------------[ cut here ]------------
WARNING: CPU: 0 PID: 9034 at fs/overlayfs/file.c:81 ovl_change_flags fs/overlayfs/file.c:81 [inline]
WARNING: CPU: 0 PID: 9034 at fs/overlayfs/file.c:81 ovl_real_fdget_meta+0x49c/0x530 fs/overlayfs/file.c:132
Modules linked in:
CPU: 0 PID: 9034 Comm: syz-executor.3 Not tainted 5.9.0-rc2-next-20200828-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:ovl_change_flags fs/overlayfs/file.c:81 [inline]
RIP: 0010:ovl_real_fdget_meta+0x49c/0x530 fs/overlayfs/file.c:132
Code: ff 4c 89 ff e8 35 39 2a ff e9 ff fc ff ff e8 2b 39 2a ff e9 c5 fc ff ff 4c 89 f7 e8 8e 39 2a ff e9 5d fd ff ff e8 c4 bd e9 fe <0f> 0b 41 bd fb ff ff ff e9 fd fc ff ff e8 12 39 2a ff e9 84 fb ff
RSP: 0018:ffffc9000779f9d0 EFLAGS: 00010246
RAX: 0000000000040000 RBX: 0000000000002000 RCX: ffffc9000f0ad000
RDX: 0000000000040000 RSI: ffffffff828abecc RDI: 0000000000000005
RBP: 0000000004068002 R08: 0000000000000004 R09: ffffffff8c6a5aef
R10: 0000000000000000 R11: 1ffffffff138d4e8 R12: ffff88809a2fa2c0
R13: ffff888043ccd238 R14: 000000000002a002 R15: ffff88809a2fa340
FS:  00007f7bc528a700(0000) GS:ffff8880ae600000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000400200 CR3: 0000000097c7c000 CR4: 00000000001506f0
DR0: 0000000020000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000600
Call Trace:
 ovl_real_fdget fs/overlayfs/file.c:139 [inline]
 ovl_splice_write+0x83/0x1f0 fs/overlayfs/file.c:417
 do_splice_from fs/splice.c:846 [inline]
 direct_splice_actor+0x171/0x2f0 fs/splice.c:1016
 splice_direct_to_actor+0x38c/0x980 fs/splice.c:971
 do_splice_direct+0x1b3/0x280 fs/splice.c:1059
 do_sendfile+0x55f/0xd40 fs/read_write.c:1540
 __do_sys_sendfile64 fs/read_write.c:1595 [inline]
 __se_sys_sendfile64 fs/read_write.c:1587 [inline]
 __x64_sys_sendfile64+0x149/0x210 fs/read_write.c:1587
 do_syscall_64+0x2d/0x70 arch/x86/entry/common.c:46
 entry_SYSCALL_64_after_hwframe+0x44/0xa9
RIP: 0033:0x45d5b9
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:00007f7bc5289c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000028
RAX: ffffffffffffffda RBX: 0000000000027980 RCX: 000000000045d5b9
RDX: 0000000020000200 RSI: 0000000000000003 RDI: 0000000000000003
RBP: 000000000118cf88 R08: 0000000000000000 R09: 0000000000000000
R10: 000000000000a198 R11: 0000000000000246 R12: 000000000118cf4c
R13: 00007ffdcf90216f R14: 00007f7bc528a9c0 R15: 000000000118cf4c