWvdg-000000019ox-3O8a /usr/sbin/exim() [0x450317] 2024-02-05 10:51:46 1rWvdg-000000019ox-3O8a /usr/sbin/exim() [0x46a50f] 2024-02-05 10:51:46 1rWvdg-000000019ox-3O8a /usr/sbin/exim() [0x417858] 2024-02-05 10:51:46 1rWvdg-000000019ox-3O8a /usr/sbin/exim() [0x431204] 2024-02-05 10:51:46 1rWvdg-000000019ox-3O8a /lib64/libc.so.6(__libc_start_main+0xf5) [0x7fca94bf1555] 2024-02-05 10:51:46 1rWvdg-000000019ox-3O8a /usr/sbin/exim() [0x40b299] 2024-02-05 10:51:46 1rWvdg-000000019ox-3O8a --- debuglog: 10:50:46 Renaming spool header file: /var/spool/exim//input/i/1rWvci-000000019eR-2FFn-H 10:50:46 275444 outbytes=8189 error=0 10:50:46 275444 flushing headers buffer 10:50:46 275444 writing data block fd=8 size=8189 timeout=300 10:50:46 275444 tls_write(0xfcf658, 8189) 10:50:46 275444 SSL_write(0x119ac20, 0xfcf658, 8189) 10:50:46 275444 outbytes=8189 error=0 10:50:46 275444 flushing headers buffer 10:50:46 275444 writing data block fd=8 size=8189 timeout=300 10:50:46 275444 tls_write(0xfcf658, 8189) 10:50:46 275444 SSL_write(0x119ac20, 0xfcf658, 8189) 10:50:46 275444 outbytes=8189 error=0 10:50:46 275444 flushing headers buffer 10:50:46 275444 writing data block fd=8 size=8189 timeout=300 10:50:46 275444 tls_write(0xfcf658, 8189) 10:50:46 275444 SSL_write(0x119ac20, 0xfcf658, 8189) 10:50:46 275444 outbytes=8189 error=0 10:50:46 275444 flushing headers buffer 10:50:46 275444 writing data block fd=8 size=8189 timeout=300 10:50:46 275444 tls_write(0xfcf658, 8189) 10:50:46 275444 SSL_write(0x119ac20, 0xfcf658, 8189) 10:50:46 Size of headers = 644 10:50:46 275444 outbytes=8189 error=0 10:50:46 275444 flushing headers buffer 10:50:46 275444 writing data block fd=8 size=8189 timeout=300 10:50:46 275444 tls_write(0xfcf658, 8189) 10:50:46 275444 SSL_write(0x119ac20, 0xfcf658, 8189) 10:50:46 275444 outbytes=8189 error=0 10:50:46 LOG: MAIN 10:50:46 <= [email protected] H=(AGNIESZKA) [x.x.x.x] I=[x.x.x.x]:25 P=esmtpa A=login:[email protected] S=5155019 [email protected] T="Test message" 10:50:46 275444 flushing headers buffer 10:50:46 275444 writing data block fd=8 size=8189 timeout=300 10:50:46 275444 tls_write(0xfcf658, 8189) 10:50:46 275444 SSL_write(0x119ac20, 0xfcf658, 8189) 10:50:46 275444 outbytes=8189 error=0 10:50:46 275444 flushing headers buffer 10:50:46 275444 writing data block fd=8 size=8189 timeout=300 10:50:46 275444 tls_write(0xfcf658, 8189) 10:50:46 275444 SSL_write(0x119ac20, 0xfcf658, 8189) 10:50:46 275444 outbytes=8189 error=0 10:50:46 LOG: MAIN PANIC 10:50:46 SIGSEGV (fault address: 0x4) 10:50:46 275444 flushing headers buffer 10:50:46 275444 writing data block fd=8 size=8189 timeout=300 10:50:46 275444 tls_write(0xfcf658, 8189) 10:50:46 LOG: MAIN PANIC 10:50:46 SIGSEGV (null pointer indirection) 10:50:46 275444 SSL_write(0x119ac20, 0xfcf658, 8189) 10:50:46 LOG: MAIN PANIC 10:50:46 SIGSEGV (275431 handling incoming connection from (AGNIESZKA) [x.x.x.x] I=[x.x.x.x]:25 10:50:46 ) 10:50:46 LOG: MAIN PANIC 10:50:46 backtrace 10:50:46 LOG: MAIN PANIC 10:50:46 --- 10:50:46 LOG: MAIN PANIC 10:50:46 /usr/sbin/exim() [0x42a8de] 10:50:46 LOG: MAIN PANIC 10:50:46 /usr/sbin/exim() [0x42aa43] 10:50:46 LOG: MAIN PANIC 10:50:46 /lib64/libpthread.so.0(+0xf630) [0x7fca94fac630] 10:50:46 LOG: MAIN PANIC 10:50:46 /usr/sbin/exim() [0x450317] 10:50:46 LOG: MAIN PANIC 10:50:46 /usr/sbin/exim() [0x46a50f] 10:50:46 LOG: MAIN PANIC 10:50:46 /usr/sbin/exim() [0x417858] 10:50:46 LOG: MAIN PANIC 10:50:46 /usr/sbin/exim() [0x431204] 10:50:46 LOG: MAIN PANIC 10:50:46 /lib64/libc.so.6(__libc_start_main+0xf5) [0x7fca94bf1555] 10:50:46 LOG: MAIN PANIC 10:50:46 /usr/sbin/exim() [0x40b299] 10:50:46 LOG: MAIN PANIC 10:50:46 --- 10:50:46 275278 outbytes=8190 error=0 10:50:46 275278 flushing headers buffer 10:50:46 275278 writing data block fd=8 size=8190 timeout=300 10:50:46 275278 tls_write(0xfcf658, 8190) ################# 10:51:15 Renaming spool header file: /var/spool/exim//input/C/1rWvdC-000000019ke-2twK-H 10:51:15 Size of headers = 644 10:51:15 LOG: MAIN 10:51:15 <= [email protected] H=(AGNIESZKA) [x.x.x.x] I=[x.x.x.x]:25 P=esmtpa A=login:[email protected] S=5155019 [email protected] T="Test message" 10:51:15 LOG: MAIN PANIC 10:51:15 SIGSEGV (fault address: 0x4) 10:51:15 LOG: MAIN PANIC 10:51:15 SIGSEGV (null pointer indirection) 10:51:15 LOG: MAIN PANIC 10:51:15 SIGSEGV (275816 handling incoming connection from (AGNIESZKA) [x.x.x.x] I=[x.x.x.x]:25 10:51:15 ) 10:51:15 LOG: MAIN PANIC 10:51:15 backtrace 10:51:15 LOG: MAIN PANIC 10:51:15 --- 10:51:15 LOG: MAIN PANIC 10:51:15 /usr/sbin/exim() [0x42a8de] 10:51:15 LOG: MAIN PANIC 10:51:15 /usr/sbin/exim() [0x42aa43] 10:51:15 LOG: MAIN PANIC 10:51:15 /lib64/libpthread.so.0(+0xf630) [0x7fca94fac630] 10:51:15 LOG: MAIN PANIC 10:51:15 /usr/sbin/exim() [0x450317] 10:51:15 LOG: MAIN PANIC 10:51:15 /usr/sbin/exim() [0x46a50f] 10:51:15 LOG: MAIN PANIC 10:51:15 /usr/sbin/exim() [0x417858] 10:51:15 LOG: MAIN PANIC 10:51:15 /usr/sbin/exim() [0x431204] 10:51:15 LOG: MAIN PANIC 10:51:15 /lib64/libc.so.6(__libc_start_main+0xf5) [0x7fca94bf1555] 10:51:15 LOG: MAIN PANIC 10:51:15 /usr/sbin/exim() [0x40b299] 10:51:15 LOG: MAIN PANIC 10:51:15 --- ################# 10:51:31 Renaming spool header file: /var/spool/exim//input/S/1rWvdS-000000019nc-2DKA-H 10:51:31 Size of headers = 644 10:51:31 LOG: MAIN 10:51:31 <= [email protected] H=(AGNIESZKA) [x.x.x.x] I=[x.x.x.x]:25 P=esmtpa A=login:[email protected] S=5155019 [email protected] T="Test message" 10:51:31 LOG: MAIN PANIC 10:51:31 SIGSEGV (fault address: 0x4) 10:51:31 LOG: MAIN PANIC 10:51:31 SIGSEGV (null pointer indirection) 10:51:31 LOG: MAIN PANIC 10:51:31 SIGSEGV (276000 handling incoming connection from (AGNIESZKA) [x.x.x.x] I=[x.x.x.x]:25 10:51:31 ) 10:51:31 LOG: MAIN PANIC 10:51:31 backtrace 10:51:31 LOG: MAIN PANIC 10:51:31 --- 10:51:31 LOG: MAIN PANIC 10:51:31 /usr/sbin/exim() [0x42a8de] 10:51:31 LOG: MAIN PANIC 10:51:31 /usr/sbin/exim() [0x42aa43] 10:51:31 LOG: MAIN PANIC 10:51:31 /lib64/libpthread.so.0(+0xf630) [0x7fca94fac630] 10:51:31 LOG: MAIN PANIC 10:51:31 /usr/sbin/exim() [0x450317] 10:51:31 LOG: MAIN PANIC 10:51:31 /usr/sbin/exim() [0x46a50f] 10:51:31 LOG: MAIN PANIC 10:51:31 /usr/sbin/exim() [0x417858] 10:51:31 LOG: MAIN PANIC 10:51:31 /usr/sbin/exim() [0x431204] 10:51:31 LOG: MAIN PANIC 10:51:31 /lib64/libc.so.6(__libc_start_main+0xf5) [0x7fca94bf1555] 10:51:31 LOG: MAIN PANIC 10:51:31 /usr/sbin/exim() [0x40b299] 10:51:31 LOG: MAIN PANIC 10:51:31 --- ################# 10:51:46 Renaming spool header file: /var/spool/exim//input/g/1rWvdg-000000019ox-3O8a-H 10:51:46 Size of headers = 644 10:51:46 LOG: MAIN 10:51:46 <= [email protected] H=(AGNIESZKA) [x.x.x.x] I=[x.x.x.x]:25 P=esmtpa A=login:[email protected] S=5155112 [email protected] T="Test message" 10:51:46 LOG: MAIN PANIC 10:51:46 SIGSEGV (fault address: 0x4) 10:51:46 LOG: MAIN PANIC 10:51:46 SIGSEGV (null pointer indirection) 10:51:46 LOG: MAIN PANIC 10:51:46 SIGSEGV (276083 handling incoming connection from (AGNIESZKA) [x.x.x.x] I=[x.x.x.x]:25 10:51:46 ) 10:51:46 LOG: MAIN PANIC 10:51:46 backtrace 10:51:46 LOG: MAIN PANIC 10:51:46 --- 10:51:46 LOG: MAIN PANIC 10:51:46 /usr/sbin/exim() [0x42a8de] 10:51:46 LOG: MAIN PANIC 10:51:46 /usr/sbin/exim() [0x42aa43] 10:51:46 LOG: MAIN PANIC 10:51:46 /lib64/libpthread.so.0(+0xf630) [0x7fca94fac630] 10:51:46 LOG: MAIN PANIC 10:51:46 /usr/sbin/exim() [0x450317] 10:51:46 LOG: MAIN PANIC 10:51:46 /usr/sbin/exim() [0x46a50f] 10:51:46 LOG: MAIN PANIC 10:51:46 /usr/sbin/exim() [0x417858] 10:51:46 LOG: MAIN PANIC 10:51:46 /usr/sbin/exim() [0x431204] 10:51:46 LOG: MAIN PANIC 10:51:46 /lib64/libc.so.6(__libc_start_main+0xf5) [0x7fca94bf1555] 10:51:46 LOG: MAIN PANIC 10:51:46 /usr/sbin/exim() [0x40b299] 10:51:46 LOG: MAIN PANIC 10:51:46 --- 10:51:46 275718 outbytes=8190 error=0 10:51:46 275718 flushing headers buffer 10:51:46 275718 writing data block fd=8 size=8190 timeout=300 and so on... Any tips on how to solve this? Thank you, Mateusz -- ## subscription configuration (requires account): ## https://lists.exim.org/mailman3/postorius/lists/exim-users.lists.exim.org/ ## unsubscribe (doesn't require an account): ## [email protected] ## Exim details at http://www.exim.org/ ## Please use the Wiki with this list - http://wiki.exim.org/
