Messages in this thread | | | Date | Fri, 6 Jan 2023 20:19:51 +0100 | Subject | Re: [PATCH selftest/net/af_unix 1/1] Fix size of parameter to connect() | From | Mirsad Goran Todorovac <> |
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Hi,
On 06. 01. 2023. 18:58, Kuniyuki Iwashima wrote: > Hi, > > Thanks for the patch.
Thank you for your quick review. I had to do the homework before replying.
> From: Mirsad Goran Todorovac <mirsad.todorovac@alu.unizg.hr> > Date: Fri, 6 Jan 2023 18:18:58 +0100 >> From: Mirsad Goran Todorovac <mirsad.todorovac@alu.unizg.hr> >> >> Adjust size parameter in connect() to match the type of the parameter, to fix "No such file or directory" >> error in selftests/net/af_unix/test_oob_unix.c:127. > > Could you wrap the changelog to 75 chars except for log (strace below) ? > checkpatch.pl will help. > > $ git show HEAD --format=email | ./scripts/checkpatch.pl
The complete result according to the guidelines will be in the followup email.
>> The existing code happens to work provided that the autogenerated pathname is shorter than >> sizeof (struct sockaddr), which is why it hasn't been noticed earlier. >> >> Visible from the trace excerpt: >> >> bind(3, {sa_family=AF_UNIX, sun_path="unix_oob_453059"}, 110) = 0 >> clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x7fa6a6577a10) = 453060 >> [pid <child>] connect(6, {sa_family=AF_UNIX, sun_path="unix_oob_45305"}, 16) = -1 ENOENT (No such file or directory) >> >> BUG: The filename is trimmed to sizeof (struct sockaddr). >> >> The patch is generated against the "vanilla" torvalds mainline tree 6.2-rc2. > > Every patch that fixes networking code has to be applied cleanly on net.git. > https://git.kernel.org/pub/scm/linux/kernel/git/netdev/net.git/ > > But the patch can not be applied to net.git.
I have tested the patch against net.git, and it is a verbatim copy (tested by diff).
> Could you check this ? > https://patchwork.kernel.org/project/netdevbpf/patch/bd7ff00a-6892-fd56-b3ca-4b3feb6121d8@alu.unizg.hr/ > > Also, the mail title should be > > [PATCH Tree Version Nth/Total] subsystem: Description. > > Next time, Tree is net and Version is v2, and we need not write 1/1, so the > subject should be > > [PATCH net v2] af_unix: selftest: Fix size of parameter to connect()
Got it. Will do in the followup email.
> Please see here for details. > https://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next.git/tree/Documentation/process/maintainer-netdev.rst > > >> >> Thanks and regards, >> Mirsad Todorovac > > You can remove these lines.
Sure.
>> Reported-by: Mirsad Goran Todorovac <mirsad.todorovac@alu.unizg.hr> > > In this case, you are the reporter and the author of the patch, so the > Reported-by tag is not needed. Instead, you have to add your SOB tag. > > Signed-off-by: Mirsad Goran Todorovac <mirsad.todorovac@alu.unizg.hr>
OK.
>> Cc: "David S. Miller" <davem@davemloft.net> >> Cc: Eric Dumazet <edumazet@google.com> >> Cc: Jakub Kicinski <kuba@kernel.org> >> Cc: Paolo Abeni <pabeni@redhat.com> >> Cc: Shuah Khan <shuah@kernel.org> >> Cc: Kuniyuki Iwashima <kuniyu@amazon.co.jp> >> Cc: Florian Westphal <fw@strlen.de> >> Reviewed-by: Florian Westphal <fw@strlen.de> > > Please add Fixes tag as I said here. > https://lore.kernel.org/netdev/20230103111335.81600-1-kuniyu@amazon.com/#r > > Thank you, > Kuniyuki > > >> >> --- >> tools/testing/selftests/net/af_unix/test_unix_oob.c | 2 +- >> 1 file changed, 1 insertion(+), 1 deletion(-) >> >> diff --git a/tools/testing/selftests/net/af_unix/test_unix_oob.c b/tools/testing/selftests/net/af_unix/test_unix_oob.c >> index b57e91e1c3f2..532459a15067 100644 >> --- a/tools/testing/selftests/net/af_unix/test_unix_oob.c >> +++ b/tools/testing/selftests/net/af_unix/test_unix_oob.c >> @@ -124,7 +124,7 @@ void producer(struct sockaddr_un *consumer_addr) >> >> wait_for_signal(pipefd[0]); >> if (connect(cfd, (struct sockaddr *)consumer_addr, >> - sizeof(struct sockaddr)) != 0) { >> + sizeof(*consumer_addr)) != 0) { >> perror("Connect failed"); >> kill(0, SIGTERM); >> exit(1); >>
-- Mirsad Goran Todorovac Sistem inženjer Grafički fakultet | Akademija likovnih umjetnosti Sveučilište u Zagrebu -- System engineer Faculty of Graphic Arts | Academy of Fine Arts University of Zagreb, Republic of Croatia The European Union
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