syzbot: bpf subsystem

bpf subsystem

List(s): bpf@vger.kernel.org
Maintainer(s): andrii@kernel.org, ast@kernel.org, daniel@iogearbox.net
Fixed bugs: 329
Parent subsystem(s): kernel (101)

Title	Rank 🛈	Repro	Cause bisect	Fix bisect	Count	Last	Reported	Discussions
KCSAN: data-race in bpf_obj_memcpy / bpf_obj_memcpy prio:low bpf	6				1	30d	30d	💬 1 [30d]
KASAN: slab-use-after-free Read in __sk_msg_recvmsg net bpf prio:normal	19	C	error		12	4d18h	49d	PATCH [48d]
KASAN: slab-use-after-free Read in bpf_trace_run4 (2) trace bpf prio:normal	19				1	70d	62d	💬 1 [61d]
KASAN: slab-use-after-free Read in bpf_trace_run9 trace bpf prio:normal	19	C			6	82d	78d	PATCH [76d]
KASAN: slab-use-after-free Read in bpf_trace_run3 (2) trace bpf	19	C			8	49d	83d	💬 5 [40d]
KASAN: slab-use-after-free Read in bpf_trace_run2 (3) bpf trace prio:normal	19	syz			95	47d	88d
KASAN: slab-use-after-free Read in sk_msg_recvmsg bpf net	19	C	error	error	3	99d	94d	💬 11 [76d]
INFO: rcu detected stall in vma_merge_new_range (3) bpf mm prio:low	1	syz	error	error	2	30d	114d
general protection fault in bpf_get_local_storage (2) bpf	2	C			3	130d	141d	💬 4 [4d19h]
INFO: rcu detected stall in watchdog (2) bpf trace	1	C	error	error	4	2d09h	148d	💬 3 [133d]
inconsistent lock state in bpf_lru_push_free bpf	4	C	error		269	5h37m	149d
KMSAN: uninit-value in handle_bug bpf prio:low	7	C			310	43d	165d	💬 1 [40d]
possible deadlock in bpf_lru_push_free (2) bpf prio:low	4	C	error	inconclusive	1	74d	188d	💬 3 [72d]
KASAN: stack-out-of-bounds Write in __bpf_get_stack bpf	21	C	done	error	7	108d	191d	PATCH [127d]
INFO: rcu detected stall in task_work_add bpf	1	syz	error	error	5	62d	275d
possible deadlock in down_trylock (3) bpf trace	4	C	error		2	65d	289d	💬 2 [196d]
INFO: rcu detected stall in task_numa_work (2) bpf mm	1	C	error	error	25	7h22m	501d
possible deadlock in __lock_task_sighand (3) bpf	4	C	done	inconclusive	112	660d	723d
possible deadlock in sock_map_delete_elem bpf net	4	C	error	done	869	708d	793d

Title	Rank 🛈	Repro	Cause bisect	Fix bisect	Count	Last	Reported	Discussions
KCSAN: data-race in bq_flush_to_queue / cpu_map_kthread_run (2) net bpf	6				463	35d	138d