Hay
Date
June 23, 2025, 1:39 p.m.

Environment
qemu-arm64
qemu-x86_64

[   24.003655] ==================================================================
[   24.003805] BUG: KASAN: slab-out-of-bounds in kmalloc_track_caller_oob_right+0x40c/0x488
[   24.003947] Write of size 1 at addr fff00000c63ad878 by task kunit_try_catch/144
[   24.004065] 
[   24.004149] CPU: 0 UID: 0 PID: 144 Comm: kunit_try_catch Tainted: G    B            N  6.15.4-rc1 #1 PREEMPT 
[   24.004335] Tainted: [B]=BAD_PAGE, [N]=TEST
[   24.004415] Hardware name: linux,dummy-virt (DT)
[   24.004490] Call trace:
[   24.004764]  show_stack+0x20/0x38 (C)
[   24.004910]  dump_stack_lvl+0x8c/0xd0
[   24.005047]  print_report+0x118/0x608
[   24.005198]  kasan_report+0xdc/0x128
[   24.005328]  __asan_report_store1_noabort+0x20/0x30
[   24.005546]  kmalloc_track_caller_oob_right+0x40c/0x488
[   24.005819]  kunit_try_run_case+0x170/0x3f0
[   24.006071]  kunit_generic_run_threadfn_adapter+0x88/0x100
[   24.006228]  kthread+0x328/0x630
[   24.006603]  ret_from_fork+0x10/0x20
[   24.007163] 
[   24.007235] Allocated by task 144:
[   24.007315]  kasan_save_stack+0x3c/0x68
[   24.007808]  kasan_save_track+0x20/0x40
[   24.007897]  kasan_save_alloc_info+0x40/0x58
[   24.008042]  __kasan_kmalloc+0xd4/0xd8
[   24.008143]  __kmalloc_node_track_caller_noprof+0x194/0x4b8
[   24.008253]  kmalloc_track_caller_oob_right+0xa8/0x488
[   24.008366]  kunit_try_run_case+0x170/0x3f0
[   24.008494]  kunit_generic_run_threadfn_adapter+0x88/0x100
[   24.008599]  kthread+0x328/0x630
[   24.008690]  ret_from_fork+0x10/0x20
[   24.008791] 
[   24.008845] The buggy address belongs to the object at fff00000c63ad800
[   24.008845]  which belongs to the cache kmalloc-128 of size 128
[   24.008986] The buggy address is located 0 bytes to the right of
[   24.008986]  allocated 120-byte region [fff00000c63ad800, fff00000c63ad878)
[   24.009153] 
[   24.009226] The buggy address belongs to the physical page:
[   24.009307] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1063ad
[   24.010455] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff)
[   24.010664] page_type: f5(slab)
[   24.010770] raw: 0bfffe0000000000 fff00000c0001a00 dead000000000122 0000000000000000
[   24.010933] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000
[   24.011047] page dumped because: kasan: bad access detected
[   24.011299] 
[   24.011466] Memory state around the buggy address:
[   24.011597]  fff00000c63ad700: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[   24.011760]  fff00000c63ad780: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   24.011874] >fff00000c63ad800: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc
[   24.011974]                                                                 ^
[   24.012328]  fff00000c63ad880: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   24.012470]  fff00000c63ad900: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   24.012681] ==================================================================

[   16.079967] ==================================================================
[   16.080424] BUG: KASAN: slab-out-of-bounds in kmalloc_track_caller_oob_right+0x4b1/0x520
[   16.081106] Write of size 1 at addr ffff888102a13078 by task kunit_try_catch/163
[   16.082373] 
[   16.082888] CPU: 0 UID: 0 PID: 163 Comm: kunit_try_catch Tainted: G    B            N  6.15.4-rc1 #1 PREEMPT(voluntary) 
[   16.083008] Tainted: [B]=BAD_PAGE, [N]=TEST
[   16.083067] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
[   16.083136] Call Trace:
[   16.083173]  <TASK>
[   16.083213]  dump_stack_lvl+0x73/0xb0
[   16.083286]  print_report+0xd1/0x650
[   16.083353]  ? __virt_addr_valid+0x1db/0x2d0
[   16.083392]  ? kmalloc_track_caller_oob_right+0x4b1/0x520
[   16.083425]  ? kasan_complete_mode_report_info+0x2a/0x200
[   16.083458]  ? kmalloc_track_caller_oob_right+0x4b1/0x520
[   16.083490]  kasan_report+0x141/0x180
[   16.083523]  ? kmalloc_track_caller_oob_right+0x4b1/0x520
[   16.083560]  __asan_report_store1_noabort+0x1b/0x30
[   16.083590]  kmalloc_track_caller_oob_right+0x4b1/0x520
[   16.083690]  ? __pfx_kmalloc_track_caller_oob_right+0x10/0x10
[   16.083757]  ? __schedule+0x10cc/0x2b60
[   16.083793]  ? __pfx_read_tsc+0x10/0x10
[   16.083822]  ? ktime_get_ts64+0x86/0x230
[   16.083860]  kunit_try_run_case+0x1a5/0x480
[   16.083896]  ? __pfx_kunit_try_run_case+0x10/0x10
[   16.083930]  ? _raw_spin_lock_irqsave+0xa1/0x100
[   16.083963]  ? _raw_spin_unlock_irqrestore+0x5f/0x90
[   16.083997]  ? __kthread_parkme+0x82/0x180
[   16.084029]  ? preempt_count_sub+0x50/0x80
[   16.084067]  ? __pfx_kunit_try_run_case+0x10/0x10
[   16.084104]  kunit_generic_run_threadfn_adapter+0x85/0xf0
[   16.084138]  ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10
[   16.084171]  kthread+0x337/0x6f0
[   16.084195]  ? trace_preempt_on+0x20/0xc0
[   16.084259]  ? __pfx_kthread+0x10/0x10
[   16.084292]  ? _raw_spin_unlock_irq+0x47/0x80
[   16.084326]  ? calculate_sigpending+0x7b/0xa0
[   16.084358]  ? __pfx_kthread+0x10/0x10
[   16.084385]  ret_from_fork+0x41/0x80
[   16.084416]  ? __pfx_kthread+0x10/0x10
[   16.084443]  ret_from_fork_asm+0x1a/0x30
[   16.084485]  </TASK>
[   16.084499] 
[   16.103842] Allocated by task 163:
[   16.104332]  kasan_save_stack+0x45/0x70
[   16.104817]  kasan_save_track+0x18/0x40
[   16.105413]  kasan_save_alloc_info+0x3b/0x50
[   16.106315]  __kasan_kmalloc+0xb7/0xc0
[   16.107028]  __kmalloc_node_track_caller_noprof+0x1cb/0x500
[   16.107462]  kmalloc_track_caller_oob_right+0x19a/0x520
[   16.107990]  kunit_try_run_case+0x1a5/0x480
[   16.108379]  kunit_generic_run_threadfn_adapter+0x85/0xf0
[   16.108920]  kthread+0x337/0x6f0
[   16.109649]  ret_from_fork+0x41/0x80
[   16.110272]  ret_from_fork_asm+0x1a/0x30
[   16.110588] 
[   16.111193] The buggy address belongs to the object at ffff888102a13000
[   16.111193]  which belongs to the cache kmalloc-128 of size 128
[   16.112493] The buggy address is located 0 bytes to the right of
[   16.112493]  allocated 120-byte region [ffff888102a13000, ffff888102a13078)
[   16.113379] 
[   16.113814] The buggy address belongs to the physical page:
[   16.114472] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x102a13
[   16.114975] flags: 0x200000000000000(node=0|zone=2)
[   16.115960] page_type: f5(slab)
[   16.116575] raw: 0200000000000000 ffff888100041a00 dead000000000122 0000000000000000
[   16.117243] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000
[   16.118241] page dumped because: kasan: bad access detected
[   16.118944] 
[   16.119673] Memory state around the buggy address:
[   16.120115]  ffff888102a12f00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   16.121193]  ffff888102a12f80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   16.122172] >ffff888102a13000: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc
[   16.122784]                                                                 ^
[   16.123739]  ffff888102a13080: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   16.124632]  ffff888102a13100: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   16.125509] ==================================================================
[   16.031901] ==================================================================
[   16.032857] BUG: KASAN: slab-out-of-bounds in kmalloc_track_caller_oob_right+0x4c8/0x520
[   16.034049] Write of size 1 at addr ffff888102a08f78 by task kunit_try_catch/163
[   16.035441] 
[   16.036027] CPU: 0 UID: 0 PID: 163 Comm: kunit_try_catch Tainted: G    B            N  6.15.4-rc1 #1 PREEMPT(voluntary) 
[   16.036176] Tainted: [B]=BAD_PAGE, [N]=TEST
[   16.036210] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
[   16.036262] Call Trace:
[   16.036290]  <TASK>
[   16.036311]  dump_stack_lvl+0x73/0xb0
[   16.036351]  print_report+0xd1/0x650
[   16.036386]  ? __virt_addr_valid+0x1db/0x2d0
[   16.036417]  ? kmalloc_track_caller_oob_right+0x4c8/0x520
[   16.036448]  ? kasan_complete_mode_report_info+0x2a/0x200
[   16.036482]  ? kmalloc_track_caller_oob_right+0x4c8/0x520
[   16.036513]  kasan_report+0x141/0x180
[   16.036546]  ? kmalloc_track_caller_oob_right+0x4c8/0x520
[   16.036583]  __asan_report_store1_noabort+0x1b/0x30
[   16.036676]  kmalloc_track_caller_oob_right+0x4c8/0x520
[   16.036750]  ? __pfx_kmalloc_track_caller_oob_right+0x10/0x10
[   16.036816]  ? __schedule+0x10cc/0x2b60
[   16.036895]  ? __pfx_read_tsc+0x10/0x10
[   16.036961]  ? ktime_get_ts64+0x86/0x230
[   16.037042]  kunit_try_run_case+0x1a5/0x480
[   16.037112]  ? __pfx_kunit_try_run_case+0x10/0x10
[   16.037147]  ? _raw_spin_lock_irqsave+0xa1/0x100
[   16.037182]  ? _raw_spin_unlock_irqrestore+0x5f/0x90
[   16.037222]  ? __kthread_parkme+0x82/0x180
[   16.037279]  ? preempt_count_sub+0x50/0x80
[   16.037317]  ? __pfx_kunit_try_run_case+0x10/0x10
[   16.037351]  kunit_generic_run_threadfn_adapter+0x85/0xf0
[   16.037384]  ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10
[   16.037416]  kthread+0x337/0x6f0
[   16.037438]  ? trace_preempt_on+0x20/0xc0
[   16.037471]  ? __pfx_kthread+0x10/0x10
[   16.037494]  ? _raw_spin_unlock_irq+0x47/0x80
[   16.037524]  ? calculate_sigpending+0x7b/0xa0
[   16.037553]  ? __pfx_kthread+0x10/0x10
[   16.037577]  ret_from_fork+0x41/0x80
[   16.037658]  ? __pfx_kthread+0x10/0x10
[   16.037728]  ret_from_fork_asm+0x1a/0x30
[   16.037782]  </TASK>
[   16.037797] 
[   16.057356] Allocated by task 163:
[   16.057896]  kasan_save_stack+0x45/0x70
[   16.058482]  kasan_save_track+0x18/0x40
[   16.059068]  kasan_save_alloc_info+0x3b/0x50
[   16.059645]  __kasan_kmalloc+0xb7/0xc0
[   16.060031]  __kmalloc_node_track_caller_noprof+0x1cb/0x500
[   16.061155]  kmalloc_track_caller_oob_right+0x99/0x520
[   16.061819]  kunit_try_run_case+0x1a5/0x480
[   16.062337]  kunit_generic_run_threadfn_adapter+0x85/0xf0
[   16.062968]  kthread+0x337/0x6f0
[   16.063379]  ret_from_fork+0x41/0x80
[   16.063918]  ret_from_fork_asm+0x1a/0x30
[   16.064368] 
[   16.064926] The buggy address belongs to the object at ffff888102a08f00
[   16.064926]  which belongs to the cache kmalloc-128 of size 128
[   16.065840] The buggy address is located 0 bytes to the right of
[   16.065840]  allocated 120-byte region [ffff888102a08f00, ffff888102a08f78)
[   16.066968] 
[   16.067190] The buggy address belongs to the physical page:
[   16.067861] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x102a08
[   16.068759] flags: 0x200000000000000(node=0|zone=2)
[   16.069265] page_type: f5(slab)
[   16.069829] raw: 0200000000000000 ffff888100041a00 dead000000000122 0000000000000000
[   16.070485] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000
[   16.071420] page dumped because: kasan: bad access detected
[   16.072095] 
[   16.072575] Memory state around the buggy address:
[   16.073227]  ffff888102a08e00: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[   16.073663]  ffff888102a08e80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   16.074808] >ffff888102a08f00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc
[   16.075338]                                                                 ^
[   16.076428]  ffff888102a08f80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   16.077136]  ffff888102a09000: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[   16.078127] ==================================================================