On Wed, Sep 27, 2017 at 03:34:16PM -0300, Gabriel Krisman Bertazi wrote: > for_each_plane_on_pipe() indexes bad memory when iterating over an invalid > pipe. Make sure the pipe exists before trying to use it. This prevents > the crash below: > > root@ideacentre:~# igt-gpu-tools/tests/kms_ccs --r pipe-D-crc-sprite-planes-basic > IGT-Version: 1.19-g59f0e3d182a8 (x86_64) (Linux: 4.13.0-rc6.intel-boxes+x86_64) > Received signal SIGSEGV. > Stack trace: > #0 [fatal_sig_handler+0x185] > #1 [killpg+0x40] > #2 [__real_main485+0x2de] > #3 [main+0x3f] > #4 [__libc_start_main+0xf1] > #5 [_start+0x2a] > #6 [<unknown>+0x2a] > Subtest pipe-D-crc-sprite-planes-basic: CRASH (0.004s) > > Signed-off-by: Gabriel Krisman Bertazi <krisman@xxxxxxxxxxxxxxx> Reviewed-by: Arkadiusz Hiler <arkadiusz.hiler@xxxxxxxxx> _______________________________________________ Intel-gfx mailing list Intel-gfx@xxxxxxxxxxxxxxxxxxxxx https://lists.freedesktop.org/mailman/listinfo/intel-gfx
