Date
July 10, 2025, 11:10 p.m.
| Environment | |
|---|---|
| qemu-arm64 | |
| qemu-x86_64 |
[ 18.188606] ================================================================== [ 18.188687] BUG: KASAN: stack-out-of-bounds in kasan_stack_oob+0x238/0x270 [ 18.188751] Read of size 1 at addr ffff800080a87c2a by task kunit_try_catch/249 [ 18.188801] [ 18.188836] CPU: 0 UID: 0 PID: 249 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc5 #1 PREEMPT [ 18.188921] Tainted: [B]=BAD_PAGE, [N]=TEST [ 18.188975] Hardware name: linux,dummy-virt (DT) [ 18.189007] Call trace: [ 18.189040] show_stack+0x20/0x38 (C) [ 18.189107] dump_stack_lvl+0x8c/0xd0 [ 18.189160] print_report+0x310/0x608 [ 18.189207] kasan_report+0xdc/0x128 [ 18.189253] __asan_report_load1_noabort+0x20/0x30 [ 18.189306] kasan_stack_oob+0x238/0x270 [ 18.189441] kunit_try_run_case+0x170/0x3f0 [ 18.189493] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 18.189568] kthread+0x328/0x630 [ 18.189614] ret_from_fork+0x10/0x20 [ 18.189844] [ 18.189915] The buggy address belongs to stack of task kunit_try_catch/249 [ 18.190036] and is located at offset 138 in frame: [ 18.190074] kasan_stack_oob+0x0/0x270 [ 18.190215] [ 18.190248] This frame has 4 objects: [ 18.191236] [48, 49) '__assertion' [ 18.191615] [64, 72) 'array' [ 18.191731] [96, 112) '__assertion' [ 18.192098] [128, 138) 'stack_array' [ 18.192237] [ 18.192564] The buggy address belongs to the virtual mapping at [ 18.192564] [ffff800080a80000, ffff800080a89000) created by: [ 18.192564] kernel_clone+0x150/0x7a8 [ 18.192704] [ 18.192784] The buggy address belongs to the physical page: [ 18.192964] page: refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x106444 [ 18.193043] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff) [ 18.193495] raw: 0bfffe0000000000 0000000000000000 dead000000000122 0000000000000000 [ 18.193573] raw: 0000000000000000 0000000000000000 00000001ffffffff 0000000000000000 [ 18.193946] page dumped because: kasan: bad access detected [ 18.194060] [ 18.194151] Memory state around the buggy address: [ 18.194285] ffff800080a87b00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 18.194596] ffff800080a87b80: 00 00 00 00 f1 f1 f1 f1 f1 f1 01 f2 00 f2 f2 f2 [ 18.194823] >ffff800080a87c00: 00 00 f2 f2 00 02 f3 f3 00 00 00 00 00 00 00 00 [ 18.194908] ^ [ 18.194943] ffff800080a87c80: 00 00 00 00 00 00 00 00 f1 f1 f1 f1 00 00 f2 f2 [ 18.195280] ffff800080a87d00: 00 00 f2 f2 00 00 f3 f3 00 00 00 00 00 00 00 00 [ 18.195450] ==================================================================
[ 14.489232] ================================================================== [ 14.489895] BUG: KASAN: stack-out-of-bounds in kasan_stack_oob+0x2b5/0x300 [ 14.490208] Read of size 1 at addr ffff888103927d02 by task kunit_try_catch/267 [ 14.490528] [ 14.490641] CPU: 1 UID: 0 PID: 267 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc5 #1 PREEMPT(voluntary) [ 14.490685] Tainted: [B]=BAD_PAGE, [N]=TEST [ 14.490696] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 14.490718] Call Trace: [ 14.490730] <TASK> [ 14.490747] dump_stack_lvl+0x73/0xb0 [ 14.490777] print_report+0xd1/0x650 [ 14.490799] ? __virt_addr_valid+0x1db/0x2d0 [ 14.490823] ? kasan_stack_oob+0x2b5/0x300 [ 14.490842] ? kasan_addr_to_slab+0x11/0xa0 [ 14.490861] ? kasan_stack_oob+0x2b5/0x300 [ 14.490881] kasan_report+0x141/0x180 [ 14.490902] ? kasan_stack_oob+0x2b5/0x300 [ 14.490927] __asan_report_load1_noabort+0x18/0x20 [ 14.490950] kasan_stack_oob+0x2b5/0x300 [ 14.490970] ? __pfx_kasan_stack_oob+0x10/0x10 [ 14.490989] ? finish_task_switch.isra.0+0x153/0x700 [ 14.491012] ? __switch_to+0x47/0xf50 [ 14.491038] ? __schedule+0x10cc/0x2b60 [ 14.491059] ? __pfx_read_tsc+0x10/0x10 [ 14.491079] ? ktime_get_ts64+0x86/0x230 [ 14.491103] kunit_try_run_case+0x1a5/0x480 [ 14.491126] ? __pfx_kunit_try_run_case+0x10/0x10 [ 14.491149] ? _raw_spin_lock_irqsave+0xa1/0x100 [ 14.491172] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 14.491194] ? __kthread_parkme+0x82/0x180 [ 14.491214] ? preempt_count_sub+0x50/0x80 [ 14.491237] ? __pfx_kunit_try_run_case+0x10/0x10 [ 14.491260] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 14.491284] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 14.491308] kthread+0x337/0x6f0 [ 14.491325] ? trace_preempt_on+0x20/0xc0 [ 14.491348] ? __pfx_kthread+0x10/0x10 [ 14.491679] ? _raw_spin_unlock_irq+0x47/0x80 [ 14.491703] ? calculate_sigpending+0x7b/0xa0 [ 14.491729] ? __pfx_kthread+0x10/0x10 [ 14.491751] ret_from_fork+0x116/0x1d0 [ 14.491769] ? __pfx_kthread+0x10/0x10 [ 14.491965] ret_from_fork_asm+0x1a/0x30 [ 14.492002] </TASK> [ 14.492012] [ 14.504462] The buggy address belongs to stack of task kunit_try_catch/267 [ 14.504910] and is located at offset 138 in frame: [ 14.505131] kasan_stack_oob+0x0/0x300 [ 14.505435] [ 14.505631] This frame has 4 objects: [ 14.505875] [48, 49) '__assertion' [ 14.505897] [64, 72) 'array' [ 14.506058] [96, 112) '__assertion' [ 14.506180] [128, 138) 'stack_array' [ 14.506383] [ 14.506732] The buggy address belongs to the physical page: [ 14.506989] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x103927 [ 14.507250] flags: 0x200000000000000(node=0|zone=2) [ 14.507478] raw: 0200000000000000 ffffea00040e49c8 ffffea00040e49c8 0000000000000000 [ 14.508166] raw: 0000000000000000 0000000000000000 00000000ffffffff 0000000000000000 [ 14.508895] page dumped because: kasan: bad access detected [ 14.509245] [ 14.509340] Memory state around the buggy address: [ 14.509827] ffff888103927c00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 f1 [ 14.510124] ffff888103927c80: f1 f1 f1 f1 f1 01 f2 00 f2 f2 f2 00 00 f2 f2 00 [ 14.510663] >ffff888103927d00: 02 f3 f3 00 00 00 00 00 00 00 00 00 00 00 00 f1 [ 14.511158] ^ [ 14.511327] ffff888103927d80: f1 f1 f1 00 00 f2 f2 00 00 f2 f2 00 00 f3 f3 00 [ 14.511799] ffff888103927e00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 14.512092] ==================================================================