Date
Dec. 3, 2024, 11:38 p.m.
| Environment | |
|---|---|
| qemu-arm64 | |
| qemu-x86_64 |
[ 31.591556] ================================================================== [ 31.593348] BUG: KASAN: slab-out-of-bounds in kmem_cache_oob+0x33c/0x428 [ 31.594184] Read of size 1 at addr fff00000c59070c8 by task kunit_try_catch/196 [ 31.596253] [ 31.596663] CPU: 0 UID: 0 PID: 196 Comm: kunit_try_catch Tainted: G B N 6.13.0-rc1-next-20241203 #1 [ 31.597785] Tainted: [B]=BAD_PAGE, [N]=TEST [ 31.598270] Hardware name: linux,dummy-virt (DT) [ 31.599151] Call trace: [ 31.599868] show_stack+0x20/0x38 (C) [ 31.600438] dump_stack_lvl+0x8c/0xd0 [ 31.601010] print_report+0x118/0x5e0 [ 31.601551] kasan_report+0xc8/0x118 [ 31.602191] __asan_report_load1_noabort+0x20/0x30 [ 31.602890] kmem_cache_oob+0x33c/0x428 [ 31.603864] kunit_try_run_case+0x14c/0x3d0 [ 31.604520] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 31.605421] kthread+0x24c/0x2d0 [ 31.605976] ret_from_fork+0x10/0x20 [ 31.606633] [ 31.606917] Allocated by task 196: [ 31.607509] kasan_save_stack+0x3c/0x68 [ 31.608090] kasan_save_track+0x20/0x40 [ 31.608744] kasan_save_alloc_info+0x40/0x58 [ 31.609700] __kasan_slab_alloc+0xa8/0xb0 [ 31.610345] kmem_cache_alloc_noprof+0x108/0x398 [ 31.610879] kmem_cache_oob+0x12c/0x428 [ 31.611664] kunit_try_run_case+0x14c/0x3d0 [ 31.612797] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 31.613919] kthread+0x24c/0x2d0 [ 31.614446] ret_from_fork+0x10/0x20 [ 31.615092] [ 31.615444] The buggy address belongs to the object at fff00000c5907000 [ 31.615444] which belongs to the cache test_cache of size 200 [ 31.616703] The buggy address is located 0 bytes to the right of [ 31.616703] allocated 200-byte region [fff00000c5907000, fff00000c59070c8) [ 31.618839] [ 31.619592] The buggy address belongs to the physical page: [ 31.620381] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x105907 [ 31.621653] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff) [ 31.622721] page_type: f5(slab) [ 31.623431] raw: 0bfffe0000000000 fff00000c0ffddc0 dead000000000122 0000000000000000 [ 31.624321] raw: 0000000000000000 00000000800f000f 00000000f5000000 0000000000000000 [ 31.625707] page dumped because: kasan: bad access detected [ 31.626500] [ 31.627033] Memory state around the buggy address: [ 31.627977] fff00000c5906f80: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff [ 31.629031] fff00000c5907000: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 31.629972] >fff00000c5907080: 00 00 00 00 00 00 00 00 00 fc fc fc fc fc fc fc [ 31.630782] ^ [ 31.632523] fff00000c5907100: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 31.633572] fff00000c5907180: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 31.634707] ==================================================================
[ 27.037171] ================================================================== [ 27.038237] BUG: KASAN: slab-out-of-bounds in kmem_cache_oob+0x404/0x530 [ 27.039270] Read of size 1 at addr ffff888102a170c8 by task kunit_try_catch/216 [ 27.040168] [ 27.040420] CPU: 1 UID: 0 PID: 216 Comm: kunit_try_catch Tainted: G B N 6.13.0-rc1-next-20241203 #1 [ 27.042222] Tainted: [B]=BAD_PAGE, [N]=TEST [ 27.042714] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 27.043545] Call Trace: [ 27.043950] <TASK> [ 27.044315] dump_stack_lvl+0x73/0xb0 [ 27.044901] print_report+0xd1/0x640 [ 27.045394] ? __virt_addr_valid+0x1db/0x2d0 [ 27.045869] ? kasan_complete_mode_report_info+0x2a/0x200 [ 27.046615] kasan_report+0x102/0x140 [ 27.046839] ? kmem_cache_oob+0x404/0x530 [ 27.047089] ? kmem_cache_oob+0x404/0x530 [ 27.047652] __asan_report_load1_noabort+0x18/0x20 [ 27.048219] kmem_cache_oob+0x404/0x530 [ 27.048788] ? trace_hardirqs_on+0x37/0xe0 [ 27.049294] ? __pfx_kmem_cache_oob+0x10/0x10 [ 27.050017] ? finish_task_switch.isra.0+0x153/0x700 [ 27.050806] ? __switch_to+0x5d9/0xf60 [ 27.051407] ? __pfx_read_tsc+0x10/0x10 [ 27.051857] ? ktime_get_ts64+0x86/0x230 [ 27.052347] kunit_try_run_case+0x1b3/0x490 [ 27.053266] ? __pfx_kunit_try_run_case+0x10/0x10 [ 27.053943] ? _raw_spin_lock_irqsave+0xa2/0x110 [ 27.054347] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 27.055928] ? __kthread_parkme+0x82/0x160 [ 27.056465] ? preempt_count_sub+0x50/0x80 [ 27.057123] ? __pfx_kunit_try_run_case+0x10/0x10 [ 27.057923] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 27.058404] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 27.058842] kthread+0x257/0x310 [ 27.059643] ? __pfx_kthread+0x10/0x10 [ 27.060008] ret_from_fork+0x41/0x80 [ 27.061046] ? __pfx_kthread+0x10/0x10 [ 27.061421] ret_from_fork_asm+0x1a/0x30 [ 27.062302] </TASK> [ 27.062781] [ 27.063185] Allocated by task 216: [ 27.063387] kasan_save_stack+0x3d/0x60 [ 27.064391] kasan_save_track+0x18/0x40 [ 27.065091] kasan_save_alloc_info+0x3b/0x50 [ 27.065646] __kasan_slab_alloc+0x91/0xa0 [ 27.066391] kmem_cache_alloc_noprof+0x11e/0x3e0 [ 27.066901] kmem_cache_oob+0x158/0x530 [ 27.067290] kunit_try_run_case+0x1b3/0x490 [ 27.068338] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 27.068667] kthread+0x257/0x310 [ 27.068976] ret_from_fork+0x41/0x80 [ 27.069773] ret_from_fork_asm+0x1a/0x30 [ 27.070478] [ 27.070689] The buggy address belongs to the object at ffff888102a17000 [ 27.070689] which belongs to the cache test_cache of size 200 [ 27.072147] The buggy address is located 0 bytes to the right of [ 27.072147] allocated 200-byte region [ffff888102a17000, ffff888102a170c8) [ 27.073572] [ 27.074318] The buggy address belongs to the physical page: [ 27.074626] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x102a17 [ 27.075483] flags: 0x200000000000000(node=0|zone=2) [ 27.076175] page_type: f5(slab) [ 27.076727] raw: 0200000000000000 ffff888101e703c0 dead000000000122 0000000000000000 [ 27.077269] raw: 0000000000000000 00000000800f000f 00000000f5000000 0000000000000000 [ 27.078134] page dumped because: kasan: bad access detected [ 27.078429] [ 27.078589] Memory state around the buggy address: [ 27.079282] ffff888102a16f80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 27.080295] ffff888102a17000: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 27.080993] >ffff888102a17080: 00 00 00 00 00 00 00 00 00 fc fc fc fc fc fc fc [ 27.082099] ^ [ 27.082649] ffff888102a17100: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 27.083532] ffff888102a17180: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 27.084243] ==================================================================