https://bugzilla.samba.org/show_bug.cgi?id=6293
Summary: rsync crashes when transferring files
Product: rsync
Version: 3.0.5
Platform: x86
OS/Version: Mac OS X
Status: NEW
Severity: normal
Priority: P3
Component: core
AssignedTo: way...@samba.org
ReportedBy: dirk.sa...@miriup.de
QAContact: rsync...@samba.org
I'm using rsync to backup a virtual machine that has no direct USB support.
rsync fails with the following messages:
-----8<-----
rsync -az --recursive --append --delete --delete-excluded --progress --exclude
.Trash --exclude file1.extension --exclude directory1 host1.local:/home/dirk/
/Volumes/volume1/Backup/host1.local/home/dirk
receiving file list ...
rsync: opendir "/home/dirk/application1-tools-linuxjiVQAZ" failed: Permission
denied (13)
rsync: opendir "/home/dirk/.dbus" failed: Permission denied (13)
50918 files to consider
IO error encountered -- skipping file deletion
rsync: send_files failed to open "/home/dirk/.viminfo": Permission denied (13)
rsync: open
"/Volumes/volume1/Backup/host1.local/home/dirk/src/application2-0.3/.svn/text-base/build.xml.svn-base"
failed: Permission denied (13)
rsync: connection unexpectedly closed (1256948 bytes received so far)
[generator]
rsync error: error in rsync protocol data stream (code 12) at io.c(600)
[generator=3.0.5]
-----8<-----
After the last message I receive an alert from the MacOSX crash reporter about
a access violation. I made the kernel dump it core and got the following
backtrace:
-----8<-----
#0 0x0003123b in map_ptr (map=0x0, offset=0, len=32768) at fileio.c:192
192 if (offset >= map->p_offset && offset+len <=
map->p_offset+map->p_len)
(gdb) bt
#0 0x0003123b in map_ptr (map=0x0, offset=0, len=32768) at fileio.c:192
#1 0x00011e54 in receive_data (f_in=5, fname_r=0x0, fd_r=-1, size_r=0,
fname=0x0, fd=-1, total_size=50263) at receiver.c:202
#2 0x00012271 in discard_receive_data (f_in=<value temporarily unavailable,
due to optimizations>, length=<value temporarily unavailable, due to
optimizations>) at receiver.c:321
#3 0x000133f2 in recv_files (f_in=5, local_name=0x0) at receiver.c:695
#4 0x0001cd9c in do_recv (f_in=5, f_out=4, local_name=0x0) at main.c:774
#5 0x0001d187 in client_run (f_in=5, f_out=4, pid=9689, argc=1, argv=0x300354)
at main.c:1068
#6 0x0001e290 in main (argc=2, argv=0x300350) at main.c:1275
-----8<-----
I have no clue what's happening inside my virtual machine.
On the the end with the crash, this is what I believe happens:
- something causes line 689 in receiver.c to return -1
- discard_receive_data gets called
- receive_data gets called with fd_r=-1
- line 181 of receiver.c doesn't match
- line 189 sets mapbuf = NULL
- line 202 calls map_ptr with map=0x0
- line 192 tries to access map->p_offset with a NULL pointer
I have a core dump and can provide more information if required.
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