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| author | Samuel Thibault <samuel.thibault@ens-lyon.org> | 2022-05-05 02:14:43 +0200 |
|---|---|---|
| committer | Samuel Thibault <samuel.thibault@ens-lyon.org> | 2022-05-05 02:14:43 +0200 |
| commit | eff158b75dee466ac0c37a17b2165072ee0b7aeb (patch) | |
| tree | e61ace6dbbca978ddcf75f8f043740eac6b90a67 /sysdeps | |
| parent | c1b68685d438373efe64e5f076f4215723004dfb (diff) | |
| download | glibc-eff158b75dee466ac0c37a17b2165072ee0b7aeb.zip glibc-eff158b75dee466ac0c37a17b2165072ee0b7aeb.tar.gz glibc-eff158b75dee466ac0c37a17b2165072ee0b7aeb.tar.bz2 | |
hurd spawni: Fix reauthenticating closed fds
When an fd is closed, the port cell remains, but the port becomes
MACH_PORT_NULL, so we have to guard against it.
Diffstat (limited to 'sysdeps')
| -rw-r--r-- | sysdeps/mach/hurd/spawni.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/sysdeps/mach/hurd/spawni.c b/sysdeps/mach/hurd/spawni.c index f19b688..ffc62e6 100644 --- a/sysdeps/mach/hurd/spawni.c +++ b/sysdeps/mach/hurd/spawni.c @@ -154,7 +154,7 @@ __spawni (pid_t *pid, const char *file, reauthenticated, or was newly opened on behalf of the child. */ error_t reauthenticate_fd (int fd) { - if (dtable_cells[fd] != NULL) + if (dtable_cells[fd] != NULL && dtable[fd] != MACH_PORT_NULL) { file_t newfile; mach_port_t ref = __mach_reply_port (); |