Date
July 4, 2025, 11:10 a.m.
| Environment | |
|---|---|
| qemu-arm64 | |
| qemu-x86_64 |
[ 31.919868] ================================================================== [ 31.920193] BUG: KASAN: stack-out-of-bounds in kasan_stack_oob+0x238/0x270 [ 31.920281] Read of size 1 at addr ffff800080ba7c2a by task kunit_try_catch/282 [ 31.920333] [ 31.920367] CPU: 1 UID: 0 PID: 282 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc4-next-20250704 #1 PREEMPT [ 31.920709] Tainted: [B]=BAD_PAGE, [N]=TEST [ 31.920763] Hardware name: linux,dummy-virt (DT) [ 31.920802] Call trace: [ 31.920848] show_stack+0x20/0x38 (C) [ 31.920922] dump_stack_lvl+0x8c/0xd0 [ 31.921076] print_report+0x310/0x608 [ 31.921173] kasan_report+0xdc/0x128 [ 31.921245] __asan_report_load1_noabort+0x20/0x30 [ 31.921405] kasan_stack_oob+0x238/0x270 [ 31.921452] kunit_try_run_case+0x170/0x3f0 [ 31.921503] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 31.921568] kthread+0x328/0x630 [ 31.921673] ret_from_fork+0x10/0x20 [ 31.921773] [ 31.921842] The buggy address belongs to stack of task kunit_try_catch/282 [ 31.922465] and is located at offset 138 in frame: [ 31.922554] kasan_stack_oob+0x0/0x270 [ 31.922709] [ 31.922753] This frame has 4 objects: [ 31.922985] [48, 49) '__assertion' [ 31.923036] [64, 72) 'array' [ 31.923201] [96, 112) '__assertion' [ 31.923302] [128, 138) 'stack_array' [ 31.923364] [ 31.923407] The buggy address belongs to the virtual mapping at [ 31.923407] [ffff800080ba0000, ffff800080ba9000) created by: [ 31.923407] kernel_clone+0x150/0x7a8 [ 31.923541] [ 31.923613] The buggy address belongs to the physical page: [ 31.923654] page: refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x109ac4 [ 31.923853] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff) [ 31.925090] raw: 0bfffe0000000000 0000000000000000 dead000000000122 0000000000000000 [ 31.925152] raw: 0000000000000000 0000000000000000 00000001ffffffff 0000000000000000 [ 31.925691] page dumped because: kasan: bad access detected [ 31.925736] [ 31.925758] Memory state around the buggy address: [ 31.925794] ffff800080ba7b00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 31.926181] ffff800080ba7b80: 00 00 00 00 f1 f1 f1 f1 f1 f1 01 f2 00 f2 f2 f2 [ 31.926235] >ffff800080ba7c00: 00 00 f2 f2 00 02 f3 f3 00 00 00 00 00 00 00 00 [ 31.926276] ^ [ 31.926667] ffff800080ba7c80: 00 00 00 00 00 00 00 00 f1 f1 f1 f1 00 00 f2 f2 [ 31.926716] ffff800080ba7d00: 00 00 f2 f2 00 00 f3 f3 00 00 00 00 00 00 00 00 [ 31.927102] ==================================================================
[ 26.915382] ================================================================== [ 26.917010] BUG: KASAN: stack-out-of-bounds in kasan_stack_oob+0x2b5/0x300 [ 26.917748] Read of size 1 at addr ffff88810612fd02 by task kunit_try_catch/298 [ 26.918487] [ 26.918684] CPU: 0 UID: 0 PID: 298 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc4-next-20250704 #1 PREEMPT(voluntary) [ 26.918746] Tainted: [B]=BAD_PAGE, [N]=TEST [ 26.918761] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 26.918788] Call Trace: [ 26.918804] <TASK> [ 26.918825] dump_stack_lvl+0x73/0xb0 [ 26.918857] print_report+0xd1/0x650 [ 26.918882] ? __virt_addr_valid+0x1db/0x2d0 [ 26.918910] ? kasan_stack_oob+0x2b5/0x300 [ 26.918936] ? kasan_addr_to_slab+0x11/0xa0 [ 26.918964] ? kasan_stack_oob+0x2b5/0x300 [ 26.918990] kasan_report+0x141/0x180 [ 26.919014] ? kasan_stack_oob+0x2b5/0x300 [ 26.919044] __asan_report_load1_noabort+0x18/0x20 [ 26.919071] kasan_stack_oob+0x2b5/0x300 [ 26.919097] ? __pfx_kasan_stack_oob+0x10/0x10 [ 26.919122] ? finish_task_switch.isra.0+0x153/0x700 [ 26.919148] ? __switch_to+0x47/0xf50 [ 26.919178] ? __schedule+0x10cc/0x2b60 [ 26.919204] ? __pfx_read_tsc+0x10/0x10 [ 26.919229] ? ktime_get_ts64+0x86/0x230 [ 26.919257] kunit_try_run_case+0x1a5/0x480 [ 26.919304] ? __pfx_kunit_try_run_case+0x10/0x10 [ 26.919329] ? _raw_spin_lock_irqsave+0xa1/0x100 [ 26.919355] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 26.919383] ? __kthread_parkme+0x82/0x180 [ 26.919418] ? preempt_count_sub+0x50/0x80 [ 26.919443] ? __pfx_kunit_try_run_case+0x10/0x10 [ 26.919470] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 26.919498] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 26.919525] kthread+0x337/0x6f0 [ 26.919547] ? trace_preempt_on+0x20/0xc0 [ 26.919574] ? __pfx_kthread+0x10/0x10 [ 26.919597] ? _raw_spin_unlock_irq+0x47/0x80 [ 26.919623] ? calculate_sigpending+0x7b/0xa0 [ 26.919649] ? __pfx_kthread+0x10/0x10 [ 26.919673] ret_from_fork+0x116/0x1d0 [ 26.919694] ? __pfx_kthread+0x10/0x10 [ 26.919717] ret_from_fork_asm+0x1a/0x30 [ 26.919750] </TASK> [ 26.919765] [ 26.934685] The buggy address belongs to stack of task kunit_try_catch/298 [ 26.935120] and is located at offset 138 in frame: [ 26.935288] kasan_stack_oob+0x0/0x300 [ 26.935695] [ 26.935788] This frame has 4 objects: [ 26.936092] [48, 49) '__assertion' [ 26.936117] [64, 72) 'array' [ 26.936362] [96, 112) '__assertion' [ 26.936592] [128, 138) 'stack_array' [ 26.936891] [ 26.937197] The buggy address belongs to the physical page: [ 26.937461] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x10612f [ 26.937724] flags: 0x200000000000000(node=0|zone=2) [ 26.937907] raw: 0200000000000000 dead000000000100 dead000000000122 0000000000000000 [ 26.939027] raw: 0000000000000000 0000000000000000 00000000ffffffff 0000000000000000 [ 26.939829] page dumped because: kasan: bad access detected [ 26.940681] [ 26.940978] Memory state around the buggy address: [ 26.941501] ffff88810612fc00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 f1 [ 26.942014] ffff88810612fc80: f1 f1 f1 f1 f1 01 f2 00 f2 f2 f2 00 00 f2 f2 00 [ 26.942235] >ffff88810612fd00: 02 f3 f3 00 00 00 00 00 00 00 00 00 00 00 00 f1 [ 26.942453] ^ [ 26.942849] ffff88810612fd80: f1 f1 f1 00 00 f2 f2 00 00 f2 f2 00 00 f3 f3 00 [ 26.943574] ffff88810612fe00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 26.944405] ==================================================================