Date
July 23, 2025, 2:10 a.m.
| Environment | |
|---|---|
| qemu-arm64 | |
| qemu-x86_64 |
[ 15.402620] ================================================================== [ 15.402713] BUG: KASAN: slab-out-of-bounds in kmalloc_oob_in_memset+0x144/0x2d0 [ 15.403218] Write of size 128 at addr fff00000c3f39400 by task kunit_try_catch/170 [ 15.403319] [ 15.403485] CPU: 1 UID: 0 PID: 170 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc7 #1 PREEMPT [ 15.403598] Tainted: [B]=BAD_PAGE, [N]=TEST [ 15.403676] Hardware name: linux,dummy-virt (DT) [ 15.403765] Call trace: [ 15.403891] show_stack+0x20/0x38 (C) [ 15.404122] dump_stack_lvl+0x8c/0xd0 [ 15.404242] print_report+0x118/0x5d0 [ 15.404449] kasan_report+0xdc/0x128 [ 15.404557] kasan_check_range+0x100/0x1a8 [ 15.404688] __asan_memset+0x34/0x78 [ 15.404832] kmalloc_oob_in_memset+0x144/0x2d0 [ 15.404936] kunit_try_run_case+0x170/0x3f0 [ 15.405142] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 15.405408] kthread+0x328/0x630 [ 15.405533] ret_from_fork+0x10/0x20 [ 15.406233] [ 15.406319] Allocated by task 170: [ 15.406400] kasan_save_stack+0x3c/0x68 [ 15.406482] kasan_save_track+0x20/0x40 [ 15.406661] kasan_save_alloc_info+0x40/0x58 [ 15.406881] __kasan_kmalloc+0xd4/0xd8 [ 15.406944] __kmalloc_cache_noprof+0x16c/0x3c0 [ 15.407063] kmalloc_oob_in_memset+0xb0/0x2d0 [ 15.407173] kunit_try_run_case+0x170/0x3f0 [ 15.407341] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 15.407408] kthread+0x328/0x630 [ 15.407469] ret_from_fork+0x10/0x20 [ 15.407505] [ 15.407688] The buggy address belongs to the object at fff00000c3f39400 [ 15.407688] which belongs to the cache kmalloc-128 of size 128 [ 15.407917] The buggy address is located 0 bytes inside of [ 15.407917] allocated 120-byte region [fff00000c3f39400, fff00000c3f39478) [ 15.408092] [ 15.408143] The buggy address belongs to the physical page: [ 15.408211] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x103f39 [ 15.408360] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff) [ 15.408448] page_type: f5(slab) [ 15.408700] raw: 0bfffe0000000000 fff00000c0001a00 dead000000000122 0000000000000000 [ 15.408903] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000 [ 15.409021] page dumped because: kasan: bad access detected [ 15.409121] [ 15.409339] Memory state around the buggy address: [ 15.409646] fff00000c3f39300: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 15.409698] fff00000c3f39380: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 15.409973] >fff00000c3f39400: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc [ 15.410174] ^ [ 15.410268] fff00000c3f39480: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 15.410360] fff00000c3f39500: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 15.410513] ==================================================================
[ 12.668573] ================================================================== [ 12.669068] BUG: KASAN: slab-out-of-bounds in kmalloc_oob_in_memset+0x15f/0x320 [ 12.669542] Write of size 128 at addr ffff8881025bdf00 by task kunit_try_catch/187 [ 12.669872] [ 12.669985] CPU: 1 UID: 0 PID: 187 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc7 #1 PREEMPT(voluntary) [ 12.670029] Tainted: [B]=BAD_PAGE, [N]=TEST [ 12.670040] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 12.670061] Call Trace: [ 12.670072] <TASK> [ 12.670086] dump_stack_lvl+0x73/0xb0 [ 12.670116] print_report+0xd1/0x610 [ 12.670157] ? __virt_addr_valid+0x1db/0x2d0 [ 12.670179] ? kmalloc_oob_in_memset+0x15f/0x320 [ 12.670200] ? kasan_complete_mode_report_info+0x2a/0x200 [ 12.670221] ? kmalloc_oob_in_memset+0x15f/0x320 [ 12.670242] kasan_report+0x141/0x180 [ 12.670317] ? kmalloc_oob_in_memset+0x15f/0x320 [ 12.670365] kasan_check_range+0x10c/0x1c0 [ 12.670388] __asan_memset+0x27/0x50 [ 12.670407] kmalloc_oob_in_memset+0x15f/0x320 [ 12.670428] ? __pfx_kmalloc_oob_in_memset+0x10/0x10 [ 12.670451] ? __schedule+0x10c6/0x2b60 [ 12.670473] ? __pfx_read_tsc+0x10/0x10 [ 12.670492] ? ktime_get_ts64+0x86/0x230 [ 12.670516] kunit_try_run_case+0x1a5/0x480 [ 12.670539] ? __pfx_kunit_try_run_case+0x10/0x10 [ 12.670561] ? _raw_spin_lock_irqsave+0xa1/0x100 [ 12.670584] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 12.670624] ? __kthread_parkme+0x82/0x180 [ 12.670645] ? preempt_count_sub+0x50/0x80 [ 12.670668] ? __pfx_kunit_try_run_case+0x10/0x10 [ 12.670707] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 12.670730] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 12.670752] kthread+0x337/0x6f0 [ 12.670772] ? trace_preempt_on+0x20/0xc0 [ 12.670794] ? __pfx_kthread+0x10/0x10 [ 12.670826] ? _raw_spin_unlock_irq+0x47/0x80 [ 12.670847] ? calculate_sigpending+0x7b/0xa0 [ 12.670870] ? __pfx_kthread+0x10/0x10 [ 12.670891] ret_from_fork+0x116/0x1d0 [ 12.670908] ? __pfx_kthread+0x10/0x10 [ 12.670928] ret_from_fork_asm+0x1a/0x30 [ 12.670957] </TASK> [ 12.670967] [ 12.679082] Allocated by task 187: [ 12.679390] kasan_save_stack+0x45/0x70 [ 12.679595] kasan_save_track+0x18/0x40 [ 12.679782] kasan_save_alloc_info+0x3b/0x50 [ 12.679964] __kasan_kmalloc+0xb7/0xc0 [ 12.680105] __kmalloc_cache_noprof+0x189/0x420 [ 12.680655] kmalloc_oob_in_memset+0xac/0x320 [ 12.680881] kunit_try_run_case+0x1a5/0x480 [ 12.681026] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 12.681565] kthread+0x337/0x6f0 [ 12.681764] ret_from_fork+0x116/0x1d0 [ 12.681966] ret_from_fork_asm+0x1a/0x30 [ 12.682176] [ 12.682270] The buggy address belongs to the object at ffff8881025bdf00 [ 12.682270] which belongs to the cache kmalloc-128 of size 128 [ 12.683008] The buggy address is located 0 bytes inside of [ 12.683008] allocated 120-byte region [ffff8881025bdf00, ffff8881025bdf78) [ 12.683533] [ 12.683628] The buggy address belongs to the physical page: [ 12.683896] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1025bd [ 12.684238] flags: 0x200000000000000(node=0|zone=2) [ 12.684410] page_type: f5(slab) [ 12.684528] raw: 0200000000000000 ffff888100041a00 dead000000000122 0000000000000000 [ 12.685081] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000 [ 12.685613] page dumped because: kasan: bad access detected [ 12.685942] [ 12.686060] Memory state around the buggy address: [ 12.686693] ffff8881025bde00: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 12.686955] ffff8881025bde80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 12.687996] >ffff8881025bdf00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc [ 12.688239] ^ [ 12.688658] ffff8881025bdf80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 12.689124] ffff8881025be000: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 12.689607] ==================================================================