executing program
executing program
executing program
executing program
BUG: memory leak
unreferenced object 0xffff888119380800 (size 224):
  comm "syz-executor210", pid 6474, jiffies 4294943955 (age 57.100s)
  hex dump (first 32 bytes):
    a0 34 fd 1b 81 88 ff ff a0 34 fd 1b 81 88 ff ff  .4.......4......
    00 00 c3 24 81 88 ff ff 00 00 00 00 00 00 00 00  ...$............
  backtrace:
    [<000000000c2070cd>] __build_skb+0x1f/0x100 net/core/skbuff.c:311
    [<000000002afe90ec>] __napi_alloc_skb+0xe5/0x140 net/core/skbuff.c:523
    [<000000004cd9b129>] napi_alloc_skb include/linux/skbuff.h:2856 [inline]
    [<000000004cd9b129>] napi_get_frags net/core/dev.c:6053 [inline]
    [<000000004cd9b129>] napi_get_frags+0x3a/0x70 net/core/dev.c:6048
    [<000000002db9895e>] tun_napi_alloc_frags drivers/net/tun.c:1425 [inline]
    [<000000002db9895e>] tun_get_user+0xa43/0x1660 drivers/net/tun.c:1789
    [<000000002ca302e3>] tun_chr_write_iter+0x66/0xa0 drivers/net/tun.c:1986
    [<000000009bda2988>] call_write_iter include/linux/fs.h:1882 [inline]
    [<000000009bda2988>] new_sync_write+0x173/0x210 fs/read_write.c:503
    [<000000008fb3b063>] vfs_write+0x21d/0x280 fs/read_write.c:578
    [<00000000a1a43e8f>] ksys_write+0x72/0x120 fs/read_write.c:631
    [<0000000072961332>] do_syscall_64+0x2d/0x70 arch/x86/entry/common.c:46
    [<000000006475590b>] entry_SYSCALL_64_after_hwframe+0x44/0xa9

BUG: memory leak
unreferenced object 0xffff888119380300 (size 224):
  comm "syz-executor210", pid 6519, jiffies 4294944532 (age 51.330s)
  hex dump (first 32 bytes):
    a0 7c ac 1a 81 88 ff ff a0 7c ac 1a 81 88 ff ff  .|.......|......
    00 80 30 1b 81 88 ff ff 00 00 00 00 00 00 00 00  ..0.............
  backtrace:
    [<000000000c2070cd>] __build_skb+0x1f/0x100 net/core/skbuff.c:311
    [<000000002afe90ec>] __napi_alloc_skb+0xe5/0x140 net/core/skbuff.c:523
    [<000000004cd9b129>] napi_alloc_skb include/linux/skbuff.h:2856 [inline]
    [<000000004cd9b129>] napi_get_frags net/core/dev.c:6053 [inline]
    [<000000004cd9b129>] napi_get_frags+0x3a/0x70 net/core/dev.c:6048
    [<000000002db9895e>] tun_napi_alloc_frags drivers/net/tun.c:1425 [inline]
    [<000000002db9895e>] tun_get_user+0xa43/0x1660 drivers/net/tun.c:1789
    [<000000002ca302e3>] tun_chr_write_iter+0x66/0xa0 drivers/net/tun.c:1986
    [<000000009bda2988>] call_write_iter include/linux/fs.h:1882 [inline]
    [<000000009bda2988>] new_sync_write+0x173/0x210 fs/read_write.c:503
    [<000000008fb3b063>] vfs_write+0x21d/0x280 fs/read_write.c:578
    [<00000000a1a43e8f>] ksys_write+0x72/0x120 fs/read_write.c:631
    [<0000000072961332>] do_syscall_64+0x2d/0x70 arch/x86/entry/common.c:46
    [<000000006475590b>] entry_SYSCALL_64_after_hwframe+0x44/0xa9

BUG: memory leak
unreferenced object 0xffff888119380a00 (size 224):
  comm "syz-executor210", pid 6750, jiffies 4294947265 (age 24.000s)
  hex dump (first 32 bytes):
    a0 f4 d4 17 81 88 ff ff a0 f4 d4 17 81 88 ff ff  ................
    00 80 30 1b 81 88 ff ff 00 00 00 00 00 00 00 00  ..0.............
  backtrace:
    [<000000000c2070cd>] __build_skb+0x1f/0x100 net/core/skbuff.c:311
    [<000000002afe90ec>] __napi_alloc_skb+0xe5/0x140 net/core/skbuff.c:523
    [<000000004cd9b129>] napi_alloc_skb include/linux/skbuff.h:2856 [inline]
    [<000000004cd9b129>] napi_get_frags net/core/dev.c:6053 [inline]
    [<000000004cd9b129>] napi_get_frags+0x3a/0x70 net/core/dev.c:6048
    [<000000002db9895e>] tun_napi_alloc_frags drivers/net/tun.c:1425 [inline]
    [<000000002db9895e>] tun_get_user+0xa43/0x1660 drivers/net/tun.c:1789
    [<000000002ca302e3>] tun_chr_write_iter+0x66/0xa0 drivers/net/tun.c:1986
    [<000000009bda2988>] call_write_iter include/linux/fs.h:1882 [inline]
    [<000000009bda2988>] new_sync_write+0x173/0x210 fs/read_write.c:503
    [<000000008fb3b063>] vfs_write+0x21d/0x280 fs/read_write.c:578
    [<00000000a1a43e8f>] ksys_write+0x72/0x120 fs/read_write.c:631
    [<0000000072961332>] do_syscall_64+0x2d/0x70 arch/x86/entry/common.c:46
    [<000000006475590b>] entry_SYSCALL_64_after_hwframe+0x44/0xa9

BUG: memory leak
unreferenced object 0xffff88811bdf0400 (size 224):
  comm "syz-executor210", pid 6840, jiffies 4294948360 (age 13.050s)
  hex dump (first 32 bytes):
    a0 f4 d4 17 81 88 ff ff a0 f4 d4 17 81 88 ff ff  ................
    00 c0 63 16 81 88 ff ff 00 00 00 00 00 00 00 00  ..c.............
  backtrace:
    [<000000000c2070cd>] __build_skb+0x1f/0x100 net/core/skbuff.c:311
    [<000000002afe90ec>] __napi_alloc_skb+0xe5/0x140 net/core/skbuff.c:523
    [<000000004cd9b129>] napi_alloc_skb include/linux/skbuff.h:2856 [inline]
    [<000000004cd9b129>] napi_get_frags net/core/dev.c:6053 [inline]
    [<000000004cd9b129>] napi_get_frags+0x3a/0x70 net/core/dev.c:6048
    [<000000002db9895e>] tun_napi_alloc_frags drivers/net/tun.c:1425 [inline]
    [<000000002db9895e>] tun_get_user+0xa43/0x1660 drivers/net/tun.c:1789
    [<000000002ca302e3>] tun_chr_write_iter+0x66/0xa0 drivers/net/tun.c:1986
    [<000000009bda2988>] call_write_iter include/linux/fs.h:1882 [inline]
    [<000000009bda2988>] new_sync_write+0x173/0x210 fs/read_write.c:503
    [<000000008fb3b063>] vfs_write+0x21d/0x280 fs/read_write.c:578
    [<00000000a1a43e8f>] ksys_write+0x72/0x120 fs/read_write.c:631
    [<0000000072961332>] do_syscall_64+0x2d/0x70 arch/x86/entry/common.c:46
    [<000000006475590b>] entry_SYSCALL_64_after_hwframe+0x44/0xa9

BUG: memory leak
unreferenced object 0xffff8881166cc600 (size 224):
  comm "syz-executor210", pid 6886, jiffies 4294948905 (age 7.600s)
  hex dump (first 32 bytes):
    a0 84 cc 1e 81 88 ff ff a0 84 cc 1e 81 88 ff ff  ................
    00 c0 63 16 81 88 ff ff 00 00 00 00 00 00 00 00  ..c.............
  backtrace:
    [<000000000c2070cd>] __build_skb+0x1f/0x100 net/core/skbuff.c:311
    [<000000002afe90ec>] __napi_alloc_skb+0xe5/0x140 net/core/skbuff.c:523
    [<000000004cd9b129>] napi_alloc_skb include/linux/skbuff.h:2856 [inline]
    [<000000004cd9b129>] napi_get_frags net/core/dev.c:6053 [inline]
    [<000000004cd9b129>] napi_get_frags+0x3a/0x70 net/core/dev.c:6048
    [<000000002db9895e>] tun_napi_alloc_frags drivers/net/tun.c:1425 [inline]
    [<000000002db9895e>] tun_get_user+0xa43/0x1660 drivers/net/tun.c:1789
    [<000000002ca302e3>] tun_chr_write_iter+0x66/0xa0 drivers/net/tun.c:1986
    [<000000009bda2988>] call_write_iter include/linux/fs.h:1882 [inline]
    [<000000009bda2988>] new_sync_write+0x173/0x210 fs/read_write.c:503
    [<000000008fb3b063>] vfs_write+0x21d/0x280 fs/read_write.c:578
    [<00000000a1a43e8f>] ksys_write+0x72/0x120 fs/read_write.c:631
    [<0000000072961332>] do_syscall_64+0x2d/0x70 arch/x86/entry/common.c:46
    [<000000006475590b>] entry_SYSCALL_64_after_hwframe+0x44/0xa9