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Test that extacks in dumps work. The test fills up the receive buffer
to test both the inline dump (as part of sendmsg()) and delayed one
(run during recvmsg()).
Use YNL helpers to parse the messages. We need to add the test to YNL
file to make sure the right include path are used.
Reviewed-by: Jacob Keller <jacob.e.keller@intel.com>
Link: https://patch.msgid.link/20241119224432.1713040-2-kuba@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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The sanity checks are going to get silently cast to unsigned
and always pass. Cast the sizeof to signed size.
Reviewed-by: Simon Horman <horms@kernel.org>
Link: https://patch.msgid.link/20241115003248.733862-1-kuba@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Close a socket with dump in progress. We need a dump which generates
enough info not to fit into a single skb. Policy dump fits the bill.
Use the trick discovered by syzbot for keeping a ref on the socket
longer than just close, with mqueue.
TAP version 13
1..3
# Starting 3 tests from 1 test cases.
# RUN global.test_sanity ...
# OK global.test_sanity
ok 1 global.test_sanity
# RUN global.close_in_progress ...
# OK global.close_in_progress
ok 2 global.close_in_progress
# RUN global.close_with_ref ...
# OK global.close_with_ref
ok 3 global.close_with_ref
# PASSED: 3 / 3 tests passed.
# Totals: pass:3 fail:0 xfail:0 xpass:0 skip:0 error:0
Note that this test is not expected to fail but rather crash
the kernel if we get the cleanup wrong.
Reviewed-by: Kuniyuki Iwashima <kuniyu@amazon.com>
Link: https://patch.msgid.link/20241106015235.2458807-2-kuba@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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