Date
July 18, 2025, 1:09 p.m.
| Environment | |
|---|---|
| qemu-arm64 | |
| qemu-x86_64 |
[ 33.781427] ================================================================== [ 33.781528] BUG: KASAN: alloca-out-of-bounds in kasan_alloca_oob_left+0x2b8/0x310 [ 33.781936] Read of size 1 at addr ffff800080af7b5f by task kunit_try_catch/282 [ 33.782007] [ 33.782398] CPU: 0 UID: 0 PID: 282 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc6-next-20250718 #1 PREEMPT [ 33.782670] Tainted: [B]=BAD_PAGE, [N]=TEST [ 33.782718] Hardware name: linux,dummy-virt (DT) [ 33.782767] Call trace: [ 33.782804] show_stack+0x20/0x38 (C) [ 33.782869] dump_stack_lvl+0x8c/0xd0 [ 33.783097] print_report+0x310/0x5e8 [ 33.783375] kasan_report+0xdc/0x128 [ 33.783617] __asan_report_load1_noabort+0x20/0x30 [ 33.783813] kasan_alloca_oob_left+0x2b8/0x310 [ 33.783880] kunit_try_run_case+0x170/0x3f0 [ 33.783928] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 33.783981] kthread+0x328/0x630 [ 33.784266] ret_from_fork+0x10/0x20 [ 33.784603] [ 33.784667] The buggy address belongs to stack of task kunit_try_catch/282 [ 33.784833] [ 33.784917] The buggy address belongs to a 8-page vmalloc region starting at 0xffff800080af0000 allocated at kernel_clone+0x150/0x7b0 [ 33.785177] The buggy address belongs to the physical page: [ 33.785250] page: refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x103f92 [ 33.785388] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff) [ 33.785483] raw: 0bfffe0000000000 0000000000000000 dead000000000122 0000000000000000 [ 33.785579] raw: 0000000000000000 0000000000000000 00000001ffffffff 0000000000000000 [ 33.785650] page dumped because: kasan: bad access detected [ 33.785683] [ 33.786023] Memory state around the buggy address: [ 33.786129] ffff800080af7a00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 33.786206] ffff800080af7a80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 33.786280] >ffff800080af7b00: 00 00 00 00 00 00 00 00 ca ca ca ca 00 02 cb cb [ 33.786334] ^ [ 33.786663] ffff800080af7b80: cb cb cb cb 00 00 00 00 f1 f1 f1 f1 01 f2 04 f2 [ 33.786810] ffff800080af7c00: 00 f2 f2 f2 00 00 f3 f3 00 00 00 00 00 00 00 00 [ 33.786873] ==================================================================
KNOWN ISSUE - log-parser-boot/kasan-bug-kasan-alloca-out-of-bounds-in-kasan_alloca_oob_left: Failure
[ 26.699563] ================================================================== [ 26.700923] BUG: KASAN: alloca-out-of-bounds in kasan_alloca_oob_left+0x320/0x380 [ 26.701876] Read of size 1 at addr ffff8881062ffc3f by task kunit_try_catch/299 [ 26.703023] [ 26.703129] CPU: 1 UID: 0 PID: 299 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc6-next-20250718 #1 PREEMPT(voluntary) [ 26.703185] Tainted: [B]=BAD_PAGE, [N]=TEST [ 26.703198] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 26.703220] Call Trace: [ 26.703234] <TASK> [ 26.703252] dump_stack_lvl+0x73/0xb0 [ 26.703303] print_report+0xd1/0x640 [ 26.703326] ? __virt_addr_valid+0x1db/0x2d0 [ 26.703352] ? kasan_alloca_oob_left+0x320/0x380 [ 26.703374] ? kasan_addr_to_slab+0x11/0xa0 [ 26.703394] ? kasan_alloca_oob_left+0x320/0x380 [ 26.703415] kasan_report+0x141/0x180 [ 26.703436] ? kasan_alloca_oob_left+0x320/0x380 [ 26.703462] __asan_report_load1_noabort+0x18/0x20 [ 26.703485] kasan_alloca_oob_left+0x320/0x380 [ 26.703506] ? __kasan_check_write+0x18/0x20 [ 26.703528] ? __pfx_sched_clock_cpu+0x10/0x10 [ 26.703551] ? finish_task_switch.isra.0+0x153/0x700 [ 26.703573] ? __ww_mutex_lock.constprop.0+0x13ce/0x2570 [ 26.703602] ? trace_hardirqs_on+0x37/0xe0 [ 26.703628] ? __pfx_kasan_alloca_oob_left+0x10/0x10 [ 26.703652] ? __schedule+0x10da/0x2b60 [ 26.703674] ? __pfx_read_tsc+0x10/0x10 [ 26.703696] ? ktime_get_ts64+0x86/0x230 [ 26.703721] kunit_try_run_case+0x1a5/0x480 [ 26.703746] ? __pfx_kunit_try_run_case+0x10/0x10 [ 26.703768] ? _raw_spin_lock_irqsave+0xa1/0x100 [ 26.703810] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 26.703842] ? __kthread_parkme+0x82/0x180 [ 26.703862] ? preempt_count_sub+0x50/0x80 [ 26.703884] ? __pfx_kunit_try_run_case+0x10/0x10 [ 26.703906] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 26.703929] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 26.703951] kthread+0x337/0x6f0 [ 26.703971] ? trace_preempt_on+0x20/0xc0 [ 26.703993] ? __pfx_kthread+0x10/0x10 [ 26.704012] ? _raw_spin_unlock_irq+0x47/0x80 [ 26.704042] ? calculate_sigpending+0x7b/0xa0 [ 26.704066] ? __pfx_kthread+0x10/0x10 [ 26.704087] ret_from_fork+0x116/0x1d0 [ 26.704106] ? __pfx_kthread+0x10/0x10 [ 26.704126] ret_from_fork_asm+0x1a/0x30 [ 26.704157] </TASK> [ 26.704169] [ 26.712778] The buggy address belongs to stack of task kunit_try_catch/299 [ 26.713116] [ 26.713203] The buggy address belongs to the physical page: [ 26.713459] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1062ff [ 26.713807] flags: 0x200000000000000(node=0|zone=2) [ 26.714050] raw: 0200000000000000 ffffea000418bfc8 ffffea000418bfc8 0000000000000000 [ 26.714391] raw: 0000000000000000 0000000000000000 00000000ffffffff 0000000000000000 [ 26.714625] page dumped because: kasan: bad access detected [ 26.714793] [ 26.714855] Memory state around the buggy address: [ 26.715003] ffff8881062ffb00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 26.715481] ffff8881062ffb80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 26.715875] >ffff8881062ffc00: 00 00 00 00 ca ca ca ca 00 02 cb cb cb cb cb cb [ 26.716199] ^ [ 26.716410] ffff8881062ffc80: 00 00 00 f1 f1 f1 f1 01 f2 04 f2 00 f2 f2 f2 00 [ 26.716623] ffff8881062ffd00: 00 f3 f3 00 00 00 00 00 00 00 00 00 00 00 00 f1 [ 26.716921] ==================================================================
KNOWN ISSUE - log-parser-boot/kasan-bug-kasan-alloca-out-of-bounds-in-kasan_alloca_oob_left: Failure