Hay
Date
July 20, 2025, 11:12 p.m.

Environment
qemu-arm64
qemu-x86_64

[   16.659511] ==================================================================
[   16.659583] BUG: KASAN: slab-out-of-bounds in kmalloc_oob_memset_16+0x150/0x2f8
[   16.660055] Write of size 16 at addr fff00000c3edd869 by task kunit_try_catch/178
[   16.660445] 
[   16.660660] CPU: 1 UID: 0 PID: 178 Comm: kunit_try_catch Tainted: G    B            N  6.16.0-rc7 #1 PREEMPT 
[   16.660801] Tainted: [B]=BAD_PAGE, [N]=TEST
[   16.660827] Hardware name: linux,dummy-virt (DT)
[   16.660858] Call trace:
[   16.660883]  show_stack+0x20/0x38 (C)
[   16.660948]  dump_stack_lvl+0x8c/0xd0
[   16.660994]  print_report+0x118/0x5d0
[   16.661041]  kasan_report+0xdc/0x128
[   16.661085]  kasan_check_range+0x100/0x1a8
[   16.661132]  __asan_memset+0x34/0x78
[   16.661173]  kmalloc_oob_memset_16+0x150/0x2f8
[   16.661218]  kunit_try_run_case+0x170/0x3f0
[   16.661267]  kunit_generic_run_threadfn_adapter+0x88/0x100
[   16.661322]  kthread+0x328/0x630
[   16.661365]  ret_from_fork+0x10/0x20
[   16.661429] 
[   16.661451] Allocated by task 178:
[   16.661479]  kasan_save_stack+0x3c/0x68
[   16.661520]  kasan_save_track+0x20/0x40
[   16.661572]  kasan_save_alloc_info+0x40/0x58
[   16.661617]  __kasan_kmalloc+0xd4/0xd8
[   16.661653]  __kmalloc_cache_noprof+0x16c/0x3c0
[   16.661701]  kmalloc_oob_memset_16+0xb0/0x2f8
[   16.661738]  kunit_try_run_case+0x170/0x3f0
[   16.661774]  kunit_generic_run_threadfn_adapter+0x88/0x100
[   16.662317]  kthread+0x328/0x630
[   16.662415]  ret_from_fork+0x10/0x20
[   16.662650] 
[   16.662796] The buggy address belongs to the object at fff00000c3edd800
[   16.662796]  which belongs to the cache kmalloc-128 of size 128
[   16.662882] The buggy address is located 105 bytes inside of
[   16.662882]  allocated 120-byte region [fff00000c3edd800, fff00000c3edd878)
[   16.663037] 
[   16.663070] The buggy address belongs to the physical page:
[   16.663117] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x103edd
[   16.663190] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff)
[   16.663330] page_type: f5(slab)
[   16.663418] raw: 0bfffe0000000000 fff00000c0001a00 dead000000000122 0000000000000000
[   16.663691] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000
[   16.663947] page dumped because: kasan: bad access detected
[   16.664089] 
[   16.664206] Memory state around the buggy address:
[   16.664375]  fff00000c3edd700: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[   16.664474]  fff00000c3edd780: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   16.664525] >fff00000c3edd800: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc
[   16.664572]                                                                 ^
[   16.664994]  fff00000c3edd880: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   16.665175]  fff00000c3edd900: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   16.665318] ==================================================================

[   16.634562] ==================================================================
[   16.634822] BUG: KASAN: slab-out-of-bounds in kmalloc_oob_memset_16+0x150/0x2f8
[   16.634904] Write of size 16 at addr fff00000c58dcc69 by task kunit_try_catch/178
[   16.635013] 
[   16.635049] CPU: 1 UID: 0 PID: 178 Comm: kunit_try_catch Tainted: G    B            N  6.16.0-rc7 #1 PREEMPT 
[   16.635168] Tainted: [B]=BAD_PAGE, [N]=TEST
[   16.635208] Hardware name: linux,dummy-virt (DT)
[   16.635444] Call trace:
[   16.635596]  show_stack+0x20/0x38 (C)
[   16.635762]  dump_stack_lvl+0x8c/0xd0
[   16.635823]  print_report+0x118/0x5d0
[   16.636163]  kasan_report+0xdc/0x128
[   16.636225]  kasan_check_range+0x100/0x1a8
[   16.636316]  __asan_memset+0x34/0x78
[   16.636363]  kmalloc_oob_memset_16+0x150/0x2f8
[   16.636631]  kunit_try_run_case+0x170/0x3f0
[   16.636727]  kunit_generic_run_threadfn_adapter+0x88/0x100
[   16.636782]  kthread+0x328/0x630
[   16.636826]  ret_from_fork+0x10/0x20
[   16.636881] 
[   16.636899] Allocated by task 178:
[   16.637213]  kasan_save_stack+0x3c/0x68
[   16.637355]  kasan_save_track+0x20/0x40
[   16.637453]  kasan_save_alloc_info+0x40/0x58
[   16.637608]  __kasan_kmalloc+0xd4/0xd8
[   16.637843]  __kmalloc_cache_noprof+0x16c/0x3c0
[   16.638098]  kmalloc_oob_memset_16+0xb0/0x2f8
[   16.638239]  kunit_try_run_case+0x170/0x3f0
[   16.638317]  kunit_generic_run_threadfn_adapter+0x88/0x100
[   16.638422]  kthread+0x328/0x630
[   16.638541]  ret_from_fork+0x10/0x20
[   16.638649] 
[   16.638795] The buggy address belongs to the object at fff00000c58dcc00
[   16.638795]  which belongs to the cache kmalloc-128 of size 128
[   16.638871] The buggy address is located 105 bytes inside of
[   16.638871]  allocated 120-byte region [fff00000c58dcc00, fff00000c58dcc78)
[   16.639315] 
[   16.639344] The buggy address belongs to the physical page:
[   16.639695] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1058dc
[   16.639915] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff)
[   16.640060] page_type: f5(slab)
[   16.640205] raw: 0bfffe0000000000 fff00000c0001a00 dead000000000122 0000000000000000
[   16.640301] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000
[   16.640645] page dumped because: kasan: bad access detected
[   16.640700] 
[   16.640892] Memory state around the buggy address:
[   16.640940]  fff00000c58dcb00: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[   16.641030]  fff00000c58dcb80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   16.641149] >fff00000c58dcc00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc
[   16.641215]                                                                 ^
[   16.641257]  fff00000c58dcc80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   16.641475]  fff00000c58dcd00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   16.641586] ==================================================================

[   12.805693] ==================================================================
[   12.806299] BUG: KASAN: slab-out-of-bounds in kmalloc_oob_memset_16+0x166/0x330
[   12.806787] Write of size 16 at addr ffff88810313a769 by task kunit_try_catch/196
[   12.807121] 
[   12.807243] CPU: 0 UID: 0 PID: 196 Comm: kunit_try_catch Tainted: G    B            N  6.16.0-rc7 #1 PREEMPT(voluntary) 
[   12.807287] Tainted: [B]=BAD_PAGE, [N]=TEST
[   12.807299] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
[   12.807319] Call Trace:
[   12.807332]  <TASK>
[   12.807347]  dump_stack_lvl+0x73/0xb0
[   12.807377]  print_report+0xd1/0x610
[   12.807410]  ? __virt_addr_valid+0x1db/0x2d0
[   12.807432]  ? kmalloc_oob_memset_16+0x166/0x330
[   12.807454]  ? kasan_complete_mode_report_info+0x2a/0x200
[   12.807476]  ? kmalloc_oob_memset_16+0x166/0x330
[   12.807498]  kasan_report+0x141/0x180
[   12.807519]  ? kmalloc_oob_memset_16+0x166/0x330
[   12.807547]  kasan_check_range+0x10c/0x1c0
[   12.807570]  __asan_memset+0x27/0x50
[   12.807813]  kmalloc_oob_memset_16+0x166/0x330
[   12.807840]  ? __pfx_kmalloc_oob_memset_16+0x10/0x10
[   12.807863]  ? __schedule+0x10c6/0x2b60
[   12.807885]  ? __pfx_read_tsc+0x10/0x10
[   12.807907]  ? ktime_get_ts64+0x86/0x230
[   12.807932]  kunit_try_run_case+0x1a5/0x480
[   12.807956]  ? __pfx_kunit_try_run_case+0x10/0x10
[   12.807995]  ? _raw_spin_lock_irqsave+0xa1/0x100
[   12.808019]  ? _raw_spin_unlock_irqrestore+0x5f/0x90
[   12.808053]  ? __kthread_parkme+0x82/0x180
[   12.808074]  ? preempt_count_sub+0x50/0x80
[   12.808097]  ? __pfx_kunit_try_run_case+0x10/0x10
[   12.808121]  kunit_generic_run_threadfn_adapter+0x85/0xf0
[   12.808144]  ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10
[   12.808167]  kthread+0x337/0x6f0
[   12.808250]  ? trace_preempt_on+0x20/0xc0
[   12.808274]  ? __pfx_kthread+0x10/0x10
[   12.808295]  ? _raw_spin_unlock_irq+0x47/0x80
[   12.808317]  ? calculate_sigpending+0x7b/0xa0
[   12.808340]  ? __pfx_kthread+0x10/0x10
[   12.808362]  ret_from_fork+0x116/0x1d0
[   12.808380]  ? __pfx_kthread+0x10/0x10
[   12.808412]  ret_from_fork_asm+0x1a/0x30
[   12.808444]  </TASK>
[   12.808455] 
[   12.816522] Allocated by task 196:
[   12.816843]  kasan_save_stack+0x45/0x70
[   12.817049]  kasan_save_track+0x18/0x40
[   12.817227]  kasan_save_alloc_info+0x3b/0x50
[   12.817378]  __kasan_kmalloc+0xb7/0xc0
[   12.817582]  __kmalloc_cache_noprof+0x189/0x420
[   12.817900]  kmalloc_oob_memset_16+0xac/0x330
[   12.818236]  kunit_try_run_case+0x1a5/0x480
[   12.818419]  kunit_generic_run_threadfn_adapter+0x85/0xf0
[   12.818678]  kthread+0x337/0x6f0
[   12.818857]  ret_from_fork+0x116/0x1d0
[   12.819098]  ret_from_fork_asm+0x1a/0x30
[   12.819309] 
[   12.819411] The buggy address belongs to the object at ffff88810313a700
[   12.819411]  which belongs to the cache kmalloc-128 of size 128
[   12.819920] The buggy address is located 105 bytes inside of
[   12.819920]  allocated 120-byte region [ffff88810313a700, ffff88810313a778)
[   12.820284] 
[   12.820358] The buggy address belongs to the physical page:
[   12.820584] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x10313a
[   12.820937] flags: 0x200000000000000(node=0|zone=2)
[   12.821171] page_type: f5(slab)
[   12.821450] raw: 0200000000000000 ffff888100041a00 dead000000000122 0000000000000000
[   12.821828] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000
[   12.822117] page dumped because: kasan: bad access detected
[   12.822373] 
[   12.822476] Memory state around the buggy address:
[   12.822778]  ffff88810313a600: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[   12.823090]  ffff88810313a680: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   12.823410] >ffff88810313a700: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc
[   12.823731]                                                                 ^
[   12.823951]  ffff88810313a780: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   12.824517]  ffff88810313a800: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   12.824853] ==================================================================

[   12.936388] ==================================================================
[   12.937046] BUG: KASAN: slab-out-of-bounds in kmalloc_oob_memset_16+0x166/0x330
[   12.937463] Write of size 16 at addr ffff888102a51069 by task kunit_try_catch/195
[   12.937810] 
[   12.938015] CPU: 0 UID: 0 PID: 195 Comm: kunit_try_catch Tainted: G    B            N  6.16.0-rc7 #1 PREEMPT(voluntary) 
[   12.938063] Tainted: [B]=BAD_PAGE, [N]=TEST
[   12.938075] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
[   12.938097] Call Trace:
[   12.938111]  <TASK>
[   12.938161]  dump_stack_lvl+0x73/0xb0
[   12.938192]  print_report+0xd1/0x610
[   12.938230]  ? __virt_addr_valid+0x1db/0x2d0
[   12.938253]  ? kmalloc_oob_memset_16+0x166/0x330
[   12.938273]  ? kasan_complete_mode_report_info+0x2a/0x200
[   12.938308]  ? kmalloc_oob_memset_16+0x166/0x330
[   12.938329]  kasan_report+0x141/0x180
[   12.938363]  ? kmalloc_oob_memset_16+0x166/0x330
[   12.938389]  kasan_check_range+0x10c/0x1c0
[   12.938411]  __asan_memset+0x27/0x50
[   12.938430]  kmalloc_oob_memset_16+0x166/0x330
[   12.938452]  ? __pfx_kmalloc_oob_memset_16+0x10/0x10
[   12.938474]  ? __schedule+0x10c6/0x2b60
[   12.938497]  ? __pfx_read_tsc+0x10/0x10
[   12.938517]  ? ktime_get_ts64+0x86/0x230
[   12.938541]  kunit_try_run_case+0x1a5/0x480
[   12.938566]  ? __pfx_kunit_try_run_case+0x10/0x10
[   12.938588]  ? _raw_spin_lock_irqsave+0xa1/0x100
[   12.938611]  ? _raw_spin_unlock_irqrestore+0x5f/0x90
[   12.938633]  ? __kthread_parkme+0x82/0x180
[   12.938653]  ? preempt_count_sub+0x50/0x80
[   12.938677]  ? __pfx_kunit_try_run_case+0x10/0x10
[   12.938700]  kunit_generic_run_threadfn_adapter+0x85/0xf0
[   12.938723]  ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10
[   12.938746]  kthread+0x337/0x6f0
[   12.938765]  ? trace_preempt_on+0x20/0xc0
[   12.938787]  ? __pfx_kthread+0x10/0x10
[   12.938808]  ? _raw_spin_unlock_irq+0x47/0x80
[   12.938828]  ? calculate_sigpending+0x7b/0xa0
[   12.938852]  ? __pfx_kthread+0x10/0x10
[   12.938883]  ret_from_fork+0x116/0x1d0
[   12.938900]  ? __pfx_kthread+0x10/0x10
[   12.938920]  ret_from_fork_asm+0x1a/0x30
[   12.938950]  </TASK>
[   12.938960] 
[   12.947292] Allocated by task 195:
[   12.947489]  kasan_save_stack+0x45/0x70
[   12.947696]  kasan_save_track+0x18/0x40
[   12.948074]  kasan_save_alloc_info+0x3b/0x50
[   12.948347]  __kasan_kmalloc+0xb7/0xc0
[   12.948568]  __kmalloc_cache_noprof+0x189/0x420
[   12.948820]  kmalloc_oob_memset_16+0xac/0x330
[   12.949086]  kunit_try_run_case+0x1a5/0x480
[   12.949308]  kunit_generic_run_threadfn_adapter+0x85/0xf0
[   12.949556]  kthread+0x337/0x6f0
[   12.949755]  ret_from_fork+0x116/0x1d0
[   12.950012]  ret_from_fork_asm+0x1a/0x30
[   12.950210] 
[   12.950306] The buggy address belongs to the object at ffff888102a51000
[   12.950306]  which belongs to the cache kmalloc-128 of size 128
[   12.950828] The buggy address is located 105 bytes inside of
[   12.950828]  allocated 120-byte region [ffff888102a51000, ffff888102a51078)
[   12.951315] 
[   12.951392] The buggy address belongs to the physical page:
[   12.951771] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x102a51
[   12.952473] flags: 0x200000000000000(node=0|zone=2)
[   12.952726] page_type: f5(slab)
[   12.952923] raw: 0200000000000000 ffff888100041a00 dead000000000122 0000000000000000
[   12.953460] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000
[   12.953797] page dumped because: kasan: bad access detected
[   12.954066] 
[   12.954171] Memory state around the buggy address:
[   12.954332]  ffff888102a50f00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   12.954597]  ffff888102a50f80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   12.955376] >ffff888102a51000: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc
[   12.955717]                                                                 ^
[   12.956068]  ffff888102a51080: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   12.956628]  ffff888102a51100: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   12.956978] ==================================================================