basebuilder_pel7ppc64bebuilder0
7 years ago
1 changed files with 63 additions and 0 deletions
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From 756f8301d5f7959312bea3fa8865bb543d43fd50 Mon Sep 17 00:00:00 2001 |
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From: Karel Zak <kzak@redhat.com> |
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Date: Wed, 8 Feb 2017 10:19:56 +0100 |
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Subject: [PATCH] su: properly clear child PID |
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|
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Upstream: http://github.com/karelzak/util-linux/commit/dffab154d29a288aa171ff50263ecc8f2e14a891 |
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Addresses: https://bugzilla.redhat.com/show_bug.cgi?id=1419474 |
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Signed-off-by: Karel Zak <kzak@redhat.com> |
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--- |
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login-utils/su-common.c | 25 +++++++++++++++---------- |
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1 file changed, 15 insertions(+), 10 deletions(-) |
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diff --git a/login-utils/su-common.c b/login-utils/su-common.c |
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index d53d690..9b3cad5 100644 |
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--- a/login-utils/su-common.c |
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+++ b/login-utils/su-common.c |
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@@ -357,21 +357,26 @@ create_watching_parent (void) |
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break; |
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} |
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if (pid != (pid_t)-1) |
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- if (WIFSIGNALED (status)) |
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- { |
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- fprintf (stderr, "%s%s\n", strsignal (WTERMSIG (status)), |
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- WCOREDUMP (status) ? _(" (core dumped)") : ""); |
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- status = WTERMSIG (status) + 128; |
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- } |
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- else |
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- status = WEXITSTATUS (status); |
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+ { |
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+ if (WIFSIGNALED (status)) |
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+ { |
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+ fprintf (stderr, "%s%s\n", strsignal (WTERMSIG (status)), |
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+ WCOREDUMP (status) ? _(" (core dumped)") : ""); |
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+ status = WTERMSIG (status) + 128; |
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+ } |
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+ else |
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+ status = WEXITSTATUS (status); |
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+ |
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+ /* child is gone, don't use the PID anymore */ |
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+ child = (pid_t) -1; |
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+ } |
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else |
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status = 1; |
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} |
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else |
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status = 1; |
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|
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- if (caught_signal) |
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+ if (caught_signal && child != (pid_t)-1) |
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{ |
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fprintf (stderr, _("\nSession terminated, killing shell...")); |
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kill (child, SIGTERM); |
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@@ -379,7 +384,7 @@ create_watching_parent (void) |
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cleanup_pam (PAM_SUCCESS); |
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- if (caught_signal) |
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+ if (caught_signal && (child != (pid_t)-1)) |
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{ |
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sleep (2); |
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kill (child, SIGKILL); |
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-- |
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2.7.4 |
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