kernel msg: ebtables bug: please report to author: nentries does not equal the nr of entries in the chain SELinux: unrecognized netlink message: protocol=0 nlmsg_type=30255 sclass=netlink_route_socket pig=6561 comm=syz-executor2 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: 0 PID: 6564 Comm: syz-executor5 Not tainted 4.16.0-rc6+ #273 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:rdma_cap_ib_cm include/rdma/ib_verbs.h:2661 [inline] RIP: 0010:rdma_init_qp_attr+0x8b/0x720 drivers/infiniband/core/cma.c:1025 RSP: 0018:ffff8801aba9f7f0 EFLAGS: 00010202 RAX: dffffc0000000000 RBX: ffff8801d48efb00 RCX: ffffffff841bbf8f RDX: 0000000000000029 RSI: ffffc90004792000 RDI: 0000000000000148 RBP: ffff8801aba9f830 R08: ffffed0035753f44 R09: ffff8801aba9f97c R10: 0000000000000000 R11: ffffed0035753f43 R12: ffff8801aba9f978 R13: ffff8801aba9f8b8 R14: 0000000000000000 R15: ffff8801aba9f878 FS: 0000000000000000(0000) GS:ffff8801db200000(0063) knlGS:00000000f7781b40 CS: 0010 DS: 002b ES: 002b CR0: 0000000080050033 CR2: 000000009bc22000 CR3: 00000001d4f59003 CR4: 00000000001606f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: ucma_init_qp_attr+0x251/0x440 drivers/infiniband/core/ucma.c:1172 ucma_write+0x2d6/0x3d0 drivers/infiniband/core/ucma.c:1649 __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: 0023:0xf7f85c99 RSP: 002b:00000000f778109c EFLAGS: 00000286 ORIG_RAX: 0000000000000004 RAX: ffffffffffffffda RBX: 0000000000000013 RCX: 0000000020000f40 RDX: 0000000000000018 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 Code: 00 00 00 fc ff df 80 3c 02 00 0f 85 8c 06 00 00 4c 8b 33 48 b8 00 00 00 00 00 fc ff df 49 8d be 48 01 00 00 48 89 fa 48 c1 ea 03 <80> 3c 02 00 0f 85 5d 06 00 00 44 0f b6 7d d4 48 b8 00 00 00 00 RIP: rdma_cap_ib_cm include/rdma/ib_verbs.h:2661 [inline] RSP: ffff8801aba9f7f0 RIP: rdma_init_qp_attr+0x8b/0x720 drivers/infiniband/core/cma.c:1025 RSP: ffff8801aba9f7f0 ---[ end trace 2fdbc68f40f139df ]--- Kernel panic - not syncing: Fatal exception Dumping ftrace buffer: (ftrace buffer empty) Kernel Offset: disabled Rebooting in 86400 seconds..