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 bridge_slave_0 with own address as source address (addr:aa:aa:aa:aa:aa:1b, vlan:0)
rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
rcu: Tasks blocked on level-0 rcu_node (CPUs 0-1): P23145/1:b..l P23142/1:b..l
rcu: (detected by 0, t=10502 jiffies, g=177033, q=1362 ncpus=1)
task:syz.6.3469 state:R running task stack:27600 pid:23142 tgid:23141 ppid:19146 task_flags:0x400140 flags:0x00080000
Call Trace:
context_switch kernel/sched/core.c:5298 [inline]
__schedule+0xfee/0x6120 kernel/sched/core.c:6911
preempt_schedule_irq+0x50/0x90 kernel/sched/core.c:7238
irqentry_exit+0x17b/0x670 kernel/entry/common.c:239
asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:697
RIP: 0010:unwind_next_frame+0x11de/0x1ea0 arch/x86/kernel/unwind_orc.c:532
Code: ff ff 80 3d af 86 0a 0f 00 0f 85 85 f1 ff ff e9 d0 40 69 ff 48 b8 00 00 00 00 00 fc ff df 48 8b 14 24 48 c1 ea 03 80 3c 02 00 <0f> 85 02 09 00 00 48 89 c8 4d 8b 7d 38 48 ba 00 00 00 00 00 fc ff
RSP: 0018:ffffc900052bf1b8 EFLAGS: 00000246
RAX: dffffc0000000000 RBX: 0000000000000001 RCX: ffffffff9208d1a2
RDX: 1ffff92000a57e4c RSI: 0000000000000001 RDI: ffffffff91524678
RBP: ffffc900052bf270 R08: ffffffff9208d1a6 R09: 0000000000000007
R10: 0000000000000200 R11: 0000000000085857 R12: ffffc900052bf278
R13: ffffc900052bf228 R14: 0000000000000005 R15: 0000000000000000
arch_stack_walk+0x94/0xf0 arch/x86/kernel/stacktrace.c:25
stack_trace_save+0x8e/0xc0 kernel/stacktrace.c:122
kasan_save_stack+0x30/0x50 mm/kasan/common.c:57
kasan_save_track+0x14/0x30 mm/kasan/common.c:78
kasan_save_free_info+0x3b/0x70 mm/kasan/generic.c:584
poison_slab_object mm/kasan/common.c:253 [inline]
__kasan_slab_free+0x5f/0x80 mm/kasan/common.c:285
kasan_slab_free include/linux/kasan.h:235 [inline]
slab_free_hook mm/slub.c:2685 [inline]
slab_free mm/slub.c:6165 [inline]
kmem_cache_free+0x124/0x6a0 mm/slub.c:6295
skb_kfree_head net/core/skbuff.c:1087 [inline]
skb_kfree_head net/core/skbuff.c:1084 [inline]
skb_free_head+0x1c6/0x220 net/core/skbuff.c:1101
skb_release_data+0x79b/0x9d0 net/core/skbuff.c:1128
skb_release_all net/core/skbuff.c:1203 [inline]
__kfree_skb net/core/skbuff.c:1217 [inline]
consume_skb net/core/skbuff.c:1450 [inline]
consume_skb+0xc4/0x110 net/core/skbuff.c:1444
netlink_broadcast_filtered+0x3cc/0xf50 net/netlink/af_netlink.c:1535
netlink_broadcast+0x39/0x50 net/netlink/af_netlink.c:1557
uevent_net_broadcast_tagged lib/kobject_uevent.c:373 [inline]
kobject_uevent_net_broadcast lib/kobject_uevent.c:413 [inline]
kobject_uevent_env+0x1313/0x18b0 lib/kobject_uevent.c:608
device_add+0x116e/0x1950 drivers/base/core.c:3672
netdev_register_kobject+0x1a9/0x3d0 net/core/net-sysfs.c:2358
register_netdevice+0x12e0/0x2210 net/core/dev.c:11441
__ip_tunnel_create+0x52b/0x670 net/ipv4/ip_tunnel.c:268
ip_tunnel_init_net+0x230/0x780 net/ipv4/ip_tunnel.c:1147
ops_init+0x1e2/0x5f0 net/core/net_namespace.c:137
setup_net+0x118/0x3a0 net/core/net_namespace.c:446
copy_net_ns+0x46f/0x7c0 net/core/net_namespace.c:581
create_new_namespaces+0x3ea/0xac0 kernel/nsproxy.c:130
unshare_nsproxy_namespaces+0xc3/0x1f0 kernel/nsproxy.c:226
ksys_unshare+0x473/0xad0 kernel/fork.c:3173
__do_sys_unshare kernel/fork.c:3244 [inline]
__se_sys_unshare kernel/fork.c:3242 [inline]
__x64_sys_unshare+0x31/0x40 kernel/fork.c:3242
do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
do_syscall_64+0x106/0xf80 arch/x86/entry/syscall_64.c:94
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f8bfc79c819
RSP: 002b:00007f8bfd6af028 EFLAGS: 00000246 ORIG_RAX: 0000000000000110
RAX: ffffffffffffffda RBX: 00007f8bfca15fa0 RCX: 00007f8bfc79c819
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000040000080
RBP: 00007f8bfc832c91 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f8bfca16038 R14: 00007f8bfca15fa0 R15: 00007fff86311658
task:syz.6.3469 state:R running task stack:27096 pid:23145 tgid:23141 ppid:19146 task_flags:0x400140 flags:0x00080000
Call Trace:
context_switch kernel/sched/core.c:5298 [inline]
__schedule+0xfee/0x6120 kernel/sched/core.c:6911
preempt_schedule_irq+0x50/0x90 kernel/sched/core.c:7238
irqentry_exit+0x17b/0x670 kernel/entry/common.c:239
asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:697
RIP: 0010:__page_table_check_zero+0x191/0x410 mm/page_table_check.c:142
Code: df e8 83 23 f3 ff 48 89 d8 48 c1 e8 03 42 0f b6 14 30 48 89 d8 83 e0 07 83 c0 03 38 d0 7c 08 84 d2 0f 85 43 02 00 00 44 8b 3b <31> ff 44 89 fe e8 55 80 87 ff 45 85 ff 0f 85 d1 00 00 00 e8 97 85
RSP: 0018:ffffc900057b6fa8 EFLAGS: 00000246
RAX: 0000000000000003 RBX: ffff8880200d6f08 RCX: ffffffff8280c32d
RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffff8880200d6f08
RBP: 0000000000000000 R08: 0000000000000000 R09: ffffed100401ade1
R10: ffff8880200d6f0b R11: 0000000000000000 R12: ffff8880200d6ec0
R13: 0000000000000001 R14: dffffc0000000000 R15: 0000000000000000
page_table_check_alloc include/linux/page_table_check.h:38 [inline]
post_alloc_hook+0x140/0x170 mm/page_alloc.c:1890
prep_new_page mm/page_alloc.c:1897 [inline]
get_page_from_freelist+0x111d/0x3140 mm/page_alloc.c:3962
__alloc_frozen_pages_noprof+0x27c/0x2ba0 mm/page_alloc.c:5250
alloc_pages_mpol+0x1fb/0x550 mm/mempolicy.c:2490
alloc_frozen_pages_noprof mm/mempolicy.c:2561 [inline]
alloc_pages_noprof+0x136/0x390 mm/mempolicy.c:2581
pagetable_alloc_noprof include/linux/mm.h:3404 [inline]
__pud_alloc_one_noprof include/asm-generic/pgalloc.h:181 [inline]
pud_alloc_one_noprof include/asm-generic/pgalloc.h:206 [inline]
__pud_alloc+0x3b/0x690 mm/memory.c:6686
pud_alloc include/linux/mm.h:3314 [inline]
copy_pud_range mm/memory.c:1422 [inline]
copy_p4d_range mm/memory.c:1466 [inline]
copy_page_range+0x3f74/0x6600 mm/memory.c:1552
dup_mmap+0xd25/0x2180 mm/mmap.c:1841
dup_mm kernel/fork.c:1531 [inline]
copy_mm kernel/fork.c:1583 [inline]
copy_process+0x7523/0x7a40 kernel/fork.c:2223
kernel_clone+0xfc/0x9a0 kernel/fork.c:2653
__do_sys_clone3+0x214/0x290 kernel/fork.c:2955
do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
do_syscall_64+0x106/0xf80 arch/x86/entry/syscall_64.c:94
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f8bfc79c819
RSP: 002b:00007f8bfd68def8 EFLAGS: 00000246 ORIG_RAX: 00000000000001b3
RAX: ffffffffffffffda RBX: 0000000000000058 RCX: 00007f8bfc79c819
RDX: 00007f8bfd68df10 RSI: 0000000000000058 RDI: 00007f8bfd68df10
RBP: 00007f8bfc832c91 R08: 0000000000000000 R09: 0000000000000058
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f8bfca16128 R14: 00007f8bfca16090 R15: 00007fff86311658
net_ratelimit: 4216 callbacks suppressed
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 bridge_slave_0 with own address as source address (addr:aa:aa:aa:aa:aa:1b, 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 bridge_slave_0 with own address as source address (addr:aa:aa:aa:aa:aa:1b, 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 bridge_slave_0 with own address as source address (addr:aa:aa:aa:aa:aa:1b, 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 bridge_slave_0 with own address as source address (addr:aa:aa:aa:aa:aa:1b, 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 bridge_slave_0 with own address as source address (addr:aa:aa:aa:aa:aa:1b, vlan:0)
net_ratelimit: 4226 callbacks suppressed
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 bridge_slave_0 with own address as source address (addr:aa:aa:aa:aa:aa:1b, 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 bridge_slave_0 with own address as source address (addr:aa:aa:aa:aa:aa:1b, 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 bridge_slave_0 with own address as source address (addr:aa:aa:aa:aa:aa:1b, 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 bridge_slave_0 with own address as source address (addr:aa:aa:aa:aa:aa:1b, 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 bridge_slave_0 with own address as source address (addr:aa:aa:aa:aa:aa:1b, vlan:0)