bridge0: received packet on bridge_slave_1 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): P6870/1:b..l
rcu: (detected by 0, t=10503 jiffies, g=16665, q=412 ncpus=2)
task:syz.0.562 state:R running task stack:24384 pid:6870 tgid:6870 ppid:5223 flags:0x00004000
Call Trace:
context_switch kernel/sched/core.c:5270 [inline]
__schedule+0x17ff/0x4ad0 kernel/sched/core.c:6639
preempt_schedule_common+0x84/0xd0 kernel/sched/core.c:6818
preempt_schedule+0xe1/0xf0 kernel/sched/core.c:6842
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:1688 [inline]
zap_pmd_range mm/memory.c:1736 [inline]
zap_pud_range mm/memory.c:1765 [inline]
zap_p4d_range mm/memory.c:1786 [inline]
unmap_page_range+0x3818/0x42c0 mm/memory.c:1807
unmap_vmas+0x3cc/0x5f0 mm/memory.c:1897
exit_mmap+0x275/0xc40 mm/mmap.c:1921
__mmput+0x115/0x390 kernel/fork.c:1347
exit_mm+0x220/0x310 kernel/exit.c:571
do_exit+0x9b2/0x28e0 kernel/exit.c:926
do_group_exit+0x207/0x2c0 kernel/exit.c:1088
__do_sys_exit_group kernel/exit.c:1099 [inline]
__se_sys_exit_group kernel/exit.c:1097 [inline]
__x64_sys_exit_group+0x3f/0x40 kernel/exit.c:1097
x64_sys_call+0x26a8/0x26b0 arch/x86/include/generated/asm/syscalls_64.h:232
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: 0033:0x7f3737d799b9
RSP: 002b:00007ffc37ce5a68 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f3737d799b9
RDX: 0000000000000064 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 00007ffc37ce5abc R08: 00007ffc37ce5b4f R09: 000000000001e334
R10: 0000000000000001 R11: 0000000000000246 R12: 0000000000000032
R13: 000000000001e334 R14: 000000000001e0ee R15: 00007ffc37ce5b10
rcu: rcu_preempt kthread starved for 10445 jiffies! g16665 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:25264 pid:17 tgid:17 ppid:2 flags:0x00004000
Call Trace:
context_switch kernel/sched/core.c:5270 [inline]
__schedule+0x17ff/0x4ad0 kernel/sched/core.c:6639
preempt_schedule_irq+0xfb/0x1c0 kernel/sched/core.c:6961
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:__timer_delete_sync+0x1d9/0x310 kernel/time/timer.c:1655
Code: eb 0f 85 ee 00 00 00 e8 15 6d 13 00 4c 8b 6c 24 18 4d 85 f6 75 07 e8 06 6d 13 00 eb 06 e8 ff 6c 13 00 fb 65 8b 1d 0f b1 83 7e <89> de 81 e6 00 00 0f 00 31 ff e8 28 71 13 00 81 e3 00 00 0f 00 74
RSP: 0018:ffffc90000167ac0 EFLAGS: 00000293
RAX: ffffffff81802671 RBX: 0000000080000000 RCX: ffff888017ea8000
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffffc90000167b90 R08: ffffffff8180264d R09: 1ffffffff20318b5
R10: dffffc0000000000 R11: fffffbfff20318b6 R12: 1ffff9200002cf5c
R13: ffffc90000167bc0 R14: 0000000000000200 R15: dffffc0000000000
timer_delete_sync kernel/time/timer.c:1720 [inline]
del_timer_sync include/linux/timer.h:185 [inline]
schedule_timeout+0x1c8/0x310 kernel/time/timer.c:2582
rcu_gp_fqs_loop+0x2df/0x1330 kernel/rcu/tree.c:2045
rcu_gp_kthread+0xa7/0x3b0 kernel/rcu/tree.c:2247
kthread+0x2f0/0x390 kernel/kthread.c:389
ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:147
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
rcu: Stack dump where RCU GP kthread last ran:
Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 UID: 0 PID: 42 Comm: kworker/R-kbloc Not tainted 6.11.0-rc3-next-20240816-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/27/2024
RIP: 0010:ip6_multipath_l3_keys+0x118/0x4b0 net/ipv6/route.c:2314
Code: 49 01 c7 ba 28 00 00 00 31 f6 e8 b3 4c 9c f7 49 c1 ee 03 41 80 3c 1e 00 49 89 dd 74 0d 48 8d bc 24 90 00 00 00 e8 b8 4a 9c f7 <48> c7 84 24 90 00 00 00 00 00 00 00 49 8d 5f 06 48 89 d8 48 c1 e8
RSP: 0018:ffffc90000a17ee0 EFLAGS: 00000246
RAX: ffffc90000a17f20 RBX: dffffc0000000000 RCX: 0000000000000000
RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffc90000a17f48
RBP: ffffc90000a17ff0 R08: ffffc90000a17f47 R09: 0000000000000000
R10: ffffc90000a17f20 R11: fffff52000142fe9 R12: 1ffff92000142fe0
R13: dffffc0000000000 R14: 1ffff92000142fee R15: ffff88803f73b010
FS: 0000000000000000(0000) GS:ffff8880b9100000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000555575455588 CR3: 000000002ce34000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
rt6_multipath_hash+0x3af/0x2610 net/ipv6/route.c:2480
ip6_route_input+0x9d8/0xd90 net/ipv6/route.c:2594
ip6_rcv_finish+0x144/0x180 net/ipv6/ip6_input.c:77
NF_HOOK+0x3a4/0x450 include/linux/netfilter.h:314
__netif_receive_skb_one_core net/core/dev.c:5661 [inline]
__netif_receive_skb+0x1ea/0x650 net/core/dev.c:5775
process_backlog+0x662/0x15b0 net/core/dev.c:6108
__napi_poll+0xcb/0x490 net/core/dev.c:6772
napi_poll net/core/dev.c:6841 [inline]
net_rx_action+0x89b/0x1240 net/core/dev.c:6963
handle_softirqs+0x2c4/0x970 kernel/softirq.c:554
__do_softirq kernel/softirq.c:588 [inline]
invoke_softirq kernel/softirq.c:428 [inline]
__irq_exit_rcu+0xf4/0x1c0 kernel/softirq.c:637
irq_exit_rcu+0x9/0x30 kernel/softirq.c:649
instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1037 [inline]
sysvec_apic_timer_interrupt+0xa6/0xc0 arch/x86/kernel/apic/apic.c:1037
asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702
RIP: 0010:raw_spin_rq_unlock_irq+0x19/0x90 kernel/sched/sched.h:1498
Code: 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 41 57 41 56 53 48 89 fb 66 90 48 89 df e8 9e 48 60 0a e8 19 16 36 00 fb 5b <41> 5e 41 5f c3 cc cc cc cc f3 0f 1e fa 49 bf 00 00 00 00 00 fc ff
RSP: 0018:ffffc90000b27808 EFLAGS: 00000286
RAX: f58d4bfd57f44b00 RBX: ffff8880b913ea40 RCX: ffffffff94f43903
RDX: dffffc0000000000 RSI: ffffffff8c0ace40 RDI: ffffffff8c60a8c0
RBP: ffffc90000b27a10 R08: ffffffff9018c5af R09: 1ffffffff20318b5
R10: dffffc0000000000 R11: fffffbfff20318b6 R12: ffff888018eb9e18
R13: 0000000000000000 R14: ffff888018eb9e00 R15: ffff888018eba570
__schedule+0x1a3a/0x4ad0 kernel/sched/core.c:6643
preempt_schedule_irq+0xfb/0x1c0 kernel/sched/core.c:6961
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:__mutex_lock_common kernel/locking/mutex.c:587 [inline]
RIP: 0010:__mutex_lock+0xfe/0xd70 kernel/locking/mutex.c:752
Code: 04 20 84 c0 0f 85 79 0b 00 00 83 3d 4b f7 2f 09 00 75 21 49 8d 7d 60 48 89 f8 48 c1 e8 03 42 80 3c 20 00 74 05 e8 b2 07 38 f6 <4d> 39 6d 60 0f 85 f3 0a 00 00 bf 01 00 00 00 e8 fe c0 9e f5 49 8d
RSP: 0018:ffffc90000b27ba0 EFLAGS: 00000246
RAX: 1ffffffff1cfc814 RBX: 0000000000000000 RCX: ffffffff94f43903
RDX: dffffc0000000000 RSI: ffff888018eb9e00 RDI: ffffffff8e7e40a0
RBP: ffffc90000b27ce8 R08: ffffc90000b27c67 R09: 0000000000000000
R10: ffffc90000b27c40 R11: fffff52000164f8d R12: dffffc0000000000
R13: ffffffff8e7e4040 R14: 0000000000000000 R15: dffffc0000000000
worker_attach_to_pool+0x31/0x390 kernel/workqueue.c:2672
rescuer_thread+0x3ed/0x10a0 kernel/workqueue.c:3470
kthread+0x2f0/0x390 kernel/kthread.c:389
ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:147
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
net_ratelimit: 20786 callbacks suppressed
bridge0: received packet on bridge_slave_1 with own address as source address (addr:aa:aa:aa:aa:aa:1c, vlan:0)
bridge0: received packet on bridge_slave_1 with own address as source address (addr:aa:aa:aa:aa:aa:0c, vlan:0)
bridge0: received packet on veth1_to_bridge with own address as source address (addr:c6:3c:c7:b2:2a:21, vlan:0)
bridge0: received packet on bridge_slave_1 with own address as source address (addr:aa:aa:aa:aa:aa:0c, vlan:0)
bridge0: received packet on bridge_slave_1 with own address as source address (addr:aa:aa:aa:aa:aa:1c, vlan:0)
bridge0: received packet on veth1_to_bridge with own address as source address (addr:aa:aa:aa:aa:aa:0c, vlan:0)
bridge0: received packet on veth1_to_bridge with own address as source address (addr:c6:3c:c7:b2:2a:21, vlan:0)
bridge0: received packet on veth1_to_bridge with own address as source address (addr:aa:aa:aa:aa:aa:0c, vlan:0)
bridge0: received packet on bridge_slave_1 with own address as source address (addr:aa:aa:aa:aa:aa:1c, vlan:0)
bridge0: received packet on bridge_slave_1 with own address as source address (addr:aa:aa:aa:aa:aa:0c, vlan:0)
net_ratelimit: 24952 callbacks suppressed
bridge0: received packet on veth1_to_bridge with own address as source address (addr:c6:3c:c7:b2:2a:21, vlan:0)
bridge0: received packet on bridge_slave_1 with own address as source address (addr:aa:aa:aa:aa:aa:0c, vlan:0)
bridge0: received packet on bridge_slave_1 with own address as source address (addr:aa:aa:aa:aa:aa:1c, vlan:0)
bridge0: received packet on veth1_to_bridge with own address as source address (addr:aa:aa:aa:aa:aa:0c, vlan:0)
bridge0: received packet on veth1_to_bridge with own address as source address (addr:c6:3c:c7:b2:2a:21, vlan:0)
bridge0: received packet on veth1_to_bridge with own address as source address (addr:aa:aa:aa:aa:aa:0c, vlan:0)
bridge0: received packet on bridge_slave_1 with own address as source address (addr:aa:aa:aa:aa:aa:1c, vlan:0)
bridge0: received packet on bridge_slave_1 with own address as source address (addr:aa:aa:aa:aa:aa:0c, vlan:0)
bridge0: received packet on veth1_to_bridge with own address as source address (addr:c6:3c:c7:b2:2a:21, vlan:0)
bridge0: received packet on bridge_slave_1 with own address as source address (addr:aa:aa:aa:aa:aa:0c, vlan:0)