syzbot: bpf subsystem

bpf subsystem

List(s): bpf@vger.kernel.org
Maintainer(s): andrii@kernel.org, ast@kernel.org, daniel@iogearbox.net
Fixed bugs: 315
Parent subsystem(s): kernel (83)

open (21):
Title	Rank 🛈	Repro	Cause bisect	Fix bisect	Count	Last	Reported	Discussions
WARNING in bpf_bprintf_prepare (3) bpf	-1	C	done		3	4d20h	14d	💬 13 [21h06m]
BUG: stack guard page was hit in br_handle_frame bpf trace	-1				1	26d	21d
WARNING in sock_map_delete_elem (2) bpf net	-1				1	28d	24d	💬 1 [23d]
KASAN: invalid-access Write in do_bad_area bpf	-1	C			10732	12h11m	29d	💬 1 [27d]
possible deadlock in xdp_umem_pin_pages mm bpf net	4				2	40d	39d
WARNING in reg_bounds_sanity_check (2) bpf	-1	C	done		7129	1h04m	59d	PATCH [6d08h]
WARNING in sock_hash_delete_elem (2) bpf net	-1				5	23d	61d
possible deadlock in __bpf_ringbuf_reserve (2) bpf	4	C	done	error	22	55d	70d	💬 3 [63d]
INFO: rcu detected stall in task_work_add bpf	1	syz	error		3	14d	77d
general protection fault in __pcpu_freelist_pop bpf	2	C	done		36	37d	77d
possible deadlock in down_trylock (3) trace bpf	4	C	error		2	7d23h	91d	💬 2 [90d]
INFO: task hung in dev_map_free (3) bpf net	1				97	10d	113d
KCSAN: data-race in __htab_map_lookup_elem / bpf_lru_pop_free bpf	6				21	3d15h	146d	PATCH [110d]
INFO: rcu detected stall in vm_area_alloc (6) mm bpf	1	syz	error		5	3d20h	157d
KASAN: slab-use-after-free Read in sk_psock_verdict_data_ready (3) bpf net	19				5	78d	195d	💬 1 [195d]
INFO: rcu detected stall in task_numa_work (2) mm bpf	1	C	error	error	20	16d	303d
possible deadlock in __lock_task_sighand (3) bpf	4	C	done	inconclusive	112	462d	525d
KMSAN: uninit-value in dev_map_hash_lookup_elem bpf net	7	C			20	508d	534d
INFO: rcu detected stall in sys_close (7) fs bpf	1	C	error		12	5d07h	564d
possible deadlock in __stack_map_get bpf	4	C	error	error	56	211d	564d	💬 2 [225d]
possible deadlock in sock_map_delete_elem bpf net	4	C	error	done	869	510d	595d

moderation (7):
Title	Rank 🛈	Repro	Count	Last	Reported
KCSAN: data-race in bcmp / parse_build_id bpf	6		2	4d17h	36d
KCSAN: data-race in bcmp / stack_map_get_build_id_offset bpf	6		2	35d	42d
KCSAN: data-race in memcpy_and_pad / prepare_signal trace bpf	6		2	43d	43d
BUG: soft lockup in sys_bind can bpf trace	1		2	46d	127d
KCSAN: data-race in __bpf_get_stackid / __bpf_get_stackid bpf	6		32	3d16h	133d
KCSAN: data-race in __bpf_get_stackid / bcmp bpf	6		108	2d19h	138d
KCSAN: data-race in pcpu_alloc_noprof / pcpu_block_update_hint_alloc netfilter bpf	6	syz	198	346d	533d