INIT: Entering runlevel: 2 [info] Using makefile-style concurrent boot in runlevel 2. [....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c. Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added 'ci-upstream-kasan-gce-0,10.128.15.216' (ECDSA) to the list of known hosts. net.ipv6.conf.syz0.accept_dad = 0 net.ipv6.conf.syz0.router_solicitations = 0 executing program syzkaller login: [ 33.139256] kasan: CONFIG_KASAN_INLINE enabled [ 33.139968] kasan: GPF could be caused by NULL-ptr deref or user memory access [ 33.141240] general protection fault: 0000 [#1] SMP KASAN [ 33.141683] RDS: rds_bind could not find a transport for 224.0.0.2, load rds_tcp or rds_rdma? [ 33.143101] Dumping ftrace buffer: [ 33.143574] (ftrace buffer empty) [ 33.144069] Modules linked in: [ 33.144517] CPU: 1 PID: 3078 Comm: syzkaller719569 Not tainted 4.14.0+ #189 [ 33.145448] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 33.146665] task: ffff8801cbbda580 task.stack: ffff8801cb8d0000 [ 33.147466] RIP: 0010:__rds_rdma_map+0x133/0x1050 [ 33.148104] RSP: 0018:ffff8801cb8d7a28 EFLAGS: 00010206 [ 33.148813] RAX: dffffc0000000000 RBX: ffff8801cb8d7bd0 RCX: ffffffff84c0b20d [ 33.149781] RDX: 0000000000000018 RSI: ffff8801cb8d7bd0 RDI: 00000000000000c0 [ 33.150732] RBP: ffff8801cb8d7b90 R08: ffffed003971af96 R09: ffffed003971af96 [ 33.151683] R10: 0000000000000000 R11: ffffed003971af95 R12: 0000000000000000 [ 33.152633] R13: ffff8801cb407480 R14: 0000000000000000 R15: ffff8801cb407480 [ 33.153584] FS: 00007fb0be5a3700(0000) GS:ffff8801db500000(0000) knlGS:0000000000000000 [ 33.154658] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 33.155433] CR2: 00007fb0be5a2e78 CR3: 00000001cfc07000 CR4: 00000000001406e0 [ 33.156391] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 33.157355] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 33.158304] Call Trace: [ 33.158663] ? lock_release+0xda0/0xda0 [ 33.159196] ? rds_pin_pages+0x300/0x300 [ 33.162179] ? lock_release+0xda0/0xda0 [ 33.166119] ? __might_sleep+0x95/0x190 [ 33.170064] ? kasan_check_write+0x14/0x20 [ 33.174262] ? _copy_from_user+0x99/0x110 [ 33.178374] rds_get_mr_for_dest+0x1bb/0x290 [ 33.182746] ? rds_get_mr+0xf0/0xf0 [ 33.186354] rds_setsockopt+0x6b9/0x970 [ 33.190290] ? rds_setsockopt+0x6b9/0x970 [ 33.194402] ? selinux_netlbl_socket_setsockopt+0x10c/0x460 [ 33.200076] ? rds_getsockopt+0x280/0x280 [ 33.204199] ? lock_release+0xda0/0xda0 [ 33.208145] ? selinux_socket_setsockopt+0x64/0x80 [ 33.213045] ? security_socket_setsockopt+0x89/0xb0 [ 33.218036] SyS_setsockopt+0x189/0x360 [ 33.221974] ? SyS_recv+0x40/0x40 [ 33.225393] ? entry_SYSCALL_64_fastpath+0x5/0x96 [ 33.230201] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 33.235183] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 33.239903] entry_SYSCALL_64_fastpath+0x1f/0x96 [ 33.244621] RIP: 0033:0x44a789 [ 33.247774] RSP: 002b:00007fb0be5a2dc8 EFLAGS: 00000202 ORIG_RAX: 0000000000000036 [ 33.255443] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 000000000044a789 [ 33.262678] RDX: 0000000000000007 RSI: 0000400000000114 RDI: 0000000000000004 [ 33.269911] RBP: 0000000000000086 R08: 00000000000000a0 R09: 00007fb0be5a3700 [ 33.277145] R10: 0000000020000ffc R11: 0000000000000202 R12: 0000000000000000 [ 33.284377] R13: 00000000007efe3f R14: 00007fb0be5a39c0 R15: 0000000000000000 [ 33.291620] Code: 57 0d 00 00 48 8b 85 f0 fe ff ff 4c 8b a0 c0 04 00 00 48 b8 00 00 00 00 00 fc ff df 49 8d bc 24 c0 00 00 00 48 89 fa 48 c1 ea 03 <80> 3c 02 00 0f 85 6a 0e 00 00 49 83 bc 24 c0 00 00 00 00 0f 84 [ 33.310681] RIP: __rds_rdma_map+0x133/0x1050 RSP: ffff8801cb8d7a28 [ 33.317040] ---[ end trace 5e0e31770c7b70a7 ]--- [ 33.321939] Kernel panic - not syncing: Fatal exception [ 33.327778] Dumping ftrace buffer: [ 33.331280] (ftrace buffer empty) [ 33.334958] Kernel Offset: disabled [ 33.338550] Rebooting in 86400 seconds..