syzbot: bpf subsystem

bpf subsystem

List(s): bpf@vger.kernel.org
Maintainer(s): andrii@kernel.org, ast@kernel.org, daniel@iogearbox.net
Fixed bugs: 311
Parent subsystem(s): kernel (93)

open (24):
Title	Rank 🛈	Repro	Cause bisect	Fix bisect	Count	Last	Reported	Discussions
KASAN: invalid-access Write in do_bad_area bpf	-1	C			2915	7h56m	4d07h	💬 1 [1d22h]
possible deadlock in xdp_umem_pin_pages bpf net	4				2	15d	14d
WARNING in reg_bounds_sanity_check (2) bpf	-1	C	done		4342	11m	34d	PATCH [23d]
WARNING in sock_hash_delete_elem (2) net bpf	-1				4	3d08h	36d
BUG: sleeping function called from invalid context in sock_map_delete_elem bpf net	5	C	error		54	1d23h	42d	PATCH [2d12h]
possible deadlock in __bpf_ringbuf_reserve (2) bpf	4	C	done		22	30d	44d	💬 3 [37d]
INFO: rcu detected stall in task_work_add bpf	1	syz	error		2	56d	52d
general protection fault in __pcpu_freelist_pop bpf	2	C	done		36	12d	52d
possible deadlock in down_trylock (3) trace bpf	4	C	error		2	67d	66d	💬 2 [65d]
WARNING in trace_suspend_resume bpf	-1	C			1019	6m	70d	💬 1 [2d23h]
KASAN: slab-out-of-bounds Write in __bpf_get_stackid bpf	23	C	error		168	18h54m	72d	PATCH [16d]
INFO: task hung in dev_map_free (3) bpf net	1				94	9d12h	88d
KASAN: invalid-free in drain_mem_cache bpf	22				1	97d	93d
KCSAN: data-race in __htab_map_lookup_elem / bpf_lru_pop_free bpf	6				18	5d17h	121d	PATCH [84d]
INFO: rcu detected stall in vm_area_alloc (6) bpf mm	1	syz	error		4	61d	132d
KASAN: slab-use-after-free Read in sk_psock_verdict_data_ready (3) bpf net	19				5	52d	170d	💬 1 [170d]
INFO: rcu detected stall in task_numa_work (2) mm bpf	1	C	error	error	18	67d	278d
possible deadlock in __lock_task_sighand (3) bpf	4	C	done	inconclusive	112	437d	500d
KMSAN: uninit-value in dev_map_hash_lookup_elem bpf net	7	C			20	482d	508d
INFO: rcu detected stall in sys_close (7) fs bpf	1	C	error		10	148d	538d
possible deadlock in __stack_map_get bpf	4	C	error	error	56	185d	538d	💬 2 [199d]
possible deadlock in sock_map_delete_elem net bpf	4	C	error	done	869	485d	570d
possible deadlock in task_fork_fair bpf trace	4	C	done	done	9106	319d	732d	💬 1 [288d]
INFO: rcu detected stall in watchdog bpf	1	C	error		14	25d	1147d

moderation (7):
Title	Rank 🛈	Repro	Count	Last	Reported
KCSAN: data-race in bcmp / parse_build_id bpf	6		1	11d	11d
KCSAN: data-race in bcmp / stack_map_get_build_id_offset bpf	6		2	10d	17d
KCSAN: data-race in memcpy_and_pad / prepare_signal trace bpf	6		2	17d	18d
BUG: soft lockup in sys_bind bpf can trace	1		2	20d	102d
KCSAN: data-race in __bpf_get_stackid / __bpf_get_stackid bpf	6		26	4d21h	107d
KCSAN: data-race in __bpf_get_stackid / bcmp bpf	6		85	20h41m	113d
KCSAN: data-race in pcpu_alloc_noprof / pcpu_block_update_hint_alloc netfilter bpf	6	syz	198	321d	507d