Control: tags -1 + patch Trivially found with (gdb) bt #0 0x00007ffff7ec807d in __GI___libc_read (fd=0, buf=0x5555555862a0, nbytes=8192) at ../sysdeps/unix/sysv/linux/read.c:26 #1 0x00007ffff7e51130 in __GI__IO_file_xsgetn (fp=0x7ffff7fa2a80 <_IO_2_1_stdin_>, data=<optimized out>, n=8192) at ./libio/libioP.h:947 #2 0x00007ffff7e46625 in __GI__IO_fread (buf=0x5555555862a0, size=size@entry=1, count=8192, fp=fp@entry=0x7ffff7fa2a80 <_IO_2_1_stdin_>) at ./libio/iofread.c:38 #3 0x000055555555e2ec in fread (__stream=<optimized out>, __n=<optimized out>, __size=1, __ptr=<optimized out>) at /usr/include/x86_64-linux-gnu/bits/stdio2.h:297 #4 open_patch_file (filename=<optimized out>) at pch.c:152 #5 0x0000555555558bcf in main (argc=<optimized out>, argv=<optimized out>) at patch.c:195
│ 151 for (st.st_size = 0; │ > 152 (charsread = fread (buf, 1, bufsize, read_pfp)) != 0; │ 153 st.st_size += charsread) │ 154 if (fwrite (buf, 1, charsread, pfp) != charsread) │ 155 write_fatal (); which needs to check for !feof && (charsread = .... Attaching patch against 2.7.6-7, validated it works. Best, наб
Description: <short summary of the patch>
TODO: Put a short summary on the line above and replace this paragraph
with a longer explanation of this change. Complete the meta-information
with other relevant fields (see below for details). To make it easier, the
information below has been extracted from the changelog. Adjust it or drop
it.
.
patch (2.7.6-7) unstable; urgency=medium
.
* Backport upstream fixes:
- avoid invalid memory access in context format diffs,
- fix failed assertion 'outstate->after_newline'.
* Update packaging bits.
* Update Standards-Version to 4.5.1 .
Author: Laszlo Boszormenyi (GCS) <g...@debian.org>
---
The information above should follow the Patch Tagging Guidelines, please
checkout https://dep.debian.net/deps/dep3/ to learn about the format. Here
are templates for supplementary fields that you might want to add:
Origin: (upstream|backport|vendor|other), (<patch-url>|commit:<commit-id>)
Bug: <upstream-bugtracker-url>
Bug-Debian: https://bugs.debian.org/<bugnumber>
Bug-Ubuntu: https://launchpad.net/bugs/<bugnumber>
Forwarded: (no|not-needed|<patch-forwarded-url>)
Applied-Upstream: <version>, (<commit-url>|commit:<commid-id>)
Reviewed-By: <name and email of someone who approved/reviewed the patch>
Last-Update: 2023-07-31
--- patch-2.7.6.orig/src/pch.c
+++ patch-2.7.6/src/pch.c
@@ -149,7 +149,7 @@ open_patch_file (char const *filename)
if (! pfp)
pfatal ("Can't open stream for file %s", quotearg (TMPPATNAME));
for (st.st_size = 0;
- (charsread = fread (buf, 1, bufsize, read_pfp)) != 0;
+ !feof(read_pfp) && (charsread = fread (buf, 1, bufsize, read_pfp))
!= 0;
st.st_size += charsread)
if (fwrite (buf, 1, charsread, pfp) != charsread)
write_fatal ();
signature.asc
Description: PGP signature
