IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready 8021q: adding VLAN 0 to HW filter on device team0 IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready ------------[ cut here ]------------ WARNING: CPU: 1 PID: 6917 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: 6917 Comm: syz-executor.1 Not tainted 4.14.182-syzkaller #0 IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready 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 IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready __warn.cold.8+0x25/0x2a kernel/panic.c:547 IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready 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 do_invalid_op+0x1b/0x20 arch/x86/kernel/traps.c:314 bridge0: port 1(bridge_slave_0) entered blocking state invalid_op+0x1b/0x40 arch/x86/entry/entry_64.S:964 bridge0: port 1(bridge_slave_0) entered forwarding state RIP: 0010:dma_buf_vunmap+0x154/0x1b0 drivers/dma-buf/dma-buf.c:1039 IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready RSP: 0018:ffff88809623fbd0 EFLAGS: 00010246 RAX: dffffc0000000000 RBX: ffff888096ee4a80 RCX: 1ffff11013cc8caf RDX: 1ffff11012ddc958 RSI: ffffc90005a31000 RDI: 0000000000000000 RBP: ffff88809623fbf8 R08: ffff888096c5af90 R09: 0000000000000a19 R10: ffff88809623fce8 R11: ffff888096c5a6c0 R12: ffffffff842694d0 R13: ffff88809688aa80 R14: ffff88809688aaa8 R15: ffff888096ee4a80 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 IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready 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 bridge0: port 1(bridge_slave_0) entered blocking state __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+0x46/0xbb bridge0: port 1(bridge_slave_0) entered forwarding state RIP: 0033:0x4129e1 RSP: 002b:00007fff589bffe0 EFLAGS: 00000293 ORIG_RAX: 0000000000000003 RAX: 0000000000000000 RBX: 0000000000000004 RCX: 00000000004129e1 RDX: 0000001b2f820000 RSI: 0000000000000000 RDI: 0000000000000003 RBP: 0000000000740518 R08: 000000000000b084 R09: 000000000000b084 R10: 00007fff589c00b0 R11: 0000000000000293 R12: 0000000000000001 R13: 000000000000b085 R14: 000000000000b0b2 R15: 000000000073bf0c Kernel Offset: disabled Rebooting in 86400 seconds..