Date
June 5, 2025, 7:08 a.m.
Environment | |
---|---|
qemu-arm64 | |
qemu-x86_64 |
[ 25.236037] ================================================================== [ 25.236480] BUG: KASAN: slab-out-of-bounds in kmalloc_oob_memset_4+0x150/0x300 [ 25.236644] Write of size 4 at addr fff00000c6419475 by task kunit_try_catch/174 [ 25.236848] [ 25.238001] CPU: 0 UID: 0 PID: 174 Comm: kunit_try_catch Tainted: G B N 6.15.0-next-20250605 #1 PREEMPT [ 25.238280] Tainted: [B]=BAD_PAGE, [N]=TEST [ 25.238428] Hardware name: linux,dummy-virt (DT) [ 25.238672] Call trace: [ 25.238732] show_stack+0x20/0x38 (C) [ 25.238848] dump_stack_lvl+0x8c/0xd0 [ 25.238961] print_report+0x118/0x608 [ 25.239110] kasan_report+0xdc/0x128 [ 25.239382] kasan_check_range+0x100/0x1a8 [ 25.239519] __asan_memset+0x34/0x78 [ 25.239648] kmalloc_oob_memset_4+0x150/0x300 [ 25.239868] kunit_try_run_case+0x170/0x3f0 [ 25.240867] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 25.241245] kthread+0x328/0x630 [ 25.243379] ret_from_fork+0x10/0x20 [ 25.243459] [ 25.243483] Allocated by task 174: [ 25.243518] kasan_save_stack+0x3c/0x68 [ 25.243615] kasan_save_track+0x20/0x40 [ 25.243671] kasan_save_alloc_info+0x40/0x58 [ 25.243723] __kasan_kmalloc+0xd4/0xd8 [ 25.243769] __kmalloc_cache_noprof+0x16c/0x3c0 [ 25.243821] kmalloc_oob_memset_4+0xb0/0x300 [ 25.243897] kunit_try_run_case+0x170/0x3f0 [ 25.243951] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 25.244008] kthread+0x328/0x630 [ 25.244048] ret_from_fork+0x10/0x20 [ 25.244093] [ 25.244118] The buggy address belongs to the object at fff00000c6419400 [ 25.244118] which belongs to the cache kmalloc-128 of size 128 [ 25.244188] The buggy address is located 117 bytes inside of [ 25.244188] allocated 120-byte region [fff00000c6419400, fff00000c6419478) [ 25.244263] [ 25.244287] The buggy address belongs to the physical page: [ 25.244324] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x106419 [ 25.244510] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff) [ 25.245008] page_type: f5(slab) [ 25.245110] raw: 0bfffe0000000000 fff00000c0001a00 dead000000000122 0000000000000000 [ 25.245593] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000 [ 25.245700] page dumped because: kasan: bad access detected [ 25.245775] [ 25.245817] Memory state around the buggy address: [ 25.245899] fff00000c6419300: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 25.246009] fff00000c6419380: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 25.246153] >fff00000c6419400: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc [ 25.246260] ^ [ 25.246576] fff00000c6419480: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 25.246745] fff00000c6419500: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 25.247002] ==================================================================
[ 11.487265] ================================================================== [ 11.487757] BUG: KASAN: slab-out-of-bounds in kmalloc_oob_memset_4+0x166/0x330 [ 11.488161] Write of size 4 at addr ffff888102b2d375 by task kunit_try_catch/191 [ 11.488459] [ 11.488571] CPU: 0 UID: 0 PID: 191 Comm: kunit_try_catch Tainted: G B N 6.15.0-next-20250605 #1 PREEMPT(voluntary) [ 11.488615] Tainted: [B]=BAD_PAGE, [N]=TEST [ 11.488626] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 11.488647] Call Trace: [ 11.488660] <TASK> [ 11.488675] dump_stack_lvl+0x73/0xb0 [ 11.488702] print_report+0xd1/0x650 [ 11.488724] ? __virt_addr_valid+0x1db/0x2d0 [ 11.488748] ? kmalloc_oob_memset_4+0x166/0x330 [ 11.488782] ? kasan_complete_mode_report_info+0x2a/0x200 [ 11.488804] ? kmalloc_oob_memset_4+0x166/0x330 [ 11.488826] kasan_report+0x141/0x180 [ 11.488847] ? kmalloc_oob_memset_4+0x166/0x330 [ 11.488873] kasan_check_range+0x10c/0x1c0 [ 11.488907] __asan_memset+0x27/0x50 [ 11.488927] kmalloc_oob_memset_4+0x166/0x330 [ 11.488993] ? __kasan_check_write+0x18/0x20 [ 11.489015] ? __pfx_kmalloc_oob_memset_4+0x10/0x10 [ 11.489036] ? sysvec_apic_timer_interrupt+0x50/0x90 [ 11.489067] ? trace_hardirqs_on+0x37/0xe0 [ 11.489090] ? __pfx_read_tsc+0x10/0x10 [ 11.489112] ? ktime_get_ts64+0x86/0x230 [ 11.489135] kunit_try_run_case+0x1a5/0x480 [ 11.489157] ? __pfx_kunit_try_run_case+0x10/0x10 [ 11.489178] ? queued_spin_lock_slowpath+0x116/0xb40 [ 11.489203] ? __kthread_parkme+0x82/0x180 [ 11.489223] ? preempt_count_sub+0x50/0x80 [ 11.489246] ? __pfx_kunit_try_run_case+0x10/0x10 [ 11.489267] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 11.489292] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 11.489315] kthread+0x337/0x6f0 [ 11.489334] ? trace_preempt_on+0x20/0xc0 [ 11.489355] ? __pfx_kthread+0x10/0x10 [ 11.489375] ? _raw_spin_unlock_irq+0x47/0x80 [ 11.489397] ? calculate_sigpending+0x7b/0xa0 [ 11.489420] ? __pfx_kthread+0x10/0x10 [ 11.489440] ret_from_fork+0x116/0x1d0 [ 11.489458] ? __pfx_kthread+0x10/0x10 [ 11.489478] ret_from_fork_asm+0x1a/0x30 [ 11.489508] </TASK> [ 11.489519] [ 11.497306] Allocated by task 191: [ 11.497441] kasan_save_stack+0x45/0x70 [ 11.497587] kasan_save_track+0x18/0x40 [ 11.497723] kasan_save_alloc_info+0x3b/0x50 [ 11.497965] __kasan_kmalloc+0xb7/0xc0 [ 11.498155] __kmalloc_cache_noprof+0x189/0x420 [ 11.498377] kmalloc_oob_memset_4+0xac/0x330 [ 11.498596] kunit_try_run_case+0x1a5/0x480 [ 11.498819] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 11.499433] kthread+0x337/0x6f0 [ 11.499610] ret_from_fork+0x116/0x1d0 [ 11.499810] ret_from_fork_asm+0x1a/0x30 [ 11.500068] [ 11.500164] The buggy address belongs to the object at ffff888102b2d300 [ 11.500164] which belongs to the cache kmalloc-128 of size 128 [ 11.500677] The buggy address is located 117 bytes inside of [ 11.500677] allocated 120-byte region [ffff888102b2d300, ffff888102b2d378) [ 11.501205] [ 11.501304] The buggy address belongs to the physical page: [ 11.501565] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x102b2d [ 11.501866] flags: 0x200000000000000(node=0|zone=2) [ 11.502040] page_type: f5(slab) [ 11.502162] raw: 0200000000000000 ffff888100041a00 dead000000000122 0000000000000000 [ 11.502392] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000 [ 11.502723] page dumped because: kasan: bad access detected [ 11.503327] [ 11.503436] Memory state around the buggy address: [ 11.503680] ffff888102b2d200: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 11.503917] ffff888102b2d280: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 11.504523] >ffff888102b2d300: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc [ 11.504800] ^ [ 11.505180] ffff888102b2d380: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 11.505638] ffff888102b2d400: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 11.505922] ==================================================================