** Changed in: linux-raspi (Ubuntu)
Status: New => Invalid
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https://bugs.launchpad.net/bugs/2039775
Title:
UBSAN: invalid-load in /build/linux-raspi-sdHVF4/linux-
raspi-6.5.0/include/linux/iosys-map.h:267:9
Status in linux-raspi package in Ubuntu:
Invalid
Status in linux-raspi source package in Mantic:
Won't Fix
Bug description:
Running libcamera-hello results in:
[ 192.866290]
================================================================================
[ 192.874967] UBSAN: invalid-load in
/build/linux-raspi-sdHVF4/linux-raspi-6.5.0/include/linux/iosys-map.h:267:9
[ 192.885502] load of value 32 is not a valid value for type '_Bool'
[ 192.891902] CPU: 0 PID: 2739 Comm: libcamera-hello Tainted: G C E
6.5.0-1005-raspi #7-Ubuntu
[ 192.901599] Hardware name: Raspberry Pi 5 Model B Rev 1.0 (DT)
[ 192.907450] Call trace:
[ 192.909896] dump_backtrace+0x9c/0x128
[ 192.913658] show_stack+0x20/0x38
[ 192.916978] dump_stack_lvl+0xbc/0x120
[ 192.920736] dump_stack+0x18/0x28
[ 192.924056] __ubsan_handle_load_invalid_value+0xac/0xe8
[ 192.929385] dma_buf_vmap_unlocked+0xb4/0xb8
[ 192.933666] vb2_dc_vaddr+0xa8/0xe0 [videobuf2_dma_contig]
[ 192.939178] vb2_plane_vaddr+0x6c/0xd0 [videobuf2_common]
[ 192.944603] cfe_buffer_prepare+0x120/0x1e8 [rp1_cfe]
[ 192.949676] __prepare_dmabuf.constprop.0+0x3e4/0x9b8 [videobuf2_common]
[ 192.956407] __buf_prepare+0x218/0x280 [videobuf2_common]
[ 192.961827] vb2_core_qbuf+0x494/0x660 [videobuf2_common]
[ 192.967247] vb2_qbuf+0xa4/0x108 [videobuf2_v4l2]
[ 192.971969] vb2_ioctl_qbuf+0x68/0x80 [videobuf2_v4l2]
[ 192.977127] v4l_qbuf+0x50/0x70 [videodev]
[ 192.981259] __video_do_ioctl+0x370/0x4d0 [videodev]
[ 192.986258] video_usercopy+0x20c/0x5c8 [videodev]
[ 192.991082] video_ioctl2+0x20/0x90 [videodev]
[ 192.995557] v4l2_ioctl+0x6c/0xb0 [videodev]
[ 192.999857] __arm64_sys_ioctl+0xb4/0x100
[ 193.003877] invoke_syscall+0x50/0x120
[ 193.007634] el0_svc_common.constprop.0+0x6c/0x140
[ 193.012437] do_el0_svc+0x34/0x50
[ 193.015756] el0_svc+0x30/0xc8
[ 193.018815] el0t_64_sync_handler+0x120/0x130
[ 193.023183] el0t_64_sync+0x1a8/0x1b0
[ 193.027084]
================================================================================
[ 193.036147] source of link 'rp1-cfe-fe_config':0->'pisp-fe':1 is not a
V4L2 sub-device, driver bug!
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