Date
March 19, 2025, 10:35 a.m.
| Environment | |
|---|---|
| qemu-arm64 | |
| qemu-x86_64 |
[ 37.714312] ================================================================== [ 37.714572] BUG: KASAN: stack-out-of-bounds in kasan_stack_oob+0x230/0x268 [ 37.714740] Read of size 1 at addr ffff800080947c2a by task kunit_try_catch/251 [ 37.714899] [ 37.715010] CPU: 1 UID: 0 PID: 251 Comm: kunit_try_catch Tainted: G B N 6.14.0-rc7-next-20250319 #1 PREEMPT [ 37.715705] Tainted: [B]=BAD_PAGE, [N]=TEST [ 37.715871] Hardware name: linux,dummy-virt (DT) [ 37.716163] Call trace: [ 37.716265] show_stack+0x20/0x38 (C) [ 37.716440] dump_stack_lvl+0x8c/0xd0 [ 37.716601] print_report+0x2fc/0x5f0 [ 37.716756] kasan_report+0xc8/0x118 [ 37.716901] __asan_report_load1_noabort+0x20/0x30 [ 37.717222] kasan_stack_oob+0x230/0x268 [ 37.717406] kunit_try_run_case+0x14c/0x3d0 [ 37.717580] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 37.717756] kthread+0x318/0x618 [ 37.718141] ret_from_fork+0x10/0x20 [ 37.718319] [ 37.718498] The buggy address belongs to stack of task kunit_try_catch/251 [ 37.719037] and is located at offset 138 in frame: [ 37.719184] kasan_stack_oob+0x0/0x268 [ 37.719540] [ 37.719667] This frame has 4 objects: [ 37.720073] [48, 49) '__assertion' [ 37.720772] [64, 72) 'array' [ 37.720929] [96, 112) '__assertion' [ 37.721102] [128, 138) 'stack_array' [ 37.721242] [ 37.721354] The buggy address belongs to the virtual mapping at [ 37.721354] [ffff800080940000, ffff800080949000) created by: [ 37.721354] kernel_clone+0x140/0x788 [ 37.721972] [ 37.722085] The buggy address belongs to the physical page: [ 37.722201] page: refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x10693d [ 37.722734] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff) [ 37.723353] raw: 0bfffe0000000000 0000000000000000 dead000000000122 0000000000000000 [ 37.723632] raw: 0000000000000000 0000000000000000 00000001ffffffff 0000000000000000 [ 37.724027] page dumped because: kasan: bad access detected [ 37.724247] [ 37.724326] Memory state around the buggy address: [ 37.724484] ffff800080947b00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 37.725009] ffff800080947b80: 00 00 00 00 f1 f1 f1 f1 f1 f1 01 f2 00 f2 f2 f2 [ 37.725234] >ffff800080947c00: 00 00 f2 f2 00 02 f3 f3 00 00 00 00 00 00 00 00 [ 37.725379] ^ [ 37.725490] ffff800080947c80: 00 00 00 00 00 00 00 00 f1 f1 f1 f1 00 00 f2 f2 [ 37.725747] ffff800080947d00: 00 00 f2 f2 00 00 f3 f3 00 00 00 00 00 00 00 00 [ 37.726338] ==================================================================
[ 24.628608] ================================================================== [ 24.630226] BUG: KASAN: stack-out-of-bounds in kasan_stack_oob+0x2ac/0x300 [ 24.631254] Read of size 1 at addr ffff8881039afd02 by task kunit_try_catch/270 [ 24.632331] [ 24.632605] CPU: 0 UID: 0 PID: 270 Comm: kunit_try_catch Tainted: G B N 6.14.0-rc7-next-20250319 #1 PREEMPT(voluntary) [ 24.632767] Tainted: [B]=BAD_PAGE, [N]=TEST [ 24.632970] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 24.633022] Call Trace: [ 24.633056] <TASK> [ 24.633087] dump_stack_lvl+0x73/0xb0 [ 24.633174] print_report+0xd1/0x660 [ 24.633230] ? __virt_addr_valid+0x1db/0x2d0 [ 24.633307] ? kasan_addr_to_slab+0x11/0xa0 [ 24.633343] kasan_report+0x104/0x140 [ 24.633373] ? kasan_stack_oob+0x2ac/0x300 [ 24.633407] ? kasan_stack_oob+0x2ac/0x300 [ 24.633446] __asan_report_load1_noabort+0x18/0x20 [ 24.633478] kasan_stack_oob+0x2ac/0x300 [ 24.633509] ? __pfx_kasan_stack_oob+0x10/0x10 [ 24.633538] ? finish_task_switch.isra.0+0x153/0x730 [ 24.633572] ? __switch_to+0x5d9/0xf70 [ 24.633611] ? __schedule+0xd46/0x29c0 [ 24.633643] ? __pfx_read_tsc+0x10/0x10 [ 24.633672] ? ktime_get_ts64+0x86/0x240 [ 24.633958] kunit_try_run_case+0x1b2/0x490 [ 24.634055] ? __pfx_kunit_try_run_case+0x10/0x10 [ 24.634188] ? _raw_spin_lock_irqsave+0xa1/0x100 [ 24.634273] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 24.634310] ? __kthread_parkme+0x82/0x160 [ 24.634344] ? preempt_count_sub+0x50/0x80 [ 24.634379] ? __pfx_kunit_try_run_case+0x10/0x10 [ 24.634414] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 24.634449] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 24.634482] kthread+0x323/0x710 [ 24.634512] ? trace_preempt_on+0x20/0xc0 [ 24.634547] ? __pfx_kthread+0x10/0x10 [ 24.634579] ? _raw_spin_unlock_irq+0x47/0x80 [ 24.634608] ? calculate_sigpending+0x7b/0xa0 [ 24.634641] ? __pfx_kthread+0x10/0x10 [ 24.634672] ret_from_fork+0x41/0x80 [ 24.634758] ? __pfx_kthread+0x10/0x10 [ 24.634817] ret_from_fork_asm+0x1a/0x30 [ 24.634891] </TASK> [ 24.634907] [ 24.654774] The buggy address belongs to stack of task kunit_try_catch/270 [ 24.655694] and is located at offset 138 in frame: [ 24.656521] kasan_stack_oob+0x0/0x300 [ 24.657700] [ 24.658002] This frame has 4 objects: [ 24.658480] [48, 49) '__assertion' [ 24.658541] [64, 72) 'array' [ 24.658934] [96, 112) '__assertion' [ 24.659336] [128, 138) 'stack_array' [ 24.659750] [ 24.661283] The buggy address belongs to the physical page: [ 24.661752] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1039af [ 24.662859] flags: 0x200000000000000(node=0|zone=2) [ 24.663696] raw: 0200000000000000 ffffea00040e6bc8 ffffea00040e6bc8 0000000000000000 [ 24.665209] raw: 0000000000000000 0000000000000000 00000000ffffffff 0000000000000000 [ 24.665770] page dumped because: kasan: bad access detected [ 24.666444] [ 24.666579] Memory state around the buggy address: [ 24.666967] ffff8881039afc00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 f1 [ 24.667875] ffff8881039afc80: f1 f1 f1 f1 f1 01 f2 00 f2 f2 f2 00 00 f2 f2 00 [ 24.669011] >ffff8881039afd00: 02 f3 f3 00 00 00 00 00 00 00 00 00 00 00 00 f1 [ 24.669539] ^ [ 24.670305] ffff8881039afd80: f1 f1 f1 00 00 f2 f2 00 00 f2 f2 00 00 f3 f3 00 [ 24.670805] ffff8881039afe00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 24.671311] ==================================================================