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🐞 Open [954] 🐞 Fixed [4017] 🐞 Invalid [8910] 📈 Kernel Health 📈 Bug Lifetimes 📈 Fuzzing 📈 Crashes

memory leak in virtio_transport_send_pkt_info

Status: fixed on 2021/11/10 00:50
Reported-by: syzbot+24452624fc4c571eedd9@syzkaller.appspotmail.com
Fix commit: 8432b8114957 vsock/virtio: free queued packets when closing socket
First crash: 613d, last: 533d
Patch testing requests:
Created Duration User Patch 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
* Struck through repros no longer work on HEAD.