------------[ cut here ]------------ WARNING: CPU: 1 PID: 12315 at arch/x86/mm/pat/memtype.c:1019 get_pat_info+0x216/0x270 arch/x86/mm/pat/memtype.c:1019 Modules linked in: iomap_apply+0x164/0x810 fs/iomap/apply.c:46 __iomap_dio_rw+0x6cd/0x1110 fs/iomap/direct-io.c:519 iomap_dio_rw+0x31/0x90 fs/iomap/direct-io.c:607 ext4_dio_write_iter fs/ext4/file.c:541 [inline] ext4_file_write_iter+0xe0e/0x1530 fs/ext4/file.c:660 CPU: 1 PID: 12315 Comm: syz-executor.7 Not tainted 5.10.242 #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 f1 8d 2e 00 0f 0b e9 97 fe ff ff 41 bc ea ff ff ff e9 77 ff ff ff e8 da 8d 2e 00 <0f> 0b 41 bc ea ff ff ff e9 65 ff ff ff 4c 89 ff e8 85 a1 5a 00 e9 RSP: 0018:ffff88802b707890 EFLAGS: 00010212 RAX: 0000000000014d11 RBX: ffff888032d0cc00 RCX: ffffc9000641d000 call_write_iter include/linux/fs.h:2039 [inline] do_iter_readv_writev+0x476/0x750 fs/read_write.c:740 RDX: 0000000000040000 RSI: ffffffff811243f6 RDI: 0000000000000007 RBP: ffff88802b707948 R08: 0000000000000000 R09: ffff88802b707818 R10: 0000000000000020 R11: 0000000000000001 R12: 0000000000000028 R13: 1ffff110056e0f12 R14: 0000000000000000 R15: ffff888032d0cc50 do_iter_write+0x191/0x700 fs/read_write.c:866 FS: 00007fbb2634c700(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 vfs_iter_write+0x70/0xa0 fs/read_write.c:907 iter_file_splice_write+0x726/0xc90 fs/splice.c:689 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f04eaf4ff80 CR3: 000000000e7de000 CR4: 0000000000350ee0 Call Trace: do_splice_from fs/splice.c:767 [inline] direct_splice_actor+0x10f/0x170 fs/splice.c:936 splice_direct_to_actor+0x387/0x980 fs/splice.c:891 do_splice_direct+0x1c4/0x290 fs/splice.c:979 untrack_pfn+0xdc/0x240 arch/x86/mm/pat/memtype.c:1121 do_sendfile+0x553/0x11e0 fs/read_write.c:1257 unmap_single_vma+0x1bc/0x300 mm/memory.c:1499 zap_page_range_single+0x2ce/0x450 mm/memory.c:1603 __do_sys_sendfile64 fs/read_write.c:1318 [inline] __se_sys_sendfile64 fs/read_write.c:1304 [inline] __x64_sys_sendfile64+0x1d1/0x210 fs/read_write.c:1304 do_syscall_64+0x33/0x40 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x67/0xd1 RIP: 0033:0x7f4ef9c71b19 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:00007f4ef71e7188 EFLAGS: 00000246 remap_pfn_range_notrack mm/memory.c:2363 [inline] remap_pfn_range+0x139/0x160 mm/memory.c:2388 ORIG_RAX: 0000000000000028 RAX: ffffffffffffffda RBX: 00007f4ef9d84f60 RCX: 00007f4ef9c71b19 RDX: 0000000000000000 RSI: 0000000000000004 RDI: 0000000000000003 RBP: 00007f4ef71e71d0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000100000001 R11: 0000000000000246 R12: 0000000000000002 R13: 00007fff35ef1e2f R14: 00007f4ef71e7300 R15: 0000000000022000 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:1817 [inline] mmap_region+0xc4d/0x1500 mm/mmap.c:2957 do_mmap+0x868/0x1370 mm/mmap.c:1594 vm_mmap_pgoff+0x198/0x1f0 mm/util.c:539 ksys_mmap_pgoff+0x41c/0x560 mm/mmap.c:1645 do_syscall_64+0x33/0x40 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x67/0xd1 RIP: 0033:0x7fbb28dd6b62 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:00007fbb2634c0f8 EFLAGS: 00000206 ORIG_RAX: 0000000000000009 RAX: ffffffffffffffda RBX: 0000000000008011 RCX: 00007fbb28dd6b62 RDX: 0000000000000003 RSI: 0000000000200000 RDI: 0000000020ffc000 RBP: 0000000020ffc000 R08: 0000000000000004 R09: 0000000010000000 R10: 0000000000008011 R11: 0000000000000206 R12: 0000000020000140 R13: 0000000020ffc000 R14: 0000000020000200 R15: 00000000200a0000 irq event stamp: 1905 hardirqs last enabled at (1913): [] console_unlock+0x92d/0xb40 kernel/printk/printk.c:2567 hardirqs last disabled at (1922): [] console_unlock+0x839/0xb40 kernel/printk/printk.c:2482 softirqs last enabled at (1206): [] asm_call_irq_on_stack+0x12/0x20 softirqs last disabled at (1177): [] asm_call_irq_on_stack+0x12/0x20 ---[ end trace 2c48828f96fb49f1 ]--- wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready netlink: 4 bytes leftover after parsing attributes in process `syz-executor.3'. wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready netlink: 296 bytes leftover after parsing attributes in process `syz-executor.1'. SELinux: unrecognized netlink message: protocol=6 nlmsg_type=0 sclass=netlink_xfrm_socket pid=12339 comm=syz-executor.5 FAULT_INJECTION: forcing a failure. name failslab, interval 1, probability 0, space 0, times 0 CPU: 1 PID: 12345 Comm: syz-executor.4 Tainted: G W 5.10.242 #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:512 [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 __es_alloc_extent fs/ext4/extents_status.c:485 [inline] __es_alloc_extent fs/ext4/extents_status.c:482 [inline] __es_insert_extent+0xed1/0x1370 fs/ext4/extents_status.c:834 ext4_es_insert_extent+0x45d/0xf10 fs/ext4/extents_status.c:914 ext4_map_blocks+0x80b/0x1910 fs/ext4/inode.c:732 ext4_iomap_alloc fs/ext4/inode.c:3494 [inline] ext4_iomap_begin+0x3ad/0x700 fs/ext4/inode.c:3544 iomap_apply+0x164/0x810 fs/iomap/apply.c:46 __iomap_dio_rw+0x6cd/0x1110 fs/iomap/direct-io.c:519 iomap_dio_rw+0x31/0x90 fs/iomap/direct-io.c:607 ext4_dio_write_iter fs/ext4/file.c:541 [inline] ext4_file_write_iter+0xe0e/0x1530 fs/ext4/file.c:660 call_write_iter include/linux/fs.h:2039 [inline] do_iter_readv_writev+0x476/0x750 fs/read_write.c:740 FAULT_INJECTION: forcing a failure. name failslab, interval 1, probability 0, space 0, times 0 do_iter_write+0x191/0x700 fs/read_write.c:866 vfs_iter_write+0x70/0xa0 fs/read_write.c:907 iter_file_splice_write+0x726/0xc90 fs/splice.c:689 do_splice_from fs/splice.c:767 [inline] direct_splice_actor+0x10f/0x170 fs/splice.c:936 splice_direct_to_actor+0x387/0x980 fs/splice.c:891 do_splice_direct+0x1c4/0x290 fs/splice.c:979 do_sendfile+0x553/0x11e0 fs/read_write.c:1257 __do_sys_sendfile64 fs/read_write.c:1318 [inline] __se_sys_sendfile64 fs/read_write.c:1304 [inline] __x64_sys_sendfile64+0x1d1/0x210 fs/read_write.c:1304 do_syscall_64+0x33/0x40 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x67/0xd1 RIP: 0033:0x7f4ef9c71b19 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:00007f4ef71e7188 EFLAGS: 00000246 ORIG_RAX: 0000000000000028 RAX: ffffffffffffffda RBX: 00007f4ef9d84f60 RCX: 00007f4ef9c71b19 RDX: 0000000000000000 RSI: 0000000000000004 RDI: 0000000000000003 RBP: 00007f4ef71e71d0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000100000001 R11: 0000000000000246 R12: 0000000000000002 R13: 00007fff35ef1e2f R14: 00007f4ef71e7300 R15: 0000000000022000 CPU: 0 PID: 12341 Comm: syz-executor.7 Tainted: G W 5.10.242 #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:512 [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 ptlock_alloc+0x1d/0x70 mm/memory.c:5364 ptlock_init include/linux/mm.h:2207 [inline] pgtable_pte_page_ctor include/linux/mm.h:2234 [inline] __pte_alloc_one include/asm-generic/pgalloc.h:66 [inline] pte_alloc_one+0x68/0x1a0 arch/x86/mm/pgtable.c:33 __pte_alloc+0x1d/0x330 mm/memory.c:428 remap_pte_range mm/memory.c:2208 [inline] remap_pmd_range mm/memory.c:2241 [inline] remap_pud_range mm/memory.c:2263 [inline] remap_p4d_range mm/memory.c:2285 [inline] remap_pfn_range_internal+0x9a3/0xf60 mm/memory.c:2337 remap_pfn_range_notrack mm/memory.c:2353 [inline] remap_pfn_range+0xcd/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:1817 [inline] mmap_region+0xc4d/0x1500 mm/mmap.c:2957 do_mmap+0x868/0x1370 mm/mmap.c:1594 vm_mmap_pgoff+0x198/0x1f0 mm/util.c:539 ksys_mmap_pgoff+0x41c/0x560 mm/mmap.c:1645 do_syscall_64+0x33/0x40 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x67/0xd1 RIP: 0033:0x7fbb28dd6b62 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:00007fbb2634c0f8 EFLAGS: 00000206 ORIG_RAX: 0000000000000009 RAX: ffffffffffffffda RBX: 0000000000008011 RCX: 00007fbb28dd6b62 RDX: 0000000000000003 RSI: 0000000000200000 RDI: 0000000020ffc000 RBP: 0000000020ffc000 R08: 0000000000000008 R09: 0000000010000000 R10: 0000000000008011 R11: 0000000000000206 R12: 0000000020000140 R13: 0000000020ffc000 R14: 0000000020000200 R15: 00000000200a0000