R13: 00000000004c2916 R14: 00000000004d3d68 R15: 0000000000000003
overlayfs: failed to verify origin (5086/file0, ino=16738, err=-12)
------------[ cut here ]------------
kernel BUG at arch/x86/mm/physaddr.c:22!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
CPU: 1 PID: 13242 Comm: syz-executor5 Not tainted 4.19.0+ #79
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:__phys_addr+0xff/0x120 arch/x86/mm/physaddr.c:22
Code: 3c 02 00 75 31 4c 8b 25 4f 3b ee 07 48 89 de bf ff ff ff 1f e8 82 9b 46 00 49 01 dc 48 81 fb ff ff ff 1f 76 a7 e8 41 9a 46 00 <0f> 0b e8 6a 98 8a 00 e9 7a ff ff ff e8 c0 98 8a 00 eb c8 0f 1f 40
RSP: 0018:ffff880184697770 EFLAGS: 00010046
RAX: 0000000000040000 RBX: 000000007ffffff4 RCX: ffffc9000bf30000
RDX: 0000000000040000 RSI: ffffffff8138e4df RDI: 0000000000000007
RBP: ffff880184697788 R08: ffff8801b903a700 R09: ffffed003b5e5b57
R10: ffffed003b5e5b57 R11: ffff8801daf2dabb R12: 000000007ffffff4
R13: 0000000000000001 R14: ffffffff882f9080 R15: 0000000000004162
FS:  00007ff2bf88f700(0000) GS:ffff8801daf00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f7841144518 CR3: 00000001c7aae000 CR4: 00000000001406e0
Call Trace:
 virt_to_head_page include/linux/mm.h:658 [inline]
 virt_to_cache mm/slab.c:399 [inline]
 kfree+0x7b/0x230 mm/slab.c:3809
 ovl_verify_set_fh+0xba/0x180 fs/overlayfs/namei.c:435
 ovl_verify_origin fs/overlayfs/overlayfs.h:316 [inline]
 ovl_get_indexdir fs/overlayfs/super.c:1139 [inline]
 ovl_fill_super+0x3026/0x3f7b fs/overlayfs/super.c:1441
 mount_nodev+0x6b/0x110 fs/super.c:1204
 ovl_mount+0x2c/0x40 fs/overlayfs/super.c:1518
 mount_fs+0xae/0x31d fs/super.c:1261
 vfs_kern_mount.part.35+0xdc/0x4f0 fs/namespace.c:961
 vfs_kern_mount fs/namespace.c:951 [inline]
 do_new_mount fs/namespace.c:2457 [inline]
 do_mount+0x581/0x31f0 fs/namespace.c:2789
 ksys_mount+0x12d/0x140 fs/namespace.c:3005
 __do_sys_mount fs/namespace.c:3019 [inline]
 __se_sys_mount fs/namespace.c:3016 [inline]
 __x64_sys_mount+0xbe/0x150 fs/namespace.c:3016
 do_syscall_64+0x1b9/0x820 arch/x86/entry/common.c:290
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x457569
Code: fd b3 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 cb b3 fb ff c3 66 2e 0f 1f 84 00 00 00 00
RSP: 002b:00007ff2bf88ec78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00007ff2bf88ec90 RCX: 0000000000457569
RDX: 00000000200000c0 RSI: 0000000020000000 RDI: 0000000000400000
RBP: 000000000072bf00 R08: 0000000020000100 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007ff2bf88f6d4
R13: 00000000004c2916 R14: 00000000004d3d68 R15: 0000000000000003
Modules linked in:
---[ end trace df8e9ac9a8931496 ]---
RIP: 0010:__phys_addr+0xff/0x120 arch/x86/mm/physaddr.c:22
Code: 3c 02 00 75 31 4c 8b 25 4f 3b ee 07 48 89 de bf ff ff ff 1f e8 82 9b 46 00 49 01 dc 48 81 fb ff ff ff 1f 76 a7 e8 41 9a 46 00 <0f> 0b e8 6a 98 8a 00 e9 7a ff ff ff e8 c0 98 8a 00 eb c8 0f 1f 40
RSP: 0018:ffff880184697770 EFLAGS: 00010046
RAX: 0000000000040000 RBX: 000000007ffffff4 RCX: ffffc9000bf30000
RDX: 0000000000040000 RSI: ffffffff8138e4df RDI: 0000000000000007
RBP: ffff880184697788 R08: ffff8801b903a700 R09: ffffed003b5e5b57
R10: ffffed003b5e5b57 R11: ffff8801daf2dabb R12: 000000007ffffff4
R13: 0000000000000001 R14: ffffffff882f9080 R15: 0000000000004162
FS:  00007ff2bf88f700(0000) GS:ffff8801daf00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f7841144518 CR3: 00000001c7aae000 CR4: 00000000001406e0