memory leak in virtio_transport_send_pkt

memory leak in virtio_transport_send_pkt_info
Status: upstream: reported C repro on 2021/02/08 16:39
Reported-by: syzbot+24452624fc4c571eedd9@syzkaller.appspotmail.com
Fix commit: 8432b8114957 vsock/virtio: free queued packets when closing socket
Patched on: [ci-qemu-upstream ci-qemu-upstream-386 ci-qemu2-arm64 ci-qemu2-arm64-compat ci-qemu2-arm64-mte ci-qemu2-riscv64 ci-upstream-bpf-kasan-gce ci-upstream-bpf-next-kasan-gce ci-upstream-gce-leak ci-upstream-kasan-gce ci-upstream-kasan-gce-386 ci-upstream-kasan-gce-root ci-upstream-kasan-gce-selinux-root ci-upstream-kasan-gce-smack-root ci-upstream-kmsan-gce ci-upstream-kmsan-gce-386 ci-upstream-linux-next-kasan-gce-root ci-upstream-net-kasan-gce ci-upstream-net-this-kasan-gce ci2-upstream-kcsan-gce ci2-upstream-usb], missing on: [ci-qemu2-arm32]
First crash: 184d, last: 104d
Patch testing requests:
Created	Duration	User	Repo	Result
2021/04/19 16:27	16m	sgarzare@redhat.com	https://github.com/stefano-garzarella/linux.git vsock-fix-memleak	OK
2021/04/19 10:23	16m	sgarzare@redhat.com	https://github.com/stefano-garzarella/linux.git vsock-fix-memleak	OK
2021/04/19 09:49	7m	sgarzare@redhat.com	https://github.com/stefano-garzarella/linux.git 50987beca096a7e	report log
2021/04/14 11:18	16m	sgarzare@redhat.com	https://github.com/stefano-garzarella/linux.git vsock-fix-memleak	OK
2021/03/24 16:55	16m	fuzzybritches@protonmail.com	https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git 20f1b5f9c07c	OK
Sample crash report:
executing program
BUG: memory leak
unreferenced object 0xffff88811477d380 (size 96):
  comm "syz-executor196", pid 8793, jiffies 4294968272 (age 26.670s)
  hex dump (first 32 bytes):
    01 00 00 00 00 00 00 00 ff ff ff ff 00 00 00 00  ................
    ba 34 8c fe 00 00 00 00 00 00 01 00 01 00 05 00  .4..............
  backtrace:
    [<0000000051681be3>] kmalloc include/linux/slab.h:552 [inline]
    [<0000000051681be3>] kzalloc include/linux/slab.h:682 [inline]
    [<0000000051681be3>] virtio_transport_alloc_pkt+0x41/0x290 net/vmw_vsock/virtio_transport_common.c:51
    [<0000000036c2d6e6>] virtio_transport_send_pkt_info+0x105/0x1b0 net/vmw_vsock/virtio_transport_common.c:209
    [<00000000dd27435f>] virtio_transport_stream_enqueue+0x58/0x80 net/vmw_vsock/virtio_transport_common.c:674
    [<00000000d7e8274a>] vsock_stream_sendmsg+0x4f7/0x590 net/vmw_vsock/af_vsock.c:1800
    [<00000000d2b531e6>] sock_sendmsg_nosec net/socket.c:652 [inline]
    [<00000000d2b531e6>] sock_sendmsg+0x56/0x80 net/socket.c:672
    [<00000000803a63df>] ____sys_sendmsg+0x17a/0x390 net/socket.c:2345
    [<000000009d42f642>] ___sys_sendmsg+0x8b/0xd0 net/socket.c:2399
    [<000000000a37ed0e>] __sys_sendmmsg+0xed/0x290 net/socket.c:2489
    [<00000000324c1c73>] __do_sys_sendmmsg net/socket.c:2518 [inline]
    [<00000000324c1c73>] __se_sys_sendmmsg net/socket.c:2515 [inline]
    [<00000000324c1c73>] __x64_sys_sendmmsg+0x24/0x30 net/socket.c:2515
    [<000000004e7b2960>] do_syscall_64+0x2d/0x70 arch/x86/entry/common.c:46
    [<000000002615f594>] entry_SYSCALL_64_after_hwframe+0x44/0xa9

BUG: memory leak
unreferenced object 0xffff88811477d280 (size 96):
  comm "syz-executor196", pid 8793, jiffies 4294968272 (age 26.670s)
  hex dump (first 32 bytes):
    01 00 00 00 00 00 00 00 ff ff ff ff 00 00 00 00  ................
    ba 34 8c fe 00 00 00 00 00 00 01 00 01 00 05 00  .4..............
  backtrace:
    [<0000000051681be3>] kmalloc include/linux/slab.h:552 [inline]
    [<0000000051681be3>] kzalloc include/linux/slab.h:682 [inline]
    [<0000000051681be3>] virtio_transport_alloc_pkt+0x41/0x290 net/vmw_vsock/virtio_transport_common.c:51
    [<0000000036c2d6e6>] virtio_transport_send_pkt_info+0x105/0x1b0 net/vmw_vsock/virtio_transport_common.c:209
    [<00000000dd27435f>] virtio_transport_stream_enqueue+0x58/0x80 net/vmw_vsock/virtio_transport_common.c:674
    [<00000000d7e8274a>] vsock_stream_sendmsg+0x4f7/0x590 net/vmw_vsock/af_vsock.c:1800
    [<00000000d2b531e6>] sock_sendmsg_nosec net/socket.c:652 [inline]
    [<00000000d2b531e6>] sock_sendmsg+0x56/0x80 net/socket.c:672
    [<00000000803a63df>] ____sys_sendmsg+0x17a/0x390 net/socket.c:2345
    [<000000009d42f642>] ___sys_sendmsg+0x8b/0xd0 net/socket.c:2399
    [<000000000a37ed0e>] __sys_sendmmsg+0xed/0x290 net/socket.c:2489
    [<00000000324c1c73>] __do_sys_sendmmsg net/socket.c:2518 [inline]
    [<00000000324c1c73>] __se_sys_sendmmsg net/socket.c:2515 [inline]
    [<00000000324c1c73>] __x64_sys_sendmmsg+0x24/0x30 net/socket.c:2515
    [<000000004e7b2960>] do_syscall_64+0x2d/0x70 arch/x86/entry/common.c:46
    [<000000002615f594>] entry_SYSCALL_64_after_hwframe+0x44/0xa9

BUG: memory leak
unreferenced object 0xffff88811477d200 (size 96):
  comm "syz-executor196", pid 8793, jiffies 4294968272 (age 26.670s)
  hex dump (first 32 bytes):
    01 00 00 00 00 00 00 00 ff ff ff ff 00 00 00 00  ................
    ba 34 8c fe 00 00 00 00 00 00 01 00 01 00 05 00  .4..............
  backtrace:
    [<0000000051681be3>] kmalloc include/linux/slab.h:552 [inline]
    [<0000000051681be3>] kzalloc include/linux/slab.h:682 [inline]
    [<0000000051681be3>] virtio_transport_alloc_pkt+0x41/0x290 net/vmw_vsock/virtio_transport_common.c:51
    [<0000000036c2d6e6>] virtio_transport_send_pkt_info+0x105/0x1b0 net/vmw_vsock/virtio_transport_common.c:209
    [<00000000dd27435f>] virtio_transport_stream_enqueue+0x58/0x80 net/vmw_vsock/virtio_transport_common.c:674
    [<00000000d7e8274a>] vsock_stream_sendmsg+0x4f7/0x590 net/vmw_vsock/af_vsock.c:1800
    [<00000000d2b531e6>] sock_sendmsg_nosec net/socket.c:652 [inline]
    [<00000000d2b531e6>] sock_sendmsg+0x56/0x80 net/socket.c:672
    [<00000000803a63df>] ____sys_sendmsg+0x17a/0x390 net/socket.c:2345
    [<000000009d42f642>] ___sys_sendmsg+0x8b/0xd0 net/socket.c:2399
    [<000000000a37ed0e>] __sys_sendmmsg+0xed/0x290 net/socket.c:2489
    [<00000000324c1c73>] __do_sys_sendmmsg net/socket.c:2518 [inline]
    [<00000000324c1c73>] __se_sys_sendmmsg net/socket.c:2515 [inline]
    [<00000000324c1c73>] __x64_sys_sendmmsg+0x24/0x30 net/socket.c:2515
    [<000000004e7b2960>] do_syscall_64+0x2d/0x70 arch/x86/entry/common.c:46
    [<000000002615f594>] entry_SYSCALL_64_after_hwframe+0x44/0xa9

BUG: memory leak
unreferenced object 0xffff88811477d180 (size 96):
  comm "syz-executor196", pid 8793, jiffies 4294968272 (age 26.670s)
  hex dump (first 32 bytes):
    01 00 00 00 00 00 00 00 ff ff ff ff 00 00 00 00  ................
    ba 34 8c fe 00 00 00 00 00 00 01 00 01 00 05 00  .4..............
  backtrace:
    [<0000000051681be3>] kmalloc include/linux/slab.h:552 [inline]
    [<0000000051681be3>] kzalloc include/linux/slab.h:682 [inline]
    [<0000000051681be3>] virtio_transport_alloc_pkt+0x41/0x290 net/vmw_vsock/virtio_transport_common.c:51
    [<0000000036c2d6e6>] virtio_transport_send_pkt_info+0x105/0x1b0 net/vmw_vsock/virtio_transport_common.c:209
    [<00000000dd27435f>] virtio_transport_stream_enqueue+0x58/0x80 net/vmw_vsock/virtio_transport_common.c:674
    [<00000000d7e8274a>] vsock_stream_sendmsg+0x4f7/0x590 net/vmw_vsock/af_vsock.c:1800
    [<00000000d2b531e6>] sock_sendmsg_nosec net/socket.c:652 [inline]
    [<00000000d2b531e6>] sock_sendmsg+0x56/0x80 net/socket.c:672
    [<00000000803a63df>] ____sys_sendmsg+0x17a/0x390 net/socket.c:2345
    [<000000009d42f642>] ___sys_sendmsg+0x8b/0xd0 net/socket.c:2399
    [<000000000a37ed0e>] __sys_sendmmsg+0xed/0x290 net/socket.c:2489
    [<00000000324c1c73>] __do_sys_sendmmsg net/socket.c:2518 [inline]
    [<00000000324c1c73>] __se_sys_sendmmsg net/socket.c:2515 [inline]
    [<00000000324c1c73>] __x64_sys_sendmmsg+0x24/0x30 net/socket.c:2515
    [<000000004e7b2960>] do_syscall_64+0x2d/0x70 arch/x86/entry/common.c:46
    [<000000002615f594>] entry_SYSCALL_64_after_hwframe+0x44/0xa9

BUG: memory leak
unreferenced object 0xffff88811477d380 (size 96):
  comm "syz-executor196", pid 8793, jiffies 4294968272 (age 29.040s)
  hex dump (first 32 bytes):
    01 00 00 00 00 00 00 00 ff ff ff ff 00 00 00 00  ................
    ba 34 8c fe 00 00 00 00 00 00 01 00 01 00 05 00  .4..............
  backtrace:
    [<0000000051681be3>] kmalloc include/linux/slab.h:552 [inline]
    [<0000000051681be3>] kzalloc include/linux/slab.h:682 [inline]
    [<0000000051681be3>] virtio_transport_alloc_pkt+0x41/0x290 net/vmw_vsock/virtio_transport_common.c:51
    [<0000000036c2d6e6>] virtio_transport_send_pkt_info+0x105/0x1b0 net/vmw_vsock/virtio_transport_common.c:209
    [<00000000dd27435f>] virtio_transport_stream_enqueue+0x58/0x80 net/vmw_vsock/virtio_transport_common.c:674
    [<00000000d7e8274a>] vsock_stream_sendmsg+0x4f7/0x590 net/vmw_vsock/af_vsock.c:1800
    [<00000000d2b531e6>] sock_sendmsg_nosec net/socket.c:652 [inline]
    [<00000000d2b531e6>] sock_sendmsg+0x56/0x80 net/socket.c:672
    [<00000000803a63df>] ____sys_sendmsg+0x17a/0x390 net/socket.c:2345
    [<000000009d42f642>] ___sys_sendmsg+0x8b/0xd0 net/socket.c:2399
    [<000000000a37ed0e>] __sys_sendmmsg+0xed/0x290 net/socket.c:2489
    [<00000000324c1c73>] __do_sys_sendmmsg net/socket.c:2518 [inline]
    [<00000000324c1c73>] __se_sys_sendmmsg net/socket.c:2515 [inline]
    [<00000000324c1c73>] __x64_sys_sendmmsg+0x24/0x30 net/socket.c:2515
    [<000000004e7b2960>] do_syscall_64+0x2d/0x70 arch/x86/entry/common.c:46
    [<000000002615f594>] entry_SYSCALL_64_after_hwframe+0x44/0xa9

BUG: memory leak
unreferenced object 0xffff88811477d280 (size 96):
  comm "syz-executor196", pid 8793, jiffies 4294968272 (age 29.040s)
  hex dump (first 32 bytes):
    01 00 00 00 00 00 00 00 ff ff ff ff 00 00 00 00  ................
    ba 34 8c fe 00 00 00 00 00 00 01 00 01 00 05 00  .4..............
  backtrace:
    [<0000000051681be3>] kmalloc include/linux/slab.h:552 [inline]
    [<0000000051681be3>] kzalloc include/linux/slab.h:682 [inline]
    [<0000000051681be3>] virtio_transport_alloc_pkt+0x41/0x290 net/vmw_vsock/virtio_transport_common.c:51
    [<0000000036c2d6e6>] virtio_transport_send_pkt_info+0x105/0x1b0 net/vmw_vsock/virtio_transport_common.c:209
    [<00000000dd27435f>] virtio_transport_stream_enqueue+0x58/0x80 net/vmw_vsock/virtio_transport_common.c:674
    [<00000000d7e8274a>] vsock_stream_sendmsg+0x4f7/0x590 net/vmw_vsock/af_vsock.c:1800
    [<00000000d2b531e6>] sock_sendmsg_nosec net/socket.c:652 [inline]
    [<00000000d2b531e6>] sock_sendmsg+0x56/0x80 net/socket.c:672
    [<00000000803a63df>] ____sys_sendmsg+0x17a/0x390 net/socket.c:2345
    [<000000009d42f642>] ___sys_sendmsg+0x8b/0xd0 net/socket.c:2399
    [<000000000a37ed0e>] __sys_sendmmsg+0xed/0x290 net/socket.c:2489
    [<00000000324c1c73>] __do_sys_sendmmsg net/socket.c:2518 [inline]
    [<00000000324c1c73>] __se_sys_sendmmsg net/socket.c:2515 [inline]
    [<00000000324c1c73>] __x64_sys_sendmmsg+0x24/0x30 net/socket.c:2515
    [<000000004e7b2960>] do_syscall_64+0x2d/0x70 arch/x86/entry/common.c:46
    [<000000002615f594>] entry_SYSCALL_64_after_hwframe+0x44/0xa9

BUG: memory leak
unreferenced object 0xffff88811477d200 (size 96):
  comm "syz-executor196", pid 8793, jiffies 4294968272 (age 29.040s)
  hex dump (first 32 bytes):
    01 00 00 00 00 00 00 00 ff ff ff ff 00 00 00 00  ................
    ba 34 8c fe 00 00 00 00 00 00 01 00 01 00 05 00  .4..............
  backtrace:
    [<0000000051681be3>] kmalloc include/linux/slab.h:552 [inline]
    [<0000000051681be3>] kzalloc include/linux/slab.h:682 [inline]
    [<0000000051681be3>] virtio_transport_alloc_pkt+0x41/0x290 net/vmw_vsock/virtio_transport_common.c:51
    [<0000000036c2d6e6>] virtio_transport_send_pkt_info+0x105/0x1b0 net/vmw_vsock/virtio_transport_common.c:209
    [<00000000dd27435f>] virtio_transport_stream_enqueue+0x58/0x80 net/vmw_vsock/virtio_transport_common.c:674
    [<00000000d7e8274a>] vsock_stream_sendmsg+0x4f7/0x590 net/vmw_vsock/af_vsock.c:1800
    [<00000000d2b531e6>] sock_sendmsg_nosec net/socket.c:652 [inline]
    [<00000000d2b531e6>] sock_sendmsg+0x56/0x80 net/socket.c:672
    [<00000000803a63df>] ____sys_sendmsg+0x17a/0x390 net/socket.c:2345
    [<000000009d42f642>] ___sys_sendmsg+0x8b/0xd0 net/socket.c:2399
    [<000000000a37ed0e>] __sys_sendmmsg+0xed/0x290 net/socket.c:2489
    [<00000000324c1c73>] __do_sys_sendmmsg net/socket.c:2518 [inline]
    [<00000000324c1c73>] __se_sys_sendmmsg net/socket.c:2515 [inline]
    [<00000000324c1c73>] __x64_sys_sendmmsg+0x24/0x30 net/socket.c:2515
    [<000000004e7b2960>] do_syscall_64+0x2d/0x70 arch/x86/entry/common.c:46
    [<000000002615f594>] entry_SYSCALL_64_after_hwframe+0x44/0xa9

BUG: memory leak
unreferenced object 0xffff88811477d180 (size 96):
  comm "syz-executor196", pid 8793, jiffies 4294968272 (age 29.040s)
  hex dump (first 32 bytes):
    01 00 00 00 00 00 00 00 ff ff ff ff 00 00 00 00  ................
    ba 34 8c fe 00 00 00 00 00 00 01 00 01 00 05 00  .4..............
  backtrace:
    [<0000000051681be3>] kmalloc include/linux/slab.h:552 [inline]
    [<0000000051681be3>] kzalloc include/linux/slab.h:682 [inline]
    [<0000000051681be3>] virtio_transport_alloc_pkt+0x41/0x290 net/vmw_vsock/virtio_transport_common.c:51
    [<0000000036c2d6e6>] virtio_transport_send_pkt_info+0x105/0x1b0 net/vmw_vsock/virtio_transport_common.c:209
    [<00000000dd27435f>] virtio_transport_stream_enqueue+0x58/0x80 net/vmw_vsock/virtio_transport_common.c:674
    [<00000000d7e8274a>] vsock_stream_sendmsg+0x4f7/0x590 net/vmw_vsock/af_vsock.c:1800
    [<00000000d2b531e6>] sock_sendmsg_nosec net/socket.c:652 [inline]
    [<00000000d2b531e6>] sock_sendmsg+0x56/0x80 net/socket.c:672
    [<00000000803a63df>] ____sys_sendmsg+0x17a/0x390 net/socket.c:2345
    [<000000009d42f642>] ___sys_sendmsg+0x8b/0xd0 net/socket.c:2399
    [<000000000a37ed0e>] __sys_sendmmsg+0xed/0x290 net/socket.c:2489
    [<00000000324c1c73>] __do_sys_sendmmsg net/socket.c:2518 [inline]
    [<00000000324c1c73>] __se_sys_sendmmsg net/socket.c:2515 [inline]
    [<00000000324c1c73>] __x64_sys_sendmmsg+0x24/0x30 net/socket.c:2515
    [<000000004e7b2960>] do_syscall_64+0x2d/0x70 arch/x86/entry/common.c:46
    [<000000002615f594>] entry_SYSCALL_64_after_hwframe+0x44/0xa9

BUG: memory leak
unreferenced object 0xffff88811477d380 (size 96):
  comm "syz-executor196", pid 8793, jiffies 4294968272 (age 29.100s)
  hex dump (first 32 bytes):
    01 00 00 00 00 00 00 00 ff ff ff ff 00 00 00 00  ................
    ba 34 8c fe 00 00 00 00 00 00 01 00 01 00 05 00  .4..............
  backtrace:
    [<0000000051681be3>] kmalloc include/linux/slab.h:552 [inline]
    [<0000000051681be3>] kzalloc include/linux/slab.h:682 [inline]
    [<0000000051681be3>] virtio_transport_alloc_pkt+0x41/0x290 net/vmw_vsock/virtio_transport_common.c:51
    [<0000000036c2d6e6>] virtio_transport_send_pkt_info+0x105/0x1b0 net/vmw_vsock/virtio_transport_common.c:209
    [<00000000dd27435f>] virtio_transport_stream_enqueue+0x58/0x80 net/vmw_vsock/virtio_transport_common.c:674
    [<00000000d7e8274a>] vsock_stream_sendmsg+0x4f7/0x590 net/vmw_vsock/af_vsock.c:1800
    [<00000000d2b531e6>] sock_sendmsg_nosec net/socket.c:652 [inline]
    [<00000000d2b531e6>] sock_sendmsg+0x56/0x80 net/socket.c:672
    [<00000000803a63df>] ____sys_sendmsg+0x17a/0x390 net/socket.c:2345
    [<000000009d42f642>] ___sys_sendmsg+0x8b/0xd0 net/socket.c:2399
    [<000000000a37ed0e>] __sys_sendmmsg+0xed/0x290 net/socket.c:2489
    [<00000000324c1c73>] __do_sys_sendmmsg net/socket.c:2518 [inline]
    [<00000000324c1c73>] __se_sys_sendmmsg net/socket.c:2515 [inline]
    [<00000000324c1c73>] __x64_sys_sendmmsg+0x24/0x30 net/socket.c:2515
    [<000000004e7b2960>] do_syscall_64+0x2d/0x70 arch/x86/entry/common.c:46
    [<000000002615f594>] entry_SYSCALL_64_after_hwframe+0x44/0xa9

BUG: memory leak
unreferenced object 0xffff88811477d280 (size 96):
  comm "syz-executor196", pid 8793, jiffies 4294968272 (age 29.100s)
  hex dump (first 32 bytes):
    01 00 00 00 00 00 00 00 ff ff ff ff 00 00 00 00  ................
    ba 34 8c fe 00 00 00 00 00 00 01 00 01 00 05 00  .4..............
  backtrace:
    [<0000000051681be3>] kmalloc include/linux/slab.h:552 [inline]
    [<0000000051681be3>] kzalloc include/linux/slab.h:682 [inline]
    [<0000000051681be3>] virtio_transport_alloc_pkt+0x41/0x290 net/vmw_vsock/virtio_transport_common.c:51
    [<0000000036c2d6e6>] virtio_transport_send_pkt_info+0x105/0x1b0 net/vmw_vsock/virtio_transport_common.c:209
    [<00000000dd27435f>] virtio_transport_stream_enqueue+0x58/0x80 net/vmw_vsock/virtio_transport_common.c:674
    [<00000000d7e8274a>] vsock_stream_sendmsg+0x4f7/0x590 net/vmw_vsock/af_vsock.c:1800
    [<00000000d2b531e6>] sock_sendmsg_nosec net/socket.c:652 [inline]
    [<00000000d2b531e6>] sock_sendmsg+0x56/0x80 net/socket.c:672
    [<00000000803a63df>] ____sys_sendmsg+0x17a/0x390 net/socket.c:2345
    [<000000009d42f642>] ___sys_sendmsg+0x8b/0xd0 net/socket.c:2399
    [<000000000a37ed0e>] __sys_sendmmsg+0xed/0x290 net/socket.c:2489
    [<00000000324c1c73>] __do_sys_sendmmsg net/socket.c:2518 [inline]
    [<00000000324c1c73>] __se_sys_sendmmsg net/socket.c:2515 [inline]
    [<00000000324c1c73>] __x64_sys_sendmmsg+0x24/0x30 net/socket.c:2515
    [<000000004e7b2960>] do_syscall_64+0x2d/0x70 arch/x86/entry/common.c:46
    [<000000002615f594>] entry_SYSCALL_64_after_hwframe+0x44/0xa9

BUG: memory leak
unreferenced object 0xffff88811477d200 (size 96):
  comm "syz-executor196", pid 8793, jiffies 4294968272 (age 29.100s)
  hex dump (first 32 bytes):
    01 00 00 00 00 00 00 00 ff ff ff ff 00 00 00 00  ................
    ba 34 8c fe 00 00 00 00 00 00 01 00 01 00 05 00  .4..............
  backtrace:
    [<0000000051681be3>] kmalloc include/linux/slab.h:552 [inline]
    [<0000000051681be3>] kzalloc include/linux/slab.h:682 [inline]
    [<0000000051681be3>] virtio_transport_alloc_pkt+0x41/0x290 net/vmw_vsock/virtio_transport_common.c:51
    [<0000000036c2d6e6>] virtio_transport_send_pkt_info+0x105/0x1b0 net/vmw_vsock/virtio_transport_common.c:209
    [<00000000dd27435f>] virtio_transport_stream_enqueue+0x58/0x80 net/vmw_vsock/virtio_transport_common.c:674
    [<00000000d7e8274a>] vsock_stream_sendmsg+0x4f7/0x590 net/vmw_vsock/af_vsock.c:1800
    [<00000000d2b531e6>] sock_sendmsg_nosec net/socket.c:652 [inline]
    [<00000000d2b531e6>] sock_sendmsg+0x56/0x80 net/socket.c:672
    [<00000000803a63df>] ____sys_sendmsg+0x17a/0x390 net/socket.c:2345
    [<000000009d42f642>] ___sys_sendmsg+0x8b/0xd0 net/socket.c:2399
    [<000000000a37ed0e>] __sys_sendmmsg+0xed/0x290 net/socket.c:2489
    [<00000000324c1c73>] __do_sys_sendmmsg net/socket.c:2518 [inline]
    [<00000000324c1c73>] __se_sys_sendmmsg net/socket.c:2515 [inline]
    [<00000000324c1c73>] __x64_sys_sendmmsg+0x24/0x30 net/socket.c:2515
    [<000000004e7b2960>] do_syscall_64+0x2d/0x70 arch/x86/entry/common.c:46
    [<000000002615f594>] entry_SYSCALL_64_after_hwframe+0x44/0xa9

BUG: memory leak
unreferenced object 0xffff88811477d180 (size 96):
  comm "syz-executor196", pid 8793, jiffies 4294968272 (age 29.100s)
  hex dump (first 32 bytes):
    01 00 00 00 00 00 00 00 ff ff ff ff 00 00 00 00  ................
    ba 34 8c fe 00 00 00 00 00 00 01 00 01 00 05 00  .4..............
  backtrace:
    [<0000000051681be3>] kmalloc include/linux/slab.h:552 [inline]
    [<0000000051681be3>] kzalloc include/linux/slab.h:682 [inline]
    [<0000000051681be3>] virtio_transport_alloc_pkt+0x41/0x290 net/vmw_vsock/virtio_transport_common.c:51
    [<0000000036c2d6e6>] virtio_transport_send_pkt_info+0x105/0x1b0 net/vmw_vsock/virtio_transport_common.c:209
    [<00000000dd27435f>] virtio_transport_stream_enqueue+0x58/0x80 net/vmw_vsock/virtio_transport_common.c:674
    [<00000000d7e8274a>] vsock_stream_sendmsg+0x4f7/0x590 net/vmw_vsock/af_vsock.c:1800
    [<00000000d2b531e6>] sock_sendmsg_nosec net/socket.c:652 [inline]
    [<00000000d2b531e6>] sock_sendmsg+0x56/0x80 net/socket.c:672
    [<00000000803a63df>] ____sys_sendmsg+0x17a/0x390 net/socket.c:2345
    [<000000009d42f642>] ___sys_sendmsg+0x8b/0xd0 net/socket.c:2399
    [<000000000a37ed0e>] __sys_sendmmsg+0xed/0x290 net/socket.c:2489
    [<00000000324c1c73>] __do_sys_sendmmsg net/socket.c:2518 [inline]
    [<00000000324c1c73>] __se_sys_sendmmsg net/socket.c:2515 [inline]
    [<00000000324c1c73>] __x64_sys_sendmmsg+0x24/0x30 net/socket.c:2515
    [<000000004e7b2960>] do_syscall_64+0x2d/0x70 arch/x86/entry/common.c:46
    [<000000002615f594>] entry_SYSCALL_64_after_hwframe+0x44/0xa9

BUG: memory leak
unreferenced object 0xffff88811477d380 (size 96):
  comm "syz-executor196", pid 8793, jiffies 4294968272 (age 29.160s)
  hex dump (first 32 bytes):
    01 00 00 00 00 00 00 00 ff ff ff ff 00 00 00 00  ................
    ba 34 8c fe 00 00 00 00 00 00 01 00 01 00 05 00  .4..............
  backtrace:
    [<0000000051681be3>] kmalloc include/linux/slab.h:552 [inline]
    [<0000000051681be3>] kzalloc include/linux/slab.h:682 [inline]
    [<0000000051681be3>] virtio_transport_alloc_pkt+0x41/0x290 net/vmw_vsock/virtio_transport_common.c:51
    [<0000000036c2d6e6>] virtio_transport_send_pkt_info+0x105/0x1b0 net/vmw_vsock/virtio_transport_common.c:209
    [<00000000dd27435f>] virtio_transport_stream_enqueue+0x58/0x80 net/vmw_vsock/virtio_transport_common.c:674
    [<00000000d7e8274a>] vsock_stream_sendmsg+0x4f7/0x590 net/vmw_vsock/af_vsock.c:1800
    [<00000000d2b531e6>] sock_sendmsg_nosec net/socket.c:652 [inline]
    [<00000000d2b531e6>] sock_sendmsg+0x56/0x80 net/socket.c:672
    [<00000000803a63df>] ____sys_sendmsg+0x17a/0x390 net/socket.c:2345
    [<000000009d42f642>] ___sys_sendmsg+0x8b/0xd0 net/socket.c:2399
    [<000000000a37ed0e>] __sys_sendmmsg+0xed/0x290 net/socket.c:2489
    [<00000000324c1c73>] __do_sys_sendmmsg net/socket.c:2518 [inline]
    [<00000000324c1c73>] __se_sys_sendmmsg net/socket.c:2515 [inline]
    [<00000000324c1c73>] __x64_sys_sendmmsg+0x24/0x30 net/socket.c:2515
    [<000000004e7b2960>] do_syscall_64+0x2d/0x70 arch/x86/entry/common.c:46
    [<000000002615f594>] entry_SYSCALL_64_after_hwframe+0x44/0xa9

BUG: memory leak
unreferenced object 0xffff88811477d280 (size 96):
  comm "syz-executor196", pid 8793, jiffies 4294968272 (age 29.160s)
  hex dump (first 32 bytes):
    01 00 00 00 00 00 00 00 ff ff ff ff 00 00 00 00  ................
    ba 34 8c fe 00 00 00 00 00 00 01 00 01 00 05 00  .4..............
  backtrace:
    [<0000000051681be3>] kmalloc include/linux/slab.h:552 [inline]
    [<0000000051681be3>] kzalloc include/linux/slab.h:682 [inline]
    [<0000000051681be3>] virtio_transport_alloc_pkt+0x41/0x290 net/vmw_vsock/virtio_transport_common.c:51
    [<0000000036c2d6e6>] virtio_transport_send_pkt_info+0x105/0x1b0 net/vmw_vsock/virtio_transport_common.c:209
    [<00000000dd27435f>] virtio_transport_stream_enqueue+0x58/0x80 net/vmw_vsock/virtio_transport_common.c:674
    [<00000000d7e8274a>] vsock_stream_sendmsg+0x4f7/0x590 net/vmw_vsock/af_vsock.c:1800
    [<00000000d2b531e6>] sock_sendmsg_nosec net/socket.c:652 [inline]
    [<00000000d2b531e6>] sock_sendmsg+0x56/0x80 net/socket.c:672
    [<00000000803a63df>] ____sys_sendmsg+0x17a/0x390 net/socket.c:2345
    [<000000009d42f642>] ___sys_sendmsg+0x8b/0xd0 net/socket.c:2399
    [<000000000a37ed0e>] __sys_sendmmsg+0xed/0x290 net/socket.c:2489
    [<00000000324c1c73>] __do_sys_sendmmsg net/socket.c:2518 [inline]
    [<00000000324c1c73>] __se_sys_sendmmsg net/socket.c:2515 [inline]
    [<00000000324c1c73>] __x64_sys_sendmmsg+0x24/0x30 net/socket.c:2515
    [<000000004e7b2960>] do_syscall_64+0x2d/0x70 arch/x86/entry/common.c:46
    [<000000002615f594>] entry_SYSCALL_64_after_hwframe+0x44/0xa9

BUG: memory leak
unreferenced object 0xffff88811477d200 (size 96):
  comm "syz-executor196", pid 8793, jiffies 4294968272 (age 29.160s)
  hex dump (first 32 bytes):
    01 00 00 00 00 00 00 00 ff ff ff ff 00 00 00 00  ................
    ba 34 8c fe 00 00 00 00 00 00 01 00 01 00 05 00  .4..............
  backtrace:
    [<0000000051681be3>] kmalloc include/linux/slab.h:552 [inline]
    [<0000000051681be3>] kzalloc include/linux/slab.h:682 [inline]
    [<0000000051681be3>] virtio_transport_alloc_pkt+0x41/0x290 net/vmw_vsock/virtio_transport_common.c:51
    [<0000000036c2d6e6>] virtio_transport_send_pkt_info+0x105/0x1b0 net/vmw_vsock/virtio_transport_common.c:209
    [<00000000dd27435f>] virtio_transport_stream_enqueue+0x58/0x80 net/vmw_vsock/virtio_transport_common.c:674
    [<00000000d7e8274a>] vsock_stream_sendmsg+0x4f7/0x590 net/vmw_vsock/af_vsock.c:1800
    [<00000000d2b531e6>] sock_sendmsg_nosec net/socket.c:652 [inline]
    [<00000000d2b531e6>] sock_sendmsg+0x56/0x80 net/socket.c:672
    [<00000000803a63df>] ____sys_sendmsg+0x17a/0x390 net/socket.c:2345
    [<000000009d42f642>] ___sys_sendmsg+0x8b/0xd0 net/socket.c:2399
    [<000000000a37ed0e>] __sys_sendmmsg+0xed/0x290 net/socket.c:2489
    [<00000000324c1c73>] __do_sys_sendmmsg net/socket.c:2518 [inline]
    [<00000000324c1c73>] __se_sys_sendmmsg net/socket.c:2515 [inline]
    [<00000000324c1c73>] __x64_sys_sendmmsg+0x24/0x30 net/socket.c:2515
    [<000000004e7b2960>] do_syscall_64+0x2d/0x70 arch/x86/entry/common.c:46
    [<000000002615f594>] entry_SYSCALL_64_after_hwframe+0x44/0xa9

BUG: memory leak
unreferenced object 0xffff88811477d180 (size 96):
  comm "syz-executor196", pid 8793, jiffies 4294968272 (age 29.160s)
  hex dump (first 32 bytes):
    01 00 00 00 00 00 00 00 ff ff ff ff 00 00 00 00  ................
    ba 34 8c fe 00 00 00 00 00 00 01 00 01 00 05 00  .4..............
  backtrace:
    [<0000000051681be3>] kmalloc include/linux/slab.h:552 [inline]
    [<0000000051681be3>] kzalloc include/linux/slab.h:682 [inline]
    [<0000000051681be3>] virtio_transport_alloc_pkt+0x41/0x290 net/vmw_vsock/virtio_transport_common.c:51
    [<0000000036c2d6e6>] virtio_transport_send_pkt_info+0x105/0x1b0 net/vmw_vsock/virtio_transport_common.c:209
    [<00000000dd27435f>] virtio_transport_stream_enqueue+0x58/0x80 net/vmw_vsock/virtio_transport_common.c:674
    [<00000000d7e8274a>] vsock_stream_sendmsg+0x4f7/0x590 net/vmw_vsock/af_vsock.c:1800
    [<00000000d2b531e6>] sock_sendmsg_nosec net/socket.c:652 [inline]
    [<00000000d2b531e6>] sock_sendmsg+0x56/0x80 net/socket.c:672
    [<00000000803a63df>] ____sys_sendmsg+0x17a/0x390 net/socket.c:2345
    [<000000009d42f642>] ___sys_sendmsg+0x8b/0xd0 net/socket.c:2399
    [<000000000a37ed0e>] __sys_sendmmsg+0xed/0x290 net/socket.c:2489
    [<00000000324c1c73>] __do_sys_sendmmsg net/socket.c:2518 [inline]
    [<00000000324c1c73>] __se_sys_sendmmsg net/socket.c:2515 [inline]
    [<00000000324c1c73>] __x64_sys_sendmmsg+0x24/0x30 net/socket.c:2515
    [<000000004e7b2960>] do_syscall_64+0x2d/0x70 arch/x86/entry/common.c:46
    [<000000002615f594>] entry_SYSCALL_64_after_hwframe+0x44/0xa9

BUG: memory leak
unreferenced object 0xffff88811477d380 (size 96):
  comm "syz-executor196", pid 8793, jiffies 4294968272 (age 29.230s)
  hex dump (first 32 bytes):
    01 00 00 00 00 00 00 00 ff ff ff ff 00 00 00 00  ................
    ba 34 8c fe 00 00 00 00 00 00 01 00 01 00 05 00  .4..............
  backtrace:
    [<0000000051681be3>] kmalloc include/linux/slab.h:552 [inline]
    [<0000000051681be3>] kzalloc include/linux/slab.h:682 [inline]
    [<0000000051681be3>] virtio_transport_alloc_pkt+0x41/0x290 net/vmw_vsock/virtio_transport_common.c:51
    [<0000000036c2d6e6>] virtio_transport_send_pkt_info+0x105/0x1b0 net/vmw_vsock/virtio_transport_common.c:209
    [<00000000dd27435f>] virtio_transport_stream_enqueue+0x58/0x80 net/vmw_vsock/virtio_transport_common.c:674
    [<00000000d7e8274a>] vsock_stream_sendmsg+0x4f7/0x590 net/vmw_vsock/af_vsock.c:1800
    [<00000000d2b531e6>] sock_sendmsg_nosec net/socket.c:652 [inline]
    [<00000000d2b531e6>] sock_sendmsg+0x56/0x80 net/socket.c:672
    [<00000000803a63df>] ____sys_sendmsg+0x17a/0x390 net/socket.c:2345
    [<000000009d42f642>] ___sys_sendmsg+0x8b/0xd0 net/socket.c:2399
    [<000000000a37ed0e>] __sys_sendmmsg+0xed/0x290 net/socket.c:2489
    [<00000000324c1c73>] __do_sys_sendmmsg net/socket.c:2518 [inline]
    [<00000000324c1c73>] __se_sys_sendmmsg net/socket.c:2515 [inline]
    [<00000000324c1c73>] __x64_sys_sendmmsg+0x24/0x30 net/socket.c:2515
    [<000000004e7b2960>] do_syscall_64+0x2d/0x70 arch/x86/entry/common.c:46
    [<000000002615f594>] entry_SYSCALL_64_after_hwframe+0x44/0xa9

BUG: memory leak
unreferenced object 0xffff88811477d280 (size 96):
  comm "syz-executor196", pid 8793, jiffies 4294968272 (age 29.230s)
  hex dump (first 32 bytes):
    01 00 00 00 00 00 00 00 ff ff ff ff 00 00 00 00  ................
    ba 34 8c fe 00 00 00 00 00 00 01 00 01 00 05 00  .4..............
  backtrace:
    [<0000000051681be3>] kmalloc include/linux/slab.h:552 [inline]
    [<0000000051681be3>] kzalloc include/linux/slab.h:682 [inline]
    [<0000000051681be3>] virtio_transport_alloc_pkt+0x41/0x290 net/vmw_vsock/virtio_transport_common.c:51
    [<0000000036c2d6e6>] virtio_transport_send_pkt_info+0x105/0x1b0 net/vmw_vsock/virtio_transport_common.c:209
    [<00000000dd27435f>] virtio_transport_stream_enqueue+0x58/0x80 net/vmw_vsock/virtio_transport_common.c:674
    [<00000000d7e8274a>] vsock_stream_sendmsg+0x4f7/0x590 net/vmw_vsock/af_vsock.c:1800
    [<00000000d2b531e6>] sock_sendmsg_nosec net/socket.c:652 [inline]
    [<00000000d2b531e6>] sock_sendmsg+0x56/0x80 net/socket.c:672
    [<00000000803a63df>] ____sys_sendmsg+0x17a/0x390 net/socket.c:2345
    [<000000009d42f642>] ___sys_sendmsg+0x8b/0xd0 net/socket.c:2399
    [<000000000a37ed0e>] __sys_sendmmsg+0xed/0x290 net/socket.c:2489
    [<00000000324c1c73>] __do_sys_sendmmsg net/socket.c:2518 [inline]
    [<00000000324c1c73>] __se_sys_sendmmsg net/socket.c:2515 [inline]
    [<00000000324c1c73>] __x64_sys_sendmmsg+0x24/0x30 net/socket.c:2515
    [<000000004e7b2960>] do_syscall_64+0x2d/0x70 arch/x86/entry/common.c:46
    [<000000002615f594>] entry_SYSCALL_64_after_hwframe+0x44/0xa9

BUG: memory leak
unreferenced object 0xffff88811477d200 (size 96):
  comm "syz-executor196", pid 8793, jiffies 4294968272 (age 29.230s)
  hex dump (first 32 bytes):
    01 00 00 00 00 00 00 00 ff ff ff ff 00 00 00 00  ................
    ba 34 8c fe 00 00 00 00 00 00 01 00 01 00 05 00  .4..............
  backtrace:
    [<0000000051681be3>] kmalloc include/linux/slab.h:552 [inline]
    [<0000000051681be3>] kzalloc include/linux/slab.h:682 [inline]
    [<0000000051681be3>] virtio_transport_alloc_pkt+0x41/0x290 net/vmw_vsock/virtio_transport_common.c:51
    [<0000000036c2d6e6>] virtio_transport_send_pkt_info+0x105/0x1b0 net/vmw_vsock/virtio_transport_common.c:209
    [<00000000dd27435f>] virtio_transport_stream_enqueue+0x58/0x80 net/vmw_vsock/virtio_transport_common.c:674
    [<00000000d7e8274a>] vsock_stream_sendmsg+0x4f7/0x590 net/vmw_vsock/af_vsock.c:1800
    [<00000000d2b531e6>] sock_sendmsg_nosec net/socket.c:652 [inline]
    [<00000000d2b531e6>] sock_sendmsg+0x56/0x80 net/socket.c:672
    [<00000000803a63df>] ____sys_sendmsg+0x17a/0x390 net/socket.c:2345
    [<000000009d42f642>] ___sys_sendmsg+0x8b/0xd0 net/socket.c:2399
    [<000000000a37ed0e>] __sys_sendmmsg+0xed/0x290 net/socket.c:2489
    [<00000000324c1c73>] __do_sys_sendmmsg net/socket.c:2518 [inline]
    [<00000000324c1c73>] __se_sys_sendmmsg net/socket.c:2515 [inline]
    [<00000000324c1c73>] __x64_sys_sendmmsg+0x24/0x30 net/socket.c:2515
    [<000000004e7b2960>] do_syscall_64+0x2d/0x70 arch/x86/entry/common.c:46
    [<000000002615f594>] entry_SYSCALL_64_after_hwframe+0x44/0xa9

BUG: memory leak
unreferenced object 0xffff88811477d180 (size 96):
  comm "syz-executor196", pid 8793, jiffies 4294968272 (age 29.230s)
  hex dump (first 32 bytes):
    01 00 00 00 00 00 00 00 ff ff ff ff 00 00 00 00  ................
    ba 34 8c fe 00 00 00 00 00 00 01 00 01 00 05 00  .4..............
  backtrace:
    [<0000000051681be3>] kmalloc include/linux/slab.h:552 [inline]
    [<0000000051681be3>] kzalloc include/linux/slab.h:682 [inline]
    [<0000000051681be3>] virtio_transport_alloc_pkt+0x41/0x290 net/vmw_vsock/virtio_transport_common.c:51
    [<0000000036c2d6e6>] virtio_transport_send_pkt_info+0x105/0x1b0 net/vmw_vsock/virtio_transport_common.c:209
    [<00000000dd27435f>] virtio_transport_stream_enqueue+0x58/0x80 net/vmw_vsock/virtio_transport_common.c:674
    [<00000000d7e8274a>] vsock_stream_sendmsg+0x4f7/0x590 net/vmw_vsock/af_vsock.c:1800
    [<00000000d2b531e6>] sock_sendmsg_nosec net/socket.c:652 [inline]
    [<00000000d2b531e6>] sock_sendmsg+0x56/0x80 net/socket.c:672
    [<00000000803a63df>] ____sys_sendmsg+0x17a/0x390 net/socket.c:2345
    [<000000009d42f642>] ___sys_sendmsg+0x8b/0xd0 net/socket.c:2399
    [<000000000a37ed0e>] __sys_sendmmsg+0xed/0x290 net/socket.c:2489
    [<00000000324c1c73>] __do_sys_sendmmsg net/socket.c:2518 [inline]
    [<00000000324c1c73>] __se_sys_sendmmsg net/socket.c:2515 [inline]
    [<00000000324c1c73>] __x64_sys_sendmmsg+0x24/0x30 net/socket.c:2515
    [<000000004e7b2960>] do_syscall_64+0x2d/0x70 arch/x86/entry/common.c:46
    [<000000002615f594>] entry_SYSCALL_64_after_hwframe+0x44/0xa9

BUG: memory leak
unreferenced object 0xffff88811477d380 (size 96):
  comm "syz-executor196", pid 8793, jiffies 4294968272 (age 29.290s)
  hex dump (first 32 bytes):
    01 00 00 00 00 00 00 00 ff ff ff ff 00 00 00 00  ................
    ba 34 8c fe 00 00 00 00 00 00 01 00 01 00 05 00  .4..............
  backtrace:
    [<0000000051681be3>] kmalloc include/linux/slab.h:552 [inline]
    [<0000000051681be3>] kzalloc include/linux/slab.h:682 [inline]
    [<0000000051681be3>] virtio_transport_alloc_pkt+0x41/0x290 net/vmw_vsock/virtio_transport_common.c:51
    [<0000000036c2d6e6>] virtio_transport_send_pkt_info+0x105/0x1b0 net/vmw_vsock/virtio_transport_common.c:209
    [<00000000dd27435f>] virtio_transport_stream_enqueue+0x58/0x80 net/vmw_vsock/virtio_transport_common.c:674
    [<00000000d7e8274a>] vsock_stream_sendmsg+0x4f7/0x590 net/vmw_vsock/af_vsock.c:1800
    [<00000000d2b531e6>] sock_sendmsg_nosec net/socket.c:652 [inline]
    [<00000000d2b531e6>] sock_sendmsg+0x56/0x80 net/socket.c:672
    [<00000000803a63df>] ____sys_sendmsg+0x17a/0x390 net/socket.c:2345
    [<000000009d42f642>] ___sys_sendmsg+0x8b/0xd0 net/socket.c:2399
    [<000000000a37ed0e>] __sys_sendmmsg+0xed/0x290 net/socket.c:2489
    [<00000000324c1c73>] __do_sys_sendmmsg net/socket.c:2518 [inline]
    [<00000000324c1c73>] __se_sys_sendmmsg net/socket.c:2515 [inline]
    [<00000000324c1c73>] __x64_sys_sendmmsg+0x24/0x30 net/socket.c:2515
    [<000000004e7b2960>] do_syscall_64+0x2d/0x70 arch/x86/entry/common.c:46
    [<000000002615f594>] entry_SYSCALL_64_after_hwframe+0x44/0xa9

BUG: memory leak
unreferenced object 0xffff88811477d280 (size 96):
  comm "syz-executor196", pid 8793, jiffies 4294968272 (age 29.290s)
  hex dump (first 32 bytes):
    01 00 00 00 00 00 00 00 ff ff ff ff 00 00 00 00  ................
    ba 34 8c fe 00 00 00 00 00 00 01 00 01 00 05 00  .4..............
  backtrace:
    [<0000000051681be3>] kmalloc include/linux/slab.h:552 [inline]
    [<0000000051681be3>] kzalloc include/linux/slab.h:682 [inline]
    [<0000000051681be3>] virtio_transport_alloc_pkt+0x41/0x290 net/vmw_vsock/virtio_transport_common.c:51
    [<0000000036c2d6e6>] virtio_transport_send_pkt_info+0x105/0x1b0 net/vmw_vsock/virtio_transport_common.c:209
    [<00000000dd27435f>] virtio_transport_stream_enqueue+0x58/0x80 net/vmw_vsock/virtio_transport_common.c:674
    [<00000000d7e8274a>] vsock_stream_sendmsg+0x4f7/0x590 net/vmw_vsock/af_vsock.c:1800
    [<00000000d2b531e6>] sock_sendmsg_nosec net/socket.c:652 [inline]
    [<00000000d2b531e6>] sock_sendmsg+0x56/0x80 net/socket.c:672
    [<00000000803a63df>] ____sys_sendmsg+0x17a/0x390 net/socket.c:2345
    [<000000009d42f642>] ___sys_sendmsg+0x8b/0xd0 net/socket.c:2399
    [<000000000a37ed0e>] __sys_sendmmsg+0xed/0x290 net/socket.c:2489
    [<00000000324c1c73>] __do_sys_sendmmsg net/socket.c:2518 [inline]
    [<00000000324c1c73>] __se_sys_sendmmsg net/socket.c:2515 [inline]
    [<00000000324c1c73>] __x64_sys_sendmmsg+0x24/0x30 net/socket.c:2515
    [<000000004e7b2960>] do_syscall_64+0x2d/0x70 arch/x86/entry/common.c:46
    [<000000002615f594>] entry_SYSCALL_64_after_hwframe+0x44/0xa9

BUG: memory leak
unreferenced object 0xffff88811477d200 (size 96):
  comm "syz-executor196", pid 8793, jiffies 4294968272 (age 29.290s)
  hex dump (first 32 bytes):
    01 00 00 00 00 00 00 00 ff ff ff ff 00 00 00 00  ................
    ba 34 8c fe 00 00 00 00 00 00 01 00 01 00 05 00  .4..............
  backtrace:
    [<0000000051681be3>] kmalloc include/linux/slab.h:552 [inline]
    [<0000000051681be3>] kzalloc include/linux/slab.h:682 [inline]
    [<0000000051681be3>] virtio_transport_alloc_pkt+0x41/0x290 net/vmw_vsock/virtio_transport_common.c:51
    [<0000000036c2d6e6>] virtio_transport_send_pkt_info+0x105/0x1b0 net/vmw_vsock/virtio_transport_common.c:209
    [<00000000dd27435f>] virtio_transport_stream_enqueue+0x58/0x80 net/vmw_vsock/virtio_transport_common.c:674
    [<00000000d7e8274a>] vsock_stream_sendmsg+0x4f7/0x590 net/vmw_vsock/af_vsock.c:1800
    [<00000000d2b531e6>] sock_sendmsg_nosec net/socket.c:652 [inline]
    [<00000000d2b531e6>] sock_sendmsg+0x56/0x80 net/socket.c:672
    [<00000000803a63df>] ____sys_sendmsg+0x17a/0x390 net/socket.c:2345
    [<000000009d42f642>] ___sys_sendmsg+0x8b/0xd0 net/socket.c:2399
    [<000000000a37ed0e>] __sys_sendmmsg+0xed/0x290 net/socket.c:2489
    [<00000000324c1c73>] __do_sys_sendmmsg net/socket.c:2518 [inline]
    [<00000000324c1c73>] __se_sys_sendmmsg net/socket.c:2515 [inline]
    [<00000000324c1c73>] __x64_sys_sendmmsg+0x24/0x30 net/socket.c:2515
    [<000000004e7b2960>] do_syscall_64+0x2d/0x70 arch/x86/entry/common.c:46
    [<000000002615f594>] entry_SYSCALL_64_after_hwframe+0x44/0xa9

BUG: memory leak
unreferenced object 0xffff88811477d180 (size 96):
  comm "syz-executor196", pid 8793, jiffies 4294968272 (age 29.290s)
  hex dump (first 32 bytes):
    01 00 00 00 00 00 00 00 ff ff ff ff 00 00 00 00  ................
    ba 34 8c fe 00 00 00 00 00 00 01 00 01 00 05 00  .4..............
  backtrace:
    [<0000000051681be3>] kmalloc include/linux/slab.h:552 [inline]
    [<0000000051681be3>] kzalloc include/linux/slab.h:682 [inline]
    [<0000000051681be3>] virtio_transport_alloc_pkt+0x41/0x290 net/vmw_vsock/virtio_transport_common.c:51
    [<0000000036c2d6e6>] virtio_transport_send_pkt_info+0x105/0x1b0 net/vmw_vsock/virtio_transport_common.c:209
    [<00000000dd27435f>] virtio_transport_stream_enqueue+0x58/0x80 net/vmw_vsock/virtio_transport_common.c:674
    [<00000000d7e8274a>] vsock_stream_sendmsg+0x4f7/0x590 net/vmw_vsock/af_vsock.c:1800
    [<00000000d2b531e6>] sock_sendmsg_nosec net/socket.c:652 [inline]
    [<00000000d2b531e6>] sock_sendmsg+0x56/0x80 net/socket.c:672
    [<00000000803a63df>] ____sys_sendmsg+0x17a/0x390 net/socket.c:2345
    [<000000009d42f642>] ___sys_sendmsg+0x8b/0xd0 net/socket.c:2399
    [<000000000a37ed0e>] __sys_sendmmsg+0xed/0x290 net/socket.c:2489
    [<00000000324c1c73>] __do_sys_sendmmsg net/socket.c:2518 [inline]
    [<00000000324c1c73>] __se_sys_sendmmsg net/socket.c:2515 [inline]
    [<00000000324c1c73>] __x64_sys_sendmmsg+0x24/0x30 net/socket.c:2515
    [<000000004e7b2960>] do_syscall_64+0x2d/0x70 arch/x86/entry/common.c:46
    [<000000002615f594>] entry_SYSCALL_64_after_hwframe+0x44/0xa9

executing program
executing program
Crashes (2):
Manager	Time	Kernel	Commit	Syzkaller	Config	Log	Report	Syz repro	C repro	VM info	Title
ci-upstream-gce-leak	2021/01/22 10:15	upstream	9f29bd8b2e71	d4f4eca5	.config	log	report	syz	C		memory leak in virtio_transport_send_pkt_info
ci-upstream-gce-leak	2021/04/12 16:49	upstream	d434405aaab7	bfeda1b1	.config	log	report	syz			memory leak in virtio_transport_send_pkt_info