BUG: Bad rss-counter state mm:00000000babd7fc4 type:MM_FILEPAGES val:33
BUG: Bad rss-counter state mm:00000000babd7fc4 type:MM_ANONPAGES val:22
==================================================================
BUG: KASAN: slab-use-after-free in vma_interval_tree_remove+0xc75/0xec0
Read of size 8 at addr ffff888019de95c8 by task sshd/219
CPU: 1 PID: 219 Comm: sshd Not tainted 6.4.0-rc7-next-20230620 #1
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
Call Trace:
dump_stack_lvl+0x91/0xf0
print_report+0xcc/0x620
kasan_report+0xbe/0xf0
vma_interval_tree_remove+0xc75/0xec0
vma_prepare+0xc54/0x11a0
__split_vma+0x5af/0x950
do_vmi_align_munmap+0x2ba/0x11f0
do_vmi_munmap+0x1f1/0x2b0
mmap_region+0x1f9/0x2660
do_mmap+0x854/0xf00
vm_mmap_pgoff+0x1a6/0x3a0
ksys_mmap_pgoff+0x3af/0x500
do_syscall_64+0x3f/0x90
entry_SYSCALL_64_after_hwframe+0x6e/0xd8
RIP: 0033:0x7f5e44966d82
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
RSP: 002b:00007ffdbaaaa188 EFLAGS: 00000206 ORIG_RAX: 0000000000000009
RAX: ffffffffffffffda RBX: 0000000000000812 RCX: 00007f5e44966d82
RDX: 0000000000000005 RSI: 0000000000001000 RDI: 00007f5e43da0000
RBP: 00007f5e43da0000 R08: 0000000000000009 R09: 0000000000001000
R10: 0000000000000812 R11: 0000000000000206 R12: 000055864cabad90
R13: 00007ffdbaaaa1a0 R14: 00007ffdbaaaa1d0 R15: 00007ffdbaaaa530
Allocated by task 212:
kasan_save_stack+0x22/0x50
kasan_set_track+0x25/0x30
__kasan_slab_alloc+0x59/0x70
kmem_cache_alloc+0x16b/0x370
vm_area_dup+0x20/0x160
__split_vma+0x170/0x950
split_vma+0xc6/0x110
mprotect_fixup+0x8d2/0xb30
do_mprotect_pkey+0x87e/0xd40
__x64_sys_mprotect+0x78/0xc0
do_syscall_64+0x3f/0x90
entry_SYSCALL_64_after_hwframe+0x6e/0xd8
Freed by task 203:
kasan_save_stack+0x22/0x50
kasan_set_track+0x25/0x30
kasan_save_free_info+0x2b/0x50
__kasan_slab_free+0x10a/0x190
kmem_cache_free+0x10d/0x4d0
rcu_core+0x8c8/0x2860
__do_softirq+0x1b7/0x7d4
Last potentially related work creation:
kasan_save_stack+0x22/0x50
__kasan_record_aux_stack+0x8e/0xa0
__call_rcu_common.constprop.0+0x6a/0xb90
remove_vma+0x139/0x170
do_vmi_align_munmap+0xd4a/0x11f0
do_vmi_munmap+0x1f1/0x2b0
__vm_munmap+0x138/0x3a0
__x64_sys_munmap+0x59/0x80
do_syscall_64+0x3f/0x90
entry_SYSCALL_64_after_hwframe+0x6e/0xd8
Second to last potentially related work creation:
kasan_save_stack+0x22/0x50
__kasan_record_aux_stack+0x8e/0xa0
__call_rcu_common.constprop.0+0x6a/0xb90
remove_vma+0x139/0x170
do_vmi_align_munmap+0xd4a/0x11f0
do_vmi_munmap+0x1f1/0x2b0
mmap_region+0x1f9/0x2660
do_mmap+0x854/0xf00
vm_mmap_pgoff+0x1a6/0x3a0
ksys_mmap_pgoff+0x3af/0x500
do_syscall_64+0x3f/0x90
entry_SYSCALL_64_after_hwframe+0x6e/0xd8
The buggy address belongs to the object at ffff888019de9570
which belongs to the cache vm_area_struct of size 168
The buggy address is located 88 bytes inside of
freed 168-byte region [ffff888019de9570, ffff888019de9618)
The buggy address belongs to the physical page:
page:00000000e0151e13 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x19de9
memcg:ffff888019dea001
anon flags: 0x100000000000200(slab|node=0|zone=1)
page_type: 0xffffffff()
raw: 0100000000000200 ffff8880087a0c80 0000000000000000 0000000000000001
raw: 0000000000000000 0000000000110011 00000001ffffffff ffff888019dea001
page dumped because: kasan: bad access detected
Memory state around the buggy address:
ffff888019de9480: fc 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
ffff888019de9500: 00 00 00 00 00 00 fc fc fc fc fc fc fc fc fa fb
>ffff888019de9580: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
^
ffff888019de9600: fb fb fb fc fc fc fc fc fc fc fc fa fb fb fb fb
ffff888019de9680: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
==================================================================
BUG: Bad rss-counter state mm:0000000020626b5f type:MM_FILEPAGES val:33
BUG: Bad rss-counter state mm:0000000020626b5f type:MM_ANONPAGES val:22
BUG: Bad rss-counter state mm:0000000007e3c348 type:MM_FILEPAGES val:33
BUG: Bad rss-counter state mm:0000000007e3c348 type:MM_ANONPAGES val:22
kmemleak: Automatic memory scanning thread ended
cgroup: Unknown subsys name 'net'
cgroup: Unknown subsys name 'rlimit'
general protection fault, probably for non-canonical address 0xe08b7c2a0000001e: 0000 [#1] PREEMPT SMP KASAN NOPTI
KASAN: maybe wild-memory-access in range [0x045c0150000000f0-0x045c0150000000f7]
CPU: 0 PID: 264 Comm: cron Tainted: G B 6.4.0-rc7-next-20230620 #1
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
RIP: 0010:vma_interval_tree_remove+0x2e8/0xec0
Code: 3c 2a 00 0f 85 c7 09 00 00 49 8b 56 10 48 85 d2 48 89 14 24 74 29 e8 07 96 dd ff 48 8b 14 24 48 8d 7a 18 48 89 f9 48 c1 e9 03 <80> 3c 29 00 0f 85 e5 09 00 00 48 8b 52 18 49 39 d4 4c 0f 42 e2 e8
RSP: 0018:ffff888015a4fa58 EFLAGS: 00010217
RAX: 0000000000000000 RBX: ffff888016fa8940 RCX: 008b802a0000001e
RDX: 045c0150000000dc RSI: ffffffff816e7259 RDI: 045c0150000000f4
RBP: dffffc0000000000 R08: 0000000000000007 R09: 0000000000000000
R10: 0000000000000000 R11: 00000000000b6a61 R12: 000fbf0fefc0556f
R13: ffff888019de9740 R14: ffff888019de9740 R15: ffff888016fa8950
FS: 00007ff000056840(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fefffc31260 CR3: 0000000009a14000 CR4: 0000000000350ef0
Call Trace:
vma_prepare+0xc54/0x11a0
__split_vma+0x5af/0x950
split_vma+0xc6/0x110
mprotect_fixup+0x8d2/0xb30
do_mprotect_pkey+0x87e/0xd40
__x64_sys_mprotect+0x78/0xc0
do_syscall_64+0x3f/0x90
entry_SYSCALL_64_after_hwframe+0x6e/0xd8
RIP: 0033:0x7ff000378e27
Code: 44 00 00 b8 0b 00 00 00 0f 05 48 3d 01 f0 ff ff 73 01 c3 48 8d 0d 31 03 01 00 f7 d8 89 01 48 83 c8 ff c3 b8 0a 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8d 0d 11 03 01 00 f7 d8 89 01 48 83
RSP: 002b:00007fff225faaf8 EFLAGS: 00000206 ORIG_RAX: 000000000000000a
RAX: ffffffffffffffda RBX: 0000556f248eee00 RCX: 00007ff000378e27
RDX: 0000000000000001 RSI: 0000000000001000 RDI: 00007fefffc34000
RBP: 00007fff225fac10 R08: 00007fff225faa80 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000006
R13: 0000000400000006 R14: 00007fefffc31310 R15: 0000000000000000
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:vma_interval_tree_remove+0x2e8/0xec0
Code: 3c 2a 00 0f 85 c7 09 00 00 49 8b 56 10 48 85 d2 48 89 14 24 74 29 e8 07 96 dd ff 48 8b 14 24 48 8d 7a 18 48 89 f9 48 c1 e9 03 <80> 3c 29 00 0f 85 e5 09 00 00 48 8b 52 18 49 39 d4 4c 0f 42 e2 e8
RSP: 0018:ffff888015a4fa58 EFLAGS: 00010217
RAX: 0000000000000000 RBX: ffff888016fa8940 RCX: 008b802a0000001e
RDX: 045c0150000000dc RSI: ffffffff816e7259 RDI: 045c0150000000f4
RBP: dffffc0000000000 R08: 0000000000000007 R09: 0000000000000000
R10: 0000000000000000 R11: 00000000000b6a61 R12: 000fbf0fefc0556f
R13: ffff888019de9740 R14: ffff888019de9740 R15: ffff888016fa8950
FS: 00007ff000056840(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fefffc31260 CR3: 0000000009a14000 CR4: 0000000000350ef0
----------------
Code disassembly (best guess):
0: 3c 2a cmp $0x2a,%al
2: 00 0f add %cl,(%rdi)
4: 85 c7 test %eax,%edi
6: 09 00 or %eax,(%rax)
8: 00 49 8b add %cl,-0x75(%rcx)
b: 56 push %rsi
c: 10 48 85 adc %cl,-0x7b(%rax)
f: d2 48 89 rorb %cl,-0x77(%rax)
12: 14 24 adc $0x24,%al
14: 74 29 je 0x3f
16: e8 07 96 dd ff callq 0xffdd9622
1b: 48 8b 14 24 mov (%rsp),%rdx
1f: 48 8d 7a 18 lea 0x18(%rdx),%rdi
23: 48 89 f9 mov %rdi,%rcx
26: 48 c1 e9 03 shr $0x3,%rcx
* 2a: 80 3c 29 00 cmpb $0x0,(%rcx,%rbp,1) <-- trapping instruction
2e: 0f 85 e5 09 00 00 jne 0xa19
34: 48 8b 52 18 mov 0x18(%rdx),%rdx
38: 49 39 d4 cmp %rdx,%r12
3b: 4c 0f 42 e2 cmovb %rdx,%r12
3f: e8 .byte 0xe8