[28766] 0 28766 13126 11073 32 3 0 -1000 blkid [28767] 0 28767 6044 820 16 3 0 -1000 udevd [28768] 0 28768 6044 819 16 3 0 -1000 udevd [28769] 0 28769 6044 820 16 3 0 -1000 udevd [28770] 0 28770 6044 821 16 3 0 -1000 udevd INFO: task syz-executor.4:1863 blocked for more than 140 seconds. [28771] 0 28771 13082 11007 31 3 0 -1000 blkid Not tainted 4.14.134+ #21 [28772] 0 28772 12662 10610 32 3 0 -1000 blkid "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [28773] 0 28773 13286 11204 33 3 0 -1000 blkid [28774] 0 28774 13622 11536 33 3 0 -1000 blkid [28775] 0 28775 12984 10939 32 3 0 -1000 blkid [28776] 0 28776 13286 11204 33 3 0 -1000 blkid [28777] 0 28777 13112 11072 32 3 0 -1000 blkid [28778] 0 28778 6044 820 16 3 0 -1000 udevd [28779] 0 28779 6044 821 16 3 0 -1000 udevd [28780] 0 28780 6044 821 16 3 0 -1000 udevd [28781] 0 28781 6044 821 16 3 0 -1000 udevd syz-executor.4 D [28782] 0 28782 6044 821 16 3 0 -1000 udevd 25328 1863 1844 0x00000000 [28783] 0 28783 13042 10940 32 4 0 -1000 blkid Call Trace: [28784] 0 28784 14158 12064 34 4 0 -1000 blkid [28785] 0 28785 13632 11535 33 3 0 -1000 blkid [28786] 0 28786 13090 11005 32 3 0 -1000 blkid [28787] 0 28787 6044 820 16 3 0 -1000 udevd [28788] 0 28788 6044 820 16 3 0 -1000 udevd [28789] 0 28789 13212 11139 32 3 0 -1000 blkid schedule+0x92/0x1c0 kernel/sched/core.c:3498 schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:3556 __mutex_lock_common kernel/locking/mutex.c:833 [inline] __mutex_lock+0x595/0x13e0 kernel/locking/mutex.c:893 [28790] 0 28790 12166 10084 31 3 0 -1000 blkid [28791] 0 28791 6044 821 16 3 0 -1000 udevd [28792] 0 28792 6044 820 16 3 0 -1000 udevd [28793] 0 28793 6044 821 16 3 0 -1000 udevd [28794] 0 28794 12950 10876 32 3 0 -1000 blkid [28795] 0 28795 12862 10808 32 3 0 -1000 blkid [28796] 0 28796 12764 10677 32 3 0 -1000 blkid [28797] 0 28797 12964 10875 32 3 0 -1000 blkid [28798] 0 28798 6044 821 16 3 0 -1000 udevd [28799] 0 28799 6044 822 16 3 0 -1000 udevd [28800] 0 28800 6044 822 16 3 0 -1000 udevd [28801] 0 28801 6044 822 16 3 0 -1000 udevd [28802] 0 28802 6044 822 16 3 0 -1000 udevd [28803] 0 28803 12874 10809 32 3 0 -1000 blkid [28804] 0 28804 6044 822 16 3 0 -1000 udevd [28805] 0 28805 6044 821 16 3 0 -1000 udevd [28806] 0 28806 6044 822 16 3 0 -1000 udevd [28807] 0 28807 12996 10940 31 4 0 -1000 blkid [28808] 0 28808 13834 11734 33 3 0 -1000 blkid [28809] 0 28809 12974 10875 33 3 0 -1000 blkid [28810] 0 28810 13174 11136 33 3 0 -1000 blkid [28811] 0 28811 6044 822 16 3 0 -1000 udevd [28812] 0 28812 6044 822 16 3 0 -1000 udevd [28813] 0 28813 6044 821 16 3 0 -1000 udevd [28814] 0 28814 6044 822 16 3 0 -1000 udevd [28815] 0 28815 6044 823 16 3 0 -1000 udevd [28816] 0 28816 13230 11140 32 3 0 -1000 blkid [28817] 0 28817 13138 11073 32 3 0 -1000 blkid [28818] 0 28818 13238 11139 33 3 0 -1000 blkid [28819] 0 28819 6044 823 16 3 0 -1000 udevd [28820] 0 28820 6044 823 16 3 0 -1000 udevd [28821] 0 28821 13498 11402 33 3 0 -1000 blkid [28822] 0 28822 13668 11601 33 3 0 -1000 blkid [28823] 0 28823 13548 11467 34 3 0 -1000 blkid [28824] 0 28824 13128 11074 33 3 0 -1000 blkid [28825] 0 28825 13442 11403 33 3 0 -1000 blkid [28826] 0 28826 6044 823 16 3 0 -1000 udevd [28827] 0 28827 6044 822 16 3 0 -1000 udevd [28828] 0 28828 12950 10875 32 3 0 -1000 blkid [28829] 0 28829 6044 823 16 3 0 -1000 udevd [28830] 0 28830 13644 11601 32 3 0 -1000 blkid [28831] 0 28831 13226 11138 33 3 0 -1000 blkid xt_find_table_lock+0x35/0x3d0 net/netfilter/x_tables.c:1092 [28832] 0 28832 13586 11533 33 4 0 -1000 blkid [28833] 0 28833 12896 10809 31 3 0 -1000 blkid [28834] 0 28834 13050 11006 32 3 0 -1000 blkid [28835] 0 28835 6044 823 16 3 0 -1000 udevd [28837] 0 28837 6044 823 16 3 0 -1000 udevd [28839] 0 28839 6044 823 16 3 0 -1000 udevd [28840] 0 28840 6044 822 16 3 0 -1000 udevd [28841] 0 28841 6044 823 16 3 0 -1000 udevd [28842] 0 28842 6044 822 16 3 0 -1000 udevd [28845] 0 28845 12830 10744 32 3 0 -1000 blkid [28849] 0 28849 12876 10809 32 3 0 -1000 blkid [28851] 0 28851 13260 11203 33 3 0 -1000 blkid [28852] 0 28852 6044 824 16 3 0 -1000 udevd [28853] 0 28853 6044 824 16 3 0 -1000 udevd [28854] 0 28854 13472 11402 33 3 0 -1000 blkid [28855] 0 28855 6044 824 16 3 0 -1000 udevd [28856] 0 28856 6044 823 16 3 0 -1000 udevd [28857] 0 28857 6044 823 16 3 0 -1000 udevd [28858] 0 28858 13136 11073 32 3 0 -1000 blkid [28859] 0 28859 6044 824 16 3 0 -1000 udevd [28860] 0 28860 6044 824 16 3 0 -1000 udevd [28861] 0 28861 12986 10941 32 3 0 -1000 blkid [28862] 0 28862 12954 10875 31 3 0 -1000 blkid [28863] 0 28863 13164 11073 32 3 0 -1000 blkid [28864] 0 28864 13334 11271 33 3 0 -1000 blkid [28865] 0 28865 12382 10347 31 3 0 -1000 blkid [28866] 0 28866 6044 824 16 3 0 -1000 udevd [28867] 0 28867 6044 824 16 3 0 -1000 udevd [28868] 0 28868 6044 824 16 3 0 -1000 udevd [28869] 0 28869 6044 823 16 3 0 -1000 udevd [28870] 0 28870 12444 10408 30 3 0 -1000 blkid [28871] 0 28871 6044 825 16 3 0 -1000 udevd [28880] 0 28880 6044 825 16 3 0 -1000 udevd [28881] 0 28881 6044 825 16 3 0 -1000 udevd get_info+0x11b/0x580 net/ipv4/netfilter/arp_tables.c:801 [28882] 0 28882 12058 10017 31 3 0 -1000 blkid [28883] 0 28883 13010 10942 32 3 0 -1000 blkid [28886] 0 28886 12120 10082 30 3 0 -1000 blkid [28887] 0 28887 13106 11071 32 3 0 -1000 blkid [28888] 0 28888 12098 10017 31 3 0 -1000 blkid [28889] 0 28889 12242 10149 30 3 0 -1000 blkid [28890] 0 28890 11604 9555 30 3 0 -1000 blkid [28891] 0 28891 6044 825 16 3 0 -1000 udevd [28892] 0 28892 6044 824 16 3 0 -1000 udevd [28893] 0 28893 6044 825 16 3 0 -1000 udevd [28894] 0 28894 6044 825 16 3 0 -1000 udevd [28895] 0 28895 6044 825 16 3 0 -1000 udevd [28896] 0 28896 11818 9753 30 3 0 -1000 blkid [28897] 0 28897 11620 9555 29 3 0 -1000 blkid [28902] 0 28902 11630 9554 30 3 0 -1000 blkid [28903] 0 28903 11656 9621 30 3 0 -1000 blkid [28904] 0 28904 6044 825 16 3 0 -1000 udevd [28906] 0 28906 11106 9026 29 3 0 -1000 blkid [28908] 0 28908 6044 825 16 3 0 -1000 udevd [28909] 0 28909 6044 825 16 3 0 -1000 udevd [28910] 0 28910 6044 825 16 3 0 -1000 udevd [28911] 0 28911 6044 826 16 3 0 -1000 udevd [28912] 0 28912 6044 826 16 3 0 -1000 udevd [28913] 0 28913 6044 826 16 3 0 -1000 udevd [28915] 0 28915 11132 9092 27 3 0 -1000 blkid [28916] 0 28916 11098 9028 29 3 0 -1000 blkid [28907] 0 28907 11292 9225 28 3 0 -1000 blkid [28920] 0 28920 10914 8830 28 3 0 -1000 blkid [28923] 0 28923 10166 8103 27 3 0 -1000 blkid [28922] 0 28922 10400 8301 27 3 0 -1000 blkid [28924] 0 28924 10188 8103 27 3 0 -1000 blkid [28925] 0 28925 6044 826 16 3 0 -1000 udevd [28926] 0 28926 6044 825 16 3 0 -1000 udevd [28927] 0 28927 10730 8631 28 3 0 -1000 blkid [28928] 0 28928 10140 8103 27 3 0 -1000 blkid [28930] 0 28930 6044 826 16 3 0 -1000 udevd [28931] 0 28931 6044 825 16 3 0 -1000 udevd [28933] 0 28933 6044 826 16 3 0 -1000 udevd [28934] 0 28934 6044 826 16 3 0 -1000 udevd [28935] 0 28935 6044 826 16 3 0 -1000 udevd [28936] 0 28936 6044 826 16 3 0 -1000 udevd [28937] 0 28937 6044 827 16 3 0 -1000 udevd [28938] 0 28938 8974 6920 23 3 0 -1000 blkid [28939] 0 28939 9668 7579 26 3 0 -1000 blkid [28940] 0 28940 10182 8104 27 3 0 -1000 blkid [28941] 0 28941 6044 827 16 3 0 -1000 udevd [28942] 0 28942 9290 7248 25 3 0 -1000 blkid [28943] 0 28943 8924 6852 24 3 0 -1000 blkid [28944] 0 28944 8890 6853 23 4 0 -1000 blkid [28945] 0 28945 8760 6715 24 3 0 -1000 blkid [28947] 0 28947 6044 827 16 3 0 -1000 udevd [28946] 0 28946 8784 6720 24 3 0 -1000 blkid [28948] 0 28948 10384 8302 28 3 0 -1000 blkid [28949] 0 28949 6044 827 16 3 0 -1000 udevd [28950] 0 28950 6044 827 16 3 0 -1000 udevd [28951] 0 28951 6044 827 16 3 0 -1000 udevd [28952] 0 28952 6044 827 16 3 0 -1000 udevd [28953] 0 28953 8526 6457 25 3 0 -1000 blkid [28954] 0 28954 8832 6787 23 3 0 -1000 blkid [28955] 0 28955 6044 827 16 3 0 -1000 udevd [28956] 0 28956 6044 826 16 3 0 -1000 udevd [28957] 0 28957 6044 827 16 3 0 -1000 udevd [28958] 0 28958 6044 827 16 3 0 -1000 udevd [28959] 0 28959 6044 826 16 3 0 -1000 udevd [28960] 0 28960 9388 7313 24 3 0 -1000 blkid [28961] 0 28961 9000 6920 24 3 0 -1000 blkid [28962] 0 28962 8550 6456 23 3 0 -1000 blkid [28963] 0 28963 7910 5863 23 3 0 -1000 blkid [28964] 0 28964 8528 6457 23 3 0 -1000 blkid [28965] 0 28965 6044 828 16 3 0 -1000 udevd [28966] 0 28966 6044 827 16 3 0 -1000 udevd [28967] 0 28967 6044 828 16 3 0 -1000 udevd [28968] 0 28968 6044 828 16 3 0 -1000 udevd [28969] 0 28969 6044 828 16 3 0 -1000 udevd [28970] 0 28970 7570 5532 22 3 0 -1000 blkid [28971] 0 28971 7810 5732 22 3 0 -1000 blkid [28972] 0 28972 8406 6325 23 3 0 -1000 blkid [28973] 0 28973 8330 6258 23 3 0 -1000 blkid [28974] 0 28974 7898 5863 22 3 0 -1000 blkid [28975] 0 28975 8458 6390 23 4 0 -1000 blkid Showing all locks held in the system: [28976] 0 28976 6044 828 16 3 0 -1000 udevd 1 lock held by init/1: [28977] 0 28977 6044 828 16 3 0 -1000 udevd #0: ( [28978] 0 28978 6044 828 16 3 0 -1000 udevd [28979] 0 28979 6044 828 16 3 0 -1000 udevd [28980] 0 28980 6044 827 16 3 0 -1000 udevd &ei->i_mmap_sem){++++} [28981] 0 28981 7330 5269 20 3 0 -1000 blkid , at: [<0000000083490e59>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6178 1 lock held by khungtaskd/23: #0: ( [28982] 0 28982 7878 5796 22 3 0 -1000 blkid tasklist_lock [28983] 0 28983 7322 5270 21 3 0 -1000 blkid ){.+.+}, at: [<000000001ee83151>] debug_show_all_locks+0x7c/0x21a kernel/locking/lockdep.c:4541 [28984] 0 28984 7190 5138 21 3 0 -1000 blkid 3 locks held by udevd/190: [28985] 0 28985 7420 5336 20 3 0 -1000 blkid #0: (&dup_mmap_sem){.+.+}, at: [<00000000c98391ee>] dup_mmap kernel/fork.c:609 [inline] #0: (&dup_mmap_sem){.+.+}, at: [<00000000c98391ee>] dup_mm kernel/fork.c:1211 [inline] #0: (&dup_mmap_sem){.+.+}, at: [<00000000c98391ee>] copy_mm kernel/fork.c:1266 [inline] #0: (&dup_mmap_sem){.+.+}, at: [<00000000c98391ee>] copy_process.part.0+0x1fd6/0x68b0 kernel/fork.c:1789 #1: (&mm->mmap_sem){++++}, at: [<00000000690bbfe0>] dup_mmap kernel/fork.c:610 [inline] #1: (&mm->mmap_sem){++++}, at: [<00000000690bbfe0>] dup_mm kernel/fork.c:1211 [inline] #1: (&mm->mmap_sem){++++}, at: [<00000000690bbfe0>] copy_mm kernel/fork.c:1266 [inline] #1: (&mm->mmap_sem){++++}, at: [<00000000690bbfe0>] copy_process.part.0+0x1ff2/0x68b0 kernel/fork.c:1789 #2: (&mm->mmap_sem/1){+.+.}, at: [<00000000bdefd031>] dup_mmap kernel/fork.c:619 [inline] #2: (&mm->mmap_sem/1){+.+.}, at: [<00000000bdefd031>] dup_mm kernel/fork.c:1211 [inline] #2: (&mm->mmap_sem/1){+.+.}, at: [<00000000bdefd031>] copy_mm kernel/fork.c:1266 [inline] #2: (&mm->mmap_sem/1){+.+.}, at: [<00000000bdefd031>] copy_process.part.0+0x203a/0x68b0 kernel/fork.c:1789 1 lock held by rsyslogd/1629: #0: (&ei->i_mmap_sem){++++}, at: [<0000000083490e59>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6178 1 lock held by cron/1672: #0: (&ei->i_mmap_sem){++++}, at: [<0000000083490e59>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6178 2 locks held by getty/1757: #0: (&tty->ldisc_sem){++++}, at: [<000000002499ec66>] tty_ldisc_ref_wait+0x22/0x80 drivers/tty/tty_ldisc.c:284 #1: (&ldata->atomic_read_lock){+.+.}, at: [<000000000d3f5dac>] n_tty_read+0x1f7/0x1700 drivers/tty/n_tty.c:2156 1 lock held by syz-fuzzer/1788: #0: (&ei->i_mmap_sem){++++}, at: [<0000000083490e59>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6178 1 lock held by syz-fuzzer/1791: #0: (&ei->i_mmap_sem){++++}, at: [<0000000083490e59>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6178 1 lock held by syz-fuzzer/1793: #0: (&ei->i_mmap_sem){++++}, at: [<0000000083490e59>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6178 1 lock held by syz-fuzzer/29898: #0: (&ei->i_mmap_sem){++++}, at: [<0000000083490e59>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6178 1 lock held by syz-executor.0/1843: #0: (&ei->i_mmap_sem){++++}, at: [<0000000083490e59>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6178 1 lock held by syz-executor.1/1849: #0: (&ei->i_mmap_sem){++++}, at: [<0000000083490e59>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6178 1 lock held by syz-executor.2/1856: #0: (&xt[i].mutex){+.+.}, at: [<00000000f8680b8e>] xt_find_table_lock+0x35/0x3d0 net/netfilter/x_tables.c:1092 1 lock held by syz-executor.4/1863: #0: (&xt[i].mutex){+.+.}, at: [<00000000f8680b8e>] xt_find_table_lock+0x35/0x3d0 net/netfilter/x_tables.c:1092 1 lock held by syz-executor.3/1865: #0: (&xt[i].mutex){+.+.}, at: [<00000000f8680b8e>] xt_find_table_lock+0x35/0x3d0 net/netfilter/x_tables.c:1092 1 lock held by udevd/28711: #0: (&ei->i_mmap_sem){++++}, at: [<0000000083490e59>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6178 1 lock held by udevd/28722: #0: (&ei->i_mmap_sem){++++}, at: [<0000000083490e59>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6178 1 lock held by udevd/28726: #0: (&ei->i_mmap_sem){++++}, at: [<0000000083490e59>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6178 1 lock held by udevd/28727: #0: (&ei->i_mmap_sem){++++}, at: [<0000000083490e59>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6178 1 lock held by udevd/28728: #0: (&ei->i_mmap_sem){++++}, at: [<0000000083490e59>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6178 1 lock held by udevd/28730: #0: (&ei->i_mmap_sem){++++}, at: [<0000000083490e59>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6178 1 lock held by udevd/28732: #0: (&ei->i_mmap_sem){++++}, at: [<0000000083490e59>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6178 1 lock held by udevd/28733: #0: (&ei->i_mmap_sem){++++}, at: [<0000000083490e59>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6178 1 lock held by udevd/28734: #0: (&ei->i_mmap_sem){++++}, at: [<0000000083490e59>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6178 1 lock held by udevd/28735: #0: (&ei->i_mmap_sem){++++}, at: [<0000000083490e59>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6178 1 lock held by blkid/28739: #0: (&mm->mmap_sem){++++}, at: [<000000009ca30983>] __do_page_fault+0x282/0xbb0 arch/x86/mm/fault.c:1352 1 lock held by blkid/28740: #0: (&ei->i_mmap_sem){++++}, at: [<0000000083490e59>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6178 1 lock held by udevd/28742: #0: (&ei->i_mmap_sem){++++}, at: [<0000000083490e59>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6178 1 lock held by udevd/28743: #0: (&ei->i_mmap_sem){++++}, at: [<0000000083490e59>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6178 1 lock held by udevd/28744: #0: (&ei->i_mmap_sem){++++}, at: [<0000000083490e59>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6178 1 lock held by udevd/28745: #0: (&ei->i_mmap_sem){++++}, at: [<0000000083490e59>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6178 1 lock held by udevd/28746: #0: (&ei->i_mmap_sem){++++}, at: [<0000000083490e59>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6178 1 lock held by udevd/28748: #0: (&ei->i_mmap_sem){++++}, at: [<0000000083490e59>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6178 1 lock held by udevd/28749: #0: (&ei->i_mmap_sem){++++}, at: [<0000000083490e59>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6178 1 lock held by udevd/28750: #0: (&ei->i_mmap_sem){++++}, at: [<0000000083490e59>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6178 1 lock held by blkid/28751: #0: (&mm->mmap_sem){++++}, at: [<000000009ca30983>] __do_page_fault+0x282/0xbb0 arch/x86/mm/fault.c:1352 1 lock held by blkid/28752: #0: (&mm->mmap_sem){++++}, at: [<000000009ca30983>] __do_page_fault+0x282/0xbb0 arch/x86/mm/fault.c:1352 1 lock held by blkid/28753: #0: (&mm->mmap_sem){++++}, at: [<000000009ca30983>] __do_page_fault+0x282/0xbb0 arch/x86/mm/fault.c:1352 1 lock held by blkid/28754: #0: (&ei->i_mmap_sem){++++}, at: [<0000000083490e59>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6178 1 lock held by blkid/28755: #0: (&mm->mmap_sem){++++}, at: [<000000009ca30983>] __do_page_fault+0x282/0xbb0 arch/x86/mm/fault.c:1352 1 lock held by blkid/28756: #0: (&mm->mmap_sem){++++}, at: [<000000009ca30983>] __do_page_fault+0x282/0xbb0 arch/x86/mm/fault.c:1352 1 lock held by blkid/28757: #0: (&mm->mmap_sem){++++}, at: [<000000009ca30983>] __do_page_fault+0x282/0xbb0 arch/x86/mm/fault.c:1352 1 lock held by udevd/28758: #0: (&ei->i_mmap_sem){++++}, at: [<0000000083490e59>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6178 1 lock held by udevd/28759: #0: (&ei->i_mmap_sem){++++}, at: [<0000000083490e59>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6178 1 lock held by udevd/28760: #0: (&ei->i_mmap_sem){++++}, at: [<0000000083490e59>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6178 1 lock held by udevd/28761: #0: (&ei->i_mmap_sem){++++}, at: [<0000000083490e59>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6178 1 lock held by blkid/28763: #0: (&mm->mmap_sem){++++}, at: [<000000009ca30983>] __do_page_fault+0x282/0xbb0 arch/x86/mm/fault.c:1352 1 lock held by blkid/28765: #0: (&mm->mmap_sem){++++}, at: [<000000009ca30983>] __do_page_fault+0x282/0xbb0 arch/x86/mm/fault.c:1352 1 lock held by blkid/28766: #0: (&mm->mmap_sem){++++}, at: [<000000009ca30983>] __do_page_fault+0x282/0xbb0 arch/x86/mm/fault.c:1352 1 lock held by udevd/28770: #0: (&ei->i_mmap_sem){++++}, at: [<0000000083490e59>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6178 1 lock held by blkid/28771: #0: (&mm->mmap_sem){++++}, at: [<000000009ca30983>] __do_page_fault+0x282/0xbb0 arch/x86/mm/fault.c:1352 1 lock held by blkid/28772: #0: (&mm->mmap_sem){++++}, at: [<000000009ca30983>] __do_page_fault+0x282/0xbb0 arch/x86/mm/fault.c:1352 1 lock held by blkid/28774: #0: (&mm->mmap_sem){++++}, at: [<000000009ca30983>] __do_page_fault+0x282/0xbb0 arch/x86/mm/fault.c:1352 1 lock held by blkid/28777: #0: (&mm->mmap_sem){++++}, at: [<000000009ca30983>] __do_page_fault+0x282/0xbb0 arch/x86/mm/fault.c:1352 1 lock held by udevd/28778: #0: (&ei->i_mmap_sem){++++}, at: [<0000000083490e59>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6178 1 lock held by udevd/28781: [28986] 0 28986 6934 4873 21 3 0 -1000 blkid #0: [28987] 0 28987 6044 828 16 3 0 -1000 udevd (&ei->i_mmap_sem){++++}, at: [<0000000083490e59>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6178 1 lock held by udevd/28782: #0: (&ei->i_mmap_sem){++++}, at: [<0000000083490e59>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6178 1 lock held by blkid/28783: #0: (&mm->mmap_sem){++++}, at: [<000000009ca30983>] __do_page_fault+0x282/0xbb0 arch/x86/mm/fault.c:1352 1 lock held by blkid/28784: #0: (&mm->mmap_sem){++++}, at: [<000000009ca30983>] __do_page_fault+0x282/0xbb0 arch/x86/mm/fault.c:1352 1 lock held by blkid/28785: #0: (&mm->mmap_sem){++++}, at: [<000000009ca30983>] __do_page_fault+0x282/0xbb0 arch/x86/mm/fault.c:1352 1 lock held by blkid/28786: #0: (&ei->i_mmap_sem){++++}, at: [<0000000083490e59>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6178 1 lock held by udevd/28787: #0: (&ei->i_mmap_sem){++++}, at: [<0000000083490e59>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6178 1 lock held by udevd/28793: #0: (&ei->i_mmap_sem){++++}, at: [<0000000083490e59>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6178 1 lock held by blkid/28794: #0: (&mm->mmap_sem){++++}, at: [<000000009ca30983>] __do_page_fault+0x282/0xbb0 arch/x86/mm/fault.c:1352 1 lock held by blkid/28795: #0: (&mm->mmap_sem){++++}, at: [<000000009ca30983>] __do_page_fault+0x282/0xbb0 arch/x86/mm/fault.c:1352 1 lock held by blkid/28796: [28988] 0 28988 6044 828 16 3 0 -1000 udevd #0: [28989] 0 28989 6044 829 16 3 0 -1000 udevd (&mm->mmap_sem [28990] 0 28990 7128 5070 22 3 0 -1000 blkid ){++++}, at: [<000000009ca30983>] __do_page_fault+0x282/0xbb0 arch/x86/mm/fault.c:1352 1 lock held by blkid/28797: #0: (&mm->mmap_sem){++++}, at: [<000000009ca30983>] __do_page_fault+0x282/0xbb0 arch/x86/mm/fault.c:1352 1 lock held by udevd/28798: #0: (&ei->i_mmap_sem){++++}, at: [<0000000083490e59>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6178 1 lock held by udevd/28799: #0: (&ei->i_mmap_sem){++++}, at: [<0000000083490e59>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6178 1 lock held by udevd/28800: #0: ( [28991] 0 28991 6044 829 16 3 0 -1000 udevd &ei->i_mmap_sem [28992] 0 28992 6044 828 16 3 0 -1000 udevd ){++++}, at: [<0000000083490e59>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6178 1 lock held by udevd/28801: #0: (&ei->i_mmap_sem){++++}, at: [<0000000083490e59>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6178 1 lock held by blkid/28803: #0: (&mm->mmap_sem){++++}, at: [<000000009ca30983>] __do_page_fault+0x282/0xbb0 arch/x86/mm/fault.c:1352 1 lock held by udevd/28804: #0: (&ei->i_mmap_sem){++++}, at: [<0000000083490e59>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6178 1 lock held by udevd/28805: #0: (&ei->i_mmap_sem){++++}, at: [<0000000083490e59>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6178 1 lock held by udevd/28806: #0: (&ei->i_mmap_sem){++++}, at: [<0000000083490e59>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6178 1 lock held by blkid/28807: #0: (&mm->mmap_sem){++++}, at: [<000000009ca30983>] __do_page_fault+0x282/0xbb0 arch/x86/mm/fault.c:1352 1 lock held by blkid/28808: #0: (&mm->mmap_sem){++++}, at: [<000000009ca30983>] __do_page_fault+0x282/0xbb0 arch/x86/mm/fault.c:1352 1 lock held by blkid/28809: #0: (&mm->mmap_sem){++++}, at: [<000000009ca30983>] __do_page_fault+0x282/0xbb0 arch/x86/mm/fault.c:1352 1 lock held by blkid/28810: #0: (&mm->mmap_sem){++++}, at: [<000000009ca30983>] __do_page_fault+0x282/0xbb0 arch/x86/mm/fault.c:1352 1 lock held by udevd/28811: #0: (&ei->i_mmap_sem){++++}, at: [<0000000083490e59>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6178 1 lock held by udevd/28812: #0: (&ei->i_mmap_sem){++++}, at: [<0000000083490e59>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6178 1 lock held by udevd/28813: #0: (&ei->i_mmap_sem){++++}, at: [<0000000083490e59>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6178 1 lock held by udevd/28814: #0: (&ei->i_mmap_sem){++++}, at: [<0000000083490e59>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6178 1 lock held by blkid/28817: #0: (&mm->mmap_sem){++++}, at: [<000000009ca30983>] __do_page_fault+0x282/0xbb0 arch/x86/mm/fault.c:1352 1 lock held by blkid/28818: #0: (&mm->mmap_sem){++++}, at: [<000000009ca30983>] __do_page_fault+0x282/0xbb0 arch/x86/mm/fault.c:1352 1 lock held by udevd/28819: #0: (&ei->i_mmap_sem){++++}, at: [<0000000083490e59>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6178 1 lock held by udevd/28820: #0: (&ei->i_mmap_sem){++++}, at: [<0000000083490e59>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6178 1 lock held by blkid/28821: #0: (&mm->mmap_sem){++++}, at: [<000000009ca30983>] __do_page_fault+0x282/0xbb0 arch/x86/mm/fault.c:1352 1 lock held by blkid/28822: #0: (&mm->mmap_sem){++++}, at: [<000000009ca30983>] __do_page_fault+0x282/0xbb0 arch/x86/mm/fault.c:1352 1 lock held by blkid/28823: #0: (&ei->i_mmap_sem){++++}, at: [<0000000083490e59>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6178 1 lock held by blkid/28824: #0: (&mm->mmap_sem){++++}, at: [<000000009ca30983>] __do_page_fault+0x282/0xbb0 arch/x86/mm/fault.c:1352 1 lock held by blkid/28825: #0: (&mm->mmap_sem){++++}, at: [<000000009ca30983>] __do_page_fault+0x282/0xbb0 arch/x86/mm/fault.c:1352 1 lock held by udevd/28826: #0: (&ei->i_mmap_sem){++++}, at: [<0000000083490e59>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6178 1 lock held by udevd/28827: #0: (&ei->i_mmap_sem){++++}, at: [<0000000083490e59>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6178 1 lock held by blkid/28830: #0: (&ei->i_mmap_sem){++++}, at: [<0000000083490e59>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6178 1 lock held by blkid/28832: #0: (&mm->mmap_sem){++++}, at: [<000000009ca30983>] __do_page_fault+0x282/0xbb0 arch/x86/mm/fault.c:1352 1 lock held by blkid/28834: #0: (&mm->mmap_sem){++++}, at: [<000000009ca30983>] __do_page_fault+0x282/0xbb0 arch/x86/mm/fault.c:1352 1 lock held by udevd/28835: #0: (&ei->i_mmap_sem){++++}, at: [<0000000083490e59>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6178 1 lock held by udevd/28837: #0: (&ei->i_mmap_sem){++++}, at: [<0000000083490e59>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6178 1 lock held by udevd/28839: #0: (&ei->i_mmap_sem){++++}, at: [<0000000083490e59>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6178 1 lock held by udevd/28840: #0: (&ei->i_mmap_sem){++++}, at: [<0000000083490e59>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6178 1 lock held by udevd/28841: #0: (&ei->i_mmap_sem){++++}, at: [<0000000083490e59>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6178 1 lock held by udevd/28842: #0: (&ei->i_mmap_sem){++++}, at: [<0000000083490e59>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6178 1 lock held by blkid/28845: #0: (&mm->mmap_sem){++++}, at: [<000000009ca30983>] __do_page_fault+0x282/0xbb0 arch/x86/mm/fault.c:1352 1 lock held by blkid/28849: #0: (&mm->mmap_sem){++++}, at: [<000000009ca30983>] __do_page_fault+0x282/0xbb0 arch/x86/mm/fault.c:1352 1 lock held by udevd/28852: #0: (&ei->i_mmap_sem){++++}, at: [<0000000083490e59>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6178 1 lock held by udevd/28853: #0: (&ei->i_mmap_sem){++++}, at: [<0000000083490e59>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6178 1 lock held by blkid/28854: #0: (&ei->i_mmap_sem){++++}, at: [<0000000083490e59>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6178 1 lock held by udevd/28856: #0: (&ei->i_mmap_sem){++++}, at: [<0000000083490e59>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6178 1 lock held by udevd/28857: #0: (&ei->i_mmap_sem){++++}, at: [<0000000083490e59>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6178 1 lock held by blkid/28858: #0: (&mm->mmap_sem){++++}, at: [<000000009ca30983>] __do_page_fault+0x282/0xbb0 arch/x86/mm/fault.c:1352 1 lock held by udevd/28859: #0: (&ei->i_mmap_sem){++++}, at: [<0000000083490e59>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6178 1 lock held by blkid/28861: #0: [28993] 0 28993 6044 829 16 3 0 -1000 udevd (&mm->mmap_sem){++++}, at: [<000000009ca30983>] __do_page_fault+0x282/0xbb0 arch/x86/mm/fault.c:1352 1 lock held by blkid/28862: #0: (&mm->mmap_sem){++++}, at: [<000000009ca30983>] __do_page_fault+0x282/0xbb0 arch/x86/mm/fault.c:1352 1 lock held by blkid/28863: #0: (&mm->mmap_sem){++++}, at: [<000000009ca30983>] __do_page_fault+0x282/0xbb0 arch/x86/mm/fault.c:1352 1 lock held by blkid/28864: #0: (&mm->mmap_sem){++++}, at: [<000000009ca30983>] __do_page_fault+0x282/0xbb0 arch/x86/mm/fault.c:1352 1 lock held by udevd/28866: #0: (&ei->i_mmap_sem){++++}, at: [<0000000083490e59>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6178 1 lock held by udevd/28867: #0: (&ei->i_mmap_sem){++++}, at: [<0000000083490e59>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6178 1 lock held by udevd/28868: #0: (&ei->i_mmap_sem){++++}, at: [<0000000083490e59>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6178 1 lock held by udevd/28869: #0: (&ei->i_mmap_sem){++++}, at: [<0000000083490e59>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6178 1 lock held by blkid/28870: #0: (&ei->i_mmap_sem){++++}, at: [<0000000083490e59>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6178 1 lock held by udevd/28871: #0: (&ei->i_mmap_sem){++++}, at: [<0000000083490e59>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6178 1 lock held by udevd/28880: #0: (&ei->i_mmap_sem){++++}, at: [<0000000083490e59>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6178 1 lock held by udevd/28881: #0: (&ei->i_mmap_sem){++++}, at: [<0000000083490e59>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6178 1 lock held by blkid/28883: #0: (&mm->mmap_sem){++++}, at: [<000000009ca30983>] __do_page_fault+0x282/0xbb0 arch/x86/mm/fault.c:1352 1 lock held by blkid/28887: [28994] 0 28994 7136 5071 20 3 0 -1000 blkid #0: (&ei->i_mmap_sem){++++}, at: [<0000000083490e59>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6178 1 lock held by blkid/28888: [28995] 0 28995 6622 4543 19 4 0 -1000 blkid #0: (&mm->mmap_sem){++++}, at: [<000000009ca30983>] __do_page_fault+0x282/0xbb0 arch/x86/mm/fault.c:1352 1 lock held by blkid/28889: #0: ( [28996] 0 28996 6560 4476 19 3 0 -1000 blkid &mm->mmap_sem){++++}, at: [<000000009ca30983>] __do_page_fault+0x282/0xbb0 arch/x86/mm/fault.c:1352 1 lock held by blkid/28890: #0: (&mm->mmap_sem){++++}, at: [<000000009ca30983>] __do_page_fault+0x282/0xbb0 arch/x86/mm/fault.c:1352 1 lock held by udevd/28891: #0: (&ei->i_mmap_sem){++++}, at: [<0000000083490e59>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6178 1 lock held by udevd/28892: #0: (&ei->i_mmap_sem){++++}, at: [<0000000083490e59>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6178 1 lock held by udevd/28893: [28997] 0 28997 6536 4476 19 3 0 -1000 blkid #0: (&ei->i_mmap_sem){++++}, at: [<0000000083490e59>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6178 1 lock held by udevd/28894: #0: (&ei->i_mmap_sem){++++}, at: [<0000000083490e59>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6178 1 lock held by udevd/28895: #0: (&ei->i_mmap_sem){++++}, at: [<0000000083490e59>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6178 1 lock held by blkid/28896: #0: (&mm->mmap_sem){++++}, at: [<000000009ca30983>] __do_page_fault+0x282/0xbb0 arch/x86/mm/fault.c:1352 1 lock held by blkid/28897: #0: (&mm->mmap_sem){++++}, at: [<000000009ca30983>] __do_page_fault+0x282/0xbb0 arch/x86/mm/fault.c:1352 1 lock held by blkid/28902: #0: (&mm->mmap_sem){++++}, at: [<000000009ca30983>] __do_page_fault+0x282/0xbb0 arch/x86/mm/fault.c:1352 1 lock held by blkid/28903: #0: (&mm->mmap_sem){++++}, at: [<000000009ca30983>] __do_page_fault+0x282/0xbb0 arch/x86/mm/fault.c:1352 1 lock held by udevd/28904: #0: (&ei->i_mmap_sem){++++}, at: [<0000000083490e59>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6178 1 lock held by blkid/28906: #0: (&mm->mmap_sem){++++}, at: [<000000009ca30983>] __do_page_fault+0x282/0xbb0 arch/x86/mm/fault.c:1352 1 lock held by udevd/28908: #0: (&ei->i_mmap_sem){++++}, at: [<0000000083490e59>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6178 1 lock held by udevd/28909: #0: (&ei->i_mmap_sem){++++}, at: [<0000000083490e59>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6178 1 lock held by udevd/28910: #0: (&ei->i_mmap_sem){++++}, at: [<0000000083490e59>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6178 1 lock held by udevd/28911: #0: (&ei->i_mmap_sem){++++}, at: [<0000000083490e59>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6178 1 lock held by udevd/28912: #0: (&ei->i_mmap_sem){++++}, at: [<0000000083490e59>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6178 1 lock held by udevd/28913: #0: (&ei->i_mmap_sem){++++}, at: [<0000000083490e59>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6178 1 lock held by blkid/28915: #0: (&mm->mmap_sem){++++}, at: [<000000009ca30983>] __do_page_fault+0x282/0xbb0 arch/x86/mm/fault.c:1352 1 lock held by blkid/28907: #0: (&mm->mmap_sem){++++}, at: [<000000009ca30983>] __do_page_fault+0x282/0xbb0 arch/x86/mm/fault.c:1352 1 lock held by blkid/28920: #0: (&mm->mmap_sem){++++}, at: [<000000009ca30983>] __do_page_fault+0x282/0xbb0 arch/x86/mm/fault.c:1352 1 lock held by blkid/28923: [28998] 0 28998 6044 829 16 3 0 -1000 udevd #0: [28999] 0 28999 6044 828 16 3 0 -1000 udevd (&mm->mmap_sem){++++}, at: [<000000009ca30983>] __do_page_fault+0x282/0xbb0 arch/x86/mm/fault.c:1352 1 lock held by blkid/28922: #0: (&mm->mmap_sem){++++}, at: [<000000009ca30983>] __do_page_fault+0x282/0xbb0 arch/x86/mm/fault.c:1352 1 lock held by blkid/28924: #0: (&mm->mmap_sem){++++}, at: [<000000009ca30983>] __do_page_fault+0x282/0xbb0 arch/x86/mm/fault.c:1352 1 lock held by udevd/28925: #0: (&ei->i_mmap_sem){++++}, at: [<0000000083490e59>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6178 1 lock held by udevd/28926: #0: (&ei->i_mmap_sem){++++}, at: [<0000000083490e59>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6178 1 lock held by blkid/28927: #0: (&mm->mmap_sem){++++}, at: [<000000009ca30983>] __do_page_fault+0x282/0xbb0 arch/x86/mm/fault.c:1352 1 lock held by blkid/28928: #0: (&mm->mmap_sem){++++}, at: [<000000009ca30983>] __do_page_fault+0x282/0xbb0 arch/x86/mm/fault.c:1352 1 lock held by udevd/28930: [29000] 0 29000 6044 829 16 3 0 -1000 udevd #0: (&ei->i_mmap_sem){++++}, at: [<0000000083490e59>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6178 1 lock held by udevd/28931: #0: (&ei->i_mmap_sem){++++}, at: [<0000000083490e59>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6178 1 lock held by udevd/28933: #0: (&ei->i_mmap_sem){++++}, at: [<0000000083490e59>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6178 1 lock held by udevd/28934: #0: (&ei->i_mmap_sem){++++}, at: [<0000000083490e59>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6178 1 lock held by udevd/28935: #0: (&ei->i_mmap_sem){++++}, at: [<0000000083490e59>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6178 1 lock held by udevd/28936: #0: (&ei->i_mmap_sem){++++}, at: [<0000000083490e59>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6178 1 lock held by udevd/28937: #0: (&ei->i_mmap_sem){++++}, at: [<0000000083490e59>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6178 1 lock held by blkid/28938: #0: (&mm->mmap_sem){++++}, at: [<000000009ca30983>] __do_page_fault+0x282/0xbb0 arch/x86/mm/fault.c:1352 1 lock held by blkid/28939: #0: (&mm->mmap_sem){++++}, at: [<000000009ca30983>] __do_page_fault+0x282/0xbb0 arch/x86/mm/fault.c:1352 1 lock held by blkid/28940: #0: (&mm->mmap_sem){++++}, at: [<000000009ca30983>] __do_page_fault+0x282/0xbb0 arch/x86/mm/fault.c:1352 1 lock held by udevd/28941: #0: (&ei->i_mmap_sem){++++}, at: [<0000000083490e59>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6178 1 lock held by blkid/28942: #0: (&mm->mmap_sem){++++}, at: [<000000009ca30983>] __do_page_fault+0x282/0xbb0 arch/x86/mm/fault.c:1352 1 lock held by blkid/28943: #0: (&ei->i_mmap_sem){++++}, at: [<0000000083490e59>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6178 1 lock held by blkid/28944: #0: (&mm->mmap_sem){++++}, at: [<000000009ca30983>] __do_page_fault+0x282/0xbb0 arch/x86/mm/fault.c:1352 1 lock held by blkid/28945: #0: (&mm->mmap_sem){++++}, at: [<000000009ca30983>] __do_page_fault+0x282/0xbb0 arch/x86/mm/fault.c:1352 1 lock held by udevd/28947: #0: (&ei->i_mmap_sem){++++}, at: [<0000000083490e59>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6178 1 lock held by blkid/28946: #0: (&mm->mmap_sem){++++}, at: [<000000009ca30983>] __do_page_fault+0x282/0xbb0 arch/x86/mm/fault.c:1352 1 lock held by udevd/28949: #0: (&ei->i_mmap_sem){++++}, at: [<0000000083490e59>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6178 1 lock held by udevd/28950: #0: (&ei->i_mmap_sem){++++}, at: [<0000000083490e59>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6178 1 lock held by udevd/28951: #0: (&ei->i_mmap_sem){++++}, at: [<0000000083490e59>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6178 1 lock held by udevd/28952: #0: (&ei->i_mmap_sem){++++}, at: [<0000000083490e59>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6178 1 lock held by blkid/28953: #0: (&mm->mmap_sem){++++}, at: [<000000009ca30983>] __do_page_fault+0x282/0xbb0 arch/x86/mm/fault.c:1352 1 lock held by blkid/28954: #0: (&mm->mmap_sem){++++}, at: [<000000009ca30983>] __do_page_fault+0x282/0xbb0 arch/x86/mm/fault.c:1352 1 lock held by udevd/28955: #0: (&ei->i_mmap_sem){++++}, at: [<0000000083490e59>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6178 1 lock held by udevd/28956: #0: (&ei->i_mmap_sem){++++}, at: [<0000000083490e59>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6178 1 lock held by udevd/28958: #0: (&ei->i_mmap_sem){++++}, at: [<0000000083490e59>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6178 1 lock held by udevd/28959: #0: (&ei->i_mmap_sem){++++}, at: [<0000000083490e59>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6178 1 lock held by blkid/28960: #0: (&mm->mmap_sem){++++}, at: [<000000009ca30983>] __do_page_fault+0x282/0xbb0 arch/x86/mm/fault.c:1352 1 lock held by blkid/28961: #0: (&mm->mmap_sem){++++}, at: [<000000009ca30983>] __do_page_fault+0x282/0xbb0 arch/x86/mm/fault.c:1352 1 lock held by blkid/28962: #0: (&mm->mmap_sem){++++}, at: [<000000009ca30983>] __do_page_fault+0x282/0xbb0 arch/x86/mm/fault.c:1352 1 lock held by blkid/28963: #0: (&mm->mmap_sem){++++}, at: [<000000009ca30983>] __do_page_fault+0x282/0xbb0 arch/x86/mm/fault.c:1352 1 lock held by blkid/28964: #0: (&mm->mmap_sem){++++}, at: [<000000009ca30983>] __do_page_fault+0x282/0xbb0 arch/x86/mm/fault.c:1352 1 lock held by udevd/28965: #0: (&ei->i_mmap_sem){++++}, at: [<0000000083490e59>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6178 1 lock held by udevd/28966: #0: (&ei->i_mmap_sem){++++}, at: [<0000000083490e59>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6178 1 lock held by udevd/28967: #0: (&ei->i_mmap_sem){++++}, at: [<0000000083490e59>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6178 1 lock held by udevd/28968: #0: (&ei->i_mmap_sem){++++}, at: [<0000000083490e59>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6178 1 lock held by udevd/28969: #0: (&ei->i_mmap_sem){++++}, at: [<0000000083490e59>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6178 1 lock held by blkid/28972: #0: (&mm->mmap_sem){++++}, at: [<000000009ca30983>] __do_page_fault+0x282/0xbb0 arch/x86/mm/fault.c:1352 1 lock held by blkid/28973: #0: (&mm->mmap_sem){++++}, at: [<000000009ca30983>] __do_page_fault+0x282/0xbb0 arch/x86/mm/fault.c:1352 1 lock held by blkid/28974: #0: (&mm->mmap_sem){++++}, at: [<000000009ca30983>] __do_page_fault+0x282/0xbb0 arch/x86/mm/fault.c:1352 1 lock held by udevd/28977: #0: (&ei->i_mmap_sem){++++}, at: [<0000000083490e59>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6178 1 lock held by udevd/28978: #0: (&ei->i_mmap_sem){++++}, at: [<0000000083490e59>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6178 1 lock held by udevd/28979: #0: (&ei->i_mmap_sem){++++}, at: [<0000000083490e59>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6178 1 lock held by udevd/28980: #0: (&ei->i_mmap_sem){++++}, at: [<0000000083490e59>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6178 1 lock held by blkid/28981: #0: (&mm->mmap_sem){++++}, at: [<000000009ca30983>] __do_page_fault+0x282/0xbb0 arch/x86/mm/fault.c:1352 1 lock held by blkid/28982: #0: (&mm->mmap_sem){++++}, at: [<000000009ca30983>] __do_page_fault+0x282/0xbb0 arch/x86/mm/fault.c:1352 1 lock held by blkid/28984: #0: (&mm->mmap_sem){++++}, at: [<000000009ca30983>] __do_page_fault+0x282/0xbb0 arch/x86/mm/fault.c:1352 1 lock held by blkid/28986: #0: (&mm->mmap_sem){++++}, at: [<000000009ca30983>] __do_page_fault+0x282/0xbb0 arch/x86/mm/fault.c:1352 1 lock held by udevd/28988: #0: (&ei->i_mmap_sem){++++}, at: [<0000000083490e59>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6178 1 lock held by udevd/28989: #0: (&ei->i_mmap_sem){++++}, at: [<0000000083490e59>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6178 1 lock held by blkid/28990: #0: (&mm->mmap_sem){++++}, at: [<000000009ca30983>] __do_page_fault+0x282/0xbb0 arch/x86/mm/fault.c:1352 1 lock held by udevd/28991: #0: (&ei->i_mmap_sem){++++}, at: [<0000000083490e59>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6178 1 lock held by udevd/28992: #0: (&ei->i_mmap_sem){++++}, at: [<0000000083490e59>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6178 1 lock held by udevd/28993: #0: (&ei->i_mmap_sem){++++}, at: [<0000000083490e59>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6178 1 lock held by blkid/28994: #0: (&mm->mmap_sem){++++}, at: [<000000009ca30983>] __do_page_fault+0x282/0xbb0 arch/x86/mm/fault.c:1352 1 lock held by blkid/28995: #0: (&mm->mmap_sem){++++}, at: [<000000009ca30983>] __do_page_fault+0x282/0xbb0 arch/x86/mm/fault.c:1352 1 lock held by blkid/28996: #0: (&mm->mmap_sem){++++}, at: [<000000009ca30983>] __do_page_fault+0x282/0xbb0 arch/x86/mm/fault.c:1352 1 lock held by blkid/28997: #0: (&mm->mmap_sem){++++}, at: [<000000009ca30983>] __do_page_fault+0x282/0xbb0 arch/x86/mm/fault.c:1352 1 lock held by udevd/28998: #0: (&ei->i_mmap_sem){++++}, at: [<0000000083490e59>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6178 1 lock held by udevd/29000: #0: (&ei->i_mmap_sem){++++}, at: [<0000000083490e59>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6178 1 lock held by udevd/29001: #0: (&ei->i_mmap_sem){++++}, at: [<0000000083490e59>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6178 1 lock held by blkid/29003: #0: (&ei->i_mmap_sem){++++}, at: [<0000000083490e59>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6178 1 lock held by blkid/29004: #0: (&mm->mmap_sem){++++}, at: [<000000009ca30983>] __do_page_fault+0x282/0xbb0 arch/x86/mm/fault.c:1352 1 lock held by blkid/29005: #0: (&mm->mmap_sem){++++}, at: [<000000009ca30983>] __do_page_fault+0x282/0xbb0 arch/x86/mm/fault.c:1352 1 lock held by blkid/29006: #0: (&mm->mmap_sem){++++}, at: [<000000009ca30983>] __do_page_fault+0x282/0xbb0 arch/x86/mm/fault.c:1352 1 lock held by udevd/29007: #0: (&ei->i_mmap_sem){++++}, at: [<0000000083490e59>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6178 1 lock held by udevd/29008: #0: (&ei->i_mmap_sem){++++}, at: [<0000000083490e59>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6178 1 lock held by udevd/29009: #0: (&ei->i_mmap_sem){++++}, at: [<0000000083490e59>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6178 1 lock held by udevd/29010: #0: (&ei->i_mmap_sem){++++}, at: [<0000000083490e59>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6178 1 lock held by blkid/29011: #0: (&mm->mmap_sem){++++}, at: [<000000009ca30983>] __do_page_fault+0x282/0xbb0 arch/x86/mm/fault.c:1352 1 lock held by blkid/29013: #0: (&mm->mmap_sem [29001] 0 29001 6044 829 16 3 0 -1000 udevd ){++++}, at: [<000000009ca30983>] __do_page_fault+0x282/0xbb0 arch/x86/mm/fault.c:1352 1 lock held by blkid/29014: #0: (&mm->mmap_sem){++++}, at: [<000000009ca30983>] __do_page_fault+0x282/0xbb0 arch/x86/mm/fault.c:1352 1 lock held by blkid/29015: #0: (&mm->mmap_sem){++++} [29002] 0 29002 6510 4412 20 3 0 -1000 blkid , at: [<000000009ca30983>] __do_page_fault+0x282/0xbb0 arch/x86/mm/fault.c:1352 1 lock held by udevd/29016: [29003] 0 29003 6324 4279 18 3 0 -1000 blkid #0: [29004] 0 29004 6256 4213 19 3 0 -1000 blkid (&ei->i_mmap_sem){++++}, at: [<0000000083490e59>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6178 1 lock held by udevd/29017: #0: (&ei->i_mmap_sem){++++}, at: [<0000000083490e59>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6178 1 lock held by udevd/29018: #0: (&ei->i_mmap_sem){++++}, at: [<0000000083490e59>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6178 1 lock held by udevd/29019: #0: (&ei->i_mmap_sem){++++}, at: [<0000000083490e59>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6178 1 lock held by blkid/29020: #0: (&mm->mmap_sem){++++}, at: [<000000009ca30983>] __do_page_fault+0x282/0xbb0 arch/x86/mm/fault.c:1352 1 lock held by blkid/29021: #0: (&mm->mmap_sem){++++}, at: [<000000009ca30983>] __do_page_fault+0x282/0xbb0 arch/x86/mm/fault.c:1352 1 lock held by blkid/29022: #0: (&mm->mmap_sem){++++}, at: [<000000009ca30983>] __do_page_fault+0x282/0xbb0 arch/x86/mm/fault.c:1352 1 lock held by blkid/29023: #0: (&mm->mmap_sem){++++}, at: [<000000009ca30983>] __do_page_fault+0x282/0xbb0 arch/x86/mm/fault.c:1352 1 lock held by blkid/29024: #0: (&mm->mmap_sem){++++}, at: [<000000009ca30983>] __do_page_fault+0x282/0xbb0 arch/x86/mm/fault.c:1352 1 lock held by udevd/29025: #0: (&ei->i_mmap_sem){++++}, at: [<0000000083490e59>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6178 1 lock held by udevd/29026: #0: (&ei->i_mmap_sem){++++}, at: [<0000000083490e59>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6178 1 lock held by udevd/29027: #0: (&ei->i_mmap_sem){++++}, at: [<0000000083490e59>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6178 1 lock held by udevd/29028: #0: (&ei->i_mmap_sem){++++}, at: [<0000000083490e59>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6178 1 lock held by udevd/29029: #0: (&ei->i_mmap_sem){++++}, at: [<0000000083490e59>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6178 1 lock held by blkid/29030: #0: (&mm->mmap_sem){++++}, at: [<000000009ca30983>] __do_page_fault+0x282/0xbb0 arch/x86/mm/fault.c:1352 1 lock held by blkid/29031: [29005] 0 29005 6034 3984 17 3 0 -1000 blkid #0: (&mm->mmap_sem){++++}, at: [<000000009ca30983>] __do_page_fault+0x282/0xbb0 arch/x86/mm/fault.c:1352 1 lock held by blkid/29032: #0: (&mm->mmap_sem){++++}, at: [<000000009ca30983>] __do_page_fault+0x282/0xbb0 arch/x86/mm/fault.c:1352 1 lock held by udevd/29033: #0: (&ei->i_mmap_sem){++++}, at: [<0000000083490e59>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6178 1 lock held by udevd/29034: #0: (&ei->i_mmap_sem){++++}, at: [<0000000083490e59>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6178 1 lock held by udevd/29035: #0: (&ei->i_mmap_sem){++++}, at: [<0000000083490e59>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6178 1 lock held by udevd/29036: #0: (&ei->i_mmap_sem){++++}, at: [<0000000083490e59>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6178 1 lock held by udevd/29037: #0: ( [29006] 0 29006 5852 3787 18 3 0 -1000 blkid &ei->i_mmap_sem){++++}, at: [<0000000083490e59>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6178 1 lock held by blkid/29038: #0: (&mm->mmap_sem){++++}, at: [<000000009ca30983>] __do_page_fault+0x282/0xbb0 arch/x86/mm/fault.c:1352 1 lock held by blkid/29039: #0: (&mm->mmap_sem){++++}, at: [<000000009ca30983>] __do_page_fault+0x282/0xbb0 arch/x86/mm/fault.c:1352 1 lock held by blkid/29040: #0: (&mm->mmap_sem){++++}, at: [<000000009ca30983>] __do_page_fault+0x282/0xbb0 arch/x86/mm/fault.c:1352 1 lock held by udevd/29041: #0: (&ei->i_mmap_sem){++++}, at: [<0000000083490e59>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6178 1 lock held by udevd/29043: #0: (&ei->i_mmap_sem){++++}, at: [<0000000083490e59>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6178 1 lock held by udevd/29044: #0: (&ei->i_mmap_sem){++++}, at: [<0000000083490e59>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6178 1 lock held by udevd/29045: #0: (&ei->i_mmap_sem){++++}, at: [<0000000083490e59>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6178 1 lock held by udevd/29046: #0: (&ei->i_mmap_sem){++++}, at: [<0000000083490e59>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6178 1 lock held by getty/29053: #0: (&ei->i_mmap_sem){++++}, at: [<0000000083490e59>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6178 1 lock held by getty/29054: #0: (&ei->i_mmap_sem){++++}, at: [<0000000083490e59>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6178 1 lock held by getty/29055: #0: (&ei->i_mmap_sem){++++}, at: [<0000000083490e59>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6178 1 lock held by blkid/29056: #0: (&mm->mmap_sem){++++}, at: [<000000009ca30983>] __do_page_fault+0x282/0xbb0 arch/x86/mm/fault.c:1352 1 lock held by blkid/29057: #0: (&mm->mmap_sem){++++}, at: [<000000009ca30983>] __do_page_fault+0x282/0xbb0 arch/x86/mm/fault.c:1352 1 lock held by getty/29060: #0: (&ei->i_mmap_sem){++++}, at: [<0000000083490e59>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6178 1 lock held by getty/29061: #0: (&ei->i_mmap_sem){++++}, at: [<0000000083490e59>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6178 1 lock held by blkid/29064: #0: (&ei->i_mmap_sem){++++}, at: [<0000000083490e59>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6178 1 lock held by blkid/29065: #0: (&mm->mmap_sem){++++}, at: [<000000009ca30983>] __do_page_fault+0x282/0xbb0 arch/x86/mm/fault.c:1352 1 lock held by blkid/29067: #0: (&mm->mmap_sem){++++}, at: [<000000009ca30983>] __do_page_fault+0x282/0xbb0 arch/x86/mm/fault.c:1352 1 lock held by blkid/29068: #0: (&mm->mmap_sem){++++}, at: [<000000009ca30983>] __do_page_fault+0x282/0xbb0 arch/x86/mm/fault.c:1352 1 lock held by blkid/29070: #0: (&mm->mmap_sem){++++}, at: [<000000009ca30983>] __do_page_fault+0x282/0xbb0 arch/x86/mm/fault.c:1352 1 lock held by udevd/29073: #0: (&ei->i_mmap_sem){++++}, at: [<0000000083490e59>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6178 1 lock held by blkid/29072: #0: (&mm->mmap_sem){++++}, at: [<000000009ca30983>] __do_page_fault+0x282/0xbb0 arch/x86/mm/fault.c:1352 1 lock held by udevd/29076: #0: (&ei->i_mmap_sem){++++}, at: [<0000000083490e59>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6178 1 lock held by udevd/29078: #0: (&ei->i_mmap_sem){++++}, at: [<0000000083490e59>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6178 1 lock held by blkid/29079: #0: (&mm->mmap_sem){++++}, at: [<000000009ca30983>] __do_page_fault+0x282/0xbb0 arch/x86/mm/fault.c:1352 1 lock held by udevd/29081: #0: (&ei->i_mmap_sem){++++}, at: [<0000000083490e59>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6178 1 lock held by udevd/29082: #0: (&ei->i_mmap_sem){++++}, at: [<0000000083490e59>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6178 1 lock held by udevd/29083: #0: (&ei->i_mmap_sem){++++}, at: [<0000000083490e59>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6178 1 lock held by udevd/29084: #0: [29007] 0 29007 6044 829 16 3 0 -1000 udevd ( [29008] 0 29008 6044 828 16 3 0 -1000 udevd &ei->i_mmap_sem){++++}, at: [<0000000083490e59>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6178 1 lock held by blkid/29087: #0: (&mm->mmap_sem){++++}, at: [<000000009ca30983>] __do_page_fault+0x282/0xbb0 arch/x86/mm/fault.c:1352 1 lock held by blkid/29088: #0: (&mm->mmap_sem){++++}, at: [<000000009ca30983>] __do_page_fault+0x282/0xbb0 arch/x86/mm/fault.c:1352 1 lock held by blkid/29090: #0: (&mm->mmap_sem){++++}, at: [<000000009ca30983>] __do_page_fault+0x282/0xbb0 arch/x86/mm/fault.c:1352 3 locks held by udevd/29092: #0: (&dup_mmap_sem){.+.+}, at: [<00000000c98391ee>] dup_mmap kernel/fork.c:609 [inline] #0: (&dup_mmap_sem){.+.+}, at: [<00000000c98391ee>] dup_mm kernel/fork.c:1211 [inline] #0: (&dup_mmap_sem){.+.+}, at: [<00000000c98391ee>] copy_mm kernel/fork.c:1266 [inline] #0: (&dup_mmap_sem){.+.+}, at: [<00000000c98391ee>] copy_process.part.0+0x1fd6/0x68b0 kernel/fork.c:1789 #1: (&mm->mmap_sem){++++}, at: [<00000000690bbfe0>] dup_mmap kernel/fork.c:610 [inline] #1: (&mm->mmap_sem){++++}, at: [<00000000690bbfe0>] dup_mm kernel/fork.c:1211 [inline] #1: (&mm->mmap_sem){++++}, at: [<00000000690bbfe0>] copy_mm kernel/fork.c:1266 [inline] #1: (&mm->mmap_sem){++++}, at: [<00000000690bbfe0>] copy_process.part.0+0x1ff2/0x68b0 kernel/fork.c:1789 #2: (&mm->mmap_sem/1){+.+.}, at: [<00000000bdefd031>] dup_mmap kernel/fork.c:619 [inline] #2: (&mm->mmap_sem/1){+.+.}, at: [<00000000bdefd031>] dup_mm kernel/fork.c:1211 [inline] #2: (&mm->mmap_sem/1){+.+.}, at: [<00000000bdefd031>] copy_mm kernel/fork.c:1266 [inline] #2: (&mm->mmap_sem/1){+.+.}, at: [<00000000bdefd031>] copy_process.part.0+0x203a/0x68b0 kernel/fork.c:1789 1 lock held by udevd/29093: #0: (&ei->i_mmap_sem){++++}, at: [<0000000083490e59>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6178 1 lock held by udevd/29094: #0: (&ei->i_mmap_sem){++++}, at: [<0000000083490e59>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6178 1 lock held by blkid/29098: #0: (&mm->mmap_sem){++++}, at: [<000000009ca30983>] __do_page_fault+0x282/0xbb0 arch/x86/mm/fault.c:1352 1 lock held by blkid/29099: #0: (&mm->mmap_sem){++++}, at: [<000000009ca30983>] __do_page_fault+0x282/0xbb0 arch/x86/mm/fault.c:1352 1 lock held by blkid/29101: #0: (&mm->mmap_sem){++++}, at: [<000000009ca30983>] __do_page_fault+0x282/0xbb0 arch/x86/mm/fault.c:1352 1 lock held by blkid/29108: #0: (&ei->i_mmap_sem){++++}, at: [<0000000083490e59>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6178 1 lock held by udevd/29112: #0: (&ei->i_mmap_sem){++++}, at: [<0000000083490e59>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6178 1 lock held by udevd/29113: #0: (&mm->mmap_sem){++++}, at: [<000000009ca30983>] __do_page_fault+0x282/0xbb0 arch/x86/mm/fault.c:1352 2 locks held by udevd/29114: #0: (&p->lock){+.+.}, at: [<0000000057f0105a>] seq_read+0xcd/0x1180 fs/seq_file.c:165 #1: (&mm->mmap_sem){++++}, at: [<000000009ca30983>] __do_page_fault+0x282/0xbb0 arch/x86/mm/fault.c:1352 3 locks held by udevd/29115: [29009] 0 29009 6044 829 16 3 0 -1000 udevd #0: [29010] 0 29010 6044 830 16 3 0 -1000 udevd ( [29011] 0 29011 6014 3919 18 3 0 -1000 blkid &dup_mmap_sem [29012] 0 29012 5620 3521 18 3 0 -1000 blkid ){.+.+}, at: [<00000000c98391ee>] dup_mmap kernel/fork.c:609 [inline] ){.+.+}, at: [<00000000c98391ee>] dup_mm kernel/fork.c:1211 [inline] ){.+.+}, at: [<00000000c98391ee>] copy_mm kernel/fork.c:1266 [inline] ){.+.+}, at: [<00000000c98391ee>] copy_process.part.0+0x1fd6/0x68b0 kernel/fork.c:1789 [29013] 0 29013 5156 3059 17 3 0 -1000 blkid #1: [29014] 0 29014 5886 3787 18 3 0 -1000 blkid ( [29015] 0 29015 5548 3457 17 3 0 -1000 blkid &mm->mmap_sem){++++} [29016] 0 29016 6044 829 16 3 0 -1000 udevd , at: [<00000000690bbfe0>] dup_mmap kernel/fork.c:610 [inline] , at: [<00000000690bbfe0>] dup_mm kernel/fork.c:1211 [inline] , at: [<00000000690bbfe0>] copy_mm kernel/fork.c:1266 [inline] , at: [<00000000690bbfe0>] copy_process.part.0+0x1ff2/0x68b0 kernel/fork.c:1789 #2: [29017] 0 29017 6044 829 16 3 0 -1000 udevd (&mm->mmap_sem/1){+.+.}, at: [<00000000bdefd031>] dup_mmap kernel/fork.c:619 [inline] (&mm->mmap_sem/1){+.+.}, at: [<00000000bdefd031>] dup_mm kernel/fork.c:1211 [inline] (&mm->mmap_sem/1){+.+.}, at: [<00000000bdefd031>] copy_mm kernel/fork.c:1266 [inline] (&mm->mmap_sem/1){+.+.}, at: [<00000000bdefd031>] copy_process.part.0+0x203a/0x68b0 kernel/fork.c:1789 1 lock held by blkid/29118: [29018] 0 29018 6044 830 16 3 0 -1000 udevd #0: ( [29019] 0 29019 6044 830 16 3 0 -1000 udevd &ei->i_mmap_sem){++++}, at: [<0000000083490e59>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6178 1 lock held by blkid/29119: #0: (&mm->mmap_sem){++++}, at: [<0000000026444bb7>] __do_page_fault+0x8a4/0xbb0 arch/x86/mm/fault.c:1359 1 lock held by blkid/29120: #0: (&ei->i_mmap_sem){++++}, at: [<0000000083490e59>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6178 1 lock held by blkid/29127: #0: (&mm->mmap_sem){++++}, at: [<0000000026444bb7>] __do_page_fault+0x8a4/0xbb0 arch/x86/mm/fault.c:1359 1 lock held by blkid/29128: #0: (&mm->mmap_sem){++++}, at: [<000000004123f4b8>] SYSC_mremap mm/mremap.c:552 [inline] #0: (&mm->mmap_sem){++++}, at: [<000000004123f4b8>] SyS_mremap+0x1a8/0xcf3 mm/mremap.c:519 1 lock held by blkid/29130: #0: (&mm->mmap_sem){++++}, at: [<000000009ca30983>] __do_page_fault+0x282/0xbb0 arch/x86/mm/fault.c:1352 1 lock held by udevd/29133: #0: (&ei->i_mmap_sem){++++}, at: [<0000000083490e59>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6178 1 lock held by blkid/29134: #0: (&mm->mmap_sem){++++}, at: [<0000000026444bb7>] __do_page_fault+0x8a4/0xbb0 arch/x86/mm/fault.c:1359 1 lock held by udevd/29141: #0: (&mm->mmap_sem){++++}, at: [<000000009ca30983>] __do_page_fault+0x282/0xbb0 arch/x86/mm/fault.c:1352 1 lock held by udevd/29142: #0: (&ei->i_mmap_sem){++++}, at: [<0000000083490e59>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6178 1 lock held by udevd/29144: #0: (&mm->mmap_sem){++++}, at: [<000000009ca30983>] __do_page_fault+0x282/0xbb0 arch/x86/mm/fault.c:1352 1 lock held by udevd/29145: #0: (&ei->i_mmap_sem){++++}, at: [<0000000083490e59>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6178 1 lock held by syz-executor.0/29151: #0: (&mm->mmap_sem){++++}, at: [<000000009ca30983>] __do_page_fault+0x282/0xbb0 arch/x86/mm/fault.c:1352 1 lock held by udevd/29152: #0: (&mm->mmap_sem){++++}, at: [<000000009ca30983>] __do_page_fault+0x282/0xbb0 arch/x86/mm/fault.c:1352 1 lock held by udevd/29153: #0: (&mm->mmap_sem){++++}, at: [<000000009ca30983>] __do_page_fault+0x282/0xbb0 arch/x86/mm/fault.c:1352 1 lock held by udevd/29155: #0: (&mm->mmap_sem){++++}, at: [<000000009ca30983>] __do_page_fault+0x282/0xbb0 arch/x86/mm/fault.c:1352 1 lock held by udevd/29156: #0: (&mm->mmap_sem){++++}, at: [<000000009ca30983>] __do_page_fault+0x282/0xbb0 arch/x86/mm/fault.c:1352 1 lock held by udevd/29157: #0: (&mm->mmap_sem){++++}, at: [<000000009ca30983>] __do_page_fault+0x282/0xbb0 arch/x86/mm/fault.c:1352 1 lock held by udevd/29158: #0: (&mm->mmap_sem){++++}, at: [<000000009ca30983>] __do_page_fault+0x282/0xbb0 arch/x86/mm/fault.c:1352 1 lock held by udevd/29161: #0: (&mm->mmap_sem){++++}, at: [<000000009ca30983>] __do_page_fault+0x282/0xbb0 arch/x86/mm/fault.c:1352 1 lock held by syz-executor.1/29162: #0: (&ei->i_mmap_sem){++++}, at: [<0000000083490e59>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6178 1 lock held by udevd/29164: #0: (&sig->cred_guard_mutex){+.+.}, at: [<000000007211995b>] prepare_bprm_creds+0x51/0x110 fs/exec.c:1389 ============================================= NMI backtrace for cpu 1 [29020] 0 29020 5276 3193 17 3 0 -1000 blkid CPU: 1 PID: 23 Comm: khungtaskd Not tainted 4.14.134+ #21 [29021] 0 29021 5608 3521 18 3 0 -1000 blkid Call Trace: __dump_stack lib/dump_stack.c:17 [inline] dump_stack+0xca/0x134 lib/dump_stack.c:53 nmi_cpu_backtrace.cold+0x47/0x86 lib/nmi_backtrace.c:101 Sending NMI from CPU 1 to CPUs 0: NMI backtrace for cpu 0 CPU: 0 PID: 29111 Comm: udevd Not tainted 4.14.134+ #21 task: 0000000088ae55a4 task.stack: 00000000e7654b85 RIP: 0010:__lock_acquire+0x257/0x42e0 kernel/locking/lockdep.c:3402 RSP: 0000:ffff8881db8077e0 EFLAGS: 00000807 RAX: 0000000000000006 RBX: 0000000000000000 RCX: 0000000000000000 RDX: 0000000000000001 RSI: ffff88819dba1fb0 RDI: ffffffffb25619d8 RBP: ffff8881db8079a8 R08: 0000000000000000 R09: 0000000000000006 R10: 000000000000001e R11: 0000000000000025 R12: 0000000000000002 R13: 0000000000000001 R14: ffff88819dba1780 R15: ffffffffb14d3d20 FS: 00007f5c4f7047a0(0000) GS:ffff8881db800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f5c4f5029f0 CR3: 00000000486b8004 CR4: 00000000001606b0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600 Call Trace: lock_acquire+0x12b/0x360 kernel/locking/lockdep.c:3991 rcu_lock_acquire include/linux/rcupdate.h:242 [inline] rcu_read_lock include/linux/rcupdate.h:629 [inline] set_cpu_sd_state_busy kernel/sched/fair.c:10987 [inline] nohz_kick_needed kernel/sched/fair.c:11290 [inline] select_task_rq_fair+0xf23/0x74a0 kernel/sched/fair.c:8063 select_task_rq kernel/sched/core.c:1578 [inline] try_to_wake_up+0x58e/0x1290 kernel/sched/core.c:2113 call_timer_fn+0x15b/0x6a0 kernel/time/timer.c:1279 expire_timers+0x227/0x4c0 kernel/time/timer.c:1318 __run_timers kernel/time/timer.c:1634 [inline] run_timer_softirq+0x1eb/0x5d0 kernel/time/timer.c:1647 __do_softirq+0x234/0x9ec kernel/softirq.c:288 invoke_softirq kernel/softirq.c:368 [inline] irq_exit+0x114/0x150 kernel/softirq.c:409 exiting_irq arch/x86/include/asm/apic.h:648 [inline] smp_apic_timer_interrupt+0x1a7/0x650 arch/x86/kernel/apic/apic.c:1064 apic_timer_interrupt+0x84/0x90 arch/x86/entry/entry_64.S:789 RIP: 0010:arch_local_irq_restore arch/x86/include/asm/paravirt.h:778 [inline] RIP: 0010:console_trylock_spinning kernel/printk/printk.c:1679 [inline] RIP: 0010:vprintk_emit+0x302/0x330 kernel/printk/printk.c:1916 RSP: 0000:ffff8880486b7638 EFLAGS: 00000297 ORIG_RAX: ffffffffffffff10 RAX: 0000000000000007 RBX: 0000000000000297 RCX: 1ffff11033b74409 RDX: 0000000000000000 RSI: ffff88819dba2028 RDI: 0000000000000297 RBP: ffff8880486b7670 R08: 0000000000000001 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000052 R13: 0000000000000000 R14: ffff8880486b76c8 R15: ffff8881daae4680 vprintk_func+0x58/0x152 kernel/printk/printk_safe.c:401 printk+0xba/0xed kernel/printk/printk.c:1990 dump_tasks mm/oom_kill.c:396 [inline] dump_header+0x7ab/0x848 mm/oom_kill.c:428 oom_kill_process.cold+0x10/0xde6 mm/oom_kill.c:861 Code: 00 49 8d b6 30 08 00 00 48 2d 60 e9 55 b2 48 c1 f8 04 48 89 b4 24 88 00 00 00 69 c0 3d cf f3 3c 44 8d 58 01 44 89 c8 4c 8d 14 80 <49> c1 e2 03 45 85 c9 74 49 4a 8d 44 16 d8 48 b9 00 00 00 00 00