BUG: kernel NULL pointer dereference, address: 0000000000000000 #PF: supervisor instruction fetch in kernel mode #PF: error_code(0x0010) - not-present page PGD 9fef0067 P4D 9fef0067 PUD 9060d067 PMD 0 Oops: 0010 [#1] PREEMPT SMP KASAN CPU: 1 PID: 9884 Comm: syz-executor453 Not tainted 5.3.0-rc7+ #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:0x0 Code: Bad RIP value. RSP: 0018:ffff8880a7c6fcd8 EFLAGS: 00010246 RAX: dffffc0000000000 RBX: ffffffff8992bfe0 RCX: ffffffff86b9b636 RDX: 0000000000000000 RSI: ffff8880a7c6fd40 RDI: ffffffff897830c0 RBP: ffff8880a7c6fda8 R08: ffff888093150558 R09: 0000000000000000 R10: fffffbfff134af9f R11: ffff88809a008040 R12: ffff888093150080 R13: ffffffff897830c0 R14: 0000000000000000 R15: ffff8880a7c6fd40 FS: 000055555738a880(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffffffffffffffd6 CR3: 000000008f04a000 CR4: 00000000001406e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: rds_bind+0x420/0x800 net/rds/bind.c:247 __sys_bind+0x239/0x290 net/socket.c:1647 __do_sys_bind net/socket.c:1658 [inline] __se_sys_bind net/socket.c:1656 [inline] __x64_sys_bind+0x73/0xb0 net/socket.c:1656 do_syscall_64+0xfd/0x6a0 arch/x86/entry/common.c:296 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x4412b9 Code: e8 ac e8 ff ff 48 83 c4 18 c3 0f 1f 80 00 00 00 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 0f 83 eb 08 fc ff c3 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:00007ffc7c28b228 EFLAGS: 00000246 ORIG_RAX: 0000000000000031 RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00000000004412b9 RDX: 0000000000000010 RSI: 0000000020000200 RDI: 0000000000000003 RBP: 00000000006cb018 R08: 00000000004002c8 R09: 00000000004002c8 R10: 00000000004002c8 R11: 0000000000000246 R12: 0000000000402030 R13: 00000000004020c0 R14: 0000000000000000 R15: 0000000000000000 Modules linked in: CR2: 0000000000000000 ---[ end trace b47a1983319ea52a ]--- RIP: 0010:0x0 Code: Bad RIP value. RSP: 0018:ffff8880a7c6fcd8 EFLAGS: 00010246 RAX: dffffc0000000000 RBX: ffffffff8992bfe0 RCX: ffffffff86b9b636 RDX: 0000000000000000 RSI: ffff8880a7c6fd40 RDI: ffffffff897830c0 RBP: ffff8880a7c6fda8 R08: ffff888093150558 R09: 0000000000000000 R10: fffffbfff134af9f R11: ffff88809a008040 R12: ffff888093150080 R13: ffffffff897830c0 R14: 0000000000000000 R15: ffff8880a7c6fd40 FS: 000055555738a880(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00000000004bf788 CR3: 000000008f04a000 CR4: 00000000001406e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400