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| author |   Christoph Hellwig <hch@lst.de> | 2020-09-01 11:59:41 +0200 |
|---|---|---|
| committer |   Jens Axboe <axboe@kernel.dk> | 2020-09-01 08:35:35 -0600 |
| commit | 08fc1ab6d748ab1a690fd483f41e2938984ce353 (patch) | |
| tree | 7e141849aad3fc830215030bb9cf0cbe081a80f1 /drivers/usb/cdns3/cdns3-debug.h | |
| parent | block: release disk reference in hd_struct_free_work (diff) | |
| download | wireguard-linux-08fc1ab6d748ab1a690fd483f41e2938984ce353.tar.xz wireguard-linux-08fc1ab6d748ab1a690fd483f41e2938984ce353.zip | |
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: cddae808aeb7 ("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>
Diffstat (limited to 'drivers/usb/cdns3/cdns3-debug.h')
0 files changed, 0 insertions, 0 deletions