BUG: soft lockup in wg_packet_handshake_receive

Date	Name	Commit	Repro	Result
2023/05/29	upstream (ToT)	8b817fded42d	C	[report] INFO: rcu detected stall in corrupted

Date

Name

Commit

Repro

Result

2023/05/29

upstream (ToT)

8b817fded42d

[report] INFO: rcu detected stall in corrupted

Kernel	Title	Repro	Cause bisect	Fix bisect	Count	Last	Reported	Patched	Status
upstream	INFO: rcu detected stall in wg_packet_handshake_receive_worker wireguard	C	error	inconclusive	3	72d	967d	0/25	upstream: reported C repro on 2021/01/29 04:11

upstream

INFO: rcu detected stall in wg_packet_handshake_receive_worker wireguard

error

inconclusive

72d

967d

0/25

upstream: reported C repro on 2021/01/29 04:11


Created	Duration	User	Patch	Repo	Result
2023/09/13 03:12	2h17m	bisect fix		linux-6.1.y	job log (0) log
2023/06/29 06:06	2h08m	bisect fix		linux-6.1.y	job log (0) log

watchdog: BUG: soft lockup - CPU#0 stuck for 23s! [kworker/0:5:4288] Modules linked in: irq event stamp: 50733 hardirqs last enabled at (50732): [<ffff800008215474>] queue_work_on+0xec/0x16c kernel/workqueue.c:1549 hardirqs last disabled at (50733): [<ffff8000120f85dc>] __el1_irq arch/arm64/kernel/entry-common.c:468 [inline] hardirqs last disabled at (50733): [<ffff8000120f85dc>] el1_interrupt+0x24/0x68 arch/arm64/kernel/entry-common.c:486 softirqs last enabled at (50724): [<ffff80000ca938e0>] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32 softirqs last disabled at (50728): [<ffff80000ca93828>] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:19 CPU: 0 PID: 4288 Comm: kworker/0:5 Not tainted 6.1.30-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/28/2023 Workqueue: wg-kex-wg1 wg_packet_handshake_receive_worker pstate: 80400005 (Nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : test_and_set_bit include/asm-generic/bitops/instrumented-atomic.h:72 [inline] pc : queue_work_on+0x10c/0x16c kernel/workqueue.c:1544 lr : queue_work_on+0x108/0x16c kernel/workqueue.c:1549 sp : ffff80001ddf7660 x29: ffff80001ddf7660 x28: dfff800000000000 x27: 000000000000000b x26: 0000000000000400 x25: ffff0000ce462b40 x24: 0000000000000000 x23: 0000000000000000 x22: 0000000000000000 x21: 0000000000000000 x20: ffff0000cc4bf800 x19: 0000000000000080 x18: ffff80001ddf7000 x17: ffff8000155ad000 x16: ffff800008305074 x15: 00000000000129f0 x14: 1ffff00002ab60b0 x13: 1fffe000368b6176 x12: 0000000000000003 x11: ff80800008215490 x10: 0000000000000000 x9 : ffff800008215490 x8 : ffff0000d476d340 x7 : 0000000000000000 x6 : 0000000000000000 x5 : 0000000000000080 x4 : 0000000000000000 x3 : 0000000000000000 x2 : 0000000000000002 x1 : 0000000000000080 x0 : 0000000000000000 Call trace: arch_local_irq_restore arch/arm64/include/asm/irqflags.h:122 [inline] queue_work_on+0x10c/0x16c kernel/workqueue.c:1549 wg_queue_enqueue_per_device_and_peer drivers/net/wireguard/queueing.h:179 [inline] wg_packet_create_data drivers/net/wireguard/send.c:320 [inline] wg_packet_send_staged_packets+0xe8c/0x1510 drivers/net/wireguard/send.c:387 wg_packet_send_keepalive+0x140/0x240 drivers/net/wireguard/send.c:239 wg_receive_handshake_packet drivers/net/wireguard/receive.c:186 [inline] wg_packet_handshake_receive_worker+0x594/0xc58 drivers/net/wireguard/receive.c:213 process_one_work+0x7ac/0x1404 kernel/workqueue.c:2289 worker_thread+0x8e4/0xfec kernel/workqueue.c:2436 kthread+0x250/0x2d8 kernel/kthread.c:376 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:860

Crashes (1):
Time	Kernel	Commit	Syzkaller	Config	Log	Report	Syz repro	C repro	VM info	Assets (help?)	Manager	Title
2023/05/29 21:29	linux-6.1.y	a343b0dd87b4	cf184559	.config	console log	report	syz	C		[disk image] [vmlinux] [kernel image]	ci2-linux-6-1-kasan-arm64	BUG: soft lockup in wg_packet_handshake_receive_worker

Crashes (1):

Assets (help?)