diff options
| author | Alexei Starovoitov <ast@kernel.org> | 2024-10-25 04:45:59 +0300 |
|---|---|---|
| committer | Alexei Starovoitov <ast@kernel.org> | 2024-10-25 04:47:28 +0300 |
| commit | bfa7b5c98be4bdcf8aaa4e5ca0b91359ea28c05c (patch) | |
| tree | 751b70005cb6641c42e90191f35dac731459a6ec /lib/buildid.c | |
| parent | c6fb8030b4baa01c850f99fc6da051b1017edc46 (diff) | |
| parent | ae90f6a6170d7a7a1aa4fddf664fbd093e3023bc (diff) | |
| download | linux-bfa7b5c98be4bdcf8aaa4e5ca0b91359ea28c05c.tar.xz | |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf
Cross-merge bpf fixes after downstream PR.
No conflicts.
Adjacent changes in:
include/linux/bpf.h
include/uapi/linux/bpf.h
kernel/bpf/btf.c
kernel/bpf/helpers.c
kernel/bpf/syscall.c
kernel/bpf/verifier.c
kernel/trace/bpf_trace.c
mm/slab_common.c
tools/include/uapi/linux/bpf.h
tools/testing/selftests/bpf/Makefile
Link: https://lore.kernel.org/all/20241024215724.60017-1-daniel@iogearbox.net/
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Diffstat (limited to 'lib/buildid.c')
| -rw-r--r-- | lib/buildid.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/lib/buildid.c b/lib/buildid.c index 290641d92ac1..c4b0f376fb34 100644 --- a/lib/buildid.c +++ b/lib/buildid.c @@ -5,6 +5,7 @@ #include <linux/elf.h> #include <linux/kernel.h> #include <linux/pagemap.h> +#include <linux/secretmem.h> #define BUILD_ID 3 @@ -64,6 +65,10 @@ static int freader_get_folio(struct freader *r, loff_t file_off) freader_put_folio(r); + /* reject secretmem folios created with memfd_secret() */ + if (secretmem_mapping(r->file->f_mapping)) + return -EFAULT; + r->folio = filemap_get_folio(r->file->f_mapping, file_off >> PAGE_SHIFT); /* if sleeping is allowed, wait for the page, if necessary */ |