rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 1-.... } 2728 jiffies s: 1441 root: 0x2/. rcu: blocking rcu_node structures (internal RCU debug): Sending NMI from CPU 0 to CPUs 1: NMI backtrace for cpu 1 CPU: 1 PID: 3749 Comm: syz.0.14 Not tainted 6.1.105-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024 RIP: 0010:arch_static_branch arch/x86/include/asm/jump_label.h:27 [inline] RIP: 0010:static_key_false include/linux/jump_label.h:207 [inline] RIP: 0010:native_write_msr arch/x86/include/asm/msr.h:147 [inline] RIP: 0010:wrmsr arch/x86/include/asm/msr.h:254 [inline] RIP: 0010:native_apic_msr_write+0x35/0x50 arch/x86/include/asm/apic.h:206 Code: 74 2a 83 ff 30 74 25 eb 10 81 ff d0 00 00 00 74 1b 81 ff e0 00 00 00 74 13 c1 ef 04 81 c7 00 08 00 00 89 f9 89 f0 31 d2 0f 30 <66> 90 c3 89 f6 31 d2 e9 2f 40 29 03 66 2e 0f 1f 84 00 00 00 00 00 RSP: 0018:ffffc900001e0168 EFLAGS: 00000046 RAX: 00000000000000ed RBX: ffffffff8cd89a20 RCX: 0000000000000838 RDX: 0000000000000000 RSI: 00000000000000ed RDI: 0000000000000838 RBP: 00000000000000ed R08: ffffffff817ce7fd R09: fffffbfff1d339ae R10: 0000000000000000 R11: dffffc0000000001 R12: ffff8880b99271c0 R13: dffffc0000000000 R14: 00000000000000ed R15: dffffc0000000000 FS: 00007ffaf1d4c6c0(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b2f81fffc CR3: 0000000076e6d000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: apic_write arch/x86/include/asm/apic.h:394 [inline] lapic_next_event+0x5b/0x70 arch/x86/kernel/apic/apic.c:478 clockevents_program_event+0x1c5/0x310 kernel/time/clockevents.c:334 hrtimer_interrupt+0x546/0x980 kernel/time/hrtimer.c:1825 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1095 [inline] __sysvec_apic_timer_interrupt+0x156/0x580 arch/x86/kernel/apic/apic.c:1112 sysvec_apic_timer_interrupt+0x3e/0xb0 arch/x86/kernel/apic/apic.c:1106 asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:653 RIP: 0010:ip6_pol_route+0x11e/0x14e0 net/ipv6/route.c:2220 Code: f8 48 8b 5c 24 08 48 81 c3 b8 0a 00 00 48 89 d8 48 c1 e8 03 42 80 3c 28 00 74 08 48 89 df e8 d9 58 7e f8 41 83 e7 41 48 8b 1b <48> 89 d8 48 c1 e8 03 42 0f b6 04 28 84 c0 0f 85 e9 10 00 00 8b 1b RSP: 0018:ffffc900001e03c0 EFLAGS: 00000202 RAX: 1ffff1100f24a157 RBX: ffff88801fb28000 RCX: ffff88807cad5940 RDX: 0000000000000100 RSI: 0000000000000001 RDI: 0000000000000000 RBP: ffffc900001e04f0 R08: ffffffff8963c218 R09: ffffc900001e0450 R10: 0000000000000000 R11: dffffc0000000001 R12: ffffc900001e0450 R13: dffffc0000000000 R14: ffffc900001e06e0 R15: 0000000000000001 pol_lookup_func include/net/ip6_fib.h:579 [inline] fib6_rule_lookup+0x265/0x620 net/ipv6/fib6_rules.c:116 ip6_route_input_lookup net/ipv6/route.c:2294 [inline] ip6_route_input+0x830/0xd90 net/ipv6/route.c:2590 ip6_rcv_finish+0x140/0x230 net/ipv6/ip6_input.c:77 NF_HOOK+0x39d/0x450 include/linux/netfilter.h:302 __netif_receive_skb_one_core net/core/dev.c:5528 [inline] __netif_receive_skb+0x1c6/0x530 net/core/dev.c:5642 process_backlog+0x381/0x760 net/core/dev.c:5970 __napi_poll+0xc7/0x470 net/core/dev.c:6537 napi_poll net/core/dev.c:6604 [inline] net_rx_action+0x70f/0xeb0 net/core/dev.c:6718 handle_softirqs+0x2ee/0xa40 kernel/softirq.c:571 __do_softirq kernel/softirq.c:605 [inline] invoke_softirq kernel/softirq.c:445 [inline] __irq_exit_rcu+0x157/0x240 kernel/softirq.c:654 irq_exit_rcu+0x5/0x20 kernel/softirq.c:666 sysvec_apic_timer_interrupt+0x91/0xb0 arch/x86/kernel/apic/apic.c:1106 asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:653 RIP: 0010:native_irq_enable arch/x86/include/asm/irqflags.h:45 [inline] RIP: 0010:arch_local_irq_enable arch/x86/include/asm/irqflags.h:80 [inline] RIP: 0010:arch_local_irq_restore arch/x86/include/asm/irqflags.h:138 [inline] RIP: 0010:___slab_alloc+0x602/0x1270 mm/slub.c:3165 Code: f7 c5 00 02 00 00 8b 14 24 0f 84 6d fa ff ff fb e9 67 fa ff ff e8 3e ec c3 08 f7 c3 00 02 00 00 0f 84 e1 fe ff ff fb 8b 2c 24 84 fa ff ff 8b 7c 24 14 e8 d0 9b f4 ff 84 c0 0f 85 a7 fb ff ff RSP: 0018:ffffc900047873b8 EFLAGS: 00000206 RAX: 4d614ce921001c00 RBX: 0000000000000286 RCX: ffffffff91f32103 RDX: dffffc0000000000 RSI: ffffffff8b0c0260 RDI: ffffffff8b5d5ec0 RBP: 00000000ffffffff R08: dffffc0000000000 R09: fffffbfff1d339ae R10: 0000000000000000 R11: dffffc0000000001 R12: ffff88807cad5940 R13: ffff888012841640 R14: ffffffff7fff0000 R15: ffffffff81e15d24 __slab_alloc mm/slub.c:3279 [inline] slab_alloc_node mm/slub.c:3364 [inline] __kmem_cache_alloc_node+0x19f/0x260 mm/slub.c:3437 __do_kmalloc_node mm/slab_common.c:954 [inline] __kmalloc+0xa1/0x230 mm/slab_common.c:968 kmalloc include/linux/slab.h:561 [inline] kzalloc include/linux/slab.h:692 [inline] tomoyo_encode2 security/tomoyo/realpath.c:45 [inline] tomoyo_encode+0x26b/0x530 security/tomoyo/realpath.c:80 tomoyo_realpath_from_path+0x594/0x5d0 security/tomoyo/realpath.c:283 tomoyo_get_realpath security/tomoyo/file.c:151 [inline] tomoyo_check_open_permission+0x240/0x4c0 security/tomoyo/file.c:771 security_file_open+0x5f/0xa0 security/security.c:1681 do_dentry_open+0x308/0x10f0 fs/open.c:869 do_open fs/namei.c:3628 [inline] path_openat+0x2644/0x2e60 fs/namei.c:3785 do_filp_open+0x230/0x480 fs/namei.c:3812 do_sys_openat2+0x13b/0x4f0 fs/open.c:1318 do_sys_open fs/open.c:1334 [inline] __do_sys_openat fs/open.c:1350 [inline] __se_sys_openat fs/open.c:1345 [inline] __x64_sys_openat+0x243/0x290 fs/open.c:1345 do_syscall_x64 arch/x86/entry/common.c:51 [inline] do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:81 entry_SYSCALL_64_after_hwframe+0x68/0xd2 RIP: 0033:0x7ffaf0f79e79 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007ffaf1d4c038 EFLAGS: 00000246 ORIG_RAX: 0000000000000101 RAX: ffffffffffffffda RBX: 00007ffaf1115f80 RCX: 00007ffaf0f79e79 RDX: 00000000000026e1 RSI: 0000000020000080 RDI: ffffffffffffff9c RBP: 00007ffaf0fe7916 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000000 R14: 00007ffaf1115f80 R15: 00007ffe0a51b3c8