syzkaller login: [   30.265519] sshd (211) used greatest stack depth: 23992 bytes left
[   30.266432] BUG: Bad rss-counter state mm:000000009a7b4904 type:MM_FILEPAGES val:33
[   30.268035] BUG: Bad rss-counter state mm:000000009a7b4904 type:MM_ANONPAGES val:22
[   30.442499] ==================================================================
[   30.443377] BUG: KASAN: slab-use-after-free in vma_interval_tree_remove+0xc75/0xec0
[   30.444280] Read of size 8 at addr ffff88800da7ec20 by task sshd/218
[   30.445056] 
[   30.445422] CPU: 0 PID: 218 Comm: sshd Not tainted 6.4.0-rc7-next-20230620 #1
[   30.446244] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
[   30.447161] Call Trace:
[   30.447513]  <TASK>
[   30.447880]  dump_stack_lvl+0x91/0xf0
[   30.448363]  print_report+0xcc/0x620
[   30.448862]  ? __virt_addr_valid+0x102/0x340
[   30.449385]  ? vma_interval_tree_remove+0xc75/0xec0
[   30.449966]  ? vma_interval_tree_remove+0xc75/0xec0
[   30.450543]  kasan_report+0xbe/0xf0
[   30.450997]  ? vma_interval_tree_remove+0xc75/0xec0
[   30.451582]  vma_interval_tree_remove+0xc75/0xec0
[   30.452171]  vma_prepare+0xc54/0x11a0
[   30.452648]  __split_vma+0x5af/0x950
[   30.453114]  ? __pfx___split_vma+0x10/0x10
[   30.453633]  ? find_held_lock+0x2c/0x110
[   30.454153]  do_vmi_align_munmap+0x2ba/0x11f0
[   30.454716]  ? lock_is_held_type+0x9f/0x120
[   30.455256]  ? __pfx_do_vmi_align_munmap+0x10/0x10
[   30.455869]  ? mtree_range_walk+0x632/0x900
[   30.456386]  ? mas_walk+0x5c7/0x7c0
[   30.456830]  do_vmi_munmap+0x1f1/0x2b0
[   30.457291]  mmap_region+0x1f9/0x2660
[   30.457743]  ? vm_mmap_pgoff+0x15c/0x3a0
[   30.458227]  ? __pfx_arch_get_unmapped_area_topdown+0x10/0x10
[   30.458898]  ? __pfx_lock_acquire+0x10/0x10
[   30.459396]  ? __pfx_mmap_region+0x10/0x10
[   30.459931]  ? security_mmap_addr+0x7d/0xa0
[   30.460429]  ? get_unmapped_area+0x1f5/0x3f0
[   30.460937]  do_mmap+0x854/0xf00
[   30.461351]  vm_mmap_pgoff+0x1a6/0x3a0
[   30.461812]  ? __pfx_vm_mmap_pgoff+0x10/0x10
[   30.462335]  ksys_mmap_pgoff+0x3af/0x500
[   30.462806]  do_syscall_64+0x3f/0x90
[   30.463259]  entry_SYSCALL_64_after_hwframe+0x6e/0xd8
[   30.463878] RIP: 0033:0x7fa368357d82
[   30.464314] 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
[   30.466284] RSP: 002b:00007ffedd9ed888 EFLAGS: 00000206 ORIG_RAX: 0000000000000009
[   30.467127] RAX: ffffffffffffffda RBX: 0000000000000812 RCX: 00007fa368357d82
[   30.467928] RDX: 0000000000000005 RSI: 0000000000001000 RDI: 00007fa367791000
[   30.468713] RBP: 00007fa367791000 R08: 0000000000000009 R09: 0000000000001000
[   30.469503] R10: 0000000000000812 R11: 0000000000000206 R12: 00005628869b1f70
[   30.470288] R13: 00007ffedd9ed8a0 R14: 00007ffedd9ed8d0 R15: 00007ffedd9edc30
[   30.471084]  </TASK>
[   30.471356] 
[   30.471558] Allocated by task 211:
[   30.471978]  kasan_save_stack+0x22/0x50
[   30.472452]  kasan_set_track+0x25/0x30
[   30.472912]  __kasan_slab_alloc+0x59/0x70
[   30.473399]  kmem_cache_alloc+0x16b/0x370
[   30.473880]  vm_area_dup+0x20/0x160
[   30.474316]  __split_vma+0x170/0x950
[   30.474752]  split_vma+0xc6/0x110
[   30.475165]  mprotect_fixup+0x8d2/0xb30
[   30.475674]  do_mprotect_pkey+0x87e/0xd40
[   30.476302]  __x64_sys_mprotect+0x78/0xc0
[   30.476883]  do_syscall_64+0x3f/0x90
[   30.477405]  entry_SYSCALL_64_after_hwframe+0x6e/0xd8
[   30.478132] 
[   30.478387] Freed by task 19:
[   30.478808]  kasan_save_stack+0x22/0x50
[   30.479365]  kasan_set_track+0x25/0x30
[   30.479911]  kasan_save_free_info+0x2b/0x50
[   30.480507]  __kasan_slab_free+0x10a/0x190
[   30.481133]  kmem_cache_free+0x10d/0x4d0
[   30.481684]  rcu_core+0x8c8/0x2860
[   30.482177]  __do_softirq+0x1b7/0x7d4
[   30.482704] 
[   30.482960] Last potentially related work creation:
[   30.483646]  kasan_save_stack+0x22/0x50
[   30.484233]  __kasan_record_aux_stack+0x8e/0xa0
[   30.484878]  __call_rcu_common.constprop.0+0x6a/0xb90
[   30.485632]  remove_vma+0x139/0x170
[   30.486127]  do_vmi_align_munmap+0xd4a/0x11f0
[   30.486798]  do_vmi_munmap+0x1f1/0x2b0
[   30.487414]  __vm_munmap+0x138/0x3a0
[   30.487998]  __x64_sys_munmap+0x59/0x80
[   30.488637]  do_syscall_64+0x3f/0x90
[   30.489239]  entry_SYSCALL_64_after_hwframe+0x6e/0xd8
[   30.489847] 
[   30.490050] Second to last potentially related work creation:
[   30.490683]  kasan_save_stack+0x22/0x50
[   30.491150]  __kasan_record_aux_stack+0x8e/0xa0
[   30.491679]  __call_rcu_common.constprop.0+0x6a/0xb90
[   30.492306]  remove_vma+0x139/0x170
[   30.492724]  do_vmi_align_munmap+0xd4a/0x11f0
[   30.493242]  do_vmi_munmap+0x1f1/0x2b0
[   30.493716]  mmap_region+0x1f9/0x2660
[   30.494154]  do_mmap+0x854/0xf00
[   30.494553]  vm_mmap_pgoff+0x1a6/0x3a0
[   30.495001]  ksys_mmap_pgoff+0x3af/0x500
[   30.495458]  do_syscall_64+0x3f/0x90
[   30.495914]  entry_SYSCALL_64_after_hwframe+0x6e/0xd8
[   30.496502] 
[   30.496702] The buggy address belongs to the object at ffff88800da7ebc8
[   30.496702]  which belongs to the cache vm_area_struct of size 168
[   30.498046] The buggy address is located 88 bytes inside of
[   30.498046]  freed 168-byte region [ffff88800da7ebc8, ffff88800da7ec70)
[   30.499334] 
[   30.499534] The buggy address belongs to the physical page:
[   30.500147] page:000000009ce73611 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0xda7e
[   30.501135] memcg:ffff88800e41a001
[   30.501531] anon flags: 0x100000000000200(slab|node=0|zone=1)
[   30.502175] page_type: 0xffffffff()
[   30.502593] raw: 0100000000000200 ffff8880087a0c80 ffffea00003874c0 dead000000000003
[   30.503440] raw: 0000000000000000 0000000000110011 00000001ffffffff ffff88800e41a001
[   30.504298] page dumped because: kasan: bad access detected
[   30.504901] 
[   30.505103] Memory state around the buggy address:
[   30.505642]  ffff88800da7eb00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
[   30.506431]  ffff88800da7eb80: 00 fc fc fc fc fc fc fc fc fa fb fb fb fb fb fb
[   30.507221] >ffff88800da7ec00: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fc fc
[   30.508024]                                ^
[   30.508508]  ffff88800da7ec80: fc fc fc fc fc fc fa fb fb fb fb fb fb fb fb fb
[   30.509293]  ffff88800da7ed00: fb fb fb fb fb fb fb fb fb fb fb fc fc fc fc fc
[   30.510073] ==================================================================
[   30.511114] Disabling lock debugging due to kernel taint
[   38.900952] BUG: Bad rss-counter state mm:0000000024608dd2 type:MM_FILEPAGES val:33
[   38.901949] BUG: Bad rss-counter state mm:0000000024608dd2 type:MM_ANONPAGES val:22
[   39.431558] BUG: Bad rss-counter state mm:00000000f62a49c3 type:MM_FILEPAGES val:33
[   39.432661] BUG: Bad rss-counter state mm:00000000f62a49c3 type:MM_ANONPAGES val:22
Warning: Permanently added '[localhost]:49788' (ECDSA) to the list of known hosts.
[   39.592293] general protection fault, probably for non-canonical address 0xe0855c268000000e: 0000 [#1] PREEMPT SMP KASAN NOPTI
[   39.593119] KASAN: maybe wild-memory-access in range [0x042b013400000070-0x042b013400000077]
[   39.593676] CPU: 0 PID: 239 Comm: sshd Tainted: G    B              6.4.0-rc7-next-20230620 #1
[   39.594331] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
[   39.594973] RIP: 0010:__rb_insert_augmented+0x9d/0x8b0
[   39.595437] 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
[   39.596836] RSP: 0018:ffff8880147f7948 EFLAGS: 00010212
[   39.597288] RAX: ffff8880163c68e0 RBX: ffff88801023a868 RCX: ffffffff844d49f9
[   39.597865] RDX: 008560268000000e RSI: 0000000000000008 RDI: ffff88800bfe6808
[   39.598412] RBP: ffff8880169d1bc0 R08: ffff88800bfe6808 R09: 0000000000000000
[   39.598993] R10: 0000000000000003 R11: 00000000000b6a61 R12: ffff88800bfe6800
[   39.599550] R13: dffffc0000000000 R14: 042b013400000073 R15: ffffffff816e6340
[   39.600155] FS:  00007f315a3eb900(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000
[   39.600785] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   39.601226] CR2: 000055744fcb11c0 CR3: 000000000f1ca000 CR4: 0000000000350ef0
[   39.601761] Call Trace:
[   39.601961]  <TASK>
[   39.602154]  ? die_addr+0x3c/0xa0
[   39.602443]  ? exc_general_protection+0x125/0x220
[   39.602857]  ? asm_exc_general_protection+0x26/0x30
[   39.603310]  ? __pfx_vma_interval_tree_augment_rotate+0x10/0x10
[   39.603808]  ? __rb_insert_augmented+0x5e9/0x8b0
[   39.604235]  ? __rb_insert_augmented+0x9d/0x8b0
[   39.604662]  ? __rb_insert_augmented+0x5e9/0x8b0
[   39.605078]  ? vma_interval_tree_insert_after+0x315/0x390
[   39.605531]  dup_mmap+0xc45/0x1770
[   39.605833]  ? __pfx_dup_mmap+0x10/0x10
[   39.606195]  ? __pfx_do_raw_spin_lock+0x10/0x10
[   39.606601]  ? _raw_spin_unlock_irqrestore+0x2c/0x50
[   39.607007]  ? trace_hardirqs_on+0x16/0x100
[   39.607369]  ? mm_init+0xb4a/0xe70
[   39.607661]  copy_process+0x3e68/0x7320
[   39.607975]  ? lock_acquire+0x434/0x4c0
[   39.608309]  ? __pfx_copy_process+0x10/0x10
[   39.608649]  ? expand_files+0x446/0x8e0
[   39.609010]  kernel_clone+0xeb/0x7d0
[   39.609323]  ? __pfx_kernel_clone+0x10/0x10
[   39.609685]  ? lock_acquire+0x434/0x4c0
[   39.610018]  ? lock_release+0x4d8/0x680
[   39.610363]  ? __pfx_lock_release+0x10/0x10
[   39.610742]  ? __pfx_lock_release+0x10/0x10
[   39.611113]  ? _raw_spin_unlock+0x1e/0x40
[   39.611469]  ? alloc_fd+0x2eb/0x760
[   39.611817]  __do_sys_clone+0xba/0x100
[   39.612197]  ? __pfx___do_sys_clone+0x10/0x10
[   39.612619]  ? fpregs_assert_state_consistent+0xbd/0xe0
[   39.613111]  do_syscall_64+0x3f/0x90
[   39.613435]  entry_SYSCALL_64_after_hwframe+0x6e/0xd8
[   39.613869] RIP: 0033:0x7f315a8aa4bb
[   39.614179] 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
[   39.615660] RSP: 002b:00007fff3b5d2970 EFLAGS: 00000246 ORIG_RAX: 0000000000000038
[   39.616264] RAX: ffffffffffffffda RBX: 000000000000bfb4 RCX: 00007f315a8aa4bb
[   39.616822] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001200011
[   39.617404] RBP: 0000000000000000 R08: 0000000000000000 R09: 00007f315a3eb900
[   39.617977] R10: 00007f315a3ebbd0 R11: 0000000000000246 R12: 0000000000000000
[   39.618538] R13: 000055744fcbeea0 R14: 000055744fccf2c0 R15: 00007fff3b5d29f0
[   39.619105]  </TASK>
[   39.619286] Modules linked in:
[   39.619616] ---[ end trace 0000000000000000 ]---
[   39.620020] RIP: 0010:__rb_insert_augmented+0x9d/0x8b0
[   39.620485] 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
[   39.622065] RSP: 0018:ffff8880147f7948 EFLAGS: 00010212
[   39.622497] RAX: ffff8880163c68e0 RBX: ffff88801023a868 RCX: ffffffff844d49f9
[   39.623112] RDX: 008560268000000e RSI: 0000000000000008 RDI: ffff88800bfe6808
[   39.623653] RBP: ffff8880169d1bc0 R08: ffff88800bfe6808 R09: 0000000000000000
[   39.624242] R10: 0000000000000003 R11: 00000000000b6a61 R12: ffff88800bfe6800
[   39.624788] R13: dffffc0000000000 R14: 042b013400000073 R15: ffffffff816e6340
[   39.625330] FS:  00007f315a3eb900(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000
[   39.625948] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   39.626388] CR2: 000055744fcb11c0 CR3: 000000000f1ca000 CR4: 0000000000350ef0

VM DIAGNOSIS:
00:06:42  Registers:
info registers vcpu 0
RAX=ffff888008da0001 RBX=ffff888008d9f978 RCX=0000000000000001 RDX=ffff888008d9fa01
RSI=ffff888008d9fa10 RDI=ffff888008d9f988 RBP=ffff888008d9fa10 RSP=ffff888008d9f880
R8 =0000000000000001 R9 =ffff888008d9f9b8 R10=0000000000038001 R11=0000000000003c0d
R12=0000000000000008 R13=ffff888008d98000 R14=ffff888008d9fa10 R15=ffff888008d9f978
RIP=ffffffff811304c9 RFL=00000202 [-------] 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 0000000000000000 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=00007ffefab3e000 CR3=0000000019e14000 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=2032343a36303a3030203132206e754a XMM01=657463656e6e6f63736944203a5d3932
XMM02=302e303120746f6f722072657375206d XMM03=203a5d3932325b646873732072656c6c
XMM04=69662068637573206f4e203a656c6163 XMM05=3a656c696620766e65206e65706f206f
XMM06=65733a6468737328766e655f6d617020 XMM07=6b7a79732032343a36303a3030203132
XMM08=3d656e696c646d632022656369767265 XMM09=00000000000000000000000000000000
XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000
XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000
XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000
info registers vcpu 1
RAX=0000000000000000 RBX=0000000000000000 RCX=00007ffefab41878 RDX=0000000000000001
RSI=00007f3ce36fa7b4 RDI=0000560ea9567500 RBP=00007ffefab417f0 RSP=00007ffefab415f0
R8 =00007ffefab41874 R9 =00007f3ce36fa860 R10=00007ffefab40764 R11=0000000000000206
R12=0000000000000000 R13=00007ffefab41de0 R14=0000560ea9567500 R15=00007ffefab41980
RIP=00007f3ce365986a RFL=00000246 [---Z-P-] CPL=3 II=0 A20=1 SMM=0 HLT=0
ES =0000 0000000000000000 00000000 00000000
CS =0033 0000000000000000 ffffffff 00a0fb00 DPL=3 CS64 [-RA]
SS =002b 0000000000000000 ffffffff 00c0f300 DPL=3 DS   [-WA]
DS =0000 0000000000000000 00000000 00000000
FS =0000 00007f3ce317f900 00000000 00000000
GS =0000 0000000000000000 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=00007f97245ea5d0 CR3=000000000da76000 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=563412feff00545000000000000080fe XMM01=74696d7265705f6d61703d73726f746e
XMM02=000000000000000000000000000000ff XMM03=0000006f730074696d7265705f6d6170
XMM04=40404040404040404040404040404040 XMM05=5a5a5a5a5a5a5a5a5a5a5a5a5a5a5a5a
XMM06=20202020202020202020202020202020 XMM07=00000000000000000000000000000000
XMM08=61662029286e65706f5f746964756100 XMM09=00000000000000000000000000000000
XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000
XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000
XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000