This bug was fixed in the package procps - 1:3.3.3-2ubuntu9
---
procps (1:3.3.3-2ubuntu9) saucy; urgency=low
* Avoid SEGV if file2str should read zero bytes. This is a backport of
526bc5df from upstream. When utility buffers were introduced for file2str
read requests, a
All are happily chugging away. Verified p,q,r,s.
** Tags added: verification-done-quantal verification-done-raring
verification-done-saucy
** Changed in: procps (Ubuntu Quantal)
Status: Fix Committed = Fix Released
** Changed in: procps (Ubuntu Raring)
Status: Fix Committed = Fix
I am verifying p q r s today with the John-Mark's script. I'll complete
verification tomorrow assuming is succeeds.
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https://bugs.launchpad.net/bugs/1242746
Title:
SIGSEGV when
This bug was fixed in the package procps - 1:3.2.8-11ubuntu6.3
---
procps (1:3.2.8-11ubuntu6.3) precise; urgency=low
* Avoid SEGV if file2str should read zero bytes. This is a backport of
526bc5df from upstream. When utility buffers were introduced for file2str
read
** Branch linked: lp:ubuntu/precise-updates/procps
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https://bugs.launchpad.net/bugs/1242746
Title:
SIGSEGV when file2str reads zero bytes
To manage notifications about this bug go to:
** Changed in: procps (Ubuntu Saucy)
Assignee: (unassigned) = Dave Chiluk (chiluk)
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Title:
SIGSEGV when file2str reads zero bytes
To
I've tested this on Precise by running the attached script.
With the old package version (1:3.2.8-11ubuntu6.1) this caused top to crash
after about 90 minutes.
With the new package version (1:3.2.8-11ubuntu6.3), it's been running without
incident for the last 24 hours.
Note, that as we're
** Tags removed: verification-done
** Tags added: verification-done-precise verification-needed
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Title:
SIGSEGV when file2str reads zero bytes
** Changed in: procps (Ubuntu)
Status: Triaged = In Progress
** Changed in: procps (Ubuntu Precise)
Status: New = In Progress
** Changed in: procps (Ubuntu Quantal)
Status: New = In Progress
** Changed in: procps (Ubuntu Raring)
Status: New = In Progress
** Changed
** Patch added: lp1242746.quantal.debdiff
https://bugs.launchpad.net/ubuntu/+source/procps/+bug/1242746/+attachment/3893825/+files/lp1242746.quantal.debdiff
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** Patch added: lp1242746.saucy.debdiff
https://bugs.launchpad.net/ubuntu/+source/procps/+bug/1242746/+attachment/3893827/+files/lp1242746.saucy.debdiff
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** Patch added: lp1242746.raring.debdiff
https://bugs.launchpad.net/ubuntu/+source/procps/+bug/1242746/+attachment/3893826/+files/lp1242746.raring.debdiff
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All debdiff's attached. Trusty already has this patch.
Looking for some SRU lovin now.
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Title:
SIGSEGV when file2str reads zero bytes
To
** Patch added: lp1242746.precise.debdiff
https://bugs.launchpad.net/ubuntu/+source/procps/+bug/1242746/+attachment/3893824/+files/lp1242746.precise.debdiff
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The attachment lp1242746.precise.debdiff seems to be a debdiff. The
ubuntu-sponsors team has been subscribed to the bug report so that they
can review and hopefully sponsor the debdiff. If the attachment isn't a
patch, please remove the patch flag from the attachment, remove the
patch tag, and
** Description changed:
- The changes made in the following commit, which backported a number of
- changes to the procps package in precise, result in various procps
- utilities crashing with a SIGSEGV if the file2str function in
- proc/readproc.c reads zero bytes.
+ [Impact]
+
+ * various
I'll take care of sponsoring this.
** Also affects: procps (Ubuntu Saucy)
Importance: Undecided
Status: New
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Title:
SIGSEGV when
Hello John-Mark, or anyone else affected,
Accepted procps into precise-proposed. The package will build now and be
available at
http://launchpad.net/ubuntu/+source/procps/1:3.2.8-11ubuntu6.3 in a few
hours, and then in the -proposed repository.
Please help us by testing this new package. See
** Branch linked: lp:ubuntu/precise-proposed/procps
** Branch linked: lp:ubuntu/quantal-proposed/procps
** Branch linked: lp:ubuntu/raring-proposed/procps
** Branch linked: lp:ubuntu/saucy-proposed/procps
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Dave: I've been seeing this about twice a day since I picked up the new
packages (about a week ago).
I've got a cron job that runs every 5 minutes, and one of the things it
runs is top -c -b -n 2 -d 2, which is what's exploding for me.
The systems this job runs on tend to be transient (they're
Triaged: (as stated but didn't press the button) pointer to upstream fix
Medium: Rare to hit it, but it's procps so it's core, and if it's going to
affect lots of things it's going to be a pain
** Changed in: procps (Ubuntu)
Importance: Undecided = Medium
** Changed in: procps (Ubuntu)
Dave, please follow up on this regression reported against the procps
SRU.
** Changed in: procps (Ubuntu)
Assignee: (unassigned) = Dave Chiluk (chiluk)
** Also affects: procps (Ubuntu Precise)
Importance: Undecided
Status: New
** Also affects: procps (Ubuntu Quantal)
Triaged: Pointer to upstream fix
John-Mark: How often does this trigger, is this something that causes
regular pain or a rare issue?
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