device lo left promiscuous mode
device lo entered promiscuous mode
------------[ cut here ]------------
WARNING: CPU: 0 PID: 36088 at arch/x86/mm/pat/memtype.c:1099 untrack_pfn+0x247/0x290
Modules linked in:
CPU: 0 PID: 36088 Comm: syz-executor.0 Not tainted 5.18.0-rc6-next-20220513 #1
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.14.0-0-g155821a1990b-prebuilt.qemu.org 04/01/2014
RIP: 0010:untrack_pfn+0x247/0x290
Code: 84 6c ff ff ff e8 c9 1b 31 00 4c 89 ee 4c 89 e7 e8 9e db ff ff e8 b9 1b 31 00 48 85 db 0f 85 58 ff ff ff eb 82 e8 a9 1b 31 00 <0f> 0b e9 76 ff ff ff 48 89 df e8 9a 1f 64 00 e9 98 fe ff ff e8 e0
RSP: 0018:ffff88804a83f9f0 EFLAGS: 00010293
RAX: 0000000000000000 RBX: ffff88804905a340 RCX: 0000000000000000
RDX: ffff88804629b580 RSI: ffffffff81134917 RDI: 0000000000000003
RBP: 1ffff11009507f3e R08: 0000000000000000 R09: 0000000000000001
R10: ffffffff811347e6 R11: 0000000000000000 R12: 00000000ffffffea
R13: 0000000000000000 R14: 0000000000000000 R15: ffff88804905a360
FS:  0000000000000000(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000000 CR3: 00000000488ea000 CR4: 0000000000350ef0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff4ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 unmap_single_vma+0x1b4/0x350
 unmap_vmas+0x21e/0x370
 exit_mmap+0x1b5/0x690
 mmput+0xd1/0x390
 do_exit+0xa10/0x27f0
 do_group_exit+0xd2/0x2f0
 __x64_sys_exit_group+0x3a/0x50
 do_syscall_64+0x3b/0x90
 entry_SYSCALL_64_after_hwframe+0x46/0xb0
RIP: 0033:0x7fe5de97eb19
Code: Unable to access opcode bytes at RIP 0x7fe5de97eaef.
RSP: 002b:00007fe5dbef3b48 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fe5de97eb19
RDX: 00007fe5de97eb62 RSI: 0000000000000000 RDI: 000000000000000b
RBP: 000000000000000b R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000007 R11: 0000000000000246 R12: 0000000020000400
R13: 0000000020ffe000 R14: 00000000200003c0 R15: 0000000020ffb000
 </TASK>
irq event stamp: 7057
hardirqs last  enabled at (7069): [<ffffffff812afa98>] __up_console_sem+0x78/0x80
hardirqs last disabled at (7078): [<ffffffff812afa7d>] __up_console_sem+0x5d/0x80
softirqs last  enabled at (6560): [<ffffffff81168b53>] __irq_exit_rcu+0x113/0x170
softirqs last disabled at (6507): [<ffffffff81168b53>] __irq_exit_rcu+0x113/0x170
---[ end trace 0000000000000000 ]---
device lo left promiscuous mode
device lo entered promiscuous mode
BUG: Bad rss-counter state mm:00000000b97e2131 type:MM_FILEPAGES val:8924
BUG: Bad rss-counter state mm:00000000b97e2131 type:MM_ANONPAGES val:110
device lo left promiscuous mode
device lo entered promiscuous mode
device lo left promiscuous mode
device lo entered promiscuous mode
FAULT_INJECTION: forcing a failure.
name fail_usercopy, interval 1, probability 0, space 0, times 0
CPU: 1 PID: 36739 Comm: syz-executor.4 Tainted: G        W         5.18.0-rc6-next-20220513 #1
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.14.0-0-g155821a1990b-prebuilt.qemu.org 04/01/2014
Call Trace:
 <TASK>
 dump_stack_lvl+0x8b/0xb3
 should_fail.cold+0x5/0xa
 _copy_to_user+0x2a/0x140
 simple_read_from_buffer+0xcc/0x160
 proc_fail_nth_read+0x194/0x220
 vfs_read+0x1ea/0x5d0
 ksys_read+0x127/0x250
 do_syscall_64+0x3b/0x90
 entry_SYSCALL_64_after_hwframe+0x46/0xb0
RIP: 0033:0x7f0ba9ab969c
Code: ec 28 48 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 f9 fc ff ff 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 31 c0 0f 05 <48> 3d 00 f0 ff ff 77 34 44 89 c7 48 89 44 24 08 e8 2f fd ff ff 48
RSP: 002b:00007f0ba707c170 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f0ba9ab969c
RDX: 000000000000000f RSI: 00007f0ba707c1e0 RDI: 0000000000000006
RBP: 00007f0ba707c1d0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002
R13: 00007ffd6efc87df R14: 00007f0ba707c300 R15: 0000000000022000
 </TASK>