syzkaller login: [   30.910382] BUG: Bad rss-counter state mm:000000005ac527b1 type:MM_FILEPAGES val:33
[   30.911607] BUG: Bad rss-counter state mm:000000005ac527b1 type:MM_ANONPAGES val:22
[   31.070055] ==================================================================
[   31.071049] BUG: KASAN: slab-use-after-free in vma_interval_tree_remove+0xc75/0xec0
[   31.072053] Read of size 8 at addr ffff88800f0e45c8 by task sshd/220
[   31.072884] 
[   31.073117] CPU: 0 PID: 220 Comm: sshd Not tainted 6.4.0-rc7-next-20230619 #1
[   31.074039] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
[   31.075104] Call Trace:
[   31.075446]  <TASK>
[   31.075749]  dump_stack_lvl+0x91/0xf0
[   31.076276]  print_report+0xcc/0x620
[   31.076791]  ? __virt_addr_valid+0x102/0x340
[   31.077386]  ? vma_interval_tree_remove+0xc75/0xec0
[   31.078048]  ? vma_interval_tree_remove+0xc75/0xec0
[   31.078710]  kasan_report+0xbe/0xf0
[   31.079254]  ? vma_interval_tree_remove+0xc75/0xec0
[   31.079959]  vma_interval_tree_remove+0xc75/0xec0
[   31.080634]  vma_prepare+0xc54/0x11a0
[   31.081168]  __split_vma+0x5af/0x950
[   31.081696]  ? __pfx___split_vma+0x10/0x10
[   31.082286]  ? find_held_lock+0x2c/0x110
[   31.082888]  do_vmi_align_munmap+0x2ba/0x11f0
[   31.083523]  ? lock_is_held_type+0x9f/0x120
[   31.084171]  ? __pfx_do_vmi_align_munmap+0x10/0x10
[   31.084832]  ? mtree_range_walk+0x632/0x900
[   31.085428]  ? mas_walk+0x5c7/0x7c0
[   31.085947]  do_vmi_munmap+0x1f1/0x2b0
[   31.086495]  mmap_region+0x1f9/0x2660
[   31.087045]  ? vm_mmap_pgoff+0x15c/0x3a0
[   31.087613]  ? __pfx_arch_get_unmapped_area_topdown+0x10/0x10
[   31.088399]  ? __pfx_lock_acquire+0x10/0x10
[   31.088981]  ? __pfx_mmap_region+0x10/0x10
[   31.089563]  ? security_mmap_addr+0x7d/0xa0
[   31.090176]  ? get_unmapped_area+0x1f5/0x3f0
[   31.090789]  do_mmap+0x854/0xf00
[   31.091298]  vm_mmap_pgoff+0x1a6/0x3a0
[   31.091859]  ? __pfx_vm_mmap_pgoff+0x10/0x10
[   31.092473]  ksys_mmap_pgoff+0x3af/0x500
[   31.093044]  do_syscall_64+0x3f/0x90
[   31.093577]  entry_SYSCALL_64_after_hwframe+0x6e/0xd8
[   31.094294] RIP: 0033:0x7f543785cd82
[   31.094798] Code: eb aa 66 0f 1f 44 00 00 41 f7 c1 ff 0f 00 00 75 27 55 48 89 fd 53 89 cb 48 85 ff 74 33 41 89 da 48 89 ef b8 09 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 56 5b 5d c3 0f 1f 00 c7 05 ae 03 01 00 16 00
[   31.097170] RSP: 002b:00007fff6d718328 EFLAGS: 00000206 ORIG_RAX: 0000000000000009
[   31.098239] RAX: ffffffffffffffda RBX: 0000000000000812 RCX: 00007f543785cd82
[   31.099191] RDX: 0000000000000005 RSI: 0000000000001000 RDI: 00007f5436c96000
[   31.100120] RBP: 00007f5436c96000 R08: 0000000000000009 R09: 0000000000001000
[   31.101045] R10: 0000000000000812 R11: 0000000000000206 R12: 0000562658e0aec0
[   31.101906] R13: 00007fff6d718340 R14: 00007fff6d718370 R15: 00007fff6d7186d0
[   31.102767]  </TASK>
[   31.103072] 
[   31.103287] Allocated by task 213:
[   31.103725]  kasan_save_stack+0x22/0x50
[   31.104227]  kasan_set_track+0x25/0x30
[   31.104734]  __kasan_slab_alloc+0x59/0x70
[   31.105259]  kmem_cache_alloc+0x16b/0x370
[   31.105784]  vm_area_dup+0x20/0x160
[   31.106242]  __split_vma+0x170/0x950
[   31.106718]  split_vma+0xc6/0x110
[   31.107190]  mprotect_fixup+0x8d2/0xb30
[   31.107711]  do_mprotect_pkey+0x87e/0xd40
[   31.108237]  __x64_sys_mprotect+0x78/0xc0
[   31.108756]  do_syscall_64+0x3f/0x90
[   31.109243]  entry_SYSCALL_64_after_hwframe+0x6e/0xd8
[   31.109882] 
[   31.110096] Freed by task 19:
[   31.110479]  kasan_save_stack+0x22/0x50
[   31.110995]  kasan_set_track+0x25/0x30
[   31.111485]  kasan_save_free_info+0x2b/0x50
[   31.112018]  __kasan_slab_free+0x10a/0x190
[   31.112552]  kmem_cache_free+0x10d/0x4d0
[   31.113055]  rcu_core+0x8c8/0x2860
[   31.113503]  __do_softirq+0x1b7/0x7d4
[   31.113978] 
[   31.114194] Last potentially related work creation:
[   31.114775]  kasan_save_stack+0x22/0x50
[   31.115307]  __kasan_record_aux_stack+0x8e/0xa0
[   31.115879]  __call_rcu_common.constprop.0+0x6a/0xb90
[   31.116526]  remove_vma+0x139/0x170
[   31.116974]  do_vmi_align_munmap+0xd4a/0x11f0
[   31.117526]  do_vmi_munmap+0x1f1/0x2b0
[   31.118013]  __vm_munmap+0x138/0x3a0
[   31.118478]  __x64_sys_munmap+0x59/0x80
[   31.118974]  do_syscall_64+0x3f/0x90
[   31.119455]  entry_SYSCALL_64_after_hwframe+0x6e/0xd8
[   31.120093] 
[   31.120309] Second to last potentially related work creation:
[   31.121000]  kasan_save_stack+0x22/0x50
[   31.121508]  __kasan_record_aux_stack+0x8e/0xa0
[   31.122098]  __call_rcu_common.constprop.0+0x6a/0xb90
[   31.122742]  remove_vma+0x139/0x170
[   31.123225]  do_vmi_align_munmap+0xd4a/0x11f0
[   31.123782]  do_vmi_munmap+0x1f1/0x2b0
[   31.124283]  mmap_region+0x1f9/0x2660
[   31.124765]  do_mmap+0x854/0xf00
[   31.125202]  vm_mmap_pgoff+0x1a6/0x3a0
[   31.125695]  ksys_mmap_pgoff+0x3af/0x500
[   31.126201]  do_syscall_64+0x3f/0x90
[   31.126674]  entry_SYSCALL_64_after_hwframe+0x6e/0xd8
[   31.127324] 
[   31.127545] The buggy address belongs to the object at ffff88800f0e4570
[   31.127545]  which belongs to the cache vm_area_struct of size 168
[   31.129038] The buggy address is located 88 bytes inside of
[   31.129038]  freed 168-byte region [ffff88800f0e4570, ffff88800f0e4618)
[   31.130466] 
[   31.130686] The buggy address belongs to the physical page:
[   31.131389] page:000000001819e6be refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0xf0e4
[   31.132484] memcg:ffff88800dbc4301
[   31.132922] anon flags: 0x100000000000200(slab|node=0|zone=1)
[   31.133641] page_type: 0xffffffff()
[   31.134103] raw: 0100000000000200 ffff88800879fc80 0000000000000000 dead000000000001
[   31.135048] raw: 0000000000000000 0000000000110011 00000001ffffffff ffff88800dbc4301
[   31.135976] page dumped because: kasan: bad access detected
[   31.136645] 
[   31.136865] Memory state around the buggy address:
[   31.137450]  ffff88800f0e4480: fc fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[   31.138326]  ffff88800f0e4500: fb fb fb fb fb fb fc fc fc fc fc fc fc fc fa fb
[   31.139207] >ffff88800f0e4580: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[   31.140075]                                               ^
[   31.140750]  ffff88800f0e4600: fb fb fb fc fc fc fc fc fc fc fc fa fb fb fb fb
[   31.141619]  ffff88800f0e4680: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[   31.142488] ==================================================================
[   31.143506] Disabling lock debugging due to kernel taint
[   33.191415] BUG: Bad rss-counter state mm:000000001f68fd82 type:MM_FILEPAGES val:33
[   33.192584] BUG: Bad rss-counter state mm:000000001f68fd82 type:MM_ANONPAGES val:22
[   33.579949] BUG: Bad rss-counter state mm:00000000c747d03b type:MM_FILEPAGES val:33
[   33.581218] BUG: Bad rss-counter state mm:00000000c747d03b type:MM_ANONPAGES val:22
Warning: Permanently added '[localhost]:35846' (ECDSA) to the list of known hosts.
2023/06/19 11:16:55 fuzzer started
2023/06/19 11:16:55 dialing manager at localhost:44161
2023/06/19 11:16:55 checking machine...
2023/06/19 11:16:55 checking revisions...
[   34.263875] kmemleak: Automatic memory scanning thread ended
2023/06/19 11:16:55 testing simple program...
[   34.304111] cgroup: Unknown subsys name 'net'
[   34.361441] cgroup: Unknown subsys name 'rlimit'
executing program
executing program
[   40.598765] general protection fault, probably for non-canonical address 0xe0f61c0100000002: 0000 [#1] PREEMPT SMP KASAN NOPTI
[   40.600590] KASAN: maybe wild-memory-access in range [0x07b1000800000010-0x07b1000800000017]
[   40.601874] CPU: 0 PID: 265 Comm: cron Tainted: G    B              6.4.0-rc7-next-20230619 #1
[   40.603236] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
[   40.604498] RIP: 0010:__rb_insert_augmented+0x9d/0x8b0
[   40.605353] Code: c2 48 c1 ea 03 42 80 3c 2a 00 0f 85 55 05 00 00 4d 8b 74 24 08 49 39 ee 0f 84 77 01 00 00 4d 85 f6 74 1c 4c 89 f2 48 c1 ea 03 <42> 80 3c 2a 00 0f 85 61 05 00 00 41 f6 06 01 0f 84 7a 04 00 00 48
[   40.608160] RSP: 0018:ffff88800d857948 EFLAGS: 00010212
[   40.609014] RAX: ffff88801b0a05d0 RBX: ffff88800d5e2dd8 RCX: ffffffff844ce9f9
[   40.610156] RDX: 00f6200100000002 RSI: 0000000000000008 RDI: ffff88800f6cf5f8
[   40.611290] RBP: ffff88800845c0c0 R08: ffff88800f6cf5f8 R09: 0000000000000000
[   40.612420] R10: 0000000000000002 R11: 00000000000b6996 R12: ffff88800f6cf5f0
[   40.613551] R13: dffffc0000000000 R14: 07b1000800000013 R15: ffffffff816e61c0
[   40.614688] FS:  00007fafc5c5a840(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000
[   40.615989] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   40.616942] CR2: 00007fafc5e01050 CR3: 000000001a1be000 CR4: 0000000000350ef0
[   40.618086] Call Trace:
[   40.618516]  <TASK>
[   40.618895]  ? die_addr+0x3c/0xa0
[   40.619503]  ? exc_general_protection+0x125/0x220
[   40.620324]  ? asm_exc_general_protection+0x26/0x30
[   40.621146]  ? __pfx_vma_interval_tree_augment_rotate+0x10/0x10
[   40.622118]  ? __rb_insert_augmented+0x5e9/0x8b0
[   40.622898]  ? __rb_insert_augmented+0x9d/0x8b0
[   40.623725]  ? __rb_insert_augmented+0x5e9/0x8b0
[   40.624448]  ? vma_interval_tree_insert_after+0x315/0x390
[   40.625268]  dup_mmap+0xc45/0x1770
[   40.625826]  ? __pfx_dup_mmap+0x10/0x10
[   40.626428]  ? __pfx_do_raw_spin_lock+0x10/0x10
[   40.627181]  ? _raw_spin_unlock_irqrestore+0x2c/0x50
[   40.627935]  ? trace_hardirqs_on+0x16/0x100
[   40.628592]  ? mm_init+0xb4a/0xe70
[   40.629133]  copy_process+0x3e68/0x7320
[   40.629730]  ? __stack_depot_save+0x39/0x460
[   40.630392]  ? entry_SYSCALL_64_after_hwframe+0x6e/0xd8
[   40.631212]  ? fsnotify_destroy_marks+0x3a8/0x4c0
[   40.631948]  ? __pfx_copy_process+0x10/0x10
[   40.632593]  ? lock_release+0x4d8/0x680
[   40.633193]  ? lock_acquire+0x434/0x4c0
[   40.633798]  ? __pfx_lock_release+0x10/0x10
[   40.634446]  ? __pfx_do_raw_spin_lock+0x10/0x10
[   40.635188]  kernel_clone+0xeb/0x7d0
[   40.635758]  ? kasan_quarantine_put+0x81/0x1d0
[   40.636338]  ? __pfx_kernel_clone+0x10/0x10
[   40.636862]  ? kasan_quarantine_put+0x81/0x1d0
[   40.637431]  ? percpu_counter_add_batch+0xc8/0x180
[   40.638043]  ? trace_hardirqs_on+0x16/0x100
[   40.638589]  ? percpu_counter_add_batch+0xc8/0x180
[   40.639217]  ? __virt_addr_valid+0x102/0x340
[   40.639758]  ? __pfx_file_free_rcu+0x10/0x10
[   40.640309]  ? __call_rcu_common.constprop.0+0x699/0xb90
[   40.640980]  __do_sys_clone+0xba/0x100
[   40.641465]  ? __pfx___do_sys_clone+0x10/0x10
[   40.642020]  ? blkcg_maybe_throttle_current+0x306/0xd00
[   40.642667]  ? fpregs_assert_state_consistent+0xbd/0xe0
[   40.643327]  do_syscall_64+0x3f/0x90
[   40.643796]  entry_SYSCALL_64_after_hwframe+0x6e/0xd8
[   40.644434] RIP: 0033:0x7fafc5e234bb
[   40.644884] Code: ed 0f 85 f8 00 00 00 64 4c 8b 0c 25 10 00 00 00 45 31 c0 4d 8d 91 d0 02 00 00 31 d2 31 f6 bf 11 00 20 01 b8 38 00 00 00 0f 05 <48> 3d 00 f0 ff ff 0f 87 91 00 00 00 41 89 c5 85 c0 0f 85 9e 00 00
[   40.647001] RSP: 002b:00007ffded264920 EFLAGS: 00000246 ORIG_RAX: 0000000000000038
[   40.647893] RAX: ffffffffffffffda RBX: 00005604dea91290 RCX: 00007fafc5e234bb
[   40.648740] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001200011
[   40.649570] RBP: 0000000000000000 R08: 0000000000000000 R09: 00007fafc5c5a840
[   40.650401] R10: 00007fafc5c5ab10 R11: 0000000000000246 R12: 0000000000000000
[   40.651250] R13: 0000000000000000 R14: 00005604dea8f490 R15: 00005604dea91e7e
[   40.652098]  </TASK>
[   40.652389] Modules linked in:
[   40.652840] ---[ end trace 0000000000000000 ]---
[   40.653508] RIP: 0010:__rb_insert_augmented+0x9d/0x8b0
[   40.654232] Code: c2 48 c1 ea 03 42 80 3c 2a 00 0f 85 55 05 00 00 4d 8b 74 24 08 49 39 ee 0f 84 77 01 00 00 4d 85 f6 74 1c 4c 89 f2 48 c1 ea 03 <42> 80 3c 2a 00 0f 85 61 05 00 00 41 f6 06 01 0f 84 7a 04 00 00 48
[   40.656390] RSP: 0018:ffff88800d857948 EFLAGS: 00010212
[   40.657048] RAX: ffff88801b0a05d0 RBX: ffff88800d5e2dd8 RCX: ffffffff844ce9f9
[   40.657910] RDX: 00f6200100000002 RSI: 0000000000000008 RDI: ffff88800f6cf5f8
[   40.658759] RBP: ffff88800845c0c0 R08: ffff88800f6cf5f8 R09: 0000000000000000
[   40.659640] R10: 0000000000000002 R11: 00000000000b6996 R12: ffff88800f6cf5f0
[   40.660504] R13: dffffc0000000000 R14: 07b1000800000013 R15: ffffffff816e61c0
[   40.661365] FS:  00007fafc5c5a840(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000
[   40.662332] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   40.663064] CR2: 00007fafc5e01050 CR3: 000000001a1be000 CR4: 0000000000350ef0
executing program

VM DIAGNOSIS:
11:16:53  Registers:
info registers vcpu 0
RAX=0000000000000000 RBX=ffffffff85652988 RCX=0000000000000100 RDX=ffff8880180851c0
RSI=ffffffff814c84dd RDI=0000000000000005 RBP=0000000000000000 RSP=ffff88806ce09a20
R8 =0000000000000005 R9 =0000000000000000 R10=0000000000000000 R11=00000000000b6996
R12=0000000000000000 R13=0000000000000000 R14=ffffffff85652988 R15=ffff88801a153b30
RIP=ffffffff8450bdc0 RFL=00000246 [---Z-P-] CPL=0 II=0 A20=1 SMM=0 HLT=0
ES =0000 0000000000000000 00000000 00000000
CS =0010 0000000000000000 ffffffff 00a09b00 DPL=0 CS64 [-RA]
SS =0018 0000000000000000 ffffffff 00c09300 DPL=0 DS   [-WA]
DS =0000 0000000000000000 00000000 00000000
FS =0000 00007f76af959900 00000000 00000000
GS =0000 ffff88806ce00000 00000000 00000000
LDT=0000 fffffe0000000000 00000000 00000000
TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy
GDT=     fffffe0000001000 0000007f
IDT=     fffffe0000000000 00000fff
CR0=80050033 CR2=00007ffe2e14e000 CR3=000000001a3a0000 CR4=00350ef0
DR0=0000000000000000 DR1=0000000000000000 DR2=0000000000000000 DR3=0000000000000000 
DR6=00000000ffff0ff0 DR7=0000000000000400
EFER=0000000000000d01
FCW=037f FSW=0000 [ST=0] FTW=00 MXCSR=00001f80
FPR0=0000000000000000 0000 FPR1=0000000000000000 0000
FPR2=0000000000000000 0000 FPR3=0000000000000000 0000
FPR4=0000000000000000 0000 FPR5=0000000000000000 0000
FPR6=0000000000000000 0000 FPR7=0000000000000000 0000
XMM00=00000000000000000000000000000000 XMM01=74696d7265705f6d61703d73726f746e
XMM02=000000000000000000000000000000ff XMM03=5320444f4854454d5f54505952434e45
XMM04=40404040404040404040404040404040 XMM05=5a5a5a5a5a5a5a5a5a5a5a5a5a5a5a5a
XMM06=20202020202020202020202020202020 XMM07=00000000000000000000000000000000
XMM08=61662029286e65706f5f746964756100 XMM09=00000000000000000000000000000000
XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000
XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000
XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000
info registers vcpu 1
RAX=ffff88806cf35000 RBX=0000000000000001 RCX=ffffffff8450c50e RDX=ffffed100d9e6a01
RSI=0000000000000004 RDI=ffffffff812889a5 RBP=dffffc0000000000 RSP=ffff888008e27e70
R8 =0000000000000000 R9 =ffffed100d9e6a00 R10=ffff88806cf35003 R11=0000000000000001
R12=ffffffff85d3bed0 R13=1ffff110011c4fd3 R14=0000000000000000 R15=0000000000000000
RIP=ffffffff8450d49f RFL=00000246 [---Z-P-] CPL=0 II=0 A20=1 SMM=0 HLT=1
ES =0000 0000000000000000 00000000 00000000
CS =0010 0000000000000000 ffffffff 00a09b00 DPL=0 CS64 [-RA]
SS =0018 0000000000000000 ffffffff 00c09300 DPL=0 DS   [-WA]
DS =0000 0000000000000000 00000000 00000000
FS =0000 0000000000000000 00000000 00000000
GS =0000 ffff88806cf00000 00000000 00000000
LDT=0000 fffffe0000000000 00000000 00000000
TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy
GDT=     fffffe0000048000 0000007f
IDT=     fffffe0000000000 00000fff
CR0=80050033 CR2=00007f1ad8fef450 CR3=000000000e0ec000 CR4=00350ee0
DR0=0000000000000000 DR1=0000000000000000 DR2=0000000000000000 DR3=0000000000000000 
DR6=00000000ffff0ff0 DR7=0000000000000400
EFER=0000000000000d01
FCW=037f FSW=0000 [ST=0] FTW=00 MXCSR=00001f80
FPR0=0000000000000000 0000 FPR1=0000000000000000 0000
FPR2=0000000000000000 0000 FPR3=0000000000000000 0000
FPR4=0000000000000000 0000 FPR5=0000000000000000 0000
FPR6=0000000000000000 0000 FPR7=0000000000000000 0000
XMM00=2034353a36313a3131203931206e754a XMM01=73732878696e755f6d6170203a5d3033
XMM02=65736f6c63206e6f6973736573203a29 XMM03=755f6d6170203a5d3033325b64687373
XMM04=69662068637573206f4e203a656c6163 XMM05=3a656c696620766e65206e65706f206f
XMM06=65733a6468737328766e655f6d617020 XMM07=6b7a79732034353a36313a3131203931
XMM08=3d656e696c646d632022656369767265 XMM09=00000000000000000000000000000000
XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000
XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000
XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000