------------[ cut here ]------------ kernel BUG at net/rxrpc/recvmsg.c:605! invalid opcode: 0000 [#1] PREEMPT SMP KASAN CPU: 1 PID: 6847 Comm: syz-executor427 Not tainted 5.8.0-rc3-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:rxrpc_recvmsg+0x18ab/0x1a03 net/rxrpc/recvmsg.c:605 Code: 89 e7 e8 28 f3 6e fa e9 eb fc ff ff e8 1e f3 6e fa e9 33 ef ff ff 48 8b 7c 24 10 e8 0f f3 6e fa e9 dc ee ff ff e8 85 9d 2f fa <0f> 0b 48 8b 7c 24 10 e8 f9 f2 6e fa e9 76 ee ff ff 48 89 ef e8 dc RSP: 0018:ffffc90001677858 EFLAGS: 00010293 RAX: 0000000000000000 RBX: ffff8880a3c6fc78 RCX: ffffffff87440877 RDX: ffff88808ef28200 RSI: ffffffff874419db RDI: 0000000000000001 RBP: ffff8880a2a3e700 R08: 0000000000000000 R09: ffff8880a3c6fd27 R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000001 R13: ffff8880a3c6fa80 R14: 0000000000000000 R15: ffff8880a3c6fd20 FS: 00007f513f99a700(0000) GS:ffff8880ae700000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00000000006db0f0 CR3: 000000009f106000 CR4: 00000000001406e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: sock_recvmsg_nosec net/socket.c:886 [inline] sock_recvmsg net/socket.c:904 [inline] sock_recvmsg net/socket.c:900 [inline] ____sys_recvmsg+0x2c4/0x640 net/socket.c:2575 ___sys_recvmsg+0x127/0x200 net/socket.c:2617 do_recvmmsg+0x24d/0x6d0 net/socket.c:2715 __sys_recvmmsg net/socket.c:2794 [inline] __do_sys_recvmmsg net/socket.c:2817 [inline] __se_sys_recvmmsg net/socket.c:2810 [inline] __x64_sys_recvmmsg+0x20b/0x260 net/socket.c:2810 do_syscall_64+0x60/0xe0 arch/x86/entry/common.c:359 entry_SYSCALL_64_after_hwframe+0x44/0xa9 RIP: 0033:0x446cd9 Code: Bad RIP value. RSP: 002b:00007f513f999d98 EFLAGS: 00000246 ORIG_RAX: 000000000000012b RAX: ffffffffffffffda RBX: 00000000006dcc38 RCX: 0000000000446cd9 RDX: 0000000000000001 RSI: 0000000020000100 RDI: 0000000000000003 RBP: 00000000006dcc30 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00000000006dcc3c R13: 0000000000000007 R14: 0000000100000110 R15: 0000000000000018 Modules linked in: ---[ end trace 391013e7a9eff1f7 ]--- RIP: 0010:rxrpc_recvmsg+0x18ab/0x1a03 net/rxrpc/recvmsg.c:605 Code: 89 e7 e8 28 f3 6e fa e9 eb fc ff ff e8 1e f3 6e fa e9 33 ef ff ff 48 8b 7c 24 10 e8 0f f3 6e fa e9 dc ee ff ff e8 85 9d 2f fa <0f> 0b 48 8b 7c 24 10 e8 f9 f2 6e fa e9 76 ee ff ff 48 89 ef e8 dc RSP: 0018:ffffc90001677858 EFLAGS: 00010293 RAX: 0000000000000000 RBX: ffff8880a3c6fc78 RCX: ffffffff87440877 RDX: ffff88808ef28200 RSI: ffffffff874419db RDI: 0000000000000001 RBP: ffff8880a2a3e700 R08: 0000000000000000 R09: ffff8880a3c6fd27 R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000001 R13: ffff8880a3c6fa80 R14: 0000000000000000 R15: ffff8880a3c6fd20 FS: 00007f513f99a700(0000) GS:ffff8880ae700000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f03564ac000 CR3: 000000009f106000 CR4: 00000000001406e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400