[ 23.534935] BUG: Bad rss-counter state mm:0000000066d0b73e type:MM_FILEPAGES val:33
[ 23.535583] BUG: Bad rss-counter state mm:0000000066d0b73e type:MM_ANONPAGES val:22
[[0;32m OK [0m] Started [0;1;39mGetty on tty6[0m.
[[0;32m OK [0m] Started [0;1;39mSerial Getty on ttyS0[0m.
[[0;32m OK [0m] Reached target [0;1;39mLogin Prompts[0m.
[[0;32m OK [0m] Reached target [0;1;39mMulti-User System[0m.
[[0;32m OK [0m] Reached target [0;1;39mGraphical Interface[0m.
Starting [0;1;39mUpdate UTMP about System Runlevel Changes[0m...
[ 23.698722] ==================================================================
[ 23.699461] BUG: KASAN: slab-use-after-free in vma_interval_tree_remove+0xc75/0xec0
[ 23.700251] Read of size 8 at addr ffff88800f2dcd08 by task sshd/220
[ 23.700897]
[ 23.701070] CPU: 0 PID: 220 Comm: sshd Not tainted 6.4.0-rc7-next-20230620 #1
[ 23.701788] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
[ 23.702573] Call Trace:
[ 23.702829]
[ 23.703055] dump_stack_lvl+0x91/0xf0
[ 23.703451] print_report+0xcc/0x620
[ 23.703837] ? __virt_addr_valid+0x102/0x340
[ 23.704283] ? vma_interval_tree_remove+0xc75/0xec0
[ 23.704779] ? vma_interval_tree_remove+0xc75/0xec0
[ 23.705274] kasan_report+0xbe/0xf0
[ 23.705680] ? vma_interval_tree_remove+0xc75/0xec0
[ 23.706207] vma_interval_tree_remove+0xc75/0xec0
[ 23.706694] vma_prepare+0xc54/0x11a0
[ 23.707081] __split_vma+0x5af/0x950
[ 23.707459] ? __pfx___split_vma+0x10/0x10
[ 23.707872] ? find_held_lock+0x2c/0x110
[ 23.708284] do_vmi_align_munmap+0x2ba/0x11f0
[ 23.708748] ? lock_is_held_type+0x9f/0x120
[ 23.709204] ? __pfx_do_vmi_align_munmap+0x10/0x10
[ 23.709827] ? mtree_range_walk+0x632/0x900
[ 23.710414] ? mas_walk+0x5c7/0x7c0
[ 23.710909] do_vmi_munmap+0x1f1/0x2b0
[ 23.711404] mmap_region+0x1f9/0x2660
[ 23.711886] ? vm_mmap_pgoff+0x15c/0x3a0
[ 23.712390] ? __pfx_arch_get_unmapped_area_topdown+0x10/0x10
[ 23.713094] ? __pfx_lock_acquire+0x10/0x10
[ 23.713566] ? __pfx_mmap_region+0x10/0x10
[[0;32m OK [[ 23.713998] ? security_mmap_addr+0x7d/0xa0
0m] Finished [0[ 23.714558] ? get_unmapped_area+0x1f5/0x3f0
;1;39mUpdate UTM[ 23.715083] do_mmap+0x854/0xf00
P about System R[ 23.715515] vm_mmap_pgoff+0x1a6/0x3a0
unlevel Changes[ 23.715958] ? __pfx_vm_mmap_pgoff+0x10/0x10
[0m.[ 23.716462] ksys_mmap_pgoff+0x3af/0x500
[ 23.716884] do_syscall_64+0x3f/0x90
[ 23.717290] entry_SYSCALL_64_after_hwframe+0x6e/0xd8
[ 23.717846] RIP: 0033:0x7efe6c137d82
[ 23.718251] 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
[ 23.719993] RSP: 002b:00007fff485e3858 EFLAGS: 00000206 ORIG_RAX: 0000000000000009
[ 23.721131] RAX: ffffffffffffffda RBX: 0000000000000812 RCX: 00007efe6c137d82
[ 23.722242] RDX: 0000000000000005 RSI: 0000000000001000 RDI: 00007efe6b571000
[ 23.723327] RBP: 00007efe6b571000 R08: 0000000000000009 R09: 0000000000001000
[ 23.723342] R10: 0000000000000812 R11: 0000000000000206 R12: 0000564013e32d90
[ 23.723357] R13: 00007fff485e3870 R14: 00007fff485e38a0 R15: 00007fff485e3c00
[ 23.723380]
[ 23.723386]
[ 23.723389] Allocated by task 205:
[ 23.723398] kasan_save_stack+0x22/0x50
[ 23.723431] kasan_set_track+0x25/0x30
[ 23.723461] __kasan_slab_alloc+0x59/0x70
[ 23.723494] kmem_cache_alloc+0x16b/0x370
[ 23.723520] vm_area_dup+0x20/0x160
[ 23.723541] __split_vma+0x170/0x950
[ 23.723564] split_vma+0xc6/0x110
[ 23.723587] mprotect_fixup+0x8d2/0xb30
[ 23.723617] do_mprotect_pkey+0x87e/0xd40
[ 23.723647] __x64_sys_mprotect+0x78/0xc0
[ 23.723677] do_syscall_64+0x3f/0x90
[ 23.723707] entry_SYSCALL_64_after_hwframe+0x6e/0xd8
[ 23.723742]
[ 23.723745] Freed by task 19:
[ 23.723753] kasan_save_stack+0x22/0x50
[ 23.723784] kasan_set_track+0x25/0x30
[ 23.723814] kasan_save_free_info+0x2b/0x50
[ 23.723839] __kasan_slab_free+0x10a/0x190
[ 23.723871] kmem_cache_free+0x10d/0x4d0
[ 23.723898] rcu_core+0x8c8/0x2860
[ 23.723918] __do_softirq+0x1b7/0x7d4
[ 23.723943]
[ 23.723946] Last potentially related work creation:
[ 23.723951] kasan_save_stack+0x22/0x50
[ 23.723982] __kasan_record_aux_stack+0x8e/0xa0
[ 23.724005] __call_rcu_common.constprop.0+0x6a/0xb90
[ 23.724040] remove_vma+0x139/0x170
[ 23.724058] do_vmi_align_munmap+0xd4a/0x11f0
[ 23.724083] do_vmi_munmap+0x1f1/0x2b0
[ 23.724107] __vm_munmap+0x138/0x3a0
[ 23.724132] __x64_sys_munmap+0x59/0x80
[ 23.724165] do_syscall_64+0x3f/0x90
[ 23.724202] entry_SYSCALL_64_after_hwframe+0x6e/0xd8
[ 23.724245]
[ 23.724249] The buggy address belongs to the object at ffff88800f2dccb0
[ 23.724249] which belongs to the cache vm_area_struct of size 168
[ 23.724270] The buggy address is located 88 bytes inside of
[ 23.724270] freed 168-byte region [ffff88800f2dccb0, ffff88800f2dcd58)
[ 23.724297]
[ 23.724302] The buggy address belongs to the physical page:
[ 23.724310] page:0000000038ca9b80 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0xf2dc
[ 23.724338] memcg:ffff88800fdff701
[ 23.724347] flags: 0x100000000000200(slab|node=0|zone=1)
[ 23.724367] page_type: 0xffffffff()
[ 23.724390] raw: 0100000000000200 ffff8880087a0c80 dead000000000122 0000000000000000
[ 23.724416] raw: 0000000000000000 0000000000110011 00000001ffffffff ffff88800fdff701
[ 23.724430] page dumped because: kasan: bad access detected
[ 23.724439]
[ 23.724443] Memory state around the buggy address:
[ 23.724454] ffff88800f2dcc00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc fc
[ 23.724471] ffff88800f2dcc80: fc fc fc fc fc fc fa fb fb fb fb fb fb fb fb fb
[ 23.724489] >ffff88800f2dcd00: fb fb fb fb fb fb fb fb fb fb fb fc fc fc fc fc
[ 23.724503] ^
[ 23.724522] ffff88800f2dcd80: fc fc fc fa fb fb fb fb fb fb fb fb fb fb fb fb
[ 23.724540] ffff88800f2dce00: fb fb fb fb fb fb fb fb fc fc fc fc fc fc fc fc
[ 23.724554] ==================================================================
[ 23.724719] Disabling lock debugging due to kernel taint
Debian GNU/Linux 11 syzkaller ttyS0
syzkaller login: [ 25.760215] BUG: Bad rss-counter state mm:00000000663dcbda type:MM_FILEPAGES val:33
[ 25.761764] BUG: Bad rss-counter state mm:00000000663dcbda type:MM_ANONPAGES val:22
[ 26.266155] BUG: Bad rss-counter state mm:0000000096979461 type:MM_FILEPAGES val:33
[ 26.267448] BUG: Bad rss-counter state mm:0000000096979461 type:MM_ANONPAGES val:22
Warning: Permanently added '[localhost]:33780' (ECDSA) to the list of known hosts.
[ 26.519625] general protection fault, probably for non-canonical address 0xe087bc2bc0000014: 0000 [#1] PREEMPT SMP KASAN NOPTI
[ 26.521090] KASAN: maybe wild-memory-access in range [0x043e015e000000a0-0x043e015e000000a7]
[ 26.522147] CPU: 1 PID: 238 Comm: sshd Tainted: G B 6.4.0-rc7-next-20230620 #1
[ 26.523242] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
[ 26.524275] RIP: 0010:__rb_insert_augmented+0x9d/0x8b0
[ 26.524980] 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
[ 26.527243] RSP: 0018:ffff88801ca07948 EFLAGS: 00010217
[ 26.527927] RAX: ffff8880193d0fb8 RBX: ffff88801b8722f8 RCX: ffffffff844d49f9
[ 26.528831] RDX: 0087c02bc0000014 RSI: 0000000000000008 RDI: ffff8880095bd008
[ 26.529726] RBP: ffff8880167740c0 R08: ffff8880095bd008 R09: 0000000000000000
[ 26.530646] R10: 0000000000000005 R11: 00000000000b6a61 R12: ffff8880095bd000
[ 26.531545] R13: dffffc0000000000 R14: 043e015e000000a5 R15: ffffffff816e6340
[ 26.532451] FS: 00007f7d5b9ea900(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000
[ 26.533471] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 26.534222] CR2: 000056541a81f1c0 CR3: 000000001a164000 CR4: 0000000000350ee0
[ 26.535233] Call Trace:
[ 26.535621]
[ 26.535949] ? die_addr+0x3c/0xa0
[ 26.536425] ? exc_general_protection+0x125/0x220
[ 26.537069] ? asm_exc_general_protection+0x26/0x30
[ 26.537763] ? __pfx_vma_interval_tree_augment_rotate+0x10/0x10
[ 26.538607] ? __rb_insert_augmented+0x5e9/0x8b0
[ 26.539245] ? __rb_insert_augmented+0x9d/0x8b0
[ 26.539893] ? __rb_insert_augmented+0x5e9/0x8b0
[ 26.540527] ? vma_interval_tree_insert_after+0x315/0x390
[ 26.541241] dup_mmap+0xc45/0x1770
[ 26.541727] ? __pfx_dup_mmap+0x10/0x10
[ 26.542289] ? __pfx_do_raw_spin_lock+0x10/0x10
[ 26.542913] ? _raw_spin_unlock_irqrestore+0x2c/0x50
[ 26.543567] ? trace_hardirqs_on+0x16/0x100
[ 26.544153] ? mm_init+0xb4a/0xe70
[ 26.544620] copy_process+0x3e68/0x7320
[ 26.545140] ? lock_acquire+0x434/0x4c0
[ 26.545672] ? __pfx_copy_process+0x10/0x10
[ 26.546252] ? expand_files+0x446/0x8e0
[ 26.546792] kernel_clone+0xeb/0x7d0
[ 26.547322] ? __pfx_kernel_clone+0x10/0x10
[ 26.547941] ? lock_acquire+0x434/0x4c0
[ 26.548500] ? lock_release+0x4d8/0x680
[ 26.549053] ? __pfx_lock_release+0x10/0x10
[ 26.549646] ? __pfx_lock_release+0x10/0x10
[ 26.550228] ? _raw_spin_unlock+0x1e/0x40
[ 26.550758] ? alloc_fd+0x2eb/0x760
[ 26.551260] __do_sys_clone+0xba/0x100
[ 26.551783] ? __pfx___do_sys_clone+0x10/0x10
[ 26.552374] ? fpregs_assert_state_consistent+0xbd/0xe0
[ 26.553072] do_syscall_64+0x3f/0x90
[ 26.553579] entry_SYSCALL_64_after_hwframe+0x6e/0xd8
[ 26.554265] RIP: 0033:0x7f7d5bea94bb
[ 26.554733] 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
[ 26.556963] RSP: 002b:00007fff3cf7dbc0 EFLAGS: 00000246 ORIG_RAX: 0000000000000038
[ 26.557899] RAX: ffffffffffffffda RBX: 000000000000e19c RCX: 00007f7d5bea94bb
[ 26.558791] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001200011
[ 26.559690] RBP: 0000000000000000 R08: 0000000000000000 R09: 00007f7d5b9ea900
[ 26.560578] R10: 00007f7d5b9eabd0 R11: 0000000000000246 R12: 0000000000000000
[ 26.561418] R13: 000056541a82cbd0 R14: 000056541a82f650 R15: 00007fff3cf7dc40
[ 26.562339]
[ 26.562644] Modules linked in:
[ 26.563393] ---[ end trace 0000000000000000 ]---
[ 26.564059] RIP: 0010:__rb_insert_augmented+0x9d/0x8b0
[ 26.564746] 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
[ 26.566999] RSP: 0018:ffff88801ca07948 EFLAGS: 00010217
[ 26.567661] RAX: ffff8880193d0fb8 RBX: ffff88801b8722f8 RCX: ffffffff844d49f9
[ 26.568549] RDX: 0087c02bc0000014 RSI: 0000000000000008 RDI: ffff8880095bd008
[ 26.569449] RBP: ffff8880167740c0 R08: ffff8880095bd008 R09: 0000000000000000
[ 26.570344] R10: 0000000000000005 R11: 00000000000b6a61 R12: ffff8880095bd000
[ 26.571256] R13: dffffc0000000000 R14: 043e015e000000a5 R15: ffffffff816e6340
[ 26.572158] FS: 00007f7d5b9ea900(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000
[ 26.573166] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 26.573899] CR2: 000056541a81f1c0 CR3: 000000001a164000 CR4: 0000000000350ee0
VM DIAGNOSIS:
14:00:13 Registers:
info registers vcpu 0
RAX=0000000000000000 RBX=ffff88801ca2faf8 RCX=0000000000000000 RDX=1ffff11003945f61
RSI=ffffffff844f63dd RDI=ffff88801ca2fb0a RBP=0000000000000012 RSP=ffff88801ca2fa58
R8 =0000000000000007 R9 =0000000000000002 R10=0000000000000000 R11=00000000000b6a61
R12=ffff88800889eec0 R13=ffff88800dac3b00 R14=0000000000000000 R15=ffff888008f7a798
RIP=ffffffff844f63f6 RFL=00000212 [----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 00007febf80a6900 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=00007fff7cd74000 CR3=0000000016e6a000 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=ffffffffffffffffffff000000000000 XMM01=000000000000003635006b6f6c6c756e
XMM02=62003d73646e756f7200323135616873 XMM03=5320444f4854454d5f54505952434e45
XMM04=40404040404040404040404040404040 XMM05=5a5a5a5a5a5a5a5a5a5a5a5a5a5a5a5a
XMM06=20202020202020202020202020202020 XMM07=00000000000000000000000000000000
XMM08=00000000000000000000000000202020 XMM09=ff0000ffffffffffff00000000ffffff
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=0000000000000001
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=00007fd766931000 CR3=000000000d7de000 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=2033313a30303a3431203032206e754a XMM01=73732878696e755f6d6170203a5d3932
XMM02=65736f6c63206e6f6973736573203a29 XMM03=755f6d6170203a5d3932325b64687373
XMM04=69662068637573206f4e203a656c6163 XMM05=3a656c696620766e65206e65706f206f
XMM06=65733a6468737328766e655f6d617020 XMM07=6b7a79732033313a30303a3431203032
XMM08=3d656e696c646d632022656369767265 XMM09=00000000000000000000000000000000
XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000
XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000
XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000