Date
Dec. 4, 2024, 3:07 p.m.
| Environment | |
|---|---|
| qemu-arm64 | |
| qemu-x86_64 |
[ 33.389694] ================================================================== [ 33.391375] BUG: KASAN: invalid-free in kmem_cache_invalid_free+0x184/0x3b8 [ 33.392352] Free of addr fff00000c66ad001 by task kunit_try_catch/199 [ 33.393038] [ 33.393470] CPU: 1 UID: 0 PID: 199 Comm: kunit_try_catch Tainted: G B N 6.13.0-rc1-next-20241204 #1 [ 33.395170] Tainted: [B]=BAD_PAGE, [N]=TEST [ 33.395782] Hardware name: linux,dummy-virt (DT) [ 33.396345] Call trace: [ 33.396794] show_stack+0x20/0x38 (C) [ 33.397522] dump_stack_lvl+0x8c/0xd0 [ 33.398476] print_report+0x118/0x5e0 [ 33.399094] kasan_report_invalid_free+0xb0/0xd8 [ 33.399736] check_slab_allocation+0xfc/0x108 [ 33.400480] __kasan_slab_pre_free+0x2c/0x48 [ 33.401015] kmem_cache_free+0xf0/0x470 [ 33.401778] kmem_cache_invalid_free+0x184/0x3b8 [ 33.402462] kunit_try_run_case+0x14c/0x3d0 [ 33.403150] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 33.403852] kthread+0x24c/0x2d0 [ 33.404499] ret_from_fork+0x10/0x20 [ 33.405292] [ 33.405613] Allocated by task 199: [ 33.407076] kasan_save_stack+0x3c/0x68 [ 33.407383] kasan_save_track+0x20/0x40 [ 33.407711] kasan_save_alloc_info+0x40/0x58 [ 33.408538] __kasan_slab_alloc+0xa8/0xb0 [ 33.409255] kmem_cache_alloc_noprof+0x108/0x398 [ 33.409906] kmem_cache_invalid_free+0x12c/0x3b8 [ 33.411174] kunit_try_run_case+0x14c/0x3d0 [ 33.411600] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 33.412463] kthread+0x24c/0x2d0 [ 33.413246] ret_from_fork+0x10/0x20 [ 33.414075] [ 33.414697] The buggy address belongs to the object at fff00000c66ad000 [ 33.414697] which belongs to the cache test_cache of size 200 [ 33.416492] The buggy address is located 1 bytes inside of [ 33.416492] 200-byte region [fff00000c66ad000, fff00000c66ad0c8) [ 33.417494] [ 33.417970] The buggy address belongs to the physical page: [ 33.419387] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1066ad [ 33.420911] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff) [ 33.421641] page_type: f5(slab) [ 33.422492] raw: 0bfffe0000000000 fff00000c5699c80 dead000000000122 0000000000000000 [ 33.424023] raw: 0000000000000000 00000000800f000f 00000000f5000000 0000000000000000 [ 33.425297] page dumped because: kasan: bad access detected [ 33.426028] [ 33.426350] Memory state around the buggy address: [ 33.427830] fff00000c66acf00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 33.428982] fff00000c66acf80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 33.429573] >fff00000c66ad000: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 33.430818] ^ [ 33.431305] fff00000c66ad080: 00 00 00 00 00 00 00 00 00 fc fc fc fc fc fc fc [ 33.432266] fff00000c66ad100: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 33.433124] ==================================================================
[ 24.183733] ================================================================== [ 24.185847] BUG: KASAN: invalid-free in kmem_cache_invalid_free+0x1d9/0x470 [ 24.186890] Free of addr ffff888101af4001 by task kunit_try_catch/219 [ 24.187967] [ 24.188192] CPU: 0 UID: 0 PID: 219 Comm: kunit_try_catch Tainted: G B N 6.13.0-rc1-next-20241204 #1 [ 24.190155] Tainted: [B]=BAD_PAGE, [N]=TEST [ 24.190810] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 24.191516] Call Trace: [ 24.191767] <TASK> [ 24.192813] dump_stack_lvl+0x73/0xb0 [ 24.193139] print_report+0xd1/0x640 [ 24.194324] ? __virt_addr_valid+0x1db/0x2d0 [ 24.195056] ? kmem_cache_invalid_free+0x1d9/0x470 [ 24.195772] ? kasan_complete_mode_report_info+0x2a/0x200 [ 24.196280] ? kmem_cache_invalid_free+0x1d9/0x470 [ 24.196739] kasan_report_invalid_free+0xc0/0xf0 [ 24.197220] ? kmem_cache_invalid_free+0x1d9/0x470 [ 24.197624] ? kmem_cache_invalid_free+0x1d9/0x470 [ 24.198628] check_slab_allocation+0x11f/0x130 [ 24.199175] __kasan_slab_pre_free+0x28/0x40 [ 24.199758] kmem_cache_free+0xee/0x420 [ 24.200652] ? kmem_cache_alloc_noprof+0x11e/0x3e0 [ 24.201150] ? kmem_cache_invalid_free+0x1d9/0x470 [ 24.201822] kmem_cache_invalid_free+0x1d9/0x470 [ 24.202592] ? __pfx_kmem_cache_invalid_free+0x10/0x10 [ 24.203103] ? finish_task_switch.isra.0+0x153/0x700 [ 24.203790] ? __switch_to+0x5d9/0xf60 [ 24.204430] ? __pfx_read_tsc+0x10/0x10 [ 24.204914] ? ktime_get_ts64+0x86/0x230 [ 24.205714] kunit_try_run_case+0x1b3/0x490 [ 24.206301] ? __pfx_kunit_try_run_case+0x10/0x10 [ 24.206917] ? _raw_spin_lock_irqsave+0xa2/0x110 [ 24.207617] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 24.208139] ? __kthread_parkme+0x82/0x160 [ 24.208828] ? preempt_count_sub+0x50/0x80 [ 24.209366] ? __pfx_kunit_try_run_case+0x10/0x10 [ 24.209952] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 24.210798] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 24.211604] kthread+0x257/0x310 [ 24.212075] ? __pfx_kthread+0x10/0x10 [ 24.212426] ret_from_fork+0x41/0x80 [ 24.212836] ? __pfx_kthread+0x10/0x10 [ 24.213338] ret_from_fork_asm+0x1a/0x30 [ 24.213786] </TASK> [ 24.214407] [ 24.214592] Allocated by task 219: [ 24.214955] kasan_save_stack+0x3d/0x60 [ 24.215443] kasan_save_track+0x18/0x40 [ 24.215982] kasan_save_alloc_info+0x3b/0x50 [ 24.217407] __kasan_slab_alloc+0x91/0xa0 [ 24.217807] kmem_cache_alloc_noprof+0x11e/0x3e0 [ 24.218254] kmem_cache_invalid_free+0x158/0x470 [ 24.219959] kunit_try_run_case+0x1b3/0x490 [ 24.220529] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 24.221515] kthread+0x257/0x310 [ 24.222140] ret_from_fork+0x41/0x80 [ 24.222480] ret_from_fork_asm+0x1a/0x30 [ 24.223172] [ 24.223452] The buggy address belongs to the object at ffff888101af4000 [ 24.223452] which belongs to the cache test_cache of size 200 [ 24.224704] The buggy address is located 1 bytes inside of [ 24.224704] 200-byte region [ffff888101af4000, ffff888101af40c8) [ 24.226572] [ 24.227211] The buggy address belongs to the physical page: [ 24.228034] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x101af4 [ 24.229305] flags: 0x200000000000000(node=0|zone=2) [ 24.229910] page_type: f5(slab) [ 24.230517] raw: 0200000000000000 ffff888101a9c640 dead000000000122 0000000000000000 [ 24.231509] raw: 0000000000000000 00000000800f000f 00000000f5000000 0000000000000000 [ 24.232792] page dumped because: kasan: bad access detected [ 24.233551] [ 24.234048] Memory state around the buggy address: [ 24.234779] ffff888101af3f00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 24.236340] ffff888101af3f80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 24.237123] >ffff888101af4000: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 24.237851] ^ [ 24.238488] ffff888101af4080: 00 00 00 00 00 00 00 00 00 fc fc fc fc fc fc fc [ 24.239212] ffff888101af4100: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 24.239850] ==================================================================