IPVS: ftp: loaded support on port[0] = 21 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: 'queues' (000000004602fd93): kobject_add_internal: parent: 'lo', set: '' CPU: 1 PID: 8762 Comm: syz-executor1 Not tainted 4.19.0-rc4-next-20180921+ #77 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:__fire_sched_in_preempt_notifiers kernel/sched/core.c:2486 [inline] RIP: 0010:fire_sched_in_preempt_notifiers kernel/sched/core.c:2492 [inline] RIP: 0010:finish_task_switch+0x3a4/0x900 kernel/sched/core.c:2684 Code: 3d 04 00 00 4d 8b bc 24 50 03 00 00 4d 85 ff 0f 84 ab fe ff ff 49 bc 00 00 00 00 00 fc ff df 49 8d 7f 10 48 89 f9 48 c1 e9 03 <42> 80 3c 21 00 0f 85 da 03 00 00 49 8b 4f 10 48 89 ce 48 c1 ee 03 kobject: 'queues' (000000004602fd93): kobject_uevent_env RSP: 0018:ffff88018e78f0b0 EFLAGS: 00010a06 RAX: 0000000000000000 RBX: ffff8801dad2cc40 RCX: 1bd5a00000000022 RDX: 000000000000a597 RSI: ffffffff810f018e RDI: dead000000000110 RBP: ffff88018e78f198 R08: ffff88018d382140 R09: fffff52000382c46 R10: fffff52000382c46 R11: ffffc90001c16237 R12: dffffc0000000000 R13: ffff88018e994000 R14: 0000000000000000 R15: dead000000000100 kobject: 'queues' (000000004602fd93): kobject_uevent_env: filter function caused the event to drop! FS: 00007f3bdcc24700(0000) GS:ffff8801dad00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f3bdcbe1db8 CR3: 00000001bb6cc000 CR4: 00000000001426e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: kobject: 'rx-0' (000000008870133e): kobject_add_internal: parent: 'queues', set: 'queues' kobject: 'kvm' (00000000476f7fae): kobject_uevent_env kobject: 'kvm' (00000000476f7fae): fill_kobj_path: path = '/devices/virtual/misc/kvm' context_switch kernel/sched/core.c:2833 [inline] __schedule+0x874/0x1ed0 kernel/sched/core.c:3479 kobject: 'rx-0' (000000008870133e): kobject_uevent_env kobject: 'rx-0' (000000008870133e): fill_kobj_path: path = '/devices/virtual/net/lo/queues/rx-0' schedule+0xfe/0x460 kernel/sched/core.c:3523 freezable_schedule include/linux/freezer.h:172 [inline] futex_wait_queue_me+0x3f9/0x840 kernel/futex.c:2530 futex_wait+0x45c/0xa50 kernel/futex.c:2645 do_futex+0x31a/0x26d0 kernel/futex.c:3528 __do_sys_futex kernel/futex.c:3589 [inline] __se_sys_futex kernel/futex.c:3557 [inline] __x64_sys_futex+0x472/0x6a0 kernel/futex.c:3557 do_syscall_64+0x1b9/0x820 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x457679 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:00007f3bdcc23cf8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca RAX: ffffffffffffffda RBX: 000000000072bf08 RCX: 0000000000457679 RDX: 0000000000000000 RSI: 0000000000000080 RDI: 000000000072bf08 RBP: 000000000072bf00 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 000000000072bf0c R13: 00007ffdafd63f4f R14: 00007f3bdcc249c0 R15: 0000000000000000 Modules linked in: ---[ end trace c5bc3fac1d4c3c56 ]--- kobject: 'tx-0' (0000000020d92e4e): kobject_add_internal: parent: 'queues', set: 'queues' RIP: 0010:__fire_sched_in_preempt_notifiers kernel/sched/core.c:2486 [inline] RIP: 0010:fire_sched_in_preempt_notifiers kernel/sched/core.c:2492 [inline] RIP: 0010:finish_task_switch+0x3a4/0x900 kernel/sched/core.c:2684 Code: 3d 04 00 00 4d 8b bc 24 50 03 00 00 4d 85 ff 0f 84 ab fe ff ff 49 bc 00 00 00 00 00 fc ff df 49 8d 7f 10 48 89 f9 48 c1 e9 03 <42> 80 3c 21 00 0f 85 da 03 00 00 49 8b 4f 10 48 89 ce 48 c1 ee 03 kobject: 'tx-0' (0000000020d92e4e): kobject_uevent_env RSP: 0018:ffff88018e78f0b0 EFLAGS: 00010a06 RAX: 0000000000000000 RBX: ffff8801dad2cc40 RCX: 1bd5a00000000022 RDX: 000000000000a597 RSI: ffffffff810f018e RDI: dead000000000110 RBP: ffff88018e78f198 R08: ffff88018d382140 R09: fffff52000382c46 R10: fffff52000382c46 R11: ffffc90001c16237 R12: dffffc0000000000 R13: ffff88018e994000 R14: 0000000000000000 R15: dead000000000100 FS: 00007f3bdcc24700(0000) GS:ffff8801dad00000(0000) knlGS:0000000000000000 kobject: 'tx-0' (0000000020d92e4e): fill_kobj_path: path = '/devices/virtual/net/lo/queues/tx-0' CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f3bdcbe1db8 CR3: 00000001bb6cc000 CR4: 00000000001426e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400