Date
July 1, 2025, 11:08 a.m.
| Environment | |
|---|---|
| qemu-arm64 | |
| qemu-x86_64 |
[ 19.112958] ================================================================== [ 19.113066] BUG: KASAN: invalid-free in kmem_cache_invalid_free+0x184/0x3c8 [ 19.113186] Free of addr fff00000c7716001 by task kunit_try_catch/212 [ 19.113235] [ 19.113644] CPU: 1 UID: 0 PID: 212 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc4 #1 PREEMPT [ 19.114201] Tainted: [B]=BAD_PAGE, [N]=TEST [ 19.114312] Hardware name: linux,dummy-virt (DT) [ 19.114466] Call trace: [ 19.114502] show_stack+0x20/0x38 (C) [ 19.114614] dump_stack_lvl+0x8c/0xd0 [ 19.114696] print_report+0x118/0x608 [ 19.114746] kasan_report_invalid_free+0xc0/0xe8 [ 19.115244] check_slab_allocation+0xfc/0x108 [ 19.115300] __kasan_slab_pre_free+0x2c/0x48 [ 19.115354] kmem_cache_free+0xf0/0x468 [ 19.115419] kmem_cache_invalid_free+0x184/0x3c8 [ 19.115582] kunit_try_run_case+0x170/0x3f0 [ 19.115637] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 19.115735] kthread+0x328/0x630 [ 19.115785] ret_from_fork+0x10/0x20 [ 19.116026] [ 19.116050] Allocated by task 212: [ 19.116094] kasan_save_stack+0x3c/0x68 [ 19.116218] kasan_save_track+0x20/0x40 [ 19.116317] kasan_save_alloc_info+0x40/0x58 [ 19.116426] __kasan_slab_alloc+0xa8/0xb0 [ 19.116561] kmem_cache_alloc_noprof+0x10c/0x398 [ 19.116630] kmem_cache_invalid_free+0x12c/0x3c8 [ 19.116723] kunit_try_run_case+0x170/0x3f0 [ 19.116814] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 19.116885] kthread+0x328/0x630 [ 19.116920] ret_from_fork+0x10/0x20 [ 19.116961] [ 19.116983] The buggy address belongs to the object at fff00000c7716000 [ 19.116983] which belongs to the cache test_cache of size 200 [ 19.117429] The buggy address is located 1 bytes inside of [ 19.117429] 200-byte region [fff00000c7716000, fff00000c77160c8) [ 19.117531] [ 19.117649] The buggy address belongs to the physical page: [ 19.117687] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x107716 [ 19.117893] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff) [ 19.117979] page_type: f5(slab) [ 19.118037] raw: 0bfffe0000000000 fff00000c0cacc80 dead000000000122 0000000000000000 [ 19.118629] raw: 0000000000000000 00000000800f000f 00000000f5000000 0000000000000000 [ 19.118725] page dumped because: kasan: bad access detected [ 19.118762] [ 19.118781] Memory state around the buggy address: [ 19.118823] fff00000c7715f00: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff [ 19.119315] fff00000c7715f80: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff [ 19.119473] >fff00000c7716000: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 19.119559] ^ [ 19.119592] fff00000c7716080: 00 00 00 00 00 00 00 00 00 fc fc fc fc fc fc fc [ 19.119639] fff00000c7716100: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 19.119708] ==================================================================
[ 12.236638] ================================================================== [ 12.237179] BUG: KASAN: invalid-free in kmem_cache_invalid_free+0x1d8/0x460 [ 12.237633] Free of addr ffff888102f0b001 by task kunit_try_catch/228 [ 12.237927] [ 12.238047] CPU: 1 UID: 0 PID: 228 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc4 #1 PREEMPT(voluntary) [ 12.238095] Tainted: [B]=BAD_PAGE, [N]=TEST [ 12.238106] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 12.238128] Call Trace: [ 12.238141] <TASK> [ 12.238160] dump_stack_lvl+0x73/0xb0 [ 12.238192] print_report+0xd1/0x650 [ 12.238214] ? __virt_addr_valid+0x1db/0x2d0 [ 12.238239] ? kasan_complete_mode_report_info+0x2a/0x200 [ 12.238259] ? kmem_cache_invalid_free+0x1d8/0x460 [ 12.238361] kasan_report_invalid_free+0x10a/0x130 [ 12.238402] ? kmem_cache_invalid_free+0x1d8/0x460 [ 12.238427] ? kmem_cache_invalid_free+0x1d8/0x460 [ 12.238450] check_slab_allocation+0x11f/0x130 [ 12.238470] __kasan_slab_pre_free+0x28/0x40 [ 12.238489] kmem_cache_free+0xed/0x420 [ 12.238509] ? kmem_cache_alloc_noprof+0x123/0x3f0 [ 12.238528] ? kmem_cache_invalid_free+0x1d8/0x460 [ 12.238571] kmem_cache_invalid_free+0x1d8/0x460 [ 12.238595] ? __pfx_kmem_cache_invalid_free+0x10/0x10 [ 12.238617] ? finish_task_switch.isra.0+0x153/0x700 [ 12.238641] ? __switch_to+0x47/0xf50 [ 12.238669] ? __pfx_read_tsc+0x10/0x10 [ 12.238690] ? ktime_get_ts64+0x86/0x230 [ 12.238713] kunit_try_run_case+0x1a5/0x480 [ 12.238738] ? __pfx_kunit_try_run_case+0x10/0x10 [ 12.238758] ? _raw_spin_lock_irqsave+0xa1/0x100 [ 12.238782] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 12.238803] ? __kthread_parkme+0x82/0x180 [ 12.238823] ? preempt_count_sub+0x50/0x80 [ 12.238844] ? __pfx_kunit_try_run_case+0x10/0x10 [ 12.238875] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 12.238897] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 12.238977] kthread+0x337/0x6f0 [ 12.238996] ? trace_preempt_on+0x20/0xc0 [ 12.239019] ? __pfx_kthread+0x10/0x10 [ 12.239038] ? _raw_spin_unlock_irq+0x47/0x80 [ 12.239058] ? calculate_sigpending+0x7b/0xa0 [ 12.239082] ? __pfx_kthread+0x10/0x10 [ 12.239102] ret_from_fork+0x116/0x1d0 [ 12.239119] ? __pfx_kthread+0x10/0x10 [ 12.239138] ret_from_fork_asm+0x1a/0x30 [ 12.239167] </TASK> [ 12.239179] [ 12.247601] Allocated by task 228: [ 12.247757] kasan_save_stack+0x45/0x70 [ 12.247909] kasan_save_track+0x18/0x40 [ 12.248231] kasan_save_alloc_info+0x3b/0x50 [ 12.248468] __kasan_slab_alloc+0x91/0xa0 [ 12.248715] kmem_cache_alloc_noprof+0x123/0x3f0 [ 12.248994] kmem_cache_invalid_free+0x157/0x460 [ 12.249250] kunit_try_run_case+0x1a5/0x480 [ 12.249433] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 12.249708] kthread+0x337/0x6f0 [ 12.249901] ret_from_fork+0x116/0x1d0 [ 12.250132] ret_from_fork_asm+0x1a/0x30 [ 12.250338] [ 12.250430] The buggy address belongs to the object at ffff888102f0b000 [ 12.250430] which belongs to the cache test_cache of size 200 [ 12.251024] The buggy address is located 1 bytes inside of [ 12.251024] 200-byte region [ffff888102f0b000, ffff888102f0b0c8) [ 12.251511] [ 12.251619] The buggy address belongs to the physical page: [ 12.251899] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x102f0b [ 12.252284] flags: 0x200000000000000(node=0|zone=2) [ 12.252541] page_type: f5(slab) [ 12.252736] raw: 0200000000000000 ffff888101a2c8c0 dead000000000122 0000000000000000 [ 12.253147] raw: 0000000000000000 00000000800f000f 00000000f5000000 0000000000000000 [ 12.253467] page dumped because: kasan: bad access detected [ 12.253706] [ 12.253778] Memory state around the buggy address: [ 12.253949] ffff888102f0af00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 12.254186] ffff888102f0af80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 12.254610] >ffff888102f0b000: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 12.254987] ^ [ 12.255154] ffff888102f0b080: 00 00 00 00 00 00 00 00 00 fc fc fc fc fc fc fc [ 12.255387] ffff888102f0b100: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 12.255671] ==================================================================