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
Modules linked in:
CPU: 0 PID: 21316 Comm: syz-executor.0 Not tainted 4.14.182-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
task: ffff88821afe2680 task.stack: ffff8882052f0000
RIP: 0010:vb2_vmalloc_put_userptr+0x6a/0x210 drivers/media/v4l2-core/videobuf2-vmalloc.c:136
RSP: 0018:ffff8882052f7cd0 EFLAGS: 00010202
RAX: dffffc0000000000 RBX: 0000000000000000 RCX: 1ffffffff0df9c2c
RDX: 0000000000000001 RSI: 0000000000000004 RDI: 0000000000000009
RBP: ffff88803a436f80 R08: ffffffff8a380bc0 R09: ffffffff89e7da30
R10: ffff8882052f7d90 R11: ffff88821afe2680 R12: 0000000000000000
R13: ffff88803a436f88 R14: ffffc90014237000 R15: dffffc0000000000
FS:  0000000001cba940(0000) GS:ffff8880aec00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ffed4227080 CR3: 000000020aa92000 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+0x395/0x7b0 drivers/media/v4l2-core/videobuf2-core.c:454
 vb2_core_queue_release+0x5b/0x70 drivers/media/v4l2-core/videobuf2-core.c:2043
 v4l2_m2m_ctx_release+0x1a/0x30 drivers/media/v4l2-core/v4l2-mem2mem.c:673
 vim2m_release+0xd4/0x120 drivers/media/platform/vim2m.c:959
 v4l2_release+0xf4/0x190 drivers/media/v4l2-core/v4l2-dev.c:446
 __fput+0x25f/0x7a0 fs/file_table.c:210
 task_work_run+0x113/0x190 kernel/task_work.c:113
 tracehook_notify_resume include/linux/tracehook.h:191 [inline]
 exit_to_usermode_loop+0x1ad/0x200 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+0x4a3/0x640 arch/x86/entry/common.c:297
 entry_SYSCALL_64_after_hwframe+0x46/0xbb
RIP: 0033:0x416661
RSP: 002b:00007ffd26720360 EFLAGS: 00000293 ORIG_RAX: 0000000000000003
RAX: 0000000000000000 RBX: 0000000000000005 RCX: 0000000000416661
RDX: 0000000000000000 RSI: 000000000000152e RDI: 0000000000000004
RBP: 0000000000000001 R08: 00000000f1dd1532 R09: 0000000000000000
R10: 00007ffd26720450 R11: 0000000000000293 R12: 000000000078c900
R13: 000000000078c900 R14: ffffffffffffffff R15: 000000000078bfac
Code: 4c 89 ea 48 c1 ea 03 80 3c 02 00 0f 85 8c 01 00 00 48 b8 00 00 00 00 00 fc ff df 4c 8b 65 08 49 8d 7c 24 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 3b 01 00 
RIP: vb2_vmalloc_put_userptr+0x6a/0x210 drivers/media/v4l2-core/videobuf2-vmalloc.c:136 RSP: ffff8882052f7cd0
---[ end trace 90f43a5b15917ea1 ]---