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 (96)

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	35d	34d	💬 1 [34d]
KASAN: slab-use-after-free Read in __sk_msg_recvmsg prio:normal net bpf	19	C	error		12	9d05h	53d	PATCH [3d18h]
KASAN: slab-use-after-free Read in bpf_trace_run4 (2) trace bpf prio:normal	19				1	74d	66d	💬 1 [66d]
KASAN: slab-use-after-free Read in bpf_trace_run9 trace bpf prio:normal	19	C			6	86d	82d	PATCH [81d]
KASAN: slab-use-after-free Read in bpf_trace_run3 (2) bpf trace	19	C			8	54d	87d	💬 5 [45d]
KASAN: slab-use-after-free Read in bpf_trace_run2 (3) prio:normal bpf trace	19	syz			95	52d	93d
KASAN: slab-use-after-free Read in sk_msg_recvmsg bpf net	19	C	error	error	3	103d	98d	💬 11 [80d]
INFO: rcu detected stall in vma_merge_new_range (3) prio:low mm bpf	1	syz	error	error	2	34d	118d
general protection fault in bpf_get_local_storage (2) bpf	2	C			3	135d	145d	💬 4 [9d06h]
INFO: rcu detected stall in watchdog (2) bpf trace	1	C	error	error	4	6d19h	153d	💬 3 [137d]
inconsistent lock state in bpf_lru_push_free bpf prio:low	4	C	error		282	3h02m	153d
KMSAN: uninit-value in handle_bug bpf prio:low	7	C			310	48d	169d	💬 1 [45d]
possible deadlock in bpf_lru_push_free (2) prio:low bpf	4	C	error	inconclusive	1	79d	193d	💬 3 [76d]
KASAN: stack-out-of-bounds Write in __bpf_get_stack prio:normal bpf	21	C	done	error	7	113d	195d	PATCH [131d]
INFO: rcu detected stall in task_work_add bpf	1	syz	error	error	5	66d	279d
possible deadlock in down_trylock (3) bpf trace prio:low	4	C	error		2	70d	293d	💬 2 [201d]
INFO: rcu detected stall in task_numa_work (2) bpf mm	1	C	error	error	25	4d17h	506d
possible deadlock in __lock_task_sighand (3) bpf	4	C	done	inconclusive	112	665d	728d
possible deadlock in sock_map_delete_elem net bpf	4	C	error	done	869	713d	797d

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	40d	142d