syzbot: bpf subsystem

bpf subsystem

List(s): bpf@vger.kernel.org
Maintainer(s): andrii@kernel.org, ast@kernel.org, daniel@iogearbox.net
Fixed bugs: 282
Parent subsystem(s): kernel (94)

open (38):
Title	Repro	Cause bisect	Fix bisect	Count	Last	Reported	Discussions
possible deadlock in bpf_map_mmap bpf				1	4d19h	19h06m
WARNING: held lock freed in process_one_work bpf				1	23d	18d	💬 1 [16d]
possible deadlock in htab_lru_map_delete_elem bpf	C			1	33d	45d	💬 1 [45d]
WARNING: locking bug in emon mm bpf				2	54d	50d
KASAN: slab-use-after-free Read in sk_psock_verdict_data_ready (2) bpf net				2	43d	68d
possible deadlock in work_grab_pending (2) bpf				1	79d	75d
WARNING: locking bug in bpf_map_put bpf	C	done		150	60d	80d	💬 5 [76d]
WARNING: locking bug in trie_delete_elem bpf	C	done		23132	38d	81d	PATCH [64d]
KASAN: slab-out-of-bounds Read in bpf_inode_storage_free bpf				4	10d	93d
possible deadlock in debug_check_no_obj_freed bpf				1	98d	94d	💬 3 [68d]
BUG: MAX_STACK_TRACE_ENTRIES too low! (4) bpf	C	done		23	2d01h	115d
possible deadlock in __mod_timer (4) bpf trace	C			4	26d	120d	💬 6 [97d]
possible deadlock in htab_map_delete_elem bpf	C			3	51d	131d
KASAN: slab-use-after-free Read in sk_filter_trim_cap bpf net				3	47d	138d
WARNING in sock_map_destroy bpf net	C	error	inconclusive	6	78d	146d	PATCH [115d]
WARNING in bpf_get_stack_raw_tp bpf trace	C	error		94	1d08h	147d	💬 6 [7d10h]
possible deadlock in htab_lock_bucket (2) bpf	C	error		6	12d	168d
INFO: rcu detected stall in sys_bpf (9) bpf	C	error		72	3d05h	237d
possible deadlock in __lock_task_sighand (3) bpf	C	done	inconclusive	112	175d	238d
possible deadlock in get_partial_node bpf				19	96d	243d	PATCH [45d]
KMSAN: uninit-value in dev_map_hash_lookup_elem bpf net	C			20	220d	247d
WARNING in bpf_map_lookup_percpu_elem bpf	C	done		2116	3d04h	266d
INFO: rcu detected stall in sys_close (7) bpf	C	error		8	20d	276d
possible deadlock in __stack_map_get bpf	C	error		50	5d21h	277d	💬 2 [97d]
possible deadlock in queue_stack_map_push_elem bpf	C	error		62	1d11h	278d
possible deadlock in get_page_from_freelist bpf				18	60d	280d	💬 8 [68d]
possible deadlock in __queue_map_get bpf	C	error		169	6d18h	282d	PATCH [248d]
INFO: rcu detected stall in sys_clone (8) mm bpf	C	error		224	16h11m	297d	💬 10 [14h59m]
INFO: rcu detected stall in kauditd_thread (4) audit net bpf	C	error		23	8d09h	299d	💬 6 [295d]
possible deadlock in trie_delete_elem bpf	C	done		21432	4d17h	306d	PATCH [227d]
possible deadlock in sock_map_delete_elem bpf net	C	error	done	869	223d	308d
UBSAN: array-index-out-of-bounds in bpf_prog_select_runtime bpf	C	done		417	22h52m	312d	PATCH [258d]
possible deadlock in __bpf_ringbuf_reserve bpf	C	error		1747	1d07h	314d	💬 6 [14h59m]
KMSAN: uninit-value in ___bpf_prog_run (4) bpf	C			318	4d06h	391d
INFO: rcu detected stall in ip_list_rcv (6) bpf virt netfilter	C	done	done	39	43d	413d	💬 5 [38d]
WARNING in format_decode (3) bpf trace	C	done		1435	2d02h	426d	PATCH [62d]
INFO: rcu detected stall in sys_unshare (9) bpf	C	inconclusive		28	5d14h	436d	💬 1 [315d]
possible deadlock in task_fork_fair bpf trace	C	done	done	9106	57d	470d	💬 1 [26d]

moderation (2):
Title	Repro	Cause bisect	Fix bisect	Count	Last	Reported	Discussions
KCSAN: data-race in pcpu_alloc_noprof / pcpu_block_update_hint_alloc netfilter bpf	syz			198	59d	246d
KCSAN: data-race in pcpu_alloc / pcpu_block_update_hint_alloc netfilter bpf	syz			1228	247d	1901d