rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { P3770 0-.... } 3442 jiffies s: 1541 root: 0x1/T rcu: blocking rcu_node structures (internal RCU debug): Sending NMI from CPU 1 to CPUs 0: NMI backtrace for cpu 0 CPU: 0 PID: 3770 Comm: syz.0.17 Not tainted 6.1.111-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024 RIP: 0010:lapic_next_event+0x5b/0x70 arch/x86/kernel/apic/apic.c:479 Code: 8b 1d 11 67 9e 0b 48 83 c3 10 48 89 d8 48 c1 e8 03 42 80 3c 38 00 74 08 48 89 df e8 0f db a7 00 bf 80 03 00 00 44 89 f6 ff 13 <31> c0 5b 41 5e 41 5f c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 55 RSP: 0018:ffffc90000006fb0 EFLAGS: 00000046 RAX: 00000000000000de RBX: ffffffff8cd8ba30 RCX: 0000000000000838 RDX: 0000000000000000 RSI: 00000000000000de RDI: 0000000000000838 RBP: 00000000000000de R08: ffffffff817cf3dd R09: fffffbfff1d33cae R10: 0000000000000000 R11: dffffc0000000001 R12: ffff8880b8e271c0 R13: dffffc0000000000 R14: 00000000000000de R15: dffffc0000000000 FS: 00007fdf8736b6c0(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000020104000 CR3: 00000000776af000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: clockevents_program_event+0x1c5/0x310 kernel/time/clockevents.c:334 hrtimer_interrupt+0x546/0x980 kernel/time/hrtimer.c:1828 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:deref_stack_reg arch/x86/kernel/unwind_orc.c:360 [inline] RIP: 0010:unwind_next_frame+0xd6a/0x2220 arch/x86/kernel/unwind_orc.c:539 Code: 8d 45 08 4c 39 f8 0f 86 9c 03 00 00 4c 39 f0 0f 87 93 03 00 00 4c 89 ef e8 f3 1d 00 00 49 89 c6 48 bd 00 00 00 00 00 fc ff df <48> 8b 44 24 30 80 3c 28 00 48 8b 5c 24 18 74 08 48 89 df e8 fe 6f RSP: 0018:ffffc90000007200 EFLAGS: 00000283 RAX: ffffffff8133af5b RBX: ffffc90000008000 RCX: 1ffff92000000e68 RDX: 1ffffffff1e29cbb RSI: 0000000000000000 RDI: ffffc90000007338 RBP: dffffc0000000000 R08: 0000000000000009 R09: ffffc90000007340 R10: 0000000000000000 R11: dffffc0000000001 R12: ffffc90000007340 R13: ffffc90000007338 R14: ffffffff8133af5b R15: 1ffff92000000e69 __unwind_start+0x59d/0x720 arch/x86/kernel/unwind_orc.c:717 unwind_start arch/x86/include/asm/unwind.h:64 [inline] arch_stack_walk+0xdb/0x140 arch/x86/kernel/stacktrace.c:24 stack_trace_save+0x113/0x1c0 kernel/stacktrace.c:122 kasan_save_stack mm/kasan/common.c:45 [inline] kasan_set_track+0x4b/0x70 mm/kasan/common.c:52 __kasan_slab_alloc+0x65/0x70 mm/kasan/common.c:328 kasan_slab_alloc include/linux/kasan.h:201 [inline] slab_post_alloc_hook+0x52/0x3a0 mm/slab.h:737 slab_alloc_node mm/slub.c:3398 [inline] slab_alloc mm/slub.c:3406 [inline] __kmem_cache_alloc_lru mm/slub.c:3413 [inline] kmem_cache_alloc+0x10c/0x2d0 mm/slub.c:3422 dst_alloc+0x12c/0x190 net/core/dst.c:88 ip6_dst_alloc net/ipv6/route.c:345 [inline] icmp6_dst_alloc+0x7b/0x470 net/ipv6/route.c:3269 ndisc_send_skb+0x344/0x14e0 net/ipv6/ndisc.c:491 addrconf_rs_timer+0x357/0x610 net/ipv6/addrconf.c:3963 call_timer_fn+0x1ad/0x6b0 kernel/time/timer.c:1504 expire_timers kernel/time/timer.c:1549 [inline] __run_timers+0x67c/0x890 kernel/time/timer.c:1820 run_timer_softirq+0x63/0xf0 kernel/time/timer.c:1833 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:mte_parent lib/maple_tree.c:521 [inline] RIP: 0010:mte_dead_node lib/maple_tree.c:553 [inline] RIP: 0010:mas_start lib/maple_tree.c:1405 [inline] RIP: 0010:mas_state_walk lib/maple_tree.c:3893 [inline] RIP: 0010:mt_find+0x5d7/0xc60 lib/maple_tree.c:6533 Code: 24 60 42 0f b6 04 30 84 c0 0f 85 ca 00 00 00 c6 84 24 19 01 00 00 00 49 81 e5 00 ff ff ff 4c 89 e8 48 c1 e8 03 42 80 3c 30 00 <74> 08 4c 89 ef e8 af b5 44 f7 49 8b 45 00 48 c7 c1 00 ff ff ff 48 RSP: 0018:ffffc900043df340 EFLAGS: 00000246 RAX: 1ffff1100f6ba180 RBX: ffff88807b5d0c1c RCX: ffff88802cfb3b80 RDX: ffffc900049c9000 RSI: 0000000000000002 RDI: 0000000000000002 RBP: ffffc900043df4d0 R08: ffffffff8a9d7b42 R09: fffffbfff223b845 R10: 0000000000000000 R11: dffffc0000000001 R12: 1ffff9200087be84 R13: ffff88807b5d0c00 R14: dffffc0000000000 R15: ffffc900043df420 find_vma+0x136/0x1b0 mm/mmap.c:1887 lock_mm_and_find_vma+0x71/0x2e0 mm/memory.c:5385 do_user_addr_fault arch/x86/mm/fault.c:1312 [inline] handle_page_fault arch/x86/mm/fault.c:1431 [inline] exc_page_fault+0x169/0x620 arch/x86/mm/fault.c:1487 asm_exc_page_fault+0x22/0x30 arch/x86/include/asm/idtentry.h:570 RIP: 0010:copy_user_enhanced_fast_string+0xa/0x40 arch/x86/lib/copy_user_64.S:166 Code: ff c9 75 f2 89 d1 c1 e9 03 83 e2 07 f3 48 a5 89 d1 f3 a4 31 c0 0f 01 ca c3 8d 0c ca 89 ca eb 20 0f 01 cb 83 fa 40 72 38 89 d1 a4 31 c0 0f 01 ca c3 89 ca eb 0a 66 2e 0f 1f 84 00 00 00 00 00 RSP: 0018:ffffc900043df6d0 EFLAGS: 00050206 RAX: ffffffff84377001 RBX: 00007fffffffb2a8 RCX: 0000000000000058 RDX: 0000000000003d58 RSI: 0000000020104000 RDI: ffff88802c81bd00 RBP: ffffc900043df850 R08: dffffc0000000000 R09: ffffed10059037ab R10: 0000000000000003 R11: dffffc0000000001 R12: 0000000000003d58 R13: 0000000000000000 R14: ffff88802c818000 R15: 0000000020100300 copy_user_generic arch/x86/include/asm/uaccess_64.h:37 [inline] raw_copy_from_user arch/x86/include/asm/uaccess_64.h:52 [inline] copyin+0xd8/0x120 lib/iov_iter.c:183 _copy_from_iter+0x493/0xff0 lib/iov_iter.c:631 copy_from_iter include/linux/uio.h:187 [inline] copy_from_iter_full include/linux/uio.h:194 [inline] skb_do_copy_data_nocache include/net/sock.h:2311 [inline] skb_copy_to_page_nocache include/net/sock.h:2337 [inline] tcp_sendmsg_locked+0x173b/0x4100 net/ipv4/tcp.c:1383 tcp_sendmsg+0x2c/0x40 net/ipv4/tcp.c:1490 sock_sendmsg_nosec net/socket.c:718 [inline] __sock_sendmsg net/socket.c:730 [inline] ____sys_sendmsg+0x5a5/0x8f0 net/socket.c:2514 ___sys_sendmsg net/socket.c:2568 [inline] __sys_sendmsg+0x2a9/0x390 net/socket.c:2597 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: 0033:0x7fdf8657def9 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:00007fdf8736b038 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 00007fdf86735f80 RCX: 00007fdf8657def9 RDX: 00000000000052cc RSI: 0000000020000040 RDI: 000000000000000d RBP: 00007fdf865f0b76 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000000 R14: 00007fdf86735f80 R15: 00007ffd082d73f8