Date
Nov. 27, 2024, 3:37 a.m.
| Environment | |
|---|---|
| qemu-arm64 | |
| qemu-x86_64 |
[ 49.123569] ================================================================== [ 49.124758] BUG: KASAN: invalid-free in kmem_cache_invalid_free+0x184/0x3b8 [ 49.125452] Free of addr fff00000c617a001 by task kunit_try_catch/200 [ 49.126996] [ 49.127317] CPU: 1 UID: 0 PID: 200 Comm: kunit_try_catch Tainted: G B N 6.12.0-next-20241127 #1 [ 49.128723] Tainted: [B]=BAD_PAGE, [N]=TEST [ 49.129422] Hardware name: linux,dummy-virt (DT) [ 49.130032] Call trace: [ 49.130775] show_stack+0x20/0x38 (C) [ 49.131384] dump_stack_lvl+0x8c/0xd0 [ 49.132095] print_report+0x118/0x5e0 [ 49.132626] kasan_report_invalid_free+0xb0/0xd8 [ 49.133473] check_slab_allocation+0xfc/0x108 [ 49.134268] __kasan_slab_pre_free+0x2c/0x48 [ 49.134819] kmem_cache_free+0xf0/0x470 [ 49.135457] kmem_cache_invalid_free+0x184/0x3b8 [ 49.136076] kunit_try_run_case+0x14c/0x3d0 [ 49.136802] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 49.137785] kthread+0x24c/0x2d0 [ 49.138317] ret_from_fork+0x10/0x20 [ 49.138934] [ 49.139205] Allocated by task 200: [ 49.139928] kasan_save_stack+0x3c/0x68 [ 49.140491] kasan_save_track+0x20/0x40 [ 49.141514] kasan_save_alloc_info+0x40/0x58 [ 49.142132] __kasan_slab_alloc+0xa8/0xb0 [ 49.142767] kmem_cache_alloc_noprof+0x108/0x398 [ 49.143404] kmem_cache_invalid_free+0x12c/0x3b8 [ 49.144083] kunit_try_run_case+0x14c/0x3d0 [ 49.144770] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 49.145807] kthread+0x24c/0x2d0 [ 49.146394] ret_from_fork+0x10/0x20 [ 49.147094] [ 49.147398] The buggy address belongs to the object at fff00000c617a000 [ 49.147398] which belongs to the cache test_cache of size 200 [ 49.148799] The buggy address is located 1 bytes inside of [ 49.148799] 200-byte region [fff00000c617a000, fff00000c617a0c8) [ 49.150358] [ 49.150696] The buggy address belongs to the physical page: [ 49.151397] page: refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x10617a [ 49.152382] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff) [ 49.154015] page_type: f5(slab) [ 49.154440] raw: 0bfffe0000000000 fff00000c6181140 dead000000000122 0000000000000000 [ 49.155495] raw: 0000000000000000 00000000800f000f 00000001f5000000 0000000000000000 [ 49.156285] page dumped because: kasan: bad access detected [ 49.157028] [ 49.157328] Memory state around the buggy address: [ 49.158899] fff00000c6179f00: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff [ 49.159754] fff00000c6179f80: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff [ 49.160591] >fff00000c617a000: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 49.161779] ^ [ 49.162166] fff00000c617a080: 00 00 00 00 00 00 00 00 00 fc fc fc fc fc fc fc [ 49.162965] fff00000c617a100: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 49.163902] ==================================================================
[ 26.327881] ================================================================== [ 26.329724] BUG: KASAN: invalid-free in kmem_cache_invalid_free+0x1d9/0x470 [ 26.330453] Free of addr ffff888102a52001 by task kunit_try_catch/219 [ 26.331806] [ 26.332201] CPU: 0 UID: 0 PID: 219 Comm: kunit_try_catch Tainted: G B N 6.12.0-next-20241127 #1 [ 26.333474] Tainted: [B]=BAD_PAGE, [N]=TEST [ 26.333799] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 26.335067] Call Trace: [ 26.335300] <TASK> [ 26.335591] dump_stack_lvl+0x73/0xb0 [ 26.336025] print_report+0xd1/0x640 [ 26.336408] ? __virt_addr_valid+0x1db/0x2d0 [ 26.336866] ? kmem_cache_invalid_free+0x1d9/0x470 [ 26.338123] ? kasan_complete_mode_report_info+0x2a/0x200 [ 26.338833] ? kmem_cache_invalid_free+0x1d9/0x470 [ 26.339736] kasan_report_invalid_free+0xc0/0xf0 [ 26.340512] ? kmem_cache_invalid_free+0x1d9/0x470 [ 26.341340] ? kmem_cache_invalid_free+0x1d9/0x470 [ 26.342151] check_slab_allocation+0x11f/0x130 [ 26.342852] __kasan_slab_pre_free+0x28/0x40 [ 26.343610] kmem_cache_free+0xee/0x420 [ 26.344637] ? kmem_cache_alloc_noprof+0x11e/0x3e0 [ 26.345327] ? kmem_cache_invalid_free+0x1d9/0x470 [ 26.346240] kmem_cache_invalid_free+0x1d9/0x470 [ 26.346759] ? __pfx_kmem_cache_invalid_free+0x10/0x10 [ 26.348213] ? finish_task_switch.isra.0+0x153/0x700 [ 26.348949] ? __switch_to+0x5d9/0xf60 [ 26.349664] ? __pfx_read_tsc+0x10/0x10 [ 26.349856] ? ktime_get_ts64+0x84/0x230 [ 26.350884] kunit_try_run_case+0x1b3/0x490 [ 26.351676] ? __pfx_kunit_try_run_case+0x10/0x10 [ 26.352687] ? _raw_spin_lock_irqsave+0xa2/0x110 [ 26.353806] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 26.354956] ? __kthread_parkme+0x82/0x160 [ 26.355468] ? preempt_count_sub+0x50/0x80 [ 26.355669] ? __pfx_kunit_try_run_case+0x10/0x10 [ 26.355874] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 26.357294] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 26.358487] kthread+0x257/0x310 [ 26.359292] ? __pfx_kthread+0x10/0x10 [ 26.360175] ret_from_fork+0x41/0x80 [ 26.360443] ? __pfx_kthread+0x10/0x10 [ 26.360643] ret_from_fork_asm+0x1a/0x30 [ 26.360846] </TASK> [ 26.360962] [ 26.361186] Allocated by task 219: [ 26.361587] kasan_save_stack+0x3d/0x60 [ 26.362176] kasan_save_track+0x18/0x40 [ 26.362866] kasan_save_alloc_info+0x3b/0x50 [ 26.363466] __kasan_slab_alloc+0x91/0xa0 [ 26.363837] kmem_cache_alloc_noprof+0x11e/0x3e0 [ 26.364468] kmem_cache_invalid_free+0x158/0x470 [ 26.365187] kunit_try_run_case+0x1b3/0x490 [ 26.365488] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 26.366275] kthread+0x257/0x310 [ 26.366728] ret_from_fork+0x41/0x80 [ 26.367505] ret_from_fork_asm+0x1a/0x30 [ 26.368185] [ 26.368438] The buggy address belongs to the object at ffff888102a52000 [ 26.368438] which belongs to the cache test_cache of size 200 [ 26.369613] The buggy address is located 1 bytes inside of [ 26.369613] 200-byte region [ffff888102a52000, ffff888102a520c8) [ 26.370669] [ 26.371133] The buggy address belongs to the physical page: [ 26.371710] page: refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x102a52 [ 26.373030] flags: 0x200000000000000(node=0|zone=2) [ 26.373716] page_type: f5(slab) [ 26.374399] raw: 0200000000000000 ffff88810166ab40 dead000000000122 0000000000000000 [ 26.375522] raw: 0000000000000000 00000000800f000f 00000001f5000000 0000000000000000 [ 26.376578] page dumped because: kasan: bad access detected [ 26.377068] [ 26.377259] Memory state around the buggy address: [ 26.377673] ffff888102a51f00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 26.378691] ffff888102a51f80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 26.379457] >ffff888102a52000: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 26.380355] ^ [ 26.380823] ffff888102a52080: 00 00 00 00 00 00 00 00 00 fc fc fc fc fc fc fc [ 26.381644] ffff888102a52100: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 26.382483] ==================================================================