general protection fault: 0000 [#1] PREEMPT SMP KASAN CPU: 0 PID: 25941 Comm: syz-executor.4 Not tainted 4.19.34 #2 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:ip6erspan_set_version+0x5c/0x350 net/ipv6/ip6_gre.c:1742 Code: 07 38 d0 7f 08 84 c0 0f 85 9f 02 00 00 49 8d bc 24 b0 00 00 00 c6 43 54 01 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 <80> 3c 02 00 0f 85 9a 02 00 00 4d 8b ac 24 b0 00 00 00 4d 85 ed 0f RSP: 0018:ffff888063c6efc8 EFLAGS: 00010202 RAX: dffffc0000000000 RBX: ffff88805fd1ab98 RCX: ffffc9000e6bb000 RDX: 0000000000000016 RSI: ffffffff8610a4e4 RDI: 00000000000000b0 RBP: ffff888063c6efe0 R08: 1ffff1100bfa3573 R09: ffff88805fd1ab98 R10: ffffed100bfa357d R11: ffff88805fd1abef R12: 0000000000000000 R13: ffff88806e76c140 R14: ffffffff893ce800 R15: ffff88805fd1ab98 FS: 00007fcb2a17a700(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000001f7d5d0 CR3: 0000000068384000 CR4: 00000000001406f0 Call Trace: ip6erspan_newlink+0x66/0x7b0 net/ipv6/ip6_gre.c:2232 rtnl_newlink+0x1062/0x1620 net/core/rtnetlink.c:3107 kobject: 'loop2' (000000009bab6ae7): kobject_uevent_env kobject: 'loop2' (000000009bab6ae7): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop3' (00000000d4ae4aea): kobject_uevent_env rtnetlink_rcv_msg+0x465/0xb00 net/core/rtnetlink.c:4743 kobject: 'loop3' (00000000d4ae4aea): fill_kobj_path: path = '/devices/virtual/block/loop3' netlink_rcv_skb+0x180/0x460 net/netlink/af_netlink.c:2454 rtnetlink_rcv+0x1d/0x30 net/core/rtnetlink.c:4761 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 kobject: 'loop2' (000000009bab6ae7): kobject_uevent_env kobject: 'loop2' (000000009bab6ae7): fill_kobj_path: path = '/devices/virtual/block/loop2' __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: 0033:0x4582f9 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:00007fcb2a179c78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00000000004582f9 RDX: 0000000000000000 RSI: 0000000020001340 RDI: 0000000000000005 RBP: 000000000073bf00 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007fcb2a17a6d4 R13: 00000000004c596d R14: 00000000004d9c60 R15: 00000000ffffffff Modules linked in: ---[ end trace b050177e651878be ]--- kobject: 'loop5' (00000000921ec306): kobject_uevent_env kobject: 'loop5' (00000000921ec306): fill_kobj_path: path = '/devices/virtual/block/loop5' RIP: 0010:ip6erspan_set_version+0x5c/0x350 net/ipv6/ip6_gre.c:1742 kobject: 'loop0' (00000000a4d439ec): kobject_uevent_env Code: 07 38 d0 7f 08 84 c0 0f 85 9f 02 00 00 49 8d bc 24 b0 00 00 00 c6 43 54 01 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 <80> 3c 02 00 0f 85 9a 02 00 00 4d 8b ac 24 b0 00 00 00 4d 85 ed 0f kobject: 'loop0' (00000000a4d439ec): fill_kobj_path: path = '/devices/virtual/block/loop0' RSP: 0018:ffff888063c6efc8 EFLAGS: 00010202 RAX: dffffc0000000000 RBX: ffff88805fd1ab98 RCX: ffffc9000e6bb000 RDX: 0000000000000016 RSI: ffffffff8610a4e4 RDI: 00000000000000b0 kobject: 'loop2' (000000009bab6ae7): kobject_uevent_env RBP: ffff888063c6efe0 R08: 1ffff1100bfa3573 R09: ffff88805fd1ab98 kobject: 'loop0' (00000000a4d439ec): kobject_uevent_env R10: ffffed100bfa357d R11: ffff88805fd1abef R12: 0000000000000000 kobject: 'loop0' (00000000a4d439ec): fill_kobj_path: path = '/devices/virtual/block/loop0' R13: ffff88806e76c140 R14: ffffffff893ce800 R15: ffff88805fd1ab98 kobject: 'loop2' (000000009bab6ae7): fill_kobj_path: path = '/devices/virtual/block/loop2' FS: 00007fcb2a17a700(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fbad827da20 CR3: 0000000068384000 CR4: 00000000001406e0