systemd[1]: Stopped Journal Service.
systemd[1]: Starting Journal Service...
systemd-journald[12707]: File /run/log/journal/64dd78f1a75445a997c532444ad0f085/system.journal corrupted or uncleanly shut down, renaming and replacing.
systemd[1]: Started Journal Service.
------------[ cut here ]------------
WARNING: CPU: 0 PID: 12647 at drivers/dma-buf/dma-buf.c:1039 dma_buf_vunmap+0x181/0x1f0 syzkaller/managers/linux-4-14/kernel/drivers/dma-buf/dma-buf.c:1039
Kernel panic - not syncing: panic_on_warn set ...

CPU: 0 PID: 12647 Comm: syz-executor.5 Not tainted 4.14.218-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
 __dump_stack syzkaller/managers/linux-4-14/kernel/lib/dump_stack.c:17 [inline]
 dump_stack+0x1b2/0x281 syzkaller/managers/linux-4-14/kernel/lib/dump_stack.c:58
 panic+0x1f9/0x42d syzkaller/managers/linux-4-14/kernel/kernel/panic.c:183
 __warn.cold+0x20/0x44 syzkaller/managers/linux-4-14/kernel/kernel/panic.c:547
 report_bug+0x208/0x250 syzkaller/managers/linux-4-14/kernel/lib/bug.c:186
 fixup_bug syzkaller/managers/linux-4-14/kernel/arch/x86/kernel/traps.c:177 [inline]
 fixup_bug syzkaller/managers/linux-4-14/kernel/arch/x86/kernel/traps.c:172 [inline]
 do_error_trap+0x195/0x2d0 syzkaller/managers/linux-4-14/kernel/arch/x86/kernel/traps.c:295
 invalid_op+0x1b/0x40 syzkaller/managers/linux-4-14/kernel/arch/x86/entry/entry_64.S:964
RIP: 0010:dma_buf_vunmap+0x181/0x1f0 syzkaller/managers/linux-4-14/kernel/drivers/dma-buf/dma-buf.c:1039
RSP: 0018:ffff888052e9fa00 EFLAGS: 00010246
RAX: 0000000000040000 RBX: 0000000000000000 RCX: ffffc90009516000
RDX: 0000000000040000 RSI: ffffffff8396ca81 RDI: 0000000000000000
RBP: ffffc90014ed8000 R08: 0000000000000000 R09: 0000000000040553
R10: ffff8880abacec30 R11: ffff8880abace380 R12: ffffc90014ed8000
R13: ffff8880b4842d28 R14: ffff8880a379a800 R15: 0000000000000000
 vb2_vmalloc_detach_dmabuf+0x57/0x80 syzkaller/managers/linux-4-14/kernel/drivers/media/v4l2-core/videobuf2-vmalloc.c:407
 __vb2_plane_dmabuf_put+0x10b/0x2e0 syzkaller/managers/linux-4-14/kernel/drivers/media/v4l2-core/videobuf2-core.c:273
 __vb2_buf_dmabuf_put syzkaller/managers/linux-4-14/kernel/drivers/media/v4l2-core/videobuf2-core.c:289 [inline]
 __vb2_free_mem syzkaller/managers/linux-4-14/kernel/drivers/media/v4l2-core/videobuf2-core.c:411 [inline]
 __vb2_queue_free+0x5e4/0x7a0 syzkaller/managers/linux-4-14/kernel/drivers/media/v4l2-core/videobuf2-core.c:454
 vb2_core_queue_release+0x5b/0x70 syzkaller/managers/linux-4-14/kernel/drivers/media/v4l2-core/videobuf2-core.c:2043
 vb2_queue_release syzkaller/managers/linux-4-14/kernel/drivers/media/v4l2-core/videobuf2-v4l2.c:669 [inline]
 _vb2_fop_release+0x1c1/0x280 syzkaller/managers/linux-4-14/kernel/drivers/media/v4l2-core/videobuf2-v4l2.c:840
 v4l2_release+0xf4/0x190 syzkaller/managers/linux-4-14/kernel/drivers/media/v4l2-core/v4l2-dev.c:446
 __fput+0x25f/0x7a0 syzkaller/managers/linux-4-14/kernel/fs/file_table.c:210
 task_work_run+0x11f/0x190 syzkaller/managers/linux-4-14/kernel/kernel/task_work.c:113
 get_signal+0x18a3/0x1ca0 syzkaller/managers/linux-4-14/kernel/kernel/signal.c:2234
 do_signal+0x7c/0x1550 syzkaller/managers/linux-4-14/kernel/arch/x86/kernel/signal.c:814
 exit_to_usermode_loop+0x160/0x200 syzkaller/managers/linux-4-14/kernel/arch/x86/entry/common.c:160
 prepare_exit_to_usermode syzkaller/managers/linux-4-14/kernel/arch/x86/entry/common.c:199 [inline]
 syscall_return_slowpath syzkaller/managers/linux-4-14/kernel/arch/x86/entry/common.c:270 [inline]
 do_syscall_64+0x4a3/0x640 syzkaller/managers/linux-4-14/kernel/arch/x86/entry/common.c:297
 entry_SYSCALL_64_after_hwframe+0x46/0xbb
RIP: 0033:0x465b09
RSP: 002b:00007f2779d50188 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: fffffffffffffff2 RBX: 000000000056bf60 RCX: 0000000000465b09
RDX: 00000000200001c0 RSI: 00000000c100565c RDI: 0000000000000003
RBP: 00000000004b069f R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 000000000056bf60
R13: 00007fff46ae9d0f R14: 00007f2779d50300 R15: 0000000000022000
Kernel Offset: disabled
Rebooting in 86400 seconds..