bridge0: received packet on veth0_to_bridge with own address as source address (addr:1e:f0:e7:b6:db:43, vlan:0)
rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
rcu: Tasks blocked on level-0 rcu_node (CPUs 0-1): P5855/1:b..l
rcu: (detected by 1, t=10503 jiffies, g=20301, q=531 ncpus=2)
task:syz-executor state:R running task stack:19472 pid:5855 tgid:5855 ppid:1 flags:0x00004006
Call Trace:
context_switch kernel/sched/core.c:5369 [inline]
__schedule+0x1850/0x4c30 kernel/sched/core.c:6756
preempt_schedule_irq+0xfb/0x1c0 kernel/sched/core.c:7078
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_is_held_type+0x13b/0x190
Code: 75 44 48 c7 04 24 00 00 00 00 9c 8f 04 24 f7 04 24 00 02 00 00 75 4c 41 f7 c4 00 02 00 00 74 01 fb 65 48 8b 04 25 28 00 00 00 <48> 3b 44 24 08 75 42 89 d8 48 83 c4 10 5b 41 5c 41 5d 41 5e 41 5f
RSP: 0018:ffffc90003f2f770 EFLAGS: 00000206
RAX: 4b7ea9ceb5c96f00 RBX: 0000000000000001 RCX: 0000000080000000
RDX: 0000000000000000 RSI: ffffffff8c0aeb60 RDI: ffffffff8c6158a0
RBP: 0000000000000000 R08: ffffffff820d5a0e R09: 1ffffffff2864710
R10: dffffc0000000000 R11: fffffbfff2864711 R12: 0000000000000246
R13: ffff88802a8f0000 R14: 00000000ffffffff R15: ffffffff8e93c560
lookup_page_ext mm/page_ext.c:254 [inline]
page_ext_get+0x192/0x2a0 mm/page_ext.c:526
__reset_page_owner+0x30/0x430 mm/page_owner.c:290
reset_page_owner include/linux/page_owner.h:25 [inline]
free_pages_prepare mm/page_alloc.c:1127 [inline]
free_unref_page+0xdf9/0x1140 mm/page_alloc.c:2657
vfree+0x186/0x2e0 mm/vmalloc.c:3382
kcov_put kernel/kcov.c:439 [inline]
kcov_close+0x28/0x50 kernel/kcov.c:535
__fput+0x23c/0xa50 fs/file_table.c:450
task_work_run+0x24f/0x310 kernel/task_work.c:239
exit_task_work include/linux/task_work.h:43 [inline]
do_exit+0xa2f/0x28e0 kernel/exit.c:938
do_group_exit+0x207/0x2c0 kernel/exit.c:1087
get_signal+0x16b2/0x1750 kernel/signal.c:3016
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: 0033:0x7f5da3581b77
RSP: 002b:00007ffd4121abc8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
RAX: ffffffffffffffea RBX: 0000000000000000 RCX: 00007f5da3581b77
RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffd4121ac80
RBP: 00007ffd4121ac80 R08: 0000000000000000 R09: 0000000000000000
R10: 00000000ffffffff R11: 0000000000000246 R12: 00007ffd4121bd00
R13: 00007f5da35f3824 R14: 0000000000024791 R15: 00007ffd4121bd40
rcu: rcu_preempt kthread starved for 6013 jiffies! g20301 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->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:25976 pid:17 tgid:17 ppid:2 flags:0x00004000
Call Trace:
context_switch kernel/sched/core.c:5369 [inline]
__schedule+0x1850/0x4c30 kernel/sched/core.c:6756
__schedule_loop kernel/sched/core.c:6833 [inline]
schedule+0x14b/0x320 kernel/sched/core.c:6848
schedule_timeout+0x15a/0x290 kernel/time/sleep_timeout.c:99
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 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 UID: 0 PID: 16 Comm: ksoftirqd/0 Not tainted 6.12.0-syzkaller-10695-ga747e02430df #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
RIP: 0010:unwind_next_frame+0x177a/0x22d0 arch/x86/kernel/unwind_orc.c:648
Code: 8b 54 24 10 48 8d 5a 02 48 83 c2 03 48 89 d8 48 c1 e8 03 0f b6 04 28 84 c0 0f 85 81 0a 00 00 48 89 d0 48 c1 e8 03 0f b6 04 28 <84> c0 0f 85 93 0a 00 00 48 0f bf 03 48 8b 34 24 48 01 c6 49 8d 55
RSP: 0018:ffffc90000156c90 EFLAGS: 00000a03
RAX: 0000000000000000 RBX: ffffffff9126f574 RCX: 0000000000000000
RDX: ffffffff9126f575 RSI: 0000000000000001 RDI: ffffc90000156dc0
RBP: dffffc0000000000 R08: ffffc90000156dbf R09: 0000000000000000
R10: ffffc90000156db0 R11: fffff5200002adb8 R12: ffffc90000158000
R13: ffffc90000156d60 R14: ffffffff899fd8ab R15: ffffc90000156db0
FS: 0000000000000000(0000) GS:ffff8880b8600000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f3fc3800210 CR3: 00000000344bc000 CR4: 00000000003526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
arch_stack_walk+0x11c/0x150 arch/x86/kernel/stacktrace.c:25
stack_trace_save+0x118/0x1d0 kernel/stacktrace.c:122
kasan_save_stack mm/kasan/common.c:47 [inline]
kasan_save_track+0x3f/0x80 mm/kasan/common.c:68
unpoison_slab_object mm/kasan/common.c:319 [inline]
__kasan_slab_alloc+0x66/0x80 mm/kasan/common.c:345
kasan_slab_alloc include/linux/kasan.h:250 [inline]
slab_post_alloc_hook mm/slub.c:4104 [inline]
slab_alloc_node mm/slub.c:4153 [inline]
kmem_cache_alloc_noprof+0x1d9/0x380 mm/slub.c:4160
__skb_ext_alloc net/core/skbuff.c:6924 [inline]
skb_ext_add+0x14d/0x910 net/core/skbuff.c:7027
nf_bridge_alloc include/net/netfilter/br_netfilter.h:12 [inline]
br_nf_pre_routing_ipv6+0x131/0x770 net/bridge/br_netfilter_ipv6.c:172
nf_hook_entry_hookfn include/linux/netfilter.h:154 [inline]
nf_hook_bridge_pre net/bridge/br_input.c:277 [inline]
br_handle_frame+0x9fd/0x1530 net/bridge/br_input.c:424
__netif_receive_skb_core+0x14eb/0x4690 net/core/dev.c:5566
__netif_receive_skb_one_core net/core/dev.c:5670 [inline]
__netif_receive_skb+0x12f/0x650 net/core/dev.c:5785
process_backlog+0x662/0x15b0 net/core/dev.c:6117
__napi_poll+0xcb/0x490 net/core/dev.c:6877
napi_poll net/core/dev.c:6946 [inline]
net_rx_action+0x89b/0x1240 net/core/dev.c:7068
handle_softirqs+0x2c5/0x980 kernel/softirq.c:554
run_ksoftirqd+0xca/0x130 kernel/softirq.c:943
smpboot_thread_fn+0x544/0xa30 kernel/smpboot.c:164
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: 20830 callbacks suppressed
bridge0: received packet on veth0_to_bridge with own address as source address (addr:1e:f0:e7:b6:db:43, vlan:0)
bridge0: received packet on bridge_slave_0 with own address as source address (addr:aa:aa:aa:aa:aa:1b, vlan:0)
bridge0: received packet on veth0_to_bridge with own address as source address (addr:1e:f0:e7:b6:db:43, vlan:0)
bridge0: received packet on bridge_slave_0 with own address as source address (addr:aa:aa:aa:aa:aa:1b, vlan:0)
bridge0: received packet on veth0_to_bridge with own address as source address (addr:1e:f0:e7:b6:db:43, vlan:0)
bridge0: received packet on bridge_slave_0 with own address as source address (addr:aa:aa:aa:aa:aa:1b, vlan:0)
bridge0: received packet on veth0_to_bridge with own address as source address (addr:1e:f0:e7:b6:db:43, vlan:0)
bridge0: received packet on bridge_slave_0 with own address as source address (addr:aa:aa:aa:aa:aa:1b, vlan:0)
bridge0: received packet on veth0_to_bridge with own address as source address (addr:1e:f0:e7:b6:db:43, vlan:0)
bridge0: received packet on bridge_slave_0 with own address as source address (addr:aa:aa:aa:aa:aa:1b, vlan:0)
net_ratelimit: 27603 callbacks suppressed
bridge0: received packet on veth0_to_bridge with own address as source address (addr:1e:f0:e7:b6:db:43, vlan:0)
bridge0: received packet on bridge_slave_0 with own address as source address (addr:aa:aa:aa:aa:aa:1b, vlan:0)
bridge0: received packet on veth0_to_bridge with own address as source address (addr:1e:f0:e7:b6:db:43, vlan:0)
bridge0: received packet on bridge_slave_0 with own address as source address (addr:aa:aa:aa:aa:aa:1b, vlan:0)
bridge0: received packet on veth0_to_bridge with own address as source address (addr:1e:f0:e7:b6:db:43, vlan:0)
bridge0: received packet on bridge_slave_0 with own address as source address (addr:aa:aa:aa:aa:aa:1b, vlan:0)
bridge0: received packet on veth0_to_bridge with own address as source address (addr:1e:f0:e7:b6:db:43, vlan:0)
bridge0: received packet on bridge_slave_0 with own address as source address (addr:aa:aa:aa:aa:aa:1b, vlan:0)
bridge0: received packet on veth0_to_bridge with own address as source address (addr:1e:f0:e7:b6:db:43, vlan:0)
bridge0: received packet on bridge_slave_0 with own address as source address (addr:aa:aa:aa:aa:aa:1b, vlan:0)