Date
July 3, 2025, 11:10 p.m.
| Environment | |
|---|---|
| qemu-arm64 | |
| qemu-x86_64 |
[ 22.491829] ================================================================== [ 22.491973] BUG: KASAN: alloca-out-of-bounds in kasan_alloca_oob_right+0x2dc/0x340 [ 22.492122] Read of size 1 at addr ffff800080977b4a by task kunit_try_catch/253 [ 22.492246] [ 22.492325] CPU: 0 UID: 0 PID: 253 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc4 #1 PREEMPT [ 22.492538] Tainted: [B]=BAD_PAGE, [N]=TEST [ 22.492614] Hardware name: linux,dummy-virt (DT) [ 22.492700] Call trace: [ 22.492766] show_stack+0x20/0x38 (C) [ 22.492889] dump_stack_lvl+0x8c/0xd0 [ 22.493017] print_report+0x310/0x608 [ 22.495656] kasan_report+0xdc/0x128 [ 22.496090] __asan_report_load1_noabort+0x20/0x30 [ 22.496888] kasan_alloca_oob_right+0x2dc/0x340 [ 22.497060] kunit_try_run_case+0x170/0x3f0 [ 22.497756] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 22.498075] kthread+0x328/0x630 [ 22.498196] ret_from_fork+0x10/0x20 [ 22.498760] [ 22.498925] The buggy address belongs to stack of task kunit_try_catch/253 [ 22.499209] [ 22.499714] The buggy address belongs to the virtual mapping at [ 22.499714] [ffff800080970000, ffff800080979000) created by: [ 22.499714] kernel_clone+0x150/0x7a8 [ 22.500088] [ 22.500340] The buggy address belongs to the physical page: [ 22.500480] page: refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1077c7 [ 22.501327] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff) [ 22.502015] raw: 0bfffe0000000000 0000000000000000 dead000000000122 0000000000000000 [ 22.502171] raw: 0000000000000000 0000000000000000 00000001ffffffff 0000000000000000 [ 22.502266] page dumped because: kasan: bad access detected [ 22.502327] [ 22.502367] Memory state around the buggy address: [ 22.502991] ffff800080977a00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 22.503222] ffff800080977a80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 22.503423] >ffff800080977b00: 00 00 00 00 ca ca ca ca 00 02 cb cb cb cb cb cb [ 22.503627] ^ [ 22.504235] ffff800080977b80: 00 00 00 00 00 00 00 00 f1 f1 f1 f1 01 f2 04 f2 [ 22.504337] ffff800080977c00: 00 f2 f2 f2 00 00 f3 f3 00 00 00 00 00 00 00 00 [ 22.504433] ==================================================================
[ 13.427855] ================================================================== [ 13.428321] BUG: KASAN: alloca-out-of-bounds in kasan_alloca_oob_right+0x329/0x390 [ 13.428566] Read of size 1 at addr ffff888103907c4a by task kunit_try_catch/270 [ 13.428786] [ 13.428870] CPU: 0 UID: 0 PID: 270 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc4 #1 PREEMPT(voluntary) [ 13.428912] Tainted: [B]=BAD_PAGE, [N]=TEST [ 13.428923] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 13.428943] Call Trace: [ 13.428955] <TASK> [ 13.428968] dump_stack_lvl+0x73/0xb0 [ 13.428994] print_report+0xd1/0x650 [ 13.429016] ? __virt_addr_valid+0x1db/0x2d0 [ 13.429038] ? kasan_alloca_oob_right+0x329/0x390 [ 13.429059] ? kasan_addr_to_slab+0x11/0xa0 [ 13.429079] ? kasan_alloca_oob_right+0x329/0x390 [ 13.429100] kasan_report+0x141/0x180 [ 13.429133] ? kasan_alloca_oob_right+0x329/0x390 [ 13.429160] __asan_report_load1_noabort+0x18/0x20 [ 13.429184] kasan_alloca_oob_right+0x329/0x390 [ 13.429205] ? __pfx_sched_clock_cpu+0x10/0x10 [ 13.429227] ? finish_task_switch.isra.0+0x153/0x700 [ 13.429249] ? out_of_line_wait_on_bit_timeout+0x7e/0x190 [ 13.429273] ? trace_hardirqs_on+0x37/0xe0 [ 13.429297] ? __pfx_kasan_alloca_oob_right+0x10/0x10 [ 13.429323] ? __schedule+0x10cc/0x2b60 [ 13.429343] ? __pfx_read_tsc+0x10/0x10 [ 13.429362] ? ktime_get_ts64+0x86/0x230 [ 13.429387] kunit_try_run_case+0x1a5/0x480 [ 13.429412] ? __pfx_kunit_try_run_case+0x10/0x10 [ 13.429434] ? _raw_spin_lock_irqsave+0xa1/0x100 [ 13.429456] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 13.429478] ? __kthread_parkme+0x82/0x180 [ 13.429498] ? preempt_count_sub+0x50/0x80 [ 13.429520] ? __pfx_kunit_try_run_case+0x10/0x10 [ 13.429543] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 13.429565] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 13.429587] kthread+0x337/0x6f0 [ 13.429606] ? trace_preempt_on+0x20/0xc0 [ 13.429627] ? __pfx_kthread+0x10/0x10 [ 13.429646] ? _raw_spin_unlock_irq+0x47/0x80 [ 13.429666] ? calculate_sigpending+0x7b/0xa0 [ 13.429690] ? __pfx_kthread+0x10/0x10 [ 13.429710] ret_from_fork+0x116/0x1d0 [ 13.429728] ? __pfx_kthread+0x10/0x10 [ 13.429748] ret_from_fork_asm+0x1a/0x30 [ 13.429778] </TASK> [ 13.429788] [ 13.449472] The buggy address belongs to stack of task kunit_try_catch/270 [ 13.450666] [ 13.451037] The buggy address belongs to the physical page: [ 13.452066] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x103907 [ 13.452896] flags: 0x200000000000000(node=0|zone=2) [ 13.453145] raw: 0200000000000000 ffffea00040e41c8 ffffea00040e41c8 0000000000000000 [ 13.454496] raw: 0000000000000000 0000000000000000 00000000ffffffff 0000000000000000 [ 13.455456] page dumped because: kasan: bad access detected [ 13.455642] [ 13.455715] Memory state around the buggy address: [ 13.455868] ffff888103907b00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 13.456079] ffff888103907b80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 13.456569] >ffff888103907c00: 00 00 00 00 ca ca ca ca 00 02 cb cb cb cb cb cb [ 13.457349] ^ [ 13.457874] ffff888103907c80: 00 00 00 f1 f1 f1 f1 01 f2 04 f2 00 f2 f2 f2 00 [ 13.458504] ffff888103907d00: 00 f3 f3 00 00 00 00 00 00 00 00 00 00 00 00 f1 [ 13.458725] ==================================================================