watchdog: BUG: soft lockup - CPU#1 stuck for 143s! [syz-executor.0:9379] Modules linked in: irq event stamp: 97588 hardirqs last enabled at (97587): [] kvm_wait+0x23b/0x2c0 hardirqs last disabled at (97588): [] sysvec_apic_timer_interrupt+0xe/0xc0 arch/x86/kernel/apic/apic.c:1043 softirqs last enabled at (97560): [] invoke_softirq kernel/softirq.c:428 [inline] softirqs last enabled at (97560): [] __irq_exit_rcu+0xf2/0x1c0 kernel/softirq.c:633 softirqs last disabled at (97555): [] invoke_softirq kernel/softirq.c:428 [inline] softirqs last disabled at (97555): [] __irq_exit_rcu+0xf2/0x1c0 kernel/softirq.c:633 CPU: 1 PID: 9379 Comm: syz-executor.0 Not tainted 6.8.0-syzkaller-05236-g443574b03387 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024 RIP: 0010:native_safe_halt arch/x86/include/asm/irqflags.h:48 [inline] RIP: 0010:arch_safe_halt arch/x86/include/asm/irqflags.h:86 [inline] RIP: 0010:kvm_wait+0x250/0x2c0 arch/x86/kernel/kvm.c:1059 Code: 3b 45 0f b6 f6 44 89 ff 44 89 f6 e8 0a 09 55 00 e8 25 38 5c 00 45 38 f7 75 15 66 90 e8 79 08 55 00 0f 00 2d a2 47 68 0a fb f4 50 fe ff ff e8 66 08 55 00 fb e9 45 fe ff ff 89 d9 80 e1 07 38 RSP: 0018:ffffc9000dbafb20 EFLAGS: 000002d3 RAX: ffffffff813fe7f7 RBX: ffff88801d0d19d8 RCX: ffff888029458000 RDX: 0000000000000000 RSI: ffffffff8baac220 RDI: ffffffff8bfec6e0 RBP: ffffc9000dbafbf0 R08: ffffffff92cc753f R09: 1ffffffff2598ea7 R10: dffffc0000000000 R11: fffffbfff2598ea8 R12: 1ffff92001b75f68 R13: dffffc0000000000 R14: 0000000000000003 R15: 0000000000000003 FS: 000055557bc2b480(0000) GS:ffff8880b9500000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f8c9248519c CR3: 000000001f436000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 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] lock_for_kill+0xdc/0x210 fs/dcache.c:653 dput+0x18a/0x2b0 fs/dcache.c:843 __fput+0x678/0x8a0 fs/file_table.c:431 __do_sys_close fs/open.c:1557 [inline] __se_sys_close fs/open.c:1542 [inline] __x64_sys_close+0x7f/0x110 fs/open.c:1542 do_syscall_64+0xfb/0x240 entry_SYSCALL_64_after_hwframe+0x6d/0x75 RIP: 0033:0x7f3f54a7cd9a 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:00007ffefe97d900 EFLAGS: 00000293 ORIG_RAX: 0000000000000003 RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f3f54a7cd9a RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000004 RBP: 00007f3f54bad980 R08: 00007f3f54a00000 R09: 0000000000000001 R10: 0000000000000001 R11: 0000000000000293 R12: 0000000000039940 R13: 000000000003990e R14: 00007ffefe97dac0 R15: 00007f3f54a34cb0 Sending NMI from CPU 1 to CPUs 0: NMI backtrace for cpu 0 CPU: 0 PID: 9371 Comm: syz-executor.1 Not tainted 6.8.0-syzkaller-05236-g443574b03387 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024 RIP: 0010:__lock_acquire+0xc33/0x1fd0 kernel/locking/lockdep.c:5107 Code: 00 85 c0 0f 84 64 05 00 00 48 c7 c0 a0 f4 4b 94 48 c1 e8 03 48 bf 00 00 00 00 00 fc ff df 0f b6 04 38 84 c0 0f 85 aa 0c 00 00 <83> 3d 76 48 da 12 00 75 39 48 63 9c 24 88 00 00 00 48 89 d8 48 c1 RSP: 0018:ffffc900000076d0 EFLAGS: 00000097 RAX: 0000000000000004 RBX: ffffffff929aee8e RCX: ffffffff944bf403 RDX: 0000000000000000 RSI: 0000000000000008 RDI: dffffc0000000000 RBP: ffff88801cb2a978 R08: ffffffff92cc7507 R09: 1ffffffff2598ea0 R10: dffffc0000000000 R11: fffffbfff2598ea1 R12: 0000000000000000 R13: ffff88801cb29e00 R14: 1ffff11003965533 R15: ffff88801cb2a998 FS: 000055557f37b480(0000) GS:ffff8880b9400000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b31329000 CR3: 0000000065968000 CR4: 00000000003506f0 DR0: 0000000000000004 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000600 Call Trace: lock_acquire+0x1e4/0x530 kernel/locking/lockdep.c:5754 rcu_lock_acquire include/linux/rcupdate.h:298 [inline] rcu_read_lock_sched include/linux/rcupdate.h:842 [inline] pfn_valid include/linux/mmzone.h:2016 [inline] __virt_addr_valid+0x1a0/0x520 arch/x86/mm/physaddr.c:65 kasan_addr_to_slab+0xd/0x20 mm/kasan/common.c:37 __kasan_record_aux_stack+0x11/0xc0 mm/kasan/generic.c:536 irq_work_queue_on+0x118/0x260 kernel/irq_work.c:150 rcu_read_unlock_special+0x3cf/0x550 kernel/rcu/tree_plugin.h:675 __rcu_read_unlock+0xa1/0x110 kernel/rcu/tree_plugin.h:426 rcu_read_unlock include/linux/rcupdate.h:782 [inline] trace_call_bpf+0x5e1/0x880 kernel/trace/bpf_trace.c:149 perf_trace_run_bpf_submit+0x7c/0x1d0 kernel/events/core.c:10161 perf_trace_preemptirq_template+0x2d2/0x3f0 include/trace/events/preemptirq.h:14 trace_irq_enable+0xd3/0x100 include/trace/events/preemptirq.h:40 trace_hardirqs_on+0x18/0x40 kernel/trace/trace_preemptirq.c:56 irqentry_exit+0x63/0x90 kernel/entry/common.c:351 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/0x943 kernel/softirq.c:542 Code: 89 7c 24 70 0f b7 db 48 c7 c7 20 bb a9 8b e8 6c 26 f5 ff 65 66 c7 05 2a e3 88 74 00 00 e8 8d 34 21 f6 fb 49 c7 c7 c0 a0 e0 8d <89> 5c 24 34 b8 ff ff ff ff 0f bc 44 24 34 41 89 c4 41 ff c4 0f 84 RSP: 0018:ffffc90000007e40 EFLAGS: 00000286 RAX: 6b2fae21c318fe00 RBX: 0000000000000200 RCX: ffffffff81720c2a RDX: dffffc0000000000 RSI: ffffffff8baac220 RDI: ffffffff8bfec6e0 RBP: ffffc90000007f50 R08: ffffffff92cc753f R09: 1ffffffff2598ea7 R10: dffffc0000000000 R11: fffffbfff2598ea8 R12: ffff88801cb29e00 R13: 0000000000000000 R14: dffffc0000000000 R15: ffffffff8de0a0c0 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 e9 93 87 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:ffffc9000db07d00 EFLAGS: 00000206 RAX: 6b2fae21c318fe00 RBX: 1ffff92001b60fa8 RCX: ffffffff81720c2a RDX: dffffc0000000000 RSI: ffffffff8baac220 RDI: ffffffff8bfec6e0 RBP: ffffc9000db07de0 R08: ffffffff92cc753f R09: 1ffffffff2598ea7 R10: dffffc0000000000 R11: fffffbfff2598ea8 R12: 0000000000000000 R13: ffff88801cb2a258 R14: ffffc9000db07d40 R15: 1ffff92001b60fa4 __rcu_read_unlock+0xa1/0x110 kernel/rcu/tree_plugin.h:426 rcu_read_unlock+0x85/0xa0 include/linux/rcupdate.h:782 dput+0x197/0x2b0 fs/dcache.c:844 __fput+0x678/0x8a0 fs/file_table.c:431 __do_sys_close fs/open.c:1557 [inline] __se_sys_close fs/open.c:1542 [inline] __x64_sys_close+0x7f/0x110 fs/open.c:1542 do_syscall_64+0xfb/0x240 entry_SYSCALL_64_after_hwframe+0x6d/0x75 RIP: 0033:0x7f5eee07cd9a 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:00007fff01aae740 EFLAGS: 00000293 ORIG_RAX: 0000000000000003 RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f5eee07cd9a RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000003 RBP: 00007f5eee1ad980 R08: 00007f5eee000000 R09: 0000000000000001 R10: 0000000000000001 R11: 0000000000000293 R12: 0000000000039b35 R13: 000000000003990f R14: 00007fff01aae900 R15: 00007f5eee034cb0