Date
May 29, 2025, 7:10 a.m.
| Environment | |
|---|---|
| qemu-arm64 | |
| qemu-x86_64 |
[ 24.511432] ================================================================== [ 24.511935] BUG: KASAN: stack-out-of-bounds in kasan_stack_oob+0x238/0x270 [ 24.512113] Read of size 1 at addr ffff800080a67c2a by task kunit_try_catch/249 [ 24.512242] [ 24.512327] CPU: 0 UID: 0 PID: 249 Comm: kunit_try_catch Tainted: G B N 6.15.0-next-20250529 #1 PREEMPT [ 24.512557] Tainted: [B]=BAD_PAGE, [N]=TEST [ 24.512689] Hardware name: linux,dummy-virt (DT) [ 24.512976] Call trace: [ 24.513046] show_stack+0x20/0x38 (C) [ 24.513177] dump_stack_lvl+0x8c/0xd0 [ 24.513447] print_report+0x310/0x608 [ 24.513579] kasan_report+0xdc/0x128 [ 24.513695] __asan_report_load1_noabort+0x20/0x30 [ 24.513823] kasan_stack_oob+0x238/0x270 [ 24.514414] kunit_try_run_case+0x170/0x3f0 [ 24.514564] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 24.514704] kthread+0x328/0x630 [ 24.514865] ret_from_fork+0x10/0x20 [ 24.515016] [ 24.515160] The buggy address belongs to stack of task kunit_try_catch/249 [ 24.515370] and is located at offset 138 in frame: [ 24.515496] kasan_stack_oob+0x0/0x270 [ 24.515757] [ 24.515820] This frame has 4 objects: [ 24.516307] [48, 49) '__assertion' [ 24.516441] [64, 72) 'array' [ 24.516525] [96, 112) '__assertion' [ 24.516779] [128, 138) 'stack_array' [ 24.516885] [ 24.517001] The buggy address belongs to the virtual mapping at [ 24.517001] [ffff800080a60000, ffff800080a69000) created by: [ 24.517001] kernel_clone+0x150/0x7a8 [ 24.517541] [ 24.517639] The buggy address belongs to the physical page: [ 24.517766] page: refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x107256 [ 24.517910] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff) [ 24.518107] raw: 0bfffe0000000000 0000000000000000 dead000000000122 0000000000000000 [ 24.518293] raw: 0000000000000000 0000000000000000 00000001ffffffff 0000000000000000 [ 24.518454] page dumped because: kasan: bad access detected [ 24.518540] [ 24.518586] Memory state around the buggy address: [ 24.518919] ffff800080a67b00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 24.519046] ffff800080a67b80: 00 00 00 00 f1 f1 f1 f1 f1 f1 01 f2 00 f2 f2 f2 [ 24.519146] >ffff800080a67c00: 00 00 f2 f2 00 02 f3 f3 00 00 00 00 00 00 00 00 [ 24.519230] ^ [ 24.519309] ffff800080a67c80: 00 00 00 00 00 00 00 00 f1 f1 f1 f1 00 00 f2 f2 [ 24.519454] ffff800080a67d00: 00 00 f2 f2 00 00 f3 f3 00 00 00 00 00 00 00 00 [ 24.519560] ==================================================================
[ 12.667198] ================================================================== [ 12.668652] BUG: KASAN: stack-out-of-bounds in kasan_stack_oob+0x2b5/0x300 [ 12.669323] Read of size 1 at addr ffff888103a3fd02 by task kunit_try_catch/266 [ 12.670009] [ 12.670294] CPU: 1 UID: 0 PID: 266 Comm: kunit_try_catch Tainted: G B N 6.15.0-next-20250529 #1 PREEMPT(voluntary) [ 12.670343] Tainted: [B]=BAD_PAGE, [N]=TEST [ 12.670355] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 12.670377] Call Trace: [ 12.670389] <TASK> [ 12.670404] dump_stack_lvl+0x73/0xb0 [ 12.670430] print_report+0xd1/0x650 [ 12.670453] ? __virt_addr_valid+0x1db/0x2d0 [ 12.670476] ? kasan_stack_oob+0x2b5/0x300 [ 12.670496] ? kasan_addr_to_slab+0x11/0xa0 [ 12.670517] ? kasan_stack_oob+0x2b5/0x300 [ 12.670544] kasan_report+0x141/0x180 [ 12.670567] ? kasan_stack_oob+0x2b5/0x300 [ 12.670594] __asan_report_load1_noabort+0x18/0x20 [ 12.670626] kasan_stack_oob+0x2b5/0x300 [ 12.670647] ? __pfx_kasan_stack_oob+0x10/0x10 [ 12.670667] ? finish_task_switch.isra.0+0x153/0x700 [ 12.670690] ? __switch_to+0x47/0xf50 [ 12.670717] ? __schedule+0x10cc/0x2b60 [ 12.670741] ? __pfx_read_tsc+0x10/0x10 [ 12.670906] ? ktime_get_ts64+0x86/0x230 [ 12.670932] kunit_try_run_case+0x1a5/0x480 [ 12.670956] ? __pfx_kunit_try_run_case+0x10/0x10 [ 12.670977] ? _raw_spin_lock_irqsave+0xa1/0x100 [ 12.671002] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 12.671027] ? __kthread_parkme+0x82/0x180 [ 12.671049] ? preempt_count_sub+0x50/0x80 [ 12.671072] ? __pfx_kunit_try_run_case+0x10/0x10 [ 12.671093] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 12.671118] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 12.671144] kthread+0x337/0x6f0 [ 12.671165] ? trace_preempt_on+0x20/0xc0 [ 12.671189] ? __pfx_kthread+0x10/0x10 [ 12.671210] ? _raw_spin_unlock_irq+0x47/0x80 [ 12.671233] ? calculate_sigpending+0x7b/0xa0 [ 12.671257] ? __pfx_kthread+0x10/0x10 [ 12.671279] ret_from_fork+0x116/0x1d0 [ 12.671297] ? __pfx_kthread+0x10/0x10 [ 12.671318] ret_from_fork_asm+0x1a/0x30 [ 12.671350] </TASK> [ 12.671360] [ 12.684698] The buggy address belongs to stack of task kunit_try_catch/266 [ 12.685711] and is located at offset 138 in frame: [ 12.686267] kasan_stack_oob+0x0/0x300 [ 12.686816] [ 12.687211] This frame has 4 objects: [ 12.687678] [48, 49) '__assertion' [ 12.687703] [64, 72) 'array' [ 12.688105] [96, 112) '__assertion' [ 12.688538] [128, 138) 'stack_array' [ 12.688825] [ 12.689333] The buggy address belongs to the physical page: [ 12.689520] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x103a3f [ 12.689881] flags: 0x200000000000000(node=0|zone=2) [ 12.690434] raw: 0200000000000000 ffffea00040e8fc8 ffffea00040e8fc8 0000000000000000 [ 12.691343] raw: 0000000000000000 0000000000000000 00000000ffffffff 0000000000000000 [ 12.692124] page dumped because: kasan: bad access detected [ 12.692635] [ 12.692797] Memory state around the buggy address: [ 12.693188] ffff888103a3fc00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 f1 [ 12.693418] ffff888103a3fc80: f1 f1 f1 f1 f1 01 f2 00 f2 f2 f2 00 00 f2 f2 00 [ 12.693653] >ffff888103a3fd00: 02 f3 f3 00 00 00 00 00 00 00 00 00 00 00 00 f1 [ 12.694070] ^ [ 12.694232] ffff888103a3fd80: f1 f1 f1 00 00 f2 f2 00 00 f2 f2 00 00 f3 f3 00 [ 12.694553] ffff888103a3fe00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 12.695094] ==================================================================