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| author | Tetsuo Handa <[email protected]> | 2020-08-31 10:37:00 +0000 |
|---|---|---|
| committer | Greg Kroah-Hartman <[email protected]> | 2020-09-04 15:27:10 +0000 |
| commit | bd018a6a75cebb511bb55a0e7690024be975fe93 (patch) | |
| tree | e9081c7d9452a291f4076e501c189736410c949a /lib/dynamic_debug.c | |
| parent | dyndbg: fix problem parsing format="foo bar" (diff) | |
| download | kernel-bd018a6a75cebb511bb55a0e7690024be975fe93.tar.gz kernel-bd018a6a75cebb511bb55a0e7690024be975fe93.zip | |
video: fbdev: fix OOB read in vga_8planes_imageblit()
syzbot is reporting OOB read at vga_8planes_imageblit() [1], for
"cdat[y] >> 4" can become a negative value due to "const char *cdat".
[1] https://syzkaller.appspot.com/bug?id=0d7a0da1557dcd1989e00cb3692b26d4173b4132
Reported-by: syzbot <[email protected]>
Signed-off-by: Tetsuo Handa <[email protected]>
Cc: stable <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Greg Kroah-Hartman <[email protected]>
Diffstat (limited to 'lib/dynamic_debug.c')
0 files changed, 0 insertions, 0 deletions