general protection fault: 0000 [#1] PREEMPT SMP KASAN
CPU: 1 PID: 21642 Comm: syz-executor.4 Not tainted 5.0.0-rc8+ #88
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 40 44 1c 89 e8 66 6f 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:ffff88821ae3fb10 EFLAGS: 00010202
RAX: dffffc0000000000 RBX: 0000000000000001 RCX: 0000000000000000
RDX: 0000000000000001 RSI: 0000000000000008 RDI: 0000000000000008
RBP: ffff88821ae3fb48 R08: 1ffffffff1238888 R09: fffffbfff1238889
R10: ffff88821ae3fb00 R11: ffffffff891c4447 R12: ffff88808503ae00
R13: 0000000000000000 R14: 0000000000000400 R15: 0000000000000007
FS:  00007f1497d71700(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000733138 CR3: 0000000219937000 CR4: 00000000001406e0
Call Trace:
 ucma_listen+0x14d/0x1c0 drivers/infiniband/core/ucma.c:1100
 ucma_write+0x2da/0x3c0 drivers/infiniband/core/ucma.c:1689
 __vfs_write+0x116/0x8e0 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: 0033:0x457e29
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:00007f1497d70c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000457e29
RDX: 00000000fffffdac RSI: 00000000200001c0 RDI: 0000000000000004
RBP: 000000000073c040 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007f1497d716d4
R13: 00000000004c70d9 R14: 00000000004dcb90 R15: 00000000ffffffff
Modules linked in:
---[ end trace cbc63d26e16ae87f ]---
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: 'loop0' (000000009b6c7d64): kobject_uevent_env
kobject: 'loop0' (000000009b6c7d64): fill_kobj_path: path = '/devices/virtual/block/loop0'
Code: 8b ac 24 c8 01 00 00 31 f6 48 c7 c7 40 44 1c 89 e8 66 6f 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: 'loop5' (0000000040005a74): kobject_uevent_env
kobject: 'loop5' (0000000040005a74): fill_kobj_path: path = '/devices/virtual/block/loop5'
RSP: 0018:ffff88821ae3fb10 EFLAGS: 00010202
kobject: 'loop1' (000000003b8c37c7): kobject_uevent_env
kobject: 'loop1' (000000003b8c37c7): fill_kobj_path: path = '/devices/virtual/block/loop1'
RAX: dffffc0000000000 RBX: 0000000000000001 RCX: 0000000000000000
RDX: 0000000000000001 RSI: 0000000000000008 RDI: 0000000000000008
kobject: 'loop2' (000000008d4b4388): kobject_uevent_env
kobject: 'loop2' (000000008d4b4388): fill_kobj_path: path = '/devices/virtual/block/loop2'
RBP: ffff88821ae3fb48 R08: 1ffffffff1238888 R09: fffffbfff1238889
R10: ffff88821ae3fb00 R11: ffffffff891c4447 R12: ffff88808503ae00
R13: 0000000000000000 R14: 0000000000000400 R15: 0000000000000007
FS:  00007f1497d71700(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000001474fd0 CR3: 0000000219937000 CR4: 00000000001406f0