Bugzilla – Attachment 3662 Details for
Bug 3537
OpenSSH build failed
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[patch]
compatibility for mmap flags
bz3537.diff (text/plain), 846 bytes, created by
Damien Miller
on 2023-02-10 10:35:37 AEDT
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Description:
compatibility for mmap flags
Filename:
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Creator:
Damien Miller
Created:
2023-02-10 10:35:37 AEDT
Size:
846 bytes
patch
obsolete
>diff --git a/sandbox-seccomp-filter.c b/sandbox-seccomp-filter.c >index 78c266231..22bb114ad 100644 >--- a/sandbox-seccomp-filter.c >+++ b/sandbox-seccomp-filter.c >@@ -189,10 +189,14 @@ > #endif /* __NR_futex || __NR_futex_time64 */ > > #if defined(__NR_mmap) || defined(__NR_mmap2) >+# ifdef MAP_FIXED_NOREPLACE >+# define SC_MMAP_FLAGS MAP_PRIVATE|MAP_ANONYMOUS|MAP_FIXED|MAP_FIXED_NOREPLACE >+# else >+# define SC_MMAP_FLAGS MAP_PRIVATE|MAP_ANONYMOUS|MAP_FIXED >+# endif /* MAP_FIXED_NOREPLACE */ > /* Use this for both __NR_mmap and __NR_mmap2 variants */ > # define SC_MMAP(_nr) \ >- SC_DENY_UNLESS_ARG_MASK(_nr, 3, \ >- MAP_PRIVATE|MAP_ANONYMOUS|MAP_FIXED|MAP_FIXED_NOREPLACE, EINVAL), \ >+ SC_DENY_UNLESS_ARG_MASK(_nr, 3, SC_MMAP_FLAGS, EINVAL), \ > SC_ALLOW_ARG_MASK(_nr, 2, PROT_READ|PROT_WRITE|PROT_NONE) > #endif /* __NR_mmap || __NR_mmap2 */ >
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