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| author | Takashi Iwai <tiwai@suse.de> | 2024-11-20 15:11:02 +0100 |
|---|---|---|
| committer | Takashi Iwai <tiwai@suse.de> | 2024-11-21 12:34:43 +0100 |
| commit | d2913a07d9037fe7aed4b7e680684163eaed6bc4 (patch) | |
| tree | f304daa5d3e2bd9b1a5137f54c47bdb874b8c9a8 /tools/perf/scripts/python | |
| parent | ALSA: docs: fix dead hyperlink to Intel HD-Audio spec (diff) | |
| download | linux-d2913a07d9037fe7aed4b7e680684163eaed6bc4.tar.gz linux-d2913a07d9037fe7aed4b7e680684163eaed6bc4.zip | |
ALSA: pcm: Add sanity NULL check for the default mmap fault handler
A driver might allow the mmap access before initializing its
runtime->dma_area properly. Add a proper NULL check before passing to
virt_to_page() for avoiding a panic.
Reported-by: syzbot+4bf62a7b1d0f4fdb7ae2@syzkaller.appspotmail.com
Cc: <stable@vger.kernel.org>
Link: https://patch.msgid.link/20241120141104.7060-1-tiwai@suse.de
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Diffstat (limited to 'tools/perf/scripts/python')
0 files changed, 0 insertions, 0 deletions