[22706] 0 22706 18244 8753 26 4 0 0 syz-executor.2 [22726] 0 22726 18211 8751 27 4 0 0 syz-executor.2 [22782] 0 22782 18211 8751 27 4 0 0 syz-executor.2 INFO: task syz-executor.5:5822 blocked for more than 140 seconds. Not tainted 4.14.134+ #23 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [23107] 60928 23107 18145 8712 25 3 0 0 syz-executor.3 syz-executor.5 D24672 5822 5821 0x00000000 Call Trace: [23111] 0 23111 18178 8714 25 3 0 0 syz-executor.3 [23256] 0 23256 18178 8747 26 4 0 0 syz-executor.1 [23312] 0 23312 18145 8745 26 4 0 0 syz-executor.3 [23373] 0 23373 18145 8747 26 4 0 0 syz-executor.2 [23409] 0 23409 18145 8746 26 4 0 0 syz-executor.3 [23593] 0 23593 18343 8759 33 4 0 0 syz-executor.2 [23613] 0 23613 18145 8744 26 4 0 0 syz-executor.1 [23635] 0 23635 18145 8745 26 4 0 0 syz-executor.3 [23644] 0 23644 18145 8712 25 3 0 0 syz-executor.3 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 [23786] 0 23786 18145 8714 25 3 0 0 syz-executor.2 [23835] 0 23835 18178 8748 26 4 0 0 syz-executor.2 [23882] 0 23882 18178 8748 26 4 0 0 syz-executor.2 [24268] 0 24268 18142 8713 25 3 0 0 syz-executor.3 [24273] 0 24273 18175 8715 25 3 0 0 syz-executor.3 xt_find_table_lock+0x35/0x3d0 net/netfilter/x_tables.c:1092 [24275] 0 24275 18178 8746 26 4 0 0 syz-executor.0 [24721] 0 24721 18244 8739 27 4 0 0 syz-executor.3 get_info+0x11b/0x580 net/ipv4/netfilter/arp_tables.c:801 [24722] 0 24722 18145 8715 25 3 0 0 syz-executor.3 [24733] 0 24733 18244 8723 26 3 0 0 syz-executor.3 [24750] 0 24750 18244 8753 26 4 0 0 syz-executor.2 [24832] 0 24832 18178 8749 26 4 0 0 syz-executor.0 [25068] 0 25068 18145 8712 25 3 0 0 syz-executor.3 [25077] 0 25077 18178 8714 25 3 0 0 syz-executor.3 [25102] 0 25102 18178 8748 26 4 0 0 syz-executor.2 [25207] 0 25207 18145 8712 25 3 0 0 syz-executor.3 [25557] 0 25557 18211 8748 26 4 0 0 syz-executor.1 [25627] 0 25627 18145 8746 26 4 0 0 syz-executor.2 [25673] 0 25673 18145 8744 26 4 0 0 syz-executor.3 [25674] 0 25674 18310 8765 26 4 0 0 syz-executor.2 [25677] 0 25677 18178 8746 26 4 0 0 syz-executor.0 [25679] 0 25679 18178 8717 25 3 0 0 syz-executor.2 [25681] 0 25681 18178 8746 26 4 0 0 syz-executor.0 [25686] 0 25686 18244 8729 25 3 0 0 syz-executor.2 [26022] 0 26022 18145 8716 25 3 0 0 syz-executor.2 [26023] 0 26023 18178 8746 26 4 0 0 syz-executor.3 [26025] 0 26025 18145 8712 25 3 0 0 syz-executor.3 [26032] 0 26032 18178 8714 25 3 0 0 syz-executor.3 [26131] 0 26131 18145 8744 26 4 0 0 syz-executor.0 [26434] 0 26434 18211 8748 26 4 0 0 syz-executor.1 [26468] 0 26468 18211 8751 27 4 0 0 syz-executor.0 [26757] 0 26757 18178 8746 26 4 0 0 syz-executor.0 [26762] 0 26762 18178 8746 26 4 0 0 syz-executor.0 [26908] 0 26908 18145 8745 26 4 0 0 syz-executor.2 [26915] 0 26915 18145 8713 24 3 0 0 syz-executor.2 [26985] 0 26985 18145 8744 26 4 0 0 syz-executor.1 [27022] 0 27022 18211 8750 26 4 0 0 syz-executor.2 [27068] 0 27068 18211 8748 26 4 0 0 syz-executor.1 [27070] 0 27070 18211 8750 26 4 0 0 syz-executor.2 [27084] 0 27084 18145 8703 24 3 0 0 syz-executor.3 [27087] 0 27087 18145 8713 25 3 0 0 syz-executor.3 Showing all locks held in the system: 1 lock held by init/1: #0: (&ei->i_mmap_sem){++++}, at: [<000000007c9467c9>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6178 1 lock held by khungtaskd/23: #0: (tasklist_lock){.+.?}, at: [<00000000038a20d6>] debug_show_all_locks+0x7c/0x21a kernel/locking/lockdep.c:4541 1 lock held by udevd/190: #0: (&ei->i_mmap_sem){++++}, at: [<000000007c9467c9>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6178 2 locks held by getty/1759: #0: (&tty->ldisc_sem){++++}, at: [<00000000eaff6c29>] tty_ldisc_ref_wait+0x22/0x80 drivers/tty/tty_ldisc.c:284 #1: (&ldata->atomic_read_lock){+.+.}, at: [<00000000fb43aa25>] n_tty_read+0x1f7/0x1700 drivers/tty/n_tty.c:2156 2 locks held by kworker/u4:20/6161: #0: ("events_unbound"){+.+.}, at: [<00000000642f9b55>] process_one_work+0x6ff/0x1580 kernel/workqueue.c:2105 #1: ((&sub_info->work)){+.+.}, at: [<00000000e6b04795>] process_one_work+0x735/0x1580 kernel/workqueue.c:2109 1 lock held by syz-executor.5/5822: #0: (&xt[i].mutex){+.+.}, at: [<000000009eb9fae4>] xt_find_table_lock+0x35/0x3d0 net/netfilter/x_tables.c:1092 2 locks held by kworker/u4:8/18580: #0: ("events_unbound"){+.+.}, at: [<00000000642f9b55>] process_one_work+0x6ff/0x1580 kernel/workqueue.c:2105 #1: ((&sub_info->work)){+.+.}, at: [<00000000e6b04795>] process_one_work+0x735/0x1580 kernel/workqueue.c:2109 1 lock held by udevd/29633: #0: (&ei->i_mmap_sem){++++}, at: [<000000007c9467c9>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6178 1 lock held by udevd/29636: #0: (&ei->i_mmap_sem){++++}, at: [<000000007c9467c9>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6178 1 lock held by udevd/29641: #0: (&ei->i_mmap_sem){++++}, at: [<000000007c9467c9>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6178 2 locks held by udevd/29642: #0: (&mm->mmap_sem){++++}, at: [<00000000e14d32ff>] __do_page_fault+0x282/0xbb0 arch/x86/mm/fault.c:1352 #1: (&ei->i_mmap_sem){++++}, at: [<000000007c9467c9>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6178 1 lock held by udevd/29645: #0: (&ei->i_mmap_sem){++++}, at: [<000000007c9467c9>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6178 1 lock held by udevd/29646: #0: (&ei->i_mmap_sem){++++}, at: [<000000007c9467c9>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6178 1 lock held by udevd/29648: #0: (&ei->i_mmap_sem){++++}, at: [<000000007c9467c9>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6178 1 lock held by udevd/29651: #0: (&ei->i_mmap_sem){++++}, at: [<000000007c9467c9>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6178 2 locks held by udevd/29659: #0: (&mm->mmap_sem){++++}, at: [<00000000e14d32ff>] __do_page_fault+0x282/0xbb0 arch/x86/mm/fault.c:1352 #1: (&ei->i_mmap_sem){++++}, at: [<000000007c9467c9>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6178 1 lock held by udevd/29671: #0: (&ei->i_mmap_sem){++++}, at: [<000000007c9467c9>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6178 1 lock held by udevd/29674: #0: (&ei->i_mmap_sem){++++}, at: [<000000007c9467c9>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6178 1 lock held by udevd/29675: #0: (&ei->i_mmap_sem){++++}, at: [<000000007c9467c9>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6178 1 lock held by udevd/29677: #0: (&ei->i_mmap_sem){++++}, at: [<000000007c9467c9>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6178 1 lock held by udevd/29683: #0: (&ei->i_mmap_sem){++++}, at: [<000000007c9467c9>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6178 1 lock held by udevd/29684: #0: (&ei->i_mmap_sem){++++}, at: [<000000007c9467c9>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6178 1 lock held by udevd/29686: #0: (&ei->i_mmap_sem){++++}, at: [<000000007c9467c9>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6178 1 lock held by udevd/29692: #0: (&ei->i_mmap_sem){++++}, at: [<000000007c9467c9>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6178 1 lock held by udevd/29699: #0: (&ei->i_mmap_sem){++++}, at: [<000000007c9467c9>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6178 1 lock held by udevd/29702: #0: (&ei->i_mmap_sem){++++}, at: [<000000007c9467c9>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6178 1 lock held by udevd/29704: #0: (&ei->i_mmap_sem){++++}, at: [<000000007c9467c9>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6178 1 lock held by udevd/29705: #0: (&ei->i_mmap_sem){++++}, at: [<000000007c9467c9>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6178 1 lock held by udevd/29715: #0: (&ei->i_mmap_sem){++++}, at: [<000000007c9467c9>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6178 1 lock held by udevd/29718: #0: (&ei->i_mmap_sem){++++}, at: [<000000007c9467c9>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6178 1 lock held by udevd/29726: #0: (&ei->i_mmap_sem){++++}, at: [<000000007c9467c9>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6178 1 lock held by udevd/29729: #0: (&ei->i_mmap_sem){++++}, at: [<000000007c9467c9>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6178 1 lock held by udevd/29739: #0: (&ei->i_mmap_sem){++++}, at: [<000000007c9467c9>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6178 1 lock held by udevd/29745: #0: (&ei->i_mmap_sem){++++}, at: [<000000007c9467c9>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6178 1 lock held by udevd/29747: #0: (&ei->i_mmap_sem){++++}, at: [<000000007c9467c9>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6178 1 lock held by udevd/29785: #0: (&ei->i_mmap_sem){++++}, at: [<000000007c9467c9>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6178 1 lock held by udevd/29786: #0: (&ei->i_mmap_sem){++++}, at: [<000000007c9467c9>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6178 1 lock held by udevd/29787: #0: (&ei->i_mmap_sem){++++}, at: [<000000007c9467c9>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6178 1 lock held by udevd/29788: #0: (&ei->i_mmap_sem){++++}, at: [<000000007c9467c9>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6178 1 lock held by udevd/29789: #0: (&ei->i_mmap_sem){++++}, at: [<000000007c9467c9>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6178 1 lock held by udevd/29795: #0: (&ei->i_mmap_sem){++++}, at: [<000000007c9467c9>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6178 1 lock held by udevd/29799: #0: (&ei->i_mmap_sem){++++}, at: [<000000007c9467c9>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6178 1 lock held by udevd/29804: [27090] 0 27090 18211 8749 26 4 0 0 syz-executor.3 #0: (&ei->i_mmap_sem){++++}, at: [<000000007c9467c9>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6178 1 lock held by udevd/29806: #0: (&ei->i_mmap_sem){++++}, at: [<000000007c9467c9>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6178 1 lock held by udevd/29807: #0: (&ei->i_mmap_sem){++++}, at: [<000000007c9467c9>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6178 1 lock held by udevd/29808: #0: (&ei->i_mmap_sem){++++}, at: [<000000007c9467c9>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6178 1 lock held by udevd/29810: #0: (&ei->i_mmap_sem){++++}, at: [<000000007c9467c9>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6178 1 lock held by udevd/29820: #0: (&ei->i_mmap_sem){++++}, at: [<000000007c9467c9>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6178 1 lock held by udevd/29821: #0: (&ei->i_mmap_sem){++++}, at: [<000000007c9467c9>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6178 1 lock held by udevd/29823: #0: (&ei->i_mmap_sem){++++}, at: [<000000007c9467c9>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6178 1 lock held by udevd/29825: #0: (&ei->i_mmap_sem){++++}, at: [<000000007c9467c9>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6178 2 locks held by udevd/29827: #0: (&mm->mmap_sem){++++}, at: [<00000000e14d32ff>] __do_page_fault+0x282/0xbb0 arch/x86/mm/fault.c:1352 #1: (&ei->i_mmap_sem){++++}, at: [<000000007c9467c9>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6178 1 lock held by udevd/29829: #0: (&ei->i_mmap_sem){++++}, at: [<000000007c9467c9>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6178 1 lock held by udevd/29830: #0: (&ei->i_mmap_sem){++++}, at: [<000000007c9467c9>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6178 1 lock held by udevd/29839: #0: (&ei->i_mmap_sem){++++}, at: [<000000007c9467c9>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6178 1 lock held by udevd/29843: #0: (&ei->i_mmap_sem){++++}, at: [<000000007c9467c9>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6178 1 lock held by udevd/29844: #0: (&ei->i_mmap_sem){++++}, at: [<000000007c9467c9>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6178 2 locks held by udevd/29846: #0: (&mm->mmap_sem){++++}, at: [<00000000e14d32ff>] __do_page_fault+0x282/0xbb0 arch/x86/mm/fault.c:1352 #1: (&ei->i_mmap_sem){++++}, at: [<000000007c9467c9>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6178 1 lock held by udevd/29847: #0: (&ei->i_mmap_sem){++++}, at: [<000000007c9467c9>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6178 1 lock held by udevd/29849: #0: (&ei->i_mmap_sem){++++}, at: [<000000007c9467c9>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6178 2 locks held by udevd/29851: #0: (&mm->mmap_sem){++++}, at: [<00000000e14d32ff>] __do_page_fault+0x282/0xbb0 arch/x86/mm/fault.c:1352 #1: (&ei->i_mmap_sem){++++}, at: [<000000007c9467c9>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6178 1 lock held by udevd/29855: #0: (&ei->i_mmap_sem){++++}, at: [<000000007c9467c9>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6178 1 lock held by udevd/29856: #0: (&ei->i_mmap_sem){++++}, at: [<000000007c9467c9>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6178 2 locks held by udevd/29857: #0: (&mm->mmap_sem){++++}, at: [<00000000e14d32ff>] __do_page_fault+0x282/0xbb0 arch/x86/mm/fault.c:1352 #1: (&ei->i_mmap_sem){++++}, at: [<000000007c9467c9>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6178 1 lock held by udevd/29858: #0: (&ei->i_mmap_sem){++++}, at: [<000000007c9467c9>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6178 1 lock held by udevd/29861: #0: (&ei->i_mmap_sem){++++}, at: [<000000007c9467c9>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6178 1 lock held by udevd/29863: #0: (&ei->i_mmap_sem){++++}, at: [<000000007c9467c9>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6178 1 lock held by udevd/29864: #0: (&ei->i_mmap_sem){++++}, at: [<000000007c9467c9>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6178 1 lock held by udevd/29865: #0: (&ei->i_mmap_sem){++++}, at: [<000000007c9467c9>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6178 1 lock held by udevd/29883: #0: (&ei->i_mmap_sem){++++}, at: [<000000007c9467c9>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6178 1 lock held by udevd/29885: #0: (&ei->i_mmap_sem){++++}, at: [<000000007c9467c9>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6178 1 lock held by udevd/29887: #0: (&ei->i_mmap_sem){++++}, at: [<000000007c9467c9>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6178 1 lock held by udevd/29895: #0: (&ei->i_mmap_sem){++++}, at: [<000000007c9467c9>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6178 1 lock held by udevd/29897: #0: (&ei->i_mmap_sem){++++}, at: [<000000007c9467c9>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6178 1 lock held by udevd/29906: #0: (&ei->i_mmap_sem){++++}, at: [<000000007c9467c9>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6178 1 lock held by udevd/29908: #0: (&ei->i_mmap_sem){++++}, at: [<000000007c9467c9>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6178 1 lock held by udevd/29909: #0: (&ei->i_mmap_sem){++++}, at: [<000000007c9467c9>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6178 1 lock held by udevd/29910: #0: (&ei->i_mmap_sem){++++}, at: [<000000007c9467c9>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6178 1 lock held by udevd/29914: #0: (&ei->i_mmap_sem){++++}, at: [<000000007c9467c9>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6178 1 lock held by udevd/29916: #0: (&ei->i_mmap_sem){++++}, at: [<000000007c9467c9>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6178 1 lock held by udevd/29921: #0: (&ei->i_mmap_sem){++++}, at: [<000000007c9467c9>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6178 1 lock held by udevd/29922: #0: (&ei->i_mmap_sem){++++}, at: [<000000007c9467c9>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6178 1 lock held by udevd/29939: #0: (&ei->i_mmap_sem){++++}, at: [<000000007c9467c9>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6178 1 lock held by udevd/29940: #0: (&ei->i_mmap_sem){++++}, at: [<000000007c9467c9>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6178 1 lock held by udevd/29944: #0: (&ei->i_mmap_sem){++++}, at: [<000000007c9467c9>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6178 1 lock held by udevd/29947: #0: (&ei->i_mmap_sem){++++}, at: [<000000007c9467c9>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6178 1 lock held by udevd/29950: #0: (&ei->i_mmap_sem){++++}, at: [<000000007c9467c9>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6178 1 lock held by udevd/29952: #0: (&ei->i_mmap_sem){++++}, at: [<000000007c9467c9>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6178 1 lock held by udevd/29954: #0: (&ei->i_mmap_sem){++++}, at: [<000000007c9467c9>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6178 1 lock held by udevd/29955: [27109] 0 27109 18211 8748 26 4 0 0 syz-executor.1 #0: (&ei->i_mmap_sem){++++}, at: [<000000007c9467c9>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6178 1 lock held by udevd/29956: #0: (&ei->i_mmap_sem){++++}, at: [<000000007c9467c9>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6178 1 lock held by udevd/29957: #0: (&ei->i_mmap_sem){++++}, at: [<000000007c9467c9>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6178 1 lock held by udevd/29958: #0: (&ei->i_mmap_sem){++++}, at: [<000000007c9467c9>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6178 1 lock held by udevd/29959: #0: (&ei->i_mmap_sem){++++}, at: [<000000007c9467c9>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6178 1 lock held by udevd/29968: #0: (&ei->i_mmap_sem){++++}, at: [<000000007c9467c9>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6178 1 lock held by udevd/29969: #0: (&ei->i_mmap_sem){++++}, at: [<000000007c9467c9>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6178 1 lock held by udevd/29974: #0: (&ei->i_mmap_sem){++++}, at: [<000000007c9467c9>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6178 1 lock held by udevd/29975: #0: (&ei->i_mmap_sem){++++}, at: [<000000007c9467c9>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6178 1 lock held by udevd/29976: #0: (&ei->i_mmap_sem){++++}, at: [<000000007c9467c9>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6178 1 lock held by udevd/29977: #0: (&ei->i_mmap_sem){++++}, at: [<000000007c9467c9>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6178 1 lock held by udevd/29979: #0: (&ei->i_mmap_sem){++++}, at: [<000000007c9467c9>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6178 1 lock held by udevd/29987: #0: (&ei->i_mmap_sem){++++}, at: [<000000007c9467c9>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6178 1 lock held by udevd/29988: #0: (&ei->i_mmap_sem){++++}, at: [<000000007c9467c9>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6178 1 lock held by udevd/29990: #0: (&ei->i_mmap_sem){++++}, at: [<000000007c9467c9>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6178 1 lock held by udevd/29991: #0: (&ei->i_mmap_sem){++++}, at: [<000000007c9467c9>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6178 1 lock held by udevd/29994: #0: (&ei->i_mmap_sem){++++}, at: [<000000007c9467c9>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6178 1 lock held by udevd/29995: #0: (&ei->i_mmap_sem){++++}, at: [<000000007c9467c9>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6178 1 lock held by udevd/29996: #0: (&ei->i_mmap_sem){++++}, at: [<000000007c9467c9>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6178 1 lock held by udevd/29997: #0: (&ei->i_mmap_sem){++++}, at: [<000000007c9467c9>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6178 1 lock held by udevd/29998: #0: (&ei->i_mmap_sem){++++}, at: [<000000007c9467c9>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6178 1 lock held by udevd/30001: #0: (&ei->i_mmap_sem){++++}, at: [<000000007c9467c9>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6178 1 lock held by udevd/30003: #0: (&ei->i_mmap_sem){++++}, at: [<000000007c9467c9>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6178 1 lock held by udevd/30004: #0: (&ei->i_mmap_sem){++++}, at: [<000000007c9467c9>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6178 2 locks held by udevd/30007: #0: (&ei->i_mmap_sem){++++}, at: [<000000007c9467c9>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6178 #1: (pcpu_drain_mutex){+.+.}, at: [<00000000e1df8a07>] drain_all_pages+0x4a/0x550 mm/page_alloc.c:2507 1 lock held by udevd/30008: #0: (&ei->i_mmap_sem){++++}, at: [<000000007c9467c9>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6178 1 lock held by udevd/30009: #0: (&ei->i_mmap_sem){++++}, at: [<000000007c9467c9>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6178 1 lock held by udevd/30018: #0: (&ei->i_mmap_sem){++++}, at: [<000000007c9467c9>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6178 1 lock held by udevd/30019: #0: (&ei->i_mmap_sem){++++}, at: [<000000007c9467c9>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6178 1 lock held by udevd/30020: #0: (&ei->i_mmap_sem){++++}, at: [<000000007c9467c9>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6178 1 lock held by udevd/30021: #0: (&ei->i_mmap_sem){++++}, at: [<000000007c9467c9>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6178 1 lock held by udevd/30022: [27319] 0 27319 18211 8751 26 4 0 0 syz-executor.1 #0: [27321] 0 27321 18145 8715 26 3 0 0 syz-executor.2 (&ei->i_mmap_sem){++++}, at: [<000000007c9467c9>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6178 1 lock held by udevd/30023: #0: (&ei->i_mmap_sem){++++}, at: [<000000007c9467c9>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6178 1 lock held by udevd/30038: #0: (&ei->i_mmap_sem){++++}, at: [<000000007c9467c9>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6178 1 lock held by udevd/30039: #0: (&ei->i_mmap_sem){++++}, at: [<000000007c9467c9>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6178 1 lock held by udevd/30040: #0: (&ei->i_mmap_sem){++++}, at: [<000000007c9467c9>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6178 2 locks held by udevd/30044: #0: (&mm->mmap_sem){++++}, at: [<00000000e14d32ff>] __do_page_fault+0x282/0xbb0 arch/x86/mm/fault.c:1352 #1: (&ei->i_mmap_sem){++++}, at: [<000000007c9467c9>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6178 1 lock held by udevd/30046: #0: (&ei->i_mmap_sem){++++}, at: [<000000007c9467c9>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6178 2 locks held by udevd/30054: #0: (&mm->mmap_sem){++++}, at: [<00000000e14d32ff>] __do_page_fault+0x282/0xbb0 arch/x86/mm/fault.c:1352 #1: (&ei->i_mmap_sem){++++}, at: [<000000007c9467c9>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6178 2 locks held by udevd/30055: #0: (&mm->mmap_sem){++++}, at: [<00000000e14d32ff>] __do_page_fault+0x282/0xbb0 arch/x86/mm/fault.c:1352 #1: (&ei->i_mmap_sem){++++}, at: [<000000007c9467c9>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6178 2 locks held by udevd/30056: #0: (&mm->mmap_sem){++++}, at: [<00000000e14d32ff>] __do_page_fault+0x282/0xbb0 arch/x86/mm/fault.c:1352 #1: (&ei->i_mmap_sem){++++}, at: [<000000007c9467c9>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6178 1 lock held by udevd/30067: #0: (&ei->i_mmap_sem){++++}, at: [<000000007c9467c9>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6178 1 lock held by udevd/30068: #0: (&ei->i_mmap_sem){++++}, at: [<000000007c9467c9>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6178 1 lock held by udevd/30072: #0: (&ei->i_mmap_sem){++++}, at: [<000000007c9467c9>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6178 1 lock held by udevd/30076: #0: (&ei->i_mmap_sem){++++}, at: [<000000007c9467c9>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6178 1 lock held by udevd/30077: #0: (&ei->i_mmap_sem){++++}, at: [<000000007c9467c9>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6178 2 locks held by udevd/30079: #0: (&mm->mmap_sem){++++}, at: [<00000000e14d32ff>] __do_page_fault+0x282/0xbb0 arch/x86/mm/fault.c:1352 #1: (&ei->i_mmap_sem){++++}, at: [<000000007c9467c9>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6178 1 lock held by udevd/30080: #0: (&ei->i_mmap_sem){++++}, at: [<000000007c9467c9>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6178 1 lock held by udevd/30081: #0: (&ei->i_mmap_sem){++++}, at: [<000000007c9467c9>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6178 2 locks held by udevd/30082: #0: (&mm->mmap_sem){++++}, at: [<00000000e14d32ff>] __do_page_fault+0x282/0xbb0 arch/x86/mm/fault.c:1352 #1: (&ei->i_mmap_sem){++++}, at: [<000000007c9467c9>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6178 2 locks held by udevd/30095: #0: (&mm->mmap_sem){++++}, at: [<00000000e14d32ff>] __do_page_fault+0x282/0xbb0 arch/x86/mm/fault.c:1352 #1: (&ei->i_mmap_sem){++++}, at: [<000000007c9467c9>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6178 2 locks held by udevd/30096: #0: (&mm->mmap_sem){++++}, at: [<00000000e14d32ff>] __do_page_fault+0x282/0xbb0 arch/x86/mm/fault.c:1352 #1: (&ei->i_mmap_sem){++++}, at: [<000000007c9467c9>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6178 2 locks held by udevd/30100: #0: (&mm->mmap_sem){++++}, at: [<00000000e14d32ff>] __do_page_fault+0x282/0xbb0 arch/x86/mm/fault.c:1352 #1: (&ei->i_mmap_sem){++++}, at: [<000000007c9467c9>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6178 1 lock held by udevd/30101: #0: (&ei->i_mmap_sem){++++}, at: [<000000007c9467c9>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6178 1 lock held by udevd/30102: #0: (&ei->i_mmap_sem){++++}, at: [<000000007c9467c9>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6178 1 lock held by udevd/30108: #0: (&ei->i_mmap_sem){++++}, at: [<000000007c9467c9>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6178 2 locks held by udevd/30110: #0: (&mm->mmap_sem){++++}, at: [<00000000e14d32ff>] __do_page_fault+0x282/0xbb0 arch/x86/mm/fault.c:1352 #1: (&ei->i_mmap_sem){++++}, at: [<000000007c9467c9>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6178 2 locks held by udevd/30115: #0: (&mm->mmap_sem){++++}, at: [<00000000e14d32ff>] __do_page_fault+0x282/0xbb0 arch/x86/mm/fault.c:1352 #1: (&ei->i_mmap_sem){++++}, at: [<000000007c9467c9>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6178 2 locks held by udevd/30120: #0: (&mm->mmap_sem){++++}, at: [<00000000e14d32ff>] __do_page_fault+0x282/0xbb0 arch/x86/mm/fault.c:1352 #1: (&ei->i_mmap_sem){++++}, at: [<000000007c9467c9>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6178 1 lock held by udevd/30123: #0: (&ei->i_mmap_sem){++++}, at: [<000000007c9467c9>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6178 1 lock held by udevd/30124: #0: (&ei->i_mmap_sem){++++}, at: [<000000007c9467c9>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6178 1 lock held by udevd/30129: #0: (&ei->i_mmap_sem){++++}, at: [<000000007c9467c9>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6178 2 locks held by udevd/30130: #0: (&mm->mmap_sem){++++}, at: [<00000000e14d32ff>] __do_page_fault+0x282/0xbb0 arch/x86/mm/fault.c:1352 #1: (&ei->i_mmap_sem){++++}, at: [<000000007c9467c9>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6178 1 lock held by udevd/30134: #0: (&ei->i_mmap_sem){++++}, at: [<000000007c9467c9>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6178 1 lock held by udevd/30136: #0: (&ei->i_mmap_sem){++++}, at: [<000000007c9467c9>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6178 1 lock held by udevd/30137: #0: (&ei->i_mmap_sem){++++}, at: [<000000007c9467c9>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6178 1 lock held by blkid/929: #0: (&mm->mmap_sem){++++}, at: [<00000000e14d32ff>] __do_page_fault+0x282/0xbb0 arch/x86/mm/fault.c:1352 1 lock held by blkid/933: #0: (&ei->i_mmap_sem){++++}, at: [<000000007c9467c9>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6178 1 lock held by blkid/934: #0: (&mm->mmap_sem){++++}, at: [<00000000e14d32ff>] __do_page_fault+0x282/0xbb0 arch/x86/mm/fault.c:1352 1 lock held by blkid/935: #0: (&mm->mmap_sem){++++}, at: [<00000000e14d32ff>] __do_page_fault+0x282/0xbb0 arch/x86/mm/fault.c:1352 1 lock held by blkid/940: #0: (&mm->mmap_sem){++++}, at: [<00000000e14d32ff>] __do_page_fault+0x282/0xbb0 arch/x86/mm/fault.c:1352 1 lock held by blkid/946: #0: (&mm->mmap_sem){++++}, at: [<00000000e14d32ff>] __do_page_fault+0x282/0xbb0 arch/x86/mm/fault.c:1352 1 lock held by blkid/947: #0: (&mm->mmap_sem){++++}, at: [<00000000e14d32ff>] __do_page_fault+0x282/0xbb0 arch/x86/mm/fault.c:1352 1 lock held by blkid/949: #0: (&mm->mmap_sem){++++}, at: [<00000000e14d32ff>] __do_page_fault+0x282/0xbb0 arch/x86/mm/fault.c:1352 1 lock held by blkid/950: #0: (&ei->i_mmap_sem){++++}, at: [<000000007c9467c9>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6178 1 lock held by blkid/951: #0: (&mm->mmap_sem){++++}, at: [<00000000e14d32ff>] __do_page_fault+0x282/0xbb0 arch/x86/mm/fault.c:1352 1 lock held by blkid/953: #0: (&mm->mmap_sem){++++}, at: [<00000000e14d32ff>] __do_page_fault+0x282/0xbb0 arch/x86/mm/fault.c:1352 1 lock held by blkid/957: #0: (&mm->mmap_sem){++++}, at: [<00000000e14d32ff>] __do_page_fault+0x282/0xbb0 arch/x86/mm/fault.c:1352 1 lock held by blkid/958: #0: (&mm->mmap_sem){++++}, at: [<00000000e14d32ff>] __do_page_fault+0x282/0xbb0 arch/x86/mm/fault.c:1352 1 lock held by blkid/959: #0: (&mm->mmap_sem){++++}, at: [<00000000e14d32ff>] __do_page_fault+0x282/0xbb0 arch/x86/mm/fault.c:1352 1 lock held by blkid/960: #0: (&mm->mmap_sem){++++}, at: [<00000000e14d32ff>] __do_page_fault+0x282/0xbb0 arch/x86/mm/fault.c:1352 1 lock held by blkid/961: #0: (&mm->mmap_sem){++++}, at: [<00000000e14d32ff>] __do_page_fault+0x282/0xbb0 arch/x86/mm/fault.c:1352 1 lock held by blkid/962: #0: (&ei->i_mmap_sem){++++}, at: [<000000007c9467c9>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6178 1 lock held by blkid/967: #0: (&mm->mmap_sem){++++}, at: [<00000000e14d32ff>] __do_page_fault+0x282/0xbb0 arch/x86/mm/fault.c:1352 [27323] 0 27323 18178 8717 26 3 0 0 syz-executor.2 1 lock held by blkid/968: #0: (&mm->mmap_sem){++++}, at: [<00000000e14d32ff>] __do_page_fault+0x282/0xbb0 arch/x86/mm/fault.c:1352 1 lock held by blkid/969: #0: (&mm->mmap_sem){++++}, at: [<00000000e14d32ff>] __do_page_fault+0x282/0xbb0 arch/x86/mm/fault.c:1352 1 lock held by blkid/970: #0: (&mm->mmap_sem){++++}, at: [<00000000e14d32ff>] __do_page_fault+0x282/0xbb0 arch/x86/mm/fault.c:1352 1 lock held by blkid/971: #0: (&mm->mmap_sem){++++}, at: [<00000000e14d32ff>] __do_page_fault+0x282/0xbb0 arch/x86/mm/fault.c:1352 1 lock held by blkid/972: #0: (&mm->mmap_sem){++++}, at: [<00000000e14d32ff>] __do_page_fault+0x282/0xbb0 arch/x86/mm/fault.c:1352 1 lock held by blkid/974: #0: (&mm->mmap_sem){++++}, at: [<00000000e14d32ff>] __do_page_fault+0x282/0xbb0 arch/x86/mm/fault.c:1352 1 lock held by blkid/975: #0: (&mm->mmap_sem){++++}, at: [<00000000e14d32ff>] __do_page_fault+0x282/0xbb0 arch/x86/mm/fault.c:1352 1 lock held by blkid/976: #0: (&ei->i_mmap_sem){++++}, at: [<000000007c9467c9>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6178 1 lock held by blkid/977: #0: (&mm->mmap_sem){++++}, at: [<00000000e14d32ff>] __do_page_fault+0x282/0xbb0 arch/x86/mm/fault.c:1352 1 lock held by blkid/978: #0: (&ei->i_mmap_sem){++++}, at: [<000000007c9467c9>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6178 1 lock held by blkid/979: #0: (&mm->mmap_sem){++++}, at: [<00000000e14d32ff>] __do_page_fault+0x282/0xbb0 arch/x86/mm/fault.c:1352 1 lock held by blkid/981: #0: (&mm->mmap_sem){++++}, at: [<00000000e14d32ff>] __do_page_fault+0x282/0xbb0 arch/x86/mm/fault.c:1352 1 lock held by blkid/982: #0: (&mm->mmap_sem){++++}, at: [<00000000e14d32ff>] __do_page_fault+0x282/0xbb0 arch/x86/mm/fault.c:1352 1 lock held by blkid/984: #0: (&mm->mmap_sem){++++}, at: [<00000000e14d32ff>] __do_page_fault+0x282/0xbb0 arch/x86/mm/fault.c:1352 1 lock held by blkid/985: #0: (&mm->mmap_sem){++++}, at: [<00000000e14d32ff>] __do_page_fault+0x282/0xbb0 arch/x86/mm/fault.c:1352 1 lock held by blkid/986: #0: (&mm->mmap_sem){++++}, at: [<00000000e14d32ff>] __do_page_fault+0x282/0xbb0 arch/x86/mm/fault.c:1352 1 lock held by blkid/987: #0: (&mm->mmap_sem){++++}, at: [<00000000e14d32ff>] __do_page_fault+0x282/0xbb0 arch/x86/mm/fault.c:1352 1 lock held by blkid/988: #0: (&mm->mmap_sem){++++}, at: [<00000000e14d32ff>] __do_page_fault+0x282/0xbb0 arch/x86/mm/fault.c:1352 1 lock held by blkid/989: #0: (&mm->mmap_sem){++++}, at: [<00000000e14d32ff>] __do_page_fault+0x282/0xbb0 arch/x86/mm/fault.c:1352 1 lock held by blkid/990: #0: (&ei->i_mmap_sem){++++}, at: [<000000007c9467c9>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6178 1 lock held by blkid/991: #0: (&mm->mmap_sem){++++}, at: [<00000000e14d32ff>] __do_page_fault+0x282/0xbb0 arch/x86/mm/fault.c:1352 1 lock held by blkid/992: #0: (&mm->mmap_sem){++++}, at: [<00000000e14d32ff>] __do_page_fault+0x282/0xbb0 arch/x86/mm/fault.c:1352 1 lock held by blkid/994: #0: (&mm->mmap_sem){++++}, at: [<00000000e14d32ff>] __do_page_fault+0x282/0xbb0 arch/x86/mm/fault.c:1352 1 lock held by blkid/995: #0: (&ei->i_mmap_sem){++++}, at: [<000000007c9467c9>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6178 1 lock held by blkid/996: #0: (&mm->mmap_sem){++++}, at: [<00000000e14d32ff>] __do_page_fault+0x282/0xbb0 arch/x86/mm/fault.c:1352 1 lock held by blkid/998: #0: (&mm->mmap_sem){++++}, at: [<00000000e14d32ff>] __do_page_fault+0x282/0xbb0 arch/x86/mm/fault.c:1352 1 lock held by blkid/999: #0: (&mm->mmap_sem){++++}, at: [<00000000e14d32ff>] __do_page_fault+0x282/0xbb0 arch/x86/mm/fault.c:1352 1 lock held by blkid/1000: #0: (&ei->i_mmap_sem){++++}, at: [<000000007c9467c9>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6178 1 lock held by blkid/1001: #0: (&mm->mmap_sem){++++}, at: [<00000000e14d32ff>] __do_page_fault+0x282/0xbb0 arch/x86/mm/fault.c:1352 1 lock held by blkid/1003: #0: (&mm->mmap_sem){++++}, at: [<00000000e14d32ff>] __do_page_fault+0x282/0xbb0 arch/x86/mm/fault.c:1352 1 lock held by blkid/1005: #0: (&mm->mmap_sem){++++}, at: [<00000000e14d32ff>] __do_page_fault+0x282/0xbb0 arch/x86/mm/fault.c:1352 1 lock held by blkid/1006: #0: (&mm->mmap_sem){++++}, at: [<00000000e14d32ff>] __do_page_fault+0x282/0xbb0 arch/x86/mm/fault.c:1352 1 lock held by blkid/1007: #0: (&mm->mmap_sem){++++}, at: [<00000000e14d32ff>] __do_page_fault+0x282/0xbb0 arch/x86/mm/fault.c:1352 1 lock held by blkid/1009: #0: (&mm->mmap_sem){++++}, at: [<00000000e14d32ff>] __do_page_fault+0x282/0xbb0 arch/x86/mm/fault.c:1352 1 lock held by blkid/1011: #0: (&ei->i_mmap_sem){++++}, at: [<000000007c9467c9>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6178 1 lock held by blkid/1012: #0: (&mm->mmap_sem){++++}, at: [<00000000e14d32ff>] __do_page_fault+0x282/0xbb0 arch/x86/mm/fault.c:1352 1 lock held by blkid/1013: #0: (&ei->i_mmap_sem){++++}, at: [<000000007c9467c9>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6178 1 lock held by blkid/1014: #0: (&ei->i_mmap_sem){++++}, at: [<000000007c9467c9>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6178 1 lock held by blkid/1015: #0: (&mm->mmap_sem){++++}, at: [<00000000e14d32ff>] __do_page_fault+0x282/0xbb0 arch/x86/mm/fault.c:1352 1 lock held by blkid/1017: #0: (&mm->mmap_sem){++++}, at: [<00000000e14d32ff>] __do_page_fault+0x282/0xbb0 arch/x86/mm/fault.c:1352 1 lock held by blkid/1020: #0: (&mm->mmap_sem){++++}, at: [<00000000e14d32ff>] __do_page_fault+0x282/0xbb0 arch/x86/mm/fault.c:1352 1 lock held by blkid/1021: #0: (&mm->mmap_sem){++++}, at: [<00000000e14d32ff>] __do_page_fault+0x282/0xbb0 arch/x86/mm/fault.c:1352 1 lock held by blkid/1022: #0: (&mm->mmap_sem){++++}, at: [<00000000e14d32ff>] __do_page_fault+0x282/0xbb0 arch/x86/mm/fault.c:1352 1 lock held by blkid/1023: #0: (&mm->mmap_sem){++++}, at: [<00000000e14d32ff>] __do_page_fault+0x282/0xbb0 arch/x86/mm/fault.c:1352 1 lock held by blkid/1024: #0: (&mm->mmap_sem){++++}, at: [<00000000e14d32ff>] __do_page_fault+0x282/0xbb0 arch/x86/mm/fault.c:1352 1 lock held by blkid/1025: #0: (&mm->mmap_sem){++++}, at: [<00000000e14d32ff>] __do_page_fault+0x282/0xbb0 arch/x86/mm/fault.c:1352 1 lock held by blkid/1027: #0: (&mm->mmap_sem){++++}, at: [<00000000e14d32ff>] __do_page_fault+0x282/0xbb0 arch/x86/mm/fault.c:1352 1 lock held by blkid/1028: #0: (&mm->mmap_sem){++++}, at: [<00000000e14d32ff>] __do_page_fault+0x282/0xbb0 arch/x86/mm/fault.c:1352 1 lock held by blkid/1030: #0: (&mm->mmap_sem){++++}, at: [<00000000e14d32ff>] __do_page_fault+0x282/0xbb0 arch/x86/mm/fault.c:1352 1 lock held by blkid/1031: #0: (&mm->mmap_sem){++++}, at: [<00000000e14d32ff>] __do_page_fault+0x282/0xbb0 arch/x86/mm/fault.c:1352 1 lock held by blkid/1032: #0: (&mm->mmap_sem){++++}, at: [<00000000e14d32ff>] __do_page_fault+0x282/0xbb0 arch/x86/mm/fault.c:1352 1 lock held by blkid/1033: #0: (&ei->i_mmap_sem){++++}, at: [<000000007c9467c9>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6178 1 lock held by blkid/1034: #0: (&mm->mmap_sem){++++}, at: [<00000000e14d32ff>] __do_page_fault+0x282/0xbb0 arch/x86/mm/fault.c:1352 1 lock held by blkid/1035: #0: (&mm->mmap_sem){++++}, at: [<00000000e14d32ff>] __do_page_fault+0x282/0xbb0 arch/x86/mm/fault.c:1352 1 lock held by blkid/1037: #0: (&ei->i_mmap_sem){++++} [27340] 0 27340 18277 8782 27 4 0 0 syz-executor.3 , at: [<000000007c9467c9>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6178 1 lock held by blkid/1038: #0: (&mm->mmap_sem){++++}, at: [<00000000e14d32ff>] __do_page_fault+0x282/0xbb0 arch/x86/mm/fault.c:1352 1 lock held by blkid/1039: #0: (&ei->i_mmap_sem){++++}, at: [<000000007c9467c9>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6178 1 lock held by blkid/1040: #0: (&mm->mmap_sem){++++}, at: [<00000000e14d32ff>] __do_page_fault+0x282/0xbb0 arch/x86/mm/fault.c:1352 1 lock held by blkid/1041: #0: (&mm->mmap_sem){++++}, at: [<00000000e14d32ff>] __do_page_fault+0x282/0xbb0 arch/x86/mm/fault.c:1352 1 lock held by blkid/1042: #0: (&mm->mmap_sem){++++}, at: [<00000000e14d32ff>] __do_page_fault+0x282/0xbb0 arch/x86/mm/fault.c:1352 1 lock held by blkid/1043: #0: (&ei->i_mmap_sem){++++}, at: [<000000007c9467c9>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6178 1 lock held by blkid/1044: #0: (&mm->mmap_sem){++++}, at: [<00000000e14d32ff>] __do_page_fault+0x282/0xbb0 arch/x86/mm/fault.c:1352 1 lock held by blkid/1045: #0: (&mm->mmap_sem){++++}, at: [<00000000e14d32ff>] __do_page_fault+0x282/0xbb0 arch/x86/mm/fault.c:1352 1 lock held by blkid/1046: #0: (&mm->mmap_sem){++++}, at: [<00000000e14d32ff>] __do_page_fault+0x282/0xbb0 arch/x86/mm/fault.c:1352 1 lock held by blkid/1047: #0: (&ei->i_mmap_sem){++++}, at: [<000000007c9467c9>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6178 1 lock held by blkid/1048: #0: (&mm->mmap_sem){++++}, at: [<00000000e14d32ff>] __do_page_fault+0x282/0xbb0 arch/x86/mm/fault.c:1352 1 lock held by blkid/1049: #0: (&mm->mmap_sem){++++}, at: [<00000000e14d32ff>] __do_page_fault+0x282/0xbb0 arch/x86/mm/fault.c:1352 1 lock held by blkid/1050: #0: (&mm->mmap_sem){++++}, at: [<00000000e14d32ff>] __do_page_fault+0x282/0xbb0 arch/x86/mm/fault.c:1352 1 lock held by blkid/1051: #0: (&mm->mmap_sem){++++}, at: [<00000000e14d32ff>] __do_page_fault+0x282/0xbb0 arch/x86/mm/fault.c:1352 1 lock held by blkid/1052: #0: (&mm->mmap_sem){++++}, at: [<00000000e14d32ff>] __do_page_fault+0x282/0xbb0 arch/x86/mm/fault.c:1352 1 lock held by blkid/1053: #0: (&ei->i_mmap_sem){++++}, at: [<000000007c9467c9>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6178 1 lock held by blkid/1054: #0: (&ei->i_mmap_sem){++++}, at: [<000000007c9467c9>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6178 1 lock held by blkid/1055: #0: (&mm->mmap_sem){++++}, at: [<00000000e14d32ff>] __do_page_fault+0x282/0xbb0 arch/x86/mm/fault.c:1352 1 lock held by blkid/1056: #0: (&mm->mmap_sem){++++}, at: [<00000000e14d32ff>] __do_page_fault+0x282/0xbb0 arch/x86/mm/fault.c:1352 1 lock held by blkid/1057: #0: (&mm->mmap_sem){++++}, at: [<00000000e14d32ff>] __do_page_fault+0x282/0xbb0 arch/x86/mm/fault.c:1352 1 lock held by blkid/1058: #0: (&mm->mmap_sem){++++}, at: [<00000000e14d32ff>] __do_page_fault+0x282/0xbb0 arch/x86/mm/fault.c:1352 1 lock held by blkid/1059: #0: (&mm->mmap_sem){++++}, at: [<00000000e14d32ff>] __do_page_fault+0x282/0xbb0 arch/x86/mm/fault.c:1352 1 lock held by blkid/1060: #0: (&mm->mmap_sem){++++}, at: [<00000000e14d32ff>] __do_page_fault+0x282/0xbb0 arch/x86/mm/fault.c:1352 1 lock held by blkid/1061: #0: (&mm->mmap_sem){++++}, at: [<00000000e14d32ff>] __do_page_fault+0x282/0xbb0 arch/x86/mm/fault.c:1352 1 lock held by blkid/1062: #0: (&ei->i_mmap_sem){++++}, at: [<000000007c9467c9>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6178 1 lock held by blkid/1063: #0: (&mm->mmap_sem){++++}, at: [<00000000e14d32ff>] __do_page_fault+0x282/0xbb0 arch/x86/mm/fault.c:1352 1 lock held by blkid/1064: #0: (&mm->mmap_sem){++++}, at: [<00000000e14d32ff>] __do_page_fault+0x282/0xbb0 arch/x86/mm/fault.c:1352 1 lock held by blkid/1065: #0: (&ei->i_mmap_sem){++++}, at: [<000000007c9467c9>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6178 1 lock held by blkid/1066: #0: (&mm->mmap_sem){++++}, at: [<00000000e14d32ff>] __do_page_fault+0x282/0xbb0 arch/x86/mm/fault.c:1352 1 lock held by blkid/1067: #0: (&mm->mmap_sem){++++}, at: [<00000000e14d32ff>] __do_page_fault+0x282/0xbb0 arch/x86/mm/fault.c:1352 1 lock held by blkid/1068: #0: (&mm->mmap_sem){++++}, at: [<00000000e14d32ff>] __do_page_fault+0x282/0xbb0 arch/x86/mm/fault.c:1352 1 lock held by blkid/1069: #0: (&mm->mmap_sem){++++}, at: [<00000000e14d32ff>] __do_page_fault+0x282/0xbb0 arch/x86/mm/fault.c:1352 1 lock held by blkid/1072: #0: (&mm->mmap_sem){++++}, at: [<00000000e14d32ff>] __do_page_fault+0x282/0xbb0 arch/x86/mm/fault.c:1352 1 lock held by blkid/1074: #0: (&mm->mmap_sem){++++}, at: [<00000000e14d32ff>] __do_page_fault+0x282/0xbb0 arch/x86/mm/fault.c:1352 1 lock held by blkid/1075: #0: (&mm->mmap_sem){++++}, at: [<00000000e14d32ff>] __do_page_fault+0x282/0xbb0 arch/x86/mm/fault.c:1352 1 lock held by blkid/1076: #0: (&mm->mmap_sem){++++}, at: [<00000000e14d32ff>] __do_page_fault+0x282/0xbb0 arch/x86/mm/fault.c:1352 1 lock held by blkid/1077: #0: (&mm->mmap_sem){++++}, at: [<00000000e14d32ff>] __do_page_fault+0x282/0xbb0 arch/x86/mm/fault.c:1352 1 lock held by blkid/1078: #0: (&mm->mmap_sem){++++}, at: [<00000000e14d32ff>] __do_page_fault+0x282/0xbb0 arch/x86/mm/fault.c:1352 1 lock held by blkid/1079: #0: (&mm->mmap_sem){++++}, at: [<00000000e14d32ff>] __do_page_fault+0x282/0xbb0 arch/x86/mm/fault.c:1352 1 lock held by blkid/1080: #0: (&mm->mmap_sem){++++}, at: [<00000000e14d32ff>] __do_page_fault+0x282/0xbb0 arch/x86/mm/fault.c:1352 1 lock held by blkid/1081: #0: (&mm->mmap_sem){++++}, at: [<00000000e14d32ff>] __do_page_fault+0x282/0xbb0 arch/x86/mm/fault.c:1352 1 lock held by blkid/1082: #0: (&mm->mmap_sem){++++}, at: [<00000000e14d32ff>] __do_page_fault+0x282/0xbb0 arch/x86/mm/fault.c:1352 1 lock held by blkid/1083: #0: (&mm->mmap_sem){++++}, at: [<00000000e14d32ff>] __do_page_fault+0x282/0xbb0 arch/x86/mm/fault.c:1352 1 lock held by blkid/1084: #0: (&mm->mmap_sem){++++}, at: [<00000000e14d32ff>] __do_page_fault+0x282/0xbb0 arch/x86/mm/fault.c:1352 1 lock held by blkid/1085: #0: (&mm->mmap_sem){++++}, at: [<00000000e14d32ff>] __do_page_fault+0x282/0xbb0 arch/x86/mm/fault.c:1352 1 lock held by blkid/1086: #0: (&ei->i_mmap_sem){++++}, at: [<000000007c9467c9>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6178 1 lock held by blkid/1089: #0: (&mm->mmap_sem){++++}, at: [<00000000e14d32ff>] __do_page_fault+0x282/0xbb0 arch/x86/mm/fault.c:1352 1 lock held by blkid/1092: #0: (&mm->mmap_sem){++++}, at: [<00000000e14d32ff>] __do_page_fault+0x282/0xbb0 arch/x86/mm/fault.c:1352 1 lock held by blkid/1093: #0: (&mm->mmap_sem){++++}, at: [<00000000e14d32ff>] __do_page_fault+0x282/0xbb0 arch/x86/mm/fault.c:1352 1 lock held by blkid/1095: #0: (&mm->mmap_sem){++++}, at: [<00000000e14d32ff>] __do_page_fault+0x282/0xbb0 arch/x86/mm/fault.c:1352 1 lock held by blkid/1097: #0: (&mm->mmap_sem){++++} [27373] 0 27373 18277 8782 27 4 0 0 syz-executor.3 , at: [<00000000e14d32ff>] __do_page_fault+0x282/0xbb0 arch/x86/mm/fault.c:1352 [27570] 0 27570 18145 8715 25 3 0 0 syz-executor.2 1 lock held by blkid/1098: #0: (&mm->mmap_sem){++++}, at: [<00000000e14d32ff>] __do_page_fault+0x282/0xbb0 arch/x86/mm/fault.c:1352 1 lock held by blkid/1136: #0: (&mm->mmap_sem){++++}, at: [<00000000e14d32ff>] __do_page_fault+0x282/0xbb0 arch/x86/mm/fault.c:1352 1 lock held by blkid/1167: #0: (&ei->i_mmap_sem){++++}, at: [<000000007c9467c9>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6178 ============================================= [27577] 0 27577 18145 8744 26 4 0 0 syz-executor.1 NMI backtrace for cpu 1 CPU: 1 PID: 23 Comm: khungtaskd Not tainted 4.14.134+ #23 [27581] 0 27581 18211 8749 27 4 0 0 syz-executor.1 Call Trace: __dump_stack lib/dump_stack.c:17 [inline] dump_stack+0xca/0x134 lib/dump_stack.c:53 [27595] 0 27595 18211 8719 25 3 0 0 syz-executor.2 [27665] 0 27665 18145 8713 24 3 0 0 syz-executor.2 nmi_cpu_backtrace.cold+0x47/0x86 lib/nmi_backtrace.c:101 [27721] 0 27721 18178 8715 25 3 0 0 syz-executor.2 [27794] 0 27794 18178 8746 26 4 0 0 syz-executor.1 [27848] 0 27848 18145 8744 26 4 0 0 syz-executor.3 Sending NMI from CPU 1 to CPUs 0: [27994] 0 27994 18145 8745 25 4 0 0 syz-executor.2 NMI backtrace for cpu 0 CPU: 0 PID: 1070 Comm: blkid Not tainted 4.14.134+ #23 task: 0000000056f6a816 task.stack: 000000003cecc082 RIP: 0010:lock_acquire+0x122/0x360 kernel/locking/lockdep.c:3991 RSP: 0000:ffff8881dba079b8 EFLAGS: 00000002 RAX: 0000000000000000 RBX: ffff8881c8a21780 RCX: 0000000000000002 RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffff846d3d20 RBP: ffffffff846d3d20 R08: 0000000000000000 R09: 0000000000000001 R10: 0000000000000000 R11: ffffffff84a2ca0b R12: 0000000000000000 R13: 0000000000000000 R14: 0000000000000002 R15: 0000000000000000 FS: 00007faa0c4f7740(0000) GS:ffff8881dba00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fed9bea12b8 CR3: 00000001780f6005 CR4: 00000000001606b0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000600 Call Trace: 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:ffff8881741d77d8 EFLAGS: 00000297 ORIG_RAX: ffffffffffffff10 RAX: 0000000000000007 RBX: 0000000000000297 RCX: 1ffff11039144409 RDX: 0000000000000000 RSI: ffff8881c8a22028 RDI: 0000000000000297 RBP: ffff8881741d7810 R08: 0000000000000001 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: 000000000000005b R13: 0000000000000000 R14: ffff8881741d7868 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: 24 41 89 d8 6a 00 44 89 ea 6a 00 48 89 ef 44 89 f1 44 89 e6 ff 74 24 60 41 57 65 48 8b 1c 25 c0 de 01 00 49 c1 e9 09 49 83 f1 01 <41> 83 e1 01 e8 85 a5 ff ff 48 8d bb 2c 08 00 00 48 b8 00 00 00