Module Name: src
Committed By: maxv
Date: Wed Jan 1 14:52:38 UTC 2020
Modified Files:
src/sys/compat/common: kern_sig_43.c
src/sys/compat/netbsd32: netbsd32_compat_20.c netbsd32_compat_50.c
Log Message:
Fix three stack info leaks, found by kMSan when just invoking all syscalls
with a zero page as argument.
MSan: Uninitialized Stack Memory In copyout() At Offset 0, Variable 'sb32' From
compat_20_netbsd32_getfsstat()
MSan: Uninitialized Stack Memory In copyout() At Offset 12, Variable 'oss' From
compat_43_sys_sigstack()
MSan: Uninitialized Stack Memory In copyout() At Offset 0, Variable 'sb' From
compat_50_netbsd32___fhstat40()
To generate a diff of this commit:
cvs rdiff -u -r1.35 -r1.36 src/sys/compat/common/kern_sig_43.c
cvs rdiff -u -r1.38 -r1.39 src/sys/compat/netbsd32/netbsd32_compat_20.c
cvs rdiff -u -r1.43 -r1.44 src/sys/compat/netbsd32/netbsd32_compat_50.c
Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.
