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SIGSEGV in CUPS web ui when adding a printer#5621

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michaelrsweet merged 1 commit into
apple:masterfrom
zdohnal:cgigetarray-sigsegv
Oct 15, 2019
Merged

SIGSEGV in CUPS web ui when adding a printer#5621
michaelrsweet merged 1 commit into
apple:masterfrom
zdohnal:cgigetarray-sigsegv

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@zdohnal

@zdohnal zdohnal commented Jul 29, 2019

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Hi,

I have a report in Fedora from ABRT tool https://bugzilla.redhat.com/show_bug.cgi?id=1720688 , which caught SIGSEGV in CUPS when user tried to add new printer by CUPS web ui.

It seems the element, which is tried to dup, is NULL. The check if it is NULL should cover it.

Does the patch look good? Please let me know if I can enhance something.

@zdohnal

zdohnal commented Jul 29, 2019

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Here is backtrace
backtrace.txt

@michaelrsweet

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Hmm, that shouldn’t normally happen, but will investigate further.

@michaelrsweet michaelrsweet self-assigned this Jul 29, 2019
@michaelrsweet michaelrsweet added priority-medium investigating Investigating the issue labels Jul 29, 2019
@michaelrsweet michaelrsweet added this to the CUPS 2.2.x Updates milestone Jul 29, 2019
@michaelrsweet michaelrsweet merged commit e35d176 into apple:master Oct 15, 2019
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