RBP: 000000000072bfa0 R08: 0000000020000100 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007fe4ee1c56d4 R13: 00000000004c2b6d R14: 00000000004d4238 R15: 0000000000000005 overlayfs: failed to verify origin (/file1, ino=99252, err=-12) ------------[ cut here ]------------ kernel BUG at arch/x86/mm/physaddr.c:22! invalid opcode: 0000 [#1] PREEMPT SMP KASAN CPU: 1 PID: 26288 Comm: syz-executor2 Not tainted 4.19.0+ #308 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 3f 33 ed 07 48 89 de bf ff ff ff 1f e8 b2 4c 45 00 49 01 dc 48 81 fb ff ff ff 1f 76 a7 e8 71 4b 45 00 <0f> 0b e8 4a 7a 88 00 e9 7a ff ff ff e8 a0 7a 88 00 eb c8 0f 1f 40 RSP: 0018:ffff8801880a7770 EFLAGS: 00010046 RAX: 0000000000040000 RBX: 000000007ffffff4 RCX: ffffc9000608b000 RDX: 0000000000040000 RSI: ffffffff8139ecef RDI: 0000000000000007 RBP: ffff8801880a7788 R08: ffff880188196580 R09: ffffed003b5e5b4f R10: ffffed003b5e5b4f R11: ffff8801daf2da7b R12: 000000007ffffff4 R13: 0000000000000001 R14: ffffffff882f8440 R15: 00000000000183b4 FS: 00007fe4ee1c5700(0000) GS:ffff8801daf00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000000070a6b4 CR3: 00000001bd7fa000 CR4: 00000000001406e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 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:3813 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+0x3036/0x3f35 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:00007fe4ee1c4c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 00007fe4ee1c4c90 RCX: 0000000000457569 RDX: 00000000200000c0 RSI: 0000000020000000 RDI: 0000000000400000 RBP: 000000000072bfa0 R08: 0000000020000100 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007fe4ee1c56d4 R13: 00000000004c2b6d R14: 00000000004d4238 R15: 0000000000000005 Modules linked in: ---[ end trace 1fe51278795c6dec ]--- RIP: 0010:__phys_addr+0xff/0x120 arch/x86/mm/physaddr.c:22 Code: 3c 02 00 75 31 4c 8b 25 3f 33 ed 07 48 89 de bf ff ff ff 1f e8 b2 4c 45 00 49 01 dc 48 81 fb ff ff ff 1f 76 a7 e8 71 4b 45 00 <0f> 0b e8 4a 7a 88 00 e9 7a ff ff ff e8 a0 7a 88 00 eb c8 0f 1f 40 RSP: 0018:ffff8801880a7770 EFLAGS: 00010046 RAX: 0000000000040000 RBX: 000000007ffffff4 RCX: ffffc9000608b000 RDX: 0000000000040000 RSI: ffffffff8139ecef RDI: 0000000000000007 RBP: ffff8801880a7788 R08: ffff880188196580 R09: ffffed003b5e5b4f R10: ffffed003b5e5b4f R11: ffff8801daf2da7b R12: 000000007ffffff4 R13: 0000000000000001 R14: ffffffff882f8440 R15: 00000000000183b4 FS: 00007fe4ee1c5700(0000) GS:ffff8801daf00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000000070a6b4 CR3: 00000001bd7fa000 CR4: 00000000001406e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400