Date
July 5, 2025, 11:11 p.m.
| Environment | |
|---|---|
| qemu-arm64 | |
| qemu-x86_64 |
[ 20.415826] ================================================================== [ 20.415930] BUG: KASAN: alloca-out-of-bounds in kasan_alloca_oob_right+0x2dc/0x340 [ 20.415989] Read of size 1 at addr ffff800080a07b4a by task kunit_try_catch/253 [ 20.416042] [ 20.416300] CPU: 0 UID: 0 PID: 253 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc4 #1 PREEMPT [ 20.416474] Tainted: [B]=BAD_PAGE, [N]=TEST [ 20.416686] Hardware name: linux,dummy-virt (DT) [ 20.416895] Call trace: [ 20.417033] show_stack+0x20/0x38 (C) [ 20.417175] dump_stack_lvl+0x8c/0xd0 [ 20.417254] print_report+0x310/0x608 [ 20.417304] kasan_report+0xdc/0x128 [ 20.417351] __asan_report_load1_noabort+0x20/0x30 [ 20.417584] kasan_alloca_oob_right+0x2dc/0x340 [ 20.417673] kunit_try_run_case+0x170/0x3f0 [ 20.418073] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 20.418163] kthread+0x328/0x630 [ 20.418207] ret_from_fork+0x10/0x20 [ 20.418259] [ 20.418314] The buggy address belongs to stack of task kunit_try_catch/253 [ 20.418486] [ 20.418572] The buggy address belongs to the virtual mapping at [ 20.418572] [ffff800080a00000, ffff800080a09000) created by: [ 20.418572] kernel_clone+0x150/0x7a8 [ 20.418652] [ 20.418740] The buggy address belongs to the physical page: [ 20.418811] page: refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x107922 [ 20.418993] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff) [ 20.419125] raw: 0bfffe0000000000 0000000000000000 dead000000000122 0000000000000000 [ 20.419452] raw: 0000000000000000 0000000000000000 00000001ffffffff 0000000000000000 [ 20.419500] page dumped because: kasan: bad access detected [ 20.419535] [ 20.419555] Memory state around the buggy address: [ 20.419729] ffff800080a07a00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 20.419783] ffff800080a07a80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 20.419828] >ffff800080a07b00: 00 00 00 00 ca ca ca ca 00 02 cb cb cb cb cb cb [ 20.419868] ^ [ 20.420287] ffff800080a07b80: 00 00 00 00 00 00 00 00 f1 f1 f1 f1 01 f2 04 f2 [ 20.420405] ffff800080a07c00: 00 f2 f2 f2 00 00 f3 f3 00 00 00 00 00 00 00 00 [ 20.420447] ==================================================================
[ 15.644607] ================================================================== [ 15.645185] BUG: KASAN: alloca-out-of-bounds in kasan_alloca_oob_right+0x329/0x390 [ 15.646261] Read of size 1 at addr ffff888103a5fc4a by task kunit_try_catch/271 [ 15.647033] [ 15.647274] CPU: 0 UID: 0 PID: 271 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc4 #1 PREEMPT(voluntary) [ 15.647328] Tainted: [B]=BAD_PAGE, [N]=TEST [ 15.647345] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 15.647372] Call Trace: [ 15.647388] <TASK> [ 15.647409] dump_stack_lvl+0x73/0xb0 [ 15.647447] print_report+0xd1/0x650 [ 15.647474] ? __virt_addr_valid+0x1db/0x2d0 [ 15.647500] ? kasan_alloca_oob_right+0x329/0x390 [ 15.647527] ? kasan_addr_to_slab+0x11/0xa0 [ 15.647551] ? kasan_alloca_oob_right+0x329/0x390 [ 15.647577] kasan_report+0x141/0x180 [ 15.647601] ? kasan_alloca_oob_right+0x329/0x390 [ 15.647633] __asan_report_load1_noabort+0x18/0x20 [ 15.647660] kasan_alloca_oob_right+0x329/0x390 [ 15.647683] ? pick_eevdf+0x3c9/0x590 [ 15.647710] ? __pfx_sched_clock_cpu+0x10/0x10 [ 15.647734] ? finish_task_switch.isra.0+0x153/0x700 [ 15.647783] ? ww_mutex_unlock+0x6e/0x150 [ 15.647822] ? trace_hardirqs_on+0x37/0xe0 [ 15.647851] ? __pfx_kasan_alloca_oob_right+0x10/0x10 [ 15.647881] ? __schedule+0x10cc/0x2b60 [ 15.647904] ? __pfx_read_tsc+0x10/0x10 [ 15.647928] ? ktime_get_ts64+0x86/0x230 [ 15.647955] kunit_try_run_case+0x1a5/0x480 [ 15.647984] ? __pfx_kunit_try_run_case+0x10/0x10 [ 15.648008] ? _raw_spin_lock_irqsave+0xa1/0x100 [ 15.648035] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 15.648063] ? __kthread_parkme+0x82/0x180 [ 15.648088] ? preempt_count_sub+0x50/0x80 [ 15.648114] ? __pfx_kunit_try_run_case+0x10/0x10 [ 15.648143] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 15.648168] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 15.648195] kthread+0x337/0x6f0 [ 15.648218] ? trace_preempt_on+0x20/0xc0 [ 15.648242] ? __pfx_kthread+0x10/0x10 [ 15.648266] ? _raw_spin_unlock_irq+0x47/0x80 [ 15.648290] ? calculate_sigpending+0x7b/0xa0 [ 15.648317] ? __pfx_kthread+0x10/0x10 [ 15.648341] ret_from_fork+0x116/0x1d0 [ 15.648363] ? __pfx_kthread+0x10/0x10 [ 15.648386] ret_from_fork_asm+0x1a/0x30 [ 15.648423] </TASK> [ 15.648438] [ 15.664029] The buggy address belongs to stack of task kunit_try_catch/271 [ 15.664936] [ 15.665186] The buggy address belongs to the physical page: [ 15.665579] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x103a5f [ 15.665985] flags: 0x200000000000000(node=0|zone=2) [ 15.666278] raw: 0200000000000000 ffffea00040e97c8 ffffea00040e97c8 0000000000000000 [ 15.667038] raw: 0000000000000000 0000000000000000 00000000ffffffff 0000000000000000 [ 15.667598] page dumped because: kasan: bad access detected [ 15.667815] [ 15.667896] Memory state around the buggy address: [ 15.668079] ffff888103a5fb00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 15.668331] ffff888103a5fb80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 15.668769] >ffff888103a5fc00: 00 00 00 00 ca ca ca ca 00 02 cb cb cb cb cb cb [ 15.669077] ^ [ 15.669652] ffff888103a5fc80: 00 00 00 f1 f1 f1 f1 01 f2 04 f2 00 f2 f2 f2 00 [ 15.669956] ffff888103a5fd00: 00 f3 f3 00 00 00 00 00 00 00 00 00 00 00 00 f1 [ 15.670601] ==================================================================