Warning: Permanently added '10.128.0.142' (ED25519) to the list of known hosts. [ 279.924954][ C1] rcu: INFO: rcu_preempt detected stalls on CPUs/tasks: [ 279.932097][ C1] rcu: 0-...0: (1 GPs behind) idle=bcac/1/0x4000000000000000 softirq=9591/9594 fqs=2100 [ 279.942634][ C1] rcu: hardirqs softirqs csw/system [ 279.949080][ C1] rcu: number: 0 0 0 [ 279.955525][ C1] rcu: cputime: 0 0 0 ==> 52550(ms) [ 279.963360][ C1] rcu: (detected by 1, t=10506 jiffies, g=13797, q=87 ncpus=2) [ 279.971112][ C1] Sending NMI from CPU 1 to CPUs 0: [ 279.976358][ C0] NMI backtrace for cpu 0 [ 279.976434][ C0] CPU: 0 PID: 10536 Comm: syz-executor347 Not tainted 6.7.0-rc2-next-20231124-syzkaller #0 [ 279.976471][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/10/2023 [ 279.976484][ C0] RIP: 0010:__lock_acquire+0xb26/0x3b10 [ 279.976592][ C0] Code: df 48 8b 54 24 40 48 c1 ea 03 0f b6 04 02 84 c0 74 08 3c 03 0f 8e 56 2d 00 00 45 0f b7 6e 20 41 0f b6 46 22 66 41 81 e5 ff 1f <83> e0 03 48 83 7c 24 18 00 88 44 24 08 0f 84 bd 00 00 00 65 4c 8b [ 279.976616][ C0] RSP: 0018:ffffc9000526f808 EFLAGS: 00000006 [ 279.976636][ C0] RAX: 000000000000000c RBX: 7ff3249bd3db0911 RCX: ffffffff81683d4c [ 279.976652][ C0] RDX: 1ffff11005527161 RSI: ffff88802a938ac0 RDI: 00000000ff3249b7 [ 279.976668][ C0] RBP: 0000000000000000 R08: 0000000000000000 R09: fffffbfff23e49ef [ 279.976683][ C0] R10: ffffffff91f24f7f R11: 0000000000000001 R12: ffffed1005527157 [ 279.976698][ C0] R13: 00000000000001e1 R14: ffff88802a938ae8 R15: 0000000000000002 [ 279.976714][ C0] FS: 0000000000000000(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 [ 279.976738][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 279.976754][ C0] CR2: 00007f07a8c9b9f8 CR3: 000000000cd78000 CR4: 00000000003506f0 [ 279.976770][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 279.976784][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 279.976800][ C0] Call Trace: [ 279.976810][ C0] [ 279.976821][ C0] ? show_regs+0x8e/0xa0 [ 279.976865][ C0] ? nmi_cpu_backtrace+0x1d4/0x390 [ 279.976940][ C0] ? nmi_cpu_backtrace_handler+0xc/0x10 [ 279.976988][ C0] ? nmi_handle+0x1a6/0x580 [ 279.977032][ C0] ? __lock_acquire+0xb26/0x3b10 [ 279.977055][ C0] ? default_do_nmi+0x6a/0x160 [ 279.977104][ C0] ? exc_nmi+0x186/0x200 [ 279.977126][ C0] ? end_repeat_nmi+0xf/0x2a [ 279.977215][ C0] ? __lock_acquire+0xeac/0x3b10 [ 279.977256][ C0] ? __lock_acquire+0xb26/0x3b10 [ 279.977279][ C0] ? __lock_acquire+0xb26/0x3b10 [ 279.977303][ C0] ? __lock_acquire+0xb26/0x3b10 [ 279.977326][ C0] [ 279.977332][ C0] [ 279.977347][ C0] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 279.977372][ C0] ? slab_free_freelist_hook+0x114/0x1e0 [ 279.977421][ C0] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 279.977450][ C0] lock_acquire+0x1b1/0x530 [ 279.977474][ C0] ? vga_put+0x31/0x100 [ 279.977546][ C0] ? lock_sync+0x190/0x190 [ 279.977574][ C0] ? vga_put+0xbc/0x100 [ 279.977597][ C0] ? reacquire_held_locks+0x4c0/0x4c0 [ 279.977624][ C0] ? spin_bug+0x1c0/0x1c0 [ 279.977650][ C0] _raw_spin_lock_irqsave+0x3a/0x50 [ 279.977705][ C0] ? vga_put+0x31/0x100 [ 279.977727][ C0] vga_put+0x31/0x100 [ 279.977752][ C0] vga_arb_release+0x264/0x500 [ 279.977780][ C0] ? __vga_tryget+0xbb0/0xbb0 [ 279.977803][ C0] __fput+0x270/0xbb0 [ 279.977847][ C0] task_work_run+0x14c/0x240 [ 279.977874][ C0] ? task_work_cancel+0x30/0x30 [ 279.977900][ C0] ? do_raw_spin_unlock+0x172/0x230 [ 279.977930][ C0] do_exit+0xa85/0x2ad0 [ 279.977956][ C0] ? get_signal+0x929/0x2770 [ 279.977985][ C0] ? mm_update_next_owner+0x840/0x840 [ 279.978017][ C0] ? do_raw_spin_lock+0x12d/0x2b0 [ 279.978044][ C0] ? spin_bug+0x1c0/0x1c0 [ 279.978070][ C0] do_group_exit+0xd3/0x2a0 [ 279.978097][ C0] get_signal+0x2395/0x2770 [ 279.978133][ C0] ? exit_signals+0x960/0x960 [ 279.978163][ C0] ? do_futex+0x123/0x350 [ 279.978215][ C0] arch_do_signal_or_restart+0x90/0x7e0 [ 279.978255][ C0] ? __fget_files+0x1c6/0x340 [ 279.978281][ C0] ? get_sigframe_size+0x20/0x20 [ 279.978323][ C0] ? do_futex+0x350/0x350 [ 279.978360][ C0] ? ksys_write+0x1a7/0x250 [ 279.978391][ C0] exit_to_user_mode_prepare+0x11e/0x240 [ 279.978434][ C0] syscall_exit_to_user_mode+0x1e/0x60 [ 279.978465][ C0] do_syscall_64+0x4d/0x110 [ 279.978522][ C0] entry_SYSCALL_64_after_hwframe+0x62/0x6a [ 279.978553][ C0] RIP: 0033:0x7f07a8c45369 [ 279.978572][ C0] Code: Unable to access opcode bytes at 0x7f07a8c4533f. [ 279.978582][ C0] RSP: 002b:00007f07a8c06238 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 279.978606][ C0] RAX: fffffffffffffe00 RBX: 00007f07a8ccf308 RCX: 00007f07a8c45369 [ 279.978623][ C0] RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007f07a8ccf308 [ 279.978638][ C0] RBP: 00007f07a8ccf300 R08: 00007f07a8c066c0 R09: 00007f07a8c066c0 [ 279.978654][ C0] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f07a8ccf30c [ 279.978669][ C0] R13: 0000000000000000 R14: 00007fff0756ffe0 R15: 00007fff075700c8 [ 279.978694][ C0] [ 279.978703][ C0] INFO: NMI handler (nmi_cpu_backtrace_handler) took too long to run: 2.345 msecs [ 288.915183][ T27] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 0-...D } 2649 jiffies s: 425 root: 0x1/. [ 288.928476][ T27] rcu: blocking rcu_node structures (internal RCU debug): [ 288.936031][ T27] Sending NMI from CPU 1 to CPUs 0: [ 288.941282][ C0] NMI backtrace for cpu 0 [ 288.941293][ C0] CPU: 0 PID: 10536 Comm: syz-executor347 Not tainted 6.7.0-rc2-next-20231124-syzkaller #0 [ 288.941320][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/10/2023 [ 288.941338][ C0] RIP: 0010:kasan_check_range+0x12/0x190 [ 288.941374][ C0] Code: 31 ff 89 43 0c e8 ae dd ff ff 89 43 08 5b 5d 41 5c c3 66 0f 1f 44 00 00 66 0f 1f 00 48 85 f6 0f 84 48 01 00 00 48 89 f8 41 54 <44> 0f b6 c2 48 01 f0 55 53 0f 82 c6 00 00 00 48 b8 ff ff ff ff ff [ 288.941397][ C0] RSP: 0018:ffffc9000526f7e8 EFLAGS: 00000002 [ 288.941416][ C0] RAX: ffffffff91f24f78 RBX: 00000000000001e1 RCX: ffffffff81678e1e [ 288.941433][ C0] RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffffffff91f24f78 [ 288.941448][ C0] RBP: ffffffff91f77600 R08: 0000000000000000 R09: fffffbfff23e49ef [ 288.941463][ C0] R10: ffffffff91f24f7f R11: 0000000000000001 R12: 00000000000001e1 [ 288.941479][ C0] R13: 00000000000001e1 R14: ffff88802a938ae8 R15: 0000000000000002 [ 288.941494][ C0] FS: 0000000000000000(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 [ 288.941518][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 288.941535][ C0] CR2: 00007f07a8c9b9f8 CR3: 000000000cd78000 CR4: 00000000003506f0 [ 288.941550][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 288.941565][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 288.941580][ C0] Call Trace: [ 288.941587][ C0] [ 288.941596][ C0] ? show_regs+0x8e/0xa0 [ 288.941628][ C0] ? nmi_cpu_backtrace+0x1d4/0x390 [ 288.941669][ C0] ? nmi_cpu_backtrace_handler+0xc/0x10 [ 288.941708][ C0] ? nmi_handle+0x1a6/0x580 [ 288.941739][ C0] ? nmi_raise_cpu_backtrace+0x10/0x10 [ 288.941778][ C0] ? kasan_check_range+0x12/0x190 [ 288.941804][ C0] ? default_do_nmi+0x6a/0x160 [ 288.941829][ C0] ? exc_nmi+0x186/0x200 [ 288.941851][ C0] ? end_repeat_nmi+0xf/0x2a [ 288.941886][ C0] ? hlock_class+0x4e/0x130 [ 288.941923][ C0] ? kasan_check_range+0x12/0x190 [ 288.941949][ C0] ? kasan_check_range+0x12/0x190 [ 288.941977][ C0] ? kasan_check_range+0x12/0x190 [ 288.942002][ C0] [ 288.942009][ C0] [ 288.942016][ C0] hlock_class+0x4e/0x130 [ 288.942051][ C0] __lock_acquire+0x14e2/0x3b10 [ 288.942083][ C0] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 288.942108][ C0] ? slab_free_freelist_hook+0x114/0x1e0 [ 288.942143][ C0] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 288.942171][ C0] lock_acquire+0x1b1/0x530 [ 288.942194][ C0] ? vga_put+0x31/0x100 [ 288.942220][ C0] ? lock_sync+0x190/0x190 [ 288.942240][ C0] ? vga_put+0xbc/0x100 [ 288.942262][ C0] ? reacquire_held_locks+0x4c0/0x4c0 [ 288.942289][ C0] ? spin_bug+0x1c0/0x1c0 [ 288.942316][ C0] _raw_spin_lock_irqsave+0x3a/0x50 [ 288.942356][ C0] ? vga_put+0x31/0x100 [ 288.942378][ C0] vga_put+0x31/0x100 [ 288.942402][ C0] vga_arb_release+0x264/0x500 [ 288.942430][ C0] ? __vga_tryget+0xbb0/0xbb0 [ 288.942453][ C0] __fput+0x270/0xbb0 [ 288.942489][ C0] task_work_run+0x14c/0x240 [ 288.942514][ C0] ? task_work_cancel+0x30/0x30 [ 288.942539][ C0] ? do_raw_spin_unlock+0x172/0x230 [ 288.942569][ C0] do_exit+0xa85/0x2ad0 [ 288.942595][ C0] ? get_signal+0x929/0x2770 [ 288.942623][ C0] ? mm_update_next_owner+0x840/0x840 [ 288.942648][ C0] ? do_raw_spin_lock+0x12d/0x2b0 [ 288.942674][ C0] ? spin_bug+0x1c0/0x1c0 [ 288.942700][ C0] do_group_exit+0xd3/0x2a0 [ 288.942726][ C0] get_signal+0x2395/0x2770 [ 288.942761][ C0] ? exit_signals+0x960/0x960 [ 288.942790][ C0] ? do_futex+0x123/0x350 [ 288.942837][ C0] arch_do_signal_or_restart+0x90/0x7e0 [ 288.942876][ C0] ? __fget_files+0x1c6/0x340 [ 288.942902][ C0] ? get_sigframe_size+0x20/0x20 [ 288.942943][ C0] ? do_futex+0x350/0x350 [ 288.942979][ C0] ? ksys_write+0x1a7/0x250 [ 288.943009][ C0] exit_to_user_mode_prepare+0x11e/0x240 [ 288.943046][ C0] syscall_exit_to_user_mode+0x1e/0x60 [ 288.943075][ C0] do_syscall_64+0x4d/0x110 [ 288.943113][ C0] entry_SYSCALL_64_after_hwframe+0x62/0x6a [ 288.943143][ C0] RIP: 0033:0x7f07a8c45369 [ 288.943160][ C0] Code: Unable to access opcode bytes at 0x7f07a8c4533f. [ 288.943170][ C0] RSP: 002b:00007f07a8c06238 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 288.943192][ C0] RAX: fffffffffffffe00 RBX: 00007f07a8ccf308 RCX: 00007f07a8c45369 [ 288.943208][ C0] RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007f07a8ccf308 [ 288.943223][ C0] RBP: 00007f07a8ccf300 R08: 00007f07a8c066c0 R09: 00007f07a8c066c0 [ 288.943239][ C0] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f07a8ccf30c [ 288.943254][ C0] R13: 0000000000000000 R14: 00007fff0756ffe0 R15: 00007fff075700c8 [ 288.943277][ C0]