Archive for November, 2015

11/20: How to debug a segfault from dmesg log

LinuxShawnNo Comments

When presented with a segfault like this:

segfault at 0 ip b7a64b57 sp bf8fda58 error 4
in libc-2.9.so[b79f1000+13f000]

tl;dr

Problem happened within libc-2.9.so at 0x73b57 in the function strncmp because of a user-mode read access error trying to access 0x0 (NULL)

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