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 CPU: 1 PID: 12037 Comm: syz-executor.5 Not tainted 4.19.34 #2 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 kobject: 'loop0' (00000000746614a8): kobject_uevent_env RIP: 0010:udp_timeout_obj_to_nlattr+0x77/0x1a0 net/netfilter/nf_conntrack_proto_udp.c:209 kobject: 'loop0' (00000000746614a8): fill_kobj_path: path = '/devices/virtual/block/loop0' Code: 96 85 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 30 9a d4 fb 48 89 d8 48 c1 e8 03 <42> 0f b6 14 38 48 89 d8 83 e0 07 83 c0 03 38 d0 7c 08 84 d2 0f 85 RSP: 0018:ffff888090b1f3d0 EFLAGS: 00010246 RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffc900108c2000 RDX: 0000000000013a3e RSI: ffffffff85969d10 RDI: ffff88809c6f85c0 RBP: ffff888090b1f460 R08: ffff88807a27a5c0 R09: ffff888092dae7a8 R10: ffffed10125b5cf4 R11: ffff888092dae7a0 R12: 1ffff11012163e7b R13: ffff88809c6f85c0 R14: ffff888090b1f438 R15: dffffc0000000000 FS: 00007f973e7d6700(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00000000021643d8 CR3: 00000000a1e23000 CR4: 00000000001406e0 kobject: 'loop1' (00000000acd75b94): kobject_uevent_env DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: 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:00007f973e7d5c78 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: 00007f973e7d66d4 R13: 00000000004c6501 R14: 00000000004dae68 R15: 00000000ffffffff Modules linked in: ---[ end trace ddf797f27f1d84ef ]--- kobject: 'loop1' (00000000acd75b94): fill_kobj_path: path = '/devices/virtual/block/loop1' RIP: 0010:udp_timeout_obj_to_nlattr+0x77/0x1a0 net/netfilter/nf_conntrack_proto_udp.c:209 tls_set_device_offload_rx: netdev lo with no TLS offload Code: 96 85 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 30 9a d4 fb 48 89 d8 48 c1 e8 03 <42> 0f b6 14 38 48 89 d8 83 e0 07 83 c0 03 38 d0 7c 08 84 d2 0f 85 kobject: 'loop3' (00000000209e606e): kobject_uevent_env kobject: 'loop3' (00000000209e606e): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'kvm' (0000000074824717): kobject_uevent_env tls_set_device_offload_rx: netdev lo with no TLS offload kobject: 'kvm' (0000000074824717): fill_kobj_path: path = '/devices/virtual/misc/kvm' RSP: 0018:ffff888090b1f3d0 EFLAGS: 00010246 kobject: 'loop0' (00000000746614a8): kobject_uevent_env RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffc900108c2000 kobject: 'loop0' (00000000746614a8): fill_kobj_path: path = '/devices/virtual/block/loop0' RDX: 0000000000013a3e RSI: ffffffff85969d10 RDI: ffff88809c6f85c0 kobject: 'kvm' (0000000074824717): kobject_uevent_env protocol 88fb is buggy, dev hsr_slave_0 protocol 88fb is buggy, dev hsr_slave_1 RBP: ffff888090b1f460 R08: ffff88807a27a5c0 R09: ffff888092dae7a8 kobject: 'kvm' (0000000074824717): fill_kobj_path: path = '/devices/virtual/misc/kvm' R10: ffffed10125b5cf4 R11: ffff888092dae7a0 R12: 1ffff11012163e7b kobject: 'loop4' (0000000053e8ede1): kobject_uevent_env R13: ffff88809c6f85c0 R14: ffff888090b1f438 R15: dffffc0000000000 kobject: 'loop4' (0000000053e8ede1): fill_kobj_path: path = '/devices/virtual/block/loop4' tls_set_device_offload_rx: netdev lo with no TLS offload FS: 00007f973e7d6700(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000 kobject: 'loop0' (00000000746614a8): kobject_uevent_env kobject: 'loop0' (00000000746614a8): fill_kobj_path: path = '/devices/virtual/block/loop0' CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 kobject: 'loop1' (00000000acd75b94): kobject_uevent_env CR2: 0000001b2ec23000 CR3: 00000000a1e23000 CR4: 00000000001406e0 kobject: 'loop1' (00000000acd75b94): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop2' (000000004f317187): kobject_uevent_env kobject: 'loop2' (000000004f317187): fill_kobj_path: path = '/devices/virtual/block/loop2' DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 kobject: 'loop3' (00000000209e606e): kobject_uevent_env DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 kobject: 'loop3' (00000000209e606e): fill_kobj_path: path = '/devices/virtual/block/loop3'