Kernel bug: memory leak in ldisc_receive
Subsystem: net, usb
Status: open

Crash report:
BUG: memory leak
unreferenced object 0xffff88810acab700 (size 240):
  comm "syz.0.17", pid 6116, jiffies 4294943616
  hex dump (first 32 bytes):
    00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
    00 60 51 0a 81 88 ff ff 00 00 00 00 00 00 00 00  .`Q.............
  backtrace (crc 61c6ec4b):
    kmemleak_alloc_recursive include/linux/kmemleak.h:44 [inline]
    slab_post_alloc_hook mm/slub.c:4520 [inline]
    slab_alloc_node mm/slub.c:4844 [inline]
    kmem_cache_alloc_node_noprof+0x373/0x4d0 mm/slub.c:4896
    __alloc_skb+0xdc/0x470 net/core/skbuff.c:702
    __netdev_alloc_skb+0x6e/0x260 net/core/skbuff.c:775
    netdev_alloc_skb include/linux/skbuff.h:3485 [inline]
    ldisc_receive+0x7a/0x1e0 drivers/net/caif/caif_serial.c:176
    tiocsti drivers/tty/tty_io.c:2290 [inline]
    tty_ioctl+0x57a/0xda0 drivers/tty/tty_io.c:2706
    vfs_ioctl fs/ioctl.c:51 [inline]
    __do_sys_ioctl fs/ioctl.c:597 [inline]
    __se_sys_ioctl fs/ioctl.c:583 [inline]
    __x64_sys_ioctl+0xf4/0x140 fs/ioctl.c:583
    do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
    do_syscall_64+0xe2/0xf80 arch/x86/entry/syscall_64.c:94
    entry_SYSCALL_64_after_hwframe+0x77/0x7f

BUG: memory leak
unreferenced object 0xffff8881097ff9c0 (size 704):
  comm "syz.0.17", pid 6116, jiffies 4294943616
  hex dump (first 32 bytes):
    00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
    00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
  backtrace (crc 7d4f196):
    kmemleak_alloc_recursive include/linux/kmemleak.h:44 [inline]
    slab_post_alloc_hook mm/slub.c:4520 [inline]
    slab_alloc_node mm/slub.c:4844 [inline]
    kmem_cache_alloc_node_noprof+0x373/0x4d0 mm/slub.c:4896
    kmalloc_reserve+0xd2/0x1b0 net/core/skbuff.c:613
    __alloc_skb+0x15d/0x470 net/core/skbuff.c:713
    __netdev_alloc_skb+0x6e/0x260 net/core/skbuff.c:775
    netdev_alloc_skb include/linux/skbuff.h:3485 [inline]
    ldisc_receive+0x7a/0x1e0 drivers/net/caif/caif_serial.c:176
    tiocsti drivers/tty/tty_io.c:2290 [inline]
    tty_ioctl+0x57a/0xda0 drivers/tty/tty_io.c:2706
    vfs_ioctl fs/ioctl.c:51 [inline]
    __do_sys_ioctl fs/ioctl.c:597 [inline]
    __se_sys_ioctl fs/ioctl.c:583 [inline]
    __x64_sys_ioctl+0xf4/0x140 fs/ioctl.c:583
    do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
    do_syscall_64+0xe2/0xf80 arch/x86/entry/syscall_64.c:94
    entry_SYSCALL_64_after_hwframe+0x77/0x7f

BUG: memory leak
unreferenced object 0xffff88810acab200 (size 240):
  comm "syz.5.34", pid 6364, jiffies 4294944702
  hex dump (first 32 bytes):
    00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
    00 90 9e 2a 81 88 ff ff 00 00 00 00 00 00 00 00  ...*............
  backtrace (crc 9b48f2fe):
    kmemleak_alloc_recursive include/linux/kmemleak.h:44 [inline]
    slab_post_alloc_hook mm/slub.c:4520 [inline]
    slab_alloc_node mm/slub.c:4844 [inline]
    kmem_cache_alloc_node_noprof+0x373/0x4d0 mm/slub.c:4896
    __alloc_skb+0xdc/0x470 net/core/skbuff.c:702
    __netdev_alloc_skb+0x6e/0x260 net/core/skbuff.c:775
    netdev_alloc_skb include/linux/skbuff.h:3485 [inline]
    ldisc_receive+0x7a/0x1e0 drivers/net/caif/caif_serial.c:176
    tiocsti drivers/tty/tty_io.c:2290 [inline]
    tty_ioctl+0x57a/0xda0 drivers/tty/tty_io.c:2706
    vfs_ioctl fs/ioctl.c:51 [inline]
    __do_sys_ioctl fs/ioctl.c:597 [inline]
    __se_sys_ioctl fs/ioctl.c:583 [inline]
    __x64_sys_ioctl+0xf4/0x140 fs/ioctl.c:583
    do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
    do_syscall_64+0xe2/0xf80 arch/x86/entry/syscall_64.c:94
    entry_SYSCALL_64_after_hwframe+0x77/0x7f

BUG: memory leak
unreferenced object 0xffff88810be01b80 (size 704):
  comm "syz.5.34", pid 6364, jiffies 4294944702
  hex dump (first 32 bytes):
    00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
    00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
  backtrace (crc 54ce43f):
    kmemleak_alloc_recursive include/linux/kmemleak.h:44 [inline]
    slab_post_alloc_hook mm/slub.c:4520 [inline]
    slab_alloc_node mm/slub.c:4844 [inline]
    kmem_cache_alloc_node_noprof+0x373/0x4d0 mm/slub.c:4896
    kmalloc_reserve+0xd2/0x1b0 net/core/skbuff.c:613
    __alloc_skb+0x15d/0x470 net/core/skbuff.c:713
    __netdev_alloc_skb+0x6e/0x260 net/core/skbuff.c:775
    netdev_alloc_skb include/linux/skbuff.h:3485 [inline]
    ldisc_receive+0x7a/0x1e0 drivers/net/caif/caif_serial.c:176
    tiocsti drivers/tty/tty_io.c:2290 [inline]
    tty_ioctl+0x57a/0xda0 drivers/tty/tty_io.c:2706
    vfs_ioctl fs/ioctl.c:51 [inline]
    __do_sys_ioctl fs/ioctl.c:597 [inline]
    __se_sys_ioctl fs/ioctl.c:583 [inline]
    __x64_sys_ioctl+0xf4/0x140 fs/ioctl.c:583
    do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
    do_syscall_64+0xe2/0xf80 arch/x86/entry/syscall_64.c:94
    entry_SYSCALL_64_after_hwframe+0x77/0x7f

connection error: failed to recv *flatrpc.ExecutorMessageRawT: EOF