perf_event_open(0xfffffffffffffffe, 0x0, 0x0, 0xffffffffffffffff, 0x0)
syz_mount_image$iso9660(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000013500))
BUG: memory leak
unreferenced object 0xffff8880245a0800 (size 512):
  comm "syz-executor.3", pid 8440, jiffies 4295332576 (age 21.997s)
  hex dump (first 32 bytes):
    a0 6d 7a 84 ff ff ff ff 8c c7 06 3f 80 88 ff ff  .mz........?....
    04 00 00 00 a4 01 00 00 00 00 00 00 00 00 00 00  ................
  backtrace:
    [<00000000af3a047d>] kmemdup+0x23/0x50
    [<000000008501d1d4>] setup_mq_sysctls+0x59/0x230
    [<000000000c959e26>] copy_ipcs+0x381/0x5d0
    [<0000000007bf21d6>] create_new_namespaces+0x210/0xb30
    [<000000000cd5cab6>] unshare_nsproxy_namespaces+0xc1/0x1f0
    [<00000000f5b5ab9d>] ksys_unshare+0x445/0x8d0
    [<000000009dfdc9d2>] __x64_sys_unshare+0x2d/0x40
    [<00000000d772d5ae>] do_syscall_64+0x3b/0x90
    [<00000000fcb27e32>] entry_SYSCALL_64_after_hwframe+0x46/0xb0

BUG: memory leak
unreferenced object 0xffff88802464f600 (size 256):
  comm "syz-executor.3", pid 8440, jiffies 4295332576 (age 21.997s)
  hex dump (first 32 bytes):
    00 08 5a 24 80 88 ff ff 00 00 00 00 01 00 00 00  ..Z$............
    01 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
  backtrace:
    [<000000007b4376c6>] __register_sysctl_table+0x112/0x1150
    [<00000000607df152>] setup_mq_sysctls+0x13c/0x230
    [<000000000c959e26>] copy_ipcs+0x381/0x5d0
    [<0000000007bf21d6>] create_new_namespaces+0x210/0xb30
    [<000000000cd5cab6>] unshare_nsproxy_namespaces+0xc1/0x1f0
    [<00000000f5b5ab9d>] ksys_unshare+0x445/0x8d0
    [<000000009dfdc9d2>] __x64_sys_unshare+0x2d/0x40
    [<00000000d772d5ae>] do_syscall_64+0x3b/0x90
    [<00000000fcb27e32>] entry_SYSCALL_64_after_hwframe+0x46/0xb0

BUG: memory leak
unreferenced object 0xffff88803604a600 (size 256):
  comm "syz-executor.3", pid 8440, jiffies 4295332576 (age 21.997s)
  hex dump (first 32 bytes):
    78 a6 04 36 80 88 ff ff 00 00 00 00 01 00 00 00  x..6............
    01 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
  backtrace:
    [<0000000053e2a154>] __register_sysctl_table+0x9eb/0x1150
    [<00000000607df152>] setup_mq_sysctls+0x13c/0x230
    [<000000000c959e26>] copy_ipcs+0x381/0x5d0
    [<0000000007bf21d6>] create_new_namespaces+0x210/0xb30
    [<000000000cd5cab6>] unshare_nsproxy_namespaces+0xc1/0x1f0
    [<00000000f5b5ab9d>] ksys_unshare+0x445/0x8d0
    [<000000009dfdc9d2>] __x64_sys_unshare+0x2d/0x40
    [<00000000d772d5ae>] do_syscall_64+0x3b/0x90
    [<00000000fcb27e32>] entry_SYSCALL_64_after_hwframe+0x46/0xb0

BUG: memory leak
unreferenced object 0xffff88803604aa00 (size 256):
  comm "syz-executor.3", pid 8440, jiffies 4295332576 (age 21.997s)
  hex dump (first 32 bytes):
    78 aa 04 36 80 88 ff ff 00 00 00 00 01 00 00 00  x..6............
    01 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
  backtrace:
    [<0000000053e2a154>] __register_sysctl_table+0x9eb/0x1150
    [<00000000607df152>] setup_mq_sysctls+0x13c/0x230
    [<000000000c959e26>] copy_ipcs+0x381/0x5d0
    [<0000000007bf21d6>] create_new_namespaces+0x210/0xb30
    [<000000000cd5cab6>] unshare_nsproxy_namespaces+0xc1/0x1f0
    [<00000000f5b5ab9d>] ksys_unshare+0x445/0x8d0
    [<000000009dfdc9d2>] __x64_sys_unshare+0x2d/0x40
    [<00000000d772d5ae>] do_syscall_64+0x3b/0x90
    [<00000000fcb27e32>] entry_SYSCALL_64_after_hwframe+0x46/0xb0

BUG: leak checking failed