syzkaller login: [ 30.584467] BUG: Bad rss-counter state mm:00000000883b7e58 type:MM_FILEPAGES val:33
[ 30.585974] BUG: Bad rss-counter state mm:00000000883b7e58 type:MM_ANONPAGES val:22
[ 30.748481] ==================================================================
[ 30.749457] BUG: KASAN: slab-use-after-free in vma_interval_tree_remove+0xc75/0xec0
[ 30.750398] Read of size 8 at addr ffff88800e127880 by task sshd/221
[ 30.751164]
[ 30.751386] CPU: 1 PID: 221 Comm: sshd Not tainted 6.4.0-rc7-next-20230620 #1
[ 30.752252] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
[ 30.753247] Call Trace:
[ 30.753572]
[ 30.753855] dump_stack_lvl+0x91/0xf0
[ 30.754352] print_report+0xcc/0x620
[ 30.754841] ? __virt_addr_valid+0x102/0x340
[ 30.755400] ? vma_interval_tree_remove+0xc75/0xec0
[ 30.756024] ? vma_interval_tree_remove+0xc75/0xec0
[ 30.756662] kasan_report+0xbe/0xf0
[ 30.757144] ? vma_interval_tree_remove+0xc75/0xec0
[ 30.757770] vma_interval_tree_remove+0xc75/0xec0
[ 30.758378] vma_prepare+0xc54/0x11a0
[ 30.758864] __split_vma+0x5af/0x950
[ 30.759346] ? __pfx___split_vma+0x10/0x10
[ 30.759882] ? find_held_lock+0x2c/0x110
[ 30.760428] do_vmi_align_munmap+0x2ba/0x11f0
[ 30.761001] ? lock_is_held_type+0x9f/0x120
[ 30.761557] ? __pfx_do_vmi_align_munmap+0x10/0x10
[ 30.762175] ? mtree_range_walk+0x632/0x900
[ 30.762734] ? mas_walk+0x5c7/0x7c0
[ 30.763214] do_vmi_munmap+0x1f1/0x2b0
[ 30.763714] mmap_region+0x1f9/0x2660
[ 30.764201] ? vm_mmap_pgoff+0x15c/0x3a0
[ 30.764745] ? __pfx_arch_get_unmapped_area_topdown+0x10/0x10
[ 30.765466] ? __pfx_lock_acquire+0x10/0x10
[ 30.765998] ? __pfx_mmap_region+0x10/0x10
[ 30.766540] ? security_mmap_addr+0x7d/0xa0
[ 30.767072] ? get_unmapped_area+0x1f5/0x3f0
[ 30.767636] do_mmap+0x854/0xf00
[ 30.768074] vm_mmap_pgoff+0x1a6/0x3a0
[ 30.768586] ? __pfx_vm_mmap_pgoff+0x10/0x10
[ 30.769159] ksys_mmap_pgoff+0x3af/0x500
[ 30.769677] do_syscall_64+0x3f/0x90
[ 30.770164] entry_SYSCALL_64_after_hwframe+0x6e/0xd8
[ 30.770816] RIP: 0033:0x7fc6c1dabd82
[ 30.771284] 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
[ 30.773408] RSP: 002b:00007fffc97193b8 EFLAGS: 00000206 ORIG_RAX: 0000000000000009
[ 30.774309] RAX: ffffffffffffffda RBX: 0000000000000812 RCX: 00007fc6c1dabd82
[ 30.775181] RDX: 0000000000000005 RSI: 0000000000001000 RDI: 00007fc6c11e5000
[ 30.776044] RBP: 00007fc6c11e5000 R08: 0000000000000009 R09: 0000000000001000
[ 30.776940] R10: 0000000000000812 R11: 0000000000000206 R12: 000055e46d60bec0
[ 30.777820] R13: 00007fffc97193d0 R14: 00007fffc9719400 R15: 00007fffc9719760
[ 30.778726]
[ 30.779027]
[ 30.779245] Allocated by task 214:
[ 30.779680] kasan_save_stack+0x22/0x50
[ 30.780207] kasan_set_track+0x25/0x30
[ 30.780720] __kasan_slab_alloc+0x59/0x70
[ 30.781275] kmem_cache_alloc+0x16b/0x370
[ 30.781807] vm_area_dup+0x20/0x160
[ 30.782278] __split_vma+0x170/0x950
[ 30.782759] split_vma+0xc6/0x110
[ 30.783227] mprotect_fixup+0x8d2/0xb30
[ 30.783739] do_mprotect_pkey+0x87e/0xd40
[ 30.784291] __x64_sys_mprotect+0x78/0xc0
[ 30.784855] do_syscall_64+0x3f/0x90
[ 30.785349] entry_SYSCALL_64_after_hwframe+0x6e/0xd8
[ 30.786022]
[ 30.786247] Freed by task 214:
[ 30.786659] kasan_save_stack+0x22/0x50
[ 30.787182] kasan_set_track+0x25/0x30
[ 30.787702] kasan_save_free_info+0x2b/0x50
[ 30.788265] __kasan_slab_free+0x10a/0x190
[ 30.788842] kmem_cache_free+0x10d/0x4d0
[ 30.789379] rcu_core+0x8c8/0x2860
[ 30.789985] __do_softirq+0x1b7/0x7d4
[ 30.790491]
[ 30.790716] Last potentially related work creation:
[ 30.791335] kasan_save_stack+0x22/0x50
[ 30.791865] __kasan_record_aux_stack+0x8e/0xa0
[ 30.792488] __call_rcu_common.constprop.0+0x6a/0xb90
[ 30.793161] remove_vma+0x139/0x170
[ 30.793634] do_vmi_align_munmap+0xd4a/0x11f0
[ 30.794216] do_vmi_munmap+0x1f1/0x2b0
[ 30.794721] __vm_munmap+0x138/0x3a0
[ 30.795209] __x64_sys_munmap+0x59/0x80
[ 30.795725] do_syscall_64+0x3f/0x90
[ 30.796228] entry_SYSCALL_64_after_hwframe+0x6e/0xd8
[ 30.796912]
[ 30.797140] Second to last potentially related work creation:
[ 30.797859] kasan_save_stack+0x22/0x50
[ 30.798391] __kasan_record_aux_stack+0x8e/0xa0
[ 30.798984] __call_rcu_common.constprop.0+0x6a/0xb90
[ 30.799656] remove_vma+0x139/0x170
[ 30.800123] do_vmi_align_munmap+0xd4a/0x11f0
[ 30.800712] do_vmi_munmap+0x1f1/0x2b0
[ 30.801205] __vm_munmap+0x138/0x3a0
[ 30.801680] __x64_sys_munmap+0x59/0x80
[ 30.802190] do_syscall_64+0x3f/0x90
[ 30.802676] entry_SYSCALL_64_after_hwframe+0x6e/0xd8
[ 30.803334]
[ 30.803556] The buggy address belongs to the object at ffff88800e127828
[ 30.803556] which belongs to the cache vm_area_struct of size 168
[ 30.805052] The buggy address is located 88 bytes inside of
[ 30.805052] freed 168-byte region [ffff88800e127828, ffff88800e1278d0)
[ 30.806480]
[ 30.806696] The buggy address belongs to the physical page:
[ 30.807372] page:000000000985affc refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0xe127
[ 30.808486] memcg:ffff88800f2b9e01
[ 30.808922] anon flags: 0x100000000000200(slab|node=0|zone=1)
[ 30.809660] page_type: 0xffffffff()
[ 30.810124] raw: 0100000000000200 ffff8880087a0c80 ffffea00003afc40 dead00000000000d
[ 30.811077] raw: 0000000000000000 0000000000110011 00000001ffffffff ffff88800f2b9e01
[ 30.811996] page dumped because: kasan: bad access detected
[ 30.812687]
[ 30.812907] Memory state around the buggy address:
[ 30.813487] ffff88800e127780: 00 00 00 00 00 00 00 00 00 00 00 00 00 fc fc fc
[ 30.814357] ffff88800e127800: fc fc fc fc fc fa fb fb fb fb fb fb fb fb fb fb
[ 30.815231] >ffff88800e127880: fb fb fb fb fb fb fb fb fb fb fc fc fc fc fc fc
[ 30.816105] ^
[ 30.816533] ffff88800e127900: fc fc 00 00 00 00 00 00 00 00 00 00 00 00 00 00
[ 30.817397] ffff88800e127980: 00 00 00 00 00 00 00 fc fc fc fc fc fc fc fc 00
[ 30.818262] ==================================================================
[ 30.819326] Disabling lock debugging due to kernel taint
[ 33.794955] BUG: Bad rss-counter state mm:0000000064155120 type:MM_FILEPAGES val:33
[ 33.795976] BUG: Bad rss-counter state mm:0000000064155120 type:MM_ANONPAGES val:22
[ 34.452922] BUG: Bad rss-counter state mm:00000000f32d0c0f type:MM_FILEPAGES val:33
[ 34.454099] BUG: Bad rss-counter state mm:00000000f32d0c0f type:MM_ANONPAGES val:22
Warning: Permanently added '[localhost]:52844' (ECDSA) to the list of known hosts.
[ 34.615195] general protection fault, probably for non-canonical address 0xe0ac7c268000000d: 0000 [#1] PREEMPT SMP KASAN NOPTI
[ 34.616604] KASAN: maybe wild-memory-access in range [0x0564013400000068-0x056401340000006f]
[ 34.617605] CPU: 1 PID: 240 Comm: sshd Tainted: G B 6.4.0-rc7-next-20230620 #1
[ 34.618634] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
[ 34.619622] RIP: 0010:__rb_insert_augmented+0x9d/0x8b0
[ 34.620284] 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
[ 34.622415] RSP: 0018:ffff88801462f948 EFLAGS: 00010213
[ 34.623061] RAX: ffff88801937a388 RBX: ffff88800df07698 RCX: ffffffff844d49f9
[ 34.623908] RDX: 00ac80268000000d RSI: 0000000000000008 RDI: ffff88800cec0588
[ 34.624773] RBP: ffff8880168e0000 R08: ffff88800cec0588 R09: 0000000000000000
[ 34.625624] R10: 0000000000000003 R11: 00000000000b6a61 R12: ffff88800cec0580
[ 34.626477] R13: dffffc0000000000 R14: 056401340000006e R15: ffffffff816e6340
[ 34.627332] FS: 00007fc2a8eaf900(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000
[ 34.628291] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 34.629012] CR2: 00005600de5a51c0 CR3: 000000000e84a000 CR4: 0000000000350ee0
[ 34.629864] Call Trace:
[ 34.630183]
[ 34.630470] ? die_addr+0x3c/0xa0
[ 34.630916] ? exc_general_protection+0x125/0x220
[ 34.631531] ? asm_exc_general_protection+0x26/0x30
[ 34.632162] ? __pfx_vma_interval_tree_augment_rotate+0x10/0x10
[ 34.632898] ? __rb_insert_augmented+0x5e9/0x8b0
[ 34.633492] ? __rb_insert_augmented+0x9d/0x8b0
[ 34.634081] ? __rb_insert_augmented+0x5e9/0x8b0
[ 34.634678] ? vma_interval_tree_insert_after+0x315/0x390
[ 34.635350] dup_mmap+0xc45/0x1770
[ 34.635802] ? __pfx_dup_mmap+0x10/0x10
[ 34.636300] ? __pfx_do_raw_spin_lock+0x10/0x10
[ 34.636903] ? _raw_spin_unlock_irqrestore+0x2c/0x50
[ 34.637524] ? trace_hardirqs_on+0x16/0x100
[ 34.638069] ? mm_init+0xb4a/0xe70
[ 34.638512] copy_process+0x3e68/0x7320
[ 34.639013] ? lock_acquire+0x434/0x4c0
[ 34.639516] ? __pfx_copy_process+0x10/0x10
[ 34.640061] ? expand_files+0x446/0x8e0
[ 34.640577] kernel_clone+0xeb/0x7d0
[ 34.641044] ? __pfx_kernel_clone+0x10/0x10
[ 34.641593] ? lock_acquire+0x434/0x4c0
[ 34.642090] ? lock_release+0x4d8/0x680
[ 34.642588] ? __pfx_lock_release+0x10/0x10
[ 34.643117] ? __pfx_lock_release+0x10/0x10
[ 34.643644] ? _raw_spin_unlock+0x1e/0x40
[ 34.644155] ? alloc_fd+0x2eb/0x760
[ 34.644639] __do_sys_clone+0xba/0x100
[ 34.645133] ? __pfx___do_sys_clone+0x10/0x10
[ 34.645699] ? fpregs_assert_state_consistent+0xbd/0xe0
[ 34.646349] do_syscall_64+0x3f/0x90
[ 34.646823] entry_SYSCALL_64_after_hwframe+0x6e/0xd8
[ 34.647476] RIP: 0033:0x7fc2a936e4bb
[ 34.647934] 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
[ 34.650090] RSP: 002b:00007ffc975fa9c0 EFLAGS: 00000246 ORIG_RAX: 0000000000000038
[ 34.650991] RAX: ffffffffffffffda RBX: 000000000000c2dc RCX: 00007fc2a936e4bb
[ 34.651847] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001200011
[ 34.652690] RBP: 0000000000000000 R08: 0000000000000000 R09: 00007fc2a8eaf900
[ 34.653549] R10: 00007fc2a8eafbd0 R11: 0000000000000246 R12: 0000000000000000
[ 34.654393] R13: 00005600de5b2bd0 R14: 00005600de5b5650 R15: 00007ffc975faa40
[ 34.655252]
[ 34.655540] Modules linked in:
[ 34.655989] ---[ end trace 0000000000000000 ]---
[ 34.656598] RIP: 0010:__rb_insert_augmented+0x9d/0x8b0
[ 34.657268] 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
[ 34.659495] RSP: 0018:ffff88801462f948 EFLAGS: 00010213
[ 34.660151] RAX: ffff88801937a388 RBX: ffff88800df07698 RCX: ffffffff844d49f9
[ 34.661042] RDX: 00ac80268000000d RSI: 0000000000000008 RDI: ffff88800cec0588
[ 34.661916] RBP: ffff8880168e0000 R08: ffff88800cec0588 R09: 0000000000000000
[ 34.662789] R10: 0000000000000003 R11: 00000000000b6a61 R12: ffff88800cec0580
[ 34.663668] R13: dffffc0000000000 R14: 056401340000006e R15: ffffffff816e6340
[ 34.664560] FS: 00007fc2a8eaf900(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000
[ 34.665529] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 34.666234] CR2: 00005600de5a51c0 CR3: 000000000e84a000 CR4: 0000000000350ee0
VM DIAGNOSIS:
13:42:32 Registers:
info registers vcpu 0
RAX=1ffffffff0c7bc14 RBX=0000000000000001 RCX=ffffffff863de0a6 RDX=dffffc0000000000
RSI=0000000000000000 RDI=0000000000000001 RBP=ffff88806ce09ad0 RSP=ffff88806ce09a08
R8 =ffffffff863de0aa R9 =ffff88806ce09ab8 R10=0000000000038001 R11=0000000000091b45
R12=ffff88806ce09ad8 R13=ffff88806ce09ac0 R14=ffff888016cc7840 R15=ffff88806ce09a78
RIP=ffffffff81130b73 RFL=00000217 [----APC] 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 00007fe3ebd95900 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=00007fe3ec34c618 CR3=0000000016c50000 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=6e69676f6c5f6d61702c78756e696c65
XMM02=755f6d61702c74696d7265705f6d6170 XMM03=2c766e655f6d61702c7374696d696c5f
XMM04=6d61702c766e655f6d61702c7374696d XMM05=78696e755f6d61702c74696d7265705f
XMM06=6469756e69676f6c5f6d61702c78756e XMM07=672065736f6c635f6e6f69737365733a
XMM08=61662029286e65706f5f746964756100 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=00007f21a347e610 CR3=0000000009d44000 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=5478c69a0791bda10542f39e7ea58d75
XMM02=000000000011a980eff9b2d0a8fce9cb XMM03=000000000011aa502c67c8bc2e329bc3
XMM04=de4f9c66df5f621300000000000ae988 XMM05=e4cb8bb95a7664b60000000000132e00
XMM06=00857b27b38924660000000000131c68 XMM07=e042d86d42eb936e0000000000121ee0
XMM08=d8f500f69ee65aeb000000000011aa50 XMM09=00000000000000000000000000000000
XMM10=20200000000020202020202020200000 XMM11=00000000000000000000000000000000
XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000
XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000