r0 = syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x40000, 0x3, &(0x7f0000000200)=[{&(0x7f0000010000)="200000008000000006000000660000000f000000000000000100000001000000004000000040000020000000daf4655fdaf4655f0100ffff53ef010001000000d9f4655f000000000000000001000000000000000b0000000002", 0x5a, 0x400}, {&(0x7f0000010300)="020000000300000004", 0x9, 0x800}, {&(0x7f00000000c0)="ed41000000080000d9f4655fdaf2655fdaf4655f000000000000060004", 0x1d, 0x2200}], 0x0, &(0x7f00000005c0)=ANY=[]) chroot(&(0x7f0000000180)='./file0\x00') ioctl$AUTOFS_DEV_IOCTL_EXPIRE(0xffffffffffffffff, 0xc018937c, &(0x7f00000001c0)={{0x1, 0x1, 0x18, r0, {0x4}}, './file0\x00'}) r1 = perf_event_open(&(0x7f0000001d80)={0x1, 0x80, 0x1, 0x0, 0x0, 0x0, 0x0, 0x5e, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x4}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) ioctl$BTRFS_IOC_SEND(r1, 0x40489426, &(0x7f0000000540)={{r1}, 0xa, &(0x7f00000005c0)=[0xa, 0x0, 0x3, 0xffffffffffffff01, 0xffffffff, 0x2, 0x9, 0x6, 0x9, 0xffffffff], 0x9, 0x2, [0x2, 0xc9a8, 0x3e, 0x1]}) umount2(&(0x7f0000000140)='./file0\x00', 0x0) unlinkat(0xffffffffffffffff, &(0x7f0000000080)='./file0\x00', 0x0) sendfile(r1, r0, 0x0, 0x4) flock(r1, 0x7) mount$9p_unix(0x0, &(0x7f0000000400)='./file0\x00', 0xfffffffffffffffc, 0x942020, &(0x7f0000000480)={'trans=unix,', {[], [{@fscontext={'fscontext', 0x3d, 'staff_u'}}, {@subj_type={'subj_type', 0x3d, 'n'}}, {@defcontext={'defcontext', 0x3d, 'user_u'}}]}}) openat(0xffffffffffffff9c, &(0x7f0000000040)='./file0\x00', 0x410000, 0x88)