bridge0: received packet on veth0_to_batadv with own address as source address (addr:00:20:10:00:00:00, vlan:0)
bridge0: received packet on veth0_to_batadv 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): P14463
	(detected by 1, t=10502 jiffies, g=39109, q=1453)
task:syz.8.2889      state:R  running task     stack:27024 pid:14463 ppid:  7809 flags:0x0000400c
Call Trace:
 <TASK>
 </TASK>
rcu: rcu_preempt kthread timer wakeup didn't happen for 10501 jiffies! g39109 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x402
rcu: 	Possible timer handling issue on cpu=0 timer-softirq=19921
rcu: rcu_preempt kthread starved for 10502 jiffies! g39109 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x402 ->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:I stack:27792 pid:   15 ppid:     2 flags:0x00004000
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5049 [inline]
 __schedule+0x11c3/0x4350 kernel/sched/core.c:6395
 schedule+0x11b/0x1e0 kernel/sched/core.c:6478
 schedule_timeout+0x184/0x2d0 kernel/time/timer.c:2117
 rcu_gp_fqs_loop+0x2be/0x11f0 kernel/rcu/tree.c:1972
 rcu_gp_kthread+0x9a/0x370 kernel/rcu/tree.c:2145
 kthread+0x42e/0x520 kernel/kthread.c:334
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:287
 </TASK>
rcu: Stack dump where RCU GP kthread last ran:
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 PID: 14463 Comm: syz.8.2889 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/06/2026
RIP: 0010:__preempt_count_add kernel/rcu/tree.c:1119 [inline]
RIP: 0010:rcu_is_watching+0x4/0xa0 kernel/rcu/tree.c:1122
Code: 3b 44 24 70 75 1b 48 8d 65 e8 5b 41 5e 41 5f 5d c3 e8 00 c2 64 08 41 f7 c7 00 02 00 00 75 bd eb bc e8 e0 c1 64 08 41 57 41 56 <53> 65 ff 05 4c a6 9d 7e e8 4f d2 64 08 89 c3 83 f8 08 73 5c 49 bf
RSP: 0018:ffffc90002eefbd0 EFLAGS: 00000002
RAX: ffffffff817f5c28 RBX: 0000000000000001 RCX: ffff88802d599dc0
RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000002
RBP: 0000000000000000 R08: ffffffff8e6d322f R09: 1ffffffff1cda645
R10: dffffc0000000000 R11: fffffbfff1cda646 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
FS:  000055557ae5e500(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f98894a7ce0 CR3: 000000007d589000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600
Call Trace:
 <TASK>
 trace_irq_disable include/trace/events/preemptirq.h:36 [inline]
 trace_hardirqs_off_finish+0xc1/0x1f0 kernel/trace/trace_preemptirq.c:67
 irqentry_enter+0x33/0x50 kernel/entry/common.c:387
 sysvec_irq_work+0xa/0xc0 arch/x86/kernel/irq_work.c:17
 asm_sysvec_irq_work+0x16/0x20 arch/x86/include/asm/idtentry.h:713
RIP: 0010:rcu_read_unlock_special+0x7f/0x4a0 kernel/rcu/tree_plugin.h:674
Code: eb 03 48 b8 f1 f1 f1 f1 f8 f2 f2 f2 4a 89 04 2b 42 c7 44 2b 08 f8 f3 f3 f3 65 44 8b 35 d2 f6 9c 7e 41 f7 c6 00 00 f0 00 74 40 <48> c7 44 24 20 0e 36 e0 45 4a c7 04 2b 00 00 00 00 42 c7 44 2b 08
RSP: 0018:ffffc90002eefce0 EFLAGS: 00000206
RAX: 59f4e59b08271300 RBX: 1ffff920005ddfa0 RCX: 59f4e59b08271300
RDX: dffffc0000000000 RSI: ffffffff8a2b2b60 RDI: ffffffff8a7a5100
RBP: ffffc90002eefda8 R08: ffffffff910470cf R09: 1ffffffff2208e19
R10: dffffc0000000000 R11: fffffbfff2208e1a R12: 0000000000000000
R13: dffffc0000000000 R14: 0000000000000246 R15: ffffffff8d1234e0
 __rcu_read_unlock+0x78/0xd0 kernel/rcu/tree_plugin.h:422
 rcu_read_unlock+0x85/0x90 include/linux/rcupdate.h:772
 dput+0xc0/0x1a0 fs/dcache.c:886
 __fput+0x5a5/0x8c0 fs/file_table.c:319
 task_work_run+0x125/0x1a0 kernel/task_work.c:188
 tracehook_notify_resume include/linux/tracehook.h:189 [inline]
 exit_to_user_mode_loop+0x10f/0x130 kernel/entry/common.c:184
 exit_to_user_mode_prepare+0xee/0x180 kernel/entry/common.c:217
 __syscall_exit_to_user_mode_work kernel/entry/common.c:299 [inline]
 syscall_exit_to_user_mode+0x16/0x40 kernel/entry/common.c:310
 do_syscall_64+0x58/0xa0 arch/x86/entry/common.c:86
 entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7f98894604d9
Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fff95209d78 EFLAGS: 00000246 ORIG_RAX: 00000000000001b4
RAX: 0000000000000000 RBX: 00007f98896deda0 RCX: 00007f98894604d9
RDX: 0000000000000000 RSI: 000000000000001e RDI: 0000000000000003
RBP: 00007f98896deda0 R08: 0000000000000006 R09: 0000000000000000
R10: 00007f98896decb0 R11: 0000000000000246 R12: 000000000009e47f
R13: 00007f98896dd09c R14: 000000000009e300 R15: 00007fff95209e80
 </TASK>
net_ratelimit: 347 callbacks suppressed
bridge0: received packet on veth0_to_batadv with own address as source address (addr:00:20:10:00:00:00, vlan:0)
bridge0: received packet on veth0_to_batadv with own address as source address (addr:00:20:10:00:00:00, vlan:0)
bridge0: received packet on veth0_to_batadv with own address as source address (addr:00:20:10:00:00:00, vlan:0)
bridge0: received packet on veth0_to_batadv with own address as source address (addr:aa:aa:aa:aa:aa:0c, vlan:0)
bridge0: received packet on batadv_slave_0 with own address as source address (addr:aa:aa:aa:aa:aa:0c, vlan:0)
bridge0: received packet on batadv_slave_0 with own address as source address (addr:aa:aa:aa:aa:aa:3c, vlan:0)
bridge0: received packet on veth0_to_batadv with own address as source address (addr:00:20:10:00:00:00, vlan:0)
bridge0: received packet on batadv_slave_0 with own address as source address (addr:aa:aa:aa:aa:aa:3c, vlan:0)
bridge0: received packet on batadv_slave_0 with own address as source address (addr:aa:aa:aa:aa:aa:0c, vlan:0)
bridge0: received packet on veth0_to_batadv with own address as source address (addr:aa:aa:aa:aa:aa:0c, vlan:0)
net_ratelimit: 407 callbacks suppressed
bridge0: received packet on veth0_to_batadv with own address as source address (addr:00:20:10:00:00:00, vlan:0)
bridge0: received packet on veth0_to_batadv with own address as source address (addr:00:20:10:00:00:00, vlan:0)
bridge0: received packet on veth0_to_batadv with own address as source address (addr:aa:aa:aa:aa:aa:0c, vlan:0)
bridge0: received packet on batadv_slave_0 with own address as source address (addr:aa:aa:aa:aa:aa:0c, vlan:0)
bridge0: received packet on batadv_slave_0 with own address as source address (addr:aa:aa:aa:aa:aa:3c, vlan:0)
bridge0: received packet on veth0_to_batadv with own address as source address (addr:00:20:10:00:00:00, vlan:0)
bridge0: received packet on batadv_slave_0 with own address as source address (addr:aa:aa:aa:aa:aa:3c, vlan:0)
bridge0: received packet on batadv_slave_0 with own address as source address (addr:aa:aa:aa:aa:aa:0c, vlan:0)
bridge0: received packet on veth0_to_batadv with own address as source address (addr:aa:aa:aa:aa:aa:0c, vlan:0)
bridge0: received packet on veth0_to_batadv with own address as source address (addr:00:20:10:00:00:00, vlan:0)