[ 35.732602] BUG: Bad rss-counter state mm:00000000d3bc5cd3 type:MM_FILEPAGES val:33
[ 35.733110] BUG: Bad rss-counter state mm:00000000d3bc5cd3 type:MM_ANONPAGES val:22
[[0;32m OK [0m] Finished [0;1;39mUpdate UTMP about System Runlevel Changes[0m.
[ 36.026945] ==================================================================
[ 36.027597] BUG: KASAN: slab-use-after-free in vma_interval_tree_remove+0xc75/0xec0
[ 36.028267] Read of size 8 at addr ffff888019ec9d08 by task sshd/220
[ 36.028814]
[ 36.028970] CPU: 1 PID: 220 Comm: sshd Not tainted 6.4.0-rc7-next-20230619 #1
[ 36.029579] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
[ 36.030263] Call Trace:
[ 36.030493]
[ 36.030698] dump_stack_lvl+0x91/0xf0
[ 36.031174] print_report+0xcc/0x620
[ 36.031524] ? __virt_addr_valid+0x102/0x340
[ 36.031916] ? vma_interval_tree_remove+0xc75/0xec0
[ 36.032354] ? vma_interval_tree_remove+0xc75/0xec0
[ 36.032786] kasan_report+0xbe/0xf0
[ 36.033123] ? vma_interval_tree_remove+0xc75/0xec0
[ 36.033562] vma_interval_tree_remove+0xc75/0xec0
[ 36.034010] vma_prepare+0xc54/0x11a0
[ 36.034299] __split_vma+0x5af/0x950
[ 36.034539] ? __pfx___split_vma+0x10/0x10
[ 36.034807] ? find_held_lock+0x2c/0x110
[ 36.035072] do_vmi_align_munmap+0x2ba/0x11f0
[ 36.035357] ? lock_is_held_type+0x9f/0x120
[ 36.035629] ? __pfx_do_vmi_align_munmap+0x10/0x10
[ 36.035935] ? mtree_range_walk+0x632/0x900
[ 36.036217] ? mas_walk+0x5c7/0x7c0
[ 36.036459] do_vmi_munmap+0x1f1/0x2b0
[ 36.036711] mmap_region+0x1f9/0x2660
[ 36.036954] ? vm_mmap_pgoff+0x15c/0x3a0
[ 36.037215] ? __pfx_arch_get_unmapped_area_topdown+0x10/0x10
[ 36.037577] ? __pfx_lock_acquire+0x10/0x10
[ 36.037854] ? __pfx_mmap_region+0x10/0x10
[ 36.038123] ? security_mmap_addr+0x7d/0xa0
[ 36.038393] ? get_unmapped_area+0x1f5/0x3f0
[ 36.038670] do_mmap+0x854/0xf00
[ 36.038896] vm_mmap_pgoff+0x1a6/0x3a0
[ 36.039145] ? __pfx_vm_mmap_pgoff+0x10/0x10
[ 36.039434] ksys_mmap_pgoff+0x3af/0x500
[ 36.039691] do_syscall_64+0x3f/0x90
[ 36.039939] entry_SYSCALL_64_after_hwframe+0x6e/0xd8
[ 36.040267] RIP: 0033:0x7ff94be1ed82
[ 36.040500] 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
[ 36.041566] RSP: 002b:00007ffd9c07b148 EFLAGS: 00000206 ORIG_RAX: 0000000000000009
[ 36.042026] RAX: ffffffffffffffda RBX: 0000000000000812 RCX: 00007ff94be1ed82
[ 36.042459] RDX: 0000000000000005 RSI: 0000000000001000 RDI: 00007ff94b258000
[ 36.042888] RBP: 00007ff94b258000 R08: 0000000000000009 R09: 0000000000001000
[ 36.043314] R10: 0000000000000812 R11: 0000000000000206 R12: 00005559ddd21ec0
[ 36.043743] R13: 00007ffd9c07b160 R14: 00007ffd9c07b190 R15: 00007ffd9c07b4f0
[ 36.044177]
[ 36.044332]
[ 36.044441] Allocated by task 206:
[ 36.044661] kasan_save_stack+0x22/0x50
[ 36.044916] kasan_set_track+0x25/0x30
[ 36.045168] __kasan_slab_alloc+0x59/0x70
[ 36.045436] kmem_cache_alloc+0x16b/0x370
[ 36.045710] vm_area_dup+0x20/0x160
[ 36.045945] __split_vma+0x170/0x950
[ 36.046179] split_vma+0xc6/0x110
[ 36.046405] mprotect_fixup+0x8d2/0xb30
[ 36.046660] do_mprotect_pkey+0x87e/0xd40
[ 36.046925] __x64_sys_mprotect+0x78/0xc0
[ 36.047188] do_syscall_64+0x3f/0x90
[ 36.047431] entry_SYSCALL_64_after_hwframe+0x6e/0xd8
[ 36.047756]
[ 36.047867] Freed by task 203:
[ 36.048069] kasan_save_stack+0x22/0x50
[ 36.048329] kasan_set_track+0x25/0x30
[ 36.048582] kasan_save_free_info+0x2b/0x50
[ 36.048855] __kasan_slab_free+0x10a/0x190
[ 36.049127] kmem_cache_free+0x10d/0x4d0
[ 36.049386] rcu_core+0x8c8/0x2860
[ 36.049612] __do_softirq+0x1b7/0x7d4
[ 36.049865]
[ 36.049974] Last potentially related work creation:
[ 36.050273] kasan_save_stack+0x22/0x50
[ 36.050529] __kasan_record_aux_stack+0x8e/0xa0
[ 36.050820] __call_rcu_common.constprop.0+0x6a/0xb90
[ 36.051146] remove_vma+0x139/0x170
[ 36.051376] do_vmi_align_munmap+0xd4a/0x11f0
[ 36.051662] do_vmi_munmap+0x1f1/0x2b0
[ 36.051911] __vm_munmap+0x138/0x3a0
[ 36.052153] __x64_sys_munmap+0x59/0x80
[ 36.052407] do_syscall_64+0x3f/0x90
[ 36.052647] entry_SYSCALL_64_after_hwframe+0x6e/0xd8
[ 36.052974]
[ 36.053084] The buggy address belongs to the object at ffff888019ec9cb0
[ 36.053084] which belongs to the cache vm_area_struct of size 168
[ 36.053831] The buggy address is located 88 bytes inside of
[ 36.053831] freed 168-byte region [ffff888019ec9cb0, ffff888019ec9d58)
[ 36.054540]
[ 36.054650] The buggy address belongs to the physical page:
[ 36.054989] page:00000000aef3c6a4 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x19ec9
[ 36.055544] memcg:ffff888019eba301
[ 36.055760] flags: 0x100000000000200(slab|node=0|zone=1)
[ 36.056086] page_type: 0xffffffff()
[ 36.056316] raw: 0100000000000200 ffff88800879fc80 dead000000000122 0000000000000000
[ 36.056778] raw: 0000000000000000 0000000000110011 00000001ffffffff ffff888019eba301
[ 36.057237] page dumped because: kasan: bad access detected
[ 36.057573]
[ 36.057692] Memory state around the buggy address:
[ 36.057987] ffff888019ec9c00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc fc
[ 36.058418] ffff888019ec9c80: fc fc fc fc fc fc fa fb fb fb fb fb fb fb fb fb
[ 36.058853] >ffff888019ec9d00: fb fb fb fb fb fb fb fb fb fb fb fc fc fc fc fc
[ 36.059283] ^
[ 36.059509] ffff888019ec9d80: fc fc fc fa fb fb fb fb fb fb fb fb fb fb fb fb
[ 36.059943] ffff888019ec9e00: fb fb fb fb fb fb fb fb fc fc fc fc fc fc fc fc
[ 36.060377] ==================================================================
[ 36.060850] Disabling lock debugging due to kernel taint
Debian GNU/Linux 11 syzkaller ttyS0
syzkaller login: [ 38.059699] BUG: Bad rss-counter state mm:000000006ac60708 type:MM_FILEPAGES val:33
[ 38.060870] BUG: Bad rss-counter state mm:000000006ac60708 type:MM_ANONPAGES val:22
[ 38.456807] BUG: Bad rss-counter state mm:000000001ae40f64 type:MM_FILEPAGES val:33
[ 38.457998] BUG: Bad rss-counter state mm:000000001ae40f64 type:MM_ANONPAGES val:22
Warning: Permanently added '[localhost]:23395' (ECDSA) to the list of known hosts.
[ 38.566061] general protection fault, probably for non-canonical address 0xdffffc0000000001: 0000 [#1] PREEMPT SMP KASAN NOPTI
[ 38.567561] KASAN: null-ptr-deref in range [0x0000000000000008-0x000000000000000f]
[ 38.568410] CPU: 1 PID: 237 Comm: sshd Tainted: G B 6.4.0-rc7-next-20230619 #1
[ 38.569374] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
[ 38.570325] RIP: 0010:__rb_insert_augmented+0x78/0x8b0
[ 38.570943] Code: ea 48 c1 ea 03 42 80 3c 2a 00 0f 85 65 05 00 00 4c 8b 65 00 41 f6 c4 01 0f 85 18 05 00 00 4d 8d 44 24 08 4c 89 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
[ 38.572938] RSP: 0018:ffff888016c478a8 EFLAGS: 00010212
[ 38.573593] RAX: ffff888018ecad70 RBX: ffff88800fe75b20 RCX: ffffffff844ce9df
[ 38.574470] RDX: 0000000000000001 RSI: 0000000000000008 RDI: ffff888019ed6c08
[ 38.575330] RBP: ffff888019ed6c08 R08: 0000000000000008 R09: 0000000000000000
[ 38.576190] R10: 0000000000000000 R11: 00000000000b6996 R12: 0000000000000000
[ 38.577045] R13: dffffc0000000000 R14: ffff888016c47988 R15: ffffffff816e61c0
[ 38.577922] FS: 00007fa9fcb72900(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000
[ 38.578889] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 38.579590] CR2: 00007fa9fcb39000 CR3: 000000000ebd2000 CR4: 0000000000350ee0
[ 38.580455] Call Trace:
[ 38.580777]
[ 38.581062] ? die_addr+0x3c/0xa0
[ 38.581501] ? exc_general_protection+0x125/0x220
[ 38.582175] ? asm_exc_general_protection+0x26/0x30
[ 38.582808] ? __pfx_vma_interval_tree_augment_rotate+0x10/0x10
[ 38.583554] ? __rb_insert_augmented+0x5cf/0x8b0
[ 38.584150] ? __rb_insert_augmented+0x78/0x8b0
[ 38.584737] ? __rb_insert_augmented+0x5cf/0x8b0
[ 38.585341] vma_prepare+0xa1a/0x11a0
[ 38.585861] __split_vma+0x5af/0x950
[ 38.586337] ? __pfx___split_vma+0x10/0x10
[ 38.586876] ? lock_acquire+0x434/0x4c0
[ 38.587379] do_vmi_align_munmap+0x361/0x11f0
[ 38.587949] ? __pfx_do_vmi_align_munmap+0x10/0x10
[ 38.588562] ? mtree_range_walk+0x632/0x900
[ 38.589113] ? mas_walk+0x5c7/0x7c0
[ 38.589591] do_vmi_munmap+0x1f1/0x2b0
[ 38.590113] mmap_region+0x1f9/0x2660
[ 38.590601] ? __pfx_arch_get_unmapped_area_topdown+0x10/0x10
[ 38.591321] ? __pfx_lock_acquire+0x10/0x10
[ 38.591860] ? __pfx_mmap_region+0x10/0x10
[ 38.592394] ? security_mmap_addr+0x7d/0xa0
[ 38.592934] ? get_unmapped_area+0x1f5/0x3f0
[ 38.593492] do_mmap+0x854/0xf00
[ 38.593965] vm_mmap_pgoff+0x1a6/0x3a0
[ 38.594460] ? __pfx_vm_mmap_pgoff+0x10/0x10
[ 38.595014] ksys_mmap_pgoff+0x3af/0x500
[ 38.595517] do_syscall_64+0x3f/0x90
[ 38.596000] entry_SYSCALL_64_after_hwframe+0x6e/0xd8
[ 38.596645] RIP: 0033:0x7fa9fd704d82
[ 38.597105] 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
[ 38.599272] RSP: 002b:00007ffc7711ad08 EFLAGS: 00000206 ORIG_RAX: 0000000000000009
[ 38.600184] RAX: ffffffffffffffda RBX: 0000000000000812 RCX: 00007fa9fd704d82
[ 38.601037] RDX: 0000000000000005 RSI: 0000000000001000 RDI: 00007fa9fcb34000
[ 38.601908] RBP: 00007fa9fcb34000 R08: 0000000000000008 R09: 0000000000001000
[ 38.602757] R10: 0000000000000812 R11: 0000000000000206 R12: 0000556ae4f5c800
[ 38.603606] R13: 00007ffc7711ad20 R14: 00007ffc7711ad50 R15: 00007ffc7711b0b0
[ 38.604466]
[ 38.604760] Modules linked in:
[ 38.605220] ---[ end trace 0000000000000000 ]---
[ 38.605849] RIP: 0010:__rb_insert_augmented+0x78/0x8b0
[ 38.606506] Code: ea 48 c1 ea 03 42 80 3c 2a 00 0f 85 65 05 00 00 4c 8b 65 00 41 f6 c4 01 0f 85 18 05 00 00 4d 8d 44 24 08 4c 89 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
[ 38.608968] RSP: 0018:ffff888016c478a8 EFLAGS: 00010212
[ 38.609604] RAX: ffff888018ecad70 RBX: ffff88800fe75b20 RCX: ffffffff844ce9df
[ 38.610893] RDX: 0000000000000001 RSI: 0000000000000008 RDI: ffff888019ed6c08
[ 38.611999] RBP: ffff888019ed6c08 R08: 0000000000000008 R09: 0000000000000000
[ 38.612982] R10: 0000000000000000 R11: 00000000000b6996 R12: 0000000000000000
[ 38.613996] R13: dffffc0000000000 R14: ffff888016c47988 R15: ffffffff816e61c0
[ 38.614943] FS: 00007fa9fcb72900(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000
[ 38.615909] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 38.616606] CR2: 00007fa9fcb39000 CR3: 000000000ebd2000 CR4: 0000000000350ee0
VM DIAGNOSIS:
23:35:53 Registers:
info registers vcpu 0
RAX=dffffc0000000000 RBX=ffffffff8180c522 RCX=ffffffff860d6801 RDX=1ffff11003009e9a
RSI=0000000000000000 RDI=ffffffff8180c522 RBP=ffffffff8180c522 RSP=ffff88801804f420
R8 =ffffffff860d68fa R9 =ffff88801804f4b8 R10=0000000000038001 R11=0000000000010b7e
R12=ffff88801804f540 R13=0000000000000000 R14=ffff8880159a8000 R15=0000000000092c40
RIP=ffffffff811fc6f7 RFL=00000292 [--S-A--] 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 00007f59cb5eb700 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=00007ffeb4eda000 CR3=0000000016e4c000 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=2035303a36333a3332203931206e754a XMM01=73732878696e755f6d6170203a5d3832
XMM02=65736f6c63206e6f6973736573203a29 XMM03=755f6d6170203a5d3832325b64687373
XMM04=69662068637573206f4e203a656c6163 XMM05=3a656c696620766e65206e65706f206f
XMM06=65733a6468737328766e655f6d617020 XMM07=6b7a79732035303a36333a3332203931
XMM08=3d656e696c646d632022656369767265 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=0000000000000001
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=00007fedc358c1d0 CR3=000000000cc6a000 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=d02be36581280f97984d99cc4e8fcda3
XMM02=2c67c8bc2e329bc3000000000011c6d0 XMM03=fb795ef6d6577056000000000011f2c8
XMM04=a5a08ff3006d63a200000000000ae988 XMM05=dfcdbad4f1609c3700000000001328d8
XMM06=f5c97fc6fa94598f0000000000131348 XMM07=e042d86d42eb936e000000000011f548
XMM08=c9f50728a87d4b0e000000000011c730 XMM09=00000000000000000000000000000000
XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000
XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000
XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000