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BUG: KASAN: stack-out-of-bounds in folio_batch_add include/linux/pagevec.h:130 [inline]
BUG: KASAN: stack-out-of-bounds in check_move_unevictable_pages+0x3f6/0x440 mm/vmscan.c:4857
BUG: KASAN: stack-out-of-bounds in folio_batch_add include/linux/pagevec.h:130 [inline]
BUG: KASAN: stack-out-of-bounds in check_move_unevictable_pages+0x3f6/0x440 mm/vmscan.c:4857
Write of size 8 at addr ffffc90002d3f958 by task syz-executor.4/12237

CPU: 0 PID: 12237 Comm: syz-executor.4 Not tainted 5.19.0-rc1-next-20220607-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:88 [inline]
 dump_stack_lvl+0xcd/0x134 lib/dump_stack.c:106
 print_address_description.constprop.0.cold+0xf/0x495 mm/kasan/report.c:313
 print_report mm/kasan/report.c:429 [inline]
 kasan_report.cold+0xf4/0x1c6 mm/kasan/report.c:491
 folio_batch_add include/linux/pagevec.h:130 [inline]
 check_move_unevictable_pages+0x3f6/0x440 mm/vmscan.c:4857
 drm_gem_check_release_pagevec drivers/gpu/drm/drm_gem.c:511 [inline]
 drm_gem_put_pages+0x29f/0x3f0 drivers/gpu/drm/drm_gem.c:639
 drm_gem_shmem_put_pages_locked+0x13e/0x230 drivers/gpu/drm/drm_gem_shmem_helper.c:237
 drm_gem_shmem_put_pages drivers/gpu/drm/drm_gem_shmem_helper.c:252 [inline]
 drm_gem_shmem_unpin drivers/gpu/drm/drm_gem_shmem_helper.c:286 [inline]
 drm_gem_shmem_object_unpin+0x51/0x70 include/drm/drm_gem_shmem_helper.h:202
 drm_gem_unpin+0x5d/0x80 drivers/gpu/drm/drm_gem.c:1167
 dma_buf_detach+0x499/0x650 drivers/dma-buf/dma-buf.c:851
 drm_prime_gem_destroy+0x76/0xa0 drivers/gpu/drm/drm_prime.c:1057
 drm_gem_shmem_free+0xcc/0x340 drivers/gpu/drm/drm_gem_shmem_helper.c:145
 drm_gem_object_free drivers/gpu/drm/drm_gem.c:974 [inline]
 kref_put include/linux/kref.h:65 [inline]
 __drm_gem_object_put include/drm/drm_gem.h:371 [inline]
 drm_gem_object_put include/drm/drm_gem.h:384 [inline]
 drm_gem_object_handle_put_unlocked+0x306/0x390 drivers/gpu/drm/drm_gem.c:240
 drm_gem_object_release_handle+0xe3/0x110 drivers/gpu/drm/drm_gem.c:259
 idr_for_each+0x113/0x220 lib/idr.c:208
 drm_gem_release+0x22/0x30 drivers/gpu/drm/drm_gem.c:932
 drm_file_free.part.0+0x805/0xb80 drivers/gpu/drm/drm_file.c:281
 drm_file_free drivers/gpu/drm/drm_file.c:248 [inline]
 drm_close_helper.isra.0+0x17d/0x1f0 drivers/gpu/drm/drm_file.c:308
 drm_release+0x1e6/0x530 drivers/gpu/drm/drm_file.c:495
 __fput+0x277/0x9d0 fs/file_table.c:317
 task_work_run+0xdd/0x1a0 kernel/task_work.c:177
 resume_user_mode_work include/linux/resume_user_mode.h:49 [inline]
 exit_to_user_mode_loop kernel/entry/common.c:169 [inline]
 exit_to_user_mode_prepare+0x23c/0x250 kernel/entry/common.c:201
 __syscall_exit_to_user_mode_work kernel/entry/common.c:283 [inline]
 syscall_exit_to_user_mode+0x19/0x50 kernel/entry/common.c:294
 do_syscall_64+0x42/0xb0 arch/x86/entry/common.c:86
 entry_SYSCALL_64_after_hwframe+0x46/0xb0
RIP: 0033:0x7fe40d63bd4b
Code: 0f 05 48 3d 00 f0 ff ff 77 45 c3 0f 1f 40 00 48 83 ec 18 89 7c 24 0c e8 63 fc ff ff 8b 7c 24 0c 41 89 c0 b8 03 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 35 44 89 c7 89 44 24 0c e8 a1 fc ff ff 8b 44
RSP: 002b:00007ffe4a3d2880 EFLAGS: 00000293 ORIG_RAX: 0000000000000003
RAX: 0000000000000000 RBX: 0000000000000005 RCX: 00007fe40d63bd4b
RDX: 0000000000000000 RSI: 0000001b2f423328 RDI: 0000000000000004
RBP: 00007fe40d79d960 R08: 0000000000000000 R09: 00000000748c1c20
R10: 0000000000000000 R11: 0000000000000293 R12: 00000000000b4868
R13: 00007ffe4a3d2980 R14: 00007ffe4a3d29a0 R15: 0000000000000032
 </TASK>

The buggy address belongs to stack of task syz-executor.4/12237
 and is located at offset 160 in frame:
 check_move_unevictable_pages+0x0/0x440 arch/x86/include/asm/bitops.h:207

This frame has 1 object:
 [32, 160) 'fbatch'

The buggy address belongs to the virtual mapping at
 [ffffc90002d38000, ffffc90002d41000) created by:
 kernel_clone+0xe7/0xab0 kernel/fork.c:2648

The buggy address belongs to the physical page:
page:ffffea0001e122c0 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x7848b
memcg:ffff888076438b02
flags: 0xfff00000000000(node=0|zone=1|lastcpupid=0x7ff)
raw: 00fff00000000000 0000000000000000 dead000000000122 0000000000000000
raw: 0000000000000000 0000000000000000 00000001ffffffff ffff888076438b02
page dumped because: kasan: bad access detected
page_owner tracks the page as allocated
page last allocated via order 0, migratetype Unmovable, gfp_mask 0x102dc2(GFP_HIGHUSER|__GFP_NOWARN|__GFP_ZERO), pid 12185, tgid 12178 (syz-executor.3), ts 732356510680, free_ts 732036569407
 prep_new_page mm/page_alloc.c:2460 [inline]
 get_page_from_freelist+0xa64/0x3d10 mm/page_alloc.c:4279
 __alloc_pages+0x1c7/0x510 mm/page_alloc.c:5503
 alloc_pages+0x1aa/0x310 mm/mempolicy.c:2279
 vm_area_alloc_pages mm/vmalloc.c:2926 [inline]
 __vmalloc_area_node mm/vmalloc.c:2994 [inline]
 __vmalloc_node_range+0x735/0x13b0 mm/vmalloc.c:3164
 alloc_thread_stack_node kernel/fork.c:311 [inline]
 dup_task_struct kernel/fork.c:971 [inline]
 copy_process+0x1568/0x7010 kernel/fork.c:2064
 kernel_clone+0xe7/0xab0 kernel/fork.c:2648
 __do_sys_clone3+0x1cd/0x2e0 kernel/fork.c:2940
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x46/0xb0
page last free stack trace:
 reset_page_owner include/linux/page_owner.h:24 [inline]
 free_pages_prepare mm/page_alloc.c:1375 [inline]
 free_pcp_prepare+0x549/0xd20 mm/page_alloc.c:1425
 free_unref_page_prepare mm/page_alloc.c:3311 [inline]
 free_unref_page+0x19/0x7b0 mm/page_alloc.c:3426
 kasan_depopulate_vmalloc_pte+0x5c/0x70 mm/kasan/shadow.c:359
 apply_to_pte_range mm/memory.c:2648 [inline]
 apply_to_pmd_range mm/memory.c:2692 [inline]
 apply_to_pud_range mm/memory.c:2728 [inline]
 apply_to_p4d_range mm/memory.c:2764 [inline]
 __apply_to_page_range+0x68c/0x1030 mm/memory.c:2798
 kasan_release_vmalloc+0xa7/0xc0 mm/kasan/shadow.c:469
 __purge_vmap_area_lazy+0x8f9/0x1c50 mm/vmalloc.c:1722
 drain_vmap_area_work+0x52/0xe0 mm/vmalloc.c:1751
 process_one_work+0x996/0x1610 kernel/workqueue.c:2289
 worker_thread+0x665/0x1080 kernel/workqueue.c:2436
 kthread+0x2e9/0x3a0 kernel/kthread.c:376
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:302

Memory state around the buggy address:
 ffffc90002d3f800: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
 ffffc90002d3f880: 00 00 00 00 00 00 00 f1 f1 f1 f1 00 00 00 00 00
>ffffc90002d3f900: 00 00 00 00 00 00 00 00 00 00 00 f3 f3 f3 f3 00
                                                    ^
 ffffc90002d3f980: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
 ffffc90002d3fa00: f1 f1 f1 f1 00 00 00 00 00 00 00 00 00 00 00 00
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