Date
June 2, 2025, 2:11 p.m.
| Environment | |
|---|---|
| e850-96 | |
| qemu-x86_64 |
[ 37.522626] ================================================================== [ 37.532293] BUG: KASAN: alloca-out-of-bounds in kasan_alloca_oob_right+0x2dc/0x340 [ 37.539845] Read of size 1 at addr ffff800089377b4a by task kunit_try_catch/300 [ 37.547133] [ 37.548619] CPU: 3 UID: 0 PID: 300 Comm: kunit_try_catch Tainted: G B N 6.15.1-rc1 #1 PREEMPT [ 37.548676] Tainted: [B]=BAD_PAGE, [N]=TEST [ 37.548695] Hardware name: WinLink E850-96 board (DT) [ 37.548722] Call trace: [ 37.548738] show_stack+0x20/0x38 (C) [ 37.548774] dump_stack_lvl+0x8c/0xd0 [ 37.548810] print_report+0x310/0x608 [ 37.548842] kasan_report+0xdc/0x128 [ 37.548873] __asan_report_load1_noabort+0x20/0x30 [ 37.548907] kasan_alloca_oob_right+0x2dc/0x340 [ 37.548944] kunit_try_run_case+0x170/0x3f0 [ 37.548985] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 37.549026] kthread+0x328/0x630 [ 37.549065] ret_from_fork+0x10/0x20 [ 37.549100] [ 37.611805] The buggy address belongs to stack of task kunit_try_catch/300 [ 37.618682] [ 37.620139] The buggy address belongs to the virtual mapping at [ 37.620139] [ffff800089370000, ffff800089379000) created by: [ 37.620139] kernel_clone+0x150/0x7a8 [ 37.635413] [ 37.636894] The buggy address belongs to the physical page: [ 37.642449] page: refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x8867ee [ 37.650434] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff) [ 37.656954] raw: 0bfffe0000000000 0000000000000000 dead000000000122 0000000000000000 [ 37.664672] raw: 0000000000000000 0000000000000000 00000001ffffffff 0000000000000000 [ 37.672391] page dumped because: kasan: bad access detected [ 37.677947] [ 37.679423] Memory state around the buggy address: [ 37.684202] ffff800089377a00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 37.691405] ffff800089377a80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 37.698610] >ffff800089377b00: 00 00 00 00 ca ca ca ca 00 02 cb cb cb cb cb cb [ 37.705811] ^ [ 37.711370] ffff800089377b80: 00 00 00 00 00 00 00 00 f1 f1 f1 f1 01 f2 04 f2 [ 37.718576] ffff800089377c00: 00 f2 f2 f2 00 00 f3 f3 00 00 00 00 00 00 00 00 [ 37.725776] ==================================================================
[ 18.875125] ================================================================== [ 18.875788] BUG: KASAN: alloca-out-of-bounds in kasan_alloca_oob_right+0x329/0x390 [ 18.876443] Read of size 1 at addr ffff888103a9fc4a by task kunit_try_catch/274 [ 18.876905] [ 18.877060] CPU: 0 UID: 0 PID: 274 Comm: kunit_try_catch Tainted: G B N 6.15.1-rc1 #1 PREEMPT(voluntary) [ 18.877214] Tainted: [B]=BAD_PAGE, [N]=TEST [ 18.877241] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 18.877283] Call Trace: [ 18.877314] <TASK> [ 18.877354] dump_stack_lvl+0x73/0xb0 [ 18.877457] print_report+0xd1/0x650 [ 18.877513] ? __virt_addr_valid+0x1db/0x2d0 [ 18.877576] ? kasan_alloca_oob_right+0x329/0x390 [ 18.877617] ? kasan_addr_to_slab+0x11/0xa0 [ 18.877653] ? kasan_alloca_oob_right+0x329/0x390 [ 18.877692] kasan_report+0x141/0x180 [ 18.877734] ? kasan_alloca_oob_right+0x329/0x390 [ 18.877826] __asan_report_load1_noabort+0x18/0x20 [ 18.877886] kasan_alloca_oob_right+0x329/0x390 [ 18.877934] ? finish_task_switch.isra.0+0x153/0x700 [ 18.877980] ? rt_mutex_adjust_prio_chain+0x19ae/0x20e0 [ 18.878025] ? trace_hardirqs_on+0x37/0xe0 [ 18.878077] ? __pfx_kasan_alloca_oob_right+0x10/0x10 [ 18.878169] ? __schedule+0x10cc/0x2b30 [ 18.878241] ? __pfx_read_tsc+0x10/0x10 [ 18.878282] ? ktime_get_ts64+0x86/0x230 [ 18.878332] kunit_try_run_case+0x1a5/0x480 [ 18.878380] ? __pfx_kunit_try_run_case+0x10/0x10 [ 18.878422] ? _raw_spin_lock_irqsave+0xa1/0x100 [ 18.878472] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 18.878548] ? __kthread_parkme+0x82/0x180 [ 18.878598] ? preempt_count_sub+0x50/0x80 [ 18.878657] ? __pfx_kunit_try_run_case+0x10/0x10 [ 18.878700] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 18.878759] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 18.878812] kthread+0x337/0x6f0 [ 18.878850] ? trace_preempt_on+0x20/0xc0 [ 18.878899] ? __pfx_kthread+0x10/0x10 [ 18.878936] ? _raw_spin_unlock_irq+0x47/0x80 [ 18.878974] ? calculate_sigpending+0x7b/0xa0 [ 18.879022] ? __pfx_kthread+0x10/0x10 [ 18.879064] ret_from_fork+0x41/0x80 [ 18.879147] ? __pfx_kthread+0x10/0x10 [ 18.879609] ret_from_fork_asm+0x1a/0x30 [ 18.879700] </TASK> [ 18.879719] [ 18.900983] The buggy address belongs to stack of task kunit_try_catch/274 [ 18.902252] [ 18.902846] The buggy address belongs to the physical page: [ 18.903856] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x103a9f [ 18.904659] flags: 0x200000000000000(node=0|zone=2) [ 18.905512] raw: 0200000000000000 ffffea00040ea7c8 ffffea00040ea7c8 0000000000000000 [ 18.906016] raw: 0000000000000000 0000000000000000 00000000ffffffff 0000000000000000 [ 18.906680] page dumped because: kasan: bad access detected [ 18.907313] [ 18.907934] Memory state around the buggy address: [ 18.908384] ffff888103a9fb00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 18.908685] ffff888103a9fb80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 18.908966] >ffff888103a9fc00: 00 00 00 00 ca ca ca ca 00 02 cb cb cb cb cb cb [ 18.909217] ^ [ 18.910408] ffff888103a9fc80: 00 00 00 f1 f1 f1 f1 01 f2 04 f2 00 f2 f2 f2 00 [ 18.910977] ffff888103a9fd00: 00 f3 f3 00 00 00 00 00 00 00 00 00 00 00 00 f1 [ 18.911546] ==================================================================