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BUG: KASAN: vmalloc-out-of-bounds in tpg_fill_plane_pattern drivers/media/common/v4l2-tpg/v4l2-tpg-core.c:2608 [inline]
BUG: KASAN: vmalloc-out-of-bounds in tpg_fill_plane_buffer+0x2c84/0x4380 drivers/media/common/v4l2-tpg/v4l2-tpg-core.c:2705
Write of size 1440 at addr ffffc90003efdda0 by task vivid-000-vid-c/15815

CPU: 0 UID: 0 PID: 15815 Comm: vivid-000-vid-c Not tainted 6.13.0-rc6-syzkaller-00262-gb62cef9a5c67 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:94 [inline]
 dump_stack_lvl+0x116/0x1f0 lib/dump_stack.c:120
 print_address_description mm/kasan/report.c:378 [inline]
 print_report+0xc3/0x620 mm/kasan/report.c:489
 kasan_report+0xd9/0x110 mm/kasan/report.c:602
 check_region_inline mm/kasan/generic.c:183 [inline]
 kasan_check_range+0xef/0x1a0 mm/kasan/generic.c:189
 __asan_memcpy+0x3c/0x60 mm/kasan/shadow.c:106
 tpg_fill_plane_pattern drivers/media/common/v4l2-tpg/v4l2-tpg-core.c:2608 [inline]
 tpg_fill_plane_buffer+0x2c84/0x4380 drivers/media/common/v4l2-tpg/v4l2-tpg-core.c:2705
 vivid_fillbuff+0x8e0/0x41f0 drivers/media/test-drivers/vivid/vivid-kthread-cap.c:470
 vivid_thread_vid_cap_tick+0x81b/0x15d0 drivers/media/test-drivers/vivid/vivid-kthread-cap.c:629
 vivid_thread_vid_cap+0x5b8/0xb90 drivers/media/test-drivers/vivid/vivid-kthread-cap.c:767
 kthread+0x2c1/0x3a0 kernel/kthread.c:389
 ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:147
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
 </TASK>

The buggy address belongs to the virtual mapping at
 [ffffc90003ee7000, ffffc90003eff000) created by:
 vb2_vmalloc_alloc+0x11e/0x3d0 drivers/media/common/videobuf2/videobuf2-vmalloc.c:47

The buggy address belongs to the physical page:
page: refcount:1 mapcount:0 mapping:0000000000000000 index:0xffff88802e58d780 pfn:0x2e58d
flags: 0xfff00000000000(node=0|zone=1|lastcpupid=0x7ff)
raw: 00fff00000000000 0000000000000000 dead000000000122 0000000000000000
raw: ffff88802e58d780 0000000000000000 00000001ffffffff 0000000000000000
page dumped because: kasan: bad access detected
page_owner tracks the page as allocated
page last allocated via order 0, migratetype Unmovable, gfp_mask 0x2dc2(GFP_KERNEL|__GFP_HIGHMEM|__GFP_NOWARN|__GFP_ZERO), pid 15814, tgid 15813 (syz.0.3160), ts 625128017040, free_ts 622943166452
 set_page_owner include/linux/page_owner.h:32 [inline]
 post_alloc_hook+0x2d1/0x350 mm/page_alloc.c:1558
 prep_new_page mm/page_alloc.c:1566 [inline]
 get_page_from_freelist+0xfce/0x2f80 mm/page_alloc.c:3476
 __alloc_pages_noprof+0x223/0x25b0 mm/page_alloc.c:4753
 alloc_pages_mpol_noprof+0x2c9/0x610 mm/mempolicy.c:2269
 vm_area_alloc_pages mm/vmalloc.c:3591 [inline]
 __vmalloc_area_node mm/vmalloc.c:3669 [inline]
 __vmalloc_node_range_noprof+0x724/0x1530 mm/vmalloc.c:3846
 vmalloc_user_noprof+0x6b/0x90 mm/vmalloc.c:4000
 vb2_vmalloc_alloc+0x11e/0x3d0 drivers/media/common/videobuf2/videobuf2-vmalloc.c:47
 __vb2_buf_mem_alloc drivers/media/common/videobuf2/videobuf2-core.c:242 [inline]
 __vb2_queue_alloc+0x896/0x1230 drivers/media/common/videobuf2/videobuf2-core.c:523
 vb2_core_reqbufs+0xa73/0xfb0 drivers/media/common/videobuf2/videobuf2-core.c:964
 __vb2_init_fileio+0x3f3/0x1110 drivers/media/common/videobuf2/videobuf2-core.c:2895
 vb2_core_poll+0x5ec/0x700 drivers/media/common/videobuf2/videobuf2-core.c:2729
 vb2_poll+0x33/0x150 drivers/media/common/videobuf2/videobuf2-v4l2.c:980
 vb2_fop_poll+0x10f/0x2c0 drivers/media/common/videobuf2/videobuf2-v4l2.c:1245
 v4l2_poll+0x160/0x320 drivers/media/v4l2-core/v4l2-dev.c:350
 vfs_poll include/linux/poll.h:82 [inline]
 select_poll_one fs/select.c:480 [inline]
 do_select+0xd88/0x17e0 fs/select.c:536
 core_sys_select+0x459/0xb80 fs/select.c:677
page last free pid 15566 tgid 15566 stack trace:
 reset_page_owner include/linux/page_owner.h:25 [inline]
 free_pages_prepare mm/page_alloc.c:1127 [inline]
 free_unref_page+0x661/0x1080 mm/page_alloc.c:2659
 __put_partials+0x14c/0x170 mm/slub.c:3157
 qlink_free mm/kasan/quarantine.c:163 [inline]
 qlist_free_all+0x4e/0x120 mm/kasan/quarantine.c:179
 kasan_quarantine_reduce+0x195/0x1e0 mm/kasan/quarantine.c:286
 __kasan_slab_alloc+0x69/0x90 mm/kasan/common.c:329
 kasan_slab_alloc include/linux/kasan.h:250 [inline]
 slab_post_alloc_hook mm/slub.c:4119 [inline]
 slab_alloc_node mm/slub.c:4168 [inline]
 kmem_cache_alloc_noprof+0x226/0x3d0 mm/slub.c:4175
 vm_area_dup+0x21/0x2f0 kernel/fork.c:487
 dup_mmap kernel/fork.c:694 [inline]
 dup_mm kernel/fork.c:1691 [inline]
 copy_mm kernel/fork.c:1743 [inline]
 copy_process+0x79be/0x8e50 kernel/fork.c:2394
 kernel_clone+0xfd/0x960 kernel/fork.c:2806
 __do_sys_clone+0xba/0x100 kernel/fork.c:2949
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f

Memory state around the buggy address:
 ffffc90003efdf00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
 ffffc90003efdf80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
>ffffc90003efe000: f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8
                   ^
 ffffc90003efe080: f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8
 ffffc90003efe100: f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8
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