syzkaller login: [ 90.956532] BUG: Bad rss-counter state mm:0000000042f1e245 type:MM_FILEPAGES val:33
[ 90.958074] BUG: Bad rss-counter state mm:0000000042f1e245 type:MM_ANONPAGES val:22
[ 91.111548] ==================================================================
[ 91.112454] BUG: KASAN: slab-use-after-free in vma_interval_tree_remove+0xc75/0xec0
[ 91.113401] Read of size 8 at addr ffff88801808ded8 by task sshd/219
[ 91.114183]
[ 91.114472] CPU: 0 PID: 219 Comm: sshd Not tainted 6.4.0-rc7-next-20230619 #1
[ 91.115363] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
[ 91.116328] Call Trace:
[ 91.116642]
[ 91.116923] dump_stack_lvl+0x91/0xf0
[ 91.117411] print_report+0xcc/0x620
[ 91.117919] ? __virt_addr_valid+0x102/0x340
[ 91.118473] ? vma_interval_tree_remove+0xc75/0xec0
[ 91.119084] ? vma_interval_tree_remove+0xc75/0xec0
[ 91.119700] kasan_report+0xbe/0xf0
[ 91.120182] ? vma_interval_tree_remove+0xc75/0xec0
[ 91.120824] vma_interval_tree_remove+0xc75/0xec0
[ 91.121449] vma_prepare+0xc54/0x11a0
[ 91.121951] __split_vma+0x5af/0x950
[ 91.122447] ? __pfx___split_vma+0x10/0x10
[ 91.123001] ? find_held_lock+0x2c/0x110
[ 91.123559] do_vmi_align_munmap+0x2ba/0x11f0
[ 91.124154] ? lock_is_held_type+0x9f/0x120
[ 91.124709] ? __pfx_do_vmi_align_munmap+0x10/0x10
[ 91.125340] ? mtree_range_walk+0x632/0x900
[ 91.125921] ? mas_walk+0x5c7/0x7c0
[ 91.126410] do_vmi_munmap+0x1f1/0x2b0
[ 91.126921] mmap_region+0x1f9/0x2660
[ 91.127425] ? vm_mmap_pgoff+0x15c/0x3a0
[ 91.127956] ? __pfx_arch_get_unmapped_area_topdown+0x10/0x10
[ 91.128708] ? __pfx_lock_acquire+0x10/0x10
[ 91.129275] ? __pfx_mmap_region+0x10/0x10
[ 91.129840] ? security_mmap_addr+0x7d/0xa0
[ 91.130395] ? get_unmapped_area+0x1f5/0x3f0
[ 91.130959] do_mmap+0x854/0xf00
[ 91.131414] vm_mmap_pgoff+0x1a6/0x3a0
[ 91.131934] ? __pfx_vm_mmap_pgoff+0x10/0x10
[ 91.132520] ksys_mmap_pgoff+0x3af/0x500
[ 91.133053] do_syscall_64+0x3f/0x90
[ 91.133549] entry_SYSCALL_64_after_hwframe+0x6e/0xd8
[ 91.134230] RIP: 0033:0x7f088e150d82
[ 91.134703] 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
[ 91.136898] RSP: 002b:00007ffe54c18238 EFLAGS: 00000206 ORIG_RAX: 0000000000000009
[ 91.137847] RAX: ffffffffffffffda RBX: 0000000000000812 RCX: 00007f088e150d82
[ 91.138732] RDX: 0000000000000005 RSI: 0000000000001000 RDI: 00007f088d58a000
[ 91.139604] RBP: 00007f088d58a000 R08: 0000000000000009 R09: 0000000000001000
[ 91.140485] R10: 0000000000000812 R11: 0000000000000206 R12: 000055a0e642bec0
[ 91.141379] R13: 00007ffe54c18250 R14: 00007ffe54c18280 R15: 00007ffe54c185e0
[ 91.142290]
[ 91.142590]
[ 91.142812] Allocated by task 212:
[ 91.143254] kasan_save_stack+0x22/0x50
[ 91.143778] kasan_set_track+0x25/0x30
[ 91.144289] __kasan_slab_alloc+0x59/0x70
[ 91.144833] kmem_cache_alloc+0x16b/0x370
[ 91.145375] vm_area_dup+0x20/0x160
[ 91.145852] __split_vma+0x170/0x950
[ 91.146348] split_vma+0xc6/0x110
[ 91.146802] mprotect_fixup+0x8d2/0xb30
[ 91.147320] do_mprotect_pkey+0x87e/0xd40
[ 91.147860] __x64_sys_mprotect+0x78/0xc0
[ 91.148415] do_syscall_64+0x3f/0x90
[ 91.148912] entry_SYSCALL_64_after_hwframe+0x6e/0xd8
[ 91.149576]
[ 91.149795] Freed by task 212:
[ 91.150225] kasan_save_stack+0x22/0x50
[ 91.150746] kasan_set_track+0x25/0x30
[ 91.151262] kasan_save_free_info+0x2b/0x50
[ 91.151821] __kasan_slab_free+0x10a/0x190
[ 91.152386] kmem_cache_free+0x10d/0x4d0
[ 91.152919] rcu_core+0x8c8/0x2860
[ 91.153393] __do_softirq+0x1b7/0x7d4
[ 91.153895]
[ 91.154117] Last potentially related work creation:
[ 91.154737] kasan_save_stack+0x22/0x50
[ 91.155271] __kasan_record_aux_stack+0x8e/0xa0
[ 91.155865] __call_rcu_common.constprop.0+0x6a/0xb90
[ 91.156548] remove_vma+0x139/0x170
[ 91.157015] do_vmi_align_munmap+0xd4a/0x11f0
[ 91.157589] do_vmi_munmap+0x1f1/0x2b0
[ 91.158101] __vm_munmap+0x138/0x3a0
[ 91.158585] __x64_sys_munmap+0x59/0x80
[ 91.159107] do_syscall_64+0x3f/0x90
[ 91.159600] entry_SYSCALL_64_after_hwframe+0x6e/0xd8
[ 91.160273]
[ 91.160494] The buggy address belongs to the object at ffff88801808de80
[ 91.160494] which belongs to the cache vm_area_struct of size 168
[ 91.162044] The buggy address is located 88 bytes inside of
[ 91.162044] freed 168-byte region [ffff88801808de80, ffff88801808df28)
[ 91.163508]
[ 91.163728] The buggy address belongs to the physical page:
[ 91.164409] page:0000000069d5aa04 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1808d
[ 91.165554] memcg:ffff8880102c4001
[ 91.166008] flags: 0x100000000000200(slab|node=0|zone=1)
[ 91.166694] page_type: 0xffffffff()
[ 91.167163] raw: 0100000000000200 ffff88800879fc80 dead000000000122 0000000000000000
[ 91.168120] raw: 0000000000000000 0000000000110011 00000001ffffffff ffff8880102c4001
[ 91.169062] page dumped because: kasan: bad access detected
[ 91.169751]
[ 91.169993] Memory state around the buggy address:
[ 91.170588] ffff88801808dd80: fc fc fc 00 00 00 00 00 00 00 00 00 00 00 00 00
[ 91.171480] ffff88801808de00: 00 00 00 00 00 00 00 00 fc fc fc fc fc fc fc fc
[ 91.172365] >ffff88801808de80: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[ 91.173250] ^
[ 91.174011] ffff88801808df00: fb fb fb fb fb fc fc fc fc fc fc fc fc fc fc fc
[ 91.174911] ffff88801808df80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[ 91.175794] ==================================================================
[ 91.176824] Disabling lock debugging due to kernel taint
[ 94.210354] BUG: Bad rss-counter state mm:00000000c5d5377c type:MM_FILEPAGES val:33
[ 94.211395] BUG: Bad rss-counter state mm:00000000c5d5377c type:MM_ANONPAGES val:22
[ 94.757319] BUG: Bad rss-counter state mm:00000000f8c6a5ca type:MM_FILEPAGES val:33
[ 94.758471] BUG: Bad rss-counter state mm:00000000f8c6a5ca type:MM_ANONPAGES val:22
Warning: Permanently added '[localhost]:53879' (ECDSA) to the list of known hosts.
[ 95.010956] general protection fault, probably for non-canonical address 0xe0ba3c206000000a: 0000 [#1] PREEMPT SMP KASAN NOPTI
[ 95.012331] KASAN: maybe wild-memory-access in range [0x05d2010300000050-0x05d2010300000057]
[ 95.013338] CPU: 1 PID: 240 Comm: sshd Tainted: G B 6.4.0-rc7-next-20230619 #1
[ 95.014376] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
[ 95.015337] RIP: 0010:__rb_insert_augmented+0x9d/0x8b0
[ 95.015996] Code: c2 48 c1 ea 03 42 80 3c 2a 00 0f 85 55 05 00 00 4d 8b 74 24 08 49 39 ee 0f 84 77 01 00 00 4d 85 f6 74 1c 4c 89 f2 48 c1 ea 03 <42> 80 3c 2a 00 0f 85 61 05 00 00 41 f6 06 01 0f 84 7a 04 00 00 48
[ 95.018139] RSP: 0018:ffff8880183f7948 EFLAGS: 00010217
[ 95.018786] RAX: ffff888019bef2c8 RBX: ffff88801823c780 RCX: ffffffff844ce9f9
[ 95.019653] RDX: 00ba40206000000a RSI: 0000000000000008 RDI: ffff88800fe0c408
[ 95.020511] RBP: ffff88800f06a500 R08: ffff88800fe0c408 R09: 0000000000000000
[ 95.021351] R10: 0000000000000002 R11: 00000000000b6996 R12: ffff88800fe0c400
[ 95.022214] R13: dffffc0000000000 R14: 05d2010300000057 R15: ffffffff816e61c0
[ 95.023066] FS: 00007f1149b7c900(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000
[ 95.024008] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 95.024782] CR2: 0000557f0761c1c0 CR3: 00000000146c8000 CR4: 0000000000350ee0
[ 95.025655] Call Trace:
[ 95.025983]
[ 95.026266] ? die_addr+0x3c/0xa0
[ 95.026719] ? exc_general_protection+0x125/0x220
[ 95.027329] ? asm_exc_general_protection+0x26/0x30
[ 95.027958] ? __pfx_vma_interval_tree_augment_rotate+0x10/0x10
[ 95.028714] ? __rb_insert_augmented+0x5e9/0x8b0
[ 95.029305] ? __rb_insert_augmented+0x9d/0x8b0
[ 95.029907] ? __rb_insert_augmented+0x5e9/0x8b0
[ 95.030511] ? vma_interval_tree_insert_after+0x315/0x390
[ 95.031178] dup_mmap+0xc45/0x1770
[ 95.031642] ? __pfx_dup_mmap+0x10/0x10
[ 95.032132] ? __pfx_do_raw_spin_lock+0x10/0x10
[ 95.032731] ? _raw_spin_unlock_irqrestore+0x2c/0x50
[ 95.033353] ? trace_hardirqs_on+0x16/0x100
[ 95.033924] ? mm_init+0xb4a/0xe70
[ 95.034364] copy_process+0x3e68/0x7320
[ 95.034872] ? lock_acquire+0x434/0x4c0
[ 95.035371] ? __pfx_copy_process+0x10/0x10
[ 95.035914] ? lock_acquire+0x434/0x4c0
[ 95.036427] ? __pfx_lock_release+0x10/0x10
[ 95.036961] ? do_raw_spin_lock+0x125/0x270
[ 95.037507] ? expand_files+0x446/0x8e0
[ 95.038039] kernel_clone+0xeb/0x7d0
[ 95.038522] ? __pfx_kernel_clone+0x10/0x10
[ 95.039053] ? lock_acquire+0x434/0x4c0
[ 95.039553] ? lock_release+0x4d8/0x680
[ 95.040040] ? __pfx_lock_release+0x10/0x10
[ 95.040590] ? __pfx_lock_release+0x10/0x10
[ 95.041118] ? _raw_spin_unlock+0x1e/0x40
[ 95.041634] ? alloc_fd+0x2eb/0x760
[ 95.042117] __do_sys_clone+0xba/0x100
[ 95.042614] ? __pfx___do_sys_clone+0x10/0x10
[ 95.043176] ? fpregs_assert_state_consistent+0xbd/0xe0
[ 95.043841] do_syscall_64+0x3f/0x90
[ 95.044319] entry_SYSCALL_64_after_hwframe+0x6e/0xd8
[ 95.044979] RIP: 0033:0x7f114a03b4bb
[ 95.045446] Code: ed 0f 85 f8 00 00 00 64 4c 8b 0c 25 10 00 00 00 45 31 c0 4d 8d 91 d0 02 00 00 31 d2 31 f6 bf 11 00 20 01 b8 38 00 00 00 0f 05 <48> 3d 00 f0 ff ff 0f 87 91 00 00 00 41 89 c5 85 c0 0f 85 9e 00 00
[ 95.047594] RSP: 002b:00007ffccdfdb820 EFLAGS: 00000246 ORIG_RAX: 0000000000000038
[ 95.048511] RAX: ffffffffffffffda RBX: 00000000000089ee RCX: 00007f114a03b4bb
[ 95.049345] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001200011
[ 95.050213] RBP: 0000000000000000 R08: 0000000000000000 R09: 00007f1149b7c900
[ 95.051061] R10: 00007f1149b7cbd0 R11: 0000000000000246 R12: 0000000000000000
[ 95.051908] R13: 0000557f07629ec0 R14: 0000557f0763a2e0 R15: 00007ffccdfdb8a0
[ 95.052779]
[ 95.053066] Modules linked in:
[ 95.053575] ---[ end trace 0000000000000000 ]---
[ 95.054176] RIP: 0010:__rb_insert_augmented+0x9d/0x8b0
[ 95.054845] Code: c2 48 c1 ea 03 42 80 3c 2a 00 0f 85 55 05 00 00 4d 8b 74 24 08 49 39 ee 0f 84 77 01 00 00 4d 85 f6 74 1c 4c 89 f2 48 c1 ea 03 <42> 80 3c 2a 00 0f 85 61 05 00 00 41 f6 06 01 0f 84 7a 04 00 00 48
[ 95.057254] RSP: 0018:ffff8880183f7948 EFLAGS: 00010217
[ 95.058095] RAX: ffff888019bef2c8 RBX: ffff88801823c780 RCX: ffffffff844ce9f9
[ 95.059299] RDX: 00ba40206000000a RSI: 0000000000000008 RDI: ffff88800fe0c408
[ 95.060506] RBP: ffff88800f06a500 R08: ffff88800fe0c408 R09: 0000000000000000
[ 95.061624] R10: 0000000000000002 R11: 00000000000b6996 R12: ffff88800fe0c400
[ 95.062563] R13: dffffc0000000000 R14: 05d2010300000057 R15: ffffffff816e61c0
[ 95.063452] FS: 00007f1149b7c900(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000
[ 95.064468] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 95.065201] CR2: 0000557f0761c1c0 CR3: 00000000146c8000 CR4: 0000000000350ee0
VM DIAGNOSIS:
11:14:29 Registers:
info registers vcpu 0
RAX=ffffffff85db8af4 RBX=ffffffff85db8af4 RCX=ffffffff813782a7 RDX=0000000000000000
RSI=ffffffff860d1670 RDI=ffffffff85db8aec RBP=ffffffff85db8af4 RSP=ffff88806ce099e0
R8 =ffffffff860d1670 R9 =ffff88806ce09ad8 R10=0000000000038001 R11=000000000000fdc6
R12=ffffffff85db8af4 R13=ffffffff85db8aec R14=ffffffff85db8af0 R15=dffffc0000000000
RIP=ffffffff8112fc76 RFL=00000256 [---ZAP-] 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 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=00007f98c0a923e0 CR3=000000000f056000 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=34313a3131203931206e754a3e36383c XMM01=7365733a646873732878696e755f6d61
XMM02=736f6c63206e6f6973736573203a296e XMM03=5f6d6170203a5d3033325b6468737320
XMM04=6456774875434142334f726f59427469 XMM05=485320415352203a3268737320343932
XMM06=206d6f726620746f6f7220726f662079 XMM07=00000000000000000000000000000000
XMM08=3a677562656420676f6c737973720000 XMM09=00000000000000000000000000000000
XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000
XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000
XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000
info registers vcpu 1
RAX=0000000000000001 RBX=0000000000000001 RCX=ffffffff812d869a RDX=fffffbfff0ba77db
RSI=0000000000000008 RDI=ffffffff85d3bed0 RBP=1ffff11003062fb8 RSP=ffff888018317db0
R8 =0000000000000000 R9 =fffffbfff0ba77da R10=ffffffff85d3bed7 R11=0000000000000000
R12=ffffffff8560b640 R13=ffffffff8171ae98 R14=0000000000000200 R15=0000000000000040
RIP=ffffffff812d86a2 RFL=00000247 [---Z-PC] 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 =0000 0000000000000000 00000000 00000000
DS =0000 0000000000000000 00000000 00000000
FS =0000 00007f4c9bbbd900 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=00007f4c9bf593ec CR3=0000000015ce4000 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