BUG: unable to handle page fault for address: ffffc900037c0330 #PF: supervisor read access in kernel mode #PF: error_code(0x0000) - not-present page PGD 11800067 P4D 11800067 PUD 119c9067 PMD 1cae9067 PTE 0 Oops: 0000 [#1] PREEMPT SMP KASAN CPU: 1 PID: 3595 Comm: sshd Not tainted 6.0.0-rc1-syzkaller-00160-g4c2d0b039c5c #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 RIP: 0010:arch_atomic_read arch/x86/include/asm/atomic.h:29 [inline] RIP: 0010:atomic_read include/linux/atomic/atomic-instrumented.h:28 [inline] RIP: 0010:kvm_arch_hardware_enable+0x2ab/0x840 arch/x86/kvm/x86.c:11847 Code: 48 89 e8 48 b9 00 00 00 00 00 fc ff df 48 c1 e8 03 0f b6 14 08 48 89 e8 83 e0 07 83 c0 03 38 d0 7c 08 84 d2 0f 85 ed 04 00 00 <41> 8b 95 30 13 00 00 4d 8d b5 40 12 00 00 b9 08 00 00 00 4c 89 fe RSP: 0018:ffffc900001e0ea0 EFLAGS: 00010082 RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffffff81120fe0 RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffffc900037c0330 RBP: ffffc900037c0330 R08: 0000000000000000 R09: 0000000000000003 R10: fffff520006f8066 R11: 0000000000000001 R12: 0000000000000000 R13: ffffc900037bf000 R14: 0023001000000000 R15: ffffc900001e0ef8 FS: 00007f02852e4800(0000) GS:ffff8880b9b00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffffc900037c0330 CR3: 00000000259fa000 CR4: 00000000003526e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: hardware_enable_nolock+0xa7/0x140 arch/x86/kvm/../../../virt/kvm/kvm_main.c:5007 __flush_smp_call_function_queue+0x205/0x9a0 kernel/smp.c:631 __sysvec_call_function_single+0x95/0x3d0 arch/x86/kernel/smp.c:248 sysvec_call_function_single+0x8e/0xc0 arch/x86/kernel/smp.c:243 asm_sysvec_call_function_single+0x16/0x20 arch/x86/include/asm/idtentry.h:657 RIP: 0010:preempt_count arch/x86/include/asm/preempt.h:27 [inline] RIP: 0010:check_kcov_mode kernel/kcov.c:166 [inline] RIP: 0010:__sanitizer_cov_trace_pc+0x0/0x60 kernel/kcov.c:200 Code: 48 89 ef 5d e9 11 b6 4b 00 5d be 03 00 00 00 e9 c6 38 81 02 66 0f 1f 44 00 00 48 8b be a8 01 00 00 e8 b4 ff ff ff 31 c0 c3 90 <65> 8b 05 e9 63 86 7e 89 c1 48 8b 34 24 81 e1 00 01 00 00 65 48 8b RSP: 0018:ffffc90003a9f500 EFLAGS: 00000293 RAX: 0000000000000000 RBX: ffff888026631800 RCX: 0000000000000000 RDX: ffff888026bd0000 RSI: ffffffff87d89836 RDI: 0000000000000007 RBP: ffff888054107770 R08: 0000000000000007 R09: 0000000000000000 R10: 0000000000000200 R11: 0000000000000000 R12: 0000000000000200 R13: ffffed1004cc633a R14: 0000000000000000 R15: ffff888054107848 __seqprop_spinlock_sequence include/linux/seqlock.h:275 [inline] read_seqbegin include/linux/seqlock.h:836 [inline] neigh_hh_output include/net/neighbour.h:505 [inline] neigh_output include/net/neighbour.h:549 [inline] ip_finish_output2+0xa3c/0x2170 net/ipv4/ip_output.c:228 __ip_finish_output net/ipv4/ip_output.c:306 [inline] __ip_finish_output+0x396/0x650 net/ipv4/ip_output.c:288 ip_finish_output+0x2d/0x280 net/ipv4/ip_output.c:316 NF_HOOK_COND include/linux/netfilter.h:296 [inline] ip_output+0x19f/0x310 net/ipv4/ip_output.c:430 dst_output include/net/dst.h:451 [inline] ip_local_out net/ipv4/ip_output.c:126 [inline] __ip_queue_xmit+0x8de/0x1be0 net/ipv4/ip_output.c:532 __tcp_transmit_skb+0x1967/0x3800 net/ipv4/tcp_output.c:1402 tcp_transmit_skb net/ipv4/tcp_output.c:1420 [inline] tcp_write_xmit+0xd89/0x6050 net/ipv4/tcp_output.c:2691 __tcp_push_pending_frames+0xaa/0x380 net/ipv4/tcp_output.c:2875 tcp_push+0x499/0x720 net/ipv4/tcp.c:728 tcp_sendmsg_locked+0x241f/0x2f80 net/ipv4/tcp.c:1455 tcp_sendmsg+0x2b/0x40 net/ipv4/tcp.c:1483 inet_sendmsg+0x99/0xe0 net/ipv4/af_inet.c:819 sock_sendmsg_nosec net/socket.c:714 [inline] sock_sendmsg+0xcf/0x120 net/socket.c:734 sock_write_iter+0x291/0x3d0 net/socket.c:1108 call_write_iter include/linux/fs.h:2187 [inline] new_sync_write fs/read_write.c:491 [inline] vfs_write+0x9e9/0xdd0 fs/read_write.c:578 ksys_write+0x1e8/0x250 fs/read_write.c:631 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7f02854289a3 Code: 8b 15 d9 f4 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 RSP: 002b:00007ffc8c5a6688 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 RAX: ffffffffffffffda RBX: 00000000000001d4 RCX: 00007f02854289a3 RDX: 00000000000001d4 RSI: 000055c6a395a190 RDI: 0000000000000004 RBP: 000055c6a3920e10 R08: 0000000000000000 R09: 00007ffc8c5ec080 R10: 00007ffc8c5ec0f0 R11: 0000000000000246 R12: 0000000000000004 R13: 0000000000000001 R14: 00007ffc8c5a66f8 R15: 00007ffc8c5a6778 Modules linked in: CR2: ffffc900037c0330 ---[ end trace 0000000000000000 ]--- RIP: 0010:arch_atomic_read arch/x86/include/asm/atomic.h:29 [inline] RIP: 0010:atomic_read include/linux/atomic/atomic-instrumented.h:28 [inline] RIP: 0010:kvm_arch_hardware_enable+0x2ab/0x840 arch/x86/kvm/x86.c:11847 Code: 48 89 e8 48 b9 00 00 00 00 00 fc ff df 48 c1 e8 03 0f b6 14 08 48 89 e8 83 e0 07 83 c0 03 38 d0 7c 08 84 d2 0f 85 ed 04 00 00 <41> 8b 95 30 13 00 00 4d 8d b5 40 12 00 00 b9 08 00 00 00 4c 89 fe RSP: 0018:ffffc900001e0ea0 EFLAGS: 00010082 RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffffff81120fe0 RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffffc900037c0330 RBP: ffffc900037c0330 R08: 0000000000000000 R09: 0000000000000003 R10: fffff520006f8066 R11: 0000000000000001 R12: 0000000000000000 R13: ffffc900037bf000 R14: 0023001000000000 R15: ffffc900001e0ef8 FS: 00007f02852e4800(0000) GS:ffff8880b9b00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffffc900037c0330 CR3: 00000000259fa000 CR4: 00000000003526e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 ---------------- Code disassembly (best guess): 0: 48 89 e8 mov %rbp,%rax 3: 48 b9 00 00 00 00 00 movabs $0xdffffc0000000000,%rcx a: fc ff df d: 48 c1 e8 03 shr $0x3,%rax 11: 0f b6 14 08 movzbl (%rax,%rcx,1),%edx 15: 48 89 e8 mov %rbp,%rax 18: 83 e0 07 and $0x7,%eax 1b: 83 c0 03 add $0x3,%eax 1e: 38 d0 cmp %dl,%al 20: 7c 08 jl 0x2a 22: 84 d2 test %dl,%dl 24: 0f 85 ed 04 00 00 jne 0x517 * 2a: 41 8b 95 30 13 00 00 mov 0x1330(%r13),%edx <-- trapping instruction 31: 4d 8d b5 40 12 00 00 lea 0x1240(%r13),%r14 38: b9 08 00 00 00 mov $0x8,%ecx 3d: 4c 89 fe mov %r15,%rsi