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authorNeels Hofmeyr <nhofmeyr@sysmocom.de>2016-12-12 14:42:56 +0100
committerNeels Hofmeyr <nhofmeyr@sysmocom.de>2016-12-12 15:47:51 +0100
commita280b82f8ea9ef5fc1aa6e2357d27d9d91219173 (patch)
tree826665046ac73a69255a1ee61755b30b2081c99c /src/bits.c
parent42240de04ce95e458b7b05cfa8357dae40e90b35 (diff)
show bug in logging: erratic redirection to DLGLOBAL for first invalid category
Add a check to logging_test.c to show a bug: when a logging category value that is the first out-of-bounds value is passed to the logging system, the internal map_subsys() fails to redirect to DLGLOBAL due to a flawed conditional. This results in a too large array index and undefined behavior. A sanitize build should catch this. The bug is confirmed by the fact that logging_test.err stays the same (hopefully) although a logging output should appear from this patch. The test could as well segfault or anything else, it's a bit of a gamble. This bug will be fixed along with the expectation in a subsequent patch. Change-Id: I12bf38b6c1f85e2d7bf5a15f942dfe0beed41eba
Diffstat (limited to 'src/bits.c')
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