Date
June 19, 2025, 12:07 p.m.
| Environment | |
|---|---|
| qemu-arm64 | |
| qemu-x86_64 |
[ 33.260174] ================================================================== [ 33.260363] BUG: KASAN: alloca-out-of-bounds in kasan_alloca_oob_right+0x2dc/0x340 [ 33.260514] Read of size 1 at addr ffff800080a17b4a by task kunit_try_catch/264 [ 33.260643] [ 33.260735] CPU: 0 UID: 0 PID: 264 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc2-next-20250619 #1 PREEMPT [ 33.262748] Tainted: [B]=BAD_PAGE, [N]=TEST [ 33.262853] Hardware name: linux,dummy-virt (DT) [ 33.262967] Call trace: [ 33.263034] show_stack+0x20/0x38 (C) [ 33.263242] dump_stack_lvl+0x8c/0xd0 [ 33.263557] print_report+0x310/0x608 [ 33.263693] kasan_report+0xdc/0x128 [ 33.263821] __asan_report_load1_noabort+0x20/0x30 [ 33.263950] kasan_alloca_oob_right+0x2dc/0x340 [ 33.264088] kunit_try_run_case+0x170/0x3f0 [ 33.264220] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 33.264500] kthread+0x328/0x630 [ 33.264618] ret_from_fork+0x10/0x20 [ 33.264746] [ 33.264808] The buggy address belongs to stack of task kunit_try_catch/264 [ 33.264954] [ 33.265109] The buggy address belongs to the virtual mapping at [ 33.265109] [ffff800080a10000, ffff800080a19000) created by: [ 33.265109] kernel_clone+0x150/0x7a8 [ 33.265475] [ 33.265514] The buggy address belongs to the physical page: [ 33.265556] page: refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x107679 [ 33.265649] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff) [ 33.265819] raw: 0bfffe0000000000 0000000000000000 dead000000000122 0000000000000000 [ 33.265965] raw: 0000000000000000 0000000000000000 00000001ffffffff 0000000000000000 [ 33.266067] page dumped because: kasan: bad access detected [ 33.266139] [ 33.266661] Memory state around the buggy address: [ 33.266782] ffff800080a17a00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 33.266919] ffff800080a17a80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 33.267041] >ffff800080a17b00: 00 00 00 00 ca ca ca ca 00 02 cb cb cb cb cb cb [ 33.267608] ^ [ 33.267764] ffff800080a17b80: 00 00 00 00 00 00 00 00 f1 f1 f1 f1 01 f2 04 f2 [ 33.268100] ffff800080a17c00: 00 f2 f2 f2 00 00 f3 f3 00 00 00 00 00 00 00 00 [ 33.268382] ==================================================================
[ 29.257497] ================================================================== [ 29.258033] BUG: KASAN: alloca-out-of-bounds in kasan_alloca_oob_right+0x329/0x390 [ 29.258864] Read of size 1 at addr ffff888103a97c4a by task kunit_try_catch/282 [ 29.259380] [ 29.259628] CPU: 1 UID: 0 PID: 282 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc2-next-20250619 #1 PREEMPT(voluntary) [ 29.259757] Tainted: [B]=BAD_PAGE, [N]=TEST [ 29.259804] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 29.259851] Call Trace: [ 29.259882] <TASK> [ 29.259955] dump_stack_lvl+0x73/0xb0 [ 29.260267] print_report+0xd1/0x650 [ 29.260316] ? __virt_addr_valid+0x1db/0x2d0 [ 29.260380] ? kasan_alloca_oob_right+0x329/0x390 [ 29.260446] ? kasan_addr_to_slab+0x11/0xa0 [ 29.260491] ? kasan_alloca_oob_right+0x329/0x390 [ 29.260539] kasan_report+0x141/0x180 [ 29.260584] ? kasan_alloca_oob_right+0x329/0x390 [ 29.260655] __asan_report_load1_noabort+0x18/0x20 [ 29.260723] kasan_alloca_oob_right+0x329/0x390 [ 29.260765] ? __pfx_sched_clock_cpu+0x10/0x10 [ 29.260794] ? finish_task_switch.isra.0+0x153/0x700 [ 29.260820] ? rwsem_down_read_slowpath+0x52e/0xb90 [ 29.260848] ? trace_hardirqs_on+0x37/0xe0 [ 29.260876] ? __pfx_kasan_alloca_oob_right+0x10/0x10 [ 29.260945] ? __schedule+0x10cc/0x2b60 [ 29.261180] ? __pfx_read_tsc+0x10/0x10 [ 29.261214] ? ktime_get_ts64+0x86/0x230 [ 29.261244] kunit_try_run_case+0x1a5/0x480 [ 29.261276] ? __pfx_kunit_try_run_case+0x10/0x10 [ 29.261300] ? _raw_spin_lock_irqsave+0xa1/0x100 [ 29.261325] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 29.261350] ? __kthread_parkme+0x82/0x180 [ 29.261373] ? preempt_count_sub+0x50/0x80 [ 29.261399] ? __pfx_kunit_try_run_case+0x10/0x10 [ 29.261424] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 29.261448] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 29.261473] kthread+0x337/0x6f0 [ 29.261494] ? trace_preempt_on+0x20/0xc0 [ 29.261518] ? __pfx_kthread+0x10/0x10 [ 29.261541] ? _raw_spin_unlock_irq+0x47/0x80 [ 29.261564] ? calculate_sigpending+0x7b/0xa0 [ 29.261590] ? __pfx_kthread+0x10/0x10 [ 29.261613] ret_from_fork+0x116/0x1d0 [ 29.261634] ? __pfx_kthread+0x10/0x10 [ 29.261657] ret_from_fork_asm+0x1a/0x30 [ 29.261690] </TASK> [ 29.261703] [ 29.272581] The buggy address belongs to stack of task kunit_try_catch/282 [ 29.273445] [ 29.273652] The buggy address belongs to the physical page: [ 29.274213] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x103a97 [ 29.274528] flags: 0x200000000000000(node=0|zone=2) [ 29.274796] raw: 0200000000000000 ffffea00040ea5c8 ffffea00040ea5c8 0000000000000000 [ 29.275406] raw: 0000000000000000 0000000000000000 00000000ffffffff 0000000000000000 [ 29.276191] page dumped because: kasan: bad access detected [ 29.276642] [ 29.276806] Memory state around the buggy address: [ 29.277142] ffff888103a97b00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 29.277787] ffff888103a97b80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 29.278355] >ffff888103a97c00: 00 00 00 00 ca ca ca ca 00 02 cb cb cb cb cb cb [ 29.278803] ^ [ 29.279188] ffff888103a97c80: 00 00 00 f1 f1 f1 f1 01 f2 04 f2 00 f2 f2 f2 00 [ 29.279766] ffff888103a97d00: 00 f3 f3 00 00 00 00 00 00 00 00 00 00 00 00 f1 [ 29.280035] ==================================================================