general protection fault, probably for non-canonical address 0xdffffc0000000001: 0000 [#1] PREEMPT SMP KASAN KASAN: null-ptr-deref in range [0x0000000000000008-0x000000000000000f] CPU: 1 PID: 12291 Comm: syz-executor.4 Not tainted 5.7.0-rc7-next-20200529-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:inet_unhash+0x11f/0x750 net/ipv4/inet_hashtables.c:600 Code: 03 0f b6 04 02 84 c0 74 08 3c 03 0f 8e c8 04 00 00 48 8d 7d 08 44 8b 6b 08 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 <80> 3c 02 00 0f 85 5b 05 00 00 48 8d 7d 14 4c 8b 75 08 48 b8 00 00 RSP: 0018:ffffc900016f7d38 EFLAGS: 00010202 RAX: dffffc0000000000 RBX: ffff88809c455480 RCX: ffffc90011561000 RDX: 0000000000000001 RSI: ffffffff86a22451 RDI: 0000000000000008 RBP: 0000000000000000 R08: ffff888092976140 R09: ffffed101388ab52 R10: ffff88809c455a8f R11: ffffed101388ab51 R12: ffff88809c4554f0 R13: 0000000000000000 R14: ffff88809c455480 R15: 0000000000000073 FS: 00007f5bd5125700(0000) GS:ffff8880ae700000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000507f70 CR3: 0000000090c08000 CR4: 00000000001406e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: sk_common_release+0xba/0x370 net/core/sock.c:3289 inet6_create net/ipv6/af_inet6.c:266 [inline] inet6_create+0xd4a/0xf90 net/ipv6/af_inet6.c:110 __sock_create+0x3ca/0x730 net/socket.c:1428 sock_create net/socket.c:1479 [inline] __sys_socket+0xef/0x200 net/socket.c:1521 __do_sys_socket net/socket.c:1530 [inline] __se_sys_socket net/socket.c:1528 [inline] __x64_sys_socket+0x6f/0xb0 net/socket.c:1528 do_syscall_64+0x60/0xe0 arch/x86/entry/common.c:359 entry_SYSCALL_64_after_hwframe+0x44/0xa9 RIP: 0033:0x45ca59 Code: 0d b7 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 db b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:00007f5bd5124c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000029 RAX: ffffffffffffffda RBX: 0000000000507f60 RCX: 000000000045ca59 RDX: 0000000000000073 RSI: 0000000000000002 RDI: 000000000000000a RBP: 000000000078bf00 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff R13: 0000000000000bb3 R14: 00000000004ce133 R15: 00007f5bd51256d4 Modules linked in: ---[ end trace dc3ed80284645016 ]--- RIP: 0010:inet_unhash+0x11f/0x750 net/ipv4/inet_hashtables.c:600 Code: 03 0f b6 04 02 84 c0 74 08 3c 03 0f 8e c8 04 00 00 48 8d 7d 08 44 8b 6b 08 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 <80> 3c 02 00 0f 85 5b 05 00 00 48 8d 7d 14 4c 8b 75 08 48 b8 00 00 RSP: 0018:ffffc900016f7d38 EFLAGS: 00010202 RAX: dffffc0000000000 RBX: ffff88809c455480 RCX: ffffc90011561000 RDX: 0000000000000001 RSI: ffffffff86a22451 RDI: 0000000000000008 RBP: 0000000000000000 R08: ffff888092976140 R09: ffffed101388ab52 R10: ffff88809c455a8f R11: ffffed101388ab51 R12: ffff88809c4554f0 R13: 0000000000000000 R14: ffff88809c455480 R15: 0000000000000073 FS: 00007f5bd5125700(0000) GS:ffff8880ae700000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007ffe2941f878 CR3: 0000000090c08000 CR4: 00000000001406e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400