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(parent: 2971c05) | patch
dm ioctl: Check dm_target_spec is sufficiently aligned
authorDemi Marie Obenour <demi@invisiblethingslab.com>
Sat, 3 Jun 2023 14:52:39 +0000 (10:52 -0400)
committerMike Snitzer <snitzer@kernel.org>
Fri, 23 Jun 2023 14:31:49 +0000 (10:31 -0400)
commitb60528d9e68113e2c297c3a45102332cb1d3e608
tree08dc9427c93aa9008597fe048a70335647a45f81tree | snapshot
parent2971c058746319e9853919553259cef7fe280c94commit | diff
dm ioctl: Check dm_target_spec is sufficiently aligned

Otherwise subsequent code, if given malformed input, could dereference
a misaligned 'struct dm_target_spec *'.

Signed-off-by: Demi Marie Obenour <demi@invisiblethingslab.com>
Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au> # use %zu
Reviewed-by: Mikulas Patocka <mpatocka@redhat.com>
Signed-off-by: Mike Snitzer <snitzer@kernel.org>
drivers/md/dm-ioctl.c diff | blob | blame | history
Linux 6.x block layer and io_uring tree(s)