Hay
Date
June 17, 2025, 3:40 p.m.

Environment
qemu-arm64

[   25.864241] ==================================================================
[   25.864507] BUG: KASAN: vmalloc-out-of-bounds in vmalloc_oob+0x578/0x5d0
[   25.864669] Read of size 1 at addr ffff80008010b7f3 by task kunit_try_catch/271
[   25.864818] 
[   25.864920] CPU: 0 UID: 0 PID: 271 Comm: kunit_try_catch Tainted: G    B            N  6.15.3-rc1 #1 PREEMPT 
[   25.865139] Tainted: [B]=BAD_PAGE, [N]=TEST
[   25.865209] Hardware name: linux,dummy-virt (DT)
[   25.865602] Call trace:
[   25.865771]  show_stack+0x20/0x38 (C)
[   25.865906]  dump_stack_lvl+0x8c/0xd0
[   25.866237]  print_report+0x310/0x608
[   25.866345]  kasan_report+0xdc/0x128
[   25.866485]  __asan_report_load1_noabort+0x20/0x30
[   25.866800]  vmalloc_oob+0x578/0x5d0
[   25.866927]  kunit_try_run_case+0x170/0x3f0
[   25.867339]  kunit_generic_run_threadfn_adapter+0x88/0x100
[   25.867800]  kthread+0x328/0x630
[   25.868028]  ret_from_fork+0x10/0x20
[   25.868908] 
[   25.869113] The buggy address belongs to the virtual mapping at
[   25.869113]  [ffff80008010b000, ffff80008010d000) created by:
[   25.869113]  vmalloc_oob+0x98/0x5d0
[   25.869516] 
[   25.869599] The buggy address belongs to the physical page:
[   25.869668] page: refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1078d4
[   25.869788] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff)
[   25.869950] raw: 0bfffe0000000000 0000000000000000 dead000000000122 0000000000000000
[   25.870086] raw: 0000000000000000 0000000000000000 00000001ffffffff 0000000000000000
[   25.870178] page dumped because: kasan: bad access detected
[   25.870261] 
[   25.870308] Memory state around the buggy address:
[   25.870386]  ffff80008010b680: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
[   25.870494]  ffff80008010b700: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
[   25.870590] >ffff80008010b780: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 03 f8
[   25.870679]                                                              ^
[   25.870826]  ffff80008010b800: f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8
[   25.870959]  ffff80008010b880: f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8
[   25.871104] ==================================================================
[   25.874491] ==================================================================
[   25.874872] BUG: KASAN: vmalloc-out-of-bounds in vmalloc_oob+0x51c/0x5d0
[   25.875047] Read of size 1 at addr ffff80008010b7f8 by task kunit_try_catch/271
[   25.875181] 
[   25.875272] CPU: 0 UID: 0 PID: 271 Comm: kunit_try_catch Tainted: G    B            N  6.15.3-rc1 #1 PREEMPT 
[   25.875496] Tainted: [B]=BAD_PAGE, [N]=TEST
[   25.875571] Hardware name: linux,dummy-virt (DT)
[   25.875654] Call trace:
[   25.875715]  show_stack+0x20/0x38 (C)
[   25.875857]  dump_stack_lvl+0x8c/0xd0
[   25.875979]  print_report+0x310/0x608
[   25.876099]  kasan_report+0xdc/0x128
[   25.876233]  __asan_report_load1_noabort+0x20/0x30
[   25.876364]  vmalloc_oob+0x51c/0x5d0
[   25.876483]  kunit_try_run_case+0x170/0x3f0
[   25.878705]  kunit_generic_run_threadfn_adapter+0x88/0x100
[   25.880068]  kthread+0x328/0x630
[   25.880574]  ret_from_fork+0x10/0x20
[   25.881216] 
[   25.881307] The buggy address belongs to the virtual mapping at
[   25.881307]  [ffff80008010b000, ffff80008010d000) created by:
[   25.881307]  vmalloc_oob+0x98/0x5d0
[   25.881576] 
[   25.881656] The buggy address belongs to the physical page:
[   25.882073] page: refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1078d4
[   25.882419] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff)
[   25.882830] raw: 0bfffe0000000000 0000000000000000 dead000000000122 0000000000000000
[   25.883183] raw: 0000000000000000 0000000000000000 00000001ffffffff 0000000000000000
[   25.883308] page dumped because: kasan: bad access detected
[   25.883483] 
[   25.883548] Memory state around the buggy address:
[   25.884087]  ffff80008010b680: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
[   25.884261]  ffff80008010b700: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
[   25.884864] >ffff80008010b780: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 03 f8
[   25.885048]                                                                 ^
[   25.886202]  ffff80008010b800: f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8
[   25.886882]  ffff80008010b880: f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8
[   25.887367] ==================================================================