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author | David S. Miller <davem@davemloft.net> | 2012-04-02 14:31:19 -0700 |
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committer | David S. Miller <davem@davemloft.net> | 2012-04-02 14:31:19 -0700 |
commit | 135ffda8b84226a91c6062db69a61975b2f11cb6 (patch) | |
tree | 5aa71e41591bc7246f36bb55fbf7dc7daaefd9d1 /iconvdata/testdata | |
parent | 302cadd343d26cfa9b043c213c2a38de259464d8 (diff) | |
download | glibc-135ffda8b84226a91c6062db69a61975b2f11cb6.tar.gz glibc-135ffda8b84226a91c6062db69a61975b2f11cb6.tar.xz glibc-135ffda8b84226a91c6062db69a61975b2f11cb6.zip |
Tighten up vfprintf width, precision, and total length overflow handling.
With help from Paul Eggert, Carlos O'Donell, and Roland McGrath. * stdio-common/printf-parse.h (read_int): Change return type to 'int', return -1 on INT_MAX overflow. * stdio-common/vfprintf.c (vfprintf): Validate width and precision against overflow of INT_MAX. Set errno to EOVERFLOW when 'done' overflows INT_MAX. Check for overflow of in-format-string precision values properly. Use EOVERFLOW rather than ERANGE throughout. Use SIZE_MAX not INT_MAX for integer overflow test. * stdio-common/printf-parsemb.c: If read_int signals an overflow, skip the construct in the format string but do not record anything. * stdio-common/bug22.c: Adjust to test both width/prevision INT_MAX overflow as well as total length INT_MAX overflow. Check explicitly for proper errno values.
Diffstat (limited to 'iconvdata/testdata')
0 files changed, 0 insertions, 0 deletions