watchdog: BUG: soft lockup - CPU#1 stuck for 143s! [syz.2.404:6528] Modules linked in: irq event stamp: 535650 hardirqs last enabled at (535649): [] kvm_wait+0x23b/0x2c0 hardirqs last disabled at (535650): [] sysvec_apic_timer_interrupt+0xe/0xc0 arch/x86/kernel/apic/apic.c:1043 softirqs last enabled at (535646): [] __do_softirq kernel/softirq.c:588 [inline] softirqs last enabled at (535646): [] invoke_softirq kernel/softirq.c:428 [inline] softirqs last enabled at (535646): [] __irq_exit_rcu+0xf4/0x1c0 kernel/softirq.c:637 softirqs last disabled at (535527): [] __do_softirq kernel/softirq.c:588 [inline] softirqs last disabled at (535527): [] invoke_softirq kernel/softirq.c:428 [inline] softirqs last disabled at (535527): [] __irq_exit_rcu+0xf4/0x1c0 kernel/softirq.c:637 CPU: 1 UID: 0 PID: 6528 Comm: syz.2.404 Not tainted 6.10.0-syzkaller-12690-gfdf1c728fac5 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/27/2024 RIP: 0010:native_safe_halt arch/x86/include/asm/irqflags.h:48 [inline] RIP: 0010:arch_safe_halt arch/x86/include/asm/irqflags.h:106 [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 7a 2e 53 00 e8 d5 92 5a 00 45 38 f7 75 15 66 90 e8 e9 2d 53 00 0f 00 2d 82 da c7 0a fb f4 50 fe ff ff e8 d6 2d 53 00 fb e9 45 fe ff ff 89 d9 80 e1 07 38 RSP: 0018:ffffc90004ab7880 EFLAGS: 00000246 RAX: ffffffff81405737 RBX: ffff88801dcd63b8 RCX: 0000000000040000 RDX: ffffc9000a3dc000 RSI: 000000000003ffff RDI: 0000000000040000 RBP: ffffc90004ab7950 R08: ffffffff9372683f R09: 1ffffffff26e4d07 R10: dffffc0000000000 R11: fffffbfff26e4d08 R12: 1ffff92000956f14 R13: dffffc0000000000 R14: 0000000000000003 R15: 0000000000000003 FS: 00007f66cf74e6c0(0000) GS:ffff8880b9300000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f66cf74df98 CR3: 00000000118fc000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: pv_wait arch/x86/include/asm/paravirt.h:596 [inline] pv_wait_head_or_lock kernel/locking/qspinlock_paravirt.h:466 [inline] __pv_queued_spin_lock_slowpath+0x8d0/0xdc0 kernel/locking/qspinlock.c:508 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:1888 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:234 [inline] anon_inode_getfd+0xce/0x1e0 fs/anon_inodes.c:269 map_create+0xe5b/0x1200 kernel/bpf/syscall.c:1397 __sys_bpf+0x6d1/0x810 kernel/bpf/syscall.c:5692 __do_sys_bpf kernel/bpf/syscall.c:5817 [inline] __se_sys_bpf kernel/bpf/syscall.c:5815 [inline] __x64_sys_bpf+0x7c/0x90 kernel/bpf/syscall.c:5815 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f66ce9799b9 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:00007f66cf74e038 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 RAX: ffffffffffffffda RBX: 00007f66ceb16058 RCX: 00007f66ce9799b9 RDX: 0000000000000048 RSI: 00000000200009c0 RDI: 0000000000000000 RBP: 00007f66ce9e78d8 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000001 R14: 00007f66ceb16058 R15: 00007fff13164af8 Sending NMI from CPU 1 to CPUs 0: NMI backtrace for cpu 0 CPU: 0 UID: 0 PID: 6526 Comm: syz.2.404 Not tainted 6.10.0-syzkaller-12690-gfdf1c728fac5 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/27/2024 RIP: 0010:bytes_is_nonzero mm/kasan/generic.c:87 [inline] RIP: 0010:memory_is_nonzero mm/kasan/generic.c:104 [inline] RIP: 0010:memory_is_poisoned_n mm/kasan/generic.c:129 [inline] RIP: 0010:memory_is_poisoned mm/kasan/generic.c:161 [inline] RIP: 0010:check_region_inline mm/kasan/generic.c:180 [inline] RIP: 0010:kasan_check_range+0x86/0x290 mm/kasan/generic.c:189 Code: 00 fc ff df 4f 8d 3c 31 4c 89 fd 4c 29 dd 48 83 fd 10 7f 29 48 85 ed 0f 84 3e 01 00 00 4c 89 cd 48 f7 d5 48 01 dd 41 80 3b 00 <0f> 85 c9 01 00 00 49 ff c3 48 ff c5 75 ee e9 1e 01 00 00 45 89 dc RSP: 0018:ffffc90000007d30 EFLAGS: 00000046 RAX: 0000000000000001 RBX: 1ffffffff202f35d RCX: ffffffff8133e77e RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffffffff90179ae8 RBP: ffffffffffffffff R08: ffffffff90179aef R09: 1ffffffff202f35d R10: dffffc0000000000 R11: fffffbfff202f35d R12: 0000000000000000 R13: 0000000000000000 R14: dffffc0000000001 R15: fffffbfff202f35e FS: 00007f66cf76f6c0(0000) GS:ffff8880b9200000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b3291eff8 CR3: 00000000118fc000 CR4: 00000000003506f0 DR0: ffff8880b940a000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600 Call Trace: instrument_atomic_read include/linux/instrumented.h:68 [inline] _test_bit include/asm-generic/bitops/instrumented-non-atomic.h:141 [inline] cpumask_test_cpu include/linux/cpumask.h:562 [inline] cpu_online include/linux/cpumask.h:1141 [inline] trace_irq_work_exit arch/x86/include/asm/trace/irq_vectors.h:64 [inline] __sysvec_irq_work+0xfe/0x430 arch/x86/kernel/irq_work.c:23 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:handle_softirqs+0x1df/0x970 kernel/softirq.c:542 Code: 89 7c 24 70 0f b7 db 48 c7 c7 e0 ca 09 8c e8 38 21 5e 0a 65 66 c7 05 66 94 ac 7e 00 00 e8 f9 a6 43 00 fb 49 c7 c4 c0 a0 60 8e ff ff ff ff 0f bc c3 41 89 c7 41 ff c7 0f 84 e6 03 00 00 89 5c RSP: 0018:ffffc90000007e40 EFLAGS: 00000286 RAX: 3c55cc11e0929d00 RBX: 0000000000000200 RCX: ffffffff817020fa RDX: dffffc0000000000 RSI: ffffffff8c0ad5a0 RDI: ffffffff8c606a20 RBP: ffffc90000007f50 R08: ffffffff9372683f R09: 1ffffffff26e4d07 R10: dffffc0000000000 R11: fffffbfff26e4d08 R12: ffffffff8e60a0c0 R13: 0000000000000000 R14: dffffc0000000000 R15: 1ffff92000000fdc __do_softirq kernel/softirq.c:588 [inline] invoke_softirq kernel/softirq.c:428 [inline] __irq_exit_rcu+0xf4/0x1c0 kernel/softirq.c:637 irq_exit_rcu+0x9/0x30 kernel/softirq.c:649 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:692 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 09 59 89 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:ffffc90009057d20 EFLAGS: 00000206 RAX: 3c55cc11e0929d00 RBX: 1ffff9200120afac RCX: ffffffff817020fa RDX: dffffc0000000000 RSI: ffffffff8c0ad5a0 RDI: ffffffff8c606a20 RBP: ffffc90009057df0 R08: ffffffff9372683f R09: 1ffffffff26e4d07 R10: dffffc0000000000 R11: fffffbfff26e4d08 R12: 0000000000000000 R13: ffff888029fc8460 R14: ffffc90009057d60 R15: 1ffff9200120afa8 __rcu_read_unlock+0xa1/0x110 kernel/rcu/tree_plugin.h:436 dput+0x197/0x2b0 fs/dcache.c:851 __fput+0x5f8/0x8a0 fs/file_table.c:430 __do_sys_close fs/open.c:1566 [inline] __se_sys_close fs/open.c:1551 [inline] __x64_sys_close+0x7f/0x110 fs/open.c:1551 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f66ce9799b9 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:00007f66cf76f038 EFLAGS: 00000246 ORIG_RAX: 0000000000000003 RAX: ffffffffffffffda RBX: 00007f66ceb15f80 RCX: 00007f66ce9799b9 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000003 RBP: 00007f66ce9e78d8 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000000 R14: 00007f66ceb15f80 R15: 00007fff13164af8