kasan: CONFIG_KASAN_INLINE enabled kasan: GPF could be caused by NULL-ptr deref or user memory access general protection fault: 0000 [#1] PREEMPT SMP KASAN CPU: 1 PID: 19671 Comm: syz-executor.2 Not tainted 5.0.0+ #19 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:cma_bind_listen drivers/infiniband/core/cma.c:3403 [inline] RIP: 0010:rdma_listen+0x2dc/0x970 drivers/infiniband/core/cma.c:3517 Code: 8b ac 24 c8 01 00 00 31 f6 48 c7 c7 c0 d3 1c 89 e8 59 6d ff 01 48 b8 00 00 00 00 00 fc ff df 49 8d 7d 08 48 89 fa 48 c1 ea 03 <80> 3c 02 00 0f 85 d6 05 00 00 48 b8 00 00 00 00 00 fc ff df 49 8b RSP: 0018:ffff88805ef8fc30 EFLAGS: 00010202 RAX: dffffc0000000000 RBX: 0000000000000001 RCX: 0000000000000000 RDX: 0000000000000001 RSI: 0000000000000008 RDI: 0000000000000008 RBP: ffff88805ef8fc68 R08: 1ffffffff1239a78 R09: fffffbfff1239a79 R10: ffff88805ef8fc20 R11: ffffffff891cd3c7 R12: ffff8880934ecb40 R13: 0000000000000000 R14: 0000000000000400 R15: 0000000000000007 FS: 00007f7e0ba11700(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00000000004cdeb0 CR3: 0000000099b01000 CR4: 00000000001406e0 Call Trace: ucma_listen+0x14d/0x1c0 drivers/infiniband/core/ucma.c:1100 ucma_write+0x2da/0x3c0 drivers/infiniband/core/ucma.c:1696 __vfs_write+0x8d/0x110 fs/read_write.c:485 vfs_write+0x20c/0x580 fs/read_write.c:549 ksys_write+0xea/0x1f0 fs/read_write.c:598 __do_sys_write fs/read_write.c:610 [inline] __se_sys_write fs/read_write.c:607 [inline] __x64_sys_write+0x73/0xb0 fs/read_write.c:607 do_syscall_64+0x103/0x610 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x457f29 Code: ad b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:00007f7e0ba10c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000457f29 RDX: 0000000000000010 RSI: 00000000200001c0 RDI: 0000000000000004 RBP: 000000000073bfa0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007f7e0ba116d4 R13: 00000000004c71d9 R14: 00000000004dcc90 R15: 00000000ffffffff Modules linked in: ---[ end trace 366eeb83edd674d8 ]--- RIP: 0010:cma_bind_listen drivers/infiniband/core/cma.c:3403 [inline] RIP: 0010:rdma_listen+0x2dc/0x970 drivers/infiniband/core/cma.c:3517 Code: 8b ac 24 c8 01 00 00 31 f6 48 c7 c7 c0 d3 1c 89 e8 59 6d ff 01 48 b8 00 00 00 00 00 fc ff df 49 8d 7d 08 48 89 fa 48 c1 ea 03 <80> 3c 02 00 0f 85 d6 05 00 00 48 b8 00 00 00 00 00 fc ff df 49 8b RSP: 0018:ffff88805ef8fc30 EFLAGS: 00010202 RAX: dffffc0000000000 RBX: 0000000000000001 RCX: 0000000000000000 RDX: 0000000000000001 RSI: 0000000000000008 RDI: 0000000000000008 RBP: ffff88805ef8fc68 R08: 1ffffffff1239a78 R09: fffffbfff1239a79 R10: ffff88805ef8fc20 R11: ffffffff891cd3c7 R12: ffff8880934ecb40 R13: 0000000000000000 R14: 0000000000000400 R15: 0000000000000007 FS: 00007f7e0ba11700(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fffb7bc79b0 CR3: 0000000099b01000 CR4: 00000000001406f0