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: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)
rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
rcu: Tasks blocked on level-0 rcu_node (CPUs 0-1): P5281/1:b..l
rcu: (detected by 0, t=10693 jiffies, g=83705, q=743 ncpus=2)
task:dhcpcd state:R running task stack:24960 pid:5281 tgid:5281 ppid:1 task_flags:0x400140 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:lock_acquire+0x232/0x350 kernel/locking/lockdep.c:5947
Code: ff ff ff e8 40 2c 43 0a f7 44 24 10 00 02 00 00 0f 84 38 ff ff ff 65 48 8b 05 62 27 f2 11 48 3b 44 24 50 75 33 fb 48 83 c4 58 <5b> 41 5c 41 5d 41 5e 41 5f 5d e9 7f 30 46 0a cc 48 8d 3d 87 60 da
RSP: 0018:ffffc90003526fa0 EFLAGS: 00000296
RAX: 79f8cf73c1041000 RBX: 0000000000000000 RCX: 0000000000000046
RDX: 0000000030f02d6b RSI: ffffffff8e69f015 RDI: ffffffff8c6dac80
RBP: ffff88802f113e80 R08: ffffffff8177f1df R09: 0000000000000000
R10: ffffc900035270d8 R11: ffffffff81b293f0 R12: ffffffff8ed5c920
R13: 0000000000000002 R14: 0000000000000000 R15: 0000000000000246
rcu_lock_acquire include/linux/rcupdate.h:309 [inline]
rcu_read_lock include/linux/rcupdate.h:849 [inline]
class_rcu_constructor include/linux/rcupdate.h:1216 [inline]
unwind_next_frame+0xac/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
save_stack+0x122/0x230 mm/page_owner.c:183
__reset_page_owner+0x71/0x1f0 mm/page_owner.c:338
reset_page_owner include/linux/page_owner.h:26 [inline]
__free_pages_prepare mm/page_alloc.c:1418 [inline]
__free_frozen_pages+0xc93/0xd90 mm/page_alloc.c:2962
__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_kmalloc+0x22/0xb0 mm/kasan/common.c:406
kasan_kmalloc include/linux/kasan.h:263 [inline]
__do_kmalloc_node mm/slub.c:5414 [inline]
__kmalloc_node_track_caller_noprof+0x4b4/0x720 mm/slub.c:5545
kmalloc_reserve net/core/skbuff.c:637 [inline]
__alloc_skb+0x2c1/0x7a0 net/core/skbuff.c:715
alloc_skb include/linux/skbuff.h:1384 [inline]
alloc_skb_with_frags+0xc6/0x760 net/core/skbuff.c:6799
sock_alloc_send_pskb+0x878/0x990 net/core/sock.c:3022
unix_dgram_sendmsg+0x4da/0x17b0 net/unix/af_unix.c:2144
sock_sendmsg_nosec+0x13a/0x180 net/socket.c:800
__sock_sendmsg net/socket.c:815 [inline]
sock_write_iter+0x2de/0x3e0 net/socket.c:1266
do_iter_readv_writev+0x612/0x8c0 fs/read_write.c:-1
vfs_writev+0x343/0x990 fs/read_write.c:1058
do_writev+0x154/0x2e0 fs/read_write.c:1104
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: 0033:0x7f789d1f6407
RSP: 002b:00007ffcccc99f90 EFLAGS: 00000202 ORIG_RAX: 0000000000000014
RAX: ffffffffffffffda RBX: 00007f789d16c780 RCX: 00007f789d1f6407
RDX: 0000000000000005 RSI: 00007ffcccc99ff0 RDI: 000000000000000a
RBP: 00005632ab3f1870 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000202 R12: 00005632d943e9f0
R13: 000000000000012c R14: 0000000000004801 R15: 00005632d9433034
rcu: rcu_preempt kthread starved for 5806 jiffies! g83705 f0x0 RCU_GP_WAIT_FQS(5) ->state=R ->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: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 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 UID: 0 PID: 14077 Comm: kworker/R-bond1 Not tainted syzkaller #0 PREEMPT(full)
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
Workqueue: bond10 bond_mii_monitor
RIP: 0010:in_softirq_really kernel/kcov.c:167 [inline]
RIP: 0010:check_kcov_mode kernel/kcov.c:179 [inline]
RIP: 0010:__sanitizer_cov_trace_pc+0x2e/0x80 kernel/kcov.c:213
Code: 48 8b 04 24 65 48 8b 0d f8 83 cd 11 65 48 8b 15 f8 83 cd 11 f7 c2 00 01 00 ff 74 29 89 d6 81 e6 00 01 00 0f 81 fe 00 01 00 00 <40> 0f 95 c6 81 fa 00 00 00 10 0f 93 c2 40 08 f2 75 35 83 b9 3c 17
RSP: 0018:ffffc90000a182d0 EFLAGS: 00000246
RAX: ffffffff8a926b72 RBX: ffff888037b334c8 RCX: ffff888033339f40
RDX: 8000000000000100 RSI: 0000000000000100 RDI: ffff888037b334c8
RBP: 000000000000001b R08: ffffc90000a185e0 R09: ffffc90000a185f0
R10: ffffc90000a18440 R11: fffff5200014308a R12: 0000000000000003
R13: dffffc0000000000 R14: ffff888037b33400 R15: 0000000000000001
FS: 0000000000000000(0000) GS:ffff888124dca000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fccc9a70050 CR3: 0000000079cea000 CR4: 00000000003526f0
Call Trace:
find_match+0x32/0xb40 net/ipv6/route.c:776
__find_rr_leaf+0x243/0x740 net/ipv6/route.c:873
find_rr_leaf net/ipv6/route.c:894 [inline]
rt6_select net/ipv6/route.c:938 [inline]
fib6_table_lookup+0x3c6/0xae0 net/ipv6/route.c:2261
ip6_pol_route+0x229/0x14d0 net/ipv6/route.c:2298
pol_lookup_func include/net/ip6_fib.h:672 [inline]
fib6_rule_lookup+0x512/0x6e0 net/ipv6/fib6_rules.c:123
ip6_route_input_lookup net/ipv6/route.c:2369 [inline]
ip6_route_input+0x78d/0xb20 net/ipv6/route.c:2672
ip6_rcv_finish+0x141/0x280 net/ipv6/ip6_input.c:117
NF_HOOK+0x336/0x3c0 include/linux/netfilter.h:325
__netif_receive_skb_one_core net/core/dev.c:6265 [inline]
__netif_receive_skb net/core/dev.c:6378 [inline]
process_backlog+0x795/0x18b0 net/core/dev.c:6729
__napi_poll+0xaa/0x330 net/core/dev.c:7798
napi_poll net/core/dev.c:7861 [inline]
net_rx_action+0x61d/0xf50 net/core/dev.c:8018
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:queue_delayed_work_on+0x17a/0x1e0 kernel/workqueue.c:2674
Code: 00 4d 85 f6 75 16 e8 75 8b 39 00 eb 15 e8 6e 8b 39 00 e8 59 14 58 0a 4d 85 f6 74 ea e8 5f 8b 39 00 fb 65 48 8b 05 7e 0f 07 12 <48> 3b 44 24 20 75 56 89 d8 48 83 c4 28 5b 41 5c 41 5d 41 5e 41 5f
RSP: 0018:ffffc90004f8f7c0 EFLAGS: 00000293
RAX: acce819d6904bb00 RBX: ffff88805296d201 RCX: ffff888033339f40
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000000008 R08: ffffffff907a5f7f R09: 1ffffffff20f4bef
R10: dffffc0000000000 R11: fffffbfff20f4bf0 R12: 0000000002000001
R13: 0000000000000000 R14: 0000000000000200 R15: 0000000000000000
queue_delayed_work include/linux/workqueue.h:715 [inline]
bond_mii_monitor+0x309d/0x3260 drivers/net/bonding/bond_main.c:2936
process_one_work kernel/workqueue.c:3396 [inline]
process_scheduled_works+0xc3d/0x1630 kernel/workqueue.c:3479
rescuer_thread+0x7c5/0x10e0 kernel/workqueue.c:3703
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
net_ratelimit: 8483 callbacks suppressed
bridge0: received packet on veth1_to_bridge with own address as source address (addr:32:d3:56:a8:e6:35, vlan:0)
bridge0: received packet on veth1_to_bridge with own address as source address (addr:32:d3:56:a8:e6:35, vlan:0)
bridge0: received packet on veth1_to_bridge with own address as source address (addr:32:d3:56:a8:e6:35, vlan:0)
bridge0: received packet on veth1_to_bridge with own address as source address (addr:32:d3:56:a8:e6:35, vlan:0)
bridge0: received packet on veth1_to_bridge with own address as source address (addr:32:d3:56:a8:e6:35, vlan:0)
bridge0: received packet on veth1_to_bridge with own address as source address (addr:32:d3:56:a8:e6:35, vlan:0)
bridge0: received packet on veth1_to_bridge with own address as source address (addr:32:d3:56:a8:e6:35, vlan:0)
bridge0: received packet on veth1_to_bridge with own address as source address (addr:32:d3:56:a8:e6:35, vlan:0)
bridge0: received packet on veth1_to_bridge with own address as source address (addr:32:d3:56:a8:e6:35, vlan:0)
bridge0: received packet on veth1_to_bridge with own address as source address (addr:32:d3:56:a8:e6:35, vlan:0)