icmp: detected local route for 10.128.1.54 during ICMP sending, src 10.128.0.163 icmp: detected local route for 10.128.1.54 during ICMP sending, src 10.128.0.163 icmp: detected local route for 10.128.1.54 during ICMP sending, src 10.128.0.163 rcu: INFO: rcu_preempt detected stalls on CPUs/tasks: rcu: Tasks blocked on level-0 rcu_node (CPUs 0-1): P10979/1:b..l (detected by 1, t=10502 jiffies, g=59341, q=155 ncpus=2) task:dhcpcd-run-hook state:R running task stack:24336 pid:10979 ppid:3933 flags:0x00004002 Call Trace: context_switch kernel/sched/core.c:5245 [inline] __schedule+0x11d1/0x40e0 kernel/sched/core.c:6562 preempt_schedule_irq+0xbb/0x160 kernel/sched/core.c:6874 irqentry_exit+0x63/0x70 kernel/entry/common.c:439 asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:691 RIP: 0010:rcu_lock_acquire include/linux/rcupdate.h:350 [inline] RIP: 0010:rcu_read_lock include/linux/rcupdate.h:791 [inline] RIP: 0010:is_bpf_text_address+0x3d/0x2a0 kernel/bpf/core.c:735 Code: 60 f3 ff e8 55 25 de ff 48 8d 05 00 00 00 00 48 c7 c7 e0 dd b2 8c 31 f6 31 d2 b9 02 00 00 00 45 31 c0 45 31 c9 48 89 44 24 08 <50> e8 9d 27 d5 ff 48 83 c4 08 e8 a4 d5 9e 08 89 c5 31 ff 89 c6 e8 RSP: 0018:ffffc90004edf570 EFLAGS: 00000246 RAX: ffffffff818f25e2 RBX: 00007fb3669d8ad7 RCX: 0000000000000002 RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffff8cb2dde0 RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000000000 R10: dffffc0000000000 R11: fffff520009dbecd R12: ffff888029dfd940 R13: 0000000000000000 R14: 00007fb3669d8ad7 R15: 1ffff920009dbeca kernel_text_address+0x9c/0xd0 kernel/extable.c:125 __kernel_text_address+0x9/0x30 kernel/extable.c:79 unwind_get_return_address+0x49/0x80 arch/x86/kernel/unwind_orc.c:323 arch_stack_walk+0xf2/0x140 arch/x86/kernel/stacktrace.c:26 stack_trace_save+0xa6/0xf0 kernel/stacktrace.c:122 kasan_save_stack mm/kasan/common.c:46 [inline] kasan_set_track+0x4b/0x70 mm/kasan/common.c:53 ____kasan_kmalloc mm/kasan/common.c:375 [inline] __kasan_kmalloc+0x8e/0xa0 mm/kasan/common.c:384 kasan_kmalloc include/linux/kasan.h:211 [inline] __do_kmalloc_node mm/slab_common.c:936 [inline] __kmalloc+0xb0/0x240 mm/slab_common.c:949 kmalloc include/linux/slab.h:568 [inline] kzalloc include/linux/slab.h:699 [inline] tomoyo_encode2 security/tomoyo/realpath.c:45 [inline] tomoyo_encode+0x27e/0x540 security/tomoyo/realpath.c:80 tomoyo_realpath_from_path+0x58e/0x5d0 security/tomoyo/realpath.c:283 tomoyo_get_realpath security/tomoyo/file.c:151 [inline] tomoyo_path_perm+0x26f/0x610 security/tomoyo/file.c:822 security_inode_getattr+0xcf/0x120 security/security.c:1362 vfs_getattr+0x26/0x3a0 fs/stat.c:158 vfs_fstat fs/stat.c:183 [inline] __do_sys_newfstat fs/stat.c:447 [inline] __se_sys_newfstat fs/stat.c:444 [inline] __x64_sys_newfstat+0x13d/0x220 fs/stat.c:444 do_syscall_x64 arch/x86/entry/common.c:46 [inline] do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:76 entry_SYSCALL_64_after_hwframe+0x68/0xd2 RIP: 0033:0x7fb3669d8ad7 RSP: 002b:00007ffdcf661488 EFLAGS: 00000297 ORIG_RAX: 0000000000000005 RAX: ffffffffffffffda RBX: 000056542465e2a0 RCX: 00007fb3669d8ad7 RDX: 00007fb366ab6ea0 RSI: 00007ffdcf661490 RDI: 0000000000000003 RBP: 00007fb366ab6ff0 R08: 00007fb366ab8ac0 R09: 0000000000000080 R10: 0000000000000004 R11: 0000000000000297 R12: 00007ffdcf6615f8 R13: 0000000000000000 R14: 00007fb3668ba4d0 R15: 0000000000000000 rcu: rcu_preempt kthread starved for 9821 jiffies! g59341 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:28080 pid:16 ppid:2 flags:0x00004000 Call Trace: context_switch kernel/sched/core.c:5245 [inline] __schedule+0x11d1/0x40e0 kernel/sched/core.c:6562 schedule+0xb9/0x180 kernel/sched/core.c:6638 schedule_timeout+0x184/0x2d0 kernel/time/timer.c:2168 rcu_gp_fqs_loop+0x303/0x1340 kernel/rcu/tree.c:1706 rcu_gp_kthread+0x99/0x3b0 kernel/rcu/tree.c:1905 kthread+0x29d/0x330 kernel/kthread.c:376 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295 rcu: Stack dump where RCU GP kthread last ran: CPU: 1 PID: 0 Comm: swapper/1 Not tainted syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026 RIP: 0010:default_idle+0xb/0x10 arch/x86/kernel/process.c:742 Code: 48 89 df e8 d7 a4 9b f7 e9 44 ff ff ff e8 3d 07 f6 ff 00 00 cc cc 00 00 cc cc 00 00 cc cc 00 66 90 0f 00 2d a7 ba 4e 00 fb f4 0f 1f 40 00 41 57 41 56 53 49 be 00 00 00 00 00 fc ff df 65 48 RSP: 0018:ffffc90000177de8 EFLAGS: 000002c6 RAX: c1872dde9a953900 RBX: ffffffff8a37f307 RCX: c1872dde9a953900 RDX: 0000000000000001 RSI: ffffffff8a8c19a0 RDI: ffffffff8adf1ba0 RBP: ffffc90000177f20 R08: ffff8880b8f3580b R09: 1ffff110171e6b01 R10: dffffc0000000000 R11: ffffed10171e6b02 R12: 0000000000000000 R13: dffffc0000000000 R14: ffff88813fef9dc0 R15: 1ffff9200002efc8 FS: 0000000000000000(0000) GS:ffff8880b8f00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f49a1adc48e CR3: 000000001fb4f000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: default_idle_call+0x84/0xc0 kernel/sched/idle.c:109 cpuidle_idle_call kernel/sched/idle.c:199 [inline] do_idle+0x250/0x680 kernel/sched/idle.c:323 cpu_startup_entry+0x3f/0x60 kernel/sched/idle.c:422 start_secondary+0xe4/0xf0 arch/x86/kernel/smpboot.c:281 secondary_startup_64_no_verify+0xcf/0xdb