** Changed in: lz4 (Ubuntu Xenial)
Assignee: Brian Murray (brian-murray) => (unassigned)
** Changed in: lz4 (Ubuntu Bionic)
Assignee: Brian Murray (brian-murray) => (unassigned)
** Changed in: lz4 (Ubuntu Xenial)
Status: In Progress => Triaged
** Changed in: lz4 (Ubuntu Bionic)
** Changed in: lz4 (Ubuntu Xenial)
Importance: Undecided => High
** Changed in: lz4 (Ubuntu Bionic)
Importance: Undecided => High
** Changed in: lz4 (Ubuntu Disco)
Importance: Undecided => High
** Changed in: lz4 (Ubuntu Eoan)
Importance: Undecided => High
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This patch looks like it adds a public symbol, but doesn't add it to
liblz4-1.symbols? What mechanism does this have to ensure that code
built against the new symbol gets a compatible version of liblz4-1?
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** Changed in: lz4 (Ubuntu Xenial)
Assignee: (unassigned) => Brian Murray (brian-murray)
** Changed in: lz4 (Ubuntu Bionic)
Assignee: (unassigned) => Brian Murray (brian-murray)
** Changed in: lz4 (Ubuntu Xenial)
Status: New => In Progress
** Changed in: lz4 (Ubuntu Bionic)
** Changed in: lz4 (Ubuntu Disco)
Status: New => Won't Fix
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https://bugs.launchpad.net/bugs/1851499
Title:
lz4 SIGSEGV in LZ4_decompress_generic
To manage notifications about
Hello. Bug was found when work on commpression in carbon-c-relay
https://github.com/msaf1980/carbon-c-relay/tree/fix_compress
For reproduce
$
git clone https://github.com/msaf1980/carbon-c-relay
cd carbon-c-relay
git checkout fix_compress
autoreconf -fi
./configure -with-lz4 --without-gzip
The bug description mentions a corrupt stream. For the Stable Release
Update we will need a test case to ensure that the bug is fixed. Could
you help us out creating a test case with a corrupt stream? Thanks in
advance.
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** Changed in: lz4 (Ubuntu Focal)
Status: Triaged => Fix Released
** Also affects: lz4 (Ubuntu Eoan)
Importance: Undecided
Status: New
** Also affects: lz4 (Ubuntu Xenial)
Importance: Undecided
Status: New
** Changed in: lz4 (Ubuntu Eoan)
Status: New => Fix
** Information type changed from Public to Public Security
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Title:
lz4 SIGSEGV in LZ4_decompress_generic
To manage notifications about this bug
** Tags added: id-5dc458085d71d510ddb98b36
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Title:
lz4 SIGSEGV in LZ4_decompress_generic
To manage notifications about this bug go to:
The attachment "lz4-1.8.2-null-check-in-lz4-decompress.patch" seems to
be a patch. If it isn't, please remove the "patch" flag from the
attachment, remove the "patch" tag, and if you are a member of the
~ubuntu-reviewers, unsubscribe the team.
[This is an automated message performed by a
Some correction - for Debian Buster patch needed
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Title:
lz4 SIGSEGV in LZ4_decompress_generic
To manage notifications about this bug go to:
For Ubuntu Cosmic (lz4-1.8.2)
** Patch added: "lz4-1.8.2-null-check-in-lz4-decompress.patch"
https://bugs.launchpad.net/ubuntu/+source/lz4/+bug/1851499/+attachment/5303774/+files/lz4-1.8.2-null-check-in-lz4-decompress.patch
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For Ubuntu Disco (lz4-1.8.3)
** Patch added: "lz4-1.8.3-null-check-in-lz4-decompress.patch"
https://bugs.launchpad.net/ubuntu/+source/lz4/+bug/1851499/+attachment/5303789/+files/lz4-1.8.3-null-check-in-lz4-decompress.patch
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Ubuntu Focal and Debian Buster not affected - in lz4 1.9 all problems
already fixed.
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https://bugs.launchpad.net/bugs/1851499
Title:
lz4 SIGSEGV in LZ4_decompress_generic
To manage
For Ubuntu Xenial last patches also work
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Title:
lz4 SIGSEGV in LZ4_decompress_generic
To manage notifications about this bug go to:
Patches for Ubuntu Bionic (and Debian Stretch)
** Attachment added: "lz4_r131.tar.gz"
https://bugs.launchpad.net/ubuntu/+source/lz4/+bug/1851499/+attachment/5303694/+files/lz4_r131.tar.gz
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** Tags removed: rls-ff-incoming
** Also affects: lz4 (Ubuntu Focal)
Importance: High
Status: Triaged
** Also affects: lz4 (Ubuntu Disco)
Importance: Undecided
Status: New
** Also affects: lz4 (Ubuntu Bionic)
Importance: Undecided
Status: New
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@Michail Do you have a full patch against e.g. disco sources / version?
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Title:
lz4 SIGSEGV in LZ4_decompress_generic
To manage notifications
Problem is more complex. When receive incomplete frame, decompression
context need to be reset with LZ4F_resetDecompressionContext (added in
lz4 1.8.0).
I add simple port
void LZ4F_resetDecompressionContext(LZ4F_dctx* dctx)
{
dctx->dStage = dstage_getHeader;
dctx->dict = NULL;
** Tags added: rls-ff-incoming
** Changed in: lz4 (Ubuntu)
Importance: Undecided => High
** Changed in: lz4 (Ubuntu)
Status: New => Triaged
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