BUG: MAX_STACK_TRACE_ENTRIES too low!

Date	Name	Commit	Repro	Result
2025/05/04	linux-6.1.y (ToT)	b6736e03756f	C	[report] BUG: MAX_STACK_TRACE_ENTRIES too low!
2025/05/04	upstream (ToT)	14c55b7bb0a8	C	Didn't crash

Date

Name

Commit

Repro

Result

2025/05/04

linux-6.1.y (ToT)

b6736e03756f

[report] BUG: MAX_STACK_TRACE_ENTRIES too low!

2025/05/04

upstream (ToT)

14c55b7bb0a8

Didn't crash

Kernel	Title	Rank 🛈	Repro	Cause bisect	Fix bisect	Count	Last	Reported	Patched	Status
linux-6.6	BUG: MAX_STACK_TRACE_ENTRIES too low! origin:lts-only	-1	C			1	24d	25d	0/2	upstream: reported C repro on 2025/09/23 14:36
upstream	BUG: MAX_STACK_TRACE_ENTRIES too low! (3) net	-1				2	1641d	1642d	20/29	fixed on 2021/11/10 00:50
upstream	BUG: MAX_STACK_TRACE_ENTRIES too low! (2)	-1	C	done		5045	2226d	2395d	13/29	fixed on 2019/10/15 23:40
upstream	BUG: MAX_STACK_TRACE_ENTRIES too low! (4) bpf	-1	C	done	unreliable	31	210d	386d	0/29	auto-obsoleted due to no activity on 2025/08/31 03:03
linux-5.15	BUG: MAX_STACK_TRACE_ENTRIES too low! origin:lts-only	-1	C		done	39	6d07h	578d	0/3	upstream: reported C repro on 2024/03/19 07:46
upstream	BUG: MAX_STACK_TRACE_ENTRIES too low!	-1	C	done		1725	2396d	2422d	11/29	fixed on 2019/03/28 12:00

Created	Duration	User	Repo	Result
2025/07/13 07:55	2h02m	fix candidate	upstream	OK (0) job log
2025/07/06 04:24	2h11m	bisect fix	linux-6.1.y	OK (0) job log log
2025/06/04 14:50	2h31m	bisect fix	linux-6.1.y	OK (0) job log log
2025/04/29 22:50	3h18m	bisect fix	linux-6.1.y	OK (0) job log log

Created

Duration

User

Patch

Repo

Result

2025/07/13 07:55

2h02m

fix candidate

upstream

OK (0) job log

2025/07/06 04:24

2h11m

bisect fix

linux-6.1.y

OK (0) job log log

2025/06/04 14:50

2h31m

bisect fix

linux-6.1.y

OK (0) job log log

2025/04/29 22:50

3h18m

bisect fix

linux-6.1.y

OK (0) job log log

team0 (unregistering): Port device team_slave_1 removed team0 (unregistering): Port device team_slave_0 removed bond0 (unregistering): (slave bond_slave_1): Releasing backup interface BUG: MAX_STACK_TRACE_ENTRIES too low! turning off the locking correctness validator. CPU: 1 PID: 4575 Comm: kworker/u4:9 Not tainted syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025 Workqueue: netns cleanup_net Call Trace: <TASK> dump_stack_lvl+0x168/0x22e lib/dump_stack.c:106 save_trace+0x8d6/0xb60 kernel/locking/lockdep.c:578 check_prev_add kernel/locking/lockdep.c:3151 [inline] check_prevs_add kernel/locking/lockdep.c:3209 [inline] validate_chain kernel/locking/lockdep.c:3825 [inline] __lock_acquire+0x3b73/0x7c50 kernel/locking/lockdep.c:5049 lock_acquire+0x1b4/0x490 kernel/locking/lockdep.c:5662 __raw_spin_lock include/linux/spinlock_api_smp.h:133 [inline] _raw_spin_lock+0x2a/0x40 kernel/locking/spinlock.c:154 htab_lock_bucket+0x17d/0x300 kernel/bpf/hashtab.c:166 htab_lru_map_delete_elem+0x1ad/0x760 kernel/bpf/hashtab.c:1438 bpf_prog_e15fd5db8382a83f+0x5b/0x5f bpf_dispatcher_nop_func include/linux/bpf.h:1001 [inline] __bpf_prog_run include/linux/filter.h:603 [inline] bpf_prog_run include/linux/filter.h:610 [inline] __bpf_trace_run kernel/trace/bpf_trace.c:2285 [inline] bpf_trace_run2+0x1cd/0x3b0 kernel/trace/bpf_trace.c:2324 __bpf_trace_kfree+0x6e/0x90 include/trace/events/kmem.h:94 __traceiter_kfree+0x26/0x40 include/trace/events/kmem.h:94 trace_kfree include/trace/events/kmem.h:94 [inline] kfree+0xf6/0x190 mm/slab_common.c:975 kernfs_put+0x1bd/0x490 fs/kernfs/dir.c:559 kernfs_remove_by_name_ns+0xe0/0x150 fs/kernfs/dir.c:1668 device_del+0x438/0xa70 drivers/base/core.c:3871 unregister_netdevice_many+0x1393/0x1840 net/core/dev.c:11017 default_device_exit_batch+0x9c3/0xa50 net/core/dev.c:11503 ops_exit_list net/core/net_namespace.c:177 [inline] cleanup_net+0x77b/0xb80 net/core/net_namespace.c:640 process_one_work+0x898/0x1160 kernel/workqueue.c:2292 worker_thread+0xaa2/0x1250 kernel/workqueue.c:2439 kthread+0x29d/0x330 kernel/kthread.c:376 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295 </TASK> bond0 (unregistering): (slave bond_slave_0): Releasing backup interface bond0 (unregistering): Released all slaves IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready

Crashes (3):
Time	Kernel	Commit	Syzkaller	Config	Log	Report	Syz repro	C repro	Assets (help?)	Manager	Title
2025/09/08 17:00	linux-6.1.y	28c695c365e1	d291dd2d	.config	console log	report	syz / log	C	[disk image] [vmlinux] [kernel image]	ci2-linux-6-1-kasan-perf	BUG: MAX_STACK_TRACE_ENTRIES too low!
2025/05/04 07:57	linux-6.1.y	b6736e03756f	b0714e37	.config	console log	report	syz / log	C	[disk image] [vmlinux] [kernel image]	ci2-linux-6-1-kasan-perf	BUG: MAX_STACK_TRACE_ENTRIES too low!
2025/03/22 10:39	linux-6.1.y	344a09659766	c6512ef7	.config	console log	report	syz / log		[disk image] [vmlinux] [kernel image]	ci2-linux-6-1-kasan-perf	BUG: MAX_STACK_TRACE_ENTRIES too low!

Crashes (3):

Assets (help?)