On Sat, Apr 10, 2021 at 4:49 PM syzbot <syzbot+154bd5be532a63aa778b@xxxxxxxxxxxxxxxxxxxxxxxxx> wrote: > > Hello, > > syzbot found the following issue on: > > HEAD commit: cc0626c2 net: smsc911x: skip acpi_device_id table when !CO.. > git tree: net-next > console output: https://syzkaller.appspot.com/x/log.txt?x=110a3096d00000 > kernel config: https://syzkaller.appspot.com/x/.config?x=7eff0f22b8563a5f > dashboard link: https://syzkaller.appspot.com/bug?extid=154bd5be532a63aa778b > > Unfortunately, I don't have any reproducer for this issue yet. > > IMPORTANT: if you fix the issue, please add the following tag to the commit: > Reported-by: syzbot+154bd5be532a63aa778b@xxxxxxxxxxxxxxxxxxxxxxxxx Is this also fixed by "netfilter: arptables: use pernet ops struct during unregister"? The warning is the same, but the stack is different... > hook not found, pf 2 num 0 > WARNING: CPU: 1 PID: 8144 at net/netfilter/core.c:480 __nf_unregister_net_hook+0x1eb/0x610 net/netfilter/core.c:480 > Modules linked in: > CPU: 1 PID: 8144 Comm: syz-executor.0 Not tainted 5.12.0-rc4-syzkaller #0 > Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 > RIP: 0010:__nf_unregister_net_hook+0x1eb/0x610 net/netfilter/core.c:480 > Code: 0f b6 14 02 48 89 c8 83 e0 07 83 c0 03 38 d0 7c 08 84 d2 0f 85 11 04 00 00 8b 53 1c 89 ee 48 c7 c7 e0 26 6c 8a e8 72 df 87 01 <0f> 0b e9 e5 00 00 00 e8 09 1d 37 fa 44 8b 3c 24 4c 89 f8 48 c1 e0 > RSP: 0018:ffffc9001534f418 EFLAGS: 00010282 > RAX: 0000000000000000 RBX: ffff88802f867a00 RCX: 0000000000000000 > RDX: 0000000000040000 RSI: ffffffff815c5205 RDI: fffff52002a69e75 > RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000 > R10: ffffffff815bdf9e R11: 0000000000000000 R12: ffff8880272c8f20 > R13: 0000000000000000 R14: ffff88802fa34c00 R15: 0000000000000006 > FS: 00007feaf7d10700(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000 > CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 > CR2: 00007fb651f70ca0 CR3: 0000000069f31000 CR4: 00000000001506f0 > DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 > DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 > Call Trace: > nf_unregister_net_hook+0xd5/0x110 net/netfilter/core.c:502 > nf_tables_unregister_hook.part.0+0x131/0x200 net/netfilter/nf_tables_api.c:234 > nf_tables_unregister_hook net/netfilter/nf_tables_api.c:8122 [inline] > nf_tables_commit+0x1d9b/0x4710 net/netfilter/nf_tables_api.c:8122 > nfnetlink_rcv_batch+0x975/0x21b0 net/netfilter/nfnetlink.c:508 > nfnetlink_rcv_skb_batch net/netfilter/nfnetlink.c:580 [inline] > nfnetlink_rcv+0x3af/0x420 net/netfilter/nfnetlink.c:598 > netlink_unicast_kernel net/netlink/af_netlink.c:1312 [inline] > netlink_unicast+0x533/0x7d0 net/netlink/af_netlink.c:1338 > netlink_sendmsg+0x856/0xd90 net/netlink/af_netlink.c:1927 > sock_sendmsg_nosec net/socket.c:654 [inline] > sock_sendmsg+0xcf/0x120 net/socket.c:674 > ____sys_sendmsg+0x6e8/0x810 net/socket.c:2350 > ___sys_sendmsg+0xf3/0x170 net/socket.c:2404 > __sys_sendmsg+0xe5/0x1b0 net/socket.c:2433 > do_syscall_64+0x2d/0x70 arch/x86/entry/common.c:46 > entry_SYSCALL_64_after_hwframe+0x44/0xae > RIP: 0033:0x466459 > Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 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 bc ff ff ff f7 d8 64 89 01 48 > RSP: 002b:00007feaf7d10188 EFLAGS: 00000246 ORIG_RAX: 000000000000002e > RAX: ffffffffffffffda RBX: 000000000056bf60 RCX: 0000000000466459 > RDX: 0000000000000000 RSI: 000000002000c2c0 RDI: 0000000000000003 > RBP: 00000000004bf9fb R08: 0000000000000000 R09: 0000000000000000 > R10: 0000000000000000 R11: 0000000000000246 R12: 000000000056bf60 > R13: 00007ffe0fcaf04f R14: 00007feaf7d10300 R15: 0000000000022000 > > > --- > 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. > > -- > You received this message because you are subscribed to the Google Groups "syzkaller-bugs" group. > To unsubscribe from this group and stop receiving emails from it, send an email to syzkaller-bugs+unsubscribe@xxxxxxxxxxxxxxxx. > To view this discussion on the web visit https://groups.google.com/d/msgid/syzkaller-bugs/0000000000008ce91e05bf9f62bc%40google.com.