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| author | Edward Tomasz Napierala <trasz@FreeBSD.org> | 2021-04-16 07:52:59 +0000 |
|---|---|---|
| committer | Edward Tomasz Napierala <trasz@FreeBSD.org> | 2021-04-16 07:56:19 +0000 |
| commit | 4b45c2bb83a1d7aded0c424d65595cc576760dc7 (patch) | |
| tree | 9799dbe4a5a6d06ed9ebcde5db21133fa0713d6a /sys/compat | |
| parent | 9bacbf1ae243de43d642c3ac0b7318ae0e5c5235 (diff) | |
| download | src-4b45c2bb83a1d7aded0c424d65595cc576760dc7.tar.gz src-4b45c2bb83a1d7aded0c424d65595cc576760dc7.zip | |
linux: make fstatat(2) handle AT_EMPTY_PATH
Without it, Qt5 apps from Focal fail to start, being unable to load
their plugins. It's also necessary for glibc 2.33, as found in recent
Arch snapshots.
PR: 254112
Reviewed By: kib
Sponsored by: The FreeBSD Foundation, EPSRC
Differential Revision: https://reviews.freebsd.org/D28192
Diffstat (limited to 'sys/compat')
| -rw-r--r-- | sys/compat/linux/linux_stats.c | 13 |
1 files changed, 11 insertions, 2 deletions
diff --git a/sys/compat/linux/linux_stats.c b/sys/compat/linux/linux_stats.c index 01f9cada670b..c88f6f53bdd7 100644 --- a/sys/compat/linux/linux_stats.c +++ b/sys/compat/linux/linux_stats.c @@ -632,10 +632,14 @@ linux_fstatat64(struct thread *td, struct linux_fstatat64_args *args) int error, dfd, flag; struct stat buf; - if (args->flag & ~LINUX_AT_SYMLINK_NOFOLLOW) + if (args->flag & ~(LINUX_AT_SYMLINK_NOFOLLOW | LINUX_AT_EMPTY_PATH)) { + linux_msg(td, "fstatat64 unsupported flag 0x%x", args->flag); return (EINVAL); + } flag = (args->flag & LINUX_AT_SYMLINK_NOFOLLOW) ? AT_SYMLINK_NOFOLLOW : 0; + flag |= (args->flag & LINUX_AT_EMPTY_PATH) ? + AT_EMPTY_PATH : 0; dfd = (args->dfd == LINUX_AT_FDCWD) ? AT_FDCWD : args->dfd; if (!LUSECONVPATH(td)) { @@ -661,10 +665,15 @@ linux_newfstatat(struct thread *td, struct linux_newfstatat_args *args) int error, dfd, flag; struct stat buf; - if (args->flag & ~LINUX_AT_SYMLINK_NOFOLLOW) + if (args->flag & ~(LINUX_AT_SYMLINK_NOFOLLOW | LINUX_AT_EMPTY_PATH)) { + linux_msg(td, "fstatat unsupported flag 0x%x", args->flag); return (EINVAL); + } + flag = (args->flag & LINUX_AT_SYMLINK_NOFOLLOW) ? AT_SYMLINK_NOFOLLOW : 0; + flag |= (args->flag & LINUX_AT_EMPTY_PATH) ? + AT_EMPTY_PATH : 0; dfd = (args->dfd == LINUX_AT_FDCWD) ? AT_FDCWD : args->dfd; if (!LUSECONVPATH(td)) { |