bridge0: received packet on veth0_to_bridge with own address as source address (addr:16:27:44:b3:55:4f, vlan:0)
rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
rcu: Tasks blocked on level-0 rcu_node (CPUs 0-1): P5215/1:b..l
rcu: (detected by 1, t=10503 jiffies, g=15925, q=392 ncpus=2)
task:udevd state:R running task stack:22288 pid:5215 tgid:5215 ppid:1 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:stack_trace_consume_entry+0x117/0x280 kernel/stacktrace.c:94
Code: 48 c1 e8 03 80 3c 10 00 74 1a 4d 89 cf 48 89 df 49 89 d6 49 89 f5 e8 b8 f8 7e 00 4d 89 f9 4c 89 ee 4c 89 f2 48 89 33 41 8b 19 <41> 0f b6 04 14 84 c0 0f 85 34 01 00 00 3b 5d 00 0f 92 c0 48 83 c4
RSP: 0018:ffffc900047a6f10 EFLAGS: 00000246
RAX: 1ffff920008f4e29 RBX: 0000000000000006 RCX: ffffffff917ca000
RDX: dffffc0000000000 RSI: ffffffff8200142f RDI: ffffc900047a704c
RBP: ffffc900047a7048 R08: 0000000000000005 R09: ffffc900047a7050
R10: dffffc0000000000 R11: ffffffff81810ba0 R12: 1ffff920008f4e09
R13: 1ffff920008f4e09 R14: 0000000000000006 R15: 1ffff920008f4e0a
arch_stack_walk+0x110/0x150 arch/x86/kernel/stacktrace.c:27
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+0xdf9/0x1140 mm/page_alloc.c:2657
discard_slab mm/slub.c:2677 [inline]
__put_partials+0xeb/0x130 mm/slub.c:3145
put_cpu_partial+0x17c/0x250 mm/slub.c:3220
__slab_free+0x2ea/0x3d0 mm/slub.c:4449
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:257 [inline]
__do_kmalloc_node mm/slub.c:4264 [inline]
__kmalloc_noprof+0x1fc/0x400 mm/slub.c:4276
kmalloc_noprof include/linux/slab.h:883 [inline]
tomoyo_realpath_from_path+0xcf/0x5e0 security/tomoyo/realpath.c:251
tomoyo_get_realpath security/tomoyo/file.c:151 [inline]
tomoyo_check_open_permission+0x258/0x4f0 security/tomoyo/file.c:771
security_file_open+0xac/0x250 security/security.c:3105
do_dentry_open+0x328/0x1b70 fs/open.c:928
vfs_open+0x3e/0x330 fs/open.c:1075
do_open fs/namei.c:3828 [inline]
path_openat+0x2c84/0x3590 fs/namei.c:3987
do_filp_open+0x27f/0x4e0 fs/namei.c:4014
do_sys_openat2+0x13e/0x1d0 fs/open.c:1402
do_sys_open fs/open.c:1417 [inline]
__do_sys_openat fs/open.c:1433 [inline]
__se_sys_openat fs/open.c:1428 [inline]
__x64_sys_openat+0x247/0x2a0 fs/open.c:1428
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: 0033:0x7f68e951a477
RSP: 002b:00007ffe3d80bf88 EFLAGS: 00000287 ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 00005585e0e2de50 RCX: 00007f68e951a477
RDX: 0000000000090800 RSI: 00005585e0e39860 RDI: 00000000ffffff9c
RBP: 00005585e0e5a510 R08: 0000000000090800 R09: 00005585e0e39860
R10: 0000000000000000 R11: 0000000000000287 R12: 00005585e0e39860
R13: 00000000000000ff R14: 00005585abd6d1c4 R15: 0000000000000000
rcu: rcu_preempt kthread starved for 10443 jiffies! g15925 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1
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:25976 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+0x2f2/0x390 kernel/kthread.c:389
ret_from_fork+0x4d/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:
CPU: 1 UID: 0 PID: 24 Comm: ksoftirqd/1 Not tainted 6.12.0-syzkaller-07834-g06afb0f36106 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
RIP: 0010:fib6_check_expired include/net/ip6_fib.h:270 [inline]
RIP: 0010:__find_rr_leaf+0x1a5/0x8e0 net/ipv6/route.c:809
Code: 24 64 49 89 dd 49 c1 ed 03 43 0f b6 44 3d 00 84 c0 0f 85 3e 04 00 00 44 8b 33 44 89 f6 81 e6 00 00 40 00 31 ff e8 cb a9 2a f7 <44> 89 f0 25 00 00 40 00 48 89 5c 24 68 75 07 e8 77 a5 2a f7 eb 64
RSP: 0018:ffffc900001e6e20 EFLAGS: 00000246
RAX: 0000000000000100 RBX: ffff888026878c64 RCX: ffff88801d2f0000
RDX: ffff88801d2f0000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffffc900001e6f98 R08: ffffffff8a6aa7a5 R09: ffffc900001e70d0
R10: ffffc900001e70c0 R11: fffff5200003cde6 R12: ffff888026878c00
R13: 1ffff11004d0f18c R14: 0000000000000001 R15: dffffc0000000000
FS: 0000000000000000(0000) GS:ffff8880b8700000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000020032000 CR3: 000000000e738000 CR4: 0000000000350ef0
Call Trace:
find_rr_leaf net/ipv6/route.c:856 [inline]
rt6_select net/ipv6/route.c:900 [inline]
fib6_table_lookup+0x413/0xbb0 net/ipv6/route.c:2195
ip6_pol_route+0x273/0x15d0 net/ipv6/route.c:2231
pol_lookup_func include/net/ip6_fib.h:616 [inline]
fib6_rule_lookup+0x58c/0x790 net/ipv6/fib6_rules.c:117
ip6_route_input_lookup net/ipv6/route.c:2300 [inline]
ip6_route_input+0x859/0xd90 net/ipv6/route.c:2596
ip6_rcv_finish+0x144/0x180 net/ipv6/ip6_input.c:77
NF_HOOK+0x3a6/0x450 include/linux/netfilter.h:314
__netif_receive_skb_one_core net/core/dev.c:5672 [inline]
__netif_receive_skb+0x1ea/0x650 net/core/dev.c:5785
process_backlog+0x662/0x15b0 net/core/dev.c:6117
__napi_poll+0xcd/0x490 net/core/dev.c:6877
napi_poll net/core/dev.c:6946 [inline]
net_rx_action+0x89b/0x1240 net/core/dev.c:7068
handle_softirqs+0x2c7/0x980 kernel/softirq.c:554
run_ksoftirqd+0xca/0x130 kernel/softirq.c:943
smpboot_thread_fn+0x546/0xa30 kernel/smpboot.c:164
kthread+0x2f2/0x390 kernel/kthread.c:389
ret_from_fork+0x4d/0x80 arch/x86/kernel/process.c:147
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
bridge0: received packet on veth0_to_bridge with own address as source address (addr:16:27:44:b3:55:4f, vlan:0)
bridge0: received packet on veth0_to_bridge with own address as source address (addr:16:27:44:b3:55:4f, vlan:0)
bridge0: received packet on veth0_to_bridge with own address as source address (addr:16:27:44:b3:55:4f, vlan:0)
bridge0: received packet on veth0_to_bridge with own address as source address (addr:16:27:44:b3:55:4f, vlan:0)
bridge0: received packet on veth0_to_bridge with own address as source address (addr:16:27:44:b3:55:4f, vlan:0)