Date
July 16, 2025, 12:11 p.m.
| Environment | |
|---|---|
| qemu-arm64 | |
| qemu-x86_64 |
[ 32.869684] ================================================================== [ 32.870008] BUG: KASAN: global-out-of-bounds in kasan_global_oob_right+0x230/0x270 [ 32.870078] Read of size 1 at addr ffff9420b897a70d by task kunit_try_catch/276 [ 32.870134] [ 32.870218] CPU: 0 UID: 0 PID: 276 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc6-next-20250716 #1 PREEMPT [ 32.870327] Tainted: [B]=BAD_PAGE, [N]=TEST [ 32.870371] Hardware name: linux,dummy-virt (DT) [ 32.870406] Call trace: [ 32.870436] show_stack+0x20/0x38 (C) [ 32.870489] dump_stack_lvl+0x8c/0xd0 [ 32.870769] print_report+0x310/0x5d0 [ 32.870831] kasan_report+0xdc/0x128 [ 32.870886] __asan_report_load1_noabort+0x20/0x30 [ 32.870996] kasan_global_oob_right+0x230/0x270 [ 32.871050] kunit_try_run_case+0x170/0x3f0 [ 32.871142] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 32.871199] kthread+0x328/0x630 [ 32.871275] ret_from_fork+0x10/0x20 [ 32.871336] [ 32.871521] The buggy address belongs to the variable: [ 32.871565] global_array+0xd/0x40 [ 32.871802] [ 32.872032] The buggy address ffff9420b897a70d belongs to a vmalloc virtual mapping [ 32.872133] The buggy address belongs to the physical page: [ 32.872170] page: refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x47d7a [ 32.872589] flags: 0x3fffe0000002000(reserved|node=0|zone=0|lastcpupid=0x1ffff) [ 32.872755] raw: 03fffe0000002000 ffffc1ffc01f5e88 ffffc1ffc01f5e88 0000000000000000 [ 32.872876] raw: 0000000000000000 0000000000000000 00000001ffffffff 0000000000000000 [ 32.872993] page dumped because: kasan: bad access detected [ 32.873029] [ 32.873049] Memory state around the buggy address: [ 32.873303] ffff9420b897a600: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 32.873470] ffff9420b897a680: 00 00 00 00 00 00 00 00 02 f9 f9 f9 f9 f9 f9 f9 [ 32.873608] >ffff9420b897a700: 00 02 f9 f9 f9 f9 f9 f9 04 f9 f9 f9 f9 f9 f9 f9 [ 32.873717] ^ [ 32.873749] ffff9420b897a780: 00 f9 f9 f9 f9 f9 f9 f9 01 f9 f9 f9 f9 f9 f9 f9 [ 32.873795] ffff9420b897a800: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 32.873838] ==================================================================
[ 25.091241] ================================================================== [ 25.092152] BUG: KASAN: global-out-of-bounds in kasan_global_oob_right+0x286/0x2d0 [ 25.092960] Read of size 1 at addr ffffffffb78c4f8d by task kunit_try_catch/294 [ 25.093182] [ 25.093315] CPU: 0 UID: 0 PID: 294 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc6-next-20250716 #1 PREEMPT(voluntary) [ 25.093373] Tainted: [B]=BAD_PAGE, [N]=TEST [ 25.093388] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 25.093410] Call Trace: [ 25.093424] <TASK> [ 25.093443] dump_stack_lvl+0x73/0xb0 [ 25.093476] print_report+0xd1/0x610 [ 25.093502] ? __virt_addr_valid+0x1db/0x2d0 [ 25.093527] ? kasan_global_oob_right+0x286/0x2d0 [ 25.093548] ? kasan_addr_to_slab+0x11/0xa0 [ 25.093569] ? kasan_global_oob_right+0x286/0x2d0 [ 25.093599] kasan_report+0x141/0x180 [ 25.093622] ? kasan_global_oob_right+0x286/0x2d0 [ 25.093648] __asan_report_load1_noabort+0x18/0x20 [ 25.093672] kasan_global_oob_right+0x286/0x2d0 [ 25.093693] ? __pfx_kasan_global_oob_right+0x10/0x10 [ 25.093717] ? __schedule+0x10c6/0x2b60 [ 25.093740] ? __pfx_read_tsc+0x10/0x10 [ 25.093762] ? ktime_get_ts64+0x86/0x230 [ 25.093790] kunit_try_run_case+0x1a5/0x480 [ 25.093817] ? __pfx_kunit_try_run_case+0x10/0x10 [ 25.093840] ? _raw_spin_lock_irqsave+0xa1/0x100 [ 25.093862] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 25.093884] ? __kthread_parkme+0x82/0x180 [ 25.093905] ? preempt_count_sub+0x50/0x80 [ 25.093928] ? __pfx_kunit_try_run_case+0x10/0x10 [ 25.093951] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 25.093979] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 25.094006] kthread+0x337/0x6f0 [ 25.094025] ? trace_preempt_on+0x20/0xc0 [ 25.094049] ? __pfx_kthread+0x10/0x10 [ 25.094068] ? _raw_spin_unlock_irq+0x47/0x80 [ 25.094089] ? calculate_sigpending+0x7b/0xa0 [ 25.094114] ? __pfx_kthread+0x10/0x10 [ 25.094135] ret_from_fork+0x116/0x1d0 [ 25.094154] ? __pfx_kthread+0x10/0x10 [ 25.094174] ret_from_fork_asm+0x1a/0x30 [ 25.094206] </TASK> [ 25.094217] [ 25.105158] The buggy address belongs to the variable: [ 25.105660] global_array+0xd/0x40 [ 25.106111] [ 25.106306] The buggy address belongs to the physical page: [ 25.106828] page: refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x48ac4 [ 25.107571] flags: 0x100000000002000(reserved|node=0|zone=1) [ 25.108162] raw: 0100000000002000 ffffea000122b108 ffffea000122b108 0000000000000000 [ 25.108474] raw: 0000000000000000 0000000000000000 00000001ffffffff 0000000000000000 [ 25.108699] page dumped because: kasan: bad access detected [ 25.108867] [ 25.108931] Memory state around the buggy address: [ 25.109084] ffffffffb78c4e80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 25.109314] ffffffffb78c4f00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 25.109704] >ffffffffb78c4f80: 00 02 f9 f9 f9 f9 f9 f9 00 f9 f9 f9 f9 f9 f9 f9 [ 25.110083] ^ [ 25.110221] ffffffffb78c5000: 04 f9 f9 f9 f9 f9 f9 f9 02 f9 f9 f9 f9 f9 f9 f9 [ 25.110548] ffffffffb78c5080: 01 f9 f9 f9 f9 f9 f9 f9 00 00 00 00 00 00 00 00 [ 25.110846] ==================================================================