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| author | gggggg-gggggg <88845056+gggggg-gggggg@users.noreply.github.com> | 2022-07-03 01:02:45 +0200 |
|---|---|---|
| committer | Andreas Kling <kling@serenityos.org> | 2022-07-10 20:09:11 +0200 |
| commit | d728017578c18ebcf6af9a6da8182ee15a597f75 (patch) | |
| tree | 1610890afdd5e0809c984374c7256e0463dfa14d /Kernel/Syscalls | |
| parent | 656528f483f6d6bda3d17f035f5690b18b960f2a (diff) | |
| download | serenity-d728017578c18ebcf6af9a6da8182ee15a597f75.zip | |
Kernel+LibC+LibCore: Pass fcntl extra argument as pointer-sized variable
The extra argument to fcntl is a pointer in the case of F_GETLK/F_SETLK
and we were pulling out a u32, leading to pointer truncation on x86_64.
Among other things, this fixes Assistant on x86_64 :^)
Diffstat (limited to 'Kernel/Syscalls')
| -rw-r--r-- | Kernel/Syscalls/fcntl.cpp | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/Kernel/Syscalls/fcntl.cpp b/Kernel/Syscalls/fcntl.cpp index 80c0f39373..8b9d9b0a95 100644 --- a/Kernel/Syscalls/fcntl.cpp +++ b/Kernel/Syscalls/fcntl.cpp @@ -10,7 +10,7 @@ namespace Kernel { -ErrorOr<FlatPtr> Process::sys$fcntl(int fd, int cmd, u32 arg) +ErrorOr<FlatPtr> Process::sys$fcntl(int fd, int cmd, uintptr_t arg) { VERIFY_PROCESS_BIG_LOCK_ACQUIRED(this); TRY(require_promise(Pledge::stdio)); |