kasan: CONFIG_KASAN_INLINE enabled IPVS: ftp: loaded support on port[0] = 21 kasan: GPF could be caused by NULL-ptr deref or user memory access general protection fault: 0000 [#1] PREEMPT SMP KASAN kobject: 'queues' (000000001e1a7c26): kobject_uevent_env CPU: 0 PID: 18556 Comm: syz-executor5 Not tainted 4.19.0-rc6+ #272 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:strlen+0x1f/0xa0 lib/string.c:479 Code: ff ff ff 0f 1f 84 00 00 00 00 00 48 b8 00 00 00 00 00 fc ff df 55 48 89 fa 48 89 e5 48 c1 ea 03 41 54 49 89 fc 53 48 83 ec 08 <0f> b6 04 02 48 89 fa 83 e2 07 38 d0 7f 04 84 c0 75 4d 41 80 3c 24 RSP: 0018:ffff8801c123f9b0 EFLAGS: 00010282 RAX: dffffc0000000000 RBX: 0000000000000001 RCX: ffffc9000c4e1000 RDX: 0000000000000000 RSI: ffffffff81d2cccc RDI: 0000000000000000 RBP: ffff8801c123f9c8 R08: ffff88018311a280 R09: ffffed0039aa8200 R10: fffff94000e6aa0e R11: ffffea0007355077 R12: 0000000000000000 R13: 0000000000000000 R14: ffffffff89f3ee98 R15: 0000000000000000 FS: 00007f46aae7e700(0000) GS:ffff8801dae00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 kobject: 'queues' (000000001e1a7c26): kobject_uevent_env: filter function caused the event to drop! CR2: 0000000000706158 CR3: 00000001c2be7000 CR4: 00000000001406f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: strlen include/linux/string.h:267 [inline] getname_kernel+0x24/0x370 fs/namei.c:218 kern_path+0x1e/0x40 fs/namei.c:2434 kobject: 'rx-0' (0000000017f2bfc8): kobject_add_internal: parent: 'queues', set: 'queues' gfs2_mount_meta+0x85/0x2a0 fs/gfs2/ops_fstype.c:1336 kobject: 'rx-0' (0000000017f2bfc8): kobject_uevent_env mount_fs+0xae/0x31d fs/super.c:1261 vfs_kern_mount.part.35+0xdc/0x4f0 fs/namespace.c:961 kobject: 'rx-0' (0000000017f2bfc8): fill_kobj_path: path = '/devices/virtual/net/tunl0/queues/rx-0' vfs_kern_mount fs/namespace.c:951 [inline] do_new_mount fs/namespace.c:2457 [inline] do_mount+0x581/0x31f0 fs/namespace.c:2787 kobject: 'tx-0' (000000001f831f2b): kobject_add_internal: parent: 'queues', set: 'queues' kobject: 'tx-0' (000000001f831f2b): kobject_uevent_env kobject: 'tx-0' (000000001f831f2b): fill_kobj_path: path = '/devices/virtual/net/tunl0/queues/tx-0' ksys_mount+0x12d/0x140 fs/namespace.c:3003 __do_sys_mount fs/namespace.c:3017 [inline] __se_sys_mount fs/namespace.c:3014 [inline] __x64_sys_mount+0xbe/0x150 fs/namespace.c:3014 do_syscall_64+0x1b9/0x820 arch/x86/entry/common.c:290 kobject: 'ip_vti0' (00000000c97904ed): kobject_cleanup, parent (null) kobject: 'gre0' (00000000ab24a44c): kobject_add_internal: parent: 'net', set: 'devices' kobject: 'gre0' (00000000ab24a44c): kobject_uevent_env kobject: 'loop1' (00000000dcf7956b): kobject_uevent_env entry_SYSCALL_64_after_hwframe+0x49/0xbe kobject: 'loop1' (00000000dcf7956b): fill_kobj_path: path = '/devices/virtual/block/loop1' RIP: 0033:0x457579 Code: 1d b4 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 eb b3 fb ff c3 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:00007f46aae7dc78 EFLAGS: 00000246 kobject: 'ip_vti0' (00000000c97904ed): auto cleanup 'remove' event ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 0000000000457579 RDX: 0000000020000080 RSI: 00000000200000c0 RDI: 0000000000000000 RBP: 000000000072bf00 R08: 00000000200004c0 R09: 0000000000000000 kobject: 'ip_vti0' (00000000c97904ed): kobject_uevent_env R10: 0000000000000000 R11: 0000000000000246 R12: 00007f46aae7e6d4 R13: 00000000004c28af R14: 00000000004d3c78 R15: 00000000ffffffff Modules linked in: kobject: 'gre0' (00000000ab24a44c): fill_kobj_path: path = '/devices/virtual/net/gre0' ---[ end trace 496099622de5e8c1 ]--- kobject: 'ip_vti0' (00000000c97904ed): kobject_uevent_env: uevent_suppress caused the event to drop! RIP: 0010:strlen+0x1f/0xa0 lib/string.c:479 kobject: 'ip_vti0' (00000000c97904ed): calling ktype release Code: ff ff ff 0f 1f 84 00 00 00 00 00 48 b8 00 00 00 00 00 fc ff df 55 48 89 fa 48 89 e5 48 c1 ea 03 41 54 49 89 fc 53 48 83 ec 08 <0f> b6 04 02 48 89 fa 83 e2 07 38 d0 7f 04 84 c0 75 4d 41 80 3c 24 kobject: 'ip_vti0': free name RSP: 0018:ffff8801c123f9b0 EFLAGS: 00010282 kobject: 'queues' (0000000026d36be8): kobject_add_internal: parent: 'gre0', set: '' kobject: 'queues' (0000000026d36be8): kobject_uevent_env RAX: dffffc0000000000 RBX: 0000000000000001 RCX: ffffc9000c4e1000 kobject: 'queues' (0000000026d36be8): kobject_uevent_env: filter function caused the event to drop! RDX: 0000000000000000 RSI: ffffffff81d2cccc RDI: 0000000000000000 RBP: ffff8801c123f9c8 R08: ffff88018311a280 R09: ffffed0039aa8200 kobject: 'rx-0' (00000000d509d29a): kobject_add_internal: parent: 'queues', set: 'queues' R10: fffff94000e6aa0e R11: ffffea0007355077 R12: 0000000000000000 kobject: 'rx-0' (00000000d509d29a): kobject_uevent_env R13: 0000000000000000 R14: ffffffff89f3ee98 R15: 0000000000000000 kobject: 'rx-0' (00000000d509d29a): fill_kobj_path: path = '/devices/virtual/net/gre0/queues/rx-0' FS: 00007f46aae7e700(0000) GS:ffff8801dae00000(0000) knlGS:0000000000000000 kobject: 'tx-0' (00000000d975a39e): kobject_add_internal: parent: 'queues', set: 'queues' CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 kobject: 'tx-0' (00000000d975a39e): kobject_uevent_env CR2: 00007fff6c6bac60 CR3: 00000001c2be7000 CR4: 00000000001406f0 kobject: 'tx-0' (00000000d975a39e): fill_kobj_path: path = '/devices/virtual/net/gre0/queues/tx-0' DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 kobject: 'gretap0' (00000000e74b2b3c): kobject_add_internal: parent: 'net', set: 'devices' kobject: 'loop4' (00000000719b6b85): kobject_uevent_env kobject: 'gretap0' (00000000e74b2b3c): kobject_uevent_env kobject: 'loop4' (00000000719b6b85): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'gretap0' (00000000e74b2b3c): fill_kobj_path: path = '/devices/virtual/net/gretap0' DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 kobject: 'queues' (0000000088410c46): kobject_add_internal: parent: 'gretap0', set: ''