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d23eb7380d
udf_symlink_filler() can enter udf_pc_to_char() with a partial pathComponent header.
Validate that enough input remains for a complete pathComponent header
before accessing it. Reject malformed symlink data that would otherwise
make udf_pc_to_char() perform an out-of-bounds read.
Fixes: 1da177e4c3 ("Linux-2.6.12-rc2")
Signed-off-by: David Lee <david.lee@trailofbits.com>
Assisted-by: Codex:gpt-5.5
Link: https://patch.msgid.link/20260717104722.41446-1-david.lee@trailofbits.com
Signed-off-by: Jan Kara <jack@suse.cz>
173 lines
3.9 KiB
173 lines
3.9 KiB