syzbot


bpf subsystem


List(s): bpf@vger.kernel.org
Maintainer(s): andrii@kernel.org, ast@kernel.org, daniel@iogearbox.net
Fixed bugs: 265
Parent subsystem(s): kernel (86)
open (57):
Title Repro Cause bisect Fix bisect Count Last Reported Discussions
KASAN: slab-use-after-free Read in bq_xmit_all bpf net C done 6 1d03h 2d08h 💬 1 [28m]
general protection fault in __dev_flush net bpf 9 1d22h 2d09h
general protection fault in __cpu_map_flush bpf net 11 4h48m 2d16h
general protection fault in __xsk_map_flush bpf net C done 6 1d01h 5d12h
possible deadlock in console_flush_all (3) bpf trace C error 118 9h22m 7d15h PATCH [2d00h]
BUG: unable to handle kernel paging request in bpf_prog_ADDR (3) bpf net C done 6 8d07h 7d21h PATCH [3d08h]
KASAN: stack-out-of-bounds Read in xdp_do_check_flushed bpf net C done 28 3h17m 8d21h 💬 1 [3d13h]
stack segment fault in cpu_map_redirect bpf net C done 11 12d 11d
KMSAN: uninit-value in trie_lookup_elem (2) bpf 1 39d 35d
WARNING: locking bug in __pcpu_freelist_pop bpf 3 31d 37d
KMSAN: uninit-value in bstr_printf (2) bpf C 5 38d 38d
KMSAN: uninit-value in trie_delete_elem (2) bpf C 13 37d 39d
KMSAN: uninit-value in strnchr (2) bpf C 80 39d 41d
KMSAN: uninit-value in __bpf_strtoull (2) bpf C 69 37d 41d
possible deadlock in deactivate_slab bpf 1 48d 44d
possible deadlock in sk_psock_skb_ingress_enqueue bpf net 1 56d 52d
INFO: rcu detected stall in sys_bpf (9) bpf C error 22 9d06h 54d
possible deadlock in sock_map_update_common (2) net bpf C done 12 43d 54d
possible deadlock in __lock_task_sighand (3) bpf C done 72 1h02m 55d
general protection fault in dev_map_enqueue (2) bpf net C error 335 4d09h 55d PATCH [3d18h]
possible deadlock in get_partial_node bpf 15 12d 60d
INFO: rcu detected stall in sys_sendto (7) bpf C error 23 1d00h 60d
KMSAN: uninit-value in dev_map_hash_lookup_elem bpf net C 20 37d 63d
WARNING in bpf_map_lookup_percpu_elem bpf C done 1552 6h39m 82d
WARNING in group_send_sig_info bpf trace 1 88d 84d 💬 1 [82d]
KMSAN: uninit-value in htab_map_delete_elem bpf syz 3 85d 85d
possible deadlock in stack_depot_save_flags bpf 5 24d 86d
possible deadlock in __stack_map_get bpf C error 37 7h54m 93d 💬 2 [92d]
possible deadlock in queue_stack_map_push_elem bpf C error 43 1d16h 94d
WARNING in __xdp_reg_mem_model bpf net C done 110 12d 95d 💬 1 [6d02h]
KMSAN: uninit-value in htab_lru_percpu_map_lookup_percpu_elem bpf C 2 83d 95d PATCH [30d]
possible deadlock in sock_hash_update_common bpf net C error 38 45d 96d
possible deadlock in get_page_from_freelist bpf 13 25d 97d 💬 5 [62d]
KMSAN: uninit-value in htab_percpu_map_lookup_elem bpf C 6 76d 98d PATCH [37d]
possible deadlock in __queue_map_get bpf C error 144 13d 99d PATCH [65d]
KMSAN: uninit-value in sock_hash_delete_elem net bpf C 32 47d 99d PATCH [20d]
possible deadlock in sock_map_unref bpf net 9 65d 103d
BUG: unable to handle kernel NULL pointer dereference in dev_map_generic_redirect bpf net 20 4d20h 104d
WARNING in __schedule block bpf 4 99d 107d
INFO: rcu detected stall in sys_clone (8) bpf mm C error 39 1h00m 114d 💬 10 [18d]
possible deadlock in trie_update_elem bpf 84 9d07h 115d
INFO: rcu detected stall in kauditd_thread (4) audit bpf C error 12 15d 115d 💬 6 [112d]
possible deadlock in sk_psock_drop bpf net 56 40d 116d
possible deadlock in trie_delete_elem bpf C done 18449 now 123d PATCH [44d]
possible deadlock in sock_map_delete_elem bpf net C error done 869 40d 124d
UBSAN: array-index-out-of-bounds in bpf_prog_select_runtime bpf C done 5 18d 128d PATCH [75d]
possible deadlock in __bpf_ringbuf_reserve bpf C error 964 1h53m 130d 💬 6 [6d02h]
KASAN: slab-out-of-bounds Read in btf_datasec_check_meta bpf C done 11256 15m 132d PATCH [131d]
KMSAN: uninit-value in bpf_prog_test_run_xdp bpf net C 4 70d 133d
KMSAN: uninit-value in ___bpf_prog_run (4) bpf C 168 3h49m 207d
INFO: rcu detected stall in ip_list_rcv (6) netfilter bpf C done 25 2d02h 230d 💬 5 [218d]
WARNING in format_decode (3) bpf trace C done 982 2h19m 242d PATCH [236d]
inconsistent lock state in __lock_task_sighand bpf trace C done 752 244d 248d
INFO: rcu detected stall in sys_unshare (9) bpf C inconclusive 6 24d 253d 💬 1 [132d]
BUG: unable to handle kernel NULL pointer dereference in sk_msg_recvmsg bpf net C 108 10d 268d 💬 1 [6d02h]
possible deadlock in task_fork_fair bpf C done 8786 8h18m 287d 💬 1 [6d02h]
INFO: rcu detected stall in watchdog bpf usb C error 3 19d 702d
moderation (8):
Title Repro Cause bisect Fix bisect Count Last Reported Discussions
KASAN: slab-use-after-free Read in cpu_map_enqueue bpf net 2 9d21h 7d02h
general protection fault in bq_flush_to_queue bpf net 3 1d20h 7d12h
BUG: corrupted list in __bpf_lru_node_move bpf 1 32d 28d
KASAN: slab-use-after-free Read in sk_psock_verdict_data_ready bpf net 1 49d 45d
general protection fault in drain_mem_cache bpf 1 61d 57d
BUG: corrupted list in bpf_lru_push_free bpf 1 61d 57d
general protection fault in get_memcg bpf 2 25d 62d
KCSAN: data-race in pcpu_alloc / pcpu_block_update_hint_alloc netfilter bpf syz 1228 64d 1718d