memory leak in j1939_sk

Patch testing requests:
Created	Duration	User	Patch	Repo	Result
2022/04/22 04:07	7m	k.kahurani@gmail.com	patch	upstream	report log
2022/04/19 07:11	11m	k.kahurani@gmail.com	patch	upstream	report log
2022/04/18 07:10	6m	k.kahurani@gmail.com		upstream	report log
2021/06/28 12:52	13m	kael_w@yeah.net		https://github.com/wanjb2115/linux.git 4b7d586b0179	report log

BUG: memory leak
unreferenced object 0xffff88810a65c900 (size 240):
  comm "syz-executor852", pid 3608, jiffies 4294944187 (age 8.140s)
  hex dump (first 32 bytes):
    00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
    00 00 46 0b 81 88 ff ff 00 04 43 0b 81 88 ff ff  ..F.......C.....
  backtrace:
    [<ffffffff8385f186>] __alloc_skb+0x216/0x290 net/core/skbuff.c:414
    [<ffffffff83864d6a>] alloc_skb include/linux/skbuff.h:1434 [inline]
    [<ffffffff83864d6a>] alloc_skb_with_frags+0x6a/0x340 net/core/skbuff.c:6021
    [<ffffffff83856bb3>] sock_alloc_send_pskb+0x353/0x3c0 net/core/sock.c:2662
    [<ffffffff83e5d912>] sock_alloc_send_skb include/net/sock.h:1831 [inline]
    [<ffffffff83e5d912>] j1939_sk_alloc_skb net/can/j1939/socket.c:861 [inline]
    [<ffffffff83e5d912>] j1939_sk_send_loop net/can/j1939/socket.c:1118 [inline]
    [<ffffffff83e5d912>] j1939_sk_sendmsg+0x2d2/0x810 net/can/j1939/socket.c:1253
    [<ffffffff8384d0b6>] sock_sendmsg_nosec net/socket.c:714 [inline]
    [<ffffffff8384d0b6>] sock_sendmsg+0x56/0x80 net/socket.c:734
    [<ffffffff8384d61c>] ____sys_sendmsg+0x36c/0x390 net/socket.c:2485
    [<ffffffff838517f8>] ___sys_sendmsg+0xa8/0x110 net/socket.c:2539
    [<ffffffff83851988>] __sys_sendmsg+0x88/0x100 net/socket.c:2568
    [<ffffffff845ad8d5>] do_syscall_x64 arch/x86/entry/common.c:50 [inline]
    [<ffffffff845ad8d5>] do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80
    [<ffffffff84600087>] entry_SYSCALL_64_after_hwframe+0x63/0xcd

BUG: memory leak
unreferenced object 0xffff88810a65c500 (size 240):
  comm "syz-executor852", pid 3608, jiffies 4294944187 (age 8.140s)
  hex dump (first 32 bytes):
    00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
    00 00 46 0b 81 88 ff ff 00 04 43 0b 81 88 ff ff  ..F.......C.....
  backtrace:
    [<ffffffff8385f186>] __alloc_skb+0x216/0x290 net/core/skbuff.c:414
    [<ffffffff83864d6a>] alloc_skb include/linux/skbuff.h:1434 [inline]
    [<ffffffff83864d6a>] alloc_skb_with_frags+0x6a/0x340 net/core/skbuff.c:6021
    [<ffffffff83856bb3>] sock_alloc_send_pskb+0x353/0x3c0 net/core/sock.c:2662
    [<ffffffff83e5d912>] sock_alloc_send_skb include/net/sock.h:1831 [inline]
    [<ffffffff83e5d912>] j1939_sk_alloc_skb net/can/j1939/socket.c:861 [inline]
    [<ffffffff83e5d912>] j1939_sk_send_loop net/can/j1939/socket.c:1118 [inline]
    [<ffffffff83e5d912>] j1939_sk_sendmsg+0x2d2/0x810 net/can/j1939/socket.c:1253
    [<ffffffff8384d0b6>] sock_sendmsg_nosec net/socket.c:714 [inline]
    [<ffffffff8384d0b6>] sock_sendmsg+0x56/0x80 net/socket.c:734
    [<ffffffff8384d61c>] ____sys_sendmsg+0x36c/0x390 net/socket.c:2485
    [<ffffffff838517f8>] ___sys_sendmsg+0xa8/0x110 net/socket.c:2539
    [<ffffffff83851988>] __sys_sendmsg+0x88/0x100 net/socket.c:2568
    [<ffffffff845ad8d5>] do_syscall_x64 arch/x86/entry/common.c:50 [inline]
    [<ffffffff845ad8d5>] do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80
    [<ffffffff84600087>] entry_SYSCALL_64_after_hwframe+0x63/0xcd

BUG: memory leak
unreferenced object 0xffff88810cc95800 (size 2048):
  comm "syz-executor852", pid 3608, jiffies 4294944187 (age 8.140s)
  hex dump (first 32 bytes):
    15 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:
    [<ffffffff8385f053>] kmalloc_reserve net/core/skbuff.c:354 [inline]
    [<ffffffff8385f053>] __alloc_skb+0xe3/0x290 net/core/skbuff.c:426
    [<ffffffff83864d6a>] alloc_skb include/linux/skbuff.h:1434 [inline]
    [<ffffffff83864d6a>] alloc_skb_with_frags+0x6a/0x340 net/core/skbuff.c:6021
    [<ffffffff83856bb3>] sock_alloc_send_pskb+0x353/0x3c0 net/core/sock.c:2662
    [<ffffffff83e5d912>] sock_alloc_send_skb include/net/sock.h:1831 [inline]
    [<ffffffff83e5d912>] j1939_sk_alloc_skb net/can/j1939/socket.c:861 [inline]
    [<ffffffff83e5d912>] j1939_sk_send_loop net/can/j1939/socket.c:1118 [inline]
    [<ffffffff83e5d912>] j1939_sk_sendmsg+0x2d2/0x810 net/can/j1939/socket.c:1253
    [<ffffffff8384d0b6>] sock_sendmsg_nosec net/socket.c:714 [inline]
    [<ffffffff8384d0b6>] sock_sendmsg+0x56/0x80 net/socket.c:734
    [<ffffffff8384d61c>] ____sys_sendmsg+0x36c/0x390 net/socket.c:2485
    [<ffffffff838517f8>] ___sys_sendmsg+0xa8/0x110 net/socket.c:2539
    [<ffffffff83851988>] __sys_sendmsg+0x88/0x100 net/socket.c:2568
    [<ffffffff845ad8d5>] do_syscall_x64 arch/x86/entry/common.c:50 [inline]
    [<ffffffff845ad8d5>] do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80
    [<ffffffff84600087>] entry_SYSCALL_64_after_hwframe+0x63/0xcd

Manager	Time	Kernel	Commit	Syzkaller	Config	Log	Report	Syz repro	C repro	Title
ci-upstream-gce-leak	2022/08/04 09:24	upstream	200e340f2196	1c9013ac	.config	log	report	syz	C	memory leak in j1939_sk_sendmsg
ci-upstream-gce-leak	2022/08/04 08:54	upstream	200e340f2196	1c9013ac	.config	log	report	syz	C	memory leak in j1939_sk_sendmsg
ci-upstream-gce-leak	2022/05/14 05:26	upstream	ec7f49619d8e	107f6434	.config	log	report	syz	C	memory leak in j1939_sk_sendmsg
ci-upstream-gce-leak	2022/04/09 14:29	upstream	6c7376da2358	e22c3da3	.config	log	report	syz	C	memory leak in j1939_sk_sendmsg
ci-upstream-gce-leak	2021/09/10 16:34	upstream	bf9f243f23e6	5ae8508a	.config	log	report	syz	C	memory leak in j1939_sk_sendmsg
ci-upstream-gce-leak	2021/09/09 10:34	upstream	730bf31b8fc8	e2776ee4	.config	log	report	syz	C	memory leak in j1939_sk_sendmsg
ci-upstream-gce-leak	2021/06/24 04:18	upstream	7266f2030eb0	fe4ab389	.config	log	report	syz	C	memory leak in j1939_sk_sendmsg
ci-upstream-gce-leak	2022/09/12 23:05	upstream	80e78fcce86d	f371ed7e	.config	log	report	syz		memory leak in j1939_sk_sendmsg
ci-upstream-gce-leak	2022/08/07 12:18	upstream	20cf903a0c40	88e3a122	.config	log	report	syz		memory leak in j1939_sk_sendmsg
ci-upstream-gce-leak	2022/08/07 09:12	upstream	20cf903a0c40	88e3a122	.config	log	report	syz		memory leak in j1939_sk_sendmsg
ci-upstream-gce-leak	2022/06/01 08:35	upstream	2a5699b0de4e	3666edfe	.config	log	report	syz		memory leak in j1939_sk_sendmsg
ci-upstream-gce-leak	2022/05/28 20:34	upstream	9d004b2f4fea	a46af346	.config	log	report	syz		memory leak in j1939_sk_sendmsg
ci-upstream-gce-leak	2022/05/28 01:47	upstream	8291eaafed36	a46af346	.config	log	report	syz		memory leak in j1939_sk_sendmsg
ci-upstream-gce-leak	2022/05/26 09:34	upstream	7e062cda7d90	3037caa9	.config	log	report	syz		memory leak in j1939_sk_sendmsg
ci-upstream-gce-leak	2022/05/15 07:14	upstream	2fe1020d73ca	744a39e2	.config	log	report	syz		memory leak in j1939_sk_sendmsg
ci-upstream-gce-leak	2022/04/17 17:51	upstream	a2c29ccd9477	8bcc32a6	.config	log	report	syz		memory leak in j1939_sk_sendmsg
ci-upstream-gce-leak	2022/04/03 16:19	upstream	be2d3ecedd99	79a2a8fc	.config	log	report	syz		memory leak in j1939_sk_sendmsg