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 kobject: 'loop4' (00000000abdfe990): kobject_uevent_env CPU: 0 PID: 12315 Comm: syz-executor.2 Not tainted 5.0.0-rc6 #67 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 kobject: 'loop4' (00000000abdfe990): fill_kobj_path: path = '/devices/virtual/block/loop4' 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 00 43 1c 89 e8 b6 49 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:ffff8880476d7b10 EFLAGS: 00010202 RAX: dffffc0000000000 RBX: 0000000000000001 RCX: 0000000000000000 kobject: 'sit0' (00000000d153c9e1): kobject_add_internal: parent: 'net', set: 'devices' RDX: 0000000000000001 RSI: 0000000000000008 RDI: 0000000000000008 RBP: ffff8880476d7b48 R08: 1ffffffff1238860 R09: fffffbfff1238861 R10: ffff8880476d7b00 R11: ffffffff891c4307 R12: ffff88808e0140c0 R13: 0000000000000000 R14: 0000000000000400 R15: 0000000000000007 FS: 00007f804e87c700(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000000073c000 CR3: 000000003613f000 CR4: 00000000001406f0 kobject: 'sit0' (00000000d153c9e1): kobject_uevent_env Call Trace: ucma_listen+0x14d/0x1c0 drivers/infiniband/core/ucma.c:1100 kobject: 'sit0' (00000000d153c9e1): fill_kobj_path: path = '/devices/virtual/net/sit0' ucma_write+0x2da/0x3c0 drivers/infiniband/core/ucma.c:1689 kobject: 'queues' (0000000074c13b23): kobject_add_internal: parent: 'sit0', set: '' kobject: 'queues' (0000000074c13b23): kobject_uevent_env __vfs_write+0x116/0x8e0 fs/read_write.c:485 kobject: 'queues' (0000000074c13b23): kobject_uevent_env: filter function caused the event to drop! kobject: 'rx-0' (00000000c7004f22): kobject_add_internal: parent: 'queues', set: 'queues' kobject: 'rx-0' (00000000c7004f22): kobject_uevent_env vfs_write+0x20c/0x580 fs/read_write.c:549 kobject: 'rx-0' (00000000c7004f22): fill_kobj_path: path = '/devices/virtual/net/sit0/queues/rx-0' ksys_write+0xea/0x1f0 fs/read_write.c:598 kobject: 'tx-0' (00000000ae51900c): kobject_add_internal: parent: 'queues', set: 'queues' kobject: 'tx-0' (00000000ae51900c): kobject_uevent_env __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 kobject: 'tx-0' (00000000ae51900c): fill_kobj_path: path = '/devices/virtual/net/sit0/queues/tx-0' do_syscall_64+0x103/0x610 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x49/0xbe kobject: 'ip6tnl0' (000000008320ff84): kobject_add_internal: parent: 'net', set: 'devices' RIP: 0033:0x457e39 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:00007f804e87bc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 kobject: 'ip6tnl0' (000000008320ff84): kobject_uevent_env RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000457e39 RDX: 00000000ffffff3a RSI: 00000000200001c0 RDI: 0000000000000004 RBP: 000000000073bfa0 R08: 0000000000000000 R09: 0000000000000000 kobject: 'ip6tnl0' (000000008320ff84): fill_kobj_path: path = '/devices/virtual/net/ip6tnl0' R10: 0000000000000000 R11: 0000000000000246 R12: 00007f804e87c6d4 R13: 00000000004c7064 R14: 00000000004dca18 R15: 00000000ffffffff Modules linked in: kobject: 'queues' (00000000e6556512): kobject_add_internal: parent: 'ip6tnl0', set: '' protocol 88fb is buggy, dev hsr_slave_0 kobject: 'loop0' (000000006a601eaf): kobject_uevent_env protocol 88fb is buggy, dev hsr_slave_1 kobject: 'queues' (00000000e6556512): kobject_uevent_env kobject: 'loop0' (000000006a601eaf): fill_kobj_path: path = '/devices/virtual/block/loop0' ---[ end trace bb792d1346b96970 ]--- kobject: 'queues' (00000000e6556512): kobject_uevent_env: filter function caused the event to drop! 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: 'rx-0' (00000000fbd68003): kobject_add_internal: parent: 'queues', set: 'queues' kobject: 'rx-0' (00000000fbd68003): kobject_uevent_env kobject: 'rx-0' (00000000fbd68003): fill_kobj_path: path = '/devices/virtual/net/ip6tnl0/queues/rx-0' kobject: 'tx-0' (00000000eb089694): kobject_add_internal: parent: 'queues', set: 'queues' Code: 8b ac 24 c8 01 00 00 31 f6 48 c7 c7 00 43 1c 89 e8 b6 49 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: 'loop1' (00000000c083ac64): kobject_uevent_env kobject: 'tx-0' (00000000eb089694): kobject_uevent_env kobject: 'loop1' (00000000c083ac64): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'tx-0' (00000000eb089694): fill_kobj_path: path = '/devices/virtual/net/ip6tnl0/queues/tx-0' RSP: 0018:ffff8880476d7b10 EFLAGS: 00010202 RAX: dffffc0000000000 RBX: 0000000000000001 RCX: 0000000000000000 RDX: 0000000000000001 RSI: 0000000000000008 RDI: 0000000000000008 RBP: ffff8880476d7b48 R08: 1ffffffff1238860 R09: fffffbfff1238861 kobject: 'ip6gre0' (00000000711af3ab): kobject_add_internal: parent: 'net', set: 'devices' R10: ffff8880476d7b00 R11: ffffffff891c4307 R12: ffff88808e0140c0 R13: 0000000000000000 R14: 0000000000000400 R15: 0000000000000007 kobject: 'loop0' (000000006a601eaf): kobject_uevent_env FS: 00007f804e87c700(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000 kobject: 'loop0' (000000006a601eaf): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'ip6gre0' (00000000711af3ab): kobject_uevent_env CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 kobject: 'ip6gre0' (00000000711af3ab): fill_kobj_path: path = '/devices/virtual/net/ip6gre0' CR2: 000000000070a158 CR3: 000000003613f000 CR4: 00000000001406e0