------------[ cut here ]------------ WARNING: CPU: 0 PID: 51764 at arch/x86/mm/pat/memtype.c:1099 untrack_pfn+0x247/0x290 Modules linked in: CPU: 0 PID: 51764 Comm: syz-executor.4 Not tainted 5.18.0-rc7-next-20220520 #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 e9 1d 31 00 4c 89 ee 4c 89 e7 e8 9e db ff ff e8 d9 1d 31 00 48 85 db 0f 85 58 ff ff ff eb 82 e8 c9 1d 31 00 <0f> 0b e9 76 ff ff ff 48 89 df e8 ea 19 64 00 e9 98 fe ff ff e8 b0 RSP: 0018:ffff888017227730 EFLAGS: 00010216 RAX: 0000000000003472 RBX: ffff888051323e00 RCX: ffffc90005bfd000 RDX: 0000000000040000 RSI: ffffffff81134ae7 RDI: 0000000000000003 RBP: 1ffff11002e44ee6 R08: 0000000000000000 R09: ffff88801b84c183 R10: ffffffff811349b6 R11: 0000000000000001 R12: 00000000ffffffea R13: 0000000000000000 R14: 0000000000000000 R15: ffff888051323e50 FS: 00007fd51f98c700(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b2dc23000 CR3: 000000004a626000 CR4: 0000000000350ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000ffff4ff0 DR7: 0000000000000400 Call Trace: unmap_single_vma+0x1ba/0x360 unmap_vmas+0x18f/0x320 exit_mmap+0x192/0x460 mmput+0xc8/0x380 dup_mm+0xdd1/0x1250 copy_process+0x6bcd/0x6d90 kernel_clone+0xe7/0xa60 __do_sys_fork+0x7c/0xb0 do_syscall_64+0x3b/0x90 entry_SYSCALL_64_after_hwframe+0x46/0xb0 RIP: 0033:0x7fd522416b19 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:00007fd51f98c188 EFLAGS: 00000246 ORIG_RAX: 0000000000000039 RAX: ffffffffffffffda RBX: 00007fd522529f60 RCX: 00007fd522416b19 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 00007fd51f98c1d0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 R13: 00007ffe4fa3213f R14: 00007fd51f98c300 R15: 0000000000022000 irq event stamp: 3537 hardirqs last enabled at (3561): [] __up_console_sem+0x78/0x80 hardirqs last disabled at (3586): [] __up_console_sem+0x5d/0x80 softirqs last enabled at (3040): [] __irq_exit_rcu+0x113/0x170 softirqs last disabled at (2997): [] __irq_exit_rcu+0x113/0x170 ---[ end trace 0000000000000000 ]--- loop1: detected capacity change from 0 to 4097 netlink: 104 bytes leftover after parsing attributes in process `syz-executor.0'. I/O error, dev loop1, sector 3968 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 0