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68 lines
1.9 KiB
68 lines
1.9 KiB
From 5cb6df3f190feccc8b3e82da2b01a0e01e612a25 Mon Sep 17 00:00:00 2001
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From: Nigel Croxon <ncroxon@redhat.com>
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Date: Mon, 15 Jul 2024 10:13:46 -0400
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Subject: [PATCH 123/157] mdadm: Monitor.c fix coverity issues
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Fixing the following coding errors the coverity tools found:
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* Event check_return: Calling "fcntl(fd, 2, 1)" without checking
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return value. This library function may fail and return an error code.
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* Dereferencing "sl", which is known to be "NULL".
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* Event fixed_size_dest: You might overrun the 32-character fixed-size
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string "devnm" by copying "tmp" without checking the length.
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Signed-off-by: Nigel Croxon <ncroxon@redhat.com>
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---
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Monitor.c | 12 ++++++++----
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1 file changed, 8 insertions(+), 4 deletions(-)
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diff --git a/Monitor.c b/Monitor.c
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index 9b016bc3..26c53e13 100644
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--- a/Monitor.c
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+++ b/Monitor.c
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@@ -782,7 +782,9 @@ static int check_array(struct state *st, struct mdstat_ent *mdstat,
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if (!is_container && !md_array_active(fd))
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goto disappeared;
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- fcntl(fd, F_SETFD, FD_CLOEXEC);
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+ if (fcntl(fd, F_SETFD, FD_CLOEXEC) < 0)
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+ goto out;
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+
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if (md_get_array_info(fd, &array) < 0)
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goto disappeared;
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@@ -997,7 +999,8 @@ static int add_new_arrays(struct mdstat_ent *mdstat, struct state **statelist)
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snprintf(st->parent_devnm, MD_NAME_MAX,
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"%s", mse->metadata_version + 10);
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sl = strchr(st->parent_devnm, '/');
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- *sl = 0;
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+ if (sl)
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+ *sl = 0;
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} else
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st->parent_devnm[0] = 0;
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*statelist = st;
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@@ -1261,7 +1264,7 @@ int Wait(char *dev)
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return 2;
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}
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- strcpy(devnm, tmp);
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+ snprintf(devnm, sizeof(devnm), "%s", tmp);
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while(1) {
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struct mdstat_ent *ms = mdstat_read(1, 0);
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@@ -1332,7 +1335,8 @@ int WaitClean(char *dev, int verbose)
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return 1;
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}
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- strcpy(devnm, fd2devnm(fd));
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+ snprintf(devnm, sizeof(devnm), "%s", fd2devnm(fd));
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+
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mdi = sysfs_read(fd, devnm, GET_VERSION|GET_LEVEL|GET_SAFEMODE);
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if (!mdi) {
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if (verbose)
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--
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2.41.0
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