syzkaller login: [ 30.513865] BUG: Bad rss-counter state mm:000000005c437e63 type:MM_FILEPAGES val:33
[ 30.515600] BUG: Bad rss-counter state mm:000000005c437e63 type:MM_ANONPAGES val:22
[ 30.668476] ==================================================================
[ 30.669427] BUG: KASAN: slab-use-after-free in vma_interval_tree_remove+0xc75/0xec0
[ 30.670414] Read of size 8 at addr ffff888016ae6df0 by task sshd/221
[ 30.671339]
[ 30.671596] CPU: 0 PID: 221 Comm: sshd Not tainted 6.4.0-rc7-next-20230620 #1
[ 30.672519] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
[ 30.673558] Call Trace:
[ 30.673893]
[ 30.674191] dump_stack_lvl+0x91/0xf0
[ 30.674716] print_report+0xcc/0x620
[ 30.675266] ? __virt_addr_valid+0x102/0x340
[ 30.675883] ? vma_interval_tree_remove+0xc75/0xec0
[ 30.676535] ? vma_interval_tree_remove+0xc75/0xec0
[ 30.677198] kasan_report+0xbe/0xf0
[ 30.677701] ? vma_interval_tree_remove+0xc75/0xec0
[ 30.678367] vma_interval_tree_remove+0xc75/0xec0
[ 30.679036] vma_prepare+0xc54/0x11a0
[ 30.679578] __split_vma+0x5af/0x950
[ 30.680083] ? __pfx___split_vma+0x10/0x10
[ 30.680640] ? find_held_lock+0x2c/0x110
[ 30.681200] do_vmi_align_munmap+0x2ba/0x11f0
[ 30.681799] ? lock_is_held_type+0x9f/0x120
[ 30.682387] ? __pfx_do_vmi_align_munmap+0x10/0x10
[ 30.683075] ? mtree_range_walk+0x632/0x900
[ 30.683704] ? mas_walk+0x5c7/0x7c0
[ 30.684220] do_vmi_munmap+0x1f1/0x2b0
[ 30.684747] mmap_region+0x1f9/0x2660
[ 30.685255] ? vm_mmap_pgoff+0x15c/0x3a0
[ 30.685800] ? __pfx_arch_get_unmapped_area_topdown+0x10/0x10
[ 30.686556] ? __pfx_lock_acquire+0x10/0x10
[ 30.687159] ? __pfx_mmap_region+0x10/0x10
[ 30.687740] ? security_mmap_addr+0x7d/0xa0
[ 30.688316] ? get_unmapped_area+0x1f5/0x3f0
[ 30.688913] do_mmap+0x854/0xf00
[ 30.689390] vm_mmap_pgoff+0x1a6/0x3a0
[ 30.689920] ? __pfx_vm_mmap_pgoff+0x10/0x10
[ 30.690531] ksys_mmap_pgoff+0x3af/0x500
[ 30.691118] do_syscall_64+0x3f/0x90
[ 30.691657] entry_SYSCALL_64_after_hwframe+0x6e/0xd8
[ 30.692347] RIP: 0033:0x7fcea8b1cd82
[ 30.692831] 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
[ 30.695118] RSP: 002b:00007ffd9332e2e8 EFLAGS: 00000206 ORIG_RAX: 0000000000000009
[ 30.696101] RAX: ffffffffffffffda RBX: 0000000000000812 RCX: 00007fcea8b1cd82
[ 30.697009] RDX: 0000000000000005 RSI: 0000000000001000 RDI: 00007fcea7f56000
[ 30.697905] RBP: 00007fcea7f56000 R08: 0000000000000009 R09: 0000000000001000
[ 30.698797] R10: 0000000000000812 R11: 0000000000000206 R12: 00005580aacb1ec0
[ 30.699742] R13: 00007ffd9332e300 R14: 00007ffd9332e330 R15: 00007ffd9332e690
[ 30.700665]
[ 30.700980]
[ 30.701209] Allocated by task 214:
[ 30.701666] kasan_save_stack+0x22/0x50
[ 30.702211] kasan_set_track+0x25/0x30
[ 30.702744] __kasan_slab_alloc+0x59/0x70
[ 30.703336] kmem_cache_alloc+0x16b/0x370
[ 30.703918] vm_area_dup+0x20/0x160
[ 30.704418] __split_vma+0x170/0x950
[ 30.704927] split_vma+0xc6/0x110
[ 30.705412] mprotect_fixup+0x8d2/0xb30
[ 30.705968] do_mprotect_pkey+0x87e/0xd40
[ 30.706539] __x64_sys_mprotect+0x78/0xc0
[ 30.707143] do_syscall_64+0x3f/0x90
[ 30.707664] entry_SYSCALL_64_after_hwframe+0x6e/0xd8
[ 30.708360]
[ 30.708589] Freed by task 214:
[ 30.709013] kasan_save_stack+0x22/0x50
[ 30.709559] kasan_set_track+0x25/0x30
[ 30.710086] kasan_save_free_info+0x2b/0x50
[ 30.710662] __kasan_slab_free+0x10a/0x190
[ 30.711271] kmem_cache_free+0x10d/0x4d0
[ 30.711851] rcu_core+0x8c8/0x2860
[ 30.712330] __do_softirq+0x1b7/0x7d4
[ 30.712850]
[ 30.713080] Last potentially related work creation:
[ 30.713716] kasan_save_stack+0x22/0x50
[ 30.714257] __kasan_record_aux_stack+0x8e/0xa0
[ 30.714869] __call_rcu_common.constprop.0+0x6a/0xb90
[ 30.715624] remove_vma+0x139/0x170
[ 30.716126] do_vmi_align_munmap+0xd4a/0x11f0
[ 30.716740] do_vmi_munmap+0x1f1/0x2b0
[ 30.717282] __vm_munmap+0x138/0x3a0
[ 30.717799] __x64_sys_munmap+0x59/0x80
[ 30.718351] do_syscall_64+0x3f/0x90
[ 30.718882] entry_SYSCALL_64_after_hwframe+0x6e/0xd8
[ 30.719662]
[ 30.719901] The buggy address belongs to the object at ffff888016ae6d98
[ 30.719901] which belongs to the cache vm_area_struct of size 168
[ 30.721542] The buggy address is located 88 bytes inside of
[ 30.721542] freed 168-byte region [ffff888016ae6d98, ffff888016ae6e40)
[ 30.723154]
[ 30.723395] The buggy address belongs to the physical page:
[ 30.724146] page:000000000427047b refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x16ae6
[ 30.725357] memcg:ffff888019c30a01
[ 30.725832] flags: 0x100000000000200(slab|node=0|zone=1)
[ 30.726553] page_type: 0xffffffff()
[ 30.727089] raw: 0100000000000200 ffff8880087a0c80 dead000000000122 0000000000000000
[ 30.728129] raw: 0000000000000000 0000000000110011 00000001ffffffff ffff888019c30a01
[ 30.729139] page dumped because: kasan: bad access detected
[ 30.729872]
[ 30.730111] Memory state around the buggy address:
[ 30.730758] ffff888016ae6c80: fc fc fc fc fc fc 00 00 00 00 00 00 00 00 00 00
[ 30.731780] ffff888016ae6d00: 00 00 00 00 00 00 00 00 00 00 00 fc fc fc fc fc
[ 30.732741] >ffff888016ae6d80: fc fc fc fa fb fb fb fb fb fb fb fb fb fb fb fb
[ 30.733689] ^
[ 30.734587] ffff888016ae6e00: fb fb fb fb fb fb fb fb fc fc fc fc fc fc fc fc
[ 30.735596] ffff888016ae6e80: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[ 30.736542] ==================================================================
[ 30.737705] Disabling lock debugging due to kernel taint
[ 32.812081] BUG: Bad rss-counter state mm:00000000e038d531 type:MM_FILEPAGES val:33
[ 32.813258] BUG: Bad rss-counter state mm:00000000e038d531 type:MM_ANONPAGES val:22
[ 33.270459] BUG: Bad rss-counter state mm:00000000b0e467f4 type:MM_FILEPAGES val:33
[ 33.272225] BUG: Bad rss-counter state mm:00000000b0e467f4 type:MM_ANONPAGES val:22
Warning: Permanently added '[localhost]:63577' (ECDSA) to the list of known hosts.
2023/06/21 00:16:52 fuzzer started
2023/06/21 00:16:52 dialing manager at localhost:36067
2023/06/21 00:16:52 checking machine...
2023/06/21 00:16:52 checking revisions...
[ 33.944546] kmemleak: Automatic memory scanning thread ended
2023/06/21 00:16:52 testing simple program...
[ 33.999446] cgroup: Unknown subsys name 'net'
[ 34.040560] cgroup: Unknown subsys name 'rlimit'
executing program
executing program
[ 42.682791] general protection fault, probably for non-canonical address 0xe0877c012000001d: 0000 [#1] PREEMPT SMP KASAN NOPTI
[ 42.684481] KASAN: maybe wild-memory-access in range [0x043c0009000000e8-0x043c0009000000ef]
[ 42.685657] CPU: 1 PID: 265 Comm: cron Tainted: G B 6.4.0-rc7-next-20230620 #1
[ 42.686849] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
[ 42.687996] RIP: 0010:vma_interval_tree_insert+0x114/0x400
[ 42.688803] 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
[ 42.691301] RSP: 0018:ffff888019c6f8a8 EFLAGS: 00010217
[ 42.692062] RAX: 008780012000001d RBX: 043c0009000000d6 RCX: 0000000000000000
[ 42.693048] RDX: ffff888016d50000 RSI: ffffffff816e6c79 RDI: 043c0009000000ee
[ 42.694048] RBP: dffffc0000000000 R08: 0000000000000006 R09: 0000000000000002
[ 42.695044] R10: 0000000000000000 R11: 00000000000b6a61 R12: 0000000000000004
[ 42.696025] R13: 0000000000000002 R14: ffff88800d4cdae0 R15: ffff888016ae6578
[ 42.696546] FS: 00007fd8e495a840(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000
[ 42.697135] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 42.697566] CR2: 000055afe864e2e8 CR3: 000000000c484000 CR4: 0000000000350ee0
[ 42.698091] Call Trace:
[ 42.698291]
[ 42.698468] ? die_addr+0x3c/0xa0
[ 42.698740] ? exc_general_protection+0x125/0x220
[ 42.699127] ? asm_exc_general_protection+0x26/0x30
[ 42.699518] ? vma_interval_tree_insert+0x109/0x400
[ 42.699905] ? vma_interval_tree_insert+0x114/0x400
[ 42.700288] ? vma_interval_tree_insert+0x109/0x400
[ 42.700667] vma_prepare+0xa1a/0x11a0
[ 42.700963] __split_vma+0x5af/0x950
[ 42.701256] ? __pfx___split_vma+0x10/0x10
[ 42.701584] ? lock_acquire+0x434/0x4c0
[ 42.701892] do_vmi_align_munmap+0x361/0x11f0
[ 42.702247] ? __pfx_do_vmi_align_munmap+0x10/0x10
[ 42.702625] ? mtree_range_walk+0x632/0x900
[ 42.702970] ? mas_walk+0x5c7/0x7c0
[ 42.703261] do_vmi_munmap+0x1f1/0x2b0
[ 42.703565] mmap_region+0x1f9/0x2660
[ 42.703888] ? __pfx_arch_get_unmapped_area_topdown+0x10/0x10
[ 42.704328] ? __pfx_lock_acquire+0x10/0x10
[ 42.704659] ? __pfx_mmap_region+0x10/0x10
[ 42.704991] ? security_mmap_addr+0x7d/0xa0
[ 42.705318] ? get_unmapped_area+0x1f5/0x3f0
[ 42.705656] do_mmap+0x854/0xf00
[ 42.705932] vm_mmap_pgoff+0x1a6/0x3a0
[ 42.706239] ? __pfx_vm_mmap_pgoff+0x10/0x10
[ 42.706586] ksys_mmap_pgoff+0x3af/0x500
[ 42.706901] do_syscall_64+0x3f/0x90
[ 42.707195] entry_SYSCALL_64_after_hwframe+0x6e/0xd8
[ 42.707596] RIP: 0033:0x7fd8e4c7cd82
[ 42.707888] 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
[ 42.709484] RSP: 002b:00007ffc51227c38 EFLAGS: 00000206 ORIG_RAX: 0000000000000009
[ 42.710166] RAX: ffffffffffffffda RBX: 0000000000000812 RCX: 00007fd8e4c7cd82
[ 42.710805] RDX: 0000000000000005 RSI: 0000000000001000 RDI: 00007fd8e4536000
[ 42.711445] RBP: 00007fd8e4536000 R08: 0000000000000009 R09: 0000000000001000
[ 42.712102] R10: 0000000000000812 R11: 0000000000000206 R12: 000055afe864de00
[ 42.712732] R13: 00007ffc51227c50 R14: 00007ffc51227c80 R15: 00007ffc51227fe0
[ 42.713371]
[ 42.713590] Modules linked in:
[ 42.714027] ---[ end trace 0000000000000000 ]---
[ 42.714451] RIP: 0010:vma_interval_tree_insert+0x114/0x400
[ 42.715032] 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
[ 42.716719] RSP: 0018:ffff888019c6f8a8 EFLAGS: 00010217
[ 42.717213] RAX: 008780012000001d RBX: 043c0009000000d6 RCX: 0000000000000000
[ 42.717865] RDX: ffff888016d50000 RSI: ffffffff816e6c79 RDI: 043c0009000000ee
[ 42.718490] RBP: dffffc0000000000 R08: 0000000000000006 R09: 0000000000000002
[ 42.719146] R10: 0000000000000000 R11: 00000000000b6a61 R12: 0000000000000004
[ 42.719798] R13: 0000000000000002 R14: ffff88800d4cdae0 R15: ffff888016ae6578
[ 42.720439] FS: 00007fd8e495a840(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000
[ 42.721170] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 42.721697] CR2: 000055afe864e2e8 CR3: 000000000c484000 CR4: 0000000000350ee0
executing program
VM DIAGNOSIS:
00:16:52 Registers:
info registers vcpu 0
RAX=ffffffff86098095 RBX=0000000000000001 RCX=ffffffff86098092 RDX=0000000000000000
RSI=0000000000000000 RDI=ffffffff86098094 RBP=ffff88800fd17a08 RSP=ffff88800fd178f0
R8 =0000000000000001 R9 =ffff88800fd179f0 R10=0000000000038001 R11=0000000000006097
R12=ffff88800fd17a10 R13=ffff88800fd179f8 R14=ffff88800fd179b0 R15=ffff88800fd179b0
RIP=ffffffff811311ed 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 00007f3f1d6b4900 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=00007f3f1dc6c0b0 CR3=0000000019fe2000 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=000000000000000000000000000000ff
XMM02=000000000000000000000000000000ff XMM03=5320444f4854454d5f54505952434e45
XMM04=40404040404040404040404040404040 XMM05=5a5a5a5a5a5a5a5a5a5a5a5a5a5a5a5a
XMM06=20202020202020202020202020202020 XMM07=00000000000000000000000000000000
XMM08=ffbc64ffffbc44ffffbc34ffffbc9f00 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=0000563aedd7d038 CR3=000000000ee7e000 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=2031353a36313a3030203132206e754a XMM01=73732878696e755f6d6170203a5d3033
XMM02=65736f6c63206e6f6973736573203a29 XMM03=755f6d6170203a5d3033325b64687373
XMM04=69662068637573206f4e203a656c6163 XMM05=3a656c696620766e65206e65706f206f
XMM06=65733a6468737328766e655f6d617020 XMM07=6b7a79732031353a36313a3030203132
XMM08=3d656e696c646d632022656369767265 XMM09=00000000000000000000000000000000
XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000
XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000
XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000