kasan: GPF could be caused by NULL-ptr deref or user memory access
general protection fault: 0000 [#1] PREEMPT SMP KASAN
kobject: 'rx-0' (ffff888090df99d0): fill_kobj_path: path = '/devices/virtual/net/nr0
/queues/rx-0'
Modules linked in:
CPU: 0 PID: 10594 Comm: syz-executor.5 Not tainted 4.14.150 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
task: ffff888097810100 task.stack: ffff888055b00000
RIP: 0010:vb2_vmalloc_put_userptr+0x6e/0x210 drivers/media/v4l2-core/videobuf2-vmalloc.c:136
RSP: 0018:ffff888055b07c18 EFLAGS: 00010202
RAX: dffffc0000000000 RBX: ffffc9000196b000 RCX: 1ffffffff0da7568
RDX: 0000000000000001 RSI: ffff88809e94f814 RDI: 0000000000000009
RBP: ffff888055b07c40 R08: dffffc0000000000 R09: ffffffff88cb2240
R10: ffff888055b07cd0 R11: ffff888097810100 R12: ffff888093fb3000
R13: 0000000000000000 R14: ffff888093fb3000 R15: ffff888093fb3008
FS:  000000000175d940(0000) GS:ffff8880aee00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000625208 CR3: 000000005b39a000 CR4: 00000000001406f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 __vb2_buf_userptr_put drivers/media/v4l2-core/videobuf2-core.c:256 [inline]
 __vb2_free_mem drivers/media/v4l2-core/videobuf2-core.c:413 [inline]
 __vb2_queue_free+0x3a8/0x7d0 drivers/media/v4l2-core/videobuf2-core.c:454
 vb2_core_queue_release+0x64/0x80 drivers/media/v4l2-core/videobuf2-core.c:2043
 vb2_queue_release drivers/media/v4l2-core/videobuf2-v4l2.c:669 [inline]
 _vb2_fop_release+0x1cf/0x2a0 drivers/media/v4l2-core/videobuf2-v4l2.c:840
 vb2_fop_release+0x75/0xc0 drivers/media/v4l2-core/videobuf2-v4l2.c:854
 vivid_fop_release+0x180/0x3f0 drivers/media/platform/vivid/vivid-core.c:486
 v4l2_release+0xf9/0x190 drivers/media/v4l2-core/v4l2-dev.c:446
 __fput+0x275/0x7a0 fs/file_table.c:210
 ____fput+0x16/0x20 fs/file_table.c:244
 task_work_run+0x114/0x190 kernel/task_work.c:113
 tracehook_notify_resume include/linux/tracehook.h:191 [inline]
 exit_to_usermode_loop+0x1da/0x220 arch/x86/entry/common.c:164
 prepare_exit_to_usermode arch/x86/entry/common.c:199 [inline]
 syscall_return_slowpath arch/x86/entry/common.c:270 [inline]
 do_syscall_64+0x4bc/0x640 arch/x86/entry/common.c:297
 entry_SYSCALL_64_after_hwframe+0x42/0xb7
RIP: 0033:0x413741
RSP: 002b:00007ffff18db860 EFLAGS: 00000293 ORIG_RAX: 0000000000000003
RAX: 0000000000000000 RBX: 0000000000000004 RCX: 0000000000413741
RDX: 0000001b2ef20000 RSI: 0000000000000000 RDI: 0000000000000003
RBP: 0000000000000001 R08: 000000006e783fbb R09: 000000006e783fbf
R10: 00007ffff18db940 R11: 0000000000000293 R12: 000000000075c9a0
R13: 000000000075c9a0 R14: 00000000007613a8 R15: 000000000075bf2c
Code: 4c 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 8d 01 00 00 48 b8 00 00 00 00 00 fc ff df 4d 8b 6c 24 08 49 8d 7d 09 48 89 fa 48 c1 ea 03 <0f> b6 04 02 48 89 fa 83 e2 07 38 d0 7f 08 84 c0 0f 85 3c 01 00 
RIP: vb2_vmalloc_put_userptr+0x6e/0x210 drivers/media/v4l2-core/videobuf2-vmalloc.c:136 RSP: ffff888055b07c18
protocol 88fb is buggy, dev hsr_slave_0
protocol 88fb is buggy, dev hsr_slave_1
protocol 88fb is buggy, dev hsr_slave_0
protocol 88fb is buggy, dev hsr_slave_1
---[ end trace 8a75f128adc82e5a ]---
protocol 88fb is buggy, dev hsr_slave_0
protocol 88fb is buggy, dev hsr_slave_1
protocol 88fb is buggy, dev hsr_slave_0
kobject: 'loop0' (ffff888055bbc1a0): kobject_uevent_env
protocol 88fb is buggy, dev hsr_slave_1
kobject: 'tx-0' (ffff888059c34d18): kobject_add_internal: parent: 'queues', set: 'queues'
kobject: 'loop0' (ffff888055bbc1a0): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'tx-0' (ffff888059c34d18): kobject_uevent_env
kobject: 'tx-0' (ffff888059c34d18): fill_kobj_path: path = '/devices/virtual/net/nr0
/queues/tx-0'
kobject: 'loop0' (ffff888055bbc1a0): kobject_uevent_env
kobject: 'loop0' (ffff888055bbc1a0): fill_kobj_path: path = '/devices/virtual/block/loop0'