BUG: Bad rss-counter state mm:0000000000f459fb type:MM_FILEPAGES val:33
BUG: Bad rss-counter state mm:0000000000f459fb type:MM_ANONPAGES val:22
==================================================================
BUG: KASAN: slab-use-after-free in vma_interval_tree_remove+0xc75/0xec0
Read of size 8 at addr ffff88800e0e1ed8 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: 0033:0x7fad9b23ad82
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:00007fff0a304f68 EFLAGS: 00000206 ORIG_RAX: 0000000000000009
RAX: ffffffffffffffda RBX: 0000000000000812 RCX: 00007fad9b23ad82
RDX: 0000000000000005 RSI: 0000000000001000 RDI: 00007fad9a674000
RBP: 00007fad9a674000 R08: 0000000000000009 R09: 0000000000001000
R10: 0000000000000812 R11: 0000000000000206 R12: 0000563d40d58980
R13: 00007fff0a304f80 R14: 00007fff0a304fb0 R15: 00007fff0a305310
Allocated by task 206:
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 13:
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
The buggy address belongs to the object at ffff88800e0e1e80
which belongs to the cache vm_area_struct of size 168
The buggy address is located 88 bytes inside of
freed 168-byte region [ffff88800e0e1e80, ffff88800e0e1f28)
The buggy address belongs to the physical page:
page:0000000049118b40 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0xe0e1
memcg:ffff88800e234801
anon flags: 0x100000000000200(slab|node=0|zone=1)
page_type: 0xffffffff()
raw: 0100000000000200 ffff8880087a0c80 ffffea0000383200 dead000000000007
raw: 0000000000000000 0000000000110011 00000001ffffffff ffff88800e234801
page dumped because: kasan: bad access detected
Memory state around the buggy address:
ffff88800e0e1d80: fc fc fc 00 00 00 00 00 00 00 00 00 00 00 00 00
ffff88800e0e1e00: 00 00 00 00 00 00 00 00 fc fc fc fc fc fc fc fc
>ffff88800e0e1e80: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
^
ffff88800e0e1f00: fb fb fb fb fb fc fc fc fc fc fc fc fc fc fc fc
ffff88800e0e1f80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
==================================================================
BUG: Bad rss-counter state mm:000000007a13f25c type:MM_FILEPAGES val:33
BUG: Bad rss-counter state mm:000000007a13f25c type:MM_ANONPAGES val:22
BUG: Bad rss-counter state mm:000000007e9be5a9 type:MM_FILEPAGES val:33
BUG: Bad rss-counter state mm:000000007e9be5a9 type:MM_ANONPAGES val:22
kmemleak: Cannot insert 0xffff88801be242f8 into the object search tree (overlaps existing)
CPU: 0 PID: 237 Comm: sshd 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
Call Trace:
dump_stack_lvl+0x91/0xf0
__create_object+0x736/0xc90
kmem_cache_alloc+0x20b/0x370
vm_area_dup+0x20/0x160
dup_mmap+0x94e/0x1770
copy_process+0x3e68/0x7320
kernel_clone+0xeb/0x7d0
__do_sys_clone+0xba/0x100
do_syscall_64+0x3f/0x90
entry_SYSCALL_64_after_hwframe+0x6e/0xd8
RIP: 0033:0x7f2e1e3c84bb
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
RSP: 002b:00007fffddbf8a40 EFLAGS: 00000246 ORIG_RAX: 0000000000000038
RAX: ffffffffffffffda RBX: 0000000000008844 RCX: 00007f2e1e3c84bb
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001200011
RBP: 0000000000000000 R08: 0000000000000000 R09: 00007f2e1df09900
R10: 00007f2e1df09bd0 R11: 0000000000000246 R12: 0000000000000000
R13: 0000564a3cd88ec0 R14: 0000564a3cd992e0 R15: 00007fffddbf8ac0
kmemleak: Kernel memory leak detector disabled
kmemleak: Object 0xffff88801be242b8 (size 168):
kmemleak: comm "sshd", pid 237, jiffies 4294693987
kmemleak: min_count = 1
kmemleak: count = 0
kmemleak: flags = 0x1
kmemleak: checksum = 0
kmemleak: backtrace:
vm_area_dup+0x20/0x160
dup_mmap+0x94e/0x1770
copy_process+0x3e68/0x7320
kernel_clone+0xeb/0x7d0
__do_sys_clone+0xba/0x100
do_syscall_64+0x3f/0x90
entry_SYSCALL_64_after_hwframe+0x6e/0xd8
kmemleak: Automatic memory scanning thread ended
general protection fault, probably for non-canonical address 0xe0efdc23a000001b: 0000 [#1] PREEMPT SMP KASAN NOPTI
KASAN: maybe wild-memory-access in range [0x077f011d000000d8-0x077f011d000000df]
CPU: 1 PID: 237 Comm: sshd 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:__rb_insert_augmented+0x9d/0x8b0
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
RSP: 0018:ffff88800c55f948 EFLAGS: 00010216
RAX: ffff88801b8385d0 RBX: ffff88800e237210 RCX: ffffffff844d49f9
RDX: 00efe023a000001b RSI: 0000000000000008 RDI: ffff88800cbbea88
RBP: ffff88800bef9280 R08: ffff88800cbbea88 R09: 0000000000000000
R10: 0000000000000002 R11: 00000000000b6a61 R12: ffff88800cbbea80
R13: dffffc0000000000 R14: 077f011d000000db R15: ffffffff816e6340
FS: 00007f2e1df09900(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f42a9323100 CR3: 000000000eace000 CR4: 0000000000350ee0
Call Trace:
dup_mmap+0xc45/0x1770
copy_process+0x3e68/0x7320
kernel_clone+0xeb/0x7d0
__do_sys_clone+0xba/0x100
do_syscall_64+0x3f/0x90
entry_SYSCALL_64_after_hwframe+0x6e/0xd8
RIP: 0033:0x7f2e1e3c84bb
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
RSP: 002b:00007fffddbf8a40 EFLAGS: 00000246 ORIG_RAX: 0000000000000038
RAX: ffffffffffffffda RBX: 0000000000008844 RCX: 00007f2e1e3c84bb
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001200011
RBP: 0000000000000000 R08: 0000000000000000 R09: 00007f2e1df09900
R10: 00007f2e1df09bd0 R11: 0000000000000246 R12: 0000000000000000
R13: 0000564a3cd88ec0 R14: 0000564a3cd992e0 R15: 00007fffddbf8ac0
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:__rb_insert_augmented+0x9d/0x8b0
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
RSP: 0018:ffff88800c55f948 EFLAGS: 00010216
RAX: ffff88801b8385d0 RBX: ffff88800e237210 RCX: ffffffff844d49f9
RDX: 00efe023a000001b RSI: 0000000000000008 RDI: ffff88800cbbea88
RBP: ffff88800bef9280 R08: ffff88800cbbea88 R09: 0000000000000000
R10: 0000000000000002 R11: 00000000000b6a61 R12: ffff88800cbbea80
R13: dffffc0000000000 R14: 077f011d000000db R15: ffffffff816e6340
FS: 00007f2e1df09900(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f42a9323100 CR3: 000000000eace000 CR4: 0000000000350ee0
general protection fault, probably for non-canonical address 0x1723e26c000008: 0000 [#2] PREEMPT SMP KASAN NOPTI
CPU: 1 PID: 33 Comm: kworker/u4:3 Tainted: G B D 6.4.0-rc7-next-20230620 #1
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
Workqueue: writeback wb_workfn (flush-8:0)
RIP: 0010:qlist_free_all+0xaf/0x1a0
Code: 80 4c 01 c2 0f 82 f8 00 00 00 48 c7 c0 00 00 00 80 48 2b 05 7b 5e ab 03 48 01 d0 48 c1 e8 0c 48 c1 e0 06 48 03 05 59 5e ab 03 <48> 8b 48 08 48 89 c2 f6 c1 01 0f 85 ba 00 00 00 0f 1f 44 00 00 48
RSP: 0018:ffff888009517328 EFLAGS: 00010207
RAX: 001723e26c000000 RBX: 05ce011b000000ed RCX: 000000008011000c
RDX: 05ce011b800000ed RSI: ffff88801be243a0 RDI: ffff8880087a0c80
RBP: 0000000000000000 R08: 05ce011b000000ed R09: 0000000000000000
R10: ffffea00006f8900 R11: 000000008011000c R12: dffffc0000000000
R13: ffff888009517368 R14: 0000000000000000 R15: ffff88801be243a0
FS: 0000000000000000(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f2fae1436f8 CR3: 000000000d654000 CR4: 0000000000350ee0
Call Trace:
kasan_quarantine_reduce+0x199/0x230
__kasan_slab_alloc+0x49/0x70
kmem_cache_alloc+0x16b/0x370
ext4_init_io_end+0x27/0x180
ext4_do_writepages+0xc31/0x3150
ext4_writepages+0x2fc/0x760
do_writepages+0x1ad/0x650
__writeback_single_inode+0x105/0xc50
writeback_sb_inodes+0x546/0xe20
__writeback_inodes_wb+0xbe/0x270
wb_writeback+0x48b/0x980
wb_workfn+0x81d/0xed0
process_one_work+0xabf/0x1770
worker_thread+0x64f/0x12a0
kthread+0x33f/0x440
ret_from_fork+0x2c/0x50
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:__rb_insert_augmented+0x9d/0x8b0
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
RSP: 0018:ffff88800c55f948 EFLAGS: 00010216
RAX: ffff88801b8385d0 RBX: ffff88800e237210 RCX: ffffffff844d49f9
RDX: 00efe023a000001b RSI: 0000000000000008 RDI: ffff88800cbbea88
RBP: ffff88800bef9280 R08: ffff88800cbbea88 R09: 0000000000000000
R10: 0000000000000002 R11: 00000000000b6a61 R12: ffff88800cbbea80
R13: dffffc0000000000 R14: 077f011d000000db R15: ffffffff816e6340
FS: 0000000000000000(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f2fae1436f8 CR3: 000000000d654000 CR4: 0000000000350ee0
------------[ cut here ]------------
WARNING: CPU: 1 PID: 33 at kernel/exit.c:818 do_exit+0x1be5/0x2780
Modules linked in:
CPU: 1 PID: 33 Comm: kworker/u4:3 Tainted: G B D 6.4.0-rc7-next-20230620 #1
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
Workqueue: writeback wb_workfn (flush-8:0)
RIP: 0010:do_exit+0x1be5/0x2780
Code: 00 00 31 f6 e8 6c 68 ff ff e9 09 f6 ff ff e8 42 7a 33 00 4c 89 ee bf 05 06 00 00 e8 c5 e2 02 00 e9 fc e8 ff ff e8 2b 7a 33 00 <0f> 0b e9 e2 e5 ff ff e8 1f 7a 33 00 0f 0b e9 9a e4 ff ff e8 13 7a
RSP: 0018:ffff888009517e40 EFLAGS: 00010293
RAX: 0000000000000000 RBX: ffff888008f421c0 RCX: 0000000000000000
RDX: ffff888009501b40 RSI: ffffffff81188e35 RDI: ffff888009502cc0
RBP: ffff888009501b40 R08: 0000000000000000 R09: 0000000000000000
R10: ffffffff85d3d357 R11: 0000000000000001 R12: ffff888009502368
R13: 000000000000000b R14: ffff888008f3ae40 R15: 0000000000000000
FS: 0000000000000000(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f2fae1436f8 CR3: 000000000d654000 CR4: 0000000000350ee0
Call Trace:
make_task_dead+0x175/0x3b0
rewind_stack_and_make_dead+0x17/0x20
RIP: 0000:0x0
Code: Unable to access opcode bytes at 0xffffffffffffffd6.
RSP: 0000:0000000000000000 EFLAGS: 00000000 ORIG_RAX: 0000000000000000
RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
irq event stamp: 6324
hardirqs last enabled at (6323): [] _raw_spin_unlock_irq+0x23/0x40
hardirqs last disabled at (6324): [] __schedule+0x127d/0x2b00
softirqs last enabled at (5896): [] irq_exit_rcu+0x93/0xc0
softirqs last disabled at (5887): [] irq_exit_rcu+0x93/0xc0
---[ end trace 0000000000000000 ]---
----------------
Code disassembly (best guess), 1 bytes skipped:
0: 48 c1 ea 03 shr $0x3,%rdx
4: 42 80 3c 2a 00 cmpb $0x0,(%rdx,%r13,1)
9: 0f 85 55 05 00 00 jne 0x564
f: 4d 8b 74 24 08 mov 0x8(%r12),%r14
14: 49 39 ee cmp %rbp,%r14
17: 0f 84 77 01 00 00 je 0x194
1d: 4d 85 f6 test %r14,%r14
20: 74 1c je 0x3e
22: 4c 89 f2 mov %r14,%rdx
25: 48 c1 ea 03 shr $0x3,%rdx
* 29: 42 80 3c 2a 00 cmpb $0x0,(%rdx,%r13,1) <-- trapping instruction
2e: 0f 85 61 05 00 00 jne 0x595
34: 41 f6 06 01 testb $0x1,(%r14)
38: 0f 84 7a 04 00 00 je 0x4b8
3e: 48 rex.W