Hi,
I am experiencing segfaults when transferring files via rsync though sudo.
Setup:
- Backupserver initiates the rsync command with --delete -vvv
--no-inc-recursive --numeric-ids --delete-excluded --relative
--rsync-path=/home/backupuser/rsync-wrapper.sh
- rsync-wrapper.sh (on the client) contains /usr/bin/sudo /usr/bin/rsync
"$@";
- user "backupuser" has sudo access to the rsync command
- Both host and client are running 3.0.9
The transfer starts and some files are actually transferred. Once a certain
file is reached (plain PHP file, no special characters or any other
peculiarities) it segfaults.
rsync host output:
[sender] make_file(<redacted>/libraries/phputf8/mbstring/strlen.php,*,2)
rsync: connection unexpectedly closed (51261222 bytes received so far)
[Receiver]
rsync error: unexplained error (code 139) at io.c(605) [Receiver=3.0.9]
[Receiver] _exit_cleanup(code=12, file=io.c, line=605): about to call
exit(139)
----------------------------------------------------------------------------
rsnapshot encountered an error! The program was invoked with these options:
/usr/bin/rsnapshot -c \
/home/remotebackup/hosts/<redacted>/rsnapshot.conf sync
----------------------------------------------------------------------------
ERROR: /usr/bin/rsync returned 139 while processing backupuser@
<redacted>:/backup/
Client output when using gdb to debug the coredump:
warning: no loadable sections found in added symbol-file system-supplied
DSO at 0x7fff015fd000
Core was generated by `/usr/bin/rsync --server --sender -vvvlogDtprRe.Lsf
--numeric-ids . /backup'.
Program terminated with signal 11, Segmentation fault.
#0 0x00000035cda7b441 in memcpy () from /lib64/libc.so.6
Any help would be greatly appreciated. Please let me know if additional
info is required to properly debug this issue.
--
Best regards / Met vriendelijke groet,
Aron Rotteveel
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