Date
June 24, 2025, 12:47 p.m.
| Environment | |
|---|---|
| qemu-arm64 | |
| qemu-x86_64 |
[ 23.843246] ================================================================== [ 23.843370] BUG: KASAN: slab-out-of-bounds in kmalloc_oob_in_memset+0x144/0x2d0 [ 23.843524] Write of size 128 at addr fff00000c3fb3f00 by task kunit_try_catch/172 [ 23.843642] [ 23.843720] CPU: 0 UID: 0 PID: 172 Comm: kunit_try_catch Tainted: G B N 6.15.4-rc2 #1 PREEMPT [ 23.843913] Tainted: [B]=BAD_PAGE, [N]=TEST [ 23.843976] Hardware name: linux,dummy-virt (DT) [ 23.844047] Call trace: [ 23.844098] show_stack+0x20/0x38 (C) [ 23.844213] dump_stack_lvl+0x8c/0xd0 [ 23.844329] print_report+0x118/0x608 [ 23.846148] kasan_report+0xdc/0x128 [ 23.846906] kasan_check_range+0x100/0x1a8 [ 23.847097] __asan_memset+0x34/0x78 [ 23.847342] kmalloc_oob_in_memset+0x144/0x2d0 [ 23.848145] kunit_try_run_case+0x170/0x3f0 [ 23.848294] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 23.848733] kthread+0x328/0x630 [ 23.848879] ret_from_fork+0x10/0x20 [ 23.849056] [ 23.849107] Allocated by task 172: [ 23.849475] kasan_save_stack+0x3c/0x68 [ 23.850513] kasan_save_track+0x20/0x40 [ 23.850738] kasan_save_alloc_info+0x40/0x58 [ 23.851090] __kasan_kmalloc+0xd4/0xd8 [ 23.851794] __kmalloc_cache_noprof+0x16c/0x3c0 [ 23.852730] kmalloc_oob_in_memset+0xb0/0x2d0 [ 23.852847] kunit_try_run_case+0x170/0x3f0 [ 23.853256] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 23.853514] kthread+0x328/0x630 [ 23.853882] ret_from_fork+0x10/0x20 [ 23.854211] [ 23.854351] The buggy address belongs to the object at fff00000c3fb3f00 [ 23.854351] which belongs to the cache kmalloc-128 of size 128 [ 23.854735] The buggy address is located 0 bytes inside of [ 23.854735] allocated 120-byte region [fff00000c3fb3f00, fff00000c3fb3f78) [ 23.855225] [ 23.855323] The buggy address belongs to the physical page: [ 23.855419] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x103fb3 [ 23.855545] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff) [ 23.856020] page_type: f5(slab) [ 23.856282] raw: 0bfffe0000000000 fff00000c0001a00 dead000000000122 0000000000000000 [ 23.857094] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000 [ 23.857738] page dumped because: kasan: bad access detected [ 23.857829] [ 23.858219] Memory state around the buggy address: [ 23.858302] fff00000c3fb3e00: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 23.859363] fff00000c3fb3e80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 23.859489] >fff00000c3fb3f00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc [ 23.859967] ^ [ 23.860078] fff00000c3fb3f80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 23.860616] fff00000c3fb4000: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 23.860716] ==================================================================
[ 11.771581] ================================================================== [ 11.772124] BUG: KASAN: slab-out-of-bounds in kmalloc_oob_in_memset+0x15f/0x320 [ 11.772755] Write of size 128 at addr ffff8881029da100 by task kunit_try_catch/190 [ 11.773958] [ 11.774351] CPU: 1 UID: 0 PID: 190 Comm: kunit_try_catch Tainted: G B N 6.15.4-rc2 #1 PREEMPT(voluntary) [ 11.774420] Tainted: [B]=BAD_PAGE, [N]=TEST [ 11.774433] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 11.774458] Call Trace: [ 11.774475] <TASK> [ 11.774501] dump_stack_lvl+0x73/0xb0 [ 11.774544] print_report+0xd1/0x650 [ 11.774744] ? __virt_addr_valid+0x1db/0x2d0 [ 11.774825] ? kmalloc_oob_in_memset+0x15f/0x320 [ 11.774866] ? kasan_complete_mode_report_info+0x2a/0x200 [ 11.774916] ? kmalloc_oob_in_memset+0x15f/0x320 [ 11.774955] kasan_report+0x141/0x180 [ 11.774996] ? kmalloc_oob_in_memset+0x15f/0x320 [ 11.775046] kasan_check_range+0x10c/0x1c0 [ 11.775079] __asan_memset+0x27/0x50 [ 11.775107] kmalloc_oob_in_memset+0x15f/0x320 [ 11.775129] ? __pfx_kmalloc_oob_in_memset+0x10/0x10 [ 11.775152] ? __pfx_kmalloc_oob_in_memset+0x10/0x10 [ 11.775178] kunit_try_run_case+0x1a5/0x480 [ 11.775204] ? __pfx_kunit_try_run_case+0x10/0x10 [ 11.775224] ? _raw_spin_lock_irqsave+0xa1/0x100 [ 11.775248] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 11.775269] ? __kthread_parkme+0x82/0x180 [ 11.775588] ? preempt_count_sub+0x50/0x80 [ 11.775669] ? __pfx_kunit_try_run_case+0x10/0x10 [ 11.775694] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 11.775718] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 11.775739] kthread+0x337/0x6f0 [ 11.775756] ? trace_preempt_on+0x20/0xc0 [ 11.775780] ? __pfx_kthread+0x10/0x10 [ 11.775797] ? _raw_spin_unlock_irq+0x47/0x80 [ 11.775817] ? calculate_sigpending+0x7b/0xa0 [ 11.775838] ? __pfx_kthread+0x10/0x10 [ 11.775855] ret_from_fork+0x41/0x80 [ 11.775875] ? __pfx_kthread+0x10/0x10 [ 11.775892] ret_from_fork_asm+0x1a/0x30 [ 11.775921] </TASK> [ 11.775935] [ 11.786836] Allocated by task 190: [ 11.787220] kasan_save_stack+0x45/0x70 [ 11.787721] kasan_save_track+0x18/0x40 [ 11.787959] kasan_save_alloc_info+0x3b/0x50 [ 11.788287] __kasan_kmalloc+0xb7/0xc0 [ 11.789092] __kmalloc_cache_noprof+0x189/0x420 [ 11.789366] kmalloc_oob_in_memset+0xac/0x320 [ 11.789596] kunit_try_run_case+0x1a5/0x480 [ 11.789796] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 11.790100] kthread+0x337/0x6f0 [ 11.790560] ret_from_fork+0x41/0x80 [ 11.790897] ret_from_fork_asm+0x1a/0x30 [ 11.791209] [ 11.791311] The buggy address belongs to the object at ffff8881029da100 [ 11.791311] which belongs to the cache kmalloc-128 of size 128 [ 11.791769] The buggy address is located 0 bytes inside of [ 11.791769] allocated 120-byte region [ffff8881029da100, ffff8881029da178) [ 11.792689] [ 11.792898] The buggy address belongs to the physical page: [ 11.793253] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1029da [ 11.794254] flags: 0x200000000000000(node=0|zone=2) [ 11.794569] page_type: f5(slab) [ 11.794825] raw: 0200000000000000 ffff888100041a00 dead000000000122 0000000000000000 [ 11.795256] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000 [ 11.795784] page dumped because: kasan: bad access detected [ 11.796095] [ 11.796197] Memory state around the buggy address: [ 11.796671] ffff8881029da000: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 11.797017] ffff8881029da080: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 11.797357] >ffff8881029da100: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc [ 11.798297] ^ [ 11.798595] ffff8881029da180: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 11.799122] ffff8881029da200: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 11.799797] ==================================================================