Date
June 20, 2025, 12:38 p.m.
| Environment | |
|---|---|
| qemu-arm64 | |
| qemu-x86_64 |
[ 32.070623] ================================================================== [ 32.071382] BUG: KASAN: slab-out-of-bounds in kmalloc_oob_memset_16+0x150/0x2f8 [ 32.071575] Write of size 16 at addr fff00000c44df969 by task kunit_try_catch/189 [ 32.071719] [ 32.071814] CPU: 1 UID: 0 PID: 189 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc2-next-20250620 #1 PREEMPT [ 32.072037] Tainted: [B]=BAD_PAGE, [N]=TEST [ 32.072107] Hardware name: linux,dummy-virt (DT) [ 32.072189] Call trace: [ 32.072249] show_stack+0x20/0x38 (C) [ 32.073260] dump_stack_lvl+0x8c/0xd0 [ 32.074082] print_report+0x118/0x608 [ 32.074472] kasan_report+0xdc/0x128 [ 32.075008] kasan_check_range+0x100/0x1a8 [ 32.075336] __asan_memset+0x34/0x78 [ 32.075459] kmalloc_oob_memset_16+0x150/0x2f8 [ 32.076029] kunit_try_run_case+0x170/0x3f0 [ 32.076470] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 32.076732] kthread+0x328/0x630 [ 32.076817] ret_from_fork+0x10/0x20 [ 32.076907] [ 32.076945] Allocated by task 189: [ 32.077011] kasan_save_stack+0x3c/0x68 [ 32.077112] kasan_save_track+0x20/0x40 [ 32.078108] kasan_save_alloc_info+0x40/0x58 [ 32.078236] __kasan_kmalloc+0xd4/0xd8 [ 32.078647] __kmalloc_cache_noprof+0x16c/0x3c0 [ 32.079009] kmalloc_oob_memset_16+0xb0/0x2f8 [ 32.079375] kunit_try_run_case+0x170/0x3f0 [ 32.079490] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 32.079773] kthread+0x328/0x630 [ 32.080086] ret_from_fork+0x10/0x20 [ 32.080419] [ 32.080729] The buggy address belongs to the object at fff00000c44df900 [ 32.080729] which belongs to the cache kmalloc-128 of size 128 [ 32.081176] The buggy address is located 105 bytes inside of [ 32.081176] allocated 120-byte region [fff00000c44df900, fff00000c44df978) [ 32.081588] [ 32.081682] The buggy address belongs to the physical page: [ 32.081787] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1044df [ 32.082128] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff) [ 32.082232] page_type: f5(slab) [ 32.082664] raw: 0bfffe0000000000 fff00000c0001a00 dead000000000122 0000000000000000 [ 32.082890] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000 [ 32.083039] page dumped because: kasan: bad access detected [ 32.083150] [ 32.083350] Memory state around the buggy address: [ 32.083547] fff00000c44df800: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 32.083675] fff00000c44df880: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 32.084050] >fff00000c44df900: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc [ 32.084354] ^ [ 32.084477] fff00000c44df980: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 32.084814] fff00000c44dfa00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 32.084897] ==================================================================
[ 25.759239] ================================================================== [ 25.759713] BUG: KASAN: slab-out-of-bounds in kmalloc_oob_memset_16+0x166/0x330 [ 25.760384] Write of size 16 at addr ffff88810232a069 by task kunit_try_catch/207 [ 25.760741] [ 25.760881] CPU: 0 UID: 0 PID: 207 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc2-next-20250620 #1 PREEMPT(voluntary) [ 25.760971] Tainted: [B]=BAD_PAGE, [N]=TEST [ 25.760993] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 25.761031] Call Trace: [ 25.761056] <TASK> [ 25.761087] dump_stack_lvl+0x73/0xb0 [ 25.761149] print_report+0xd1/0x650 [ 25.761187] ? __virt_addr_valid+0x1db/0x2d0 [ 25.761225] ? kmalloc_oob_memset_16+0x166/0x330 [ 25.761261] ? kasan_complete_mode_report_info+0x2a/0x200 [ 25.761305] ? kmalloc_oob_memset_16+0x166/0x330 [ 25.761349] kasan_report+0x141/0x180 [ 25.761393] ? kmalloc_oob_memset_16+0x166/0x330 [ 25.762202] kasan_check_range+0x10c/0x1c0 [ 25.762310] __asan_memset+0x27/0x50 [ 25.762357] kmalloc_oob_memset_16+0x166/0x330 [ 25.762408] ? __pfx_kmalloc_oob_memset_16+0x10/0x10 [ 25.762468] ? __schedule+0x10cc/0x2b60 [ 25.762503] ? __pfx_read_tsc+0x10/0x10 [ 25.762541] ? ktime_get_ts64+0x86/0x230 [ 25.762571] kunit_try_run_case+0x1a5/0x480 [ 25.762599] ? __pfx_kunit_try_run_case+0x10/0x10 [ 25.762623] ? _raw_spin_lock_irqsave+0xa1/0x100 [ 25.762647] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 25.762671] ? __kthread_parkme+0x82/0x180 [ 25.762694] ? preempt_count_sub+0x50/0x80 [ 25.762720] ? __pfx_kunit_try_run_case+0x10/0x10 [ 25.762745] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 25.762770] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 25.762794] kthread+0x337/0x6f0 [ 25.762815] ? trace_preempt_on+0x20/0xc0 [ 25.762840] ? __pfx_kthread+0x10/0x10 [ 25.762862] ? _raw_spin_unlock_irq+0x47/0x80 [ 25.762885] ? calculate_sigpending+0x7b/0xa0 [ 25.762911] ? __pfx_kthread+0x10/0x10 [ 25.762934] ret_from_fork+0x116/0x1d0 [ 25.762954] ? __pfx_kthread+0x10/0x10 [ 25.762976] ret_from_fork_asm+0x1a/0x30 [ 25.763008] </TASK> [ 25.763022] [ 25.774002] Allocated by task 207: [ 25.774262] kasan_save_stack+0x45/0x70 [ 25.774649] kasan_save_track+0x18/0x40 [ 25.774975] kasan_save_alloc_info+0x3b/0x50 [ 25.775309] __kasan_kmalloc+0xb7/0xc0 [ 25.775688] __kmalloc_cache_noprof+0x189/0x420 [ 25.776092] kmalloc_oob_memset_16+0xac/0x330 [ 25.776510] kunit_try_run_case+0x1a5/0x480 [ 25.776817] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 25.777209] kthread+0x337/0x6f0 [ 25.777379] ret_from_fork+0x116/0x1d0 [ 25.777728] ret_from_fork_asm+0x1a/0x30 [ 25.778078] [ 25.778293] The buggy address belongs to the object at ffff88810232a000 [ 25.778293] which belongs to the cache kmalloc-128 of size 128 [ 25.778793] The buggy address is located 105 bytes inside of [ 25.778793] allocated 120-byte region [ffff88810232a000, ffff88810232a078) [ 25.779390] [ 25.779599] The buggy address belongs to the physical page: [ 25.779938] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x10232a [ 25.780381] flags: 0x200000000000000(node=0|zone=2) [ 25.780856] page_type: f5(slab) [ 25.781242] raw: 0200000000000000 ffff888100041a00 dead000000000122 0000000000000000 [ 25.781911] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000 [ 25.782503] page dumped because: kasan: bad access detected [ 25.782693] [ 25.782788] Memory state around the buggy address: [ 25.783226] ffff888102329f00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 25.783668] ffff888102329f80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 25.784074] >ffff88810232a000: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc [ 25.784576] ^ [ 25.785012] ffff88810232a080: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 25.785497] ffff88810232a100: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 25.785814] ==================================================================