[patch] extfs.c: fix buffer overflow

[mc-butler]

Important

This issue was migrated from Trac:

Origin	https://midnight-commander.org/ticket/3605
Reporter	and

When handling with copy/move commands inside of archive we can lead into buffer overflow
steps to roproduce:

create simple 7z archive
open it
rename single filename
hit buffer overflow

found by clang/AddressSanitizer

Note

Original attachments:

• mc-3605-extfs.c-fix-buffer-overflow.patch (raw) by and on Mar 12, 2016 at 16:32 UTC

[mc-butler]

Changed by and on Mar 12, 2016 at 16:32 UTC

• Attachment mc-3605-extfs.c-fix-buffer-overflow.patch (raw) added

[mc-butler]

Changed by zaytsev (@zyv) on Mar 12, 2016 at 21:25 UTC (comment 1)

• Milestone changed from Future Releases to 4.8.17

It would be great if you would attach tickets with fresh patches ready for review to the current milestone. Otherwise, I'm afraid, they will get lost among other hundreds of tickets. If we can't make it for this milestone, we can always move it to the next one. Thanks!

[mc-butler]

Changed by andrew_b (@aborodin) on Mar 20, 2016 at 8:57 UTC (comment 2)

• Owner set to andrew_b
• Status changed from new to accepted
• Branch state changed from no branch to on review
• Component changed from mc-core to mc-vfs

Branch:3605_extfs_buffer_overflow
[e1ad66e]

[mc-butler]

Changed by andrew_b (@aborodin) on Mar 20, 2016 at 8:59 UTC (comment 3)

• Votes set to andrew_b
• Branch state changed from on review to approved

[mc-butler]

Changed by andrew_b (@aborodin) on Mar 20, 2016 at 9:00 UTC (comment 4)

• Resolution set to fixed
• Votes changed from andrew_b to committed-master
• Status changed from accepted to testing
• Branch state changed from approved to merged

Merged to master: [d6f0317].

[mc-butler]

Changed by andrew_b (@aborodin) on Mar 20, 2016 at 9:01 UTC (comment 5)

• Status changed from testing to closed