IPVS: ftp: loaded support on port[0] = 21 IPVS: ftp: loaded support on port[0] = 21 IPVS: ftp: loaded support on port[0] = 21 kasan: CONFIG_KASAN_INLINE enabled kasan: GPF could be caused by NULL-ptr deref or user memory access general protection fault: 0000 [#1] SMP KASAN Dumping ftrace buffer: (ftrace buffer empty) Modules linked in: CPU: 1 PID: 6368 Comm: syz-executor6 Not tainted 4.16.0-rc5+ #261 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:rdma_reject+0x37/0x220 drivers/infiniband/core/cma.c:3851 RSP: 0018:ffff8801b5be78a8 EFLAGS: 00010206 RAX: dffffc0000000000 RBX: 1ffff10036b7cf1f RCX: ffffffff841bceff RDX: 0000000000000078 RSI: ffff8801b5be7920 RDI: 00000000000003c0 RBP: ffff8801b5be78d8 R08: 0000000000000000 R09: 0000000000000000 R10: ffffffff886133c0 R11: 0000000000000000 R12: 0000000000000000 R13: ffff8801b5be7a58 R14: ffff8801b5be7920 R15: 0000000000000000 FS: 0000000000000000(0000) GS:ffff8801db300000(0063) knlGS:00000000f7fabb40 CS: 0010 DS: 002b ES: 002b CR0: 0000000080050033 CR2: 000000000813b029 CR3: 00000001bfe35003 CR4: 00000000001606e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: ucma_reject+0x149/0x220 drivers/infiniband/core/ucma.c:1112 ucma_write+0x2d6/0x3d0 drivers/infiniband/core/ucma.c:1633 __vfs_write+0xef/0x970 fs/read_write.c:480 vfs_write+0x189/0x510 fs/read_write.c:544 SYSC_write fs/read_write.c:589 [inline] SyS_write+0xef/0x220 fs/read_write.c:581 do_syscall_32_irqs_on arch/x86/entry/common.c:330 [inline] do_fast_syscall_32+0x3ec/0xf9f arch/x86/entry/common.c:392 entry_SYSENTER_compat+0x70/0x7f arch/x86/entry/entry_64_compat.S:139 RIP: 0023:0xf7fd0c99 RSP: 002b:00000000f7fab09c EFLAGS: 00000286 ORIG_RAX: 0000000000000004 RAX: ffffffffffffffda RBX: 0000000000000008 RCX: 00000000200001c0 RDX: 0000000000000008 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 Code: 49 89 ff 53 41 89 d4 49 89 f6 48 83 ec 08 e8 a1 48 55 fd 49 8d bf c0 03 00 00 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 <80> 3c 02 00 0f 85 a0 01 00 00 4d 8b af c0 03 00 00 4d 85 ed 0f RIP: rdma_reject+0x37/0x220 drivers/infiniband/core/cma.c:3851 RSP: ffff8801b5be78a8 ---[ end trace 300438edab445b5c ]--- Kernel panic - not syncing: Fatal exception Dumping ftrace buffer: (ftrace buffer empty) Kernel Offset: disabled Rebooting in 86400 seconds..