watchdog: BUG: soft lockup - CPU#0 stuck for 144s! [syz-executor.4:7241] Modules linked in: irq event stamp: 917914 hardirqs last enabled at (917913): [] kvm_wait+0x23b/0x2c0 hardirqs last disabled at (917914): [] sysvec_apic_timer_interrupt+0xe/0xc0 arch/x86/kernel/apic/apic.c:1043 softirqs last enabled at (917910): [] invoke_softirq kernel/softirq.c:428 [inline] softirqs last enabled at (917910): [] __irq_exit_rcu+0xf2/0x1c0 kernel/softirq.c:633 softirqs last disabled at (917873): [] invoke_softirq kernel/softirq.c:428 [inline] softirqs last disabled at (917873): [] __irq_exit_rcu+0xf2/0x1c0 kernel/softirq.c:633 CPU: 0 PID: 7241 Comm: syz-executor.4 Not tainted 6.9.0-rc5-syzkaller-00185-g3e9bc0472b91 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 RIP: 0010:native_safe_halt arch/x86/include/asm/irqflags.h:48 [inline] RIP: 0010:arch_safe_halt arch/x86/include/asm/irqflags.h:86 [inline] RIP: 0010:kvm_wait+0x250/0x2c0 arch/x86/kernel/kvm.c:1060 Code: 3b 45 0f b6 f6 44 89 ff 44 89 f6 e8 9a 68 55 00 e8 05 a5 5c 00 45 38 f7 75 15 66 90 e8 09 68 55 00 0f 00 2d 02 89 87 0a fb f4 50 fe ff ff e8 f6 67 55 00 fb e9 45 fe ff ff 89 d9 80 e1 07 38 RSP: 0018:ffffc9000e707740 EFLAGS: 00000246 RAX: ffffffff814097f7 RBX: ffff88801d4d4088 RCX: 0000000000040000 RDX: ffffc9000b888000 RSI: 000000000003ffff RDI: 0000000000040000 RBP: ffffc9000e707810 R08: ffffffff92f3553f R09: 1ffffffff25e6aa7 R10: dffffc0000000000 R11: fffffbfff25e6aa8 R12: 1ffff92001ce0eec R13: dffffc0000000000 R14: 0000000000000003 R15: 0000000000000003 FS: 00007f2f4ae166c0(0000) GS:ffff8880b9400000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000000000 CR3: 0000000028016000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600 Call Trace: pv_wait arch/x86/include/asm/paravirt.h:596 [inline] pv_wait_head_or_lock kernel/locking/qspinlock_paravirt.h:470 [inline] __pv_queued_spin_lock_slowpath+0x6ff/0xc60 kernel/locking/qspinlock.c:511 pv_queued_spin_lock_slowpath arch/x86/include/asm/paravirt.h:584 [inline] queued_spin_lock_slowpath+0x42/0x50 arch/x86/include/asm/qspinlock.h:51 queued_spin_lock include/asm-generic/qspinlock.h:114 [inline] do_raw_spin_lock+0x272/0x370 kernel/locking/spinlock_debug.c:116 spin_lock include/linux/spinlock.h:351 [inline] d_instantiate+0x64/0xa0 fs/dcache.c:1879 alloc_path_pseudo fs/file_table.c:334 [inline] alloc_file_pseudo+0x19e/0x290 fs/file_table.c:346 __anon_inode_getfile fs/anon_inodes.c:109 [inline] __anon_inode_getfd fs/anon_inodes.c:202 [inline] anon_inode_getfd+0xce/0x1e0 fs/anon_inodes.c:237 bpf_prog_load+0x1917/0x20f0 kernel/bpf/syscall.c:2925 __sys_bpf+0x4ee/0x810 kernel/bpf/syscall.c:5665 __do_sys_bpf kernel/bpf/syscall.c:5772 [inline] __se_sys_bpf kernel/bpf/syscall.c:5770 [inline] __x64_sys_bpf+0x7c/0x90 kernel/bpf/syscall.c:5770 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xf5/0x240 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f2f4a07dd69 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:00007f2f4ae160c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 RAX: ffffffffffffffda RBX: 00007f2f4a1abf80 RCX: 00007f2f4a07dd69 RDX: 0000000000000090 RSI: 00000000200000c0 RDI: 0000000000000005 RBP: 00007f2f4a0ca49e R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 000000000000004d R14: 00007f2f4a1abf80 R15: 00007ffcb45e3f58 Sending NMI from CPU 0 to CPUs 1: NMI backtrace for cpu 1 CPU: 1 PID: 7236 Comm: syz-executor.3 Not tainted 6.9.0-rc5-syzkaller-00185-g3e9bc0472b91 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 RIP: 0010:debug_smp_processor_id+0xb/0x20 lib/smp_processor_id.c:60 Code: e9 66 ff ff ff 66 2e 0f 1f 84 00 00 00 00 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 48 c7 c7 80 96 1f 8c <48> c7 c6 c0 96 1f 8c eb 1c 66 2e 0f 1f 84 00 00 00 00 00 66 90 90 RSP: 0018:ffffc90000a08d38 EFLAGS: 00000006 RAX: 0000000000010102 RBX: 0000000000000001 RCX: ffffffff81344b28 RDX: ffff88802104da00 RSI: 0000000000000001 RDI: ffffffff8c1f9680 RBP: 0000000000000001 R08: ffffffff81344b4e R09: 1ffffffff1f51fb5 R10: dffffc0000000000 R11: fffffbfff1f51fb6 R12: 0000000000000000 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 FS: 000055557ab67480(0000) GS:ffff8880b9500000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b31b25000 CR3: 000000007d328000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600 Call Trace: rcu_dynticks_curr_cpu_in_eqs include/linux/context_tracking.h:122 [inline] rcu_is_watching+0x15/0xb0 kernel/rcu/tree.c:700 trace_irq_work_entry arch/x86/include/asm/trace/irq_vectors.h:64 [inline] __sysvec_irq_work+0x88/0x430 arch/x86/kernel/irq_work.c:20 instr_sysvec_irq_work arch/x86/kernel/irq_work.c:17 [inline] sysvec_irq_work+0x4f/0xc0 arch/x86/kernel/irq_work.c:17 asm_sysvec_irq_work+0x1a/0x20 arch/x86/include/asm/idtentry.h:738 RIP: 0010:variable_ffs arch/x86/include/asm/bitops.h:321 [inline] RIP: 0010:__do_softirq+0x1db/0x980 kernel/softirq.c:542 Code: 89 7c 24 70 0f b7 db 48 c7 c7 20 ae c9 8b e8 dc 20 f5 ff 65 66 c7 05 1a c8 78 74 00 00 e8 1d 31 12 f6 fb 49 c7 c5 c0 a0 00 8e <89> 5c 24 34 b8 ff ff ff ff 0f bc 44 24 34 41 89 c4 41 ff c4 0f 84 RSP: 0018:ffffc90000a08e40 EFLAGS: 00000286 RAX: ccec52b9d3881200 RBX: 0000000000000200 RCX: ffffffff8172ec7a RDX: dffffc0000000000 RSI: ffffffff8bcab8a0 RDI: ffffffff8c1f96e0 RBP: ffffc90000a08f50 R08: ffffffff92f3553f R09: 1ffffffff25e6aa7 R10: dffffc0000000000 R11: fffffbfff25e6aa8 R12: ffff88802104da00 R13: ffffffff8e00a0c0 R14: dffffc0000000000 R15: 1ffff920001411dc invoke_softirq kernel/softirq.c:428 [inline] __irq_exit_rcu+0xf2/0x1c0 kernel/softirq.c:633 irq_exit_rcu+0x9/0x30 kernel/softirq.c:645 instr_sysvec_irq_work arch/x86/kernel/irq_work.c:17 [inline] sysvec_irq_work+0xa3/0xc0 arch/x86/kernel/irq_work.c:17 asm_sysvec_irq_work+0x1a/0x20 arch/x86/include/asm/idtentry.h:738 RIP: 0010:rcu_read_unlock_special+0x88/0x550 kernel/rcu/tree_plugin.h:682 Code: f1 f1 f1 00 f2 f2 f2 49 89 04 17 66 41 c7 44 17 09 f3 f3 41 c6 44 17 0b f3 65 44 8b 25 f9 a9 86 7e 41 f7 c4 00 00 f0 00 74 49 <48> c7 44 24 20 0e 36 e0 45 4a c7 04 3a 00 00 00 00 66 42 c7 44 3a RSP: 0018:ffffc9000e6f7d00 EFLAGS: 00000206 RAX: ccec52b9d3881200 RBX: 1ffff92001cdefa8 RCX: ffffffff8172ec7a RDX: dffffc0000000000 RSI: ffffffff8bcab8a0 RDI: ffffffff8c1f96e0 RBP: ffffc9000e6f7de0 R08: ffffffff92f3553f R09: 1ffffffff25e6aa7 R10: dffffc0000000000 R11: fffffbfff25e6aa8 R12: 0000000000000000 R13: ffff88802104de58 R14: ffffc9000e6f7d40 R15: 1ffff92001cdefa4 __rcu_read_unlock+0xa1/0x110 kernel/rcu/tree_plugin.h:426 rcu_read_unlock+0x85/0xa0 include/linux/rcupdate.h:813 dput+0x197/0x2b0 fs/dcache.c:844 __fput+0x678/0x8a0 fs/file_table.c:430 __do_sys_close fs/open.c:1556 [inline] __se_sys_close fs/open.c:1541 [inline] __x64_sys_close+0x7f/0x110 fs/open.c:1541 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xf5/0x240 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7febbe07cc5a Code: 48 3d 00 f0 ff ff 77 48 c3 0f 1f 80 00 00 00 00 48 83 ec 18 89 7c 24 0c e8 03 7f 02 00 8b 7c 24 0c 89 c2 b8 03 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 36 89 d7 89 44 24 0c e8 63 7f 02 00 8b 44 24 RSP: 002b:00007ffe435ca2f0 EFLAGS: 00000293 ORIG_RAX: 0000000000000003 RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007febbe07cc5a RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000003 RBP: 00007febbe1ad980 R08: 0000001b32220000 R09: 00000000000000e6 R10: 000000008142a9c2 R11: 0000000000000293 R12: 000000000001ddbc R13: 00007febbe1ac05c R14: 00007febbe1ac050 R15: 0000000000000032