------------[ cut here ]------------ WARNING: CPU: 1 PID: 13420 at arch/x86/mm/pat/memtype.c:1099 untrack_pfn+0x247/0x290 Modules linked in: CPU: 1 PID: 13420 Comm: syz-executor.3 Not tainted 5.18.0-rc1-next-20220406 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.14.0-0-g155821a1990b-prebuilt.qemu.org 04/01/2014 RIP: 0010:untrack_pfn+0x247/0x290 Code: 84 6c ff ff ff e8 29 cb 30 00 4c 89 ee 4c 89 e7 e8 9e db ff ff e8 19 cb 30 00 48 85 db 0f 85 58 ff ff ff eb 82 e8 09 cb 30 00 <0f> 0b e9 76 ff ff ff 48 89 df e8 8a e5 63 00 e9 98 fe ff ff e8 d0 RSP: 0018:ffff888044d4f748 EFLAGS: 00010212 RAX: 0000000000039db1 RBX: ffff88801cee4100 RCX: ffffc90007600000 RDX: 0000000000040000 RSI: ffffffff81133e77 RDI: 0000000000000003 RBP: 1ffff110089a9ee9 R08: 0000000000000000 R09: ffff88804291a543 R10: ffffffff81133d46 R11: 0000000000000001 R12: 00000000ffffffea R13: 0000000000000000 R14: 0000000000000000 R15: ffff88801cee4150 FS: 00007fc1bffff700(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fa22acd5218 CR3: 000000000ecb2000 CR4: 0000000000350ee0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000ffff4ff0 DR7: 0000000000000400 Call Trace: <TASK> unmap_single_vma+0x1bc/0x310 unmap_vmas+0x16b/0x2f0 exit_mmap+0x192/0x460 mmput+0xc8/0x380 dup_mm+0xdd1/0x1250 SELinux: unrecognized netlink message: protocol=0 nlmsg_type=0 sclass=netlink_route_socket pid=13433 comm=syz-executor.4 copy_process+0x698c/0x6db0 kernel_clone+0xe7/0xa60 __do_sys_fork+0x8a/0xc0 do_syscall_64+0x3b/0x90 entry_SYSCALL_64_after_hwframe+0x44/0xae RIP: 0033:0x7fc1c2a89b19 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:00007fc1bffff188 EFLAGS: 00000246 ORIG_RAX: 0000000000000039 RAX: ffffffffffffffda RBX: 00007fc1c2b9cf60 RCX: 00007fc1c2a89b19 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 00007fc1bffff1d0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 R13: 00007fff0449096f R14: 00007fc1bffff300 R15: 0000000000022000 </TASK> irq event stamp: 2209 hardirqs last enabled at (2217): [<ffffffff812af388>] __up_console_sem+0x78/0x80 hardirqs last disabled at (2226): [<ffffffff812af36d>] __up_console_sem+0x5d/0x80 softirqs last enabled at (1964): [<ffffffff811689b3>] __irq_exit_rcu+0x113/0x170 softirqs last disabled at (1951): [<ffffffff811689b3>] __irq_exit_rcu+0x113/0x170 SELinux: unrecognized netlink message: protocol=0 nlmsg_type=0 sclass=netlink_route_socket pid=13434 comm=syz-executor.4 ---[ end trace 0000000000000000 ]--- SELinux: unrecognized netlink message: protocol=0 nlmsg_type=0 sclass=netlink_route_socket pid=13446 comm=syz-executor.4 SELinux: unrecognized netlink message: protocol=0 nlmsg_type=0 sclass=netlink_route_socket pid=13448 comm=syz-executor.4 FAULT_INJECTION: forcing a failure. name failslab, interval 1, probability 0, space 0, times 0 CPU: 0 PID: 13451 Comm: syz-executor.3 Tainted: G W 5.18.0-rc1-next-20220406 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.14.0-0-g155821a1990b-prebuilt.qemu.org 04/01/2014 Call Trace: <TASK> dump_stack_lvl+0x8b/0xb3 should_fail.cold+0x5/0xa should_failslab+0x5/0x10 kmem_cache_alloc+0x5b/0x480 ptlock_alloc+0x1d/0x70 pte_alloc_one+0x68/0x1f0 __pte_alloc+0x69/0x200 copy_page_range+0x207a/0x4cc0 dup_mm+0x961/0x1250 copy_process+0x698c/0x6db0 kernel_clone+0xe7/0xa60 __do_sys_fork+0x8a/0xc0 do_syscall_64+0x3b/0x90 entry_SYSCALL_64_after_hwframe+0x44/0xae RIP: 0033:0x7fc1c2a89b19 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:00007fc1bffff188 EFLAGS: 00000246 ORIG_RAX: 0000000000000039 RAX: ffffffffffffffda RBX: 00007fc1c2b9cf60 RCX: 00007fc1c2a89b19 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 00007fc1bffff1d0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 R13: 00007fff0449096f R14: 00007fc1bffff300 R15: 0000000000022000 </TASK> FAULT_INJECTION: forcing a failure. name failslab, interval 1, probability 0, space 0, times 0 CPU: 0 PID: 13461 Comm: syz-executor.5 Tainted: G W 5.18.0-rc1-next-20220406 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.14.0-0-g155821a1990b-prebuilt.qemu.org 04/01/2014 Call Trace: <TASK> dump_stack_lvl+0x8b/0xb3 should_fail.cold+0x5/0xa should_failslab+0x5/0x10 kmem_cache_alloc+0x5b/0x480 create_object.isra.0+0x3a/0xa20 kmem_cache_alloc+0x239/0x480 ext4_mb_new_blocks+0x64b/0x4b60 ext4_ext_map_blocks+0x1fb0/0x5cd0 ext4_map_blocks+0x652/0x1970 ext4_alloc_file_blocks.isra.0+0x2c1/0xb20 ext4_fallocate+0x1a2b/0x3c90 vfs_fallocate+0x489/0xe00 __x64_sys_fallocate+0xcf/0x140 do_syscall_64+0x3b/0x90 entry_SYSCALL_64_after_hwframe+0x44/0xae RIP: 0033:0x7f35817a9b19 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:00007f357ed1f188 EFLAGS: 00000246 ORIG_RAX: 000000000000011d RAX: ffffffffffffffda RBX: 00007f35818bcf60 RCX: 00007f35817a9b19 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000006 RBP: 00007f357ed1f1d0 R08: 0000000000000000 R09: 0000000000000000 R10: 00000000087ffffc R11: 0000000000000246 R12: 0000000000000002 R13: 00007ffdd683fcbf R14: 00007f357ed1f300 R15: 0000000000022000 </TASK>