Hello, syzbot found the following issue on: HEAD commit: 626bf91a292e Merge tag 'net-5.15-rc1' of git://git.kernel... git tree: net-next console output: https://syzkaller.appspot.com/x/log.txt?x=150107a5300000 kernel config: https://syzkaller.appspot.com/x/.config?x=16e23f04679ec35e dashboard link: https://syzkaller.appspot.com/bug?extid=a568bbab323b96631e61 compiler: gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.1 syz repro: https://syzkaller.appspot.com/x/repro.syz?x=178b5d0d300000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=16fad1dd300000 IMPORTANT: if you fix the issue, please add the following tag to the commit: Reported-by: syzbot+a568bbab323b96631e61@xxxxxxxxxxxxxxxxxxxxxxxxx ------------[ cut here ]------------ WARNING: CPU: 1 PID: 8419 at mm/util.c:597 kvmalloc_node+0x111/0x120 mm/util.c:597 Modules linked in: CPU: 0 PID: 8419 Comm: syz-executor852 Not tainted 5.14.0-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:kvmalloc_node+0x111/0x120 mm/util.c:597 Code: 01 00 00 00 4c 89 e7 e8 3d 13 0d 00 49 89 c5 e9 69 ff ff ff e8 50 9d d0 ff 41 89 ed 41 81 cd 00 20 01 00 eb 95 e8 3f 9d d0 ff <0f> 0b e9 4c ff ff ff 0f 1f 84 00 00 00 00 00 55 48 89 fd 53 e8 26 RSP: 0018:ffffc9000110f288 EFLAGS: 00010293 RAX: 0000000000000000 RBX: ffffc9000110f3a0 RCX: 0000000000000000 RDX: ffff88807ad9d580 RSI: ffffffff81a57421 RDI: 0000000000000003 RBP: 0000000000400dc0 R08: 000000007fffffff R09: ffff8880b9d3298b R10: ffffffff81a573de R11: 000000000000001f R12: 0000000200000018 R13: 0000000000000000 R14: 00000000ffffffff R15: ffff888027ea2a00 FS: 0000000001147300(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fd51c03d0c8 CR3: 00000000726fe000 CR4: 00000000001506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: hash_ipport_create+0x3dd/0x1220 net/netfilter/ipset/ip_set_hash_gen.h:1524 ip_set_create+0x782/0x15a0 net/netfilter/ipset/ip_set_core.c:1100 nfnetlink_rcv_msg+0xbc9/0x13f0 net/netfilter/nfnetlink.c:296 netlink_rcv_skb+0x153/0x420 net/netlink/af_netlink.c:2504 nfnetlink_rcv+0x1ac/0x420 net/netfilter/nfnetlink.c:654 netlink_unicast_kernel net/netlink/af_netlink.c:1314 [inline] netlink_unicast+0x533/0x7d0 net/netlink/af_netlink.c:1340 netlink_sendmsg+0x86d/0xdb0 net/netlink/af_netlink.c:1929 sock_sendmsg_nosec net/socket.c:704 [inline] sock_sendmsg+0xcf/0x120 net/socket.c:724 ____sys_sendmsg+0x6e8/0x810 net/socket.c:2409 ___sys_sendmsg+0xf3/0x170 net/socket.c:2463 __sys_sendmsg+0xe5/0x1b0 net/socket.c:2492 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x44/0xae RIP: 0033:0x43f039 Code: 28 c3 e8 2a 14 00 00 66 2e 0f 1f 84 00 00 00 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 c0 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007fff01c17cc8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 0000000000400488 RCX: 000000000043f039 RDX: 0000000000000000 RSI: 0000000020001080 RDI: 0000000000000003 RBP: 0000000000403020 R08: 0000000000000009 R09: 0000000000400488 R10: 0000000000000003 R11: 0000000000000246 R12: 00000000004030b0 R13: 0000000000000000 R14: 00000000004ac018 R15: 0000000000400488 --- This report is generated by a bot. It may contain errors. See https://goo.gl/tpsmEJ for more information about syzbot. syzbot engineers can be reached at syzkaller@xxxxxxxxxxxxxxxx. syzbot will keep track of this issue. See: https://goo.gl/tpsmEJ#status for how to communicate with syzbot. syzbot can test patches for this issue, for details see: https://goo.gl/tpsmEJ#testing-patches
