r0 = openat(0xffffffffffffff9c, &(0x7f0000000000)='./file1\x00', 0x1010c2, 0x0)
r1 = openat$procfs(0xffffffffffffff9c, 0x0, 0x0, 0x0)
sendfile(r0, r1, 0x0, 0x10000027f)
BUG: memory leak
unreferenced object 0xffff888045fdb800 (size 512):
  comm "syz-executor.1", pid 5479, jiffies 4295347650 (age 29.371s)
  hex dump (first 32 bytes):
    60 cc 9a 84 ff ff ff ff 44 88 21 20 80 88 ff ff  `.......D.! ....
    04 00 00 00 a4 01 00 00 00 00 00 00 00 00 00 00  ................
  backtrace:
    [<00000000a7ee8b95>] __kmalloc_node_track_caller+0x43/0xb0
    [<00000000e1285671>] kmemdup+0x2c/0x60
    [<0000000033bc48b9>] setup_mq_sysctls+0x5d/0x240
    [<00000000f7326ce5>] copy_ipcs+0x395/0x610
    [<00000000be0a520c>] create_new_namespaces+0x210/0xb30
    [<0000000046f983b7>] unshare_nsproxy_namespaces+0xc1/0x200
    [<000000008a6bc44b>] ksys_unshare+0x44d/0x8e0
    [<00000000ae34afd4>] __x64_sys_unshare+0x31/0x40
    [<000000009d5ce180>] do_syscall_64+0x3f/0x90
    [<000000005a8f01de>] entry_SYSCALL_64_after_hwframe+0x72/0xdc

BUG: memory leak
unreferenced object 0xffff88800c719a00 (size 256):
  comm "syz-executor.1", pid 5479, jiffies 4295347651 (age 29.370s)
  hex dump (first 32 bytes):
    00 b8 fd 45 80 88 ff ff 00 00 00 00 01 00 00 00  ...E............
    01 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
  backtrace:
    [<0000000051b74a92>] __kmalloc+0x46/0xc0
    [<00000000beee2dd2>] __register_sysctl_table+0x116/0x1150
    [<00000000c4113ee9>] setup_mq_sysctls+0x140/0x240
    [<00000000f7326ce5>] copy_ipcs+0x395/0x610
    [<00000000be0a520c>] create_new_namespaces+0x210/0xb30
    [<0000000046f983b7>] unshare_nsproxy_namespaces+0xc1/0x200
    [<000000008a6bc44b>] ksys_unshare+0x44d/0x8e0
    [<00000000ae34afd4>] __x64_sys_unshare+0x31/0x40
    [<000000009d5ce180>] do_syscall_64+0x3f/0x90
    [<000000005a8f01de>] entry_SYSCALL_64_after_hwframe+0x72/0xdc

BUG: memory leak
unreferenced object 0xffff88800dde7c00 (size 256):
  comm "syz-executor.1", pid 5479, jiffies 4295347660 (age 29.362s)
  hex dump (first 32 bytes):
    78 7c de 0d 80 88 ff ff 00 00 00 00 01 00 00 00  x|..............
    01 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
  backtrace:
    [<0000000051b74a92>] __kmalloc+0x46/0xc0
    [<000000008a2f8595>] __register_sysctl_table+0x9f3/0x1150
    [<00000000c4113ee9>] setup_mq_sysctls+0x140/0x240
    [<00000000f7326ce5>] copy_ipcs+0x395/0x610
    [<00000000be0a520c>] create_new_namespaces+0x210/0xb30
    [<0000000046f983b7>] unshare_nsproxy_namespaces+0xc1/0x200
    [<000000008a6bc44b>] ksys_unshare+0x44d/0x8e0
    [<00000000ae34afd4>] __x64_sys_unshare+0x31/0x40
    [<000000009d5ce180>] do_syscall_64+0x3f/0x90
    [<000000005a8f01de>] entry_SYSCALL_64_after_hwframe+0x72/0xdc

BUG: memory leak
unreferenced object 0xffff88800dde7e00 (size 256):
  comm "syz-executor.1", pid 5479, jiffies 4295347660 (age 29.362s)
  hex dump (first 32 bytes):
    78 7e de 0d 80 88 ff ff 00 00 00 00 01 00 00 00  x~..............
    01 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
  backtrace:
    [<0000000051b74a92>] __kmalloc+0x46/0xc0
    [<000000008a2f8595>] __register_sysctl_table+0x9f3/0x1150
    [<00000000c4113ee9>] setup_mq_sysctls+0x140/0x240
    [<00000000f7326ce5>] copy_ipcs+0x395/0x610
    [<00000000be0a520c>] create_new_namespaces+0x210/0xb30
    [<0000000046f983b7>] unshare_nsproxy_namespaces+0xc1/0x200
    [<000000008a6bc44b>] ksys_unshare+0x44d/0x8e0
    [<00000000ae34afd4>] __x64_sys_unshare+0x31/0x40
    [<000000009d5ce180>] do_syscall_64+0x3f/0x90
    [<000000005a8f01de>] entry_SYSCALL_64_after_hwframe+0x72/0xdc

BUG: leak checking failed