Date
July 20, 2025, 8:11 p.m.
| Environment | |
|---|---|
| qemu-arm64 | |
| qemu-x86_64 |
[ 15.155998] ================================================================== [ 15.156069] BUG: KASAN: slab-out-of-bounds in kmalloc_oob_16+0x3a0/0x3f8 [ 15.156170] Write of size 16 at addr fff00000c60866e0 by task kunit_try_catch/167 [ 15.156233] [ 15.156265] CPU: 1 UID: 0 PID: 167 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc6 #1 PREEMPT [ 15.156517] Tainted: [B]=BAD_PAGE, [N]=TEST [ 15.156547] Hardware name: linux,dummy-virt (DT) [ 15.156580] Call trace: [ 15.156950] show_stack+0x20/0x38 (C) [ 15.157108] dump_stack_lvl+0x8c/0xd0 [ 15.157254] print_report+0x118/0x5d0 [ 15.157342] kasan_report+0xdc/0x128 [ 15.157466] __asan_report_store16_noabort+0x20/0x30 [ 15.157625] kmalloc_oob_16+0x3a0/0x3f8 [ 15.157713] kunit_try_run_case+0x170/0x3f0 [ 15.157896] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 15.158249] kthread+0x328/0x630 [ 15.158335] ret_from_fork+0x10/0x20 [ 15.158442] [ 15.158538] Allocated by task 167: [ 15.158568] kasan_save_stack+0x3c/0x68 [ 15.158757] kasan_save_track+0x20/0x40 [ 15.158839] kasan_save_alloc_info+0x40/0x58 [ 15.159125] __kasan_kmalloc+0xd4/0xd8 [ 15.159171] __kmalloc_cache_noprof+0x16c/0x3c0 [ 15.159578] kmalloc_oob_16+0xb4/0x3f8 [ 15.159657] kunit_try_run_case+0x170/0x3f0 [ 15.159936] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 15.160240] kthread+0x328/0x630 [ 15.160376] ret_from_fork+0x10/0x20 [ 15.160463] [ 15.160561] The buggy address belongs to the object at fff00000c60866e0 [ 15.160561] which belongs to the cache kmalloc-16 of size 16 [ 15.160619] The buggy address is located 0 bytes inside of [ 15.160619] allocated 13-byte region [fff00000c60866e0, fff00000c60866ed) [ 15.160813] [ 15.161153] The buggy address belongs to the physical page: [ 15.161283] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x106086 [ 15.161577] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff) [ 15.161696] page_type: f5(slab) [ 15.161785] raw: 0bfffe0000000000 fff00000c0001640 dead000000000122 0000000000000000 [ 15.161976] raw: 0000000000000000 0000000080800080 00000000f5000000 0000000000000000 [ 15.162178] page dumped because: kasan: bad access detected [ 15.162249] [ 15.162299] Memory state around the buggy address: [ 15.162389] fff00000c6086580: 00 04 fc fc 00 04 fc fc fa fb fc fc 00 05 fc fc [ 15.162469] fff00000c6086600: 00 05 fc fc 00 00 fc fc 00 06 fc fc 00 06 fc fc [ 15.162726] >fff00000c6086680: 00 00 fc fc fa fb fc fc fa fb fc fc 00 05 fc fc [ 15.162839] ^ [ 15.162936] fff00000c6086700: 00 00 fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 15.163066] fff00000c6086780: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 15.163120] ==================================================================
[ 12.930886] ================================================================== [ 12.931596] BUG: KASAN: slab-out-of-bounds in kmalloc_oob_16+0x452/0x4a0 [ 12.931949] Write of size 16 at addr ffff888101c73500 by task kunit_try_catch/184 [ 12.932284] [ 12.932405] CPU: 0 UID: 0 PID: 184 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc6 #1 PREEMPT(voluntary) [ 12.932452] Tainted: [B]=BAD_PAGE, [N]=TEST [ 12.932464] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 12.932498] Call Trace: [ 12.932532] <TASK> [ 12.932550] dump_stack_lvl+0x73/0xb0 [ 12.932584] print_report+0xd1/0x610 [ 12.932609] ? __virt_addr_valid+0x1db/0x2d0 [ 12.932634] ? kmalloc_oob_16+0x452/0x4a0 [ 12.932655] ? kasan_complete_mode_report_info+0x2a/0x200 [ 12.932677] ? kmalloc_oob_16+0x452/0x4a0 [ 12.932699] kasan_report+0x141/0x180 [ 12.932721] ? kmalloc_oob_16+0x452/0x4a0 [ 12.932853] __asan_report_store16_noabort+0x1b/0x30 [ 12.932881] kmalloc_oob_16+0x452/0x4a0 [ 12.932904] ? __pfx_kmalloc_oob_16+0x10/0x10 [ 12.932927] ? __schedule+0x10c6/0x2b60 [ 12.932951] ? __pfx_read_tsc+0x10/0x10 [ 12.932973] ? ktime_get_ts64+0x86/0x230 [ 12.933022] kunit_try_run_case+0x1a5/0x480 [ 12.933058] ? __pfx_kunit_try_run_case+0x10/0x10 [ 12.933082] ? _raw_spin_lock_irqsave+0xa1/0x100 [ 12.933107] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 12.933131] ? __kthread_parkme+0x82/0x180 [ 12.933152] ? preempt_count_sub+0x50/0x80 [ 12.933180] ? __pfx_kunit_try_run_case+0x10/0x10 [ 12.933204] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 12.933228] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 12.933306] kthread+0x337/0x6f0 [ 12.933329] ? trace_preempt_on+0x20/0xc0 [ 12.933353] ? __pfx_kthread+0x10/0x10 [ 12.933374] ? _raw_spin_unlock_irq+0x47/0x80 [ 12.933397] ? calculate_sigpending+0x7b/0xa0 [ 12.933422] ? __pfx_kthread+0x10/0x10 [ 12.933444] ret_from_fork+0x116/0x1d0 [ 12.933464] ? __pfx_kthread+0x10/0x10 [ 12.933497] ret_from_fork_asm+0x1a/0x30 [ 12.933528] </TASK> [ 12.933539] [ 12.942549] Allocated by task 184: [ 12.942729] kasan_save_stack+0x45/0x70 [ 12.942995] kasan_save_track+0x18/0x40 [ 12.943245] kasan_save_alloc_info+0x3b/0x50 [ 12.943459] __kasan_kmalloc+0xb7/0xc0 [ 12.943660] __kmalloc_cache_noprof+0x189/0x420 [ 12.944169] kmalloc_oob_16+0xa8/0x4a0 [ 12.944381] kunit_try_run_case+0x1a5/0x480 [ 12.944578] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 12.944869] kthread+0x337/0x6f0 [ 12.945064] ret_from_fork+0x116/0x1d0 [ 12.945340] ret_from_fork_asm+0x1a/0x30 [ 12.945568] [ 12.945681] The buggy address belongs to the object at ffff888101c73500 [ 12.945681] which belongs to the cache kmalloc-16 of size 16 [ 12.946276] The buggy address is located 0 bytes inside of [ 12.946276] allocated 13-byte region [ffff888101c73500, ffff888101c7350d) [ 12.947177] [ 12.947272] The buggy address belongs to the physical page: [ 12.947456] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x101c73 [ 12.947978] flags: 0x200000000000000(node=0|zone=2) [ 12.948406] page_type: f5(slab) [ 12.948685] raw: 0200000000000000 ffff888100041640 dead000000000122 0000000000000000 [ 12.949172] raw: 0000000000000000 0000000080800080 00000000f5000000 0000000000000000 [ 12.949583] page dumped because: kasan: bad access detected [ 12.949858] [ 12.949959] Memory state around the buggy address: [ 12.950277] ffff888101c73400: fa fb fc fc fa fb fc fc fa fb fc fc fa fb fc fc [ 12.950641] ffff888101c73480: fa fb fc fc fa fb fc fc fa fb fc fc 00 05 fc fc [ 12.950990] >ffff888101c73500: 00 05 fc fc 00 00 fc fc fc fc fc fc fc fc fc fc [ 12.951322] ^ [ 12.951526] ffff888101c73580: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 12.951856] ffff888101c73600: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 12.952185] ==================================================================