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stackoverflow in deleteFrameSet() on malform input #10

kcwu opened this issue Aug 14, 2016 · 1 comment


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commented Aug 14, 2016

How to reproduce:

echo '<U><frameset><frameset>0000000000000000000000000<button type=>000<i></button>00000000000000000000000000000000000000000000' | ./w3m -T text/html -dump

ASAN output:

==3819287==ERROR: AddressSanitizer: stack-overflow on address 0x7ffd7abd6ff8 (pc 0x0000006331a5 bp 0x0000006b65e5 sp 0x7ffd7abd7000 T0)
    #0 0x6331a4  (/w3m/run/
    #1 0x633330  (/w3m/run/
    #2 0x633330  (/w3m/run/
last line repeats....

This is found by afl-fuzz.

tats added a commit that referenced this issue Aug 15, 2016


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commented Aug 15, 2016

Fixed, thank you.

@tats tats closed this Aug 15, 2016

tats added a commit that referenced this issue Dec 18, 2016

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