Date
June 26, 2025, 9:10 a.m.
| Environment | |
|---|---|
| dragonboard-845c | |
| qemu-arm64 | |
| qemu-x86_64 |
[ 51.218682] ================================================================== [ 51.229708] BUG: KASAN: alloca-out-of-bounds in kasan_alloca_oob_left+0x2b8/0x310 [ 51.237295] Read of size 1 at addr ffff8000841d7b5f by task kunit_try_catch/337 [ 51.244700] [ 51.246231] CPU: 6 UID: 0 PID: 337 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc3-next-20250626 #1 PREEMPT [ 51.246265] Tainted: [B]=BAD_PAGE, [N]=TEST [ 51.246273] Hardware name: Thundercomm Dragonboard 845c (DT) [ 51.246287] Call trace: [ 51.246295] show_stack+0x20/0x38 (C) [ 51.246313] dump_stack_lvl+0x8c/0xd0 [ 51.246332] print_report+0x310/0x608 [ 51.246351] kasan_report+0xdc/0x128 [ 51.246368] __asan_report_load1_noabort+0x20/0x30 [ 51.246386] kasan_alloca_oob_left+0x2b8/0x310 [ 51.246403] kunit_try_run_case+0x170/0x3f0 [ 51.246422] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 51.246445] kthread+0x328/0x630 [ 51.246458] ret_from_fork+0x10/0x20 [ 51.246476] [ 51.312391] The buggy address belongs to stack of task kunit_try_catch/337 [ 51.319362] [ 51.320895] The buggy address belongs to the virtual mapping at [ 51.320895] [ffff8000841d0000, ffff8000841d9000) created by: [ 51.320895] kernel_clone+0x150/0x7a8 [ 51.336358] [ 51.337884] The buggy address belongs to the physical page: [ 51.343525] page: refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1166e7 [ 51.351626] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff) [ 51.358248] raw: 0bfffe0000000000 0000000000000000 dead000000000122 0000000000000000 [ 51.366091] raw: 0000000000000000 0000000000000000 00000001ffffffff 0000000000000000 [ 51.373926] page dumped because: kasan: bad access detected [ 51.379567] [ 51.381089] Memory state around the buggy address: [ 51.385942] ffff8000841d7a00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 51.393259] ffff8000841d7a80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 51.400566] >ffff8000841d7b00: 00 00 00 00 00 00 00 00 ca ca ca ca 00 02 cb cb [ 51.407879] ^ [ 51.414048] ffff8000841d7b80: cb cb cb cb 00 00 00 00 f1 f1 f1 f1 01 f2 04 f2 [ 51.421354] ffff8000841d7c00: 00 f2 f2 f2 00 00 f3 f3 00 00 00 00 00 00 00 00 [ 51.428668] ==================================================================
[ 29.041195] ================================================================== [ 29.041271] BUG: KASAN: alloca-out-of-bounds in kasan_alloca_oob_left+0x2b8/0x310 [ 29.041328] Read of size 1 at addr ffff800080b17b5f by task kunit_try_catch/263 [ 29.041618] [ 29.041660] CPU: 0 UID: 0 PID: 263 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc3-next-20250626 #1 PREEMPT [ 29.041775] Tainted: [B]=BAD_PAGE, [N]=TEST [ 29.041804] Hardware name: linux,dummy-virt (DT) [ 29.041885] Call trace: [ 29.041911] show_stack+0x20/0x38 (C) [ 29.041962] dump_stack_lvl+0x8c/0xd0 [ 29.042014] print_report+0x310/0x608 [ 29.042195] kasan_report+0xdc/0x128 [ 29.042250] __asan_report_load1_noabort+0x20/0x30 [ 29.042299] kasan_alloca_oob_left+0x2b8/0x310 [ 29.042494] kunit_try_run_case+0x170/0x3f0 [ 29.042613] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 29.042698] kthread+0x328/0x630 [ 29.042753] ret_from_fork+0x10/0x20 [ 29.042804] [ 29.042826] The buggy address belongs to stack of task kunit_try_catch/263 [ 29.042937] [ 29.043028] The buggy address belongs to the virtual mapping at [ 29.043028] [ffff800080b10000, ffff800080b19000) created by: [ 29.043028] kernel_clone+0x150/0x7a8 [ 29.043160] [ 29.043182] The buggy address belongs to the physical page: [ 29.043239] page: refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x105785 [ 29.043294] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff) [ 29.043582] raw: 0bfffe0000000000 0000000000000000 dead000000000122 0000000000000000 [ 29.043669] raw: 0000000000000000 0000000000000000 00000001ffffffff 0000000000000000 [ 29.043748] page dumped because: kasan: bad access detected [ 29.043789] [ 29.043905] Memory state around the buggy address: [ 29.044042] ffff800080b17a00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 29.044137] ffff800080b17a80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 29.044261] >ffff800080b17b00: 00 00 00 00 00 00 00 00 ca ca ca ca 00 02 cb cb [ 29.044436] ^ [ 29.044539] ffff800080b17b80: cb cb cb cb 00 00 00 00 f1 f1 f1 f1 01 f2 04 f2 [ 29.044585] ffff800080b17c00: 00 f2 f2 f2 00 00 f3 f3 00 00 00 00 00 00 00 00 [ 29.044801] ==================================================================
[ 23.964415] ================================================================== [ 23.964870] BUG: KASAN: alloca-out-of-bounds in kasan_alloca_oob_left+0x320/0x380 [ 23.965296] Read of size 1 at addr ffff888103b77c3f by task kunit_try_catch/280 [ 23.965594] [ 23.965697] CPU: 0 UID: 0 PID: 280 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc3-next-20250626 #1 PREEMPT(voluntary) [ 23.965749] Tainted: [B]=BAD_PAGE, [N]=TEST [ 23.965761] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 23.965787] Call Trace: [ 23.965803] <TASK> [ 23.965825] dump_stack_lvl+0x73/0xb0 [ 23.965856] print_report+0xd1/0x650 [ 23.965879] ? __virt_addr_valid+0x1db/0x2d0 [ 23.965905] ? kasan_alloca_oob_left+0x320/0x380 [ 23.965926] ? kasan_addr_to_slab+0x11/0xa0 [ 23.965945] ? kasan_alloca_oob_left+0x320/0x380 [ 23.965966] kasan_report+0x141/0x180 [ 23.965988] ? kasan_alloca_oob_left+0x320/0x380 [ 23.966013] __asan_report_load1_noabort+0x18/0x20 [ 23.966170] kasan_alloca_oob_left+0x320/0x380 [ 23.966191] ? __kasan_check_write+0x18/0x20 [ 23.966215] ? __pfx_sched_clock_cpu+0x10/0x10 [ 23.966253] ? finish_task_switch.isra.0+0x153/0x700 [ 23.966277] ? down_write_killable+0x7e/0x180 [ 23.966301] ? trace_hardirqs_on+0x37/0xe0 [ 23.966327] ? __pfx_kasan_alloca_oob_left+0x10/0x10 [ 23.966350] ? __schedule+0x10cc/0x2b60 [ 23.966375] ? __pfx_read_tsc+0x10/0x10 [ 23.966397] ? ktime_get_ts64+0x86/0x230 [ 23.966423] kunit_try_run_case+0x1a5/0x480 [ 23.966450] ? __pfx_kunit_try_run_case+0x10/0x10 [ 23.966472] ? _raw_spin_lock_irqsave+0xa1/0x100 [ 23.966496] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 23.966520] ? __kthread_parkme+0x82/0x180 [ 23.966541] ? preempt_count_sub+0x50/0x80 [ 23.966564] ? __pfx_kunit_try_run_case+0x10/0x10 [ 23.966586] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 23.966609] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 23.966632] kthread+0x337/0x6f0 [ 23.966651] ? trace_preempt_on+0x20/0xc0 [ 23.966673] ? __pfx_kthread+0x10/0x10 [ 23.966692] ? _raw_spin_unlock_irq+0x47/0x80 [ 23.966714] ? calculate_sigpending+0x7b/0xa0 [ 23.966739] ? __pfx_kthread+0x10/0x10 [ 23.966759] ret_from_fork+0x116/0x1d0 [ 23.966778] ? __pfx_kthread+0x10/0x10 [ 23.966851] ret_from_fork_asm+0x1a/0x30 [ 23.966885] </TASK> [ 23.966897] [ 23.975778] The buggy address belongs to stack of task kunit_try_catch/280 [ 23.976204] [ 23.976345] The buggy address belongs to the physical page: [ 23.976604] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x103b77 [ 23.977164] flags: 0x200000000000000(node=0|zone=2) [ 23.977416] raw: 0200000000000000 ffffea00040eddc8 ffffea00040eddc8 0000000000000000 [ 23.977646] raw: 0000000000000000 0000000000000000 00000000ffffffff 0000000000000000 [ 23.978159] page dumped because: kasan: bad access detected [ 23.978538] [ 23.978629] Memory state around the buggy address: [ 23.978898] ffff888103b77b00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 23.979116] ffff888103b77b80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 23.979336] >ffff888103b77c00: 00 00 00 00 ca ca ca ca 00 02 cb cb cb cb cb cb [ 23.979883] ^ [ 23.980146] ffff888103b77c80: 00 00 00 f1 f1 f1 f1 01 f2 04 f2 00 f2 f2 f2 00 [ 23.980521] ffff888103b77d00: 00 f3 f3 00 00 00 00 00 00 00 00 00 00 00 00 f1 [ 23.980925] ==================================================================