Date
July 8, 2025, 7:07 p.m.
| Environment | |
|---|---|
| qemu-arm64 | |
| qemu-x86_64 |
[ 19.257124] ================================================================== [ 19.257259] BUG: KASAN: slab-out-of-bounds in kmalloc_oob_16+0x3a0/0x3f8 [ 19.257312] Write of size 16 at addr fff00000c564f2e0 by task kunit_try_catch/166 [ 19.257361] [ 19.257743] CPU: 1 UID: 0 PID: 166 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc5 #1 PREEMPT [ 19.257838] Tainted: [B]=BAD_PAGE, [N]=TEST [ 19.257881] Hardware name: linux,dummy-virt (DT) [ 19.258026] Call trace: [ 19.258276] show_stack+0x20/0x38 (C) [ 19.258344] dump_stack_lvl+0x8c/0xd0 [ 19.258390] print_report+0x118/0x608 [ 19.258434] kasan_report+0xdc/0x128 [ 19.258482] __asan_report_store16_noabort+0x20/0x30 [ 19.258535] kmalloc_oob_16+0x3a0/0x3f8 [ 19.258577] kunit_try_run_case+0x170/0x3f0 [ 19.258623] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 19.259241] kthread+0x328/0x630 [ 19.259347] ret_from_fork+0x10/0x20 [ 19.259400] [ 19.259418] Allocated by task 166: [ 19.259449] kasan_save_stack+0x3c/0x68 [ 19.259538] kasan_save_track+0x20/0x40 [ 19.259641] kasan_save_alloc_info+0x40/0x58 [ 19.259679] __kasan_kmalloc+0xd4/0xd8 [ 19.260024] __kmalloc_cache_noprof+0x16c/0x3c0 [ 19.260134] kmalloc_oob_16+0xb4/0x3f8 [ 19.260252] kunit_try_run_case+0x170/0x3f0 [ 19.260348] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 19.260492] kthread+0x328/0x630 [ 19.260544] ret_from_fork+0x10/0x20 [ 19.260794] [ 19.260941] The buggy address belongs to the object at fff00000c564f2e0 [ 19.260941] which belongs to the cache kmalloc-16 of size 16 [ 19.261368] The buggy address is located 0 bytes inside of [ 19.261368] allocated 13-byte region [fff00000c564f2e0, fff00000c564f2ed) [ 19.261529] [ 19.261551] The buggy address belongs to the physical page: [ 19.261617] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x10564f [ 19.261823] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff) [ 19.262368] page_type: f5(slab) [ 19.262459] raw: 0bfffe0000000000 fff00000c0001640 dead000000000122 0000000000000000 [ 19.262565] raw: 0000000000000000 0000000080800080 00000000f5000000 0000000000000000 [ 19.262615] page dumped because: kasan: bad access detected [ 19.262655] [ 19.262688] Memory state around the buggy address: [ 19.262731] fff00000c564f180: 00 05 fc fc fa fb fc fc fa fb fc fc 00 02 fc fc [ 19.262772] fff00000c564f200: fa fb fc fc fa fb fc fc 00 01 fc fc fa fb fc fc [ 19.262813] >fff00000c564f280: fa fb fc fc fa fb fc fc fa fb fc fc 00 05 fc fc [ 19.262850] ^ [ 19.262887] fff00000c564f300: 00 00 fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 19.262954] fff00000c564f380: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 19.262992] ==================================================================
[ 12.879392] ================================================================== [ 12.880393] BUG: KASAN: slab-out-of-bounds in kmalloc_oob_16+0x452/0x4a0 [ 12.880632] Write of size 16 at addr ffff8881022bac60 by task kunit_try_catch/183 [ 12.880862] [ 12.880954] CPU: 0 UID: 0 PID: 183 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc5 #1 PREEMPT(voluntary) [ 12.880999] Tainted: [B]=BAD_PAGE, [N]=TEST [ 12.881010] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 12.881031] Call Trace: [ 12.881092] <TASK> [ 12.881109] dump_stack_lvl+0x73/0xb0 [ 12.881140] print_report+0xd1/0x650 [ 12.881161] ? __virt_addr_valid+0x1db/0x2d0 [ 12.881185] ? kmalloc_oob_16+0x452/0x4a0 [ 12.881204] ? kasan_complete_mode_report_info+0x2a/0x200 [ 12.881229] ? kmalloc_oob_16+0x452/0x4a0 [ 12.881248] kasan_report+0x141/0x180 [ 12.881269] ? kmalloc_oob_16+0x452/0x4a0 [ 12.881293] __asan_report_store16_noabort+0x1b/0x30 [ 12.881316] kmalloc_oob_16+0x452/0x4a0 [ 12.881336] ? __pfx_kmalloc_oob_16+0x10/0x10 [ 12.881404] ? __pfx_read_tsc+0x10/0x10 [ 12.881452] ? ktime_get_ts64+0x86/0x230 [ 12.881571] kunit_try_run_case+0x1a5/0x480 [ 12.881608] ? __pfx_kunit_try_run_case+0x10/0x10 [ 12.881629] ? _raw_spin_lock_irqsave+0xa1/0x100 [ 12.881653] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 12.881674] ? __kthread_parkme+0x82/0x180 [ 12.881694] ? preempt_count_sub+0x50/0x80 [ 12.881717] ? __pfx_kunit_try_run_case+0x10/0x10 [ 12.881781] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 12.881827] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 12.881863] kthread+0x337/0x6f0 [ 12.881882] ? trace_preempt_on+0x20/0xc0 [ 12.881904] ? __pfx_kthread+0x10/0x10 [ 12.881923] ? _raw_spin_unlock_irq+0x47/0x80 [ 12.881943] ? calculate_sigpending+0x7b/0xa0 [ 12.881966] ? __pfx_kthread+0x10/0x10 [ 12.881986] ret_from_fork+0x116/0x1d0 [ 12.882004] ? __pfx_kthread+0x10/0x10 [ 12.882023] ret_from_fork_asm+0x1a/0x30 [ 12.882077] </TASK> [ 12.882089] [ 12.892566] Allocated by task 183: [ 12.892700] kasan_save_stack+0x45/0x70 [ 12.892845] kasan_save_track+0x18/0x40 [ 12.892980] kasan_save_alloc_info+0x3b/0x50 [ 12.893752] __kasan_kmalloc+0xb7/0xc0 [ 12.894988] __kmalloc_cache_noprof+0x189/0x420 [ 12.895742] kmalloc_oob_16+0xa8/0x4a0 [ 12.896381] kunit_try_run_case+0x1a5/0x480 [ 12.897067] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 12.897838] kthread+0x337/0x6f0 [ 12.898428] ret_from_fork+0x116/0x1d0 [ 12.899200] ret_from_fork_asm+0x1a/0x30 [ 12.899721] [ 12.900020] The buggy address belongs to the object at ffff8881022bac60 [ 12.900020] which belongs to the cache kmalloc-16 of size 16 [ 12.901811] The buggy address is located 0 bytes inside of [ 12.901811] allocated 13-byte region [ffff8881022bac60, ffff8881022bac6d) [ 12.903414] [ 12.903804] The buggy address belongs to the physical page: [ 12.904635] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1022ba [ 12.905715] flags: 0x200000000000000(node=0|zone=2) [ 12.906553] page_type: f5(slab) [ 12.907001] raw: 0200000000000000 ffff888100041640 dead000000000122 0000000000000000 [ 12.908058] raw: 0000000000000000 0000000080800080 00000000f5000000 0000000000000000 [ 12.908679] page dumped because: kasan: bad access detected [ 12.909456] [ 12.909817] Memory state around the buggy address: [ 12.910032] ffff8881022bab00: 00 02 fc fc 00 02 fc fc 00 06 fc fc 00 06 fc fc [ 12.911153] ffff8881022bab80: 00 04 fc fc 00 04 fc fc 00 01 fc fc 00 01 fc fc [ 12.911408] >ffff8881022bac00: 00 04 fc fc 00 04 fc fc fa fb fc fc 00 05 fc fc [ 12.911921] ^ [ 12.912837] ffff8881022bac80: 00 00 fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 12.913989] ffff8881022bad00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 12.914812] ==================================================================