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![]() The MIDI input event parser of the LINE6 driver may enter into an endless loop when the unexpected data sequence is given, as it tries to continue the secondary bytes without termination. Also, when the input data is too short, the parser returns a negative error, while the caller doesn't handle it properly. This would lead to the unexpected behavior as well. This patch addresses those issues by checking the return value correctly and handling the one-byte event in the parser properly. The bug was reported by syzkaller. Reported-by: syzbot+cce32521ee0a824c21f7@syzkaller.appspotmail.com Cc: <stable@vger.kernel.org> Link: https://lore.kernel.org/r/000000000000033087059f8f8fa3@google.com Link: https://lore.kernel.org/r/20200309095922.30269-1-tiwai@suse.de Signed-off-by: Takashi Iwai <tiwai@suse.de> |
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.. | ||
capture.c | ||
capture.h | ||
driver.c | ||
driver.h | ||
Kconfig | ||
Makefile | ||
midi.c | ||
midi.h | ||
midibuf.c | ||
midibuf.h | ||
pcm.c | ||
pcm.h | ||
playback.c | ||
playback.h | ||
pod.c | ||
podhd.c | ||
toneport.c | ||
variax.c |