------------[ cut here ]------------ kernel BUG at net/rxrpc/recvmsg.c:605! invalid opcode: 0000 [#1] PREEMPT SMP KASAN CPU: 0 PID: 11112 Comm: syz-executor.0 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+0x161a/0x1660 net/rxrpc/recvmsg.c:605 Code: 4c 24 70 80 e1 04 80 c9 03 38 c1 0f 8c 44 fb ff ff 48 8d 7c 24 70 e8 f5 f2 37 fa e9 35 fb ff ff e8 8b e3 a0 00 e8 96 f3 f8 f9 <0f> 0b e8 8f f3 f8 f9 48 b8 00 00 00 00 00 fc ff df 48 8b 4c 24 30 RSP: 0018:ffffc90001b27ba0 EFLAGS: 00010287 RAX: ffffffff877b887a RBX: 0000000000000001 RCX: 0000000000040000 RDX: ffffc90001b69000 RSI: 0000000000000098 RDI: 0000000000000099 RBP: ffff8880995c6ec8 R08: ffffffff877b7984 R09: ffffed10128acc65 R10: ffffed10128acc65 R11: 0000000000000000 R12: dffffc0000000000 R13: ffff888094566320 R14: ffff888094566278 R15: ffffc90001b27dc8 FS: 00007f5d98677700(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007ffef4510aa0 CR3: 0000000092e8e000 CR4: 00000000001426f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: ____sys_recvmsg+0x24a/0x510 include/linux/uio.h:235 ___sys_recvmsg net/socket.c:2617 [inline] __sys_recvmsg+0x23b/0x7e0 net/socket.c:2651 do_syscall_64+0x73/0xe0 arch/x86/entry/common.c:359 entry_SYSCALL_64_after_hwframe+0x44/0xa9 RIP: 0033:0x45cb29 Code: Bad RIP value. RSP: 002b:00007f5d98676c78 EFLAGS: 00000246 ORIG_RAX: 000000000000002f RAX: ffffffffffffffda RBX: 00000000004fc8e0 RCX: 000000000045cb29 RDX: 0000000000010000 RSI: 0000000020000040 RDI: 0000000000000006 RBP: 000000000078bfa0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff R13: 00000000000008c9 R14: 00000000004cbb40 R15: 00007f5d986776d4 Modules linked in: ---[ end trace 3ad99db00e665acb ]--- RIP: 0010:rxrpc_recvmsg+0x161a/0x1660 net/rxrpc/recvmsg.c:605 Code: 4c 24 70 80 e1 04 80 c9 03 38 c1 0f 8c 44 fb ff ff 48 8d 7c 24 70 e8 f5 f2 37 fa e9 35 fb ff ff e8 8b e3 a0 00 e8 96 f3 f8 f9 <0f> 0b e8 8f f3 f8 f9 48 b8 00 00 00 00 00 fc ff df 48 8b 4c 24 30 RSP: 0018:ffffc90001b27ba0 EFLAGS: 00010287 RAX: ffffffff877b887a RBX: 0000000000000001 RCX: 0000000000040000 RDX: ffffc90001b69000 RSI: 0000000000000098 RDI: 0000000000000099 RBP: ffff8880995c6ec8 R08: ffffffff877b7984 R09: ffffed10128acc65 R10: ffffed10128acc65 R11: 0000000000000000 R12: dffffc0000000000 R13: ffff888094566320 R14: ffff888094566278 R15: ffffc90001b27dc8 FS: 00007f5d98677700(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000000043e360 CR3: 0000000092e8e000 CR4: 00000000001406e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400