Date
July 3, 2025, 10:10 a.m.
| Environment | |
|---|---|
| dragonboard-845c | |
| qemu-arm64 | |
| qemu-x86_64 |
[ 52.272512] ================================================================== [ 52.284077] BUG: KASAN: alloca-out-of-bounds in kasan_alloca_oob_right+0x2dc/0x340 [ 52.291757] Read of size 1 at addr ffff8000843d7b4a by task kunit_try_catch/362 [ 52.299162] [ 52.300698] CPU: 2 UID: 0 PID: 362 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc4-next-20250703 #1 PREEMPT [ 52.300730] Tainted: [B]=BAD_PAGE, [N]=TEST [ 52.300738] Hardware name: Thundercomm Dragonboard 845c (DT) [ 52.300751] Call trace: [ 52.300760] show_stack+0x20/0x38 (C) [ 52.300778] dump_stack_lvl+0x8c/0xd0 [ 52.300803] print_report+0x310/0x608 [ 52.300824] kasan_report+0xdc/0x128 [ 52.300845] __asan_report_load1_noabort+0x20/0x30 [ 52.300865] kasan_alloca_oob_right+0x2dc/0x340 [ 52.300883] kunit_try_run_case+0x170/0x3f0 [ 52.300904] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 52.300925] kthread+0x328/0x630 [ 52.300941] ret_from_fork+0x10/0x20 [ 52.300961] [ 52.367018] The buggy address belongs to stack of task kunit_try_catch/362 [ 52.373999] [ 52.375534] The buggy address belongs to the virtual mapping at [ 52.375534] [ffff8000843d0000, ffff8000843d9000) created by: [ 52.375534] kernel_clone+0x150/0x7a8 [ 52.391014] [ 52.392550] The buggy address belongs to the physical page: [ 52.398196] page: refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x105592 [ 52.406303] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff) [ 52.412922] raw: 0bfffe0000000000 0000000000000000 dead000000000122 0000000000000000 [ 52.420772] raw: 0000000000000000 0000000000000000 00000001ffffffff 0000000000000000 [ 52.428617] page dumped because: kasan: bad access detected [ 52.434264] [ 52.435794] Memory state around the buggy address: [ 52.440654] ffff8000843d7a00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 52.447971] ffff8000843d7a80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 52.455288] >ffff8000843d7b00: 00 00 00 00 ca ca ca ca 00 02 cb cb cb cb cb cb [ 52.462602] ^ [ 52.468252] ffff8000843d7b80: 00 00 00 00 00 00 00 00 f1 f1 f1 f1 01 f2 04 f2 [ 52.475569] ffff8000843d7c00: 00 f2 f2 f2 00 00 f3 f3 00 00 00 00 00 00 00 00 [ 52.482883] ==================================================================
[ 33.253232] ================================================================== [ 33.253294] BUG: KASAN: alloca-out-of-bounds in kasan_alloca_oob_right+0x2dc/0x340 [ 33.253352] Read of size 1 at addr ffff800080a17b4a by task kunit_try_catch/285 [ 33.253406] [ 33.253441] CPU: 0 UID: 0 PID: 285 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc4-next-20250703 #1 PREEMPT [ 33.253530] Tainted: [B]=BAD_PAGE, [N]=TEST [ 33.253558] Hardware name: linux,dummy-virt (DT) [ 33.253594] Call trace: [ 33.253618] show_stack+0x20/0x38 (C) [ 33.253670] dump_stack_lvl+0x8c/0xd0 [ 33.253723] print_report+0x310/0x608 [ 33.254051] kasan_report+0xdc/0x128 [ 33.254130] __asan_report_load1_noabort+0x20/0x30 [ 33.254250] kasan_alloca_oob_right+0x2dc/0x340 [ 33.254495] kunit_try_run_case+0x170/0x3f0 [ 33.254606] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 33.255385] kthread+0x328/0x630 [ 33.255803] ret_from_fork+0x10/0x20 [ 33.256122] [ 33.256149] The buggy address belongs to stack of task kunit_try_catch/285 [ 33.256206] [ 33.256233] The buggy address belongs to the virtual mapping at [ 33.256233] [ffff800080a10000, ffff800080a19000) created by: [ 33.256233] kernel_clone+0x150/0x7a8 [ 33.256880] [ 33.256915] The buggy address belongs to the physical page: [ 33.257004] page: refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x109855 [ 33.257113] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff) [ 33.257180] raw: 0bfffe0000000000 0000000000000000 dead000000000122 0000000000000000 [ 33.257235] raw: 0000000000000000 0000000000000000 00000001ffffffff 0000000000000000 [ 33.257304] page dumped because: kasan: bad access detected [ 33.257338] [ 33.257358] Memory state around the buggy address: [ 33.257393] ffff800080a17a00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 33.257438] ffff800080a17a80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 33.257658] >ffff800080a17b00: 00 00 00 00 ca ca ca ca 00 02 cb cb cb cb cb cb [ 33.257862] ^ [ 33.257905] ffff800080a17b80: 00 00 00 00 00 00 00 00 f1 f1 f1 f1 01 f2 04 f2 [ 33.257954] ffff800080a17c00: 00 f2 f2 f2 00 00 f3 f3 00 00 00 00 00 00 00 00 [ 33.257996] ==================================================================
[ 25.026537] ================================================================== [ 25.027078] BUG: KASAN: alloca-out-of-bounds in kasan_alloca_oob_right+0x329/0x390 [ 25.027485] Read of size 1 at addr ffff8881061ffc4a by task kunit_try_catch/302 [ 25.027821] [ 25.027913] CPU: 0 UID: 0 PID: 302 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc4-next-20250703 #1 PREEMPT(voluntary) [ 25.027961] Tainted: [B]=BAD_PAGE, [N]=TEST [ 25.027974] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 25.027996] Call Trace: [ 25.028009] <TASK> [ 25.028024] dump_stack_lvl+0x73/0xb0 [ 25.028055] print_report+0xd1/0x650 [ 25.028077] ? __virt_addr_valid+0x1db/0x2d0 [ 25.028101] ? kasan_alloca_oob_right+0x329/0x390 [ 25.028124] ? kasan_addr_to_slab+0x11/0xa0 [ 25.028157] ? kasan_alloca_oob_right+0x329/0x390 [ 25.028180] kasan_report+0x141/0x180 [ 25.028202] ? kasan_alloca_oob_right+0x329/0x390 [ 25.028229] __asan_report_load1_noabort+0x18/0x20 [ 25.028254] kasan_alloca_oob_right+0x329/0x390 [ 25.028275] ? __kasan_check_write+0x18/0x20 [ 25.028299] ? __pfx_sched_clock_cpu+0x10/0x10 [ 25.028320] ? finish_task_switch.isra.0+0x153/0x700 [ 25.028343] ? rwsem_down_read_slowpath+0x58e/0xb90 [ 25.028369] ? trace_hardirqs_on+0x37/0xe0 [ 25.028393] ? __pfx_kasan_alloca_oob_right+0x10/0x10 [ 25.028420] ? trace_hardirqs_on+0x37/0xe0 [ 25.028441] ? __pfx_read_tsc+0x10/0x10 [ 25.028472] ? ktime_get_ts64+0x86/0x230 [ 25.028497] kunit_try_run_case+0x1a5/0x480 [ 25.028524] ? __pfx_kunit_try_run_case+0x10/0x10 [ 25.028550] ? _raw_spin_lock_irqsave+0xa1/0x100 [ 25.028573] ? __kthread_parkme+0x82/0x180 [ 25.028595] ? preempt_count_sub+0x50/0x80 [ 25.028618] ? __pfx_kunit_try_run_case+0x10/0x10 [ 25.028643] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 25.028667] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 25.028691] kthread+0x337/0x6f0 [ 25.028711] ? trace_preempt_on+0x20/0xc0 [ 25.028732] ? __pfx_kthread+0x10/0x10 [ 25.028753] ? _raw_spin_unlock_irq+0x47/0x80 [ 25.028779] ? calculate_sigpending+0x7b/0xa0 [ 25.028803] ? __pfx_kthread+0x10/0x10 [ 25.028825] ret_from_fork+0x116/0x1d0 [ 25.028845] ? __pfx_kthread+0x10/0x10 [ 25.028866] ret_from_fork_asm+0x1a/0x30 [ 25.028897] </TASK> [ 25.028908] [ 25.039326] The buggy address belongs to stack of task kunit_try_catch/302 [ 25.039802] [ 25.040027] The buggy address belongs to the physical page: [ 25.040361] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1061ff [ 25.040813] flags: 0x200000000000000(node=0|zone=2) [ 25.041122] raw: 0200000000000000 ffffea0004187fc8 ffffea0004187fc8 0000000000000000 [ 25.041737] raw: 0000000000000000 0000000000000000 00000000ffffffff 0000000000000000 [ 25.042125] page dumped because: kasan: bad access detected [ 25.042614] [ 25.042712] Memory state around the buggy address: [ 25.043000] ffff8881061ffb00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 25.043569] ffff8881061ffb80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 25.043828] >ffff8881061ffc00: 00 00 00 00 ca ca ca ca 00 02 cb cb cb cb cb cb [ 25.044373] ^ [ 25.044574] ffff8881061ffc80: 00 00 00 f1 f1 f1 f1 01 f2 04 f2 00 f2 f2 f2 00 [ 25.044895] ffff8881061ffd00: 00 f3 f3 00 00 00 00 00 00 00 00 00 00 00 00 f1 [ 25.045562] ==================================================================