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memory leak in netlbl_cipsov4_add

Status: closed as invalid on 2021/10/06 01:19
Subsystems: lsm net
[Documentation on labels]
First crash: 1159d, last: 1075d

Sample crash report:
Warning: Permanently added '10.128.0.191' (ECDSA) to the list of known hosts.
executing program
executing program
BUG: memory leak
unreferenced object 0xffff8881139c5a80 (size 64):
  comm "syz-executor165", pid 8420, jiffies 4294944302 (age 12.370s)
  hex dump (first 32 bytes):
    10 00 00 00 00 00 00 00 10 00 00 00 00 00 00 00  ................
    00 00 00 00 00 00 00 00 10 00 00 00 00 00 00 00  ................
  backtrace:
    [<ffffffff83fef6a7>] kmalloc include/linux/slab.h:556 [inline]
    [<ffffffff83fef6a7>] kzalloc include/linux/slab.h:686 [inline]
    [<ffffffff83fef6a7>] netlbl_cipsov4_add_std net/netlabel/netlabel_cipso_v4.c:145 [inline]
    [<ffffffff83fef6a7>] netlbl_cipsov4_add+0x227/0xc80 net/netlabel/netlabel_cipso_v4.c:416
    [<ffffffff83821a93>] genl_family_rcv_msg_doit+0x113/0x180 net/netlink/genetlink.c:739
    [<ffffffff83822174>] genl_family_rcv_msg net/netlink/genetlink.c:783 [inline]
    [<ffffffff83822174>] genl_rcv_msg+0x174/0x2c0 net/netlink/genetlink.c:800
    [<ffffffff83820847>] netlink_rcv_skb+0x87/0x1d0 net/netlink/af_netlink.c:2502
    [<ffffffff83821154>] genl_rcv+0x24/0x40 net/netlink/genetlink.c:811
    [<ffffffff8381fa32>] netlink_unicast_kernel net/netlink/af_netlink.c:1312 [inline]
    [<ffffffff8381fa32>] netlink_unicast+0x392/0x4c0 net/netlink/af_netlink.c:1338
    [<ffffffff8381fec8>] netlink_sendmsg+0x368/0x6a0 net/netlink/af_netlink.c:1927
    [<ffffffff8368e076>] sock_sendmsg_nosec net/socket.c:654 [inline]
    [<ffffffff8368e076>] sock_sendmsg+0x56/0x80 net/socket.c:674
    [<ffffffff8368e5dc>] ____sys_sendmsg+0x36c/0x390 net/socket.c:2350
    [<ffffffff8369262b>] ___sys_sendmsg+0x8b/0xd0 net/socket.c:2404
    [<ffffffff83692728>] __sys_sendmsg+0x88/0x100 net/socket.c:2433
    [<ffffffff84350f8a>] do_syscall_64+0x3a/0xb0 arch/x86/entry/common.c:47
    [<ffffffff84400068>] entry_SYSCALL_64_after_hwframe+0x44/0xae


Crashes (8):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2021/05/15 17:33 upstream 25a1298726e9 93f844de .config console log report syz C ci-upstream-gce-leak memory leak in netlbl_cipsov4_add
2021/05/13 22:49 upstream c06a2ba62fc4 80f9b418 .config console log report syz C ci-upstream-gce-leak memory leak in netlbl_cipsov4_add
2021/05/11 08:57 upstream 0aa099a312b6 ca873091 .config console log report syz C ci-upstream-gce-leak memory leak in netlbl_cipsov4_add
2021/04/21 03:11 upstream 1fe5501ba1ab c0ced557 .config console log report syz C ci-upstream-gce-leak memory leak in netlbl_cipsov4_add
2021/04/17 23:39 upstream 194cf4825638 7e2b734b .config console log report syz C ci-upstream-gce-leak memory leak in netlbl_cipsov4_add
2021/04/16 22:32 upstream 2f7b98d1e55c 7e2b734b .config console log report syz C ci-upstream-gce-leak memory leak in netlbl_cipsov4_add
2021/03/01 11:40 upstream cd278456d4ca 4c37c133 .config console log report syz C ci-upstream-gce-leak memory leak in netlbl_cipsov4_add
2021/02/21 07:28 upstream e767b3530acb 3e5ed8b4 .config console log report syz C ci-upstream-gce-leak memory leak in netlbl_cipsov4_add
* Struck through repros no longer work on HEAD.