Date
May 12, 2025, 6:12 p.m.
Environment | |
---|---|
qemu-arm64 | |
qemu-x86_64 |
[ 19.485889] ================================================================== [ 19.486621] BUG: KASAN: slab-out-of-bounds in kmem_cache_oob+0x33c/0x428 [ 19.487399] Read of size 1 at addr fff00000c656f0c8 by task kunit_try_catch/196 [ 19.487953] [ 19.488335] CPU: 0 UID: 0 PID: 196 Comm: kunit_try_catch Tainted: G B N 6.14.7-rc1 #1 [ 19.488528] Tainted: [B]=BAD_PAGE, [N]=TEST [ 19.488593] Hardware name: linux,dummy-virt (DT) [ 19.488666] Call trace: [ 19.488721] show_stack+0x20/0x38 (C) [ 19.488860] dump_stack_lvl+0x8c/0xd0 [ 19.488982] print_report+0x118/0x608 [ 19.489064] kasan_report+0xdc/0x128 [ 19.489121] __asan_report_load1_noabort+0x20/0x30 [ 19.489206] kmem_cache_oob+0x33c/0x428 [ 19.489323] kunit_try_run_case+0x170/0x3f0 [ 19.489445] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 19.489520] kthread+0x318/0x620 [ 19.489575] ret_from_fork+0x10/0x20 [ 19.489633] [ 19.494366] Allocated by task 196: [ 19.495338] kasan_save_stack+0x3c/0x68 [ 19.495992] kasan_save_track+0x20/0x40 [ 19.496556] kasan_save_alloc_info+0x40/0x58 [ 19.497181] __kasan_slab_alloc+0xa8/0xb0 [ 19.497681] kmem_cache_alloc_noprof+0x10c/0x3a0 [ 19.498250] kmem_cache_oob+0x12c/0x428 [ 19.499118] kunit_try_run_case+0x170/0x3f0 [ 19.499400] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 19.500062] kthread+0x318/0x620 [ 19.500350] ret_from_fork+0x10/0x20 [ 19.500656] [ 19.500926] The buggy address belongs to the object at fff00000c656f000 [ 19.500926] which belongs to the cache test_cache of size 200 [ 19.501798] The buggy address is located 0 bytes to the right of [ 19.501798] allocated 200-byte region [fff00000c656f000, fff00000c656f0c8) [ 19.502197] [ 19.502304] The buggy address belongs to the physical page: [ 19.502926] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x10656f [ 19.503959] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff) [ 19.504494] page_type: f5(slab) [ 19.504839] raw: 0bfffe0000000000 fff00000c656d000 dead000000000122 0000000000000000 [ 19.505423] raw: 0000000000000000 00000000800f000f 00000000f5000000 0000000000000000 [ 19.506863] page dumped because: kasan: bad access detected [ 19.507212] [ 19.507672] Memory state around the buggy address: [ 19.507988] fff00000c656ef80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 19.508757] fff00000c656f000: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 19.509501] >fff00000c656f080: 00 00 00 00 00 00 00 00 00 fc fc fc fc fc fc fc [ 19.510252] ^ [ 19.511072] fff00000c656f100: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 19.512051] fff00000c656f180: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 19.512759] ==================================================================
[ 13.065448] ================================================================== [ 13.066094] BUG: KASAN: slab-out-of-bounds in kmem_cache_oob+0x404/0x530 [ 13.066561] Read of size 1 at addr ffff888102ae20c8 by task kunit_try_catch/215 [ 13.067009] [ 13.067115] CPU: 0 UID: 0 PID: 215 Comm: kunit_try_catch Tainted: G B N 6.14.7-rc1 #1 [ 13.067166] Tainted: [B]=BAD_PAGE, [N]=TEST [ 13.067178] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 13.067201] Call Trace: [ 13.067215] <TASK> [ 13.067237] dump_stack_lvl+0x73/0xb0 [ 13.067551] print_report+0xd1/0x650 [ 13.067577] ? __virt_addr_valid+0x1db/0x2d0 [ 13.067601] ? kmem_cache_oob+0x404/0x530 [ 13.067622] ? kasan_complete_mode_report_info+0x2a/0x200 [ 13.067648] ? kmem_cache_oob+0x404/0x530 [ 13.067669] kasan_report+0x140/0x180 [ 13.067690] ? kmem_cache_oob+0x404/0x530 [ 13.067716] __asan_report_load1_noabort+0x18/0x20 [ 13.067738] kmem_cache_oob+0x404/0x530 [ 13.067758] ? trace_hardirqs_on+0x37/0xe0 [ 13.067783] ? __pfx_kmem_cache_oob+0x10/0x10 [ 13.067805] ? __kasan_check_write+0x18/0x20 [ 13.067826] ? queued_spin_lock_slowpath+0x117/0xb40 [ 13.067863] ? irqentry_exit+0x2a/0x60 [ 13.067884] ? trace_hardirqs_on+0x37/0xe0 [ 13.067905] ? __pfx_read_tsc+0x10/0x10 [ 13.067927] ? ktime_get_ts64+0x86/0x230 [ 13.067954] kunit_try_run_case+0x1a6/0x480 [ 13.067978] ? __pfx_kunit_try_run_case+0x10/0x10 [ 13.068000] ? queued_spin_lock_slowpath+0x117/0xb40 [ 13.068021] ? __kthread_parkme+0x82/0x160 [ 13.068257] ? preempt_count_sub+0x50/0x80 [ 13.068293] ? __pfx_kunit_try_run_case+0x10/0x10 [ 13.068317] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 13.068342] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 13.068367] kthread+0x324/0x6e0 [ 13.068389] ? trace_preempt_on+0x20/0xc0 [ 13.068412] ? __pfx_kthread+0x10/0x10 [ 13.068434] ? _raw_spin_unlock_irq+0x47/0x80 [ 13.068458] ? calculate_sigpending+0x7b/0xa0 [ 13.068480] ? __pfx_kthread+0x10/0x10 [ 13.068502] ret_from_fork+0x41/0x80 [ 13.068521] ? __pfx_kthread+0x10/0x10 [ 13.068543] ret_from_fork_asm+0x1a/0x30 [ 13.068575] </TASK> [ 13.068587] [ 13.080020] Allocated by task 215: [ 13.080712] kasan_save_stack+0x45/0x70 [ 13.081190] kasan_save_track+0x18/0x40 [ 13.081360] kasan_save_alloc_info+0x3b/0x50 [ 13.081766] __kasan_slab_alloc+0x91/0xa0 [ 13.082061] kmem_cache_alloc_noprof+0x124/0x400 [ 13.082512] kmem_cache_oob+0x158/0x530 [ 13.082802] kunit_try_run_case+0x1a6/0x480 [ 13.083116] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 13.083360] kthread+0x324/0x6e0 [ 13.083520] ret_from_fork+0x41/0x80 [ 13.083696] ret_from_fork_asm+0x1a/0x30 [ 13.083900] [ 13.083986] The buggy address belongs to the object at ffff888102ae2000 [ 13.083986] which belongs to the cache test_cache of size 200 [ 13.085118] The buggy address is located 0 bytes to the right of [ 13.085118] allocated 200-byte region [ffff888102ae2000, ffff888102ae20c8) [ 13.085502] [ 13.085580] The buggy address belongs to the physical page: [ 13.085762] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x102ae2 [ 13.086781] flags: 0x200000000000000(node=0|zone=2) [ 13.087417] page_type: f5(slab) [ 13.088108] raw: 0200000000000000 ffff8881011e9a00 dead000000000122 0000000000000000 [ 13.088816] raw: 0000000000000000 00000000800f000f 00000000f5000000 0000000000000000 [ 13.089645] page dumped because: kasan: bad access detected [ 13.090237] [ 13.090608] Memory state around the buggy address: [ 13.091137] ffff888102ae1f80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 13.091359] ffff888102ae2000: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 13.091575] >ffff888102ae2080: 00 00 00 00 00 00 00 00 00 fc fc fc fc fc fc fc [ 13.091787] ^ [ 13.091987] ffff888102ae2100: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 13.092489] ffff888102ae2180: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 13.092776] ==================================================================