Date
June 2, 2025, 2:11 p.m.
| Environment | |
|---|---|
| e850-96 | |
| qemu-x86_64 |
[ 37.069001] ================================================================== [ 37.083341] BUG: KASAN: stack-out-of-bounds in kasan_stack_oob+0x238/0x270 [ 37.090198] Read of size 1 at addr ffff800088a57c2a by task kunit_try_catch/296 [ 37.097487] [ 37.098974] CPU: 6 UID: 0 PID: 296 Comm: kunit_try_catch Tainted: G B N 6.15.1-rc1 #1 PREEMPT [ 37.099030] Tainted: [B]=BAD_PAGE, [N]=TEST [ 37.099048] Hardware name: WinLink E850-96 board (DT) [ 37.099071] Call trace: [ 37.099086] show_stack+0x20/0x38 (C) [ 37.099123] dump_stack_lvl+0x8c/0xd0 [ 37.099162] print_report+0x310/0x608 [ 37.099195] kasan_report+0xdc/0x128 [ 37.099225] __asan_report_load1_noabort+0x20/0x30 [ 37.099260] kasan_stack_oob+0x238/0x270 [ 37.099293] kunit_try_run_case+0x170/0x3f0 [ 37.099330] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 37.099373] kthread+0x328/0x630 [ 37.099407] ret_from_fork+0x10/0x20 [ 37.099442] [ 37.161553] The buggy address belongs to stack of task kunit_try_catch/296 [ 37.168407] and is located at offset 138 in frame: [ 37.173266] kasan_stack_oob+0x0/0x270 [ 37.177006] [ 37.178475] This frame has 4 objects: [ 37.182125] [48, 49) '__assertion' [ 37.182151] [64, 72) 'array' [ 37.185594] [96, 112) '__assertion' [ 37.188548] [128, 138) 'stack_array' [ 37.192104] [ 37.197229] The buggy address belongs to the virtual mapping at [ 37.197229] [ffff800088a50000, ffff800088a59000) created by: [ 37.197229] kernel_clone+0x150/0x7a8 [ 37.212503] [ 37.213983] The buggy address belongs to the physical page: [ 37.219539] page: refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x8862e7 [ 37.227523] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff) [ 37.234043] raw: 0bfffe0000000000 0000000000000000 dead000000000122 0000000000000000 [ 37.241762] raw: 0000000000000000 0000000000000000 00000001ffffffff 0000000000000000 [ 37.249481] page dumped because: kasan: bad access detected [ 37.255036] [ 37.256512] Memory state around the buggy address: [ 37.261293] ffff800088a57b00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 37.268495] ffff800088a57b80: 00 00 00 00 f1 f1 f1 f1 f1 f1 01 f2 00 f2 f2 f2 [ 37.275701] >ffff800088a57c00: 00 00 f2 f2 00 02 f3 f3 00 00 00 00 00 00 00 00 [ 37.282900] ^ [ 37.287418] ffff800088a57c80: 00 00 00 00 00 00 00 00 f1 f1 f1 f1 00 00 f2 f2 [ 37.294623] ffff800088a57d00: 00 00 f2 f2 00 00 f3 f3 00 00 00 00 00 00 00 00 [ 37.301824] ==================================================================
[ 18.797047] ================================================================== [ 18.797620] BUG: KASAN: stack-out-of-bounds in kasan_stack_oob+0x2b5/0x300 [ 18.797845] Read of size 1 at addr ffff888103a9fd02 by task kunit_try_catch/270 [ 18.798004] [ 18.798092] CPU: 1 UID: 0 PID: 270 Comm: kunit_try_catch Tainted: G B N 6.15.1-rc1 #1 PREEMPT(voluntary) [ 18.798167] Tainted: [B]=BAD_PAGE, [N]=TEST [ 18.798182] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 18.798209] Call Trace: [ 18.798226] <TASK> [ 18.798252] dump_stack_lvl+0x73/0xb0 [ 18.798284] print_report+0xd1/0x650 [ 18.798311] ? __virt_addr_valid+0x1db/0x2d0 [ 18.798337] ? kasan_stack_oob+0x2b5/0x300 [ 18.798359] ? kasan_addr_to_slab+0x11/0xa0 [ 18.798383] ? kasan_stack_oob+0x2b5/0x300 [ 18.798405] kasan_report+0x141/0x180 [ 18.798430] ? kasan_stack_oob+0x2b5/0x300 [ 18.798458] __asan_report_load1_noabort+0x18/0x20 [ 18.798481] kasan_stack_oob+0x2b5/0x300 [ 18.798504] ? __pfx_kasan_stack_oob+0x10/0x10 [ 18.798526] ? finish_task_switch.isra.0+0x153/0x700 [ 18.798552] ? __switch_to+0x5d9/0xf60 [ 18.798577] ? dequeue_task_fair+0x156/0x4e0 [ 18.798604] ? __schedule+0x10cc/0x2b30 [ 18.798629] ? __pfx_read_tsc+0x10/0x10 [ 18.798650] ? ktime_get_ts64+0x86/0x230 [ 18.798679] kunit_try_run_case+0x1a5/0x480 [ 18.798707] ? __pfx_kunit_try_run_case+0x10/0x10 [ 18.798730] ? _raw_spin_lock_irqsave+0xa1/0x100 [ 18.798831] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 18.798878] ? __kthread_parkme+0x82/0x180 [ 18.798915] ? preempt_count_sub+0x50/0x80 [ 18.798954] ? __pfx_kunit_try_run_case+0x10/0x10 [ 18.798992] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 18.799038] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 18.799077] kthread+0x337/0x6f0 [ 18.799142] ? trace_preempt_on+0x20/0xc0 [ 18.799187] ? __pfx_kthread+0x10/0x10 [ 18.799224] ? _raw_spin_unlock_irq+0x47/0x80 [ 18.799268] ? calculate_sigpending+0x7b/0xa0 [ 18.799317] ? __pfx_kthread+0x10/0x10 [ 18.799360] ret_from_fork+0x41/0x80 [ 18.799408] ? __pfx_kthread+0x10/0x10 [ 18.799451] ret_from_fork_asm+0x1a/0x30 [ 18.799523] </TASK> [ 18.799548] [ 18.809982] The buggy address belongs to stack of task kunit_try_catch/270 [ 18.810778] and is located at offset 138 in frame: [ 18.811219] kasan_stack_oob+0x0/0x300 [ 18.811858] [ 18.812144] This frame has 4 objects: [ 18.812626] [48, 49) '__assertion' [ 18.812687] [64, 72) 'array' [ 18.813014] [96, 112) '__assertion' [ 18.813357] [128, 138) 'stack_array' [ 18.813696] [ 18.814227] The buggy address belongs to the physical page: [ 18.814671] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x103a9f [ 18.815251] flags: 0x200000000000000(node=0|zone=2) [ 18.815536] raw: 0200000000000000 ffffea00040ea7c8 ffffea00040ea7c8 0000000000000000 [ 18.815932] raw: 0000000000000000 0000000000000000 00000000ffffffff 0000000000000000 [ 18.816549] page dumped because: kasan: bad access detected [ 18.816971] [ 18.817182] Memory state around the buggy address: [ 18.817551] ffff888103a9fc00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 f1 [ 18.817986] ffff888103a9fc80: f1 f1 f1 f1 f1 01 f2 00 f2 f2 f2 00 00 f2 f2 00 [ 18.818387] >ffff888103a9fd00: 02 f3 f3 00 00 00 00 00 00 00 00 00 00 00 00 f1 [ 18.818761] ^ [ 18.818951] ffff888103a9fd80: f1 f1 f1 00 00 f2 f2 00 00 f2 f2 00 00 f3 f3 00 [ 18.819265] ffff888103a9fe00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 18.819546] ==================================================================