Hay
Date
July 19, 2025, 11:12 p.m.

Environment
qemu-arm64
qemu-x86_64

[   15.006047] ==================================================================
[   15.006113] BUG: KASAN: slab-out-of-bounds in kmalloc_track_caller_oob_right+0x418/0x488
[   15.006162] Write of size 1 at addr fff00000c6417678 by task kunit_try_catch/142
[   15.006209] 
[   15.006238] CPU: 1 UID: 0 PID: 142 Comm: kunit_try_catch Tainted: G    B            N  6.16.0-rc6 #1 PREEMPT 
[   15.006446] Tainted: [B]=BAD_PAGE, [N]=TEST
[   15.006566] Hardware name: linux,dummy-virt (DT)
[   15.006616] Call trace:
[   15.006672]  show_stack+0x20/0x38 (C)
[   15.006769]  dump_stack_lvl+0x8c/0xd0
[   15.006850]  print_report+0x118/0x5d0
[   15.006897]  kasan_report+0xdc/0x128
[   15.006942]  __asan_report_store1_noabort+0x20/0x30
[   15.006997]  kmalloc_track_caller_oob_right+0x418/0x488
[   15.007088]  kunit_try_run_case+0x170/0x3f0
[   15.007154]  kunit_generic_run_threadfn_adapter+0x88/0x100
[   15.007206]  kthread+0x328/0x630
[   15.007247]  ret_from_fork+0x10/0x20
[   15.007369] 
[   15.007415] Allocated by task 142:
[   15.007531]  kasan_save_stack+0x3c/0x68
[   15.007660]  kasan_save_track+0x20/0x40
[   15.007785]  kasan_save_alloc_info+0x40/0x58
[   15.007854]  __kasan_kmalloc+0xd4/0xd8
[   15.007925]  __kmalloc_node_track_caller_noprof+0x194/0x4b8
[   15.007968]  kmalloc_track_caller_oob_right+0x184/0x488
[   15.008151]  kunit_try_run_case+0x170/0x3f0
[   15.008196]  kunit_generic_run_threadfn_adapter+0x88/0x100
[   15.008238]  kthread+0x328/0x630
[   15.008413]  ret_from_fork+0x10/0x20
[   15.008493] 
[   15.008579] The buggy address belongs to the object at fff00000c6417600
[   15.008579]  which belongs to the cache kmalloc-128 of size 128
[   15.008701] The buggy address is located 0 bytes to the right of
[   15.008701]  allocated 120-byte region [fff00000c6417600, fff00000c6417678)
[   15.008775] 
[   15.008794] The buggy address belongs to the physical page:
[   15.008823] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x106417
[   15.008874] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff)
[   15.008920] page_type: f5(slab)
[   15.008956] raw: 0bfffe0000000000 fff00000c0001a00 dead000000000122 0000000000000000
[   15.009067] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000
[   15.009133] page dumped because: kasan: bad access detected
[   15.009260] 
[   15.009278] Memory state around the buggy address:
[   15.009347]  fff00000c6417500: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[   15.009390]  fff00000c6417580: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   15.009431] >fff00000c6417600: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc
[   15.009467]                                                                 ^
[   15.009562]  fff00000c6417680: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   15.009616]  fff00000c6417700: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   15.009792] ==================================================================
[   15.000906] ==================================================================
[   15.000982] BUG: KASAN: slab-out-of-bounds in kmalloc_track_caller_oob_right+0x40c/0x488
[   15.001078] Write of size 1 at addr fff00000c6417578 by task kunit_try_catch/142
[   15.001126] 
[   15.001155] CPU: 1 UID: 0 PID: 142 Comm: kunit_try_catch Tainted: G    B            N  6.16.0-rc6 #1 PREEMPT 
[   15.001252] Tainted: [B]=BAD_PAGE, [N]=TEST
[   15.001409] Hardware name: linux,dummy-virt (DT)
[   15.001444] Call trace:
[   15.001479]  show_stack+0x20/0x38 (C)
[   15.001534]  dump_stack_lvl+0x8c/0xd0
[   15.001704]  print_report+0x118/0x5d0
[   15.001771]  kasan_report+0xdc/0x128
[   15.001817]  __asan_report_store1_noabort+0x20/0x30
[   15.001868]  kmalloc_track_caller_oob_right+0x40c/0x488
[   15.001918]  kunit_try_run_case+0x170/0x3f0
[   15.002108]  kunit_generic_run_threadfn_adapter+0x88/0x100
[   15.002234]  kthread+0x328/0x630
[   15.002313]  ret_from_fork+0x10/0x20
[   15.002389] 
[   15.002427] Allocated by task 142:
[   15.002474]  kasan_save_stack+0x3c/0x68
[   15.002520]  kasan_save_track+0x20/0x40
[   15.002590]  kasan_save_alloc_info+0x40/0x58
[   15.002629]  __kasan_kmalloc+0xd4/0xd8
[   15.002778]  __kmalloc_node_track_caller_noprof+0x194/0x4b8
[   15.002872]  kmalloc_track_caller_oob_right+0xa8/0x488
[   15.002987]  kunit_try_run_case+0x170/0x3f0
[   15.003055]  kunit_generic_run_threadfn_adapter+0x88/0x100
[   15.003104]  kthread+0x328/0x630
[   15.003137]  ret_from_fork+0x10/0x20
[   15.003188] 
[   15.003237] The buggy address belongs to the object at fff00000c6417500
[   15.003237]  which belongs to the cache kmalloc-128 of size 128
[   15.003308] The buggy address is located 0 bytes to the right of
[   15.003308]  allocated 120-byte region [fff00000c6417500, fff00000c6417578)
[   15.003371] 
[   15.003392] The buggy address belongs to the physical page:
[   15.003421] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x106417
[   15.003600] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff)
[   15.003695] page_type: f5(slab)
[   15.003734] raw: 0bfffe0000000000 fff00000c0001a00 dead000000000122 0000000000000000
[   15.003824] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000
[   15.003935] page dumped because: kasan: bad access detected
[   15.004056] 
[   15.004135] Memory state around the buggy address:
[   15.004236]  fff00000c6417400: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[   15.004280]  fff00000c6417480: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   15.004322] >fff00000c6417500: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc
[   15.004510]                                                                 ^
[   15.004558]  fff00000c6417580: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   15.004600]  fff00000c6417600: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   15.004637] ==================================================================

[   11.416337] ==================================================================
[   11.417081] BUG: KASAN: slab-out-of-bounds in kmalloc_track_caller_oob_right+0x4c8/0x520
[   11.417569] Write of size 1 at addr ffff8881027d6778 by task kunit_try_catch/159
[   11.417971] 
[   11.418083] CPU: 1 UID: 0 PID: 159 Comm: kunit_try_catch Tainted: G    B            N  6.16.0-rc6 #1 PREEMPT(voluntary) 
[   11.418128] Tainted: [B]=BAD_PAGE, [N]=TEST
[   11.418139] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
[   11.418161] Call Trace:
[   11.418172]  <TASK>
[   11.418190]  dump_stack_lvl+0x73/0xb0
[   11.418220]  print_report+0xd1/0x610
[   11.418241]  ? __virt_addr_valid+0x1db/0x2d0
[   11.418263]  ? kmalloc_track_caller_oob_right+0x4c8/0x520
[   11.418286]  ? kasan_complete_mode_report_info+0x2a/0x200
[   11.418306]  ? kmalloc_track_caller_oob_right+0x4c8/0x520
[   11.418330]  kasan_report+0x141/0x180
[   11.418358]  ? kmalloc_track_caller_oob_right+0x4c8/0x520
[   11.418386]  __asan_report_store1_noabort+0x1b/0x30
[   11.418408]  kmalloc_track_caller_oob_right+0x4c8/0x520
[   11.418431]  ? __pfx_kmalloc_track_caller_oob_right+0x10/0x10
[   11.418455]  ? __schedule+0x10cc/0x2b60
[   11.418476]  ? __pfx_read_tsc+0x10/0x10
[   11.418495]  ? ktime_get_ts64+0x86/0x230
[   11.418519]  kunit_try_run_case+0x1a5/0x480
[   11.418543]  ? __pfx_kunit_try_run_case+0x10/0x10
[   11.418563]  ? _raw_spin_lock_irqsave+0xa1/0x100
[   11.418585]  ? _raw_spin_unlock_irqrestore+0x5f/0x90
[   11.418607]  ? __kthread_parkme+0x82/0x180
[   11.418626]  ? preempt_count_sub+0x50/0x80
[   11.418649]  ? __pfx_kunit_try_run_case+0x10/0x10
[   11.418671]  kunit_generic_run_threadfn_adapter+0x85/0xf0
[   11.418692]  ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10
[   11.418714]  kthread+0x337/0x6f0
[   11.418732]  ? trace_preempt_on+0x20/0xc0
[   11.418753]  ? __pfx_kthread+0x10/0x10
[   11.418772]  ? _raw_spin_unlock_irq+0x47/0x80
[   11.418792]  ? calculate_sigpending+0x7b/0xa0
[   11.418815]  ? __pfx_kthread+0x10/0x10
[   11.418835]  ret_from_fork+0x116/0x1d0
[   11.418852]  ? __pfx_kthread+0x10/0x10
[   11.418872]  ret_from_fork_asm+0x1a/0x30
[   11.418901]  </TASK>
[   11.418911] 
[   11.426731] Allocated by task 159:
[   11.426891]  kasan_save_stack+0x45/0x70
[   11.427160]  kasan_save_track+0x18/0x40
[   11.427355]  kasan_save_alloc_info+0x3b/0x50
[   11.427581]  __kasan_kmalloc+0xb7/0xc0
[   11.427720]  __kmalloc_node_track_caller_noprof+0x1cb/0x500
[   11.427898]  kmalloc_track_caller_oob_right+0x99/0x520
[   11.428109]  kunit_try_run_case+0x1a5/0x480
[   11.428316]  kunit_generic_run_threadfn_adapter+0x85/0xf0
[   11.428647]  kthread+0x337/0x6f0
[   11.428846]  ret_from_fork+0x116/0x1d0
[   11.429049]  ret_from_fork_asm+0x1a/0x30
[   11.429188] 
[   11.429258] The buggy address belongs to the object at ffff8881027d6700
[   11.429258]  which belongs to the cache kmalloc-128 of size 128
[   11.429756] The buggy address is located 0 bytes to the right of
[   11.429756]  allocated 120-byte region [ffff8881027d6700, ffff8881027d6778)
[   11.430356] 
[   11.430504] The buggy address belongs to the physical page:
[   11.430693] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1027d6
[   11.430933] flags: 0x200000000000000(node=0|zone=2)
[   11.431155] page_type: f5(slab)
[   11.431322] raw: 0200000000000000 ffff888100041a00 dead000000000122 0000000000000000
[   11.431992] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000
[   11.432327] page dumped because: kasan: bad access detected
[   11.433168] 
[   11.433273] Memory state around the buggy address:
[   11.434194]  ffff8881027d6600: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[   11.434970]  ffff8881027d6680: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   11.435316] >ffff8881027d6700: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc
[   11.435885]                                                                 ^
[   11.436275]  ffff8881027d6780: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   11.436805]  ffff8881027d6800: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   11.437351] ==================================================================
[   11.437982] ==================================================================
[   11.438305] BUG: KASAN: slab-out-of-bounds in kmalloc_track_caller_oob_right+0x4b1/0x520
[   11.438853] Write of size 1 at addr ffff8881027d6878 by task kunit_try_catch/159
[   11.439585] 
[   11.439790] CPU: 1 UID: 0 PID: 159 Comm: kunit_try_catch Tainted: G    B            N  6.16.0-rc6 #1 PREEMPT(voluntary) 
[   11.439834] Tainted: [B]=BAD_PAGE, [N]=TEST
[   11.440001] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
[   11.440033] Call Trace:
[   11.440044]  <TASK>
[   11.440058]  dump_stack_lvl+0x73/0xb0
[   11.440086]  print_report+0xd1/0x610
[   11.440106]  ? __virt_addr_valid+0x1db/0x2d0
[   11.440127]  ? kmalloc_track_caller_oob_right+0x4b1/0x520
[   11.440149]  ? kasan_complete_mode_report_info+0x2a/0x200
[   11.440170]  ? kmalloc_track_caller_oob_right+0x4b1/0x520
[   11.440194]  kasan_report+0x141/0x180
[   11.440215]  ? kmalloc_track_caller_oob_right+0x4b1/0x520
[   11.440243]  __asan_report_store1_noabort+0x1b/0x30
[   11.440265]  kmalloc_track_caller_oob_right+0x4b1/0x520
[   11.440288]  ? __pfx_kmalloc_track_caller_oob_right+0x10/0x10
[   11.440312]  ? __schedule+0x10cc/0x2b60
[   11.440332]  ? __pfx_read_tsc+0x10/0x10
[   11.440352]  ? ktime_get_ts64+0x86/0x230
[   11.440535]  kunit_try_run_case+0x1a5/0x480
[   11.440561]  ? __pfx_kunit_try_run_case+0x10/0x10
[   11.440582]  ? _raw_spin_lock_irqsave+0xa1/0x100
[   11.440603]  ? _raw_spin_unlock_irqrestore+0x5f/0x90
[   11.440625]  ? __kthread_parkme+0x82/0x180
[   11.440645]  ? preempt_count_sub+0x50/0x80
[   11.440667]  ? __pfx_kunit_try_run_case+0x10/0x10
[   11.440689]  kunit_generic_run_threadfn_adapter+0x85/0xf0
[   11.440711]  ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10
[   11.440733]  kthread+0x337/0x6f0
[   11.440751]  ? trace_preempt_on+0x20/0xc0
[   11.440772]  ? __pfx_kthread+0x10/0x10
[   11.440792]  ? _raw_spin_unlock_irq+0x47/0x80
[   11.440811]  ? calculate_sigpending+0x7b/0xa0
[   11.440833]  ? __pfx_kthread+0x10/0x10
[   11.440853]  ret_from_fork+0x116/0x1d0
[   11.440870]  ? __pfx_kthread+0x10/0x10
[   11.440890]  ret_from_fork_asm+0x1a/0x30
[   11.440918]  </TASK>
[   11.440927] 
[   11.452534] Allocated by task 159:
[   11.452929]  kasan_save_stack+0x45/0x70
[   11.453424]  kasan_save_track+0x18/0x40
[   11.453791]  kasan_save_alloc_info+0x3b/0x50
[   11.453946]  __kasan_kmalloc+0xb7/0xc0
[   11.454091]  __kmalloc_node_track_caller_noprof+0x1cb/0x500
[   11.454269]  kmalloc_track_caller_oob_right+0x19a/0x520
[   11.454767]  kunit_try_run_case+0x1a5/0x480
[   11.455152]  kunit_generic_run_threadfn_adapter+0x85/0xf0
[   11.455663]  kthread+0x337/0x6f0
[   11.455849]  ret_from_fork+0x116/0x1d0
[   11.456037]  ret_from_fork_asm+0x1a/0x30
[   11.456220] 
[   11.456309] The buggy address belongs to the object at ffff8881027d6800
[   11.456309]  which belongs to the cache kmalloc-128 of size 128
[   11.457224] The buggy address is located 0 bytes to the right of
[   11.457224]  allocated 120-byte region [ffff8881027d6800, ffff8881027d6878)
[   11.458099] 
[   11.458193] The buggy address belongs to the physical page:
[   11.458695] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1027d6
[   11.459141] flags: 0x200000000000000(node=0|zone=2)
[   11.459613] page_type: f5(slab)
[   11.459797] raw: 0200000000000000 ffff888100041a00 dead000000000122 0000000000000000
[   11.460124] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000
[   11.460672] page dumped because: kasan: bad access detected
[   11.460949] 
[   11.461188] Memory state around the buggy address:
[   11.461690]  ffff8881027d6700: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[   11.462063]  ffff8881027d6780: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   11.462530] >ffff8881027d6800: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc
[   11.463037]                                                                 ^
[   11.463341]  ffff8881027d6880: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   11.463823]  ffff8881027d6900: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   11.464135] ==================================================================