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): P5165/2:b..l P4458/1:b..l
rcu: (detected by 1, t=10502 jiffies, g=14501, q=721 ncpus=2)
task:udevd state:R running task stack:26248 pid:4458 ppid:1 flags:0x00000002
Call Trace:
context_switch kernel/sched/core.c:5343 [inline]
__schedule+0xc9a/0x5880 kernel/sched/core.c:6669
preempt_schedule_irq+0x52/0x90 kernel/sched/core.c:6981
irqentry_exit+0x35/0x80 kernel/entry/common.c:433
asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:645
RIP: 0010:__kernel_text_address+0x2d/0x30 kernel/extable.c:92
Code: 00 53 48 89 fb e8 73 ff ff ff 85 c0 75 17 48 81 fb 00 40 d6 8f 72 0c 31 c0 48 81 fb 0a cf f0 8f 0f 92 c0 5b c3 b8 01 00 00 00 <5b> c3 90 66 0f 1f 00 48 81 ff 00 00 00 81 55 48 89 fd 72 09 48 81
RSP: 0018:ffffc900031af580 EFLAGS: 00000202
RAX: 0000000000000001 RBX: ffffffff81e05791 RCX: 0000000000000000
RDX: 1ffff92000635ebe RSI: 0000000000000001 RDI: ffffffff81e05791
RBP: ffffc900031af5f0 R08: ffffffff8f0665f4 R09: ffffc900031af6c8
R10: ffffc900031af5a8 R11: 0000000000094001 R12: ffffc900031af660
R13: 0000000000000000 R14: ffff88807c970000 R15: 0000003251ffd013
unwind_get_return_address arch/x86/kernel/unwind_orc.c:344 [inline]
unwind_get_return_address+0x55/0xa0 arch/x86/kernel/unwind_orc.c:339
arch_stack_walk+0x97/0xf0 arch/x86/kernel/stacktrace.c:26
stack_trace_save+0x90/0xc0 kernel/stacktrace.c:122
save_stack+0x151/0x1e0 mm/page_owner.c:128
__reset_page_owner+0x56/0x170 mm/page_owner.c:149
reset_page_owner include/linux/page_owner.h:24 [inline]
free_pages_prepare mm/page_alloc.c:1308 [inline]
free_unref_page_prepare+0x62e/0xcb0 mm/page_alloc.c:2577
free_unref_page+0x33/0x370 mm/page_alloc.c:2672
qlink_free mm/kasan/quarantine.c:166 [inline]
qlist_free_all+0x6a/0x170 mm/kasan/quarantine.c:185
kasan_quarantine_reduce+0x195/0x220 mm/kasan/quarantine.c:292
____kasan_kmalloc mm/kasan/common.c:340 [inline]
__kasan_kmalloc+0x86/0xb0 mm/kasan/common.c:383
kasan_kmalloc include/linux/kasan.h:196 [inline]
__do_kmalloc_node mm/slab_common.c:966 [inline]
__kmalloc+0x5e/0x190 mm/slab_common.c:979
kmalloc include/linux/slab.h:563 [inline]
kzalloc include/linux/slab.h:680 [inline]
tomoyo_encode2.part.0+0xe9/0x3a0 security/tomoyo/realpath.c:45
tomoyo_encode2 security/tomoyo/realpath.c:31 [inline]
tomoyo_encode+0x2c/0x50 security/tomoyo/realpath.c:80
tomoyo_realpath_from_path+0x185/0x600 security/tomoyo/realpath.c:283
tomoyo_get_realpath security/tomoyo/file.c:151 [inline]
tomoyo_path_perm+0x230/0x430 security/tomoyo/file.c:822
security_inode_getattr+0xd3/0x140 security/security.c:2114
vfs_getattr fs/stat.c:167 [inline]
vfs_statx+0x16e/0x430 fs/stat.c:242
vfs_fstatat+0x90/0xb0 fs/stat.c:276
__do_sys_newfstatat+0x8a/0x110 fs/stat.c:446
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x39/0xb0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f85e79165f4
RSP: 002b:00007ffede060678 EFLAGS: 00000246 ORIG_RAX: 0000000000000106
RAX: ffffffffffffffda RBX: 000055a34d2f7f50 RCX: 00007f85e79165f4
RDX: 00007ffede060688 RSI: 000055a34c8b2302 RDI: 00000000ffffff9c
RBP: 000055a34d2e0910 R08: 00000000ffffffff R09: 00007ffede1c6080
R10: 0000000000000000 R11: 0000000000000246 R12: 000055a34c8c65e8
R13: 000055a34d308a30 R14: 0000000000000000 R15: 0000000000000000
task:syz-fuzzer state:R running task stack:25240 pid:5165 ppid:4994 flags:0x00004002
Call Trace:
context_switch kernel/sched/core.c:5343 [inline]
__schedule+0xc9a/0x5880 kernel/sched/core.c:6669
preempt_schedule_common+0x45/0xb0 kernel/sched/core.c:6838
preempt_schedule_thunk+0x1a/0x20 arch/x86/entry/thunk_64.S:34
__local_bh_enable_ip+0x10d/0x130 kernel/softirq.c:388
local_bh_enable include/linux/bottom_half.h:33 [inline]
rcu_read_unlock_bh include/linux/rcupdate.h:818 [inline]
__dev_queue_xmit+0x1e20/0x3b10 net/core/dev.c:4271
dev_queue_xmit include/linux/netdevice.h:3088 [inline]
neigh_hh_output include/net/neighbour.h:528 [inline]
neigh_output include/net/neighbour.h:542 [inline]
ip_finish_output2+0x15a1/0x22b0 net/ipv4/ip_output.c:229
__ip_finish_output net/ipv4/ip_output.c:307 [inline]
__ip_finish_output+0x396/0x650 net/ipv4/ip_output.c:289
ip_finish_output+0x31/0x280 net/ipv4/ip_output.c:317
NF_HOOK_COND include/linux/netfilter.h:292 [inline]
ip_output+0x1a3/0x320 net/ipv4/ip_output.c:431
dst_output include/net/dst.h:458 [inline]
ip_local_out net/ipv4/ip_output.c:126 [inline]
__ip_queue_xmit+0x8d9/0x1c50 net/ipv4/ip_output.c:533
__tcp_transmit_skb+0x194b/0x3800 net/ipv4/tcp_output.c:1399
tcp_transmit_skb net/ipv4/tcp_output.c:1417 [inline]
tcp_write_xmit+0x1025/0x6160 net/ipv4/tcp_output.c:2693
__tcp_push_pending_frames+0xae/0x390 net/ipv4/tcp_output.c:2877
tcp_push+0x49d/0x720 net/ipv4/tcp.c:733
tcp_sendmsg_locked+0x1ff8/0x2960 net/ipv4/tcp.c:1459
tcp_sendmsg+0x2f/0x50 net/ipv4/tcp.c:1487
inet_sendmsg+0x9d/0xe0 net/ipv4/af_inet.c:827
sock_sendmsg_nosec net/socket.c:725 [inline]
sock_sendmsg+0xde/0x190 net/socket.c:748
sock_write_iter+0x29b/0x3d0 net/socket.c:1141
call_write_iter include/linux/fs.h:1872 [inline]
new_sync_write fs/read_write.c:491 [inline]
vfs_write+0x981/0xda0 fs/read_write.c:584
ksys_write+0x1e3/0x250 fs/read_write.c:637
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x39/0xb0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x403ace
RSP: 002b:000000c00a43b0c8 EFLAGS: 00000202 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000403ace
RDX: 0000000000000004 RSI: 000000c000228200 RDI: 0000000000000003
RBP: 000000c00a43b108 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000202 R12: 000000c00a43b248
R13: 0000000000000000 R14: 000000c0000061a0 R15: 000000c0000ae900
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)