Date
June 7, 2025, 10:40 a.m.
| Environment | |
|---|---|
| qemu-arm64 | |
| qemu-x86_64 |
[ 22.860353] ================================================================== [ 22.861613] BUG: KASAN: slab-out-of-bounds in kmalloc_oob_memset_8+0x150/0x2f8 [ 22.862274] Write of size 8 at addr fff00000c6414071 by task kunit_try_catch/165 [ 22.862930] [ 22.863314] CPU: 1 UID: 0 PID: 165 Comm: kunit_try_catch Tainted: G B N 6.14.11-rc1 #1 [ 22.863521] Tainted: [B]=BAD_PAGE, [N]=TEST [ 22.863601] Hardware name: linux,dummy-virt (DT) [ 22.863687] Call trace: [ 22.863754] show_stack+0x20/0x38 (C) [ 22.863910] dump_stack_lvl+0x8c/0xd0 [ 22.864039] print_report+0x118/0x608 [ 22.864103] kasan_report+0xdc/0x128 [ 22.864158] kasan_check_range+0x100/0x1a8 [ 22.864279] __asan_memset+0x34/0x78 [ 22.864405] kmalloc_oob_memset_8+0x150/0x2f8 [ 22.864550] kunit_try_run_case+0x170/0x3f0 [ 22.864689] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 22.864831] kthread+0x318/0x620 [ 22.864981] ret_from_fork+0x10/0x20 [ 22.865110] [ 22.871676] Allocated by task 165: [ 22.872198] kasan_save_stack+0x3c/0x68 [ 22.872741] kasan_save_track+0x20/0x40 [ 22.873270] kasan_save_alloc_info+0x40/0x58 [ 22.874622] __kasan_kmalloc+0xd4/0xd8 [ 22.875114] __kmalloc_cache_noprof+0x16c/0x3c0 [ 22.875685] kmalloc_oob_memset_8+0xb0/0x2f8 [ 22.876249] kunit_try_run_case+0x170/0x3f0 [ 22.876821] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 22.878069] kthread+0x318/0x620 [ 22.878498] ret_from_fork+0x10/0x20 [ 22.879032] [ 22.879328] The buggy address belongs to the object at fff00000c6414000 [ 22.879328] which belongs to the cache kmalloc-128 of size 128 [ 22.880308] The buggy address is located 113 bytes inside of [ 22.880308] allocated 120-byte region [fff00000c6414000, fff00000c6414078) [ 22.881943] [ 22.882302] The buggy address belongs to the physical page: [ 22.882835] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x106414 [ 22.883670] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff) [ 22.884383] page_type: f5(slab) [ 22.884865] raw: 0bfffe0000000000 fff00000c0001a00 dead000000000122 0000000000000000 [ 22.885959] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000 [ 22.887148] page dumped because: kasan: bad access detected [ 22.887685] [ 22.888009] Memory state around the buggy address: [ 22.888569] fff00000c6413f00: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff [ 22.889853] fff00000c6413f80: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff [ 22.890556] >fff00000c6414000: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc [ 22.891231] ^ [ 22.892405] fff00000c6414080: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 22.893014] fff00000c6414100: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 22.893937] ==================================================================
[ 17.749252] ================================================================== [ 17.750008] BUG: KASAN: slab-out-of-bounds in kmalloc_oob_memset_8+0x167/0x330 [ 17.750524] Write of size 8 at addr ffff8881024bfd71 by task kunit_try_catch/184 [ 17.751205] [ 17.751835] CPU: 0 UID: 0 PID: 184 Comm: kunit_try_catch Tainted: G B N 6.14.11-rc1 #1 [ 17.752134] Tainted: [B]=BAD_PAGE, [N]=TEST [ 17.752172] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 17.752220] Call Trace: [ 17.752261] <TASK> [ 17.752306] dump_stack_lvl+0x73/0xb0 [ 17.752395] print_report+0xd1/0x650 [ 17.752553] ? __virt_addr_valid+0x1db/0x2d0 [ 17.752637] ? kmalloc_oob_memset_8+0x167/0x330 [ 17.752693] ? kasan_complete_mode_report_info+0x2a/0x200 [ 17.752758] ? kmalloc_oob_memset_8+0x167/0x330 [ 17.752814] kasan_report+0x140/0x180 [ 17.752891] ? kmalloc_oob_memset_8+0x167/0x330 [ 17.752961] kasan_check_range+0x10c/0x1c0 [ 17.753021] __asan_memset+0x27/0x50 [ 17.753066] kmalloc_oob_memset_8+0x167/0x330 [ 17.753096] ? __pfx_kmalloc_oob_memset_8+0x10/0x10 [ 17.753124] ? __schedule+0xce8/0x2840 [ 17.753157] ? __pfx_read_tsc+0x10/0x10 [ 17.753185] ? ktime_get_ts64+0x86/0x230 [ 17.753219] kunit_try_run_case+0x1a6/0x480 [ 17.753250] ? __pfx_kunit_try_run_case+0x10/0x10 [ 17.753278] ? _raw_spin_lock_irqsave+0xa2/0x110 [ 17.753308] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 17.753351] ? __kthread_parkme+0x82/0x160 [ 17.753382] ? preempt_count_sub+0x50/0x80 [ 17.753413] ? __pfx_kunit_try_run_case+0x10/0x10 [ 17.753457] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 17.753511] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 17.753555] kthread+0x324/0x6e0 [ 17.753584] ? trace_preempt_on+0x20/0xc0 [ 17.753617] ? __pfx_kthread+0x10/0x10 [ 17.753644] ? _raw_spin_unlock_irq+0x47/0x80 [ 17.753672] ? calculate_sigpending+0x7b/0xa0 [ 17.753700] ? __pfx_kthread+0x10/0x10 [ 17.753727] ret_from_fork+0x41/0x80 [ 17.753752] ? __pfx_kthread+0x10/0x10 [ 17.753779] ret_from_fork_asm+0x1a/0x30 [ 17.753819] </TASK> [ 17.753834] [ 17.768414] Allocated by task 184: [ 17.768933] kasan_save_stack+0x45/0x70 [ 17.769519] kasan_save_track+0x18/0x40 [ 17.770136] kasan_save_alloc_info+0x3b/0x50 [ 17.770711] __kasan_kmalloc+0xb7/0xc0 [ 17.771172] __kmalloc_cache_noprof+0x18a/0x420 [ 17.771931] kmalloc_oob_memset_8+0xad/0x330 [ 17.772450] kunit_try_run_case+0x1a6/0x480 [ 17.772724] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 17.773242] kthread+0x324/0x6e0 [ 17.773951] ret_from_fork+0x41/0x80 [ 17.774141] ret_from_fork_asm+0x1a/0x30 [ 17.774285] [ 17.775097] The buggy address belongs to the object at ffff8881024bfd00 [ 17.775097] which belongs to the cache kmalloc-128 of size 128 [ 17.776334] The buggy address is located 113 bytes inside of [ 17.776334] allocated 120-byte region [ffff8881024bfd00, ffff8881024bfd78) [ 17.777109] [ 17.777741] The buggy address belongs to the physical page: [ 17.778237] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1024bf [ 17.779383] flags: 0x200000000000000(node=0|zone=2) [ 17.779854] page_type: f5(slab) [ 17.780173] raw: 0200000000000000 ffff888100041a00 dead000000000122 0000000000000000 [ 17.781201] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000 [ 17.782159] page dumped because: kasan: bad access detected [ 17.782516] [ 17.783039] Memory state around the buggy address: [ 17.783829] ffff8881024bfc00: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 17.784268] ffff8881024bfc80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 17.785101] >ffff8881024bfd00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc [ 17.785369] ^ [ 17.786098] ffff8881024bfd80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 17.786650] ffff8881024bfe00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 17.787147] ==================================================================