Author: brooks
Date: Tue May 29 17:49:03 2018
New Revision: 334342
URL: https://svnweb.freebsd.org/changeset/base/334342
Log:
Correct pointer subtraction in KASSERT().
The assertion would never fire without truly spectacular future
programming errors.
Reported by: Coverity
CID: 1391367, 1391368
Sponsored by: DARPA, AFRL
Modified:
head/sys/kern/imgact_elf.c
Modified: head/sys/kern/imgact_elf.c
==============================================================================
--- head/sys/kern/imgact_elf.c Tue May 29 17:44:40 2018 (r334341)
+++ head/sys/kern/imgact_elf.c Tue May 29 17:49:03 2018 (r334342)
@@ -1145,8 +1145,7 @@ __elfN(freebsd_fixup)(register_t **stack_base, struct
free(imgp->auxargs, M_TEMP);
imgp->auxargs = NULL;
- KASSERT((pos - argarray) / sizeof(*pos) <= AT_COUNT,
- ("Too many auxargs"));
+ KASSERT(pos - argarray <= AT_COUNT, ("Too many auxargs"));
error = copyout(argarray, auxbase, sizeof(*argarray) * AT_COUNT);
free(argarray, M_TEMP);
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