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| author | H. Peter Anvin <hpa@linux.intel.com> | 2014-01-21 07:15:52 -0800 |
|---|---|---|
| committer | H. Peter Anvin <hpa@linux.intel.com> | 2014-01-21 07:15:52 -0800 |
| commit | 52db71c1a94c07b27f23048adbce9be1583c146f (patch) | |
| tree | 7bdd2f9347b7fdee103dd27dedcd7bf11d069453 | |
| parent | ba3c1d66fc9f6638ea22949e71d10dc4f7e83796 (diff) | |
| download | syslinux-52db71c1a94c07b27f23048adbce9be1583c146f.tar.gz syslinux-52db71c1a94c07b27f23048adbce9be1583c146f.tar.xz syslinux-52db71c1a94c07b27f23048adbce9be1583c146f.zip | |
localboot: Clear register image before usingobsolete-20140121
Using a register image on the stack without initializing it is not a
good idea.
Reported-by: Erwan Velu <erwanaliasr1@gmail.com>
Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>
| -rw-r--r-- | core/localboot.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/core/localboot.c b/core/localboot.c index a4df9171..39ffc8cb 100644 --- a/core/localboot.c +++ b/core/localboot.c @@ -57,6 +57,7 @@ __export void local_boot(int16_t ax) * Load boot sector from the specified BIOS device and jump to * it. */ + memset(&ireg, 0, sizeof ireg); ireg.edx.b[0] = ax & 0xff; ireg.eax.w[0] = 0; /* Reset drive */ __intcall(0x13, &ireg, NULL); |