Hay
Date
April 22, 2025, 11:09 a.m.

Environment
qemu-arm64
qemu-x86_64
rk3399-rock-pi-4b

[   18.602643] ==================================================================
[   18.602740] BUG: KASAN: invalid-free in kmem_cache_invalid_free+0x184/0x3c8
[   18.602823] Free of addr fff00000c62b6001 by task kunit_try_catch/213
[   18.602885] 
[   18.602951] CPU: 1 UID: 0 PID: 213 Comm: kunit_try_catch Tainted: G    B            N  6.15.0-rc3 #1 PREEMPT 
[   18.603041] Tainted: [B]=BAD_PAGE, [N]=TEST
[   18.603068] Hardware name: linux,dummy-virt (DT)
[   18.603103] Call trace:
[   18.603132]  show_stack+0x20/0x38 (C)
[   18.603239]  dump_stack_lvl+0x8c/0xd0
[   18.603319]  print_report+0x118/0x608
[   18.603422]  kasan_report_invalid_free+0xc0/0xe8
[   18.603472]  check_slab_allocation+0xfc/0x108
[   18.603517]  __kasan_slab_pre_free+0x2c/0x48
[   18.603578]  kmem_cache_free+0xf0/0x470
[   18.603635]  kmem_cache_invalid_free+0x184/0x3c8
[   18.603699]  kunit_try_run_case+0x170/0x3f0
[   18.603752]  kunit_generic_run_threadfn_adapter+0x88/0x100
[   18.603806]  kthread+0x328/0x630
[   18.603878]  ret_from_fork+0x10/0x20
[   18.603931] 
[   18.603949] Allocated by task 213:
[   18.604060]  kasan_save_stack+0x3c/0x68
[   18.604121]  kasan_save_track+0x20/0x40
[   18.604174]  kasan_save_alloc_info+0x40/0x58
[   18.604318]  __kasan_slab_alloc+0xa8/0xb0
[   18.604358]  kmem_cache_alloc_noprof+0x10c/0x3a0
[   18.604409]  kmem_cache_invalid_free+0x12c/0x3c8
[   18.604501]  kunit_try_run_case+0x170/0x3f0
[   18.604564]  kunit_generic_run_threadfn_adapter+0x88/0x100
[   18.604609]  kthread+0x328/0x630
[   18.604643]  ret_from_fork+0x10/0x20
[   18.604678] 
[   18.604709] The buggy address belongs to the object at fff00000c62b6000
[   18.604709]  which belongs to the cache test_cache of size 200
[   18.604779] The buggy address is located 1 bytes inside of
[   18.604779]  200-byte region [fff00000c62b6000, fff00000c62b60c8)
[   18.604918] 
[   18.604951] The buggy address belongs to the physical page:
[   18.605011] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1062b6
[   18.605157] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff)
[   18.605214] page_type: f5(slab)
[   18.605259] raw: 0bfffe0000000000 fff00000c1288640 dead000000000122 0000000000000000
[   18.605308] raw: 0000000000000000 00000000800f000f 00000000f5000000 0000000000000000
[   18.605349] page dumped because: kasan: bad access detected
[   18.605378] 
[   18.605410] Memory state around the buggy address:
[   18.605446]  fff00000c62b5f00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
[   18.605500]  fff00000c62b5f80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
[   18.605565] >fff00000c62b6000: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
[   18.605606]                    ^
[   18.605709]  fff00000c62b6080: 00 00 00 00 00 00 00 00 00 fc fc fc fc fc fc fc
[   18.605753]  fff00000c62b6100: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   18.605813] ==================================================================

[   19.365994] ==================================================================
[   19.366817] BUG: KASAN: invalid-free in kmem_cache_invalid_free+0x1d8/0x460
[   19.367884] Free of addr ffff8881031b3001 by task kunit_try_catch/231
[   19.368340] 
[   19.369454] CPU: 0 UID: 0 PID: 231 Comm: kunit_try_catch Tainted: G    B            N  6.15.0-rc3 #1 PREEMPT(voluntary) 
[   19.369670] Tainted: [B]=BAD_PAGE, [N]=TEST
[   19.369707] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
[   19.369768] Call Trace:
[   19.369805]  <TASK>
[   19.369855]  dump_stack_lvl+0x73/0xb0
[   19.369939]  print_report+0xd1/0x650
[   19.370010]  ? __virt_addr_valid+0x1db/0x2d0
[   19.370064]  ? kasan_complete_mode_report_info+0x2a/0x200
[   19.370098]  ? kmem_cache_invalid_free+0x1d8/0x460
[   19.370129]  kasan_report_invalid_free+0x10a/0x130
[   19.370164]  ? kmem_cache_invalid_free+0x1d8/0x460
[   19.370197]  ? kmem_cache_invalid_free+0x1d8/0x460
[   19.370225]  check_slab_allocation+0x11f/0x130
[   19.370257]  __kasan_slab_pre_free+0x28/0x40
[   19.370288]  kmem_cache_free+0xed/0x420
[   19.370318]  ? kmem_cache_alloc_noprof+0x123/0x3f0
[   19.370349]  ? kmem_cache_invalid_free+0x1d8/0x460
[   19.370382]  kmem_cache_invalid_free+0x1d8/0x460
[   19.370411]  ? __pfx_kmem_cache_invalid_free+0x10/0x10
[   19.370456]  ? finish_task_switch.isra.0+0x153/0x700
[   19.370550]  ? __switch_to+0x5d9/0xf60
[   19.370616]  ? dequeue_task_fair+0x166/0x4e0
[   19.370701]  ? __pfx_read_tsc+0x10/0x10
[   19.370765]  ? ktime_get_ts64+0x86/0x230
[   19.370805]  kunit_try_run_case+0x1a5/0x480
[   19.370844]  ? __pfx_kunit_try_run_case+0x10/0x10
[   19.370875]  ? _raw_spin_lock_irqsave+0xa1/0x100
[   19.370911]  ? _raw_spin_unlock_irqrestore+0x5f/0x90
[   19.370946]  ? __kthread_parkme+0x82/0x180
[   19.370977]  ? preempt_count_sub+0x50/0x80
[   19.371011]  ? __pfx_kunit_try_run_case+0x10/0x10
[   19.371043]  kunit_generic_run_threadfn_adapter+0x85/0xf0
[   19.371074]  ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10
[   19.371107]  kthread+0x337/0x6f0
[   19.371137]  ? trace_preempt_on+0x20/0xc0
[   19.371171]  ? __pfx_kthread+0x10/0x10
[   19.371203]  ? _raw_spin_unlock_irq+0x47/0x80
[   19.371234]  ? calculate_sigpending+0x7b/0xa0
[   19.371264]  ? __pfx_kthread+0x10/0x10
[   19.371296]  ret_from_fork+0x41/0x80
[   19.371325]  ? __pfx_kthread+0x10/0x10
[   19.371356]  ret_from_fork_asm+0x1a/0x30
[   19.371400]  </TASK>
[   19.371414] 
[   19.394749] Allocated by task 231:
[   19.394965]  kasan_save_stack+0x45/0x70
[   19.395148]  kasan_save_track+0x18/0x40
[   19.395301]  kasan_save_alloc_info+0x3b/0x50
[   19.395548]  __kasan_slab_alloc+0x91/0xa0
[   19.396211]  kmem_cache_alloc_noprof+0x123/0x3f0
[   19.397209]  kmem_cache_invalid_free+0x157/0x460
[   19.398062]  kunit_try_run_case+0x1a5/0x480
[   19.398921]  kunit_generic_run_threadfn_adapter+0x85/0xf0
[   19.399863]  kthread+0x337/0x6f0
[   19.400182]  ret_from_fork+0x41/0x80
[   19.400905]  ret_from_fork_asm+0x1a/0x30
[   19.401294] 
[   19.402018] The buggy address belongs to the object at ffff8881031b3000
[   19.402018]  which belongs to the cache test_cache of size 200
[   19.403702] The buggy address is located 1 bytes inside of
[   19.403702]  200-byte region [ffff8881031b3000, ffff8881031b30c8)
[   19.405088] 
[   19.405250] The buggy address belongs to the physical page:
[   19.405637] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1031b3
[   19.406541] flags: 0x200000000000000(node=0|zone=2)
[   19.407418] page_type: f5(slab)
[   19.408646] raw: 0200000000000000 ffff8881016928c0 dead000000000122 0000000000000000
[   19.409215] raw: 0000000000000000 00000000800f000f 00000000f5000000 0000000000000000
[   19.410996] page dumped because: kasan: bad access detected
[   19.411295] 
[   19.411871] Memory state around the buggy address:
[   19.412192]  ffff8881031b2f00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   19.412666]  ffff8881031b2f80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   19.413121] >ffff8881031b3000: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
[   19.413481]                    ^
[   19.416050]  ffff8881031b3080: 00 00 00 00 00 00 00 00 00 fc fc fc fc fc fc fc
[   19.417080]  ffff8881031b3100: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   19.417571] ==================================================================

[   20.511270] ==================================================================
[   20.512366] BUG: KASAN: invalid-free in kmem_cache_invalid_free+0x184/0x3c8
[   20.513036] Free of addr ffff00000c882001 by task kunit_try_catch/269
[   20.513633] 
[   20.513799] CPU: 3 UID: 0 PID: 269 Comm: kunit_try_catch Tainted: G    B            N  6.15.0-rc3 #1 PREEMPT 
[   20.513849] Tainted: [B]=BAD_PAGE, [N]=TEST
[   20.513864] Hardware name: Radxa ROCK Pi 4B (DT)
[   20.513882] Call trace:
[   20.513894]  show_stack+0x20/0x38 (C)
[   20.513927]  dump_stack_lvl+0x8c/0xd0
[   20.513958]  print_report+0x118/0x608
[   20.513988]  kasan_report_invalid_free+0xc0/0xe8
[   20.514020]  check_slab_allocation+0xfc/0x108
[   20.514049]  __kasan_slab_pre_free+0x2c/0x48
[   20.514079]  kmem_cache_free+0xf0/0x470
[   20.514108]  kmem_cache_invalid_free+0x184/0x3c8
[   20.514144]  kunit_try_run_case+0x170/0x3f0
[   20.514181]  kunit_generic_run_threadfn_adapter+0x88/0x100
[   20.514220]  kthread+0x328/0x630
[   20.514254]  ret_from_fork+0x10/0x20
[   20.514287] 
[   20.520683] Allocated by task 269:
[   20.521008]  kasan_save_stack+0x3c/0x68
[   20.521381]  kasan_save_track+0x20/0x40
[   20.521752]  kasan_save_alloc_info+0x40/0x58
[   20.522165]  __kasan_slab_alloc+0xa8/0xb0
[   20.522551]  kmem_cache_alloc_noprof+0x10c/0x3a0
[   20.522994]  kmem_cache_invalid_free+0x12c/0x3c8
[   20.523440]  kunit_try_run_case+0x170/0x3f0
[   20.523847]  kunit_generic_run_threadfn_adapter+0x88/0x100
[   20.524371]  kthread+0x328/0x630
[   20.524694]  ret_from_fork+0x10/0x20
[   20.525044] 
[   20.525197] The buggy address belongs to the object at ffff00000c882000
[   20.525197]  which belongs to the cache test_cache of size 200
[   20.526322] The buggy address is located 1 bytes inside of
[   20.526322]  200-byte region [ffff00000c882000, ffff00000c8820c8)
[   20.527373] 
[   20.527526] The buggy address belongs to the physical page:
[   20.528043] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0xc882
[   20.528768] head: order:1 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0
[   20.529474] flags: 0x3fffe0000000040(head|node=0|zone=0|lastcpupid=0x1ffff)
[   20.530128] page_type: f5(slab)
[   20.530442] raw: 03fffe0000000040 ffff00000ca9e140 dead000000000122 0000000000000000
[   20.531158] raw: 0000000000000000 00000000801f001f 00000000f5000000 0000000000000000
[   20.531874] head: 03fffe0000000040 ffff00000ca9e140 dead000000000122 0000000000000000
[   20.532598] head: 0000000000000000 00000000801f001f 00000000f5000000 0000000000000000
[   20.533322] head: 03fffe0000000001 fffffdffc0322081 00000000ffffffff 00000000ffffffff
[   20.534045] head: ffffffffffffffff 0000000000000000 00000000ffffffff 0000000000000002
[   20.534760] page dumped because: kasan: bad access detected
[   20.535275] 
[   20.535428] Memory state around the buggy address:
[   20.535877]  ffff00000c881f00: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[   20.536544]  ffff00000c881f80: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[   20.537210] >ffff00000c882000: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
[   20.537872]                    ^
[   20.538182]  ffff00000c882080: 00 00 00 00 00 00 00 00 00 fc fc fc fc fc fc fc
[   20.538849]  ffff00000c882100: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   20.539510] ==================================================================