From: Jes.Sorensen@redhat.com
To: neilb@suse.de
Cc: linux-raid@vger.kernel.org, dledford@redhat.com
Subject: [PATCH 04/19] sysfs_unique_holder(): Check read() return value before using as buffer index
Date: Tue, 1 Nov 2011 16:09:20 +0100 [thread overview]
Message-ID: <1320160175-18976-5-git-send-email-Jes.Sorensen@redhat.com> (raw)
In-Reply-To: <1320160175-18976-1-git-send-email-Jes.Sorensen@redhat.com>
From: Jes Sorensen <Jes.Sorensen@redhat.com>
Signed-off-by: Jes Sorensen <Jes.Sorensen@redhat.com>
---
sysfs.c | 2 ++
1 files changed, 2 insertions(+), 0 deletions(-)
diff --git a/sysfs.c b/sysfs.c
index 05f0118..10e1597 100644
--- a/sysfs.c
+++ b/sysfs.c
@@ -804,6 +804,8 @@ int sysfs_unique_holder(int devnum, long rdev)
}
n = read(fd, buf, sizeof(buf)-1);
close(fd);
+ if (n < 0)
+ continue;
buf[n] = 0;
if (sscanf(buf, "%d:%d%c", &mj, &mn, &c) != 3 ||
c != '\n') {
--
1.7.6.4
next prev parent reply other threads:[~2011-11-01 15:09 UTC|newest]
Thread overview: 24+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-11-01 15:09 [PATCH 00/19] More fixes for resource leaks and warnings Jes.Sorensen
2011-11-01 15:09 ` [PATCH 01/19] Grow_Add_device(): dev_open() return a negative fd on error Jes.Sorensen
2011-11-01 15:09 ` [PATCH 02/19] Grow_addbitmap(): don't try to close a file descriptor which failed to open Jes.Sorensen
2011-11-01 15:09 ` [PATCH 03/19] Incremental(): Check return value of dev_open() before trying to use it Jes.Sorensen
2011-11-01 15:09 ` Jes.Sorensen [this message]
2011-11-01 15:09 ` [PATCH 05/19] remove_devices(): readlink returns -1 on error Jes.Sorensen
2011-11-01 15:09 ` [PATCH 06/19] assemble_container_content(): fix memory leak Jes.Sorensen
2011-11-01 15:09 ` [PATCH 07/19] Grow_restart(): free() offsets after use Jes.Sorensen
2011-11-01 15:09 ` [PATCH 08/19] Assemble(): don't dup_super() before we need it Jes.Sorensen
2011-11-01 15:09 ` [PATCH 09/19] Detail(): Remember to free 'avail' Jes.Sorensen
2011-11-01 15:09 ` [PATCH 10/19] Grow_reshape(): Fix another 'sra' leak Jes.Sorensen
2011-11-01 15:09 ` [PATCH 11/19] enough_fd(): remember to free buffer for avail array Jes.Sorensen
2011-11-01 15:09 ` [PATCH 12/19] Manage_subdevs(): avoid leaking super Jes.Sorensen
2011-11-01 15:09 ` [PATCH 13/19] IncrementalScan(): Fix memory leak Jes.Sorensen
2011-11-01 15:09 ` [PATCH 14/19] Managa_ro(): free() mdi before exiting Jes.Sorensen
2011-11-01 15:09 ` [PATCH 15/19] Manage_runstop(): Avoid memory leak Jes.Sorensen
2011-11-01 15:09 ` [PATCH 16/19] Monitor(): free allocated memory on exit Jes.Sorensen
2011-11-01 15:09 ` [PATCH 17/19] bitmap_fd_read(): fix memory leak Jes.Sorensen
2011-11-01 15:09 ` [PATCH 18/19] validate_geometry_imsm_volume(): Avoid NULL pointer dereference Jes.Sorensen
2011-11-01 15:09 ` [PATCH 19/19] make_parts(): Avoid false positive security warning Jes.Sorensen
2011-11-01 20:30 ` Jes Sorensen
2011-11-02 0:25 ` [PATCH 00/19] More fixes for resource leaks and warnings NeilBrown
2011-11-02 14:39 ` Jes Sorensen
2011-11-02 21:58 ` Doug Ledford
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