Date
July 23, 2025, 2:10 a.m.
| Environment | |
|---|---|
| qemu-arm64 | |
| qemu-x86_64 |
[ 17.608762] ================================================================== [ 17.608841] BUG: KASAN: stack-out-of-bounds in kasan_stack_oob+0x238/0x270 [ 17.608910] Read of size 1 at addr ffff800080a57c2a by task kunit_try_catch/249 [ 17.608962] [ 17.608993] CPU: 0 UID: 0 PID: 249 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc7 #1 PREEMPT [ 17.609079] Tainted: [B]=BAD_PAGE, [N]=TEST [ 17.609208] Hardware name: linux,dummy-virt (DT) [ 17.609242] Call trace: [ 17.609286] show_stack+0x20/0x38 (C) [ 17.609341] dump_stack_lvl+0x8c/0xd0 [ 17.609389] print_report+0x310/0x5d0 [ 17.609438] kasan_report+0xdc/0x128 [ 17.609486] __asan_report_load1_noabort+0x20/0x30 [ 17.609539] kasan_stack_oob+0x238/0x270 [ 17.609585] kunit_try_run_case+0x170/0x3f0 [ 17.609646] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 17.609712] kthread+0x328/0x630 [ 17.609758] ret_from_fork+0x10/0x20 [ 17.609807] [ 17.610816] The buggy address belongs to stack of task kunit_try_catch/249 [ 17.611138] and is located at offset 138 in frame: [ 17.611378] kasan_stack_oob+0x0/0x270 [ 17.611885] [ 17.612037] This frame has 4 objects: [ 17.612377] [48, 49) '__assertion' [ 17.612440] [64, 72) 'array' [ 17.612867] [96, 112) '__assertion' [ 17.613011] [128, 138) 'stack_array' [ 17.613165] [ 17.613295] The buggy address ffff800080a57c2a belongs to a vmalloc virtual mapping [ 17.613501] The buggy address belongs to the physical page: [ 17.613806] page: refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x103faa [ 17.614073] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff) [ 17.614614] raw: 0bfffe0000000000 0000000000000000 dead000000000122 0000000000000000 [ 17.614913] raw: 0000000000000000 0000000000000000 00000001ffffffff 0000000000000000 [ 17.614996] page dumped because: kasan: bad access detected [ 17.615049] [ 17.615092] Memory state around the buggy address: [ 17.615353] ffff800080a57b00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 17.615705] ffff800080a57b80: 00 00 00 00 f1 f1 f1 f1 f1 f1 01 f2 00 f2 f2 f2 [ 17.616416] >ffff800080a57c00: 00 00 f2 f2 00 02 f3 f3 00 00 00 00 00 00 00 00 [ 17.616489] ^ [ 17.616530] ffff800080a57c80: 00 00 00 00 00 00 00 00 f1 f1 f1 f1 00 00 f2 f2 [ 17.617007] ffff800080a57d00: 00 00 f2 f2 00 00 f3 f3 00 00 00 00 00 00 00 00 [ 17.617218] ==================================================================
[ 14.368633] ================================================================== [ 14.369306] BUG: KASAN: stack-out-of-bounds in kasan_stack_oob+0x2b5/0x300 [ 14.369668] Read of size 1 at addr ffff888103b07d02 by task kunit_try_catch/266 [ 14.369996] [ 14.370082] CPU: 0 UID: 0 PID: 266 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc7 #1 PREEMPT(voluntary) [ 14.370125] Tainted: [B]=BAD_PAGE, [N]=TEST [ 14.370137] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 14.370157] Call Trace: [ 14.370168] <TASK> [ 14.370182] dump_stack_lvl+0x73/0xb0 [ 14.370209] print_report+0xd1/0x610 [ 14.370243] ? __virt_addr_valid+0x1db/0x2d0 [ 14.370264] ? kasan_stack_oob+0x2b5/0x300 [ 14.370283] ? kasan_addr_to_slab+0x11/0xa0 [ 14.370303] ? kasan_stack_oob+0x2b5/0x300 [ 14.370323] kasan_report+0x141/0x180 [ 14.370345] ? kasan_stack_oob+0x2b5/0x300 [ 14.370369] __asan_report_load1_noabort+0x18/0x20 [ 14.370393] kasan_stack_oob+0x2b5/0x300 [ 14.370413] ? __pfx_kasan_stack_oob+0x10/0x10 [ 14.370432] ? sysvec_apic_timer_interrupt+0x50/0x90 [ 14.370461] ? __pfx_kasan_stack_oob+0x10/0x10 [ 14.370486] kunit_try_run_case+0x1a5/0x480 [ 14.370510] ? __pfx_kunit_try_run_case+0x10/0x10 [ 14.370533] ? _raw_spin_lock_irqsave+0xa1/0x100 [ 14.370556] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 14.370579] ? __kthread_parkme+0x82/0x180 [ 14.370599] ? preempt_count_sub+0x50/0x80 [ 14.370623] ? __pfx_kunit_try_run_case+0x10/0x10 [ 14.370646] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 14.370669] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 14.370693] kthread+0x337/0x6f0 [ 14.370712] ? trace_preempt_on+0x20/0xc0 [ 14.370734] ? __pfx_kthread+0x10/0x10 [ 14.370755] ? _raw_spin_unlock_irq+0x47/0x80 [ 14.370776] ? calculate_sigpending+0x7b/0xa0 [ 14.370801] ? __pfx_kthread+0x10/0x10 [ 14.370834] ret_from_fork+0x116/0x1d0 [ 14.370852] ? __pfx_kthread+0x10/0x10 [ 14.370873] ret_from_fork_asm+0x1a/0x30 [ 14.370903] </TASK> [ 14.370914] [ 14.378111] The buggy address belongs to stack of task kunit_try_catch/266 [ 14.378539] and is located at offset 138 in frame: [ 14.378769] kasan_stack_oob+0x0/0x300 [ 14.379083] [ 14.379196] This frame has 4 objects: [ 14.379451] [48, 49) '__assertion' [ 14.379473] [64, 72) 'array' [ 14.379625] [96, 112) '__assertion' [ 14.379788] [128, 138) 'stack_array' [ 14.379954] [ 14.380239] The buggy address belongs to the physical page: [ 14.380475] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x103b07 [ 14.380719] flags: 0x200000000000000(node=0|zone=2) [ 14.380972] raw: 0200000000000000 ffffea00040ec1c8 ffffea00040ec1c8 0000000000000000 [ 14.381667] raw: 0000000000000000 0000000000000000 00000000ffffffff 0000000000000000 [ 14.381948] page dumped because: kasan: bad access detected [ 14.382181] [ 14.382276] Memory state around the buggy address: [ 14.382769] ffff888103b07c00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 f1 [ 14.383073] ffff888103b07c80: f1 f1 f1 f1 f1 01 f2 00 f2 f2 f2 00 00 f2 f2 00 [ 14.383294] >ffff888103b07d00: 02 f3 f3 00 00 00 00 00 00 00 00 00 00 00 00 f1 [ 14.383511] ^ [ 14.383658] ffff888103b07d80: f1 f1 f1 00 00 f2 f2 00 00 f2 f2 00 00 f3 f3 00 [ 14.383992] ffff888103b07e00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 14.384502] ==================================================================