[PATCH bpf v2 0/2] Fix offset when fault occurs in strncpy_from_kernel_nofault()

From: Alban Crequy
Date: Thu Nov 10 2022 - 03:56:37 EST


Hi,

This is v2 of the fix & selftest previously sent at:
https://lore.kernel.org/linux-mm/20221108195211.214025-1-flaniel@xxxxxxxxxxxxxxxxxxx/

Changes v1 to v2:
- add 'cc:stable', 'Fixes:' and review/ack tags
- update commitmsg and fix my email
- rebase on bpf tree and tag for bpf tree

Thanks!


Alban Crequy (2):
maccess: fix writing offset in case of fault in
strncpy_from_kernel_nofault()
selftests: bpf: add a test when bpf_probe_read_kernel_str() returns
EFAULT

mm/maccess.c | 2 +-
tools/testing/selftests/bpf/prog_tests/varlen.c | 7 +++++++
tools/testing/selftests/bpf/progs/test_varlen.c | 5 +++++
3 files changed, 13 insertions(+), 1 deletion(-)

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2.36.1