syzkaller login: [ 38.927013] BUG: Bad rss-counter state mm:00000000babd7fc4 type:MM_FILEPAGES val:33
[ 38.928594] BUG: Bad rss-counter state mm:00000000babd7fc4 type:MM_ANONPAGES val:22
[ 38.963723] ==================================================================
[ 38.964842] BUG: KASAN: slab-use-after-free in vma_interval_tree_remove+0xc75/0xec0
[ 38.965774] Read of size 8 at addr ffff888019de95c8 by task sshd/219
[ 38.966562]
[ 38.966783] CPU: 1 PID: 219 Comm: sshd Not tainted 6.4.0-rc7-next-20230620 #1
[ 38.967631] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
[ 38.968603] Call Trace:
[ 38.968920]
[ 38.969204] dump_stack_lvl+0x91/0xf0
[ 38.969698] print_report+0xcc/0x620
[ 38.970189] ? __virt_addr_valid+0x102/0x340
[ 38.970737] ? vma_interval_tree_remove+0xc75/0xec0
[ 38.971362] ? vma_interval_tree_remove+0xc75/0xec0
[ 38.971969] kasan_report+0xbe/0xf0
[ 38.972440] ? vma_interval_tree_remove+0xc75/0xec0
[ 38.973065] vma_interval_tree_remove+0xc75/0xec0
[ 38.973669] vma_prepare+0xc54/0x11a0
[ 38.974154] __split_vma+0x5af/0x950
[ 38.974637] ? __pfx___split_vma+0x10/0x10
[ 38.975164] ? find_held_lock+0x2c/0x110
[ 38.975683] do_vmi_align_munmap+0x2ba/0x11f0
[ 38.976247] ? lock_is_held_type+0x9f/0x120
[ 38.976780] ? __pfx_do_vmi_align_munmap+0x10/0x10
[ 38.977374] ? mtree_range_walk+0x632/0x900
[ 38.977923] ? mas_walk+0x5c7/0x7c0
[ 38.978435] do_vmi_munmap+0x1f1/0x2b0
[ 38.978931] mmap_region+0x1f9/0x2660
[ 38.979410] ? vm_mmap_pgoff+0x15c/0x3a0
[ 38.979923] ? __pfx_arch_get_unmapped_area_topdown+0x10/0x10
[ 38.980627] ? __pfx_lock_acquire+0x10/0x10
[ 38.981158] ? __pfx_mmap_region+0x10/0x10
[ 38.981685] ? security_mmap_addr+0x7d/0xa0
[ 38.982218] ? get_unmapped_area+0x1f5/0x3f0
[ 38.982766] do_mmap+0x854/0xf00
[ 38.983208] vm_mmap_pgoff+0x1a6/0x3a0
[ 38.983703] ? __pfx_vm_mmap_pgoff+0x10/0x10
[ 38.984254] ksys_mmap_pgoff+0x3af/0x500
[ 38.984757] do_syscall_64+0x3f/0x90
[ 38.985231] entry_SYSCALL_64_after_hwframe+0x6e/0xd8
[ 38.985884] RIP: 0033:0x7f5e44966d82
[ 38.986346] 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
[ 38.988467] RSP: 002b:00007ffdbaaaa188 EFLAGS: 00000206 ORIG_RAX: 0000000000000009
[ 38.989389] RAX: ffffffffffffffda RBX: 0000000000000812 RCX: 00007f5e44966d82
[ 38.990270] RDX: 0000000000000005 RSI: 0000000000001000 RDI: 00007f5e43da0000
[ 38.991115] RBP: 00007f5e43da0000 R08: 0000000000000009 R09: 0000000000001000
[ 38.992164] R10: 0000000000000812 R11: 0000000000000206 R12: 000055864cabad90
[ 38.993016] R13: 00007ffdbaaaa1a0 R14: 00007ffdbaaaa1d0 R15: 00007ffdbaaaa530
[ 38.993884]
[ 38.994186]
[ 38.994402] Allocated by task 212:
[ 38.994833] kasan_save_stack+0x22/0x50
[ 38.995337] kasan_set_track+0x25/0x30
[ 38.995833] __kasan_slab_alloc+0x59/0x70
[ 38.996364] kmem_cache_alloc+0x16b/0x370
[ 38.996880] vm_area_dup+0x20/0x160
[ 38.997347] __split_vma+0x170/0x950
[ 38.997813] split_vma+0xc6/0x110
[ 38.998266] mprotect_fixup+0x8d2/0xb30
[ 38.998766] do_mprotect_pkey+0x87e/0xd40
[ 38.999298] __x64_sys_mprotect+0x78/0xc0
[ 38.999823] do_syscall_64+0x3f/0x90
[ 39.000294] entry_SYSCALL_64_after_hwframe+0x6e/0xd8
[ 39.000939]
[ 39.001154] Freed by task 203:
[ 39.001550] kasan_save_stack+0x22/0x50
[ 39.002078] kasan_set_track+0x25/0x30
[ 39.002577] kasan_save_free_info+0x2b/0x50
[ 39.003113] __kasan_slab_free+0x10a/0x190
[ 39.003648] kmem_cache_free+0x10d/0x4d0
[ 39.004156] rcu_core+0x8c8/0x2860
[ 39.004595] __do_softirq+0x1b7/0x7d4
[ 39.005070]
[ 39.005283] Last potentially related work creation:
[ 39.005866] kasan_save_stack+0x22/0x50
[ 39.006381] __kasan_record_aux_stack+0x8e/0xa0
[ 39.006951] __call_rcu_common.constprop.0+0x6a/0xb90
[ 39.007585] remove_vma+0x139/0x170
[ 39.008037] do_vmi_align_munmap+0xd4a/0x11f0
[ 39.008591] do_vmi_munmap+0x1f1/0x2b0
[ 39.009087] __vm_munmap+0x138/0x3a0
[ 39.009556] __x64_sys_munmap+0x59/0x80
[ 39.010050] do_syscall_64+0x3f/0x90
[ 39.010550] entry_SYSCALL_64_after_hwframe+0x6e/0xd8
[ 39.011204]
[ 39.011421] Second to last potentially related work creation:
[ 39.012110] kasan_save_stack+0x22/0x50
[ 39.012612] __kasan_record_aux_stack+0x8e/0xa0
[ 39.013183] __call_rcu_common.constprop.0+0x6a/0xb90
[ 39.013822] remove_vma+0x139/0x170
[ 39.014278] do_vmi_align_munmap+0xd4a/0x11f0
[ 39.014828] do_vmi_munmap+0x1f1/0x2b0
[ 39.015310] mmap_region+0x1f9/0x2660
[ 39.015795] do_mmap+0x854/0xf00
[ 39.016226] vm_mmap_pgoff+0x1a6/0x3a0
[ 39.016716] ksys_mmap_pgoff+0x3af/0x500
[ 39.017212] do_syscall_64+0x3f/0x90
[ 39.017686] entry_SYSCALL_64_after_hwframe+0x6e/0xd8
[ 39.018337]
[ 39.018551] The buggy address belongs to the object at ffff888019de9570
[ 39.018551] which belongs to the cache vm_area_struct of size 168
[ 39.020010] The buggy address is located 88 bytes inside of
[ 39.020010] freed 168-byte region [ffff888019de9570, ffff888019de9618)
[ 39.021412]
[ 39.021626] The buggy address belongs to the physical page:
[ 39.022292] page:00000000e0151e13 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x19de9
[ 39.023389] memcg:ffff888019dea001
[ 39.023809] anon flags: 0x100000000000200(slab|node=0|zone=1)
[ 39.024507] page_type: 0xffffffff()
[ 39.024951] raw: 0100000000000200 ffff8880087a0c80 0000000000000000 0000000000000001
[ 39.025866] raw: 0000000000000000 0000000000110011 00000001ffffffff ffff888019dea001
[ 39.026783] page dumped because: kasan: bad access detected
[ 39.027444]
[ 39.027657] Memory state around the buggy address:
[ 39.028241] ffff888019de9480: fc 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
[ 39.029095] ffff888019de9500: 00 00 00 00 00 00 fc fc fc fc fc fc fc fc fa fb
[ 39.029946] >ffff888019de9580: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[ 39.030805] ^
[ 39.031473] ffff888019de9600: fb fb fb fc fc fc fc fc fc fc fc fa fb fb fb fb
[ 39.032334] ffff888019de9680: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[ 39.033195] ==================================================================
[ 39.034180] Disabling lock debugging due to kernel taint
[ 40.935453] BUG: Bad rss-counter state mm:0000000020626b5f type:MM_FILEPAGES val:33
[ 40.936741] BUG: Bad rss-counter state mm:0000000020626b5f type:MM_ANONPAGES val:22
[ 41.484018] BUG: Bad rss-counter state mm:0000000007e3c348 type:MM_FILEPAGES val:33
[ 41.485205] BUG: Bad rss-counter state mm:0000000007e3c348 type:MM_ANONPAGES val:22
Warning: Permanently added '[localhost]:61424' (ECDSA) to the list of known hosts.
2023/06/20 17:16:59 fuzzer started
2023/06/20 17:16:59 dialing manager at localhost:36067
2023/06/20 17:16:59 checking machine...
2023/06/20 17:16:59 checking revisions...
[ 42.175378] kmemleak: Automatic memory scanning thread ended
2023/06/20 17:17:00 testing simple program...
[ 42.221225] cgroup: Unknown subsys name 'net'
[ 42.276440] cgroup: Unknown subsys name 'rlimit'
[ 43.743809] general protection fault, probably for non-canonical address 0xe08b7c2a0000001e: 0000 [#1] PREEMPT SMP KASAN NOPTI
[ 43.745361] KASAN: maybe wild-memory-access in range [0x045c0150000000f0-0x045c0150000000f7]
[ 43.746459] CPU: 0 PID: 264 Comm: cron Tainted: G B 6.4.0-rc7-next-20230620 #1
[ 43.747572] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
[ 43.748620] RIP: 0010:vma_interval_tree_remove+0x2e8/0xec0
[ 43.749371] Code: 3c 2a 00 0f 85 c7 09 00 00 49 8b 56 10 48 85 d2 48 89 14 24 74 29 e8 07 96 dd ff 48 8b 14 24 48 8d 7a 18 48 89 f9 48 c1 e9 03 <80> 3c 29 00 0f 85 e5 09 00 00 48 8b 52 18 49 39 d4 4c 0f 42 e2 e8
[ 43.751694] RSP: 0018:ffff888015a4fa58 EFLAGS: 00010217
[ 43.752399] RAX: 0000000000000000 RBX: ffff888016fa8940 RCX: 008b802a0000001e
[ 43.753359] RDX: 045c0150000000dc RSI: ffffffff816e7259 RDI: 045c0150000000f4
[ 43.754356] RBP: dffffc0000000000 R08: 0000000000000007 R09: 0000000000000000
[ 43.755344] R10: 0000000000000000 R11: 00000000000b6a61 R12: 000fbf0fefc0556f
[ 43.756336] R13: ffff888019de9740 R14: ffff888019de9740 R15: ffff888016fa8950
[ 43.757325] FS: 00007ff000056840(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000
[ 43.758448] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 43.759270] CR2: 00007fefffc31260 CR3: 0000000009a14000 CR4: 0000000000350ef0
[ 43.760268] Call Trace:
[ 43.760640]
[ 43.760966] ? die_addr+0x3c/0xa0
[ 43.761482] ? exc_general_protection+0x125/0x220
[ 43.762201] ? asm_exc_general_protection+0x26/0x30
[ 43.762941] ? vma_interval_tree_remove+0x2d9/0xec0
[ 43.763650] ? vma_interval_tree_remove+0x2e8/0xec0
[ 43.764353] ? vma_interval_tree_remove+0x2d9/0xec0
[ 43.765063] vma_prepare+0xc54/0x11a0
[ 43.765623] __split_vma+0x5af/0x950
[ 43.766165] ? __pfx___split_vma+0x10/0x10
[ 43.766767] ? file_has_perm+0x188/0x270
[ 43.767354] ? lock_acquire+0x434/0x4c0
[ 43.767926] ? __pfx_file_has_perm+0x10/0x10
[ 43.768571] split_vma+0xc6/0x110
[ 43.769080] mprotect_fixup+0x8d2/0xb30
[ 43.769658] ? __pfx_mprotect_fixup+0x10/0x10
[ 43.770328] do_mprotect_pkey+0x87e/0xd40
[ 43.770936] ? __pfx_do_mprotect_pkey+0x10/0x10
[ 43.771600] ? __up_read+0x199/0x750
[ 43.772148] ? handle_mm_fault+0x1ee/0xba0
[ 43.772756] ? fpregs_assert_state_consistent+0xbd/0xe0
[ 43.773517] __x64_sys_mprotect+0x78/0xc0
[ 43.774126] ? syscall_enter_from_user_mode+0x21/0x50
[ 43.774874] do_syscall_64+0x3f/0x90
[ 43.775429] entry_SYSCALL_64_after_hwframe+0x6e/0xd8
[ 43.776169] RIP: 0033:0x7ff000378e27
[ 43.776690] Code: 44 00 00 b8 0b 00 00 00 0f 05 48 3d 01 f0 ff ff 73 01 c3 48 8d 0d 31 03 01 00 f7 d8 89 01 48 83 c8 ff c3 b8 0a 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8d 0d 11 03 01 00 f7 d8 89 01 48 83
[ 43.779125] RSP: 002b:00007fff225faaf8 EFLAGS: 00000206 ORIG_RAX: 000000000000000a
[ 43.780151] RAX: ffffffffffffffda RBX: 0000556f248eee00 RCX: 00007ff000378e27
[ 43.781135] RDX: 0000000000000001 RSI: 0000000000001000 RDI: 00007fefffc34000
[ 43.782106] RBP: 00007fff225fac10 R08: 00007fff225faa80 R09: 0000000000000000
[ 43.783108] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000006
[ 43.784085] R13: 0000000400000006 R14: 00007fefffc31310 R15: 0000000000000000
[ 43.785065]
[ 43.785397] Modules linked in:
[ 43.786037] ---[ end trace 0000000000000000 ]---
[ 43.786797] RIP: 0010:vma_interval_tree_remove+0x2e8/0xec0
[ 43.787728] Code: 3c 2a 00 0f 85 c7 09 00 00 49 8b 56 10 48 85 d2 48 89 14 24 74 29 e8 07 96 dd ff 48 8b 14 24 48 8d 7a 18 48 89 f9 48 c1 e9 03 <80> 3c 29 00 0f 85 e5 09 00 00 48 8b 52 18 49 39 d4 4c 0f 42 e2 e8
[ 43.790337] RSP: 0018:ffff888015a4fa58 EFLAGS: 00010217
[ 43.791274] RAX: 0000000000000000 RBX: ffff888016fa8940 RCX: 008b802a0000001e
[ 43.792447] RDX: 045c0150000000dc RSI: ffffffff816e7259 RDI: 045c0150000000f4
[ 43.793577] RBP: dffffc0000000000 R08: 0000000000000007 R09: 0000000000000000
[ 43.794647] R10: 0000000000000000 R11: 00000000000b6a61 R12: 000fbf0fefc0556f
[ 43.795615] R13: ffff888019de9740 R14: ffff888019de9740 R15: ffff888016fa8950
[ 43.796600] FS: 00007ff000056840(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000
[ 43.797699] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 43.798534] CR2: 00007fefffc31260 CR3: 0000000009a14000 CR4: 0000000000350ef0
executing program
executing program
executing program
VM DIAGNOSIS:
17:16:59 Registers:
info registers vcpu 0
RAX=ffff88806ce35000 RBX=0000000000000000 RCX=ffffffff8451250e RDX=ffffed100d9c6a01
RSI=0000000000000004 RDI=ffffffff81288ac5 RBP=dffffc0000000000 RSP=ffffffff85407e10
R8 =0000000000000000 R9 =ffffed100d9c6a00 R10=ffff88806ce35003 R11=ffff888008c04000
R12=ffffffff85d3d350 R13=1ffffffff0a80fc7 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 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=00007f7a26528000 CR3=00000000103aa000 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=b819b64ae1313797b94b9360cee7d512
XMM02=2c67c8bc2e329bc3000000000011ad38 XMM03=fb795ef6d657705600000000001216f8
XMM04=f79f45cea6f50fdb00000000000ae988 XMM05=ef5615cbea8527cf0000000000132ae8
XMM06=806171799158d96700000000001324e8 XMM07=e042d86d42eb936e0000000000121978
XMM08=37bd25fc081e11a6000000000011ad98 XMM09=00000000000000000000000000000000
XMM10=20200000000020202020202020200000 XMM11=00000000000000000000000000000000
XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000
XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000
info registers vcpu 1
RAX=0000000000000000 RBX=0000000000000000 RCX=0000000000000000 RDX=ffff88800f201b40
RSI=ffffffff811431a3 RDI=0000000000000007 RBP=000000000c9ad670 RSP=ffff88801693f9d8
R8 =0000000000000007 R9 =0000000000000000 R10=0000000000000000 R11=0000000000000000
R12=0000000000000000 R13=0000000000080000 R14=ffffffff83675648 R15=0000000000000024
RIP=ffffffff814c089b 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 00007fee3be75900 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=00007ffd8132c000 CR3=0000000015868000 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=6720646572637465733a4d41503d706f XMM01=652022746f6f72223d74636361207469
XMM02=3d6c616e696d72657420322e322e302e XMM03=3d656d616e74736f682022646873732f
XMM04=40404040404040404040404040404040 XMM05=5a5a5a5a5a5a5a5a5a5a5a5a5a5a5a5a
XMM06=20202020202020202020202020202020 XMM07=00000000000000000000000000000000
XMM08=652075253d64692073253d706f000000 XMM09=00000000000000000000000000000000
XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000
XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000
XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000