diff options
| author | Miod Vallat <miod@cvs.openbsd.org> | 2023-12-13 15:57:23 +0000 |
|---|---|---|
| committer | Miod Vallat <miod@cvs.openbsd.org> | 2023-12-13 15:57:23 +0000 |
| commit | 3ce91d347df05f82e01cbc0fb507b4d6115d25d2 (patch) | |
| tree | a3805e4b25614ba51c492f7f9984a11ba5fdfc82 /sys/arch/arm | |
| parent | e1a7ce4264d639195d857541152c9ad6b70e0a86 (diff) | |
Fix syscall number bounds check computations.
Diffstat (limited to 'sys/arch/arm')
| -rw-r--r-- | sys/arch/arm/arm/syscall.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/sys/arch/arm/arm/syscall.c b/sys/arch/arm/arm/syscall.c index 3879834e2ea..0252626eeac 100644 --- a/sys/arch/arm/arm/syscall.c +++ b/sys/arch/arm/arm/syscall.c @@ -1,4 +1,4 @@ -/* $OpenBSD: syscall.c,v 1.27 2023/12/12 15:30:55 deraadt Exp $ */ +/* $OpenBSD: syscall.c,v 1.28 2023/12/13 15:57:22 miod Exp $ */ /* $NetBSD: syscall.c,v 1.24 2003/11/14 19:03:17 scw Exp $ */ /*- @@ -114,7 +114,7 @@ swi_handler(trapframe_t *frame) code = frame->tf_r12; // XXX out of range stays on syscall0, which we assume is enosys - if (code >= 0 || code <= SYS_MAXSYSCALL) + if (code > 0 && code < SYS_MAXSYSCALL) callp += code; nargs = callp->sy_argsize / sizeof(register_t); |