bridge0: received packet on veth1_to_bridge with own address as source address (addr:7a:42:f8:d4:12:d6, vlan:0)
bridge0: received packet on veth1_to_bridge with own address as source address (addr:7a:42:f8:d4:12:d6, vlan:0)
bridge0: received packet on veth1_to_bridge with own address as source address (addr:7a:42:f8:d4:12:d6, vlan:0)
rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
rcu: Tasks blocked on level-0 rcu_node (CPUs 0-1): P24444/1:b..l P24443/1:b..l P5356/1:b..l
rcu: (detected by 1, t=10733 jiffies, g=136817, q=1608 ncpus=2)
task:crond state:R running task stack:24264 pid:5356 tgid:5356 ppid:1 task_flags:0x400000 flags:0x00080000
Call Trace:
context_switch kernel/sched/core.c:5533 [inline]
__schedule+0x17db/0x58f0 kernel/sched/core.c:7284
preempt_schedule_irq+0x4b/0x90 kernel/sched/core.c:7606
irqentry_exit_to_kernel_mode include/linux/irq-entry-common.h:539 [inline]
irqentry_exit+0x14f/0x910 kernel/entry/common.c:167
asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:674
RIP: 0010:get_current arch/x86/include/asm/current.h:25 [inline]
RIP: 0010:debug_lockdep_rcu_enabled+0x18/0x40 kernel/rcu/update.c:321
Code: cc cc 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 31 c0 83 3d 3b 7a 93 04 00 74 1d 83 3d 0a aa 93 04 00 74 14 <65> 48 8b 0d 88 a4 ae 07 31 c0 83 b9 a4 0b 00 00 00 0f 94 c0 e9 8f
RSP: 0018:ffffc9000348f4f8 EFLAGS: 00000202
RAX: 0000000000000000 RBX: ffffffff81ac96f3 RCX: 0000000000000046
RDX: 0000000049a26a3f RSI: ffffffff8e69f4bd RDI: ffffffff8c6dad80
RBP: 1ffff92000691ebc R08: ffffffff8177f1df R09: 0000000000000000
R10: ffffc9000348f5f8 R11: ffffffff81b2a310 R12: dffffc0000000000
R13: ffffffff8177f1df R14: ffffc9000348f5a8 R15: 1ffff92000691eb5
rcu_read_lock include/linux/rcupdate.h:850 [inline]
class_rcu_constructor include/linux/rcupdate.h:1216 [inline]
unwind_next_frame+0xb5/0x2550 arch/x86/kernel/unwind_orc.c:495
arch_stack_walk+0x11b/0x150 arch/x86/kernel/stacktrace.c:25
stack_trace_save+0xa9/0x100 kernel/stacktrace.c:122
kasan_save_stack mm/kasan/common.c:57 [inline]
kasan_save_track+0x3e/0x80 mm/kasan/common.c:78
unpoison_slab_object mm/kasan/common.c:351 [inline]
__kasan_slab_alloc+0x6c/0x80 mm/kasan/common.c:377
kasan_slab_alloc include/linux/kasan.h:253 [inline]
slab_post_alloc_hook mm/slub.c:4683 [inline]
slab_alloc_node mm/slub.c:4996 [inline]
kmem_cache_alloc_noprof+0x2b9/0x600 mm/slub.c:5010
kmem_alloc_batch lib/debugobjects.c:371 [inline]
fill_pool+0x163/0x610 lib/debugobjects.c:420
debug_objects_fill_pool lib/debugobjects.c:780 [inline]
debug_object_activate+0x38d/0x420 lib/debugobjects.c:869
debug_rcu_head_queue kernel/rcu/rcu.h:245 [inline]
__call_rcu_common kernel/rcu/tree.c:3166 [inline]
call_rcu+0x43/0x8b0 kernel/rcu/tree.c:3301
__slab_free+0x274/0x2c0 mm/slub.c:5823
qlink_free mm/kasan/quarantine.c:163 [inline]
qlist_free_all+0x99/0x100 mm/kasan/quarantine.c:179
kasan_quarantine_reduce+0x148/0x160 mm/kasan/quarantine.c:286
__kasan_slab_alloc+0x22/0x80 mm/kasan/common.c:361
kasan_slab_alloc include/linux/kasan.h:253 [inline]
slab_post_alloc_hook mm/slub.c:4683 [inline]
slab_alloc_node mm/slub.c:4996 [inline]
kmem_cache_alloc_noprof+0x2b9/0x600 mm/slub.c:5010
alloc_filename fs/namei.c:147 [inline]
do_getname+0x2e/0x250 fs/namei.c:187
class_filename_flags_constructor include/linux/fs.h:2586 [inline]
do_sys_openat2+0xcc/0x200 fs/open.c:1416
do_sys_open fs/open.c:1423 [inline]
__do_sys_openat fs/open.c:1439 [inline]
__se_sys_openat fs/open.c:1434 [inline]
__x64_sys_openat+0x138/0x170 fs/open.c:1434
do_syscall_x64 arch/x86/entry/syscall_64.c:61 [inline]
do_syscall_64+0x166/0x520 arch/x86/entry/syscall_64.c:84
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f0fa5002c3a
RSP: 002b:00007fffcf2a2048 EFLAGS: 00000206 ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 000055e909a4f2a0 RCX: 00007f0fa5002c3a
RDX: 0000000000080000 RSI: 00007f0fa509f45a RDI: 00000000ffffff9c
RBP: 0000000000000008 R08: 0000000000000008 R09: 0000000000000001
R10: 0000000000000000 R11: 0000000000000206 R12: 00007f0fa509d7f4
R13: 00007f0fa509d7f4 R14: 0000000000000001 R15: 000000000000002f
task:syz.0.4725 state:R running task stack:25320 pid:24443 tgid:24443 ppid:18601 task_flags:0x40044c flags:0x00080002
Call Trace:
context_switch kernel/sched/core.c:5533 [inline]
__schedule+0x17db/0x58f0 kernel/sched/core.c:7284
preempt_schedule_irq+0x4b/0x90 kernel/sched/core.c:7606
irqentry_exit_to_kernel_mode include/linux/irq-entry-common.h:539 [inline]
irqentry_exit+0x14f/0x910 kernel/entry/common.c:167
asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:674
RIP: 0010:unwind_next_frame+0xaf6/0x2550 arch/x86/kernel/unwind_orc.c:610
Code: 00 49 89 c0 48 8b 54 24 08 48 8d 5a 01 48 8b 44 24 30 42 0f b6 04 20 84 c0 4c 89 04 24 0f 85 26 14 00 00 48 89 dd 48 c1 ed 03 <42> 0f b6 44 25 00 84 c0 0f 85 3b 14 00 00 0f b6 72 01 83 e6 07 83
RSP: 0018:ffffc9000681f1c0 EFLAGS: 00000a06
RAX: 0000000000000000 RBX: ffffffff91134861 RCX: ffffffff90943808
RDX: ffffffff91134860 RSI: ffffffff9113485c RDI: ffffffff8c6dad20
RBP: 1ffffffff222690c R08: ffffc9000681fdc0 R09: 0000000000000000
R10: ffffc9000681f2b8 R11: ffffffff81b2a310 R12: dffffc0000000000
R13: ffffffff9113485c R14: ffffc9000681f268 R15: 1ffff92000d03e4d
arch_stack_walk+0x11b/0x150 arch/x86/kernel/stacktrace.c:25
stack_trace_save+0xa9/0x100 kernel/stacktrace.c:122
kasan_save_stack+0x3e/0x60 mm/kasan/common.c:57
kasan_record_aux_stack+0xbd/0xd0 mm/kasan/generic.c:556
slab_free_hook mm/slub.c:2709 [inline]
slab_free mm/slub.c:6508 [inline]
kmem_cache_free+0x45e/0x650 mm/slub.c:6635
anon_vma_free mm/rmap.c:137 [inline]
__put_anon_vma+0x12b/0x2d0 mm/rmap.c:2974
put_anon_vma mm/internal.h:290 [inline]
unlink_anon_vmas+0x544/0x720 mm/rmap.c:540
free_pgtables+0x836/0xb70 mm/memory.c:414
exit_mmap+0x4aa/0x9f0 mm/mmap.c:1327
__mmput+0x118/0x420 kernel/fork.c:1193
exit_mm+0x18e/0x240 kernel/exit.c:592
do_exit+0x6cd/0x2360 kernel/exit.c:974
do_group_exit+0x22d/0x2f0 kernel/exit.c:1129
get_signal+0x121b/0x12c0 kernel/signal.c:3112
arch_do_signal_or_restart+0xbb/0x860 arch/x86/kernel/signal.c:337
__exit_to_user_mode_loop kernel/entry/common.c:66 [inline]
exit_to_user_mode_loop kernel/entry/common.c:101 [inline]
__exit_to_user_mode_prepare include/linux/irq-entry-common.h:207 [inline]
irqentry_exit_to_user_mode_prepare include/linux/irq-entry-common.h:244 [inline]
irqentry_exit_to_user_mode include/linux/irq-entry-common.h:315 [inline]
irqentry_exit+0x2ba/0x910 kernel/entry/common.c:165
asm_exc_page_fault+0x26/0x30 arch/x86/include/asm/idtentry.h:595
RIP: 0033:0x7f36d095b304
RSP: 002b:00007ffc2b64d180 EFLAGS: 00010246
RAX: 00007f36d18ea000 RBX: 00007f36d190a6c0 RCX: 00007f36d099df57
RDX: 0000000000000003 RSI: 0000000000020000 RDI: 00007f36d190a6c0
RBP: 0000000000000000 R08: 00000000ffffffff R09: 0000000000000000
R10: 0000000000021000 R11: 0000000000000206 R12: 00007ffc2b64d2d0
R13: ffffffffffffffc0 R14: 0000000000001000 R15: 0000000000000000
task:syz.2.4724 state:R running task stack:26888 pid:24444 tgid:24442 ppid:17782 task_flags:0x40044c flags:0x00080002
Call Trace:
context_switch kernel/sched/core.c:5533 [inline]
__schedule+0x17db/0x58f0 kernel/sched/core.c:7284
preempt_schedule_common+0x7f/0xd0 kernel/sched/core.c:7463
preempt_schedule_thunk+0x16/0x40 arch/x86/entry/thunk.S:12
__raw_spin_unlock include/linux/spinlock_api_smp.h:201 [inline]
_raw_spin_unlock+0x41/0x50 kernel/locking/spinlock.c:213
spin_unlock include/linux/spinlock.h:401 [inline]
zap_pte_range mm/memory.c:2095 [inline]
zap_pmd_range mm/memory.c:2151 [inline]
zap_pud_range mm/memory.c:2179 [inline]
zap_p4d_range mm/memory.c:2200 [inline]
__zap_vma_range+0x40e1/0x4f80 mm/memory.c:2240
unmap_vmas+0x390/0x550 mm/memory.c:2309
exit_mmap+0x293/0x9f0 mm/mmap.c:1315
__mmput+0x118/0x420 kernel/fork.c:1193
exit_mm+0x18e/0x240 kernel/exit.c:592
do_exit+0x6cd/0x2360 kernel/exit.c:974
do_group_exit+0x22d/0x2f0 kernel/exit.c:1129
get_signal+0x121b/0x12c0 kernel/signal.c:3112
arch_do_signal_or_restart+0xbb/0x860 arch/x86/kernel/signal.c:337
__exit_to_user_mode_loop kernel/entry/common.c:66 [inline]
exit_to_user_mode_loop+0x10e/0x770 kernel/entry/common.c:101
__exit_to_user_mode_prepare include/linux/irq-entry-common.h:207 [inline]
syscall_exit_to_user_mode_prepare include/linux/irq-entry-common.h:230 [inline]
syscall_exit_to_user_mode include/linux/entry-common.h:343 [inline]
do_syscall_64+0x328/0x520 arch/x86/entry/syscall_64.c:89
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f04c6f9e159
RSP: 002b:00007f04c7e55028 EFLAGS: 00000246 ORIG_RAX: 000000000000002a
RAX: ffffffffffffff8d RBX: 00007f04c7225fa0 RCX: 00007f04c6f9e159
RDX: 0000000000000010 RSI: 0000200000004cc0 RDI: 0000000000000003
RBP: 00007f04c703506b R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f04c7226038 R14: 00007f04c7225fa0 R15: 00007ffc68651a38
rcu: rcu_preempt kthread starved for 10802 jiffies! g136817 f0x0 RCU_GP_WAIT_FQS(5) ->state=R ->cpu=0
rcu: Unless rcu_preempt kthread gets sufficient CPU time, OOM is now expected behavior.
rcu: RCU grace-period kthread stack dump:
task:rcu_preempt state:R running task stack:27496 pid:17 tgid:17 ppid:2 task_flags:0x208040 flags:0x00080000
Call Trace:
context_switch kernel/sched/core.c:5533 [inline]
__schedule+0x17db/0x58f0 kernel/sched/core.c:7284
__schedule_loop kernel/sched/core.c:7361 [inline]
schedule+0x164/0x2b0 kernel/sched/core.c:7376
schedule_timeout+0x152/0x2c0 kernel/time/sleep_timeout.c:99
rcu_gp_fqs_loop+0x30c/0x11f0 kernel/rcu/tree.c:2122
rcu_gp_kthread+0x9e/0x2b0 kernel/rcu/tree.c:2330
kthread+0x38b/0x480 kernel/kthread.c:436
ret_from_fork+0x514/0xb70 arch/x86/kernel/process.c:158
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
rcu: Stack dump where RCU GP kthread last ran:
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 UID: 0 PID: 17739 Comm: kworker/u8:27 Not tainted syzkaller #0 PREEMPT(full)
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/16/2026
Workqueue: wg-kex-wg0 wg_packet_handshake_send_worker
RIP: 0010:pie_calculate_probability+0x29/0x7f0 net/sched/sch_pie.c:313
Code: 90 f3 0f 1e fa 55 41 57 41 56 41 55 41 54 53 48 83 ec 58 89 d3 49 89 f6 49 89 fc 49 bf 00 00 00 00 00 fc ff df e8 87 3f db f7 <4d> 8d 6c 24 1a 4c 89 ed 48 c1 ed 03 42 0f b6 44 3d 00 84 c0 0f 85
RSP: 0018:ffffc90000007b78 EFLAGS: 00000246
RAX: ffffffff89ecae89 RBX: 0000000000000000 RCX: ffff888034940000
RDX: 8000000000000100 RSI: 0000000000000100 RDI: ffff88805b6cb2c0
RBP: 00000000000003ea R08: 0000000000000100 R09: 0000000000000004
R10: dffffc0000000000 R11: fffff52000000f70 R12: ffff88805b6cb2c0
R13: ffff888064260930 R14: ffff888064260930 R15: dffffc0000000000
FS: 0000000000000000(0000) GS:ffff888124cc7000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fe1cfc88e9c CR3: 000000000eb48000 CR4: 00000000003526f0
Call Trace:
fq_pie_timer+0x27d/0x5a0 net/sched/sch_fq_pie.c:403
call_timer_fn+0x18d/0x5f0 kernel/time/timer.c:1748
expire_timers kernel/time/timer.c:1799 [inline]
__run_timers kernel/time/timer.c:2374 [inline]
__run_timer_base+0x652/0x8b0 kernel/time/timer.c:2386
run_timer_base kernel/time/timer.c:2395 [inline]
run_timer_softirq+0xb7/0x170 kernel/time/timer.c:2405
handle_softirqs+0x226/0x860 kernel/softirq.c:645
__do_softirq kernel/softirq.c:679 [inline]
invoke_softirq kernel/softirq.c:519 [inline]
__irq_exit_rcu+0xcb/0x220 kernel/softirq.c:758
irq_exit_rcu+0x9/0x30 kernel/softirq.c:775
instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1062 [inline]
sysvec_apic_timer_interrupt+0xa6/0xc0 arch/x86/kernel/apic/apic.c:1062
asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:674
RIP: 0010:fsqr lib/crypto/x86/curve25519.h:667 [inline]
RIP: 0010:fsquare_times lib/crypto/x86/curve25519.h:1115 [inline]
RIP: 0010:finv lib/crypto/x86/curve25519.h:1138 [inline]
RIP: 0010:encode_point+0x43b4/0x84b0 lib/crypto/x86/curve25519.h:1212
Code: c0 66 4c 0f 38 f6 c9 4c 89 4e 08 66 4c 0f 38 f6 d1 4c 89 56 10 66 4c 0f 38 f6 d9 4c 89 5e 18 48 c7 c0 00 00 00 00 48 0f 42 c2 <49> 01 c0 4c 89 06 48 8d b4 24 60 01 00 00 4c 89 e7 48 8b 17 c4 62
RSP: 0018:ffffc90003c6f100 EFLAGS: 00000206
RAX: 0000000000000000 RBX: 0000000000000004 RCX: 0000000000000000
RDX: 0000000000000026 RSI: ffffc90003c6f1e0 RDI: ffffc90003c6f260
RBP: ffffc90003c6f350 R08: 6355ae6667a91e6c R09: a3c488964b1f96b4
R10: 16209a7208f530aa R11: d7d84f1989cb2447 R12: ffffc90003c6f1e0
R13: 000000000000001b R14: 0f9ebd79c2137ea8 R15: 0000000000000000
curve25519_ever64 lib/crypto/x86/curve25519.h:1248 [inline]
curve25519_arch lib/crypto/x86/curve25519.h:1594 [inline]
curve25519+0x510b/0x51a0 lib/crypto/curve25519.c:44
mix_dh drivers/net/wireguard/noise.c:411 [inline]
wg_noise_handshake_create_initiation+0x274/0x810 drivers/net/wireguard/noise.c:550
wg_packet_send_handshake_initiation drivers/net/wireguard/send.c:34 [inline]
wg_packet_handshake_send_worker+0x18c/0x370 drivers/net/wireguard/send.c:51
process_one_work kernel/workqueue.c:3396 [inline]
process_scheduled_works+0xc3d/0x1630 kernel/workqueue.c:3479
worker_thread+0xa47/0xfb0 kernel/workqueue.c:3560
kthread+0x38b/0x480 kernel/kthread.c:436
ret_from_fork+0x514/0xb70 arch/x86/kernel/process.c:158
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245