Date
July 24, 2025, 4:41 a.m.
| Environment | |
|---|---|
| qemu-arm64 | |
| qemu-x86_64 |
[ 32.572307] ================================================================== [ 32.572385] BUG: KASAN: slab-out-of-bounds in kmalloc_oob_memset_16+0x150/0x2f8 [ 32.572448] Write of size 16 at addr fff00000c9a8b469 by task kunit_try_catch/209 [ 32.572501] [ 32.572682] CPU: 0 UID: 0 PID: 209 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc7-next-20250724 #1 PREEMPT [ 32.572909] Tainted: [B]=BAD_PAGE, [N]=TEST [ 32.572948] Hardware name: linux,dummy-virt (DT) [ 32.572982] Call trace: [ 32.573007] show_stack+0x20/0x38 (C) [ 32.573058] dump_stack_lvl+0x8c/0xd0 [ 32.573104] print_report+0x118/0x5e8 [ 32.573406] kasan_report+0xdc/0x128 [ 32.573554] kasan_check_range+0x100/0x1a8 [ 32.573630] __asan_memset+0x34/0x78 [ 32.573674] kmalloc_oob_memset_16+0x150/0x2f8 [ 32.573728] kunit_try_run_case+0x170/0x3f0 [ 32.574071] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 32.574231] kthread+0x328/0x630 [ 32.574307] ret_from_fork+0x10/0x20 [ 32.574359] [ 32.574471] Allocated by task 209: [ 32.574508] kasan_save_stack+0x3c/0x68 [ 32.574551] kasan_save_track+0x20/0x40 [ 32.574602] kasan_save_alloc_info+0x40/0x58 [ 32.574643] __kasan_kmalloc+0xd4/0xd8 [ 32.574679] __kmalloc_cache_noprof+0x16c/0x3c0 [ 32.574720] kmalloc_oob_memset_16+0xb0/0x2f8 [ 32.575095] kunit_try_run_case+0x170/0x3f0 [ 32.576036] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 32.576116] kthread+0x328/0x630 [ 32.576182] ret_from_fork+0x10/0x20 [ 32.576323] [ 32.576347] The buggy address belongs to the object at fff00000c9a8b400 [ 32.576347] which belongs to the cache kmalloc-128 of size 128 [ 32.576452] The buggy address is located 105 bytes inside of [ 32.576452] allocated 120-byte region [fff00000c9a8b400, fff00000c9a8b478) [ 32.576565] [ 32.576819] The buggy address belongs to the physical page: [ 32.577030] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x109a8b [ 32.577112] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff) [ 32.577670] page_type: f5(slab) [ 32.577901] raw: 0bfffe0000000000 fff00000c0001a00 dead000000000122 0000000000000000 [ 32.577999] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000 [ 32.578097] page dumped because: kasan: bad access detected [ 32.578240] [ 32.578289] Memory state around the buggy address: [ 32.578343] fff00000c9a8b300: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 32.578581] fff00000c9a8b380: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 32.578962] >fff00000c9a8b400: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc [ 32.579150] ^ [ 32.579312] fff00000c9a8b480: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 32.579395] fff00000c9a8b500: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 32.579478] ==================================================================
[ 27.015105] ================================================================== [ 27.015567] BUG: KASAN: slab-out-of-bounds in kmalloc_oob_memset_16+0x166/0x330 [ 27.016177] Write of size 16 at addr ffff888104c4a869 by task kunit_try_catch/226 [ 27.016482] [ 27.016599] CPU: 1 UID: 0 PID: 226 Comm: kunit_try_catch Tainted: G B W N 6.16.0-rc7-next-20250724 #1 PREEMPT(voluntary) [ 27.016657] Tainted: [B]=BAD_PAGE, [W]=WARN, [N]=TEST [ 27.016670] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 27.016692] Call Trace: [ 27.016705] <TASK> [ 27.016726] dump_stack_lvl+0x73/0xb0 [ 27.016760] print_report+0xd1/0x640 [ 27.016783] ? __virt_addr_valid+0x1db/0x2d0 [ 27.016821] ? kmalloc_oob_memset_16+0x166/0x330 [ 27.016842] ? kasan_complete_mode_report_info+0x2a/0x200 [ 27.016867] ? kmalloc_oob_memset_16+0x166/0x330 [ 27.016888] kasan_report+0x141/0x180 [ 27.016909] ? kmalloc_oob_memset_16+0x166/0x330 [ 27.016945] kasan_check_range+0x10c/0x1c0 [ 27.016968] __asan_memset+0x27/0x50 [ 27.016991] kmalloc_oob_memset_16+0x166/0x330 [ 27.017013] ? __pfx_kmalloc_oob_memset_16+0x10/0x10 [ 27.017035] ? __schedule+0x10da/0x2b60 [ 27.017060] ? __pfx_read_tsc+0x10/0x10 [ 27.017081] ? ktime_get_ts64+0x86/0x230 [ 27.017107] kunit_try_run_case+0x1a5/0x480 [ 27.017133] ? __pfx_kunit_try_run_case+0x10/0x10 [ 27.017154] ? _raw_spin_lock_irqsave+0xa1/0x100 [ 27.017178] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 27.017202] ? __kthread_parkme+0x82/0x180 [ 27.017223] ? preempt_count_sub+0x50/0x80 [ 27.017246] ? __pfx_kunit_try_run_case+0x10/0x10 [ 27.017269] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 27.017292] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 27.017314] kthread+0x337/0x6f0 [ 27.017334] ? trace_preempt_on+0x20/0xc0 [ 27.017358] ? __pfx_kthread+0x10/0x10 [ 27.017377] ? _raw_spin_unlock_irq+0x47/0x80 [ 27.017400] ? calculate_sigpending+0x7b/0xa0 [ 27.017423] ? __pfx_kthread+0x10/0x10 [ 27.017443] ret_from_fork+0x116/0x1d0 [ 27.017463] ? __pfx_kthread+0x10/0x10 [ 27.017482] ret_from_fork_asm+0x1a/0x30 [ 27.017514] </TASK> [ 27.017525] [ 27.026862] Allocated by task 226: [ 27.027410] kasan_save_stack+0x45/0x70 [ 27.027639] kasan_save_track+0x18/0x40 [ 27.027837] kasan_save_alloc_info+0x3b/0x50 [ 27.028088] __kasan_kmalloc+0xb7/0xc0 [ 27.028253] __kmalloc_cache_noprof+0x189/0x420 [ 27.028458] kmalloc_oob_memset_16+0xac/0x330 [ 27.028675] kunit_try_run_case+0x1a5/0x480 [ 27.028876] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 27.029557] kthread+0x337/0x6f0 [ 27.029698] ret_from_fork+0x116/0x1d0 [ 27.030027] ret_from_fork_asm+0x1a/0x30 [ 27.030369] [ 27.030451] The buggy address belongs to the object at ffff888104c4a800 [ 27.030451] which belongs to the cache kmalloc-128 of size 128 [ 27.031040] The buggy address is located 105 bytes inside of [ 27.031040] allocated 120-byte region [ffff888104c4a800, ffff888104c4a878) [ 27.031584] [ 27.031658] The buggy address belongs to the physical page: [ 27.032024] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x104c4a [ 27.032339] flags: 0x200000000000000(node=0|zone=2) [ 27.032555] page_type: f5(slab) [ 27.032714] raw: 0200000000000000 ffff888100041a00 dead000000000122 0000000000000000 [ 27.033571] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000 [ 27.033936] page dumped because: kasan: bad access detected [ 27.034220] [ 27.034292] Memory state around the buggy address: [ 27.034507] ffff888104c4a700: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 27.034839] ffff888104c4a780: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 27.035174] >ffff888104c4a800: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc [ 27.035469] ^ [ 27.035766] ffff888104c4a880: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 27.036139] ffff888104c4a900: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 27.036424] ==================================================================