Date
June 23, 2025, 7:07 a.m.
| Environment | |
|---|---|
| qemu-arm64 | |
| qemu-x86_64 |
[ 32.823647] ================================================================== [ 32.823775] BUG: KASAN: slab-out-of-bounds in kmalloc_oob_16+0x3a0/0x3f8 [ 32.823892] Write of size 16 at addr fff00000c56f12a0 by task kunit_try_catch/178 [ 32.824012] [ 32.824101] CPU: 1 UID: 0 PID: 178 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc3-next-20250623 #1 PREEMPT [ 32.824289] Tainted: [B]=BAD_PAGE, [N]=TEST [ 32.824348] Hardware name: linux,dummy-virt (DT) [ 32.824417] Call trace: [ 32.825341] show_stack+0x20/0x38 (C) [ 32.825571] dump_stack_lvl+0x8c/0xd0 [ 32.826660] print_report+0x118/0x608 [ 32.826728] kasan_report+0xdc/0x128 [ 32.826831] __asan_report_store16_noabort+0x20/0x30 [ 32.826964] kmalloc_oob_16+0x3a0/0x3f8 [ 32.827388] kunit_try_run_case+0x170/0x3f0 [ 32.827526] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 32.827828] kthread+0x328/0x630 [ 32.828002] ret_from_fork+0x10/0x20 [ 32.828205] [ 32.828338] Allocated by task 178: [ 32.828614] kasan_save_stack+0x3c/0x68 [ 32.828718] kasan_save_track+0x20/0x40 [ 32.829430] kasan_save_alloc_info+0x40/0x58 [ 32.829528] __kasan_kmalloc+0xd4/0xd8 [ 32.830153] __kmalloc_cache_noprof+0x16c/0x3c0 [ 32.830289] kmalloc_oob_16+0xb4/0x3f8 [ 32.830699] kunit_try_run_case+0x170/0x3f0 [ 32.831152] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 32.831737] kthread+0x328/0x630 [ 32.831870] ret_from_fork+0x10/0x20 [ 32.832185] [ 32.832235] The buggy address belongs to the object at fff00000c56f12a0 [ 32.832235] which belongs to the cache kmalloc-16 of size 16 [ 32.832360] The buggy address is located 0 bytes inside of [ 32.832360] allocated 13-byte region [fff00000c56f12a0, fff00000c56f12ad) [ 32.833536] [ 32.833597] The buggy address belongs to the physical page: [ 32.833664] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1056f1 [ 32.833781] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff) [ 32.833889] page_type: f5(slab) [ 32.833976] raw: 0bfffe0000000000 fff00000c0001640 dead000000000100 dead000000000122 [ 32.834107] raw: 0000000000000000 0000000080800080 00000000f5000000 0000000000000000 [ 32.834198] page dumped because: kasan: bad access detected [ 32.834268] [ 32.834312] Memory state around the buggy address: [ 32.834381] fff00000c56f1180: fa fb fc fc 00 00 fc fc fa fb fc fc fa fb fc fc [ 32.834476] fff00000c56f1200: fa fb fc fc fa fb fc fc fa fb fc fc fa fb fc fc [ 32.835649] >fff00000c56f1280: fa fb fc fc 00 05 fc fc 00 00 fc fc fc fc fc fc [ 32.835732] ^ [ 32.835814] fff00000c56f1300: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 32.835941] fff00000c56f1380: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 32.836080] ==================================================================
[ 21.742418] ================================================================== [ 21.742867] BUG: KASAN: slab-out-of-bounds in kmalloc_oob_16+0x452/0x4a0 [ 21.743395] Write of size 16 at addr ffff888102370280 by task kunit_try_catch/195 [ 21.743750] [ 21.744173] CPU: 0 UID: 0 PID: 195 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc3-next-20250623 #1 PREEMPT(voluntary) [ 21.744261] Tainted: [B]=BAD_PAGE, [N]=TEST [ 21.744283] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 21.744315] Call Trace: [ 21.744339] <TASK> [ 21.744364] dump_stack_lvl+0x73/0xb0 [ 21.744439] print_report+0xd1/0x650 [ 21.744477] ? __virt_addr_valid+0x1db/0x2d0 [ 21.744533] ? kmalloc_oob_16+0x452/0x4a0 [ 21.744570] ? kasan_complete_mode_report_info+0x2a/0x200 [ 21.744614] ? kmalloc_oob_16+0x452/0x4a0 [ 21.744652] kasan_report+0x141/0x180 [ 21.744691] ? kmalloc_oob_16+0x452/0x4a0 [ 21.744736] __asan_report_store16_noabort+0x1b/0x30 [ 21.744773] kmalloc_oob_16+0x452/0x4a0 [ 21.744800] ? __pfx_kmalloc_oob_16+0x10/0x10 [ 21.744825] ? __schedule+0x10cc/0x2b60 [ 21.744872] ? __pfx_read_tsc+0x10/0x10 [ 21.744892] ? ktime_get_ts64+0x86/0x230 [ 21.744914] kunit_try_run_case+0x1a5/0x480 [ 21.744936] ? __pfx_kunit_try_run_case+0x10/0x10 [ 21.744955] ? _raw_spin_lock_irqsave+0xa1/0x100 [ 21.744974] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 21.744993] ? __kthread_parkme+0x82/0x180 [ 21.745010] ? preempt_count_sub+0x50/0x80 [ 21.745031] ? __pfx_kunit_try_run_case+0x10/0x10 [ 21.745051] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 21.745074] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 21.745131] kthread+0x337/0x6f0 [ 21.745162] ? trace_preempt_on+0x20/0xc0 [ 21.745195] ? __pfx_kthread+0x10/0x10 [ 21.745214] ? _raw_spin_unlock_irq+0x47/0x80 [ 21.745232] ? calculate_sigpending+0x7b/0xa0 [ 21.745252] ? __pfx_kthread+0x10/0x10 [ 21.745270] ret_from_fork+0x116/0x1d0 [ 21.745286] ? __pfx_kthread+0x10/0x10 [ 21.745303] ret_from_fork_asm+0x1a/0x30 [ 21.745330] </TASK> [ 21.745340] [ 21.755694] Allocated by task 195: [ 21.755967] kasan_save_stack+0x45/0x70 [ 21.756273] kasan_save_track+0x18/0x40 [ 21.756628] kasan_save_alloc_info+0x3b/0x50 [ 21.756998] __kasan_kmalloc+0xb7/0xc0 [ 21.757705] __kmalloc_cache_noprof+0x189/0x420 [ 21.758090] kmalloc_oob_16+0xa8/0x4a0 [ 21.758403] kunit_try_run_case+0x1a5/0x480 [ 21.758867] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 21.759516] kthread+0x337/0x6f0 [ 21.759740] ret_from_fork+0x116/0x1d0 [ 21.759935] ret_from_fork_asm+0x1a/0x30 [ 21.760452] [ 21.760612] The buggy address belongs to the object at ffff888102370280 [ 21.760612] which belongs to the cache kmalloc-16 of size 16 [ 21.761687] The buggy address is located 0 bytes inside of [ 21.761687] allocated 13-byte region [ffff888102370280, ffff88810237028d) [ 21.762553] [ 21.762792] The buggy address belongs to the physical page: [ 21.763340] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x102370 [ 21.763788] flags: 0x200000000000000(node=0|zone=2) [ 21.764062] page_type: f5(slab) [ 21.764312] raw: 0200000000000000 ffff888100041640 dead000000000122 0000000000000000 [ 21.764678] raw: 0000000000000000 0000000080800080 00000000f5000000 0000000000000000 [ 21.764930] page dumped because: kasan: bad access detected [ 21.765285] [ 21.765819] Memory state around the buggy address: [ 21.766414] ffff888102370180: 00 05 fc fc 00 00 fc fc 00 06 fc fc 00 06 fc fc [ 21.766976] ffff888102370200: 00 00 fc fc fa fb fc fc 00 04 fc fc fa fb fc fc [ 21.767706] >ffff888102370280: 00 05 fc fc 00 00 fc fc fc fc fc fc fc fc fc fc [ 21.768290] ^ [ 21.768442] ffff888102370300: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 21.768993] ffff888102370380: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 21.769619] ==================================================================