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Anton Protopopov 9dc182c58b bpf: Add a verbose message if map limit is reached 
When more than 64 maps are used by a program and its subprograms the
verifier returns -E2BIG. Add a verbose message which highlights the
source of the error and also print the actual limit.

Signed-off-by: Anton Protopopov <aspsk@isovalent.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Acked-by: Yonghong Song <yonghong.song@linux.dev>
Acked-by: John Fastabend <john.fastabend@gmail.com>
Link: https://lore.kernel.org/bpf/20240402073347.195920-1-aspsk@isovalent.com
2024-04-02 16:12:00 +02:00
..
preload
bpf: make preloaded map iterators to display map elements count
2023-07-06 12:42:25 -07:00
arena.c
bpf,arena: Use helper sizeof_field in struct accessors
2024-03-28 18:31:36 -07:00
arraymap.c
bpf: Consistently use BPF token throughout BPF verifier logic
2024-01-24 16:21:01 -08:00
bloom_filter.c
bpf: Check bloom filter map value size
2024-03-27 09:56:17 -07:00
bpf_cgrp_storage.c
bpf: Enable bpf_cgrp_storage for cgroup1 non-attach case
2023-12-08 17:08:18 -08:00
bpf_inode_storage.c
Networking changes for 6.4.
2023-04-26 16:07:23 -07:00
bpf_iter.c
bpf: move sleepable flag from bpf_prog_aux to bpf_prog
2024-03-11 16:41:25 -07:00
bpf_local_storage.c
bpf: Allow compiler to inline most of bpf_local_storage_lookup()
2024-02-11 14:06:24 -08:00
bpf_lru_list.c
bpf: Address KCSAN report on bpf_lru_list
2023-05-12 12:01:03 -07:00
bpf_lru_list.h
bpf: lru: Remove unused declaration bpf_lru_promote()
2023-08-08 17:21:42 -07:00
bpf_lsm.c
bpf: Minor clean-up to sleepable_lsm_hooks BTF set
2024-02-01 18:37:45 +01:00
bpf_struct_ops.c
bpf: Check return from set_memory_rox()
2024-03-18 14:18:47 -07:00
bpf_task_storage.c
bpf: Teach verifier that certain helpers accept NULL pointer.
2023-04-04 16:57:16 -07:00
btf.c
bpf: Recognize btf_decl_tag("arg: Arena") as PTR_TO_ARENA.
2024-03-11 15:37:24 -07:00
cgroup_iter.c
bpf: Let verifier consider {task,cgroup} is trusted in bpf_iter_reg
2023-11-07 15:24:25 -08:00
cgroup.c
bpf: Allow helper bpf_get_[ns_]current_pid_tgid() for all prog types
2024-03-19 14:24:07 -07:00
core.c
bpf: Mark bpf prog stack with kmsan_unposion_memory in interpreter mode
2024-03-28 19:00:59 -07:00
cpumap.c
bpf: report RCU QS in cpumap kthread
2024-03-20 21:05:43 -07:00
cpumask.c
bpf: treewide: Annotate BPF kfuncs in BTF
2024-01-31 20:40:56 -08:00
devmap.c
bpf: Fix DEVMAP_HASH overflow check on 32-bit arches
2024-03-07 20:02:38 -08:00
disasm.c
bpf: Disasm support for addr_space_cast instruction.
2024-03-11 15:37:24 -07:00
disasm.h
bpf: Relicense disassembler as GPL-2.0-only OR BSD-2-Clause
2021-09-02 14:49:23 +02:00
dispatcher.c
bpf: Use arch_bpf_trampoline_size
2023-12-06 17:17:20 -08:00
hashtab.c
bpf: Mitigate latency spikes associated with freeing non-preallocated htab
2024-03-28 18:31:40 -07:00
helpers.c
bpf: add bpf_modify_return_test_tp() kfunc triggering tracepoint
2024-03-28 18:31:40 -07:00
inode.c
bpf: Support symbolic BPF FS delegation mount options
2024-01-24 16:21:02 -08:00
Kconfig
bpf: Merge two CONFIG_BPF entries
2024-02-07 16:38:20 -08:00
link_iter.c
bpf: Add bpf_link iterator
2022-05-10 11:20:45 -07:00
local_storage.c
cgroup changes for v6.4-rc1
2023-04-29 10:05:22 -07:00
log.c
bpf: Recognize addr_space_cast instruction in the verifier.
2024-03-11 15:37:24 -07:00
lpm_trie.c
bpf: Avoid kfree_rcu() under lock in bpf_lpm_trie.
2024-03-29 11:10:41 -07:00
Makefile
bpf: Introduce bpf_arena.
2024-03-11 15:37:23 -07:00
map_in_map.c
bpf: Optimize the free of inner map
2023-12-04 17:50:26 -08:00
map_in_map.h
bpf: Add map and need_defer parameters to .map_fd_put_ptr()
2023-12-04 17:50:26 -08:00
map_iter.c
bpf: treewide: Annotate BPF kfuncs in BTF
2024-01-31 20:40:56 -08:00
memalloc.c
bpf: Remove unnecessary cpu == 0 check in memalloc
2024-01-04 10:18:14 -08:00
mmap_unlock_work.h
bpf: Introduce helper bpf_find_vma
2021-11-07 11:54:51 -08:00
mprog.c
bpf: Handle bpf_mprog_query with NULL entry
2023-10-06 17:11:20 -07:00
net_namespace.c
net: Add includes masked by netdevice.h including uapi/bpf.h
2021-12-29 20:03:05 -08:00
offload.c
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
2023-09-21 21:49:45 +02:00
percpu_freelist.c
bpf: Initialize same number of free nodes for each pcpu_freelist
2022-11-11 12:05:14 -08:00
percpu_freelist.h
…
prog_iter.c
…
queue_stack_maps.c
bpf: Avoid deadlock when using queue and stack maps from NMI
2023-09-11 19:04:49 -07:00
reuseport_array.c
bpf: Centralize permissions checks for all BPF map types
2023-06-19 14:04:04 +02:00
ringbuf.c
bpf: Fold smp_mb__before_atomic() into atomic_set_release()
2023-10-24 14:26:07 +02:00
stackmap.c
bpf: Fix stackmap overflow check on 32-bit arches
2024-03-07 20:06:25 -08:00
syscall.c
bpf: support BPF cookie in raw tracepoint (raw_tp, tp_btf) programs
2024-03-19 23:05:34 -07:00
sysfs_btf.c
bpf: Load and verify kernel module BTFs
2020-11-10 15:25:53 -08:00
task_iter.c
bpf: Fix an issue due to uninitialized bpf_iter_task
2024-02-19 12:28:15 +01:00
tcx.c
bpf, tcx: Get rid of tcx_link_const
2023-10-23 15:01:53 -07:00
tnum.c
bpf: simplify tnum output if a fully known constant
2023-12-02 11:36:51 -08:00
token.c
bpf,token: Use BIT_ULL() to convert the bit mask
2024-01-29 20:04:55 -08:00
trampoline.c
bpf: Check return from set_memory_rox()
2024-03-18 14:18:47 -07:00
verifier.c
bpf: Add a verbose message if map limit is reached
2024-04-02 16:12:00 +02:00