Date
July 1, 2025, 11:08 a.m.
| Environment | |
|---|---|
| qemu-arm64 | |
| qemu-x86_64 |
[ 18.434427] ================================================================== [ 18.434536] BUG: KASAN: slab-out-of-bounds in kmalloc_oob_memset_8+0x150/0x2f8 [ 18.434658] Write of size 8 at addr fff00000c7732371 by task kunit_try_catch/177 [ 18.434715] [ 18.434826] CPU: 1 UID: 0 PID: 177 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc4 #1 PREEMPT [ 18.434919] Tainted: [B]=BAD_PAGE, [N]=TEST [ 18.434947] Hardware name: linux,dummy-virt (DT) [ 18.434982] Call trace: [ 18.435006] show_stack+0x20/0x38 (C) [ 18.435115] dump_stack_lvl+0x8c/0xd0 [ 18.435385] print_report+0x118/0x608 [ 18.435436] kasan_report+0xdc/0x128 [ 18.435484] kasan_check_range+0x100/0x1a8 [ 18.435533] __asan_memset+0x34/0x78 [ 18.435613] kmalloc_oob_memset_8+0x150/0x2f8 [ 18.435690] kunit_try_run_case+0x170/0x3f0 [ 18.435751] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 18.435807] kthread+0x328/0x630 [ 18.435890] ret_from_fork+0x10/0x20 [ 18.435945] [ 18.435965] Allocated by task 177: [ 18.436004] kasan_save_stack+0x3c/0x68 [ 18.436049] kasan_save_track+0x20/0x40 [ 18.436089] kasan_save_alloc_info+0x40/0x58 [ 18.436143] __kasan_kmalloc+0xd4/0xd8 [ 18.436181] __kmalloc_cache_noprof+0x16c/0x3c0 [ 18.436223] kmalloc_oob_memset_8+0xb0/0x2f8 [ 18.436261] kunit_try_run_case+0x170/0x3f0 [ 18.436301] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 18.436347] kthread+0x328/0x630 [ 18.436382] ret_from_fork+0x10/0x20 [ 18.436420] [ 18.436441] The buggy address belongs to the object at fff00000c7732300 [ 18.436441] which belongs to the cache kmalloc-128 of size 128 [ 18.436504] The buggy address is located 113 bytes inside of [ 18.436504] allocated 120-byte region [fff00000c7732300, fff00000c7732378) [ 18.436571] [ 18.436609] The buggy address belongs to the physical page: [ 18.436644] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x107732 [ 18.436705] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff) [ 18.436761] page_type: f5(slab) [ 18.436835] raw: 0bfffe0000000000 fff00000c0001a00 dead000000000122 0000000000000000 [ 18.436907] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000 [ 18.436957] page dumped because: kasan: bad access detected [ 18.436992] [ 18.437012] Memory state around the buggy address: [ 18.437048] fff00000c7732200: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 18.437095] fff00000c7732280: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 18.437775] >fff00000c7732300: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc [ 18.437955] ^ [ 18.438047] fff00000c7732380: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 18.438115] fff00000c7732400: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 18.438220] ==================================================================
[ 11.647081] ================================================================== [ 11.647750] BUG: KASAN: slab-out-of-bounds in kmalloc_oob_memset_8+0x166/0x330 [ 11.648210] Write of size 8 at addr ffff88810258d171 by task kunit_try_catch/193 [ 11.648537] [ 11.648709] CPU: 0 UID: 0 PID: 193 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc4 #1 PREEMPT(voluntary) [ 11.648756] Tainted: [B]=BAD_PAGE, [N]=TEST [ 11.648768] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 11.648789] Call Trace: [ 11.648803] <TASK> [ 11.648822] dump_stack_lvl+0x73/0xb0 [ 11.648854] print_report+0xd1/0x650 [ 11.648878] ? __virt_addr_valid+0x1db/0x2d0 [ 11.648902] ? kmalloc_oob_memset_8+0x166/0x330 [ 11.648923] ? kasan_complete_mode_report_info+0x2a/0x200 [ 11.648944] ? kmalloc_oob_memset_8+0x166/0x330 [ 11.648965] kasan_report+0x141/0x180 [ 11.648995] ? kmalloc_oob_memset_8+0x166/0x330 [ 11.649020] kasan_check_range+0x10c/0x1c0 [ 11.649043] __asan_memset+0x27/0x50 [ 11.649062] kmalloc_oob_memset_8+0x166/0x330 [ 11.649084] ? __pfx_kmalloc_oob_memset_8+0x10/0x10 [ 11.649106] ? __schedule+0x10cc/0x2b60 [ 11.649128] ? __pfx_read_tsc+0x10/0x10 [ 11.649153] ? ktime_get_ts64+0x86/0x230 [ 11.649180] kunit_try_run_case+0x1a5/0x480 [ 11.649207] ? __pfx_kunit_try_run_case+0x10/0x10 [ 11.649229] ? _raw_spin_lock_irqsave+0xa1/0x100 [ 11.649253] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 11.649275] ? __kthread_parkme+0x82/0x180 [ 11.649297] ? preempt_count_sub+0x50/0x80 [ 11.649321] ? __pfx_kunit_try_run_case+0x10/0x10 [ 11.649344] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 11.649366] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 11.649400] kthread+0x337/0x6f0 [ 11.649419] ? trace_preempt_on+0x20/0xc0 [ 11.649444] ? __pfx_kthread+0x10/0x10 [ 11.649463] ? _raw_spin_unlock_irq+0x47/0x80 [ 11.649483] ? calculate_sigpending+0x7b/0xa0 [ 11.649507] ? __pfx_kthread+0x10/0x10 [ 11.649527] ret_from_fork+0x116/0x1d0 [ 11.649545] ? __pfx_kthread+0x10/0x10 [ 11.649565] ret_from_fork_asm+0x1a/0x30 [ 11.649595] </TASK> [ 11.649607] [ 11.657435] Allocated by task 193: [ 11.657596] kasan_save_stack+0x45/0x70 [ 11.657819] kasan_save_track+0x18/0x40 [ 11.658137] kasan_save_alloc_info+0x3b/0x50 [ 11.658345] __kasan_kmalloc+0xb7/0xc0 [ 11.658522] __kmalloc_cache_noprof+0x189/0x420 [ 11.658737] kmalloc_oob_memset_8+0xac/0x330 [ 11.658885] kunit_try_run_case+0x1a5/0x480 [ 11.659032] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 11.659286] kthread+0x337/0x6f0 [ 11.659580] ret_from_fork+0x116/0x1d0 [ 11.659838] ret_from_fork_asm+0x1a/0x30 [ 11.660356] [ 11.660480] The buggy address belongs to the object at ffff88810258d100 [ 11.660480] which belongs to the cache kmalloc-128 of size 128 [ 11.661225] The buggy address is located 113 bytes inside of [ 11.661225] allocated 120-byte region [ffff88810258d100, ffff88810258d178) [ 11.661826] [ 11.661907] The buggy address belongs to the physical page: [ 11.662139] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x10258d [ 11.662395] flags: 0x200000000000000(node=0|zone=2) [ 11.662636] page_type: f5(slab) [ 11.662879] raw: 0200000000000000 ffff888100041a00 dead000000000122 0000000000000000 [ 11.663259] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000 [ 11.663534] page dumped because: kasan: bad access detected [ 11.663705] [ 11.663811] Memory state around the buggy address: [ 11.664040] ffff88810258d000: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 11.664520] ffff88810258d080: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 11.664872] >ffff88810258d100: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc [ 11.665392] ^ [ 11.665866] ffff88810258d180: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 11.666083] ffff88810258d200: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 11.666596] ==================================================================