From: Edward Liaw edliaw@google.com
stable inclusion from stable-v6.6.33 commit 382494aa88814b641f4327db92b564e277ca4dbf category: bugfix bugzilla: https://gitee.com/openeuler/kernel/issues/IAD6H2
Reference: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id=...
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[ Upstream commit eb59a58113717df04b8a8229befd8ab1e5dbf86e ]
Android bionic warns that open modes are ignored if O_CREAT or O_TMPFILE aren't specified. The permissions for the file are set above:
fd1 = open(kpath, O_RDWR | O_CREAT | O_TRUNC, 0644);
Link: https://lkml.kernel.org/r/20240429234610.191144-1-edliaw@google.com Fixes: d97b46a64674 ("syscalls, x86: add __NR_kcmp syscall") Signed-off-by: Edward Liaw edliaw@google.com Reviewed-by: Cyrill Gorcunov gorcunov@gmail.com Cc: Eric Biederman ebiederm@xmission.com Cc: Shuah Khan shuah@kernel.org Signed-off-by: Andrew Morton akpm@linux-foundation.org Signed-off-by: Sasha Levin sashal@kernel.org Signed-off-by: Wang Hai wanghai38@huawei.com --- tools/testing/selftests/kcmp/kcmp_test.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/tools/testing/selftests/kcmp/kcmp_test.c b/tools/testing/selftests/kcmp/kcmp_test.c index 25110c7c0b3e..d7a8e321bb16 100644 --- a/tools/testing/selftests/kcmp/kcmp_test.c +++ b/tools/testing/selftests/kcmp/kcmp_test.c @@ -91,7 +91,7 @@ int main(int argc, char **argv) ksft_print_header(); ksft_set_plan(3);
- fd2 = open(kpath, O_RDWR, 0644); + fd2 = open(kpath, O_RDWR); if (fd2 < 0) { perror("Can't open file"); ksft_exit_fail();