CVS log for src/lib/libc/stdlib/jemalloc.c

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Default branch: MAIN
Current tag: pgoyette-compat-0906

Revision 1.45 / (download) - annotate - [select for diffs], Wed Jul 25 20:05:35 2018 UTC (16 months, 1 week ago) by kamil
Branch: MAIN
CVS Tags: pgoyette-compat-20190127, pgoyette-compat-20190118, pgoyette-compat-1226, pgoyette-compat-1126, pgoyette-compat-1020, pgoyette-compat-0930, pgoyette-compat-0906, pgoyette-compat-0728
Changes since 1.44: +6 -6 lines
Diff to previous 1.44 (colored)

Avoid undefined behavior in left bit shift in jemalloc(3)

Change the type of shifted value to unsigned to prevent altering the
signedness bit.

jemalloc.c:1707:14, left shift of 1 by 31 places cannot be represented in type 'int'
jemalloc.c:1724:15, left shift of 1 by 31 places cannot be represented in type 'int'
jemalloc.c:1840:28, left shift of 1 by 31 places cannot be represented in type 'int'

Detected with micro-UBSan in the user mode.

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