syzkaller login: [ 35.664328] BUG: Bad rss-counter state mm:00000000dea52240 type:MM_FILEPAGES val:33
[ 35.665357] BUG: Bad rss-counter state mm:00000000dea52240 type:MM_ANONPAGES val:22
[ 35.826616] ==================================================================
[ 35.827697] BUG: KASAN: slab-use-after-free in vma_interval_tree_remove+0xc75/0xec0
[ 35.828811] Read of size 8 at addr ffff888016719798 by task sshd/227
[ 35.829887]
[ 35.830150] CPU: 1 PID: 227 Comm: sshd Not tainted 6.4.0-rc7-next-20230620 #1
[ 35.831189] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
[ 35.832345] Call Trace:
[ 35.832737]
[ 35.833076] dump_stack_lvl+0x91/0xf0
[ 35.833673] print_report+0xcc/0x620
[ 35.834268] ? __virt_addr_valid+0x102/0x340
[ 35.834892] ? vma_interval_tree_remove+0xc75/0xec0
[ 35.835513] ? vma_interval_tree_remove+0xc75/0xec0
[ 35.836129] kasan_report+0xbe/0xf0
[ 35.836607] ? vma_interval_tree_remove+0xc75/0xec0
[ 35.837225] vma_interval_tree_remove+0xc75/0xec0
[ 35.837836] vma_prepare+0xc54/0x11a0
[ 35.838318] __split_vma+0x5af/0x950
[ 35.838800] ? __pfx___split_vma+0x10/0x10
[ 35.839326] ? find_held_lock+0x2c/0x110
[ 35.839851] do_vmi_align_munmap+0x2ba/0x11f0
[ 35.840420] ? lock_is_held_type+0x9f/0x120
[ 35.840958] ? __pfx_do_vmi_align_munmap+0x10/0x10
[ 35.841566] ? mtree_range_walk+0x632/0x900
[ 35.842121] ? mas_walk+0x5c7/0x7c0
[ 35.842610] do_vmi_munmap+0x1f1/0x2b0
[ 35.843100] mmap_region+0x1f9/0x2660
[ 35.843584] ? vm_mmap_pgoff+0x15c/0x3a0
[ 35.844092] ? __pfx_arch_get_unmapped_area_topdown+0x10/0x10
[ 35.844807] ? __pfx_lock_acquire+0x10/0x10
[ 35.845343] ? __pfx_mmap_region+0x10/0x10
[ 35.845873] ? security_mmap_addr+0x7d/0xa0
[ 35.846421] ? get_unmapped_area+0x1f5/0x3f0
[ 35.846972] do_mmap+0x854/0xf00
[ 35.847417] vm_mmap_pgoff+0x1a6/0x3a0
[ 35.847923] ? __pfx_vm_mmap_pgoff+0x10/0x10
[ 35.848485] ksys_mmap_pgoff+0x3af/0x500
[ 35.848992] do_syscall_64+0x3f/0x90
[ 35.849475] entry_SYSCALL_64_after_hwframe+0x6e/0xd8
[ 35.850120] RIP: 0033:0x7f138454cd82
[ 35.850593] 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
[ 35.852701] RSP: 002b:00007ffc8e4171b8 EFLAGS: 00000206 ORIG_RAX: 0000000000000009
[ 35.853608] RAX: ffffffffffffffda RBX: 0000000000000812 RCX: 00007f138454cd82
[ 35.854466] RDX: 0000000000000005 RSI: 0000000000001000 RDI: 00007f1383986000
[ 35.855301] RBP: 00007f1383986000 R08: 0000000000000009 R09: 0000000000001000
[ 35.856143] R10: 0000000000000812 R11: 0000000000000206 R12: 000055e2fb6c8ec0
[ 35.856982] R13: 00007ffc8e4171d0 R14: 00007ffc8e417200 R15: 00007ffc8e417560
[ 35.857839]
[ 35.858135]
[ 35.858358] Allocated by task 220:
[ 35.858795] kasan_save_stack+0x22/0x50
[ 35.859305] kasan_set_track+0x25/0x30
[ 35.859800] __kasan_slab_alloc+0x59/0x70
[ 35.860315] kmem_cache_alloc+0x16b/0x370
[ 35.860846] vm_area_dup+0x20/0x160
[ 35.861300] __split_vma+0x170/0x950
[ 35.861768] split_vma+0xc6/0x110
[ 35.862211] mprotect_fixup+0x8d2/0xb30
[ 35.862722] do_mprotect_pkey+0x87e/0xd40
[ 35.863246] __x64_sys_mprotect+0x78/0xc0
[ 35.863769] do_syscall_64+0x3f/0x90
[ 35.864247] entry_SYSCALL_64_after_hwframe+0x6e/0xd8
[ 35.864896]
[ 35.865113] Freed by task 19:
[ 35.865493] kasan_save_stack+0x22/0x50
[ 35.865999] kasan_set_track+0x25/0x30
[ 35.866516] kasan_save_free_info+0x2b/0x50
[ 35.867052] __kasan_slab_free+0x10a/0x190
[ 35.867592] kmem_cache_free+0x10d/0x4d0
[ 35.868104] rcu_core+0x8c8/0x2860
[ 35.868551] __do_softirq+0x1b7/0x7d4
[ 35.869031]
[ 35.869250] Last potentially related work creation:
[ 35.869834] kasan_save_stack+0x22/0x50
[ 35.870347] __kasan_record_aux_stack+0x8e/0xa0
[ 35.870984] __call_rcu_common.constprop.0+0x6a/0xb90
[ 35.871624] remove_vma+0x139/0x170
[ 35.872075] do_vmi_align_munmap+0xd4a/0x11f0
[ 35.872634] do_vmi_munmap+0x1f1/0x2b0
[ 35.873130] __vm_munmap+0x138/0x3a0
[ 35.873601] __x64_sys_munmap+0x59/0x80
[ 35.874099] do_syscall_64+0x3f/0x90
[ 35.874606] entry_SYSCALL_64_after_hwframe+0x6e/0xd8
[ 35.875248]
[ 35.875462] The buggy address belongs to the object at ffff888016719740
[ 35.875462] which belongs to the cache vm_area_struct of size 168
[ 35.876931] The buggy address is located 88 bytes inside of
[ 35.876931] freed 168-byte region [ffff888016719740, ffff8880167197e8)
[ 35.878345]
[ 35.878567] The buggy address belongs to the physical page:
[ 35.879226] page:000000004ee51775 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x16719
[ 35.880320] memcg:ffff888019c34501
[ 35.880742] flags: 0x100000000000200(slab|node=0|zone=1)
[ 35.881391] page_type: 0xffffffff()
[ 35.881844] raw: 0100000000000200 ffff8880087a0c80 dead000000000122 0000000000000000
[ 35.882772] raw: 0000000000000000 0000000000110011 00000001ffffffff ffff888019c34501
[ 35.883689] page dumped because: kasan: bad access detected
[ 35.884349]
[ 35.884568] Memory state around the buggy address:
[ 35.885146] ffff888016719680: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
[ 35.886011] ffff888016719700: fc fc fc fc fc fc fc fc fa fb fb fb fb fb fb fb
[ 35.886898] >ffff888016719780: fb fb fb fb fb fb fb fb fb fb fb fb fb fc fc fc
[ 35.887749] ^
[ 35.888245] ffff888016719800: fc fc fc fc fc fa fb fb fb fb fb fb fb fb fb fb
[ 35.889104] ffff888016719880: fb fb fb fb fb fb fb fb fb fb fc fc fc fc fc fc
[ 35.889962] ==================================================================
[ 35.890892] Disabling lock debugging due to kernel taint
[ 37.778736] BUG: Bad rss-counter state mm:0000000097fb946b type:MM_FILEPAGES val:33
[ 37.779422] BUG: Bad rss-counter state mm:0000000097fb946b type:MM_ANONPAGES val:22
[ 38.178460] BUG: Bad rss-counter state mm:0000000096a3deae type:MM_FILEPAGES val:33
[ 38.179191] BUG: Bad rss-counter state mm:0000000096a3deae type:MM_ANONPAGES val:22
Warning: Permanently added '[localhost]:31022' (ECDSA) to the list of known hosts.
2023/06/21 05:16:54 fuzzer started
2023/06/21 05:16:54 dialing manager at localhost:36067
2023/06/21 05:16:54 checking machine...
2023/06/21 05:16:54 checking revisions...
[ 38.798771] kmemleak: Automatic memory scanning thread ended
2023/06/21 05:16:54 testing simple program...
[ 38.837217] cgroup: Unknown subsys name 'net'
[ 38.868206] cgroup: Unknown subsys name 'rlimit'
executing program
executing program
[ 45.935866] general protection fault, probably for non-canonical address 0xdffffc0000000001: 0000 [#1] PREEMPT SMP KASAN NOPTI
[ 45.937346] KASAN: null-ptr-deref in range [0x0000000000000008-0x000000000000000f]
[ 45.938296] CPU: 0 PID: 273 Comm: cron Tainted: G B 6.4.0-rc7-next-20230620 #1
[ 45.939386] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
[ 45.940418] RIP: 0010:__rb_insert_augmented+0x78/0x8b0
[ 45.941120] Code: ea 48 c1 ea 03 42 80 3c 2a 00 0f 85 65 05 00 00 4c 8b 65 00 41 f6 c4 01 0f 85 18 05 00 00 4d 8d 44 24 08 4c 89 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
[ 45.943382] RSP: 0018:ffff8880169378a8 EFLAGS: 00010212
[ 45.944073] RAX: ffff888019b78fb8 RBX: ffff888019f24210 RCX: 1ffff110033e4842
[ 45.944983] RDX: 0000000000000001 RSI: ffff888019b78fb8 RDI: ffff888019f24210
[ 45.945894] RBP: ffff888016719ec0 R08: 0000000000000008 R09: 0000000000000000
[ 45.946819] R10: 0000000000000000 R11: 00000000000b6a61 R12: 0000000000000000
[ 45.947721] R13: dffffc0000000000 R14: ffff888016937988 R15: ffffffff816e6340
[ 45.948631] FS: 00007fae6dd08840(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000
[ 45.949643] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 45.950382] CR2: 00007fae6d8e4000 CR3: 000000000ead6000 CR4: 0000000000350ef0
[ 45.951292] Call Trace:
[ 45.951632]
[ 45.951933] ? die_addr+0x3c/0xa0
[ 45.952404] ? exc_general_protection+0x125/0x220
[ 45.953061] ? asm_exc_general_protection+0x26/0x30
[ 45.953738] ? __pfx_vma_interval_tree_augment_rotate+0x10/0x10
[ 45.954553] ? __rb_insert_augmented+0x78/0x8b0
[ 45.955176] ? vma_interval_tree_insert+0x23a/0x400
[ 45.955829] vma_prepare+0xa1a/0x11a0
[ 45.956335] __split_vma+0x5af/0x950
[ 45.956841] ? __pfx___split_vma+0x10/0x10
[ 45.957406] ? lock_acquire+0x434/0x4c0
[ 45.957941] do_vmi_align_munmap+0x361/0x11f0
[ 45.958546] ? __pfx_do_vmi_align_munmap+0x10/0x10
[ 45.959190] ? mtree_range_walk+0x632/0x900
[ 45.959780] ? mas_walk+0x5c7/0x7c0
[ 45.960279] do_vmi_munmap+0x1f1/0x2b0
[ 45.960804] mmap_region+0x1f9/0x2660
[ 45.961315] ? __pfx_arch_get_unmapped_area_topdown+0x10/0x10
[ 45.962072] ? __pfx_lock_acquire+0x10/0x10
[ 45.962657] ? __pfx_mmap_region+0x10/0x10
[ 45.963220] ? security_mmap_addr+0x7d/0xa0
[ 45.963785] ? get_unmapped_area+0x1f5/0x3f0
[ 45.964371] do_mmap+0x854/0xf00
[ 45.964836] vm_mmap_pgoff+0x1a6/0x3a0
[ 45.965360] ? __pfx_vm_mmap_pgoff+0x10/0x10
[ 45.965960] ksys_mmap_pgoff+0x3af/0x500
[ 45.966512] do_syscall_64+0x3f/0x90
[ 45.967021] entry_SYSCALL_64_after_hwframe+0x6e/0xd8
[ 45.967707] RIP: 0033:0x7fae6e02ad82
[ 45.968189] 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
[ 45.970456] RSP: 002b:00007ffdc82c5d18 EFLAGS: 00000206 ORIG_RAX: 0000000000000009
[ 45.971447] RAX: ffffffffffffffda RBX: 0000000000000812 RCX: 00007fae6e02ad82
[ 45.972343] RDX: 0000000000000005 RSI: 0000000000001000 RDI: 00007fae6d8df000
[ 45.973240] RBP: 00007fae6d8df000 R08: 0000000000000009 R09: 0000000000001000
[ 45.974143] R10: 0000000000000812 R11: 0000000000000206 R12: 0000560a5252c580
[ 45.975047] R13: 00007ffdc82c5d30 R14: 00007ffdc82c5d60 R15: 00007ffdc82c60c0
[ 45.975957]
[ 45.976266] Modules linked in:
[ 45.976867] ---[ end trace 0000000000000000 ]---
[ 45.977666] RIP: 0010:__rb_insert_augmented+0x78/0x8b0
[ 45.978368] Code: ea 48 c1 ea 03 42 80 3c 2a 00 0f 85 65 05 00 00 4c 8b 65 00 41 f6 c4 01 0f 85 18 05 00 00 4d 8d 44 24 08 4c 89 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
[ 45.981059] RSP: 0018:ffff8880169378a8 EFLAGS: 00010212
[ 45.981857] RAX: ffff888019b78fb8 RBX: ffff888019f24210 RCX: 1ffff110033e4842
[ 45.982875] RDX: 0000000000000001 RSI: ffff888019b78fb8 RDI: ffff888019f24210
[ 45.983865] RBP: ffff888016719ec0 R08: 0000000000000008 R09: 0000000000000000
[ 45.984888] R10: 0000000000000000 R11: 00000000000b6a61 R12: 0000000000000000
[ 45.985922] R13: dffffc0000000000 R14: ffff888016937988 R15: ffffffff816e6340
[ 45.986862] FS: 00007fae6dd08840(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000
[ 45.987895] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 45.988664] CR2: 00007fae6d8e4000 CR3: 000000000ead6000 CR4: 0000000000350ef0
executing program
VM DIAGNOSIS:
05:16:54 Registers:
info registers vcpu 0
RAX=0000000000000000 RBX=ffffffff854ee9e8 RCX=0000000000000000 RDX=ffff888015e251c0
RSI=0000000000000000 RDI=0000000000000000 RBP=0000000000000000 RSP=ffff8880145ffcb8
R8 =0000000000000004 R9 =0000000000000000 R10=00000000fffffffe R11=0000000000000000
R12=0000000000000000 R13=0000000000000000 R14=00000000fffffffe R15=0000000000000001
RIP=ffffffff814c0344 RFL=00000293 [--S-A-C] 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 00007fec4705f900 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=00007fec47616618 CR3=000000000dff6000 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=6e69676f6c5f6d61702c78756e696c65
XMM02=755f6d61702c74696d7265705f6d6170 XMM03=2c766e655f6d61702c7374696d696c5f
XMM04=6d61702c766e655f6d61702c7374696d XMM05=78696e755f6d61702c74696d7265705f
XMM06=6469756e69676f6c5f6d61702c78756e XMM07=672065736f6c635f6e6f69737365733a
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=ffffffff8451250e RDX=ffffed100d9e6a01
RSI=0000000000000004 RDI=ffffffff81288ac5 RBP=dffffc0000000000 RSP=ffff888008e07e70
R8 =0000000000000000 R9 =ffffed100d9e6a00 R10=ffff88806cf35003 R11=0000000000000001
R12=ffffffff85d3d350 R13=1ffff110011c0fd3 R14=0000000000000000 R15=0000000000000000
RIP=ffffffff8451349f 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=00007fdba63e3200 CR3=000000000d6ce000 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=00000000000000000000000000000000 XMM01=88dd6e4bdd4bb7939f40f818aef96c7b
XMM02=ec2efd57dc4c00df000000000011b3c0 XMM03=9df786e390b73a25000000000011b490
XMM04=f910937e5c6a9b9e00000000000ae988 XMM05=78b6b5da7fe6cc7a00000000001327a0
XMM06=8fede82a5ad58cbe0000000000131858 XMM07=e042d86d42eb936e00000000001220a8
XMM08=9df786e390b73a25000000000011b490 XMM09=00000000000000000000000000000000
XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000
XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000
XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000