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: 0 PID: 1890 Comm: syz-executor.1 Not tainted 5.0.0-rc7+ #79
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:cma_bind_listen drivers/infiniband/core/cma.c:3358 [inline]
RIP: 0010:rdma_listen+0x2df/0x8e0 drivers/infiniband/core/cma.c:3472
Code: 8b ac 24 c8 01 00 00 31 f6 48 c7 c7 c0 43 1c 89 e8 b6 6b fb 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 5a 05 00 00 48 b8 00 00 00 00 00 fc ff df 49 8b
RSP: 0018:ffff8880570e7b10 EFLAGS: 00010202
RAX: dffffc0000000000 RBX: 0000000000000001 RCX: 0000000000000000
RDX: 0000000000000001 RSI: 0000000000000008 RDI: 0000000000000008
RBP: ffff8880570e7b48 R08: 1ffffffff1238878 R09: fffffbfff1238879
R10: ffff8880570e7b00 R11: ffffffff891c43c7 R12: ffff8880a4e76b40
R13: 0000000000000000 R14: 0000000000000400 R15: 0000000000000007
kobject: 'loop4' (000000006ef84e9a): kobject_uevent_env
FS:  00007f8f1f75c700(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ffd88d56050 CR3: 0000000055bfd000 CR4: 00000000001406f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
kobject: 'loop4' (000000006ef84e9a): fill_kobj_path: path = '/devices/virtual/block/loop4'
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000600
Call Trace:
 ucma_listen+0x14d/0x1c0 drivers/infiniband/core/ucma.c:1100
kobject: 'loop0' (0000000065e897fa): kobject_uevent_env
kobject: 'loop0' (0000000065e897fa): fill_kobj_path: path = '/devices/virtual/block/loop0'
 ucma_write+0x2da/0x3c0 drivers/infiniband/core/ucma.c:1689
kobject: 'loop0' (0000000065e897fa): kobject_uevent_env
 __vfs_write+0x116/0x8e0 fs/read_write.c:485
kobject: 'loop0' (0000000065e897fa): fill_kobj_path: path = '/devices/virtual/block/loop0'
 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: 0033:0x457e29
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:00007f8f1f75bc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000457e29
RDX: 0000000000000010 RSI: 0000000020000280 RDI: 0000000000000003
RBP: 000000000073c040 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007f8f1f75c6d4
R13: 00000000004c706e R14: 00000000004dca78 R15: 00000000ffffffff
Modules linked in:
---[ end trace b37603bd652a422b ]---
RIP: 0010:cma_bind_listen drivers/infiniband/core/cma.c:3358 [inline]
RIP: 0010:rdma_listen+0x2df/0x8e0 drivers/infiniband/core/cma.c:3472
kobject: 'loop2' (000000006aba012c): kobject_uevent_env
Code: 8b ac 24 c8 01 00 00 31 f6 48 c7 c7 c0 43 1c 89 e8 b6 6b fb 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 5a 05 00 00 48 b8 00 00 00 00 00 fc ff df 49 8b
kobject: 'loop2' (000000006aba012c): fill_kobj_path: path = '/devices/virtual/block/loop2'
RSP: 0018:ffff8880570e7b10 EFLAGS: 00010202
RAX: dffffc0000000000 RBX: 0000000000000001 RCX: 0000000000000000
RDX: 0000000000000001 RSI: 0000000000000008 RDI: 0000000000000008
RBP: ffff8880570e7b48 R08: 1ffffffff1238878 R09: fffffbfff1238879
R10: ffff8880570e7b00 R11: ffffffff891c43c7 R12: ffff8880a4e76b40
R13: 0000000000000000 R14: 0000000000000400 R15: 0000000000000007
FS:  00007f8f1f75c700(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000ee7258 CR3: 0000000055bfd000 CR4: 00000000001406e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400