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): P5819/1:b..l P14634/3:b..l
rcu: (detected by 1, t=10503 jiffies, g=44837, q=880 ncpus=2)
task:syz.1.4114 state:R running task stack:27248 pid:14634 tgid:14633 ppid:5822 flags:0x00004002
Call Trace:
context_switch kernel/sched/core.c:5369 [inline]
__schedule+0xe58/0x5ad0 kernel/sched/core.c:6756
preempt_schedule_common+0x44/0xc0 kernel/sched/core.c:6935
preempt_schedule_thunk+0x1a/0x30 arch/x86/entry/thunk.S:12
__raw_spin_unlock include/linux/spinlock_api_smp.h:143 [inline]
_raw_spin_unlock+0x3e/0x50 kernel/locking/spinlock.c:186
spin_unlock include/linux/spinlock.h:391 [inline]
filemap_map_pages+0xe4e/0x16b0 mm/filemap.c:3689
do_fault_around mm/memory.c:5280 [inline]
do_read_fault mm/memory.c:5313 [inline]
do_fault mm/memory.c:5456 [inline]
do_pte_missing+0xdab/0x3e70 mm/memory.c:3979
handle_pte_fault mm/memory.c:5801 [inline]
__handle_mm_fault+0x103c/0x2a40 mm/memory.c:5944
handle_mm_fault+0x3fa/0xaa0 mm/memory.c:6112
faultin_page mm/gup.c:1187 [inline]
__get_user_pages+0x8d9/0x3b50 mm/gup.c:1485
populate_vma_page_range+0x27f/0x3a0 mm/gup.c:1923
__mm_populate+0x1d6/0x380 mm/gup.c:2026
mm_populate include/linux/mm.h:3386 [inline]
vm_mmap_pgoff+0x293/0x360 mm/util.c:585
ksys_mmap_pgoff+0x7d/0x5c0 mm/mmap.c:542
__do_sys_mmap arch/x86/kernel/sys_x86_64.c:89 [inline]
__se_sys_mmap arch/x86/kernel/sys_x86_64.c:82 [inline]
__x64_sys_mmap+0x125/0x190 arch/x86/kernel/sys_x86_64.c:82
do_syscall_x64 arch/x86/entry/common.c:52 [inline]
do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fcfd697ff19
RSP: 002b:00007fcfd47f6058 EFLAGS: 00000246 ORIG_RAX: 0000000000000009
RAX: ffffffffffffffda RBX: 00007fcfd6b45fa0 RCX: 00007fcfd697ff19
RDX: 0000000002000003 RSI: 0000000000600000 RDI: 00000000209fd000
RBP: 00007fcfd69f3986 R08: ffffffffffffffff R09: 0000000000000000
R10: 0000000000006031 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000001 R14: 00007fcfd6b45fa0 R15: 00007ffe9b6f6cb8
task:syz-executor state:R running task stack:23568 pid:5819 tgid:5819 ppid:5815 flags:0x00000000
Call Trace:
context_switch kernel/sched/core.c:5369 [inline]
__schedule+0xe58/0x5ad0 kernel/sched/core.c:6756
preempt_schedule_irq+0x51/0x90 kernel/sched/core.c:7078
irqentry_exit+0x36/0x90 kernel/entry/common.c:354
asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702
RIP: 0010:security_sid_to_context_core+0x25e/0x640 security/selinux/ss/services.c:1359
Code: 3d fd 45 85 ff 58 0f 85 76 01 00 00 e8 db dc 3d fd 48 c7 c0 08 e6 9b 9a 48 ba 00 00 00 00 00 fc ff df 48 c1 e8 03 80 3c 10 00 <0f> 85 8a 03 00 00 4c 8b 3d ad bc 3f 16 e8 90 90 cd 06 31 ff 89 c6
RSP: 0018:ffffc900044efbb8 EFLAGS: 00000246
RAX: 1ffffffff3537cc1 RBX: ffffc900044efc48 RCX: ffffffff845c2abc
RDX: dffffc0000000000 RSI: ffffffff845c2935 RDI: 0000000000000001
RBP: ffffc900044efc58 R08: 0000000000000001 R09: 0000000000000000
R10: 0000000000000001 R11: 0000000000000002 R12: 000000000000009b
R13: 0000000000000001 R14: 0000000000000000 R15: 0000000000000001
selinux_inode_init_security+0x465/0x670 security/selinux/hooks.c:2946
security_inode_init_security+0x1e6/0x390 security/security.c:1831
shmem_mknod+0x22e/0x450 mm/shmem.c:3677
shmem_mkdir+0x31/0x60 mm/shmem.c:3736
vfs_mkdir+0x57d/0x860 fs/namei.c:4311
do_mkdirat+0x301/0x3a0 fs/namei.c:4334
__do_sys_mkdirat fs/namei.c:4349 [inline]
__se_sys_mkdirat fs/namei.c:4347 [inline]
__x64_sys_mkdirat+0x83/0xb0 fs/namei.c:4347
do_syscall_x64 arch/x86/entry/common.c:52 [inline]
do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fc9f757e787
RSP: 002b:00007ffff51c5aa8 EFLAGS: 00000202 ORIG_RAX: 0000000000000102
RAX: ffffffffffffffda RBX: 00007ffff51c5af0 RCX: 00007fc9f757e787
RDX: 00000000000001ff RSI: 00007ffff51c5af0 RDI: 00000000ffffff9c
RBP: 00007ffff51c5adc R08: 0000000000000005 R09: 00007ffff51c5845
R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000032
R13: 0000000000047294 R14: 0000000000047248 R15: 00007ffff51c5b30
rcu: rcu_preempt kthread starved for 9843 jiffies! g44837 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:27104 pid:17 tgid:17 ppid:2 flags:0x00004000
Call Trace:
context_switch kernel/sched/core.c:5369 [inline]
__schedule+0xe58/0x5ad0 kernel/sched/core.c:6756
__schedule_loop kernel/sched/core.c:6833 [inline]
schedule+0xe7/0x350 kernel/sched/core.c:6848
schedule_timeout+0x124/0x280 kernel/time/sleep_timeout.c:99
rcu_gp_fqs_loop+0x1eb/0xb00 kernel/rcu/tree.c:2045
rcu_gp_kthread+0x271/0x380 kernel/rcu/tree.c:2247
kthread+0x2c1/0x3a0 kernel/kthread.c:389
ret_from_fork+0x45/0x80 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 6.13.0-rc1-syzkaller-00005-gceb8bf2ceaa7 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
RIP: 0010:kasan_check_range+0x14f/0x1a0 mm/kasan/generic.c:190
Code: 83 c0 01 49 89 d3 48 39 d0 74 11 80 38 00 74 ef 4d 8d 1c 2c 48 85 c0 48 89 c2 75 93 48 89 da 4c 89 d8 4c 29 da e9 2c ff ff ff <5b> b8 01 00 00 00 5d 41 5c c3 cc cc cc cc b8 01 00 00 00 c3 cc cc
RSP: 0018:ffffc90000156a50 EFLAGS: 00000046
RAX: fffffbfff2dca5b8 RBX: fffffbfff2dca5b8 RCX: ffffffff8175c37e
RDX: fffffbfff2dca5b8 RSI: 0000000000000008 RDI: ffffffff96e52db8
RBP: fffffbfff2dca5b7 R08: 0000000000000000 R09: fffffbfff2dca5b7
R10: ffffffff96e52dbf R11: 0000000000000002 R12: ffffed1003a5815b
R13: ffff88801d2c0000 R14: 0000000000000003 R15: ffff88801d2c0b30
FS: 0000000000000000(0000) GS:ffff8880b8600000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fedeb8362ec CR3: 000000000df7e000 CR4: 00000000003526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
instrument_atomic_read include/linux/instrumented.h:68 [inline]
_test_bit include/asm-generic/bitops/instrumented-non-atomic.h:141 [inline]
hlock_class+0x4e/0x130 kernel/locking/lockdep.c:228
__lock_acquire+0x13a6/0x3c40 kernel/locking/lockdep.c:5222
lock_acquire.part.0+0x11b/0x380 kernel/locking/lockdep.c:5849
__raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:110 [inline]
_raw_spin_lock_irqsave+0x3a/0x60 kernel/locking/spinlock.c:162
debug_object_assert_init+0x148/0x2f0 lib/debugobjects.c:1007
debug_timer_assert_init kernel/time/timer.c:845 [inline]
debug_assert_init kernel/time/timer.c:890 [inline]
__mod_timer+0xae/0xdc0 kernel/time/timer.c:1071
__br_multicast_add_group+0x552/0x650 net/bridge/br_multicast.c:1551
br_multicast_add_group net/bridge/br_multicast.c:1569 [inline]
br_ip6_multicast_add_group+0x284/0x330 net/bridge/br_multicast.c:1621
br_ip6_multicast_mld2_report net/bridge/br_multicast.c:2976 [inline]
br_multicast_ipv6_rcv net/bridge/br_multicast.c:3914 [inline]
br_multicast_rcv+0xd2a/0x6a10 net/bridge/br_multicast.c:3972
br_handle_frame_finish+0x107f/0x1c80 net/bridge/br_input.c:153
br_nf_hook_thresh+0x303/0x410 net/bridge/br_netfilter_hooks.c:1198
br_nf_pre_routing_finish_ipv6+0x76a/0xfb0 net/bridge/br_netfilter_ipv6.c:154
NF_HOOK include/linux/netfilter.h:314 [inline]
br_nf_pre_routing_ipv6+0x3ce/0x8c0 net/bridge/br_netfilter_ipv6.c:184
br_nf_pre_routing+0x860/0x15b0 net/bridge/br_netfilter_hooks.c:536
nf_hook_entry_hookfn include/linux/netfilter.h:154 [inline]
nf_hook_bridge_pre net/bridge/br_input.c:277 [inline]
br_handle_frame+0x9eb/0x1490 net/bridge/br_input.c:424
__netif_receive_skb_core.constprop.0+0xa76/0x4470 net/core/dev.c:5566
__netif_receive_skb_one_core+0xb1/0x1e0 net/core/dev.c:5670
__netif_receive_skb+0x1d/0x160 net/core/dev.c:5785
process_backlog+0x443/0x15f0 net/core/dev.c:6117
__napi_poll.constprop.0+0xb7/0x550 net/core/dev.c:6877
napi_poll net/core/dev.c:6946 [inline]
net_rx_action+0xa94/0x1010 net/core/dev.c:7068
handle_softirqs+0x213/0x8f0 kernel/softirq.c:554
run_ksoftirqd kernel/softirq.c:943 [inline]
run_ksoftirqd+0x3a/0x60 kernel/softirq.c:935
smpboot_thread_fn+0x661/0xa30 kernel/smpboot.c:164
kthread+0x2c1/0x3a0 kernel/kthread.c:389
ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:147
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
net_ratelimit: 27995 callbacks suppressed
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:1b, 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 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:1b, vlan:0)
bridge0: received packet on veth0_to_bridge with own address as source address (addr:f2:be:53:68:59:ba, vlan:0)
net_ratelimit: 31673 callbacks suppressed
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 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:1b, vlan:0)
bridge0: received packet on veth0_to_bridge with own address as source address (addr:f2:be:53:68:59:ba, 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)