Date
Nov. 28, 2024, 2:36 a.m.
| Environment | |
|---|---|
| qemu-arm64 | |
| qemu-x86_64 |
[ 31.768833] ================================================================== [ 31.769891] BUG: KASAN: invalid-free in kmem_cache_invalid_free+0x184/0x3b8 [ 31.770622] Free of addr fff00000c406f001 by task kunit_try_catch/199 [ 31.771270] [ 31.771672] CPU: 0 UID: 0 PID: 199 Comm: kunit_try_catch Tainted: G B N 6.12.0-next-20241128 #1 [ 31.772870] Tainted: [B]=BAD_PAGE, [N]=TEST [ 31.773705] Hardware name: linux,dummy-virt (DT) [ 31.774366] Call trace: [ 31.774822] show_stack+0x20/0x38 (C) [ 31.775437] dump_stack_lvl+0x8c/0xd0 [ 31.776047] print_report+0x118/0x5e0 [ 31.776711] kasan_report_invalid_free+0xb0/0xd8 [ 31.777612] check_slab_allocation+0xfc/0x108 [ 31.778239] __kasan_slab_pre_free+0x2c/0x48 [ 31.778883] kmem_cache_free+0xf0/0x470 [ 31.779453] kmem_cache_invalid_free+0x184/0x3b8 [ 31.780029] kunit_try_run_case+0x14c/0x3d0 [ 31.780632] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 31.781353] kthread+0x24c/0x2d0 [ 31.782129] ret_from_fork+0x10/0x20 [ 31.782649] [ 31.782960] Allocated by task 199: [ 31.783432] kasan_save_stack+0x3c/0x68 [ 31.783969] kasan_save_track+0x20/0x40 [ 31.784470] kasan_save_alloc_info+0x40/0x58 [ 31.785008] __kasan_slab_alloc+0xa8/0xb0 [ 31.785671] kmem_cache_alloc_noprof+0x108/0x398 [ 31.786352] kmem_cache_invalid_free+0x12c/0x3b8 [ 31.787024] kunit_try_run_case+0x14c/0x3d0 [ 31.787699] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 31.788468] kthread+0x24c/0x2d0 [ 31.788972] ret_from_fork+0x10/0x20 [ 31.789748] [ 31.790493] The buggy address belongs to the object at fff00000c406f000 [ 31.790493] which belongs to the cache test_cache of size 200 [ 31.791498] The buggy address is located 1 bytes inside of [ 31.791498] 200-byte region [fff00000c406f000, fff00000c406f0c8) [ 31.792692] [ 31.793069] The buggy address belongs to the physical page: [ 31.794193] page: refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x10406f [ 31.795072] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff) [ 31.795847] page_type: f5(slab) [ 31.796364] raw: 0bfffe0000000000 fff00000ffeca000 dead000000000122 0000000000000000 [ 31.797250] raw: 0000000000000000 00000000800f000f 00000001f5000000 0000000000000000 [ 31.798133] page dumped because: kasan: bad access detected [ 31.798847] [ 31.799210] Memory state around the buggy address: [ 31.799886] fff00000c406ef00: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff [ 31.800676] fff00000c406ef80: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff [ 31.801881] >fff00000c406f000: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 31.802668] ^ [ 31.803202] fff00000c406f080: 00 00 00 00 00 00 00 00 00 fc fc fc fc fc fc fc [ 31.803955] fff00000c406f100: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 31.804636] ==================================================================
[ 22.689460] ================================================================== [ 22.690355] BUG: KASAN: invalid-free in kmem_cache_invalid_free+0x1d9/0x470 [ 22.691066] Free of addr ffff888102a25001 by task kunit_try_catch/219 [ 22.691596] [ 22.691778] CPU: 0 UID: 0 PID: 219 Comm: kunit_try_catch Tainted: G B N 6.12.0-next-20241128 #1 [ 22.692785] Tainted: [B]=BAD_PAGE, [N]=TEST [ 22.693598] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 22.694256] Call Trace: [ 22.694524] <TASK> [ 22.694769] dump_stack_lvl+0x73/0xb0 [ 22.695120] print_report+0xd1/0x640 [ 22.695493] ? __virt_addr_valid+0x1db/0x2d0 [ 22.695809] ? kmem_cache_invalid_free+0x1d9/0x470 [ 22.696524] ? kasan_complete_mode_report_info+0x2a/0x200 [ 22.697654] ? kmem_cache_invalid_free+0x1d9/0x470 [ 22.698427] kasan_report_invalid_free+0xc0/0xf0 [ 22.699128] ? kmem_cache_invalid_free+0x1d9/0x470 [ 22.699837] ? kmem_cache_invalid_free+0x1d9/0x470 [ 22.700617] check_slab_allocation+0x11f/0x130 [ 22.701117] __kasan_slab_pre_free+0x28/0x40 [ 22.701913] kmem_cache_free+0xee/0x420 [ 22.702870] ? kmem_cache_alloc_noprof+0x11e/0x3e0 [ 22.703331] ? kmem_cache_invalid_free+0x1d9/0x470 [ 22.704002] kmem_cache_invalid_free+0x1d9/0x470 [ 22.704535] ? __pfx_kmem_cache_invalid_free+0x10/0x10 [ 22.705300] ? finish_task_switch.isra.0+0x153/0x700 [ 22.705916] ? __switch_to+0x5d9/0xf60 [ 22.706467] ? __pfx_read_tsc+0x10/0x10 [ 22.707005] ? ktime_get_ts64+0x84/0x230 [ 22.707700] kunit_try_run_case+0x1b3/0x490 [ 22.708170] ? __pfx_kunit_try_run_case+0x10/0x10 [ 22.708709] ? _raw_spin_lock_irqsave+0xa2/0x110 [ 22.709215] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 22.709796] ? __kthread_parkme+0x82/0x160 [ 22.710771] ? preempt_count_sub+0x50/0x80 [ 22.711070] ? __pfx_kunit_try_run_case+0x10/0x10 [ 22.711922] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 22.712550] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 22.713177] kthread+0x257/0x310 [ 22.713514] ? __pfx_kthread+0x10/0x10 [ 22.714012] ret_from_fork+0x41/0x80 [ 22.714398] ? __pfx_kthread+0x10/0x10 [ 22.715389] ret_from_fork_asm+0x1a/0x30 [ 22.716003] </TASK> [ 22.716456] [ 22.716683] Allocated by task 219: [ 22.717091] kasan_save_stack+0x3d/0x60 [ 22.717590] kasan_save_track+0x18/0x40 [ 22.717989] kasan_save_alloc_info+0x3b/0x50 [ 22.718416] __kasan_slab_alloc+0x91/0xa0 [ 22.718886] kmem_cache_alloc_noprof+0x11e/0x3e0 [ 22.719454] kmem_cache_invalid_free+0x158/0x470 [ 22.719939] kunit_try_run_case+0x1b3/0x490 [ 22.720437] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 22.720843] kthread+0x257/0x310 [ 22.721244] ret_from_fork+0x41/0x80 [ 22.721644] ret_from_fork_asm+0x1a/0x30 [ 22.722215] [ 22.722472] The buggy address belongs to the object at ffff888102a25000 [ 22.722472] which belongs to the cache test_cache of size 200 [ 22.723378] The buggy address is located 1 bytes inside of [ 22.723378] 200-byte region [ffff888102a25000, ffff888102a250c8) [ 22.724466] [ 22.724742] The buggy address belongs to the physical page: [ 22.725372] page: refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x102a25 [ 22.726144] flags: 0x200000000000000(node=0|zone=2) [ 22.726649] page_type: f5(slab) [ 22.727023] raw: 0200000000000000 ffff888101653b40 dead000000000122 0000000000000000 [ 22.727782] raw: 0000000000000000 00000000800f000f 00000001f5000000 0000000000000000 [ 22.728507] page dumped because: kasan: bad access detected [ 22.728993] [ 22.729251] Memory state around the buggy address: [ 22.729715] ffff888102a24f00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 22.730519] ffff888102a24f80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 22.731181] >ffff888102a25000: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 22.731886] ^ [ 22.732313] ffff888102a25080: 00 00 00 00 00 00 00 00 00 fc fc fc fc fc fc fc [ 22.733050] ffff888102a25100: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 22.733790] ==================================================================