Date
Nov. 22, 2024, 6:35 a.m.
| Environment | |
|---|---|
| qemu-arm64 | |
| qemu-x86_64 |
[ 35.183521] ================================================================== [ 35.185553] BUG: KASAN: invalid-free in kmem_cache_invalid_free+0x184/0x3b8 [ 35.187228] Free of addr fff00000c6afa001 by task kunit_try_catch/200 [ 35.189099] [ 35.189937] CPU: 0 UID: 0 PID: 200 Comm: kunit_try_catch Tainted: G B N 6.12.0-next-20241122 #1 [ 35.191151] Tainted: [B]=BAD_PAGE, [N]=TEST [ 35.191831] Hardware name: linux,dummy-virt (DT) [ 35.193118] Call trace: [ 35.193600] show_stack+0x20/0x38 (C) [ 35.194278] dump_stack_lvl+0x8c/0xd0 [ 35.195215] print_report+0x118/0x5e0 [ 35.196074] kasan_report_invalid_free+0xb0/0xd8 [ 35.197073] check_slab_allocation+0xfc/0x108 [ 35.198059] __kasan_slab_pre_free+0x2c/0x48 [ 35.199161] kmem_cache_free+0xf0/0x470 [ 35.199883] kmem_cache_invalid_free+0x184/0x3b8 [ 35.200370] kunit_try_run_case+0x14c/0x3d0 [ 35.201275] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 35.202723] kthread+0x24c/0x2d0 [ 35.203330] ret_from_fork+0x10/0x20 [ 35.204183] [ 35.204735] Allocated by task 200: [ 35.205198] kasan_save_stack+0x3c/0x68 [ 35.205922] kasan_save_track+0x20/0x40 [ 35.207204] kasan_save_alloc_info+0x40/0x58 [ 35.207899] __kasan_slab_alloc+0xa8/0xb0 [ 35.209125] kmem_cache_alloc_noprof+0x108/0x3a0 [ 35.209903] kmem_cache_invalid_free+0x12c/0x3b8 [ 35.210963] kunit_try_run_case+0x14c/0x3d0 [ 35.211634] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 35.212903] kthread+0x24c/0x2d0 [ 35.213959] ret_from_fork+0x10/0x20 [ 35.214526] [ 35.214842] The buggy address belongs to the object at fff00000c6afa000 [ 35.214842] which belongs to the cache test_cache of size 200 [ 35.216929] The buggy address is located 1 bytes inside of [ 35.216929] 200-byte region [fff00000c6afa000, fff00000c6afa0c8) [ 35.218656] [ 35.219077] The buggy address belongs to the physical page: [ 35.219934] page: refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x106afa [ 35.221969] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff) [ 35.222717] page_type: f5(slab) [ 35.223409] raw: 0bfffe0000000000 fff00000c408c500 dead000000000122 0000000000000000 [ 35.225423] raw: 0000000000000000 00000000800f000f 00000001f5000000 0000000000000000 [ 35.227104] page dumped because: kasan: bad access detected [ 35.227883] [ 35.228214] Memory state around the buggy address: [ 35.229613] fff00000c6af9f00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 35.230966] fff00000c6af9f80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 35.231751] >fff00000c6afa000: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 35.232329] ^ [ 35.232705] fff00000c6afa080: 00 00 00 00 00 00 00 00 00 fc fc fc fc fc fc fc [ 35.234757] fff00000c6afa100: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 35.235379] ==================================================================
[ 26.328627] ================================================================== [ 26.329763] BUG: KASAN: invalid-free in kmem_cache_invalid_free+0x1d9/0x470 [ 26.330184] Free of addr ffff888101ab5001 by task kunit_try_catch/219 [ 26.330870] [ 26.331119] CPU: 0 UID: 0 PID: 219 Comm: kunit_try_catch Tainted: G B N 6.12.0-next-20241122 #1 [ 26.332947] Tainted: [B]=BAD_PAGE, [N]=TEST [ 26.333201] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 26.333895] Call Trace: [ 26.334278] <TASK> [ 26.334646] dump_stack_lvl+0x73/0xb0 [ 26.335349] print_report+0xd1/0x640 [ 26.336122] ? __virt_addr_valid+0x1db/0x2d0 [ 26.336809] ? kmem_cache_invalid_free+0x1d9/0x470 [ 26.337457] ? kasan_complete_mode_report_info+0x2a/0x200 [ 26.338064] ? kmem_cache_invalid_free+0x1d9/0x470 [ 26.338497] kasan_report_invalid_free+0xc0/0xf0 [ 26.338923] ? kmem_cache_invalid_free+0x1d9/0x470 [ 26.339202] ? kmem_cache_invalid_free+0x1d9/0x470 [ 26.339689] check_slab_allocation+0x11f/0x130 [ 26.341182] __kasan_slab_pre_free+0x28/0x40 [ 26.341683] kmem_cache_free+0xee/0x420 [ 26.341972] ? kmem_cache_alloc_noprof+0x11e/0x3f0 [ 26.342683] ? kmem_cache_invalid_free+0x1d9/0x470 [ 26.344171] kmem_cache_invalid_free+0x1d9/0x470 [ 26.345054] ? __pfx_kmem_cache_invalid_free+0x10/0x10 [ 26.345433] ? finish_task_switch.isra.0+0x153/0x700 [ 26.346284] ? __switch_to+0x5d9/0xf60 [ 26.346680] ? __pfx_read_tsc+0x10/0x10 [ 26.347589] ? ktime_get_ts64+0x84/0x230 [ 26.348491] kunit_try_run_case+0x1b3/0x490 [ 26.348917] ? __pfx_kunit_try_run_case+0x10/0x10 [ 26.349685] ? _raw_spin_lock_irqsave+0xa2/0x110 [ 26.350158] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 26.351226] ? __kthread_parkme+0x82/0x160 [ 26.351603] ? preempt_count_sub+0x50/0x80 [ 26.352060] ? __pfx_kunit_try_run_case+0x10/0x10 [ 26.352786] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 26.353656] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 26.354039] kthread+0x257/0x310 [ 26.354296] ? __pfx_kthread+0x10/0x10 [ 26.355234] ret_from_fork+0x41/0x80 [ 26.355630] ? __pfx_kthread+0x10/0x10 [ 26.356091] ret_from_fork_asm+0x1a/0x30 [ 26.356458] </TASK> [ 26.356693] [ 26.357817] Allocated by task 219: [ 26.358285] kasan_save_stack+0x3d/0x60 [ 26.358648] kasan_save_track+0x18/0x40 [ 26.359576] kasan_save_alloc_info+0x3b/0x50 [ 26.360503] __kasan_slab_alloc+0x91/0xa0 [ 26.360765] kmem_cache_alloc_noprof+0x11e/0x3f0 [ 26.361263] kmem_cache_invalid_free+0x158/0x470 [ 26.362597] kunit_try_run_case+0x1b3/0x490 [ 26.362942] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 26.363565] kthread+0x257/0x310 [ 26.364531] ret_from_fork+0x41/0x80 [ 26.365337] ret_from_fork_asm+0x1a/0x30 [ 26.365886] [ 26.367038] The buggy address belongs to the object at ffff888101ab5000 [ 26.367038] which belongs to the cache test_cache of size 200 [ 26.368308] The buggy address is located 1 bytes inside of [ 26.368308] 200-byte region [ffff888101ab5000, ffff888101ab50c8) [ 26.370219] [ 26.370403] The buggy address belongs to the physical page: [ 26.370747] page: refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x101ab5 [ 26.371947] flags: 0x200000000000000(node=0|zone=2) [ 26.372861] page_type: f5(slab) [ 26.373950] raw: 0200000000000000 ffff888101a67280 dead000000000122 0000000000000000 [ 26.374532] raw: 0000000000000000 00000000800f000f 00000001f5000000 0000000000000000 [ 26.375055] page dumped because: kasan: bad access detected [ 26.376124] [ 26.376302] Memory state around the buggy address: [ 26.376680] ffff888101ab4f00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 26.377009] ffff888101ab4f80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 26.377782] >ffff888101ab5000: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 26.378290] ^ [ 26.379590] ffff888101ab5080: 00 00 00 00 00 00 00 00 00 fc fc fc fc fc fc fc [ 26.379952] ffff888101ab5100: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 26.380988] ==================================================================