Hay
Date
July 18, 2025, 11:11 p.m.

Environment
qemu-arm64
qemu-x86_64

[   15.087760] ==================================================================
[   15.087816] BUG: KASAN: slab-out-of-bounds in kmalloc_track_caller_oob_right+0x40c/0x488
[   15.087891] Write of size 1 at addr fff00000c3f17978 by task kunit_try_catch/142
[   15.087949] 
[   15.087981] CPU: 1 UID: 0 PID: 142 Comm: kunit_try_catch Tainted: G    B            N  6.16.0-rc6 #1 PREEMPT 
[   15.088066] Tainted: [B]=BAD_PAGE, [N]=TEST
[   15.088092] Hardware name: linux,dummy-virt (DT)
[   15.088124] Call trace:
[   15.088155]  show_stack+0x20/0x38 (C)
[   15.088205]  dump_stack_lvl+0x8c/0xd0
[   15.088253]  print_report+0x118/0x5d0
[   15.088299]  kasan_report+0xdc/0x128
[   15.088708]  __asan_report_store1_noabort+0x20/0x30
[   15.089079]  kmalloc_track_caller_oob_right+0x40c/0x488
[   15.089167]  kunit_try_run_case+0x170/0x3f0
[   15.089234]  kunit_generic_run_threadfn_adapter+0x88/0x100
[   15.089287]  kthread+0x328/0x630
[   15.089347]  ret_from_fork+0x10/0x20
[   15.089428] 
[   15.089952] Allocated by task 142:
[   15.090034]  kasan_save_stack+0x3c/0x68
[   15.090099]  kasan_save_track+0x20/0x40
[   15.090265]  kasan_save_alloc_info+0x40/0x58
[   15.090346]  __kasan_kmalloc+0xd4/0xd8
[   15.090402]  __kmalloc_node_track_caller_noprof+0x194/0x4b8
[   15.090454]  kmalloc_track_caller_oob_right+0xa8/0x488
[   15.090495]  kunit_try_run_case+0x170/0x3f0
[   15.090863]  kunit_generic_run_threadfn_adapter+0x88/0x100
[   15.090941]  kthread+0x328/0x630
[   15.091150]  ret_from_fork+0x10/0x20
[   15.091371] 
[   15.091778] The buggy address belongs to the object at fff00000c3f17900
[   15.091778]  which belongs to the cache kmalloc-128 of size 128
[   15.091955] The buggy address is located 0 bytes to the right of
[   15.091955]  allocated 120-byte region [fff00000c3f17900, fff00000c3f17978)
[   15.092079] 
[   15.092189] The buggy address belongs to the physical page:
[   15.092298] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x103f17
[   15.092414] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff)
[   15.092799] page_type: f5(slab)
[   15.093051] raw: 0bfffe0000000000 fff00000c0001a00 dead000000000122 0000000000000000
[   15.093149] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000
[   15.093360] page dumped because: kasan: bad access detected
[   15.093396] 
[   15.093414] Memory state around the buggy address:
[   15.093461]  fff00000c3f17800: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[   15.093687]  fff00000c3f17880: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   15.093872] >fff00000c3f17900: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc
[   15.093946]                                                                 ^
[   15.094139]  fff00000c3f17980: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   15.094278]  fff00000c3f17a00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   15.094374] ==================================================================
[   15.096114] ==================================================================
[   15.096256] BUG: KASAN: slab-out-of-bounds in kmalloc_track_caller_oob_right+0x418/0x488
[   15.096478] Write of size 1 at addr fff00000c3f17a78 by task kunit_try_catch/142
[   15.096572] 
[   15.096606] CPU: 1 UID: 0 PID: 142 Comm: kunit_try_catch Tainted: G    B            N  6.16.0-rc6 #1 PREEMPT 
[   15.096688] Tainted: [B]=BAD_PAGE, [N]=TEST
[   15.096715] Hardware name: linux,dummy-virt (DT)
[   15.097034] Call trace:
[   15.097177]  show_stack+0x20/0x38 (C)
[   15.097880]  dump_stack_lvl+0x8c/0xd0
[   15.097980]  print_report+0x118/0x5d0
[   15.098118]  kasan_report+0xdc/0x128
[   15.098167]  __asan_report_store1_noabort+0x20/0x30
[   15.098787]  kmalloc_track_caller_oob_right+0x418/0x488
[   15.098894]  kunit_try_run_case+0x170/0x3f0
[   15.099044]  kunit_generic_run_threadfn_adapter+0x88/0x100
[   15.099197]  kthread+0x328/0x630
[   15.099241]  ret_from_fork+0x10/0x20
[   15.099498] 
[   15.099523] Allocated by task 142:
[   15.099672]  kasan_save_stack+0x3c/0x68
[   15.099742]  kasan_save_track+0x20/0x40
[   15.100081]  kasan_save_alloc_info+0x40/0x58
[   15.100207]  __kasan_kmalloc+0xd4/0xd8
[   15.100431]  __kmalloc_node_track_caller_noprof+0x194/0x4b8
[   15.100587]  kmalloc_track_caller_oob_right+0x184/0x488
[   15.100918]  kunit_try_run_case+0x170/0x3f0
[   15.101206]  kunit_generic_run_threadfn_adapter+0x88/0x100
[   15.101386]  kthread+0x328/0x630
[   15.101423]  ret_from_fork+0x10/0x20
[   15.101457] 
[   15.101478] The buggy address belongs to the object at fff00000c3f17a00
[   15.101478]  which belongs to the cache kmalloc-128 of size 128
[   15.101800] The buggy address is located 0 bytes to the right of
[   15.101800]  allocated 120-byte region [fff00000c3f17a00, fff00000c3f17a78)
[   15.101980] 
[   15.102086] The buggy address belongs to the physical page:
[   15.102125] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x103f17
[   15.102473] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff)
[   15.102679] page_type: f5(slab)
[   15.102795] raw: 0bfffe0000000000 fff00000c0001a00 dead000000000122 0000000000000000
[   15.103013] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000
[   15.103058] page dumped because: kasan: bad access detected
[   15.103431] 
[   15.103482] Memory state around the buggy address:
[   15.103569]  fff00000c3f17900: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[   15.103698]  fff00000c3f17980: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   15.104196] >fff00000c3f17a00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc
[   15.104279]                                                                 ^
[   15.104477]  fff00000c3f17a80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   15.104533]  fff00000c3f17b00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   15.104581] ==================================================================

[   11.509951] ==================================================================
[   11.510485] BUG: KASAN: slab-out-of-bounds in kmalloc_track_caller_oob_right+0x4b1/0x520
[   11.510979] Write of size 1 at addr ffff8881029ce078 by task kunit_try_catch/161
[   11.511773] 
[   11.512069] CPU: 0 UID: 0 PID: 161 Comm: kunit_try_catch Tainted: G    B            N  6.16.0-rc6 #1 PREEMPT(voluntary) 
[   11.512118] Tainted: [B]=BAD_PAGE, [N]=TEST
[   11.512130] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
[   11.512150] Call Trace:
[   11.512162]  <TASK>
[   11.512177]  dump_stack_lvl+0x73/0xb0
[   11.512240]  print_report+0xd1/0x610
[   11.512262]  ? __virt_addr_valid+0x1db/0x2d0
[   11.512295]  ? kmalloc_track_caller_oob_right+0x4b1/0x520
[   11.512318]  ? kasan_complete_mode_report_info+0x2a/0x200
[   11.512340]  ? kmalloc_track_caller_oob_right+0x4b1/0x520
[   11.512364]  kasan_report+0x141/0x180
[   11.512385]  ? kmalloc_track_caller_oob_right+0x4b1/0x520
[   11.512414]  __asan_report_store1_noabort+0x1b/0x30
[   11.512457]  kmalloc_track_caller_oob_right+0x4b1/0x520
[   11.512481]  ? __pfx_kmalloc_track_caller_oob_right+0x10/0x10
[   11.512506]  ? __schedule+0x10cc/0x2b60
[   11.512528]  ? __pfx_read_tsc+0x10/0x10
[   11.512547]  ? ktime_get_ts64+0x86/0x230
[   11.512571]  kunit_try_run_case+0x1a5/0x480
[   11.512594]  ? __pfx_kunit_try_run_case+0x10/0x10
[   11.512616]  ? _raw_spin_lock_irqsave+0xa1/0x100
[   11.512638]  ? _raw_spin_unlock_irqrestore+0x5f/0x90
[   11.512661]  ? __kthread_parkme+0x82/0x180
[   11.512679]  ? preempt_count_sub+0x50/0x80
[   11.512702]  ? __pfx_kunit_try_run_case+0x10/0x10
[   11.512725]  kunit_generic_run_threadfn_adapter+0x85/0xf0
[   11.512747]  ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10
[   11.512770]  kthread+0x337/0x6f0
[   11.512788]  ? trace_preempt_on+0x20/0xc0
[   11.512810]  ? __pfx_kthread+0x10/0x10
[   11.512829]  ? _raw_spin_unlock_irq+0x47/0x80
[   11.512849]  ? calculate_sigpending+0x7b/0xa0
[   11.512872]  ? __pfx_kthread+0x10/0x10
[   11.512892]  ret_from_fork+0x116/0x1d0
[   11.512910]  ? __pfx_kthread+0x10/0x10
[   11.512938]  ret_from_fork_asm+0x1a/0x30
[   11.512967]  </TASK>
[   11.512976] 
[   11.524579] Allocated by task 161:
[   11.524747]  kasan_save_stack+0x45/0x70
[   11.524940]  kasan_save_track+0x18/0x40
[   11.525387]  kasan_save_alloc_info+0x3b/0x50
[   11.525803]  __kasan_kmalloc+0xb7/0xc0
[   11.526098]  __kmalloc_node_track_caller_noprof+0x1cb/0x500
[   11.526630]  kmalloc_track_caller_oob_right+0x19a/0x520
[   11.527028]  kunit_try_run_case+0x1a5/0x480
[   11.527240]  kunit_generic_run_threadfn_adapter+0x85/0xf0
[   11.527738]  kthread+0x337/0x6f0
[   11.527952]  ret_from_fork+0x116/0x1d0
[   11.528286]  ret_from_fork_asm+0x1a/0x30
[   11.528680] 
[   11.528780] The buggy address belongs to the object at ffff8881029ce000
[   11.528780]  which belongs to the cache kmalloc-128 of size 128
[   11.529800] The buggy address is located 0 bytes to the right of
[   11.529800]  allocated 120-byte region [ffff8881029ce000, ffff8881029ce078)
[   11.530730] 
[   11.530847] The buggy address belongs to the physical page:
[   11.531363] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1029ce
[   11.531866] flags: 0x200000000000000(node=0|zone=2)
[   11.532263] page_type: f5(slab)
[   11.532433] raw: 0200000000000000 ffff888100041a00 dead000000000122 0000000000000000
[   11.532752] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000
[   11.533308] page dumped because: kasan: bad access detected
[   11.533736] 
[   11.533832] Memory state around the buggy address:
[   11.534319]  ffff8881029cdf00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   11.534775]  ffff8881029cdf80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   11.535332] >ffff8881029ce000: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc
[   11.535826]                                                                 ^
[   11.536424]  ffff8881029ce080: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   11.536722]  ffff8881029ce100: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   11.537011] ==================================================================
[   11.476797] ==================================================================
[   11.477630] BUG: KASAN: slab-out-of-bounds in kmalloc_track_caller_oob_right+0x4c8/0x520
[   11.477897] Write of size 1 at addr ffff8881029c3f78 by task kunit_try_catch/161
[   11.478122] 
[   11.478206] CPU: 0 UID: 0 PID: 161 Comm: kunit_try_catch Tainted: G    B            N  6.16.0-rc6 #1 PREEMPT(voluntary) 
[   11.478247] Tainted: [B]=BAD_PAGE, [N]=TEST
[   11.478257] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
[   11.478287] Call Trace:
[   11.478300]  <TASK>
[   11.478315]  dump_stack_lvl+0x73/0xb0
[   11.478344]  print_report+0xd1/0x610
[   11.478364]  ? __virt_addr_valid+0x1db/0x2d0
[   11.478387]  ? kmalloc_track_caller_oob_right+0x4c8/0x520
[   11.478411]  ? kasan_complete_mode_report_info+0x2a/0x200
[   11.478433]  ? kmalloc_track_caller_oob_right+0x4c8/0x520
[   11.478460]  kasan_report+0x141/0x180
[   11.478483]  ? kmalloc_track_caller_oob_right+0x4c8/0x520
[   11.478514]  __asan_report_store1_noabort+0x1b/0x30
[   11.478538]  kmalloc_track_caller_oob_right+0x4c8/0x520
[   11.478562]  ? __pfx_kmalloc_track_caller_oob_right+0x10/0x10
[   11.478589]  ? __schedule+0x10cc/0x2b60
[   11.478610]  ? __pfx_read_tsc+0x10/0x10
[   11.478631]  ? ktime_get_ts64+0x86/0x230
[   11.478655]  kunit_try_run_case+0x1a5/0x480
[   11.478680]  ? __pfx_kunit_try_run_case+0x10/0x10
[   11.478704]  ? _raw_spin_lock_irqsave+0xa1/0x100
[   11.478726]  ? _raw_spin_unlock_irqrestore+0x5f/0x90
[   11.478749]  ? __kthread_parkme+0x82/0x180
[   11.478769]  ? preempt_count_sub+0x50/0x80
[   11.478793]  ? __pfx_kunit_try_run_case+0x10/0x10
[   11.478815]  kunit_generic_run_threadfn_adapter+0x85/0xf0
[   11.478839]  ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10
[   11.478862]  kthread+0x337/0x6f0
[   11.478880]  ? trace_preempt_on+0x20/0xc0
[   11.478902]  ? __pfx_kthread+0x10/0x10
[   11.478921]  ? _raw_spin_unlock_irq+0x47/0x80
[   11.478941]  ? calculate_sigpending+0x7b/0xa0
[   11.478965]  ? __pfx_kthread+0x10/0x10
[   11.478985]  ret_from_fork+0x116/0x1d0
[   11.479004]  ? __pfx_kthread+0x10/0x10
[   11.479023]  ret_from_fork_asm+0x1a/0x30
[   11.479053]  </TASK>
[   11.479062] 
[   11.496353] Allocated by task 161:
[   11.496754]  kasan_save_stack+0x45/0x70
[   11.497106]  kasan_save_track+0x18/0x40
[   11.497556]  kasan_save_alloc_info+0x3b/0x50
[   11.497783]  __kasan_kmalloc+0xb7/0xc0
[   11.497956]  __kmalloc_node_track_caller_noprof+0x1cb/0x500
[   11.498202]  kmalloc_track_caller_oob_right+0x99/0x520
[   11.498800]  kunit_try_run_case+0x1a5/0x480
[   11.499139]  kunit_generic_run_threadfn_adapter+0x85/0xf0
[   11.499380]  kthread+0x337/0x6f0
[   11.499526]  ret_from_fork+0x116/0x1d0
[   11.499695]  ret_from_fork_asm+0x1a/0x30
[   11.499869] 
[   11.499958] The buggy address belongs to the object at ffff8881029c3f00
[   11.499958]  which belongs to the cache kmalloc-128 of size 128
[   11.500421] The buggy address is located 0 bytes to the right of
[   11.500421]  allocated 120-byte region [ffff8881029c3f00, ffff8881029c3f78)
[   11.500894] 
[   11.500991] The buggy address belongs to the physical page:
[   11.501225] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1029c3
[   11.502143] flags: 0x200000000000000(node=0|zone=2)
[   11.502613] page_type: f5(slab)
[   11.503047] raw: 0200000000000000 ffff888100041a00 dead000000000122 0000000000000000
[   11.503718] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000
[   11.504183] page dumped because: kasan: bad access detected
[   11.504647] 
[   11.504911] Memory state around the buggy address:
[   11.505262]  ffff8881029c3e00: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[   11.505851]  ffff8881029c3e80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   11.506599] >ffff8881029c3f00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc
[   11.506908]                                                                 ^
[   11.507419]  ffff8881029c3f80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   11.508090]  ffff8881029c4000: fa fc fc fc fa fc fc fc fa fc fc fc fa fc fc fc
[   11.508553] ==================================================================