general protection fault, probably for non-canonical address 0xffff5180a031a168: 0000 [#1] PREEMPT SMP KASAN KASAN: maybe wild-memory-access in range [0xfffaac05018d0b40-0xfffaac05018d0b47] CPU: 1 PID: 20782 Comm: syz-executor.1 Not tainted 5.9.0-rc5-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:perf_misc_flags+0x125/0x150 arch/x86/events/core.c:2638 Code: e4 48 83 e6 03 41 0f 94 c4 31 ff e8 95 fa 73 00 bb 02 00 00 00 4c 29 e3 49 81 c6 90 00 00 00 4c 89 f0 48 c1 e8 00 00 00 00 38 <00> 74 08 4c 89 f7 e8 b0 bc b3 00 41 8b 06 83 e0 08 48 c1 e0 0b 48 RSP: 0018:ffffc90000da8a08 EFLAGS: 00010006 RAX: ffffc90016f27be8 RBX: 0000000000000001 RCX: ffff8880893f2580 RDX: ffff8880893f2580 RSI: 0000000000000000 RDI: 0000000000000000 RBP: ffffc90000da8ac0 R08: ffffffff810117eb R09: fffffbfff167d699 R10: fffffbfff167d699 R11: 0000000000000000 R12: 0000000000000001 R13: dffffc0000000000 R14: ffffc90016f27be8 R15: dffffc0000000000 FS: 00007f69bc569700(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00000000004e4450 CR3: 000000009dd5d000 CR4: 00000000001506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: perf_prepare_sample+0xea/0x19f0 kernel/events/core.c:7001 __perf_event_output kernel/events/core.c:7170 [inline] perf_event_output_forward+0xa7/0x1c0 kernel/events/core.c:7190 __perf_event_overflow+0x1b9/0x340 kernel/events/core.c:8845 perf_swevent_hrtimer+0x43c/0x4d0 kernel/events/core.c:10247 __run_hrtimer kernel/time/hrtimer.c:1524 [inline] __hrtimer_run_queues+0x42d/0x930 kernel/time/hrtimer.c:1588 hrtimer_interrupt+0x373/0xd60 kernel/time/hrtimer.c:1650 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1080 [inline] __sysvec_apic_timer_interrupt+0xf0/0x260 arch/x86/kernel/apic/apic.c:1097 asm_call_on_stack+0xf/0x20 arch/x86/entry/entry_64.S:706 __run_on_irqstack arch/x86/include/asm/irq_stack.h:22 [inline] run_on_irqstack_cond arch/x86/include/asm/irq_stack.h:48 [inline] sysvec_apic_timer_interrupt+0x94/0xf0 arch/x86/kernel/apic/apic.c:1091 asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:581 RIP: 0010:arch_local_irq_restore arch/x86/include/asm/paravirt.h:770 [inline] RIP: 0010:queue_delayed_work_on+0x166/0x1a0 kernel/workqueue.c:1678 Code: e8 03 80 3c 28 00 74 0c 48 c7 c7 b8 17 4d 89 e8 40 45 68 00 48 83 3d 30 88 00 08 00 74 30 e8 41 7e 28 00 48 8b 7c 24 08 57 9d <0f> 1f 44 00 00 89 d8 48 83 c4 10 5b 41 5c 41 5d 41 5e 41 5f 5d c3 RSP: 0018:ffffc90016f27c08 EFLAGS: 0000026a RAX: ffffffff814c8f8f RBX: 0000000000000101 RCX: 0000000000040000 RDX: ffffc9000a681000 RSI: 000000000003ffff RDI: 0000000000000282 RBP: dffffc0000000000 R08: dffffc0000000000 R09: fffffbfff167d69a R10: fffffbfff167d69a R11: 0000000000000000 R12: 0000000000000001 R13: ffff888095280458 R14: ffff8880aa463c00 R15: 0000000000000200 queue_delayed_work include/linux/workqueue.h:522 [inline] schedule_delayed_work include/linux/workqueue.h:626 [inline] ovs_init_net+0x205/0x220 net/openvswitch/datapath.c:2483 ops_init+0x320/0x410 net/core/net_namespace.c:151 setup_net+0x1cb/0x770 net/core/net_namespace.c:341 copy_net_ns+0x339/0x540 net/core/net_namespace.c:482 create_new_namespaces+0x52e/0x9f0 kernel/nsproxy.c:110 unshare_nsproxy_namespaces+0x123/0x190 kernel/nsproxy.c:231 ksys_unshare+0x468/0x950 kernel/fork.c:2921 __do_sys_unshare kernel/fork.c:2989 [inline] __se_sys_unshare kernel/fork.c:2987 [inline] __x64_sys_unshare+0x34/0x40 kernel/fork.c:2987 do_syscall_64+0x31/0x70 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x44/0xa9 RIP: 0033:0x45d5f9 Code: 5d b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 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 0f 83 2b b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:00007f69bc568c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000110 RAX: ffffffffffffffda RBX: 0000000000036500 RCX: 000000000045d5f9 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000040000000 RBP: 000000000118cf70 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 000000000118cf4c R13: 00007ffcc417e0ef R14: 00007f69bc5699c0 R15: 000000000118cf4c Modules linked in: ---[ end trace 32496ee6303a9063 ]--- RIP: 0010:perf_misc_flags+0x125/0x150 arch/x86/events/core.c:2638 Code: e4 48 83 e6 03 41 0f 94 c4 31 ff e8 95 fa 73 00 bb 02 00 00 00 4c 29 e3 49 81 c6 90 00 00 00 4c 89 f0 48 c1 e8 00 00 00 00 38 <00> 74 08 4c 89 f7 e8 b0 bc b3 00 41 8b 06 83 e0 08 48 c1 e0 0b 48 RSP: 0018:ffffc90000da8a08 EFLAGS: 00010006 RAX: ffffc90016f27be8 RBX: 0000000000000001 RCX: ffff8880893f2580 RDX: ffff8880893f2580 RSI: 0000000000000000 RDI: 0000000000000000 RBP: ffffc90000da8ac0 R08: ffffffff810117eb R09: fffffbfff167d699 R10: fffffbfff167d699 R11: 0000000000000000 R12: 0000000000000001 R13: dffffc0000000000 R14: ffffc90016f27be8 R15: dffffc0000000000 FS: 00007f69bc569700(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00000000004e4450 CR3: 000000009dd5d000 CR4: 00000000001506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400