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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: 278
Parent subsystem(s): kernel (72)
open (44):
Title Repro Cause bisect Fix bisect Count Last Reported Discussions
KASAN: slab-use-after-free Read in sk_psock_verdict_data_ready (2) bpf net 1 11d 7d15h
possible deadlock in work_grab_pending (2) bpf 1 18d 14d
WARNING: locking bug in bpf_map_put bpf C done 139 1h11m 19d 💬 5 [16d]
WARNING: locking bug in trie_delete_elem bpf C done 3000 1h40m 20d PATCH [4d05h]
KASAN: slab-out-of-bounds Read in bpf_inode_storage_free bpf 2 35d 32d
possible deadlock in debug_check_no_obj_freed bpf 1 37d 33d 💬 3 [7d19h]
KASAN: slab-use-after-free Read in page_pool_put_unrefed_netmem bpf net 1 42d 38d
WARNING in acquire_reference_state bpf C done 9 48d 45d
KFENCE: memory corruption in pskb_expand_head bpf net C done 5 44d 46d 💬 1 [46d]
possible deadlock in __put_partials bpf 1 51d 47d 💬 3 [7d19h]
BUG: MAX_STACK_TRACE_ENTRIES too low! (4) bpf syz done 5 3d07h 55d
possible deadlock in __mod_timer (4) bpf trace C 4 48d 59d 💬 6 [36d]
possible deadlock in htab_map_delete_elem bpf C 3 60d 70d
KASAN: slab-use-after-free Read in sk_filter_trim_cap bpf net 2 18d 77d
WARNING in sock_map_destroy bpf net C error 6 18d 85d PATCH [54d]
BUG: unable to handle kernel NULL pointer dereference in tcp_bpf_sendmsg bpf net 2 88d 85d
WARNING in bpf_get_stack_raw_tp bpf trace C error 63 2d06h 86d 💬 6 [36d]
INFO: rcu detected stall in kcov_close bpf mm 64 2d07h 100d
possible deadlock in htab_lock_bucket (2) bpf C error 4 10d 107d
INFO: rcu detected stall in sys_bpf (9) bpf C error 60 1h33m 176d
possible deadlock in __lock_task_sighand (3) bpf C done inconclusive 112 114d 178d
possible deadlock in get_partial_node bpf 19 36d 182d PATCH [3d05h]
KMSAN: uninit-value in dev_map_hash_lookup_elem bpf net C 20 160d 186d
INFO: rcu detected stall in handle_softirqs bpf virt wireguard C done 33 10d 193d 💬 1 [193d]
WARNING in bpf_map_lookup_percpu_elem bpf C done 2116 19d 205d
possible deadlock in stack_depot_save_flags bpf 7 58d 209d 💬 3 [7d19h]
INFO: rcu detected stall in sys_close (7) bpf kernfs C error 5 30d 216d
possible deadlock in __stack_map_get bpf C error 49 13d 216d 💬 2 [36d]
possible deadlock in queue_stack_map_push_elem bpf C error 57 13h23m 217d
possible deadlock in get_page_from_freelist bpf 17 57d 220d 💬 8 [7d19h]
possible deadlock in __queue_map_get bpf C error 162 10d 222d PATCH [188d]
INFO: rcu detected stall in sys_clone (8) bpf mm C error 143 14h36m 237d 💬 10 [67d]
possible deadlock in trie_update_elem bpf 137 16d 238d 💬 3 [7d19h]
INFO: rcu detected stall in kauditd_thread (4) audit bpf C error 18 14d 238d 💬 6 [234d]
possible deadlock in trie_delete_elem bpf C done 21023 3h29m 245d PATCH [166d]
possible deadlock in sock_map_delete_elem bpf net C error done 869 163d 247d
UBSAN: array-index-out-of-bounds in bpf_prog_select_runtime bpf C done 20 9h43m 251d PATCH [198d]
possible deadlock in __bpf_ringbuf_reserve bpf C error 1704 8m 253d 💬 6 [36d]
KASAN: slab-out-of-bounds Read in btf_datasec_check_meta bpf C done 16010 60d 254d PATCH [254d]
KMSAN: uninit-value in ___bpf_prog_run (4) bpf C 264 3d20h 330d
WARNING in format_decode (3) bpf trace C done 1226 3d05h 365d PATCH [1d20h]
INFO: rcu detected stall in sys_unshare (9) bpf net C inconclusive 15 2d19h 376d 💬 1 [254d]
possible deadlock in task_fork_fair bpf trace C done 9106 27d 410d 💬 1 [67d]
INFO: rcu detected stall in watchdog bpf usb C error 7 15d 825d
moderation (5):
Title Repro Cause bisect Fix bisect Count Last Reported Discussions
KCSAN: data-race in bpf_lru_pop_free / htab_lru_percpu_map_lookup_percpu_elem (2) bpf 1 10d 10d
KCSAN: data-race in __queue_delayed_work / kvfree_call_rcu kernfs bpf 3 34d 50d
general protection fault in drain_mem_cache (2) bpf 1 75d 71d
KCSAN: data-race in pcpu_alloc_noprof / pcpu_block_update_hint_alloc netfilter bpf syz 197 5h14m 185d
KCSAN: data-race in pcpu_alloc / pcpu_block_update_hint_alloc netfilter bpf syz 1228 187d 1841d