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): P5831/1:b..l P5821/1:b..l
rcu: (detected by 1, t=10503 jiffies, g=12745, q=1144 ncpus=2)
task:syz-executor state:R running task stack:22608 pid:5821 tgid:5821 ppid:5819 flags:0x00000002
Call Trace:
context_switch kernel/sched/core.c:5369 [inline]
__schedule+0x1850/0x4c30 kernel/sched/core.c:6756
preempt_schedule_common+0x84/0xd0 kernel/sched/core.c:6935
preempt_schedule+0xe1/0xf0 kernel/sched/core.c:6959
preempt_schedule_thunk+0x1a/0x30 arch/x86/entry/thunk.S:12
unwind_next_frame+0x18f8/0x22d0 arch/x86/kernel/unwind_orc.c:672
arch_stack_walk+0x11c/0x150 arch/x86/kernel/stacktrace.c:25
stack_trace_save+0x118/0x1d0 kernel/stacktrace.c:122
save_stack+0xfb/0x1f0 mm/page_owner.c:156
__reset_page_owner+0x76/0x430 mm/page_owner.c:297
reset_page_owner include/linux/page_owner.h:25 [inline]
free_pages_prepare mm/page_alloc.c:1127 [inline]
free_unref_page+0xd3f/0x1010 mm/page_alloc.c:2659
discard_slab mm/slub.c:2688 [inline]
__put_partials+0x160/0x1c0 mm/slub.c:3157
put_cpu_partial+0x17c/0x250 mm/slub.c:3232
__slab_free+0x290/0x380 mm/slub.c:4483
qlink_free mm/kasan/quarantine.c:163 [inline]
qlist_free_all+0x9a/0x140 mm/kasan/quarantine.c:179
kasan_quarantine_reduce+0x14f/0x170 mm/kasan/quarantine.c:286
__kasan_slab_alloc+0x23/0x80 mm/kasan/common.c:329
kasan_slab_alloc include/linux/kasan.h:250 [inline]
slab_post_alloc_hook mm/slub.c:4119 [inline]
slab_alloc_node mm/slub.c:4168 [inline]
kmem_cache_alloc_noprof+0x1d9/0x380 mm/slub.c:4175
lsm_inode_alloc security/security.c:755 [inline]
security_inode_alloc+0x37/0x310 security/security.c:1691
inode_init_always_gfp+0xa0f/0xd90 fs/inode.c:306
inode_init_always include/linux/fs.h:3121 [inline]
alloc_inode+0x9f/0x1a0 fs/inode.c:343
get_pipe_inode fs/pipe.c:882 [inline]
create_pipe_files+0x50/0x700 fs/pipe.c:922
__do_pipe_flags+0x48/0x2d0 fs/pipe.c:973
do_pipe2+0xd4/0x310 fs/pipe.c:1024
__do_sys_pipe2 fs/pipe.c:1042 [inline]
__se_sys_pipe2 fs/pipe.c:1040 [inline]
__x64_sys_pipe2+0x5a/0x70 fs/pipe.c:1040
do_syscall_x64 arch/x86/entry/common.c:52 [inline]
do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f1699f84a49
RSP: 002b:00007fff538bd5a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000125
RAX: ffffffffffffffda RBX: 000055556fd00c50 RCX: 00007f1699f84a49
RDX: 0000000000000005 RSI: 0000000000000000 RDI: 00007fff538bd5c0
RBP: 00007fff538bd970 R08: 0000000000000007 R09: 000055556fcfce10
R10: 34f770ecebbc09d6 R11: 0000000000000246 R12: 00007fff538bd9d0
R13: 000055556fd02370 R14: 00007fff538bd6f0 R15: 000055556fd0a1d0
task:syz-executor state:R running task stack:19472 pid:5831 tgid:5831 ppid:5830 flags:0x00004002
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:page_ext_next include/linux/page_ext.h:92 [inline]
RIP: 0010:__update_page_owner_free_handle mm/page_owner.c:278 [inline]
RIP: 0010:__reset_page_owner+0x20f/0x430 mm/page_owner.c:298
Code: b6 04 28 84 c0 75 73 8b 2b 49 83 c6 3c 4c 89 f0 48 c1 e8 03 42 0f b6 04 28 84 c0 75 76 41 89 2e 48 8b 44 24 38 42 80 3c 28 00 <0f> 84 e8 fe ff ff 48 c7 c7 e0 7e 43 9a e8 af a4 f6 ff e9 d7 fe ff
RSP: 0018:ffffc900041bf648 EFLAGS: 00000246
RAX: 1ffffffff3486fdc RBX: ffff8880294c85cc RCX: dffffc0000000000
RDX: ffff8880294c85c8 RSI: 0000000000000008 RDI: ffff88801d8b1da0
RBP: 00000000000016c7 R08: ffff88801d8b1da7 R09: 1ffff11003b163b4
R10: dffffc0000000000 R11: ffffed1003b163b5 R12: 0000000000000000
R13: dffffc0000000000 R14: ffff88801d8b1de4 R15: ffff88801d8b1da0
reset_page_owner include/linux/page_owner.h:25 [inline]
free_pages_prepare mm/page_alloc.c:1127 [inline]
free_unref_page+0xd3f/0x1010 mm/page_alloc.c:2659
discard_slab mm/slub.c:2688 [inline]
__put_partials+0x160/0x1c0 mm/slub.c:3157
put_cpu_partial+0x17c/0x250 mm/slub.c:3232
__slab_free+0x290/0x380 mm/slub.c:4483
qlink_free mm/kasan/quarantine.c:163 [inline]
qlist_free_all+0x9a/0x140 mm/kasan/quarantine.c:179
kasan_quarantine_reduce+0x14f/0x170 mm/kasan/quarantine.c:286
__kasan_kmalloc+0x23/0xb0 mm/kasan/common.c:385
kasan_kmalloc include/linux/kasan.h:260 [inline]
__do_kmalloc_node mm/slub.c:4298 [inline]
__kmalloc_noprof+0x285/0x4c0 mm/slub.c:4310
kmalloc_noprof include/linux/slab.h:905 [inline]
kzalloc_noprof include/linux/slab.h:1037 [inline]
tomoyo_encode2 security/tomoyo/realpath.c:45 [inline]
tomoyo_encode+0x26f/0x540 security/tomoyo/realpath.c:80
tomoyo_realpath_from_path+0x59e/0x5e0 security/tomoyo/realpath.c:283
tomoyo_get_realpath security/tomoyo/file.c:151 [inline]
tomoyo_path_perm+0x2b7/0x740 security/tomoyo/file.c:822
tomoyo_path_unlink+0xd0/0x110 security/tomoyo/tomoyo.c:162
security_path_unlink+0x169/0x360 security/security.c:1960
do_unlinkat+0x3e6/0x830 fs/namei.c:4584
__do_sys_unlink fs/namei.c:4635 [inline]
__se_sys_unlink fs/namei.c:4633 [inline]
__x64_sys_unlink+0x47/0x50 fs/namei.c:4633
do_syscall_x64 arch/x86/entry/common.c:52 [inline]
do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fe47df852d7
RSP: 002b:00007ffd21d57b58 EFLAGS: 00000206 ORIG_RAX: 0000000000000057
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fe47df852d7
RDX: 00007ffd21d57b80 RSI: 00007ffd21d57c10 RDI: 00007ffd21d57c10
RBP: 00007ffd21d57c10 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000100 R11: 0000000000000206 R12: 00007ffd21d58c90
R13: 00007fe47e0018f4 R14: 00007ffd21d58cd0 R15: 000000000000004e
rcu: rcu_preempt kthread starved for 10578 jiffies! g12745 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:25880 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 6.13.0-rc6-syzkaller-00970-g7d0da8f86234 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
RIP: 0010:check_kcov_mode kernel/kcov.c:183 [inline]
RIP: 0010:write_comp_data kernel/kcov.c:246 [inline]
RIP: 0010:__sanitizer_cov_trace_const_cmp1+0x2d/0x90 kernel/kcov.c:300
Code: fa 4c 8b 04 24 65 48 8b 14 25 00 d6 03 00 65 8b 05 d0 4e 64 7e 25 00 01 ff 00 74 10 3d 00 01 00 00 75 5b 83 ba 1c 16 00 00 00 <74> 52 8b 82 f8 15 00 00 83 f8 03 75 47 48 8b 8a 00 16 00 00 44 8b
RSP: 0018:ffffc90000155fe0 EFLAGS: 00000246
RAX: 0000000000000100 RBX: 0000000000000000 RCX: ffff88801cad5a00
RDX: ffff88801cad5a00 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffff888032e5f600 R08: ffffffff8686628d R09: 1ffffffff203494e
R10: dffffc0000000000 R11: fffffbfff203494f R12: ffff88805dbc4000
R13: ffff888062346000 R14: 0000000000000000 R15: ffff88818b63a500
FS: 0000000000000000(0000) GS:ffff8880b8600000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ffd21d57b6c CR3: 000000000e736000 CR4: 00000000003526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
skb_tx_timestamp include/linux/skbuff.h:4567 [inline]
veth_xmit+0x42d/0xad0 drivers/net/veth.c:374
__netdev_start_xmit include/linux/netdevice.h:5048 [inline]
netdev_start_xmit include/linux/netdevice.h:5057 [inline]
xmit_one net/core/dev.c:3635 [inline]
dev_hard_start_xmit+0x27a/0x7d0 net/core/dev.c:3651
__dev_queue_xmit+0x1b73/0x3f50 net/core/dev.c:4481
dev_queue_xmit include/linux/netdevice.h:3212 [inline]
br_dev_queue_push_xmit+0x726/0x900 net/bridge/br_forward.c:53
NF_HOOK+0x700/0x7c0 include/linux/netfilter.h:314
br_nf_post_routing+0xa20/0xe80 net/bridge/br_netfilter_hooks.c:997
nf_hook_entry_hookfn include/linux/netfilter.h:154 [inline]
nf_hook_slow+0xc3/0x220 net/netfilter/core.c:626
nf_hook include/linux/netfilter.h:269 [inline]
NF_HOOK+0x2a7/0x460 include/linux/netfilter.h:312
br_forward_finish+0xd8/0x130 net/bridge/br_forward.c:66
br_nf_forward_finish+0xb49/0xfb0 net/bridge/br_netfilter_hooks.c:693
NF_HOOK+0x700/0x7c0 include/linux/netfilter.h:314
br_nf_forward_ip+0x61e/0x7b0 net/bridge/br_netfilter_hooks.c:747
nf_hook_entry_hookfn include/linux/netfilter.h:154 [inline]
nf_hook_slow+0xc3/0x220 net/netfilter/core.c:626
nf_hook include/linux/netfilter.h:269 [inline]
NF_HOOK+0x2a7/0x460 include/linux/netfilter.h:312
__br_forward+0x489/0x660 net/bridge/br_forward.c:115
deliver_clone net/bridge/br_forward.c:131 [inline]
maybe_deliver+0xb3/0x150 net/bridge/br_forward.c:190
br_flood+0x2e4/0x680 net/bridge/br_forward.c:237
br_handle_frame_finish+0x18d2/0x2000 net/bridge/br_input.c:220
br_nf_hook_thresh+0x472/0x590
br_nf_pre_routing_finish_ipv6+0xaa0/0xdd0
NF_HOOK include/linux/netfilter.h:314 [inline]
br_nf_pre_routing_ipv6+0x379/0x770 net/bridge/br_netfilter_ipv6.c:184
nf_hook_entry_hookfn include/linux/netfilter.h:154 [inline]
nf_hook_bridge_pre net/bridge/br_input.c:282 [inline]
br_handle_frame+0x9f3/0x1530 net/bridge/br_input.c:433
__netif_receive_skb_core+0x13e7/0x4540 net/core/dev.c:5619
__netif_receive_skb_one_core net/core/dev.c:5723 [inline]
__netif_receive_skb+0x12f/0x650 net/core/dev.c:5838
process_backlog+0x662/0x15b0 net/core/dev.c:6170
__napi_poll+0xcb/0x490 net/core/dev.c:6953
napi_poll net/core/dev.c:7022 [inline]
net_rx_action+0x89b/0x1240 net/core/dev.c:7144
handle_softirqs+0x2d4/0x9b0 kernel/softirq.c:561
run_ksoftirqd+0xca/0x130 kernel/softirq.c:950
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: 40083 callbacks suppressed
bridge0: received packet on veth0_to_bridge with own address as source address (addr:46:a5:7b:f1:aa:bb, 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:46:a5:7b:f1:aa:bb, 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 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:46:a5:7b:f1:aa:bb, 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)
net_ratelimit: 43917 callbacks suppressed
bridge0: received packet on veth0_to_bridge with own address as source address (addr:46:a5:7b:f1:aa:bb, 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:aa:aa:aa:aa:aa:0c, vlan:0)
bridge0: received packet on veth0_to_bridge with own address as source address (addr:46:a5:7b:f1:aa:bb, 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: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:aa:aa:aa:aa:aa:0c, vlan:0)