Merge tag 'bpf-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf

Pull bpf fixes from Daniel Borkmann::

 - Fix several issues for BPF LPM trie map which were found by syzbot
   and during addition of new test cases (Hou Tao)

 - Fix a missing process_iter_arg register type check in the BPF
   verifier (Kumar Kartikeya Dwivedi, Tao Lyu)

 - Fix several correctness gaps in the BPF verifier when interacting
   with the BPF stack without CAP_PERFMON (Kumar Kartikeya Dwivedi,
   Eduard Zingerman, Tao Lyu)

 - Fix OOB BPF map writes when deleting elements for the case of xsk map
   as well as devmap (Maciej Fijalkowski)

 - Fix xsk sockets to always clear DMA mapping information when
   unmapping the pool (Larysa Zaremba)

 - Fix sk_mem_uncharge logic in tcp_bpf_sendmsg to only uncharge after
   sent bytes have been finalized (Zijian Zhang)

 - Fix BPF sockmap with vsocks which was missing a queue check in poll
   and sockmap cleanup on close (Michal Luczaj)

 - Fix tools infra to override makefile ARCH variable if defined but
   empty, which addresses cross-building tools. (Björn Töpel)

 - Fix two resolve_btfids build warnings on unresolved bpf_lsm symbols
   (Thomas Weißschuh)

 - Fix a NULL pointer dereference in bpftool (Amir Mohammadi)

 - Fix BPF selftests to check for CONFIG_PREEMPTION instead of
   CONFIG_PREEMPT (Sebastian Andrzej Siewior)

* tag 'bpf-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf: (31 commits)
  selftests/bpf: Add more test cases for LPM trie
  selftests/bpf: Move test_lpm_map.c to map_tests
  bpf: Use raw_spinlock_t for LPM trie
  bpf: Switch to bpf mem allocator for LPM trie
  bpf: Fix exact match conditions in trie_get_next_key()
  bpf: Handle in-place update for full LPM trie correctly
  bpf: Handle BPF_EXIST and BPF_NOEXIST for LPM trie
  bpf: Remove unnecessary kfree(im_node) in lpm_trie_update_elem
  bpf: Remove unnecessary check when updating LPM trie
  selftests/bpf: Add test for narrow spill into 64-bit spilled scalar
  selftests/bpf: Add test for reading from STACK_INVALID slots
  selftests/bpf: Introduce __caps_unpriv annotation for tests
  bpf: Fix narrow scalar spill onto 64-bit spilled scalar slots
  bpf: Don't mark STACK_INVALID as STACK_MISC in mark_stack_slot_misc
  samples/bpf: Remove unnecessary -I flags from libbpf EXTRA_CFLAGS
  bpf: Zero index arg error string for dynptr and iter
  selftests/bpf: Add tests for iter arg check
  bpf: Ensure reg is PTR_TO_STACK in process_iter_arg
  tools: Override makefile ARCH variable if defined, but empty
  selftests/bpf: Add apply_bytes test to test_txmsg_redir_wait_sndmem in test_sockmap
  ...

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