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unlzma: do emit the error message on bad input, when we exit with 1

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Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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Denys Vlasenko
2018-04-24 13:49:12 +02:00
parent df45eb49ac
commit 77bf05dfe3
1 changed files with 6 additions and 0 deletions
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6
archival/libarchive/decompress_unlzma.c
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@@ -498,6 +498,12 @@ unpack_lzma_stream(transformer_state_t *xstate)
IF_DESKTOP(total_written += buffer_pos;) IF_DESKTOP(total_written += buffer_pos;)
if (transformer_write(xstate, buffer, buffer_pos) != (ssize_t)buffer_pos) { if (transformer_write(xstate, buffer, buffer_pos) != (ssize_t)buffer_pos) {
bad: bad:
/* One of our users, bbunpack(), expects _us_ to emit
* the error message (since it's the best place to give
* potentially more detailed information).
* Do not fail silently.
*/
bb_error_msg("corrupted data");
total_written = -1; /* failure */ total_written = -1; /* failure */
} }
rc_free(rc); rc_free(rc);