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Daniel Borkmann says: ==================== bpf 2023-01-16 We've added 6 non-merge commits during the last 8 day(s) which contain a total of 6 files changed, 22 insertions(+), 24 deletions(-). The main changes are: 1) Mitigate a Spectre v4 leak in unprivileged BPF from speculative pointer-as-scalar type confusion, from Luis Gerhorst. 2) Fix a splat when pid 1 attaches a BPF program that attempts to send killing signal to itself, from Hao Sun. 3) Fix BPF program ID information in BPF_AUDIT_UNLOAD as well as PERF_BPF_EVENT_PROG_UNLOAD events, from Paul Moore. 4) Fix BPF verifier warning triggered from invalid kfunc call in backtrack_insn, also from Hao Sun. 5) Fix potential deadlock in htab_lock_bucket from same bucket index but different map_locked index, from Tonghao Zhang. * tag 'for-netdev' of https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf: bpf: Fix pointer-leak due to insufficient speculative store bypass mitigation bpf: hash map, avoid deadlock with suitable hash mask bpf: remove the do_idr_lock parameter from bpf_prog_free_id() bpf: restore the ebpf program ID for BPF_AUDIT_UNLOAD and PERF_BPF_EVENT_PROG_UNLOAD bpf: Skip task with pid=1 in send_signal_common() bpf: Skip invalid kfunc call in backtrack_insn ==================== Link: https://lore.kernel.org/r/20230116230745.21742-1-daniel@iogearbox.net Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Linux kernel
============
There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.
In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``. The formatted documentation can also be read online at:
https://www.kernel.org/doc/html/latest/
There are various text files in the Documentation/ subdirectory,
several of them using the Restructured Text markup notation.
Please read the Documentation/process/changes.rst file, as it contains the
requirements for building and running the kernel, and information about
the problems which may result by upgrading your kernel.