Eduard Zingerman 80eb73778d bpf: abort verification if env->cur_state->loop_entry != NULL ...

commit f3c2d243a3 upstream.

In addition to warning abort verification with -EFAULT.
If env->cur_state->loop_entry != NULL something is irrecoverably
buggy.

Fixes: bbbc02b744 ("bpf: copy_verifier_state() should copy 'loop_entry' field")
Suggested-by: Andrii Nakryiko <andrii.nakryiko@gmail.com>
Signed-off-by: Eduard Zingerman <eddyz87@gmail.com>
Acked-by: Andrii Nakryiko <andrii@kernel.org>
Link: https://lore.kernel.org/r/20250225003838.135319-1-eddyz87@gmail.com
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

2025-05-29 11:03:25 +02:00

..

preload

bpf: Fix BPF_INTERNAL namespace import

2025-05-05 11:00:29 +02:00

arena.c

bpf: Fix softlockup in arena_map_free on 64k page kernel

2025-02-27 04:30:19 -08:00

arraymap.c

bpf: Prevent tailcall infinite loop caused by freplace

2024-12-14 20:03:49 +01:00

bloom_filter.c

…

bpf_cgrp_storage.c

bpf: Only fails the busy counter check in bpf_cgrp_storage_get if it creates storage

2025-05-02 07:59:16 +02:00

bpf_inode_storage.c

bpf: switch fdget_raw() uses to CLASS(fd_raw, ...)

2024-08-13 15:58:10 -07:00

bpf_iter.c

[tree-wide] finally take no_llseek out

2024-09-27 08:18:43 -07:00

bpf_local_storage.c

bpf: bpf_local_storage: Always use bpf_mem_alloc in PREEMPT_RT

2025-02-08 09:57:29 +01:00

bpf_lru_list.c

…

bpf_lru_list.h

…

bpf_lsm.c

bpf, lsm: Remove bpf_lsm_key_free hook

2024-10-08 12:52:40 -07:00

bpf_struct_ops.c

bpf: Use kallsyms to find the function name of a struct_ops's stub function

2025-05-29 11:03:05 +02:00

bpf_task_storage.c

…

btf_iter.c

bpf: Remove custom build rule

2024-08-30 08:55:26 -07:00

btf_relocate.c

bpf: Remove custom build rule

2024-08-30 08:55:26 -07:00

btf.c

net: Add rx_skb of kfree_skb to raw_tp_null_args[].

2025-02-27 04:30:19 -08:00

cgroup_iter.c

…

cgroup.c

bpf: Allow pre-ordering for bpf cgroup progs

2025-05-29 11:02:17 +02:00

core.c

bpf: Fix array bounds error with may_goto

2025-04-10 14:39:21 +02:00

cpumap.c

bpf, cpumap: Move xdp:xdp_cpumap_kthread tracepoint before rcv

2024-09-11 16:32:11 +02:00

cpumask.c

…

crypto.c

…

devmap.c

bpf: fix OOB devmap writes when deleting elements

2024-12-14 20:03:30 +01:00

disasm.c

…

disasm.h

…

dispatcher.c

bpf: Add kernel symbol for struct_ops trampoline

2024-12-05 14:01:57 +01:00

hashtab.c

bpf: fix possible endless loop in BPF map iteration

2025-05-29 11:02:01 +02:00

helpers.c

bpf: Cancel the running bpf_timer through kworker for PREEMPT_RT

2025-02-08 09:57:36 +01:00

inode.c

bpf: Preserve param->string when parsing mount options

2024-10-22 12:56:38 -07:00

Kconfig

…

link_iter.c

…

local_storage.c

bpf: Replace 8 seq_puts() calls by seq_putc() calls

2024-07-29 12:53:00 -07:00

log.c

bpf: Fix print_reg_state's constant scalar dump

2024-10-17 11:06:34 -07:00

lpm_trie.c

bpf: Fix exact match conditions in trie_get_next_key()

2024-12-14 20:03:19 +01:00

Makefile

bpf: Remove custom build rule

2024-08-30 08:55:26 -07:00

map_in_map.c

bpf: switch maps to CLASS(fd, ...)

2024-08-13 15:58:17 -07:00

map_in_map.h

…

map_iter.c

…

memalloc.c

bpf: Add bpf_mem_alloc_check_size() helper

2024-10-30 12:13:46 -07:00

mmap_unlock_work.h

…

mprog.c

…

net_namespace.c

…

offload.c

…

percpu_freelist.c

…

percpu_freelist.h

…

prog_iter.c

…

queue_stack_maps.c

…

relo_core.c

bpf: Remove custom build rule

2024-08-30 08:55:26 -07:00

reuseport_array.c

bpf: Use sockfd_put() helper

2024-08-30 08:57:47 -07:00

ringbuf.c

bpf: unify VM_WRITE vs VM_MAYWRITE use in BPF map mmaping logic

2025-02-27 04:30:18 -08:00

stackmap.c

bpf: wire up sleepable bpf_get_stack() and bpf_get_task_stack() helpers

2024-09-11 09:58:31 -07:00

syscall.c

bpf: Allow pre-ordering for bpf cgroup progs

2025-05-29 11:02:17 +02:00

sysfs_btf.c

…

task_iter.c

bpf: Fix iter/task tid filtering

2024-10-17 10:52:18 -07:00

tcx.c

…

tnum.c

…

token.c

bpf: convert bpf_token_create() to CLASS(fd, ...)

2024-09-12 18:58:02 -07:00

trampoline.c

bpf: Prevent tailcall infinite loop caused by freplace

2024-12-14 20:03:49 +01:00

verifier.c

bpf: abort verification if env->cur_state->loop_entry != NULL

2025-05-29 11:03:25 +02:00