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bpf subsystem


List(s): bpf@vger.kernel.org
Maintainer(s): andrii@kernel.org, ast@kernel.org, daniel@iogearbox.net
Fixed bugs: 249
Parent subsystem(s): kernel (71)
open (43):
Title Repro Cause bisect Fix bisect Count Last Reported Discussions
general protection fault in bpf_get_attach_cookie_tracing bpf trace C error 2 23h46m 20h22m
KASAN: slab-use-after-free Read in htab_map_alloc (2) bpf 222 3d06h 2d02h
WARNING in bpf_map_lookup_percpu_elem bpf C done 181 26m 6d16h
WARNING in group_send_sig_info bpf trace 1 12d 8d20h 💬 1 [6d18h]
KMSAN: uninit-value in htab_map_delete_elem bpf syz 3 9d02h 9d04h
possible deadlock in stack_depot_save_flags bpf 3 3d07h 10d
WARNING in skb_ensure_writable bpf net C done 1557 1h22m 13d 💬 2 [13d]
possible deadlock in __stack_map_get bpf C error 7 2d08h 17d 💬 2 [16d]
possible deadlock in queue_stack_map_push_elem bpf C error 17 3h12m 18d
possible deadlock in __send_signal_locked bpf trace 14 5d03h 19d
WARNING in __xdp_reg_mem_model bpf net C done 41 2h24m 19d
KMSAN: uninit-value in htab_lru_percpu_map_lookup_percpu_elem bpf C 2 6d23h 19d
possible deadlock in sock_hash_update_common bpf net 16 6h39m 20d
possible deadlock in get_page_from_freelist bpf 3 21d 21d
KMSAN: uninit-value in htab_percpu_map_lookup_elem bpf C 6 6h37m 22d
possible deadlock in __sock_map_delete bpf net C 12 2d13h 22d
possible deadlock in __queue_map_get bpf C error 47 1d12h 23d PATCH [2d00h]
KMSAN: uninit-value in sock_hash_delete_elem bpf net C 5 1d20h 23d
WARNING in sock_map_close bpf net C 66 7m 27d
possible deadlock in sock_map_unref bpf net 7 1d06h 27d
BUG: unable to handle kernel NULL pointer dereference in dev_map_generic_redirect bpf net 7 25d 28d
BUG: unable to handle kernel paging request in jhash bpf C 14 10d 29d
KASAN: stack-out-of-bounds Read in hash bpf C 5 22d 29d 💬 3 [28d]
WARNING in __schedule block bpf 4 23d 31d
possible deadlock in trie_update_elem bpf 30 4h00m 39d
INFO: rcu detected stall in kauditd_thread (4) audit bpf C 5 10d 39d 💬 6 [36d]
possible deadlock in sk_psock_drop bpf net 19 13h15m 40d
general protection fault in bpf_check (2) bpf C done 7 33d 44d 💬 1 [43d]
possible deadlock in trie_delete_elem bpf C done 15033 21m 47d 💬 1 [25d]
possible deadlock in sock_hash_delete_elem (2) net bpf C 660 38m 47d 💬 2 [9d03h]
WARNING in __sock_map_delete bpf net C 34 31d 48d
possible deadlock in sock_map_delete_elem bpf net C 353 1h05m 48d
UBSAN: array-index-out-of-bounds in bpf_prog_select_runtime bpf C done 5 12d 52d PATCH [13h17m]
possible deadlock in __bpf_ringbuf_reserve bpf C error 11 1d00h 54d 💬 6 [54d]
KASAN: slab-out-of-bounds Read in btf_datasec_check_meta bpf C done 6304 8m 56d PATCH [55d]
KMSAN: uninit-value in bpf_prog_test_run_xdp bpf net C 2 43d 57d
KMSAN: uninit-value in ___bpf_prog_run (4) bpf C 130 10h01m 131d
WARNING in format_decode (3) bpf trace C done 532 21h25m 166d PATCH [160d]
inconsistent lock state in __lock_task_sighand bpf trace C done 752 168d 172d
INFO: rcu detected stall in sys_unshare (9) bpf C inconclusive 3 63d 177d 💬 1 [56d]
BUG: unable to handle kernel NULL pointer dereference in sk_msg_recvmsg net bpf C 67 1d19h 192d 💬 1 [20d]
possible deadlock in task_fork_fair bpf C done 8618 5h41m 211d 💬 1 [25d]
possible deadlock in console_flush_all (2) trace bpf C error 52456 13m 211d 💬 14 [39d]
moderation (2):
Title Repro Cause bisect Fix bisect Count Last Reported Discussions
KCSAN: data-race in bpf_lru_pop_free / htab_lru_percpu_map_lookup_elem bpf 1 4h52m 4h51m
KCSAN: data-race in bpf_lru_pop_free / htab_lru_percpu_map_lookup_percpu_elem bpf 1 24d 24d