Date
Dec. 6, 2024, 3:11 p.m.
| Environment | |
|---|---|
| qemu-arm64 | |
| qemu-x86_64 |
[ 32.341161] ================================================================== [ 32.342090] BUG: KASAN: double-free in kmem_cache_double_free+0x190/0x3c8 [ 32.343525] Free of addr fff00000c6725000 by task kunit_try_catch/198 [ 32.344395] [ 32.345425] CPU: 0 UID: 0 PID: 198 Comm: kunit_try_catch Tainted: G B N 6.13.0-rc1-next-20241206 #1 [ 32.346461] Tainted: [B]=BAD_PAGE, [N]=TEST [ 32.347433] Hardware name: linux,dummy-virt (DT) [ 32.348250] Call trace: [ 32.348939] show_stack+0x20/0x38 (C) [ 32.349603] dump_stack_lvl+0x8c/0xd0 [ 32.350438] print_report+0x118/0x5e0 [ 32.351051] kasan_report_invalid_free+0xb0/0xd8 [ 32.351704] check_slab_allocation+0xd4/0x108 [ 32.352325] __kasan_slab_pre_free+0x2c/0x48 [ 32.352941] kmem_cache_free+0xf0/0x470 [ 32.353543] kmem_cache_double_free+0x190/0x3c8 [ 32.354228] kunit_try_run_case+0x14c/0x3d0 [ 32.355164] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 32.355777] kthread+0x24c/0x2d0 [ 32.356252] ret_from_fork+0x10/0x20 [ 32.357068] [ 32.357543] Allocated by task 198: [ 32.358208] kasan_save_stack+0x3c/0x68 [ 32.359128] kasan_save_track+0x20/0x40 [ 32.359768] kasan_save_alloc_info+0x40/0x58 [ 32.360449] __kasan_slab_alloc+0xa8/0xb0 [ 32.361063] kmem_cache_alloc_noprof+0x108/0x398 [ 32.361761] kmem_cache_double_free+0x12c/0x3c8 [ 32.362571] kunit_try_run_case+0x14c/0x3d0 [ 32.363472] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 32.364076] kthread+0x24c/0x2d0 [ 32.364765] ret_from_fork+0x10/0x20 [ 32.365369] [ 32.365894] Freed by task 198: [ 32.366485] kasan_save_stack+0x3c/0x68 [ 32.367352] kasan_save_track+0x20/0x40 [ 32.368034] kasan_save_free_info+0x4c/0x78 [ 32.368779] __kasan_slab_free+0x6c/0x98 [ 32.369404] kmem_cache_free+0x118/0x470 [ 32.370151] kmem_cache_double_free+0x140/0x3c8 [ 32.371147] kunit_try_run_case+0x14c/0x3d0 [ 32.371775] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 32.372920] kthread+0x24c/0x2d0 [ 32.373620] ret_from_fork+0x10/0x20 [ 32.374419] [ 32.375209] The buggy address belongs to the object at fff00000c6725000 [ 32.375209] which belongs to the cache test_cache of size 200 [ 32.376713] The buggy address is located 0 bytes inside of [ 32.376713] 200-byte region [fff00000c6725000, fff00000c67250c8) [ 32.377837] [ 32.378237] The buggy address belongs to the physical page: [ 32.379331] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x106725 [ 32.380375] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff) [ 32.381391] page_type: f5(slab) [ 32.381978] raw: 0bfffe0000000000 fff00000c5b4c140 dead000000000122 0000000000000000 [ 32.383395] raw: 0000000000000000 00000000800f000f 00000000f5000000 0000000000000000 [ 32.384548] page dumped because: kasan: bad access detected [ 32.385167] [ 32.385541] Memory state around the buggy address: [ 32.386235] fff00000c6724f00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 32.387008] fff00000c6724f80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 32.387905] >fff00000c6725000: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 32.388857] ^ [ 32.389399] fff00000c6725080: fb fb fb fb fb fb fb fb fb fc fc fc fc fc fc fc [ 32.390077] fff00000c6725100: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 32.390727] ==================================================================
[ 25.091200] ================================================================== [ 25.092548] BUG: KASAN: double-free in kmem_cache_double_free+0x1e6/0x490 [ 25.093356] Free of addr ffff88810247b000 by task kunit_try_catch/217 [ 25.093619] [ 25.093739] CPU: 1 UID: 0 PID: 217 Comm: kunit_try_catch Tainted: G B N 6.13.0-rc1-next-20241206 #1 [ 25.094360] Tainted: [B]=BAD_PAGE, [N]=TEST [ 25.095957] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 25.096992] Call Trace: [ 25.097457] <TASK> [ 25.097713] dump_stack_lvl+0x73/0xb0 [ 25.098261] print_report+0xd1/0x640 [ 25.098637] ? __virt_addr_valid+0x1db/0x2d0 [ 25.098971] ? kmem_cache_double_free+0x1e6/0x490 [ 25.099638] ? kasan_complete_mode_report_info+0x64/0x200 [ 25.100366] ? kmem_cache_double_free+0x1e6/0x490 [ 25.101043] kasan_report_invalid_free+0xc0/0xf0 [ 25.101913] ? kmem_cache_double_free+0x1e6/0x490 [ 25.102757] ? kmem_cache_double_free+0x1e6/0x490 [ 25.103299] check_slab_allocation+0x101/0x130 [ 25.103786] __kasan_slab_pre_free+0x28/0x40 [ 25.104565] kmem_cache_free+0xee/0x420 [ 25.105207] ? kmem_cache_alloc_noprof+0x11e/0x3e0 [ 25.105687] ? kmem_cache_double_free+0x1e6/0x490 [ 25.106120] kmem_cache_double_free+0x1e6/0x490 [ 25.106672] ? __pfx_kmem_cache_double_free+0x10/0x10 [ 25.107387] ? finish_task_switch.isra.0+0x153/0x700 [ 25.107889] ? __switch_to+0x5d9/0xf60 [ 25.108476] ? __pfx_read_tsc+0x10/0x10 [ 25.109146] ? ktime_get_ts64+0x86/0x230 [ 25.109601] kunit_try_run_case+0x1b3/0x490 [ 25.110135] ? __pfx_kunit_try_run_case+0x10/0x10 [ 25.110713] ? _raw_spin_lock_irqsave+0xa2/0x110 [ 25.111355] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 25.111977] ? __kthread_parkme+0x82/0x160 [ 25.112642] ? preempt_count_sub+0x50/0x80 [ 25.113181] ? __pfx_kunit_try_run_case+0x10/0x10 [ 25.113752] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 25.114525] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 25.115260] kthread+0x257/0x310 [ 25.115647] ? __pfx_kthread+0x10/0x10 [ 25.116183] ret_from_fork+0x41/0x80 [ 25.116664] ? __pfx_kthread+0x10/0x10 [ 25.117286] ret_from_fork_asm+0x1a/0x30 [ 25.117665] </TASK> [ 25.118156] [ 25.118357] Allocated by task 217: [ 25.118839] kasan_save_stack+0x3d/0x60 [ 25.119330] kasan_save_track+0x18/0x40 [ 25.119884] kasan_save_alloc_info+0x3b/0x50 [ 25.120303] __kasan_slab_alloc+0x91/0xa0 [ 25.120859] kmem_cache_alloc_noprof+0x11e/0x3e0 [ 25.121357] kmem_cache_double_free+0x150/0x490 [ 25.122044] kunit_try_run_case+0x1b3/0x490 [ 25.122422] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 25.123208] kthread+0x257/0x310 [ 25.123542] ret_from_fork+0x41/0x80 [ 25.123987] ret_from_fork_asm+0x1a/0x30 [ 25.124604] [ 25.124779] Freed by task 217: [ 25.125308] kasan_save_stack+0x3d/0x60 [ 25.125724] kasan_save_track+0x18/0x40 [ 25.126339] kasan_save_free_info+0x3f/0x60 [ 25.126907] __kasan_slab_free+0x56/0x70 [ 25.127364] kmem_cache_free+0x120/0x420 [ 25.127730] kmem_cache_double_free+0x16b/0x490 [ 25.128331] kunit_try_run_case+0x1b3/0x490 [ 25.128644] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 25.129365] kthread+0x257/0x310 [ 25.129683] ret_from_fork+0x41/0x80 [ 25.130219] ret_from_fork_asm+0x1a/0x30 [ 25.130794] [ 25.130975] The buggy address belongs to the object at ffff88810247b000 [ 25.130975] which belongs to the cache test_cache of size 200 [ 25.132351] The buggy address is located 0 bytes inside of [ 25.132351] 200-byte region [ffff88810247b000, ffff88810247b0c8) [ 25.133436] [ 25.133727] The buggy address belongs to the physical page: [ 25.134320] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x10247b [ 25.135264] flags: 0x200000000000000(node=0|zone=2) [ 25.135791] page_type: f5(slab) [ 25.136380] raw: 0200000000000000 ffff888101116780 dead000000000122 0000000000000000 [ 25.137048] raw: 0000000000000000 00000000800f000f 00000000f5000000 0000000000000000 [ 25.137882] page dumped because: kasan: bad access detected [ 25.138492] [ 25.138708] Memory state around the buggy address: [ 25.139292] ffff88810247af00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 25.140000] ffff88810247af80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 25.140747] >ffff88810247b000: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 25.141461] ^ [ 25.141845] ffff88810247b080: fb fb fb fb fb fb fb fb fb fc fc fc fc fc fc fc [ 25.142707] ffff88810247b100: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 25.143388] ==================================================================