syzkaller login: [ 30.548562] BUG: Bad rss-counter state mm:00000000ae7d7ba1 type:MM_FILEPAGES val:33
[ 30.550067] BUG: Bad rss-counter state mm:00000000ae7d7ba1 type:MM_ANONPAGES val:22
[ 30.693729] ==================================================================
[ 30.694853] BUG: KASAN: slab-use-after-free in vma_interval_tree_remove+0xc75/0xec0
[ 30.696141] Read of size 8 at addr ffff88800c4a3ed8 by task sshd/219
[ 30.697060]
[ 30.697317] CPU: 1 PID: 219 Comm: sshd Not tainted 6.4.0-rc7-next-20230620 #1
[ 30.698362] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
[ 30.699360] Call Trace:
[ 30.699690]
[ 30.699974] dump_stack_lvl+0x91/0xf0
[ 30.700470] print_report+0xcc/0x620
[ 30.700968] ? __virt_addr_valid+0x102/0x340
[ 30.701530] ? vma_interval_tree_remove+0xc75/0xec0
[ 30.702173] ? vma_interval_tree_remove+0xc75/0xec0
[ 30.702791] kasan_report+0xbe/0xf0
[ 30.703278] ? vma_interval_tree_remove+0xc75/0xec0
[ 30.703901] vma_interval_tree_remove+0xc75/0xec0
[ 30.704522] vma_prepare+0xc54/0x11a0
[ 30.704998] __split_vma+0x5af/0x950
[ 30.705502] ? __pfx___split_vma+0x10/0x10
[ 30.706049] ? find_held_lock+0x2c/0x110
[ 30.706581] do_vmi_align_munmap+0x2ba/0x11f0
[ 30.707154] ? lock_is_held_type+0x9f/0x120
[ 30.707714] ? __pfx_do_vmi_align_munmap+0x10/0x10
[ 30.708324] ? mtree_range_walk+0x632/0x900
[ 30.708887] ? mas_walk+0x5c7/0x7c0
[ 30.709372] do_vmi_munmap+0x1f1/0x2b0
[ 30.709882] mmap_region+0x1f9/0x2660
[ 30.710360] ? vm_mmap_pgoff+0x15c/0x3a0
[ 30.710880] ? __pfx_arch_get_unmapped_area_topdown+0x10/0x10
[ 30.711629] ? __pfx_lock_acquire+0x10/0x10
[ 30.712156] ? __pfx_mmap_region+0x10/0x10
[ 30.712690] ? security_mmap_addr+0x7d/0xa0
[ 30.713225] ? get_unmapped_area+0x1f5/0x3f0
[ 30.713804] do_mmap+0x854/0xf00
[ 30.714248] vm_mmap_pgoff+0x1a6/0x3a0
[ 30.714744] ? __pfx_vm_mmap_pgoff+0x10/0x10
[ 30.715327] ksys_mmap_pgoff+0x3af/0x500
[ 30.715829] do_syscall_64+0x3f/0x90
[ 30.716319] entry_SYSCALL_64_after_hwframe+0x6e/0xd8
[ 30.716971] RIP: 0033:0x7f2bdf633d82
[ 30.717445] 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
[ 30.719622] RSP: 002b:00007ffc276606d8 EFLAGS: 00000206 ORIG_RAX: 0000000000000009
[ 30.720542] RAX: ffffffffffffffda RBX: 0000000000000812 RCX: 00007f2bdf633d82
[ 30.721394] RDX: 0000000000000005 RSI: 0000000000001000 RDI: 00007f2bdea6d000
[ 30.722254] RBP: 00007f2bdea6d000 R08: 0000000000000009 R09: 0000000000001000
[ 30.723108] R10: 0000000000000812 R11: 0000000000000206 R12: 000055be5a1e6ec0
[ 30.723967] R13: 00007ffc276606f0 R14: 00007ffc27660720 R15: 00007ffc27660a80
[ 30.724836]
[ 30.725129]
[ 30.725346] Allocated by task 212:
[ 30.725791] kasan_save_stack+0x22/0x50
[ 30.726302] kasan_set_track+0x25/0x30
[ 30.726793] __kasan_slab_alloc+0x59/0x70
[ 30.727335] kmem_cache_alloc+0x16b/0x370
[ 30.727847] vm_area_dup+0x20/0x160
[ 30.728325] __split_vma+0x170/0x950
[ 30.728786] split_vma+0xc6/0x110
[ 30.729239] mprotect_fixup+0x8d2/0xb30
[ 30.729738] do_mprotect_pkey+0x87e/0xd40
[ 30.730308] __x64_sys_mprotect+0x78/0xc0
[ 30.730826] do_syscall_64+0x3f/0x90
[ 30.731311] entry_SYSCALL_64_after_hwframe+0x6e/0xd8
[ 30.731961]
[ 30.732178] Freed by task 212:
[ 30.732584] kasan_save_stack+0x22/0x50
[ 30.733091] kasan_set_track+0x25/0x30
[ 30.733594] kasan_save_free_info+0x2b/0x50
[ 30.734145] __kasan_slab_free+0x10a/0x190
[ 30.734696] kmem_cache_free+0x10d/0x4d0
[ 30.735207] rcu_core+0x8c8/0x2860
[ 30.735668] __do_softirq+0x1b7/0x7d4
[ 30.736145]
[ 30.736423] Last potentially related work creation:
[ 30.737029] kasan_save_stack+0x22/0x50
[ 30.737541] __kasan_record_aux_stack+0x8e/0xa0
[ 30.738150] __call_rcu_common.constprop.0+0x6a/0xb90
[ 30.738808] remove_vma+0x139/0x170
[ 30.739260] do_vmi_align_munmap+0xd4a/0x11f0
[ 30.739819] do_vmi_munmap+0x1f1/0x2b0
[ 30.740315] __vm_munmap+0x138/0x3a0
[ 30.740790] __x64_sys_munmap+0x59/0x80
[ 30.741306] do_syscall_64+0x3f/0x90
[ 30.741788] entry_SYSCALL_64_after_hwframe+0x6e/0xd8
[ 30.742442]
[ 30.742656] The buggy address belongs to the object at ffff88800c4a3e80
[ 30.742656] which belongs to the cache vm_area_struct of size 168
[ 30.744130] The buggy address is located 88 bytes inside of
[ 30.744130] freed 168-byte region [ffff88800c4a3e80, ffff88800c4a3f28)
[ 30.745575]
[ 30.745807] The buggy address belongs to the physical page:
[ 30.746485] page:0000000086bc0bd0 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0xc4a3
[ 30.747582] memcg:ffff88800d765901
[ 30.748011] flags: 0x100000000000200(slab|node=0|zone=1)
[ 30.748667] page_type: 0xffffffff()
[ 30.749116] raw: 0100000000000200 ffff8880087a0c80 dead000000000122 0000000000000000
[ 30.750078] raw: 0000000000000000 0000000000110011 00000001ffffffff ffff88800d765901
[ 30.750994] page dumped because: kasan: bad access detected
[ 30.751666]
[ 30.751902] Memory state around the buggy address:
[ 30.752482] ffff88800c4a3d80: fc fc fc 00 00 00 00 00 00 00 00 00 00 00 00 00
[ 30.753364] ffff88800c4a3e00: 00 00 00 00 00 00 00 00 fc fc fc fc fc fc fc fc
[ 30.754250] >ffff88800c4a3e80: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[ 30.755109] ^
[ 30.755841] ffff88800c4a3f00: fb fb fb fb fb fc fc fc fc fc fc fc fc fc fc fc
[ 30.756733] ffff88800c4a3f80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[ 30.757597] ==================================================================
[ 30.758603] Disabling lock debugging due to kernel taint
[ 33.648684] BUG: Bad rss-counter state mm:000000009d1f9e18 type:MM_FILEPAGES val:33
[ 33.649897] BUG: Bad rss-counter state mm:000000009d1f9e18 type:MM_ANONPAGES val:22
[ 34.075253] BUG: Bad rss-counter state mm:00000000778a1bc8 type:MM_FILEPAGES val:33
[ 34.076238] BUG: Bad rss-counter state mm:00000000778a1bc8 type:MM_ANONPAGES val:22
Warning: Permanently added '[localhost]:53954' (ECDSA) to the list of known hosts.
2023/06/21 01:16:58 fuzzer started
2023/06/21 01:16:58 dialing manager at localhost:36067
2023/06/21 01:16:58 checking machine...
2023/06/21 01:16:58 checking revisions...
[ 34.769702] kmemleak: Automatic memory scanning thread ended
2023/06/21 01:16:59 testing simple program...
[ 34.812493] cgroup: Unknown subsys name 'net'
[ 34.875087] cgroup: Unknown subsys name 'rlimit'
[ 36.796520] general protection fault, probably for non-canonical address 0xe0837c012000001d: 0000 [#1] PREEMPT SMP KASAN NOPTI
[ 36.797989] KASAN: maybe wild-memory-access in range [0x041c0009000000e8-0x041c0009000000ef]
[ 36.799037] CPU: 0 PID: 263 Comm: cron Tainted: G B 6.4.0-rc7-next-20230620 #1
[ 36.800116] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
[ 36.801148] RIP: 0010:vma_interval_tree_insert+0x114/0x400
[ 36.801885] 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
[ 36.804136] RSP: 0018:ffff88800ef5f8a8 EFLAGS: 00010217
[ 36.804809] RAX: 008380012000001d RBX: 041c0009000000d4 RCX: 0000000000000000
[ 36.805668] RDX: ffff88801596d1c0 RSI: ffffffff816e6c79 RDI: 041c0009000000ec
[ 36.806568] RBP: dffffc0000000000 R08: 0000000000000006 R09: 0000000000000002
[ 36.807408] R10: 0000000000000000 R11: 00000000000b6a61 R12: 0000000000000004
[ 36.808244] R13: 0000000000000002 R14: ffff888016aae000 R15: ffff88800c4a3660
[ 36.809085] FS: 00007f08a4e39840(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000
[ 36.810067] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 36.810764] CR2: 00005563f7e182e8 CR3: 00000000182e2000 CR4: 0000000000350ef0
[ 36.811610] Call Trace:
[ 36.811925]
[ 36.812204] ? die_addr+0x3c/0xa0
[ 36.812640] ? exc_general_protection+0x125/0x220
[ 36.813252] ? asm_exc_general_protection+0x26/0x30
[ 36.813899] ? vma_interval_tree_insert+0x109/0x400
[ 36.814509] ? vma_interval_tree_insert+0x114/0x400
[ 36.815122] ? vma_interval_tree_insert+0x109/0x400
[ 36.815737] vma_prepare+0xa1a/0x11a0
[ 36.816212] __split_vma+0x5af/0x950
[ 36.816677] ? __pfx___split_vma+0x10/0x10
[ 36.817199] ? lock_acquire+0x434/0x4c0
[ 36.817712] do_vmi_align_munmap+0x361/0x11f0
[ 36.818296] ? __pfx_do_vmi_align_munmap+0x10/0x10
[ 36.818924] ? mtree_range_walk+0x632/0x900
[ 36.819502] ? mas_walk+0x5c7/0x7c0
[ 36.819979] do_vmi_munmap+0x1f1/0x2b0
[ 36.820473] mmap_region+0x1f9/0x2660
[ 36.820962] ? __pfx_arch_get_unmapped_area_topdown+0x10/0x10
[ 36.821681] ? __pfx_lock_acquire+0x10/0x10
[ 36.822218] ? __pfx_mmap_region+0x10/0x10
[ 36.822765] ? security_mmap_addr+0x7d/0xa0
[ 36.823327] ? get_unmapped_area+0x1f5/0x3f0
[ 36.823889] do_mmap+0x854/0xf00
[ 36.824325] vm_mmap_pgoff+0x1a6/0x3a0
[ 36.824820] ? __pfx_vm_mmap_pgoff+0x10/0x10
[ 36.825379] ksys_mmap_pgoff+0x3af/0x500
[ 36.825899] do_syscall_64+0x3f/0x90
[ 36.826374] entry_SYSCALL_64_after_hwframe+0x6e/0xd8
[ 36.827014] RIP: 0033:0x7f08a515bd82
[ 36.827467] 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
[ 36.829571] RSP: 002b:00007ffd0d82a878 EFLAGS: 00000206 ORIG_RAX: 0000000000000009
[ 36.830478] RAX: ffffffffffffffda RBX: 0000000000000812 RCX: 00007f08a515bd82
[ 36.831324] RDX: 0000000000000005 RSI: 0000000000001000 RDI: 00007f08a4a15000
[ 36.832159] RBP: 00007f08a4a15000 R08: 0000000000000009 R09: 0000000000001000
[ 36.833006] R10: 0000000000000812 R11: 0000000000000206 R12: 00005563f7e17e00
[ 36.833861] R13: 00007ffd0d82a890 R14: 00007ffd0d82a8c0 R15: 00007ffd0d82ac20
[ 36.834720]
[ 36.835009] Modules linked in:
[ 36.835520] ---[ end trace 0000000000000000 ]---
[ 36.836082] RIP: 0010:vma_interval_tree_insert+0x114/0x400
[ 36.836855] 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
[ 36.839196] RSP: 0018:ffff88800ef5f8a8 EFLAGS: 00010217
[ 36.839837] RAX: 008380012000001d RBX: 041c0009000000d4 RCX: 0000000000000000
[ 36.840693] RDX: ffff88801596d1c0 RSI: ffffffff816e6c79 RDI: 041c0009000000ec
[ 36.841550] RBP: dffffc0000000000 R08: 0000000000000006 R09: 0000000000000002
[ 36.842424] R10: 0000000000000000 R11: 00000000000b6a61 R12: 0000000000000004
[ 36.843282] R13: 0000000000000002 R14: ffff888016aae000 R15: ffff88800c4a3660
[ 36.844120] FS: 00007f08a4e39840(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000
[ 36.845079] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 36.845787] CR2: 00005563f7e182e8 CR3: 00000000182e2000 CR4: 0000000000350ef0
executing program
executing program
executing program
VM DIAGNOSIS:
01:16:58 Registers:
info registers vcpu 0
RAX=dffffc0000000000 RBX=ffff88806ce09a98 RCX=0000000000000001 RDX=1ffff1100d9c135e
RSI=ffff8880101aff48 RDI=ffff88806ce09a98 RBP=ffff88806ce09af0 RSP=ffff88806ce09a80
R8 =0000000000000001 R9 =ffff88806ce09ad8 R10=0000000000038001 R11=00000000000b5080
R12=ffff88806ce09b60 R13=0000000000000000 R14=ffff88800d111b40 R15=ffff888019fe6c60
RIP=ffffffff8113038e 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 00007fc6852a8900 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=00007fc68585d650 CR3=000000001c6d0000 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=0000000080000001 RBX=00007f7bf1463c64 RCX=ffffffff813a0add RDX=ffff888014788000
RSI=0000000000000000 RDI=0000000000000006 RBP=ffffffffffffffff RSP=ffff888014787948
R8 =0000000000000006 R9 =00007f7bf1463c64 R10=ffffffffffffffff R11=00000000000b6a61
R12=0000000000000000 R13=0000000000000000 R14=ffff888014788000 R15=ffff88800ee99900
RIP=ffffffff814c086b 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 00007f7bf0baa900 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=00007f7beffb2610 CR3=000000000c690000 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=ffffffffffffffffffffffffffffffff XMM01=30306234386136303638616663356134
XMM02=38303062343861363036386166633561 XMM03=2f6c616e72756f6a2f676f6c2f6e7572
XMM04=e1d88a8cfc52486f00000000000ae988 XMM05=4c89ab734d433c020000000000132280
XMM06=292590f4d6871a070000000000131020 XMM07=00000000000000000000000000000000
XMM08=415453454d49545f454d49544c414552 XMM09=00000000000000000000000000000000
XMM10=20200000000020202020202020200000 XMM11=00000000000000000000000000000000
XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000
XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000