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

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

[   17.382214] ==================================================================
[   17.382437] BUG: KASAN: invalid-free in kfree+0x270/0x3c8
[   17.382609] Free of addr fff00000c6bbc001 by task kunit_try_catch/152
[   17.382741] 
[   17.382814] CPU: 1 UID: 0 PID: 152 Comm: kunit_try_catch Tainted: G    B            N  6.15.0-rc3 #1 PREEMPT 
[   17.383068] Tainted: [B]=BAD_PAGE, [N]=TEST
[   17.383154] Hardware name: linux,dummy-virt (DT)
[   17.383247] Call trace:
[   17.383341]  show_stack+0x20/0x38 (C)
[   17.383438]  dump_stack_lvl+0x8c/0xd0
[   17.383541]  print_report+0x118/0x608
[   17.383863]  kasan_report_invalid_free+0xc0/0xe8
[   17.384129]  __kasan_kfree_large+0x5c/0xa8
[   17.384244]  free_large_kmalloc+0x64/0x190
[   17.384386]  kfree+0x270/0x3c8
[   17.384896]  kmalloc_large_invalid_free+0x108/0x270
[   17.385098]  kunit_try_run_case+0x170/0x3f0
[   17.385326]  kunit_generic_run_threadfn_adapter+0x88/0x100
[   17.385474]  kthread+0x328/0x630
[   17.386065]  ret_from_fork+0x10/0x20
[   17.386678] 
[   17.386953] The buggy address belongs to the physical page:
[   17.387236] page: refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x106bbc
[   17.387429] head: order:2 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0
[   17.387760] flags: 0xbfffe0000000040(head|node=0|zone=2|lastcpupid=0x1ffff)
[   17.387916] page_type: f8(unknown)
[   17.387999] raw: 0bfffe0000000040 0000000000000000 dead000000000122 0000000000000000
[   17.388102] raw: 0000000000000000 0000000000000000 00000001f8000000 0000000000000000
[   17.388768] head: 0bfffe0000000040 0000000000000000 dead000000000122 0000000000000000
[   17.389136] head: 0000000000000000 0000000000000000 00000001f8000000 0000000000000000
[   17.389320] head: 0bfffe0000000002 ffffc1ffc31aef01 00000000ffffffff 00000000ffffffff
[   17.389582] head: ffffffffffffffff 0000000000000000 00000000ffffffff 0000000000000004
[   17.389742] page dumped because: kasan: bad access detected
[   17.389831] 
[   17.389870] Memory state around the buggy address:
[   17.389939]  fff00000c6bbbf00: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[   17.390574]  fff00000c6bbbf80: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[   17.390743] >fff00000c6bbc000: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
[   17.390831]                    ^
[   17.390892]  fff00000c6bbc080: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
[   17.391042]  fff00000c6bbc100: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
[   17.391266] ==================================================================
Metadata Full log Test run details 

[   17.046693] ==================================================================
[   17.047694] BUG: KASAN: invalid-free in kfree+0x274/0x3f0
[   17.047928] Free of addr ffff8881028a0001 by task kunit_try_catch/170
[   17.048150] 
[   17.048256] CPU: 1 UID: 0 PID: 170 Comm: kunit_try_catch Tainted: G    B            N  6.15.0-rc3 #1 PREEMPT(voluntary) 
[   17.048316] Tainted: [B]=BAD_PAGE, [N]=TEST
[   17.048332] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
[   17.048359] Call Trace:
[   17.048374]  <TASK>
[   17.048395]  dump_stack_lvl+0x73/0xb0
[   17.048430]  print_report+0xd1/0x650
[   17.048461]  ? __virt_addr_valid+0x1db/0x2d0
[   17.048491]  ? kasan_addr_to_slab+0x11/0xa0
[   17.048565]  ? kfree+0x274/0x3f0
[   17.048632]  kasan_report_invalid_free+0x10a/0x130
[   17.048707]  ? kfree+0x274/0x3f0
[   17.048778]  ? kfree+0x274/0x3f0
[   17.048840]  __kasan_kfree_large+0x86/0xd0
[   17.048914]  free_large_kmalloc+0x4b/0x110
[   17.048994]  kfree+0x274/0x3f0
[   17.049062]  ? kmalloc_large_invalid_free+0x8f/0x2b0
[   17.049140]  kmalloc_large_invalid_free+0x120/0x2b0
[   17.049213]  ? __pfx_kmalloc_large_invalid_free+0x10/0x10
[   17.049283]  ? __schedule+0x10cc/0x2b30
[   17.049355]  ? __pfx_read_tsc+0x10/0x10
[   17.049416]  ? ktime_get_ts64+0x86/0x230
[   17.049487]  kunit_try_run_case+0x1a5/0x480
[   17.049733]  ? __pfx_kunit_try_run_case+0x10/0x10
[   17.049807]  ? _raw_spin_lock_irqsave+0xa1/0x100
[   17.049882]  ? _raw_spin_unlock_irqrestore+0x5f/0x90
[   17.049959]  ? __kthread_parkme+0x82/0x180
[   17.050030]  ? preempt_count_sub+0x50/0x80
[   17.050110]  ? __pfx_kunit_try_run_case+0x10/0x10
[   17.050188]  kunit_generic_run_threadfn_adapter+0x85/0xf0
[   17.050265]  ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10
[   17.050335]  kthread+0x337/0x6f0
[   17.050394]  ? trace_preempt_on+0x20/0xc0
[   17.050447]  ? __pfx_kthread+0x10/0x10
[   17.050581]  ? _raw_spin_unlock_irq+0x47/0x80
[   17.050648]  ? calculate_sigpending+0x7b/0xa0
[   17.050680]  ? __pfx_kthread+0x10/0x10
[   17.050711]  ret_from_fork+0x41/0x80
[   17.050739]  ? __pfx_kthread+0x10/0x10
[   17.050769]  ret_from_fork_asm+0x1a/0x30
[   17.050813]  </TASK>
[   17.050826] 
[   17.069456] The buggy address belongs to the physical page:
[   17.069967] page: refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1028a0
[   17.071244] head: order:2 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0
[   17.072312] flags: 0x200000000000040(head|node=0|zone=2)
[   17.072769] page_type: f8(unknown)
[   17.073803] raw: 0200000000000040 0000000000000000 dead000000000122 0000000000000000
[   17.074423] raw: 0000000000000000 0000000000000000 00000001f8000000 0000000000000000
[   17.075371] head: 0200000000000040 0000000000000000 dead000000000122 0000000000000000
[   17.076231] head: 0000000000000000 0000000000000000 00000001f8000000 0000000000000000
[   17.077055] head: 0200000000000002 ffffea00040a2801 00000000ffffffff 00000000ffffffff
[   17.077788] head: ffffffffffffffff 0000000000000000 00000000ffffffff 0000000000000004
[   17.078037] page dumped because: kasan: bad access detected
[   17.078218] 
[   17.078298] Memory state around the buggy address:
[   17.079081]  ffff88810289ff00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   17.079932]  ffff88810289ff80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   17.080520] >ffff8881028a0000: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
[   17.081236]                    ^
[   17.081711]  ffff8881028a0080: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
[   17.082281]  ffff8881028a0100: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
[   17.082900] ==================================================================
Metadata Full log Test run details 

[   19.209947] ==================================================================
[   19.210983] BUG: KASAN: invalid-free in kfree+0x270/0x3c8
[   19.211511] Free of addr ffff000001a94001 by task kunit_try_catch/208
[   19.212107] 
[   19.212269] CPU: 3 UID: 0 PID: 208 Comm: kunit_try_catch Tainted: G    B            N  6.15.0-rc3 #1 PREEMPT 
[   19.212317] Tainted: [B]=BAD_PAGE, [N]=TEST
[   19.212331] Hardware name: Radxa ROCK Pi 4B (DT)
[   19.212347] Call trace:
[   19.212359]  show_stack+0x20/0x38 (C)
[   19.212390]  dump_stack_lvl+0x8c/0xd0
[   19.212421]  print_report+0x118/0x608
[   19.212451]  kasan_report_invalid_free+0xc0/0xe8
[   19.212482]  __kasan_kfree_large+0x5c/0xa8
[   19.212511]  free_large_kmalloc+0x64/0x190
[   19.212546]  kfree+0x270/0x3c8
[   19.212576]  kmalloc_large_invalid_free+0x108/0x270
[   19.212613]  kunit_try_run_case+0x170/0x3f0
[   19.212647]  kunit_generic_run_threadfn_adapter+0x88/0x100
[   19.212686]  kthread+0x328/0x630
[   19.212719]  ret_from_fork+0x10/0x20
[   19.212751] 
[   19.219068] The buggy address belongs to the physical page:
[   19.219588] page: refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1a94
[   19.220312] head: order:2 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0
[   19.221016] flags: 0x3fffe0000000040(head|node=0|zone=0|lastcpupid=0x1ffff)
[   19.221666] page_type: f8(unknown)
[   19.222001] raw: 03fffe0000000040 0000000000000000 dead000000000122 0000000000000000
[   19.222716] raw: 0000000000000000 0000000000000000 00000001f8000000 0000000000000000
[   19.223431] head: 03fffe0000000040 0000000000000000 dead000000000122 0000000000000000
[   19.224153] head: 0000000000000000 0000000000000000 00000001f8000000 0000000000000000
[   19.224875] head: 03fffe0000000002 fffffdffc006a501 00000000ffffffff 00000000ffffffff
[   19.225598] head: ffffffffffffffff 0000000000000000 00000000ffffffff 0000000000000004
[   19.226314] page dumped because: kasan: bad access detected
[   19.226828] 
[   19.226980] Memory state around the buggy address:
[   19.227429]  ffff000001a93f00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
[   19.228095]  ffff000001a93f80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
[   19.228760] >ffff000001a94000: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
[   19.229421]                    ^
[   19.229733]  ffff000001a94080: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
[   19.230398]  ffff000001a94100: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
[   19.231060] ==================================================================
Metadata Full log Test run details