Date
July 15, 2025, 11:09 a.m.
| Environment | |
|---|---|
| qemu-arm64 | |
| qemu-x86_64 |
[ 15.471593] ================================================================== [ 15.471859] BUG: KASAN: slab-out-of-bounds in kmalloc_oob_16+0x3a0/0x3f8 [ 15.471911] Write of size 16 at addr fff00000c591d560 by task kunit_try_catch/167 [ 15.471967] [ 15.472062] CPU: 1 UID: 0 PID: 167 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc6 #1 PREEMPT [ 15.472224] Tainted: [B]=BAD_PAGE, [N]=TEST [ 15.472249] Hardware name: linux,dummy-virt (DT) [ 15.472279] Call trace: [ 15.472299] show_stack+0x20/0x38 (C) [ 15.472346] dump_stack_lvl+0x8c/0xd0 [ 15.472392] print_report+0x118/0x5d0 [ 15.472436] kasan_report+0xdc/0x128 [ 15.472603] __asan_report_store16_noabort+0x20/0x30 [ 15.473011] kmalloc_oob_16+0x3a0/0x3f8 [ 15.473171] kunit_try_run_case+0x170/0x3f0 [ 15.473232] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 15.473303] kthread+0x328/0x630 [ 15.473344] ret_from_fork+0x10/0x20 [ 15.473390] [ 15.473407] Allocated by task 167: [ 15.473435] kasan_save_stack+0x3c/0x68 [ 15.473475] kasan_save_track+0x20/0x40 [ 15.473511] kasan_save_alloc_info+0x40/0x58 [ 15.473656] __kasan_kmalloc+0xd4/0xd8 [ 15.473697] __kmalloc_cache_noprof+0x16c/0x3c0 [ 15.473734] kmalloc_oob_16+0xb4/0x3f8 [ 15.473768] kunit_try_run_case+0x170/0x3f0 [ 15.473803] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 15.473845] kthread+0x328/0x630 [ 15.473998] ret_from_fork+0x10/0x20 [ 15.474091] [ 15.474109] The buggy address belongs to the object at fff00000c591d560 [ 15.474109] which belongs to the cache kmalloc-16 of size 16 [ 15.474172] The buggy address is located 0 bytes inside of [ 15.474172] allocated 13-byte region [fff00000c591d560, fff00000c591d56d) [ 15.474246] [ 15.474264] The buggy address belongs to the physical page: [ 15.474293] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x10591d [ 15.474457] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff) [ 15.474527] page_type: f5(slab) [ 15.474678] raw: 0bfffe0000000000 fff00000c0001640 dead000000000122 0000000000000000 [ 15.474763] raw: 0000000000000000 0000000080800080 00000000f5000000 0000000000000000 [ 15.474820] page dumped because: kasan: bad access detected [ 15.474869] [ 15.474887] Memory state around the buggy address: [ 15.474917] fff00000c591d400: fa fb fc fc fa fb fc fc fa fb fc fc fa fb fc fc [ 15.474959] fff00000c591d480: fa fb fc fc fa fb fc fc fa fb fc fc fa fb fc fc [ 15.475086] >fff00000c591d500: fa fb fc fc fa fb fc fc fa fb fc fc 00 05 fc fc [ 15.475192] ^ [ 15.475231] fff00000c591d580: 00 00 fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 15.475283] fff00000c591d600: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 15.475441] ==================================================================
[ 12.498226] ================================================================== [ 12.498807] BUG: KASAN: slab-out-of-bounds in kmalloc_oob_16+0x452/0x4a0 [ 12.499120] Write of size 16 at addr ffff8881025148a0 by task kunit_try_catch/183 [ 12.499455] [ 12.499554] CPU: 1 UID: 0 PID: 183 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc6 #1 PREEMPT(voluntary) [ 12.499598] Tainted: [B]=BAD_PAGE, [N]=TEST [ 12.499609] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 12.499629] Call Trace: [ 12.499641] <TASK> [ 12.499656] dump_stack_lvl+0x73/0xb0 [ 12.499687] print_report+0xd1/0x610 [ 12.499708] ? __virt_addr_valid+0x1db/0x2d0 [ 12.499734] ? kmalloc_oob_16+0x452/0x4a0 [ 12.499767] ? kasan_complete_mode_report_info+0x2a/0x200 [ 12.499792] ? kmalloc_oob_16+0x452/0x4a0 [ 12.499813] kasan_report+0x141/0x180 [ 12.499835] ? kmalloc_oob_16+0x452/0x4a0 [ 12.499861] __asan_report_store16_noabort+0x1b/0x30 [ 12.499887] kmalloc_oob_16+0x452/0x4a0 [ 12.499908] ? __pfx_kmalloc_oob_16+0x10/0x10 [ 12.499931] ? __schedule+0x10cc/0x2b60 [ 12.499953] ? __pfx_read_tsc+0x10/0x10 [ 12.499974] ? ktime_get_ts64+0x86/0x230 [ 12.499999] kunit_try_run_case+0x1a5/0x480 [ 12.500024] ? __pfx_kunit_try_run_case+0x10/0x10 [ 12.500047] ? _raw_spin_lock_irqsave+0xa1/0x100 [ 12.500072] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 12.500096] ? __kthread_parkme+0x82/0x180 [ 12.500117] ? preempt_count_sub+0x50/0x80 [ 12.500140] ? __pfx_kunit_try_run_case+0x10/0x10 [ 12.500165] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 12.500189] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 12.500215] kthread+0x337/0x6f0 [ 12.500234] ? trace_preempt_on+0x20/0xc0 [ 12.500257] ? __pfx_kthread+0x10/0x10 [ 12.500278] ? _raw_spin_unlock_irq+0x47/0x80 [ 12.500299] ? calculate_sigpending+0x7b/0xa0 [ 12.500324] ? __pfx_kthread+0x10/0x10 [ 12.500346] ret_from_fork+0x116/0x1d0 [ 12.500364] ? __pfx_kthread+0x10/0x10 [ 12.500386] ret_from_fork_asm+0x1a/0x30 [ 12.500417] </TASK> [ 12.500427] [ 12.508123] Allocated by task 183: [ 12.508262] kasan_save_stack+0x45/0x70 [ 12.508415] kasan_save_track+0x18/0x40 [ 12.508799] kasan_save_alloc_info+0x3b/0x50 [ 12.509023] __kasan_kmalloc+0xb7/0xc0 [ 12.509211] __kmalloc_cache_noprof+0x189/0x420 [ 12.509566] kmalloc_oob_16+0xa8/0x4a0 [ 12.509706] kunit_try_run_case+0x1a5/0x480 [ 12.509867] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 12.510123] kthread+0x337/0x6f0 [ 12.510291] ret_from_fork+0x116/0x1d0 [ 12.510613] ret_from_fork_asm+0x1a/0x30 [ 12.510814] [ 12.510902] The buggy address belongs to the object at ffff8881025148a0 [ 12.510902] which belongs to the cache kmalloc-16 of size 16 [ 12.511279] The buggy address is located 0 bytes inside of [ 12.511279] allocated 13-byte region [ffff8881025148a0, ffff8881025148ad) [ 12.512274] [ 12.512547] The buggy address belongs to the physical page: [ 12.512773] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x102514 [ 12.513065] flags: 0x200000000000000(node=0|zone=2) [ 12.513232] page_type: f5(slab) [ 12.513428] raw: 0200000000000000 ffff888100041640 dead000000000122 0000000000000000 [ 12.513802] raw: 0000000000000000 0000000080800080 00000000f5000000 0000000000000000 [ 12.514136] page dumped because: kasan: bad access detected [ 12.514407] [ 12.514530] Memory state around the buggy address: [ 12.514689] ffff888102514780: fa fb fc fc 00 02 fc fc 00 05 fc fc 00 02 fc fc [ 12.514985] ffff888102514800: 00 02 fc fc 00 02 fc fc 00 02 fc fc 00 05 fc fc [ 12.515308] >ffff888102514880: fa fb fc fc 00 05 fc fc 00 00 fc fc fc fc fc fc [ 12.515802] ^ [ 12.515981] ffff888102514900: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 12.516279] ffff888102514980: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 12.516715] ==================================================================