RBP: 0000000020ffc000 R08: 0000000000000005 R09: 0000000010000000 R10: 0000000000008011 R11: 0000000000000206 R12: 0000000020000140 R13: 0000000020ffc000 R14: 00000000200001c0 R15: 00000000200a0000 ------------[ cut here ]------------ WARNING: CPU: 0 PID: 17829 at arch/x86/mm/pat/memtype.c:1019 get_pat_info+0x216/0x270 arch/x86/mm/pat/memtype.c:1019 Modules linked in: CPU: 0 PID: 17829 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:ffff888039b37898 EFLAGS: 00010206 RAX: 000000000000bd10 RBX: ffff88804a05ab00 RCX: ffffc90004e22000 RDX: 0000000000040000 RSI: ffffffff811243e6 RDI: 0000000000000007 RBP: ffff888039b37950 R08: 0000000000000000 R09: ffff888039b37820 R10: 0000000000000020 R11: 0000000000000001 R12: 0000000000000028 R13: 1ffff11007366f13 R14: 0000000000000000 R15: ffff88804a05ab50 FS: 00007fade6d59700(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00005555913a5c58 CR3: 000000003b388000 CR4: 0000000000350ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000dd060a 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: 0033:0x7fade97e3b62 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:00007fade6d590f8 EFLAGS: 00000206 ORIG_RAX: 0000000000000009 RAX: ffffffffffffffda RBX: 0000000000008011 RCX: 00007fade97e3b62 RDX: 0000000000000003 RSI: 0000000000200000 RDI: 0000000020ffc000 RBP: 0000000020ffc000 R08: 0000000000000005 R09: 0000000010000000 R10: 0000000000008011 R11: 0000000000000206 R12: 0000000020000140 R13: 0000000020ffc000 R14: 00000000200001c0 R15: 00000000200a0000 irq event stamp: 1207 hardirqs last enabled at (1213): [] console_trylock_spinning kernel/printk/printk.c:1849 [inline] hardirqs last enabled at (1213): [] vprintk_emit+0x490/0x4e0 kernel/printk/printk.c:2059 hardirqs last disabled at (1218): [] console_trylock_spinning kernel/printk/printk.c:1828 [inline] hardirqs last disabled at (1218): [] vprintk_emit+0x422/0x4e0 kernel/printk/printk.c:2059 softirqs last enabled at (826): [] asm_call_irq_on_stack+0x12/0x20 softirqs last disabled at (625): [] asm_call_irq_on_stack+0x12/0x20 ---[ end trace 7877b3495d7f636a ]--- FAULT_INJECTION: forcing a failure. name failslab, interval 1, probability 0, space 0, times 0 CPU: 0 PID: 17838 Comm: syz-executor.3 Tainted: G W 5.10.240 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x107/0x167 lib/dump_stack.c:118 fail_dump lib/fault-inject.c:52 [inline] should_fail.cold+0x5/0xa lib/fault-inject.c:146 should_failslab+0x5/0x20 mm/slab_common.c:1200 slab_pre_alloc_hook mm/slab.h:515 [inline] slab_alloc_node mm/slub.c:2821 [inline] slab_alloc mm/slub.c:2904 [inline] kmem_cache_alloc+0x5b/0x310 mm/slub.c:2909 mem_pool_alloc mm/kmemleak.c:423 [inline] create_object.isra.0+0x3a/0xa20 mm/kmemleak.c:578 kmemleak_alloc_recursive include/linux/kmemleak.h:43 [inline] slab_post_alloc_hook mm/slab.h:534 [inline] slab_alloc_node mm/slub.c:2896 [inline] slab_alloc mm/slub.c:2904 [inline] kmem_cache_alloc_trace+0x151/0x320 mm/slub.c:2921 kmalloc include/linux/slab.h:552 [inline] perf_event_mmap_event kernel/events/core.c:8286 [inline] perf_event_mmap+0x51a/0xd90 kernel/events/core.c:8503 __mmap_region mm/mmap.c:1878 [inline] mmap_region+0x3a2/0x1500 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: 0033:0x7f1b63099b62 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:00007f1b6060f0f8 EFLAGS: 00000206 ORIG_RAX: 0000000000000009 RAX: ffffffffffffffda RBX: 0000000000008011 RCX: 00007f1b63099b62 RDX: 0000000000000003 RSI: 0000000000120140 RDI: 00000000200a0000 RBP: 00000000200a0000 R08: 0000000000000005 R09: 0000000000000000 R10: 0000000000008011 R11: 0000000000000206 R12: 0000000020000140 R13: 0000000020ffc000 R14: 00000000200001c0 R15: 00000000200a0000