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| author | Al Viro <viro@zeniv.linux.org.uk> | 2016-12-16 13:42:06 -0500 |
|---|---|---|
| committer | Al Viro <viro@zeniv.linux.org.uk> | 2016-12-22 23:03:42 -0500 |
| commit | 128394eff343fc6d2f32172f03e24829539c5835 (patch) | |
| tree | 025d426075681b9904895045929e322429b8a251 /drivers/rtc/rtc-cmos.c | |
| parent | f698cccbc89e33cda4795a375e47daaa3689485e (diff) | |
| download | linux-128394eff343fc6d2f32172f03e24829539c5835.tar.gz linux-128394eff343fc6d2f32172f03e24829539c5835.tar.bz2 linux-128394eff343fc6d2f32172f03e24829539c5835.zip | |
sg_write()/bsg_write() is not fit to be called under KERNEL_DS
Both damn things interpret userland pointers embedded into the payload;
worse, they are actually traversing those. Leaving aside the bad
API design, this is very much _not_ safe to call with KERNEL_DS.
Bail out early if that happens.
Cc: stable@vger.kernel.org
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Diffstat (limited to 'drivers/rtc/rtc-cmos.c')
0 files changed, 0 insertions, 0 deletions