openat(0xffffffffffffff9c, &(0x7f0000000100)='./file1\x00', 0x101042, 0x0)
truncate(&(0x7f0000000080)='./file1\x00', 0x8800000)
openat(0xffffffffffffffff, &(0x7f0000000040)='./file1\x00', 0x410400, 0x0)
BUG: memory leak
unreferenced object 0xffff8880171e57c0 (size 1544):
  comm "syz-executor.7", pid 4922, jiffies 4295288769 (age 23.767s)
  hex dump (first 32 bytes):
    01 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
    d0 57 1e 17 80 88 ff ff d0 57 1e 17 80 88 ff ff  .W.......W......
  backtrace:
    [<000000006988fd80>] kmem_cache_zalloc include/linux/slab.h:705 [inline]
    [<000000006988fd80>] copy_signal kernel/fork.c:1624 [inline]
    [<000000006988fd80>] copy_process+0x1f5d/0x6d40 kernel/fork.c:2175
    [<0000000027a6f920>] kernel_clone+0xe7/0xa60 kernel/fork.c:2622
    [<00000000583c9979>] __do_sys_clone+0xc1/0x100 kernel/fork.c:2739
    [<0000000044170a6a>] do_syscall_x64 arch/x86/entry/common.c:50 [inline]
    [<0000000044170a6a>] do_syscall_64+0x3b/0x90 arch/x86/entry/common.c:80
    [<0000000068ec4ada>] entry_SYSCALL_64_after_hwframe+0x44/0xae

BUG: memory leak
unreferenced object 0xffff8880408d3580 (size 6592):
  comm "syz-executor.7", pid 6060, jiffies 4295288832 (age 23.704s)
  hex dump (first 32 bytes):
    02 40 02 00 00 00 00 00 00 00 00 00 00 00 00 00  .@..............
    00 00 00 00 00 00 00 00 80 00 00 00 00 00 00 00  ................
  backtrace:
    [<00000000fa81ff22>] alloc_task_struct_node kernel/fork.c:171 [inline]
    [<00000000fa81ff22>] dup_task_struct kernel/fork.c:885 [inline]
    [<00000000fa81ff22>] copy_process+0x2fb7/0x6d40 kernel/fork.c:2006
    [<0000000027a6f920>] kernel_clone+0xe7/0xa60 kernel/fork.c:2622
    [<00000000583c9979>] __do_sys_clone+0xc1/0x100 kernel/fork.c:2739
    [<0000000044170a6a>] do_syscall_x64 arch/x86/entry/common.c:50 [inline]
    [<0000000044170a6a>] do_syscall_64+0x3b/0x90 arch/x86/entry/common.c:80
    [<0000000068ec4ada>] entry_SYSCALL_64_after_hwframe+0x44/0xae

BUG: memory leak
unreferenced object 0xffff888034b41d40 (size 352):
  comm "syz-executor.7", pid 6060, jiffies 4295288846 (age 23.691s)
  hex dump (first 32 bytes):
    00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
    40 00 00 00 00 00 00 00 14 b6 66 03 00 00 00 00  @.........f.....
  backtrace:
    [<00000000bbc17ec2>] kmem_cache_zalloc include/linux/slab.h:705 [inline]
    [<00000000bbc17ec2>] taskstats_tgid_alloc kernel/taskstats.c:561 [inline]
    [<00000000bbc17ec2>] taskstats_exit+0x5c6/0xac0 kernel/taskstats.c:600
    [<00000000213a832d>] do_exit+0x994/0x2960 kernel/exit.c:817
    [<0000000059f274d5>] do_group_exit+0x125/0x310 kernel/exit.c:929
    [<0000000031221093>] __do_sys_exit_group kernel/exit.c:940 [inline]
    [<0000000031221093>] __se_sys_exit_group kernel/exit.c:938 [inline]
    [<0000000031221093>] __x64_sys_exit_group+0x3a/0x50 kernel/exit.c:938
    [<0000000044170a6a>] do_syscall_x64 arch/x86/entry/common.c:50 [inline]
    [<0000000044170a6a>] do_syscall_64+0x3b/0x90 arch/x86/entry/common.c:80
    [<0000000068ec4ada>] entry_SYSCALL_64_after_hwframe+0x44/0xae

BUG: leak checking failed