Date
July 17, 2025, 11:11 p.m.
| Environment | |
|---|---|
| qemu-arm64 | |
| qemu-x86_64 |
[ 16.618486] ================================================================== [ 16.618839] BUG: KASAN: slab-out-of-bounds in kmalloc_oob_in_memset+0x144/0x2d0 [ 16.619062] Write of size 128 at addr fff00000c6691400 by task kunit_try_catch/170 [ 16.619176] [ 16.619234] CPU: 1 UID: 0 PID: 170 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc6 #1 PREEMPT [ 16.619699] Tainted: [B]=BAD_PAGE, [N]=TEST [ 16.619891] Hardware name: linux,dummy-virt (DT) [ 16.620012] Call trace: [ 16.620079] show_stack+0x20/0x38 (C) [ 16.620164] dump_stack_lvl+0x8c/0xd0 [ 16.620353] print_report+0x118/0x5d0 [ 16.620403] kasan_report+0xdc/0x128 [ 16.620625] kasan_check_range+0x100/0x1a8 [ 16.620901] __asan_memset+0x34/0x78 [ 16.621035] kmalloc_oob_in_memset+0x144/0x2d0 [ 16.621175] kunit_try_run_case+0x170/0x3f0 [ 16.621345] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 16.621398] kthread+0x328/0x630 [ 16.621457] ret_from_fork+0x10/0x20 [ 16.621784] [ 16.621924] Allocated by task 170: [ 16.622037] kasan_save_stack+0x3c/0x68 [ 16.622170] kasan_save_track+0x20/0x40 [ 16.622252] kasan_save_alloc_info+0x40/0x58 [ 16.622373] __kasan_kmalloc+0xd4/0xd8 [ 16.622735] __kmalloc_cache_noprof+0x16c/0x3c0 [ 16.623019] kmalloc_oob_in_memset+0xb0/0x2d0 [ 16.623157] kunit_try_run_case+0x170/0x3f0 [ 16.623304] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 16.623374] kthread+0x328/0x630 [ 16.623669] ret_from_fork+0x10/0x20 [ 16.624053] [ 16.624100] The buggy address belongs to the object at fff00000c6691400 [ 16.624100] which belongs to the cache kmalloc-128 of size 128 [ 16.624173] The buggy address is located 0 bytes inside of [ 16.624173] allocated 120-byte region [fff00000c6691400, fff00000c6691478) [ 16.624231] [ 16.624253] The buggy address belongs to the physical page: [ 16.624484] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x106691 [ 16.624777] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff) [ 16.624967] page_type: f5(slab) [ 16.625103] raw: 0bfffe0000000000 fff00000c0001a00 dead000000000122 0000000000000000 [ 16.625470] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000 [ 16.625612] page dumped because: kasan: bad access detected [ 16.625774] [ 16.626023] Memory state around the buggy address: [ 16.626089] fff00000c6691300: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 16.626242] fff00000c6691380: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 16.626443] >fff00000c6691400: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc [ 16.626541] ^ [ 16.626666] fff00000c6691480: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 16.626807] fff00000c6691500: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 16.627167] ==================================================================
[ 12.307899] ================================================================== [ 12.309218] BUG: KASAN: slab-out-of-bounds in kmalloc_oob_in_memset+0x15f/0x320 [ 12.309483] Write of size 128 at addr ffff8881026a6900 by task kunit_try_catch/187 [ 12.309724] [ 12.309817] CPU: 1 UID: 0 PID: 187 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc6 #1 PREEMPT(voluntary) [ 12.309862] Tainted: [B]=BAD_PAGE, [N]=TEST [ 12.309873] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 12.309896] Call Trace: [ 12.309908] <TASK> [ 12.309926] dump_stack_lvl+0x73/0xb0 [ 12.309955] print_report+0xd1/0x610 [ 12.309976] ? __virt_addr_valid+0x1db/0x2d0 [ 12.309999] ? kmalloc_oob_in_memset+0x15f/0x320 [ 12.310021] ? kasan_complete_mode_report_info+0x2a/0x200 [ 12.310044] ? kmalloc_oob_in_memset+0x15f/0x320 [ 12.310075] kasan_report+0x141/0x180 [ 12.310097] ? kmalloc_oob_in_memset+0x15f/0x320 [ 12.310124] kasan_check_range+0x10c/0x1c0 [ 12.310147] __asan_memset+0x27/0x50 [ 12.310165] kmalloc_oob_in_memset+0x15f/0x320 [ 12.310187] ? __pfx_kmalloc_oob_in_memset+0x10/0x10 [ 12.310209] ? __schedule+0x10cc/0x2b60 [ 12.310238] ? __pfx_read_tsc+0x10/0x10 [ 12.310258] ? ktime_get_ts64+0x86/0x230 [ 12.310282] kunit_try_run_case+0x1a5/0x480 [ 12.310307] ? __pfx_kunit_try_run_case+0x10/0x10 [ 12.310328] ? _raw_spin_lock_irqsave+0xa1/0x100 [ 12.310352] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 12.310374] ? __kthread_parkme+0x82/0x180 [ 12.310394] ? preempt_count_sub+0x50/0x80 [ 12.310418] ? __pfx_kunit_try_run_case+0x10/0x10 [ 12.310441] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 12.310464] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 12.310487] kthread+0x337/0x6f0 [ 12.310505] ? trace_preempt_on+0x20/0xc0 [ 12.310528] ? __pfx_kthread+0x10/0x10 [ 12.310547] ? _raw_spin_unlock_irq+0x47/0x80 [ 12.310567] ? calculate_sigpending+0x7b/0xa0 [ 12.310591] ? __pfx_kthread+0x10/0x10 [ 12.310611] ret_from_fork+0x116/0x1d0 [ 12.310629] ? __pfx_kthread+0x10/0x10 [ 12.310648] ret_from_fork_asm+0x1a/0x30 [ 12.310727] </TASK> [ 12.310737] [ 12.323470] Allocated by task 187: [ 12.323907] kasan_save_stack+0x45/0x70 [ 12.324384] kasan_save_track+0x18/0x40 [ 12.324789] kasan_save_alloc_info+0x3b/0x50 [ 12.325424] __kasan_kmalloc+0xb7/0xc0 [ 12.325845] __kmalloc_cache_noprof+0x189/0x420 [ 12.326361] kmalloc_oob_in_memset+0xac/0x320 [ 12.326844] kunit_try_run_case+0x1a5/0x480 [ 12.327199] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 12.327381] kthread+0x337/0x6f0 [ 12.327499] ret_from_fork+0x116/0x1d0 [ 12.327791] ret_from_fork_asm+0x1a/0x30 [ 12.328254] [ 12.328454] The buggy address belongs to the object at ffff8881026a6900 [ 12.328454] which belongs to the cache kmalloc-128 of size 128 [ 12.329843] The buggy address is located 0 bytes inside of [ 12.329843] allocated 120-byte region [ffff8881026a6900, ffff8881026a6978) [ 12.330576] [ 12.330654] The buggy address belongs to the physical page: [ 12.330839] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1026a6 [ 12.331808] flags: 0x200000000000000(node=0|zone=2) [ 12.332449] page_type: f5(slab) [ 12.332799] raw: 0200000000000000 ffff888100041a00 dead000000000122 0000000000000000 [ 12.333446] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000 [ 12.333693] page dumped because: kasan: bad access detected [ 12.333942] [ 12.334116] Memory state around the buggy address: [ 12.334551] ffff8881026a6800: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 12.335254] ffff8881026a6880: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 12.335786] >ffff8881026a6900: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc [ 12.336601] ^ [ 12.336878] ffff8881026a6980: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 12.337494] ffff8881026a6a00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 12.338263] ==================================================================