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Kernel: Check flags for MAP_FIXED instead of prot in sys$mmap

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We were accidentally not enforcing the map_fixed pledge
This commit is contained in:
Idan Horowitz 2022-07-27 00:41:34 +03:00
parent 6b08b18a9a
commit 01318d8f9b
Notes: sideshowbarker 2024-07-17 11:34:34 +09:00 
Author: https://github.com/IdanHo
Commit: https://github.com/SerenityOS/serenity/commit/01318d8f9b
Pull-request: https://github.com/SerenityOS/serenity/pull/18234
Reviewed-by: https://github.com/supercomputer7
1 changed files with 1 additions and 1 deletions
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2
Kernel/Syscalls/mmap.cpp
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@ -141,7 +141,7 @@ ErrorOr<FlatPtr> Process::sys$mmap(Userspace<Syscall::SC_mmap_params const*> use
TRY(require_promise(Pledge::prot_exec));
}
if (prot & MAP_FIXED || prot & MAP_FIXED_NOREPLACE) {
if (flags & MAP_FIXED || flags & MAP_FIXED_NOREPLACE) {
TRY(require_promise(Pledge::map_fixed));
}