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| author | Jonathan Callen <abcd@gentoo.org> | 2012-07-24 22:45:22 -0400 |
|---|---|---|
| committer | Zbigniew Jędrzejewski-Szmek <zbyszek@in.waw.pl> | 2013-01-19 12:03:06 -0500 |
| commit | 843fc7f7f26a6507fe896a79ed1b474c35c4300f (patch) | |
| tree | bd465b18a828d0abbc5505f2d63fc7ccb5817208 /src/core/load-fragment.c | |
| parent | 25da63b9dac8f166ebf390ca92d1de18fbfc9d11 (diff) | |
execute: Fix seccomp support on x32
In the x32 ABI, syscall numbers start at 0x40000000. Mask that bit on
x32 for lookups in the syscall_names array and syscall_filter and ensure
that syscall.h is parsed correctly.
[zj: added SYSCALL_TO_INDEX, INDEX_TO_SYSCALL macros.]
Diffstat (limited to 'src/core/load-fragment.c')
| -rw-r--r-- | src/core/load-fragment.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/src/core/load-fragment.c b/src/core/load-fragment.c index f82ddd530c..8436d4f95e 100644 --- a/src/core/load-fragment.c +++ b/src/core/load-fragment.c @@ -2120,10 +2120,12 @@ int config_parse_documentation( } static void syscall_set(uint32_t *p, int nr) { + nr = SYSCALL_TO_INDEX(nr); p[nr >> 4] |= 1 << (nr & 31); } static void syscall_unset(uint32_t *p, int nr) { + nr = SYSCALL_TO_INDEX(nr); p[nr >> 4] &= ~(1 << (nr & 31)); } |