Support unit tests and doctests #361
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Signed-off-by: Miguel Ojeda <ojeda@kernel.org>
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alex
reviewed
Jun 5, 2021
ojeda
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Jun 5, 2021
In preparation for enabling them later. Signed-off-by: Miguel Ojeda <ojeda@kernel.org>
Includes support for both unit tests and doctests. This is also in preparation of `alloc`. It may also help vendoring other crates in the future. Currently, like for `rustdoc`, only for `rust/` code. Later on we can expand the support to all modules. Signed-off-by: Miguel Ojeda <ojeda@kernel.org>
For both `kernel` and `macros`, so that we know unit tests actually run & work. Signed-off-by: Miguel Ojeda <ojeda@kernel.org>
Signed-off-by: Miguel Ojeda <ojeda@kernel.org>
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Very cool! I have a bunch of tests stashed away for So many things to do, so little time! |
wedsonaf
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Apr 11, 2023
When sock_alloc_file fails to allocate a file, it will call sock_release. __sys_socket_file should then not call sock_release again, otherwise there will be a double free. [ 89.319884] ------------[ cut here ]------------ [ 89.320286] kernel BUG at fs/inode.c:1764! [ 89.320656] invalid opcode: 0000 [Rust-for-Linux#1] PREEMPT SMP NOPTI [ 89.321051] CPU: 7 PID: 125 Comm: iou-sqp-124 Not tainted 6.2.0+ Rust-for-Linux#361 [ 89.321535] RIP: 0010:iput+0x1ff/0x240 [ 89.321808] Code: d1 83 e1 03 48 83 f9 02 75 09 48 81 fa 00 10 00 00 77 05 83 e2 01 75 1f 4c 89 ef e8 fb d2 ba 00 e9 80 fe ff ff c3 cc cc cc cc <0f> 0b 0f 0b e9 d0 fe ff ff 0f 0b eb 8d 49 8d b4 24 08 01 00 00 48 [ 89.322760] RSP: 0018:ffffbdd60068bd50 EFLAGS: 00010202 [ 89.323036] RAX: 0000000000000000 RBX: ffff9d7ad3cacac0 RCX: 0000000000001107 [ 89.323412] RDX: 000000000003af00 RSI: 0000000000000000 RDI: ffff9d7ad3cacb40 [ 89.323785] RBP: ffffbdd60068bd68 R08: ffffffffffffffff R09: ffffffffab606438 [ 89.324157] R10: ffffffffacb3dfa0 R11: 6465686361657256 R12: ffff9d7ad3cacb40 [ 89.324529] R13: 0000000080000001 R14: 0000000080000001 R15: 0000000000000002 [ 89.324904] FS: 00007f7b28516740(0000) GS:ffff9d7aeb1c0000(0000) knlGS:0000000000000000 [ 89.325328] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 89.325629] CR2: 00007f0af52e96c0 CR3: 0000000002a02006 CR4: 0000000000770ee0 [ 89.326004] PKRU: 55555554 [ 89.326161] Call Trace: [ 89.326298] <TASK> [ 89.326419] __sock_release+0xb5/0xc0 [ 89.326632] __sys_socket_file+0xb2/0xd0 [ 89.326844] io_socket+0x88/0x100 [ 89.327039] ? io_issue_sqe+0x6a/0x430 [ 89.327258] io_issue_sqe+0x67/0x430 [ 89.327450] io_submit_sqes+0x1fe/0x670 [ 89.327661] io_sq_thread+0x2e6/0x530 [ 89.327859] ? __pfx_autoremove_wake_function+0x10/0x10 [ 89.328145] ? __pfx_io_sq_thread+0x10/0x10 [ 89.328367] ret_from_fork+0x29/0x50 [ 89.328576] RIP: 0033:0x0 [ 89.328732] Code: Unable to access opcode bytes at 0xffffffffffffffd6. [ 89.329073] RSP: 002b:0000000000000000 EFLAGS: 00000202 ORIG_RAX: 00000000000001a9 [ 89.329477] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007f7b28637a3d [ 89.329845] RDX: 00007fff4e4318a8 RSI: 00007fff4e4318b0 RDI: 0000000000000400 [ 89.330216] RBP: 00007fff4e431830 R08: 00007fff4e431711 R09: 00007fff4e4318b0 [ 89.330584] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fff4e441b38 [ 89.330950] R13: 0000563835e3e725 R14: 0000563835e40d10 R15: 00007f7b28784040 [ 89.331318] </TASK> [ 89.331441] Modules linked in: [ 89.331617] ---[ end trace 0000000000000000 ]--- Fixes: da214a4 ("net: add __sys_socket_file()") Signed-off-by: Thadeu Lima de Souza Cascardo <cascardo@canonical.com> Reviewed-by: Jens Axboe <axboe@kernel.dk> Reviewed-by: Eric Dumazet <edumazet@google.com> Reviewed-by: Kuniyuki Iwashima <kuniyu@amazon.com> Link: https://lore.kernel.org/r/20230307173707.468744-1-cascardo@canonical.com Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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make rusttestruns all unit tests (i.e.#[test]) and doctests (i.e. examples in documentation etc.) insiderust/.Note that all these tests run in userspace in the host -- but this already covers a lot:
List,trim_whitespace(),static_assert!()...) as well as in proc macros.The current doctests are fixed as needed, and a few unit tests are added as an example.
This is needed to run
alloctests when integrating it.In the future:
Topic: #40.