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Fix race in libzfs_run_process_impl #16801

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merged 1 commit into from
Dec 4, 2024
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Fix race in libzfs_run_process_impl #16801

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1 change: 1 addition & 0 deletions lib/libzfs/libzfs_util.c
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Original file line number Diff line number Diff line change
Expand Up @@ -932,6 +932,7 @@ libzfs_run_process_impl(const char *path, char *argv[], char *env[], int flags,
pid = fork();
if (pid == 0) {
/* Child process */
setpgid(0, 0);
devnull_fd = open("/dev/null", O_WRONLY | O_CLOEXEC);

if (devnull_fd < 0)
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