kasan: CONFIG_KASAN_INLINE enabled kasan: GPF could be caused by NULL-ptr deref or user memory access general protection fault: 0000 [#1] PREEMPT SMP KASAN kobject: 'loop1' (00000000b7e6706d): kobject_uevent_env CPU: 0 PID: 1261 Comm: syz-executor.0 Not tainted 4.19.34 #2 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:generic_timeout_obj_to_nlattr+0x77/0x120 net/netfilter/nf_conntrack_proto_generic.c:103 Code: b5 41 c7 00 f1 f1 f1 f1 c7 40 04 04 f3 f3 f3 65 48 8b 04 25 28 00 00 00 48 89 45 d0 31 c0 e8 50 32 d5 fb 4c 89 e0 48 c1 e8 03 <42> 0f b6 14 38 4c 89 e0 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 74 RSP: 0018:ffff88808ea6f3d8 EFLAGS: 00010246 RAX: 0000000000000000 RBX: 1ffff11011d4de7b RCX: ffffc90005e5f000 RDX: 00000000000151d7 RSI: ffffffff859604f0 RDI: ffff88808209ad00 RBP: ffff88808ea6f460 R08: ffff88805e7e2440 R09: ffff888052f50a28 R10: ffffed100a5ea144 R11: ffff888052f50a20 R12: 0000000000000000 R13: ffff88808ea6f438 R14: ffff88808209ad00 R15: dffffc0000000000 FS: 00007f921619c700(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00000000200001c0 CR3: 00000000612e9000 CR4: 00000000001406f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: kobject: 'queues' (00000000b079b0c7): kobject_add_internal: parent: 'vet', set: '' cttimeout_default_fill_info net/netfilter/nfnetlink_cttimeout.c:424 [inline] cttimeout_default_get+0x69a/0xa80 net/netfilter/nfnetlink_cttimeout.c:471 nfnetlink_rcv_msg+0xd12/0xfe0 net/netfilter/nfnetlink.c:228 netlink_rcv_skb+0x180/0x460 net/netlink/af_netlink.c:2454 nfnetlink_rcv+0x1c0/0x460 net/netfilter/nfnetlink.c:560 netlink_unicast_kernel net/netlink/af_netlink.c:1317 [inline] netlink_unicast+0x53c/0x720 net/netlink/af_netlink.c:1343 netlink_sendmsg+0x8ae/0xd70 net/netlink/af_netlink.c:1908 sock_sendmsg_nosec net/socket.c:622 [inline] sock_sendmsg+0xdd/0x130 net/socket.c:632 ___sys_sendmsg+0x806/0x930 net/socket.c:2115 __sys_sendmsg+0x105/0x1d0 net/socket.c:2153 __do_sys_sendmsg net/socket.c:2162 [inline] __se_sys_sendmsg net/socket.c:2160 [inline] __x64_sys_sendmsg+0x78/0xb0 net/socket.c:2160 do_syscall_64+0x103/0x610 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x458c29 Code: ad b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 7b b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:00007f921619bc78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000458c29 RDX: 0000000000000000 RSI: 0000000020dddfc8 RDI: 0000000000000004 RBP: 000000000073bf00 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007f921619c6d4 R13: 00000000004c632a R14: 00000000004da8e8 R15: 00000000ffffffff Modules linked in: kobject: 'loop1' (00000000b7e6706d): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'queues' (00000000b079b0c7): kobject_uevent_env kobject: 'queues' (00000000b079b0c7): kobject_uevent_env: filter function caused the event to drop! ---[ end trace e954ea8a49826b64 ]--- kobject: 'rx-0' (000000002c27f6f9): kobject_add_internal: parent: 'queues', set: 'queues' RIP: 0010:generic_timeout_obj_to_nlattr+0x77/0x120 net/netfilter/nf_conntrack_proto_generic.c:103 kobject: 'rx-0' (000000002c27f6f9): kobject_uevent_env Code: b5 41 c7 00 f1 f1 f1 f1 c7 40 04 04 f3 f3 f3 65 48 8b 04 25 28 00 00 00 48 89 45 d0 31 c0 e8 50 32 d5 fb 4c 89 e0 48 c1 e8 03 <42> 0f b6 14 38 4c 89 e0 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 74 kobject: 'rx-0' (000000002c27f6f9): fill_kobj_path: path = '/devices/virtual/net/vet/queues/rx-0' RSP: 0018:ffff88808ea6f3d8 EFLAGS: 00010246 RAX: 0000000000000000 RBX: 1ffff11011d4de7b RCX: ffffc90005e5f000 RDX: 00000000000151d7 RSI: ffffffff859604f0 RDI: ffff88808209ad00 RBP: ffff88808ea6f460 R08: ffff88805e7e2440 R09: ffff888052f50a28 R10: ffffed100a5ea144 R11: ffff888052f50a20 R12: 0000000000000000 R13: ffff88808ea6f438 R14: ffff88808209ad00 R15: dffffc0000000000 FS: 00007f921619c700(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000 kobject: 'tx-0' (00000000318a9489): kobject_add_internal: parent: 'queues', set: 'queues' kobject: 'tx-0' (00000000318a9489): kobject_uevent_env CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 kobject: 'tx-0' (00000000318a9489): fill_kobj_path: path = '/devices/virtual/net/vet/queues/tx-0' CR2: 0000001b2d822000 CR3: 00000000612e9000 CR4: 00000000001426e0 kobject: 'batman_adv' (000000004e702162): kobject_add_internal: parent: 'vet', set: '' kobject: 'kvm' (00000000c0c74223): kobject_uevent_env DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 kobject: 'kvm' (00000000c0c74223): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'kvm' (00000000c0c74223): kobject_uevent_env kobject: 'kvm' (00000000c0c74223): fill_kobj_path: path = '/devices/virtual/misc/kvm' DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 kobject: 'loop5' (00000000f3700c93): kobject_uevent_env kobject: 'kvm' (00000000c0c74223): kobject_uevent_env