Date
June 3, 2025, 7:38 a.m.
| Environment | |
|---|---|
| qemu-arm64 | |
| qemu-x86_64 |
[ 20.641169] ================================================================== [ 20.641250] BUG: KASAN: alloca-out-of-bounds in kasan_alloca_oob_left+0x2b8/0x310 [ 20.641317] Read of size 1 at addr ffff800080a97b5f by task kunit_try_catch/251 [ 20.641610] [ 20.641735] CPU: 1 UID: 0 PID: 251 Comm: kunit_try_catch Tainted: G B N 6.15.0-next-20250603 #1 PREEMPT [ 20.642043] Tainted: [B]=BAD_PAGE, [N]=TEST [ 20.642183] Hardware name: linux,dummy-virt (DT) [ 20.642358] Call trace: [ 20.642382] show_stack+0x20/0x38 (C) [ 20.642679] dump_stack_lvl+0x8c/0xd0 [ 20.643283] print_report+0x310/0x608 [ 20.643568] kasan_report+0xdc/0x128 [ 20.643644] __asan_report_load1_noabort+0x20/0x30 [ 20.643698] kasan_alloca_oob_left+0x2b8/0x310 [ 20.643747] kunit_try_run_case+0x170/0x3f0 [ 20.643799] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 20.643855] kthread+0x328/0x630 [ 20.643900] ret_from_fork+0x10/0x20 [ 20.644153] [ 20.644224] The buggy address belongs to stack of task kunit_try_catch/251 [ 20.644494] [ 20.644528] The buggy address belongs to the virtual mapping at [ 20.644528] [ffff800080a90000, ffff800080a99000) created by: [ 20.644528] kernel_clone+0x150/0x7a8 [ 20.644610] [ 20.644634] The buggy address belongs to the physical page: [ 20.644668] page: refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1065cd [ 20.644722] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff) [ 20.644792] raw: 0bfffe0000000000 0000000000000000 dead000000000122 0000000000000000 [ 20.644862] raw: 0000000000000000 0000000000000000 00000001ffffffff 0000000000000000 [ 20.644906] page dumped because: kasan: bad access detected [ 20.645103] [ 20.645125] Memory state around the buggy address: [ 20.645477] ffff800080a97a00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 20.645770] ffff800080a97a80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 20.645817] >ffff800080a97b00: 00 00 00 00 00 00 00 00 ca ca ca ca 00 02 cb cb [ 20.645858] ^ [ 20.645951] ffff800080a97b80: cb cb cb cb 00 00 00 00 f1 f1 f1 f1 01 f2 04 f2 [ 20.645996] ffff800080a97c00: 00 f2 f2 f2 00 00 f3 f3 00 00 00 00 00 00 00 00 [ 20.646151] ==================================================================
KNOWN ISSUE - log-parser-boot/kasan-bug-kasan-alloca-out-of-bounds-in-kasan_alloca_oob_left: Failure
[ 16.727637] ================================================================== [ 16.728296] BUG: KASAN: alloca-out-of-bounds in kasan_alloca_oob_left+0x320/0x380 [ 16.728777] Read of size 1 at addr ffff888103a1fc3f by task kunit_try_catch/268 [ 16.729225] [ 16.729409] CPU: 1 UID: 0 PID: 268 Comm: kunit_try_catch Tainted: G B N 6.15.0-next-20250603 #1 PREEMPT(voluntary) [ 16.729489] Tainted: [B]=BAD_PAGE, [N]=TEST [ 16.729506] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 16.729544] Call Trace: [ 16.729563] <TASK> [ 16.729589] dump_stack_lvl+0x73/0xb0 [ 16.729634] print_report+0xd1/0x650 [ 16.729666] ? __virt_addr_valid+0x1db/0x2d0 [ 16.729694] ? kasan_alloca_oob_left+0x320/0x380 [ 16.729793] ? kasan_addr_to_slab+0x11/0xa0 [ 16.729819] ? kasan_alloca_oob_left+0x320/0x380 [ 16.729861] kasan_report+0x141/0x180 [ 16.729888] ? kasan_alloca_oob_left+0x320/0x380 [ 16.729919] __asan_report_load1_noabort+0x18/0x20 [ 16.729943] kasan_alloca_oob_left+0x320/0x380 [ 16.729971] ? finish_task_switch.isra.0+0x153/0x700 [ 16.729997] ? __ww_mutex_lock.constprop.0+0xc5e/0x1e90 [ 16.730024] ? trace_hardirqs_on+0x37/0xe0 [ 16.730052] ? __pfx_kasan_alloca_oob_left+0x10/0x10 [ 16.730080] ? __schedule+0x10cc/0x2b60 [ 16.730105] ? __pfx_read_tsc+0x10/0x10 [ 16.730142] ? ktime_get_ts64+0x86/0x230 [ 16.730175] kunit_try_run_case+0x1a5/0x480 [ 16.730225] ? __pfx_kunit_try_run_case+0x10/0x10 [ 16.730249] ? _raw_spin_lock_irqsave+0xa1/0x100 [ 16.730275] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 16.730301] ? __kthread_parkme+0x82/0x180 [ 16.730325] ? preempt_count_sub+0x50/0x80 [ 16.730350] ? __pfx_kunit_try_run_case+0x10/0x10 [ 16.730373] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 16.730399] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 16.730426] kthread+0x337/0x6f0 [ 16.730447] ? trace_preempt_on+0x20/0xc0 [ 16.730490] ? __pfx_kthread+0x10/0x10 [ 16.730515] ? _raw_spin_unlock_irq+0x47/0x80 [ 16.730539] ? calculate_sigpending+0x7b/0xa0 [ 16.730567] ? __pfx_kthread+0x10/0x10 [ 16.730590] ret_from_fork+0x116/0x1d0 [ 16.730613] ? __pfx_kthread+0x10/0x10 [ 16.730636] ret_from_fork_asm+0x1a/0x30 [ 16.730670] </TASK> [ 16.730743] [ 16.739922] The buggy address belongs to stack of task kunit_try_catch/268 [ 16.740481] [ 16.740651] The buggy address belongs to the physical page: [ 16.740947] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x103a1f [ 16.741472] flags: 0x200000000000000(node=0|zone=2) [ 16.741650] raw: 0200000000000000 ffffea00040e87c8 ffffea00040e87c8 0000000000000000 [ 16.742136] raw: 0000000000000000 0000000000000000 00000000ffffffff 0000000000000000 [ 16.742657] page dumped because: kasan: bad access detected [ 16.742924] [ 16.742988] Memory state around the buggy address: [ 16.743111] ffff888103a1fb00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 16.743315] ffff888103a1fb80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 16.743836] >ffff888103a1fc00: 00 00 00 00 ca ca ca ca 00 02 cb cb cb cb cb cb [ 16.744101] ^ [ 16.744231] ffff888103a1fc80: 00 00 00 f1 f1 f1 f1 01 f2 04 f2 00 f2 f2 f2 00 [ 16.744385] ffff888103a1fd00: 00 f3 f3 00 00 00 00 00 00 00 00 00 00 00 00 f1 [ 16.745027] ==================================================================
KNOWN ISSUE - log-parser-boot/kasan-bug-kasan-alloca-out-of-bounds-in-kasan_alloca_oob_left: Failure