Out of memory: Kill process 11450 (syz-executor.4) score 1007 or sacrifice child
Killed process 11450 (syz-executor.4) total-vm:74964kB, anon-rss:18236kB, file-rss:34560kB, shmem-rss:0kB
oom_reaper: reaped process 11450 (syz-executor.4), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB
------------[ cut here ]------------
WARNING: CPU: 1 PID: 14294 at drivers/dma-buf/dma-buf.c:1039 dma_buf_vunmap+0x181/0x1f0 drivers/dma-buf/dma-buf.c:1039
Kernel panic - not syncing: panic_on_warn set ...

CPU: 1 PID: 14294 Comm: syz-executor.2 Not tainted 4.14.184-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
 __dump_stack lib/dump_stack.c:17 [inline]
 dump_stack+0x1b2/0x283 lib/dump_stack.c:58
 panic+0x1f9/0x42d kernel/panic.c:183
 __warn.cold+0x2f/0x30 kernel/panic.c:547
 report_bug+0x20a/0x248 lib/bug.c:186
 fixup_bug arch/x86/kernel/traps.c:177 [inline]
 fixup_bug arch/x86/kernel/traps.c:172 [inline]
 do_error_trap+0x195/0x2d0 arch/x86/kernel/traps.c:295
 invalid_op+0x1b/0x40 arch/x86/entry/entry_64.S:964
RIP: 0010:dma_buf_vunmap+0x181/0x1f0 drivers/dma-buf/dma-buf.c:1039
RSP: 0018:ffff888054c8fa18 EFLAGS: 00010246
RAX: 0000000000040000 RBX: 0000000000000000 RCX: ffffc9000787f000
RDX: 0000000000040000 RSI: ffffffff83a54e01 RDI: 0000000000000000
RBP: ffffc9001293f000 R08: ffffffff8a381c00 R09: ffffffff89e8f228
R10: ffff888054c8fb20 R11: ffff88809665a6c0 R12: ffffc9001293f000
R13: ffff8880a9ba7a28 R14: ffff888092037480 R15: 0000000000000000
 vb2_vmalloc_detach_dmabuf+0x57/0x80 drivers/media/v4l2-core/videobuf2-vmalloc.c:407
 __vb2_plane_dmabuf_put.isra.0+0x10b/0x2e0 drivers/media/v4l2-core/videobuf2-core.c:273
 __vb2_buf_dmabuf_put drivers/media/v4l2-core/videobuf2-core.c:289 [inline]
 __vb2_free_mem drivers/media/v4l2-core/videobuf2-core.c:411 [inline]
 __vb2_queue_free+0x5f5/0x7b0 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
 get_signal+0x1887/0x1c90 kernel/signal.c:2234
 do_signal+0x7c/0x15d0 arch/x86/kernel/signal.c:814
 exit_to_usermode_loop+0x160/0x200 arch/x86/entry/common.c:160
 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: 0033:0x45c1d9
RSP: 002b:00007fccb2a93c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: fffffffffffffff2 RBX: 000000000001d640 RCX: 000000000045c1d9
RDX: 00000000200000c0 RSI: 00000000c100565c RDI: 0000000000000003
RBP: 000000000078bf40 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 000000000078bf0c
R13: 00007fffc3f9e94f R14: 00007fccb2a949c0 R15: 000000000078bf0c
Kernel Offset: disabled
Rebooting in 86400 seconds..