IPVS: ftp: loaded support on port[0] = 21 ------------[ cut here ]------------ kernel BUG at arch/x86/mm/physaddr.c:27! invalid opcode: 0000 [#1] PREEMPT SMP KASAN Modules linked in: CPU: 0 PID: 1 Comm: systemd Not tainted 4.14.180-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 task: ffff8880a9808040 task.stack: ffff8880a9810000 RIP: 0010:__phys_addr+0x80/0xe0 arch/x86/mm/physaddr.c:27 RSP: 0018:ffff8880a9817b98 EFLAGS: 00010297 RAX: ffff8880a9808040 RBX: 0007070000000707 RCX: 0000000000000000 RDX: 0000000000000000 RSI: ffff8880a98088c8 RDI: 0007070000000707 RBP: 0007070080000707 R08: 0000000000000001 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: 00077e8000000707 R13: ffff8880a9817bf0 R14: 0000000000000000 R15: 0000000000000286 FS: 00007f2670358500(0000) GS:ffff8880aea00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000055a9e893f928 CR3: 000000009a7dd000 CR4: 00000000001406f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: virt_to_head_page include/linux/mm.h:600 [inline] qlink_to_cache mm/kasan/quarantine.c:127 [inline] qlist_free_all+0xbb/0x140 mm/kasan/quarantine.c:163 quarantine_reduce+0x140/0x170 mm/kasan/quarantine.c:259 kasan_kmalloc+0x95/0xe0 mm/kasan/kasan.c:536 slab_post_alloc_hook mm/slab.h:442 [inline] slab_alloc mm/slab.c:3390 [inline] kmem_cache_alloc+0x114/0x770 mm/slab.c:3550 getname_flags fs/namei.c:138 [inline] getname_flags+0xc8/0x560 fs/namei.c:128 user_path_at_empty+0x2a/0x50 fs/namei.c:2631 user_path_at include/linux/namei.h:57 [inline] vfs_statx+0xd1/0x160 fs/stat.c:185 vfs_stat include/linux/fs.h:3061 [inline] SYSC_newstat+0x83/0xe0 fs/stat.c:337 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x42/0xb7 RIP: 0033:0x7f266e922295 RSP: 002b:00007fffaad182b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000004 RAX: ffffffffffffffda RBX: 000055607fccd5a0 RCX: 00007f266e922295 RDX: 00007fffaad182e0 RSI: 00007fffaad182e0 RDI: 000055607fccd5a0 RBP: 000055607fad8820 R08: 00007f267005a940 R09: 0000000000000050 R10: 0000000000000000 R11: 0000000000000246 R12: 000055607fccbf20 R13: 0000000000000002 R14: 000055607fc16dc0 R15: 000055607fb99cf0 Code: c2 7f 04 84 d2 75 26 0f b6 0d 46 58 68 07 4c 89 e0 48 d3 e8 48 85 c0 75 0d e8 ad 8a 30 00 4c 89 e0 5b 5d 41 5c c3 e8 a0 8a 30 00 <0f> 0b 48 c7 c7 49 13 92 88 e8 12 e0 59 00 eb cc e8 8b 8a 30 00 RIP: __phys_addr+0x80/0xe0 arch/x86/mm/physaddr.c:27 RSP: ffff8880a9817b98 kauditd_printk_skb: 4 callbacks suppressed audit: type=1804 audit(1589788159.421:794): pid=18653 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op="invalid_pcr" cause="open_writers" comm="syz-executor.2" name="/root/syzkaller-testdir498571939/syzkaller.iolJBz/342/bus" dev="sda1" ino=16868 res=1 ---[ end trace ce3099f6c1aa4a31 ]---