Date
July 5, 2025, 5:09 p.m.
| Environment | |
|---|---|
| qemu-arm64 | |
| qemu-x86_64 |
[ 20.321833] ================================================================== [ 20.321927] BUG: KASAN: alloca-out-of-bounds in kasan_alloca_oob_right+0x2dc/0x340 [ 20.322135] Read of size 1 at addr ffff800080a77b4a by task kunit_try_catch/253 [ 20.322186] [ 20.322220] CPU: 0 UID: 0 PID: 253 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc4 #1 PREEMPT [ 20.322304] Tainted: [B]=BAD_PAGE, [N]=TEST [ 20.322485] Hardware name: linux,dummy-virt (DT) [ 20.322591] Call trace: [ 20.322620] show_stack+0x20/0x38 (C) [ 20.322686] dump_stack_lvl+0x8c/0xd0 [ 20.322735] print_report+0x310/0x608 [ 20.322923] kasan_report+0xdc/0x128 [ 20.323112] __asan_report_load1_noabort+0x20/0x30 [ 20.323210] kasan_alloca_oob_right+0x2dc/0x340 [ 20.323362] kunit_try_run_case+0x170/0x3f0 [ 20.323462] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 20.323545] kthread+0x328/0x630 [ 20.323590] ret_from_fork+0x10/0x20 [ 20.323638] [ 20.323661] The buggy address belongs to stack of task kunit_try_catch/253 [ 20.323718] [ 20.323742] The buggy address belongs to the virtual mapping at [ 20.323742] [ffff800080a70000, ffff800080a79000) created by: [ 20.323742] kernel_clone+0x150/0x7a8 [ 20.324131] [ 20.324227] The buggy address belongs to the physical page: [ 20.324492] page: refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1078bc [ 20.324572] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff) [ 20.324718] raw: 0bfffe0000000000 0000000000000000 dead000000000122 0000000000000000 [ 20.324808] raw: 0000000000000000 0000000000000000 00000001ffffffff 0000000000000000 [ 20.324874] page dumped because: kasan: bad access detected [ 20.325058] [ 20.325091] Memory state around the buggy address: [ 20.325135] ffff800080a77a00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 20.325212] ffff800080a77a80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 20.325256] >ffff800080a77b00: 00 00 00 00 ca ca ca ca 00 02 cb cb cb cb cb cb [ 20.325298] ^ [ 20.325336] ffff800080a77b80: 00 00 00 00 00 00 00 00 f1 f1 f1 f1 01 f2 04 f2 [ 20.325440] ffff800080a77c00: 00 f2 f2 f2 00 00 f3 f3 00 00 00 00 00 00 00 00 [ 20.325481] ==================================================================
[ 13.429810] ================================================================== [ 13.430434] BUG: KASAN: alloca-out-of-bounds in kasan_alloca_oob_right+0x329/0x390 [ 13.430779] Read of size 1 at addr ffff888102b17c4a by task kunit_try_catch/271 [ 13.431080] [ 13.431193] CPU: 1 UID: 0 PID: 271 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc4 #1 PREEMPT(voluntary) [ 13.431431] Tainted: [B]=BAD_PAGE, [N]=TEST [ 13.431446] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 13.431483] Call Trace: [ 13.431496] <TASK> [ 13.431513] dump_stack_lvl+0x73/0xb0 [ 13.431542] print_report+0xd1/0x650 [ 13.431564] ? __virt_addr_valid+0x1db/0x2d0 [ 13.431588] ? kasan_alloca_oob_right+0x329/0x390 [ 13.431610] ? kasan_addr_to_slab+0x11/0xa0 [ 13.431630] ? kasan_alloca_oob_right+0x329/0x390 [ 13.431653] kasan_report+0x141/0x180 [ 13.431686] ? kasan_alloca_oob_right+0x329/0x390 [ 13.431714] __asan_report_load1_noabort+0x18/0x20 [ 13.431739] kasan_alloca_oob_right+0x329/0x390 [ 13.431763] ? finish_task_switch.isra.0+0x153/0x700 [ 13.431787] ? ww_mutex_unlock+0x6e/0x150 [ 13.431809] ? trace_hardirqs_on+0x37/0xe0 [ 13.431835] ? __pfx_kasan_alloca_oob_right+0x10/0x10 [ 13.431860] ? __schedule+0x10cc/0x2b60 [ 13.431881] ? __pfx_read_tsc+0x10/0x10 [ 13.431903] ? ktime_get_ts64+0x86/0x230 [ 13.431926] kunit_try_run_case+0x1a5/0x480 [ 13.431951] ? __pfx_kunit_try_run_case+0x10/0x10 [ 13.431973] ? _raw_spin_lock_irqsave+0xa1/0x100 [ 13.431997] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 13.432019] ? __kthread_parkme+0x82/0x180 [ 13.432040] ? preempt_count_sub+0x50/0x80 [ 13.432063] ? __pfx_kunit_try_run_case+0x10/0x10 [ 13.432087] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 13.432109] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 13.432133] kthread+0x337/0x6f0 [ 13.432152] ? trace_preempt_on+0x20/0xc0 [ 13.432174] ? __pfx_kthread+0x10/0x10 [ 13.432237] ? _raw_spin_unlock_irq+0x47/0x80 [ 13.432260] ? calculate_sigpending+0x7b/0xa0 [ 13.432284] ? __pfx_kthread+0x10/0x10 [ 13.432306] ret_from_fork+0x116/0x1d0 [ 13.432325] ? __pfx_kthread+0x10/0x10 [ 13.432346] ret_from_fork_asm+0x1a/0x30 [ 13.432377] </TASK> [ 13.432388] [ 13.440138] The buggy address belongs to stack of task kunit_try_catch/271 [ 13.440944] [ 13.441054] The buggy address belongs to the physical page: [ 13.441388] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x102b17 [ 13.441724] flags: 0x200000000000000(node=0|zone=2) [ 13.441969] raw: 0200000000000000 0000000000000000 ffffea00040ac5c8 0000000000000000 [ 13.442257] raw: 0000000000000000 0000000000000000 00000000ffffffff 0000000000000000 [ 13.442496] page dumped because: kasan: bad access detected [ 13.442705] [ 13.442799] Memory state around the buggy address: [ 13.443020] ffff888102b17b00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 13.443479] ffff888102b17b80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 13.443851] >ffff888102b17c00: 00 00 00 00 ca ca ca ca 00 02 cb cb cb cb cb cb [ 13.444079] ^ [ 13.444295] ffff888102b17c80: 00 00 00 f1 f1 f1 f1 01 f2 04 f2 00 f2 f2 f2 00 [ 13.444641] ffff888102b17d00: 00 f3 f3 00 00 00 00 00 00 00 00 00 00 00 00 f1 [ 13.445039] ==================================================================