Date
May 15, 2025, 10:38 a.m.
| Environment | |
|---|---|
| qemu-arm64 | |
| qemu-x86_64 |
[ 20.040649] ================================================================== [ 20.040710] BUG: KASAN: global-out-of-bounds in kasan_global_oob_right+0x230/0x270 [ 20.040767] Read of size 1 at addr ffff9507083405cd by task kunit_try_catch/245 [ 20.040819] [ 20.040864] CPU: 0 UID: 0 PID: 245 Comm: kunit_try_catch Tainted: G B N 6.15.0-rc6-next-20250515 #1 PREEMPT [ 20.040950] Tainted: [B]=BAD_PAGE, [N]=TEST [ 20.040977] Hardware name: linux,dummy-virt (DT) [ 20.041008] Call trace: [ 20.041048] show_stack+0x20/0x38 (C) [ 20.041098] dump_stack_lvl+0x8c/0xd0 [ 20.041146] print_report+0x310/0x608 [ 20.041505] kasan_report+0xdc/0x128 [ 20.041567] __asan_report_load1_noabort+0x20/0x30 [ 20.041664] kasan_global_oob_right+0x230/0x270 [ 20.041738] kunit_try_run_case+0x170/0x3f0 [ 20.041834] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 20.041915] kthread+0x328/0x630 [ 20.041960] ret_from_fork+0x10/0x20 [ 20.042015] [ 20.042062] The buggy address belongs to the variable: [ 20.042091] global_array+0xd/0x40 [ 20.042139] [ 20.042354] The buggy address belongs to the virtual mapping at [ 20.042354] [ffff9507064f0000, ffff950708401000) created by: [ 20.042354] paging_init+0x66c/0x7d0 [ 20.042441] [ 20.042567] The buggy address belongs to the physical page: [ 20.042628] page: refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x47d40 [ 20.042715] flags: 0x3fffe0000002000(reserved|node=0|zone=0|lastcpupid=0x1ffff) [ 20.042796] raw: 03fffe0000002000 ffffc1ffc01f5008 ffffc1ffc01f5008 0000000000000000 [ 20.042869] raw: 0000000000000000 0000000000000000 00000001ffffffff 0000000000000000 [ 20.042990] page dumped because: kasan: bad access detected [ 20.043084] [ 20.043129] Memory state around the buggy address: [ 20.043237] ffff950708340480: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 20.043315] ffff950708340500: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 20.043381] >ffff950708340580: 02 f9 f9 f9 f9 f9 f9 f9 00 02 f9 f9 f9 f9 f9 f9 [ 20.043500] ^ [ 20.043568] ffff950708340600: 04 f9 f9 f9 f9 f9 f9 f9 00 f9 f9 f9 f9 f9 f9 f9 [ 20.043641] ffff950708340680: 01 f9 f9 f9 f9 f9 f9 f9 00 00 00 00 00 00 00 00 [ 20.043678] ==================================================================
[ 16.050123] ================================================================== [ 16.051021] BUG: KASAN: global-out-of-bounds in kasan_global_oob_right+0x286/0x2d0 [ 16.051454] Read of size 1 at addr ffffffffaa85fecd by task kunit_try_catch/263 [ 16.052809] [ 16.053002] CPU: 1 UID: 0 PID: 263 Comm: kunit_try_catch Tainted: G B N 6.15.0-rc6-next-20250515 #1 PREEMPT(voluntary) [ 16.053079] Tainted: [B]=BAD_PAGE, [N]=TEST [ 16.053100] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 16.053139] Call Trace: [ 16.053165] <TASK> [ 16.053231] dump_stack_lvl+0x73/0xb0 [ 16.053306] print_report+0xd1/0x650 [ 16.053352] ? __virt_addr_valid+0x1db/0x2d0 [ 16.053411] ? kasan_global_oob_right+0x286/0x2d0 [ 16.053457] ? kasan_addr_to_slab+0x11/0xa0 [ 16.053495] ? kasan_global_oob_right+0x286/0x2d0 [ 16.053540] kasan_report+0x141/0x180 [ 16.053573] ? kasan_global_oob_right+0x286/0x2d0 [ 16.053616] __asan_report_load1_noabort+0x18/0x20 [ 16.053649] kasan_global_oob_right+0x286/0x2d0 [ 16.053677] ? __pfx_kasan_global_oob_right+0x10/0x10 [ 16.053701] ? __schedule+0x10cc/0x2b60 [ 16.053724] ? __pfx_read_tsc+0x10/0x10 [ 16.053746] ? ktime_get_ts64+0x86/0x230 [ 16.053772] kunit_try_run_case+0x1a5/0x480 [ 16.053797] ? __pfx_kunit_try_run_case+0x10/0x10 [ 16.053818] ? _raw_spin_lock_irqsave+0xa1/0x100 [ 16.053840] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 16.053861] ? __kthread_parkme+0x82/0x180 [ 16.053883] ? preempt_count_sub+0x50/0x80 [ 16.053907] ? __pfx_kunit_try_run_case+0x10/0x10 [ 16.053929] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 16.053950] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 16.053971] kthread+0x337/0x6f0 [ 16.053990] ? trace_preempt_on+0x20/0xc0 [ 16.054014] ? __pfx_kthread+0x10/0x10 [ 16.054033] ? _raw_spin_unlock_irq+0x47/0x80 [ 16.054054] ? calculate_sigpending+0x7b/0xa0 [ 16.054078] ? __pfx_kthread+0x10/0x10 [ 16.054099] ret_from_fork+0x116/0x1d0 [ 16.054116] ? __pfx_kthread+0x10/0x10 [ 16.054136] ret_from_fork_asm+0x1a/0x30 [ 16.054167] </TASK> [ 16.054180] [ 16.063483] The buggy address belongs to the variable: [ 16.063926] global_array+0xd/0x40 [ 16.064299] [ 16.064514] The buggy address belongs to the physical page: [ 16.064991] page: refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x2d25f [ 16.065298] flags: 0x100000000002000(reserved|node=0|zone=1) [ 16.065714] raw: 0100000000002000 ffffea0000b497c8 ffffea0000b497c8 0000000000000000 [ 16.066328] raw: 0000000000000000 0000000000000000 00000001ffffffff 0000000000000000 [ 16.067127] page dumped because: kasan: bad access detected [ 16.067369] [ 16.067536] Memory state around the buggy address: [ 16.068186] ffffffffaa85fd80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 16.069949] ffffffffaa85fe00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 16.070203] >ffffffffaa85fe80: 00 00 00 00 00 00 00 00 00 02 f9 f9 f9 f9 f9 f9 [ 16.070685] ^ [ 16.071106] ffffffffaa85ff00: 00 f9 f9 f9 f9 f9 f9 f9 04 f9 f9 f9 f9 f9 f9 f9 [ 16.071957] ffffffffaa85ff80: 02 f9 f9 f9 f9 f9 f9 f9 01 f9 f9 f9 f9 f9 f9 f9 [ 16.072424] ==================================================================