Hay
Date
Nov. 26, 2024, 6:09 a.m.

Environment
qemu-arm64
qemu-x86_64

[   31.499720] ==================================================================
[   31.501035] BUG: KASAN: out-of-bounds in kmalloc_memmove_negative_size+0x154/0x2e0
[   31.502785] Read of size 18446744073709551614 at addr fff00000c58d3804 by task kunit_try_catch/169
[   31.503973] 
[   31.504558] CPU: 0 UID: 0 PID: 169 Comm: kunit_try_catch Tainted: G    B            N 6.12.0-next-20241126 #1
[   31.505480] Tainted: [B]=BAD_PAGE, [N]=TEST
[   31.506211] Hardware name: linux,dummy-virt (DT)
[   31.506957] Call trace:
[   31.507352]  show_stack+0x20/0x38 (C)
[   31.508090]  dump_stack_lvl+0x8c/0xd0
[   31.508716]  print_report+0x118/0x5e0
[   31.509704]  kasan_report+0xc8/0x118
[   31.510347]  kasan_check_range+0x100/0x1a8
[   31.510994]  __asan_memmove+0x3c/0x98
[   31.512194]  kmalloc_memmove_negative_size+0x154/0x2e0
[   31.513253]  kunit_try_run_case+0x14c/0x3d0
[   31.513920]  kunit_generic_run_threadfn_adapter+0x88/0x100
[   31.514693]  kthread+0x24c/0x2d0
[   31.515327]  ret_from_fork+0x10/0x20
[   31.515942] 
[   31.516248] Allocated by task 169:
[   31.516849]  kasan_save_stack+0x3c/0x68
[   31.517661]  kasan_save_track+0x20/0x40
[   31.518128]  kasan_save_alloc_info+0x40/0x58
[   31.518723]  __kasan_kmalloc+0xd4/0xd8
[   31.519421]  __kmalloc_cache_noprof+0x15c/0x3c8
[   31.520151]  kmalloc_memmove_negative_size+0xb0/0x2e0
[   31.520966]  kunit_try_run_case+0x14c/0x3d0
[   31.521550]  kunit_generic_run_threadfn_adapter+0x88/0x100
[   31.522949]  kthread+0x24c/0x2d0
[   31.523355]  ret_from_fork+0x10/0x20
[   31.523990] 
[   31.524397] The buggy address belongs to the object at fff00000c58d3800
[   31.524397]  which belongs to the cache kmalloc-64 of size 64
[   31.526094] The buggy address is located 4 bytes inside of
[   31.526094]  64-byte region [fff00000c58d3800, fff00000c58d3840)
[   31.527627] 
[   31.528008] The buggy address belongs to the physical page:
[   31.528819] page: refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1058d3
[   31.529719] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff)
[   31.530608] page_type: f5(slab)
[   31.531544] raw: 0bfffe0000000000 fff00000c00018c0 dead000000000122 0000000000000000
[   31.532541] raw: 0000000000000000 0000000080200020 00000001f5000000 0000000000000000
[   31.533208] page dumped because: kasan: bad access detected
[   31.533839] 
[   31.534259] Memory state around the buggy address:
[   31.534990]  fff00000c58d3700: 00 00 00 00 00 00 00 00 fc fc fc fc fc fc fc fc
[   31.535969]  fff00000c58d3780: fa fb fb fb fb fb fb fb fc fc fc fc fc fc fc fc
[   31.536962] >fff00000c58d3800: 00 00 00 00 00 00 00 00 fc fc fc fc fc fc fc fc
[   31.537823]                    ^
[   31.538414]  fff00000c58d3880: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   31.539525]  fff00000c58d3900: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   31.540760] ==================================================================

[   31.483561] ==================================================================
[   31.484829] BUG: KASAN: out-of-bounds in kmalloc_memmove_negative_size+0x154/0x2e0
[   31.485483] Read of size 18446744073709551614 at addr fff00000c5e5ec04 by task kunit_try_catch/169
[   31.487047] 
[   31.487439] CPU: 1 UID: 0 PID: 169 Comm: kunit_try_catch Tainted: G    B            N 6.12.0-next-20241126 #1
[   31.488786] Tainted: [B]=BAD_PAGE, [N]=TEST
[   31.489279] Hardware name: linux,dummy-virt (DT)
[   31.490018] Call trace:
[   31.490557]  show_stack+0x20/0x38 (C)
[   31.491811]  dump_stack_lvl+0x8c/0xd0
[   31.492283]  print_report+0x118/0x5e0
[   31.493020]  kasan_report+0xc8/0x118
[   31.493795]  kasan_check_range+0x100/0x1a8
[   31.494849]  __asan_memmove+0x3c/0x98
[   31.495371]  kmalloc_memmove_negative_size+0x154/0x2e0
[   31.496124]  kunit_try_run_case+0x14c/0x3d0
[   31.496848]  kunit_generic_run_threadfn_adapter+0x88/0x100
[   31.497617]  kthread+0x24c/0x2d0
[   31.498113]  ret_from_fork+0x10/0x20
[   31.498806] 
[   31.499153] Allocated by task 169:
[   31.499712]  kasan_save_stack+0x3c/0x68
[   31.500391]  kasan_save_track+0x20/0x40
[   31.500999]  kasan_save_alloc_info+0x40/0x58
[   31.501618]  __kasan_kmalloc+0xd4/0xd8
[   31.502232]  __kmalloc_cache_noprof+0x15c/0x3c8
[   31.503689]  kmalloc_memmove_negative_size+0xb0/0x2e0
[   31.504508]  kunit_try_run_case+0x14c/0x3d0
[   31.505321]  kunit_generic_run_threadfn_adapter+0x88/0x100
[   31.506520]  kthread+0x24c/0x2d0
[   31.507037]  ret_from_fork+0x10/0x20
[   31.507575] 
[   31.507937] The buggy address belongs to the object at fff00000c5e5ec00
[   31.507937]  which belongs to the cache kmalloc-64 of size 64
[   31.509554] The buggy address is located 4 bytes inside of
[   31.509554]  64-byte region [fff00000c5e5ec00, fff00000c5e5ec40)
[   31.510687] 
[   31.511052] The buggy address belongs to the physical page:
[   31.512650] page: refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x105e5e
[   31.513352] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff)
[   31.514491] page_type: f5(slab)
[   31.515119] raw: 0bfffe0000000000 fff00000c00018c0 dead000000000122 0000000000000000
[   31.515898] raw: 0000000000000000 0000000080200020 00000001f5000000 0000000000000000
[   31.516718] page dumped because: kasan: bad access detected
[   31.518073] 
[   31.518427] Memory state around the buggy address:
[   31.519156]  fff00000c5e5eb00: 00 00 00 00 00 00 00 00 fc fc fc fc fc fc fc fc
[   31.520747]  fff00000c5e5eb80: 00 00 00 00 00 00 00 00 fc fc fc fc fc fc fc fc
[   31.521556] >fff00000c5e5ec00: 00 00 00 00 00 00 00 00 fc fc fc fc fc fc fc fc
[   31.522903]                    ^
[   31.523401]  fff00000c5e5ec80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   31.524276]  fff00000c5e5ed00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   31.525076] ==================================================================

[   25.629901] ==================================================================
[   25.630430] BUG: KASAN: out-of-bounds in kmalloc_memmove_negative_size+0x172/0x330
[   25.630430] Read of size 18446744073709551614 at addr ffff8881028dbf04 by task kunit_try_catch/189
[   25.630430] 
[   25.630430] CPU: 0 UID: 0 PID: 189 Comm: kunit_try_catch Tainted: G    B            N 6.12.0-next-20241126 #1
[   25.630430] Tainted: [B]=BAD_PAGE, [N]=TEST
[   25.630430] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
[   25.630430] Call Trace:
[   25.630430]  <TASK>
[   25.630430]  dump_stack_lvl+0x73/0xb0
[   25.630430]  print_report+0xd1/0x640
[   25.630430]  ? __virt_addr_valid+0x1db/0x2d0
[   25.630430]  ? kasan_complete_mode_report_info+0x2a/0x200
[   25.630430]  kasan_report+0x102/0x140
[   25.630430]  ? kmalloc_memmove_negative_size+0x172/0x330
[   25.630430]  ? kmalloc_memmove_negative_size+0x172/0x330
[   25.630430]  kasan_check_range+0x10c/0x1c0
[   25.630430]  __asan_memmove+0x27/0x70
[   25.630430]  kmalloc_memmove_negative_size+0x172/0x330
[   25.630430]  ? __pfx_kmalloc_memmove_negative_size+0x10/0x10
[   25.630430]  ? __schedule+0xc3e/0x2790
[   25.630430]  ? ktime_get_ts64+0x84/0x230
[   25.630430]  kunit_try_run_case+0x1b3/0x490
[   25.630430]  ? __pfx_kunit_try_run_case+0x10/0x10
[   25.630430]  ? _raw_spin_lock_irqsave+0xa2/0x110
[   25.630430]  ? _raw_spin_unlock_irqrestore+0x5f/0x90
[   25.630430]  ? __kthread_parkme+0x82/0x160
[   25.630430]  ? preempt_count_sub+0x50/0x80
[   25.630430]  ? __pfx_kunit_try_run_case+0x10/0x10
[   25.630430]  ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10
[   25.630430]  kunit_generic_run_threadfn_adapter+0x85/0xf0
[   25.630430]  kthread+0x257/0x310
[   25.630430]  ? __pfx_kthread+0x10/0x10
[   25.630430]  ret_from_fork+0x41/0x80
[   25.630430]  ? __pfx_kthread+0x10/0x10
[   25.630430]  ret_from_fork_asm+0x1a/0x30
[   25.630430]  </TASK>
[   25.630430] 
[   25.630430] Allocated by task 189:
[   25.630430]  kasan_save_stack+0x3d/0x60
[   25.630430]  kasan_save_track+0x18/0x40
[   25.630430]  kasan_save_alloc_info+0x3b/0x50
[   25.630430]  __kasan_kmalloc+0xb7/0xc0
[   25.630430]  __kmalloc_cache_noprof+0x184/0x410
[   25.630430]  kmalloc_memmove_negative_size+0xad/0x330
[   25.630430]  kunit_try_run_case+0x1b3/0x490
[   25.630430]  kunit_generic_run_threadfn_adapter+0x85/0xf0
[   25.630430]  kthread+0x257/0x310
[   25.630430]  ret_from_fork+0x41/0x80
[   25.630430]  ret_from_fork_asm+0x1a/0x30
[   25.630430] 
[   25.630430] The buggy address belongs to the object at ffff8881028dbf00
[   25.630430]  which belongs to the cache kmalloc-64 of size 64
[   25.630430] The buggy address is located 4 bytes inside of
[   25.630430]  64-byte region [ffff8881028dbf00, ffff8881028dbf40)
[   25.630430] 
[   25.630430] The buggy address belongs to the physical page:
[   25.630430] page: refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1028db
[   25.630430] flags: 0x200000000000000(node=0|zone=2)
[   25.630430] page_type: f5(slab)
[   25.630430] raw: 0200000000000000 ffff8881000418c0 dead000000000122 0000000000000000
[   25.630430] raw: 0000000000000000 0000000080200020 00000001f5000000 0000000000000000
[   25.630430] page dumped because: kasan: bad access detected
[   25.630430] 
[   25.630430] Memory state around the buggy address:
[   25.630430]  ffff8881028dbe00: 00 00 00 00 04 fc fc fc fc fc fc fc fc fc fc fc
[   25.630430]  ffff8881028dbe80: fa fb fb fb fb fb fb fb fc fc fc fc fc fc fc fc
[   25.630430] >ffff8881028dbf00: 00 00 00 00 00 00 00 00 fc fc fc fc fc fc fc fc
[   25.630430]                    ^
[   25.630430]  ffff8881028dbf80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   25.630430]  ffff8881028dc000: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[   25.630430] ==================================================================

[   20.670551] ==================================================================
[   20.671610] BUG: KASAN: out-of-bounds in kmalloc_memmove_negative_size+0x172/0x330
[   20.672004] Read of size 18446744073709551614 at addr ffff8881028b9184 by task kunit_try_catch/187
[   20.673399] 
[   20.673698] CPU: 0 UID: 0 PID: 187 Comm: kunit_try_catch Tainted: G    B            N 6.12.0-next-20241126 #1
[   20.674448] Tainted: [B]=BAD_PAGE, [N]=TEST
[   20.674825] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
[   20.675673] Call Trace:
[   20.676770]  <TASK>
[   20.677201]  dump_stack_lvl+0x73/0xb0
[   20.677481]  print_report+0xd1/0x640
[   20.678311]  ? __virt_addr_valid+0x1db/0x2d0
[   20.678886]  ? kasan_complete_mode_report_info+0x2a/0x200
[   20.680030]  kasan_report+0x102/0x140
[   20.680801]  ? kmalloc_memmove_negative_size+0x172/0x330
[   20.681386]  ? kmalloc_memmove_negative_size+0x172/0x330
[   20.681885]  kasan_check_range+0x10c/0x1c0
[   20.682290]  __asan_memmove+0x27/0x70
[   20.683411]  kmalloc_memmove_negative_size+0x172/0x330
[   20.684326]  ? __pfx_kmalloc_memmove_negative_size+0x10/0x10
[   20.685104]  ? __schedule+0x1ba9/0x2790
[   20.685730]  ? __pfx_read_tsc+0x10/0x10
[   20.686378]  ? ktime_get_ts64+0x84/0x230
[   20.686831]  kunit_try_run_case+0x1b3/0x490
[   20.687546]  ? __pfx_kunit_try_run_case+0x10/0x10
[   20.688282]  ? _raw_spin_lock_irqsave+0xa2/0x110
[   20.688748]  ? _raw_spin_unlock_irqrestore+0x5f/0x90
[   20.689144]  ? __kthread_parkme+0x82/0x160
[   20.689777]  ? preempt_count_sub+0x50/0x80
[   20.690369]  ? __pfx_kunit_try_run_case+0x10/0x10
[   20.690913]  ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10
[   20.691791]  kunit_generic_run_threadfn_adapter+0x85/0xf0
[   20.692524]  kthread+0x257/0x310
[   20.692901]  ? __pfx_kthread+0x10/0x10
[   20.693453]  ret_from_fork+0x41/0x80
[   20.693918]  ? __pfx_kthread+0x10/0x10
[   20.694429]  ret_from_fork_asm+0x1a/0x30
[   20.695354]  </TASK>
[   20.695723] 
[   20.695920] Allocated by task 187:
[   20.696311]  kasan_save_stack+0x3d/0x60
[   20.696853]  kasan_save_track+0x18/0x40
[   20.697399]  kasan_save_alloc_info+0x3b/0x50
[   20.698008]  __kasan_kmalloc+0xb7/0xc0
[   20.698419]  __kmalloc_cache_noprof+0x184/0x410
[   20.699694]  kmalloc_memmove_negative_size+0xad/0x330
[   20.699992]  kunit_try_run_case+0x1b3/0x490
[   20.700850]  kunit_generic_run_threadfn_adapter+0x85/0xf0
[   20.701609]  kthread+0x257/0x310
[   20.702217]  ret_from_fork+0x41/0x80
[   20.702750]  ret_from_fork_asm+0x1a/0x30
[   20.703645] 
[   20.703863] The buggy address belongs to the object at ffff8881028b9180
[   20.703863]  which belongs to the cache kmalloc-64 of size 64
[   20.704645] The buggy address is located 4 bytes inside of
[   20.704645]  64-byte region [ffff8881028b9180, ffff8881028b91c0)
[   20.706266] 
[   20.706531] The buggy address belongs to the physical page:
[   20.707174] page: refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1028b9
[   20.708523] flags: 0x200000000000000(node=0|zone=2)
[   20.709236] page_type: f5(slab)
[   20.709829] raw: 0200000000000000 ffff8881000418c0 dead000000000122 0000000000000000
[   20.710719] raw: 0000000000000000 0000000080200020 00000001f5000000 0000000000000000
[   20.711830] page dumped because: kasan: bad access detected
[   20.712287] 
[   20.712451] Memory state around the buggy address:
[   20.712819]  ffff8881028b9080: 00 00 00 00 01 fc fc fc fc fc fc fc fc fc fc fc
[   20.713376]  ffff8881028b9100: fa fb fb fb fb fb fb fb fc fc fc fc fc fc fc fc
[   20.714107] >ffff8881028b9180: 00 00 00 00 00 00 00 00 fc fc fc fc fc fc fc fc
[   20.714889]                    ^
[   20.715353]  ffff8881028b9200: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   20.715876]  ffff8881028b9280: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   20.716296] ==================================================================