syzkaller login: [ 30.301050] BUG: Bad rss-counter state mm:0000000095c9bbdf type:MM_FILEPAGES val:33
[ 30.302615] BUG: Bad rss-counter state mm:0000000095c9bbdf type:MM_ANONPAGES val:22
[ 30.450167] ==================================================================
[ 30.451172] BUG: KASAN: slab-use-after-free in vma_interval_tree_remove+0xc75/0xec0
[ 30.452210] Read of size 8 at addr ffff888019ffadf0 by task sshd/220
[ 30.453161]
[ 30.453403] CPU: 0 PID: 220 Comm: sshd Not tainted 6.4.0-rc7-next-20230620 #1
[ 30.454402] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
[ 30.455513] Call Trace:
[ 30.455870]
[ 30.456182] dump_stack_lvl+0x91/0xf0
[ 30.456725] print_report+0xcc/0x620
[ 30.457257] ? __virt_addr_valid+0x102/0x340
[ 30.457872] ? vma_interval_tree_remove+0xc75/0xec0
[ 30.458570] ? vma_interval_tree_remove+0xc75/0xec0
[ 30.459254] kasan_report+0xbe/0xf0
[ 30.459777] ? vma_interval_tree_remove+0xc75/0xec0
[ 30.460481] vma_interval_tree_remove+0xc75/0xec0
[ 30.461151] vma_prepare+0xc54/0x11a0
[ 30.461683] __split_vma+0x5af/0x950
[ 30.462219] ? __pfx___split_vma+0x10/0x10
[ 30.462803] ? find_held_lock+0x2c/0x110
[ 30.463382] do_vmi_align_munmap+0x2ba/0x11f0
[ 30.464009] ? lock_is_held_type+0x9f/0x120
[ 30.464612] ? __pfx_do_vmi_align_munmap+0x10/0x10
[ 30.465287] ? mtree_range_walk+0x632/0x900
[ 30.465901] ? mas_walk+0x5c7/0x7c0
[ 30.466453] do_vmi_munmap+0x1f1/0x2b0
[ 30.467005] mmap_region+0x1f9/0x2660
[ 30.467556] ? vm_mmap_pgoff+0x15c/0x3a0
[ 30.468121] ? __pfx_arch_get_unmapped_area_topdown+0x10/0x10
[ 30.468918] ? __pfx_lock_acquire+0x10/0x10
[ 30.469519] ? __pfx_mmap_region+0x10/0x10
[ 30.470115] ? security_mmap_addr+0x7d/0xa0
[ 30.470707] ? get_unmapped_area+0x1f5/0x3f0
[ 30.471321] do_mmap+0x854/0xf00
[ 30.471807] vm_mmap_pgoff+0x1a6/0x3a0
[ 30.472355] ? __pfx_vm_mmap_pgoff+0x10/0x10
[ 30.472984] ksys_mmap_pgoff+0x3af/0x500
[ 30.473552] do_syscall_64+0x3f/0x90
[ 30.474097] entry_SYSCALL_64_after_hwframe+0x6e/0xd8
[ 30.474845] RIP: 0033:0x7f7f8beb5d82
[ 30.475358] 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
[ 30.477751] RSP: 002b:00007ffce75a2548 EFLAGS: 00000206 ORIG_RAX: 0000000000000009
[ 30.478775] RAX: ffffffffffffffda RBX: 0000000000000812 RCX: 00007f7f8beb5d82
[ 30.479732] RDX: 0000000000000005 RSI: 0000000000001000 RDI: 00007f7f8b2ef000
[ 30.480684] RBP: 00007f7f8b2ef000 R08: 0000000000000009 R09: 0000000000001000
[ 30.481635] R10: 0000000000000812 R11: 0000000000000206 R12: 0000561542b5ff70
[ 30.482604] R13: 00007ffce75a2560 R14: 00007ffce75a2590 R15: 00007ffce75a28f0
[ 30.483561]
[ 30.483890]
[ 30.484131] Allocated by task 213:
[ 30.484610] kasan_save_stack+0x22/0x50
[ 30.485176] kasan_set_track+0x25/0x30
[ 30.485722] __kasan_slab_alloc+0x59/0x70
[ 30.486324] kmem_cache_alloc+0x16b/0x370
[ 30.486898] vm_area_dup+0x20/0x160
[ 30.487406] __split_vma+0x170/0x950
[ 30.487924] split_vma+0xc6/0x110
[ 30.488415] mprotect_fixup+0x8d2/0xb30
[ 30.488973] do_mprotect_pkey+0x87e/0xd40
[ 30.489559] __x64_sys_mprotect+0x78/0xc0
[ 30.490141] do_syscall_64+0x3f/0x90
[ 30.490673] entry_SYSCALL_64_after_hwframe+0x6e/0xd8
[ 30.491391]
[ 30.491632] Freed by task 19:
[ 30.492052] kasan_save_stack+0x22/0x50
[ 30.492613] kasan_set_track+0x25/0x30
[ 30.493162] kasan_save_free_info+0x2b/0x50
[ 30.493754] __kasan_slab_free+0x10a/0x190
[ 30.494365] kmem_cache_free+0x10d/0x4d0
[ 30.494933] rcu_core+0x8c8/0x2860
[ 30.495430] __do_softirq+0x1b7/0x7d4
[ 30.495963]
[ 30.496201] Last potentially related work creation:
[ 30.496852] kasan_save_stack+0x22/0x50
[ 30.497409] __kasan_record_aux_stack+0x8e/0xa0
[ 30.498046] __call_rcu_common.constprop.0+0x6a/0xb90
[ 30.498777] remove_vma+0x139/0x170
[ 30.499280] do_vmi_align_munmap+0xd4a/0x11f0
[ 30.499906] do_vmi_munmap+0x1f1/0x2b0
[ 30.500442] __vm_munmap+0x138/0x3a0
[ 30.500970] __x64_sys_munmap+0x59/0x80
[ 30.501521] do_syscall_64+0x3f/0x90
[ 30.502054] entry_SYSCALL_64_after_hwframe+0x6e/0xd8
[ 30.502799]
[ 30.503038] The buggy address belongs to the object at ffff888019ffad98
[ 30.503038] which belongs to the cache vm_area_struct of size 168
[ 30.504690] The buggy address is located 88 bytes inside of
[ 30.504690] freed 168-byte region [ffff888019ffad98, ffff888019ffae40)
[ 30.506281]
[ 30.506519] The buggy address belongs to the physical page:
[ 30.507256] page:000000004e713f71 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x19ffa
[ 30.508485] memcg:ffff88800ef93a01
[ 30.508957] flags: 0x100000000000200(slab|node=0|zone=1)
[ 30.509673] page_type: 0xffffffff()
[ 30.510180] raw: 0100000000000200 ffff8880087a0c80 dead000000000122 0000000000000000
[ 30.511208] raw: 0000000000000000 0000000000110011 00000001ffffffff ffff88800ef93a01
[ 30.512209] page dumped because: kasan: bad access detected
[ 30.512940]
[ 30.513182] Memory state around the buggy address:
[ 30.513829] ffff888019ffac80: fc fc fc fc fc fc 00 00 00 00 00 00 00 00 00 00
[ 30.514809] ffff888019ffad00: 00 00 00 00 00 00 00 00 00 00 00 fc fc fc fc fc
[ 30.515782] >ffff888019ffad80: fc fc fc fa fb fb fb fb fb fb fb fb fb fb fb fb
[ 30.516736] ^
[ 30.517630] ffff888019ffae00: fb fb fb fb fb fb fb fb fc fc fc fc fc fc fc fc
[ 30.518603] ffff888019ffae80: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[ 30.519559] ==================================================================
[ 30.520774] Disabling lock debugging due to kernel taint
[ 32.475390] BUG: Bad rss-counter state mm:0000000032d88a11 type:MM_FILEPAGES val:33
[ 32.476720] BUG: Bad rss-counter state mm:0000000032d88a11 type:MM_ANONPAGES val:22
[ 32.984446] BUG: Bad rss-counter state mm:0000000004923848 type:MM_FILEPAGES val:33
[ 32.985625] BUG: Bad rss-counter state mm:0000000004923848 type:MM_ANONPAGES val:22
Warning: Permanently added '[localhost]:50376' (ECDSA) to the list of known hosts.
2023/06/21 02:16:54 fuzzer started
2023/06/21 02:16:55 dialing manager at localhost:36067
2023/06/21 02:16:55 checking machine...
2023/06/21 02:16:55 checking revisions...
[ 33.664896] kmemleak: Automatic memory scanning thread ended
2023/06/21 02:16:55 testing simple program...
[ 33.705660] cgroup: Unknown subsys name 'net'
[ 33.764289] cgroup: Unknown subsys name 'rlimit'
executing program
executing program
[ 39.635838] general protection fault, probably for non-canonical address 0xe0a57c23e000001e: 0000 [#1] PREEMPT SMP KASAN NOPTI
[ 39.637377] KASAN: maybe wild-memory-access in range [0x052c011f000000f0-0x052c011f000000f7]
[ 39.638500] CPU: 1 PID: 265 Comm: cron Tainted: G B 6.4.0-rc7-next-20230620 #1
[ 39.639654] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
[ 39.640755] RIP: 0010:vma_interval_tree_insert+0x114/0x400
[ 39.641525] 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
[ 39.643963] RSP: 0018:ffff88800d9a78a8 EFLAGS: 00010216
[ 39.644682] RAX: 00a58023e000001e RBX: 052c011f000000d9 RCX: 0000000000000000
[ 39.645622] RDX: ffff88800f653680 RSI: ffffffff816e6c79 RDI: 052c011f000000f1
[ 39.646582] RBP: dffffc0000000000 R08: 0000000000000006 R09: 0000000000000003
[ 39.647526] R10: 0000000000000000 R11: 00000000000b6a61 R12: 0000000000000005
[ 39.648474] R13: 0000000000000003 R14: ffff88800c4e0570 R15: ffff88801a0ca3a8
[ 39.649427] FS: 00007f6d3df89840(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000
[ 39.650505] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 39.651291] CR2: 00007f6d3db5b000 CR3: 0000000018c2e000 CR4: 0000000000350ee0
[ 39.652239] Call Trace:
[ 39.652594]
[ 39.652908] ? die_addr+0x3c/0xa0
[ 39.653395] ? exc_general_protection+0x125/0x220
[ 39.654089] ? asm_exc_general_protection+0x26/0x30
[ 39.654801] ? vma_interval_tree_insert+0x109/0x400
[ 39.655489] ? vma_interval_tree_insert+0x114/0x400
[ 39.656177] ? vma_interval_tree_insert+0x109/0x400
[ 39.656868] vma_prepare+0xa1a/0x11a0
[ 39.657401] __split_vma+0x5af/0x950
[ 39.657924] ? __pfx___split_vma+0x10/0x10
[ 39.658529] ? lock_acquire+0x434/0x4c0
[ 39.659093] do_vmi_align_munmap+0x361/0x11f0
[ 39.659720] ? __pfx_do_vmi_align_munmap+0x10/0x10
[ 39.660407] ? mtree_range_walk+0x632/0x900
[ 39.661023] ? mas_walk+0x5c7/0x7c0
[ 39.661555] do_vmi_munmap+0x1f1/0x2b0
[ 39.662107] mmap_region+0x1f9/0x2660
[ 39.662637] ? __pfx_arch_get_unmapped_area_topdown+0x10/0x10
[ 39.663398] ? __pfx_lock_acquire+0x10/0x10
[ 39.663964] ? __pfx_mmap_region+0x10/0x10
[ 39.664525] ? security_mmap_addr+0x7d/0xa0
[ 39.665093] ? get_unmapped_area+0x1f5/0x3f0
[ 39.665682] do_mmap+0x854/0xf00
[ 39.666144] vm_mmap_pgoff+0x1a6/0x3a0
[ 39.666690] ? __pfx_vm_mmap_pgoff+0x10/0x10
[ 39.667294] ksys_mmap_pgoff+0x3af/0x500
[ 39.667832] do_syscall_64+0x3f/0x90
[ 39.668340] entry_SYSCALL_64_after_hwframe+0x6e/0xd8
[ 39.669035] RIP: 0033:0x7f6d3e2abd82
[ 39.669514] 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
[ 39.671805] RSP: 002b:00007ffcba8f2418 EFLAGS: 00000206 ORIG_RAX: 0000000000000009
[ 39.672770] RAX: ffffffffffffffda RBX: 0000000000000812 RCX: 00007f6d3e2abd82
[ 39.673678] RDX: 0000000000000005 RSI: 0000000000002000 RDI: 00007f6d3db55000
[ 39.674587] RBP: 00007f6d3db55000 R08: 0000000000000008 R09: 0000000000001000
[ 39.675508] R10: 0000000000000812 R11: 0000000000000206 R12: 0000557d6b871550
[ 39.676418] R13: 00007ffcba8f2430 R14: 00007ffcba8f2460 R15: 00007ffcba8f27c0
[ 39.677335]
[ 39.677645] Modules linked in:
[ 39.678373] ---[ end trace 0000000000000000 ]---
[ 39.678995] RIP: 0010:vma_interval_tree_insert+0x114/0x400
[ 39.679898] 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
[ 39.682299] RSP: 0018:ffff88800d9a78a8 EFLAGS: 00010216
[ 39.683093] RAX: 00a58023e000001e RBX: 052c011f000000d9 RCX: 0000000000000000
[ 39.684101] RDX: ffff88800f653680 RSI: ffffffff816e6c79 RDI: 052c011f000000f1
[ 39.685142] RBP: dffffc0000000000 R08: 0000000000000006 R09: 0000000000000003
[ 39.686173] R10: 0000000000000000 R11: 00000000000b6a61 R12: 0000000000000005
[ 39.687216] R13: 0000000000000003 R14: ffff88800c4e0570 R15: ffff88801a0ca3a8
[ 39.688299] FS: 00007f6d3df89840(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000
[ 39.689607] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 39.690542] CR2: 00007f6d3db5b000 CR3: 0000000018c2e000 CR4: 0000000000350ee0
executing program
VM DIAGNOSIS:
02:16:54 Registers:
info registers vcpu 0
RAX=dffffc0000000000 RBX=ffff888016e67ad8 RCX=0000000000000001 RDX=1ffff11002dccf47
RSI=ffff888016e67ac8 RDI=ffff888016e67a38 RBP=0000000000000138 RSP=ffff888016e67970
R8 =0000000000000001 R9 =ffff888016e67a70 R10=0000000000038001 R11=0000000000003c0d
R12=ffff888016e67a90 R13=ffff888016e67a78 R14=ffff888016e67ac8 R15=ffff888016e67a30
RIP=ffffffff81131c83 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 00007fae185da900 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=00007fae18b920b0 CR3=000000000da0e000 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=25252525252525252525252525252525 XMM01=000000000000000000000000000000ff
XMM02=000000000000000000000000000000ff XMM03=5320444f4854454d5f54505952434e45
XMM04=40404040404040404040404040404040 XMM05=5a5a5a5a5a5a5a5a5a5a5a5a5a5a5a5a
XMM06=20202020202020202020202020202020 XMM07=00000000000000000000000000000000
XMM08=662079726f6d656d20666f2074756f00 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=00007fa5d2df9f00 CR3=00000000141b8000 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=c69ddacee43f6c9b1f4540f65efcef3c
XMM02=2c67c8bc2e329bc30000000000119ca8 XMM03=fb795ef6d65770560000000000121148
XMM04=57822440791a0f0a00000000000ae988 XMM05=19e9129bd510f2350000000000131030
XMM06=4fda316b135da52b0000000000130eb8 XMM07=e042d86d42eb936e00000000001213c8
XMM08=02e4d1494250833c0000000000119d08 XMM09=00000000000000000000000000000000
XMM10=20200000000020202020202020200000 XMM11=00000000000000000000000000000000
XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000
XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000