[ 7659] 0 7659 3936 1856 12 3 0 -1000 blkid [ 7660] 0 7660 4106 2055 15 3 0 -1000 blkid [ 7663] 0 7663 4056 1989 13 3 0 -1000 blkid INFO: task syz-executor.3:31507 blocked for more than 140 seconds. Not tainted 4.14.149+ #0 [ 7669] 0 7669 3756 1720 15 3 0 -1000 blkid [ 7671] 0 7671 5533 308 16 3 0 -1000 udevd "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 7673] 0 7673 5533 308 16 3 0 -1000 udevd syz-executor.3 D [ 7674] 0 7674 5533 308 16 3 0 -1000 udevd [ 7675] 0 7675 3970 1924 14 3 0 -1000 blkid 25312 31507 31506 0x00000000 [ 7676] 0 7676 3838 1790 14 3 0 -1000 blkid Call Trace: [ 7678] 0 7678 3738 1658 14 3 0 -1000 blkid [ 7680] 0 7680 3472 1393 12 3 0 -1000 blkid [ 7681] 0 7681 5533 309 16 3 0 -1000 udevd [ 7682] 0 7682 5533 309 16 3 0 -1000 udevd [ 7683] 0 7683 5533 309 16 3 0 -1000 udevd schedule+0x92/0x1c0 kernel/sched/core.c:3498 [ 7685] 0 7685 3454 1394 13 3 0 -1000 blkid [ 7686] 0 7686 3158 1066 13 3 0 -1000 blkid [ 7687] 0 7687 5533 308 16 3 0 -1000 udevd [ 7688] 0 7688 5533 309 16 3 0 -1000 udevd [ 7689] 0 7689 5533 309 16 3 0 -1000 udevd [ 7690] 0 7690 5533 309 16 3 0 -1000 udevd [ 7702] 0 7702 3246 1196 13 3 0 -1000 blkid [ 7703] 0 7703 2924 886 12 3 0 -1000 blkid [ 7704] 0 7704 2812 760 12 3 0 -1000 blkid [ 7705] 0 7705 2920 825 11 3 0 -1000 blkid [ 7707] 0 7707 3008 959 12 3 0 -1000 blkid [ 7710] 0 7710 2578 542 12 3 0 -1000 blkid [ 7711] 0 7711 5533 308 16 3 0 -1000 udevd [ 7712] 0 7712 5533 308 16 3 0 -1000 udevd [ 7713] 0 7713 5533 309 16 3 0 -1000 udevd [ 7714] 0 7714 5533 309 16 3 0 -1000 udevd [ 7715] 0 7715 2478 443 11 3 0 -1000 blkid [ 7728] 0 7728 5533 309 16 3 0 -1000 udevd [ 7729] 0 7729 5533 310 16 3 0 -1000 udevd schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:3556 [ 7730] 0 7730 18276 8722 27 4 0 0 syz-executor.2 [ 7734] 0 7734 2424 388 10 3 0 -1000 blkid __mutex_lock_common kernel/locking/mutex.c:833 [inline] __mutex_lock+0x595/0x13e0 kernel/locking/mutex.c:893 [ 7735] 0 7735 5533 309 16 3 0 -1000 udevd [ 7736] 0 7736 5533 310 16 3 0 -1000 udevd [ 7737] 0 7737 2374 336 12 3 0 -1000 blkid [ 7738] 0 7738 2444 409 10 3 0 -1000 blkid [ 7740] 0 7740 2388 352 9 3 0 -1000 blkid [ 7742] 0 7742 2568 531 10 3 0 -1000 blkid [ 7745] 0 7745 5533 310 16 3 0 -1000 udevd [ 7746] 0 7746 5533 309 16 3 0 -1000 udevd [ 7747] 0 7747 5533 309 16 3 0 -1000 udevd [ 7752] 0 7752 18177 8487 25 4 0 1000 syz-executor.1 [ 7754] 0 7754 5533 310 15 3 0 -1000 udevd [ 7755] 0 7755 5533 310 14 3 0 -1000 udevd [ 7756] 0 7756 42 1 1 2 0 -1000 blkid [ 7758] 0 7758 55 1 1 2 0 0 modprobe [ 7760] 0 7760 5533 310 14 3 0 -1000 udevd [ 7761] 0 7761 5534 308 14 3 0 -1000 udevd [ 7763] 0 7763 5533 310 14 3 0 -1000 udevd Out of memory: Kill process 1470 (syz-executor.5) score 1004 or sacrifice child xt_find_table_lock+0x35/0x3d0 net/netfilter/x_tables.c:1092 get_info+0x10d/0x570 net/ipv6/netfilter/ip6_tables.c:983 do_ipt_get_ctl+0x136/0x790 net/ipv4/netfilter/ip_tables.c:1698 nf_sockopt net/netfilter/nf_sockopt.c:104 [inline] nf_getsockopt+0x68/0xc0 net/netfilter/nf_sockopt.c:122 ip_getsockopt net/ipv4/ip_sockglue.c:1566 [inline] ip_getsockopt+0x118/0x160 net/ipv4/ip_sockglue.c:1551 tcp_getsockopt net/ipv4/tcp.c:3249 [inline] tcp_getsockopt+0x81/0xc0 net/ipv4/tcp.c:3243 SYSC_getsockopt net/socket.c:1896 [inline] SyS_getsockopt+0x11d/0x1f0 net/socket.c:1878 do_syscall_64+0x19b/0x520 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x42/0xb7 RIP: 0033:0x45c56a RSP: 002b:00007ffc76229118 EFLAGS: 00000246 ORIG_RAX: 0000000000000037 RAX: ffffffffffffffda RBX: 00007ffc76229140 RCX: 000000000045c56a RDX: 0000000000000040 RSI: 0000000000000000 RDI: 0000000000000003 RBP: 0000000000715e80 R08: 00007ffc7622913c R09: 0000000000004000 R10: 00007ffc76229140 R11: 0000000000000246 R12: 0000000000000003 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000713cc0 INFO: task syz-executor.4:20636 blocked for more than 140 seconds. Killed process 1470 (syz-executor.5) total-vm:72708kB, anon-rss:176kB, file-rss:34816kB, shmem-rss:0kB Not tainted 4.14.149+ #0 oom_reaper: reaped process 1470 (syz-executor.5), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. blkid invoked oom-killer: gfp_mask=0x14280ca(GFP_HIGHUSER_MOVABLE|__GFP_ZERO), nodemask= syz-executor.4 D (null) 25312 20636 20635 0x00000000 Call Trace: 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 xt_find_table_lock+0x35/0x3d0 net/netfilter/x_tables.c:1092 get_info+0x10d/0x570 net/ipv6/netfilter/ip6_tables.c:983 do_ipt_get_ctl+0x136/0x790 net/ipv4/netfilter/ip_tables.c:1698 nf_sockopt net/netfilter/nf_sockopt.c:104 [inline] nf_getsockopt+0x68/0xc0 net/netfilter/nf_sockopt.c:122 ip_getsockopt net/ipv4/ip_sockglue.c:1566 [inline] ip_getsockopt+0x118/0x160 net/ipv4/ip_sockglue.c:1551 tcp_getsockopt net/ipv4/tcp.c:3249 [inline] tcp_getsockopt+0x81/0xc0 net/ipv4/tcp.c:3243 SYSC_getsockopt net/socket.c:1896 [inline] SyS_getsockopt+0x11d/0x1f0 net/socket.c:1878 , order=0, oom_score_adj=-1000 do_syscall_64+0x19b/0x520 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x42/0xb7 RIP: 0033:0x45c56a RSP: 002b:00007ffd65396e98 EFLAGS: 00000246 ORIG_RAX: 0000000000000037 CPU: 1 PID: 7470 Comm: blkid Not tainted 4.14.149+ #0 RAX: ffffffffffffffda RBX: 00007ffd65396ec0 RCX: 000000000045c56a Call Trace: RDX: 0000000000000040 RSI: 0000000000000000 RDI: 0000000000000003 __dump_stack lib/dump_stack.c:17 [inline] dump_stack+0xca/0x134 lib/dump_stack.c:53 RBP: 0000000000715e80 R08: 00007ffd65396ebc R09: 0000000000004000 dump_header+0x16f/0x848 mm/oom_kill.c:422 R10: 00007ffd65396ec0 R11: 0000000000000246 R12: 0000000000000003 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000713cc0 Showing all locks held in the system: oom_kill_process.cold+0x10/0xde6 mm/oom_kill.c:861 1 lock held by init/1: out_of_memory mm/oom_kill.c:1084 [inline] out_of_memory+0x2d2/0xab0 mm/oom_kill.c:1023 __alloc_pages_may_oom mm/page_alloc.c:3415 [inline] __alloc_pages_slowpath mm/page_alloc.c:4112 [inline] __alloc_pages_nodemask+0x1988/0x2370 mm/page_alloc.c:4277 __alloc_pages include/linux/gfp.h:461 [inline] __alloc_pages_node include/linux/gfp.h:474 [inline] alloc_pages_node include/linux/gfp.h:488 [inline] alloc_zeroed_user_highpage_movable include/linux/highmem.h:184 [inline] do_anonymous_page mm/memory.c:3133 [inline] handle_pte_fault mm/memory.c:3987 [inline] __handle_mm_fault+0x1116/0x2700 mm/memory.c:4113 handle_mm_fault+0x2f1/0x6da mm/memory.c:4150 #0: __do_page_fault+0x477/0xbb0 arch/x86/mm/fault.c:1420 ( &ei->i_mmap_sem ){++++} , at: [<00000000dfaf6017>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6232 1 lock held by khungtaskd/23: page_fault+0x42/0x50 arch/x86/entry/entry_64.S:1122 RIP: 07ff:0x646320 RSP: c02fcf10:0000000000645eb0 EFLAGS: 0000000a Mem-Info: #0: active_anon:1408729 inactive_anon:64426 isolated_anon:0 active_file:14 inactive_file:30 isolated_file:6 unevictable:0 dirty:0 writeback:0 unstable:0 slab_reclaimable:8918 slab_unreclaimable:67451 mapped:63722 shmem:11910 pagetables:14055 bounce:0 free:5919 free_pcp:0 free_cma:0 Node 0 active_anon:5634916kB inactive_anon:257704kB active_file:56kB inactive_file:120kB unevictable:0kB isolated(anon):0kB isolated(file):24kB mapped:254888kB dirty:0kB writeback:0kB shmem:47640kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes DMA32 free:18284kB min:4792kB low:7868kB high:10944kB active_anon:3020964kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3145324kB managed:3079672kB mlocked:0kB kernel_stack:3616kB pagetables:14700kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB ( lowmem_reserve[]: 0 3437 3437 Normal free:5392kB min:5480kB low:9000kB high:12520kB active_anon:2613952kB inactive_anon:257704kB active_file:0kB inactive_file:120kB unevictable:0kB writepending:0kB present:4718592kB managed:3521568kB mlocked:0kB kernel_stack:18560kB pagetables:41520kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 0 0 DMA32: 215*4kB (UM) 62*8kB (UM) 12*16kB (UE) 11*32kB (UME) 2*64kB (ME) 1*128kB (M) 1*256kB (U) 3*512kB (UME) 2*1024kB (UM) 2*2048kB (UE) 2*4096kB (M) tasklist_lock = 18284kB ){.+.+} Normal: 181*4kB , at: [<000000008d77bd3f>] debug_show_all_locks+0x7c/0x21a kernel/locking/lockdep.c:4544 1 lock held by udevd/190: #0: (&mm->mmap_sem){++++}, at: [<0000000099626bbd>] __do_page_fault+0x282/0xbb0 arch/x86/mm/fault.c:1349 1 lock held by rsyslogd/1631: #0: (&ei->i_mmap_sem){++++}, at: [<00000000dfaf6017>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6232 1 lock held by cron/1674: #0: (&ei->i_mmap_sem){++++}, at: [<00000000dfaf6017>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6232 2 locks held by getty/1759: #0: (&tty->ldisc_sem){++++}, at: [<00000000fcb23bd9>] tty_ldisc_ref_wait+0x22/0x80 drivers/tty/tty_ldisc.c:284 #1: (&ldata->atomic_read_lock){+.+.}, at: [<00000000cb865cb4>] n_tty_read+0x1f7/0x1700 drivers/tty/n_tty.c:2156 1 lock held by syz-fuzzer/1778: #0: (&ei->i_mmap_sem){++++}, at: [<00000000dfaf6017>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6232 1 lock held by syz-fuzzer/16465: #0: (&mm->mmap_sem){++++}, at: [<0000000099626bbd>] __do_page_fault+0x282/0xbb0 arch/x86/mm/fault.c:1349 2 locks held by kworker/u4:17/18626: (UM) #0: 13*8kB ("events_unbound" (UM) ){+.+.} 2*16kB , at: [<00000000e76e80a9>] process_one_work+0x6ff/0x1580 kernel/workqueue.c:2105 #1: ((&sub_info->work)){+.+.}, at: [<0000000099c33c47>] process_one_work+0x735/0x1580 kernel/workqueue.c:2109 2 locks held by kworker/u4:24/18645: #0: ("events_unbound"){+.+.}, at: [<00000000e76e80a9>] process_one_work+0x6ff/0x1580 kernel/workqueue.c:2105 #1: ((&sub_info->work)){+.+.}, at: [<0000000099c33c47>] process_one_work+0x735/0x1580 kernel/workqueue.c:2109 1 lock held by syz-executor.0/29156: #0: (&ei->i_mmap_sem){++++}, at: [<00000000dfaf6017>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6232 1 lock held by syz-executor.3/31507: #0: (&xt[i].mutex){+.+.}, at: [<000000006c237591>] xt_find_table_lock+0x35/0x3d0 net/netfilter/x_tables.c:1092 1 lock held by syz-executor.4/20636: #0: (&xt[i].mutex){+.+.}, at: [<000000006c237591>] xt_find_table_lock+0x35/0x3d0 net/netfilter/x_tables.c:1092 1 lock held by udevd/28737: #0: (&ei->i_mmap_sem){++++}, at: [<00000000dfaf6017>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6232 1 lock held by syz-executor.1/6844: #0: (&ei->i_mmap_sem){++++}, at: [<00000000dfaf6017>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6232 1 lock held by udevd/7074: #0: (&ei->i_mmap_sem){++++}, at: [<00000000dfaf6017>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6232 1 lock held by udevd/7075: #0: (&ei->i_mmap_sem){++++}, at: [<00000000dfaf6017>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6232 1 lock held by udevd/7274: #0: (&ei->i_mmap_sem){++++}, at: [<00000000dfaf6017>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6232 1 lock held by blkid/7275: #0: (&mm->mmap_sem){++++}, at: [<0000000099626bbd>] __do_page_fault+0x282/0xbb0 arch/x86/mm/fault.c:1349 1 lock held by udevd/7276: #0: (&ei->i_mmap_sem){++++}, at: [<00000000dfaf6017>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6232 1 lock held by udevd/7277: #0: (&ei->i_mmap_sem){++++}, at: [<00000000dfaf6017>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6232 1 lock held by blkid/7278: #0: (&mm->mmap_sem){++++}, at: [<0000000099626bbd>] __do_page_fault+0x282/0xbb0 arch/x86/mm/fault.c:1349 1 lock held by udevd/7280: #0: (&ei->i_mmap_sem){++++}, at: [<00000000dfaf6017>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6232 1 lock held by blkid/7281: #0: (&mm->mmap_sem){++++}, at: [<0000000099626bbd>] __do_page_fault+0x282/0xbb0 arch/x86/mm/fault.c:1349 1 lock held by udevd/7282: #0: (&ei->i_mmap_sem){++++}, at: [<00000000dfaf6017>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6232 1 lock held by blkid/7289: #0: (&mm->mmap_sem){++++}, at: [<0000000099626bbd>] __do_page_fault+0x282/0xbb0 arch/x86/mm/fault.c:1349 1 lock held by blkid/7290: #0: (&mm->mmap_sem){++++}, at: [<0000000099626bbd>] __do_page_fault+0x282/0xbb0 arch/x86/mm/fault.c:1349 1 lock held by udevd/7292: #0: (&ei->i_mmap_sem){++++}, at: [<00000000dfaf6017>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6232 1 lock held by udevd/7295: #0: (&ei->i_mmap_sem){++++}, at: [<00000000dfaf6017>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6232 1 lock held by blkid/7297: #0: (&mm->mmap_sem){++++}, at: [<0000000099626bbd>] __do_page_fault+0x282/0xbb0 arch/x86/mm/fault.c:1349 1 lock held by udevd/7300: #0: (&ei->i_mmap_sem){++++}, at: [<00000000dfaf6017>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6232 1 lock held by blkid/7305: #0: (&mm->mmap_sem){++++}, at: [<0000000099626bbd>] __do_page_fault+0x282/0xbb0 arch/x86/mm/fault.c:1349 1 lock held by blkid/7307: #0: (&mm->mmap_sem){++++}, at: [<0000000099626bbd>] __do_page_fault+0x282/0xbb0 arch/x86/mm/fault.c:1349 1 lock held by blkid/7311: #0: (&mm->mmap_sem){++++}, at: [<0000000099626bbd>] __do_page_fault+0x282/0xbb0 arch/x86/mm/fault.c:1349 1 lock held by blkid/7322: #0: (&mm->mmap_sem){++++}, at: [<0000000099626bbd>] __do_page_fault+0x282/0xbb0 arch/x86/mm/fault.c:1349 1 lock held by udevd/7334: #0: (&ei->i_mmap_sem){++++}, at: [<00000000dfaf6017>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6232 1 lock held by udevd/7335: #0: (&ei->i_mmap_sem){++++}, at: [<00000000dfaf6017>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6232 1 lock held by blkid/7339: #0: (&mm->mmap_sem){++++}, at: [<0000000099626bbd>] __do_page_fault+0x282/0xbb0 arch/x86/mm/fault.c:1349 1 lock held by blkid/7341: #0: (&mm->mmap_sem){++++}, at: [<0000000099626bbd>] __do_page_fault+0x282/0xbb0 arch/x86/mm/fault.c:1349 1 lock held by blkid/7343: #0: (&mm->mmap_sem){++++}, at: [<0000000099626bbd>] __do_page_fault+0x282/0xbb0 arch/x86/mm/fault.c:1349 1 lock held by udevd/7345: #0: (&ei->i_mmap_sem){++++}, at: [<00000000dfaf6017>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6232 1 lock held by blkid/7346: #0: (&mm->mmap_sem){++++}, at: [<0000000099626bbd>] __do_page_fault+0x282/0xbb0 arch/x86/mm/fault.c:1349 1 lock held by udevd/7348: #0: (&ei->i_mmap_sem){++++}, at: [<00000000dfaf6017>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6232 1 lock held by blkid/7353: #0: (&ei->i_mmap_sem){++++}, at: [<00000000dfaf6017>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6232 1 lock held by udevd/7362: #0: (&ei->i_mmap_sem){++++}, at: [<00000000dfaf6017>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6232 1 lock held by udevd/7371: #0: (&ei->i_mmap_sem){++++}, at: [<00000000dfaf6017>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6232 1 lock held by blkid/7378: #0: (&mm->mmap_sem){++++}, at: [<0000000099626bbd>] __do_page_fault+0x282/0xbb0 arch/x86/mm/fault.c:1349 1 lock held by udevd/7385: #0: (&ei->i_mmap_sem){++++}, at: [<00000000dfaf6017>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6232 1 lock held by udevd/7391: #0: (&ei->i_mmap_sem){++++}, at: [<00000000dfaf6017>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6232 1 lock held by blkid/7393: #0: (&mm->mmap_sem){++++}, at: [<0000000099626bbd>] __do_page_fault+0x282/0xbb0 arch/x86/mm/fault.c:1349 1 lock held by udevd/7395: #0: (&ei->i_mmap_sem){++++}, at: [<00000000dfaf6017>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6232 1 lock held by blkid/7397: #0: (&ei->i_mmap_sem){++++}, at: [<00000000dfaf6017>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6232 1 lock held by blkid/7401: #0: (&mm->mmap_sem){++++}, at: [<0000000099626bbd>] __do_page_fault+0x282/0xbb0 arch/x86/mm/fault.c:1349 1 lock held by blkid/7403: #0: (&mm->mmap_sem){++++} (UM) , at: [<0000000099626bbd>] __do_page_fault+0x282/0xbb0 arch/x86/mm/fault.c:1349 1 lock held by blkid/7405: #0: (&mm->mmap_sem){++++}, at: [<0000000099626bbd>] __do_page_fault+0x282/0xbb0 arch/x86/mm/fault.c:1349 1 lock held by udevd/7407: #0: (&ei->i_mmap_sem){++++}, at: [<00000000dfaf6017>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6232 1 lock held by udevd/7408: #0: (&ei->i_mmap_sem){++++}, at: [<00000000dfaf6017>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6232 1 lock held by blkid/7412: #0: (&mm->mmap_sem){++++}, at: [<0000000099626bbd>] __do_page_fault+0x282/0xbb0 arch/x86/mm/fault.c:1349 1 lock held by udevd/7415: #0: (&ei->i_mmap_sem){++++}, at: [<00000000dfaf6017>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6232 1 lock held by blkid/7418: #0: (&mm->mmap_sem){++++}, at: [<0000000099626bbd>] __do_page_fault+0x282/0xbb0 arch/x86/mm/fault.c:1349 1 lock held by blkid/7419: #0: (&mm->mmap_sem){++++}, at: [<0000000099626bbd>] __do_page_fault+0x282/0xbb0 arch/x86/mm/fault.c:1349 1 lock held by udevd/7420: #0: (&ei->i_mmap_sem){++++}, at: [<00000000dfaf6017>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6232 1 lock held by blkid/7422: #0: (&mm->mmap_sem){++++}, at: [<0000000099626bbd>] __do_page_fault+0x282/0xbb0 arch/x86/mm/fault.c:1349 1 lock held by udevd/7423: #0: (&ei->i_mmap_sem){++++}, at: [<00000000dfaf6017>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6232 1 lock held by blkid/7424: #0: (&mm->mmap_sem){++++}, at: [<0000000099626bbd>] __do_page_fault+0x282/0xbb0 arch/x86/mm/fault.c:1349 1 lock held by blkid/7426: #0: (&ei->i_mmap_sem){++++}, at: [<00000000dfaf6017>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6232 1 lock held by udevd/7427: #0: (&ei->i_mmap_sem){++++}, at: [<00000000dfaf6017>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6232 1 lock held by udevd/7430: #0: (&ei->i_mmap_sem){++++}, at: [<00000000dfaf6017>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6232 1 lock held by udevd/7431: #0: (&ei->i_mmap_sem){++++}, at: [<00000000dfaf6017>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6232 1 lock held by udevd/7432: #0: (&ei->i_mmap_sem){++++}, at: [<00000000dfaf6017>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6232 1 lock held by blkid/7434: #0: (&mm->mmap_sem){++++}, at: [<0000000099626bbd>] __do_page_fault+0x282/0xbb0 arch/x86/mm/fault.c:1349 1 lock held by blkid/7438: #0: (&mm->mmap_sem){++++}, at: [<0000000099626bbd>] __do_page_fault+0x282/0xbb0 arch/x86/mm/fault.c:1349 1 lock held by udevd/7440: #0: (&ei->i_mmap_sem){++++}, at: [<00000000dfaf6017>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6232 1 lock held by blkid/7443: #0: (&mm->mmap_sem){++++}, at: [<0000000099626bbd>] __do_page_fault+0x282/0xbb0 arch/x86/mm/fault.c:1349 1 lock held by blkid/7447: #0: (&mm->mmap_sem){++++}, at: [<0000000099626bbd>] __do_page_fault+0x282/0xbb0 arch/x86/mm/fault.c:1349 1 lock held by udevd/7448: #0: (&ei->i_mmap_sem){++++}, at: [<00000000dfaf6017>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6232 1 lock held by udevd/7449: #0: (&ei->i_mmap_sem){++++}, at: [<00000000dfaf6017>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6232 1 lock held by blkid/7451: #0: (&mm->mmap_sem){++++}, at: [<0000000099626bbd>] __do_page_fault+0x282/0xbb0 arch/x86/mm/fault.c:1349 1 lock held by udevd/7456: #0: (&ei->i_mmap_sem){++++}, at: [<00000000dfaf6017>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6232 1 lock held by blkid/7458: 26*32kB #0: (UM) ( 61*64kB &ei->i_mmap_sem (UE) ){++++}, at: [<00000000dfaf6017>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6232 1 lock held by blkid/7462: 0*128kB #0: (&mm->mmap_sem){++++}, at: [<0000000099626bbd>] __do_page_fault+0x282/0xbb0 arch/x86/mm/fault.c:1349 1 lock held by blkid/7464: #0: (&ei->i_mmap_sem){++++}, at: [<00000000dfaf6017>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6232 1 lock held by udevd/7465: #0: (&ei->i_mmap_sem){++++}, at: [<00000000dfaf6017>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6232 1 lock held by udevd/7466: #0: (&ei->i_mmap_sem){++++}, at: [<00000000dfaf6017>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6232 1 lock held by blkid/7467: #0: (&mm->mmap_sem){++++}, at: [<0000000099626bbd>] __do_page_fault+0x282/0xbb0 arch/x86/mm/fault.c:1349 1 lock held by blkid/7472: #0: (&mm->mmap_sem){++++}, at: [<0000000099626bbd>] __do_page_fault+0x282/0xbb0 arch/x86/mm/fault.c:1349 1 lock held by udevd/7477: #0: (&ei->i_mmap_sem){++++}, at: [<00000000dfaf6017>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6232 1 lock held by udevd/7478: #0: (&ei->i_mmap_sem){++++}, at: [<00000000dfaf6017>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6232 1 lock held by blkid/7480: #0: (&mm->mmap_sem){++++}, at: [<0000000099626bbd>] __do_page_fault+0x282/0xbb0 arch/x86/mm/fault.c:1349 1 lock held by udevd/7481: #0: (&ei->i_mmap_sem){++++}, at: [<00000000dfaf6017>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6232 1 lock held by blkid/7485: #0: (&mm->mmap_sem){++++}, at: [<0000000099626bbd>] __do_page_fault+0x282/0xbb0 arch/x86/mm/fault.c:1349 1 lock held by blkid/7486: #0: (&mm->mmap_sem){++++}, at: [<0000000099626bbd>] __do_page_fault+0x282/0xbb0 arch/x86/mm/fault.c:1349 1 lock held by blkid/7488: #0: (&ei->i_mmap_sem){++++}, at: [<00000000dfaf6017>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6232 1 lock held by blkid/7490: #0: (&mm->mmap_sem){++++}, at: [<0000000099626bbd>] __do_page_fault+0x282/0xbb0 arch/x86/mm/fault.c:1349 1 lock held by udevd/7493: #0: (&ei->i_mmap_sem){++++}, at: [<00000000dfaf6017>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6232 1 lock held by udevd/7494: #0: (&ei->i_mmap_sem){++++}, at: [<00000000dfaf6017>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6232 1 lock held by udevd/7496: #0: (&ei->i_mmap_sem){++++}, at: [<00000000dfaf6017>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6232 1 lock held by blkid/7497: #0: (&mm->mmap_sem){++++}, at: [<0000000099626bbd>] __do_page_fault+0x282/0xbb0 arch/x86/mm/fault.c:1349 1 lock held by blkid/7500: #0: (&ei->i_mmap_sem){++++}, at: [<00000000dfaf6017>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6232 1 lock held by udevd/7502: #0: (&ei->i_mmap_sem){++++}, at: [<00000000dfaf6017>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6232 1 lock held by udevd/7509: #0: (&ei->i_mmap_sem){++++}, at: [<00000000dfaf6017>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6232 1 lock held by udevd/7510: #0: (&ei->i_mmap_sem){++++}, at: [<00000000dfaf6017>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6232 1 lock held by blkid/7511: #0: (&mm->mmap_sem){++++}, at: [<0000000099626bbd>] __do_page_fault+0x282/0xbb0 arch/x86/mm/fault.c:1349 1 lock held by blkid/7513: #0: (&mm->mmap_sem){++++}, at: [<0000000099626bbd>] __do_page_fault+0x282/0xbb0 arch/x86/mm/fault.c:1349 1 lock held by udevd/7515: #0: (&ei->i_mmap_sem){++++}, at: [<00000000dfaf6017>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6232 1 lock held by udevd/7518: #0: (&ei->i_mmap_sem){++++}, at: [<00000000dfaf6017>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6232 1 lock held by blkid/7519: #0: (&mm->mmap_sem){++++}, at: [<0000000099626bbd>] __do_page_fault+0x282/0xbb0 arch/x86/mm/fault.c:1349 1 lock held by udevd/7521: #0: (&ei->i_mmap_sem){++++}, at: [<00000000dfaf6017>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6232 1 lock held by udevd/7522: #0: (&ei->i_mmap_sem){++++}, at: [<00000000dfaf6017>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6232 1 lock held by blkid/7523: #0: (&mm->mmap_sem){++++}, at: [<0000000099626bbd>] __do_page_fault+0x282/0xbb0 arch/x86/mm/fault.c:1349 1 lock held by blkid/7531: #0: (&mm->mmap_sem){++++}, at: [<0000000099626bbd>] __do_page_fault+0x282/0xbb0 arch/x86/mm/fault.c:1349 1 lock held by blkid/7532: #0: (&mm->mmap_sem){++++}, at: [<0000000099626bbd>] __do_page_fault+0x282/0xbb0 arch/x86/mm/fault.c:1349 1 lock held by udevd/7533: #0: (&ei->i_mmap_sem){++++}, at: [<00000000dfaf6017>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6232 1 lock held by udevd/7534: #0: (&ei->i_mmap_sem){++++}, at: [<00000000dfaf6017>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6232 1 lock held by blkid/7536: #0: (&mm->mmap_sem){++++}, at: [<0000000099626bbd>] __do_page_fault+0x282/0xbb0 arch/x86/mm/fault.c:1349 1 lock held by udevd/7537: #0: (&ei->i_mmap_sem){++++}, at: [<00000000dfaf6017>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6232 1 lock held by udevd/7539: #0: (&ei->i_mmap_sem){++++}, at: [<00000000dfaf6017>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6232 1 lock held by blkid/7544: #0: (&mm->mmap_sem){++++}, at: [<0000000099626bbd>] __do_page_fault+0x282/0xbb0 arch/x86/mm/fault.c:1349 1 lock held by blkid/7547: #0: (&mm->mmap_sem){++++}, at: [<0000000099626bbd>] __do_page_fault+0x282/0xbb0 arch/x86/mm/fault.c:1349 1 lock held by blkid/7548: #0: (&mm->mmap_sem){++++}, at: [<0000000099626bbd>] __do_page_fault+0x282/0xbb0 arch/x86/mm/fault.c:1349 1 lock held by udevd/7551: #0: (&ei->i_mmap_sem){++++}, at: [<00000000dfaf6017>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6232 1 lock held by blkid/7552: #0: (&mm->mmap_sem){++++}, at: [<0000000099626bbd>] __do_page_fault+0x282/0xbb0 arch/x86/mm/fault.c:1349 1 lock held by udevd/7553: #0: (&ei->i_mmap_sem){++++}, at: [<00000000dfaf6017>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6232 1 lock held by udevd/7555: #0: (&ei->i_mmap_sem){++++}, at: [<00000000dfaf6017>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6232 1 lock held by udevd/7556: #0: (&ei->i_mmap_sem){++++}, at: [<00000000dfaf6017>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6232 1 lock held by blkid/7559: #0: (&mm->mmap_sem){++++}, at: [<0000000099626bbd>] __do_page_fault+0x282/0xbb0 arch/x86/mm/fault.c:1349 1 lock held by blkid/7560: #0: (&mm->mmap_sem){++++}, at: [<0000000099626bbd>] __do_page_fault+0x282/0xbb0 arch/x86/mm/fault.c:1349 1 lock held by blkid/7563: #0: (&mm->mmap_sem){++++}, at: [<0000000099626bbd>] __do_page_fault+0x282/0xbb0 arch/x86/mm/fault.c:1349 1 lock held by udevd/7564: #0: (&ei->i_mmap_sem){++++}, at: [<00000000dfaf6017>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6232 1 lock held by udevd/7566: #0: (&ei->i_mmap_sem){++++}, at: [<00000000dfaf6017>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6232 1 lock held by udevd/7567: #0: (&ei->i_mmap_sem){++++}, at: [<00000000dfaf6017>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6232 1 lock held by udevd/7568: #0: (&ei->i_mmap_sem){++++}, at: [<00000000dfaf6017>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6232 1 lock held by blkid/7574: #0: (&mm->mmap_sem){++++}, at: [<0000000099626bbd>] __do_page_fault+0x282/0xbb0 arch/x86/mm/fault.c:1349 1 lock held by blkid/7575: #0: (&mm->mmap_sem){++++}, at: [<0000000099626bbd>] __do_page_fault+0x282/0xbb0 arch/x86/mm/fault.c:1349 1 lock held by blkid/7577: #0: (&mm->mmap_sem){++++}, at: [<0000000099626bbd>] __do_page_fault+0x282/0xbb0 arch/x86/mm/fault.c:1349 1 lock held by blkid/7580: #0: (&ei->i_mmap_sem){++++}, at: [<00000000dfaf6017>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6232 2 locks held by udevd/7585: #0: (&mm->mmap_sem){++++}, at: [<0000000099626bbd>] __do_page_fault+0x282/0xbb0 arch/x86/mm/fault.c:1349 #1: (&ei->i_mmap_sem){++++}, at: [<00000000dfaf6017>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6232 2 locks held by udevd/7589: #0: (&mm->mmap_sem){++++}, at: [<0000000099626bbd>] __do_page_fault+0x282/0xbb0 arch/x86/mm/fault.c:1349 #1: (&ei->i_mmap_sem){++++}, at: [<00000000dfaf6017>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6232 1 lock held by blkid/7603: #0: (&ei->i_mmap_sem){++++}, at: [<00000000dfaf6017>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6232 2 locks held by udevd/7607: #0: (&mm->mmap_sem){++++}, at: [<0000000099626bbd>] __do_page_fault+0x282/0xbb0 arch/x86/mm/fault.c:1349 #1: (&ei->i_mmap_sem){++++}, at: [<00000000dfaf6017>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6232 1 lock held by udevd/7608: #0: (&ei->i_mmap_sem){++++}, at: [<00000000dfaf6017>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6232 1 lock held by blkid/7620: #0: (&ei->i_mmap_sem){++++}, at: [<00000000dfaf6017>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6232 2 locks held by udevd/7621: #0: (&mm->mmap_sem){++++}, at: [<0000000099626bbd>] __do_page_fault+0x282/0xbb0 arch/x86/mm/fault.c:1349 #1: (&ei->i_mmap_sem){++++}, at: [<00000000dfaf6017>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6232 2 locks held by udevd/7622: #0: (&mm->mmap_sem){++++}, at: [<0000000099626bbd>] __do_page_fault+0x282/0xbb0 arch/x86/mm/fault.c:1349 #1: (&ei->i_mmap_sem){++++}, at: [<00000000dfaf6017>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6232 2 locks held by udevd/7624: #0: (&mm->mmap_sem){++++}, at: [<0000000099626bbd>] __do_page_fault+0x282/0xbb0 arch/x86/mm/fault.c:1349 #1: (&ei->i_mmap_sem){++++}, at: [<00000000dfaf6017>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6232 1 lock held by blkid/7627: #0: (&mm->mmap_sem){++++}, at: [<0000000099626bbd>] __do_page_fault+0x282/0xbb0 arch/x86/mm/fault.c:1349 2 locks held by udevd/7633: #0: (&mm->mmap_sem){++++}, at: [<0000000099626bbd>] __do_page_fault+0x282/0xbb0 arch/x86/mm/fault.c:1349 #1: (&ei->i_mmap_sem){++++}, at: [<00000000dfaf6017>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6232 2 locks held by udevd/7634: #0: (&mm->mmap_sem){++++}, at: [<0000000099626bbd>] __do_page_fault+0x282/0xbb0 arch/x86/mm/fault.c:1349 #1: (&ei->i_mmap_sem){++++}, at: [<00000000dfaf6017>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6232 2 locks held by udevd/7636: #0: (&mm->mmap_sem){++++}, at: [<0000000099626bbd>] __do_page_fault+0x282/0xbb0 arch/x86/mm/fault.c:1349 #1: (&ei->i_mmap_sem){++++}, at: [<00000000dfaf6017>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6232 1 lock held by blkid/7637: #0: (&ei->i_mmap_sem){++++}, at: [<00000000dfaf6017>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6232 1 lock held by blkid/7638: #0: (&mm->mmap_sem){++++}, at: [<0000000099626bbd>] __do_page_fault+0x282/0xbb0 arch/x86/mm/fault.c:1349 2 locks held by udevd/7643: #0: (&mm->mmap_sem){++++}, at: [<0000000099626bbd>] __do_page_fault+0x282/0xbb0 arch/x86/mm/fault.c:1349 #1: (&ei->i_mmap_sem){++++}, at: [<00000000dfaf6017>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6232 1 lock held by blkid/7653: #0: (&mm->mmap_sem){++++}, at: [<0000000009707635>] SYSC_mremap mm/mremap.c:555 [inline] #0: (&mm->mmap_sem){++++}, at: [<0000000009707635>] SyS_mremap+0x1a8/0xcf3 mm/mremap.c:519 2 locks held by udevd/7655: #0: (&mm->mmap_sem){++++}, at: [<0000000099626bbd>] __do_page_fault+0x282/0xbb0 arch/x86/mm/fault.c:1349 #1: (&ei->i_mmap_sem){++++}, at: [<00000000dfaf6017>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6232 1 lock held by udevd/7656: #0: (&ei->i_mmap_sem){++++}, at: [<00000000dfaf6017>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6232 2 locks held by udevd/7657: #0: (&mm->mmap_sem){++++}, at: [<0000000099626bbd>] __do_page_fault+0x282/0xbb0 arch/x86/mm/fault.c:1349 #1: 0*256kB (&ei->i_mmap_sem){++++}, at: [<00000000dfaf6017>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6232 2 locks held by udevd/7658: #0: (&mm->mmap_sem){++++}, at: [<0000000099626bbd>] __do_page_fault+0x282/0xbb0 arch/x86/mm/fault.c:1349 #1: (&ei->i_mmap_sem){++++}, at: [<00000000dfaf6017>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6232 1 lock held by blkid/7659: #0: (&mm->mmap_sem){++++}, at: [<0000000099626bbd>] __do_page_fault+0x282/0xbb0 arch/x86/mm/fault.c:1349 1 lock held by blkid/7660: #0: (&mm->mmap_sem){++++}, at: [<0000000009707635>] SYSC_mremap mm/mremap.c:555 [inline] #0: (&mm->mmap_sem){++++}, at: [<0000000009707635>] SyS_mremap+0x1a8/0xcf3 mm/mremap.c:519 1 lock held by blkid/7663: #0: (&mm->mmap_sem){++++}, at: [<0000000099626bbd>] __do_page_fault+0x282/0xbb0 arch/x86/mm/fault.c:1349 1 lock held by blkid/7669: #0: (&mm->mmap_sem){++++}, at: [<0000000099626bbd>] __do_page_fault+0x282/0xbb0 arch/x86/mm/fault.c:1349 2 locks held by udevd/7671: #0: (&mm->mmap_sem){++++}, at: [<0000000099626bbd>] __do_page_fault+0x282/0xbb0 arch/x86/mm/fault.c:1349 #1: (&ei->i_mmap_sem){++++}, at: [<00000000dfaf6017>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6232 2 locks held by udevd/7673: #0: (&mm->mmap_sem){++++}, at: [<0000000099626bbd>] __do_page_fault+0x282/0xbb0 arch/x86/mm/fault.c:1349 #1: (&ei->i_mmap_sem){++++}, at: [<00000000dfaf6017>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6232 2 locks held by udevd/7674: #0: (&mm->mmap_sem){++++}, at: [<0000000099626bbd>] __do_page_fault+0x282/0xbb0 arch/x86/mm/fault.c:1349 #1: (&ei->i_mmap_sem){++++}, at: [<00000000dfaf6017>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6232 1 lock held by blkid/7675: #0: (&mm->mmap_sem){++++}, at: [<0000000099626bbd>] __do_page_fault+0x282/0xbb0 arch/x86/mm/fault.c:1349 1 lock held by blkid/7676: #0: (&mm->mmap_sem){++++}, at: [<0000000099626bbd>] __do_page_fault+0x282/0xbb0 arch/x86/mm/fault.c:1349 1 lock held by blkid/7678: #0: (&mm->mmap_sem){++++}, at: [<0000000099626bbd>] __do_page_fault+0x282/0xbb0 arch/x86/mm/fault.c:1349 1 lock held by blkid/7680: #0: (&mm->mmap_sem){++++}, at: [<0000000099626bbd>] __do_page_fault+0x282/0xbb0 arch/x86/mm/fault.c:1349 2 locks held by udevd/7681: #0: (&mm->mmap_sem){++++}, at: [<0000000099626bbd>] __do_page_fault+0x282/0xbb0 arch/x86/mm/fault.c:1349 #1: (&ei->i_mmap_sem){++++}, at: [<00000000dfaf6017>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6232 1 lock held by blkid/7685: #0: (&mm->mmap_sem){++++}, at: [<0000000099626bbd>] __do_page_fault+0x282/0xbb0 arch/x86/mm/fault.c:1349 1 lock held by blkid/7686: #0: (&ei->i_mmap_sem){++++}, at: [<00000000dfaf6017>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6232 1 lock held by udevd/7687: #0: (&ei->i_mmap_sem){++++}, at: [<00000000dfaf6017>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6232 2 locks held by udevd/7688: #0: (&mm->mmap_sem){++++}, at: [<0000000099626bbd>] __do_page_fault+0x282/0xbb0 arch/x86/mm/fault.c:1349 #1: (&ei->i_mmap_sem){++++}, at: [<00000000dfaf6017>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6232 2 locks held by udevd/7689: #0: (&mm->mmap_sem){++++}, at: [<0000000099626bbd>] __do_page_fault+0x282/0xbb0 arch/x86/mm/fault.c:1349 #1: (&ei->i_mmap_sem){++++}, at: [<00000000dfaf6017>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6232 2 locks held by udevd/7690: #0: (&mm->mmap_sem){++++}, at: [<0000000099626bbd>] __do_page_fault+0x282/0xbb0 arch/x86/mm/fault.c:1349 #1: (&ei->i_mmap_sem){++++}, at: [<00000000dfaf6017>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6232 1 lock held by blkid/7702: #0: (&mm->mmap_sem){++++}, at: [<0000000099626bbd>] __do_page_fault+0x282/0xbb0 arch/x86/mm/fault.c:1349 1 lock held by blkid/7703: #0: (&mm->mmap_sem){++++}, at: [<0000000099626bbd>] __do_page_fault+0x282/0xbb0 arch/x86/mm/fault.c:1349 1 lock held by blkid/7707: #0: (&ei->i_mmap_sem){++++}, at: [<00000000dfaf6017>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6232 1 lock held by blkid/7710: #0: (&mm->mmap_sem){++++}, at: [<0000000099626bbd>] __do_page_fault+0x282/0xbb0 arch/x86/mm/fault.c:1349 1 lock held by udevd/7711: #0: (&ei->i_mmap_sem){++++}, at: [<00000000dfaf6017>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6232 1 lock held by udevd/7712: #0: (&ei->i_mmap_sem){++++}, at: [<00000000dfaf6017>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6232 2 locks held by udevd/7713: #0: (&mm->mmap_sem){++++}, at: [<0000000099626bbd>] __do_page_fault+0x282/0xbb0 arch/x86/mm/fault.c:1349 #1: (&ei->i_mmap_sem){++++}, at: [<00000000dfaf6017>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6232 2 locks held by udevd/7714: #0: (&mm->mmap_sem){++++}, at: [<0000000099626bbd>] __do_page_fault+0x282/0xbb0 arch/x86/mm/fault.c:1349 #1: (&ei->i_mmap_sem){++++}, at: [<00000000dfaf6017>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6232 2 locks held by udevd/7728: #0: (&mm->mmap_sem){++++}, at: [<0000000099626bbd>] __do_page_fault+0x282/0xbb0 arch/x86/mm/fault.c:1349 #1: (&ei->i_mmap_sem){++++}, at: [<00000000dfaf6017>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6232 2 locks held by udevd/7729: #0: (&mm->mmap_sem){++++}, at: [<0000000099626bbd>] __do_page_fault+0x282/0xbb0 arch/x86/mm/fault.c:1349 #1: ( 0*512kB &ei->i_mmap_sem 0*1024kB ){++++}, at: [<00000000dfaf6017>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6232 1 lock held by syz-executor.2/7730: #0: (&ei->i_mmap_sem){++++}, at: [<00000000dfaf6017>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6232 1 lock held by syz-executor.2/7744: #0: (sb_writers#4){.+.+}, at: [<00000000dee0a369>] file_start_write include/linux/fs.h:2746 [inline] #0: (sb_writers#4){.+.+}, at: [<00000000dee0a369>] do_sendfile+0x88f/0xb20 fs/read_write.c:1444 1 lock held by blkid/7734: #0: (&mm->mmap_sem){++++}, at: [<0000000009707635>] SYSC_mremap mm/mremap.c:555 [inline] #0: (&mm->mmap_sem){++++}, at: [<0000000009707635>] SyS_mremap+0x1a8/0xcf3 mm/mremap.c:519 1 lock held by udevd/7735: #0: (&ei->i_mmap_sem){++++}, at: [<00000000dfaf6017>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6232 2 locks held by udevd/7736: #0: (&mm->mmap_sem){++++}, at: [<0000000099626bbd>] __do_page_fault+0x282/0xbb0 arch/x86/mm/fault.c:1349 #1: (&ei->i_mmap_sem){++++}, at: [<00000000dfaf6017>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6232 1 lock held by blkid/7737: #0: (&ei->i_mmap_sem){++++}, at: [<00000000dfaf6017>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6232 1 lock held by blkid/7738: #0: (&mm->mmap_sem){++++}, at: [<0000000099626bbd>] __do_page_fault+0x282/0xbb0 arch/x86/mm/fault.c:1349 1 lock held by blkid/7740: #0: (&mm->mmap_sem){++++}, at: [<0000000099626bbd>] __do_page_fault+0x282/0xbb0 arch/x86/mm/fault.c:1349 1 lock held by blkid/7742: #0: (&ei->i_mmap_sem){++++}, at: [<00000000dfaf6017>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6232 1 lock held by udevd/7745: #0: (&mm->mmap_sem){++++}, at: [<0000000099626bbd>] __do_page_fault+0x282/0xbb0 arch/x86/mm/fault.c:1349 1 lock held by udevd/7746: #0: (&ei->i_mmap_sem){++++}, at: [<00000000dfaf6017>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6232 1 lock held by udevd/7747: #0: (&mm->mmap_sem){++++}, at: [<0000000099626bbd>] __do_page_fault+0x282/0xbb0 arch/x86/mm/fault.c:1349 1 lock held by syz-executor.1/7752: #0: (&ei->i_mmap_sem){++++}, at: [<00000000dfaf6017>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6232 1 lock held by syz-executor.1/7762: #0: (&ei->i_mmap_sem){++++}, at: [<00000000dfaf6017>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6232 1 lock held by udevd/7755: #0: (&ei->i_mmap_sem){++++}, at: [<00000000dfaf6017>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6232 1 lock held by blkid/7756: #0: (&mm->mmap_sem){++++}, at: [<0000000040237144>] __do_page_fault+0x8a4/0xbb0 arch/x86/mm/fault.c:1356 1 lock held by modprobe/7758: #0: (&mm->mmap_sem){++++}, at: [<0000000040237144>] __do_page_fault+0x8a4/0xbb0 arch/x86/mm/fault.c:1356 1 lock held by kworker/u4:24/7759: #0: (&sig->cred_guard_mutex){+.+.}, at: [<0000000059f46949>] prepare_bprm_creds+0x51/0x110 fs/exec.c:1389 1 lock held by udevd/7760: #0: (&mm->mmap_sem){++++}, at: [<0000000099626bbd>] __do_page_fault+0x282/0xbb0 arch/x86/mm/fault.c:1349 1 lock held by udevd/7761: #0: (&ei->i_mmap_sem){++++}, at: [<00000000dfaf6017>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6232 ============================================= NMI backtrace for cpu 0 0*2048kB CPU: 0 PID: 23 Comm: khungtaskd Not tainted 4.14.149+ #0 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 nmi_trigger_cpumask_backtrace+0x119/0x147 lib/nmi_backtrace.c:62 trigger_all_cpu_backtrace include/linux/nmi.h:140 [inline] check_hung_uninterruptible_tasks kernel/hung_task.c:195 [inline] watchdog+0x629/0xbe0 kernel/hung_task.c:274 kthread+0x31f/0x430 kernel/kthread.c:232 ret_from_fork+0x3a/0x50 arch/x86/entry/entry_64.S:404 Sending NMI from CPU 0 to CPUs 1: NMI backtrace for cpu 1 CPU: 1 PID: 7470 Comm: blkid Not tainted 4.14.149+ #0 task: 00000000e4621a90 task.stack: 000000005a89f62e RIP: 0010:lock_is_held_type+0x30/0x150 kernel/locking/lockdep.c:4025 RSP: 0000:ffff8881dbb07cf0 EFLAGS: 00000a07 RAX: dffffc0000000000 RBX: ffff8881d4740000 RCX: 0000000000000000 RDX: 0000000000000000 RSI: 00000000ffffffff RDI: ffff8881d474082c RBP: ffffffffb1ad41e0 R08: 0000000000000001 R09: ffffed103b7644fa R10: ffffed103b7644f9 R11: ffff8881dbb227cf R12: ffff8881a03ef300 R13: 1ffff1103b760fa7 R14: ffffffffaf869d40 R15: ffff8881d4e1c680 FS: 00007f4ac26fb740(0000) GS:ffff8881dbb00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f78850728d0 CR3: 0000000177bee003 CR4: 00000000001606a0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000600 Call Trace: lock_is_held include/linux/lockdep.h:437 [inline] rcu_read_lock_sched_held+0x10a/0x130 kernel/rcu/update.c:116 trace_timer_expire_exit include/trace/events/timer.h:121 [inline] call_timer_fn+0x2d6/0x6a0 kernel/time/timer.c:1280 expire_timers+0x227/0x4c0 kernel/time/timer.c:1318 __run_timers kernel/time/timer.c:1636 [inline] run_timer_softirq+0x1eb/0x5d0 kernel/time/timer.c:1649 __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:1102 apic_timer_interrupt+0x8c/0xa0 arch/x86/entry/entry_64.S:792 RIP: 0010:arch_local_irq_restore arch/x86/include/asm/paravirt.h:779 [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:ffff8881a36375e8 EFLAGS: 00000297 ORIG_RAX: ffffffffffffff10 RAX: 0000000000000007 RBX: 0000000000000297 RCX: 1ffff1103a8e810f RDX: 0000000000000000 RSI: ffff8881d4740858 RDI: 0000000000000297 RBP: ffff8881a3637620 R08: 0000000000000001 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000009 R13: 0000000000000000 R14: ffff8881a3637678 R15: ffff8881daae4680 vprintk_func+0x58/0x152 kernel/printk/printk_safe.c:401 printk+0xba/0xed kernel/printk/printk.c:1990 show_free_areas.cold+0x1ba/0x8ce mm/page_alloc.c:4919 show_mem+0x3b/0x10a lib/show_mem.c:18 dump_header+0x1d9/0x848 mm/oom_kill.c:426 oom_kill_process.cold+0x10/0xde6 mm/oom_kill.c:861 out_of_memory mm/oom_kill.c:1084 [inline] out_of_memory+0x2d2/0xab0 mm/oom_kill.c:1023 __alloc_pages_may_oom mm/page_alloc.c:3415 [inline] __alloc_pages_slowpath mm/page_alloc.c:4112 [inline] __alloc_pages_nodemask+0x1988/0x2370 mm/page_alloc.c:4277 __alloc_pages include/linux/gfp.h:461 [inline] __alloc_pages_node include/linux/gfp.h:474 [inline] alloc_pages_node include/linux/gfp.h:488 [inline] alloc_zeroed_user_highpage_movable include/linux/highmem.h:184 [inline] do_anonymous_page mm/memory.c:3133 [inline] handle_pte_fault mm/memory.c:3987 [inline] __handle_mm_fault+0x1116/0x2700 mm/memory.c:4113 handle_mm_fault+0x2f1/0x6da mm/memory.c:4150 __do_page_fault+0x477/0xbb0 arch/x86/mm/fault.c:1420 page_fault+0x42/0x50 arch/x86/entry/entry_64.S:1122 RIP: 07ff:0x646320 RSP: c02fcf10:0000000000645eb0 EFLAGS: 0000000a Code: 00 00 fc ff df 41 54 55 48 89 fd 53 65 48 8b 1c 25 c0 de 01 00 48 8d bb 2c 08 00 00 48 83 ec 08 48 89 fa 48 c1 ea 03 0f b6 14 02 <48> 89 f8 83 e0 07 83 c0 03 38 d0 7c 08 84 d2 0f 85 d9 00 00 00