Date
June 5, 2025, 7:08 a.m.
| Environment | |
|---|---|
| qemu-arm64 | |
| qemu-x86_64 |
[ 25.121370] ================================================================== [ 25.121519] BUG: KASAN: slab-out-of-bounds in kmalloc_oob_16+0x3a0/0x3f8 [ 25.121695] Write of size 16 at addr fff00000c3fa5860 by task kunit_try_catch/166 [ 25.121828] [ 25.121909] CPU: 0 UID: 0 PID: 166 Comm: kunit_try_catch Tainted: G B N 6.15.0-next-20250605 #1 PREEMPT [ 25.122107] Tainted: [B]=BAD_PAGE, [N]=TEST [ 25.122187] Hardware name: linux,dummy-virt (DT) [ 25.122408] Call trace: [ 25.122609] show_stack+0x20/0x38 (C) [ 25.122840] dump_stack_lvl+0x8c/0xd0 [ 25.122965] print_report+0x118/0x608 [ 25.123101] kasan_report+0xdc/0x128 [ 25.123285] __asan_report_store16_noabort+0x20/0x30 [ 25.123488] kmalloc_oob_16+0x3a0/0x3f8 [ 25.123611] kunit_try_run_case+0x170/0x3f0 [ 25.123738] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 25.123886] kthread+0x328/0x630 [ 25.124176] ret_from_fork+0x10/0x20 [ 25.124394] [ 25.124467] Allocated by task 166: [ 25.124577] kasan_save_stack+0x3c/0x68 [ 25.124697] kasan_save_track+0x20/0x40 [ 25.124878] kasan_save_alloc_info+0x40/0x58 [ 25.125042] __kasan_kmalloc+0xd4/0xd8 [ 25.125224] __kmalloc_cache_noprof+0x16c/0x3c0 [ 25.125466] kmalloc_oob_16+0xb4/0x3f8 [ 25.125628] kunit_try_run_case+0x170/0x3f0 [ 25.125890] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 25.126174] kthread+0x328/0x630 [ 25.126261] ret_from_fork+0x10/0x20 [ 25.126400] [ 25.126538] The buggy address belongs to the object at fff00000c3fa5860 [ 25.126538] which belongs to the cache kmalloc-16 of size 16 [ 25.126723] The buggy address is located 0 bytes inside of [ 25.126723] allocated 13-byte region [fff00000c3fa5860, fff00000c3fa586d) [ 25.126966] [ 25.127077] The buggy address belongs to the physical page: [ 25.127179] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x103fa5 [ 25.127881] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff) [ 25.128100] page_type: f5(slab) [ 25.128198] raw: 0bfffe0000000000 fff00000c0001640 dead000000000122 0000000000000000 [ 25.129152] raw: 0000000000000000 0000000080800080 00000000f5000000 0000000000000000 [ 25.129261] page dumped because: kasan: bad access detected [ 25.129360] [ 25.129465] Memory state around the buggy address: [ 25.129559] fff00000c3fa5700: 00 05 fc fc 00 00 fc fc fa fb fc fc fa fb fc fc [ 25.129645] fff00000c3fa5780: fa fb fc fc fa fb fc fc fa fb fc fc 00 02 fc fc [ 25.129729] >fff00000c3fa5800: 00 02 fc fc fa fb fc fc fa fb fc fc 00 05 fc fc [ 25.129782] ^ [ 25.129831] fff00000c3fa5880: 00 00 fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 25.129883] fff00000c3fa5900: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 25.129928] ==================================================================
[ 11.387040] ================================================================== [ 11.387504] BUG: KASAN: slab-out-of-bounds in kmalloc_oob_16+0x452/0x4a0 [ 11.387831] Write of size 16 at addr ffff888102ae90e0 by task kunit_try_catch/183 [ 11.388152] [ 11.388267] CPU: 0 UID: 0 PID: 183 Comm: kunit_try_catch Tainted: G B N 6.15.0-next-20250605 #1 PREEMPT(voluntary) [ 11.388313] Tainted: [B]=BAD_PAGE, [N]=TEST [ 11.388324] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 11.388345] Call Trace: [ 11.388356] <TASK> [ 11.388371] dump_stack_lvl+0x73/0xb0 [ 11.388398] print_report+0xd1/0x650 [ 11.388419] ? __virt_addr_valid+0x1db/0x2d0 [ 11.388443] ? kmalloc_oob_16+0x452/0x4a0 [ 11.388463] ? kasan_complete_mode_report_info+0x2a/0x200 [ 11.388485] ? kmalloc_oob_16+0x452/0x4a0 [ 11.388505] kasan_report+0x141/0x180 [ 11.388526] ? kmalloc_oob_16+0x452/0x4a0 [ 11.388551] __asan_report_store16_noabort+0x1b/0x30 [ 11.388572] kmalloc_oob_16+0x452/0x4a0 [ 11.388593] ? __pfx_kmalloc_oob_16+0x10/0x10 [ 11.388614] ? __schedule+0x10cc/0x2b60 [ 11.388637] ? __pfx_read_tsc+0x10/0x10 [ 11.388658] ? ktime_get_ts64+0x86/0x230 [ 11.388682] kunit_try_run_case+0x1a5/0x480 [ 11.388703] ? __pfx_kunit_try_run_case+0x10/0x10 [ 11.388721] ? _raw_spin_lock_irqsave+0xa1/0x100 [ 11.388746] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 11.388769] ? __kthread_parkme+0x82/0x180 [ 11.388790] ? preempt_count_sub+0x50/0x80 [ 11.388813] ? __pfx_kunit_try_run_case+0x10/0x10 [ 11.388834] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 11.389215] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 11.389249] kthread+0x337/0x6f0 [ 11.389269] ? trace_preempt_on+0x20/0xc0 [ 11.389293] ? __pfx_kthread+0x10/0x10 [ 11.389312] ? _raw_spin_unlock_irq+0x47/0x80 [ 11.389335] ? calculate_sigpending+0x7b/0xa0 [ 11.389360] ? __pfx_kthread+0x10/0x10 [ 11.389381] ret_from_fork+0x116/0x1d0 [ 11.389399] ? __pfx_kthread+0x10/0x10 [ 11.389418] ret_from_fork_asm+0x1a/0x30 [ 11.389448] </TASK> [ 11.389459] [ 11.397052] Allocated by task 183: [ 11.397221] kasan_save_stack+0x45/0x70 [ 11.397398] kasan_save_track+0x18/0x40 [ 11.397575] kasan_save_alloc_info+0x3b/0x50 [ 11.397855] __kasan_kmalloc+0xb7/0xc0 [ 11.398001] __kmalloc_cache_noprof+0x189/0x420 [ 11.398159] kmalloc_oob_16+0xa8/0x4a0 [ 11.398364] kunit_try_run_case+0x1a5/0x480 [ 11.398627] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 11.399030] kthread+0x337/0x6f0 [ 11.399155] ret_from_fork+0x116/0x1d0 [ 11.399285] ret_from_fork_asm+0x1a/0x30 [ 11.400819] [ 11.401839] The buggy address belongs to the object at ffff888102ae90e0 [ 11.401839] which belongs to the cache kmalloc-16 of size 16 [ 11.404789] The buggy address is located 0 bytes inside of [ 11.404789] allocated 13-byte region [ffff888102ae90e0, ffff888102ae90ed) [ 11.406784] [ 11.406871] The buggy address belongs to the physical page: [ 11.407063] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x102ae9 [ 11.408757] flags: 0x200000000000000(node=0|zone=2) [ 11.409131] page_type: f5(slab) [ 11.409837] raw: 0200000000000000 ffff888100041640 dead000000000122 0000000000000000 [ 11.410938] raw: 0000000000000000 0000000080800080 00000000f5000000 0000000000000000 [ 11.411528] page dumped because: kasan: bad access detected [ 11.412243] [ 11.412398] Memory state around the buggy address: [ 11.413083] ffff888102ae8f80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 11.413726] ffff888102ae9000: 00 02 fc fc 00 02 fc fc fa fb fc fc fa fb fc fc [ 11.413973] >ffff888102ae9080: fa fb fc fc 00 05 fc fc fa fb fc fc 00 05 fc fc [ 11.414189] ^ [ 11.414390] ffff888102ae9100: 00 00 fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 11.414610] ffff888102ae9180: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 11.414825] ==================================================================