syzkaller login: [ 30.050639] BUG: Bad rss-counter state mm:00000000fa6d7fb7 type:MM_FILEPAGES val:33
[ 30.051656] BUG: Bad rss-counter state mm:00000000fa6d7fb7 type:MM_ANONPAGES val:22
[ 30.219005] ==================================================================
[ 30.220098] BUG: KASAN: slab-use-after-free in vma_interval_tree_remove+0xc75/0xec0
[ 30.221282] Read of size 8 at addr ffff88800fe2fc20 by task sshd/220
[ 30.222348]
[ 30.222620] CPU: 1 PID: 220 Comm: sshd Not tainted 6.4.0-rc7-next-20230620 #1
[ 30.223723] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
[ 30.224737] Call Trace:
[ 30.225058]
[ 30.225344] dump_stack_lvl+0x91/0xf0
[ 30.225855] print_report+0xcc/0x620
[ 30.226343] ? __virt_addr_valid+0x102/0x340
[ 30.226906] ? vma_interval_tree_remove+0xc75/0xec0
[ 30.227528] ? vma_interval_tree_remove+0xc75/0xec0
[ 30.228156] kasan_report+0xbe/0xf0
[ 30.228630] ? vma_interval_tree_remove+0xc75/0xec0
[ 30.229275] vma_interval_tree_remove+0xc75/0xec0
[ 30.229902] vma_prepare+0xc54/0x11a0
[ 30.230392] __split_vma+0x5af/0x950
[ 30.230885] ? __pfx___split_vma+0x10/0x10
[ 30.231449] ? find_held_lock+0x2c/0x110
[ 30.231992] do_vmi_align_munmap+0x2ba/0x11f0
[ 30.232567] ? lock_is_held_type+0x9f/0x120
[ 30.233073] ? __pfx_do_vmi_align_munmap+0x10/0x10
[ 30.233685] ? mtree_range_walk+0x632/0x900
[ 30.234268] ? mas_walk+0x5c7/0x7c0
[ 30.234754] do_vmi_munmap+0x1f1/0x2b0
[ 30.235266] mmap_region+0x1f9/0x2660
[ 30.235770] ? vm_mmap_pgoff+0x15c/0x3a0
[ 30.236292] ? __pfx_arch_get_unmapped_area_topdown+0x10/0x10
[ 30.237014] ? __pfx_lock_acquire+0x10/0x10
[ 30.237549] ? __pfx_mmap_region+0x10/0x10
[ 30.238093] ? security_mmap_addr+0x7d/0xa0
[ 30.238639] ? get_unmapped_area+0x1f5/0x3f0
[ 30.239208] do_mmap+0x854/0xf00
[ 30.239652] vm_mmap_pgoff+0x1a6/0x3a0
[ 30.240160] ? __pfx_vm_mmap_pgoff+0x10/0x10
[ 30.240726] ksys_mmap_pgoff+0x3af/0x500
[ 30.241240] do_syscall_64+0x3f/0x90
[ 30.241729] entry_SYSCALL_64_after_hwframe+0x6e/0xd8
[ 30.242408] RIP: 0033:0x7f99eb8efd82
[ 30.242871] 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
[ 30.245029] RSP: 002b:00007ffc318782d8 EFLAGS: 00000206 ORIG_RAX: 0000000000000009
[ 30.245953] RAX: ffffffffffffffda RBX: 0000000000000812 RCX: 00007f99eb8efd82
[ 30.246812] RDX: 0000000000000005 RSI: 0000000000001000 RDI: 00007f99ead29000
[ 30.247685] RBP: 00007f99ead29000 R08: 0000000000000009 R09: 0000000000001000
[ 30.248546] R10: 0000000000000812 R11: 0000000000000206 R12: 000056000e245b20
[ 30.249408] R13: 00007ffc318782f0 R14: 00007ffc31878320 R15: 00007ffc31878680
[ 30.250293]
[ 30.250588]
[ 30.250807] Allocated by task 213:
[ 30.251249] kasan_save_stack+0x22/0x50
[ 30.251766] kasan_set_track+0x25/0x30
[ 30.252266] __kasan_slab_alloc+0x59/0x70
[ 30.252794] kmem_cache_alloc+0x16b/0x370
[ 30.253319] vm_area_dup+0x20/0x160
[ 30.253787] __split_vma+0x170/0x950
[ 30.254268] split_vma+0xc6/0x110
[ 30.254705] mprotect_fixup+0x8d2/0xb30
[ 30.255222] do_mprotect_pkey+0x87e/0xd40
[ 30.255745] __x64_sys_mprotect+0x78/0xc0
[ 30.256277] do_syscall_64+0x3f/0x90
[ 30.256785] entry_SYSCALL_64_after_hwframe+0x6e/0xd8
[ 30.257429]
[ 30.257651] Freed by task 213:
[ 30.258057] kasan_save_stack+0x22/0x50
[ 30.258573] kasan_set_track+0x25/0x30
[ 30.259093] kasan_save_free_info+0x2b/0x50
[ 30.259648] __kasan_slab_free+0x10a/0x190
[ 30.260202] kmem_cache_free+0x10d/0x4d0
[ 30.260737] rcu_core+0x8c8/0x2860
[ 30.261193] __do_softirq+0x1b7/0x7d4
[ 30.261693]
[ 30.261935] Last potentially related work creation:
[ 30.262640] kasan_save_stack+0x22/0x50
[ 30.263155] __kasan_record_aux_stack+0x8e/0xa0
[ 30.263760] __call_rcu_common.constprop.0+0x6a/0xb90
[ 30.264425] remove_vma+0x139/0x170
[ 30.264890] do_vmi_align_munmap+0xd4a/0x11f0
[ 30.265464] do_vmi_munmap+0x1f1/0x2b0
[ 30.265974] __vm_munmap+0x138/0x3a0
[ 30.266459] __x64_sys_munmap+0x59/0x80
[ 30.266979] do_syscall_64+0x3f/0x90
[ 30.267485] entry_SYSCALL_64_after_hwframe+0x6e/0xd8
[ 30.268161]
[ 30.268386] The buggy address belongs to the object at ffff88800fe2fbc8
[ 30.268386] which belongs to the cache vm_area_struct of size 168
[ 30.269954] The buggy address is located 88 bytes inside of
[ 30.269954] freed 168-byte region [ffff88800fe2fbc8, ffff88800fe2fc70)
[ 30.271435]
[ 30.271662] The buggy address belongs to the physical page:
[ 30.272358] page:000000001a9c0749 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0xfe2f
[ 30.273500] memcg:ffff888019ec3701
[ 30.273960] flags: 0x100000000000200(slab|node=0|zone=1)
[ 30.274641] page_type: 0xffffffff()
[ 30.275118] raw: 0100000000000200 ffff8880087a0c80 dead000000000122 0000000000000000
[ 30.276097] raw: 0000000000000000 0000000000110011 00000001ffffffff ffff888019ec3701
[ 30.277055] page dumped because: kasan: bad access detected
[ 30.277769]
[ 30.277996] Memory state around the buggy address:
[ 30.278609] ffff88800fe2fb00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
[ 30.279518] ffff88800fe2fb80: 00 fc fc fc fc fc fc fc fc fa fb fb fb fb fb fb
[ 30.280420] >ffff88800fe2fc00: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fc fc
[ 30.281329] ^
[ 30.281891] ffff88800fe2fc80: fc fc fc fc fc fc fa fb fb fb fb fb fb fb fb fb
[ 30.282795] ffff88800fe2fd00: fb fb fb fb fb fb fb fb fb fb fb fc fc fc fc fc
[ 30.283692] ==================================================================
[ 30.284675] Disabling lock debugging due to kernel taint
[ 33.043937] BUG: Bad rss-counter state mm:0000000049624584 type:MM_FILEPAGES val:33
[ 33.045193] BUG: Bad rss-counter state mm:0000000049624584 type:MM_ANONPAGES val:22
[ 33.640764] BUG: Bad rss-counter state mm:000000004b421c8b type:MM_FILEPAGES val:33
[ 33.641967] BUG: Bad rss-counter state mm:000000004b421c8b type:MM_ANONPAGES val:22
Warning: Permanently added '[localhost]:42625' (ECDSA) to the list of known hosts.
2023/06/20 19:16:51 fuzzer started
2023/06/20 19:16:51 dialing manager at localhost:36067
2023/06/20 19:16:52 checking machine...
2023/06/20 19:16:52 checking revisions...
[ 34.285254] kmemleak: Automatic memory scanning thread ended
2023/06/20 19:16:52 testing simple program...
[ 34.332686] cgroup: Unknown subsys name 'net'
[ 34.389480] cgroup: Unknown subsys name 'rlimit'
executing program
executing program
executing program
[ 43.358831] general protection fault, probably for non-canonical address 0xe0877c012000001d: 0000 [#1] PREEMPT SMP KASAN NOPTI
[ 43.360223] KASAN: maybe wild-memory-access in range [0x043c0009000000e8-0x043c0009000000ef]
[ 43.361240] CPU: 0 PID: 265 Comm: cron Tainted: G B 6.4.0-rc7-next-20230620 #1
[ 43.362299] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
[ 43.363268] RIP: 0010:vma_interval_tree_insert+0x114/0x400
[ 43.363957] Code: fa 48 c1 ea 03 80 3c 2a 00 0f 85 52 02 00 00 49 8b 17 48 85 d2 74 7f 48 89 d3 e8 e7 9b dd ff 48 8d 7b 18 48 89 f8 48 c1 e8 03 <80> 3c 28 00 0f 85 23 02 00 00 4c 8b 7b 18 4c 89 e6 4c 89 ff e8 d3
[ 43.366183] RSP: 0018:ffff888017f4f8a8 EFLAGS: 00010217
[ 43.366856] RAX: 008780012000001d RBX: 043c0009000000d5 RCX: 0000000000000000
[ 43.367738] RDX: ffff8880168db680 RSI: ffffffff816e6c79 RDI: 043c0009000000ed
[ 43.368625] RBP: dffffc0000000000 R08: 0000000000000006 R09: 0000000000000002
[ 43.369504] R10: 0000000000000000 R11: 00000000000b6a61 R12: 0000000000000004
[ 43.370417] R13: 0000000000000002 R14: ffff8880097353a0 R15: ffff88800fe2f3a8
[ 43.371307] FS: 00007f4d515eb840(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000
[ 43.372305] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 43.373037] CR2: 000055c627baa2e8 CR3: 000000000e09a000 CR4: 0000000000350ef0
[ 43.373931] Call Trace:
[ 43.374272]
[ 43.374565] ? die_addr+0x3c/0xa0
[ 43.375035] ? exc_general_protection+0x125/0x220
[ 43.375676] ? asm_exc_general_protection+0x26/0x30
[ 43.376337] ? vma_interval_tree_insert+0x109/0x400
[ 43.376978] ? vma_interval_tree_insert+0x114/0x400
[ 43.377611] ? vma_interval_tree_insert+0x109/0x400
[ 43.378281] vma_prepare+0xa1a/0x11a0
[ 43.378775] __split_vma+0x5af/0x950
[ 43.379262] ? __pfx___split_vma+0x10/0x10
[ 43.379815] ? lock_acquire+0x434/0x4c0
[ 43.380338] do_vmi_align_munmap+0x361/0x11f0
[ 43.380935] ? __pfx_do_vmi_align_munmap+0x10/0x10
[ 43.381582] ? mtree_range_walk+0x632/0x900
[ 43.382219] ? mas_walk+0x5c7/0x7c0
[ 43.382727] do_vmi_munmap+0x1f1/0x2b0
[ 43.383255] mmap_region+0x1f9/0x2660
[ 43.383772] ? __pfx_arch_get_unmapped_area_topdown+0x10/0x10
[ 43.384535] ? __pfx_lock_acquire+0x10/0x10
[ 43.385106] ? __pfx_mmap_region+0x10/0x10
[ 43.385666] ? security_mmap_addr+0x7d/0xa0
[ 43.386261] ? get_unmapped_area+0x1f5/0x3f0
[ 43.386853] do_mmap+0x854/0xf00
[ 43.387321] vm_mmap_pgoff+0x1a6/0x3a0
[ 43.387836] ? __pfx_vm_mmap_pgoff+0x10/0x10
[ 43.388430] ksys_mmap_pgoff+0x3af/0x500
[ 43.388975] do_syscall_64+0x3f/0x90
[ 43.389481] entry_SYSCALL_64_after_hwframe+0x6e/0xd8
[ 43.390196] RIP: 0033:0x7f4d5190dd82
[ 43.390684] 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
[ 43.392979] RSP: 002b:00007ffe9f48ee28 EFLAGS: 00000206 ORIG_RAX: 0000000000000009
[ 43.393971] RAX: ffffffffffffffda RBX: 0000000000000812 RCX: 00007f4d5190dd82
[ 43.394875] RDX: 0000000000000005 RSI: 0000000000001000 RDI: 00007f4d511c7000
[ 43.395782] RBP: 00007f4d511c7000 R08: 0000000000000009 R09: 0000000000001000
[ 43.396697] R10: 0000000000000812 R11: 0000000000000206 R12: 000055c627ba9e00
[ 43.397605] R13: 00007ffe9f48ee40 R14: 00007ffe9f48ee70 R15: 00007ffe9f48f1d0
[ 43.398566]
[ 43.398885] Modules linked in:
[ 43.399407] ---[ end trace 0000000000000000 ]---
[ 43.400151] RIP: 0010:vma_interval_tree_insert+0x114/0x400
[ 43.400966] Code: fa 48 c1 ea 03 80 3c 2a 00 0f 85 52 02 00 00 49 8b 17 48 85 d2 74 7f 48 89 d3 e8 e7 9b dd ff 48 8d 7b 18 48 89 f8 48 c1 e8 03 <80> 3c 28 00 0f 85 23 02 00 00 4c 8b 7b 18 4c 89 e6 4c 89 ff e8 d3
[ 43.403453] RSP: 0018:ffff888017f4f8a8 EFLAGS: 00010217
[ 43.404291] RAX: 008780012000001d RBX: 043c0009000000d5 RCX: 0000000000000000
[ 43.405294] RDX: ffff8880168db680 RSI: ffffffff816e6c79 RDI: 043c0009000000ed
[ 43.406362] RBP: dffffc0000000000 R08: 0000000000000006 R09: 0000000000000002
[ 43.407368] R10: 0000000000000000 R11: 00000000000b6a61 R12: 0000000000000004
[ 43.408303] R13: 0000000000000002 R14: ffff8880097353a0 R15: ffff88800fe2f3a8
[ 43.409239] FS: 00007f4d515eb840(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000
[ 43.410303] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 43.411079] CR2: 000055c627baa2e8 CR3: 000000000e09a000 CR4: 0000000000350ef0
VM DIAGNOSIS:
19:16:51 Registers:
info registers vcpu 0
RAX=dffffc0000000000 RBX=ffffffff81370a8a RCX=0000000000000001 RDX=1ffff1100d9c1355
RSI=ffff88806ce09da8 RDI=ffffffff81370a8a RBP=ffffffff81370a8a RSP=ffff88806ce09a08
R8 =0000000000000001 R9 =ffff88806ce09a90 R10=0000000000038001 R11=0000000000020ed2
R12=ffff88806ce09b18 R13=0000000000000000 R14=ffff8880168d8000 R15=ffff88800d364b00
RIP=ffffffff811fc6f0 RFL=00000282 [--S----] 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 =0000 0000000000000000 00000000 00000000
DS =0000 0000000000000000 00000000 00000000
FS =0000 00007fb997353900 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=0000558c2a21c000 CR3=000000000e116000 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=ffffffff00ffffffffffffffffffffff XMM01=707465675f6c697475646f6d6d61705f
XMM02=ff000000000000ff0000000000ff0000 XMM03=66207463656e6e6f6373696420646576
XMM04=00000000000000000000000000000000 XMM05=00000000000000000000000000000000
XMM06=0d0c0f0e09080b0a0504070601000302 XMM07=00000000000000000000000000000000
XMM08=000a0d732a2e25006c61746166003367 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=ffff888008c04400
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=00007ffed1ec3f68 CR3=0000000005482000 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=00007f4b06bbf510000055ff2193f790
XMM02=6f6974707972636e6561737268746977 XMM03=00000000000000000000000000777074
XMM04=40404040404040404040404040404040 XMM05=5a5a5a5a5a5a5a5a5a5a5a5a5a5a5a5a
XMM06=20202020202020202020202020202020 XMM07=ffffffffffff00ffffff00ffffff00ff
XMM08=00002000000000202020002020200000 XMM09=ffffffffffff00ffffff00ffffff00ff
XMM10=00002000000000202020002020200000 XMM11=00000000000000000000000000000000
XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000
XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000