Date
July 16, 2025, 12:11 p.m.
| Environment | |
|---|---|
| qemu-arm64 | |
| qemu-x86_64 |
[ 32.918393] ================================================================== [ 32.918454] BUG: KASAN: alloca-out-of-bounds in kasan_alloca_oob_right+0x2dc/0x340 [ 32.918869] Read of size 1 at addr ffff800080b47b4a by task kunit_try_catch/284 [ 32.918940] [ 32.919132] CPU: 0 UID: 0 PID: 284 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc6-next-20250716 #1 PREEMPT [ 32.919308] Tainted: [B]=BAD_PAGE, [N]=TEST [ 32.919341] Hardware name: linux,dummy-virt (DT) [ 32.919430] Call trace: [ 32.919596] show_stack+0x20/0x38 (C) [ 32.919769] dump_stack_lvl+0x8c/0xd0 [ 32.920071] print_report+0x310/0x5d0 [ 32.920166] kasan_report+0xdc/0x128 [ 32.920345] __asan_report_load1_noabort+0x20/0x30 [ 32.920437] kasan_alloca_oob_right+0x2dc/0x340 [ 32.920780] kunit_try_run_case+0x170/0x3f0 [ 32.920901] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 32.921024] kthread+0x328/0x630 [ 32.921213] ret_from_fork+0x10/0x20 [ 32.921367] [ 32.921436] The buggy address belongs to stack of task kunit_try_catch/284 [ 32.921598] [ 32.921622] The buggy address ffff800080b47b4a belongs to a vmalloc virtual mapping [ 32.921710] The buggy address belongs to the physical page: [ 32.921888] page: refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x109bb1 [ 32.922160] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff) [ 32.922265] raw: 0bfffe0000000000 0000000000000000 dead000000000122 0000000000000000 [ 32.922439] raw: 0000000000000000 0000000000000000 00000001ffffffff 0000000000000000 [ 32.922578] page dumped because: kasan: bad access detected [ 32.922958] [ 32.923080] Memory state around the buggy address: [ 32.923222] ffff800080b47a00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 32.923406] ffff800080b47a80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 32.923629] >ffff800080b47b00: 00 00 00 00 ca ca ca ca 00 02 cb cb cb cb cb cb [ 32.923893] ^ [ 32.924044] ffff800080b47b80: 00 00 00 00 00 00 00 00 f1 f1 f1 f1 01 f2 04 f2 [ 32.924225] ffff800080b47c00: 00 f2 f2 f2 00 00 f3 f3 00 00 00 00 00 00 00 00 [ 32.924288] ==================================================================
[ 25.153535] ================================================================== [ 25.154226] BUG: KASAN: alloca-out-of-bounds in kasan_alloca_oob_right+0x329/0x390 [ 25.154834] Read of size 1 at addr ffff8881061efc4a by task kunit_try_catch/302 [ 25.155108] [ 25.155702] CPU: 1 UID: 0 PID: 302 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc6-next-20250716 #1 PREEMPT(voluntary) [ 25.155760] Tainted: [B]=BAD_PAGE, [N]=TEST [ 25.155774] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 25.155797] Call Trace: [ 25.155809] <TASK> [ 25.155829] dump_stack_lvl+0x73/0xb0 [ 25.155863] print_report+0xd1/0x610 [ 25.155888] ? __virt_addr_valid+0x1db/0x2d0 [ 25.155913] ? kasan_alloca_oob_right+0x329/0x390 [ 25.155936] ? kasan_addr_to_slab+0x11/0xa0 [ 25.156059] ? kasan_alloca_oob_right+0x329/0x390 [ 25.156082] kasan_report+0x141/0x180 [ 25.156104] ? kasan_alloca_oob_right+0x329/0x390 [ 25.156131] __asan_report_load1_noabort+0x18/0x20 [ 25.156155] kasan_alloca_oob_right+0x329/0x390 [ 25.156177] ? update_curr+0x7d/0x7f0 [ 25.156202] ? finish_task_switch.isra.0+0x153/0x700 [ 25.156224] ? down_interruptible+0x1e/0xa0 [ 25.156250] ? trace_hardirqs_on+0x37/0xe0 [ 25.156276] ? __pfx_kasan_alloca_oob_right+0x10/0x10 [ 25.156315] ? __schedule+0x10c6/0x2b60 [ 25.156337] ? __pfx_read_tsc+0x10/0x10 [ 25.156360] ? ktime_get_ts64+0x86/0x230 [ 25.156385] kunit_try_run_case+0x1a5/0x480 [ 25.156410] ? __pfx_kunit_try_run_case+0x10/0x10 [ 25.156432] ? _raw_spin_lock_irqsave+0xa1/0x100 [ 25.156454] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 25.156477] ? __kthread_parkme+0x82/0x180 [ 25.156498] ? preempt_count_sub+0x50/0x80 [ 25.156519] ? __pfx_kunit_try_run_case+0x10/0x10 [ 25.156542] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 25.156569] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 25.156596] kthread+0x337/0x6f0 [ 25.156615] ? trace_preempt_on+0x20/0xc0 [ 25.156637] ? __pfx_kthread+0x10/0x10 [ 25.156657] ? _raw_spin_unlock_irq+0x47/0x80 [ 25.156677] ? calculate_sigpending+0x7b/0xa0 [ 25.156703] ? __pfx_kthread+0x10/0x10 [ 25.156723] ret_from_fork+0x116/0x1d0 [ 25.156742] ? __pfx_kthread+0x10/0x10 [ 25.156762] ret_from_fork_asm+0x1a/0x30 [ 25.156793] </TASK> [ 25.156804] [ 25.164404] The buggy address belongs to stack of task kunit_try_catch/302 [ 25.164736] [ 25.164823] The buggy address belongs to the physical page: [ 25.165254] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1061ef [ 25.165648] flags: 0x200000000000000(node=0|zone=2) [ 25.166060] raw: 0200000000000000 ffffea0004187bc8 ffffea0004187bc8 0000000000000000 [ 25.166287] raw: 0000000000000000 0000000000000000 00000000ffffffff 0000000000000000 [ 25.166573] page dumped because: kasan: bad access detected [ 25.166836] [ 25.166996] Memory state around the buggy address: [ 25.167265] ffff8881061efb00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 25.167593] ffff8881061efb80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 25.167833] >ffff8881061efc00: 00 00 00 00 ca ca ca ca 00 02 cb cb cb cb cb cb [ 25.168181] ^ [ 25.168386] ffff8881061efc80: 00 00 00 f1 f1 f1 f1 01 f2 04 f2 00 f2 f2 f2 00 [ 25.168785] ffff8881061efd00: 00 f3 f3 00 00 00 00 00 00 00 00 00 00 00 00 f1 [ 25.169089] ==================================================================