[    7.368719] Unable to handle kernel NULL pointer dereference at virtual address 00000090
[    7.368722] pgd = dd350000
[    7.368724] [00000090] *pgd=00000000
[    7.368732] Internal error: Oops: 5 [#1] PREEMPT SMP ARM
[    7.368734] Modules linked in: exynos_fimc_is(+) brcmfmac exynos_fimc_lite(+) s5p_csis brcmutil s5p_fimc s5p_mfc s5p_jpeg v4l2_mem2mem exynos4_is_common v4l2_fwnode videobuf2_dma_contig videobuf2_memops videobuf2_v4l2 videobuf2_core v4l2_common videodev panel_samsung_s6e8aa0 media
[    7.368766] CPU: 3 PID: 177 Comm: v4l_id Not tainted 4.15.0-rc1+ #10
[    7.368768] Hardware name: SAMSUNG EXYNOS (Flattened Device Tree)
[    7.368771] task: dddd3180 task.stack: ddbe0000
[    7.368796] PC is at fimc_lite_release+0xa4/0x108 [exynos_fimc_lite]
[    7.368808] LR is at _raw_spin_unlock_irqrestore+0x28/0x54
[    7.368810] pc : [<bf197130>]    lr : [<c07d5710>]    psr: a00f0013
[    7.368813] sp : ddbe1f28  ip : 00000003  fp : ddb99248
[    7.368815] r10: dd250030  r9 : 00000010  r8 : ddaf5018
[    7.368817] r7 : ddaf5570  r6 : ddb99240  r5 : ddaf5508  r4 : ddaf5010
[    7.368819] r3 : 000000a0  r2 : 00000000  r1 : 00000001  r0 : 00000000
[    7.368823] Flags: NzCv  IRQs on  FIQs on  Mode SVC_32  ISA ARM  Segment none
[    7.368826] Control: 10c5387d  Table: 5d35004a  DAC: 00000051
[    7.368828] Process v4l_id (pid: 177, stack limit = 0xddbe0210)
[    7.368832] Stack: (0xddbe1f28 to 0xddbe2000)
[    7.368837] 1f20:                   ddb99240 ddaf5018 ddf79d10 dd250030 00000000 bf029310
[    7.368842] 1f40: ddb99240 dd74f4c8 ddf79d10 c0222c5c 00000000 00000000 dde75608 00000000
[    7.368847] 1f60: dddd35e4 dddd3180 c0c6479c dddd3608 ddb99240 000000a0 00000000 c0138d64
[    7.368851] 1f80: ffffe000 c0108a64 ddbe1fb0 00000006 c0108a64 ddbe0000 000000a0 c010bc1c
[    7.368856] 1fa0: 00000013 b6fa6d5c 00000000 c01088ec 00000000 00000013 0000009c 00000000
[    7.368860] 1fc0: 00000013 b6fa6d5c 00000000 00000006 00000000 00000000 00430f98 00000000
[    7.368865] 1fe0: b6f81e08 bec84c20 b6e44fa8 b6d3f498 600f0010 00000003 0002c604 cb040400
[    7.368955] [<bf197130>] (fimc_lite_release [exynos_fimc_lite]) from [<bf029310>] (v4l2_release+0x34/0x78 [videodev])
[    7.369033] [<bf029310>] (v4l2_release [videodev]) from [<c0222c5c>] (__fput+0x84/0x1d4)
[    7.369048] [<c0222c5c>] (__fput) from [<c0138d64>] (task_work_run+0x94/0xb4)
[    7.369059] [<c0138d64>] (task_work_run) from [<c010bc1c>] (do_work_pending+0x8c/0xb4)
[    7.369066] [<c010bc1c>] (do_work_pending) from [<c01088ec>] (slow_work_pending+0xc/0x20)
[    7.369072] Code: ebfffb05 e3580000 0a000007 e5940330 (e5903090)
[    7.369077] ---[ end trace 275327938e27c5e0 ]---