Date
June 17, 2025, 6:35 a.m.
| Environment | |
|---|---|
| qemu-arm64 | |
| qemu-x86_64 |
[ 17.794538] ================================================================== [ 17.794643] BUG: KASAN: invalid-free in kmem_cache_invalid_free+0x184/0x3c8 [ 17.794958] Free of addr fff00000c507a001 by task kunit_try_catch/220 [ 17.795223] [ 17.795464] CPU: 1 UID: 0 PID: 220 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc2-next-20250617 #1 PREEMPT [ 17.795991] Tainted: [B]=BAD_PAGE, [N]=TEST [ 17.796220] Hardware name: linux,dummy-virt (DT) [ 17.796461] Call trace: [ 17.796732] show_stack+0x20/0x38 (C) [ 17.796920] dump_stack_lvl+0x8c/0xd0 [ 17.797095] print_report+0x118/0x608 [ 17.797321] kasan_report_invalid_free+0xc0/0xe8 [ 17.797780] check_slab_allocation+0xfc/0x108 [ 17.797867] __kasan_slab_pre_free+0x2c/0x48 [ 17.798131] kmem_cache_free+0xf0/0x468 [ 17.798321] kmem_cache_invalid_free+0x184/0x3c8 [ 17.798422] kunit_try_run_case+0x170/0x3f0 [ 17.798480] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 17.798787] kthread+0x328/0x630 [ 17.798969] ret_from_fork+0x10/0x20 [ 17.799078] [ 17.799171] Allocated by task 220: [ 17.799228] kasan_save_stack+0x3c/0x68 [ 17.799662] kasan_save_track+0x20/0x40 [ 17.799750] kasan_save_alloc_info+0x40/0x58 [ 17.800084] __kasan_slab_alloc+0xa8/0xb0 [ 17.800232] kmem_cache_alloc_noprof+0x10c/0x398 [ 17.800319] kmem_cache_invalid_free+0x12c/0x3c8 [ 17.800746] kunit_try_run_case+0x170/0x3f0 [ 17.800835] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 17.800990] kthread+0x328/0x630 [ 17.801028] ret_from_fork+0x10/0x20 [ 17.801099] [ 17.801243] The buggy address belongs to the object at fff00000c507a000 [ 17.801243] which belongs to the cache test_cache of size 200 [ 17.801464] The buggy address is located 1 bytes inside of [ 17.801464] 200-byte region [fff00000c507a000, fff00000c507a0c8) [ 17.801585] [ 17.801704] The buggy address belongs to the physical page: [ 17.801753] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x10507a [ 17.801848] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff) [ 17.802190] page_type: f5(slab) [ 17.802373] raw: 0bfffe0000000000 fff00000c115d780 dead000000000122 0000000000000000 [ 17.802657] raw: 0000000000000000 00000000800f000f 00000000f5000000 0000000000000000 [ 17.802747] page dumped because: kasan: bad access detected [ 17.802885] [ 17.802936] Memory state around the buggy address: [ 17.802986] fff00000c5079f00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 17.803213] fff00000c5079f80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 17.803367] >fff00000c507a000: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 17.803938] ^ [ 17.804120] fff00000c507a080: 00 00 00 00 00 00 00 00 00 fc fc fc fc fc fc fc [ 17.804196] fff00000c507a100: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 17.804643] ==================================================================
[ 19.165530] ================================================================== [ 19.166354] BUG: KASAN: invalid-free in kmem_cache_invalid_free+0x1d8/0x460 [ 19.166943] Free of addr ffff8881033aa001 by task kunit_try_catch/238 [ 19.167421] [ 19.167649] CPU: 0 UID: 0 PID: 238 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc2-next-20250617 #1 PREEMPT(voluntary) [ 19.167776] Tainted: [B]=BAD_PAGE, [N]=TEST [ 19.167812] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 19.167923] Call Trace: [ 19.167962] <TASK> [ 19.168014] dump_stack_lvl+0x73/0xb0 [ 19.168098] print_report+0xd1/0x650 [ 19.168171] ? __virt_addr_valid+0x1db/0x2d0 [ 19.168294] ? kasan_complete_mode_report_info+0x2a/0x200 [ 19.168370] ? kmem_cache_invalid_free+0x1d8/0x460 [ 19.168443] kasan_report_invalid_free+0x10a/0x130 [ 19.168507] ? kmem_cache_invalid_free+0x1d8/0x460 [ 19.168576] ? kmem_cache_invalid_free+0x1d8/0x460 [ 19.168640] check_slab_allocation+0x11f/0x130 [ 19.168698] __kasan_slab_pre_free+0x28/0x40 [ 19.168755] kmem_cache_free+0xed/0x420 [ 19.168811] ? kmem_cache_alloc_noprof+0x123/0x3f0 [ 19.168890] ? kmem_cache_invalid_free+0x1d8/0x460 [ 19.168961] kmem_cache_invalid_free+0x1d8/0x460 [ 19.169028] ? __pfx_kmem_cache_invalid_free+0x10/0x10 [ 19.169084] ? finish_task_switch.isra.0+0x153/0x700 [ 19.169143] ? __switch_to+0x47/0xf50 [ 19.169256] ? __pfx_read_tsc+0x10/0x10 [ 19.169329] ? ktime_get_ts64+0x86/0x230 [ 19.169405] kunit_try_run_case+0x1a5/0x480 [ 19.169487] ? __pfx_kunit_try_run_case+0x10/0x10 [ 19.169555] ? _raw_spin_lock_irqsave+0xa1/0x100 [ 19.169624] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 19.169707] ? __kthread_parkme+0x82/0x180 [ 19.169776] ? preempt_count_sub+0x50/0x80 [ 19.169863] ? __pfx_kunit_try_run_case+0x10/0x10 [ 19.169938] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 19.170009] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 19.170080] kthread+0x337/0x6f0 [ 19.170142] ? trace_preempt_on+0x20/0xc0 [ 19.170256] ? __pfx_kthread+0x10/0x10 [ 19.170326] ? _raw_spin_unlock_irq+0x47/0x80 [ 19.170395] ? calculate_sigpending+0x7b/0xa0 [ 19.170462] ? __pfx_kthread+0x10/0x10 [ 19.170529] ret_from_fork+0x116/0x1d0 [ 19.170593] ? __pfx_kthread+0x10/0x10 [ 19.170662] ret_from_fork_asm+0x1a/0x30 [ 19.170754] </TASK> [ 19.170790] [ 19.187506] Allocated by task 238: [ 19.187802] kasan_save_stack+0x45/0x70 [ 19.188366] kasan_save_track+0x18/0x40 [ 19.188696] kasan_save_alloc_info+0x3b/0x50 [ 19.189115] __kasan_slab_alloc+0x91/0xa0 [ 19.189640] kmem_cache_alloc_noprof+0x123/0x3f0 [ 19.190047] kmem_cache_invalid_free+0x157/0x460 [ 19.190825] kunit_try_run_case+0x1a5/0x480 [ 19.191170] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 19.191643] kthread+0x337/0x6f0 [ 19.191995] ret_from_fork+0x116/0x1d0 [ 19.192307] ret_from_fork_asm+0x1a/0x30 [ 19.192628] [ 19.192991] The buggy address belongs to the object at ffff8881033aa000 [ 19.192991] which belongs to the cache test_cache of size 200 [ 19.193991] The buggy address is located 1 bytes inside of [ 19.193991] 200-byte region [ffff8881033aa000, ffff8881033aa0c8) [ 19.195021] [ 19.195359] The buggy address belongs to the physical page: [ 19.195863] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1033aa [ 19.196699] flags: 0x200000000000000(node=0|zone=2) [ 19.197196] page_type: f5(slab) [ 19.197680] raw: 0200000000000000 ffff8881017f1280 dead000000000122 0000000000000000 [ 19.198251] raw: 0000000000000000 00000000800f000f 00000000f5000000 0000000000000000 [ 19.199133] page dumped because: kasan: bad access detected [ 19.199719] [ 19.199912] Memory state around the buggy address: [ 19.200403] ffff8881033a9f00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 19.200952] ffff8881033a9f80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 19.201527] >ffff8881033aa000: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 19.202100] ^ [ 19.202419] ffff8881033aa080: 00 00 00 00 00 00 00 00 00 fc fc fc fc fc fc fc [ 19.203024] ffff8881033aa100: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 19.203570] ==================================================================