RBP: 0000000020ffb000 R08: 0000000000000005 R09: 0000000000000000 R10: 0000000000008011 R11: 0000000000000206 R12: 0000000020000140 R13: 0000000020ffc000 R14: 0000000020000100 R15: 0000000020ffb000 ------------[ cut here ]------------ WARNING: CPU: 0 PID: 9881 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: 9881 Comm: syz-executor.3 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:ffff88804db27898 EFLAGS: 00010216 RAX: 000000000000ae54 RBX: ffff88800ce4e900 RCX: ffffc900041fc000 RDX: 0000000000040000 RSI: ffffffff811243e6 RDI: 0000000000000007 RBP: ffff88804db27950 R08: 0000000000000000 R09: ffff88804db27820 R10: 0000000000000020 R11: 0000000000000001 R12: 0000000000000028 R13: 1ffff11009b64f13 R14: 0000000000000000 R15: ffff88800ce4e950 FS: 00007fd716a50700(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f540fb72b58 CR3: 000000004bc1a000 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: 0033:0x7fd7194dab62 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:00007fd716a500f8 EFLAGS: 00000206 ORIG_RAX: 0000000000000009 RAX: ffffffffffffffda RBX: 0000000000008011 RCX: 00007fd7194dab62 RDX: 0000000000000003 RSI: 0000000000120140 RDI: 0000000020ffb000 RBP: 0000000020ffb000 R08: 0000000000000005 R09: 0000000000000000 R10: 0000000000008011 R11: 0000000000000206 R12: 0000000020000140 R13: 0000000020ffc000 R14: 0000000020000100 R15: 0000000020ffb000 irq event stamp: 1065 hardirqs last enabled at (1071): [] console_trylock_spinning kernel/printk/printk.c:1849 [inline] hardirqs last enabled at (1071): [] vprintk_emit+0x490/0x4e0 kernel/printk/printk.c:2059 hardirqs last disabled at (1076): [] console_trylock_spinning kernel/printk/printk.c:1828 [inline] hardirqs last disabled at (1076): [] vprintk_emit+0x422/0x4e0 kernel/printk/printk.c:2059 softirqs last enabled at (952): [] asm_call_irq_on_stack+0x12/0x20 softirqs last disabled at (943): [] asm_call_irq_on_stack+0x12/0x20 ---[ end trace 630af4c4280e07a4 ]--- FAULT_INJECTION: forcing a failure. name failslab, interval 1, probability 0, space 0, times 0 CPU: 1 PID: 9886 Comm: syz-executor.2 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+0x159/0x310 mm/slub.c:2909 proc_alloc_inode+0x18/0x200 fs/proc/inode.c:69 alloc_inode+0x63/0x240 fs/inode.c:233 new_inode_pseudo fs/inode.c:968 [inline] new_inode+0x23/0x250 fs/inode.c:997 proc_pid_make_inode+0x22/0x220 fs/proc/base.c:1952 proc_pident_instantiate+0x81/0x320 fs/proc/base.c:2693 proc_pident_lookup+0x1eb/0x270 fs/proc/base.c:2729 __lookup_slow+0x252/0x490 fs/namei.c:1556 lookup_slow fs/namei.c:1573 [inline] walk_component+0x41e/0x6a0 fs/namei.c:1868 link_path_walk.part.0+0x699/0xbf0 fs/namei.c:2191 link_path_walk fs/namei.c:2120 [inline] path_openat+0x25d/0x2770 fs/namei.c:3421 do_filp_open+0x190/0x3e0 fs/namei.c:3452 do_sys_openat2+0x171/0x4d0 fs/open.c:1227 do_sys_open fs/open.c:1243 [inline] __do_sys_openat fs/open.c:1259 [inline] __se_sys_openat fs/open.c:1254 [inline] __x64_sys_openat+0x13f/0x1f0 fs/open.c:1254 do_syscall_64+0x33/0x40 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x67/0xd1 RIP: 0033:0x7fee5355ca04 Code: 84 00 00 00 00 00 44 89 54 24 0c e8 96 f9 ff ff 44 8b 54 24 0c 44 89 e2 48 89 ee 41 89 c0 bf 9c ff ff ff b8 01 01 00 00 0f 05 <48> 3d 00 f0 ff ff 77 34 44 89 c7 89 44 24 0c e8 c8 f9 ff ff 8b 44 RSP: 002b:00007fee50b1f0b0 EFLAGS: 00000293 ORIG_RAX: 0000000000000101 RAX: ffffffffffffffda RBX: 00007fee536bcf60 RCX: 00007fee5355ca04 RDX: 0000000000000000 RSI: 00007fee53602f82 RDI: 00000000ffffff9c RBP: 00007fee53602f82 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000000 R13: 00007ffccc5ccf6f R14: 00007fee50b1f300 R15: 0000000000022000