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author | Takashi Iwai <tiwai@suse.de> | 2024-11-20 15:11:02 +0100 |
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committer | Takashi Iwai <tiwai@suse.de> | 2024-11-21 12:34:43 +0100 |
commit | d2913a07d9037fe7aed4b7e680684163eaed6bc4 (patch) | |
tree | f304daa5d3e2bd9b1a5137f54c47bdb874b8c9a8 /scripts/Makefile.vdsoinst | |
parent | 56386292a0b44b550432aaff92f28e0d0d0f0209 (diff) |
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 'scripts/Makefile.vdsoinst')
0 files changed, 0 insertions, 0 deletions