syzkaller login: [ 32.194189] BUG: Bad rss-counter state mm:000000008a99a46b type:MM_FILEPAGES val:33
[ 32.196086] BUG: Bad rss-counter state mm:000000008a99a46b type:MM_ANONPAGES val:22
[ 32.367575] ==================================================================
[ 32.368540] BUG: KASAN: slab-use-after-free in vma_interval_tree_remove+0xc75/0xec0
[ 32.369536] Read of size 8 at addr ffff88800fd32c20 by task sshd/220
[ 32.370449]
[ 32.370679] CPU: 0 PID: 220 Comm: sshd Not tainted 6.4.0-rc7-next-20230619 #1
[ 32.371589] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
[ 32.372630] Call Trace:
[ 32.372967]
[ 32.373272] dump_stack_lvl+0x91/0xf0
[ 32.373787] print_report+0xcc/0x620
[ 32.374298] ? __virt_addr_valid+0x102/0x340
[ 32.374896] ? vma_interval_tree_remove+0xc75/0xec0
[ 32.375547] ? vma_interval_tree_remove+0xc75/0xec0
[ 32.376221] kasan_report+0xbe/0xf0
[ 32.376736] ? vma_interval_tree_remove+0xc75/0xec0
[ 32.377423] vma_interval_tree_remove+0xc75/0xec0
[ 32.378086] vma_prepare+0xc54/0x11a0
[ 32.378624] __split_vma+0x5af/0x950
[ 32.379143] ? __pfx___split_vma+0x10/0x10
[ 32.379727] ? find_held_lock+0x2c/0x110
[ 32.380304] do_vmi_align_munmap+0x2ba/0x11f0
[ 32.380926] ? lock_is_held_type+0x9f/0x120
[ 32.381517] ? __pfx_do_vmi_align_munmap+0x10/0x10
[ 32.382188] ? mtree_range_walk+0x632/0x900
[ 32.382805] ? mas_walk+0x5c7/0x7c0
[ 32.383329] do_vmi_munmap+0x1f1/0x2b0
[ 32.383870] mmap_region+0x1f9/0x2660
[ 32.384402] ? vm_mmap_pgoff+0x15c/0x3a0
[ 32.384970] ? __pfx_arch_get_unmapped_area_topdown+0x10/0x10
[ 32.385755] ? __pfx_lock_acquire+0x10/0x10
[ 32.386347] ? __pfx_mmap_region+0x10/0x10
[ 32.386930] ? security_mmap_addr+0x7d/0xa0
[ 32.387513] ? get_unmapped_area+0x1f5/0x3f0
[ 32.388120] do_mmap+0x854/0xf00
[ 32.388605] vm_mmap_pgoff+0x1a6/0x3a0
[ 32.389148] ? __pfx_vm_mmap_pgoff+0x10/0x10
[ 32.389764] ksys_mmap_pgoff+0x3af/0x500
[ 32.390328] do_syscall_64+0x3f/0x90
[ 32.390859] entry_SYSCALL_64_after_hwframe+0x6e/0xd8
[ 32.391559] RIP: 0033:0x7f8f4134ed82
[ 32.392049] 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
[ 32.394375] RSP: 002b:00007ffd45e15668 EFLAGS: 00000206 ORIG_RAX: 0000000000000009
[ 32.395389] RAX: ffffffffffffffda RBX: 0000000000000812 RCX: 00007f8f4134ed82
[ 32.396307] RDX: 0000000000000005 RSI: 0000000000001000 RDI: 00007f8f40788000
[ 32.397228] RBP: 00007f8f40788000 R08: 0000000000000009 R09: 0000000000001000
[ 32.398147] R10: 0000000000000812 R11: 0000000000000206 R12: 000055dc331fdb20
[ 32.399060] R13: 00007ffd45e15680 R14: 00007ffd45e156b0 R15: 00007ffd45e15a10
[ 32.399974]
[ 32.400287]
[ 32.400519] Allocated by task 213:
[ 32.400983] kasan_save_stack+0x22/0x50
[ 32.401526] kasan_set_track+0x25/0x30
[ 32.402052] __kasan_slab_alloc+0x59/0x70
[ 32.402618] kmem_cache_alloc+0x16b/0x370
[ 32.403167] vm_area_dup+0x20/0x160
[ 32.403649] __split_vma+0x170/0x950
[ 32.404148] split_vma+0xc6/0x110
[ 32.404617] mprotect_fixup+0x8d2/0xb30
[ 32.405152] do_mprotect_pkey+0x87e/0xd40
[ 32.405715] __x64_sys_mprotect+0x78/0xc0
[ 32.406266] do_syscall_64+0x3f/0x90
[ 32.406789] entry_SYSCALL_64_after_hwframe+0x6e/0xd8
[ 32.407485]
[ 32.407716] Freed by task 203:
[ 32.408139] kasan_save_stack+0x22/0x50
[ 32.408679] kasan_set_track+0x25/0x30
[ 32.409212] kasan_save_free_info+0x2b/0x50
[ 32.409778] __kasan_slab_free+0x10a/0x190
[ 32.410354] kmem_cache_free+0x10d/0x4d0
[ 32.410898] rcu_core+0x8c8/0x2860
[ 32.411376] __do_softirq+0x1b7/0x7d4
[ 32.411884]
[ 32.412115] Last potentially related work creation:
[ 32.412740] kasan_save_stack+0x22/0x50
[ 32.413277] __kasan_record_aux_stack+0x8e/0xa0
[ 32.413909] __call_rcu_common.constprop.0+0x6a/0xb90
[ 32.414626] remove_vma+0x139/0x170
[ 32.415116] do_vmi_align_munmap+0xd4a/0x11f0
[ 32.415716] do_vmi_munmap+0x1f1/0x2b0
[ 32.416239] __vm_munmap+0x138/0x3a0
[ 32.416738] __x64_sys_munmap+0x59/0x80
[ 32.417266] do_syscall_64+0x3f/0x90
[ 32.417771] entry_SYSCALL_64_after_hwframe+0x6e/0xd8
[ 32.418463]
[ 32.418690] The buggy address belongs to the object at ffff88800fd32bc8
[ 32.418690] which belongs to the cache vm_area_struct of size 168
[ 32.420265] The buggy address is located 88 bytes inside of
[ 32.420265] freed 168-byte region [ffff88800fd32bc8, ffff88800fd32c70)
[ 32.421768]
[ 32.421999] The buggy address belongs to the physical page:
[ 32.422701] page:0000000024c74c12 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0xfd32
[ 32.423856] memcg:ffff88800d49be01
[ 32.424313] flags: 0x100000000000200(slab|node=0|zone=1)
[ 32.425002] page_type: 0xffffffff()
[ 32.425488] raw: 0100000000000200 ffff88800879fc80 dead000000000122 0000000000000000
[ 32.426479] raw: 0000000000000000 0000000000110011 00000001ffffffff ffff88800d49be01
[ 32.427447] page dumped because: kasan: bad access detected
[ 32.428147]
[ 32.428379] Memory state around the buggy address:
[ 32.428994] ffff88800fd32b00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
[ 32.429897] ffff88800fd32b80: 00 fc fc fc fc fc fc fc fc fa fb fb fb fb fb fb
[ 32.430842] >ffff88800fd32c00: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fc fc
[ 32.431761] ^
[ 32.432325] ffff88800fd32c80: fc fc fc fc fc fc fa fb fb fb fb fb fb fb fb fb
[ 32.433237] ffff88800fd32d00: fb fb fb fb fb fb fb fb fb fb fb fc fc fc fc fc
[ 32.434143] ==================================================================
[ 32.435460] Disabling lock debugging due to kernel taint
[ 34.243412] BUG: Bad rss-counter state mm:000000004424cb75 type:MM_FILEPAGES val:33
[ 34.244409] BUG: Bad rss-counter state mm:000000004424cb75 type:MM_ANONPAGES val:22
[ 34.797720] BUG: Bad rss-counter state mm:00000000062ecccd type:MM_FILEPAGES val:33
[ 34.799190] BUG: Bad rss-counter state mm:00000000062ecccd type:MM_ANONPAGES val:22
Warning: Permanently added '[localhost]:55458' (ECDSA) to the list of known hosts.
2023/06/19 23:16:56 fuzzer started
2023/06/19 23:16:56 dialing manager at localhost:44161
2023/06/19 23:16:56 checking machine...
2023/06/19 23:16:56 checking revisions...
[ 35.452878] kmemleak: Automatic memory scanning thread ended
2023/06/19 23:16:56 testing simple program...
[ 35.511062] cgroup: Unknown subsys name 'net'
[ 35.560078] cgroup: Unknown subsys name 'rlimit'
executing program
[ 40.833286] general protection fault, probably for non-canonical address 0xe0867c012000001c: 0000 [#1] PREEMPT SMP KASAN NOPTI
[ 40.834720] KASAN: maybe wild-memory-access in range [0x04340009000000e0-0x04340009000000e7]
[ 40.835720] CPU: 1 PID: 264 Comm: cron Tainted: G B 6.4.0-rc7-next-20230619 #1
[ 40.836753] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
[ 40.837719] RIP: 0010:vma_interval_tree_insert+0x114/0x400
[ 40.838420] 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 9c 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
[ 40.840595] RSP: 0018:ffff8880159378a8 EFLAGS: 00010212
[ 40.841245] RAX: 008680012000001c RBX: 04340009000000cb RCX: 0000000000000000
[ 40.842112] RDX: ffff88800d82b680 RSI: ffffffff816e6af9 RDI: 04340009000000e3
[ 40.842983] RBP: dffffc0000000000 R08: 0000000000000006 R09: 0000000000000002
[ 40.843850] R10: 0000000000000000 R11: 00000000000b6996 R12: 0000000000000004
[ 40.844694] R13: 0000000000000002 R14: ffff88800e2f5488 R15: ffff88800fd323a8
[ 40.845544] FS: 00007feaaeaf9840(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000
[ 40.846531] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 40.847247] CR2: 0000562f451352e8 CR3: 000000000e9ac000 CR4: 0000000000350ee0
[ 40.848114] Call Trace:
[ 40.848443]
[ 40.848730] ? die_addr+0x3c/0xa0
[ 40.849183] ? exc_general_protection+0x125/0x220
[ 40.849808] ? asm_exc_general_protection+0x26/0x30
[ 40.850457] ? vma_interval_tree_insert+0x109/0x400
[ 40.851075] ? vma_interval_tree_insert+0x114/0x400
[ 40.851701] ? vma_interval_tree_insert+0x109/0x400
[ 40.852311] vma_prepare+0xa1a/0x11a0
[ 40.852790] __split_vma+0x5af/0x950
[ 40.853279] ? __pfx___split_vma+0x10/0x10
[ 40.853815] ? lock_acquire+0x434/0x4c0
[ 40.854313] do_vmi_align_munmap+0x361/0x11f0
[ 40.854899] ? __pfx_do_vmi_align_munmap+0x10/0x10
[ 40.855513] ? mtree_range_walk+0x632/0x900
[ 40.856072] ? mas_walk+0x5c7/0x7c0
[ 40.856543] do_vmi_munmap+0x1f1/0x2b0
[ 40.857028] mmap_region+0x1f9/0x2660
[ 40.857515] ? __pfx_arch_get_unmapped_area_topdown+0x10/0x10
[ 40.858227] ? __pfx_lock_acquire+0x10/0x10
[ 40.858761] ? __pfx_mmap_region+0x10/0x10
[ 40.859297] ? security_mmap_addr+0x7d/0xa0
[ 40.859824] ? get_unmapped_area+0x1f5/0x3f0
[ 40.860390] do_mmap+0x854/0xf00
[ 40.860834] vm_mmap_pgoff+0x1a6/0x3a0
[ 40.861330] ? __pfx_vm_mmap_pgoff+0x10/0x10
[ 40.861895] ksys_mmap_pgoff+0x3af/0x500
[ 40.862411] do_syscall_64+0x3f/0x90
[ 40.862905] entry_SYSCALL_64_after_hwframe+0x6e/0xd8
[ 40.863549] RIP: 0033:0x7feaaee1bd82
[ 40.864017] 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
[ 40.866166] RSP: 002b:00007ffd3e29bb28 EFLAGS: 00000206 ORIG_RAX: 0000000000000009
[ 40.867103] RAX: ffffffffffffffda RBX: 0000000000000812 RCX: 00007feaaee1bd82
[ 40.867952] RDX: 0000000000000005 RSI: 0000000000001000 RDI: 00007feaae6d5000
[ 40.868808] RBP: 00007feaae6d5000 R08: 0000000000000009 R09: 0000000000001000
[ 40.869651] R10: 0000000000000812 R11: 0000000000000206 R12: 0000562f45134e00
[ 40.870512] R13: 00007ffd3e29bb40 R14: 00007ffd3e29bb70 R15: 00007ffd3e29bed0
[ 40.871376]
[ 40.871671] Modules linked in:
[ 40.872257] ---[ end trace 0000000000000000 ]---
[ 40.872831] RIP: 0010:vma_interval_tree_insert+0x114/0x400
[ 40.873708] 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 9c 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
[ 40.876079] RSP: 0018:ffff8880159378a8 EFLAGS: 00010212
[ 40.876905] RAX: 008680012000001c RBX: 04340009000000cb RCX: 0000000000000000
[ 40.877899] RDX: ffff88800d82b680 RSI: ffffffff816e6af9 RDI: 04340009000000e3
[ 40.878862] RBP: dffffc0000000000 R08: 0000000000000006 R09: 0000000000000002
[ 40.879797] R10: 0000000000000000 R11: 00000000000b6996 R12: 0000000000000004
[ 40.880781] R13: 0000000000000002 R14: ffff88800e2f5488 R15: ffff88800fd323a8
[ 40.881662] FS: 00007feaaeaf9840(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000
[ 40.882660] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 40.883389] CR2: 0000562f451352e8 CR3: 000000000e9ac000 CR4: 0000000000350ee0
executing program
executing program
VM DIAGNOSIS:
23:16:55 Registers:
info registers vcpu 0
RAX=ffff88806ce35000 RBX=0000000000000000 RCX=ffffffff8450c50e RDX=ffffed100d9c6a01
RSI=0000000000000004 RDI=ffffffff812889a5 RBP=dffffc0000000000 RSP=ffffffff85407e10
R8 =0000000000000000 R9 =ffffed100d9c6a00 R10=ffff88806ce35003 R11=ffff888008c58000
R12=ffffffff85d3bed0 R13=1ffffffff0a80fc7 R14=0000000000000000 R15=0000000000000000
RIP=ffffffff8450d49f 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 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=00007f7444d94000 CR3=000000000fd4e000 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=2035353a36313a3332203931206e754a XMM01=657463656e6e6f63736944203a5d3932
XMM02=302e303120746f6f722072657375206d XMM03=203a5d3932325b646873732072656c6c
XMM04=69662068637573206f4e203a656c6163 XMM05=3a656c696620766e65206e65706f206f
XMM06=65733a6468737328766e655f6d617020 XMM07=6b7a79732035353a36313a3332203931
XMM08=3d656e696c646d632022656369767265 XMM09=00000000000000000000000000000000
XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000
XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000
XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000
info registers vcpu 1
RAX=1ffff110028c5f4e RBX=000000000000000e RCX=0000000000000000 RDX=0000000000000000
RSI=000000000000000f RDI=ffff88801462fa70 RBP=dffffc0000000000 RSP=ffff88801462f970
R8 =0000000000000000 R9 =fffffbfff0ba77da R10=ffffffff85d3bed7 R11=00000000000b6996
R12=000000000000000f R13=0000000000000000 R14=ffff88801462fa00 R15=ffff8880191c9898
RIP=ffffffff813ad5ca 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 00007fa68ef82900 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=00007fa68f539618 CR3=000000000f602000 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=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