Date
July 20, 2025, 8:11 p.m.
| Environment | |
|---|---|
| qemu-arm64 | |
| qemu-x86_64 |
[ 17.378758] ================================================================== [ 17.378839] BUG: KASAN: stack-out-of-bounds in kasan_stack_oob+0x238/0x270 [ 17.378893] Read of size 1 at addr ffff800080a17c2a by task kunit_try_catch/250 [ 17.378944] [ 17.379267] CPU: 0 UID: 0 PID: 250 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc6 #1 PREEMPT [ 17.379417] Tainted: [B]=BAD_PAGE, [N]=TEST [ 17.379508] Hardware name: linux,dummy-virt (DT) [ 17.379545] Call trace: [ 17.379576] show_stack+0x20/0x38 (C) [ 17.379641] dump_stack_lvl+0x8c/0xd0 [ 17.379854] print_report+0x310/0x5d0 [ 17.380065] kasan_report+0xdc/0x128 [ 17.380131] __asan_report_load1_noabort+0x20/0x30 [ 17.380202] kasan_stack_oob+0x238/0x270 [ 17.380283] kunit_try_run_case+0x170/0x3f0 [ 17.380342] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 17.380426] kthread+0x328/0x630 [ 17.380514] ret_from_fork+0x10/0x20 [ 17.380565] [ 17.380774] The buggy address belongs to stack of task kunit_try_catch/250 [ 17.381080] and is located at offset 138 in frame: [ 17.381263] kasan_stack_oob+0x0/0x270 [ 17.382102] [ 17.382163] This frame has 4 objects: [ 17.382513] [48, 49) '__assertion' [ 17.382822] [64, 72) 'array' [ 17.382979] [96, 112) '__assertion' [ 17.383059] [128, 138) 'stack_array' [ 17.383164] [ 17.383231] The buggy address ffff800080a17c2a belongs to a vmalloc virtual mapping [ 17.383279] The buggy address belongs to the physical page: [ 17.383314] page: refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1076ff [ 17.383367] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff) [ 17.383438] raw: 0bfffe0000000000 0000000000000000 dead000000000122 0000000000000000 [ 17.383488] raw: 0000000000000000 0000000000000000 00000001ffffffff 0000000000000000 [ 17.383538] page dumped because: kasan: bad access detected [ 17.383581] [ 17.383599] Memory state around the buggy address: [ 17.383649] ffff800080a17b00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 17.383692] ffff800080a17b80: 00 00 00 00 f1 f1 f1 f1 f1 f1 01 f2 00 f2 f2 f2 [ 17.383743] >ffff800080a17c00: 00 00 f2 f2 00 02 f3 f3 00 00 00 00 00 00 00 00 [ 17.383781] ^ [ 17.383814] ffff800080a17c80: 00 00 00 00 00 00 00 00 f1 f1 f1 f1 00 00 f2 f2 [ 17.383856] ffff800080a17d00: 00 00 f2 f2 00 00 f3 f3 00 00 00 00 00 00 00 00 [ 17.383904] ==================================================================
[ 14.748790] ================================================================== [ 14.749916] BUG: KASAN: stack-out-of-bounds in kasan_stack_oob+0x2b5/0x300 [ 14.750569] Read of size 1 at addr ffff88810397fd02 by task kunit_try_catch/267 [ 14.750911] [ 14.751106] CPU: 1 UID: 0 PID: 267 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc6 #1 PREEMPT(voluntary) [ 14.751172] Tainted: [B]=BAD_PAGE, [N]=TEST [ 14.751186] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 14.751211] Call Trace: [ 14.751237] <TASK> [ 14.751257] dump_stack_lvl+0x73/0xb0 [ 14.751293] print_report+0xd1/0x610 [ 14.751317] ? __virt_addr_valid+0x1db/0x2d0 [ 14.751344] ? kasan_stack_oob+0x2b5/0x300 [ 14.751365] ? kasan_addr_to_slab+0x11/0xa0 [ 14.751388] ? kasan_stack_oob+0x2b5/0x300 [ 14.751410] kasan_report+0x141/0x180 [ 14.751433] ? kasan_stack_oob+0x2b5/0x300 [ 14.751458] __asan_report_load1_noabort+0x18/0x20 [ 14.751494] kasan_stack_oob+0x2b5/0x300 [ 14.751515] ? __pfx_kasan_stack_oob+0x10/0x10 [ 14.751536] ? finish_task_switch.isra.0+0x153/0x700 [ 14.751561] ? __switch_to+0x47/0xf50 [ 14.751589] ? __schedule+0x10c6/0x2b60 [ 14.751615] ? __pfx_read_tsc+0x10/0x10 [ 14.751641] ? ktime_get_ts64+0x86/0x230 [ 14.751667] kunit_try_run_case+0x1a5/0x480 [ 14.751696] ? __pfx_kunit_try_run_case+0x10/0x10 [ 14.751720] ? _raw_spin_lock_irqsave+0xa1/0x100 [ 14.751746] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 14.751771] ? __kthread_parkme+0x82/0x180 [ 14.751795] ? preempt_count_sub+0x50/0x80 [ 14.751819] ? __pfx_kunit_try_run_case+0x10/0x10 [ 14.751843] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 14.751869] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 14.751893] kthread+0x337/0x6f0 [ 14.751914] ? trace_preempt_on+0x20/0xc0 [ 14.751939] ? __pfx_kthread+0x10/0x10 [ 14.751961] ? _raw_spin_unlock_irq+0x47/0x80 [ 14.751984] ? calculate_sigpending+0x7b/0xa0 [ 14.752009] ? __pfx_kthread+0x10/0x10 [ 14.752032] ret_from_fork+0x116/0x1d0 [ 14.752051] ? __pfx_kthread+0x10/0x10 [ 14.752073] ret_from_fork_asm+0x1a/0x30 [ 14.752106] </TASK> [ 14.752117] [ 14.765753] The buggy address belongs to stack of task kunit_try_catch/267 [ 14.766093] and is located at offset 138 in frame: [ 14.766293] kasan_stack_oob+0x0/0x300 [ 14.766636] [ 14.766852] This frame has 4 objects: [ 14.767314] [48, 49) '__assertion' [ 14.767338] [64, 72) 'array' [ 14.767761] [96, 112) '__assertion' [ 14.768212] [128, 138) 'stack_array' [ 14.768643] [ 14.769202] The buggy address belongs to the physical page: [ 14.769804] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x10397f [ 14.770515] flags: 0x200000000000000(node=0|zone=2) [ 14.770707] raw: 0200000000000000 ffffea00040e5fc8 ffffea00040e5fc8 0000000000000000 [ 14.771350] raw: 0000000000000000 0000000000000000 00000000ffffffff 0000000000000000 [ 14.772092] page dumped because: kasan: bad access detected [ 14.772627] [ 14.772799] Memory state around the buggy address: [ 14.773205] ffff88810397fc00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 f1 [ 14.773818] ffff88810397fc80: f1 f1 f1 f1 f1 01 f2 00 f2 f2 f2 00 00 f2 f2 00 [ 14.774577] >ffff88810397fd00: 02 f3 f3 00 00 00 00 00 00 00 00 00 00 00 00 f1 [ 14.775134] ^ [ 14.775435] ffff88810397fd80: f1 f1 f1 00 00 f2 f2 00 00 f2 f2 00 00 f3 f3 00 [ 14.775675] ffff88810397fe00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 14.776099] ==================================================================