bridge0: received packet on veth0_to_bridge with own address as source address (addr:aa:aa:aa:aa:aa:0c, vlan:0)
rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
rcu: Tasks blocked on level-0 rcu_node (CPUs 0-1): P8985/1:b..l P11185/2:b..l P35/1:b..l
rcu: (detected by 1, t=10502 jiffies, g=46921, q=488 ncpus=2)
task:kworker/u8:2 state:R running task stack:20472 pid:35 tgid:35 ppid:2 task_flags:0x4208160 flags:0x00004000
Workqueue: 0x0 (events_unbound)
Call Trace:
context_switch kernel/sched/core.c:5377 [inline]
__schedule+0x190e/0x4c90 kernel/sched/core.c:6764
preempt_schedule_common+0x84/0xd0 kernel/sched/core.c:6943
preempt_schedule+0xe1/0xf0 kernel/sched/core.c:6967
preempt_schedule_thunk+0x1a/0x30 arch/x86/entry/thunk.S:12
unwind_next_frame+0x18f8/0x22d0 arch/x86/kernel/unwind_orc.c:672
arch_stack_walk+0x11c/0x150 arch/x86/kernel/stacktrace.c:25
stack_trace_save+0x118/0x1d0 kernel/stacktrace.c:122
save_stack+0xfb/0x1f0 mm/page_owner.c:156
__reset_page_owner+0x76/0x430 mm/page_owner.c:297
reset_page_owner include/linux/page_owner.h:25 [inline]
free_pages_prepare mm/page_alloc.c:1127 [inline]
free_frozen_pages+0xe0d/0x10e0 mm/page_alloc.c:2660
discard_slab mm/slub.c:2684 [inline]
__put_partials+0x160/0x1c0 mm/slub.c:3153
put_cpu_partial+0x17c/0x250 mm/slub.c:3228
__slab_free+0x290/0x380 mm/slub.c:4479
qlink_free mm/kasan/quarantine.c:163 [inline]
qlist_free_all+0x9a/0x140 mm/kasan/quarantine.c:179
kasan_quarantine_reduce+0x14f/0x170 mm/kasan/quarantine.c:286
__kasan_slab_alloc+0x23/0x80 mm/kasan/common.c:329
kasan_slab_alloc include/linux/kasan.h:250 [inline]
slab_post_alloc_hook mm/slub.c:4115 [inline]
slab_alloc_node mm/slub.c:4164 [inline]
__kmalloc_cache_noprof+0x1d9/0x390 mm/slub.c:4320
kmalloc_noprof include/linux/slab.h:901 [inline]
__kthread_create_on_node+0xee/0x3c0 kernel/kthread.c:511
kthread_create_on_node+0xde/0x130 kernel/kthread.c:588
create_worker+0x2a1/0x720 kernel/workqueue.c:2800
maybe_create_worker kernel/workqueue.c:3061 [inline]
manage_workers kernel/workqueue.c:3113 [inline]
worker_thread+0x318/0xd30 kernel/workqueue.c:3373
kthread+0x7a9/0x920 kernel/kthread.c:464
ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:148
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
task:dhcpcd-run-hook state:R running task stack:22816 pid:11185 tgid:11185 ppid:5501 task_flags:0x400000 flags:0x00000002
Call Trace:
context_switch kernel/sched/core.c:5377 [inline]
__schedule+0x190e/0x4c90 kernel/sched/core.c:6764
preempt_schedule_irq+0xfb/0x1c0 kernel/sched/core.c:7086
irqentry_exit+0x5e/0x90 kernel/entry/common.c:354
asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702
RIP: 0010:lock_acquire+0x264/0x550 kernel/locking/lockdep.c:5855
Code: 2b 00 74 08 4c 89 f7 e8 5a 3d 8b 00 f6 44 24 61 02 0f 85 85 01 00 00 41 f7 c7 00 02 00 00 74 01 fb 48 c7 44 24 40 0e 36 e0 45 <4b> c7 44 25 00 00 00 00 00 43 c7 44 25 09 00 00 00 00 43 c7 44 25
RSP: 0018:ffffc9000f08f600 EFLAGS: 00000206
RAX: 0000000000000001 RBX: 1ffff92001e11ecc RCX: ffff88802ff0c6e8
RDX: dffffc0000000000 RSI: ffffffff8c0ab8e0 RDI: ffffffff8c608cc0
RBP: ffffc9000f08f750 R08: ffffffff942fb847 R09: 1ffffffff285f708
R10: dffffc0000000000 R11: fffffbfff285f709 R12: 1ffff92001e11ec8
R13: dffffc0000000000 R14: ffffc9000f08f660 R15: 0000000000000246
rcu_lock_acquire include/linux/rcupdate.h:337 [inline]
rcu_read_lock include/linux/rcupdate.h:849 [inline]
is_bpf_text_address+0x46/0x2a0 kernel/bpf/core.c:772
kernel_text_address+0xa7/0xe0 kernel/extable.c:125
__kernel_text_address+0xd/0x40 kernel/extable.c:79
unwind_get_return_address+0x4d/0x90 arch/x86/kernel/unwind_orc.c:369
arch_stack_walk+0xfd/0x150 arch/x86/kernel/stacktrace.c:26
stack_trace_save+0x118/0x1d0 kernel/stacktrace.c:122
save_stack+0xfb/0x1f0 mm/page_owner.c:156
__reset_page_owner+0x76/0x430 mm/page_owner.c:297
reset_page_owner include/linux/page_owner.h:25 [inline]
free_pages_prepare mm/page_alloc.c:1127 [inline]
free_frozen_pages+0xe0d/0x10e0 mm/page_alloc.c:2660
__slab_free+0x2c2/0x380 mm/slub.c:4520
qlink_free mm/kasan/quarantine.c:163 [inline]
qlist_free_all+0x9a/0x140 mm/kasan/quarantine.c:179
kasan_quarantine_reduce+0x14f/0x170 mm/kasan/quarantine.c:286
__kasan_kmalloc+0x23/0xb0 mm/kasan/common.c:385
kasan_kmalloc include/linux/kasan.h:260 [inline]
__kmalloc_cache_noprof+0x243/0x390 mm/slub.c:4325
kmalloc_noprof include/linux/slab.h:901 [inline]
kzalloc_noprof include/linux/slab.h:1037 [inline]
alloc_pipe_info+0xeb/0x4d0 fs/pipe.c:799
get_pipe_inode fs/pipe.c:891 [inline]
create_pipe_files+0x86/0x7d0 fs/pipe.c:923
__do_pipe_flags+0x48/0x2d0 fs/pipe.c:980
do_pipe2+0xd4/0x310 fs/pipe.c:1031
__do_sys_pipe2 fs/pipe.c:1049 [inline]
__se_sys_pipe2 fs/pipe.c:1047 [inline]
__x64_sys_pipe2+0x5a/0x70 fs/pipe.c:1047
do_syscall_x64 arch/x86/entry/common.c:52 [inline]
do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fcda713119a
RSP: 002b:00007fff14340208 EFLAGS: 00000246 ORIG_RAX: 0000000000000125
RAX: ffffffffffffffda RBX: 0000000000000084 RCX: 00007fcda713119a
RDX: 000055805f93fdb8 RSI: 0000000000000000 RDI: 00007fff14340280
RBP: 000055805f93dc18 R08: 000055805f93fdb8 R09: 0000000000000000
R10: 0000000000000011 R11: 0000000000000246 R12: 0000000000000084
R13: 0000000000000000 R14: 000055805f93e080 R15: 0000000000000024
task:syz-executor state:R running task stack:22816 pid:8985 tgid:8985 ppid:5819 task_flags:0x40050c flags:0x00004004
Call Trace:
context_switch kernel/sched/core.c:5377 [inline]
__schedule+0x190e/0x4c90 kernel/sched/core.c:6764
preempt_schedule_common+0x84/0xd0 kernel/sched/core.c:6943
preempt_schedule+0xe1/0xf0 kernel/sched/core.c:6967
preempt_schedule_thunk+0x1a/0x30 arch/x86/entry/thunk.S:12
__raw_spin_unlock include/linux/spinlock_api_smp.h:143 [inline]
_raw_spin_unlock+0x3e/0x50 kernel/locking/spinlock.c:186
spin_unlock include/linux/spinlock.h:391 [inline]
zap_pte_range mm/memory.c:1761 [inline]
zap_pmd_range mm/memory.c:1823 [inline]
zap_pud_range mm/memory.c:1852 [inline]
zap_p4d_range mm/memory.c:1873 [inline]
unmap_page_range+0x3d52/0x48d0 mm/memory.c:1894
unmap_vmas+0x3cc/0x5f0 mm/memory.c:1984
exit_mmap+0x283/0xd40 mm/mmap.c:1284
__mmput+0x115/0x420 kernel/fork.c:1356
exit_mm+0x220/0x310 kernel/exit.c:570
do_exit+0x9ad/0x28e0 kernel/exit.c:925
do_group_exit+0x207/0x2c0 kernel/exit.c:1087
get_signal+0x16b2/0x1750 kernel/signal.c:3036
arch_do_signal_or_restart+0x96/0x860 arch/x86/kernel/signal.c:337
exit_to_user_mode_loop kernel/entry/common.c:111 [inline]
exit_to_user_mode_prepare include/linux/entry-common.h:329 [inline]
__syscall_exit_to_user_mode_work kernel/entry/common.c:207 [inline]
syscall_exit_to_user_mode+0xce/0x340 kernel/entry/common.c:218
do_syscall_64+0x100/0x230 arch/x86/entry/common.c:89
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fd192183057
RSP: 002b:00007ffdded186e0 EFLAGS: 00000293 ORIG_RAX: 000000000000003d
RAX: fffffffffffffe00 RBX: 0000000000002331 RCX: 00007fd192183057
RDX: 0000000040000000 RSI: 00007ffdded1871c RDI: 00000000ffffffff
RBP: 00007ffdded1871c R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000008
R13: 0000000000000003 R14: 0000000000000009 R15: 0000000000000000
rcu: rcu_preempt kthread starved for 9957 jiffies! g46921 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1
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:25784 pid:17 tgid:17 ppid:2 task_flags:0x208040 flags:0x00004000
Call Trace:
context_switch kernel/sched/core.c:5377 [inline]
__schedule+0x190e/0x4c90 kernel/sched/core.c:6764
preempt_schedule_irq+0xfb/0x1c0 kernel/sched/core.c:7086
irqentry_exit+0x5e/0x90 kernel/entry/common.c:354
asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702
RIP: 0010:lock_acquire+0x264/0x550 kernel/locking/lockdep.c:5855
Code: 2b 00 74 08 4c 89 f7 e8 5a 3d 8b 00 f6 44 24 61 02 0f 85 85 01 00 00 41 f7 c7 00 02 00 00 74 01 fb 48 c7 44 24 40 0e 36 e0 45 <4b> c7 44 25 00 00 00 00 00 43 c7 44 25 09 00 00 00 00 43 c7 44 25
RSP: 0018:ffffc90000167960 EFLAGS: 00000206
RAX: 0000000000000001 RBX: 1ffff9200002cf38 RCX: ffff88801d680ae8
RDX: dffffc0000000000 RSI: ffffffff8c0ab8e0 RDI: ffffffff8c608cc0
RBP: ffffc90000167ab0 R08: ffffffff942fb857 R09: 1ffffffff285f70a
R10: dffffc0000000000 R11: fffffbfff285f70b R12: 1ffff9200002cf34
R13: dffffc0000000000 R14: ffffc900001679c0 R15: 0000000000000246
sched_submit_work kernel/sched/core.c:6797 [inline]
schedule+0xb0/0x320 kernel/sched/core.c:6855
schedule_timeout+0x15a/0x290 kernel/time/sleep_timeout.c:99
rcu_gp_fqs_loop+0x2df/0x1330 kernel/rcu/tree.c:2024
rcu_gp_kthread+0xa7/0x3b0 kernel/rcu/tree.c:2226
kthread+0x7a9/0x920 kernel/kthread.c:464
ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:148
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
rcu: Stack dump where RCU GP kthread last ran:
CPU: 1 UID: 0 PID: 0 Comm: swapper/1 Not tainted 6.14.0-rc2-syzkaller-00041-g4dc1d1bec898 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024
RIP: 0010:native_irq_disable arch/x86/include/asm/irqflags.h:37 [inline]
RIP: 0010:arch_local_irq_disable arch/x86/include/asm/irqflags.h:92 [inline]
RIP: 0010:acpi_safe_halt+0x21/0x30 drivers/acpi/processor_idle.c:112
Code: 90 90 90 90 90 90 90 90 90 65 48 8b 04 25 80 d6 03 00 48 f7 00 08 00 00 00 75 10 66 90 0f 00 2d 45 0c 74 00 f3 0f 1e fa fb f4 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 00 90 90 90 90 90 90 90
RSP: 0018:ffffc900001a7d08 EFLAGS: 00000246
RAX: ffff88801d698000 RBX: ffff888141ef7864 RCX: 00000000001cc829
RDX: 0000000000000001 RSI: ffff888141ef7800 RDI: ffff888141ef7864
RBP: 000000000003aab8 R08: ffff8880b873799b R09: 1ffff110170e6f33
R10: dffffc0000000000 R11: ffffffff8bf60b50 R12: ffff8880216c7800
R13: 0000000000000001 R14: 0000000000000001 R15: ffffffff8f1307a0
FS: 0000000000000000(0000) GS:ffff8880b8700000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055556ba605c8 CR3: 000000005a0aa000 CR4: 00000000003526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 000000000000000c DR6: 00000000ffff0ff0 DR7: 0000000000000400
Call Trace:
acpi_idle_enter+0xe4/0x140 drivers/acpi/processor_idle.c:699
cpuidle_enter_state+0x109/0x470 drivers/cpuidle/cpuidle.c:268
cpuidle_enter+0x5d/0xa0 drivers/cpuidle/cpuidle.c:389
call_cpuidle kernel/sched/idle.c:155 [inline]
cpuidle_idle_call kernel/sched/idle.c:230 [inline]
do_idle+0x372/0x5c0 kernel/sched/idle.c:325
cpu_startup_entry+0x42/0x60 kernel/sched/idle.c:423
start_secondary+0x102/0x110 arch/x86/kernel/smpboot.c:315
common_startup_64+0x13e/0x147
net_ratelimit: 21594 callbacks suppressed
bridge0: received packet on veth0_to_bridge with own address as source address (addr:aa:aa:aa:aa:aa:0c, vlan:0)
bridge0: received packet on bridge_slave_0 with own address as source address (addr:aa:aa:aa:aa:aa:0c, vlan:0)
bridge0: received packet on veth0_to_bridge with own address as source address (addr:aa:aa:aa:aa:aa:0c, vlan:0)
bridge0: received packet on bridge_slave_0 with own address as source address (addr:aa:aa:aa:aa:aa:0c, vlan:0)
bridge0: received packet on veth0_to_bridge with own address as source address (addr:ce:64:3e:3e:8b:84, vlan:0)
net_ratelimit: 30643 callbacks suppressed
bridge0: received packet on veth0_to_bridge with own address as source address (addr:ce:64:3e:3e:8b:84, vlan:0)
bridge0: received packet on veth0_to_bridge with own address as source address (addr:aa:aa:aa:aa:aa:0c, vlan:0)
bridge0: received packet on bridge_slave_0 with own address as source address (addr:aa:aa:aa:aa:aa:0c, vlan:0)
bridge0: received packet on veth0_to_bridge with own address as source address (addr:aa:aa:aa:aa:aa:0c, vlan:0)
bridge0: received packet on bridge_slave_0 with own address as source address (addr:aa:aa:aa:aa:aa:0c, vlan:0)