r0 = perf_event_open(&(0x7f0000001d80)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x5e, 0x0, 0x8, 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, 0x10000, 0x0, @perf_config_ext={0x2}, 0x0, 0x0, 0x0, 0x3, 0x1, 0x40}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) ioctl$SECCOMP_IOCTL_NOTIF_RECV(r0, 0xc0502100, &(0x7f00000000c0)) r1 = syz_open_procfs(0x0, &(0x7f0000001580)='net/snmp\x00') readv(r1, &(0x7f0000001600)=[{&(0x7f00000004c0)=""/4096, 0x1000}], 0x1) r2 = syz_open_procfs(0x0, &(0x7f0000000280)='fd/4\x00') ioctl$FIONREAD(r2, 0x6801, 0x0) fsetxattr$trusted_overlay_nlink(r1, &(0x7f00000002c0), &(0x7f0000000480)={'U-', 0xbef9}, 0x16, 0x1) syz_mount_image$ext4(0x0, &(0x7f0000000100)='./file0\x00', 0x0, 0x0, 0x0, 0x0, 0x0) mount$9p_unix(&(0x7f0000000140)='./file0/../file0\x00', &(0x7f00000001c0)='./file0\x00', 0x0, 0x173000, 0x0) openat$bsg(0xffffffffffffff9c, &(0x7f00000014c0), 0x900, 0x0) mkdir(&(0x7f0000000040)='./file0/../file0\x00', 0x0) mount$bind(&(0x7f0000000200)='./file0/../file0\x00', &(0x7f0000000340)='./file0/../file0\x00', 0x0, 0x837013, 0x0) unshare(0x100)