------------[ cut here ]------------ kernel BUG at net/rxrpc/recvmsg.c:605! invalid opcode: 0000 [#1] PREEMPT SMP KASAN CPU: 1 PID: 10228 Comm: syz-executor.1 Not tainted 5.8.0-rc3-next-20200701-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 58 39 6b fa e9 eb fc ff ff e8 4e 39 6b fa e9 33 ef ff ff 48 8b 7c 24 10 e8 3f 39 6b fa e9 dc ee ff ff e8 35 a4 2b fa <0f> 0b 48 8b 7c 24 10 e8 29 39 6b fa e9 76 ee ff ff 48 89 ef e8 0c RSP: 0018:ffffc900082b7858 EFLAGS: 00010212 RAX: 000000000000011d RBX: ffff8880a7b8dc38 RCX: ffffc900043c9000 RDX: 0000000000040000 RSI: ffffffff8748473b RDI: 0000000000000001 RBP: ffff88805b566740 R08: 0000000000000000 R09: ffff8880a7b8dce7 R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000001 R13: ffff8880a7b8da40 R14: 0000000000000000 R15: ffff8880a7b8dce0 FS: 00007f35c50aa700(0000) GS:ffff8880ae700000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000558a05b10208 CR3: 0000000091166000 CR4: 00000000001506e0 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: 0033:0x45cb29 Code: Bad RIP value. RSP: 002b:00007f35c50a9c78 EFLAGS: 00000246 ORIG_RAX: 000000000000012b RAX: ffffffffffffffda RBX: 00000000004fc820 RCX: 000000000045cb29 RDX: 0000000000000001 RSI: 0000000020000100 RDI: 0000000000000004 RBP: 000000000078bfa0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff R13: 00000000000008c7 R14: 00000000004cbb2f R15: 00007f35c50aa6d4 Modules linked in: ---[ end trace 127a531386f9b2b2 ]--- RIP: 0010:rxrpc_recvmsg+0x18ab/0x1a03 net/rxrpc/recvmsg.c:605 Code: 89 e7 e8 58 39 6b fa e9 eb fc ff ff e8 4e 39 6b fa e9 33 ef ff ff 48 8b 7c 24 10 e8 3f 39 6b fa e9 dc ee ff ff e8 35 a4 2b fa <0f> 0b 48 8b 7c 24 10 e8 29 39 6b fa e9 76 ee ff ff 48 89 ef e8 0c RSP: 0018:ffffc900082b7858 EFLAGS: 00010212 RAX: 000000000000011d RBX: ffff8880a7b8dc38 RCX: ffffc900043c9000 RDX: 0000000000040000 RSI: ffffffff8748473b RDI: 0000000000000001 RBP: ffff88805b566740 R08: 0000000000000000 R09: ffff8880a7b8dce7 R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000001 R13: ffff8880a7b8da40 R14: 0000000000000000 R15: ffff8880a7b8dce0 FS: 00007f35c50aa700(0000) GS:ffff8880ae700000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b2f921000 CR3: 0000000091166000 CR4: 00000000001506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400