watchdog: BUG: soft lockup - CPU#1 stuck for 122s! [syz-executor.1:435] Modules linked in: CPU: 1 PID: 435 Comm: syz-executor.1 Not tainted 6.1.78-syzkaller-00141-g3c19f7015ee3 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 RIP: 0010:unwind_next_frame+0x319/0x700 arch/x86/kernel/unwind_frame.c:305 Code: 00 00 00 49 83 c6 48 4c 89 f0 48 c1 e8 03 80 3c 10 00 74 08 4c 89 f7 e8 c5 c5 84 00 49 c7 06 00 00 00 00 b0 01 e9 8c 02 00 00 <4d> 8d 6e 50 4c 89 eb 48 c1 eb 03 80 3c 13 00 74 12 4c 89 ef e8 fe RSP: 0018:ffffc900001b0698 EFLAGS: 00000283 RAX: ffffc90000a47f30 RBX: ffffc90000a47428 RCX: ffffffff87767000 RDX: dffffc0000000000 RSI: ffffffff84f9e375 RDI: ffffc90000a47f48 RBP: ffffc900001b0710 R08: ffffc900001b0808 R09: 0000000000000013 R10: ffffc900001b0810 R11: dffffc0000000001 R12: 0000000000000000 R13: ffffc90000a48000 R14: ffffc900001b0720 R15: 1ffff920000360e4 FS: 0000000000000000(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000020810000 CR3: 00000001321db000 CR4: 00000000003506a0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: 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_save_alloc_info+0x1f/0x30 mm/kasan/generic.c:505 ____kasan_kmalloc mm/kasan/common.c:379 [inline] __kasan_kmalloc+0x9c/0xb0 mm/kasan/common.c:388 kasan_kmalloc include/linux/kasan.h:212 [inline] __do_kmalloc_node mm/slab_common.c:957 [inline] __kmalloc_node_track_caller+0xb3/0x1e0 mm/slab_common.c:977 kmalloc_reserve net/core/skbuff.c:446 [inline] __alloc_skb+0x125/0x2d0 net/core/skbuff.c:515 alloc_skb include/linux/skbuff.h:1283 [inline] ndisc_alloc_skb+0xf3/0x2d0 net/ipv6/ndisc.c:422 ndisc_send_rs+0x264/0x5f0 net/ipv6/ndisc.c:703 addrconf_rs_timer+0x2d1/0x600 net/ipv6/addrconf.c:3968 call_timer_fn+0x3b/0x2d0 kernel/time/timer.c:1480 expire_timers kernel/time/timer.c:1525 [inline] __run_timers+0x72a/0xa10 kernel/time/timer.c:1796 run_timer_softirq+0x69/0xf0 kernel/time/timer.c:1809 __do_softirq+0x1d8/0x661 kernel/softirq.c:617 invoke_softirq kernel/softirq.c:472 [inline] __irq_exit_rcu+0x50/0xf0 kernel/softirq.c:700 irq_exit_rcu+0x9/0x10 kernel/softirq.c:712 sysvec_apic_timer_interrupt+0x9a/0xc0 arch/x86/kernel/apic/apic.c:1106 asm_sysvec_apic_timer_interrupt+0x1b/0x20 arch/x86/include/asm/idtentry.h:653 RIP: 0010:preempt_schedule_irq+0xc2/0x140 kernel/sched/core.c:7045 Code: 4c 89 e7 e8 f0 f1 bd fc f6 44 24 21 02 74 0b 0f 0b 48 f7 03 08 00 00 00 74 4d bf 01 00 00 00 e8 34 d4 50 fc fb bf 01 00 00 00 a9 e4 ff ff fa bf 01 00 00 00 e8 be d5 50 fc 65 48 8b 1d f6 ec RSP: 0018:ffffc90000a47380 EFLAGS: 00000246 RAX: 1ffff11022450e01 RBX: 1ffff92000148e74 RCX: ffffffff85006800 RDX: 1ffffffff0f25c08 RSI: 0000000000000000 RDI: 0000000000000001 RBP: ffffc90000a47408 R08: ffffffff8792e040 R09: ffffffff8792e048 R10: ffffffff8792e058 R11: ffffffff8792e050 R12: ffffc90000a473a0 R13: 0000000000000000 R14: dffffc0000000000 R15: 1ffff92000148e70 raw_irqentry_exit_cond_resched+0x2a/0x30 kernel/entry/common.c:390 irqentry_exit+0x30/0x40 kernel/entry/common.c:433 sysvec_apic_timer_interrupt+0x55/0xc0 arch/x86/kernel/apic/apic.c:1106 asm_sysvec_apic_timer_interrupt+0x1b/0x20 arch/x86/include/asm/idtentry.h:653 RIP: 0010:_compound_head include/linux/page-flags.h:253 [inline] RIP: 0010:get_futex_key+0x260/0xc90 kernel/futex/core.c:305 Code: 24 10 42 80 3c 20 00 74 08 4c 89 ef e8 a9 a7 51 00 48 8b 9c 24 80 00 00 00 4c 8d 7b 08 4d 89 fd 49 c1 ed 03 43 80 7c 25 00 00 <74> 08 4c 89 ff e8 86 a7 51 00 4d 8b 27 4c 89 e6 48 83 e6 01 31 ff RSP: 0018:ffffc90000a47500 EFLAGS: 00000246 RAX: 1ffff92000148eb0 RBX: ffffea0004c910c0 RCX: ffff888112286540 RDX: ffff888112286540 RSI: 0000000000000001 RDI: 0000000000000000 RBP: ffffc90000a475f0 R08: ffffffff816acabb R09: fffff94000992219 R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000 R13: 1ffffd4000992219 R14: 00007fdce1b2e000 R15: ffffea0004c910c8 futex_wake+0x1af/0xb60 kernel/futex/waitwake.c:156 do_futex+0x501/0x9a0 kernel/futex/syscalls.c:113 mm_release+0x1be/0x2e0 kernel/fork.c:1590 exit_mm_release+0x25/0x30 kernel/fork.c:1607 exit_mm kernel/exit.c:537 [inline] do_exit+0xa1b/0x2b80 kernel/exit.c:862 do_group_exit+0x21a/0x2d0 kernel/exit.c:1025 get_signal+0x169d/0x1820 kernel/signal.c:2880 arch_do_signal_or_restart+0xb0/0x16f0 arch/x86/kernel/signal.c:871 exit_to_user_mode_loop+0x74/0xa0 kernel/entry/common.c:168 exit_to_user_mode_prepare+0x5a/0xa0 kernel/entry/common.c:204 __syscall_exit_to_user_mode_work kernel/entry/common.c:286 [inline] syscall_exit_to_user_mode+0x26/0x140 kernel/entry/common.c:297 do_syscall_64+0x49/0xb0 arch/x86/entry/common.c:87 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7fdce0e7cf69 Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 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 b0 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007fdce1b2e0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: 0000000000000000 RBX: 00007fdce0fb4120 RCX: 00007fdce0e7cf69 RDX: 00000000200006c0 RSI: 0000000000005452 RDI: 0000000000000006 RBP: 00007fdce0eda6fe R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 000000000000006e R14: 00007fdce0fb4120 R15: 00007ffc42555488 Sending NMI from CPU 1 to CPUs 0: NMI backtrace for cpu 0 CPU: 0 PID: 379 Comm: syz-executor.2 Not tainted 6.1.78-syzkaller-00141-g3c19f7015ee3 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 RIP: 0010:arch_static_branch arch/x86/include/asm/jump_label.h:27 [inline] RIP: 0010:static_key_false include/linux/jump_label.h:230 [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+0x39/0x50 arch/x86/include/asm/apic.h:205 Code: 74 05 83 ff 30 75 12 5d c3 81 ff d0 00 00 00 74 f6 81 ff e0 00 00 00 74 ee c1 ef 04 81 c7 00 08 00 00 89 f9 89 f0 31 d2 0f 30 <66> 90 eb d9 89 f6 31 d2 e8 fa 5f 6a 01 5d c3 0f 1f 84 00 00 00 00 RSP: 0018:ffffc90000006f78 EFLAGS: 00000046 RAX: 0000000000000141 RBX: ffffffff8650ca30 RCX: 0000000000000838 RDX: 0000000000000000 RSI: 0000000000000141 RDI: 0000000000000838 RBP: ffffc90000006f78 R08: ffffffff8169e63b R09: ffffffff8169e52d R10: 0000000000000002 R11: ffff888111865100 R12: 0000000000000020 R13: dffffc0000000000 R14: 0000000000000141 R15: dffffc0000000000 FS: 0000000000000000(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000000000 CR3: 000000010e78c000 CR4: 00000000003506b0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: apic_write arch/x86/include/asm/apic.h:393 [inline] lapic_next_event+0x5f/0x70 arch/x86/kernel/apic/apic.c:478 clockevents_program_event+0x1c1/0x300 kernel/time/clockevents.c:334 tick_program_event+0x9f/0x120 kernel/time/tick-oneshot.c:44 hrtimer_interrupt+0x625/0xaa0 kernel/time/hrtimer.c:1824 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1095 [inline] __sysvec_apic_timer_interrupt+0xfd/0x3c0 arch/x86/kernel/apic/apic.c:1112 sysvec_apic_timer_interrupt+0x44/0xc0 arch/x86/kernel/apic/apic.c:1106 asm_sysvec_apic_timer_interrupt+0x1b/0x20 arch/x86/include/asm/idtentry.h:653 RIP: 0010:__kasan_record_aux_stack+0xa3/0xc0 mm/kasan/generic.c:485 Code: 48 01 fe 48 39 f3 77 03 48 89 de 4c 89 ff e8 e4 35 ff ff 48 89 c3 49 63 87 e8 00 00 00 48 85 c0 74 1c 48 01 c3 74 17 8b 43 08 <89> 43 0c 41 0f b6 f6 bf 00 08 00 00 e8 5c d8 ff ff 89 43 08 5b 41 RSP: 0018:ffffc90000007248 EFLAGS: 00000286 RAX: 0000000000000000 RBX: ffff88813201cd78 RCX: ffffea0004c80700 RDX: 0000000000000058 RSI: ffff88813201cc80 RDI: ffff888108d81380 RBP: ffffc90000007260 R08: 0000000000000140 R09: ffffed1026403999 R10: 0000000000000000 R11: dffffc0000000001 R12: ffff88813201ccd8 R13: ffff88813201cc80 R14: 0000000000000000 R15: ffff888108d81380 kasan_record_aux_stack_noalloc+0xb/0x10 mm/kasan/generic.c:496 __call_rcu_common kernel/rcu/tree.c:2806 [inline] call_rcu+0xee/0x1340 kernel/rcu/tree.c:2925 call_rcu_hurry include/linux/rcupdate.h:116 [inline] dst_release+0x9b/0xe0 net/core/dst.c:177 refdst_drop include/net/dst.h:256 [inline] skb_dst_drop include/net/dst.h:268 [inline] __dev_queue_xmit+0xa42/0x36e0 net/core/dev.c:4255 dev_queue_xmit include/linux/netdevice.h:3076 [inline] neigh_connected_output+0x41b/0x4b0 net/core/neighbour.c:1592 neigh_output include/net/neighbour.h:552 [inline] ip6_finish_output2+0x1047/0x1820 net/ipv6/ip6_output.c:134 __ip6_finish_output net/ipv6/ip6_output.c:201 [inline] ip6_finish_output+0x50f/0xa60 net/ipv6/ip6_output.c:212 NF_HOOK_COND include/linux/netfilter.h:294 [inline] ip6_output+0x1f7/0x4d0 net/ipv6/ip6_output.c:233 dst_output include/net/dst.h:444 [inline] NF_HOOK include/linux/netfilter.h:305 [inline] ndisc_send_skb+0x7cf/0xdc0 net/ipv6/ndisc.c:509 ndisc_send_rs+0x47d/0x5f0 net/ipv6/ndisc.c:719 addrconf_rs_timer+0x2d1/0x600 net/ipv6/addrconf.c:3968 call_timer_fn+0x3b/0x2d0 kernel/time/timer.c:1480 expire_timers kernel/time/timer.c:1525 [inline] __run_timers+0x72a/0xa10 kernel/time/timer.c:1796 run_timer_softirq+0x69/0xf0 kernel/time/timer.c:1809 __do_softirq+0x1d8/0x661 kernel/softirq.c:617 invoke_softirq kernel/softirq.c:472 [inline] __irq_exit_rcu+0x50/0xf0 kernel/softirq.c:700 irq_exit_rcu+0x9/0x10 kernel/softirq.c:712 sysvec_apic_timer_interrupt+0x9a/0xc0 arch/x86/kernel/apic/apic.c:1106 asm_sysvec_apic_timer_interrupt+0x1b/0x20 arch/x86/include/asm/idtentry.h:653 RIP: 0010:preempt_schedule_irq+0xc2/0x140 kernel/sched/core.c:7045 Code: 4c 89 e7 e8 f0 f1 bd fc f6 44 24 21 02 74 0b 0f 0b 48 f7 03 08 00 00 00 74 4d bf 01 00 00 00 e8 34 d4 50 fc fb bf 01 00 00 00 a9 e4 ff ff fa bf 01 00 00 00 e8 be d5 50 fc 65 48 8b 1d f6 ec RSP: 0018:ffffc900096bf120 EFLAGS: 00000246 RAX: 1ffff1102230cb79 RBX: 1ffff920012d7e28 RCX: ffffffff85006800 RDX: 1ffff1102230ca25 RSI: 0000000000000000 RDI: 0000000000000001 RBP: ffffc900096bf1b8 R08: ffffffff8792e000 R09: ffffffff8792e008 R10: ffffffff8792e018 R11: ffffffff8792e010 R12: ffffc900096bf140 R13: 0000000000000000 R14: dffffc0000000000 R15: 1ffff920012d7e24 raw_irqentry_exit_cond_resched+0x2a/0x30 kernel/entry/common.c:390 irqentry_exit+0x30/0x40 kernel/entry/common.c:433 sysvec_apic_timer_interrupt+0x55/0xc0 arch/x86/kernel/apic/apic.c:1106 asm_sysvec_apic_timer_interrupt+0x1b/0x20 arch/x86/include/asm/idtentry.h:653 RIP: 0010:__thunk_restore+0x0/0x1c arch/x86/entry/thunk_64.S:40 Code: 52 51 50 41 50 41 51 41 52 41 53 e8 d6 fc fd 03 eb 18 55 48 89 e5 57 56 52 51 50 41 50 41 51 41 52 41 53 e8 8e fe fd 03 eb 00 <41> 5b 41 5a 41 59 41 58 58 59 5a 5e 5f 5d c3 cc cc cc cc cc cc cc RSP: 0018:ffffc900096bf2b0 EFLAGS: 00000246 RAX: e9659084c52cdf00 RBX: ffffea0004c82068 RCX: ffffffff84fe7e7e RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffff888111865100 RBP: ffffc900096bf2f8 R08: dffffc0000000000 R09: ffffed102230ca21 R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000020200000 R13: ffffc900096bf630 R14: dffffc0000000000 R15: 0000000020200000 __raw_spin_unlock include/linux/spinlock_api_smp.h:143 [inline] _raw_spin_unlock+0x5f/0x70 kernel/locking/spinlock.c:186 spin_unlock include/linux/spinlock.h:390 [inline] zap_pte_range mm/memory.c:1527 [inline] zap_pmd_range mm/memory.c:1586 [inline] zap_pud_range mm/memory.c:1615 [inline] zap_p4d_range mm/memory.c:1636 [inline] unmap_page_range+0xaae/0x2480 mm/memory.c:1657 unmap_single_vma mm/memory.c:1703 [inline] unmap_vmas+0x4e4/0x660 mm/memory.c:1743 exit_mmap+0x2d1/0x940 mm/mmap.c:3336 __mmput+0x95/0x310 kernel/fork.c:1298 mmput+0x56/0x170 kernel/fork.c:1321 exit_mm kernel/exit.c:566 [inline] do_exit+0xb29/0x2b80 kernel/exit.c:862 do_group_exit+0x21a/0x2d0 kernel/exit.c:1025 get_signal+0x169d/0x1820 kernel/signal.c:2880 arch_do_signal_or_restart+0xb0/0x16f0 arch/x86/kernel/signal.c:871 exit_to_user_mode_loop+0x74/0xa0 kernel/entry/common.c:168 exit_to_user_mode_prepare+0x5a/0xa0 kernel/entry/common.c:204 irqentry_exit_to_user_mode+0x9/0x20 kernel/entry/common.c:310 irqentry_exit+0x12/0x40 kernel/entry/common.c:413 sysvec_apic_timer_interrupt+0x55/0xc0 arch/x86/kernel/apic/apic.c:1106 asm_sysvec_apic_timer_interrupt+0x1b/0x20 arch/x86/include/asm/idtentry.h:653 RIP: 0033:0x7f0d7b62b0e7 Code: Unable to access opcode bytes at 0x7f0d7b62b0bd. RSP: 002b:00007f0d7c32f0d0 EFLAGS: 00000217 RAX: 0000000000000000 RBX: 00007f0d7b7b4050 RCX: 00007f0d7b67cf69 RDX: 00000000200006c0 RSI: 0000000000005452 RDI: 0000000000000007 RBP: 00007f0d7b6da6fe R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 000000000000006e R14: 00007f0d7b7b4050 R15: 00007ffe67d3fe78