Date
July 1, 2025, 12:10 a.m.
| Environment | |
|---|---|
| qemu-arm64 | |
| qemu-x86_64 |
[ 17.424944] ================================================================== [ 17.425151] BUG: KASAN: slab-out-of-bounds in kmalloc_oob_in_memset+0x144/0x2d0 [ 17.425278] Write of size 128 at addr fff00000c7800200 by task kunit_try_catch/170 [ 17.425331] [ 17.425578] CPU: 1 UID: 0 PID: 170 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc4 #1 PREEMPT [ 17.425677] Tainted: [B]=BAD_PAGE, [N]=TEST [ 17.425704] Hardware name: linux,dummy-virt (DT) [ 17.426068] Call trace: [ 17.426210] show_stack+0x20/0x38 (C) [ 17.426549] dump_stack_lvl+0x8c/0xd0 [ 17.426773] print_report+0x118/0x608 [ 17.427151] kasan_report+0xdc/0x128 [ 17.427385] kasan_check_range+0x100/0x1a8 [ 17.427517] __asan_memset+0x34/0x78 [ 17.427703] kmalloc_oob_in_memset+0x144/0x2d0 [ 17.428124] kunit_try_run_case+0x170/0x3f0 [ 17.428385] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 17.428623] kthread+0x328/0x630 [ 17.428880] ret_from_fork+0x10/0x20 [ 17.429261] [ 17.429499] Allocated by task 170: [ 17.429673] kasan_save_stack+0x3c/0x68 [ 17.429997] kasan_save_track+0x20/0x40 [ 17.430258] kasan_save_alloc_info+0x40/0x58 [ 17.430536] __kasan_kmalloc+0xd4/0xd8 [ 17.431038] __kmalloc_cache_noprof+0x16c/0x3c0 [ 17.431241] kmalloc_oob_in_memset+0xb0/0x2d0 [ 17.431283] kunit_try_run_case+0x170/0x3f0 [ 17.431476] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 17.431587] kthread+0x328/0x630 [ 17.431762] ret_from_fork+0x10/0x20 [ 17.432080] [ 17.432198] The buggy address belongs to the object at fff00000c7800200 [ 17.432198] which belongs to the cache kmalloc-128 of size 128 [ 17.432266] The buggy address is located 0 bytes inside of [ 17.432266] allocated 120-byte region [fff00000c7800200, fff00000c7800278) [ 17.432510] [ 17.432606] The buggy address belongs to the physical page: [ 17.432754] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x107800 [ 17.432825] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff) [ 17.432879] page_type: f5(slab) [ 17.432932] raw: 0bfffe0000000000 fff00000c0001a00 dead000000000122 0000000000000000 [ 17.432982] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000 [ 17.433041] page dumped because: kasan: bad access detected [ 17.433081] [ 17.433099] Memory state around the buggy address: [ 17.433150] fff00000c7800100: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 17.433202] fff00000c7800180: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 17.433261] >fff00000c7800200: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc [ 17.433309] ^ [ 17.433351] fff00000c7800280: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 17.433394] fff00000c7800300: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 17.433809] ==================================================================
[ 11.512420] ================================================================== [ 11.512998] BUG: KASAN: slab-out-of-bounds in kmalloc_oob_in_memset+0x15f/0x320 [ 11.513405] Write of size 128 at addr ffff888102cbbe00 by task kunit_try_catch/187 [ 11.513961] [ 11.514098] CPU: 1 UID: 0 PID: 187 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc4 #1 PREEMPT(voluntary) [ 11.514143] Tainted: [B]=BAD_PAGE, [N]=TEST [ 11.514155] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 11.514174] Call Trace: [ 11.514185] <TASK> [ 11.514200] dump_stack_lvl+0x73/0xb0 [ 11.514228] print_report+0xd1/0x650 [ 11.514250] ? __virt_addr_valid+0x1db/0x2d0 [ 11.514273] ? kmalloc_oob_in_memset+0x15f/0x320 [ 11.514293] ? kasan_complete_mode_report_info+0x2a/0x200 [ 11.514542] ? kmalloc_oob_in_memset+0x15f/0x320 [ 11.514571] kasan_report+0x141/0x180 [ 11.514593] ? kmalloc_oob_in_memset+0x15f/0x320 [ 11.514619] kasan_check_range+0x10c/0x1c0 [ 11.514641] __asan_memset+0x27/0x50 [ 11.514660] kmalloc_oob_in_memset+0x15f/0x320 [ 11.514681] ? __pfx_kmalloc_oob_in_memset+0x10/0x10 [ 11.514702] ? __schedule+0x10cc/0x2b60 [ 11.514723] ? __pfx_read_tsc+0x10/0x10 [ 11.514743] ? ktime_get_ts64+0x86/0x230 [ 11.514767] kunit_try_run_case+0x1a5/0x480 [ 11.514790] ? __pfx_kunit_try_run_case+0x10/0x10 [ 11.514811] ? _raw_spin_lock_irqsave+0xa1/0x100 [ 11.514832] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 11.514853] ? __kthread_parkme+0x82/0x180 [ 11.514873] ? preempt_count_sub+0x50/0x80 [ 11.514896] ? __pfx_kunit_try_run_case+0x10/0x10 [ 11.514918] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 11.514939] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 11.514960] kthread+0x337/0x6f0 [ 11.514978] ? trace_preempt_on+0x20/0xc0 [ 11.515001] ? __pfx_kthread+0x10/0x10 [ 11.515020] ? _raw_spin_unlock_irq+0x47/0x80 [ 11.515096] ? calculate_sigpending+0x7b/0xa0 [ 11.515123] ? __pfx_kthread+0x10/0x10 [ 11.515143] ret_from_fork+0x116/0x1d0 [ 11.515160] ? __pfx_kthread+0x10/0x10 [ 11.515180] ret_from_fork_asm+0x1a/0x30 [ 11.515209] </TASK> [ 11.515219] [ 11.524807] Allocated by task 187: [ 11.525291] kasan_save_stack+0x45/0x70 [ 11.525452] kasan_save_track+0x18/0x40 [ 11.525775] kasan_save_alloc_info+0x3b/0x50 [ 11.526165] __kasan_kmalloc+0xb7/0xc0 [ 11.526349] __kmalloc_cache_noprof+0x189/0x420 [ 11.526722] kmalloc_oob_in_memset+0xac/0x320 [ 11.527010] kunit_try_run_case+0x1a5/0x480 [ 11.527227] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 11.527804] kthread+0x337/0x6f0 [ 11.528295] ret_from_fork+0x116/0x1d0 [ 11.528503] ret_from_fork_asm+0x1a/0x30 [ 11.528699] [ 11.528793] The buggy address belongs to the object at ffff888102cbbe00 [ 11.528793] which belongs to the cache kmalloc-128 of size 128 [ 11.529751] The buggy address is located 0 bytes inside of [ 11.529751] allocated 120-byte region [ffff888102cbbe00, ffff888102cbbe78) [ 11.530482] [ 11.530731] The buggy address belongs to the physical page: [ 11.531090] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x102cbb [ 11.531612] flags: 0x200000000000000(node=0|zone=2) [ 11.531951] page_type: f5(slab) [ 11.532593] raw: 0200000000000000 ffff888100041a00 dead000000000122 0000000000000000 [ 11.532910] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000 [ 11.533404] page dumped because: kasan: bad access detected [ 11.533823] [ 11.534046] Memory state around the buggy address: [ 11.534402] ffff888102cbbd00: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 11.534844] ffff888102cbbd80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 11.535425] >ffff888102cbbe00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc [ 11.535892] ^ [ 11.536501] ffff888102cbbe80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 11.536963] ffff888102cbbf00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 11.537393] ==================================================================