bridge0: received packet on veth0_to_bridge 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): P6271/1:b..l P6482/1:b..l
rcu: (detected by 1, t=10503 jiffies, g=18133, q=1254 ncpus=2)
task:syz.2.124 state:R running task stack:26328 pid:6482 tgid:6481 ppid:5824 task_flags:0x400140 flags:0x00080002
Call Trace:
context_switch kernel/sched/core.c:5382 [inline]
__schedule+0x10e9/0x6820 kernel/sched/core.c:7183
preempt_schedule_irq+0x50/0x90 kernel/sched/core.c:7507
irqentry_exit+0x27e/0x740 kernel/entry/common.c:240
asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:697
RIP: 0010:unwind_next_frame+0x1673/0x2090 arch/x86/kernel/unwind_orc.c:694
Code: 00 00 fc ff df 80 3c 02 00 0f 84 42 f9 ff ff 4c 89 e7 e8 a0 1c bc 00 e9 35 f9 ff 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 29 06 00 00 49 8d 7d 08 49 8b 5d 38
RSP: 0018:ffffc900056e70b8 EFLAGS: 00000246
RAX: dffffc0000000000 RBX: 0000000000000001 RCX: ffffffff918b165e
RDX: ffffc900056e7160 RSI: ffffc900056e7b00 RDI: ffffc900056e7168
RBP: ffff88807e0336c0 R08: 0000000000000001 R09: 0000000000000007
R10: 0000000000000200 R11: 0000000000019967 R12: ffffc900056e7178
R13: ffffc900056e7128 R14: ffffc900056e7b30 R15: ffffc900056e715c
arch_stack_walk+0x94/0xf0 arch/x86/kernel/stacktrace.c:25
stack_trace_save+0x8e/0xc0 kernel/stacktrace.c:122
save_stack+0x162/0x1e0 mm/page_owner.c:165
__reset_page_owner+0x84/0x190 mm/page_owner.c:320
reset_page_owner include/linux/page_owner.h:25 [inline]
__free_pages_prepare mm/page_alloc.c:1433 [inline]
__free_frozen_pages+0x7e1/0x10d0 mm/page_alloc.c:2978
qlink_free mm/kasan/quarantine.c:163 [inline]
qlist_free_all+0x47/0xe0 mm/kasan/quarantine.c:179
kasan_quarantine_reduce+0x1a0/0x1f0 mm/kasan/quarantine.c:286
__kasan_slab_alloc+0x69/0x90 mm/kasan/common.c:350
kasan_slab_alloc include/linux/kasan.h:253 [inline]
slab_post_alloc_hook mm/slub.c:4538 [inline]
slab_alloc_node mm/slub.c:4866 [inline]
kmem_cache_alloc_node_noprof+0x25a/0x6f0 mm/slub.c:4918
kmalloc_reserve+0x148/0x350 net/core/skbuff.c:613
__alloc_skb+0x185/0x710 net/core/skbuff.c:713
alloc_skb include/linux/skbuff.h:1383 [inline]
nlmsg_new include/net/netlink.h:1055 [inline]
inet6_netconf_notify_devconf+0x9d/0x170 net/ipv6/addrconf.c:592
dev_forward_change+0x64c/0xb40 net/ipv6/addrconf.c:846
addrconf_forward_change net/ipv6/addrconf.c:867 [inline]
addrconf_fixup_forwarding net/ipv6/addrconf.c:903 [inline]
addrconf_sysctl_forward+0x5ab/0x880 net/ipv6/addrconf.c:6350
proc_sys_call_handler+0x47f/0x5a0 fs/proc/proc_sysctl.c:600
iter_file_splice_write+0x830/0x10a0 fs/splice.c:736
do_splice_from fs/splice.c:936 [inline]
direct_splice_actor+0x192/0x6c0 fs/splice.c:1159
splice_direct_to_actor+0x345/0xa30 fs/splice.c:1103
do_splice_direct_actor fs/splice.c:1202 [inline]
do_splice_direct+0x174/0x240 fs/splice.c:1228
do_sendfile+0xadc/0xe20 fs/read_write.c:1372
__do_sys_sendfile64 fs/read_write.c:1433 [inline]
__se_sys_sendfile64 fs/read_write.c:1419 [inline]
__x64_sys_sendfile64+0x1d8/0x220 fs/read_write.c:1419
do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
do_syscall_64+0x10b/0xf80 arch/x86/entry/syscall_64.c:94
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fea25d9c819
RSP: 002b:00007fea26d06028 EFLAGS: 00000246 ORIG_RAX: 0000000000000028
RAX: ffffffffffffffda RBX: 00007fea26015fa0 RCX: 00007fea25d9c819
RDX: 0000000000000000 RSI: 0000000000000004 RDI: 0000000000000002
RBP: 00007fea25e32c91 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000001000200 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fea26016038 R14: 00007fea26015fa0 R15: 00007ffd3c935da8
task:syz.2.80 state:R running task stack:22248 pid:6271 tgid:6271 ppid:5824 task_flags:0x40064c flags:0x00080001
Call Trace:
context_switch kernel/sched/core.c:5382 [inline]
__schedule+0x10e9/0x6820 kernel/sched/core.c:7183
preempt_schedule_irq+0x50/0x90 kernel/sched/core.c:7507
irqentry_exit+0x27e/0x740 kernel/entry/common.c:240
asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:697
RIP: 0010:rcu_is_watching+0x80/0xc0 kernel/rcu/tree.c:753
Code: 89 da 48 c1 ea 03 0f b6 14 02 48 89 d8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 24 8b 03 c1 e8 02 83 e0 01 65 ff 0d 30 43 22 12 <74> 07 5b 5d e9 d7 9d a4 09 e8 e2 57 89 ff 5b 5d e9 cb 9d a4 09 48
RSP: 0018:ffffc90005637280 EFLAGS: 00000286
RAX: 0000000000000001 RBX: ffff8880b8433d68 RCX: ffffffff8242d981
RDX: 0000000000000000 RSI: ffffffff8c1b3ce0 RDI: ffffffff8e1368e0
RBP: 0000000000000000 R08: 0000000000000005 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: ffffea0001293000
R13: ffff888057431e40 R14: dffffc0000000000 R15: 0000000000000000
rcu_read_lock_held_common kernel/rcu/update.c:109 [inline]
rcu_read_lock_held+0x1e/0x50 kernel/rcu/update.c:349
xa_entry include/linux/xarray.h:1226 [inline]
xas_reload include/linux/xarray.h:1624 [inline]
find_get_entry mm/filemap.c:2084 [inline]
find_lock_entries+0x874/0x1130 mm/filemap.c:2171
shmem_undo_range+0x212/0x1570 mm/shmem.c:1131
shmem_truncate_range mm/shmem.c:1277 [inline]
shmem_evict_inode+0x3f3/0xc40 mm/shmem.c:1407
evict+0x3c2/0xad0 fs/inode.c:841
iput_final fs/inode.c:1960 [inline]
iput.part.0+0x605/0xf50 fs/inode.c:2009
iput+0x35/0x40 fs/inode.c:1975
dentry_unlink_inode+0x2a1/0x490 fs/dcache.c:467
__dentry_kill+0x1d0/0x600 fs/dcache.c:670
finish_dput+0x76/0x480 fs/dcache.c:879
dput.part.0+0x456/0x570 fs/dcache.c:928
dput+0x1f/0x30 fs/dcache.c:920
__fput+0x519/0xb50 fs/file_table.c:518
task_work_run+0x150/0x240 kernel/task_work.c:233
exit_task_work include/linux/task_work.h:40 [inline]
do_exit+0x8cf/0x2b50 kernel/exit.c:976
do_group_exit+0xd5/0x2a0 kernel/exit.c:1118
get_signal+0x1ec7/0x21e0 kernel/signal.c:3038
arch_do_signal_or_restart+0x91/0x770 arch/x86/kernel/signal.c:337
__exit_to_user_mode_loop kernel/entry/common.c:64 [inline]
exit_to_user_mode_loop kernel/entry/common.c:98 [inline]
__exit_to_user_mode_prepare include/linux/irq-entry-common.h:238 [inline]
irqentry_exit_to_user_mode_prepare include/linux/irq-entry-common.h:283 [inline]
irqentry_exit_to_user_mode include/linux/irq-entry-common.h:352 [inline]
irqentry_exit+0x3dc/0x740 kernel/entry/common.c:219
asm_exc_page_fault+0x26/0x30 arch/x86/include/asm/idtentry.h:618
RIP: 0033:0x0
RSP: 002b:0000000000000208 EFLAGS: 00010217
RAX: 0000000000000000 RBX: 00007fea26015fa0 RCX: 00007fea25d9c819
RDX: 00002000000000c0 RSI: 0000000000000200 RDI: 0000000000000001
RBP: 00007fea25e32c91 R08: 0000000000000003 R09: 0000000000000000
R10: 0000200000000100 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fea26016038 R14: 00007fea26015fa0 R15: 00007ffd3c935da8
bridge0: received packet on veth0_to_bridge with own address as source address (addr:aa:aa:aa:aa:aa:0c, vlan:0)
bridge0: received packet on bridge_slave_0 with own address as source address (addr:aa:aa:aa:aa:aa:0c, vlan:0)
bridge0: received packet on veth0_to_bridge with own address as source address (addr:aa:aa:aa:aa:aa:0c, vlan:0)
bridge0: received packet on veth0_to_bridge with own address as source address (addr:aa:aa:aa:aa:aa:0c, vlan:0)
bridge0: received packet on bridge_slave_0 with own address as source address (addr:aa:aa:aa:aa:aa:0c, vlan:0)
bridge0: received packet on veth0_to_bridge with own address as source address (addr:aa:aa:aa:aa:aa:0c, vlan:0)
bridge0: received packet on bridge_slave_0 with own address as source address (addr:aa:aa:aa:aa:aa:0c, vlan:0)
bridge0: received packet on bridge_slave_0 with own address as source address (addr:aa:aa:aa:aa:aa:0c, vlan:0)
bridge0: received packet on veth0_to_bridge with own address as source address (addr:aa:aa:aa:aa:aa:0c, vlan:0)
bridge0: received packet on bridge_slave_0 with own address as source address (addr:aa:aa:aa:aa:aa:0c, vlan:0)