kasan: CONFIG_KASAN_INLINE enabled netlink: 13 bytes leftover after parsing attributes in process `syz-executor.1'. kasan: GPF could be caused by NULL-ptr deref or user memory access netlink: 13 bytes leftover after parsing attributes in process `syz-executor.1'. general protection fault: 0000 [#1] PREEMPT SMP KASAN CPU: 0 PID: 26123 Comm: syz-executor.2 Not tainted 5.0.0-rc5+ #66 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 kobject: 'loop1' (000000000e80faae): kobject_uevent_env Code: 8b ac 24 c8 01 00 00 31 f6 48 c7 c7 00 43 1c 89 e8 36 48 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:ffff8880928ffb00 EFLAGS: 00010202 kobject: 'loop1' (000000000e80faae): fill_kobj_path: path = '/devices/virtual/block/loop1' RAX: dffffc0000000000 RBX: 0000000000000001 RCX: 0000000000000000 RDX: 0000000000000001 RSI: 0000000000000008 RDI: 0000000000000008 RBP: ffff8880928ffb38 R08: 1ffffffff1238860 R09: fffffbfff1238861 R10: ffff8880928ffaf0 R11: ffffffff891c4307 R12: ffff888059bfad80 R13: 0000000000000000 R14: 0000000000000400 R15: 0000000000000007 FS: 0000000000000000(0000) GS:ffff8880ae800000(0063) knlGS:00000000f5d4ab40 netlink: 'syz-executor.3': attribute type 15 has an invalid length. CS: 0010 DS: 002b ES: 002b CR0: 0000000080050033 CR2: 000000002d724000 CR3: 0000000085b19000 CR4: 00000000001426f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 kobject: 'loop3' (000000008a41f655): kobject_uevent_env Call Trace: ucma_listen+0x14d/0x1c0 drivers/infiniband/core/ucma.c:1100 netlink: 13 bytes leftover after parsing attributes in process `syz-executor.1'. ucma_write+0x2da/0x3c0 drivers/infiniband/core/ucma.c:1689 kobject: 'loop3' (000000008a41f655): fill_kobj_path: path = '/devices/virtual/block/loop3' netlink: 'syz-executor.3': attribute type 15 has an invalid length. __vfs_write+0x116/0x8e0 fs/read_write.c:485 kobject: 'loop1' (000000000e80faae): kobject_uevent_env kobject: 'loop1' (000000000e80faae): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop3' (000000008a41f655): kobject_uevent_env vfs_write+0x20c/0x580 fs/read_write.c:549 kobject: 'loop3' (000000008a41f655): fill_kobj_path: path = '/devices/virtual/block/loop3' ksys_write+0xea/0x1f0 fs/read_write.c:598 netlink: 13 bytes leftover after parsing attributes in process `syz-executor.1'. __do_sys_write fs/read_write.c:610 [inline] __se_sys_write fs/read_write.c:607 [inline] __ia32_sys_write+0x71/0xb0 fs/read_write.c:607 do_syscall_32_irqs_on arch/x86/entry/common.c:326 [inline] do_fast_syscall_32+0x281/0xc98 arch/x86/entry/common.c:397 entry_SYSENTER_compat+0x70/0x7f arch/x86/entry/entry_64_compat.S:139 RIP: 0023:0xf7f6f869 Code: 85 d2 74 02 89 0a 5b 5d c3 8b 04 24 c3 8b 14 24 c3 8b 3c 24 c3 90 90 90 90 90 90 90 90 90 90 90 90 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 eb 0d 90 90 90 90 90 90 90 90 90 90 90 90 kobject: 'loop1' (000000000e80faae): kobject_uevent_env RSP: 002b:00000000f5d4a0cc EFLAGS: 00000296 ORIG_RAX: 0000000000000004 RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00000000200001c0 RDX: 0000000000000010 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 kobject: 'loop1' (000000000e80faae): fill_kobj_path: path = '/devices/virtual/block/loop1' R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 Modules linked in: ---[ end trace 332fa2fae4518a4e ]--- 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: 'loop5' (0000000055692492): kobject_uevent_env netlink: 13 bytes leftover after parsing attributes in process `syz-executor.1'. Code: 8b ac 24 c8 01 00 00 31 f6 48 c7 c7 00 43 1c 89 e8 36 48 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' (0000000055692492): fill_kobj_path: path = '/devices/virtual/block/loop5' netlink: 'syz-executor.3': attribute type 15 has an invalid length. kobject: 'loop1' (000000000e80faae): kobject_uevent_env kobject: 'loop1' (000000000e80faae): fill_kobj_path: path = '/devices/virtual/block/loop1' RSP: 0018:ffff8880928ffb00 EFLAGS: 00010202 RAX: dffffc0000000000 RBX: 0000000000000001 RCX: 0000000000000000 kobject: 'loop0' (000000000493143b): kobject_uevent_env netlink: 13 bytes leftover after parsing attributes in process `syz-executor.1'. RDX: 0000000000000001 RSI: 0000000000000008 RDI: 0000000000000008 kobject: 'loop0' (000000000493143b): fill_kobj_path: path = '/devices/virtual/block/loop0' RBP: ffff8880928ffb38 R08: 1ffffffff1238860 R09: fffffbfff1238861 R10: ffff8880928ffaf0 R11: ffffffff891c4307 R12: ffff888059bfad80 R13: 0000000000000000 R14: 0000000000000400 R15: 0000000000000007 kobject: 'loop3' (000000008a41f655): kobject_uevent_env FS: 0000000000000000(0000) GS:ffff8880ae800000(0063) knlGS:00000000f5d4ab40 kobject: 'loop3' (000000008a41f655): fill_kobj_path: path = '/devices/virtual/block/loop3' netlink: 'syz-executor.3': attribute type 15 has an invalid length. CS: 0010 DS: 002b ES: 002b CR0: 0000000080050033 kobject: 'loop5' (0000000055692492): kobject_uevent_env CR2: 00000000081220f0 CR3: 0000000085b19000 CR4: 00000000001426f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 kobject: 'loop5' (0000000055692492): fill_kobj_path: path = '/devices/virtual/block/loop5'