Date
July 3, 2025, 11:10 p.m.
| Environment | |
|---|---|
| qemu-arm64 | |
| qemu-x86_64 |
[ 19.615462] ================================================================== [ 19.615617] BUG: KASAN: slab-out-of-bounds in kmalloc_oob_16+0x3a0/0x3f8 [ 19.615866] Write of size 16 at addr fff00000c61914c0 by task kunit_try_catch/166 [ 19.615968] [ 19.616057] CPU: 0 UID: 0 PID: 166 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc4 #1 PREEMPT [ 19.616210] Tainted: [B]=BAD_PAGE, [N]=TEST [ 19.616267] Hardware name: linux,dummy-virt (DT) [ 19.616333] Call trace: [ 19.616638] show_stack+0x20/0x38 (C) [ 19.616779] dump_stack_lvl+0x8c/0xd0 [ 19.616895] print_report+0x118/0x608 [ 19.616994] kasan_report+0xdc/0x128 [ 19.617107] __asan_report_store16_noabort+0x20/0x30 [ 19.617548] kmalloc_oob_16+0x3a0/0x3f8 [ 19.617665] kunit_try_run_case+0x170/0x3f0 [ 19.617777] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 19.618510] kthread+0x328/0x630 [ 19.618938] ret_from_fork+0x10/0x20 [ 19.619071] [ 19.619110] Allocated by task 166: [ 19.619168] kasan_save_stack+0x3c/0x68 [ 19.619426] kasan_save_track+0x20/0x40 [ 19.619516] kasan_save_alloc_info+0x40/0x58 [ 19.619598] __kasan_kmalloc+0xd4/0xd8 [ 19.619831] __kmalloc_cache_noprof+0x16c/0x3c0 [ 19.619946] kmalloc_oob_16+0xb4/0x3f8 [ 19.620039] kunit_try_run_case+0x170/0x3f0 [ 19.620307] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 19.620409] kthread+0x328/0x630 [ 19.620502] ret_from_fork+0x10/0x20 [ 19.620589] [ 19.620635] The buggy address belongs to the object at fff00000c61914c0 [ 19.620635] which belongs to the cache kmalloc-16 of size 16 [ 19.620758] The buggy address is located 0 bytes inside of [ 19.620758] allocated 13-byte region [fff00000c61914c0, fff00000c61914cd) [ 19.620892] [ 19.620998] The buggy address belongs to the physical page: [ 19.621080] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x106191 [ 19.621506] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff) [ 19.621618] page_type: f5(slab) [ 19.621969] raw: 0bfffe0000000000 fff00000c0001640 dead000000000122 0000000000000000 [ 19.622099] raw: 0000000000000000 0000000080800080 00000000f5000000 0000000000000000 [ 19.622240] page dumped because: kasan: bad access detected [ 19.622378] [ 19.622419] Memory state around the buggy address: [ 19.622554] fff00000c6191380: 00 05 fc fc fa fb fc fc 00 02 fc fc fa fb fc fc [ 19.622708] fff00000c6191400: fa fb fc fc fa fb fc fc fa fb fc fc fa fb fc fc [ 19.622798] >fff00000c6191480: 00 04 fc fc fa fb fc fc 00 05 fc fc 00 00 fc fc [ 19.622888] ^ [ 19.622967] fff00000c6191500: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 19.623462] fff00000c6191580: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 19.623563] ==================================================================
[ 11.516049] ================================================================== [ 11.517032] BUG: KASAN: slab-out-of-bounds in kmalloc_oob_16+0x452/0x4a0 [ 11.517589] Write of size 16 at addr ffff8881019d1aa0 by task kunit_try_catch/183 [ 11.518389] [ 11.518600] CPU: 1 UID: 0 PID: 183 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc4 #1 PREEMPT(voluntary) [ 11.518643] Tainted: [B]=BAD_PAGE, [N]=TEST [ 11.518655] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 11.518674] Call Trace: [ 11.518686] <TASK> [ 11.518699] dump_stack_lvl+0x73/0xb0 [ 11.518726] print_report+0xd1/0x650 [ 11.518768] ? __virt_addr_valid+0x1db/0x2d0 [ 11.518790] ? kmalloc_oob_16+0x452/0x4a0 [ 11.518809] ? kasan_complete_mode_report_info+0x2a/0x200 [ 11.518830] ? kmalloc_oob_16+0x452/0x4a0 [ 11.518849] kasan_report+0x141/0x180 [ 11.518869] ? kmalloc_oob_16+0x452/0x4a0 [ 11.518894] __asan_report_store16_noabort+0x1b/0x30 [ 11.518913] kmalloc_oob_16+0x452/0x4a0 [ 11.518933] ? __pfx_kmalloc_oob_16+0x10/0x10 [ 11.518953] ? __schedule+0x10cc/0x2b60 [ 11.518974] ? __pfx_read_tsc+0x10/0x10 [ 11.518993] ? ktime_get_ts64+0x86/0x230 [ 11.519018] kunit_try_run_case+0x1a5/0x480 [ 11.519041] ? __pfx_kunit_try_run_case+0x10/0x10 [ 11.519061] ? _raw_spin_lock_irqsave+0xa1/0x100 [ 11.519083] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 11.519104] ? __kthread_parkme+0x82/0x180 [ 11.519133] ? preempt_count_sub+0x50/0x80 [ 11.519156] ? __pfx_kunit_try_run_case+0x10/0x10 [ 11.519187] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 11.519208] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 11.519229] kthread+0x337/0x6f0 [ 11.519259] ? trace_preempt_on+0x20/0xc0 [ 11.519282] ? __pfx_kthread+0x10/0x10 [ 11.519301] ? _raw_spin_unlock_irq+0x47/0x80 [ 11.519320] ? calculate_sigpending+0x7b/0xa0 [ 11.519342] ? __pfx_kthread+0x10/0x10 [ 11.519362] ret_from_fork+0x116/0x1d0 [ 11.519379] ? __pfx_kthread+0x10/0x10 [ 11.519398] ret_from_fork_asm+0x1a/0x30 [ 11.519427] </TASK> [ 11.519438] [ 11.528406] Allocated by task 183: [ 11.528577] kasan_save_stack+0x45/0x70 [ 11.528766] kasan_save_track+0x18/0x40 [ 11.528942] kasan_save_alloc_info+0x3b/0x50 [ 11.529417] __kasan_kmalloc+0xb7/0xc0 [ 11.529632] __kmalloc_cache_noprof+0x189/0x420 [ 11.530032] kmalloc_oob_16+0xa8/0x4a0 [ 11.530392] kunit_try_run_case+0x1a5/0x480 [ 11.530737] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 11.530979] kthread+0x337/0x6f0 [ 11.531381] ret_from_fork+0x116/0x1d0 [ 11.531644] ret_from_fork_asm+0x1a/0x30 [ 11.531983] [ 11.532078] The buggy address belongs to the object at ffff8881019d1aa0 [ 11.532078] which belongs to the cache kmalloc-16 of size 16 [ 11.533047] The buggy address is located 0 bytes inside of [ 11.533047] allocated 13-byte region [ffff8881019d1aa0, ffff8881019d1aad) [ 11.533851] [ 11.533952] The buggy address belongs to the physical page: [ 11.534516] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1019d1 [ 11.534938] flags: 0x200000000000000(node=0|zone=2) [ 11.535413] page_type: f5(slab) [ 11.535659] raw: 0200000000000000 ffff888100041640 dead000000000122 0000000000000000 [ 11.536266] raw: 0000000000000000 0000000080800080 00000000f5000000 0000000000000000 [ 11.536582] page dumped because: kasan: bad access detected [ 11.536813] [ 11.536901] Memory state around the buggy address: [ 11.537106] ffff8881019d1980: 00 02 fc fc 00 02 fc fc 00 02 fc fc 00 02 fc fc [ 11.537733] ffff8881019d1a00: fa fb fc fc fa fb fc fc fa fb fc fc 00 05 fc fc [ 11.538272] >ffff8881019d1a80: fa fb fc fc 00 05 fc fc 00 00 fc fc fc fc fc fc [ 11.538710] ^ [ 11.538906] ffff8881019d1b00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 11.539491] ffff8881019d1b80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 11.539924] ==================================================================