syzbot: bpf subsystem

bpf subsystem

List(s): bpf@vger.kernel.org
Maintainer(s): andrii@kernel.org, ast@kernel.org, daniel@iogearbox.net
Fixed bugs: 325
Parent subsystem(s): kernel (91)

Title	Rank 🛈	Repro	Cause bisect	Fix bisect	Count	Last	Reported	Discussions
KASAN: slab-use-after-free Read in bpf_trace_run4 (2) bpf trace	19				1	10d	2d16h	💬 1 [2d07h]
KASAN: slab-use-after-free Read in bpf_trace_run9 bpf trace	19	C			6	22d	18d	PATCH [17d]
KASAN: slab-use-after-free Read in bpf_trace_run3 (2) bpf trace	19	C			6	7d17h	23d	💬 5 [2d07h]
KASAN: slab-use-after-free Read in bpf_trace_run2 (3) trace bpf	19	syz			67	12h16m	29d
KCSAN: data-race in __udp_enqueue_schedule_skb / sk_psock_drop race:harmful net bpf	6				1	44d	34d	💬 6 [16d]
KASAN: slab-use-after-free Read in sk_msg_recvmsg net bpf	19	C	error	error	3	39d	34d	💬 11 [16d]
INFO: rcu detected stall in vma_merge_new_range (3) bpf	1	syz	error	error	1	56d	54d
KMSAN: uninit-value in bpf_prog_test_run_skb bpf	7	C			4	12h41m	81d	PATCH [54d]
general protection fault in bpf_get_local_storage (2) bpf	2	C			3	71d	81d	💬 3 [81d]
INFO: rcu detected stall in watchdog (2) bpf trace	1	C	error	error	2	10d	89d	💬 3 [73d]
inconsistent lock state in bpf_lru_push_free bpf	4	C	error		251	1d05h	89d
INFO: rcu detected stall in unwind_get_return_address (2) bpf	1	syz	error	error	1	99d	95d
KMSAN: uninit-value in handle_bug bpf	7	C			258	2d00h	105d	💬 1 [1d16h]
possible deadlock in bpf_lru_push_free (2) bpf	4	C	error	inconclusive	1	14d	129d	💬 3 [12d]
KASAN: stack-out-of-bounds Write in __bpf_get_stack bpf	21	C	done	error	7	49d	131d	PATCH [67d]
WARNING in reg_bounds_sanity_check (2) bpf	-1	C	done		19736	8h26m	197d	PATCH [1d17h]
INFO: rcu detected stall in task_work_add bpf	1	syz	error	error	5	2d20h	215d
possible deadlock in down_trylock (3) bpf trace	4	C	error		2	6d05h	229d	💬 2 [137d]
WARNING in trace_suspend_resume bpf	-1	C			2465	6h24m	233d	💬 1 [12d]
INFO: task hung in dev_map_free (3) net bpf	1				106	11d	251d
INFO: rcu detected stall in task_numa_work (2) bpf mm	1	C	error	error	23	9d21h	442d
possible deadlock in __lock_task_sighand (3) bpf	4	C	done	inconclusive	112	601d	664d
KMSAN: uninit-value in dev_map_hash_lookup_elem bpf net	7	C			20	646d	672d
possible deadlock in __stack_map_get bpf	4	C	error	error	56	349d	702d	💬 2 [363d]
possible deadlock in sock_map_delete_elem net bpf	4	C	error	done	869	649d	733d

Title	Rank 🛈	Repro	Count	Last	Reported
KCSAN: data-race in __bpf_lru_list_rotate / bpf_lru_push_free (3) bpf	6		2	30d	48d
KCSAN: data-race in bq_flush_to_queue / cpu_map_kthread_run (2) net bpf	6		427	9h37m	78d
KCSAN: data-race in pcpu_alloc_noprof / pcpu_block_update_hint_alloc netfilter bpf	6	syz	198	485d	671d