syzkaller login: [ 58.496641] BUG: Bad rss-counter state mm:00000000c3de3423 type:MM_FILEPAGES val:33
[ 58.498284] BUG: Bad rss-counter state mm:00000000c3de3423 type:MM_ANONPAGES val:22
[ 58.657775] ==================================================================
[ 58.658895] BUG: KASAN: slab-use-after-free in vma_interval_tree_remove+0xc75/0xec0
[ 58.660107] Read of size 8 at addr ffff88800f5a0d08 by task sshd/220
[ 58.660880]
[ 58.661102] CPU: 1 PID: 220 Comm: sshd Not tainted 6.4.0-rc7-next-20230619 #1
[ 58.661996] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
[ 58.663005] Call Trace:
[ 58.663331]
[ 58.663618] dump_stack_lvl+0x91/0xf0
[ 58.664111] print_report+0xcc/0x620
[ 58.664595] ? __virt_addr_valid+0x102/0x340
[ 58.665144] ? vma_interval_tree_remove+0xc75/0xec0
[ 58.665785] ? vma_interval_tree_remove+0xc75/0xec0
[ 58.666454] kasan_report+0xbe/0xf0
[ 58.666935] ? vma_interval_tree_remove+0xc75/0xec0
[ 58.667554] vma_interval_tree_remove+0xc75/0xec0
[ 58.668158] vma_prepare+0xc54/0x11a0
[ 58.668644] __split_vma+0x5af/0x950
[ 58.669119] ? __pfx___split_vma+0x10/0x10
[ 58.669685] ? find_held_lock+0x2c/0x110
[ 58.670214] do_vmi_align_munmap+0x2ba/0x11f0
[ 58.670810] ? lock_is_held_type+0x9f/0x120
[ 58.671355] ? __pfx_do_vmi_align_munmap+0x10/0x10
[ 58.671976] ? mtree_range_walk+0x632/0x900
[ 58.672526] ? mas_walk+0x5c7/0x7c0
[ 58.673006] do_vmi_munmap+0x1f1/0x2b0
[ 58.673523] mmap_region+0x1f9/0x2660
[ 58.674011] ? vm_mmap_pgoff+0x15c/0x3a0
[ 58.674567] ? __pfx_arch_get_unmapped_area_topdown+0x10/0x10
[ 58.675288] ? __pfx_lock_acquire+0x10/0x10
[ 58.675822] ? __pfx_mmap_region+0x10/0x10
[ 58.676355] ? security_mmap_addr+0x7d/0xa0
[ 58.676887] ? get_unmapped_area+0x1f5/0x3f0
[ 58.677462] do_mmap+0x854/0xf00
[ 58.677911] vm_mmap_pgoff+0x1a6/0x3a0
[ 58.678444] ? __pfx_vm_mmap_pgoff+0x10/0x10
[ 58.679007] ksys_mmap_pgoff+0x3af/0x500
[ 58.679516] do_syscall_64+0x3f/0x90
[ 58.679997] entry_SYSCALL_64_after_hwframe+0x6e/0xd8
[ 58.680671] RIP: 0033:0x7f62e7151d82
[ 58.681128] 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
[ 58.683290] RSP: 002b:00007ffc9e985f18 EFLAGS: 00000206 ORIG_RAX: 0000000000000009
[ 58.684194] RAX: ffffffffffffffda RBX: 0000000000000812 RCX: 00007f62e7151d82
[ 58.685076] RDX: 0000000000000005 RSI: 0000000000001000 RDI: 00007f62e658b000
[ 58.685932] RBP: 00007f62e658b000 R08: 0000000000000009 R09: 0000000000001000
[ 58.686798] R10: 0000000000000812 R11: 0000000000000206 R12: 000055dcc79f5d90
[ 58.687651] R13: 00007ffc9e985f30 R14: 00007ffc9e985f60 R15: 00007ffc9e9862c0
[ 58.688544]
[ 58.688837]
[ 58.689054] Allocated by task 213:
[ 58.689499] kasan_save_stack+0x22/0x50
[ 58.690010] kasan_set_track+0x25/0x30
[ 58.690504] __kasan_slab_alloc+0x59/0x70
[ 58.691028] kmem_cache_alloc+0x16b/0x370
[ 58.691549] vm_area_dup+0x20/0x160
[ 58.692004] __split_vma+0x170/0x950
[ 58.692509] split_vma+0xc6/0x110
[ 58.692952] mprotect_fixup+0x8d2/0xb30
[ 58.693472] do_mprotect_pkey+0x87e/0xd40
[ 58.693991] __x64_sys_mprotect+0x78/0xc0
[ 58.694511] do_syscall_64+0x3f/0x90
[ 58.694986] entry_SYSCALL_64_after_hwframe+0x6e/0xd8
[ 58.695636]
[ 58.695851] Freed by task 213:
[ 58.696248] kasan_save_stack+0x22/0x50
[ 58.696800] kasan_set_track+0x25/0x30
[ 58.697296] kasan_save_free_info+0x2b/0x50
[ 58.697839] __kasan_slab_free+0x10a/0x190
[ 58.698398] kmem_cache_free+0x10d/0x4d0
[ 58.698909] rcu_core+0x8c8/0x2860
[ 58.699361] __do_softirq+0x1b7/0x7d4
[ 58.699835]
[ 58.700107] Last potentially related work creation:
[ 58.700731] kasan_save_stack+0x22/0x50
[ 58.701238] __kasan_record_aux_stack+0x8e/0xa0
[ 58.701829] __call_rcu_common.constprop.0+0x6a/0xb90
[ 58.702478] remove_vma+0x139/0x170
[ 58.702929] do_vmi_align_munmap+0xd4a/0x11f0
[ 58.703485] do_vmi_munmap+0x1f1/0x2b0
[ 58.703972] __vm_munmap+0x138/0x3a0
[ 58.704468] __x64_sys_munmap+0x59/0x80
[ 58.704970] do_syscall_64+0x3f/0x90
[ 58.705459] entry_SYSCALL_64_after_hwframe+0x6e/0xd8
[ 58.706101]
[ 58.706319] The buggy address belongs to the object at ffff88800f5a0cb0
[ 58.706319] which belongs to the cache vm_area_struct of size 168
[ 58.707807] The buggy address is located 88 bytes inside of
[ 58.707807] freed 168-byte region [ffff88800f5a0cb0, ffff88800f5a0d58)
[ 58.709244]
[ 58.709481] The buggy address belongs to the physical page:
[ 58.710150] page:00000000d3ae3ca1 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0xf5a0
[ 58.711258] memcg:ffff88800f5a1001
[ 58.711684] flags: 0x100000000000200(slab|node=0|zone=1)
[ 58.712342] page_type: 0xffffffff()
[ 58.712815] raw: 0100000000000200 ffff88800879fc80 ffffea0000383900 dead000000000008
[ 58.713747] raw: 0000000000000000 0000000000110011 00000001ffffffff ffff88800f5a1001
[ 58.714669] page dumped because: kasan: bad access detected
[ 58.715324]
[ 58.715540] Memory state around the buggy address:
[ 58.716120] ffff88800f5a0c00: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fc fc
[ 58.717011] ffff88800f5a0c80: fc fc fc fc fc fc fa fb fb fb fb fb fb fb fb fb
[ 58.717893] >ffff88800f5a0d00: fb fb fb fb fb fb fb fb fb fb fb fc fc fc fc fc
[ 58.718742] ^
[ 58.719180] ffff88800f5a0d80: fc fc fc fa fb fb fb fb fb fb fb fb fb fb fb fb
[ 58.720042] ffff88800f5a0e00: fb fb fb fb fb fb fb fb fc fc fc fc fc fc fc fc
[ 58.720937] ==================================================================
[ 58.721885] Disabling lock debugging due to kernel taint
[ 61.188648] BUG: Bad rss-counter state mm:00000000e949174a type:MM_FILEPAGES val:33
[ 61.189681] BUG: Bad rss-counter state mm:00000000e949174a type:MM_ANONPAGES val:22
[ 61.660724] BUG: Bad rss-counter state mm:00000000933806e5 type:MM_FILEPAGES val:33
[ 61.661709] BUG: Bad rss-counter state mm:00000000933806e5 type:MM_ANONPAGES val:22
Warning: Permanently added '[localhost]:40232' (ECDSA) to the list of known hosts.
[ 61.933170] general protection fault, probably for non-canonical address 0xe0db9c262000000d: 0000 [#1] PREEMPT SMP KASAN NOPTI
[ 61.934574] KASAN: maybe wild-memory-access in range [0x06dd013100000068-0x06dd01310000006f]
[ 61.935569] CPU: 1 PID: 239 Comm: sshd Tainted: G B 6.4.0-rc7-next-20230619 #1
[ 61.936590] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
[ 61.937569] RIP: 0010:__rb_insert_augmented+0x9d/0x8b0
[ 61.938225] 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
[ 61.940344] RSP: 0018:ffff88801995f948 EFLAGS: 00010212
[ 61.940978] RAX: ffff8880193805d0 RBX: ffff888016f794c8 RCX: ffffffff844ce9f9
[ 61.941841] RDX: 00dba0262000000d RSI: 0000000000000008 RDI: ffff88800bbbe788
[ 61.942775] RBP: ffff8880102fae40 R08: ffff88800bbbe788 R09: 0000000000000000
[ 61.943671] R10: 0000000000000003 R11: 00000000000b6996 R12: ffff88800bbbe780
[ 61.944521] R13: dffffc0000000000 R14: 06dd013100000068 R15: ffffffff816e61c0
[ 61.945373] FS: 00007f3040510900(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000
[ 61.946343] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 61.947037] CR2: 00005647703941c0 CR3: 000000000eea0000 CR4: 0000000000350ee0
[ 61.947891] Call Trace:
[ 61.948205]
[ 61.948489] ? die_addr+0x3c/0xa0
[ 61.948935] ? exc_general_protection+0x125/0x220
[ 61.949554] ? asm_exc_general_protection+0x26/0x30
[ 61.950190] ? __pfx_vma_interval_tree_augment_rotate+0x10/0x10
[ 61.951009] ? __rb_insert_augmented+0x5e9/0x8b0
[ 61.951601] ? __rb_insert_augmented+0x9d/0x8b0
[ 61.952252] ? __rb_insert_augmented+0x5e9/0x8b0
[ 61.952924] ? vma_interval_tree_insert_after+0x315/0x390
[ 61.953604] dup_mmap+0xc45/0x1770
[ 61.954059] ? __pfx_dup_mmap+0x10/0x10
[ 61.954656] ? __pfx_do_raw_spin_lock+0x10/0x10
[ 61.955281] ? _raw_spin_unlock_irqrestore+0x2c/0x50
[ 61.955904] ? trace_hardirqs_on+0x16/0x100
[ 61.956531] ? mm_init+0xb4a/0xe70
[ 61.957012] copy_process+0x3e68/0x7320
[ 61.957510] ? lock_acquire+0x434/0x4c0
[ 61.958007] ? __pfx_copy_process+0x10/0x10
[ 61.958618] ? expand_files+0x446/0x8e0
[ 61.959124] kernel_clone+0xeb/0x7d0
[ 61.959595] ? __pfx_kernel_clone+0x10/0x10
[ 61.960218] ? lock_acquire+0x434/0x4c0
[ 61.960720] ? lock_release+0x4d8/0x680
[ 61.961210] ? __pfx_lock_release+0x10/0x10
[ 61.961751] ? __pfx_lock_release+0x10/0x10
[ 61.962281] ? _raw_spin_unlock+0x1e/0x40
[ 61.962922] ? alloc_fd+0x2eb/0x760
[ 61.963458] __do_sys_clone+0xba/0x100
[ 61.964036] ? __pfx___do_sys_clone+0x10/0x10
[ 61.964725] ? fpregs_assert_state_consistent+0xbd/0xe0
[ 61.965477] do_syscall_64+0x3f/0x90
[ 61.966006] entry_SYSCALL_64_after_hwframe+0x6e/0xd8
[ 61.966655] RIP: 0033:0x7f30409cf4bb
[ 61.967114] 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
[ 61.969233] RSP: 002b:00007fff61fd7620 EFLAGS: 00000246 ORIG_RAX: 0000000000000038
[ 61.970167] RAX: ffffffffffffffda RBX: 000000000000cd32 RCX: 00007f30409cf4bb
[ 61.971166] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001200011
[ 61.972017] RBP: 0000000000000000 R08: 0000000000000000 R09: 00007f3040510900
[ 61.972875] R10: 00007f3040510bd0 R11: 0000000000000246 R12: 0000000000000000
[ 61.973737] R13: 00005647703a1f00 R14: 00005647703b2390 R15: 00007fff61fd76a0
[ 61.974616]
[ 61.974908] Modules linked in:
[ 61.975491] ---[ end trace 0000000000000000 ]---
[ 61.976075] RIP: 0010:__rb_insert_augmented+0x9d/0x8b0
[ 61.976928] 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
[ 61.979318] RSP: 0018:ffff88801995f948 EFLAGS: 00010212
[ 61.980052] RAX: ffff8880193805d0 RBX: ffff888016f794c8 RCX: ffffffff844ce9f9
[ 61.980923] RDX: 00dba0262000000d RSI: 0000000000000008 RDI: ffff88800bbbe788
[ 61.981808] RBP: ffff8880102fae40 R08: ffff88800bbbe788 R09: 0000000000000000
[ 61.982680] R10: 0000000000000003 R11: 00000000000b6996 R12: ffff88800bbbe780
[ 61.983664] R13: dffffc0000000000 R14: 06dd013100000068 R15: ffffffff816e61c0
[ 61.984617] FS: 00007f3040510900(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000
[ 61.985665] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 61.986377] CR2: 00005647703941c0 CR3: 000000000eea0000 CR4: 0000000000350ee0
VM DIAGNOSIS:
22:42:55 Registers:
info registers vcpu 0
RAX=0000000000000000 RBX=dffffc0000000000 RCX=0000000000000000 RDX=ffff88800fb1d1c0
RSI=ffffffff811fc4d1 RDI=0000000000000001 RBP=ffffed1001f63a3d RSP=ffff88801bdcfe50
R8 =0000000000000001 R9 =0000000000000000 R10=0000000000000001 R11=00000000000b6996
R12=ffff88800fb1da38 R13=ffff88800fb1d1c0 R14=0000000000000001 R15=ffff888013a5a280
RIP=ffffffff814c081b 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 00007f0182bdd900 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=00007ffe98415000 CR3=0000000010090000 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=ffff888008c58400
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=00007f2976b5af10 CR3=000000000d7ac000 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=1a01ee4820fa64b17148f5f719784983
XMM02=000000000011e648ec2efd57dc4c00df XMM03=00000000001240e8af47785c9afc964f
XMM04=3a3b4b7b861b5ea800000000000ae988 XMM05=e4cb8bb95a7664b60000000000134630
XMM06=553566696f529f9c0000000000133498 XMM07=e042d86d42eb936e00000000001243c0
XMM08=af47785c9afc964f000000000011e6a8 XMM09=00000000000000000000000000000000
XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000
XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000
XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000