IPv6: ADDRCONF(NETDEV_UP): veth1_to_hsr: link is not ready
IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready
IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready
------------[ cut here ]------------
IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready
WARNING: CPU: 1 PID: 6972 at drivers/dma-buf/dma-buf.c:1039 dma_buf_vunmap+0x154/0x1b0 drivers/dma-buf/dma-buf.c:1053
Kernel panic - not syncing: panic_on_warn set ...

CPU: 1 PID: 6972 Comm: syz-executor.0 Not tainted 4.14.177-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+0xf7/0x13b lib/dump_stack.c:58
 panic+0x1b0/0x36a kernel/panic.c:183
 __warn.cold.8+0x25/0x2a kernel/panic.c:547
 report_bug+0x1a4/0x1f3 lib/bug.c:186
 fixup_bug arch/x86/kernel/traps.c:177 [inline]
 do_error_trap+0x1bd/0x310 arch/x86/kernel/traps.c:295
IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready
 do_invalid_op+0x1b/0x20 arch/x86/kernel/traps.c:314
 invalid_op+0x1b/0x40 arch/x86/entry/entry_64.S:963
RIP: 0010:dma_buf_vunmap+0x154/0x1b0 drivers/dma-buf/dma-buf.c:1039
RSP: 0018:ffff88808302fbd0 EFLAGS: 00010246
RAX: dffffc0000000000 RBX: ffff888095b90900 RCX: 1ffff1104304cca7
RDX: 1ffff11012b72128 RSI: ffffc90005a2f000 RDI: 0000000000000000
RBP: ffff88808302fbf8 R08: ffff888094618f10 R09: 0000000000000caf
R10: ffff88808302fce8 R11: ffff888094618640 R12: ffffffff84260250
R13: ffff88809510ea00 R14: ffff88809510ea28 R15: ffff888095b90900
 vb2_vmalloc_detach_dmabuf+0x4f/0x80 drivers/media/v4l2-core/videobuf2-vmalloc.c:407
 __vb2_plane_dmabuf_put.isra.6+0xff/0x2d0 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+0x55c/0x770 drivers/media/v4l2-core/videobuf2-core.c:454
 vb2_core_queue_release+0x57/0x70 drivers/media/v4l2-core/videobuf2-core.c:2043
 vb2_queue_release drivers/media/v4l2-core/videobuf2-v4l2.c:669 [inline]
 _vb2_fop_release+0x1ac/0x280 drivers/media/v4l2-core/videobuf2-v4l2.c:840
 vb2_fop_release+0x66/0xd0 drivers/media/v4l2-core/videobuf2-v4l2.c:854
 vivid_fop_release+0x15f/0x3a0 drivers/media/platform/vivid/vivid-core.c:486
 v4l2_release+0xee/0x1a0 drivers/media/v4l2-core/v4l2-dev.c:446
 __fput+0x235/0x750 fs/file_table.c:210
 ____fput+0x9/0x10 fs/file_table.c:244
 task_work_run+0xeb/0x180 kernel/task_work.c:113
 tracehook_notify_resume include/linux/tracehook.h:191 [inline]
 exit_to_usermode_loop+0x16a/0x1b0 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+0x418/0x5b0 arch/x86/entry/common.c:297
 entry_SYSCALL_64_after_hwframe+0x42/0xb7
RIP: 0033:0x4129e1
RSP: 002b:00007ffd1bafed60 EFLAGS: 00000293 ORIG_RAX: 0000000000000003
RAX: 0000000000000000 RBX: 0000000000000004 RCX: 00000000004129e1
RDX: 0000001b30c20000 RSI: 0000000000000000 RDI: 0000000000000003
RBP: 0000000000740518 R08: 000000000000b321 R09: 000000000000b321
R10: 00007ffd1bafee30 R11: 0000000000000293 R12: 0000000000000001
R13: 000000000000b32b R14: 000000000000b358 R15: 000000000073bf0c
Kernel Offset: disabled
Rebooting in 86400 seconds..