------------[ cut here ]------------ WARNING: CPU: 0 PID: 9119 at arch/x86/mm/pat/memtype.c:1099 untrack_pfn+0x247/0x290 Modules linked in: CPU: 0 PID: 9119 Comm: syz-executor.4 Not tainted 5.17.0-rc3-next-20220211 #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 19 10 30 00 4c 89 ee 4c 89 e7 e8 9e db ff ff e8 09 10 30 00 48 85 db 0f 85 58 ff ff ff eb 82 e8 f9 0f 30 00 <0f> 0b e9 76 ff ff ff 48 89 df e8 4a b4 61 00 e9 98 fe ff ff e8 00 RSP: 0018:ffff88801d30f750 EFLAGS: 00010246 RAX: 0000000000040000 RBX: ffff88800e4ac000 RCX: ffffc900041ec000 RDX: 0000000000040000 RSI: ffffffff811328e7 RDI: 0000000000000003 RBP: 1ffff11003a61eea R08: 0000000000000000 R09: ffff88801d30f6d8 R10: ffffffff811327b6 R11: 0000000000000001 R12: 00000000ffffffea R13: 0000000000000000 R14: 0000000000000000 R15: ffff88800e4ac050 FS: 00007fde8ca47700(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f2188d89f30 CR3: 0000000048f14000 CR4: 0000000000350ef0 Call Trace: unmap_single_vma+0x1bc/0x310 unmap_vmas+0x16b/0x2f0 exit_mmap+0x192/0x430 mmput+0xc8/0x380 dup_mm+0xdd1/0x1250 copy_process+0x384b/0x6cb0 kernel_clone+0xe7/0xa60 __do_sys_fork+0x8a/0xc0 do_syscall_64+0x3b/0x90 entry_SYSCALL_64_after_hwframe+0x44/0xae RIP: 0033:0x7fde8f4d1b19 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007fde8ca47188 EFLAGS: 00000246 ORIG_RAX: 0000000000000039 RAX: ffffffffffffffda RBX: 00007fde8f5e4f60 RCX: 00007fde8f4d1b19 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 00007fde8ca471d0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 R13: 00007ffefca990ff R14: 00007fde8ca47300 R15: 0000000000022000 irq event stamp: 1577 hardirqs last enabled at (1585): [] __up_console_sem+0x78/0x80 hardirqs last disabled at (1594): [] __up_console_sem+0x5d/0x80 softirqs last enabled at (988): [] __irq_exit_rcu+0x113/0x170 softirqs last disabled at (955): [] __irq_exit_rcu+0x113/0x170 ---[ end trace 0000000000000000 ]---