ioctl$BTRFS_IOC_SUBVOL_CREATE(0xffffffffffffffff, 0x5000940e, 0x0) pipe2$9p(&(0x7f0000000480)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RATTACH(r0, 0x0, 0x0) r1 = open(&(0x7f0000000140)='./file1\x00', 0x100, 0x38) statx(0xffffffffffffffff, &(0x7f0000000180)='./file1\x00', 0x100, 0x8, &(0x7f00000001c0)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) lstat(&(0x7f00000002c0)='./file1\x00', &(0x7f0000000300)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) mount$9p_fd(0x0, &(0x7f0000000040)='./file1\x00', &(0x7f00000000c0), 0x2, &(0x7f0000000500)={'trans=fd,', {}, 0x2c, {'wfdno', 0x3d, r1}, 0x2c, {[{@dfltgid={'dfltgid', 0x3d, r2}}, {@posixacl}, {@loose}, {@version_u}, {@dfltgid={'dfltgid', 0x3d, r3}}, {@version_9p2000}], [{@fowner_eq}, {@dont_hash}, {@defcontext={'defcontext', 0x3d, 'unconfined_u'}}, {@smackfshat={'smackfshat', 0x3d, '\',\'A'}}, {@seclabel}, {@pcr={'pcr', 0x3d, 0x33}}, {@appraise}]}}) fchown(r0, 0xee01, r2) perf_event_open(&(0x7f0000001d80)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x5e, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext={0x448}, 0x0, 0x0, 0xfffffffb, 0x0, 0x0, 0x1}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) syz_mount_image$ext4(0x0, &(0x7f0000000100)='./file0\x00', 0x0, 0x0, 0x0, 0x0, 0x0) mount$9p_unix(&(0x7f00000001c0)='./file0\x00', &(0x7f0000002f00)='./file0/../file0\x00', 0x0, 0x1d3004, 0x0) getpgrp(0x0) pivot_root(&(0x7f0000000180)='./file0/../file0\x00', &(0x7f0000000240)='./file0\x00')