Date
July 10, 2025, 6:10 p.m.
| Environment | |
|---|---|
| qemu-arm64 | |
| qemu-x86_64 |
[ 19.076280] ================================================================== [ 19.076676] BUG: KASAN: alloca-out-of-bounds in kasan_alloca_oob_left+0x2b8/0x310 [ 19.077163] Read of size 1 at addr ffff800080947b5f by task kunit_try_catch/251 [ 19.077255] [ 19.077298] CPU: 0 UID: 0 PID: 251 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc5 #1 PREEMPT [ 19.077396] Tainted: [B]=BAD_PAGE, [N]=TEST [ 19.077734] Hardware name: linux,dummy-virt (DT) [ 19.077787] Call trace: [ 19.077815] show_stack+0x20/0x38 (C) [ 19.078012] dump_stack_lvl+0x8c/0xd0 [ 19.078351] print_report+0x310/0x608 [ 19.078509] kasan_report+0xdc/0x128 [ 19.078842] __asan_report_load1_noabort+0x20/0x30 [ 19.079094] kasan_alloca_oob_left+0x2b8/0x310 [ 19.079324] kunit_try_run_case+0x170/0x3f0 [ 19.079478] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 19.079656] kthread+0x328/0x630 [ 19.079733] ret_from_fork+0x10/0x20 [ 19.080128] [ 19.080198] The buggy address belongs to stack of task kunit_try_catch/251 [ 19.080414] [ 19.080564] The buggy address belongs to the virtual mapping at [ 19.080564] [ffff800080940000, ffff800080949000) created by: [ 19.080564] kernel_clone+0x150/0x7a8 [ 19.080655] [ 19.080716] The buggy address belongs to the physical page: [ 19.080965] page: refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x107004 [ 19.081164] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff) [ 19.081432] raw: 0bfffe0000000000 0000000000000000 dead000000000122 0000000000000000 [ 19.081573] raw: 0000000000000000 0000000000000000 00000001ffffffff 0000000000000000 [ 19.081833] page dumped because: kasan: bad access detected [ 19.081919] [ 19.082072] Memory state around the buggy address: [ 19.082111] ffff800080947a00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 19.082158] ffff800080947a80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 19.082205] >ffff800080947b00: 00 00 00 00 00 00 00 00 ca ca ca ca 00 02 cb cb [ 19.082562] ^ [ 19.083029] ffff800080947b80: cb cb cb cb 00 00 00 00 f1 f1 f1 f1 01 f2 04 f2 [ 19.083336] ffff800080947c00: 00 f2 f2 f2 00 00 f3 f3 00 00 00 00 00 00 00 00 [ 19.083430] ==================================================================
[ 14.312293] ================================================================== [ 14.312693] BUG: KASAN: alloca-out-of-bounds in kasan_alloca_oob_left+0x320/0x380 [ 14.313193] Read of size 1 at addr ffff888103b07c3f by task kunit_try_catch/268 [ 14.313452] [ 14.313724] CPU: 1 UID: 0 PID: 268 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc5 #1 PREEMPT(voluntary) [ 14.313771] Tainted: [B]=BAD_PAGE, [N]=TEST [ 14.313783] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 14.313803] Call Trace: [ 14.313815] <TASK> [ 14.313829] dump_stack_lvl+0x73/0xb0 [ 14.313860] print_report+0xd1/0x650 [ 14.313881] ? __virt_addr_valid+0x1db/0x2d0 [ 14.313905] ? kasan_alloca_oob_left+0x320/0x380 [ 14.313927] ? kasan_addr_to_slab+0x11/0xa0 [ 14.313948] ? kasan_alloca_oob_left+0x320/0x380 [ 14.313971] kasan_report+0x141/0x180 [ 14.313992] ? kasan_alloca_oob_left+0x320/0x380 [ 14.314019] __asan_report_load1_noabort+0x18/0x20 [ 14.314059] kasan_alloca_oob_left+0x320/0x380 [ 14.314081] ? __pfx_sched_clock_cpu+0x10/0x10 [ 14.314105] ? finish_task_switch.isra.0+0x153/0x700 [ 14.314127] ? preempt_schedule_common+0xbe/0x110 [ 14.314151] ? trace_hardirqs_on+0x37/0xe0 [ 14.314176] ? __pfx_kasan_alloca_oob_left+0x10/0x10 [ 14.314201] ? __schedule+0x10cc/0x2b60 [ 14.314222] ? __pfx_read_tsc+0x10/0x10 [ 14.314244] ? ktime_get_ts64+0x86/0x230 [ 14.314268] kunit_try_run_case+0x1a5/0x480 [ 14.314295] ? __pfx_kunit_try_run_case+0x10/0x10 [ 14.314319] ? _raw_spin_lock_irqsave+0xa1/0x100 [ 14.314343] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 14.314367] ? __kthread_parkme+0x82/0x180 [ 14.314389] ? preempt_count_sub+0x50/0x80 [ 14.314412] ? __pfx_kunit_try_run_case+0x10/0x10 [ 14.314438] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 14.314463] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 14.314489] kthread+0x337/0x6f0 [ 14.314508] ? trace_preempt_on+0x20/0xc0 [ 14.314529] ? __pfx_kthread+0x10/0x10 [ 14.314550] ? _raw_spin_unlock_irq+0x47/0x80 [ 14.314572] ? calculate_sigpending+0x7b/0xa0 [ 14.314596] ? __pfx_kthread+0x10/0x10 [ 14.315101] ret_from_fork+0x116/0x1d0 [ 14.315123] ? __pfx_kthread+0x10/0x10 [ 14.315144] ret_from_fork_asm+0x1a/0x30 [ 14.315176] </TASK> [ 14.315186] [ 14.326137] The buggy address belongs to stack of task kunit_try_catch/268 [ 14.326487] [ 14.326872] The buggy address belongs to the physical page: [ 14.327311] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x103b07 [ 14.327662] flags: 0x200000000000000(node=0|zone=2) [ 14.328340] raw: 0200000000000000 ffffea00040ec1c8 ffffea00040ec1c8 0000000000000000 [ 14.328695] raw: 0000000000000000 0000000000000000 00000000ffffffff 0000000000000000 [ 14.329176] page dumped because: kasan: bad access detected [ 14.329655] [ 14.329853] Memory state around the buggy address: [ 14.330126] ffff888103b07b00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 14.330384] ffff888103b07b80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 14.330708] >ffff888103b07c00: 00 00 00 00 ca ca ca ca 00 02 cb cb cb cb cb cb [ 14.330986] ^ [ 14.331372] ffff888103b07c80: 00 00 00 f1 f1 f1 f1 01 f2 04 f2 00 f2 f2 f2 00 [ 14.331689] ffff888103b07d00: 00 f3 f3 00 00 00 00 00 00 00 00 00 00 00 00 f1 [ 14.332263] ==================================================================