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chattr-util: set O_NOCTTY when reopening O_PATH fd

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Follow-up for 07862c9fc2
This commit is contained in:
Mike Yuan 2024-09-07 02:32:01 +02:00
parent 517e892210
commit 26f5897767
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GPG Key ID: 417471C0A40F58B3
1 changed files with 2 additions and 1 deletions
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src/basic/chattr-util.c
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@ -138,6 +138,7 @@ int read_attr_fd(int fd, unsigned *ret) {
struct stat st; struct stat st;
assert(fd >= 0); assert(fd >= 0);
assert(ret);
if (fstat(fd, &st) < 0) if (fstat(fd, &st) < 0)
return -errno; return -errno;
@ -156,7 +157,7 @@ int read_attr_at(int dir_fd, const char *path, unsigned *ret) {
assert(ret); assert(ret);
if (isempty(path)) { if (isempty(path)) {
fd = fd_reopen_condition(dir_fd, O_RDONLY|O_CLOEXEC, O_PATH, &fd_close); /* drop O_PATH if it is set */ fd = fd_reopen_condition(dir_fd, O_RDONLY|O_CLOEXEC|O_NOCTTY, O_PATH, &fd_close); /* drop O_PATH if it is set */
if (fd < 0) if (fd < 0)
return fd; return fd;
} else { } else {