Date
June 2, 2025, 2:13 p.m.
| Environment | |
|---|---|
| qemu-arm64 | |
| qemu-x86_64 |
[ 19.551044] ================================================================== [ 19.551448] BUG: KASAN: slab-out-of-bounds in kmem_cache_oob+0x33c/0x428 [ 19.551779] Read of size 1 at addr fff00000c3f220c8 by task kunit_try_catch/197 [ 19.552033] [ 19.552174] CPU: 1 UID: 0 PID: 197 Comm: kunit_try_catch Tainted: G B N 6.14.10-rc1 #1 [ 19.552272] Tainted: [B]=BAD_PAGE, [N]=TEST [ 19.552302] Hardware name: linux,dummy-virt (DT) [ 19.552342] Call trace: [ 19.552366] show_stack+0x20/0x38 (C) [ 19.552442] dump_stack_lvl+0x8c/0xd0 [ 19.552495] print_report+0x118/0x608 [ 19.552548] kasan_report+0xdc/0x128 [ 19.552597] __asan_report_load1_noabort+0x20/0x30 [ 19.552650] kmem_cache_oob+0x33c/0x428 [ 19.552698] kunit_try_run_case+0x170/0x3f0 [ 19.552751] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 19.552806] kthread+0x318/0x620 [ 19.552856] ret_from_fork+0x10/0x20 [ 19.552910] [ 19.557151] Allocated by task 197: [ 19.557341] kasan_save_stack+0x3c/0x68 [ 19.557688] kasan_save_track+0x20/0x40 [ 19.557987] kasan_save_alloc_info+0x40/0x58 [ 19.558303] __kasan_slab_alloc+0xa8/0xb0 [ 19.559554] kmem_cache_alloc_noprof+0x10c/0x398 [ 19.559860] kmem_cache_oob+0x12c/0x428 [ 19.560021] kunit_try_run_case+0x170/0x3f0 [ 19.560243] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 19.560494] kthread+0x318/0x620 [ 19.560679] ret_from_fork+0x10/0x20 [ 19.560864] [ 19.560993] The buggy address belongs to the object at fff00000c3f22000 [ 19.560993] which belongs to the cache test_cache of size 200 [ 19.562735] The buggy address is located 0 bytes to the right of [ 19.562735] allocated 200-byte region [fff00000c3f22000, fff00000c3f220c8) [ 19.563328] [ 19.563491] The buggy address belongs to the physical page: [ 19.563762] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x103f22 [ 19.564594] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff) [ 19.564934] page_type: f5(slab) [ 19.565201] raw: 0bfffe0000000000 fff00000c463bdc0 dead000000000122 0000000000000000 [ 19.565704] raw: 0000000000000000 00000000800f000f 00000000f5000000 0000000000000000 [ 19.566658] page dumped because: kasan: bad access detected [ 19.566961] [ 19.567066] Memory state around the buggy address: [ 19.567527] fff00000c3f21f80: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff [ 19.568280] fff00000c3f22000: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 19.568670] >fff00000c3f22080: 00 00 00 00 00 00 00 00 00 fc fc fc fc fc fc fc [ 19.569316] ^ [ 19.569581] fff00000c3f22100: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 19.570022] fff00000c3f22180: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 19.570345] ==================================================================
[ 13.326878] ================================================================== [ 13.327342] BUG: KASAN: slab-out-of-bounds in kmem_cache_oob+0x404/0x530 [ 13.327804] Read of size 1 at addr ffff888102a310c8 by task kunit_try_catch/215 [ 13.328098] [ 13.328209] CPU: 0 UID: 0 PID: 215 Comm: kunit_try_catch Tainted: G B N 6.14.10-rc1 #1 [ 13.328247] Tainted: [B]=BAD_PAGE, [N]=TEST [ 13.328258] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 13.328277] Call Trace: [ 13.328289] <TASK> [ 13.328304] dump_stack_lvl+0x73/0xb0 [ 13.328333] print_report+0xd1/0x650 [ 13.328358] ? __virt_addr_valid+0x1db/0x2d0 [ 13.328383] ? kmem_cache_oob+0x404/0x530 [ 13.328406] ? kasan_complete_mode_report_info+0x2a/0x200 [ 13.328435] ? kmem_cache_oob+0x404/0x530 [ 13.328459] kasan_report+0x140/0x180 [ 13.328483] ? kmem_cache_oob+0x404/0x530 [ 13.328512] __asan_report_load1_noabort+0x18/0x20 [ 13.328538] kmem_cache_oob+0x404/0x530 [ 13.328561] ? trace_hardirqs_on+0x37/0xe0 [ 13.328587] ? __pfx_kmem_cache_oob+0x10/0x10 [ 13.328613] ? __kasan_check_write+0x18/0x20 [ 13.328638] ? queued_spin_lock_slowpath+0x117/0xb40 [ 13.328664] ? irqentry_exit+0x2a/0x60 [ 13.328687] ? trace_hardirqs_on+0x37/0xe0 [ 13.328713] ? __pfx_read_tsc+0x10/0x10 [ 13.328736] ? ktime_get_ts64+0x86/0x230 [ 13.328765] kunit_try_run_case+0x1a6/0x480 [ 13.328791] ? __pfx_kunit_try_run_case+0x10/0x10 [ 13.328817] ? queued_spin_lock_slowpath+0x117/0xb40 [ 13.328843] ? __kthread_parkme+0x82/0x160 [ 13.328868] ? preempt_count_sub+0x50/0x80 [ 13.328895] ? __pfx_kunit_try_run_case+0x10/0x10 [ 13.328920] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 13.328949] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 13.328977] kthread+0x324/0x6e0 [ 13.329001] ? trace_preempt_on+0x20/0xc0 [ 13.329035] ? __pfx_kthread+0x10/0x10 [ 13.329060] ? _raw_spin_unlock_irq+0x47/0x80 [ 13.329084] ? calculate_sigpending+0x7b/0xa0 [ 13.329108] ? __pfx_kthread+0x10/0x10 [ 13.329133] ret_from_fork+0x41/0x80 [ 13.329154] ? __pfx_kthread+0x10/0x10 [ 13.329178] ret_from_fork_asm+0x1a/0x30 [ 13.329212] </TASK> [ 13.329222] [ 13.340167] Allocated by task 215: [ 13.340314] kasan_save_stack+0x45/0x70 [ 13.340503] kasan_save_track+0x18/0x40 [ 13.341031] kasan_save_alloc_info+0x3b/0x50 [ 13.341341] __kasan_slab_alloc+0x91/0xa0 [ 13.341748] kmem_cache_alloc_noprof+0x124/0x400 [ 13.342217] kmem_cache_oob+0x158/0x530 [ 13.342369] kunit_try_run_case+0x1a6/0x480 [ 13.342519] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 13.342706] kthread+0x324/0x6e0 [ 13.342832] ret_from_fork+0x41/0x80 [ 13.342961] ret_from_fork_asm+0x1a/0x30 [ 13.343113] [ 13.343185] The buggy address belongs to the object at ffff888102a31000 [ 13.343185] which belongs to the cache test_cache of size 200 [ 13.343536] The buggy address is located 0 bytes to the right of [ 13.343536] allocated 200-byte region [ffff888102a31000, ffff888102a310c8) [ 13.343892] [ 13.343963] The buggy address belongs to the physical page: [ 13.344591] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x102a31 [ 13.345522] flags: 0x200000000000000(node=0|zone=2) [ 13.345986] page_type: f5(slab) [ 13.346331] raw: 0200000000000000 ffff888101689b40 dead000000000122 0000000000000000 [ 13.347152] raw: 0000000000000000 00000000800f000f 00000000f5000000 0000000000000000 [ 13.347937] page dumped because: kasan: bad access detected [ 13.348449] [ 13.348645] Memory state around the buggy address: [ 13.349132] ffff888102a30f80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 13.349817] ffff888102a31000: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 13.350487] >ffff888102a31080: 00 00 00 00 00 00 00 00 00 fc fc fc fc fc fc fc [ 13.351291] ^ [ 13.351846] ffff888102a31100: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 13.352606] ffff888102a31180: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 13.353228] ==================================================================