syzkaller login: [ 32.533840] BUG: Bad rss-counter state mm:0000000066362d03 type:MM_FILEPAGES val:33
[ 32.534843] BUG: Bad rss-counter state mm:0000000066362d03 type:MM_ANONPAGES val:22
[ 32.672298] ==================================================================
[ 32.673273] BUG: KASAN: slab-use-after-free in vma_interval_tree_remove+0xc75/0xec0
[ 32.674252] Read of size 8 at addr ffff888016424b38 by task sshd/220
[ 32.675037]
[ 32.675440] CPU: 1 PID: 220 Comm: sshd Not tainted 6.4.0-rc7-next-20230619 #1
[ 32.676331] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
[ 32.677351] Call Trace:
[ 32.677687]
[ 32.677981] dump_stack_lvl+0x91/0xf0
[ 32.678470] print_report+0xcc/0x620
[ 32.678975] ? __virt_addr_valid+0x102/0x340
[ 32.679546] ? vma_interval_tree_remove+0xc75/0xec0
[ 32.680190] ? vma_interval_tree_remove+0xc75/0xec0
[ 32.680821] kasan_report+0xbe/0xf0
[ 32.681325] ? vma_interval_tree_remove+0xc75/0xec0
[ 32.681965] vma_interval_tree_remove+0xc75/0xec0
[ 32.682568] vma_prepare+0xc54/0x11a0
[ 32.683059] __split_vma+0x5af/0x950
[ 32.683532] ? __pfx___split_vma+0x10/0x10
[ 32.684090] ? find_held_lock+0x2c/0x110
[ 32.684616] do_vmi_align_munmap+0x2ba/0x11f0
[ 32.685231] ? lock_is_held_type+0x9f/0x120
[ 32.685786] ? __pfx_do_vmi_align_munmap+0x10/0x10
[ 32.686400] ? mtree_range_walk+0x632/0x900
[ 32.686978] ? mas_walk+0x5c7/0x7c0
[ 32.687452] do_vmi_munmap+0x1f1/0x2b0
[ 32.687978] mmap_region+0x1f9/0x2660
[ 32.688470] ? vm_mmap_pgoff+0x15c/0x3a0
[ 32.689012] ? __pfx_arch_get_unmapped_area_topdown+0x10/0x10
[ 32.689768] ? __pfx_lock_acquire+0x10/0x10
[ 32.690322] ? __pfx_mmap_region+0x10/0x10
[ 32.690861] ? security_mmap_addr+0x7d/0xa0
[ 32.691399] ? get_unmapped_area+0x1f5/0x3f0
[ 32.691973] do_mmap+0x854/0xf00
[ 32.692414] vm_mmap_pgoff+0x1a6/0x3a0
[ 32.692926] ? __pfx_vm_mmap_pgoff+0x10/0x10
[ 32.693509] ksys_mmap_pgoff+0x3af/0x500
[ 32.694026] do_syscall_64+0x3f/0x90
[ 32.694505] entry_SYSCALL_64_after_hwframe+0x6e/0xd8
[ 32.695168] RIP: 0033:0x7f4d3b3ecd82
[ 32.695628] 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
[ 32.697846] RSP: 002b:00007ffead3c87b8 EFLAGS: 00000206 ORIG_RAX: 0000000000000009
[ 32.698787] RAX: ffffffffffffffda RBX: 0000000000000812 RCX: 00007f4d3b3ecd82
[ 32.699635] RDX: 0000000000000005 RSI: 0000000000001000 RDI: 00007f4d3a826000
[ 32.700660] RBP: 00007f4d3a826000 R08: 0000000000000009 R09: 0000000000001000
[ 32.701807] R10: 0000000000000812 R11: 0000000000000206 R12: 00005572dfc38ec0
[ 32.702919] R13: 00007ffead3c87d0 R14: 00007ffead3c8800 R15: 00007ffead3c8b60
[ 32.704060]
[ 32.704440]
[ 32.704698] Allocated by task 213:
[ 32.705167] kasan_save_stack+0x22/0x50
[ 32.705686] kasan_set_track+0x25/0x30
[ 32.706209] __kasan_slab_alloc+0x59/0x70
[ 32.706748] kmem_cache_alloc+0x16b/0x370
[ 32.707278] vm_area_dup+0x20/0x160
[ 32.707747] __split_vma+0x170/0x950
[ 32.708223] split_vma+0xc6/0x110
[ 32.708663] mprotect_fixup+0x8d2/0xb30
[ 32.709203] do_mprotect_pkey+0x87e/0xd40
[ 32.709733] __x64_sys_mprotect+0x78/0xc0
[ 32.710282] do_syscall_64+0x3f/0x90
[ 32.710774] entry_SYSCALL_64_after_hwframe+0x6e/0xd8
[ 32.711423]
[ 32.711641] Freed by task 213:
[ 32.712049] kasan_save_stack+0x22/0x50
[ 32.712556] kasan_set_track+0x25/0x30
[ 32.713068] kasan_save_free_info+0x2b/0x50
[ 32.713618] __kasan_slab_free+0x10a/0x190
[ 32.714176] kmem_cache_free+0x10d/0x4d0
[ 32.714688] rcu_core+0x8c8/0x2860
[ 32.715158] __do_softirq+0x1b7/0x7d4
[ 32.715637]
[ 32.715873] Last potentially related work creation:
[ 32.716539] kasan_save_stack+0x22/0x50
[ 32.717064] __kasan_record_aux_stack+0x8e/0xa0
[ 32.717679] __call_rcu_common.constprop.0+0x6a/0xb90
[ 32.718342] remove_vma+0x139/0x170
[ 32.718807] do_vmi_align_munmap+0xd4a/0x11f0
[ 32.719371] do_vmi_munmap+0x1f1/0x2b0
[ 32.719870] __vm_munmap+0x138/0x3a0
[ 32.720337] __x64_sys_munmap+0x59/0x80
[ 32.720847] do_syscall_64+0x3f/0x90
[ 32.721335] entry_SYSCALL_64_after_hwframe+0x6e/0xd8
[ 32.722013]
[ 32.722235] The buggy address belongs to the object at ffff888016424ae0
[ 32.722235] which belongs to the cache vm_area_struct of size 168
[ 32.723711] The buggy address is located 88 bytes inside of
[ 32.723711] freed 168-byte region [ffff888016424ae0, ffff888016424b88)
[ 32.725151]
[ 32.725370] The buggy address belongs to the physical page:
[ 32.726053] page:00000000cf4944c8 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x16424
[ 32.727178] memcg:ffff888019fda101
[ 32.727604] flags: 0x100000000000200(slab|node=0|zone=1)
[ 32.728263] page_type: 0xffffffff()
[ 32.728720] raw: 0100000000000200 ffff88800879fc80 dead000000000122 0000000000000000
[ 32.729668] raw: 0000000000000000 0000000000110011 00000001ffffffff ffff888019fda101
[ 32.730595] page dumped because: kasan: bad access detected
[ 32.731264]
[ 32.731481] Memory state around the buggy address:
[ 32.732085] ffff888016424a00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
[ 32.732958] ffff888016424a80: 00 00 00 00 fc fc fc fc fc fc fc fc fa fb fb fb
[ 32.733858] >ffff888016424b00: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[ 32.734709] ^
[ 32.735349] ffff888016424b80: fb fc fc fc fc fc fc fc fc fa fb fb fb fb fb fb
[ 32.736213] ffff888016424c00: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fc fc
[ 32.737070] ==================================================================
[ 32.738031] Disabling lock debugging due to kernel taint
[ 35.638522] BUG: Bad rss-counter state mm:00000000163fd27d type:MM_FILEPAGES val:33
[ 35.639531] BUG: Bad rss-counter state mm:00000000163fd27d type:MM_ANONPAGES val:22
[ 36.083983] BUG: Bad rss-counter state mm:000000003cf4850a type:MM_FILEPAGES val:33
[ 36.085140] BUG: Bad rss-counter state mm:000000003cf4850a type:MM_ANONPAGES val:22
Warning: Permanently added '[localhost]:21151' (ECDSA) to the list of known hosts.
2023/06/20 06:16:58 fuzzer started
2023/06/20 06:16:59 dialing manager at localhost:44161
2023/06/20 06:16:59 checking machine...
2023/06/20 06:16:59 checking revisions...
[ 36.826684] kmemleak: Automatic memory scanning thread ended
2023/06/20 06:16:59 testing simple program...
[ 36.877571] cgroup: Unknown subsys name 'net'
[ 36.926897] cgroup: Unknown subsys name 'rlimit'
[ 39.140683] general protection fault, probably for non-canonical address 0xe0867c012000001d: 0000 [#1] PREEMPT SMP KASAN NOPTI
[ 39.142276] KASAN: maybe wild-memory-access in range [0x04340009000000e8-0x04340009000000ef]
[ 39.143431] CPU: 1 PID: 264 Comm: cron Tainted: G B 6.4.0-rc7-next-20230619 #1
[ 39.144594] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
[ 39.145723] RIP: 0010:vma_interval_tree_insert+0x114/0x400
[ 39.146498] 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
[ 39.148944] RSP: 0018:ffff888017c678a8 EFLAGS: 00010217
[ 39.149706] RAX: 008680012000001d RBX: 04340009000000d5 RCX: 0000000000000000
[ 39.150669] RDX: ffff88801039b680 RSI: ffffffff816e6af9 RDI: 04340009000000ed
[ 39.151639] RBP: dffffc0000000000 R08: 0000000000000006 R09: 0000000000000002
[ 39.152602] R10: 0000000000000000 R11: 00000000000b6996 R12: 0000000000000004
[ 39.153589] R13: 0000000000000002 R14: ffff88800d5e9cb0 R15: ffff8880164242c0
[ 39.154554] FS: 00007fd9ce6bf840(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000
[ 39.155647] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 39.156453] CR2: 0000559ea56762e8 CR3: 0000000009718000 CR4: 0000000000350ee0
[ 39.157463] Call Trace:
[ 39.157832]
[ 39.158158] ? die_addr+0x3c/0xa0
[ 39.158668] ? exc_general_protection+0x125/0x220
[ 39.159381] ? asm_exc_general_protection+0x26/0x30
[ 39.160132] ? vma_interval_tree_insert+0x109/0x400
[ 39.160848] ? vma_interval_tree_insert+0x114/0x400
[ 39.161570] ? vma_interval_tree_insert+0x109/0x400
[ 39.162280] vma_prepare+0xa1a/0x11a0
[ 39.162847] __split_vma+0x5af/0x950
[ 39.163389] ? __pfx___split_vma+0x10/0x10
[ 39.164019] ? lock_acquire+0x434/0x4c0
[ 39.164590] do_vmi_align_munmap+0x361/0x11f0
[ 39.165251] ? __pfx_do_vmi_align_munmap+0x10/0x10
[ 39.165949] ? mtree_range_walk+0x632/0x900
[ 39.166577] ? mas_walk+0x5c7/0x7c0
[ 39.167131] do_vmi_munmap+0x1f1/0x2b0
[ 39.167689] mmap_region+0x1f9/0x2660
[ 39.168263] ? __pfx_arch_get_unmapped_area_topdown+0x10/0x10
[ 39.169085] ? __pfx_lock_acquire+0x10/0x10
[ 39.169720] ? __pfx_mmap_region+0x10/0x10
[ 39.170317] ? security_mmap_addr+0x7d/0xa0
[ 39.170944] ? get_unmapped_area+0x1f5/0x3f0
[ 39.171568] do_mmap+0x854/0xf00
[ 39.172084] vm_mmap_pgoff+0x1a6/0x3a0
[ 39.172652] ? __pfx_vm_mmap_pgoff+0x10/0x10
[ 39.173314] ksys_mmap_pgoff+0x3af/0x500
[ 39.173898] do_syscall_64+0x3f/0x90
[ 39.174437] entry_SYSCALL_64_after_hwframe+0x6e/0xd8
[ 39.175176] RIP: 0033:0x7fd9ce9e1d82
[ 39.175699] 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
[ 39.178144] RSP: 002b:00007fffdaf8b438 EFLAGS: 00000206 ORIG_RAX: 0000000000000009
[ 39.179317] RAX: ffffffffffffffda RBX: 0000000000000812 RCX: 00007fd9ce9e1d82
[ 39.180503] RDX: 0000000000000005 RSI: 0000000000001000 RDI: 00007fd9ce29b000
[ 39.181710] RBP: 00007fd9ce29b000 R08: 0000000000000009 R09: 0000000000001000
[ 39.182944] R10: 0000000000000812 R11: 0000000000000206 R12: 0000559ea5675e00
[ 39.184171] R13: 00007fffdaf8b450 R14: 00007fffdaf8b480 R15: 00007fffdaf8b7e0
[ 39.185397]
[ 39.185741] Modules linked in:
[ 39.186247] ---[ end trace 0000000000000000 ]---
[ 39.186906] RIP: 0010:vma_interval_tree_insert+0x114/0x400
[ 39.188104] 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
[ 39.190600] RSP: 0018:ffff888017c678a8 EFLAGS: 00010217
[ 39.191442] RAX: 008680012000001d RBX: 04340009000000d5 RCX: 0000000000000000
[ 39.192587] RDX: ffff88801039b680 RSI: ffffffff816e6af9 RDI: 04340009000000ed
[ 39.193599] RBP: dffffc0000000000 R08: 0000000000000006 R09: 0000000000000002
[ 39.194561] R10: 0000000000000000 R11: 00000000000b6996 R12: 0000000000000004
[ 39.195542] R13: 0000000000000002 R14: ffff88800d5e9cb0 R15: ffff8880164242c0
[ 39.196513] FS: 00007fd9ce6bf840(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000
[ 39.197605] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 39.198409] CR2: 0000559ea56762e8 CR3: 0000000009718000 CR4: 0000000000350ee0
executing program
executing program
executing program
VM DIAGNOSIS:
06:16:57 Registers:
info registers vcpu 0
RAX=00005566821a40c0 RBX=0000556682199d00 RCX=0000000000000008 RDX=0000000000000047
RSI=00005566821a8608 RDI=00005566821a40c0 RBP=00007ffc473e7d50 RSP=00007ffc473e7ce8
R8 =00005566821a8608 R9 =00007f2472962be0 R10=0000000000000100 R11=0000000000000246
R12=0000000000000047 R13=00005566821a864e R14=0000000000000047 R15=0000000000000000
RIP=00007f2472906c01 RFL=00000283 [--S---C] CPL=3 II=0 A20=1 SMM=0 HLT=0
ES =0000 0000000000000000 00000000 00000000
CS =0033 0000000000000000 ffffffff 00a0fb00 DPL=3 CS64 [-RA]
SS =002b 0000000000000000 ffffffff 00c0f300 DPL=3 DS [-WA]
DS =0000 0000000000000000 00000000 00000000
FS =0000 00007f24723b0900 00000000 00000000
GS =0000 0000000000000000 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=00007ffc473e2000 CR3=000000000fb24000 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=712d796c6c7566202020202020202023 XMM01=72702079622064656e696174626f2065
XMM02=6e69646e65706572702079622064656e XMM03=68742073656e6966656420454c49465f
XMM04=3d6c616e696d72657420322e322e302e XMM05=3d656d616e74736f682022646873732f
XMM06=746f6f72223d746363612078756e696c XMM07=6e655f6d61702c7374696d696c5f6d61
XMM08=49465f4c49414d202d20202020202023 XMM09=00000000000000000000000000000000
XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000
XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000
XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000
info registers vcpu 1
RAX=0000000000001000 RBX=0000556682199d00 RCX=00007f2472892e8e RDX=0000000000001000
RSI=00005566821a8280 RDI=0000000000000008 RBP=00007f24729644a0 RSP=00007ffc473e7ca0
R8 =0000000000000008 R9 =00007f2472962be0 R10=0000000000000100 R11=0000000000000246
R12=0000000000000035 R13=00007f24729638a0 R14=0000000000000d68 R15=0000000000000d68
RIP=00007f247282589d RFL=00000206 [-----P-] CPL=3 II=0 A20=1 SMM=0 HLT=0
ES =0000 0000000000000000 00000000 00000000
CS =0033 0000000000000000 ffffffff 00a0fb00 DPL=3 CS64 [-RA]
SS =002b 0000000000000000 ffffffff 00c0f300 DPL=3 DS [-WA]
DS =0000 0000000000000000 00000000 00000000
FS =0000 00007f24723b0900 00000000 00000000
GS =0000 0000000000000000 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=00007f227ebd2950 CR3=000000000fb24000 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=6c697473206e61632073726573552023 XMM01=20656c706f657020726568746f20776f
XMM02=0000000000000000000000000000ffff XMM03=796e6120776f6c6c6120746f6e206f74
XMM04=40404040404040404040404040404040 XMM05=5a5a5a5a5a5a5a5a5a5a5a5a5a5a5a5a
XMM06=20202020202020202020202020202020 XMM07=ff0000ffffffff00ffffffffffffffff
XMM08=6120776f6c6c6120746f6e206f740000 XMM09=00000000000000000000000000000000
XMM10=00002020202020200020202020202020 XMM11=00000000000000000000000000000000
XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000
XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000