======================================================
[ INFO: possible circular locking dependency detected ]
4.4.174+ #4 Not tainted
-------------------------------------------------------
syz-executor.5/22874 is trying to acquire lock:
 (sel_mutex){+.+.+.}, at: [<ffffffff81979d7e>] sel_write_load+0x9e/0xf90 security/selinux/selinuxfs.c:511

but task is already holding lock:
 (&pipe->mutex/1){+.+.+.}, at: [<ffffffff814af8b3>] pipe_lock_nested fs/pipe.c:65 [inline]
 (&pipe->mutex/1){+.+.+.}, at: [<ffffffff814af8b3>] pipe_lock+0x63/0x80 fs/pipe.c:73

which lock already depends on the new lock.


the existing dependency chain (in reverse order) is:

       [<ffffffff81205f6e>] lock_acquire+0x15e/0x450 kernel/locking/lockdep.c:3592
       [<ffffffff8270c191>] __mutex_lock_common kernel/locking/mutex.c:521 [inline]
       [<ffffffff8270c191>] mutex_lock_nested+0xc1/0xb80 kernel/locking/mutex.c:621
       [<ffffffff814b28fd>] __pipe_lock fs/pipe.c:86 [inline]
       [<ffffffff814b28fd>] fifo_open+0x15d/0xa00 fs/pipe.c:896
       [<ffffffff8149154f>] do_dentry_open+0x38f/0xbd0 fs/open.c:749
       [<ffffffff81494d3b>] vfs_open+0x10b/0x210 fs/open.c:862
       [<ffffffff814c5ddf>] do_last fs/namei.c:3269 [inline]
       [<ffffffff814c5ddf>] path_openat+0x136f/0x4470 fs/namei.c:3406
       [<ffffffff814ccab1>] do_filp_open+0x1a1/0x270 fs/namei.c:3440
       [<ffffffff814a7c8c>] do_open_execat+0x10c/0x6e0 fs/exec.c:805
       [<ffffffff814ad306>] do_execveat_common.isra.0+0x6f6/0x1e90 fs/exec.c:1577
       [<ffffffff814af422>] do_execve fs/exec.c:1683 [inline]
       [<ffffffff814af422>] SYSC_execve fs/exec.c:1764 [inline]
       [<ffffffff814af422>] SyS_execve+0x42/0x50 fs/exec.c:1759
       [<ffffffff82718ef5>] return_from_execve+0x0/0x23

       [<ffffffff81205f6e>] lock_acquire+0x15e/0x450 kernel/locking/lockdep.c:3592
       [<ffffffff8270d8a2>] __mutex_lock_common kernel/locking/mutex.c:521 [inline]
       [<ffffffff8270d8a2>] mutex_lock_killable_nested+0xd2/0xd00 kernel/locking/mutex.c:641
       [<ffffffff815eaa24>] lock_trace+0x44/0xc0 fs/proc/base.c:448
       [<ffffffff815eb28b>] proc_pid_syscall+0x9b/0x250 fs/proc/base.c:683
       [<ffffffff815e2e66>] proc_single_show+0xf6/0x160 fs/proc/base.c:805
SELinux: unrecognized netlink message: protocol=0 nlmsg_type=65535 sclass=netlink_route_socket
       [<ffffffff8150805d>] seq_read+0x4cd/0x1240 fs/seq_file.c:240
       [<ffffffff81497088>] do_loop_readv_writev+0x148/0x1e0 fs/read_write.c:682
       [<ffffffff81498ee3>] do_readv_writev+0x573/0x6e0 fs/read_write.c:812
       [<ffffffff814990ca>] vfs_readv+0x7a/0xb0 fs/read_write.c:836
       [<ffffffff8153601c>] kernel_readv fs/splice.c:586 [inline]
       [<ffffffff8153601c>] default_file_splice_read+0x3ac/0x8b0 fs/splice.c:662
       [<ffffffff815321ff>] do_splice_to+0xff/0x160 fs/splice.c:1154
       [<ffffffff815324a9>] splice_direct_to_actor+0x249/0x850 fs/splice.c:1226
       [<ffffffff81532c55>] do_splice_direct+0x1a5/0x260 fs/splice.c:1337
       [<ffffffff8149a2fd>] do_sendfile+0x4ed/0xba0 fs/read_write.c:1229
       [<ffffffff8149c317>] SYSC_sendfile64 fs/read_write.c:1290 [inline]
       [<ffffffff8149c317>] SyS_sendfile64+0x137/0x150 fs/read_write.c:1276
       [<ffffffff82718ba1>] entry_SYSCALL_64_fastpath+0x1e/0x9a

       [<ffffffff81205f6e>] lock_acquire+0x15e/0x450 kernel/locking/lockdep.c:3592
       [<ffffffff8270c191>] __mutex_lock_common kernel/locking/mutex.c:521 [inline]
       [<ffffffff8270c191>] mutex_lock_nested+0xc1/0xb80 kernel/locking/mutex.c:621
       [<ffffffff81507c66>] seq_read+0xd6/0x1240 fs/seq_file.c:178
       [<ffffffff81497088>] do_loop_readv_writev+0x148/0x1e0 fs/read_write.c:682
       [<ffffffff81498ee3>] do_readv_writev+0x573/0x6e0 fs/read_write.c:812
       [<ffffffff814990ca>] vfs_readv+0x7a/0xb0 fs/read_write.c:836
       [<ffffffff8153601c>] kernel_readv fs/splice.c:586 [inline]
       [<ffffffff8153601c>] default_file_splice_read+0x3ac/0x8b0 fs/splice.c:662
       [<ffffffff815321ff>] do_splice_to+0xff/0x160 fs/splice.c:1154
       [<ffffffff815324a9>] splice_direct_to_actor+0x249/0x850 fs/splice.c:1226
       [<ffffffff81532c55>] do_splice_direct+0x1a5/0x260 fs/splice.c:1337
       [<ffffffff8149a2fd>] do_sendfile+0x4ed/0xba0 fs/read_write.c:1229
       [<ffffffff8149c317>] SYSC_sendfile64 fs/read_write.c:1290 [inline]
       [<ffffffff8149c317>] SyS_sendfile64+0x137/0x150 fs/read_write.c:1276
       [<ffffffff82718ba1>] entry_SYSCALL_64_fastpath+0x1e/0x9a

       [<ffffffff81205f6e>] lock_acquire+0x15e/0x450 kernel/locking/lockdep.c:3592
       [<ffffffff8149ea2f>] percpu_down_read include/linux/percpu-rwsem.h:26 [inline]
       [<ffffffff8149ea2f>] __sb_start_write+0x1af/0x310 fs/super.c:1239
       [<ffffffff816c3af4>] sb_start_write include/linux/fs.h:1517 [inline]
       [<ffffffff816c3af4>] ext4_run_li_request fs/ext4/super.c:2685 [inline]
       [<ffffffff816c3af4>] ext4_lazyinit_thread fs/ext4/super.c:2784 [inline]
       [<ffffffff816c3af4>] ext4_lazyinit_thread+0x1e4/0x7b0 fs/ext4/super.c:2760
       [<ffffffff811342c3>] kthread+0x273/0x310 kernel/kthread.c:211
       [<ffffffff82718fc5>] ret_from_fork+0x55/0x80 arch/x86/entry/entry_64.S:537

       [<ffffffff81205f6e>] lock_acquire+0x15e/0x450 kernel/locking/lockdep.c:3592
       [<ffffffff8270c191>] __mutex_lock_common kernel/locking/mutex.c:521 [inline]
       [<ffffffff8270c191>] mutex_lock_nested+0xc1/0xb80 kernel/locking/mutex.c:621
       [<ffffffff816cdacd>] ext4_register_li_request+0x2fd/0x7d0 fs/ext4/super.c:2972
       [<ffffffff816cf306>] ext4_remount+0x1366/0x1b90 fs/ext4/super.c:4922
       [<ffffffff814a1ccb>] do_remount_sb2+0x41b/0x7a0 fs/super.c:781
       [<ffffffff815028ab>] do_remount fs/namespace.c:2347 [inline]
       [<ffffffff815028ab>] do_mount+0xfdb/0x2a40 fs/namespace.c:2860
       [<ffffffff81504d00>] SYSC_mount fs/namespace.c:3063 [inline]
       [<ffffffff81504d00>] SyS_mount+0x130/0x1d0 fs/namespace.c:3041
       [<ffffffff82718ba1>] entry_SYSCALL_64_fastpath+0x1e/0x9a

       [<ffffffff81205f6e>] lock_acquire+0x15e/0x450 kernel/locking/lockdep.c:3592
       [<ffffffff8270c191>] __mutex_lock_common kernel/locking/mutex.c:521 [inline]
       [<ffffffff8270c191>] mutex_lock_nested+0xc1/0xb80 kernel/locking/mutex.c:621
       [<ffffffff816cd859>] ext4_register_li_request+0x89/0x7d0 fs/ext4/super.c:2945
       [<ffffffff816cf306>] ext4_remount+0x1366/0x1b90 fs/ext4/super.c:4922
       [<ffffffff814a1ccb>] do_remount_sb2+0x41b/0x7a0 fs/super.c:781
       [<ffffffff815028ab>] do_remount fs/namespace.c:2347 [inline]
       [<ffffffff815028ab>] do_mount+0xfdb/0x2a40 fs/namespace.c:2860
       [<ffffffff81504d00>] SYSC_mount fs/namespace.c:3063 [inline]
       [<ffffffff81504d00>] SyS_mount+0x130/0x1d0 fs/namespace.c:3041
       [<ffffffff82718ba1>] entry_SYSCALL_64_fastpath+0x1e/0x9a

       [<ffffffff81205f6e>] lock_acquire+0x15e/0x450 kernel/locking/lockdep.c:3592
       [<ffffffff827139a2>] down_read+0x42/0x60 kernel/locking/rwsem.c:22
       [<ffffffff814a1411>] iterate_supers+0xe1/0x250 fs/super.c:547
       [<ffffffff819b19f7>] selinux_complete_init+0x2f/0x31 security/selinux/hooks.c:6154
       [<ffffffff819a353d>] security_load_policy+0x69d/0x9c0 security/selinux/ss/services.c:2060
       [<ffffffff81979e55>] sel_write_load+0x175/0xf90 security/selinux/selinuxfs.c:535
       [<ffffffff81496916>] __vfs_write+0x116/0x3d0 fs/read_write.c:491
       [<ffffffff81498612>] vfs_write+0x182/0x4e0 fs/read_write.c:540
       [<ffffffff8149ac4c>] SYSC_write fs/read_write.c:587 [inline]
       [<ffffffff8149ac4c>] SyS_write+0xdc/0x1c0 fs/read_write.c:579
       [<ffffffff82718ba1>] entry_SYSCALL_64_fastpath+0x1e/0x9a

       [<ffffffff81202d86>] check_prev_add kernel/locking/lockdep.c:1853 [inline]
       [<ffffffff81202d86>] check_prevs_add kernel/locking/lockdep.c:1958 [inline]
       [<ffffffff81202d86>] validate_chain kernel/locking/lockdep.c:2144 [inline]
       [<ffffffff81202d86>] __lock_acquire+0x37d6/0x4f50 kernel/locking/lockdep.c:3213
       [<ffffffff81205f6e>] lock_acquire+0x15e/0x450 kernel/locking/lockdep.c:3592
       [<ffffffff8270c191>] __mutex_lock_common kernel/locking/mutex.c:521 [inline]
       [<ffffffff8270c191>] mutex_lock_nested+0xc1/0xb80 kernel/locking/mutex.c:621
       [<ffffffff81979d7e>] sel_write_load+0x9e/0xf90 security/selinux/selinuxfs.c:511
       [<ffffffff81496916>] __vfs_write+0x116/0x3d0 fs/read_write.c:491
       [<ffffffff81496ce2>] __kernel_write+0x112/0x370 fs/read_write.c:513
       [<ffffffff81532e6d>] write_pipe_buf+0x15d/0x1f0 fs/splice.c:1074
       [<ffffffff81533b6e>] splice_from_pipe_feed fs/splice.c:776 [inline]
       [<ffffffff81533b6e>] __splice_from_pipe+0x37e/0x7a0 fs/splice.c:901
       [<ffffffff81536be8>] splice_from_pipe+0x108/0x170 fs/splice.c:936
       [<ffffffff81536cdc>] default_file_splice_write+0x3c/0x80 fs/splice.c:1086
       [<ffffffff81537d31>] do_splice_from fs/splice.c:1128 [inline]
       [<ffffffff81537d31>] do_splice fs/splice.c:1404 [inline]
       [<ffffffff81537d31>] SYSC_splice fs/splice.c:1707 [inline]
       [<ffffffff81537d31>] SyS_splice+0xd71/0x13a0 fs/splice.c:1690
       [<ffffffff82718ba1>] entry_SYSCALL_64_fastpath+0x1e/0x9a

other info that might help us debug this:

Chain exists of:
 Possible unsafe locking scenario:

       CPU0                    CPU1
       ----                    ----
  lock(&pipe->mutex/1);
                               lock(&sig->cred_guard_mutex);
                               lock(&pipe->mutex/1);
  lock(sel_mutex);

 *** DEADLOCK ***

2 locks held by syz-executor.5/22874:
 #0:  (sb_writers#3){.+.+.+}, at: [<ffffffff81537eed>] file_start_write include/linux/fs.h:2543 [inline]
 #0:  (sb_writers#3){.+.+.+}, at: [<ffffffff81537eed>] do_splice fs/splice.c:1403 [inline]
 #0:  (sb_writers#3){.+.+.+}, at: [<ffffffff81537eed>] SYSC_splice fs/splice.c:1707 [inline]
 #0:  (sb_writers#3){.+.+.+}, at: [<ffffffff81537eed>] SyS_splice+0xf2d/0x13a0 fs/splice.c:1690
 #1:  (&pipe->mutex/1){+.+.+.}, at: [<ffffffff814af8b3>] pipe_lock_nested fs/pipe.c:65 [inline]
 #1:  (&pipe->mutex/1){+.+.+.}, at: [<ffffffff814af8b3>] pipe_lock+0x63/0x80 fs/pipe.c:73

stack backtrace:
CPU: 0 PID: 22874 Comm: syz-executor.5 Not tainted 4.4.174+ #4
 0000000000000000 442f65c9570c34b2 ffff8801bb9e7530 ffffffff81aad1a1
 ffffffff84057a80 ffff8801d93917c0 ffffffff83ab8a20 ffffffff83abd610
 ffffffff83ab6860 ffff8801bb9e7580 ffffffff813abcda ffffffff83e86800
Call Trace:
 [<ffffffff81aad1a1>] __dump_stack lib/dump_stack.c:15 [inline]
 [<ffffffff81aad1a1>] dump_stack+0xc1/0x120 lib/dump_stack.c:51
 [<ffffffff813abcda>] print_circular_bug.cold+0x2f7/0x44e kernel/locking/lockdep.c:1226
 [<ffffffff81202d86>] check_prev_add kernel/locking/lockdep.c:1853 [inline]
 [<ffffffff81202d86>] check_prevs_add kernel/locking/lockdep.c:1958 [inline]
 [<ffffffff81202d86>] validate_chain kernel/locking/lockdep.c:2144 [inline]
 [<ffffffff81202d86>] __lock_acquire+0x37d6/0x4f50 kernel/locking/lockdep.c:3213
 [<ffffffff81205f6e>] lock_acquire+0x15e/0x450 kernel/locking/lockdep.c:3592
 [<ffffffff8270c191>] __mutex_lock_common kernel/locking/mutex.c:521 [inline]
 [<ffffffff8270c191>] mutex_lock_nested+0xc1/0xb80 kernel/locking/mutex.c:621
 [<ffffffff81979d7e>] sel_write_load+0x9e/0xf90 security/selinux/selinuxfs.c:511
 [<ffffffff81496916>] __vfs_write+0x116/0x3d0 fs/read_write.c:491
 [<ffffffff81496ce2>] __kernel_write+0x112/0x370 fs/read_write.c:513
 [<ffffffff81532e6d>] write_pipe_buf+0x15d/0x1f0 fs/splice.c:1074
 [<ffffffff81533b6e>] splice_from_pipe_feed fs/splice.c:776 [inline]
 [<ffffffff81533b6e>] __splice_from_pipe+0x37e/0x7a0 fs/splice.c:901
 [<ffffffff81536be8>] splice_from_pipe+0x108/0x170 fs/splice.c:936
 [<ffffffff81536cdc>] default_file_splice_write+0x3c/0x80 fs/splice.c:1086
 [<ffffffff81537d31>] do_splice_from fs/splice.c:1128 [inline]
 [<ffffffff81537d31>] do_splice fs/splice.c:1404 [inline]
 [<ffffffff81537d31>] SYSC_splice fs/splice.c:1707 [inline]
 [<ffffffff81537d31>] SyS_splice+0xd71/0x13a0 fs/splice.c:1690
 [<ffffffff82718ba1>] entry_SYSCALL_64_fastpath+0x1e/0x9a
SELinux:  policydb magic number 0x104 does not match expected magic number 0xf97cff8c
SELinux:  policydb magic number 0x2039 does not match expected magic number 0xf97cff8c
SELinux: unrecognized netlink message: protocol=0 nlmsg_type=65535 sclass=netlink_route_socket
SELinux:  policydb magic number 0x2039 does not match expected magic number 0xf97cff8c
SELinux:  policydb magic number 0x2039 does not match expected magic number 0xf97cff8c
SELinux:  policydb magic number 0x2039 does not match expected magic number 0xf97cff8c
SELinux:  policydb magic number 0x2039 does not match expected magic number 0xf97cff8c
SELinux:  policydb magic number 0x2039 does not match expected magic number 0xf97cff8c
SELinux: unrecognized netlink message: protocol=0 nlmsg_type=65535 sclass=netlink_route_socket
SELinux:  policydb magic number 0x2039 does not match expected magic number 0xf97cff8c
capability: warning: `syz-executor.3' uses deprecated v2 capabilities in a way that may be insecure
SELinux:  policydb magic number 0x2039 does not match expected magic number 0xf97cff8c
SELinux:  policydb magic number 0x2039 does not match expected magic number 0xf97cff8c
SELinux:  policydb magic number 0x2039 does not match expected magic number 0xf97cff8c
SELinux:  policydb magic number 0x2039 does not match expected magic number 0xf97cff8c
SELinux:  policydb magic number 0x2039 does not match expected magic number 0xf97cff8c
SELinux:  policydb magic number 0x2039 does not match expected magic number 0xf97cff8c
SELinux: unrecognized netlink message: protocol=0 nlmsg_type=65535 sclass=netlink_route_socket
SELinux:  policydb magic number 0x2039 does not match expected magic number 0xf97cff8c
SELinux:  policydb magic number 0x2039 does not match expected magic number 0xf97cff8c
SELinux: unrecognized netlink message: protocol=0 nlmsg_type=65535 sclass=netlink_route_socket
SELinux:  policydb magic number 0x2039 does not match expected magic number 0xf97cff8c
SELinux:  policydb magic number 0x2039 does not match expected magic number 0xf97cff8c
SELinux: unrecognized netlink message: protocol=0 nlmsg_type=65535 sclass=netlink_route_socket
SELinux: unrecognized netlink message: protocol=0 nlmsg_type=65535 sclass=netlink_route_socket
SELinux: unrecognized netlink message: protocol=0 nlmsg_type=65535 sclass=netlink_route_socket
SELinux:  policydb magic number 0x2039 does not match expected magic number 0xf97cff8c
SELinux: unrecognized netlink message: protocol=0 nlmsg_type=65535 sclass=netlink_route_socket
SELinux:  policydb magic number 0x2039 does not match expected magic number 0xf97cff8c
SELinux: unrecognized netlink message: protocol=0 nlmsg_type=65535 sclass=netlink_route_socket
vmalloc: allocation failure: 0 bytes
syz-executor.5: page allocation failure: order:0, mode:0x24000c2
CPU: 0 PID: 23126 Comm: syz-executor.5 Not tainted 4.4.174+ #4
 0000000000000000 3066dce2b37530f9 ffff8801ce82f9f0 ffffffff81aad1a1[  593.554743] SELinux: unrecognized netlink message: protocol=0 nlmsg_type=65535 sclass=netlink_route_socket

 1ffff10039d05f41 ffff8801d187af80 00000000024000c2 0000000000000000
 ffffffff82895080 ffff8801ce82fb00 ffffffff8148c0cb ffffffff00000001
Call Trace:
 [<ffffffff81aad1a1>] __dump_stack lib/dump_stack.c:15 [inline]
 [<ffffffff81aad1a1>] dump_stack+0xc1/0x120 lib/dump_stack.c:51
 [<ffffffff8148c0cb>] warn_alloc_failed.cold+0x78/0x99 mm/page_alloc.c:2757
 [<ffffffff8145fb65>] __vmalloc_node_range mm/vmalloc.c:1693 [inline]
 [<ffffffff8145fb65>] __vmalloc_node_range+0x365/0x650 mm/vmalloc.c:1654
 [<ffffffff8146031c>] __vmalloc_node mm/vmalloc.c:1716 [inline]
 [<ffffffff8146031c>] __vmalloc_node_flags mm/vmalloc.c:1730 [inline]
 [<ffffffff8146031c>] vmalloc+0x5c/0x70 mm/vmalloc.c:1745
 [<ffffffff81979df9>] sel_write_load+0x119/0xf90 security/selinux/selinuxfs.c:527
 [<ffffffff81496916>] __vfs_write+0x116/0x3d0 fs/read_write.c:491
 [<ffffffff81498612>] vfs_write+0x182/0x4e0 fs/read_write.c:540
 [<ffffffff8149ac4c>] SYSC_write fs/read_write.c:587 [inline]
 [<ffffffff8149ac4c>] SyS_write+0xdc/0x1c0 fs/read_write.c:579
 [<ffffffff82718ba1>] entry_SYSCALL_64_fastpath+0x1e/0x9a
Mem-Info:
active_anon:415328 inactive_anon:30149 isolated_anon:0
 active_file:12090 inactive_file:17815 isolated_file:0
 unevictable:0 dirty:349 writeback:0 unstable:0
 slab_reclaimable:6582 slab_unreclaimable:69502
 mapped:65765 shmem:35005 pagetables:10909 bounce:0
 free:1009204 free_pcp:558 free_cma:0
DMA32 free:1840764kB min:4696kB low:5868kB high:7044kB active_anon:763836kB inactive_anon:53776kB active_file:22004kB inactive_file:32764kB unevictable:0kB isolated(anon):0kB isolated(file):0kB present:3145324kB managed:3021976kB mlocked:0kB dirty:424kB writeback:0kB mapped:121980kB shmem:62828kB slab_reclaimable:12088kB slab_unreclaimable:125300kB kernel_stack:8704kB pagetables:19780kB unstable:0kB bounce:0kB free_pcp:1208kB local_pcp:564kB free_cma:0kB writeback_tmp:0kB pages_scanned:0 all_unreclaimable? no
lowmem_reserve[]: 0 3504 3504
Normal free:2195704kB min:5580kB low:6972kB high:8368kB active_anon:897508kB inactive_anon:66820kB active_file:26368kB inactive_file:38496kB unevictable:0kB isolated(anon):0kB isolated(file):0kB present:4718592kB managed:3588764kB mlocked:0kB dirty:988kB writeback:0kB mapped:141080kB shmem:77192kB slab_reclaimable:14240kB slab_unreclaimable:152936kB kernel_stack:10528kB pagetables:23856kB unstable:0kB bounce:0kB free_pcp:1164kB local_pcp:584kB free_cma:0kB writeback_tmp:0kB pages_scanned:0 all_unreclaimable? no
lowmem_reserve[]: 0 0 0
DMA32: 81*4kB (ME) 337*8kB (UME) 185*16kB (UME) 143*32kB (UME) 42*64kB (UME) 16*128kB (UME) 5*256kB (ME) 1*512kB (M) 1*1024kB (E) 2*2048kB (M) 444*4096kB (M) = 1840828kB
Normal: 72*4kB (UME) 239*8kB (UME) 222*16kB (UME) 164*32kB (UME) 47*64kB (UME) 15*128kB (UME) 9*256kB (UM) 1*512kB (M) 2*1024kB (UE) 2*2048kB (ME) 530*4096kB (M) = 2195768kB
64914 total pagecache pages
0 pages in swap cache
Swap cache stats: add 0, delete 0, find 0/0
Free swap  = 0kB
Total swap = 0kB
1965979 pages RAM
0 pages HighMem/MovableOnly
313294 pages reserved
vmalloc: allocation failure: 0 bytes
syz-executor.5: page allocation failure: order:0, mode:0x24000c2
CPU: 0 PID: 23147 Comm: syz-executor.5 Not tainted 4.4.174+ #4
SELinux: unrecognized netlink message: protocol=0 nlmsg_type=65535 sclass=netlink_route_socket
 0000000000000000 fd4b14d04db336e8 ffff8800803079f0 ffffffff81aad1a1
 1ffff10010060f41 ffff8801d44597c0 00000000024000c2 0000000000000000
 ffffffff82895080 ffff880080307b00 ffffffff8148c0cb ffffffff00000001
Call Trace:
 [<ffffffff81aad1a1>] __dump_stack lib/dump_stack.c:15 [inline]
 [<ffffffff81aad1a1>] dump_stack+0xc1/0x120 lib/dump_stack.c:51
 [<ffffffff8148c0cb>] warn_alloc_failed.cold+0x78/0x99 mm/page_alloc.c:2757
 [<ffffffff8145fb65>] __vmalloc_node_range mm/vmalloc.c:1693 [inline]
 [<ffffffff8145fb65>] __vmalloc_node_range+0x365/0x650 mm/vmalloc.c:1654
 [<ffffffff8146031c>] __vmalloc_node mm/vmalloc.c:1716 [inline]
 [<ffffffff8146031c>] __vmalloc_node_flags mm/vmalloc.c:1730 [inline]
 [<ffffffff8146031c>] vmalloc+0x5c/0x70 mm/vmalloc.c:1745
 [<ffffffff81979df9>] sel_write_load+0x119/0xf90 security/selinux/selinuxfs.c:527
 [<ffffffff81496916>] __vfs_write+0x116/0x3d0 fs/read_write.c:491
 [<ffffffff81498612>] vfs_write+0x182/0x4e0 fs/read_write.c:540
 [<ffffffff8149ac4c>] SYSC_write fs/read_write.c:587 [inline]
 [<ffffffff8149ac4c>] SyS_write+0xdc/0x1c0 fs/read_write.c:579
 [<ffffffff82718ba1>] entry_SYSCALL_64_fastpath+0x1e/0x9a
Mem-Info:
active_anon:415348 inactive_anon:30148 isolated_anon:0
 active_file:12096 inactive_file:17815 isolated_file:0
 unevictable:0 dirty:366 writeback:2821 unstable:0
 slab_reclaimable:6586 slab_unreclaimable:69484
 mapped:65765 shmem:35005 pagetables:10945 bounce:0
 free:1009070 free_pcp:704 free_cma:0
DMA32 free:1840600kB min:4696kB low:5868kB high:7044kB active_anon:763848kB inactive_anon:53772kB active_file:22004kB inactive_file:32764kB unevictable:0kB isolated(anon):0kB isolated(file):0kB present:3145324kB managed:3021976kB mlocked:0kB dirty:424kB writeback:0kB mapped:121980kB shmem:62824kB slab_reclaimable:12088kB slab_unreclaimable:125300kB kernel_stack:8672kB pagetables:19768kB unstable:0kB bounce:0kB free_pcp:1416kB local_pcp:736kB free_cma:0kB writeback_tmp:0kB pages_scanned:0 all_unreclaimable? no
lowmem_reserve[]: 0 3504 3504
Normal free:2196012kB min:5580kB low:6972kB high:8368kB active_anon:897520kB inactive_anon:66824kB active_file:26380kB inactive_file:38496kB unevictable:0kB isolated(anon):0kB isolated(file):0kB present:4718592kB managed:3588764kB mlocked:0kB dirty:996kB writeback:0kB mapped:141080kB shmem:77196kB slab_reclaimable:14256kB slab_unreclaimable:152484kB kernel_stack:10496kB pagetables:23868kB unstable:0kB bounce:0kB free_pcp:1340kB local_pcp:712kB free_cma:0kB writeback_tmp:0kB pages_scanned:0 all_unreclaimable? no
lowmem_reserve[]: 0 0 0
DMA32: 155*4kB (UME) 328*8kB (UME) 186*16kB (UME) 137*32kB (UME) 45*64kB (UME) 16*128kB (UME) 5*256kB (ME) 1*512kB (M) 1*1024kB (E) 2*2048kB (M) 444*4096kB (M) = 1841068kB
Normal: 141*4kB (UME) 223*8kB (UME) 219*16kB (UME) 172*32kB (UME) 48*64kB (UME) 14*128kB (UME) 10*256kB (UM) 1*512kB (M) 2*1024kB (UE) 2*2048kB (ME) 530*4096kB (M) = 2196316kB
64918 total pagecache pages
0 pages in swap cache
Swap cache stats: add 0, delete 0, find 0/0
SELinux: unrecognized netlink message: protocol=0 nlmsg_type=65535 sclass=netlink_route_socket
Free swap  = 0kB
Total swap = 0kB
1965979 pages RAM
0 pages HighMem/MovableOnly
313294 pages reserved
vmalloc: allocation failure: 0 bytes
syz-executor.5: page allocation failure: order:0, mode:0x24000c2
CPU: 1 PID: 23178 Comm: syz-executor.5 Not tainted 4.4.174+ #4
 0000000000000000 651f68fee0c0786c ffff88018d1679f0 ffffffff81aad1a1
 1ffff10031a2cf41 ffff8800a5668000 00000000024000c2 0000000000000000
 ffffffff82895080 ffff88018d167b00 ffffffff8148c0cb ffffffff00000001
Call Trace:
 [<ffffffff81aad1a1>] __dump_stack lib/dump_stack.c:15 [inline]
 [<ffffffff81aad1a1>] dump_stack+0xc1/0x120 lib/dump_stack.c:51
 [<ffffffff8148c0cb>] warn_alloc_failed.cold+0x78/0x99 mm/page_alloc.c:2757
 [<ffffffff8145fb65>] __vmalloc_node_range mm/vmalloc.c:1693 [inline]
 [<ffffffff8145fb65>] __vmalloc_node_range+0x365/0x650 mm/vmalloc.c:1654
 [<ffffffff8146031c>] __vmalloc_node mm/vmalloc.c:1716 [inline]
 [<ffffffff8146031c>] __vmalloc_node_flags mm/vmalloc.c:1730 [inline]
 [<ffffffff8146031c>] vmalloc+0x5c/0x70 mm/vmalloc.c:1745
SELinux: unrecognized netlink message: protocol=0 nlmsg_type=65535 sclass=netlink_route_socket
 [<ffffffff81979df9>] sel_write_load+0x119/0xf90 security/selinux/selinuxfs.c:527
 [<ffffffff81496916>] __vfs_write+0x116/0x3d0 fs/read_write.c:491
 [<ffffffff81498612>] vfs_write+0x182/0x4e0 fs/read_write.c:540
 [<ffffffff8149ac4c>] SYSC_write fs/read_write.c:587 [inline]
 [<ffffffff8149ac4c>] SyS_write+0xdc/0x1c0 fs/read_write.c:579
 [<ffffffff82718ba1>] entry_SYSCALL_64_fastpath+0x1e/0x9a
SELinux: unrecognized netlink message: protocol=0 nlmsg_type=65535 sclass=netlink_route_socket
Mem-Info:
active_anon:415342 inactive_anon:30149 isolated_anon:0
 active_file:12102 inactive_file:17816 isolated_file:0
 unevictable:0 dirty:207 writeback:2821 unstable:0
 slab_reclaimable:6598 slab_unreclaimable:69330
 mapped:65765 shmem:35005 pagetables:10909 bounce:0
 free:1009362 free_pcp:596 free_cma:0
DMA32 free:1841744kB min:4696kB low:5868kB high:7044kB active_anon:763864kB inactive_anon:53772kB active_file:22032kB inactive_file:32764kB unevictable:0kB isolated(anon):0kB isolated(file):0kB present:3145324kB managed:3021976kB mlocked:0kB dirty:236kB writeback:3052kB mapped:121980kB shmem:62824kB slab_reclaimable:12104kB slab_unreclaimable:124752kB kernel_stack:8448kB pagetables:19576kB unstable:0kB bounce:0kB free_pcp:1244kB local_pcp:600kB free_cma:0kB writeback_tmp:0kB pages_scanned:0 all_unreclaimable? no
lowmem_reserve[]: 0 3504 3504
Normal free:2195768kB min:5580kB low:6972kB high:8368kB active_anon:897508kB inactive_anon:66824kB active_file:26380kB inactive_file:38500kB unevictable:0kB isolated(anon):0kB isolated(file):0kB present:4718592kB managed:3588764kB mlocked:0kB dirty:600kB writeback:0kB mapped:141080kB shmem:77196kB slab_reclaimable:14288kB slab_unreclaimable:152568kB kernel_stack:10592kB pagetables:24060kB unstable:0kB bounce:0kB free_pcp:1132kB local_pcp:500kB free_cma:0kB writeback_tmp:0kB pages_scanned:0 all_unreclaimable? no
lowmem_reserve[]: 0 0 0
DMA32: 184*4kB (UME) 356*8kB (UME) 185*16kB (UME) 137*32kB (UME) 45*64kB (UME) 19*128kB (UME) 5*256kB (ME) 1*512kB (M) 1*1024kB (E) 2*2048kB (M) 444*4096kB (M) = 1841776kB
Normal: 104*4kB (ME) 223*8kB (UME) 212*16kB (UME) 163*32kB (UME) 48*64kB (UME) 14*128kB (UME) 10*256kB (UM) 1*512kB (M) 2*1024kB (UE) 2*2048kB (ME) 530*4096kB (M) = 2195768kB
64924 total pagecache pages
0 pages in swap cache
Swap cache stats: add 0, delete 0, find 0/0
Free swap  = 0kB
Total swap = 0kB
1965979 pages RAM
0 pages HighMem/MovableOnly
313294 pages reserved
SELinux: unrecognized netlink message: protocol=0 nlmsg_type=65535 sclass=netlink_route_socket
vmalloc: allocation failure: 0 bytes
syz-executor.5: page allocation failure: order:0, mode:0x24000c2
CPU: 1 PID: 23220 Comm: syz-executor.5 Not tainted 4.4.174+ #4
 0000000000000000 0783c67c45f944c3 ffff88008065f9f0 ffffffff81aad1a1
 1ffff100100cbf41 ffff8800b2565f00 00000000024000c2 0000000000000000
 ffffffff82895080 ffff88008065fb00 ffffffff8148c0cb ffffffff00000001
Call Trace:
 [<ffffffff81aad1a1>] __dump_stack lib/dump_stack.c:15 [inline]
 [<ffffffff81aad1a1>] dump_stack+0xc1/0x120 lib/dump_stack.c:51
SELinux: unrecognized netlink message: protocol=0 nlmsg_type=65535 sclass=netlink_route_socket
 [<ffffffff8148c0cb>] warn_alloc_failed.cold+0x78/0x99 mm/page_alloc.c:2757
 [<ffffffff8145fb65>] __vmalloc_node_range mm/vmalloc.c:1693 [inline]
 [<ffffffff8145fb65>] __vmalloc_node_range+0x365/0x650 mm/vmalloc.c:1654
 [<ffffffff8146031c>] __vmalloc_node mm/vmalloc.c:1716 [inline]
 [<ffffffff8146031c>] __vmalloc_node_flags mm/vmalloc.c:1730 [inline]
 [<ffffffff8146031c>] vmalloc+0x5c/0x70 mm/vmalloc.c:1745
 [<ffffffff81979df9>] sel_write_load+0x119/0xf90 security/selinux/selinuxfs.c:527
 [<ffffffff81496916>] __vfs_write+0x116/0x3d0 fs/read_write.c:491
 [<ffffffff81498612>] vfs_write+0x182/0x4e0 fs/read_write.c:540
 [<ffffffff8149ac4c>] SYSC_write fs/read_write.c:587 [inline]
 [<ffffffff8149ac4c>] SyS_write+0xdc/0x1c0 fs/read_write.c:579
 [<ffffffff82718ba1>] entry_SYSCALL_64_fastpath+0x1e/0x9a
Mem-Info:
active_anon:415345 inactive_anon:30149 isolated_anon:0
 active_file:12108 inactive_file:17815 isolated_file:0
 unevictable:0 dirty:235 writeback:25 unstable:0
 slab_reclaimable:6606 slab_unreclaimable:69286
 mapped:65765 shmem:35005 pagetables:10917 bounce:0
 free:1009337 free_pcp:555 free_cma:0
DMA32 free:1841452kB min:4696kB low:5868kB high:7044kB active_anon:764020kB inactive_anon:53768kB active_file:22032kB inactive_file:32764kB unevictable:0kB isolated(anon):0kB isolated(file):0kB present:3145324kB managed:3021976kB mlocked:0kB dirty:240kB writeback:96kB mapped:121980kB shmem:62820kB slab_reclaimable:12136kB slab_unreclaimable:124584kB kernel_stack:8544kB pagetables:19756kB unstable:0kB bounce:0kB free_pcp:1108kB local_pcp:408kB free_cma:0kB writeback_tmp:0kB pages_scanned:0 all_unreclaimable? no
lowmem_reserve[]: 0 3504 3504
Normal free:2196248kB min:5580kB low:6972kB high:8368kB active_anon:897360kB inactive_anon:66828kB active_file:26400kB inactive_file:38496kB unevictable:0kB isolated(anon):0kB isolated(file):0kB present:4718592kB managed:3588764kB mlocked:0kB dirty:700kB writeback:4kB mapped:141080kB shmem:77200kB slab_reclaimable:14288kB slab_unreclaimable:152560kB kernel_stack:10336kB pagetables:23912kB unstable:0kB bounce:0kB free_pcp:1112kB local_pcp:412kB free_cma:0kB writeback_tmp:0kB pages_scanned:0 all_unreclaimable? no
lowmem_reserve[]: 0 0 0
DMA32: 185*4kB (UME) 383*8kB (UME) 181*16kB (UME) 121*32kB (UME) 46*64kB (UME) 19*128kB (UME) 5*256kB (ME) 1*512kB (M) 1*1024kB (E) 2*2048kB (M) 444*4096kB (M) = 1841484kB
Normal: 244*4kB (UME) 265*8kB (UME) 208*16kB (UME) 149*32kB (UME) 50*64kB (UME) 14*128kB (UME) 10*256kB (UM) 1*512kB (M) 2*1024kB (UE) 2*2048kB (ME) 530*4096kB (M) = 2196280kB
64929 total pagecache pages
0 pages in swap cache
Swap cache stats: add 0, delete 0, find 0/0
Free swap  = 0kB
Total swap = 0kB
1965979 pages RAM
0 pages HighMem/MovableOnly
313294 pages reserved
SELinux: unrecognized netlink message: protocol=0 nlmsg_type=65535 sclass=netlink_route_socket
SELinux: unrecognized netlink message: protocol=0 nlmsg_type=65535 sclass=netlink_route_socket
vmalloc: allocation failure: 0 bytes
syz-executor.5: page allocation failure: order:0, mode:0x24000c2
CPU: 1 PID: 23255 Comm: syz-executor.5 Not tainted 4.4.174+ #4
 0000000000000000 455832ff02f0032c ffff8800803179f0 ffffffff81aad1a1
 1ffff10010062f41 ffff8800b91cc740 00000000024000c2 0000000000000000
 ffffffff82895080 ffff880080317b00 ffffffff8148c0cb ffffffff00000001
Call Trace:
 [<ffffffff81aad1a1>] __dump_stack lib/dump_stack.c:15 [inline]
 [<ffffffff81aad1a1>] dump_stack+0xc1/0x120 lib/dump_stack.c:51
 [<ffffffff8148c0cb>] warn_alloc_failed.cold+0x78/0x99 mm/page_alloc.c:2757
 [<ffffffff8145fb65>] __vmalloc_node_range mm/vmalloc.c:1693 [inline]
 [<ffffffff8145fb65>] __vmalloc_node_range+0x365/0x650 mm/vmalloc.c:1654
 [<ffffffff8146031c>] __vmalloc_node mm/vmalloc.c:1716 [inline]
 [<ffffffff8146031c>] __vmalloc_node_flags mm/vmalloc.c:1730 [inline]
 [<ffffffff8146031c>] vmalloc+0x5c/0x70 mm/vmalloc.c:1745
 [<ffffffff81979df9>] sel_write_load+0x119/0xf90 security/selinux/selinuxfs.c:527
SELinux: unrecognized netlink message: protocol=0 nlmsg_type=65535 sclass=netlink_route_socket
 [<ffffffff81496916>] __vfs_write+0x116/0x3d0 fs/read_write.c:491
 [<ffffffff81498612>] vfs_write+0x182/0x4e0 fs/read_write.c:540
 [<ffffffff8149ac4c>] SYSC_write fs/read_write.c:587 [inline]
 [<ffffffff8149ac4c>] SyS_write+0xdc/0x1c0 fs/read_write.c:579
 [<ffffffff82718ba1>] entry_SYSCALL_64_fastpath+0x1e/0x9a
Mem-Info:
active_anon:415396 inactive_anon:30149 isolated_anon:0
 active_file:12111 inactive_file:17815 isolated_file:0
 unevictable:0 dirty:239 writeback:0 unstable:0
 slab_reclaimable:6593 slab_unreclaimable:69381
 mapped:65765 shmem:35005 pagetables:10954 bounce:0
 free:1009257 free_pcp:578 free_cma:0
DMA32 free:1840708kB min:4696kB low:5868kB high:7044kB active_anon:764176kB inactive_anon:53768kB active_file:22032kB inactive_file:32764kB unevictable:0kB isolated(anon):0kB isolated(file):0kB present:3145324kB managed:3021976kB mlocked:0kB dirty:240kB writeback:0kB mapped:121980kB shmem:62820kB slab_reclaimable:12152kB slab_unreclaimable:125036kB kernel_stack:8608kB pagetables:19772kB unstable:0kB bounce:0kB free_pcp:1156kB local_pcp:516kB free_cma:0kB writeback_tmp:0kB pages_scanned:0 all_unreclaimable? no
lowmem_reserve[]: 0 3504 3504
Normal free:2196320kB min:5580kB low:6972kB high:8368kB active_anon:897272kB inactive_anon:66828kB active_file:26420kB inactive_file:38500kB unevictable:0kB isolated(anon):0kB isolated(file):0kB present:4718592kB managed:3588764kB mlocked:0kB dirty:736kB writeback:0kB mapped:141080kB shmem:77200kB slab_reclaimable:14220kB slab_unreclaimable:152488kB kernel_stack:10592kB pagetables:23940kB unstable:0kB bounce:0kB free_pcp:1008kB local_pcp:520kB free_cma:0kB writeback_tmp:0kB pages_scanned:0 all_unreclaimable? no
lowmem_reserve[]: 0 0 0
DMA32: 222*4kB (UME) 291*8kB (UME) 179*16kB (UME) 105*32kB (UME) 47*64kB (UME) 19*128kB (UME) 5*256kB (ME) 1*512kB (M) 1*1024kB (E) 2*2048kB (M) 444*4096kB 
SELinux: unrecognized netlink message: protocol=0 nlmsg_type=65535 sclass=netlink_route_socket
(M) = 1840416kB
Normal: 346*4kB (UME) 286*8kB (UME) 207*16kB (UME) 122*32kB (UME) 55*64kB (UME) 14*128kB (UME) 10*256kB (UM) 1*512kB (M) 2*1024kB (UE) 2*2048kB (ME) 530*4096kB (M) = 2196296kB
64933 total pagecache pages
0 pages in swap cache
Swap cache stats: add 0, delete 0, find 0/0
Free swap  = 0kB
Total swap = 0kB
1965979 pages RAM
0 pages HighMem/MovableOnly
313294 pages reserved
SELinux:  policydb magic number 0x2039 does not match expected magic number 0xf97cff8c
vmalloc: allocation failure: 0 bytes
syz-executor.5: page allocation failure: order:0, mode:0x24000c2
CPU: 1 PID: 23269 Comm: syz-executor.5 Not tainted 4.4.174+ #4
 0000000000000000 cbf5b7a0fc76935a ffff8801c2f779f0 ffffffff81aad1a1
 1ffff100385eef41 ffff8801bb528000 00000000024000c2 0000000000000000
 ffffffff82895080 ffff8801c2f77b00 ffffffff8148c0cb ffffffff00000001
Call Trace:
 [<ffffffff81aad1a1>] __dump_stack lib/dump_stack.c:15 [inline]
 [<ffffffff81aad1a1>] dump_stack+0xc1/0x120 lib/dump_stack.c:51
 [<ffffffff8148c0cb>] warn_alloc_failed.cold+0x78/0x99 mm/page_alloc.c:2757
 [<ffffffff8145fb65>] __vmalloc_node_range mm/vmalloc.c:1693 [inline]
 [<ffffffff8145fb65>] __vmalloc_node_range+0x365/0x650 mm/vmalloc.c:1654
 [<ffffffff8146031c>] __vmalloc_node mm/vmalloc.c:1716 [inline]
 [<ffffffff8146031c>] __vmalloc_node_flags mm/vmalloc.c:1730 [inline]
 [<ffffffff8146031c>] vmalloc+0x5c/0x70 mm/vmalloc.c:1745
 [<ffffffff81979df9>] sel_write_load+0x119/0xf90 security/selinux/selinuxfs.c:527
 [<ffffffff81496916>] __vfs_write+0x116/0x3d0 fs/read_write.c:491
 [<ffffffff81498612>] vfs_write+0x182/0x4e0 fs/read_write.c:540
 [<ffffffff8149ac4c>] SYSC_write fs/read_write.c:587 [inline]
 [<ffffffff8149ac4c>] SyS_write+0xdc/0x1c0 fs/read_write.c:579
 [<ffffffff82718ba1>] entry_SYSCALL_64_fastpath+0x1e/0x9a
Mem-Info:
active_anon:415355 inactive_anon:30148 isolated_anon:0
 active_file:12116 inactive_file:17815 isolated_file:0
 unevictable:0 dirty:246 writeback:0 unstable:0
 slab_reclaimable:6593 slab_unreclaimable:69415
 mapped:65765 shmem:35005 pagetables:10931 bounce:0
 free:1009253 free_pcp:561 free_cma:0
DMA32 free:1841412kB min:4696kB low:5868kB high:7044kB active_anon:763912kB inactive_anon:53768kB active_file:22036kB inactive_file:32764kB unevictable:0kB isolated(anon):0kB isolated(file):0kB present:3145324kB managed:3021976kB mlocked:0kB dirty:244kB writeback:0kB mapped:121980kB shmem:62820kB slab_reclaimable:12152kB slab_unreclaimable:124832kB kernel_stack:8608kB pagetables:19604kB unstable:0kB bounce:0kB free_pcp:1268kB local_pcp:620kB free_cma:0kB writeback_tmp:0kB pages_scanned:0 all_unreclaimable? no
lowmem_reserve[]: 0 3504 3504
Normal free:2196168kB min:5580kB low:6972kB high:8368kB active_anon:897460kB inactive_anon:66824kB active_file:26432kB inactive_file:38496kB unevictable:0kB isolated(anon):0kB isolated(file):0kB present:4718592kB managed:3588764kB mlocked:0kB dirty:756kB writeback:0kB mapped:141080kB shmem:77196kB slab_reclaimable:14220kB slab_unreclaimable:152588kB kernel_stack:10624kB pagetables:24052kB unstable:0kB bounce:0kB free_pcp:792kB local_pcp:628kB free_cma:0kB writeback_tmp:0kB pages_scanned:0 all_unreclaimable? no
lowmem_reserve[]: 0 0 0
DMA32: 401*4kB [  597.340787] SELinux: unrecognized netlink message: protocol=0 nlmsg_type=65535 sclass=netlink_route_socket
(UME) 383*8kB (UME) 190*16kB (UME) 89*32kB (UME) 46*64kB (UME) 19*128kB (UME) 5*256kB (ME) 1*512kB (M) 1*1024kB (E) 2*2048kB (M) 444*4096kB (M) = 1841468kB
Normal: 366*4kB (UME) 316*8kB (UME) 207*16kB (UME) 99*32kB (UME) 57*64kB (UME) 14*128kB (UME) 10*256kB (UM) 1*512kB (M) 2*1024kB (UE) 2*2048kB (ME) 530*4096kB (M) = 2196008kB
64938 total pagecache pages
0 pages in swap cache
Swap cache stats: add 0, delete 0, find 0/0
Free swap  = 0kB
Total swap = 0kB
1965979 pages RAM
0 pages HighMem/MovableOnly
313294 pages reserved
SELinux:  policydb magic number 0x2039 does not match expected magic number 0xf97cff8c
vmalloc: allocation failure: 0 bytes
syz-executor.5: page allocation failure: order:0, mode:0x24000c2
CPU: 0 PID: 23294 Comm: syz-executor.5 Not tainted 4.4.174+ #4
 0000000000000000 27dcd1420adc8c55 ffff8801c2f779f0 ffffffff81aad1a1
 1ffff100385eef41 ffff8800b26f17c0 00000000024000c2 0000000000000000
 ffffffff82895080 ffff8801c2f77b00 ffffffff8148c0cb ffffffff00000001
Call Trace:
 [<ffffffff81aad1a1>] __dump_stack lib/dump_stack.c:15 [inline]
 [<ffffffff81aad1a1>] dump_stack+0xc1/0x120 lib/dump_stack.c:51
 [<ffffffff8148c0cb>] warn_alloc_failed.cold+0x78/0x99 mm/page_alloc.c:2757
 [<ffffffff8145fb65>] __vmalloc_node_range mm/vmalloc.c:1693 [inline]
 [<ffffffff8145fb65>] __vmalloc_node_range+0x365/0x650 mm/vmalloc.c:1654
 [<ffffffff8146031c>] __vmalloc_node mm/vmalloc.c:1716 [inline]
 [<ffffffff8146031c>] __vmalloc_node_flags mm/vmalloc.c:1730 [inline]
 [<ffffffff8146031c>] vmalloc+0x5c/0x70 mm/vmalloc.c:1745
 [<ffffffff81979df9>] sel_write_load+0x119/0xf90 security/selinux/selinuxfs.c:527
 [<ffffffff81496916>] __vfs_write+0x116/0x3d0 fs/read_write.c:491
 [<ffffffff81498612>] vfs_write+0x182/0x4e0 fs/read_write.c:540
 [<ffffffff8149ac4c>] SYSC_write fs/read_write.c:587 [inline]
 [<ffffffff8149ac4c>] SyS_write+0xdc/0x1c0 fs/read_write.c:579
 [<ffffffff82718ba1>] entry_SYSCALL_64_fastpath+0x1e/0x9a
Mem-Info:
active_anon:415367 inactive_anon:30147 isolated_anon:0
 active_file:12120 inactive_file:17815 isolated_file:0
 unevictable:0 dirty:251 writeback:0 unstable:0
 slab_reclaimable:6597 slab_unreclaimable:69386
 mapped:65765 shmem:35005 pagetables:10940 bounce:0
 free:1009436 free_pcp:428 free_cma:0
DMA32 free:1841424kB min:4696kB low:5868kB high:7044kB active_anon:763984kB inactive_anon:53768kB active_file:22036kB inactive_file:32764kB unevictable:0kB isolated(anon):0kB isolated(file):0kB present:3145324kB managed:3021976kB mlocked:0kB dirty:244kB writeback:0kB mapped:121980kB shmem:62824kB slab_reclaimable:12152kB slab_unreclaimable:125088kB kernel_stack:8576kB pagetables:19744kB unstable:0kB bounce:0kB free_pcp:936kB local_pcp:600kB free_cma:0kB writeback_tmp:0kB pages_scanned:0 all_unreclaimable? no
lowmem_reserve[]: 0 3504 3504
Normal free:2196000kB min:5580kB low:6972kB high:8368kB active_anon:897484kB inactive_anon:66820kB active_file:26444kB inactive_file:38496kB unevictable:0kB isolated(anon):0kB isolated(file):0kB present:4718592kB managed:3588764kB mlocked:0kB dirty:760kB writeback:0kB mapped:141080kB shmem:77196kB slab_reclaimable:14236kB slab_unreclaimable:152556kB kernel_stack:10592kB pagetables:23868kB unstable:0kB bounce:0kB free_pcp:884kB local_pcp:640kB free_cma:0kB writeback_tmp:0kB pages_scanned:0 all_unreclaimable? no
SELinux: unrecognized netlink message: protocol=0 nlmsg_type=65535 sclass=netlink_route_socket
lowmem_reserve[]: 0 0 0
DMA32: 317*4kB (UME) 401*8kB (UME) 189*16kB (UME) 96*32kB (UME) 42*64kB (UME) 19*128kB (UME) 5*256kB (ME) 1*512kB (M) 1*1024kB (E) 2*2048kB (M) 444*4096kB (M) = 1841228kB
Normal: 352*4kB (UME) 328*8kB (UME) 206*16kB (UME) 103*32kB (UME) 57*64kB (UME) 14*128kB (UME) 10*256kB (UM) 1*512kB (M) 2*1024kB (UE) 2*2048kB (ME) 530*4096kB (M) = 2196160kB
64939 total pagecache pages
0 pages in swap cache
Swap cache stats: add 0, delete 0, find 0/0
Free swap  = 0kB
Total swap = 0kB
1965979 pages RAM
0 pages HighMem/MovableOnly
313294 pages reserved
SELinux:  policydb magic number 0x2039 does not match expected magic number 0xf97cff8c
vmalloc: allocation failure: 0 bytes
syz-executor.5: page allocation failure: order:0, mode:0x24000c2
CPU: 0 PID: 23316 Comm: syz-executor.5 Not tainted 4.4.174+ #4
 0000000000000000 99e5bc709cbe1628 ffff8801bd82f9f0 ffffffff81aad1a1
 1ffff10037b05f41 ffff8801bf338000 00000000024000c2 0000000000000000
 ffffffff82895080 ffff8801bd82fb00 ffffffff8148c0cb ffffffff00000001
Call Trace:
 [<ffffffff81aad1a1>] __dump_stack lib/dump_stack.c:15 [inline]
 [<ffffffff81aad1a1>] dump_stack+0xc1/0x120 lib/dump_stack.c:51
 [<ffffffff8148c0cb>] warn_alloc_failed.cold+0x78/0x99 mm/page_alloc.c:2757
 [<ffffffff8145fb65>] __vmalloc_node_range mm/vmalloc.c:1693 [inline]
 [<ffffffff8145fb65>] __vmalloc_node_range+0x365/0x650 mm/vmalloc.c:1654
 [<ffffffff8146031c>] __vmalloc_node mm/vmalloc.c:1716 [inline]
 [<ffffffff8146031c>] __vmalloc_node_flags mm/vmalloc.c:1730 [inline]
 [<ffffffff8146031c>] vmalloc+0x5c/0x70 mm/vmalloc.c:1745
 [<ffffffff81979df9>] sel_write_load+0x119/0xf90 security/selinux/selinuxfs.c:527
 [<ffffffff81496916>] __vfs_write+0x116/0x3d0 fs/read_write.c:491
 [<ffffffff81498612>] vfs_write+0x182/0x4e0 fs/read_write.c:540
 [<ffffffff8149ac4c>] SYSC_write fs/read_write.c:587 [inline]
 [<ffffffff8149ac4c>] SyS_write+0xdc/0x1c0 fs/read_write.c:579
 [<ffffffff82718ba1>] entry_SYSCALL_64_fastpath+0x1e/0x9a
Mem-Info:
active_anon:415304 inactive_anon:30149 isolated_anon:0
 active_file:12126 inactive_file:17815 isolated_file:0
 unevictable:0 dirty:259 writeback:0 unstable:0