selftests/bpf: Fix read_iter buffer termination in test_bpffs#11346
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selftests/bpf: Fix read_iter buffer termination in test_bpffs#11346kernel-patches-daemon-bpf[bot] wants to merge 2 commits intobpf-next_basefrom
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read_iter() always NUL-terminated at the end of the buffer, so strstr() could scan uninitialized stack bytes on short reads. Terminate at len and use O_RDONLY. Signed-off-by: Sun Jian <sun.jian.kdev@gmail.com>
…bpffs maps.debug/progs.debug may be inaccessible or absent (EPERM/EACCES/ENOENT) in some environments, which used to abort test_bpffs before it exercised the pin and rename checks. Treat these errors as "iter unavailable", log an INFO message, and continue with the core bpffs tests. Signed-off-by: Sun Jian <sun.jian.kdev@gmail.com>
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Pull request for series with
subject: selftests/bpf: Fix read_iter buffer termination in test_bpffs
version: 1
url: https://patchwork.kernel.org/project/netdevbpf/list/?series=1064242