syzkaller login: [ 44.243688] BUG: Bad rss-counter state mm:0000000025b92200 type:MM_FILEPAGES val:33
[ 44.244236] BUG: Bad rss-counter state mm:0000000025b92200 type:MM_ANONPAGES val:22
[ 44.416286] ==================================================================
[ 44.417328] BUG: KASAN: slab-use-after-free in vma_interval_tree_remove+0xc75/0xec0
[ 44.418416] Read of size 8 at addr ffff88800e43c968 by task sshd/220
[ 44.419623]
[ 44.419872] CPU: 1 PID: 220 Comm: sshd Not tainted 6.4.0-rc7-next-20230619 #1
[ 44.420882] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
[ 44.421975] Call Trace:
[ 44.422336]
[ 44.422669] dump_stack_lvl+0x91/0xf0
[ 44.423260] print_report+0xcc/0x620
[ 44.423822] ? __virt_addr_valid+0x102/0x340
[ 44.424484] ? vma_interval_tree_remove+0xc75/0xec0
[ 44.425182] ? vma_interval_tree_remove+0xc75/0xec0
[ 44.425907] kasan_report+0xbe/0xf0
[ 44.426469] ? vma_interval_tree_remove+0xc75/0xec0
[ 44.427203] vma_interval_tree_remove+0xc75/0xec0
[ 44.427902] vma_prepare+0xc54/0x11a0
[ 44.428484] __split_vma+0x5af/0x950
[ 44.429027] ? __pfx___split_vma+0x10/0x10
[ 44.429653] ? find_held_lock+0x2c/0x110
[ 44.430260] do_vmi_align_munmap+0x2ba/0x11f0
[ 44.430961] ? lock_is_held_type+0x9f/0x120
[ 44.431527] ? __pfx_do_vmi_align_munmap+0x10/0x10
[ 44.432138] ? mtree_range_walk+0x632/0x900
[ 44.432730] ? mas_walk+0x5c7/0x7c0
[ 44.433207] do_vmi_munmap+0x1f1/0x2b0
[ 44.433706] mmap_region+0x1f9/0x2660
[ 44.434183] ? vm_mmap_pgoff+0x15c/0x3a0
[ 44.434708] ? __pfx_arch_get_unmapped_area_topdown+0x10/0x10
[ 44.435461] ? __pfx_lock_acquire+0x10/0x10
[ 44.435992] ? __pfx_mmap_region+0x10/0x10
[ 44.436544] ? security_mmap_addr+0x7d/0xa0
[ 44.437075] ? get_unmapped_area+0x1f5/0x3f0
[ 44.437646] do_mmap+0x854/0xf00
[ 44.438084] vm_mmap_pgoff+0x1a6/0x3a0
[ 44.438592] ? __pfx_vm_mmap_pgoff+0x10/0x10
[ 44.439167] ksys_mmap_pgoff+0x3af/0x500
[ 44.439686] do_syscall_64+0x3f/0x90
[ 44.440164] entry_SYSCALL_64_after_hwframe+0x6e/0xd8
[ 44.440838] RIP: 0033:0x7f883773dd82
[ 44.441296] 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
[ 44.443485] RSP: 002b:00007fffc6ae9a18 EFLAGS: 00000206 ORIG_RAX: 0000000000000009
[ 44.444429] RAX: ffffffffffffffda RBX: 0000000000000812 RCX: 00007f883773dd82
[ 44.445280] RDX: 0000000000000005 RSI: 0000000000001000 RDI: 00007f8836b77000
[ 44.446140] RBP: 00007f8836b77000 R08: 0000000000000009 R09: 0000000000001000
[ 44.447031] R10: 0000000000000812 R11: 0000000000000206 R12: 000055af09c4cec0
[ 44.447899] R13: 00007fffc6ae9a30 R14: 00007fffc6ae9a60 R15: 00007fffc6ae9dc0
[ 44.448791]
[ 44.449090]
[ 44.449310] Allocated by task 213:
[ 44.449766] kasan_save_stack+0x22/0x50
[ 44.450281] kasan_set_track+0x25/0x30
[ 44.450787] __kasan_slab_alloc+0x59/0x70
[ 44.451337] kmem_cache_alloc+0x16b/0x370
[ 44.451879] vm_area_dup+0x20/0x160
[ 44.452349] __split_vma+0x170/0x950
[ 44.452854] split_vma+0xc6/0x110
[ 44.453303] mprotect_fixup+0x8d2/0xb30
[ 44.453833] do_mprotect_pkey+0x87e/0xd40
[ 44.454386] __x64_sys_mprotect+0x78/0xc0
[ 44.454945] do_syscall_64+0x3f/0x90
[ 44.455443] entry_SYSCALL_64_after_hwframe+0x6e/0xd8
[ 44.456106]
[ 44.456325] Freed by task 213:
[ 44.456753] kasan_save_stack+0x22/0x50
[ 44.457267] kasan_set_track+0x25/0x30
[ 44.457792] kasan_save_free_info+0x2b/0x50
[ 44.458350] __kasan_slab_free+0x10a/0x190
[ 44.458926] kmem_cache_free+0x10d/0x4d0
[ 44.459491] rcu_core+0x8c8/0x2860
[ 44.460111] __do_softirq+0x1b7/0x7d4
[ 44.460634]
[ 44.460861] Last potentially related work creation:
[ 44.461481] kasan_save_stack+0x22/0x50
[ 44.462001] __kasan_record_aux_stack+0x8e/0xa0
[ 44.462607] __call_rcu_common.constprop.0+0x6a/0xb90
[ 44.463293] remove_vma+0x139/0x170
[ 44.463768] do_vmi_align_munmap+0xd4a/0x11f0
[ 44.464351] do_vmi_munmap+0x1f1/0x2b0
[ 44.464874] __vm_munmap+0x138/0x3a0
[ 44.465369] __x64_sys_munmap+0x59/0x80
[ 44.465889] do_syscall_64+0x3f/0x90
[ 44.466407] entry_SYSCALL_64_after_hwframe+0x6e/0xd8
[ 44.467089]
[ 44.467318] The buggy address belongs to the object at ffff88800e43c910
[ 44.467318] which belongs to the cache vm_area_struct of size 168
[ 44.468855] The buggy address is located 88 bytes inside of
[ 44.468855] freed 168-byte region [ffff88800e43c910, ffff88800e43c9b8)
[ 44.470321]
[ 44.470561] The buggy address belongs to the physical page:
[ 44.471266] page:00000000a14525ed refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0xe43c
[ 44.472444] memcg:ffff88800eae1101
[ 44.472893] flags: 0x100000000000200(slab|node=0|zone=1)
[ 44.473588] page_type: 0xffffffff()
[ 44.474059] raw: 0100000000000200 ffff88800879fc80 dead000000000122 0000000000000000
[ 44.475063] raw: 0000000000000000 0000000000110011 00000001ffffffff ffff88800eae1101
[ 44.476032] page dumped because: kasan: bad access detected
[ 44.476752]
[ 44.476979] Memory state around the buggy address:
[ 44.477603] ffff88800e43c800: fc fc fc fc fc 00 00 00 00 00 00 00 00 00 00 00
[ 44.478516] ffff88800e43c880: 00 00 00 00 00 00 00 00 00 00 fc fc fc fc fc fc
[ 44.479436] >ffff88800e43c900: fc fc fa fb fb fb fb fb fb fb fb fb fb fb fb fb
[ 44.480351] ^
[ 44.481208] ffff88800e43c980: fb fb fb fb fb fb fb fc fc fc fc fc fc fc fc fa
[ 44.482128] ffff88800e43ca00: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[ 44.483073] ==================================================================
[ 44.484076] Disabling lock debugging due to kernel taint
[ 46.671518] BUG: Bad rss-counter state mm:00000000b04907dc type:MM_FILEPAGES val:33
[ 46.672724] BUG: Bad rss-counter state mm:00000000b04907dc type:MM_ANONPAGES val:22
[ 47.106961] BUG: Bad rss-counter state mm:000000002f575a2a type:MM_FILEPAGES val:33
[ 47.107993] BUG: Bad rss-counter state mm:000000002f575a2a type:MM_ANONPAGES val:22
Warning: Permanently added '[localhost]:26196' (ECDSA) to the list of known hosts.
2023/06/19 17:16:58 fuzzer started
2023/06/19 17:16:58 dialing manager at localhost:44161
2023/06/19 17:16:58 checking machine...
2023/06/19 17:16:58 checking revisions...
[ 47.837277] kmemleak: Automatic memory scanning thread ended
2023/06/19 17:16:59 testing simple program...
[ 47.887568] cgroup: Unknown subsys name 'net'
[ 47.935060] cgroup: Unknown subsys name 'rlimit'
[ 49.876229] general protection fault, probably for non-canonical address 0xe0fcfc010000001d: 0000 [#1] PREEMPT SMP KASAN NOPTI
[ 49.876960] KASAN: maybe wild-memory-access in range [0x07e80008000000e8-0x07e80008000000ef]
[ 49.877520] CPU: 0 PID: 265 Comm: cron Tainted: G B 6.4.0-rc7-next-20230619 #1
[ 49.878097] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
[ 49.878666] RIP: 0010:vma_interval_tree_insert+0x114/0x400
[ 49.879066] 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
[ 49.880270] RSP: 0018:ffff888018cd78a8 EFLAGS: 00010217
[ 49.880634] RAX: 00fd00010000001d RBX: 07e80008000000d5 RCX: 0000000000000000
[ 49.881113] RDX: ffff88800da8d1c0 RSI: ffffffff816e6af9 RDI: 07e80008000000ed
[ 49.881596] RBP: dffffc0000000000 R08: 0000000000000006 R09: 0000000000000002
[ 49.882075] R10: 0000000000000000 R11: 00000000000b6996 R12: 0000000000000004
[ 49.882560] R13: 0000000000000002 R14: ffff8880098ff658 R15: ffff88800e43c0f0
[ 49.883045] FS: 00007fd1a6752840(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000
[ 49.883601] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 49.883993] CR2: 000055fbd21912e8 CR3: 0000000017ca6000 CR4: 0000000000350ef0
[ 49.884472] Call Trace:
[ 49.884650]
[ 49.884797] ? die_addr+0x3c/0xa0
[ 49.885029] ? exc_general_protection+0x125/0x220
[ 49.885351] ? asm_exc_general_protection+0x26/0x30
[ 49.885678] ? vma_interval_tree_insert+0x109/0x400
[ 49.885993] ? vma_interval_tree_insert+0x114/0x400
[ 49.886309] ? vma_interval_tree_insert+0x109/0x400
[ 49.886626] vma_prepare+0xa1a/0x11a0
[ 49.886887] __split_vma+0x5af/0x950
[ 49.887131] ? __pfx___split_vma+0x10/0x10
[ 49.887404] ? lock_acquire+0x434/0x4c0
[ 49.887664] do_vmi_align_munmap+0x361/0x11f0
[ 49.887955] ? __pfx_do_vmi_align_munmap+0x10/0x10
[ 49.888267] ? mtree_range_walk+0x632/0x900
[ 49.888552] ? mas_walk+0x5c7/0x7c0
[ 49.888797] do_vmi_munmap+0x1f1/0x2b0
[ 49.889051] mmap_region+0x1f9/0x2660
[ 49.889300] ? __pfx_arch_get_unmapped_area_topdown+0x10/0x10
[ 49.889667] ? __pfx_lock_acquire+0x10/0x10
[ 49.889940] ? __pfx_mmap_region+0x10/0x10
[ 49.890211] ? security_mmap_addr+0x7d/0xa0
[ 49.890484] ? get_unmapped_area+0x1f5/0x3f0
[ 49.890766] do_mmap+0x854/0xf00
[ 49.890997] vm_mmap_pgoff+0x1a6/0x3a0
[ 49.891254] ? __pfx_vm_mmap_pgoff+0x10/0x10
[ 49.891544] ksys_mmap_pgoff+0x3af/0x500
[ 49.891804] do_syscall_64+0x3f/0x90
[ 49.892049] entry_SYSCALL_64_after_hwframe+0x6e/0xd8
[ 49.892380] RIP: 0033:0x7fd1a6a74d82
[ 49.892614] 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
[ 49.893689] RSP: 002b:00007fff53d1a998 EFLAGS: 00000206 ORIG_RAX: 0000000000000009
[ 49.894147] RAX: ffffffffffffffda RBX: 0000000000000812 RCX: 00007fd1a6a74d82
[ 49.894578] RDX: 0000000000000005 RSI: 0000000000001000 RDI: 00007fd1a632e000
[ 49.895017] RBP: 00007fd1a632e000 R08: 0000000000000009 R09: 0000000000001000
[ 49.895451] R10: 0000000000000812 R11: 0000000000000206 R12: 000055fbd2190e00
[ 49.895877] R13: 00007fff53d1a9b0 R14: 00007fff53d1a9e0 R15: 00007fff53d1ad40
[ 49.896308]
[ 49.896460] Modules linked in:
[ 49.896746] ---[ end trace 0000000000000000 ]---
[ 49.897038] RIP: 0010:vma_interval_tree_insert+0x114/0x400
[ 49.897510] 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
[ 49.898644] RSP: 0018:ffff888018cd78a8 EFLAGS: 00010217
[ 49.898980] RAX: 00fd00010000001d RBX: 07e80008000000d5 RCX: 0000000000000000
[ 49.899429] RDX: ffff88800da8d1c0 RSI: ffffffff816e6af9 RDI: 07e80008000000ed
[ 49.899860] RBP: dffffc0000000000 R08: 0000000000000006 R09: 0000000000000002
[ 49.900288] R10: 0000000000000000 R11: 00000000000b6996 R12: 0000000000000004
[ 49.900735] R13: 0000000000000002 R14: ffff8880098ff658 R15: ffff88800e43c0f0
[ 49.901168] FS: 00007fd1a6752840(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000
[ 49.901670] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 49.902029] CR2: 000055fbd21912e8 CR3: 0000000017ca6000 CR4: 0000000000350ef0
executing program
executing program
executing program
VM DIAGNOSIS:
17:16:44 Registers:
info registers vcpu 0
RAX=0000000000000000 RBX=ffff888008f7f000 RCX=0000000000000000 RDX=ffff8880147951c0
RSI=ffffffff8386d031 RDI=ffff888008f7f4f8 RBP=ffff88800ef7c588 RSP=ffff888017cdf9e0
R8 =0000000000000001 R9 =0000000000000000 R10=0000000000000000 R11=656d616e74736f68
R12=0000000000000000 R13=0000000000000000 R14=dffffc0000000000 R15=ffff888008f7f6b8
RIP=ffffffff8386d060 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 00007f6712743900 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=00007ffda6a42000 CR3=000000000b80c000 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=635f6e6f69737365733a4d41503d706f XMM01=6f6c5f6d61702c78756e696c65735f6d
XMM02=61702c74696d7265705f6d61702c7469 XMM03=655f6d61702c7374696d696c5f6d6170
XMM04=3d6c616e696d72657420322e322e302e XMM05=3d656d616e74736f682022646873732f
XMM06=746f6f72223d746363612078756e696c XMM07=6e655f6d61702c7374696d696c5f6d61
XMM08=652075253d64692073253d706f000000 XMM09=00000000000000000000000000000000
XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000
XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000
XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000
info registers vcpu 1
RAX=ffff88806cf35000 RBX=0000000000000001 RCX=ffffffff8450c50e RDX=ffffed100d9e6a01
RSI=0000000000000004 RDI=ffffffff812889a5 RBP=dffffc0000000000 RSP=ffff888008e27e70
R8 =0000000000000000 R9 =ffffed100d9e6a00 R10=ffff88806cf35003 R11=0000000000000001
R12=ffffffff85d3bed0 R13=1ffff110011c4fd3 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 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=00007f58f41255c0 CR3=000000000f13a000 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=df5252673326e186224b0e98044f48bb
XMM02=2c67c8bc2e329bc3000000000011ff40 XMM03=fb795ef6d65770560000000000124410
XMM04=9cc6a4e7ec32471d00000000000ae988 XMM05=df805c5a45aa10500000000000134450
XMM06=4fda316b135da52b00000000001340d8 XMM07=e042d86d42eb936e0000000000124690
XMM08=dd9186f302b3e0c5000000000011ffa0 XMM09=00000000000000000000000000000000
XMM10=20200000000020202020202020200000 XMM11=00000000000000000000000000000000
XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000
XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000