Date
July 17, 2025, 11:11 p.m.
| Environment | |
|---|---|
| qemu-arm64 | |
| qemu-x86_64 |
[ 17.057899] ================================================================== [ 17.057978] BUG: KASAN: slab-out-of-bounds in kmem_cache_oob+0x344/0x430 [ 17.058347] Read of size 1 at addr fff00000c78c90c8 by task kunit_try_catch/207 [ 17.058785] [ 17.058845] CPU: 1 UID: 0 PID: 207 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc6 #1 PREEMPT [ 17.058945] Tainted: [B]=BAD_PAGE, [N]=TEST [ 17.058973] Hardware name: linux,dummy-virt (DT) [ 17.059007] Call trace: [ 17.059156] show_stack+0x20/0x38 (C) [ 17.059230] dump_stack_lvl+0x8c/0xd0 [ 17.059282] print_report+0x118/0x5d0 [ 17.059489] kasan_report+0xdc/0x128 [ 17.059692] __asan_report_load1_noabort+0x20/0x30 [ 17.059821] kmem_cache_oob+0x344/0x430 [ 17.059983] kunit_try_run_case+0x170/0x3f0 [ 17.060180] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 17.060267] kthread+0x328/0x630 [ 17.060726] ret_from_fork+0x10/0x20 [ 17.060923] [ 17.061062] Allocated by task 207: [ 17.061196] kasan_save_stack+0x3c/0x68 [ 17.061359] kasan_save_track+0x20/0x40 [ 17.061403] kasan_save_alloc_info+0x40/0x58 [ 17.061465] __kasan_slab_alloc+0xa8/0xb0 [ 17.061697] kmem_cache_alloc_noprof+0x10c/0x398 [ 17.062003] kmem_cache_oob+0x12c/0x430 [ 17.062174] kunit_try_run_case+0x170/0x3f0 [ 17.062252] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 17.062363] kthread+0x328/0x630 [ 17.062397] ret_from_fork+0x10/0x20 [ 17.062769] [ 17.062877] The buggy address belongs to the object at fff00000c78c9000 [ 17.062877] which belongs to the cache test_cache of size 200 [ 17.062982] The buggy address is located 0 bytes to the right of [ 17.062982] allocated 200-byte region [fff00000c78c9000, fff00000c78c90c8) [ 17.063168] [ 17.063312] The buggy address belongs to the physical page: [ 17.063363] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1078c9 [ 17.063564] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff) [ 17.063682] page_type: f5(slab) [ 17.063855] raw: 0bfffe0000000000 fff00000c3e56500 dead000000000122 0000000000000000 [ 17.064043] raw: 0000000000000000 00000000800f000f 00000000f5000000 0000000000000000 [ 17.064196] page dumped because: kasan: bad access detected [ 17.064315] [ 17.064334] Memory state around the buggy address: [ 17.064380] fff00000c78c8f80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 17.064670] fff00000c78c9000: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 17.064943] >fff00000c78c9080: 00 00 00 00 00 00 00 00 00 fc fc fc fc fc fc fc [ 17.065051] ^ [ 17.065147] fff00000c78c9100: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 17.065453] fff00000c78c9180: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 17.065728] ==================================================================
[ 12.940728] ================================================================== [ 12.941891] BUG: KASAN: slab-out-of-bounds in kmem_cache_oob+0x402/0x530 [ 12.943042] Read of size 1 at addr ffff8881026be0c8 by task kunit_try_catch/224 [ 12.944028] [ 12.944419] CPU: 1 UID: 0 PID: 224 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc6 #1 PREEMPT(voluntary) [ 12.944639] Tainted: [B]=BAD_PAGE, [N]=TEST [ 12.944654] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 12.944717] Call Trace: [ 12.944731] <TASK> [ 12.944750] dump_stack_lvl+0x73/0xb0 [ 12.944784] print_report+0xd1/0x610 [ 12.944827] ? __virt_addr_valid+0x1db/0x2d0 [ 12.944852] ? kmem_cache_oob+0x402/0x530 [ 12.944874] ? kasan_complete_mode_report_info+0x2a/0x200 [ 12.944896] ? kmem_cache_oob+0x402/0x530 [ 12.944918] kasan_report+0x141/0x180 [ 12.944939] ? kmem_cache_oob+0x402/0x530 [ 12.944966] __asan_report_load1_noabort+0x18/0x20 [ 12.944989] kmem_cache_oob+0x402/0x530 [ 12.945012] ? __pfx_kmem_cache_oob+0x10/0x10 [ 12.945033] ? sysvec_apic_timer_interrupt+0x50/0x90 [ 12.945073] ? __pfx_kmem_cache_oob+0x10/0x10 [ 12.945100] kunit_try_run_case+0x1a5/0x480 [ 12.945125] ? __pfx_kunit_try_run_case+0x10/0x10 [ 12.945146] ? _raw_spin_lock_irqsave+0xa1/0x100 [ 12.945170] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 12.945192] ? __kthread_parkme+0x82/0x180 [ 12.945212] ? preempt_count_sub+0x50/0x80 [ 12.945235] ? __pfx_kunit_try_run_case+0x10/0x10 [ 12.945258] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 12.945281] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 12.945304] kthread+0x337/0x6f0 [ 12.945321] ? trace_preempt_on+0x20/0xc0 [ 12.945344] ? __pfx_kthread+0x10/0x10 [ 12.945364] ? _raw_spin_unlock_irq+0x47/0x80 [ 12.945384] ? calculate_sigpending+0x7b/0xa0 [ 12.945407] ? __pfx_kthread+0x10/0x10 [ 12.945427] ret_from_fork+0x116/0x1d0 [ 12.945446] ? __pfx_kthread+0x10/0x10 [ 12.945465] ret_from_fork_asm+0x1a/0x30 [ 12.945497] </TASK> [ 12.945507] [ 12.959208] Allocated by task 224: [ 12.959346] kasan_save_stack+0x45/0x70 [ 12.959497] kasan_save_track+0x18/0x40 [ 12.959633] kasan_save_alloc_info+0x3b/0x50 [ 12.959782] __kasan_slab_alloc+0x91/0xa0 [ 12.959921] kmem_cache_alloc_noprof+0x123/0x3f0 [ 12.960136] kmem_cache_oob+0x157/0x530 [ 12.960885] kunit_try_run_case+0x1a5/0x480 [ 12.961261] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 12.961710] kthread+0x337/0x6f0 [ 12.962223] ret_from_fork+0x116/0x1d0 [ 12.962807] ret_from_fork_asm+0x1a/0x30 [ 12.963376] [ 12.963539] The buggy address belongs to the object at ffff8881026be000 [ 12.963539] which belongs to the cache test_cache of size 200 [ 12.964944] The buggy address is located 0 bytes to the right of [ 12.964944] allocated 200-byte region [ffff8881026be000, ffff8881026be0c8) [ 12.966445] [ 12.966663] The buggy address belongs to the physical page: [ 12.967307] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1026be [ 12.968114] flags: 0x200000000000000(node=0|zone=2) [ 12.968641] page_type: f5(slab) [ 12.969071] raw: 0200000000000000 ffff8881010b4640 dead000000000122 0000000000000000 [ 12.969770] raw: 0000000000000000 00000000800f000f 00000000f5000000 0000000000000000 [ 12.970369] page dumped because: kasan: bad access detected [ 12.970774] [ 12.970962] Memory state around the buggy address: [ 12.971317] ffff8881026bdf80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 12.971625] ffff8881026be000: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 12.972403] >ffff8881026be080: 00 00 00 00 00 00 00 00 00 fc fc fc fc fc fc fc [ 12.972676] ^ [ 12.973295] ffff8881026be100: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 12.974098] ffff8881026be180: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 12.974378] ==================================================================