IPVS: lc: UDP 224.0.0.2:0 - no destination available IPVS: lc: UDP 224.0.0.2:0 - no destination available IPVS: lc: UDP 224.0.0.2:0 - no destination available IPVS: lc: UDP 224.0.0.2:0 - no destination available rcu: INFO: rcu_preempt detected stalls on CPUs/tasks: rcu: 1-...!: (0 ticks this GP) idle=37bc/1/0x4000000000000000 softirq=69264/69264 fqs=0 rcu: (detected by 0, t=10502 jiffies, g=69965, q=379 ncpus=2) Sending NMI from CPU 0 to CPUs 1: NMI backtrace for cpu 1 CPU: 1 UID: 0 PID: 17818 Comm: kworker/u8:13 Not tainted 6.12.0-rc6-syzkaller-00077-g2e1b3cc9d7f7 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 RIP: 0010:match_held_lock+0x79/0xc0 kernel/locking/lockdep.c:5302 Code: 00 00 48 39 d0 0f 94 c0 0f b6 c0 c3 cc cc cc cc b8 01 00 00 00 5b c3 cc cc cc cc 31 f6 e8 2f fe ff ff 48 85 c0 75 a7 31 c0 5b cc cc cc cc 90 e8 fc 1e 6a f9 85 c0 74 0a 8b 05 e6 46 3c 05 85 RSP: 0018:ffffc90000a18d38 EFLAGS: 00000046 RAX: 0000000000000000 RBX: ffff888049a50b08 RCX: 0000000000000001 RDX: 0000000000000000 RSI: ffff88805fe97300 RDI: ffff888049a50b08 RBP: ffff88805fe97300 R08: 0000000000000005 R09: 0000000000000000 R10: 0000000000000001 R11: 0000000000000000 R12: ffff888049a50000 R13: ffff888049a50ae0 R14: 00000000ffffffff R15: 0000000000000001 FS: 0000000000000000(0000) GS:ffff8880b8700000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f35498e8f98 CR3: 000000007e5a6000 CR4: 00000000003526f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: __lock_is_held kernel/locking/lockdep.c:5566 [inline] lock_is_held_type+0xb0/0x150 kernel/locking/lockdep.c:5897 lock_is_held include/linux/lockdep.h:249 [inline] advance_sched+0x819/0xc60 net/sched/sch_taprio.c:925 __run_hrtimer kernel/time/hrtimer.c:1691 [inline] __hrtimer_run_queues+0x20a/0xae0 kernel/time/hrtimer.c:1755 hrtimer_interrupt+0x31b/0x800 kernel/time/hrtimer.c:1817 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1038 [inline] __sysvec_apic_timer_interrupt+0x10f/0x400 arch/x86/kernel/apic/apic.c:1055 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1049 [inline] sysvec_apic_timer_interrupt+0x9f/0xc0 arch/x86/kernel/apic/apic.c:1049 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702 RIP: 0010:bytes_is_nonzero mm/kasan/generic.c:87 [inline] RIP: 0010:memory_is_nonzero mm/kasan/generic.c:104 [inline] RIP: 0010:memory_is_poisoned_n mm/kasan/generic.c:129 [inline] RIP: 0010:memory_is_poisoned mm/kasan/generic.c:161 [inline] RIP: 0010:check_region_inline mm/kasan/generic.c:180 [inline] RIP: 0010:kasan_check_range+0x10e/0x1a0 mm/kasan/generic.c:189 Code: 00 7c 0b 44 89 c2 e8 81 ea ff ff 83 f0 01 5b 5d 41 5c c3 cc cc cc cc 48 85 d2 74 4f 48 01 ea eb 09 48 83 c0 01 48 39 d0 74 41 <80> 38 00 74 f2 eb b2 41 bc 08 00 00 00 45 29 dc 49 8d 14 2c eb 0c RSP: 0018:ffffc90003d478b8 EFLAGS: 00000287 RAX: ffffed10069325fa RBX: ffffed1006932600 RCX: ffffffff84509987 RDX: ffffed1006932600 RSI: 0000000000000068 RDI: ffff888034992f98 RBP: ffffed10069325f3 R08: 0000000000000001 R09: ffffed10069325ff R10: ffff888034992fff R11: 0000000000000000 R12: ffff888034992f98 R13: 1ffff920007a8f21 R14: ffff888049a50000 R15: ffff888012032118 __asan_memcpy+0x3c/0x60 mm/kasan/shadow.c:106 tomoyo_dump_page+0x267/0x700 security/tomoyo/domain.c:938 tomoyo_scan_bprm security/tomoyo/condition.c:130 [inline] tomoyo_condition+0x74f/0x3ac0 security/tomoyo/condition.c:1120 tomoyo_check_acl+0x1b7/0x410 security/tomoyo/domain.c:177 tomoyo_execute_permission+0x176/0x4b0 security/tomoyo/file.c:615 tomoyo_find_next_domain+0x361/0x2070 security/tomoyo/domain.c:755 tomoyo_bprm_check_security security/tomoyo/tomoyo.c:102 [inline] tomoyo_bprm_check_security+0x12b/0x1d0 security/tomoyo/tomoyo.c:92 security_bprm_check+0x1b9/0x1e0 security/security.c:1297 search_binary_handler fs/exec.c:1740 [inline] exec_binprm fs/exec.c:1794 [inline] bprm_execve fs/exec.c:1845 [inline] bprm_execve+0x642/0x1960 fs/exec.c:1821 kernel_execve+0x2ef/0x3b0 fs/exec.c:2012 call_usermodehelper_exec_async+0x255/0x4c0 kernel/umh.c:110 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: rcu_preempt kthread timer wakeup didn't happen for 10501 jiffies! g69965 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x402 rcu: Possible timer handling issue on cpu=1 timer-softirq=62953 rcu: rcu_preempt kthread starved for 10502 jiffies! g69965 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x402 ->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:I stack:27504 pid:17 tgid:17 ppid:2 flags:0x00004000 Call Trace: context_switch kernel/sched/core.c:5328 [inline] __schedule+0xe55/0x5740 kernel/sched/core.c:6690 __schedule_loop kernel/sched/core.c:6767 [inline] schedule+0xe7/0x350 kernel/sched/core.c:6782 schedule_timeout+0x136/0x2a0 kernel/time/timer.c:2615 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 IPVS: lc: UDP 224.0.0.2:0 - no destination available IPVS: lc: UDP 224.0.0.2:0 - no destination available IPVS: lc: UDP 224.0.0.2:0 - no destination available IPVS: lc: UDP 224.0.0.2:0 - no destination available IPVS: lc: UDP 224.0.0.2:0 - no destination available IPVS: lc: UDP 224.0.0.2:0 - no destination available IPVS: lc: UDP 224.0.0.2:0 - no destination available IPVS: lc: UDP 224.0.0.2:0 - no destination available IPVS: lc: UDP 224.0.0.2:0 - no destination available