Date
July 3, 2025, 6:13 p.m.
| Environment | |
|---|---|
| qemu-arm64 | |
| qemu-x86_64 |
[ 19.075869] ================================================================== [ 19.075991] BUG: KASAN: alloca-out-of-bounds in kasan_alloca_oob_left+0x2b8/0x310 [ 19.076058] Read of size 1 at addr ffff800080967b5f by task kunit_try_catch/251 [ 19.076180] [ 19.076226] CPU: 1 UID: 0 PID: 251 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc4 #1 PREEMPT [ 19.076310] Tainted: [B]=BAD_PAGE, [N]=TEST [ 19.076904] Hardware name: linux,dummy-virt (DT) [ 19.076985] Call trace: [ 19.077047] show_stack+0x20/0x38 (C) [ 19.077189] dump_stack_lvl+0x8c/0xd0 [ 19.077352] print_report+0x310/0x608 [ 19.077446] kasan_report+0xdc/0x128 [ 19.077647] __asan_report_load1_noabort+0x20/0x30 [ 19.077728] kasan_alloca_oob_left+0x2b8/0x310 [ 19.077816] kunit_try_run_case+0x170/0x3f0 [ 19.077871] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 19.078025] kthread+0x328/0x630 [ 19.078104] ret_from_fork+0x10/0x20 [ 19.078188] [ 19.078220] The buggy address belongs to stack of task kunit_try_catch/251 [ 19.078311] [ 19.078350] The buggy address belongs to the virtual mapping at [ 19.078350] [ffff800080960000, ffff800080969000) created by: [ 19.078350] kernel_clone+0x150/0x7a8 [ 19.078428] [ 19.078462] The buggy address belongs to the physical page: [ 19.078513] page: refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x10583f [ 19.078578] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff) [ 19.078649] raw: 0bfffe0000000000 0000000000000000 dead000000000122 0000000000000000 [ 19.078711] raw: 0000000000000000 0000000000000000 00000001ffffffff 0000000000000000 [ 19.078756] page dumped because: kasan: bad access detected [ 19.078789] [ 19.078826] Memory state around the buggy address: [ 19.078873] ffff800080967a00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 19.078919] ffff800080967a80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 19.078964] >ffff800080967b00: 00 00 00 00 00 00 00 00 ca ca ca ca 00 02 cb cb [ 19.079005] ^ [ 19.079058] ffff800080967b80: cb cb cb cb 00 00 00 00 f1 f1 f1 f1 01 f2 04 f2 [ 19.079104] ffff800080967c00: 00 f2 f2 f2 00 00 f3 f3 00 00 00 00 00 00 00 00 [ 19.079144] ==================================================================
[ 13.242976] ================================================================== [ 13.243675] BUG: KASAN: alloca-out-of-bounds in kasan_alloca_oob_left+0x320/0x380 [ 13.244433] Read of size 1 at addr ffff888103997c3f by task kunit_try_catch/269 [ 13.244821] [ 13.244923] CPU: 0 UID: 0 PID: 269 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc4 #1 PREEMPT(voluntary) [ 13.244971] Tainted: [B]=BAD_PAGE, [N]=TEST [ 13.244984] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 13.245006] Call Trace: [ 13.245019] <TASK> [ 13.245042] dump_stack_lvl+0x73/0xb0 [ 13.245070] print_report+0xd1/0x650 [ 13.245094] ? __virt_addr_valid+0x1db/0x2d0 [ 13.245132] ? kasan_alloca_oob_left+0x320/0x380 [ 13.245153] ? kasan_addr_to_slab+0x11/0xa0 [ 13.245173] ? kasan_alloca_oob_left+0x320/0x380 [ 13.245195] kasan_report+0x141/0x180 [ 13.245217] ? kasan_alloca_oob_left+0x320/0x380 [ 13.245242] __asan_report_load1_noabort+0x18/0x20 [ 13.245330] kasan_alloca_oob_left+0x320/0x380 [ 13.245355] ? __kasan_check_write+0x18/0x20 [ 13.245374] ? __pfx_sched_clock_cpu+0x10/0x10 [ 13.245397] ? finish_task_switch.isra.0+0x153/0x700 [ 13.245450] ? out_of_line_wait_on_bit_timeout+0x7e/0x190 [ 13.245476] ? trace_hardirqs_on+0x37/0xe0 [ 13.245501] ? __pfx_kasan_alloca_oob_left+0x10/0x10 [ 13.245525] ? __schedule+0x10cc/0x2b60 [ 13.245546] ? __pfx_read_tsc+0x10/0x10 [ 13.245567] ? ktime_get_ts64+0x86/0x230 [ 13.245590] kunit_try_run_case+0x1a5/0x480 [ 13.245636] ? __pfx_kunit_try_run_case+0x10/0x10 [ 13.245668] ? _raw_spin_lock_irqsave+0xa1/0x100 [ 13.245692] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 13.245715] ? __kthread_parkme+0x82/0x180 [ 13.245735] ? preempt_count_sub+0x50/0x80 [ 13.245757] ? __pfx_kunit_try_run_case+0x10/0x10 [ 13.245779] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 13.245801] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 13.245823] kthread+0x337/0x6f0 [ 13.245843] ? trace_preempt_on+0x20/0xc0 [ 13.245864] ? __pfx_kthread+0x10/0x10 [ 13.245884] ? _raw_spin_unlock_irq+0x47/0x80 [ 13.245904] ? calculate_sigpending+0x7b/0xa0 [ 13.245929] ? __pfx_kthread+0x10/0x10 [ 13.245949] ret_from_fork+0x116/0x1d0 [ 13.245967] ? __pfx_kthread+0x10/0x10 [ 13.245987] ret_from_fork_asm+0x1a/0x30 [ 13.246017] </TASK> [ 13.246029] [ 13.257524] The buggy address belongs to stack of task kunit_try_catch/269 [ 13.257873] [ 13.257947] The buggy address belongs to the physical page: [ 13.258217] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x103997 [ 13.258660] flags: 0x200000000000000(node=0|zone=2) [ 13.258967] raw: 0200000000000000 ffffea00040e65c8 ffffea00040e65c8 0000000000000000 [ 13.259600] raw: 0000000000000000 0000000000000000 00000000ffffffff 0000000000000000 [ 13.259953] page dumped because: kasan: bad access detected [ 13.260360] [ 13.260485] Memory state around the buggy address: [ 13.260735] ffff888103997b00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 13.261058] ffff888103997b80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 13.261526] >ffff888103997c00: 00 00 00 00 ca ca ca ca 00 02 cb cb cb cb cb cb [ 13.261867] ^ [ 13.262135] ffff888103997c80: 00 00 00 f1 f1 f1 f1 01 f2 04 f2 00 f2 f2 f2 00 [ 13.262594] ffff888103997d00: 00 f3 f3 00 00 00 00 00 00 00 00 00 00 00 00 f1 [ 13.262883] ==================================================================