rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 0-.... } 2814 jiffies s: 1553 root: 0x1/. rcu: blocking rcu_node structures (internal RCU debug): Sending NMI from CPU 1 to CPUs 0: NMI backtrace for cpu 0 CPU: 0 PID: 3794 Comm: syz.1.24 Not tainted 6.1.114-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 RIP: 0010:irq_work_single+0xa9/0x230 kernel/irq_work.c:210 Code: 08 75 7b 4c 89 e3 e8 66 29 f3 ff 65 4c 8b 25 3e 05 6b 7e 49 81 c4 c8 0a 00 00 4c 89 ea 4d 89 e5 49 c1 ed 03 41 0f b6 44 15 00 <84> c0 0f 85 2e 01 00 00 41 c7 04 24 01 00 00 00 48 8d 7b 10 48 89 RSP: 0018:ffffc90000007148 EFLAGS: 00000806 RAX: 0000000000000000 RBX: ffff8880754a9c38 RCX: ffff88804a9bbb80 RDX: dffffc0000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 0000000000000023 R08: ffffffff819769eb R09: ffffed100ea95389 R10: 0000000000000000 R11: dffffc0000000001 R12: ffff88804a9bc648 R13: 1ffff110095378c9 R14: ffff8880754a9c40 R15: 0000000000000022 FS: 00007fe25bac26c0(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fca1dbbcf98 CR3: 000000005c48f000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: irq_work_run_list kernel/irq_work.c:242 [inline] irq_work_run+0x187/0x350 kernel/irq_work.c:251 __sysvec_irq_work+0xbb/0x360 arch/x86/kernel/irq_work.c:22 instr_sysvec_irq_work arch/x86/kernel/irq_work.c:17 [inline] sysvec_irq_work+0x4a/0xc0 arch/x86/kernel/irq_work.c:17 asm_sysvec_irq_work+0x16/0x20 arch/x86/include/asm/idtentry.h:728 RIP: 0010:__orc_find arch/x86/kernel/unwind_orc.c:50 [inline] RIP: 0010:orc_find arch/x86/kernel/unwind_orc.c:178 [inline] RIP: 0010:unwind_next_frame+0x471/0x2220 arch/x86/kernel/unwind_orc.c:448 Code: 48 8b 6c 24 10 48 01 c5 48 89 2d 6a 97 d7 0e 48 bf 00 00 00 00 00 fc ff df 0f 85 d7 00 00 00 e9 ad 00 00 00 4d 89 f4 4d 89 f7 <48> 89 e8 4c 29 f8 48 89 c1 48 c1 f9 02 48 c1 e8 3f 48 01 c8 48 83 RSP: 0018:ffffc90000007340 EFLAGS: 00000283 RAX: ffffffff8ea997c4 RBX: ffffffff8ea997c8 RCX: ffffffff8ea997cc RDX: ffffffff8f15daca RSI: ffffffff81544aa5 RDI: dffffc0000000000 RBP: ffffffff8ea997e0 R08: 000000000000000d R09: ffffc90000007510 R10: 0000000000000000 R11: dffffc0000000001 R12: ffffffff8ea997c8 R13: ffffffff81544aa4 R14: ffffffff8ea997b0 R15: ffffffff8ea997cc arch_stack_walk+0x10d/0x140 arch/x86/kernel/stacktrace.c:25 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_kmalloc mm/kasan/common.c:374 [inline] __kasan_kmalloc+0x97/0xb0 mm/kasan/common.c:383 kmalloc include/linux/slab.h:557 [inline] dst_cow_metrics_generic+0x52/0x1b0 net/core/dst.c:195 dst_metrics_write_ptr include/net/dst.h:119 [inline] dst_metric_set include/net/dst.h:180 [inline] icmp6_dst_alloc+0x2bf/0x470 net/ipv6/route.c:3282 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 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1118 [inline] sysvec_apic_timer_interrupt+0xa0/0xc0 arch/x86/kernel/apic/apic.c:1118 asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:691 RIP: 0010:kmap_local_sched_in kernel/sched/core.c:5026 [inline] RIP: 0010:finish_task_switch+0x214/0x810 kernel/sched/core.c:5128 Code: c0 0f 85 2d 02 00 00 41 80 a4 24 fb 15 00 00 bf 49 8d 9c 24 58 16 00 00 48 89 d8 48 c1 e8 03 42 0f b6 04 28 84 c0 4c 8b 7d d0 <4c> 8b 75 c0 0f 85 1a 02 00 00 83 3b 00 0f 85 94 00 00 00 0f 1f 44 RSP: 0018:ffffc90004ae7408 EFLAGS: 00000246 RAX: 0000000000000000 RBX: ffff88804a9bd1d8 RCX: ffffffff816b09aa RDX: dffffc0000000000 RSI: ffffffff8b0c02c0 RDI: ffff88804a9bd178 RBP: ffffc90004ae7450 R08: dffffc0000000000 R09: fffffbfff2246061 R10: 0000000000000000 R11: dffffc0000000001 R12: ffff88804a9bbb80 R13: dffffc0000000000 R14: ffff8880b8e3a9c0 R15: ffff88802c035940 context_switch kernel/sched/core.c:5244 [inline] __schedule+0x1447/0x4570 kernel/sched/core.c:6558 preempt_schedule_common+0x83/0xd0 kernel/sched/core.c:6727 preempt_schedule+0xd9/0xe0 kernel/sched/core.c:6751 preempt_schedule_thunk+0x16/0x18 arch/x86/entry/thunk_64.S:34 kmem_cache_alloc_bulk+0x3cd/0x4d0 mm/slub.c:3848 mt_alloc_bulk lib/maple_tree.c:157 [inline] mas_alloc_nodes+0x3df/0x800 lib/maple_tree.c:1299 mas_node_count_gfp lib/maple_tree.c:1359 [inline] mas_expected_entries+0x217/0x350 lib/maple_tree.c:5915 dup_mmap kernel/fork.c:617 [inline] dup_mm kernel/fork.c:1540 [inline] copy_mm+0x807/0x1990 kernel/fork.c:1589 copy_process+0x19d5/0x4060 kernel/fork.c:2264 kernel_clone+0x222/0x920 kernel/fork.c:2679 __do_sys_clone kernel/fork.c:2820 [inline] __se_sys_clone kernel/fork.c:2804 [inline] __x64_sys_clone+0x231/0x280 kernel/fork.c:2804 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: 0033:0x7fe25ad7dff9 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:00007fe25bac1fe8 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 RAX: ffffffffffffffda RBX: 00007fe25af35f80 RCX: 00007fe25ad7dff9 RDX: 0000000000000000 RSI: 0000000020000940 RDI: 0000000000000000 RBP: 00007fe25adf0296 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000000 R14: 00007fe25af35f80 R15: 00007fffa9c91928