Date
Dec. 5, 2024, 2:07 p.m.
| Environment | |
|---|---|
| qemu-arm64 | |
| qemu-x86_64 |
[ 31.339085] ================================================================== [ 31.341487] BUG: KASAN: invalid-free in kmem_cache_invalid_free+0x184/0x3b8 [ 31.342174] Free of addr fff00000c63bc001 by task kunit_try_catch/200 [ 31.343120] [ 31.344348] CPU: 0 UID: 0 PID: 200 Comm: kunit_try_catch Tainted: G B N 6.13.0-rc1-next-20241205 #1 [ 31.345205] Tainted: [B]=BAD_PAGE, [N]=TEST [ 31.346388] Hardware name: linux,dummy-virt (DT) [ 31.347675] Call trace: [ 31.348418] show_stack+0x20/0x38 (C) [ 31.348733] dump_stack_lvl+0x8c/0xd0 [ 31.349129] print_report+0x118/0x5e0 [ 31.349672] kasan_report_invalid_free+0xb0/0xd8 [ 31.350533] check_slab_allocation+0xfc/0x108 [ 31.351212] __kasan_slab_pre_free+0x2c/0x48 [ 31.352102] kmem_cache_free+0xf0/0x470 [ 31.352971] kmem_cache_invalid_free+0x184/0x3b8 [ 31.353754] kunit_try_run_case+0x14c/0x3d0 [ 31.354491] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 31.355442] kthread+0x24c/0x2d0 [ 31.356412] ret_from_fork+0x10/0x20 [ 31.356945] [ 31.357338] Allocated by task 200: [ 31.357817] kasan_save_stack+0x3c/0x68 [ 31.358390] kasan_save_track+0x20/0x40 [ 31.359053] kasan_save_alloc_info+0x40/0x58 [ 31.359974] __kasan_slab_alloc+0xa8/0xb0 [ 31.360562] kmem_cache_alloc_noprof+0x108/0x398 [ 31.361246] kmem_cache_invalid_free+0x12c/0x3b8 [ 31.361858] kunit_try_run_case+0x14c/0x3d0 [ 31.362445] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 31.363219] kthread+0x24c/0x2d0 [ 31.363726] ret_from_fork+0x10/0x20 [ 31.364272] [ 31.364562] The buggy address belongs to the object at fff00000c63bc000 [ 31.364562] which belongs to the cache test_cache of size 200 [ 31.366551] The buggy address is located 1 bytes inside of [ 31.366551] 200-byte region [fff00000c63bc000, fff00000c63bc0c8) [ 31.368128] [ 31.368624] The buggy address belongs to the physical page: [ 31.369528] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1063bc [ 31.370438] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff) [ 31.371489] page_type: f5(slab) [ 31.372379] raw: 0bfffe0000000000 fff00000c56a0b40 dead000000000122 0000000000000000 [ 31.373161] raw: 0000000000000000 00000000800f000f 00000000f5000000 0000000000000000 [ 31.374072] page dumped because: kasan: bad access detected [ 31.374782] [ 31.375140] Memory state around the buggy address: [ 31.376077] fff00000c63bbf00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 31.377018] fff00000c63bbf80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 31.378014] >fff00000c63bc000: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 31.378933] ^ [ 31.379367] fff00000c63bc080: 00 00 00 00 00 00 00 00 00 fc fc fc fc fc fc fc [ 31.380840] fff00000c63bc100: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 31.381698] ==================================================================
[ 29.173351] ================================================================== [ 29.174915] BUG: KASAN: invalid-free in kmem_cache_invalid_free+0x1d9/0x470 [ 29.175901] Free of addr ffff888102a06001 by task kunit_try_catch/218 [ 29.176476] [ 29.176801] CPU: 1 UID: 0 PID: 218 Comm: kunit_try_catch Tainted: G B N 6.13.0-rc1-next-20241205 #1 [ 29.177613] Tainted: [B]=BAD_PAGE, [N]=TEST [ 29.177907] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 29.179307] Call Trace: [ 29.179766] <TASK> [ 29.180072] dump_stack_lvl+0x73/0xb0 [ 29.180588] print_report+0xd1/0x640 [ 29.181180] ? __virt_addr_valid+0x1db/0x2d0 [ 29.181864] ? kmem_cache_invalid_free+0x1d9/0x470 [ 29.182921] ? kasan_complete_mode_report_info+0x2a/0x200 [ 29.183881] ? kmem_cache_invalid_free+0x1d9/0x470 [ 29.184622] kasan_report_invalid_free+0xc0/0xf0 [ 29.185540] ? kmem_cache_invalid_free+0x1d9/0x470 [ 29.186276] ? kmem_cache_invalid_free+0x1d9/0x470 [ 29.186656] check_slab_allocation+0x11f/0x130 [ 29.187263] __kasan_slab_pre_free+0x28/0x40 [ 29.187716] kmem_cache_free+0xee/0x420 [ 29.188555] ? kmem_cache_alloc_noprof+0x11e/0x3e0 [ 29.189103] ? kmem_cache_invalid_free+0x1d9/0x470 [ 29.189676] kmem_cache_invalid_free+0x1d9/0x470 [ 29.190369] ? __pfx_kmem_cache_invalid_free+0x10/0x10 [ 29.191126] ? finish_task_switch.isra.0+0x153/0x700 [ 29.191573] ? __switch_to+0x5d9/0xf60 [ 29.192354] ? __pfx_read_tsc+0x10/0x10 [ 29.192770] ? ktime_get_ts64+0x86/0x230 [ 29.193332] kunit_try_run_case+0x1b3/0x490 [ 29.193741] ? __pfx_kunit_try_run_case+0x10/0x10 [ 29.194349] ? _raw_spin_lock_irqsave+0xa2/0x110 [ 29.194826] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 29.195310] ? __kthread_parkme+0x82/0x160 [ 29.195758] ? preempt_count_sub+0x50/0x80 [ 29.196336] ? __pfx_kunit_try_run_case+0x10/0x10 [ 29.197390] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 29.198125] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 29.198677] kthread+0x257/0x310 [ 29.199243] ? __pfx_kthread+0x10/0x10 [ 29.199667] ret_from_fork+0x41/0x80 [ 29.200470] ? __pfx_kthread+0x10/0x10 [ 29.200974] ret_from_fork_asm+0x1a/0x30 [ 29.201585] </TASK> [ 29.202149] [ 29.202455] Allocated by task 218: [ 29.202844] kasan_save_stack+0x3d/0x60 [ 29.203449] kasan_save_track+0x18/0x40 [ 29.203918] kasan_save_alloc_info+0x3b/0x50 [ 29.204798] __kasan_slab_alloc+0x91/0xa0 [ 29.205426] kmem_cache_alloc_noprof+0x11e/0x3e0 [ 29.205739] kmem_cache_invalid_free+0x158/0x470 [ 29.206438] kunit_try_run_case+0x1b3/0x490 [ 29.207280] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 29.208017] kthread+0x257/0x310 [ 29.208952] ret_from_fork+0x41/0x80 [ 29.209462] ret_from_fork_asm+0x1a/0x30 [ 29.209882] [ 29.210214] The buggy address belongs to the object at ffff888102a06000 [ 29.210214] which belongs to the cache test_cache of size 200 [ 29.212514] The buggy address is located 1 bytes inside of [ 29.212514] 200-byte region [ffff888102a06000, ffff888102a060c8) [ 29.214502] [ 29.214844] The buggy address belongs to the physical page: [ 29.215591] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x102a06 [ 29.216230] flags: 0x200000000000000(node=0|zone=2) [ 29.216636] page_type: f5(slab) [ 29.217365] raw: 0200000000000000 ffff888101d40780 dead000000000122 0000000000000000 [ 29.217666] raw: 0000000000000000 00000000800f000f 00000000f5000000 0000000000000000 [ 29.218460] page dumped because: kasan: bad access detected [ 29.219265] [ 29.219453] Memory state around the buggy address: [ 29.220071] ffff888102a05f00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 29.221004] ffff888102a05f80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 29.221752] >ffff888102a06000: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 29.222367] ^ [ 29.222943] ffff888102a06080: 00 00 00 00 00 00 00 00 00 fc fc fc fc fc fc fc [ 29.223669] ffff888102a06100: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 29.224402] ==================================================================