Date
June 25, 2025, 8:08 a.m.
| Environment | |
|---|---|
| qemu-arm64 | |
| qemu-x86_64 |
[ 26.679905] ================================================================== [ 26.681051] BUG: KASAN: slab-out-of-bounds in kmalloc_oob_memset_8+0x150/0x2f8 [ 26.681144] Write of size 8 at addr fff00000c7895071 by task kunit_try_catch/188 [ 26.681578] [ 26.681676] CPU: 1 UID: 0 PID: 188 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc3-next-20250625 #1 PREEMPT [ 26.682000] Tainted: [B]=BAD_PAGE, [N]=TEST [ 26.682287] Hardware name: linux,dummy-virt (DT) [ 26.682571] Call trace: [ 26.682655] show_stack+0x20/0x38 (C) [ 26.682795] dump_stack_lvl+0x8c/0xd0 [ 26.682919] print_report+0x118/0x608 [ 26.683229] kasan_report+0xdc/0x128 [ 26.683545] kasan_check_range+0x100/0x1a8 [ 26.683964] __asan_memset+0x34/0x78 [ 26.684151] kmalloc_oob_memset_8+0x150/0x2f8 [ 26.684349] kunit_try_run_case+0x170/0x3f0 [ 26.684615] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 26.684819] kthread+0x328/0x630 [ 26.684861] ret_from_fork+0x10/0x20 [ 26.684911] [ 26.684929] Allocated by task 188: [ 26.685479] kasan_save_stack+0x3c/0x68 [ 26.685606] kasan_save_track+0x20/0x40 [ 26.685715] kasan_save_alloc_info+0x40/0x58 [ 26.685832] __kasan_kmalloc+0xd4/0xd8 [ 26.685896] __kmalloc_cache_noprof+0x16c/0x3c0 [ 26.686066] kmalloc_oob_memset_8+0xb0/0x2f8 [ 26.686506] kunit_try_run_case+0x170/0x3f0 [ 26.686618] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 26.686729] kthread+0x328/0x630 [ 26.686948] ret_from_fork+0x10/0x20 [ 26.687166] [ 26.687349] The buggy address belongs to the object at fff00000c7895000 [ 26.687349] which belongs to the cache kmalloc-128 of size 128 [ 26.687604] The buggy address is located 113 bytes inside of [ 26.687604] allocated 120-byte region [fff00000c7895000, fff00000c7895078) [ 26.687737] [ 26.687931] The buggy address belongs to the physical page: [ 26.688115] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x107895 [ 26.688168] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff) [ 26.688217] page_type: f5(slab) [ 26.688559] raw: 0bfffe0000000000 fff00000c0001a00 dead000000000122 0000000000000000 [ 26.688915] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000 [ 26.689075] page dumped because: kasan: bad access detected [ 26.689143] [ 26.689162] Memory state around the buggy address: [ 26.689563] fff00000c7894f00: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff [ 26.689632] fff00000c7894f80: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff [ 26.689921] >fff00000c7895000: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc [ 26.689973] ^ [ 26.690113] fff00000c7895080: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 26.690155] fff00000c7895100: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 26.690490] ==================================================================
[ 21.986696] ================================================================== [ 21.987248] BUG: KASAN: slab-out-of-bounds in kmalloc_oob_memset_8+0x166/0x330 [ 21.987617] Write of size 8 at addr ffff8881039c3671 by task kunit_try_catch/205 [ 21.987874] [ 21.987994] CPU: 1 UID: 0 PID: 205 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc3-next-20250625 #1 PREEMPT(voluntary) [ 21.988040] Tainted: [B]=BAD_PAGE, [N]=TEST [ 21.988052] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 21.988073] Call Trace: [ 21.988086] <TASK> [ 21.988101] dump_stack_lvl+0x73/0xb0 [ 21.988126] print_report+0xd1/0x650 [ 21.988153] ? __virt_addr_valid+0x1db/0x2d0 [ 21.988175] ? kmalloc_oob_memset_8+0x166/0x330 [ 21.988194] ? kasan_complete_mode_report_info+0x2a/0x200 [ 21.988218] ? kmalloc_oob_memset_8+0x166/0x330 [ 21.988237] kasan_report+0x141/0x180 [ 21.988257] ? kmalloc_oob_memset_8+0x166/0x330 [ 21.988281] kasan_check_range+0x10c/0x1c0 [ 21.988303] __asan_memset+0x27/0x50 [ 21.988324] kmalloc_oob_memset_8+0x166/0x330 [ 21.988349] ? __pfx_kmalloc_oob_memset_8+0x10/0x10 [ 21.988370] ? __schedule+0x10cc/0x2b60 [ 21.988393] ? __pfx_read_tsc+0x10/0x10 [ 21.988412] ? ktime_get_ts64+0x86/0x230 [ 21.988435] kunit_try_run_case+0x1a5/0x480 [ 21.988458] ? __pfx_kunit_try_run_case+0x10/0x10 [ 21.988479] ? _raw_spin_lock_irqsave+0xa1/0x100 [ 21.988500] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 21.988524] ? __kthread_parkme+0x82/0x180 [ 21.988543] ? preempt_count_sub+0x50/0x80 [ 21.988564] ? __pfx_kunit_try_run_case+0x10/0x10 [ 21.988586] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 21.988607] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 21.988628] kthread+0x337/0x6f0 [ 21.988646] ? trace_preempt_on+0x20/0xc0 [ 21.988666] ? __pfx_kthread+0x10/0x10 [ 21.988685] ? _raw_spin_unlock_irq+0x47/0x80 [ 21.988706] ? calculate_sigpending+0x7b/0xa0 [ 21.988728] ? __pfx_kthread+0x10/0x10 [ 21.988747] ret_from_fork+0x116/0x1d0 [ 21.988764] ? __pfx_kthread+0x10/0x10 [ 21.988782] ret_from_fork_asm+0x1a/0x30 [ 21.988811] </TASK> [ 21.988821] [ 21.998249] Allocated by task 205: [ 21.998646] kasan_save_stack+0x45/0x70 [ 21.998951] kasan_save_track+0x18/0x40 [ 21.999126] kasan_save_alloc_info+0x3b/0x50 [ 21.999426] __kasan_kmalloc+0xb7/0xc0 [ 22.000014] __kmalloc_cache_noprof+0x189/0x420 [ 22.000248] kmalloc_oob_memset_8+0xac/0x330 [ 22.000533] kunit_try_run_case+0x1a5/0x480 [ 22.000692] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 22.000930] kthread+0x337/0x6f0 [ 22.001340] ret_from_fork+0x116/0x1d0 [ 22.001590] ret_from_fork_asm+0x1a/0x30 [ 22.001769] [ 22.001901] The buggy address belongs to the object at ffff8881039c3600 [ 22.001901] which belongs to the cache kmalloc-128 of size 128 [ 22.002374] The buggy address is located 113 bytes inside of [ 22.002374] allocated 120-byte region [ffff8881039c3600, ffff8881039c3678) [ 22.002851] [ 22.003121] The buggy address belongs to the physical page: [ 22.003353] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1039c3 [ 22.003680] flags: 0x200000000000000(node=0|zone=2) [ 22.003947] page_type: f5(slab) [ 22.004087] raw: 0200000000000000 ffff888100041a00 dead000000000122 0000000000000000 [ 22.004383] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000 [ 22.005190] page dumped because: kasan: bad access detected [ 22.005458] [ 22.005531] Memory state around the buggy address: [ 22.005987] ffff8881039c3500: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 22.006405] ffff8881039c3580: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 22.006771] >ffff8881039c3600: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc [ 22.007304] ^ [ 22.007598] ffff8881039c3680: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 22.008325] ffff8881039c3700: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 22.008615] ==================================================================