------------[ cut here ]------------ WARNING: CPU: 1 PID: 8578 at arch/x86/mm/pat/memtype.c:1019 get_pat_info+0x216/0x270 arch/x86/mm/pat/memtype.c:1019 Modules linked in: CPU: 1 PID: 8578 Comm: syz-executor.4 Not tainted 5.10.233 #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 81 81 2e 00 0f 0b e9 97 fe ff ff 41 bc ea ff ff ff e9 77 ff ff ff e8 6a 81 2e 00 <0f> 0b 41 bc ea ff ff ff e9 65 ff ff ff 4c 89 ff e8 f5 78 5a 00 e9 RSP: 0018:ffff88804a3c7898 EFLAGS: 00010216 RAX: 00000000000135cb RBX: ffff8880094a9c00 RCX: ffffc90002a14000 RDX: 0000000000040000 RSI: ffffffff81123696 RDI: 0000000000000007 RBP: ffff88804a3c7950 R08: 0000000000000000 R09: ffff88804a3c7820 R10: 0000000000000020 R11: 0000000000000001 R12: 0000000000000028 R13: 1ffff11009478f13 R14: 0000000000000000 R15: ffff8880094a9c50 FS: 00007f2b7ec69700(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f4550c52004 CR3: 0000000046c08000 CR4: 0000000000350ee0 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:1805 [inline] mmap_region+0xc49/0x1500 mm/mmap.c:2945 do_mmap+0xcdb/0x11e0 mm/mmap.c:1582 vm_mmap_pgoff+0x198/0x1f0 mm/util.c:539 ksys_mmap_pgoff+0x41c/0x560 mm/mmap.c:1633 do_syscall_64+0x33/0x40 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x67/0xd1 RIP: 0033:0x7f2b816f3b62 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:00007f2b7ec690f8 EFLAGS: 00000206 ORIG_RAX: 0000000000000009 RAX: ffffffffffffffda RBX: 0000000000008011 RCX: 00007f2b816f3b62 RDX: 0000000000000003 RSI: 0000000000120140 RDI: 0000000020ffc000 RBP: 0000000020ffc000 R08: 0000000000000004 R09: 0000000000000000 R10: 0000000000008011 R11: 0000000000000206 R12: 00000000200002c0 R13: 0000000020ffe000 R14: 0000000020000180 R15: 0000000020ffc000 irq event stamp: 1187 hardirqs last enabled at (1197): [] console_unlock+0x92d/0xb40 kernel/printk/printk.c:2567 hardirqs last disabled at (1206): [] console_unlock+0x839/0xb40 kernel/printk/printk.c:2482 softirqs last enabled at (592): [] asm_call_irq_on_stack+0x12/0x20 softirqs last disabled at (535): [] asm_call_irq_on_stack+0x12/0x20 ---[ end trace 5d17776f05b792d0 ]--- EXT4-fs (loop2): VFS: Can't find ext4 filesystem FAULT_INJECTION: forcing a failure. name failslab, interval 1, probability 0, space 0, times 0 CPU: 1 PID: 8594 Comm: syz-executor.6 Tainted: G W 5.10.233 #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 alloc_inode+0x171/0x240 fs/inode.c:235 new_inode_pseudo+0x14/0xe0 fs/inode.c:968 __ns_get_path+0x120/0x7e0 fs/nsfs.c:80 ns_get_path_cb fs/nsfs.c:118 [inline] ns_get_path+0x3d/0xa0 fs/nsfs.c:144 perf_fill_ns_link_info+0x76/0x1f0 kernel/events/core.c:7985 perf_event_namespaces.part.0+0x131/0x180 kernel/events/core.c:8043 perf_event_namespaces kernel/events/core.c:7999 [inline] perf_event_fork+0x4a/0x60 kernel/events/core.c:7820 copy_process+0x505a/0x7800 kernel/fork.c:2338 create_io_thread+0xb6/0xf0 kernel/fork.c:2454 io_sq_offload_create io_uring/io_uring.c:8609 [inline] io_uring_create io_uring/io_uring.c:10243 [inline] io_uring_setup+0x1d79/0x2980 io_uring/io_uring.c:10329 do_syscall_64+0x33/0x40 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x67/0xd1 RIP: 0033:0x7fe806f75b19 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:00007fe8044ca108 EFLAGS: 00000202 ORIG_RAX: 00000000000001a9 RAX: ffffffffffffffda RBX: 00007fe807089020 RCX: 00007fe806f75b19 RDX: 0000000020ffe000 RSI: 0000000020000240 RDI: 0000000000007670 RBP: 0000000020000240 R08: 00000000200002c0 R09: 00000000200002c0 R10: 0000000020000180 R11: 0000000000000202 R12: 00000000200002c0 R13: 0000000020ffe000 R14: 0000000020000180 R15: 0000000020ffc000 FAULT_INJECTION: forcing a failure. name failslab, interval 1, probability 0, space 0, times 0 CPU: 1 PID: 8597 Comm: syz-executor.7 Tainted: G W 5.10.233 #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] __kmalloc_node_track_caller+0x74/0x3b0 mm/slub.c:4496 __kmalloc_reserve net/core/skbuff.c:144 [inline] __alloc_skb+0xb1/0x5b0 net/core/skbuff.c:212 alloc_skb include/linux/skbuff.h:1099 [inline] netlink_alloc_large_skb net/netlink/af_netlink.c:1179 [inline] netlink_sendmsg+0x998/0xdf0 net/netlink/af_netlink.c:1876 sock_sendmsg_nosec net/socket.c:651 [inline] __sock_sendmsg+0x154/0x190 net/socket.c:663 ____sys_sendmsg+0x70d/0x870 net/socket.c:2378 ___sys_sendmsg+0xf3/0x170 net/socket.c:2432 __sys_sendmsg+0xe5/0x1b0 net/socket.c:2461 do_syscall_64+0x33/0x40 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x67/0xd1 RIP: 0033:0x7fdd06365b19 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:00007fdd038db188 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 00007fdd06478f60 RCX: 00007fdd06365b19 RDX: 0000000000000000 RSI: 0000000020000000 RDI: 0000000000000003 RBP: 00007fdd038db1d0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 R13: 00007ffe622f79cf R14: 00007fdd038db300 R15: 0000000000022000 EXT4-fs (loop2): VFS: Can't find ext4 filesystem