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MDEV-20688 Recovery crashes after unnecessarily reading a corrupted page

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The test encryption.innodb-redo-badkey was accidentally disabled
until commit 23657a2101 enabled
it recently. Once it was enabled, it started failing randomly.

recv_recover_corrupt_page(): Do not assume that any redo log exists
for the page. A page may be unnecessarily read by read-ahead.
When noting the corruption, reset recv_addr->state to RECV_PROCESSED,
so that even if the same page is re-read again, we will only
decrement recv_sys->n_addrs once.
This commit is contained in:
Thirunarayanan Balathandayuthapani
2019-09-27 17:46:10 +05:30
committed by Marko Mäkelä
parent d874cdeccc
commit c76873f23d
3 changed files with 22 additions and 18 deletions
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7
mysql-test/suite/encryption/r/innodb-redo-badkey.result
View File

@ -1,9 +1,10 @@
call mtr.add_suppression("Plugin 'file_key_management'");
call mtr.add_suppression("Plugin 'InnoDB' init function returned error.");
call mtr.add_suppression("InnoDB: The page \\[page id: space=[1-9][0-9]*, page number=[0-9]+\\] in file .*test/t[1-4]\\.ibd cannot be decrypted");
call mtr.add_suppression("InnoDB: The page \\[page id: space=[1-9][0-9]*, page number=[0-9]+\\] in file '.*test/t[1-4]\\.ibd' cannot be decrypted");
call mtr.add_suppression("failed to read or decrypt \\[page id: space=[1-9][0-9]*, page number=[1-9][0-9]*\\]");
call mtr.add_suppression("InnoDB: Unable to decompress .*.test.t1\\.ibd\\[page id: space=[1-9][0-9]*, page number=[0-9]+\\]");
call mtr.add_suppression("InnoDB: Database page corruption on disk or a failed file read of tablespace test/t1 page \\[page id: space=[1-9][0-9]*, page number=[0-9]*\\]");
call mtr.add_suppression("InnoDB: Unable to decompress .*.test.t[12]\\.ibd\\[page id: space=[1-9][0-9]*, page number=[0-9]+\\]");
call mtr.add_suppression("InnoDB: Database page corruption on disk or a failed file read of tablespace test/t[12] page \\[page id: space=[1-9][0-9]*, page number=[0-9]*\\]");
call mtr.add_suppression("InnoDB: Failed to read file '.*' at offset .*");
call mtr.add_suppression("InnoDB: Plugin initialization aborted");
call mtr.add_suppression("Plugin 'InnoDB' registration as a STORAGE ENGINE failed");
# Restart mysqld --file-key-management-filename=keys2.txt

7
mysql-test/suite/encryption/t/innodb-redo-badkey.test
View File

@ -5,10 +5,11 @@
call mtr.add_suppression("Plugin 'file_key_management'");
call mtr.add_suppression("Plugin 'InnoDB' init function returned error.");
call mtr.add_suppression("InnoDB: The page \\[page id: space=[1-9][0-9]*, page number=[0-9]+\\] in file .*test/t[1-4]\\.ibd cannot be decrypted");
call mtr.add_suppression("InnoDB: The page \\[page id: space=[1-9][0-9]*, page number=[0-9]+\\] in file '.*test/t[1-4]\\.ibd' cannot be decrypted");
call mtr.add_suppression("failed to read or decrypt \\[page id: space=[1-9][0-9]*, page number=[1-9][0-9]*\\]");
call mtr.add_suppression("InnoDB: Unable to decompress .*.test.t1\\.ibd\\[page id: space=[1-9][0-9]*, page number=[0-9]+\\]");
call mtr.add_suppression("InnoDB: Database page corruption on disk or a failed file read of tablespace test/t1 page \\[page id: space=[1-9][0-9]*, page number=[0-9]*\\]");
call mtr.add_suppression("InnoDB: Unable to decompress .*.test.t[12]\\.ibd\\[page id: space=[1-9][0-9]*, page number=[0-9]+\\]");
call mtr.add_suppression("InnoDB: Database page corruption on disk or a failed file read of tablespace test/t[12] page \\[page id: space=[1-9][0-9]*, page number=[0-9]*\\]");
call mtr.add_suppression("InnoDB: Failed to read file '.*' at offset .*");
call mtr.add_suppression("InnoDB: Plugin initialization aborted");
call mtr.add_suppression("Plugin 'InnoDB' registration as a STORAGE ENGINE failed");

26
storage/innobase/log/log0recv.cc
View File

@ -2221,18 +2221,20 @@ void recv_recover_corrupt_page(page_id_t page_id)
mutex_enter(&recv_sys->mutex);
if (!recv_sys->apply_log_recs) {
mutex_exit(&recv_sys->mutex);
return;
}
recv_addr_t* recv_addr = recv_get_fil_addr_struct(
page_id.space(), page_id.page_no());
ut_ad(recv_addr->state != RECV_WILL_NOT_READ);
if (recv_addr->state != RECV_BEING_PROCESSED
&& recv_addr->state != RECV_PROCESSED) {
recv_sys->n_addrs--;
} else if (recv_addr_t* recv_addr = recv_get_fil_addr_struct(
page_id.space(), page_id.page_no())) {
switch (recv_addr->state) {
case RECV_WILL_NOT_READ:
ut_ad(!"wrong state");
break;
case RECV_BEING_PROCESSED:
case RECV_PROCESSED:
break;
default:
recv_addr->state = RECV_PROCESSED;
ut_ad(recv_sys->n_addrs);
recv_sys->n_addrs--;
}
}
mutex_exit(&recv_sys->mutex);