syzkaller login: [ 38.753726] BUG: Bad rss-counter state mm:00000000c6d3c315 type:MM_FILEPAGES val:33
[ 38.754948] BUG: Bad rss-counter state mm:00000000c6d3c315 type:MM_ANONPAGES val:22
[ 38.902980] ==================================================================
[ 38.903887] BUG: KASAN: slab-use-after-free in vma_interval_tree_remove+0xc75/0xec0
[ 38.904839] Read of size 8 at addr ffff888009a51798 by task sshd/220
[ 38.905604]
[ 38.905819] CPU: 1 PID: 220 Comm: sshd Not tainted 6.4.0-rc7-next-20230620 #1
[ 38.906858] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
[ 38.907843] Call Trace:
[ 38.908161]
[ 38.908506] dump_stack_lvl+0x91/0xf0
[ 38.909011] print_report+0xcc/0x620
[ 38.909506] ? __virt_addr_valid+0x102/0x340
[ 38.910060] ? vma_interval_tree_remove+0xc75/0xec0
[ 38.910688] ? vma_interval_tree_remove+0xc75/0xec0
[ 38.911308] kasan_report+0xbe/0xf0
[ 38.911779] ? vma_interval_tree_remove+0xc75/0xec0
[ 38.912408] vma_interval_tree_remove+0xc75/0xec0
[ 38.913003] vma_prepare+0xc54/0x11a0
[ 38.913479] __split_vma+0x5af/0x950
[ 38.913955] ? __pfx___split_vma+0x10/0x10
[ 38.914487] ? find_held_lock+0x2c/0x110
[ 38.915004] do_vmi_align_munmap+0x2ba/0x11f0
[ 38.915564] ? lock_is_held_type+0x9f/0x120
[ 38.916096] ? __pfx_do_vmi_align_munmap+0x10/0x10
[ 38.916721] ? mtree_range_walk+0x632/0x900
[ 38.917277] ? mas_walk+0x5c7/0x7c0
[ 38.917758] do_vmi_munmap+0x1f1/0x2b0
[ 38.918242] mmap_region+0x1f9/0x2660
[ 38.918722] ? vm_mmap_pgoff+0x15c/0x3a0
[ 38.919233] ? __pfx_arch_get_unmapped_area_topdown+0x10/0x10
[ 38.919965] ? __pfx_lock_acquire+0x10/0x10
[ 38.920506] ? __pfx_mmap_region+0x10/0x10
[ 38.921033] ? security_mmap_addr+0x7d/0xa0
[ 38.921562] ? get_unmapped_area+0x1f5/0x3f0
[ 38.922105] do_mmap+0x854/0xf00
[ 38.922543] vm_mmap_pgoff+0x1a6/0x3a0
[ 38.923038] ? __pfx_vm_mmap_pgoff+0x10/0x10
[ 38.923606] ksys_mmap_pgoff+0x3af/0x500
[ 38.924123] do_syscall_64+0x3f/0x90
[ 38.924613] entry_SYSCALL_64_after_hwframe+0x6e/0xd8
[ 38.925265] RIP: 0033:0x7f527b06bd82
[ 38.925727] 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
[ 38.927865] RSP: 002b:00007ffdf6c5a948 EFLAGS: 00000206 ORIG_RAX: 0000000000000009
[ 38.928803] RAX: ffffffffffffffda RBX: 0000000000000812 RCX: 00007f527b06bd82
[ 38.929639] RDX: 0000000000000005 RSI: 0000000000001000 RDI: 00007f527a4a5000
[ 38.930482] RBP: 00007f527a4a5000 R08: 0000000000000009 R09: 0000000000001000
[ 38.931370] R10: 0000000000000812 R11: 0000000000000206 R12: 00005609a87cdf70
[ 38.932247] R13: 00007ffdf6c5a960 R14: 00007ffdf6c5a990 R15: 00007ffdf6c5acf0
[ 38.933121]
[ 38.933411]
[ 38.933626] Allocated by task 213:
[ 38.934059] kasan_save_stack+0x22/0x50
[ 38.934573] kasan_set_track+0x25/0x30
[ 38.935073] __kasan_slab_alloc+0x59/0x70
[ 38.935592] kmem_cache_alloc+0x16b/0x370
[ 38.936107] vm_area_dup+0x20/0x160
[ 38.936568] __split_vma+0x170/0x950
[ 38.937043] split_vma+0xc6/0x110
[ 38.937488] mprotect_fixup+0x8d2/0xb30
[ 38.937986] do_mprotect_pkey+0x87e/0xd40
[ 38.938497] __x64_sys_mprotect+0x78/0xc0
[ 38.939007] do_syscall_64+0x3f/0x90
[ 38.939477] entry_SYSCALL_64_after_hwframe+0x6e/0xd8
[ 38.940114]
[ 38.940343] Freed by task 19:
[ 38.940734] kasan_save_stack+0x22/0x50
[ 38.941233] kasan_set_track+0x25/0x30
[ 38.941723] kasan_save_free_info+0x2b/0x50
[ 38.942256] __kasan_slab_free+0x10a/0x190
[ 38.942786] kmem_cache_free+0x10d/0x4d0
[ 38.943303] rcu_core+0x8c8/0x2860
[ 38.943750] __do_softirq+0x1b7/0x7d4
[ 38.944232]
[ 38.944453] Last potentially related work creation:
[ 38.945032] kasan_save_stack+0x22/0x50
[ 38.945532] __kasan_record_aux_stack+0x8e/0xa0
[ 38.946096] __call_rcu_common.constprop.0+0x6a/0xb90
[ 38.946737] remove_vma+0x139/0x170
[ 38.947188] do_vmi_align_munmap+0xd4a/0x11f0
[ 38.947736] do_vmi_munmap+0x1f1/0x2b0
[ 38.948363] __vm_munmap+0x138/0x3a0
[ 38.948827] __x64_sys_munmap+0x59/0x80
[ 38.949319] do_syscall_64+0x3f/0x90
[ 38.949791] entry_SYSCALL_64_after_hwframe+0x6e/0xd8
[ 38.950429]
[ 38.950642] Second to last potentially related work creation:
[ 38.951329] kasan_save_stack+0x22/0x50
[ 38.951831] __kasan_record_aux_stack+0x8e/0xa0
[ 38.952410] __call_rcu_common.constprop.0+0x6a/0xb90
[ 38.953049] remove_vma+0x139/0x170
[ 38.953497] do_vmi_align_munmap+0xd4a/0x11f0
[ 38.954057] do_vmi_munmap+0x1f1/0x2b0
[ 38.954537] mmap_region+0x1f9/0x2660
[ 38.955009] do_mmap+0x854/0xf00
[ 38.955435] vm_mmap_pgoff+0x1a6/0x3a0
[ 38.955919] ksys_mmap_pgoff+0x3af/0x500
[ 38.956424] do_syscall_64+0x3f/0x90
[ 38.956900] entry_SYSCALL_64_after_hwframe+0x6e/0xd8
[ 38.957539]
[ 38.957753] The buggy address belongs to the object at ffff888009a51740
[ 38.957753] which belongs to the cache vm_area_struct of size 168
[ 38.959219] The buggy address is located 88 bytes inside of
[ 38.959219] freed 168-byte region [ffff888009a51740, ffff888009a517e8)
[ 38.960618]
[ 38.960832] The buggy address belongs to the physical page:
[ 38.961485] page:000000003cffc2ef refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x9a51
[ 38.962556] memcg:ffff88800f084901
[ 38.962988] anon flags: 0x100000000000200(slab|node=0|zone=1)
[ 38.963684] page_type: 0xffffffff()
[ 38.964149] raw: 0100000000000200 ffff8880087a0c80 ffffea00002abb40 dead000000000003
[ 38.965076] raw: 0000000000000000 0000000000110011 00000001ffffffff ffff88800f084901
[ 38.965975] page dumped because: kasan: bad access detected
[ 38.966644]
[ 38.966864] Memory state around the buggy address:
[ 38.967450] ffff888009a51680: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
[ 38.968340] ffff888009a51700: fc fc fc fc fc fc fc fc fa fb fb fb fb fb fb fb
[ 38.969196] >ffff888009a51780: fb fb fb fb fb fb fb fb fb fb fb fb fb fc fc fc
[ 38.970042] ^
[ 38.970531] ffff888009a51800: fc fc fc fc fc 00 00 00 00 00 00 00 00 00 00 00
[ 38.971389] ffff888009a51880: 00 00 00 00 00 00 00 00 00 00 fc fc fc fc fc fc
[ 38.972244] ==================================================================
[ 38.973246] Disabling lock debugging due to kernel taint
[ 41.731273] BUG: Bad rss-counter state mm:0000000040539bd1 type:MM_FILEPAGES val:33
[ 41.732327] BUG: Bad rss-counter state mm:0000000040539bd1 type:MM_ANONPAGES val:22
[ 42.297762] BUG: Bad rss-counter state mm:00000000983ef950 type:MM_FILEPAGES val:33
[ 42.299064] BUG: Bad rss-counter state mm:00000000983ef950 type:MM_ANONPAGES val:22
Warning: Permanently added '[localhost]:64736' (ECDSA) to the list of known hosts.
[ 42.481112] general protection fault, probably for non-canonical address 0xe0b6bc2d00000017: 0000 [#1] PREEMPT SMP KASAN NOPTI
[ 42.482528] KASAN: maybe wild-memory-access in range [0x05b60168000000b8-0x05b60168000000bf]
[ 42.483559] CPU: 0 PID: 240 Comm: sshd Tainted: G B 6.4.0-rc7-next-20230620 #1
[ 42.484617] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
[ 42.485615] RIP: 0010:__rb_insert_augmented+0x9d/0x8b0
[ 42.486299] 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
[ 42.488474] RSP: 0018:ffff88800e897948 EFLAGS: 00010217
[ 42.489111] RAX: ffff888018bf4b28 RBX: ffff88800fdb8950 RCX: ffffffff844d49f9
[ 42.489958] RDX: 00b6c02d00000017 RSI: 0000000000000008 RDI: ffff88800f16e008
[ 42.490804] RBP: ffff888016fde5c0 R08: ffff88800f16e008 R09: 0000000000000000
[ 42.491644] R10: 0000000000000003 R11: 00000000000b6a61 R12: ffff88800f16e000
[ 42.492509] R13: dffffc0000000000 R14: 05b60168000000bc R15: ffffffff816e6340
[ 42.493354] FS: 00007f6395778900(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000
[ 42.494301] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 42.494989] CR2: 00005612641d51c0 CR3: 000000000d700000 CR4: 0000000000350ef0
[ 42.495827] Call Trace:
[ 42.496140]
[ 42.496443] ? die_addr+0x3c/0xa0
[ 42.496879] ? exc_general_protection+0x125/0x220
[ 42.497486] ? asm_exc_general_protection+0x26/0x30
[ 42.498114] ? __pfx_vma_interval_tree_augment_rotate+0x10/0x10
[ 42.498846] ? __rb_insert_augmented+0x5e9/0x8b0
[ 42.499436] ? __rb_insert_augmented+0x9d/0x8b0
[ 42.500023] ? __rb_insert_augmented+0x5e9/0x8b0
[ 42.500647] ? vma_interval_tree_insert_after+0x315/0x390
[ 42.501320] dup_mmap+0xc45/0x1770
[ 42.501778] ? __pfx_dup_mmap+0x10/0x10
[ 42.502272] ? __pfx_do_raw_spin_lock+0x10/0x10
[ 42.502866] ? _raw_spin_unlock_irqrestore+0x2c/0x50
[ 42.503489] ? trace_hardirqs_on+0x16/0x100
[ 42.504038] ? mm_init+0xb4a/0xe70
[ 42.504502] copy_process+0x3e68/0x7320
[ 42.504989] ? lock_acquire+0x434/0x4c0
[ 42.505497] ? __pfx_copy_process+0x10/0x10
[ 42.506059] ? expand_files+0x446/0x8e0
[ 42.506582] kernel_clone+0xeb/0x7d0
[ 42.507066] ? __pfx_kernel_clone+0x10/0x10
[ 42.507608] ? lock_acquire+0x434/0x4c0
[ 42.508113] ? lock_release+0x4d8/0x680
[ 42.508630] ? __pfx_lock_release+0x10/0x10
[ 42.509176] ? __pfx_lock_release+0x10/0x10
[ 42.509727] ? _raw_spin_unlock+0x1e/0x40
[ 42.510252] ? alloc_fd+0x2eb/0x760
[ 42.510745] __do_sys_clone+0xba/0x100
[ 42.511244] ? __pfx___do_sys_clone+0x10/0x10
[ 42.511824] ? fpregs_assert_state_consistent+0xbd/0xe0
[ 42.512512] do_syscall_64+0x3f/0x90
[ 42.513000] entry_SYSCALL_64_after_hwframe+0x6e/0xd8
[ 42.513659] RIP: 0033:0x7f6395c374bb
[ 42.514126] 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
[ 42.516312] RSP: 002b:00007ffe5d23f970 EFLAGS: 00000246 ORIG_RAX: 0000000000000038
[ 42.517240] RAX: ffffffffffffffda RBX: 00000000000086ae RCX: 00007f6395c374bb
[ 42.518109] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001200011
[ 42.518971] RBP: 0000000000000000 R08: 0000000000000000 R09: 00007f6395778900
[ 42.519836] R10: 00007f6395778bd0 R11: 0000000000000246 R12: 0000000000000000
[ 42.520708] R13: 00005612641e2bd0 R14: 00005612641e5650 R15: 00007ffe5d23f9f0
[ 42.521584]
[ 42.521880] Modules linked in:
[ 42.522620] ---[ end trace 0000000000000000 ]---
[ 42.523218] RIP: 0010:__rb_insert_augmented+0x9d/0x8b0
[ 42.524066] 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
[ 42.526472] RSP: 0018:ffff88800e897948 EFLAGS: 00010217
[ 42.527148] RAX: ffff888018bf4b28 RBX: ffff88800fdb8950 RCX: ffffffff844d49f9
[ 42.528188] RDX: 00b6c02d00000017 RSI: 0000000000000008 RDI: ffff88800f16e008
[ 42.529123] RBP: ffff888016fde5c0 R08: ffff88800f16e008 R09: 0000000000000000
[ 42.530010] R10: 0000000000000003 R11: 00000000000b6a61 R12: ffff88800f16e000
[ 42.530907] R13: dffffc0000000000 R14: 05b60168000000bc R15: ffffffff816e6340
[ 42.531808] FS: 00007f6395778900(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000
[ 42.532844] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 42.533591] CR2: 00005612641d51c0 CR3: 000000000d700000 CR4: 0000000000350ef0
VM DIAGNOSIS:
18:59:18 Registers:
info registers vcpu 0
RAX=0000000000000000 RBX=0000000000000001 RCX=ffffffff861386fa RDX=0000000000000000
RSI=0000000000000001 RDI=0000000000000001 RBP=ffff8880167c7a38 RSP=ffff8880167c7970
R8 =ffffffff861386fe R9 =ffff8880167c7a20 R10=0000000000038001 R11=0000000000020c51
R12=ffff8880167c7a40 R13=ffff8880167c7a28 R14=ffff8880167c7a21 R15=ffff8880167c79e0
RIP=ffffffff81130ad6 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 00007f202529c900 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=00007f2025851650 CR3=000000000ee3c000 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=000000000000000000000000000000ff
XMM02=000000000000000000000000000000ff XMM03=5320444f4854454d5f54505952434e45
XMM04=40404040404040404040404040404040 XMM05=5a5a5a5a5a5a5a5a5a5a5a5a5a5a5a5a
XMM06=20202020202020202020202020202020 XMM07=00000000000000000000000000000000
XMM08=ffbc64ffffbc44ffffbc34ffffbc9f00 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=00007ffe672ae368 CR3=000000000f678000 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=39353a3831203032206e754a3e38333c XMM01=6d6f72662064657463656e6e6f637369
XMM02=2e303120746f6f722072657375206d6f XMM03=3a5d3133325b646873732037313a3935
XMM04=6456774875434142334f726f59427469 XMM05=485320415352203a3268737320343734
XMM06=206d6f726620746f6f7220726f662079 XMM07=00000000000000000000000000000000
XMM08=3a677562656420676f6c737973720000 XMM09=00000000000000000000000000000000
XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000
XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000
XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000