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linux-sg2042/block/partitions
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Christoph Hellwig 08fc1ab6d7 block: fix locking in bdev_del_partition 
We need to hold the whole device bd_mutex to protect against
other thread concurrently deleting out partition before we get
to it, and thus causing a use after free.

Fixes: cddae808ae ("block: pass a hd_struct to delete_partition")
Reported-by: syzbot+6448f3c229bc52b82f69@syzkaller.appspotmail.com
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
 		2020-09-01 08:35:35 -06:00
..
Kconfig treewide: replace '---help---' in Kconfig files with 'help' 2020-06-14 01:57:21 +09:00
Makefile block: merge partition-generic.c and check.c 2020-03-24 07:57:08 -06:00
acorn.c block: declare all partition detection routines in check.h 2020-03-24 07:57:08 -06:00
aix.c block: declare all partition detection routines in check.h 2020-03-24 07:57:08 -06:00
amiga.c block: declare all partition detection routines in check.h 2020-03-24 07:57:08 -06:00
atari.c License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
atari.h block: declare all partition detection routines in check.h 2020-03-24 07:57:08 -06:00
check.h block: move block layer internals out of include/linux/genhd.h 2020-03-25 09:50:08 -06:00
cmdline.c block: declare all partition detection routines in check.h 2020-03-24 07:57:08 -06:00
core.c block: fix locking in bdev_del_partition 2020-09-01 08:35:35 -06:00
efi.c partitions/efi: Fix partition name parsing in GUID partition entry 2020-03-08 10:00:09 +01:00
efi.h Merge branch 'efi-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 2020-03-30 16:13:08 -07:00
ibm.c s390/dasd: remove ioctl_by_bdev calls 2020-05-21 08:22:20 -06:00
karma.c block: remove block/partitions/karma.h 2020-03-24 07:57:08 -06:00
ldm.c partitions/ldm: Replace uuid_copy() with import_uuid() where it makes sense 2020-06-18 09:17:54 -06:00
ldm.h block: Replace zero-length array with flexible-array 2020-06-15 23:08:32 -05:00
mac.c License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
mac.h block: declare all partition detection routines in check.h 2020-03-24 07:57:08 -06:00
msdos.c block: move the various x86 Unix label formats out of genhd.h 2020-03-24 07:57:08 -06:00
osf.c block: remove block/partitions/osf.h 2020-03-24 07:57:08 -06:00
sgi.c block: move the *_PARTITION enum out of genhd.h 2020-03-24 07:57:08 -06:00
sun.c block: move the *_PARTITION enum out of genhd.h 2020-03-24 07:57:08 -06:00
sysv68.c block: declare all partition detection routines in check.h 2020-03-24 07:57:08 -06:00
ultrix.c block: declare all partition detection routines in check.h 2020-03-24 07:57:08 -06:00