Hay
Date
July 18, 2025, 11:11 p.m.

Environment
qemu-arm64

[   18.473612] ==================================================================
[   18.473940] BUG: KASAN: vmalloc-out-of-bounds in vmalloc_oob+0x578/0x5d0
[   18.474020] Read of size 1 at addr ffff8000800fe7f3 by task kunit_try_catch/269
[   18.474074] 
[   18.474113] CPU: 0 UID: 0 PID: 269 Comm: kunit_try_catch Tainted: G    B            N  6.16.0-rc6 #1 PREEMPT 
[   18.474678] Tainted: [B]=BAD_PAGE, [N]=TEST
[   18.475043] Hardware name: linux,dummy-virt (DT)
[   18.475093] Call trace:
[   18.475150]  show_stack+0x20/0x38 (C)
[   18.475241]  dump_stack_lvl+0x8c/0xd0
[   18.475366]  print_report+0x310/0x5d0
[   18.475469]  kasan_report+0xdc/0x128
[   18.475547]  __asan_report_load1_noabort+0x20/0x30
[   18.475659]  vmalloc_oob+0x578/0x5d0
[   18.475850]  kunit_try_run_case+0x170/0x3f0
[   18.476200]  kunit_generic_run_threadfn_adapter+0x88/0x100
[   18.476275]  kthread+0x328/0x630
[   18.476570]  ret_from_fork+0x10/0x20
[   18.476735] 
[   18.476803] The buggy address ffff8000800fe7f3 belongs to a vmalloc virtual mapping
[   18.477227] The buggy address belongs to the physical page:
[   18.477348] page: refcount:1 mapcount:0 mapping:0000000000000000 index:0xfff00000c5a8b000 pfn:0x105a8b
[   18.477428] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff)
[   18.477845] raw: 0bfffe0000000000 0000000000000000 dead000000000122 0000000000000000
[   18.477953] raw: fff00000c5a8b000 0000000000000000 00000001ffffffff 0000000000000000
[   18.478017] page dumped because: kasan: bad access detected
[   18.478310] 
[   18.478445] Memory state around the buggy address:
[   18.478515]  ffff8000800fe680: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
[   18.478566]  ffff8000800fe700: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
[   18.478928] >ffff8000800fe780: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 03 f8
[   18.479157]                                                              ^
[   18.479292]  ffff8000800fe800: f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8
[   18.479400]  ffff8000800fe880: f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8
[   18.479487] ==================================================================
[   18.481118] ==================================================================
[   18.481172] BUG: KASAN: vmalloc-out-of-bounds in vmalloc_oob+0x51c/0x5d0
[   18.481396] Read of size 1 at addr ffff8000800fe7f8 by task kunit_try_catch/269
[   18.481556] 
[   18.481681] CPU: 0 UID: 0 PID: 269 Comm: kunit_try_catch Tainted: G    B            N  6.16.0-rc6 #1 PREEMPT 
[   18.481788] Tainted: [B]=BAD_PAGE, [N]=TEST
[   18.481816] Hardware name: linux,dummy-virt (DT)
[   18.481848] Call trace:
[   18.481872]  show_stack+0x20/0x38 (C)
[   18.482092]  dump_stack_lvl+0x8c/0xd0
[   18.482642]  print_report+0x310/0x5d0
[   18.482724]  kasan_report+0xdc/0x128
[   18.482869]  __asan_report_load1_noabort+0x20/0x30
[   18.482973]  vmalloc_oob+0x51c/0x5d0
[   18.483397]  kunit_try_run_case+0x170/0x3f0
[   18.483499]  kunit_generic_run_threadfn_adapter+0x88/0x100
[   18.483580]  kthread+0x328/0x630
[   18.483714]  ret_from_fork+0x10/0x20
[   18.483869] 
[   18.483923] The buggy address ffff8000800fe7f8 belongs to a vmalloc virtual mapping
[   18.483970] The buggy address belongs to the physical page:
[   18.484156] page: refcount:1 mapcount:0 mapping:0000000000000000 index:0xfff00000c5a8b000 pfn:0x105a8b
[   18.484249] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff)
[   18.484640] raw: 0bfffe0000000000 0000000000000000 dead000000000122 0000000000000000
[   18.484765] raw: fff00000c5a8b000 0000000000000000 00000001ffffffff 0000000000000000
[   18.484811] page dumped because: kasan: bad access detected
[   18.484846] 
[   18.484867] Memory state around the buggy address:
[   18.484903]  ffff8000800fe680: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
[   18.484956]  ffff8000800fe700: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
[   18.485038] >ffff8000800fe780: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 03 f8
[   18.485090]                                                                 ^
[   18.485142]  ffff8000800fe800: f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8
[   18.485189]  ffff8000800fe880: f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8
[   18.485237] ==================================================================