syzbot: bpf subsystem

bpf subsystem

List(s): bpf@vger.kernel.org
Maintainer(s): andrii@kernel.org, ast@kernel.org, daniel@iogearbox.net
Fixed bugs: 318
Parent subsystem(s): kernel (92)

open (21):
Title	Rank 🛈	Repro	Cause bisect	Fix bisect	Count	Last	Reported	Discussions
KMSAN: uninit-value in handle_bug bpf	7				9	2d03h	20m
linux-next test error: WARNING: kmalloc bug in bpf_prog_alloc_no_stats bpf	-1				2	18d	14d
WARNING: kmalloc bug in bpf_prog_alloc_no_stats bpf	-1				2	19d	16d	PATCH [11d]
possible deadlock in bpf_lru_push_free (2) bpf	4	C	error		1	9d08h	23d	💬 3 [5h26m]
KASAN: stack-out-of-bounds Write in __bpf_get_stack bpf	23	C	done		3	13d	25d	PATCH [23d]
BUG: stack guard page was hit in br_handle_frame bpf trace	-1				1	59d	54d
WARNING in sock_map_delete_elem (2) bpf net	-1				1	60d	56d	💬 1 [55d]
possible deadlock in xdp_umem_pin_pages bpf net mm	4				2	72d	72d
WARNING in reg_bounds_sanity_check (2) bpf	-1	C	done		11074	5h14m	92d	PATCH [38d]
WARNING in sock_hash_delete_elem (2) net bpf	-1				5	56d	93d
INFO: rcu detected stall in task_work_add bpf	1	syz	error		4	6d02h	110d
general protection fault in __pcpu_freelist_pop bpf	2	C	done	error	36	70d	110d
possible deadlock in down_trylock (3) bpf trace	4	C	error		2	40d	123d	💬 2 [31d]
WARNING in trace_suspend_resume bpf	-1	C			1597	1d15h	127d	💬 1 [5h26m]
INFO: task hung in dev_map_free (3) bpf net	1				100	17d	146d
KCSAN: data-race in __htab_map_lookup_elem / bpf_lru_pop_free bpf	6				26	3h12m	179d	PATCH [142d]
INFO: rcu detected stall in task_numa_work (2) bpf mm	1	C	error	error	21	30d	336d
possible deadlock in __lock_task_sighand (3) bpf	4	C	done	inconclusive	112	495d	558d
KMSAN: uninit-value in dev_map_hash_lookup_elem bpf net	7	C			20	540d	566d
possible deadlock in __stack_map_get bpf	4	C	error	error	56	243d	596d	💬 2 [257d]
possible deadlock in sock_map_delete_elem bpf net	4	C	error	done	869	543d	627d

moderation (6):
Title	Rank 🛈	Repro	Count	Last	Reported
KCSAN: data-race in bcmp / parse_build_id bpf	6		4	21d	68d
KCSAN: data-race in bcmp / stack_map_get_build_id_offset bpf	6		5	12d	75d
BUG: soft lockup in sys_bind can bpf trace	1		2	78d	160d
KCSAN: data-race in __bpf_get_stackid / __bpf_get_stackid bpf	6		38	3d19h	165d
KCSAN: data-race in __bpf_get_stackid / bcmp bpf	6		134	3h12m	171d
KCSAN: data-race in pcpu_alloc_noprof / pcpu_block_update_hint_alloc netfilter bpf	6	syz	198	379d	565d