Code: 00 00 00 00 00 0f 1f 00 41 f7 c1 ff 0f 00 00 75 27 55 48 89 fd 53 89 cb 48 85 ff 74 3b 41 89 da 48 89 ef b8 09 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 66 5b 5d c3 0f 1f 00 48 c7 c0 bc ff ff ff 64 RSP: 002b:00007f20aee380f8 EFLAGS: 00000206 WARNING: CPU: 0 PID: 10898 at arch/x86/mm/pat/memtype.c:1019 get_pat_info+0x216/0x270 arch/x86/mm/pat/memtype.c:1019 ORIG_RAX: 0000000000000009 RAX: ffffffffffffffda RBX: 0000000000008011 RCX: 00007f20b18e3b62 RDX: 0000000000000003 RSI: 0000000000100000 RDI: 0000000020575000 RBP: 0000000020575000 R08: 0000000000000005 R09: 0000000010000000 R10: 0000000000008011 R11: 0000000000000206 R12: 0000000020000240 R13: 0000000020575000 R14: 0000000020000100 R15: 0000000020117000 Modules linked in: CPU: 0 PID: 10898 Comm: syz-executor.4 Not tainted 5.10.240 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RIP: 0010:get_pat_info+0x216/0x270 arch/x86/mm/pat/memtype.c:1019 Code: c1 ea 03 80 3c 02 00 75 71 49 89 1e eb 8e e8 61 8a 2e 00 0f 0b e9 97 fe ff ff 41 bc ea ff ff ff e9 77 ff ff ff e8 4a 8a 2e 00 <0f> 0b 41 bc ea ff ff ff e9 65 ff ff ff 4c 89 ff e8 45 99 5a 00 e9 RSP: 0018:ffff888051f17898 EFLAGS: 00010216 RAX: 000000000001b604 RBX: ffff888047522000 RCX: ffffc900031fc000 RDX: 0000000000040000 RSI: ffffffff811243e6 RDI: 0000000000000007 RBP: ffff888051f17950 R08: 0000000000000000 R09: ffff888051f17820 R10: 0000000000000020 R11: 0000000000000001 R12: 0000000000000028 R13: 1ffff1100a3e2f13 R14: 0000000000000000 R15: ffff888047522050 FS: 00007ff247250700(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f98ed15e3a4 CR3: 000000005165c000 CR4: 0000000000350ef0 Call Trace: untrack_pfn+0xdc/0x240 arch/x86/mm/pat/memtype.c:1121 unmap_single_vma+0x1bc/0x300 mm/memory.c:1499 zap_page_range_single+0x2ce/0x450 mm/memory.c:1603 remap_pfn_range_notrack mm/memory.c:2363 [inline] remap_pfn_range+0x139/0x160 mm/memory.c:2388 io_uring_mmap+0x398/0x530 io_uring/io_uring.c:9805 call_mmap include/linux/fs.h:2044 [inline] mmap_file+0x5e/0xe0 mm/util.c:1080 __mmap_region mm/mmap.c:1813 [inline] mmap_region+0xc49/0x1500 mm/mmap.c:2953 do_mmap+0xcdb/0x11e0 mm/mmap.c:1590 vm_mmap_pgoff+0x198/0x1f0 mm/util.c:539 ksys_mmap_pgoff+0x41c/0x560 mm/mmap.c:1641 do_syscall_64+0x33/0x40 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x67/0xd1 RIP: 0033:0x7ff249cfbb62 Code: 00 00 00 00 00 0f 1f 00 41 f7 c1 ff 0f 00 00 75 27 55 48 89 fd 53 89 cb 48 85 ff 74 3b 41 89 da 48 89 ef b8 09 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 66 5b 5d c3 0f 1f 00 48 c7 c0 bc ff ff ff 64 RSP: 002b:00007ff2472500f8 EFLAGS: 00000206 ORIG_RAX: 0000000000000009 RAX: ffffffffffffffda RBX: 0000000000008011 RCX: 00007ff249cfbb62 RDX: 0000000000000003 RSI: 0000000000100000 RDI: 0000000020575000 RBP: 0000000020575000 R08: 0000000000000005 R09: 0000000010000000 R10: 0000000000008011 R11: 0000000000000206 R12: 0000000020000240 R13: 0000000020575000 R14: 0000000020000100 R15: 0000000020117000 irq event stamp: 2049 hardirqs last enabled at (2059): [] console_unlock+0x92d/0xb40 kernel/printk/printk.c:2567 hardirqs last disabled at (2068): [] console_unlock+0x839/0xb40 kernel/printk/printk.c:2482 softirqs last enabled at (1484): [] asm_call_irq_on_stack+0x12/0x20 softirqs last disabled at (1311): [] asm_call_irq_on_stack+0x12/0x20 ---[ end trace a0d79d88042dd723 ]--- EXT4-fs (loop5): mounted filesystem without journal. Opts: ,errors=continue loop0: detected capacity change from 0 to 266240 loop5: detected capacity change from 0 to 266240 EXT4-fs (loop0): mounted filesystem without journal. Opts: ,errors=continue EXT4-fs (loop5): mounted filesystem without journal. Opts: ,errors=continue ---------------- Code disassembly (best guess), 1 bytes skipped: 0: 00 00 add %al,(%rax) 2: 00 00 add %al,(%rax) 4: 0f 1f 00 nopl (%rax) 7: 41 f7 c1 ff 0f 00 00 test $0xfff,%r9d e: 75 27 jne 0x37 10: 55 push %rbp 11: 48 89 fd mov %rdi,%rbp 14: 53 push %rbx 15: 89 cb mov %ecx,%ebx 17: 48 85 ff test %rdi,%rdi 1a: 74 3b je 0x57 1c: 41 89 da mov %ebx,%r10d 1f: 48 89 ef mov %rbp,%rdi 22: b8 09 00 00 00 mov $0x9,%eax 27: 0f 05 syscall * 29: 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax <-- trapping instruction 2f: 77 66 ja 0x97 31: 5b pop %rbx 32: 5d pop %rbp 33: c3 retq 34: 0f 1f 00 nopl (%rax) 37: 48 c7 c0 bc ff ff ff mov $0xffffffffffffffbc,%rax 3e: 64 fs