Dead loop on virtual device ip6_vti0, fix it urgently! INFO: task init:1 blocked for more than 140 seconds. Not tainted 4.9.128+ #41 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. init D23896 1 0 0x00000004 ffff8801da5f8000 0000000000000000 ffff8801d4858000 ffff8801da6b2f80 ffff8801db721018 ffff8801da607598 ffffffff8277ee02 ffff8801da5f8000 0000000000000000 0000000000000000 0000000000000000 ffff8801db7218f0 Call Trace: [] schedule+0x7f/0x1b0 kernel/sched/core.c:3553 [] wait_transaction_locked+0x1a5/0x230 fs/jbd2/transaction.c:163 [] add_transaction_credits+0x408/0x980 fs/jbd2/transaction.c:191 [] start_this_handle+0x340/0xe40 fs/jbd2/transaction.c:361 [] jbd2__journal_start+0x306/0x8b0 fs/jbd2/transaction.c:457 [] __ext4_journal_start_sb+0x10c/0x460 fs/ext4/ext4_jbd2.c:76 [] __ext4_journal_start fs/ext4/ext4_jbd2.h:318 [inline] [] ext4_dirty_inode+0x56/0xa0 fs/ext4/inode.c:5614 [] __mark_inode_dirty+0x10e/0x1090 fs/fs-writeback.c:2097 [] generic_update_time+0x1a5/0x270 fs/inode.c:1637 [] update_time fs/inode.c:1653 [inline] [] file_update_time+0x262/0x390 fs/inode.c:1864 [] __generic_file_write_iter+0x1ca/0x540 mm/filemap.c:2828 [] ext4_file_write_iter+0x63d/0xd70 fs/ext4/file.c:165 [] new_sync_write fs/read_write.c:496 [inline] [] __vfs_write+0x3d7/0x580 fs/read_write.c:509 [] vfs_write+0x187/0x520 fs/read_write.c:557 [] SYSC_write fs/read_write.c:604 [inline] [] SyS_write+0xd9/0x1c0 fs/read_write.c:596 [] do_syscall_64+0x19f/0x480 arch/x86/entry/common.c:282 [] entry_SYSCALL_64_after_swapgs+0x5d/0xdb Showing all locks held in the system: 2 locks held by init/1: #0: (sb_writers#4){.+.+.+}, at: [] file_start_write include/linux/fs.h:2640 [inline] #0: (sb_writers#4){.+.+.+}, at: [] vfs_write+0x3eb/0x520 fs/read_write.c:556 #1: (&sb->s_type->i_mutex_key#10){++++++}, at: [] inode_lock include/linux/fs.h:766 [inline] #1: (&sb->s_type->i_mutex_key#10){++++++}, at: [] ext4_file_write_iter+0x122/0xd70 fs/ext4/file.c:100 2 locks held by khungtaskd/24: #0: (rcu_read_lock){......}, at: [] check_hung_uninterruptible_tasks kernel/hung_task.c:168 [inline] #0: (rcu_read_lock){......}, at: [] watchdog+0x11c/0xa20 kernel/hung_task.c:239 #1: (tasklist_lock){.+.+..}, at: [] debug_show_all_locks+0x79/0x218 kernel/locking/lockdep.c:4336 3 locks held by rs:main Q:Reg/1896: #0: (&f->f_pos_lock){+.+.+.}, at: [] __fdget_pos+0xac/0xd0 fs/file.c:781 #1: (sb_writers#4){.+.+.+}, at: [] file_start_write include/linux/fs.h:2640 [inline] #1: (sb_writers#4){.+.+.+}, at: [] vfs_write+0x3eb/0x520 fs/read_write.c:556 #2: (&sb->s_type->i_mutex_key#10){++++++}, at: [] inode_lock include/linux/fs.h:766 [inline] #2: (&sb->s_type->i_mutex_key#10){++++++}, at: [] ext4_file_write_iter+0x122/0xd70 fs/ext4/file.c:100 2 locks held by getty/2027: #0: (&tty->ldisc_sem){++++++}, at: [] ldsem_down_read+0x32/0x40 drivers/tty/tty_ldsem.c:367 #1: (&ldata->atomic_read_lock){+.+.+.}, at: [] n_tty_read+0x202/0x16e0 drivers/tty/n_tty.c:2142 2 locks held by syz-executor5/2114: #0: (&type->i_mutex_dir_key){++++++}, at: [] inode_lock_shared include/linux/fs.h:776 [inline] #0: (&type->i_mutex_dir_key){++++++}, at: [] iterate_dir+0xc3/0x600 fs/readdir.c:39 #1: (sb_writers#4){.+.+.+}, at: [] sb_start_write_trylock include/linux/fs.h:1578 [inline] #1: (sb_writers#4){.+.+.+}, at: [] touch_atime+0x144/0x270 fs/inode.c:1710 3 locks held by syz-executor0/2115: #0: (sb_writers#4){.+.+.+}, at: [] sb_start_write include/linux/fs.h:1573 [inline] #0: (sb_writers#4){.+.+.+}, at: [] mnt_want_write+0x3f/0xb0 fs/namespace.c:391 #1: (&type->i_mutex_dir_key/1){+.+.+.}, at: [] inode_lock_nested include/linux/fs.h:801 [inline] #1: (&type->i_mutex_dir_key/1){+.+.+.}, at: [] do_unlinkat+0x29f/0x660 fs/namei.c:4067 #2: (&sb->s_type->i_mutex_key#10){++++++}, at: [] inode_lock include/linux/fs.h:766 [inline] #2: (&sb->s_type->i_mutex_key#10){++++++}, at: [] vfs_unlink2+0xcd/0x470 fs/namei.c:4001 4 locks held by kworker/u4:5/2420: #0: ("writeback"){++++.+}, at: [] process_one_work+0x6a0/0x1470 kernel/workqueue.c:2085 #1: ((&(&wb->dwork)->work)){+.+.+.}, at: [] process_one_work+0x6d8/0x1470 kernel/workqueue.c:2089 #2: (&type->s_umount_key#32){++++++}, at: [] trylock_super+0x20/0xf0 fs/super.c:393 #3: (&sbi->s_journal_flag_rwsem){++++.+}, at: [] do_writepages+0xef/0x1d0 mm/page-writeback.c:2331 1 lock held by syz-executor4/4776: #0: (sb_internal){.+.+..}, at: [] sb_start_intwrite include/linux/fs.h:1620 [inline] #0: (sb_internal){.+.+..}, at: [] ext4_evict_inode+0x3fd/0x1230 fs/ext4/inode.c:240 1 lock held by syz-executor2/4929: #0: (sb_internal){.+.+..}, at: [] sb_start_intwrite include/linux/fs.h:1620 [inline] #0: (sb_internal){.+.+..}, at: [] ext4_evict_inode+0x3fd/0x1230 fs/ext4/inode.c:240 1 lock held by syz-executor1/4935: #0: (sb_internal){.+.+..}, at: [] sb_start_intwrite include/linux/fs.h:1620 [inline] #0: (sb_internal){.+.+..}, at: [] ext4_evict_inode+0x3fd/0x1230 fs/ext4/inode.c:240 1 lock held by syz-executor4/4937: #0: (sb_internal){.+.+..}, at: [] sb_start_intwrite include/linux/fs.h:1620 [inline] #0: (sb_internal){.+.+..}, at: [] ext4_evict_inode+0x3fd/0x1230 fs/ext4/inode.c:240 1 lock held by syz-executor1/5129: #0: (sb_internal){.+.+..}, at: [] sb_start_intwrite include/linux/fs.h:1620 [inline] #0: (sb_internal){.+.+..}, at: [] ext4_evict_inode+0x3fd/0x1230 fs/ext4/inode.c:240 1 lock held by syz-executor4/5590: #0: (sb_internal){.+.+..}, at: [] sb_start_intwrite include/linux/fs.h:1620 [inline] #0: (sb_internal){.+.+..}, at: [] ext4_evict_inode+0x3fd/0x1230 fs/ext4/inode.c:240 1 lock held by syz-executor4/5599: #0: (sb_internal){.+.+..}, at: [] sb_start_intwrite include/linux/fs.h:1620 [inline] #0: (sb_internal){.+.+..}, at: [] ext4_evict_inode+0x3fd/0x1230 fs/ext4/inode.c:240 1 lock held by syz-executor4/5608: #0: (sb_internal){.+.+..}, at: [] sb_start_intwrite include/linux/fs.h:1620 [inline] #0: (sb_internal){.+.+..}, at: [] ext4_evict_inode+0x3fd/0x1230 fs/ext4/inode.c:240 1 lock held by syz-executor1/5655: #0: (sb_internal){.+.+..}, at: [] sb_start_intwrite include/linux/fs.h:1620 [inline] #0: (sb_internal){.+.+..}, at: [] ext4_evict_inode+0x3fd/0x1230 fs/ext4/inode.c:240 1 lock held by syz-executor3/5689: #0: (sb_internal){.+.+..}, at: [] sb_start_intwrite include/linux/fs.h:1620 [inline] #0: (sb_internal){.+.+..}, at: [] ext4_evict_inode+0x3fd/0x1230 fs/ext4/inode.c:240 1 lock held by syz-executor3/5758: #0: (sb_internal){.+.+..}, at: [] sb_start_intwrite include/linux/fs.h:1620 [inline] #0: (sb_internal){.+.+..}, at: [] ext4_evict_inode+0x3fd/0x1230 fs/ext4/inode.c:240 1 lock held by syz-executor1/5835: #0: (sb_internal){.+.+..}, at: [] sb_start_intwrite include/linux/fs.h:1620 [inline] #0: (sb_internal){.+.+..}, at: [] ext4_evict_inode+0x3fd/0x1230 fs/ext4/inode.c:240 1 lock held by syz-executor1/5855: #0: (sb_internal){.+.+..}, at: [] sb_start_intwrite include/linux/fs.h:1620 [inline] #0: (sb_internal){.+.+..}, at: [] ext4_evict_inode+0x3fd/0x1230 fs/ext4/inode.c:240 1 lock held by syz-executor1/5870: #0: (sb_internal){.+.+..}, at: [] sb_start_intwrite include/linux/fs.h:1620 [inline] #0: (sb_internal){.+.+..}, at: [] ext4_evict_inode+0x3fd/0x1230 fs/ext4/inode.c:240 1 lock held by syz-executor1/5883: #0: (sb_internal){.+.+..}, at: [] sb_start_intwrite include/linux/fs.h:1620 [inline] #0: (sb_internal){.+.+..}, at: [] ext4_evict_inode+0x3fd/0x1230 fs/ext4/inode.c:240 1 lock held by syz-executor1/6041: #0: (sb_internal){.+.+..}, at: [] sb_start_intwrite include/linux/fs.h:1620 [inline] #0: (sb_internal){.+.+..}, at: [] ext4_evict_inode+0x3fd/0x1230 fs/ext4/inode.c:240 1 lock held by syz-executor3/6061: #0: (sb_internal){.+.+..}, at: [] sb_start_intwrite include/linux/fs.h:1620 [inline] #0: (sb_internal){.+.+..}, at: [] ext4_evict_inode+0x3fd/0x1230 fs/ext4/inode.c:240 1 lock held by syz-executor4/6194: #0: (sb_internal){.+.+..}, at: [] sb_start_intwrite include/linux/fs.h:1620 [inline] #0: (sb_internal){.+.+..}, at: [] ext4_evict_inode+0x3fd/0x1230 fs/ext4/inode.c:240 1 lock held by syz-executor3/6616: #0: (sb_internal){.+.+..}, at: [] sb_start_intwrite include/linux/fs.h:1620 [inline] #0: (sb_internal){.+.+..}, at: [] ext4_evict_inode+0x3fd/0x1230 fs/ext4/inode.c:240 1 lock held by syz-executor3/6834: #0: (sb_internal){.+.+..}, at: [] sb_start_intwrite include/linux/fs.h:1620 [inline] #0: (sb_internal){.+.+..}, at: [] ext4_evict_inode+0x3fd/0x1230 fs/ext4/inode.c:240 1 lock held by syz-executor1/7040: #0: (sb_internal){.+.+..}, at: [] sb_start_intwrite include/linux/fs.h:1620 [inline] #0: (sb_internal){.+.+..}, at: [] ext4_evict_inode+0x3fd/0x1230 fs/ext4/inode.c:240 1 lock held by syz-executor1/7575: #0: (sb_internal){.+.+..}, at: [] sb_start_intwrite include/linux/fs.h:1620 [inline] #0: (sb_internal){.+.+..}, at: [] ext4_evict_inode+0x3fd/0x1230 fs/ext4/inode.c:240 1 lock held by syz-executor1/7672: #0: (sb_internal){.+.+..}, at: [] sb_start_intwrite include/linux/fs.h:1620 [inline] #0: (sb_internal){.+.+..}, at: [] ext4_evict_inode+0x3fd/0x1230 fs/ext4/inode.c:240 1 lock held by syz-executor1/8225: #0: (sb_internal){.+.+..}, at: [] sb_start_intwrite include/linux/fs.h:1620 [inline] #0: (sb_internal){.+.+..}, at: [] ext4_evict_inode+0x3fd/0x1230 fs/ext4/inode.c:240 1 lock held by syz-executor2/8273: #0: (sb_internal){.+.+..}, at: [] sb_start_intwrite include/linux/fs.h:1620 [inline] #0: (sb_internal){.+.+..}, at: [] ext4_evict_inode+0x3fd/0x1230 fs/ext4/inode.c:240 1 lock held by syz-executor4/9400: #0: (sb_internal){.+.+..}, at: [] sb_start_intwrite include/linux/fs.h:1620 [inline] #0: (sb_internal){.+.+..}, at: [] ext4_evict_inode+0x3fd/0x1230 fs/ext4/inode.c:240 1 lock held by syz-executor1/9503: #0: (sb_internal){.+.+..}, at: [] sb_start_intwrite include/linux/fs.h:1620 [inline] #0: (sb_internal){.+.+..}, at: [] ext4_evict_inode+0x3fd/0x1230 fs/ext4/inode.c:240 1 lock held by syz-executor1/9541: #0: (sb_internal){.+.+..}, at: [] sb_start_intwrite include/linux/fs.h:1620 [inline] #0: (sb_internal){.+.+..}, at: [] ext4_evict_inode+0x3fd/0x1230 fs/ext4/inode.c:240 1 lock held by syz-executor1/9564: #0: (sb_internal){.+.+..}, at: [] sb_start_intwrite include/linux/fs.h:1620 [inline] #0: (sb_internal){.+.+..}, at: [] ext4_evict_inode+0x3fd/0x1230 fs/ext4/inode.c:240 1 lock held by syz-executor1/9738: #0: (sb_internal){.+.+..}, at: [] sb_start_intwrite include/linux/fs.h:1620 [inline] #0: (sb_internal){.+.+..}, at: [] ext4_evict_inode+0x3fd/0x1230 fs/ext4/inode.c:240 1 lock held by syz-executor1/9798: #0: (sb_internal){.+.+..}, at: [] sb_start_intwrite include/linux/fs.h:1620 [inline] #0: (sb_internal){.+.+..}, at: [] ext4_evict_inode+0x3fd/0x1230 fs/ext4/inode.c:240 1 lock held by syz-executor4/9827: #0: (sb_internal){.+.+..}, at: [] sb_start_intwrite include/linux/fs.h:1620 [inline] #0: (sb_internal){.+.+..}, at: [] ext4_evict_inode+0x3fd/0x1230 fs/ext4/inode.c:240 1 lock held by syz-executor4/9981: #0: (sb_internal){.+.+..}, at: [] sb_start_intwrite include/linux/fs.h:1620 [inline] #0: (sb_internal){.+.+..}, at: [] ext4_evict_inode+0x3fd/0x1230 fs/ext4/inode.c:240 1 lock held by syz-executor4/10005: #0: (sb_internal){.+.+..}, at: [] sb_start_intwrite include/linux/fs.h:1620 [inline] #0: (sb_internal){.+.+..}, at: [] ext4_evict_inode+0x3fd/0x1230 fs/ext4/inode.c:240 1 lock held by syz-executor1/10328: #0: (sb_internal){.+.+..}, at: [] sb_start_intwrite include/linux/fs.h:1620 [inline] #0: (sb_internal){.+.+..}, at: [] ext4_evict_inode+0x3fd/0x1230 fs/ext4/inode.c:240 1 lock held by syz-executor4/10606: #0: (sb_internal){.+.+..}, at: [] sb_start_intwrite include/linux/fs.h:1620 [inline] #0: (sb_internal){.+.+..}, at: [] ext4_evict_inode+0x3fd/0x1230 fs/ext4/inode.c:240 1 lock held by syz-executor1/10797: #0: (sb_internal){.+.+..}, at: [] sb_start_intwrite include/linux/fs.h:1620 [inline] #0: (sb_internal){.+.+..}, at: [] ext4_evict_inode+0x3fd/0x1230 fs/ext4/inode.c:240 1 lock held by syz-executor1/10919: #0: (sb_internal){.+.+..}, at: [] sb_start_intwrite include/linux/fs.h:1620 [inline] #0: (sb_internal){.+.+..}, at: [] ext4_evict_inode+0x3fd/0x1230 fs/ext4/inode.c:240 1 lock held by syz-executor4/10977: #0: (sb_internal){.+.+..}, at: [] sb_start_intwrite include/linux/fs.h:1620 [inline] #0: (sb_internal){.+.+..}, at: [] ext4_evict_inode+0x3fd/0x1230 fs/ext4/inode.c:240 1 lock held by syz-executor4/11114: #0: (sb_internal){.+.+..}, at: [] sb_start_intwrite include/linux/fs.h:1620 [inline] #0: (sb_internal){.+.+..}, at: [] ext4_evict_inode+0x3fd/0x1230 fs/ext4/inode.c:240 1 lock held by syz-executor4/11157: #0: (sb_internal){.+.+..}, at: [] sb_start_intwrite include/linux/fs.h:1620 [inline] #0: (sb_internal){.+.+..}, at: [] ext4_evict_inode+0x3fd/0x1230 fs/ext4/inode.c:240 1 lock held by syz-executor1/11582: #0: (sb_internal){.+.+..}, at: [] sb_start_intwrite include/linux/fs.h:1620 [inline] #0: (sb_internal){.+.+..}, at: [] ext4_evict_inode+0x3fd/0x1230 fs/ext4/inode.c:240 1 lock held by syz-executor3/11801: #0: (sb_internal){.+.+..}, at: [] sb_start_intwrite include/linux/fs.h:1620 [inline] #0: (sb_internal){.+.+..}, at: [] ext4_evict_inode+0x3fd/0x1230 fs/ext4/inode.c:240 1 lock held by syz-executor4/11826: #0: (sb_internal){.+.+..}, at: [] sb_start_intwrite include/linux/fs.h:1620 [inline] #0: (sb_internal){.+.+..}, at: [] ext4_evict_inode+0x3fd/0x1230 fs/ext4/inode.c:240 1 lock held by syz-executor4/11925: #0: (sb_internal){.+.+..}, at: [] sb_start_intwrite include/linux/fs.h:1620 [inline] #0: (sb_internal){.+.+..}, at: [] ext4_evict_inode+0x3fd/0x1230 fs/ext4/inode.c:240 1 lock held by syz-executor3/12187: #0: (sb_internal){.+.+..}, at: [] sb_start_intwrite include/linux/fs.h:1620 [inline] #0: (sb_internal){.+.+..}, at: [] ext4_evict_inode+0x3fd/0x1230 fs/ext4/inode.c:240 1 lock held by syz-executor4/12192: #0: (sb_internal){.+.+..}, at: [] sb_start_intwrite include/linux/fs.h:1620 [inline] #0: (sb_internal){.+.+..}, at: [] ext4_evict_inode+0x3fd/0x1230 fs/ext4/inode.c:240 1 lock held by syz-executor1/12470: #0: (sb_internal){.+.+..}, at: [] sb_start_intwrite include/linux/fs.h:1620 [inline] #0: (sb_internal){.+.+..}, at: [] ext4_evict_inode+0x3fd/0x1230 fs/ext4/inode.c:240 1 lock held by syz-executor3/12496: #0: (sb_internal){.+.+..}, at: [] sb_start_intwrite include/linux/fs.h:1620 [inline] #0: (sb_internal){.+.+..}, at: [] ext4_evict_inode+0x3fd/0x1230 fs/ext4/inode.c:240 1 lock held by syz-executor4/12579: #0: (sb_internal){.+.+..}, at: [] sb_start_intwrite include/linux/fs.h:1620 [inline] #0: (sb_internal){.+.+..}, at: [] ext4_evict_inode+0x3fd/0x1230 fs/ext4/inode.c:240 1 lock held by syz-executor1/12641: #0: (sb_internal){.+.+..}, at: [] sb_start_intwrite include/linux/fs.h:1620 [inline] #0: (sb_internal){.+.+..}, at: [] ext4_evict_inode+0x3fd/0x1230 fs/ext4/inode.c:240 1 lock held by syz-executor1/12790: #0: (sb_internal){.+.+..}, at: [] sb_start_intwrite include/linux/fs.h:1620 [inline] #0: (sb_internal){.+.+..}, at: [] ext4_evict_inode+0x3fd/0x1230 fs/ext4/inode.c:240 1 lock held by syz-executor3/13107: #0: (sb_internal){.+.+..}, at: [] sb_start_intwrite include/linux/fs.h:1620 [inline] #0: (sb_internal){.+.+..}, at: [] ext4_evict_inode+0x3fd/0x1230 fs/ext4/inode.c:240 1 lock held by syz-executor3/13140: #0: (sb_internal){.+.+..}, at: [] sb_start_intwrite include/linux/fs.h:1620 [inline] #0: (sb_internal){.+.+..}, at: [] ext4_evict_inode+0x3fd/0x1230 fs/ext4/inode.c:240 1 lock held by syz-executor3/13188: #0: (sb_internal){.+.+..}, at: [] sb_start_intwrite include/linux/fs.h:1620 [inline] #0: (sb_internal){.+.+..}, at: [] ext4_evict_inode+0x3fd/0x1230 fs/ext4/inode.c:240 1 lock held by syz-executor4/13249: #0: (sb_internal){.+.+..}, at: [] sb_start_intwrite include/linux/fs.h:1620 [inline] #0: (sb_internal){.+.+..}, at: [] ext4_evict_inode+0x3fd/0x1230 fs/ext4/inode.c:240 1 lock held by syz-executor3/13259: #0: (sb_internal){.+.+..}, at: [] sb_start_intwrite include/linux/fs.h:1620 [inline] #0: (sb_internal){.+.+..}, at: [] ext4_evict_inode+0x3fd/0x1230 fs/ext4/inode.c:240 1 lock held by syz-executor3/13320: #0: (sb_internal){.+.+..}, at: [] sb_start_intwrite include/linux/fs.h:1620 [inline] #0: (sb_internal){.+.+..}, at: [] ext4_evict_inode+0x3fd/0x1230 fs/ext4/inode.c:240 1 lock held by syz-executor1/13334: #0: (sb_internal){.+.+..}, at: [] sb_start_intwrite include/linux/fs.h:1620 [inline] #0: (sb_internal){.+.+..}, at: [] ext4_evict_inode+0x3fd/0x1230 fs/ext4/inode.c:240 1 lock held by syz-executor3/13365: #0: (sb_internal){.+.+..}, at: [] sb_start_intwrite include/linux/fs.h:1620 [inline] #0: (sb_internal){.+.+..}, at: [] ext4_evict_inode+0x3fd/0x1230 fs/ext4/inode.c:240 1 lock held by syz-executor1/13408: #0: (sb_internal){.+.+..}, at: [] sb_start_intwrite include/linux/fs.h:1620 [inline] #0: (sb_internal){.+.+..}, at: [] ext4_evict_inode+0x3fd/0x1230 fs/ext4/inode.c:240 1 lock held by syz-executor1/13440: #0: (sb_internal){.+.+..}, at: [] sb_start_intwrite include/linux/fs.h:1620 [inline] #0: (sb_internal){.+.+..}, at: [] ext4_evict_inode+0x3fd/0x1230 fs/ext4/inode.c:240 1 lock held by syz-executor1/13587: #0: (sb_internal){.+.+..}, at: [] sb_start_intwrite include/linux/fs.h:1620 [inline] #0: (sb_internal){.+.+..}, at: [] ext4_evict_inode+0x3fd/0x1230 fs/ext4/inode.c:240 1 lock held by syz-executor3/13680: #0: (sb_internal){.+.+..}, at: [] sb_start_intwrite include/linux/fs.h:1620 [inline] #0: (sb_internal){.+.+..}, at: [] ext4_evict_inode+0x3fd/0x1230 fs/ext4/inode.c:240 1 lock held by syz-executor1/13764: #0: (sb_internal){.+.+..}, at: [] sb_start_intwrite include/linux/fs.h:1620 [inline] #0: (sb_internal){.+.+..}, at: [] ext4_evict_inode+0x3fd/0x1230 fs/ext4/inode.c:240 1 lock held by syz-executor4/13779: #0: (sb_internal){.+.+..}, at: [] sb_start_intwrite include/linux/fs.h:1620 [inline] #0: (sb_internal){.+.+..}, at: [] ext4_evict_inode+0x3fd/0x1230 fs/ext4/inode.c:240 1 lock held by syz-executor1/13810: #0: (sb_internal){.+.+..}, at: [] sb_start_intwrite include/linux/fs.h:1620 [inline] #0: (sb_internal){.+.+..}, at: [] ext4_evict_inode+0x3fd/0x1230 fs/ext4/inode.c:240 1 lock held by syz-executor1/14055: #0: (sb_internal){.+.+..}, at: [] sb_start_intwrite include/linux/fs.h:1620 [inline] #0: (sb_internal){.+.+..}, at: [] ext4_evict_inode+0x3fd/0x1230 fs/ext4/inode.c:240 1 lock held by syz-executor4/14062: #0: (sb_internal){.+.+..}, at: [] sb_start_intwrite include/linux/fs.h:1620 [inline] #0: (sb_internal){.+.+..}, at: [] ext4_evict_inode+0x3fd/0x1230 fs/ext4/inode.c:240 1 lock held by syz-executor3/14090: #0: (sb_internal){.+.+..}, at: [] sb_start_intwrite include/linux/fs.h:1620 [inline] #0: (sb_internal){.+.+..}, at: [] ext4_evict_inode+0x3fd/0x1230 fs/ext4/inode.c:240 1 lock held by syz-executor4/14096: #0: (sb_internal){.+.+..}, at: [] sb_start_intwrite include/linux/fs.h:1620 [inline] #0: (sb_internal){.+.+..}, at: [] ext4_evict_inode+0x3fd/0x1230 fs/ext4/inode.c:240 1 lock held by syz-executor3/14360: #0: (sb_internal){.+.+..}, at: [] sb_start_intwrite include/linux/fs.h:1620 [inline] #0: (sb_internal){.+.+..}, at: [] ext4_evict_inode+0x3fd/0x1230 fs/ext4/inode.c:240 1 lock held by syz-executor2/14373: #0: (sb_internal){.+.+..}, at: [] sb_start_intwrite include/linux/fs.h:1620 [inline] #0: (sb_internal){.+.+..}, at: [] ext4_evict_inode+0x3fd/0x1230 fs/ext4/inode.c:240 1 lock held by syz-executor1/14391: #0: (sb_internal){.+.+..}, at: [] sb_start_intwrite include/linux/fs.h:1620 [inline] #0: (sb_internal){.+.+..}, at: [] ext4_evict_inode+0x3fd/0x1230 fs/ext4/inode.c:240 1 lock held by syz-executor2/14443: #0: (sb_internal){.+.+..}, at: [] sb_start_intwrite include/linux/fs.h:1620 [inline] #0: (sb_internal){.+.+..}, at: [] ext4_evict_inode+0x3fd/0x1230 fs/ext4/inode.c:240 1 lock held by syz-executor3/14533: #0: (sb_internal){.+.+..}, at: [] sb_start_intwrite include/linux/fs.h:1620 [inline] #0: (sb_internal){.+.+..}, at: [] ext4_evict_inode+0x3fd/0x1230 fs/ext4/inode.c:240 1 lock held by syz-executor4/14545: #0: (sb_internal){.+.+..}, at: [] sb_start_intwrite include/linux/fs.h:1620 [inline] #0: (sb_internal){.+.+..}, at: [] ext4_evict_inode+0x3fd/0x1230 fs/ext4/inode.c:240 1 lock held by syz-executor3/14655: #0: (sb_internal){.+.+..}, at: [] sb_start_intwrite include/linux/fs.h:1620 [inline] #0: (sb_internal){.+.+..}, at: [] ext4_evict_inode+0x3fd/0x1230 fs/ext4/inode.c:240 1 lock held by syz-executor1/14704: #0: (sb_internal){.+.+..}, at: [] sb_start_intwrite include/linux/fs.h:1620 [inline] #0: (sb_internal){.+.+..}, at: [] ext4_evict_inode+0x3fd/0x1230 fs/ext4/inode.c:240 1 lock held by syz-executor3/14731: #0: (sb_internal){.+.+..}, at: [] sb_start_intwrite include/linux/fs.h:1620 [inline] #0: (sb_internal){.+.+..}, at: [] ext4_evict_inode+0x3fd/0x1230 fs/ext4/inode.c:240 1 lock held by syz-executor3/14742: #0: (sb_internal){.+.+..}, at: [] sb_start_intwrite include/linux/fs.h:1620 [inline] #0: (sb_internal){.+.+..}, at: [] ext4_evict_inode+0x3fd/0x1230 fs/ext4/inode.c:240 1 lock held by syz-executor1/15015: #0: (sb_internal){.+.+..}, at: [] sb_start_intwrite include/linux/fs.h:1620 [inline] #0: (sb_internal){.+.+..}, at: [] ext4_evict_inode+0x3fd/0x1230 fs/ext4/inode.c:240 1 lock held by syz-executor2/15058: #0: (sb_internal){.+.+..}, at: [] sb_start_intwrite include/linux/fs.h:1620 [inline] #0: (sb_internal){.+.+..}, at: [] ext4_evict_inode+0x3fd/0x1230 fs/ext4/inode.c:240 1 lock held by syz-executor1/15062: #0: (sb_internal){.+.+..}, at: [] sb_start_intwrite include/linux/fs.h:1620 [inline] #0: (sb_internal){.+.+..}, at: [] ext4_evict_inode+0x3fd/0x1230 fs/ext4/inode.c:240 1 lock held by syz-executor2/15132: #0: (sb_internal){.+.+..}, at: [] sb_start_intwrite include/linux/fs.h:1620 [inline] #0: (sb_internal){.+.+..}, at: [] ext4_evict_inode+0x3fd/0x1230 fs/ext4/inode.c:240 1 lock held by syz-executor1/15198: #0: (sb_internal){.+.+..}, at: [] sb_start_intwrite include/linux/fs.h:1620 [inline] #0: (sb_internal){.+.+..}, at: [] ext4_evict_inode+0x3fd/0x1230 fs/ext4/inode.c:240 1 lock held by syz-executor2/15285: #0: (sb_internal){.+.+..}, at: [] sb_start_intwrite include/linux/fs.h:1620 [inline] #0: (sb_internal){.+.+..}, at: [] ext4_evict_inode+0x3fd/0x1230 fs/ext4/inode.c:240 1 lock held by syz-executor3/15292: #0: (sb_internal){.+.+..}, at: [] sb_start_intwrite include/linux/fs.h:1620 [inline] #0: (sb_internal){.+.+..}, at: [] ext4_evict_inode+0x3fd/0x1230 fs/ext4/inode.c:240 1 lock held by syz-executor1/15332: #0: (sb_internal){.+.+..}, at: [] sb_start_intwrite include/linux/fs.h:1620 [inline] #0: (sb_internal){.+.+..}, at: [] ext4_evict_inode+0x3fd/0x1230 fs/ext4/inode.c:240 1 lock held by syz-executor3/15474: #0: (sb_internal){.+.+..}, at: [] sb_start_intwrite include/linux/fs.h:1620 [inline] #0: (sb_internal){.+.+..}, at: [] ext4_evict_inode+0x3fd/0x1230 fs/ext4/inode.c:240 1 lock held by syz-executor4/15602: #0: (sb_internal){.+.+..}, at: [] sb_start_intwrite include/linux/fs.h:1620 [inline] #0: (sb_internal){.+.+..}, at: [] ext4_evict_inode+0x3fd/0x1230 fs/ext4/inode.c:240 1 lock held by syz-executor2/15657: #0: (sb_internal){.+.+..}, at: [] sb_start_intwrite include/linux/fs.h:1620 [inline] #0: (sb_internal){.+.+..}, at: [] ext4_evict_inode+0x3fd/0x1230 fs/ext4/inode.c:240 1 lock held by syz-executor2/15680: #0: (sb_internal){.+.+..}, at: [] sb_start_intwrite include/linux/fs.h:1620 [inline] #0: (sb_internal){.+.+..}, at: [] ext4_evict_inode+0x3fd/0x1230 fs/ext4/inode.c:240 1 lock held by syz-executor1/15768: #0: (sb_internal){.+.+..}, at: [] sb_start_intwrite include/linux/fs.h:1620 [inline] #0: (sb_internal){.+.+..}, at: [] ext4_evict_inode+0x3fd/0x1230 fs/ext4/inode.c:240 1 lock held by syz-executor2/15858: #0: (sb_internal){.+.+..}, at: [] sb_start_intwrite include/linux/fs.h:1620 [inline] #0: (sb_internal){.+.+..}, at: [] ext4_evict_inode+0x3fd/0x1230 fs/ext4/inode.c:240 1 lock held by syz-executor4/15917: #0: (sb_internal){.+.+..}, at: [] sb_start_intwrite include/linux/fs.h:1620 [inline] #0: (sb_internal){.+.+..}, at: [] ext4_evict_inode+0x3fd/0x1230 fs/ext4/inode.c:240 1 lock held by syz-executor4/15953: #0: (sb_internal){.+.+..}, at: [] sb_start_intwrite include/linux/fs.h:1620 [inline] #0: (sb_internal){.+.+..}, at: [] ext4_evict_inode+0x3fd/0x1230 fs/ext4/inode.c:240 1 lock held by syz-executor3/16027: #0: (sb_internal){.+.+..}, at: [] sb_start_intwrite include/linux/fs.h:1620 [inline] #0: (sb_internal){.+.+..}, at: [] ext4_evict_inode+0x3fd/0x1230 fs/ext4/inode.c:240 1 lock held by syz-executor4/16158: #0: (sb_internal){.+.+..}, at: [] sb_start_intwrite include/linux/fs.h:1620 [inline] #0: (sb_internal){.+.+..}, at: [] ext4_evict_inode+0x3fd/0x1230 fs/ext4/inode.c:240 1 lock held by syz-executor1/16171: #0: (sb_internal){.+.+..}, at: [] sb_start_intwrite include/linux/fs.h:1620 [inline] #0: (sb_internal){.+.+..}, at: [] ext4_evict_inode+0x3fd/0x1230 fs/ext4/inode.c:240 1 lock held by syz-executor2/16433: #0: (sb_internal){.+.+..}, at: [] sb_start_intwrite include/linux/fs.h:1620 [inline] #0: (sb_internal){.+.+..}, at: [] ext4_evict_inode+0x3fd/0x1230 fs/ext4/inode.c:240 1 lock held by syz-executor4/16749: #0: (sb_internal){.+.+..}, at: [] sb_start_intwrite include/linux/fs.h:1620 [inline] #0: (sb_internal){.+.+..}, at: [] ext4_evict_inode+0x3fd/0x1230 fs/ext4/inode.c:240 1 lock held by syz-executor3/16996: #0: (sb_internal){.+.+..}, at: [] sb_start_intwrite include/linux/fs.h:1620 [inline] #0: (sb_internal){.+.+..}, at: [] ext4_evict_inode+0x3fd/0x1230 fs/ext4/inode.c:240 1 lock held by syz-executor1/17138: #0: (sb_internal){.+.+..}, at: [] sb_start_intwrite include/linux/fs.h:1620 [inline] #0: (sb_internal){.+.+..}, at: [] ext4_evict_inode+0x3fd/0x1230 fs/ext4/inode.c:240 1 lock held by syz-executor4/17195: #0: (sb_internal){.+.+..}, at: [] sb_start_intwrite include/linux/fs.h:1620 [inline] #0: (sb_internal){.+.+..}, at: [] ext4_evict_inode+0x3fd/0x1230 fs/ext4/inode.c:240 1 lock held by syz-executor4/17227: #0: (sb_internal){.+.+..}, at: [] sb_start_intwrite include/linux/fs.h:1620 [inline] #0: (sb_internal){.+.+..}, at: [] ext4_evict_inode+0x3fd/0x1230 fs/ext4/inode.c:240 1 lock held by syz-executor3/17297: #0: (sb_internal){.+.+..}, at: [] sb_start_intwrite include/linux/fs.h:1620 [inline] #0: (sb_internal){.+.+..}, at: [] ext4_evict_inode+0x3fd/0x1230 fs/ext4/inode.c:240 1 lock held by syz-executor3/17309: #0: (sb_internal){.+.+..}, at: [] sb_start_intwrite include/linux/fs.h:1620 [inline] #0: (sb_internal){.+.+..}, at: [] ext4_evict_inode+0x3fd/0x1230 fs/ext4/inode.c:240 1 lock held by syz-executor4/17396: #0: (sb_internal){.+.+..}, at: [] sb_start_intwrite include/linux/fs.h:1620 [inline] #0: (sb_internal){.+.+..}, at: [] ext4_evict_inode+0x3fd/0x1230 fs/ext4/inode.c:240 1 lock held by syz-executor4/17413: #0: (sb_internal){.+.+..}, at: [] sb_start_intwrite include/linux/fs.h:1620 [inline] #0: (sb_internal){.+.+..}, at: [] ext4_evict_inode+0x3fd/0x1230 fs/ext4/inode.c:240 1 lock held by syz-executor2/17459: #0: (sb_internal){.+.+..}, at: [] sb_start_intwrite include/linux/fs.h:1620 [inline] #0: (sb_internal){.+.+..}, at: [] ext4_evict_inode+0x3fd/0x1230 fs/ext4/inode.c:240 1 lock held by syz-executor2/17491: #0: (sb_internal){.+.+..}, at: [] sb_start_intwrite include/linux/fs.h:1620 [inline] #0: (sb_internal){.+.+..}, at: [] ext4_evict_inode+0x3fd/0x1230 fs/ext4/inode.c:240 1 lock held by syz-executor1/17539: #0: (sb_internal){.+.+..}, at: [] sb_start_intwrite include/linux/fs.h:1620 [inline] #0: (sb_internal){.+.+..}, at: [] ext4_evict_inode+0x3fd/0x1230 fs/ext4/inode.c:240 1 lock held by syz-executor3/17699: #0: (sb_internal){.+.+..}, at: [] sb_start_intwrite include/linux/fs.h:1620 [inline] #0: (sb_internal){.+.+..}, at: [] ext4_evict_inode+0x3fd/0x1230 fs/ext4/inode.c:240 1 lock held by syz-executor1/17734: #0: (sb_internal){.+.+..}, at: [] sb_start_intwrite include/linux/fs.h:1620 [inline] #0: (sb_internal){.+.+..}, at: [] ext4_evict_inode+0x3fd/0x1230 fs/ext4/inode.c:240 1 lock held by syz-executor4/17756: #0: (sb_internal){.+.+..}, at: [] sb_start_intwrite include/linux/fs.h:1620 [inline] #0: (sb_internal){.+.+..}, at: [] ext4_evict_inode+0x3fd/0x1230 fs/ext4/inode.c:240 1 lock held by syz-executor4/17785: #0: (sb_internal){.+.+..}, at: [] sb_start_intwrite include/linux/fs.h:1620 [inline] #0: (sb_internal){.+.+..}, at: [] ext4_evict_inode+0x3fd/0x1230 fs/ext4/inode.c:240 1 lock held by syz-executor3/17959: #0: (sb_internal){.+.+..}, at: [] sb_start_intwrite include/linux/fs.h:1620 [inline] #0: (sb_internal){.+.+..}, at: [] ext4_evict_inode+0x3fd/0x1230 fs/ext4/inode.c:240 1 lock held by syz-executor3/18197: #0: (sb_internal){.+.+..}, at: [] sb_start_intwrite include/linux/fs.h:1620 [inline] #0: (sb_internal){.+.+..}, at: [] ext4_evict_inode+0x3fd/0x1230 fs/ext4/inode.c:240 1 lock held by syz-executor1/18274: #0: (sb_internal){.+.+..}, at: [] sb_start_intwrite include/linux/fs.h:1620 [inline] #0: (sb_internal){.+.+..}, at: [] ext4_evict_inode+0x3fd/0x1230 fs/ext4/inode.c:240 1 lock held by syz-executor3/18453: #0: (sb_internal){.+.+..}, at: [] sb_start_intwrite include/linux/fs.h:1620 [inline] #0: (sb_internal){.+.+..}, at: [] ext4_evict_inode+0x3fd/0x1230 fs/ext4/inode.c:240 1 lock held by syz-executor1/18509: #0: (sb_internal){.+.+..}, at: [] sb_start_intwrite include/linux/fs.h:1620 [inline] #0: (sb_internal){.+.+..}, at: [] ext4_evict_inode+0x3fd/0x1230 fs/ext4/inode.c:240 1 lock held by syz-executor4/18713: #0: (sb_internal){.+.+..}, at: [] sb_start_intwrite include/linux/fs.h:1620 [inline] #0: (sb_internal){.+.+..}, at: [] ext4_evict_inode+0x3fd/0x1230 fs/ext4/inode.c:240 1 lock held by syz-executor1/18799: #0: (sb_internal){.+.+..}, at: [] sb_start_intwrite include/linux/fs.h:1620 [inline] #0: (sb_internal){.+.+..}, at: [] ext4_evict_inode+0x3fd/0x1230 fs/ext4/inode.c:240 1 lock held by syz-executor1/18813: #0: (sb_internal){.+.+..}, at: [] sb_start_intwrite include/linux/fs.h:1620 [inline] #0: (sb_internal){.+.+..}, at: [] ext4_evict_inode+0x3fd/0x1230 fs/ext4/inode.c:240 1 lock held by syz-executor1/18862: #0: (sb_internal){.+.+..}, at: [] sb_start_intwrite include/linux/fs.h:1620 [inline] #0: (sb_internal){.+.+..}, at: [] ext4_evict_inode+0x3fd/0x1230 fs/ext4/inode.c:240 1 lock held by syz-executor1/19127: #0: (sb_internal){.+.+..}, at: [] sb_start_intwrite include/linux/fs.h:1620 [inline] #0: (sb_internal){.+.+..}, at: [] ext4_evict_inode+0x3fd/0x1230 fs/ext4/inode.c:240 1 lock held by syz-executor1/19159: #0: (sb_internal){.+.+..}, at: [] sb_start_intwrite include/linux/fs.h:1620 [inline] #0: (sb_internal){.+.+..}, at: [] ext4_evict_inode+0x3fd/0x1230 fs/ext4/inode.c:240 1 lock held by syz-executor2/19317: #0: (sb_internal){.+.+..}, at: [] sb_start_intwrite include/linux/fs.h:1620 [inline] #0: (sb_internal){.+.+..}, at: [] ext4_evict_inode+0x3fd/0x1230 fs/ext4/inode.c:240 1 lock held by syz-executor4/19318: #0: (sb_internal){.+.+..}, at: [] sb_start_intwrite include/linux/fs.h:1620 [inline] #0: (sb_internal){.+.+..}, at: [] ext4_evict_inode+0x3fd/0x1230 fs/ext4/inode.c:240 1 lock held by syz-executor1/19417: #0: (sb_internal){.+.+..}, at: [] sb_start_intwrite include/linux/fs.h:1620 [inline] #0: (sb_internal){.+.+..}, at: [] ext4_evict_inode+0x3fd/0x1230 fs/ext4/inode.c:240 1 lock held by syz-executor1/19597: #0: (sb_internal){.+.+..}, at: [] sb_start_intwrite include/linux/fs.h:1620 [inline] #0: (sb_internal){.+.+..}, at: [] ext4_evict_inode+0x3fd/0x1230 fs/ext4/inode.c:240 1 lock held by syz-executor1/19657: #0: (sb_internal){.+.+..}, at: [] sb_start_intwrite include/linux/fs.h:1620 [inline] #0: (sb_internal){.+.+..}, at: [] ext4_evict_inode+0x3fd/0x1230 fs/ext4/inode.c:240 1 lock held by syz-executor1/19700: #0: (sb_internal){.+.+..}, at: [] sb_start_intwrite include/linux/fs.h:1620 [inline] #0: (sb_internal){.+.+..}, at: [] ext4_evict_inode+0x3fd/0x1230 fs/ext4/inode.c:240 1 lock held by syz-executor1/20132: #0: (sb_internal){.+.+..}, at: [] sb_start_intwrite include/linux/fs.h:1620 [inline] #0: (sb_internal){.+.+..}, at: [] ext4_evict_inode+0x3fd/0x1230 fs/ext4/inode.c:240 1 lock held by syz-executor1/20346: #0: (sb_internal){.+.+..}, at: [] sb_start_intwrite include/linux/fs.h:1620 [inline] #0: (sb_internal){.+.+..}, at: [] ext4_evict_inode+0x3fd/0x1230 fs/ext4/inode.c:240 1 lock held by syz-executor1/20364: #0: (sb_internal){.+.+..}, at: [] sb_start_intwrite include/linux/fs.h:1620 [inline] #0: (sb_internal){.+.+..}, at: [] ext4_evict_inode+0x3fd/0x1230 fs/ext4/inode.c:240 1 lock held by syz-executor2/20429: #0: (sb_internal){.+.+..}, at: [] sb_start_intwrite include/linux/fs.h:1620 [inline] #0: (sb_internal){.+.+..}, at: [] ext4_evict_inode+0x3fd/0x1230 fs/ext4/inode.c:240 1 lock held by syz-executor1/20524: #0: (sb_internal){.+.+..}, at: [] sb_start_intwrite include/linux/fs.h:1620 [inline] #0: (sb_internal){.+.+..}, at: [] ext4_evict_inode+0x3fd/0x1230 fs/ext4/inode.c:240 1 lock held by syz-executor1/20739: #0: (sb_internal){.+.+..}, at: [] sb_start_intwrite include/linux/fs.h:1620 [inline] #0: (sb_internal){.+.+..}, at: [] ext4_evict_inode+0x3fd/0x1230 fs/ext4/inode.c:240 1 lock held by syz-executor1/20764: #0: (sb_internal){.+.+..}, at: [] sb_start_intwrite include/linux/fs.h:1620 [inline] #0: (sb_internal){.+.+..}, at: [] ext4_evict_inode+0x3fd/0x1230 fs/ext4/inode.c:240 1 lock held by syz-executor1/21706: #0: (sb_internal){.+.+..}, at: [] sb_start_intwrite include/linux/fs.h:1620 [inline] #0: (sb_internal){.+.+..}, at: [] ext4_evict_inode+0x3fd/0x1230 fs/ext4/inode.c:240 1 lock held by syz-executor3/24323: #0: (sb_internal){.+.+..}, at: [] sb_start_intwrite include/linux/fs.h:1620 [inline] #0: (sb_internal){.+.+..}, at: [] ext4_evict_inode+0x3fd/0x1230 fs/ext4/inode.c:240 1 lock held by syz-executor3/24365: #0: (sb_internal){.+.+..}, at: [] sb_start_intwrite include/linux/fs.h:1620 [inline] #0: (sb_internal){.+.+..}, at: [] ext4_evict_inode+0x3fd/0x1230 fs/ext4/inode.c:240 1 lock held by syz-executor3/24440: #0: (sb_internal){.+.+..}, at: [] sb_start_intwrite include/linux/fs.h:1620 [inline] #0: (sb_internal){.+.+..}, at: [] ext4_evict_inode+0x3fd/0x1230 fs/ext4/inode.c:240 1 lock held by syz-executor3/25038: #0: (sb_internal){.+.+..}, at: [] sb_start_intwrite include/linux/fs.h:1620 [inline] #0: (sb_internal){.+.+..}, at: [] ext4_evict_inode+0x3fd/0x1230 fs/ext4/inode.c:240 1 lock held by syz-executor3/25045: #0: (sb_internal){.+.+..}, at: [] sb_start_intwrite include/linux/fs.h:1620 [inline] #0: (sb_internal){.+.+..}, at: [] ext4_evict_inode+0x3fd/0x1230 fs/ext4/inode.c:240 1 lock held by syz-executor2/25572: #0: (sb_internal){.+.+..}, at: [] sb_start_intwrite include/linux/fs.h:1620 [inline] #0: (sb_internal){.+.+..}, at: [] ext4_evict_inode+0x3fd/0x1230 fs/ext4/inode.c:240 2 locks held by syz-executor1/26019: #0: (&mm->mmap_sem){++++++}, at: [] __do_page_fault+0x272/0xa60 arch/x86/mm/fault.c:1335 #1: (sb_pagefaults){.+.+..}, at: [] sb_start_pagefault include/linux/fs.h:1602 [inline] #1: (sb_pagefaults){.+.+..}, at: [] ext4_page_mkwrite+0x154/0xfe0 fs/ext4/inode.c:5764 2 locks held by syz-executor3/26032: #0: (&mm->mmap_sem){++++++}, at: [] __do_page_fault+0x272/0xa60 arch/x86/mm/fault.c:1335 #1: (sb_pagefaults){.+.+..}, at: [] sb_start_pagefault include/linux/fs.h:1602 [inline] #1: (sb_pagefaults){.+.+..}, at: [] ext4_page_mkwrite+0x154/0xfe0 fs/ext4/inode.c:5764 2 locks held by syz-executor2/26034: #0: (&mm->mmap_sem){++++++}, at: [] __do_page_fault+0x272/0xa60 arch/x86/mm/fault.c:1335 #1: (sb_pagefaults){.+.+..}, at: [] sb_start_pagefault include/linux/fs.h:1602 [inline] #1: (sb_pagefaults){.+.+..}, at: [] ext4_page_mkwrite+0x154/0xfe0 fs/ext4/inode.c:5764 2 locks held by syz-executor4/26036: #0: (&mm->mmap_sem){++++++}, at: [] __do_page_fault+0x272/0xa60 arch/x86/mm/fault.c:1335 #1: (sb_pagefaults){.+.+..}, at: [] sb_start_pagefault include/linux/fs.h:1602 [inline] #1: (sb_pagefaults){.+.+..}, at: [] ext4_page_mkwrite+0x154/0xfe0 fs/ext4/inode.c:5764 ============================================= NMI backtrace for cpu 1 CPU: 1 PID: 24 Comm: khungtaskd Not tainted 4.9.128+ #41 ffff8801d9907d08 ffffffff81af2469 0000000000000000 0000000000000001 0000000000000001 0000000000000001 ffffffff810967d0 ffff8801d9907d40 ffffffff81afd1c9 0000000000000001 0000000000000000 0000000000000003 Call Trace: [] __dump_stack lib/dump_stack.c:15 [inline] [] dump_stack+0xc1/0x128 lib/dump_stack.c:51 [] nmi_cpu_backtrace.cold.0+0x48/0x87 lib/nmi_backtrace.c:99 [] nmi_trigger_cpumask_backtrace+0x12c/0x151 lib/nmi_backtrace.c:60 [] arch_trigger_cpumask_backtrace+0x14/0x20 arch/x86/kernel/apic/hw_nmi.c:37 [] trigger_all_cpu_backtrace include/linux/nmi.h:58 [inline] [] check_hung_task kernel/hung_task.c:125 [inline] [] check_hung_uninterruptible_tasks kernel/hung_task.c:182 [inline] [] watchdog+0x6ad/0xa20 kernel/hung_task.c:239 [] kthread+0x26d/0x300 kernel/kthread.c:211 [] ret_from_fork+0x5c/0x70 arch/x86/entry/entry_64.S:373 Sending NMI from CPU 1 to CPUs 0: NMI backtrace for cpu 0 CPU: 0 PID: 26041 Comm: syz-executor2 Not tainted 4.9.128+ #41 task: ffff8801c9fa17c0 task.stack: ffff8801a6d90000 RIP: 0010:[] c [] __read_once_size include/linux/compiler.h:243 [inline] RIP: 0010:[] c [] __sanitizer_cov_trace_pc+0x3b/0x50 kernel/kcov.c:105 RSP: 0018:ffff8801a6d97668 EFLAGS: 00000246 RAX: 0000000000040000 RBX: ffff8801c9af9f00 RCX: ffffc9000332c000 RDX: 000000000003ffff RSI: ffffffff817489e3 RDI: ffff8801c9af9f00 RBP: ffff8801a6d97668 R08: 000000000000000c R09: ffff8801a6d97390 R10: ffffed0034db2e65 R11: ffff8801a6d9732f R12: 000000007e36cf86 R13: ffff8801a6d978f8 R14: ffff8801a059a230 R15: 0000000000008002 FS: 00007fb5d05cb700(0000) GS:ffff8801db600000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00000000007b7218 CR3: 00000001c7ee2000 CR4: 00000000001606b0 DR0: 00000000200000c0 DR1: 00000000200000c0 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000600 Stack: ffff8801a6d976a0c ffffffff817489e3c ffff8801c9af9f00c 000000007e36cf86c ffff8801a6d978f8c ffff8801a059a230c 0000000000008002c ffff8801a6d97760c ffffffff8178dbb0c 0000000000000000c 1ffff10034db2edbc ffff8801a059a046c Call Trace: [] ext4_ext_drop_refs+0x23/0xe0 fs/ext4/extents.c:729 [] mext_check_coverage.constprop.2+0x230/0x400 fs/ext4/move_extent.c:113 [] move_extent_per_page fs/ext4/move_extent.c:333 [inline] [] ext4_move_extents+0x17bb/0x2a50 fs/ext4/move_extent.c:681 [] ext4_ioctl+0x27fc/0x3620 fs/ext4/ioctl.c:594 [] vfs_ioctl fs/ioctl.c:43 [inline] [] file_ioctl fs/ioctl.c:493 [inline] [] do_vfs_ioctl+0x1ac/0x11a0 fs/ioctl.c:677 [] SYSC_ioctl fs/ioctl.c:694 [inline] [] SyS_ioctl+0x8f/0xc0 fs/ioctl.c:685 [] do_syscall_64+0x19f/0x480 arch/x86/entry/common.c:282 [] entry_SYSCALL_64_after_swapgs+0x5d/0xdb Code: c3c ce3 cd0 c7e c81 ce2 c00 c01 c1f c00 c48 c8b c75 c08 c75 c2b c8b c90 c38 c12 c00 c00 c83 cfa c02 c75 c20 c48 c8b c88 c40 c12 c00 c00 c8b c80 c3c c12 c00 c00 c48 c8b c11 c<48> c83 cc2 c01 c48 c39 cd0 c76 c07 c48 c89 c34 cd1 c48 c89 c11 c5d cc3 c0f c1f c00 c