syzbot

2026/06/27 10:18:57 executed programs: 5
BUG: memory leak
unreferenced object 0xffff888112deb918 (size 576):
  comm "syz.0.20", pid 5961, jiffies 4294945071
  hex dump (first 32 bytes):
    06 1d 08 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
    18 50 76 1c 81 88 ff ff 30 b9 de 12 81 88 ff ff  .Pv.....0.......
  backtrace (crc 96d634ac):
    kmemleak_alloc_recursive include/linux/kmemleak.h:44 [inline]
    slab_post_alloc_hook mm/slub.c:4625 [inline]
    slab_alloc_node mm/slub.c:4945 [inline]
    kmem_cache_alloc_lru_noprof+0x34d/0x430 mm/slub.c:4978
    xas_alloc+0xf1/0x110 lib/xarray.c:378
    xas_expand lib/xarray.c:590 [inline]
    xas_create+0x105/0x8a0 lib/xarray.c:661
    xas_store+0x7a/0xb20 lib/xarray.c:795
    shmem_add_to_page_cache+0x39f/0x490 mm/shmem.c:922
    shmem_alloc_and_add_folio+0x30c/0x6d0 mm/shmem.c:1975
    shmem_get_folio_gfp+0x3b4/0x9d0 mm/shmem.c:2502
    shmem_fault+0x91/0x490 mm/shmem.c:2703
    __do_fault+0x4d/0x100 mm/memory.c:5425
    do_read_fault mm/memory.c:5860 [inline]
    do_fault+0x619/0x9b0 mm/memory.c:5994
    do_pte_missing mm/memory.c:4566 [inline]
    handle_pte_fault mm/memory.c:6379 [inline]
    __handle_mm_fault+0x1040/0x1d60 mm/memory.c:6517
    handle_mm_fault+0x217/0x630 mm/memory.c:6686
    faultin_page mm/gup.c:1126 [inline]
    __get_user_pages+0xa4a/0x1d90 mm/gup.c:1428
    populate_vma_page_range+0xf8/0x160 mm/gup.c:1860
    __mm_populate+0x93/0x270 mm/gup.c:1963
    mm_populate include/linux/mm.h:4171 [inline]
    vm_mmap_pgoff+0x226/0x2d0 mm/util.c:586

BUG: memory leak
unreferenced object 0xffff888112dd4000 (size 576):
  comm "syz.0.20", pid 5961, jiffies 4294945075
  hex dump (first 32 bytes):
    00 07 00 00 00 00 00 00 18 b9 de 12 81 88 ff ff  ................
    18 50 76 1c 81 88 ff ff 18 40 dd 12 81 88 ff ff  .Pv......@......
  backtrace (crc e9adfaaf):
    kmemleak_alloc_recursive include/linux/kmemleak.h:44 [inline]
    slab_post_alloc_hook mm/slub.c:4625 [inline]
    slab_alloc_node mm/slub.c:4945 [inline]
    kmem_cache_alloc_lru_noprof+0x34d/0x430 mm/slub.c:4978
    xas_alloc+0xf1/0x110 lib/xarray.c:378
    xas_create+0x40d/0x8a0 lib/xarray.c:685
    xas_create_range+0xb5/0x1b0 lib/xarray.c:725
    collapse_file+0x20e/0x19d0 mm/khugepaged.c:2282
    collapse_scan_file mm/khugepaged.c:2773 [inline]
    collapse_single_pmd+0xc5b/0x1f60 mm/khugepaged.c:2808
    madvise_collapse+0x1a9/0x440 mm/khugepaged.c:3234
    madvise_vma_behavior+0x9b0/0xf80 mm/madvise.c:1364
    madvise_walk_vmas+0x14f/0x510 mm/madvise.c:1713
    madvise_do_behavior+0xc6/0x2c0 mm/madvise.c:1908
    do_madvise+0x1bc/0x220 mm/madvise.c:2006
    __do_sys_madvise mm/madvise.c:2015 [inline]
    __se_sys_madvise mm/madvise.c:2013 [inline]
    __x64_sys_madvise+0x2c/0x40 mm/madvise.c:2013
    do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
    do_syscall_64+0xf8/0x610 arch/x86/entry/syscall_64.c:94
    entry_SYSCALL_64_after_hwframe+0x77/0x7f

BUG: memory leak
unreferenced object 0xffff888112e0e6d8 (size 576):
  comm "syz.0.20", pid 5961, jiffies 4294945075
  hex dump (first 32 bytes):
    00 06 00 00 00 00 00 00 18 b9 de 12 81 88 ff ff  ................
    18 50 76 1c 81 88 ff ff f0 e6 e0 12 81 88 ff ff  .Pv.............
  backtrace (crc 8b25af25):
    kmemleak_alloc_recursive include/linux/kmemleak.h:44 [inline]
    slab_post_alloc_hook mm/slub.c:4625 [inline]
    slab_alloc_node mm/slub.c:4945 [inline]
    kmem_cache_alloc_lru_noprof+0x34d/0x430 mm/slub.c:4978
    xas_alloc+0xf1/0x110 lib/xarray.c:378
    xas_create+0x40d/0x8a0 lib/xarray.c:685
    xas_create_range+0xb5/0x1b0 lib/xarray.c:725
    collapse_file+0x20e/0x19d0 mm/khugepaged.c:2282
    collapse_scan_file mm/khugepaged.c:2773 [inline]
    collapse_single_pmd+0xc5b/0x1f60 mm/khugepaged.c:2808
    madvise_collapse+0x1a9/0x440 mm/khugepaged.c:3234
    madvise_vma_behavior+0x9b0/0xf80 mm/madvise.c:1364
    madvise_walk_vmas+0x14f/0x510 mm/madvise.c:1713
    madvise_do_behavior+0xc6/0x2c0 mm/madvise.c:1908
    do_madvise+0x1bc/0x220 mm/madvise.c:2006
    __do_sys_madvise mm/madvise.c:2015 [inline]
    __se_sys_madvise mm/madvise.c:2013 [inline]
    __x64_sys_madvise+0x2c/0x40 mm/madvise.c:2013
    do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
    do_syscall_64+0xf8/0x610 arch/x86/entry/syscall_64.c:94
    entry_SYSCALL_64_after_hwframe+0x77/0x7f

BUG: memory leak
unreferenced object 0xffff888112e0d240 (size 576):
  comm "syz.0.20", pid 5961, jiffies 4294945075
  hex dump (first 32 bytes):
    00 05 00 00 00 00 00 00 18 b9 de 12 81 88 ff ff  ................
    18 50 76 1c 81 88 ff ff 58 d2 e0 12 81 88 ff ff  .Pv.....X.......
  backtrace (crc 4d22f6a1):
    kmemleak_alloc_recursive include/linux/kmemleak.h:44 [inline]
    slab_post_alloc_hook mm/slub.c:4625 [inline]
    slab_alloc_node mm/slub.c:4945 [inline]
    kmem_cache_alloc_lru_noprof+0x34d/0x430 mm/slub.c:4978
    xas_alloc+0xf1/0x110 lib/xarray.c:378
    xas_create+0x40d/0x8a0 lib/xarray.c:685
    xas_create_range+0xb5/0x1b0 lib/xarray.c:725
    collapse_file+0x20e/0x19d0 mm/khugepaged.c:2282
    collapse_scan_file mm/khugepaged.c:2773 [inline]
    collapse_single_pmd+0xc5b/0x1f60 mm/khugepaged.c:2808
    madvise_collapse+0x1a9/0x440 mm/khugepaged.c:3234
    madvise_vma_behavior+0x9b0/0xf80 mm/madvise.c:1364
    madvise_walk_vmas+0x14f/0x510 mm/madvise.c:1713
    madvise_do_behavior+0xc6/0x2c0 mm/madvise.c:1908
    do_madvise+0x1bc/0x220 mm/madvise.c:2006
    __do_sys_madvise mm/madvise.c:2015 [inline]
    __se_sys_madvise mm/madvise.c:2013 [inline]
    __x64_sys_madvise+0x2c/0x40 mm/madvise.c:2013
    do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
    do_syscall_64+0xf8/0x610 arch/x86/entry/syscall_64.c:94
    entry_SYSCALL_64_after_hwframe+0x77/0x7f

BUG: memory leak
unreferenced object 0xffff888112e0d488 (size 576):
  comm "syz.0.20", pid 5961, jiffies 4294945075
  hex dump (first 32 bytes):
    00 04 00 00 00 00 00 00 18 b9 de 12 81 88 ff ff  ................
    18 50 76 1c 81 88 ff ff a0 d4 e0 12 81 88 ff ff  .Pv.............
  backtrace (crc 10c84ed2):
    kmemleak_alloc_recursive include/linux/kmemleak.h:44 [inline]
    slab_post_alloc_hook mm/slub.c:4625 [inline]
    slab_alloc_node mm/slub.c:4945 [inline]
    kmem_cache_alloc_lru_noprof+0x34d/0x430 mm/slub.c:4978
    xas_alloc+0xf1/0x110 lib/xarray.c:378
    xas_create+0x40d/0x8a0 lib/xarray.c:685
    xas_create_range+0xb5/0x1b0 lib/xarray.c:725
    collapse_file+0x20e/0x19d0 mm/khugepaged.c:2282
    collapse_scan_file mm/khugepaged.c:2773 [inline]
    collapse_single_pmd+0xc5b/0x1f60 mm/khugepaged.c:2808
    madvise_collapse+0x1a9/0x440 mm/khugepaged.c:3234
    madvise_vma_behavior+0x9b0/0xf80 mm/madvise.c:1364
    madvise_walk_vmas+0x14f/0x510 mm/madvise.c:1713
    madvise_do_behavior+0xc6/0x2c0 mm/madvise.c:1908
    do_madvise+0x1bc/0x220 mm/madvise.c:2006
    __do_sys_madvise mm/madvise.c:2015 [inline]
    __se_sys_madvise mm/madvise.c:2013 [inline]
    __x64_sys_madvise+0x2c/0x40 mm/madvise.c:2013
    do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
    do_syscall_64+0xf8/0x610 arch/x86/entry/syscall_64.c:94
    entry_SYSCALL_64_after_hwframe+0x77/0x7f

connection error: failed to recv *flatrpc.ExecutorMessageRawT: EOF