Date
July 18, 2025, 1:09 p.m.
| Environment | |
|---|---|
| qemu-arm64 | |
| qemu-x86_64 |
[ 33.742908] ================================================================== [ 33.743004] BUG: KASAN: global-out-of-bounds in kasan_global_oob_right+0x230/0x270 [ 33.743067] Read of size 1 at addr ffffa0dee5d7b60d by task kunit_try_catch/276 [ 33.743172] [ 33.743212] CPU: 0 UID: 0 PID: 276 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc6-next-20250718 #1 PREEMPT [ 33.743602] Tainted: [B]=BAD_PAGE, [N]=TEST [ 33.743659] Hardware name: linux,dummy-virt (DT) [ 33.743720] Call trace: [ 33.743777] show_stack+0x20/0x38 (C) [ 33.743843] dump_stack_lvl+0x8c/0xd0 [ 33.744023] print_report+0x310/0x5e8 [ 33.744070] kasan_report+0xdc/0x128 [ 33.744214] __asan_report_load1_noabort+0x20/0x30 [ 33.744417] kasan_global_oob_right+0x230/0x270 [ 33.744539] kunit_try_run_case+0x170/0x3f0 [ 33.744704] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 33.744772] kthread+0x328/0x630 [ 33.745095] ret_from_fork+0x10/0x20 [ 33.745190] [ 33.745649] The buggy address belongs to the variable: [ 33.745702] global_array+0xd/0x40 [ 33.746141] [ 33.746264] The buggy address belongs to a vmalloc virtual mapping [ 33.749876] The buggy address belongs to the physical page: [ 33.749949] page: refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x47d7b [ 33.750045] flags: 0x3fffe0000002000(reserved|node=0|zone=0|lastcpupid=0x1ffff) [ 33.750138] raw: 03fffe0000002000 ffffc1ffc01f5ec8 ffffc1ffc01f5ec8 0000000000000000 [ 33.750206] raw: 0000000000000000 0000000000000000 00000001ffffffff 0000000000000000 [ 33.750248] page dumped because: kasan: bad access detected [ 33.750287] [ 33.750322] Memory state around the buggy address: [ 33.750371] ffffa0dee5d7b500: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 33.750428] ffffa0dee5d7b580: 00 00 00 00 00 00 00 00 02 f9 f9 f9 f9 f9 f9 f9 [ 33.750473] >ffffa0dee5d7b600: 00 02 f9 f9 f9 f9 f9 f9 04 f9 f9 f9 f9 f9 f9 f9 [ 33.750527] ^ [ 33.750571] ffffa0dee5d7b680: 00 f9 f9 f9 f9 f9 f9 f9 01 f9 f9 f9 f9 f9 f9 f9 [ 33.750616] ffffa0dee5d7b700: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 33.750675] ==================================================================
[ 26.635767] ================================================================== [ 26.637191] BUG: KASAN: global-out-of-bounds in kasan_global_oob_right+0x286/0x2d0 [ 26.638085] Read of size 1 at addr ffffffffb7ec4f8d by task kunit_try_catch/293 [ 26.639030] [ 26.639380] CPU: 1 UID: 0 PID: 293 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc6-next-20250718 #1 PREEMPT(voluntary) [ 26.639521] Tainted: [B]=BAD_PAGE, [N]=TEST [ 26.639537] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 26.639561] Call Trace: [ 26.639577] <TASK> [ 26.639595] dump_stack_lvl+0x73/0xb0 [ 26.639630] print_report+0xd1/0x640 [ 26.639653] ? __virt_addr_valid+0x1db/0x2d0 [ 26.639677] ? kasan_global_oob_right+0x286/0x2d0 [ 26.639698] ? kasan_addr_to_slab+0x11/0xa0 [ 26.639718] ? kasan_global_oob_right+0x286/0x2d0 [ 26.639740] kasan_report+0x141/0x180 [ 26.639761] ? kasan_global_oob_right+0x286/0x2d0 [ 26.639786] __asan_report_load1_noabort+0x18/0x20 [ 26.639809] kasan_global_oob_right+0x286/0x2d0 [ 26.639831] ? __pfx_kasan_global_oob_right+0x10/0x10 [ 26.639854] ? __schedule+0x10da/0x2b60 [ 26.639877] ? __pfx_read_tsc+0x10/0x10 [ 26.639898] ? ktime_get_ts64+0x86/0x230 [ 26.639924] kunit_try_run_case+0x1a5/0x480 [ 26.639949] ? __pfx_kunit_try_run_case+0x10/0x10 [ 26.639971] ? _raw_spin_lock_irqsave+0xa1/0x100 [ 26.639993] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 26.640037] ? __kthread_parkme+0x82/0x180 [ 26.640058] ? preempt_count_sub+0x50/0x80 [ 26.640091] ? __pfx_kunit_try_run_case+0x10/0x10 [ 26.640115] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 26.640138] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 26.640160] kthread+0x337/0x6f0 [ 26.640180] ? trace_preempt_on+0x20/0xc0 [ 26.640203] ? __pfx_kthread+0x10/0x10 [ 26.640222] ? _raw_spin_unlock_irq+0x47/0x80 [ 26.640256] ? calculate_sigpending+0x7b/0xa0 [ 26.640291] ? __pfx_kthread+0x10/0x10 [ 26.640311] ret_from_fork+0x116/0x1d0 [ 26.640330] ? __pfx_kthread+0x10/0x10 [ 26.640350] ret_from_fork_asm+0x1a/0x30 [ 26.640382] </TASK> [ 26.640393] [ 26.655740] The buggy address belongs to the variable: [ 26.655961] global_array+0xd/0x40 [ 26.656147] [ 26.656465] The buggy address belongs to the physical page: [ 26.656662] page: refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x304c4 [ 26.656998] flags: 0x100000000002000(reserved|node=0|zone=1) [ 26.657261] raw: 0100000000002000 ffffea0000c13108 ffffea0000c13108 0000000000000000 [ 26.657602] raw: 0000000000000000 0000000000000000 00000001ffffffff 0000000000000000 [ 26.657926] page dumped because: kasan: bad access detected [ 26.658148] [ 26.658219] Memory state around the buggy address: [ 26.659209] ffffffffb7ec4e80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 26.659614] ffffffffb7ec4f00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 26.660062] >ffffffffb7ec4f80: 00 02 f9 f9 f9 f9 f9 f9 00 f9 f9 f9 f9 f9 f9 f9 [ 26.660474] ^ [ 26.660741] ffffffffb7ec5000: 04 f9 f9 f9 f9 f9 f9 f9 02 f9 f9 f9 f9 f9 f9 f9 [ 26.661281] ffffffffb7ec5080: 01 f9 f9 f9 f9 f9 f9 f9 00 00 00 00 00 00 00 00 [ 26.661648] ==================================================================