Date
June 23, 2025, 7:07 a.m.
| Environment | |
|---|---|
| qemu-arm64 | |
| qemu-x86_64 |
[ 32.174446] ================================================================== [ 32.174674] BUG: KASAN: slab-out-of-bounds in kmalloc_oob_left+0x2ec/0x320 [ 32.174865] Read of size 1 at addr fff00000c56f127f by task kunit_try_catch/150 [ 32.175015] [ 32.175127] CPU: 1 UID: 0 PID: 150 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc3-next-20250623 #1 PREEMPT [ 32.175544] Tainted: [B]=BAD_PAGE, [N]=TEST [ 32.175965] Hardware name: linux,dummy-virt (DT) [ 32.176064] Call trace: [ 32.176594] show_stack+0x20/0x38 (C) [ 32.176950] dump_stack_lvl+0x8c/0xd0 [ 32.177535] print_report+0x118/0x608 [ 32.177659] kasan_report+0xdc/0x128 [ 32.178409] __asan_report_load1_noabort+0x20/0x30 [ 32.178916] kmalloc_oob_left+0x2ec/0x320 [ 32.179314] kunit_try_run_case+0x170/0x3f0 [ 32.179468] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 32.179999] kthread+0x328/0x630 [ 32.180240] ret_from_fork+0x10/0x20 [ 32.180383] [ 32.181004] Allocated by task 21: [ 32.181472] kasan_save_stack+0x3c/0x68 [ 32.181691] kasan_save_track+0x20/0x40 [ 32.182273] kasan_save_alloc_info+0x40/0x58 [ 32.182503] __kasan_kmalloc+0xd4/0xd8 [ 32.182778] __kmalloc_cache_node_noprof+0x178/0x3d0 [ 32.183415] build_sched_domains+0x32c/0x3768 [ 32.183529] partition_sched_domains+0x79c/0x1098 [ 32.183640] rebuild_sched_domains_locked+0x494/0xde0 [ 32.183754] cpuset_handle_hotplug+0xab0/0x1480 [ 32.184980] cpuset_update_active_cpus+0x18/0x30 [ 32.185098] sched_cpu_activate+0x2d0/0x388 [ 32.185642] cpuhp_invoke_callback+0x5b8/0x1620 [ 32.186330] cpuhp_thread_fun+0x230/0x5d8 [ 32.186485] smpboot_thread_fn+0x2e8/0x760 [ 32.186625] kthread+0x328/0x630 [ 32.186726] ret_from_fork+0x10/0x20 [ 32.187095] [ 32.187419] Freed by task 21: [ 32.187529] kasan_save_stack+0x3c/0x68 [ 32.187630] kasan_save_track+0x20/0x40 [ 32.187719] kasan_save_free_info+0x4c/0x78 [ 32.187805] __kasan_slab_free+0x6c/0x98 [ 32.187996] kfree+0x214/0x3c8 [ 32.188099] build_sched_domains+0x1c64/0x3768 [ 32.188194] partition_sched_domains+0x79c/0x1098 [ 32.188322] rebuild_sched_domains_locked+0x494/0xde0 [ 32.188458] cpuset_handle_hotplug+0xab0/0x1480 [ 32.188554] cpuset_update_active_cpus+0x18/0x30 [ 32.188643] sched_cpu_activate+0x2d0/0x388 [ 32.188732] cpuhp_invoke_callback+0x5b8/0x1620 [ 32.188835] cpuhp_thread_fun+0x230/0x5d8 [ 32.188922] smpboot_thread_fn+0x2e8/0x760 [ 32.189016] kthread+0x328/0x630 [ 32.189743] ret_from_fork+0x10/0x20 [ 32.190729] [ 32.190776] The buggy address belongs to the object at fff00000c56f1260 [ 32.190776] which belongs to the cache kmalloc-16 of size 16 [ 32.190870] The buggy address is located 15 bytes to the right of [ 32.190870] allocated 16-byte region [fff00000c56f1260, fff00000c56f1270) [ 32.191252] [ 32.191422] The buggy address belongs to the physical page: [ 32.191496] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1056f1 [ 32.191623] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff) [ 32.191740] page_type: f5(slab) [ 32.191830] raw: 0bfffe0000000000 fff00000c0001640 dead000000000100 dead000000000122 [ 32.191945] raw: 0000000000000000 0000000080800080 00000000f5000000 0000000000000000 [ 32.192057] page dumped because: kasan: bad access detected [ 32.192127] [ 32.192170] Memory state around the buggy address: [ 32.192243] fff00000c56f1100: 00 06 fc fc 00 06 fc fc 00 00 fc fc fa fb fc fc [ 32.192343] fff00000c56f1180: fa fb fc fc 00 00 fc fc fa fb fc fc fa fb fc fc [ 32.192489] >fff00000c56f1200: fa fb fc fc fa fb fc fc fa fb fc fc fa fb fc fc [ 32.192716] ^ [ 32.192815] fff00000c56f1280: 00 07 fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 32.192910] fff00000c56f1300: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 32.193005] ==================================================================
[ 21.020039] ================================================================== [ 21.020571] BUG: KASAN: slab-out-of-bounds in kmalloc_oob_left+0x361/0x3c0 [ 21.021090] Read of size 1 at addr ffff888101bb7f5f by task kunit_try_catch/167 [ 21.021541] [ 21.021645] CPU: 1 UID: 0 PID: 167 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc3-next-20250623 #1 PREEMPT(voluntary) [ 21.021691] Tainted: [B]=BAD_PAGE, [N]=TEST [ 21.021703] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 21.021720] Call Trace: [ 21.021734] <TASK> [ 21.021750] dump_stack_lvl+0x73/0xb0 [ 21.021778] print_report+0xd1/0x650 [ 21.021797] ? __virt_addr_valid+0x1db/0x2d0 [ 21.021815] ? kmalloc_oob_left+0x361/0x3c0 [ 21.021861] ? kasan_complete_mode_report_info+0x64/0x200 [ 21.021905] ? kmalloc_oob_left+0x361/0x3c0 [ 21.021939] kasan_report+0x141/0x180 [ 21.021973] ? kmalloc_oob_left+0x361/0x3c0 [ 21.022177] __asan_report_load1_noabort+0x18/0x20 [ 21.022240] kmalloc_oob_left+0x361/0x3c0 [ 21.022415] ? __pfx_kmalloc_oob_left+0x10/0x10 [ 21.022470] ? __schedule+0x10cc/0x2b60 [ 21.022514] ? __pfx_read_tsc+0x10/0x10 [ 21.022565] ? ktime_get_ts64+0x86/0x230 [ 21.022616] kunit_try_run_case+0x1a5/0x480 [ 21.022664] ? __pfx_kunit_try_run_case+0x10/0x10 [ 21.022707] ? _raw_spin_lock_irqsave+0xa1/0x100 [ 21.022744] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 21.022773] ? __kthread_parkme+0x82/0x180 [ 21.022793] ? preempt_count_sub+0x50/0x80 [ 21.022813] ? __pfx_kunit_try_run_case+0x10/0x10 [ 21.022839] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 21.022881] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 21.022901] kthread+0x337/0x6f0 [ 21.022919] ? trace_preempt_on+0x20/0xc0 [ 21.022939] ? __pfx_kthread+0x10/0x10 [ 21.022958] ? _raw_spin_unlock_irq+0x47/0x80 [ 21.022976] ? calculate_sigpending+0x7b/0xa0 [ 21.022997] ? __pfx_kthread+0x10/0x10 [ 21.023016] ret_from_fork+0x116/0x1d0 [ 21.023033] ? __pfx_kthread+0x10/0x10 [ 21.023051] ret_from_fork_asm+0x1a/0x30 [ 21.023077] </TASK> [ 21.023088] [ 21.030085] Allocated by task 21: [ 21.030329] kasan_save_stack+0x45/0x70 [ 21.030653] kasan_save_track+0x18/0x40 [ 21.030969] kasan_save_alloc_info+0x3b/0x50 [ 21.031267] __kasan_kmalloc+0xb7/0xc0 [ 21.031551] __kmalloc_cache_node_noprof+0x188/0x420 [ 21.031898] build_sched_domains+0x38c/0x5dd0 [ 21.032147] partition_sched_domains+0x471/0x9c0 [ 21.032398] rebuild_sched_domains_locked+0x97d/0xd50 [ 21.032664] cpuset_update_active_cpus+0x80f/0x1a90 [ 21.033038] sched_cpu_activate+0x2bf/0x330 [ 21.033200] cpuhp_invoke_callback+0x2a1/0xf00 [ 21.033536] cpuhp_thread_fun+0x2ce/0x5c0 [ 21.033686] smpboot_thread_fn+0x2bc/0x730 [ 21.033837] kthread+0x337/0x6f0 [ 21.034085] ret_from_fork+0x116/0x1d0 [ 21.034394] ret_from_fork_asm+0x1a/0x30 [ 21.034664] [ 21.034778] Freed by task 21: [ 21.034931] kasan_save_stack+0x45/0x70 [ 21.035082] kasan_save_track+0x18/0x40 [ 21.035224] kasan_save_free_info+0x3f/0x60 [ 21.035377] __kasan_slab_free+0x56/0x70 [ 21.035537] kfree+0x222/0x3f0 [ 21.035665] build_sched_domains+0x1fff/0x5dd0 [ 21.035824] partition_sched_domains+0x471/0x9c0 [ 21.036136] rebuild_sched_domains_locked+0x97d/0xd50 [ 21.036498] cpuset_update_active_cpus+0x80f/0x1a90 [ 21.036837] sched_cpu_activate+0x2bf/0x330 [ 21.037132] cpuhp_invoke_callback+0x2a1/0xf00 [ 21.037458] cpuhp_thread_fun+0x2ce/0x5c0 [ 21.037843] smpboot_thread_fn+0x2bc/0x730 [ 21.038148] kthread+0x337/0x6f0 [ 21.038420] ret_from_fork+0x116/0x1d0 [ 21.038716] ret_from_fork_asm+0x1a/0x30 [ 21.039110] [ 21.039265] The buggy address belongs to the object at ffff888101bb7f40 [ 21.039265] which belongs to the cache kmalloc-16 of size 16 [ 21.039728] The buggy address is located 15 bytes to the right of [ 21.039728] allocated 16-byte region [ffff888101bb7f40, ffff888101bb7f50) [ 21.040591] [ 21.040744] The buggy address belongs to the physical page: [ 21.041106] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x101bb7 [ 21.041484] flags: 0x200000000000000(node=0|zone=2) [ 21.041664] page_type: f5(slab) [ 21.041798] raw: 0200000000000000 ffff888100041640 dead000000000100 dead000000000122 [ 21.042314] raw: 0000000000000000 0000000080800080 00000000f5000000 0000000000000000 [ 21.042668] page dumped because: kasan: bad access detected [ 21.042877] [ 21.043011] Memory state around the buggy address: [ 21.043338] ffff888101bb7e00: 00 06 fc fc 00 06 fc fc 00 06 fc fc fa fb fc fc [ 21.043731] ffff888101bb7e80: fa fb fc fc 00 00 fc fc fa fb fc fc fa fb fc fc [ 21.044087] >ffff888101bb7f00: fa fb fc fc fa fb fc fc fa fb fc fc 00 07 fc fc [ 21.044562] ^ [ 21.044851] ffff888101bb7f80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 21.045150] ffff888101bb8000: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 21.045360] ==================================================================