Hay
Date
Dec. 6, 2024, 3:11 p.m.

Environment
qemu-arm64
qemu-x86_64

[   30.096895] ==================================================================
[   30.097834] BUG: KASAN: slab-out-of-bounds in kmalloc_large_oob_right+0x278/0x2b8
[   30.098849] Write of size 1 at addr fff00000c69fe00a by task kunit_try_catch/135
[   30.100399] 
[   30.100708] CPU: 1 UID: 0 PID: 135 Comm: kunit_try_catch Tainted: G    B            N 6.13.0-rc1-next-20241206 #1
[   30.101947] Tainted: [B]=BAD_PAGE, [N]=TEST
[   30.103190] Hardware name: linux,dummy-virt (DT)
[   30.103833] Call trace:
[   30.104258]  show_stack+0x20/0x38 (C)
[   30.105041]  dump_stack_lvl+0x8c/0xd0
[   30.105696]  print_report+0x118/0x5e0
[   30.106729]  kasan_report+0xc8/0x118
[   30.107295]  __asan_report_store1_noabort+0x20/0x30
[   30.108065]  kmalloc_large_oob_right+0x278/0x2b8
[   30.108735]  kunit_try_run_case+0x14c/0x3d0
[   30.109404]  kunit_generic_run_threadfn_adapter+0x88/0x100
[   30.110128]  kthread+0x24c/0x2d0
[   30.110998]  ret_from_fork+0x10/0x20
[   30.111601] 
[   30.111939] The buggy address belongs to the physical page:
[   30.112627] page: refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1069fc
[   30.113591] head: order:2 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0
[   30.114693] flags: 0xbfffe0000000040(head|node=0|zone=2|lastcpupid=0x1ffff)
[   30.115588] raw: 0bfffe0000000040 0000000000000000 dead000000000122 0000000000000000
[   30.117326] raw: 0000000000000000 0000000000000000 00000001ffffffff 0000000000000000
[   30.119066] head: 0bfffe0000000040 0000000000000000 dead000000000122 0000000000000000
[   30.120039] head: 0000000000000000 0000000000000000 00000001ffffffff 0000000000000000
[   30.121036] head: 0bfffe0000000002 ffffc1ffc31a7f01 ffffffffffffffff 0000000000000000
[   30.122053] head: 0000000000000004 0000000000000000 00000000ffffffff 0000000000000000
[   30.123348] page dumped because: kasan: bad access detected
[   30.124172] 
[   30.124501] Memory state around the buggy address:
[   30.125383]  fff00000c69fdf00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
[   30.126423]  fff00000c69fdf80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
[   30.127674] >fff00000c69fe000: 00 02 fe fe fe fe fe fe fe fe fe fe fe fe fe fe
[   30.128644]                       ^
[   30.129210]  fff00000c69fe080: fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe
[   30.129967]  fff00000c69fe100: fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe
[   30.130593] ==================================================================

[   22.245466] ==================================================================
[   22.247034] BUG: KASAN: slab-out-of-bounds in kmalloc_large_oob_right+0x2eb/0x340
[   22.247665] Write of size 1 at addr ffff888102ab600a by task kunit_try_catch/154
[   22.249337] 
[   22.249817] CPU: 1 UID: 0 PID: 154 Comm: kunit_try_catch Tainted: G    B            N 6.13.0-rc1-next-20241206 #1
[   22.251000] Tainted: [B]=BAD_PAGE, [N]=TEST
[   22.251409] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
[   22.252919] Call Trace:
[   22.253212]  <TASK>
[   22.253440]  dump_stack_lvl+0x73/0xb0
[   22.253883]  print_report+0xd1/0x640
[   22.254793]  ? __virt_addr_valid+0x1db/0x2d0
[   22.255317]  ? kasan_addr_to_slab+0x11/0xa0
[   22.255978]  kasan_report+0x102/0x140
[   22.256407]  ? kmalloc_large_oob_right+0x2eb/0x340
[   22.257253]  ? kmalloc_large_oob_right+0x2eb/0x340
[   22.258397]  __asan_report_store1_noabort+0x1b/0x30
[   22.259084]  kmalloc_large_oob_right+0x2eb/0x340
[   22.259682]  ? __pfx_kmalloc_large_oob_right+0x10/0x10
[   22.260174]  ? __schedule+0xc70/0x27e0
[   22.260490]  ? __pfx_read_tsc+0x10/0x10
[   22.261317]  ? ktime_get_ts64+0x86/0x230
[   22.261865]  kunit_try_run_case+0x1b3/0x490
[   22.262433]  ? __pfx_kunit_try_run_case+0x10/0x10
[   22.263163]  ? _raw_spin_lock_irqsave+0xa2/0x110
[   22.264307]  ? _raw_spin_unlock_irqrestore+0x5f/0x90
[   22.265173]  ? __kthread_parkme+0x82/0x160
[   22.265764]  ? preempt_count_sub+0x50/0x80
[   22.266348]  ? __pfx_kunit_try_run_case+0x10/0x10
[   22.266849]  ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10
[   22.267367]  kunit_generic_run_threadfn_adapter+0x85/0xf0
[   22.268243]  kthread+0x257/0x310
[   22.268805]  ? __pfx_kthread+0x10/0x10
[   22.269306]  ret_from_fork+0x41/0x80
[   22.270413]  ? __pfx_kthread+0x10/0x10
[   22.270756]  ret_from_fork_asm+0x1a/0x30
[   22.271896]  </TASK>
[   22.272116] 
[   22.272390] The buggy address belongs to the physical page:
[   22.273003] page: refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x102ab4
[   22.275027] head: order:2 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0
[   22.276183] flags: 0x200000000000040(head|node=0|zone=2)
[   22.277953] raw: 0200000000000040 0000000000000000 dead000000000122 0000000000000000
[   22.279068] raw: 0000000000000000 0000000000000000 00000001ffffffff 0000000000000000
[   22.280149] head: 0200000000000040 0000000000000000 dead000000000122 0000000000000000
[   22.281345] head: 0000000000000000 0000000000000000 00000001ffffffff 0000000000000000
[   22.282503] head: 0200000000000002 ffffea00040aad01 ffffffffffffffff 0000000000000000
[   22.284211] head: 0000000000000004 0000000000000000 00000000ffffffff 0000000000000000
[   22.285364] page dumped because: kasan: bad access detected
[   22.286756] 
[   22.286980] Memory state around the buggy address:
[   22.287343]  ffff888102ab5f00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
[   22.289134]  ffff888102ab5f80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
[   22.289739] >ffff888102ab6000: 00 02 fe fe fe fe fe fe fe fe fe fe fe fe fe fe
[   22.290769]                       ^
[   22.292103]  ffff888102ab6080: fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe
[   22.293380]  ffff888102ab6100: fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe
[   22.294790] ==================================================================