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aseqdump: Correct the limit of UMP 7-bit SysEx bytes

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UMP 7-bit SysEx can hold up to 6 bytes, not 14 bytes.

Fixes: 02b0c3af56 ("aseqdump: Avoid OOB access with broken SysEx UMP packets")
Signed-off-by: Takashi Iwai <tiwai@suse.de>
This commit is contained in:
Takashi Iwai 2024-07-26 14:46:58 +02:00
parent 02b0c3af56
commit 0188f93f02
1 changed files with 2 additions and 2 deletions
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4
seq/aseqdump/aseqdump.c
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@ -698,8 +698,8 @@ static void dump_ump_sysex_event(const unsigned int *ump)
dump_ump_sysex_status("SysEx", snd_ump_sysex_msg_status(ump)); dump_ump_sysex_status("SysEx", snd_ump_sysex_msg_status(ump));
length = snd_ump_sysex_msg_length(ump); length = snd_ump_sysex_msg_length(ump);
printf(" length %d ", length); printf(" length %d ", length);
if (length > 14) if (length > 6)
length = 14; length = 6;
for (i = 0; i < length; i++) for (i = 0; i < length; i++)
printf("%s%02x", i ? ":" : "", ump_sysex7_data(ump, i)); printf("%s%02x", i ? ":" : "", ump_sysex7_data(ump, i));
printf("\n"); printf("\n");