Date
July 20, 2025, 8:11 p.m.
| Environment | |
|---|---|
| qemu-arm64 | |
| qemu-x86_64 |
[ 17.355722] ================================================================== [ 17.355784] BUG: KASAN: global-out-of-bounds in kasan_global_oob_right+0x230/0x270 [ 17.355836] Read of size 1 at addr ffff9b2f7954f58d by task kunit_try_catch/246 [ 17.355900] [ 17.355940] CPU: 0 UID: 0 PID: 246 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc6 #1 PREEMPT [ 17.356021] Tainted: [B]=BAD_PAGE, [N]=TEST [ 17.356049] Hardware name: linux,dummy-virt (DT) [ 17.356096] Call trace: [ 17.356133] show_stack+0x20/0x38 (C) [ 17.356198] dump_stack_lvl+0x8c/0xd0 [ 17.356993] print_report+0x310/0x5d0 [ 17.357042] kasan_report+0xdc/0x128 [ 17.357094] __asan_report_load1_noabort+0x20/0x30 [ 17.357146] kasan_global_oob_right+0x230/0x270 [ 17.357204] kunit_try_run_case+0x170/0x3f0 [ 17.357251] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 17.357307] kthread+0x328/0x630 [ 17.357348] ret_from_fork+0x10/0x20 [ 17.357409] [ 17.357465] The buggy address belongs to the variable: [ 17.357498] global_array+0xd/0x40 [ 17.357548] [ 17.357603] The buggy address ffff9b2f7954f58d belongs to a vmalloc virtual mapping [ 17.357686] The buggy address belongs to the physical page: [ 17.357721] page: refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x47d4f [ 17.357774] flags: 0x3fffe0000002000(reserved|node=0|zone=0|lastcpupid=0x1ffff) [ 17.357837] raw: 03fffe0000002000 ffffc1ffc01f53c8 ffffc1ffc01f53c8 0000000000000000 [ 17.357886] raw: 0000000000000000 0000000000000000 00000001ffffffff 0000000000000000 [ 17.357927] page dumped because: kasan: bad access detected [ 17.357958] [ 17.357978] Memory state around the buggy address: [ 17.358010] ffff9b2f7954f480: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 17.358053] ffff9b2f7954f500: 00 00 00 00 00 00 00 00 02 f9 f9 f9 f9 f9 f9 f9 [ 17.358096] >ffff9b2f7954f580: 00 02 f9 f9 f9 f9 f9 f9 04 f9 f9 f9 f9 f9 f9 f9 [ 17.358134] ^ [ 17.358164] ffff9b2f7954f600: 00 f9 f9 f9 f9 f9 f9 f9 01 f9 f9 f9 f9 f9 f9 f9 [ 17.358217] ffff9b2f7954f680: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 17.358255] ==================================================================
[ 14.714890] ================================================================== [ 14.716187] BUG: KASAN: global-out-of-bounds in kasan_global_oob_right+0x286/0x2d0 [ 14.716455] Read of size 1 at addr ffffffffad863e8d by task kunit_try_catch/263 [ 14.718179] [ 14.718638] CPU: 1 UID: 0 PID: 263 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc6 #1 PREEMPT(voluntary) [ 14.718702] Tainted: [B]=BAD_PAGE, [N]=TEST [ 14.718715] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 14.718738] Call Trace: [ 14.718751] <TASK> [ 14.718955] dump_stack_lvl+0x73/0xb0 [ 14.719026] print_report+0xd1/0x610 [ 14.719053] ? __virt_addr_valid+0x1db/0x2d0 [ 14.719078] ? kasan_global_oob_right+0x286/0x2d0 [ 14.719125] ? kasan_addr_to_slab+0x11/0xa0 [ 14.719147] ? kasan_global_oob_right+0x286/0x2d0 [ 14.719201] kasan_report+0x141/0x180 [ 14.719225] ? kasan_global_oob_right+0x286/0x2d0 [ 14.719251] __asan_report_load1_noabort+0x18/0x20 [ 14.719277] kasan_global_oob_right+0x286/0x2d0 [ 14.719299] ? __pfx_kasan_global_oob_right+0x10/0x10 [ 14.719323] ? __schedule+0x10c6/0x2b60 [ 14.719346] ? __pfx_read_tsc+0x10/0x10 [ 14.719368] ? ktime_get_ts64+0x86/0x230 [ 14.719394] kunit_try_run_case+0x1a5/0x480 [ 14.719420] ? __pfx_kunit_try_run_case+0x10/0x10 [ 14.719443] ? _raw_spin_lock_irqsave+0xa1/0x100 [ 14.719466] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 14.719501] ? __kthread_parkme+0x82/0x180 [ 14.719522] ? preempt_count_sub+0x50/0x80 [ 14.719546] ? __pfx_kunit_try_run_case+0x10/0x10 [ 14.719571] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 14.719594] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 14.719618] kthread+0x337/0x6f0 [ 14.719638] ? trace_preempt_on+0x20/0xc0 [ 14.719661] ? __pfx_kthread+0x10/0x10 [ 14.719684] ? _raw_spin_unlock_irq+0x47/0x80 [ 14.719706] ? calculate_sigpending+0x7b/0xa0 [ 14.719731] ? __pfx_kthread+0x10/0x10 [ 14.719752] ret_from_fork+0x116/0x1d0 [ 14.719789] ? __pfx_kthread+0x10/0x10 [ 14.719810] ret_from_fork_asm+0x1a/0x30 [ 14.719841] </TASK> [ 14.719852] [ 14.733306] The buggy address belongs to the variable: [ 14.733889] global_array+0xd/0x40 [ 14.734390] [ 14.734592] The buggy address belongs to the physical page: [ 14.735230] page: refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x2fc63 [ 14.735989] flags: 0x100000000002000(reserved|node=0|zone=1) [ 14.736608] raw: 0100000000002000 ffffea0000bf18c8 ffffea0000bf18c8 0000000000000000 [ 14.737322] raw: 0000000000000000 0000000000000000 00000001ffffffff 0000000000000000 [ 14.738059] page dumped because: kasan: bad access detected [ 14.738508] [ 14.738581] Memory state around the buggy address: [ 14.738741] ffffffffad863d80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 14.738981] ffffffffad863e00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 14.739208] >ffffffffad863e80: 00 02 f9 f9 f9 f9 f9 f9 00 f9 f9 f9 f9 f9 f9 f9 [ 14.740009] ^ [ 14.740371] ffffffffad863f00: 04 f9 f9 f9 f9 f9 f9 f9 02 f9 f9 f9 f9 f9 f9 f9 [ 14.741080] ffffffffad863f80: 01 f9 f9 f9 f9 f9 f9 f9 00 00 00 00 00 00 00 00 [ 14.741920] ==================================================================