Date
May 26, 2025, 9:10 a.m.
| Environment | |
|---|---|
| qemu-arm64 | |
| qemu-x86_64 |
[ 20.120881] ================================================================== [ 20.121222] BUG: KASAN: global-out-of-bounds in kasan_global_oob_right+0x230/0x270 [ 20.121451] Read of size 1 at addr ffffa132831b15cd by task kunit_try_catch/245 [ 20.121570] [ 20.121676] CPU: 0 UID: 0 PID: 245 Comm: kunit_try_catch Tainted: G B N 6.15.0-rc7-next-20250526 #1 PREEMPT [ 20.121877] Tainted: [B]=BAD_PAGE, [N]=TEST [ 20.122592] Hardware name: linux,dummy-virt (DT) [ 20.122755] Call trace: [ 20.122850] show_stack+0x20/0x38 (C) [ 20.123009] dump_stack_lvl+0x8c/0xd0 [ 20.123135] print_report+0x310/0x608 [ 20.123285] kasan_report+0xdc/0x128 [ 20.123618] __asan_report_load1_noabort+0x20/0x30 [ 20.123750] kasan_global_oob_right+0x230/0x270 [ 20.123853] kunit_try_run_case+0x170/0x3f0 [ 20.124090] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 20.124284] kthread+0x328/0x630 [ 20.124507] ret_from_fork+0x10/0x20 [ 20.124659] [ 20.125033] The buggy address belongs to the variable: [ 20.125118] global_array+0xd/0x40 [ 20.125229] [ 20.125602] The buggy address belongs to the virtual mapping at [ 20.125602] [ffffa13281350000, ffffa13283271000) created by: [ 20.125602] paging_init+0x66c/0x7d0 [ 20.126353] [ 20.126602] The buggy address belongs to the physical page: [ 20.126683] page: refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x47db1 [ 20.127024] flags: 0x3fffe0000002000(reserved|node=0|zone=0|lastcpupid=0x1ffff) [ 20.127213] raw: 03fffe0000002000 ffffc1ffc01f6c48 ffffc1ffc01f6c48 0000000000000000 [ 20.127619] raw: 0000000000000000 0000000000000000 00000001ffffffff 0000000000000000 [ 20.127708] page dumped because: kasan: bad access detected [ 20.127766] [ 20.127799] Memory state around the buggy address: [ 20.127871] ffffa132831b1480: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 20.128216] ffffa132831b1500: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 20.129647] >ffffa132831b1580: 02 f9 f9 f9 f9 f9 f9 f9 00 02 f9 f9 f9 f9 f9 f9 [ 20.129733] ^ [ 20.129818] ffffa132831b1600: 04 f9 f9 f9 f9 f9 f9 f9 00 f9 f9 f9 f9 f9 f9 f9 [ 20.129913] ffffa132831b1680: 01 f9 f9 f9 f9 f9 f9 f9 00 00 00 00 00 00 00 00 [ 20.130003] ==================================================================
[ 12.792135] ================================================================== [ 12.793074] BUG: KASAN: global-out-of-bounds in kasan_global_oob_right+0x286/0x2d0 [ 12.793664] Read of size 1 at addr ffffffffa987ae4d by task kunit_try_catch/263 [ 12.794177] [ 12.794319] CPU: 1 UID: 0 PID: 263 Comm: kunit_try_catch Tainted: G B N 6.15.0-rc7-next-20250526 #1 PREEMPT(voluntary) [ 12.794551] Tainted: [B]=BAD_PAGE, [N]=TEST [ 12.794565] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 12.794589] Call Trace: [ 12.794603] <TASK> [ 12.794621] dump_stack_lvl+0x73/0xb0 [ 12.794650] print_report+0xd1/0x650 [ 12.794674] ? __virt_addr_valid+0x1db/0x2d0 [ 12.794698] ? kasan_global_oob_right+0x286/0x2d0 [ 12.794736] ? kasan_addr_to_slab+0x11/0xa0 [ 12.794757] ? kasan_global_oob_right+0x286/0x2d0 [ 12.794779] kasan_report+0x141/0x180 [ 12.794801] ? kasan_global_oob_right+0x286/0x2d0 [ 12.794828] __asan_report_load1_noabort+0x18/0x20 [ 12.794849] kasan_global_oob_right+0x286/0x2d0 [ 12.794871] ? __pfx_kasan_global_oob_right+0x10/0x10 [ 12.794895] ? __schedule+0x10cc/0x2b60 [ 12.794920] ? __pfx_read_tsc+0x10/0x10 [ 12.794941] ? ktime_get_ts64+0x86/0x230 [ 12.794966] kunit_try_run_case+0x1a5/0x480 [ 12.794988] ? __pfx_kunit_try_run_case+0x10/0x10 [ 12.795019] ? _raw_spin_lock_irqsave+0xa1/0x100 [ 12.795045] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 12.795068] ? __kthread_parkme+0x82/0x180 [ 12.795088] ? preempt_count_sub+0x50/0x80 [ 12.795112] ? __pfx_kunit_try_run_case+0x10/0x10 [ 12.795133] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 12.795156] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 12.795180] kthread+0x337/0x6f0 [ 12.795199] ? trace_preempt_on+0x20/0xc0 [ 12.795222] ? __pfx_kthread+0x10/0x10 [ 12.795243] ? _raw_spin_unlock_irq+0x47/0x80 [ 12.795265] ? calculate_sigpending+0x7b/0xa0 [ 12.795289] ? __pfx_kthread+0x10/0x10 [ 12.795309] ret_from_fork+0x116/0x1d0 [ 12.795328] ? __pfx_kthread+0x10/0x10 [ 12.795347] ret_from_fork_asm+0x1a/0x30 [ 12.795390] </TASK> [ 12.795400] [ 12.805397] The buggy address belongs to the variable: [ 12.805650] global_array+0xd/0x40 [ 12.805864] [ 12.806400] The buggy address belongs to the physical page: [ 12.806619] page: refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x16cc7a [ 12.807249] flags: 0x200000000002000(reserved|node=0|zone=2) [ 12.807506] raw: 0200000000002000 ffffea0005b31e88 ffffea0005b31e88 0000000000000000 [ 12.807980] raw: 0000000000000000 0000000000000000 00000001ffffffff 0000000000000000 [ 12.808387] page dumped because: kasan: bad access detected [ 12.808622] [ 12.808698] Memory state around the buggy address: [ 12.809151] ffffffffa987ad00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 12.809563] ffffffffa987ad80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 12.809999] >ffffffffa987ae00: 00 00 00 00 00 00 00 00 00 02 f9 f9 f9 f9 f9 f9 [ 12.810441] ^ [ 12.810659] ffffffffa987ae80: 00 f9 f9 f9 f9 f9 f9 f9 04 f9 f9 f9 f9 f9 f9 f9 [ 12.811298] ffffffffa987af00: 02 f9 f9 f9 f9 f9 f9 f9 01 f9 f9 f9 f9 f9 f9 f9 [ 12.811599] ==================================================================