Date
Dec. 5, 2024, 2:07 p.m.
| Environment | |
|---|---|
| qemu-arm64 | |
| qemu-x86_64 |
[ 31.190945] ================================================================== [ 31.192547] BUG: KASAN: slab-out-of-bounds in kmem_cache_oob+0x33c/0x428 [ 31.193810] Read of size 1 at addr fff00000c65650c8 by task kunit_try_catch/196 [ 31.194981] [ 31.195385] CPU: 1 UID: 0 PID: 196 Comm: kunit_try_catch Tainted: G B N 6.13.0-rc1-next-20241205 #1 [ 31.196677] Tainted: [B]=BAD_PAGE, [N]=TEST [ 31.197343] Hardware name: linux,dummy-virt (DT) [ 31.198004] Call trace: [ 31.198395] show_stack+0x20/0x38 (C) [ 31.198965] dump_stack_lvl+0x8c/0xd0 [ 31.199504] print_report+0x118/0x5e0 [ 31.200371] kasan_report+0xc8/0x118 [ 31.200912] __asan_report_load1_noabort+0x20/0x30 [ 31.201656] kmem_cache_oob+0x33c/0x428 [ 31.202327] kunit_try_run_case+0x14c/0x3d0 [ 31.202957] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 31.203941] kthread+0x24c/0x2d0 [ 31.204449] ret_from_fork+0x10/0x20 [ 31.205109] [ 31.205528] Allocated by task 196: [ 31.206056] kasan_save_stack+0x3c/0x68 [ 31.206805] kasan_save_track+0x20/0x40 [ 31.207730] kasan_save_alloc_info+0x40/0x58 [ 31.208211] __kasan_slab_alloc+0xa8/0xb0 [ 31.208749] kmem_cache_alloc_noprof+0x108/0x398 [ 31.209409] kmem_cache_oob+0x12c/0x428 [ 31.210424] kunit_try_run_case+0x14c/0x3d0 [ 31.211409] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 31.212122] kthread+0x24c/0x2d0 [ 31.212690] ret_from_fork+0x10/0x20 [ 31.213355] [ 31.213712] The buggy address belongs to the object at fff00000c6565000 [ 31.213712] which belongs to the cache test_cache of size 200 [ 31.215160] The buggy address is located 0 bytes to the right of [ 31.215160] allocated 200-byte region [fff00000c6565000, fff00000c65650c8) [ 31.216765] [ 31.217193] The buggy address belongs to the physical page: [ 31.217949] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x106565 [ 31.218862] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff) [ 31.219986] page_type: f5(slab) [ 31.220515] raw: 0bfffe0000000000 fff00000c16088c0 dead000000000122 0000000000000000 [ 31.221507] raw: 0000000000000000 00000000800f000f 00000000f5000000 0000000000000000 [ 31.222527] page dumped because: kasan: bad access detected [ 31.223187] [ 31.223939] Memory state around the buggy address: [ 31.224572] fff00000c6564f80: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff [ 31.225441] fff00000c6565000: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 31.226547] >fff00000c6565080: 00 00 00 00 00 00 00 00 00 fc fc fc fc fc fc fc [ 31.227445] ^ [ 31.228054] fff00000c6565100: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 31.229151] fff00000c6565180: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 31.230030] ==================================================================
[ 29.039719] ================================================================== [ 29.040741] BUG: KASAN: slab-out-of-bounds in kmem_cache_oob+0x404/0x530 [ 29.041360] Read of size 1 at addr ffff888101ab90c8 by task kunit_try_catch/214 [ 29.042158] [ 29.042706] CPU: 0 UID: 0 PID: 214 Comm: kunit_try_catch Tainted: G B N 6.13.0-rc1-next-20241205 #1 [ 29.043553] Tainted: [B]=BAD_PAGE, [N]=TEST [ 29.044366] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 29.045092] Call Trace: [ 29.045360] <TASK> [ 29.045621] dump_stack_lvl+0x73/0xb0 [ 29.046110] print_report+0xd1/0x640 [ 29.046495] ? __virt_addr_valid+0x1db/0x2d0 [ 29.047286] ? kasan_complete_mode_report_info+0x2a/0x200 [ 29.048109] kasan_report+0x102/0x140 [ 29.048446] ? kmem_cache_oob+0x404/0x530 [ 29.048936] ? kmem_cache_oob+0x404/0x530 [ 29.049293] __asan_report_load1_noabort+0x18/0x20 [ 29.050182] kmem_cache_oob+0x404/0x530 [ 29.050521] ? trace_hardirqs_on+0x37/0xe0 [ 29.051032] ? __pfx_kmem_cache_oob+0x10/0x10 [ 29.051729] ? finish_task_switch.isra.0+0x153/0x700 [ 29.052354] ? __switch_to+0x5d9/0xf60 [ 29.052845] ? __pfx_read_tsc+0x10/0x10 [ 29.053313] ? ktime_get_ts64+0x86/0x230 [ 29.053940] kunit_try_run_case+0x1b3/0x490 [ 29.054423] ? __pfx_kunit_try_run_case+0x10/0x10 [ 29.055112] ? _raw_spin_lock_irqsave+0xa2/0x110 [ 29.055555] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 29.056056] ? __kthread_parkme+0x82/0x160 [ 29.056458] ? preempt_count_sub+0x50/0x80 [ 29.056927] ? __pfx_kunit_try_run_case+0x10/0x10 [ 29.057464] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 29.058222] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 29.058872] kthread+0x257/0x310 [ 29.059213] ? __pfx_kthread+0x10/0x10 [ 29.059550] ret_from_fork+0x41/0x80 [ 29.059989] ? __pfx_kthread+0x10/0x10 [ 29.060446] ret_from_fork_asm+0x1a/0x30 [ 29.060978] </TASK> [ 29.061281] [ 29.061458] Allocated by task 214: [ 29.061954] kasan_save_stack+0x3d/0x60 [ 29.062256] kasan_save_track+0x18/0x40 [ 29.062620] kasan_save_alloc_info+0x3b/0x50 [ 29.063205] __kasan_slab_alloc+0x91/0xa0 [ 29.063582] kmem_cache_alloc_noprof+0x11e/0x3e0 [ 29.064115] kmem_cache_oob+0x158/0x530 [ 29.064617] kunit_try_run_case+0x1b3/0x490 [ 29.065195] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 29.065622] kthread+0x257/0x310 [ 29.066077] ret_from_fork+0x41/0x80 [ 29.066540] ret_from_fork_asm+0x1a/0x30 [ 29.067001] [ 29.067187] The buggy address belongs to the object at ffff888101ab9000 [ 29.067187] which belongs to the cache test_cache of size 200 [ 29.068218] The buggy address is located 0 bytes to the right of [ 29.068218] allocated 200-byte region [ffff888101ab9000, ffff888101ab90c8) [ 29.069425] [ 29.069697] The buggy address belongs to the physical page: [ 29.070087] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x101ab9 [ 29.071011] flags: 0x200000000000000(node=0|zone=2) [ 29.071488] page_type: f5(slab) [ 29.072508] raw: 0200000000000000 ffff8881011e5b40 dead000000000122 0000000000000000 [ 29.073133] raw: 0000000000000000 00000000800f000f 00000000f5000000 0000000000000000 [ 29.073749] page dumped because: kasan: bad access detected [ 29.074286] [ 29.074461] Memory state around the buggy address: [ 29.075489] ffff888101ab8f80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 29.076136] ffff888101ab9000: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 29.076723] >ffff888101ab9080: 00 00 00 00 00 00 00 00 00 fc fc fc fc fc fc fc [ 29.077324] ^ [ 29.077968] ffff888101ab9100: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 29.078448] ffff888101ab9180: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 29.079085] ==================================================================