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 (23):
Title	Rank 🛈	Repro	Cause bisect	Fix bisect	Count	Last	Reported	Discussions
general protection fault in bq_flush_to_queue (2) net bpf	2	C	error		6	3d05h	9h35m
KASAN: slab-use-after-free Write in defer_free bpf	24	C			76	11h32m	9h35m
KMSAN: uninit-value in handle_bug bpf	7				12	10h32m	2d04h
linux-next test error: WARNING: kmalloc bug in bpf_prog_alloc_no_stats bpf	-1				2	20d	16d
WARNING: kmalloc bug in bpf_prog_alloc_no_stats bpf	-1				2	21d	18d	PATCH [13d]
possible deadlock in bpf_lru_push_free (2) bpf	4	C	error		1	11d	25d	💬 3 [2d09h]
KASAN: stack-out-of-bounds Write in __bpf_get_stack bpf	23	C	done		3	15d	27d	PATCH [25d]
BUG: stack guard page was hit in br_handle_frame bpf trace	-1				1	61d	56d
WARNING in sock_map_delete_elem (2) bpf net	-1				1	63d	59d	💬 1 [57d]
possible deadlock in xdp_umem_pin_pages bpf net mm	4				2	75d	74d
WARNING in reg_bounds_sanity_check (2) bpf	-1	C	done		11098	3h57m	94d	PATCH [41d]
WARNING in sock_hash_delete_elem (2) net bpf	-1				5	58d	96d
INFO: rcu detected stall in task_work_add bpf	1	syz	error		4	8d06h	112d
general protection fault in __pcpu_freelist_pop bpf	2	C	done	error	36	72d	112d
possible deadlock in down_trylock (3) bpf trace	4	C	error		2	42d	126d	💬 2 [33d]
WARNING in trace_suspend_resume bpf	-1	C			1597	3d18h	130d	💬 1 [2d09h]
INFO: task hung in dev_map_free (3) bpf net	1				100	19d	148d
KCSAN: data-race in __htab_map_lookup_elem / bpf_lru_pop_free bpf	6				26	2d06h	181d	PATCH [144d]
INFO: rcu detected stall in task_numa_work (2) bpf mm	1	C	error	error	21	33d	338d
possible deadlock in __lock_task_sighand (3) bpf	4	C	done	inconclusive	112	497d	560d
KMSAN: uninit-value in dev_map_hash_lookup_elem bpf net	7	C			20	542d	568d
possible deadlock in __stack_map_get bpf	4	C	error	error	56	245d	598d	💬 2 [259d]
possible deadlock in sock_map_delete_elem bpf net	4	C	error	done	869	545d	630d

moderation (6):
Title	Rank 🛈	Repro	Count	Last	Reported
KCSAN: data-race in bcmp / parse_build_id bpf	6		4	24d	71d
KCSAN: data-race in bcmp / stack_map_get_build_id_offset bpf	6		5	14d	77d
BUG: soft lockup in sys_bind can bpf trace	1		2	80d	162d
KCSAN: data-race in __bpf_get_stackid / __bpf_get_stackid bpf	6		38	5d22h	167d
KCSAN: data-race in __bpf_get_stackid / bcmp bpf	6		136	1d04h	173d
KCSAN: data-race in pcpu_alloc_noprof / pcpu_block_update_hint_alloc netfilter bpf	6	syz	198	381d	568d