[11957] 0 11953 18178 1 27 4 0 1000 syz-executor.5 [11962] 0 11962 18112 8704 24 3 0 0 syz-executor.2 Out of memory: Kill process 1894 (syz-executor.3) score 1004 or sacrifice child Killed process 1894 (syz-executor.3) total-vm:72448kB, anon-rss:172kB, file-rss:34692kB, shmem-rss:0kB INFO: task rs:main Q:Reg:1911 blocked for more than 140 seconds. Not tainted 4.9.170+ #48 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. rs:main Q:Reg D25336 1911 1 0x00000000 ffff8801d4a30000 0000000000000000 ffff8801db621000 ffff8801c6b6c740 ffff8801db621018 ffff8801d3887400 ffffffff82801a4e 000060fe24618d18 1ffff1003a710e77 0000000000000000 ffff8801db6218f0 1ffff1003a710e6f Call Trace: [<000000005cef593b>] schedule+0x92/0x1c0 kernel/sched/core.c:3546 [<000000005c68bf4f>] schedule_timeout+0x766/0xe50 kernel/time/timer.c:1771 [<00000000d04c02fa>] io_schedule_timeout+0x1ba/0x390 kernel/sched/core.c:5171 [<00000000210f9fef>] io_schedule include/linux/sched.h:432 [inline] [<00000000210f9fef>] wait_on_page_bit_common mm/filemap.c:910 [inline] [<00000000210f9fef>] __lock_page+0x314/0x6c0 mm/filemap.c:1062 [<00000000eb348d67>] lock_page include/linux/pagemap.h:463 [inline] [<00000000eb348d67>] pagecache_get_page+0x36f/0x740 mm/filemap.c:1344 [<0000000081311970>] grab_cache_page_write_begin+0x6b/0xa0 mm/filemap.c:2883 [<0000000092816759>] ext4_da_write_begin+0x249/0x1080 fs/ext4/inode.c:2959 [<00000000b08461d8>] generic_perform_write+0x24a/0x500 mm/filemap.c:2939 [<00000000268bb616>] __generic_file_write_iter+0x340/0x530 mm/filemap.c:3064 [<000000002281fbdb>] ext4_file_write_iter+0x66e/0xdd0 fs/ext4/file.c:165 [<0000000024a93477>] new_sync_write fs/read_write.c:498 [inline] [<0000000024a93477>] __vfs_write+0x3c1/0x560 fs/read_write.c:511 [<000000008f17fb8c>] vfs_write+0x185/0x520 fs/read_write.c:559 [<000000008dc3ffdb>] SYSC_write fs/read_write.c:606 [inline] [<000000008dc3ffdb>] SyS_write+0xdc/0x1c0 fs/read_write.c:598 [<00000000990a4f12>] do_syscall_64+0x1ad/0x570 arch/x86/entry/common.c:285 [<0000000046934b90>] entry_SYSCALL_64_after_swapgs+0x5d/0xdb Showing all locks held in the system: 2 locks held by khungtaskd/24: #0: (rcu_read_lock){......}, at: [<00000000f9656ccd>] check_hung_uninterruptible_tasks kernel/hung_task.c:169 [inline] #0: (rcu_read_lock){......}, at: [<00000000f9656ccd>] watchdog+0x14b/0xaf0 kernel/hung_task.c:263 #1: (tasklist_lock){.+.+..}, at: [<00000000ce2d6a29>] debug_show_all_locks+0x7f/0x21f kernel/locking/lockdep.c:4339 3 locks held by rs:main Q:Reg/1911: #0: (&f->f_pos_lock){+.+.+.}, at: [<0000000039f50cf3>] __fdget_pos+0xa8/0xd0 fs/file.c:782 #1: (sb_writers#4){.+.+.+}, at: [<00000000451bb789>] file_start_write include/linux/fs.h:2642 [inline] #1: (sb_writers#4){.+.+.+}, at: [<00000000451bb789>] vfs_write+0x3e9/0x520 fs/read_write.c:558 #2: (&sb->s_type->i_mutex_key#9){+.+.+.}, at: [<00000000c363358a>] inode_lock include/linux/fs.h:768 [inline] #2: (&sb->s_type->i_mutex_key#9){+.+.+.}, at: [<00000000c363358a>] ext4_file_write_iter+0x11e/0xdd0 fs/ext4/file.c:100 1 lock held by rsyslogd/1914: #0: (&f->f_pos_lock){+.+.+.}, at: [<0000000039f50cf3>] __fdget_pos+0xa8/0xd0 fs/file.c:782 2 locks held by getty/2041: #0: (&tty->ldisc_sem){++++++}, at: [<0000000060198458>] ldsem_down_read+0x33/0x40 drivers/tty/tty_ldsem.c:377 #1: (&ldata->atomic_read_lock){+.+...}, at: [<00000000d5717297>] n_tty_read+0x1fe/0x1820 drivers/tty/n_tty.c:2156 1 lock held by syz-fuzzer/2071: #0: (&ei->i_mmap_sem){++++++}, at: [<000000003db0566e>] ext4_filemap_fault+0x67/0xa0 fs/ext4/inode.c:5853 1 lock held by syz-fuzzer/2073: #0: (&ei->i_mmap_sem){++++++}, at: [<000000003db0566e>] ext4_filemap_fault+0x67/0xa0 fs/ext4/inode.c:5853 1 lock held by syz-executor.2/1159: #0: (&sb->s_type->i_mutex_key#8){+.+.+.}, at: [<0000000051df4695>] inode_lock include/linux/fs.h:768 [inline] #0: (&sb->s_type->i_mutex_key#8){+.+.+.}, at: [<0000000051df4695>] __sock_release+0x89/0x2c0 net/socket.c:604 1 lock held by syz-executor.5/1276: #0: (&sb->s_type->i_mutex_key#8){+.+.+.}, at: [<0000000051df4695>] inode_lock include/linux/fs.h:768 [inline] #0: (&sb->s_type->i_mutex_key#8){+.+.+.}, at: [<0000000051df4695>] __sock_release+0x89/0x2c0 net/socket.c:604 1 lock held by syz-executor.5/1300: #0: (&sb->s_type->i_mutex_key#8){+.+.+.}, at: [<0000000051df4695>] inode_lock include/linux/fs.h:768 [inline] #0: (&sb->s_type->i_mutex_key#8){+.+.+.}, at: [<0000000051df4695>] __sock_release+0x89/0x2c0 net/socket.c:604 1 lock held by syz-executor.5/1322: #0: (&sb->s_type->i_mutex_key#8){+.+.+.}, at: [<0000000051df4695>] inode_lock include/linux/fs.h:768 [inline] #0: (&sb->s_type->i_mutex_key#8){+.+.+.}, at: [<0000000051df4695>] __sock_release+0x89/0x2c0 net/socket.c:604 1 lock held by syz-executor.5/1347: #0: (&sb->s_type->i_mutex_key#8){+.+.+.}, at: [<0000000051df4695>] inode_lock include/linux/fs.h:768 [inline] #0: (&sb->s_type->i_mutex_key#8){+.+.+.}, at: [<0000000051df4695>] __sock_release+0x89/0x2c0 net/socket.c:604 1 lock held by syz-executor.5/1369: #0: (&sb->s_type->i_mutex_key#8){+.+.+.}, at: [<0000000051df4695>] inode_lock include/linux/fs.h:768 [inline] #0: (&sb->s_type->i_mutex_key#8){+.+.+.}, at: [<0000000051df4695>] __sock_release+0x89/0x2c0 net/socket.c:604 1 lock held by syz-executor.2/1391: #0: (&sb->s_type->i_mutex_key#8){+.+.+.}, at: [<0000000051df4695>] inode_lock include/linux/fs.h:768 [inline] #0: (&sb->s_type->i_mutex_key#8){+.+.+.}, at: [<0000000051df4695>] __sock_release+0x89/0x2c0 net/socket.c:604 1 lock held by syz-executor.5/1398: #0: (&sb->s_type->i_mutex_key#8){+.+.+.}, at: [<0000000051df4695>] inode_lock include/linux/fs.h:768 [inline] #0: (&sb->s_type->i_mutex_key#8){+.+.+.}, at: [<0000000051df4695>] __sock_release+0x89/0x2c0 net/socket.c:604 1 lock held by syz-executor.2/1417: #0: (&sb->s_type->i_mutex_key#8){+.+.+.}, at: [<0000000051df4695>] inode_lock include/linux/fs.h:768 [inline] #0: (&sb->s_type->i_mutex_key#8){+.+.+.}, at: [<0000000051df4695>] __sock_release+0x89/0x2c0 net/socket.c:604 1 lock held by syz-executor.5/1424: #0: (&sb->s_type->i_mutex_key#8){+.+.+.}, at: [<0000000051df4695>] inode_lock include/linux/fs.h:768 [inline] #0: (&sb->s_type->i_mutex_key#8){+.+.+.}, at: [<0000000051df4695>] __sock_release+0x89/0x2c0 net/socket.c:604 1 lock held by syz-executor.2/1441: #0: (&sb->s_type->i_mutex_key#8){+.+.+.}, at: [<0000000051df4695>] inode_lock include/linux/fs.h:768 [inline] #0: (&sb->s_type->i_mutex_key#8){+.+.+.}, at: [<0000000051df4695>] __sock_release+0x89/0x2c0 net/socket.c:604 1 lock held by syz-executor.5/1442: #0: (&sb->s_type->i_mutex_key#8){+.+.+.}, at: [<0000000051df4695>] inode_lock include/linux/fs.h:768 [inline] #0: (&sb->s_type->i_mutex_key#8){+.+.+.}, at: [<0000000051df4695>] __sock_release+0x89/0x2c0 net/socket.c:604 1 lock held by syz-executor.2/1460: #0: (&sb->s_type->i_mutex_key#8){+.+.+.}, at: [<0000000051df4695>] inode_lock include/linux/fs.h:768 [inline] #0: (&sb->s_type->i_mutex_key#8){+.+.+.}, at: [<0000000051df4695>] __sock_release+0x89/0x2c0 net/socket.c:604 1 lock held by syz-executor.5/1462: #0: (&sb->s_type->i_mutex_key#8){+.+.+.}, at: [<0000000051df4695>] inode_lock include/linux/fs.h:768 [inline] #0: (&sb->s_type->i_mutex_key#8){+.+.+.}, at: [<0000000051df4695>] __sock_release+0x89/0x2c0 net/socket.c:604 1 lock held by syz-executor.5/1480: #0: (&sb->s_type->i_mutex_key#8){+.+.+.}, at: [<0000000051df4695>] inode_lock include/linux/fs.h:768 [inline] #0: (&sb->s_type->i_mutex_key#8){+.+.+.}, at: [<0000000051df4695>] __sock_release+0x89/0x2c0 net/socket.c:604 1 lock held by syz-executor.2/1486: #0: (&sb->s_type->i_mutex_key#8){+.+.+.}, at: [<0000000051df4695>] inode_lock include/linux/fs.h:768 [inline] #0: (&sb->s_type->i_mutex_key#8){+.+.+.}, at: [<0000000051df4695>] __sock_release+0x89/0x2c0 net/socket.c:604 1 lock held by syz-executor.2/1510: #0: (&sb->s_type->i_mutex_key#8){+.+.+.}, at: [<0000000051df4695>] inode_lock include/linux/fs.h:768 [inline] #0: (&sb->s_type->i_mutex_key#8){+.+.+.}, at: [<0000000051df4695>] __sock_release+0x89/0x2c0 net/socket.c:604 1 lock held by syz-executor.5/1519: #0: (&sb->s_type->i_mutex_key#8){+.+.+.}, at: [<0000000051df4695>] inode_lock include/linux/fs.h:768 [inline] #0: (&sb->s_type->i_mutex_key#8){+.+.+.}, at: [<0000000051df4695>] __sock_release+0x89/0x2c0 net/socket.c:604 1 lock held by syz-executor.5/1546: #0: (&sb->s_type->i_mutex_key#8){+.+.+.}, at: [<0000000051df4695>] inode_lock include/linux/fs.h:768 [inline] #0: (&sb->s_type->i_mutex_key#8){+.+.+.}, at: [<0000000051df4695>] __sock_release+0x89/0x2c0 net/socket.c:604 1 lock held by syz-executor.2/1552: #0: (&sb->s_type->i_mutex_key#8){+.+.+.}, at: [<0000000051df4695>] inode_lock include/linux/fs.h:768 [inline] #0: (&sb->s_type->i_mutex_key#8){+.+.+.}, at: [<0000000051df4695>] __sock_release+0x89/0x2c0 net/socket.c:604 1 lock held by syz-executor.2/1574: #0: (&sb->s_type->i_mutex_key#8){+.+.+.}, at: [<0000000051df4695>] inode_lock include/linux/fs.h:768 [inline] #0: (&sb->s_type->i_mutex_key#8){+.+.+.}, at: [<0000000051df4695>] __sock_release+0x89/0x2c0 net/socket.c:604 1 lock held by syz-executor.5/1580: #0: (&sb->s_type->i_mutex_key#8){+.+.+.}, at: [<0000000051df4695>] inode_lock include/linux/fs.h:768 [inline] #0: (&sb->s_type->i_mutex_key#8){+.+.+.}, at: [<0000000051df4695>] __sock_release+0x89/0x2c0 net/socket.c:604 1 lock held by syz-executor.3/1582: #0: (&sb->s_type->i_mutex_key#8){+.+.+.}, at: [<0000000051df4695>] inode_lock include/linux/fs.h:768 [inline] #0: (&sb->s_type->i_mutex_key#8){+.+.+.}, at: [<0000000051df4695>] __sock_release+0x89/0x2c0 net/socket.c:604 1 lock held by syz-executor.2/1606: #0: (&sb->s_type->i_mutex_key#8){+.+.+.}, at: [<0000000051df4695>] inode_lock include/linux/fs.h:768 [inline] #0: (&sb->s_type->i_mutex_key#8){+.+.+.}, at: [<0000000051df4695>] __sock_release+0x89/0x2c0 net/socket.c:604 1 lock held by syz-executor.5/1607: #0: (&sb->s_type->i_mutex_key#8){+.+.+.}, at: [<0000000051df4695>] inode_lock include/linux/fs.h:768 [inline] #0: (&sb->s_type->i_mutex_key#8){+.+.+.}, at: [<0000000051df4695>] __sock_release+0x89/0x2c0 net/socket.c:604 1 lock held by syz-executor.5/1626: #0: (&sb->s_type->i_mutex_key#8){+.+.+.}, at: [<0000000051df4695>] inode_lock include/linux/fs.h:768 [inline] #0: (&sb->s_type->i_mutex_key#8){+.+.+.}, at: [<0000000051df4695>] __sock_release+0x89/0x2c0 net/socket.c:604 1 lock held by syz-executor.2/1629: #0: (&sb->s_type->i_mutex_key#8){+.+.+.}, at: [<0000000051df4695>] inode_lock include/linux/fs.h:768 [inline] #0: (&sb->s_type->i_mutex_key#8){+.+.+.}, at: [<0000000051df4695>] __sock_release+0x89/0x2c0 net/socket.c:604 1 lock held by syz-executor.3/1631: #0: (&sb->s_type->i_mutex_key#8){+.+.+.}, at: [<0000000051df4695>] inode_lock include/linux/fs.h:768 [inline] #0: (&sb->s_type->i_mutex_key#8){+.+.+.}, at: [<0000000051df4695>] __sock_release+0x89/0x2c0 net/socket.c:604 1 lock held by syz-executor.5/1664: #0: (&sb->s_type->i_mutex_key#8){+.+.+.}, at: [<0000000051df4695>] inode_lock include/linux/fs.h:768 [inline] #0: (&sb->s_type->i_mutex_key#8){+.+.+.}, at: [<0000000051df4695>] __sock_release+0x89/0x2c0 net/socket.c:604 1 lock held by syz-executor.3/1666: #0: (&sb->s_type->i_mutex_key#8){+.+.+.}, at: [<0000000051df4695>] inode_lock include/linux/fs.h:768 [inline] #0: (&sb->s_type->i_mutex_key#8){+.+.+.}, at: [<0000000051df4695>] __sock_release+0x89/0x2c0 net/socket.c:604 1 lock held by syz-executor.2/1672: #0: (&sb->s_type->i_mutex_key#8){+.+.+.}, at: [<0000000051df4695>] inode_lock include/linux/fs.h:768 [inline] #0: (&sb->s_type->i_mutex_key#8){+.+.+.}, at: [<0000000051df4695>] __sock_release+0x89/0x2c0 net/socket.c:604 1 lock held by syz-executor.5/1683: #0: (&sb->s_type->i_mutex_key#8){+.+.+.}, at: [<0000000051df4695>] inode_lock include/linux/fs.h:768 [inline] #0: (&sb->s_type->i_mutex_key#8){+.+.+.}, at: [<0000000051df4695>] __sock_release+0x89/0x2c0 net/socket.c:604 1 lock held by syz-executor.3/1692: #0: (&sb->s_type->i_mutex_key#8){+.+.+.}, at: [<0000000051df4695>] inode_lock include/linux/fs.h:768 [inline] #0: (&sb->s_type->i_mutex_key#8){+.+.+.}, at: [<0000000051df4695>] __sock_release+0x89/0x2c0 net/socket.c:604 1 lock held by syz-executor.3/1710: #0: (&sb->s_type->i_mutex_key#8){+.+.+.}, at: [<0000000051df4695>] inode_lock include/linux/fs.h:768 [inline] #0: (&sb->s_type->i_mutex_key#8){+.+.+.}, at: [<0000000051df4695>] __sock_release+0x89/0x2c0 net/socket.c:604 1 lock held by syz-executor.2/1715: #0: (&sb->s_type->i_mutex_key#8){+.+.+.}, at: [<0000000051df4695>] inode_lock include/linux/fs.h:768 [inline] #0: (&sb->s_type->i_mutex_key#8){+.+.+.}, at: [<0000000051df4695>] __sock_release+0x89/0x2c0 net/socket.c:604 1 lock held by syz-executor.5/1722: #0: (&sb->s_type->i_mutex_key#8){+.+.+.}, at: [<0000000051df4695>] inode_lock include/linux/fs.h:768 [inline] #0: (&sb->s_type->i_mutex_key#8){+.+.+.}, at: [<0000000051df4695>] __sock_release+0x89/0x2c0 net/socket.c:604 1 lock held by syz-executor.5/1742: #0: (&sb->s_type->i_mutex_key#8){+.+.+.}, at: [<0000000051df4695>] inode_lock include/linux/fs.h:768 [inline] #0: (&sb->s_type->i_mutex_key#8){+.+.+.}, at: [<0000000051df4695>] __sock_release+0x89/0x2c0 net/socket.c:604 1 lock held by syz-executor.3/1746: #0: (&sb->s_type->i_mutex_key#8){+.+.+.}, at: [<0000000051df4695>] inode_lock include/linux/fs.h:768 [inline] #0: (&sb->s_type->i_mutex_key#8){+.+.+.}, at: [<0000000051df4695>] __sock_release+0x89/0x2c0 net/socket.c:604 1 lock held by syz-executor.2/1748: #0: (&sb->s_type->i_mutex_key#8){+.+.+.}, at: [<0000000051df4695>] inode_lock include/linux/fs.h:768 [inline] #0: (&sb->s_type->i_mutex_key#8){+.+.+.}, at: [<0000000051df4695>] __sock_release+0x89/0x2c0 net/socket.c:604 1 lock held by syz-executor.5/1766: #0: (&sb->s_type->i_mutex_key#8){+.+.+.}, at: [<0000000051df4695>] inode_lock include/linux/fs.h:768 [inline] #0: (&sb->s_type->i_mutex_key#8){+.+.+.}, at: [<0000000051df4695>] __sock_release+0x89/0x2c0 net/socket.c:604 1 lock held by syz-executor.2/1776: #0: (&sb->s_type->i_mutex_key#8){+.+.+.}, at: [<0000000051df4695>] inode_lock include/linux/fs.h:768 [inline] #0: (&sb->s_type->i_mutex_key#8){+.+.+.}, at: [<0000000051df4695>] __sock_release+0x89/0x2c0 net/socket.c:604 1 lock held by syz-executor.3/1783: #0: (&sb->s_type->i_mutex_key#8){+.+.+.}, at: [<0000000051df4695>] inode_lock include/linux/fs.h:768 [inline] #0: (&sb->s_type->i_mutex_key#8){+.+.+.}, at: [<0000000051df4695>] __sock_release+0x89/0x2c0 net/socket.c:604 1 lock held by syz-executor.5/1787: #0: (&sb->s_type->i_mutex_key#8){+.+.+.}, at: [<0000000051df4695>] inode_lock include/linux/fs.h:768 [inline] #0: (&sb->s_type->i_mutex_key#8){+.+.+.}, at: [<0000000051df4695>] __sock_release+0x89/0x2c0 net/socket.c:604 1 lock held by syz-executor.5/1811: #0: (&sb->s_type->i_mutex_key#8){+.+.+.}, at: [<0000000051df4695>] inode_lock include/linux/fs.h:768 [inline] #0: (&sb->s_type->i_mutex_key#8){+.+.+.}, at: [<0000000051df4695>] __sock_release+0x89/0x2c0 net/socket.c:604 1 lock held by syz-executor.3/1815: #0: (&sb->s_type->i_mutex_key#8){+.+.+.}, at: [<0000000051df4695>] inode_lock include/linux/fs.h:768 [inline] #0: (&sb->s_type->i_mutex_key#8){+.+.+.}, at: [<0000000051df4695>] __sock_release+0x89/0x2c0 net/socket.c:604 1 lock held by syz-executor.2/1818: #0: (&sb->s_type->i_mutex_key#8){+.+.+.}, at: [<0000000051df4695>] inode_lock include/linux/fs.h:768 [inline] #0: (&sb->s_type->i_mutex_key#8){+.+.+.}, at: [<0000000051df4695>] __sock_release+0x89/0x2c0 net/socket.c:604 1 lock held by syz-executor.3/1839: #0: (&sb->s_type->i_mutex_key#8){+.+.+.}, at: [<0000000051df4695>] inode_lock include/linux/fs.h:768 [inline] #0: (&sb->s_type->i_mutex_key#8){+.+.+.}, at: [<0000000051df4695>] __sock_release+0x89/0x2c0 net/socket.c:604 1 lock held by syz-executor.2/1852: #0: (&sb->s_type->i_mutex_key#8){+.+.+.}, at: [<0000000051df4695>] inode_lock include/linux/fs.h:768 [inline] #0: (&sb->s_type->i_mutex_key#8){+.+.+.}, at: [<0000000051df4695>] __sock_release+0x89/0x2c0 net/socket.c:604 1 lock held by syz-executor.3/1856: #0: (&sb->s_type->i_mutex_key#8){+.+.+.}, at: [<0000000051df4695>] inode_lock include/linux/fs.h:768 [inline] #0: (&sb->s_type->i_mutex_key#8){+.+.+.}, at: [<0000000051df4695>] __sock_release+0x89/0x2c0 net/socket.c:604 2 locks held by syz-executor.5/1864: #0: (&type->s_umount_key#43){++++..}, at: [<0000000069b0c64d>] deactivate_super fs/super.c:350 [inline] #0: (&type->s_umount_key#43){++++..}, at: [<0000000069b0c64d>] deactivate_super+0x82/0xb0 fs/super.c:347 #1: (shrinker_rwsem){++++..}, at: [<00000000d54c506a>] unregister_shrinker mm/vmscan.c:301 [inline] #1: (shrinker_rwsem){++++..}, at: [<00000000d54c506a>] unregister_shrinker+0x58/0x230 mm/vmscan.c:297 1 lock held by syz-executor.3/1894: #0: (&sb->s_type->i_mutex_key#8){+.+.+.}, at: [<0000000051df4695>] inode_lock include/linux/fs.h:768 [inline] #0: (&sb->s_type->i_mutex_key#8){+.+.+.}, at: [<0000000051df4695>] __sock_release+0x89/0x2c0 net/socket.c:604 2 locks held by syz-executor.5/2002: #0: (&type->s_umount_key#43){++++..}, at: [<0000000069b0c64d>] deactivate_super fs/super.c:350 [inline] #0: (&type->s_umount_key#43){++++..}, at: [<0000000069b0c64d>] deactivate_super+0x82/0xb0 fs/super.c:347 #1: (shrinker_rwsem){++++..}, at: [<00000000d54c506a>] unregister_shrinker mm/vmscan.c:301 [inline] #1: (shrinker_rwsem){++++..}, at: [<00000000d54c506a>] unregister_shrinker+0x58/0x230 mm/vmscan.c:297 2 locks held by syz-executor.5/2060: #0: (&type->s_umount_key#43){++++..}, at: [<0000000069b0c64d>] deactivate_super fs/super.c:350 [inline] #0: (&type->s_umount_key#43){++++..}, at: [<0000000069b0c64d>] deactivate_super+0x82/0xb0 fs/super.c:347 #1: (shrinker_rwsem){++++..}, at: [<00000000d54c506a>] unregister_shrinker mm/vmscan.c:301 [inline] #1: (shrinker_rwsem){++++..}, at: [<00000000d54c506a>] unregister_shrinker+0x58/0x230 mm/vmscan.c:297 2 locks held by syz-executor.5/2109: #0: (&type->s_umount_key#43){++++..}, at: [<0000000069b0c64d>] deactivate_super fs/super.c:350 [inline] #0: (&type->s_umount_key#43){++++..}, at: [<0000000069b0c64d>] deactivate_super+0x82/0xb0 fs/super.c:347 #1: (shrinker_rwsem){++++..}, at: [<00000000d54c506a>] unregister_shrinker mm/vmscan.c:301 [inline] #1: (shrinker_rwsem){++++..}, at: [<00000000d54c506a>] unregister_shrinker+0x58/0x230 mm/vmscan.c:297 2 locks held by syz-executor.3/2162: #0: (&type->s_umount_key#43){++++..}, at: [<0000000069b0c64d>] deactivate_super fs/super.c:350 [inline] #0: (&type->s_umount_key#43){++++..}, at: [<0000000069b0c64d>] deactivate_super+0x82/0xb0 fs/super.c:347 #1: (shrinker_rwsem){++++..}, at: [<00000000d54c506a>] unregister_shrinker mm/vmscan.c:301 [inline] #1: (shrinker_rwsem){++++..}, at: [<00000000d54c506a>] unregister_shrinker+0x58/0x230 mm/vmscan.c:297 2 locks held by syz-executor.5/2165: #0: (&type->s_umount_key#43){++++..}, at: [<0000000069b0c64d>] deactivate_super fs/super.c:350 [inline] #0: (&type->s_umount_key#43){++++..}, at: [<0000000069b0c64d>] deactivate_super+0x82/0xb0 fs/super.c:347 #1: (shrinker_rwsem){++++..}, at: [<00000000d54c506a>] unregister_shrinker mm/vmscan.c:301 [inline] #1: (shrinker_rwsem){++++..}, at: [<00000000d54c506a>] unregister_shrinker+0x58/0x230 mm/vmscan.c:297 2 locks held by syz-executor.5/2194: #0: (&type->s_umount_key#43){++++..}, at: [<0000000069b0c64d>] deactivate_super fs/super.c:350 [inline] #0: (&type->s_umount_key#43){++++..}, at: [<0000000069b0c64d>] deactivate_super+0x82/0xb0 fs/super.c:347 #1: (shrinker_rwsem){++++..}, at: [<00000000d54c506a>] unregister_shrinker mm/vmscan.c:301 [inline] #1: (shrinker_rwsem){++++..}, at: [<00000000d54c506a>] unregister_shrinker+0x58/0x230 mm/vmscan.c:297 2 locks held by syz-executor.1/2207: #0: (&type->s_umount_key#43){++++..}, at: [<0000000069b0c64d>] deactivate_super fs/super.c:350 [inline] #0: (&type->s_umount_key#43){++++..}, at: [<0000000069b0c64d>] deactivate_super+0x82/0xb0 fs/super.c:347 #1: (shrinker_rwsem){++++..}, at: [<00000000d54c506a>] unregister_shrinker mm/vmscan.c:301 [inline] #1: (shrinker_rwsem){++++..}, at: [<00000000d54c506a>] unregister_shrinker+0x58/0x230 mm/vmscan.c:297 2 locks held by syz-executor.1/2223: #0: (&type->s_umount_key#43){++++..}, at: [<0000000069b0c64d>] deactivate_super fs/super.c:350 [inline] #0: (&type->s_umount_key#43){++++..}, at: [<0000000069b0c64d>] deactivate_super+0x82/0xb0 fs/super.c:347 #1: (shrinker_rwsem){++++..}, at: [<00000000d54c506a>] unregister_shrinker mm/vmscan.c:301 [inline] #1: (shrinker_rwsem){++++..}, at: [<00000000d54c506a>] unregister_shrinker+0x58/0x230 mm/vmscan.c:297 2 locks held by syz-executor.5/2224: #0: (&type->s_umount_key#43){++++..}, at: [<0000000069b0c64d>] deactivate_super fs/super.c:350 [inline] #0: (&type->s_umount_key#43){++++..}, at: [<0000000069b0c64d>] deactivate_super+0x82/0xb0 fs/super.c:347 #1: (shrinker_rwsem){++++..}, at: [<00000000d54c506a>] unregister_shrinker mm/vmscan.c:301 [inline] #1: (shrinker_rwsem){++++..}, at: [<00000000d54c506a>] unregister_shrinker+0x58/0x230 mm/vmscan.c:297 2 locks held by syz-executor.3/2251: #0: (&type->s_umount_key#43){++++..}, at: [<0000000069b0c64d>] deactivate_super fs/super.c:350 [inline] #0: (&type->s_umount_key#43){++++..}, at: [<0000000069b0c64d>] deactivate_super+0x82/0xb0 fs/super.c:347 #1: (shrinker_rwsem){++++..}, at: [<00000000d54c506a>] unregister_shrinker mm/vmscan.c:301 [inline] #1: (shrinker_rwsem){++++..}, at: [<00000000d54c506a>] unregister_shrinker+0x58/0x230 mm/vmscan.c:297 2 locks held by syz-executor.5/2253: #0: (&type->s_umount_key#43){++++..}, at: [<0000000069b0c64d>] deactivate_super fs/super.c:350 [inline] #0: (&type->s_umount_key#43){++++..}, at: [<0000000069b0c64d>] deactivate_super+0x82/0xb0 fs/super.c:347 #1: (shrinker_rwsem){++++..}, at: [<00000000d54c506a>] unregister_shrinker mm/vmscan.c:301 [inline] #1: (shrinker_rwsem){++++..}, at: [<00000000d54c506a>] unregister_shrinker+0x58/0x230 mm/vmscan.c:297 2 locks held by syz-executor.1/2255: #0: (&type->s_umount_key#43){++++..}, at: [<0000000069b0c64d>] deactivate_super fs/super.c:350 [inline] #0: (&type->s_umount_key#43){++++..}, at: [<0000000069b0c64d>] deactivate_super+0x82/0xb0 fs/super.c:347 #1: (shrinker_rwsem){++++..}, at: [<00000000d54c506a>] unregister_shrinker mm/vmscan.c:301 [inline] #1: (shrinker_rwsem){++++..}, at: [<00000000d54c506a>] unregister_shrinker+0x58/0x230 mm/vmscan.c:297 2 locks held by syz-executor.5/2269: #0: (&type->s_umount_key#43){++++..}, at: [<0000000069b0c64d>] deactivate_super fs/super.c:350 [inline] #0: (&type->s_umount_key#43){++++..}, at: [<0000000069b0c64d>] deactivate_super+0x82/0xb0 fs/super.c:347 #1: (shrinker_rwsem){++++..}, at: [<00000000d54c506a>] unregister_shrinker mm/vmscan.c:301 [inline] #1: (shrinker_rwsem){++++..}, at: [<00000000d54c506a>] unregister_shrinker+0x58/0x230 mm/vmscan.c:297 2 locks held by syz-executor.3/2279: #0: (&type->s_umount_key#43){++++..}, at: [<0000000069b0c64d>] deactivate_super fs/super.c:350 [inline] #0: (&type->s_umount_key#43){++++..}, at: [<0000000069b0c64d>] deactivate_super+0x82/0xb0 fs/super.c:347 #1: (shrinker_rwsem){++++..}, at: [<00000000d54c506a>] unregister_shrinker mm/vmscan.c:301 [inline] #1: (shrinker_rwsem){++++..}, at: [<00000000d54c506a>] unregister_shrinker+0x58/0x230 mm/vmscan.c:297 2 locks held by syz-executor.5/2290: #0: (&type->s_umount_key#43){++++..}, at: [<0000000069b0c64d>] deactivate_super fs/super.c:350 [inline] #0: (&type->s_umount_key#43){++++..}, at: [<0000000069b0c64d>] deactivate_super+0x82/0xb0 fs/super.c:347 #1: (shrinker_rwsem){++++..}, at: [<00000000d54c506a>] unregister_shrinker mm/vmscan.c:301 [inline] #1: (shrinker_rwsem){++++..}, at: [<00000000d54c506a>] unregister_shrinker+0x58/0x230 mm/vmscan.c:297 2 locks held by syz-executor.5/2301: #0: (&type->s_umount_key#43){++++..}, at: [<0000000069b0c64d>] deactivate_super fs/super.c:350 [inline] #0: (&type->s_umount_key#43){++++..}, at: [<0000000069b0c64d>] deactivate_super+0x82/0xb0 fs/super.c:347 #1: (shrinker_rwsem){++++..}, at: [<00000000d54c506a>] unregister_shrinker mm/vmscan.c:301 [inline] #1: (shrinker_rwsem){++++..}, at: [<00000000d54c506a>] unregister_shrinker+0x58/0x230 mm/vmscan.c:297 2 locks held by syz-executor.3/2319: #0: (&type->s_umount_key#43){++++..}, at: [<0000000069b0c64d>] deactivate_super fs/super.c:350 [inline] #0: (&type->s_umount_key#43){++++..}, at: [<0000000069b0c64d>] deactivate_super+0x82/0xb0 fs/super.c:347 #1: (shrinker_rwsem){++++..}, at: [<00000000d54c506a>] unregister_shrinker mm/vmscan.c:301 [inline] #1: (shrinker_rwsem){++++..}, at: [<00000000d54c506a>] unregister_shrinker+0x58/0x230 mm/vmscan.c:297 2 locks held by syz-executor.5/2323: #0: (&type->s_umount_key#43){++++..}, at: [<0000000069b0c64d>] deactivate_super fs/super.c:350 [inline] #0: (&type->s_umount_key#43){++++..}, at: [<0000000069b0c64d>] deactivate_super+0x82/0xb0 fs/super.c:347 #1: (shrinker_rwsem){++++..}, at: [<00000000d54c506a>] unregister_shrinker mm/vmscan.c:301 [inline] #1: (shrinker_rwsem){++++..}, at: [<00000000d54c506a>] unregister_shrinker+0x58/0x230 mm/vmscan.c:297 2 locks held by syz-executor.5/2334: #0: (&type->s_umount_key#43){++++..}, at: [<0000000069b0c64d>] deactivate_super fs/super.c:350 [inline] #0: (&type->s_umount_key#43){++++..}, at: [<0000000069b0c64d>] deactivate_super+0x82/0xb0 fs/super.c:347 #1: (shrinker_rwsem){++++..}, at: [<00000000d54c506a>] unregister_shrinker mm/vmscan.c:301 [inline] #1: (shrinker_rwsem){++++..}, at: [<00000000d54c506a>] unregister_shrinker+0x58/0x230 mm/vmscan.c:297 2 locks held by syz-executor.5/2361: #0: (&type->s_umount_key#43){++++..}, at: [<0000000069b0c64d>] deactivate_super fs/super.c:350 [inline] #0: (&type->s_umount_key#43){++++..}, at: [<0000000069b0c64d>] deactivate_super+0x82/0xb0 fs/super.c:347 #1: (shrinker_rwsem){++++..}, at: [<00000000d54c506a>] unregister_shrinker mm/vmscan.c:301 [inline] #1: (shrinker_rwsem){++++..}, at: [<00000000d54c506a>] unregister_shrinker+0x58/0x230 mm/vmscan.c:297 2 locks held by syz-executor.5/2370: #0: (&type->s_umount_key#43){++++..}, at: [<0000000069b0c64d>] deactivate_super fs/super.c:350 [inline] #0: (&type->s_umount_key#43){++++..}, at: [<0000000069b0c64d>] deactivate_super+0x82/0xb0 fs/super.c:347 #1: (shrinker_rwsem){++++..}, at: [<00000000d54c506a>] unregister_shrinker mm/vmscan.c:301 [inline] #1: (shrinker_rwsem){++++..}, at: [<00000000d54c506a>] unregister_shrinker+0x58/0x230 mm/vmscan.c:297 2 locks held by syz-executor.3/2385: #0: (&type->s_umount_key#43){++++..}, at: [<0000000069b0c64d>] deactivate_super fs/super.c:350 [inline] #0: (&type->s_umount_key#43){++++..}, at: [<0000000069b0c64d>] deactivate_super+0x82/0xb0 fs/super.c:347 #1: (shrinker_rwsem){++++..}, at: [<00000000d54c506a>] unregister_shrinker mm/vmscan.c:301 [inline] #1: (shrinker_rwsem){++++..}, at: [<00000000d54c506a>] unregister_shrinker+0x58/0x230 mm/vmscan.c:297 2 locks held by syz-executor.5/2388: #0: (&type->s_umount_key#43){++++..}, at: [<0000000069b0c64d>] deactivate_super fs/super.c:350 [inline] #0: (&type->s_umount_key#43){++++..}, at: [<0000000069b0c64d>] deactivate_super+0x82/0xb0 fs/super.c:347 #1: (shrinker_rwsem){++++..}, at: [<00000000d54c506a>] unregister_shrinker mm/vmscan.c:301 [inline] #1: (shrinker_rwsem){++++..}, at: [<00000000d54c506a>] unregister_shrinker+0x58/0x230 mm/vmscan.c:297 2 locks held by syz-executor.5/2406: #0: (&type->s_umount_key#43){++++..}, at: [<0000000069b0c64d>] deactivate_super fs/super.c:350 [inline] #0: (&type->s_umount_key#43){++++..}, at: [<0000000069b0c64d>] deactivate_super+0x82/0xb0 fs/super.c:347 #1: (shrinker_rwsem){++++..}, at: [<00000000d54c506a>] unregister_shrinker mm/vmscan.c:301 [inline] #1: (shrinker_rwsem){++++..}, at: [<00000000d54c506a>] unregister_shrinker+0x58/0x230 mm/vmscan.c:297 2 locks held by syz-executor.3/2409: #0: (&type->s_umount_key#43){++++..}, at: [<0000000069b0c64d>] deactivate_super fs/super.c:350 [inline] #0: (&type->s_umount_key#43){++++..}, at: [<0000000069b0c64d>] deactivate_super+0x82/0xb0 fs/super.c:347 #1: (shrinker_rwsem){++++..}, at: [<00000000d54c506a>] unregister_shrinker mm/vmscan.c:301 [inline] #1: (shrinker_rwsem){++++..}, at: [<00000000d54c506a>] unregister_shrinker+0x58/0x230 mm/vmscan.c:297 2 locks held by syz-executor.1/2412: #0: (&type->s_umount_key#43){++++..}, at: [<0000000069b0c64d>] deactivate_super fs/super.c:350 [inline] #0: (&type->s_umount_key#43){++++..}, at: [<0000000069b0c64d>] deactivate_super+0x82/0xb0 fs/super.c:347 #1: (shrinker_rwsem){++++..}, at: [<00000000d54c506a>] unregister_shrinker mm/vmscan.c:301 [inline] #1: (shrinker_rwsem){++++..}, at: [<00000000d54c506a>] unregister_shrinker+0x58/0x230 mm/vmscan.c:297 2 locks held by syz-executor.5/2432: #0: (&type->s_umount_key#43){++++..}, at: [<0000000069b0c64d>] deactivate_super fs/super.c:350 [inline] #0: (&type->s_umount_key#43){++++..}, at: [<0000000069b0c64d>] deactivate_super+0x82/0xb0 fs/super.c:347 #1: (shrinker_rwsem){++++..}, at: [<00000000d54c506a>] unregister_shrinker mm/vmscan.c:301 [inline] #1: (shrinker_rwsem){++++..}, at: [<00000000d54c506a>] unregister_shrinker+0x58/0x230 mm/vmscan.c:297 2 locks held by syz-executor.3/2434: #0: (&type->s_umount_key#43){++++..}, at: [<0000000069b0c64d>] deactivate_super fs/super.c:350 [inline] #0: (&type->s_umount_key#43){++++..}, at: [<0000000069b0c64d>] deactivate_super+0x82/0xb0 fs/super.c:347 #1: (shrinker_rwsem){++++..}, at: [<00000000d54c506a>] unregister_shrinker mm/vmscan.c:301 [inline] #1: (shrinker_rwsem){++++..}, at: [<00000000d54c506a>] unregister_shrinker+0x58/0x230 mm/vmscan.c:297 2 locks held by syz-executor.1/2436: #0: (&type->s_umount_key#43){++++..}, at: [<0000000069b0c64d>] deactivate_super fs/super.c:350 [inline] #0: (&type->s_umount_key#43){++++..}, at: [<0000000069b0c64d>] deactivate_super+0x82/0xb0 fs/super.c:347 #1: (shrinker_rwsem){++++..}, at: [<00000000d54c506a>] unregister_shrinker mm/vmscan.c:301 [inline] #1: (shrinker_rwsem){++++..}, at: [<00000000d54c506a>] unregister_shrinker+0x58/0x230 mm/vmscan.c:297 2 locks held by syz-executor.3/2462: #0: (&type->s_umount_key#43){++++..}, at: [<0000000069b0c64d>] deactivate_super fs/super.c:350 [inline] #0: (&type->s_umount_key#43){++++..}, at: [<0000000069b0c64d>] deactivate_super+0x82/0xb0 fs/super.c:347 #1: (shrinker_rwsem){++++..}, at: [<00000000d54c506a>] unregister_shrinker mm/vmscan.c:301 [inline] #1: (shrinker_rwsem){++++..}, at: [<00000000d54c506a>] unregister_shrinker+0x58/0x230 mm/vmscan.c:297 2 locks held by syz-executor.1/2474: #0: (&type->s_umount_key#43){++++..}, at: [<0000000069b0c64d>] deactivate_super fs/super.c:350 [inline] #0: (&type->s_umount_key#43){++++..}, at: [<0000000069b0c64d>] deactivate_super+0x82/0xb0 fs/super.c:347 #1: (shrinker_rwsem){++++..}, at: [<00000000d54c506a>] unregister_shrinker mm/vmscan.c:301 [inline] #1: (shrinker_rwsem){++++..}, at: [<00000000d54c506a>] unregister_shrinker+0x58/0x230 mm/vmscan.c:297 2 locks held by syz-executor.3/2487: #0: (&type->s_umount_key#43){++++..}, at: [<0000000069b0c64d>] deactivate_super fs/super.c:350 [inline] #0: (&type->s_umount_key#43){++++..}, at: [<0000000069b0c64d>] deactivate_super+0x82/0xb0 fs/super.c:347 #1: (shrinker_rwsem){++++..}, at: [<00000000d54c506a>] unregister_shrinker mm/vmscan.c:301 [inline] #1: (shrinker_rwsem){++++..}, at: [<00000000d54c506a>] unregister_shrinker+0x58/0x230 mm/vmscan.c:297 2 locks held by syz-executor.3/2508: #0: (&type->s_umount_key#43){++++..}, at: [<0000000069b0c64d>] deactivate_super fs/super.c:350 [inline] #0: (&type->s_umount_key#43){++++..}, at: [<0000000069b0c64d>] deactivate_super+0x82/0xb0 fs/super.c:347 #1: (shrinker_rwsem){++++..}, at: [<00000000d54c506a>] unregister_shrinker mm/vmscan.c:301 [inline] #1: (shrinker_rwsem){++++..}, at: [<00000000d54c506a>] unregister_shrinker+0x58/0x230 mm/vmscan.c:297 2 locks held by syz-executor.1/2510: #0: (&type->s_umount_key#43){++++..}, at: [<0000000069b0c64d>] deactivate_super fs/super.c:350 [inline] #0: (&type->s_umount_key#43){++++..}, at: [<0000000069b0c64d>] deactivate_super+0x82/0xb0 fs/super.c:347 #1: (shrinker_rwsem){++++..}, at: [<00000000d54c506a>] unregister_shrinker mm/vmscan.c:301 [inline] #1: (shrinker_rwsem){++++..}, at: [<00000000d54c506a>] unregister_shrinker+0x58/0x230 mm/vmscan.c:297 2 locks held by syz-executor.5/2526: #0: (&type->s_umount_key#43){++++..}, at: [<0000000069b0c64d>] deactivate_super fs/super.c:350 [inline] #0: (&type->s_umount_key#43){++++..}, at: [<0000000069b0c64d>] deactivate_super+0x82/0xb0 fs/super.c:347 #1: (shrinker_rwsem){++++..}, at: [<00000000d54c506a>] unregister_shrinker mm/vmscan.c:301 [inline] #1: (shrinker_rwsem){++++..}, at: [<00000000d54c506a>] unregister_shrinker+0x58/0x230 mm/vmscan.c:297 2 locks held by syz-executor.3/2531: #0: (&type->s_umount_key#43){++++..}, at: [<0000000069b0c64d>] deactivate_super fs/super.c:350 [inline] #0: (&type->s_umount_key#43){++++..}, at: [<0000000069b0c64d>] deactivate_super+0x82/0xb0 fs/super.c:347 #1: (shrinker_rwsem){++++..}, at: [<00000000d54c506a>] unregister_shrinker mm/vmscan.c:301 [inline] #1: (shrinker_rwsem){++++..}, at: [<00000000d54c506a>] unregister_shrinker+0x58/0x230 mm/vmscan.c:297 2 locks held by syz-executor.5/2546: #0: (&type->s_umount_key#43){++++..}, at: [<0000000069b0c64d>] deactivate_super fs/super.c:350 [inline] #0: (&type->s_umount_key#43){++++..}, at: [<0000000069b0c64d>] deactivate_super+0x82/0xb0 fs/super.c:347 #1: (shrinker_rwsem){++++..}, at: [<00000000d54c506a>] unregister_shrinker mm/vmscan.c:301 [inline] #1: (shrinker_rwsem){++++..}, at: [<00000000d54c506a>] unregister_shrinker+0x58/0x230 mm/vmscan.c:297 2 locks held by syz-executor.5/2560: #0: (&type->s_umount_key#43){++++..}, at: [<0000000069b0c64d>] deactivate_super fs/super.c:350 [inline] #0: (&type->s_umount_key#43){++++..}, at: [<0000000069b0c64d>] deactivate_super+0x82/0xb0 fs/super.c:347 #1: (shrinker_rwsem){++++..}, at: [<00000000d54c506a>] unregister_shrinker mm/vmscan.c:301 [inline] #1: (shrinker_rwsem){++++..}, at: [<00000000d54c506a>] unregister_shrinker+0x58/0x230 mm/vmscan.c:297 2 locks held by syz-executor.3/2565: #0: (&type->s_umount_key#43){++++..}, at: [<0000000069b0c64d>] deactivate_super fs/super.c:350 [inline] #0: (&type->s_umount_key#43){++++..}, at: [<0000000069b0c64d>] deactivate_super+0x82/0xb0 fs/super.c:347 #1: (shrinker_rwsem){++++..}, at: [<00000000d54c506a>] unregister_shrinker mm/vmscan.c:301 [inline] #1: (shrinker_rwsem){++++..}, at: [<00000000d54c506a>] unregister_shrinker+0x58/0x230 mm/vmscan.c:297 2 locks held by syz-executor.1/2570: #0: (&type->s_umount_key#43){++++..}, at: [<0000000069b0c64d>] deactivate_super fs/super.c:350 [inline] #0: (&type->s_umount_key#43){++++..}, at: [<0000000069b0c64d>] deactivate_super+0x82/0xb0 fs/super.c:347 #1: (shrinker_rwsem){++++..}, at: [<00000000d54c506a>] unregister_shrinker mm/vmscan.c:301 [inline] #1: (shrinker_rwsem){++++..}, at: [<00000000d54c506a>] unregister_shrinker+0x58/0x230 mm/vmscan.c:297 2 locks held by syz-executor.3/2589: #0: (&type->s_umount_key#43){++++..}, at: [<0000000069b0c64d>] deactivate_super fs/super.c:350 [inline] #0: (&type->s_umount_key#43){++++..}, at: [<0000000069b0c64d>] deactivate_super+0x82/0xb0 fs/super.c:347 #1: (shrinker_rwsem){++++..}, at: [<00000000d54c506a>] unregister_shrinker mm/vmscan.c:301 [inline] #1: (shrinker_rwsem){++++..}, at: [<00000000d54c506a>] unregister_shrinker+0x58/0x230 mm/vmscan.c:297 2 locks held by syz-executor.3/2604: #0: (&type->s_umount_key#43){++++..}, at: [<0000000069b0c64d>] deactivate_super fs/super.c:350 [inline] #0: (&type->s_umount_key#43){++++..}, at: [<0000000069b0c64d>] deactivate_super+0x82/0xb0 fs/super.c:347 #1: (shrinker_rwsem){++++..}, at: [<00000000d54c506a>] unregister_shrinker mm/vmscan.c:301 [inline] #1: (shrinker_rwsem){++++..}, at: [<00000000d54c506a>] unregister_shrinker+0x58/0x230 mm/vmscan.c:297 2 locks held by syz-executor.1/2609: #0: (&type->s_umount_key#43){++++..}, at: [<0000000069b0c64d>] deactivate_super fs/super.c:350 [inline] #0: (&type->s_umount_key#43){++++..}, at: [<0000000069b0c64d>] deactivate_super+0x82/0xb0 fs/super.c:347 #1: (shrinker_rwsem){++++..}, at: [<00000000d54c506a>] unregister_shrinker mm/vmscan.c:301 [inline] #1: (shrinker_rwsem){++++..}, at: [<00000000d54c506a>] unregister_shrinker+0x58/0x230 mm/vmscan.c:297 2 locks held by syz-executor.3/2627: #0: (&type->s_umount_key#43){++++..}, at: [<0000000069b0c64d>] deactivate_super fs/super.c:350 [inline] #0: (&type->s_umount_key#43){++++..}, at: [<0000000069b0c64d>] deactivate_super+0x82/0xb0 fs/super.c:347 #1: (shrinker_rwsem){++++..}, at: [<00000000d54c506a>] unregister_shrinker mm/vmscan.c:301 [inline] #1: (shrinker_rwsem){++++..}, at: [<00000000d54c506a>] unregister_shrinker+0x58/0x230 mm/vmscan.c:297 2 locks held by syz-executor.1/2634: #0: (&type->s_umount_key#43){++++..}, at: [<0000000069b0c64d>] deactivate_super fs/super.c:350 [inline] #0: (&type->s_umount_key#43){++++..}, at: [<0000000069b0c64d>] deactivate_super+0x82/0xb0 fs/super.c:347 #1: (shrinker_rwsem){++++..}, at: [<00000000d54c506a>] unregister_shrinker mm/vmscan.c:301 [inline] #1: (shrinker_rwsem){++++..}, at: [<00000000d54c506a>] unregister_shrinker+0x58/0x230 mm/vmscan.c:297 2 locks held by syz-executor.1/2667: #0: (&type->s_umount_key#43){++++..}, at: [<0000000069b0c64d>] deactivate_super fs/super.c:350 [inline] #0: (&type->s_umount_key#43){++++..}, at: [<0000000069b0c64d>] deactivate_super+0x82/0xb0 fs/super.c:347 #1: (shrinker_rwsem){++++..}, at: [<00000000d54c506a>] unregister_shrinker mm/vmscan.c:301 [inline] #1: (shrinker_rwsem){++++..}, at: [<00000000d54c506a>] unregister_shrinker+0x58/0x230 mm/vmscan.c:297 2 locks held by syz-executor.1/2697: #0: (&type->s_umount_key#43){++++..}, at: [<0000000069b0c64d>] deactivate_super fs/super.c:350 [inline] #0: (&type->s_umount_key#43){++++..}, at: [<0000000069b0c64d>] deactivate_super+0x82/0xb0 fs/super.c:347 #1: (shrinker_rwsem){++++..}, at: [<00000000d54c506a>] unregister_shrinker mm/vmscan.c:301 [inline] #1: (shrinker_rwsem){++++..}, at: [<00000000d54c506a>] unregister_shrinker+0x58/0x230 mm/vmscan.c:297 2 locks held by syz-executor.3/2714: #0: (&type->s_umount_key#43){++++..}, at: [<0000000069b0c64d>] deactivate_super fs/super.c:350 [inline] #0: (&type->s_umount_key#43){++++..}, at: [<0000000069b0c64d>] deactivate_super+0x82/0xb0 fs/super.c:347 #1: (shrinker_rwsem){++++..}, at: [<00000000d54c506a>] unregister_shrinker mm/vmscan.c:301 [inline] #1: (shrinker_rwsem){++++..}, at: [<00000000d54c506a>] unregister_shrinker+0x58/0x230 mm/vmscan.c:297 2 locks held by syz-executor.1/2742: #0: (&type->s_umount_key#43){++++..}, at: [<0000000069b0c64d>] deactivate_super fs/super.c:350 [inline] #0: (&type->s_umount_key#43){++++..}, at: [<0000000069b0c64d>] deactivate_super+0x82/0xb0 fs/super.c:347 #1: (shrinker_rwsem){++++..}, at: [<00000000d54c506a>] unregister_shrinker mm/vmscan.c:301 [inline] #1: (shrinker_rwsem){++++..}, at: [<00000000d54c506a>] unregister_shrinker+0x58/0x230 mm/vmscan.c:297 2 locks held by syz-executor.1/2767: #0: (&type->s_umount_key#43){++++..}, at: [<0000000069b0c64d>] deactivate_super fs/super.c:350 [inline] #0: (&type->s_umount_key#43){++++..}, at: [<0000000069b0c64d>] deactivate_super+0x82/0xb0 fs/super.c:347 #1: (shrinker_rwsem){++++..}, at: [<00000000d54c506a>] unregister_shrinker mm/vmscan.c:301 [inline] #1: (shrinker_rwsem){++++..}, at: [<00000000d54c506a>] unregister_shrinker+0x58/0x230 mm/vmscan.c:297 2 locks held by syz-executor.1/2813: #0: (&type->s_umount_key#43){++++..}, at: [<0000000069b0c64d>] deactivate_super fs/super.c:350 [inline] #0: (&type->s_umount_key#43){++++..}, at: [<0000000069b0c64d>] deactivate_super+0x82/0xb0 fs/super.c:347 #1: (shrinker_rwsem){++++..}, at: [<00000000d54c506a>] unregister_shrinker mm/vmscan.c:301 [inline] #1: (shrinker_rwsem){++++..}, at: [<00000000d54c506a>] unregister_shrinker+0x58/0x230 mm/vmscan.c:297 2 locks held by syz-executor.1/2840: #0: (&type->s_umount_key#43){++++..}, at: [<0000000069b0c64d>] deactivate_super fs/super.c:350 [inline] #0: (&type->s_umount_key#43){++++..}, at: [<0000000069b0c64d>] deactivate_super+0x82/0xb0 fs/super.c:347 #1: (shrinker_rwsem){++++..}, at: [<00000000d54c506a>] unregister_shrinker mm/vmscan.c:301 [inline] #1: (shrinker_rwsem){++++..}, at: [<00000000d54c506a>] unregister_shrinker+0x58/0x230 mm/vmscan.c:297 2 locks held by syz-executor.1/2876: #0: (&type->s_umount_key#43){++++..}, at: [<0000000069b0c64d>] deactivate_super fs/super.c:350 [inline] #0: (&type->s_umount_key#43){++++..}, at: [<0000000069b0c64d>] deactivate_super+0x82/0xb0 fs/super.c:347 #1: (shrinker_rwsem){++++..}, at: [<00000000d54c506a>] unregister_shrinker mm/vmscan.c:301 [inline] #1: (shrinker_rwsem){++++..}, at: [<00000000d54c506a>] unregister_shrinker+0x58/0x230 mm/vmscan.c:297 2 locks held by syz-executor.1/2983: #0: (&type->s_umount_key#43){++++..}, at: [<0000000069b0c64d>] deactivate_super fs/super.c:350 [inline] #0: (&type->s_umount_key#43){++++..}, at: [<0000000069b0c64d>] deactivate_super+0x82/0xb0 fs/super.c:347 #1: (shrinker_rwsem){++++..}, at: [<00000000d54c506a>] unregister_shrinker mm/vmscan.c:301 [inline] #1: (shrinker_rwsem){++++..}, at: [<00000000d54c506a>] unregister_shrinker+0x58/0x230 mm/vmscan.c:297 2 locks held by syz-executor.3/2987: #0: (&type->s_umount_key#43){++++..}, at: [<0000000069b0c64d>] deactivate_super fs/super.c:350 [inline] #0: (&type->s_umount_key#43){++++..}, at: [<0000000069b0c64d>] deactivate_super+0x82/0xb0 fs/super.c:347 #1: (shrinker_rwsem){++++..}, at: [<00000000d54c506a>] unregister_shrinker mm/vmscan.c:301 [inline] #1: (shrinker_rwsem){++++..}, at: [<00000000d54c506a>] unregister_shrinker+0x58/0x230 mm/vmscan.c:297 2 locks held by syz-executor.5/3025: #0: (&type->s_umount_key#43){++++..}, at: [<0000000069b0c64d>] deactivate_super fs/super.c:350 [inline] #0: (&type->s_umount_key#43){++++..}, at: [<0000000069b0c64d>] deactivate_super+0x82/0xb0 fs/super.c:347 #1: (shrinker_rwsem){++++..}, at: [<00000000d54c506a>] unregister_shrinker mm/vmscan.c:301 [inline] #1: (shrinker_rwsem){++++..}, at: [<00000000d54c506a>] unregister_shrinker+0x58/0x230 mm/vmscan.c:297 2 locks held by syz-executor.5/3084: #0: (&type->s_umount_key#43){++++..}, at: [<0000000069b0c64d>] deactivate_super fs/super.c:350 [inline] #0: (&type->s_umount_key#43){++++..}, at: [<0000000069b0c64d>] deactivate_super+0x82/0xb0 fs/super.c:347 #1: (shrinker_rwsem){++++..}, at: [<00000000d54c506a>] unregister_shrinker mm/vmscan.c:301 [inline] #1: (shrinker_rwsem){++++..}, at: [<00000000d54c506a>] unregister_shrinker+0x58/0x230 mm/vmscan.c:297 2 locks held by syz-executor.5/3124: #0: (&type->s_umount_key#43){++++..}, at: [<0000000069b0c64d>] deactivate_super fs/super.c:350 [inline] #0: (&type->s_umount_key#43){++++..}, at: [<0000000069b0c64d>] deactivate_super+0x82/0xb0 fs/super.c:347 #1: (shrinker_rwsem){++++..}, at: [<00000000d54c506a>] unregister_shrinker mm/vmscan.c:301 [inline] #1: (shrinker_rwsem){++++..}, at: [<00000000d54c506a>] unregister_shrinker+0x58/0x230 mm/vmscan.c:297 2 locks held by syz-executor.5/3154: #0: (&type->s_umount_key#43){++++..}, at: [<0000000069b0c64d>] deactivate_super fs/super.c:350 [inline] #0: (&type->s_umount_key#43){++++..}, at: [<0000000069b0c64d>] deactivate_super+0x82/0xb0 fs/super.c:347 #1: (shrinker_rwsem){++++..}, at: [<00000000d54c506a>] unregister_shrinker mm/vmscan.c:301 [inline] #1: (shrinker_rwsem){++++..}, at: [<00000000d54c506a>] unregister_shrinker+0x58/0x230 mm/vmscan.c:297 2 locks held by syz-executor.5/3194: #0: (&type->s_umount_key#43){++++..}, at: [<0000000069b0c64d>] deactivate_super fs/super.c:350 [inline] #0: (&type->s_umount_key#43){++++..}, at: [<0000000069b0c64d>] deactivate_super+0x82/0xb0 fs/super.c:347 #1: (shrinker_rwsem){++++..}, at: [<00000000d54c506a>] unregister_shrinker mm/vmscan.c:301 [inline] #1: (shrinker_rwsem){++++..}, at: [<00000000d54c506a>] unregister_shrinker+0x58/0x230 mm/vmscan.c:297 2 locks held by syz-executor.1/3305: #0: (&type->s_umount_key#43){++++..}, at: [<0000000069b0c64d>] deactivate_super fs/super.c:350 [inline] #0: (&type->s_umount_key#43){++++..}, at: [<0000000069b0c64d>] deactivate_super+0x82/0xb0 fs/super.c:347 #1: (shrinker_rwsem){++++..}, at: [<00000000d54c506a>] unregister_shrinker mm/vmscan.c:301 [inline] #1: (shrinker_rwsem){++++..}, at: [<00000000d54c506a>] unregister_shrinker+0x58/0x230 mm/vmscan.c:297 2 locks held by syz-executor.1/3409: #0: (&type->s_umount_key#43){++++..}, at: [<0000000069b0c64d>] deactivate_super fs/super.c:350 [inline] #0: (&type->s_umount_key#43){++++..}, at: [<0000000069b0c64d>] deactivate_super+0x82/0xb0 fs/super.c:347 #1: (shrinker_rwsem){++++..}, at: [<00000000d54c506a>] unregister_shrinker mm/vmscan.c:301 [inline] #1: (shrinker_rwsem){++++..}, at: [<00000000d54c506a>] unregister_shrinker+0x58/0x230 mm/vmscan.c:297 2 locks held by syz-executor.5/3527: #0: (&type->s_umount_key#43){++++..}, at: [<0000000069b0c64d>] deactivate_super fs/super.c:350 [inline] #0: (&type->s_umount_key#43){++++..}, at: [<0000000069b0c64d>] deactivate_super+0x82/0xb0 fs/super.c:347 #1: (shrinker_rwsem){++++..}, at: [<00000000d54c506a>] unregister_shrinker mm/vmscan.c:301 [inline] #1: (shrinker_rwsem){++++..}, at: [<00000000d54c506a>] unregister_shrinker+0x58/0x230 mm/vmscan.c:297 2 locks held by syz-executor.5/3553: #0: (&type->s_umount_key#43){++++..}, at: [<0000000069b0c64d>] deactivate_super fs/super.c:350 [inline] #0: (&type->s_umount_key#43){++++..}, at: [<0000000069b0c64d>] deactivate_super+0x82/0xb0 fs/super.c:347 #1: (shrinker_rwsem){++++..}, at: [<00000000d54c506a>] unregister_shrinker mm/vmscan.c:301 [inline] #1: (shrinker_rwsem){++++..}, at: [<00000000d54c506a>] unregister_shrinker+0x58/0x230 mm/vmscan.c:297 2 locks held by syz-executor.5/3579: #0: (&type->s_umount_key#43){++++..}, at: [<0000000069b0c64d>] deactivate_super fs/super.c:350 [inline] #0: (&type->s_umount_key#43){++++..}, at: [<0000000069b0c64d>] deactivate_super+0x82/0xb0 fs/super.c:347 #1: (shrinker_rwsem){++++..}, at: [<00000000d54c506a>] unregister_shrinker mm/vmscan.c:301 [inline] #1: (shrinker_rwsem){++++..}, at: [<00000000d54c506a>] unregister_shrinker+0x58/0x230 mm/vmscan.c:297 2 locks held by syz-executor.5/3610: #0: (&type->s_umount_key#43){++++..}, at: [<0000000069b0c64d>] deactivate_super fs/super.c:350 [inline] #0: (&type->s_umount_key#43){++++..}, at: [<0000000069b0c64d>] deactivate_super+0x82/0xb0 fs/super.c:347 #1: (shrinker_rwsem){++++..}, at: [<00000000d54c506a>] unregister_shrinker mm/vmscan.c:301 [inline] #1: (shrinker_rwsem){++++..}, at: [<00000000d54c506a>] unregister_shrinker+0x58/0x230 mm/vmscan.c:297 2 locks held by syz-executor.1/3816: #0: (&type->s_umount_key#43){++++..}, at: [<0000000069b0c64d>] deactivate_super fs/super.c:350 [inline] #0: (&type->s_umount_key#43){++++..}, at: [<0000000069b0c64d>] deactivate_super+0x82/0xb0 fs/super.c:347 #1: (shrinker_rwsem){++++..}, at: [<00000000d54c506a>] unregister_shrinker mm/vmscan.c:301 [inline] #1: (shrinker_rwsem){++++..}, at: [<00000000d54c506a>] unregister_shrinker+0x58/0x230 mm/vmscan.c:297 2 locks held by syz-executor.1/3889: #0: (&type->s_umount_key#43){++++..}, at: [<0000000069b0c64d>] deactivate_super fs/super.c:350 [inline] #0: (&type->s_umount_key#43){++++..}, at: [<0000000069b0c64d>] deactivate_super+0x82/0xb0 fs/super.c:347 #1: (shrinker_rwsem){++++..}, at: [<00000000d54c506a>] unregister_shrinker mm/vmscan.c:301 [inline] #1: (shrinker_rwsem){++++..}, at: [<00000000d54c506a>] unregister_shrinker+0x58/0x230 mm/vmscan.c:297 2 locks held by syz-executor.1/3928: #0: (&type->s_umount_key#43){++++..}, at: [<0000000069b0c64d>] deactivate_super fs/super.c:350 [inline] #0: (&type->s_umount_key#43){++++..}, at: [<0000000069b0c64d>] deactivate_super+0x82/0xb0 fs/super.c:347 #1: (shrinker_rwsem){++++..}, at: [<00000000d54c506a>] unregister_shrinker mm/vmscan.c:301 [inline] #1: (shrinker_rwsem){++++..}, at: [<00000000d54c506a>] unregister_shrinker+0x58/0x230 mm/vmscan.c:297 2 locks held by syz-executor.3/3944: #0: (&type->s_umount_key#43){++++..}, at: [<0000000069b0c64d>] deactivate_super fs/super.c:350 [inline] #0: (&type->s_umount_key#43){++++..}, at: [<0000000069b0c64d>] deactivate_super+0x82/0xb0 fs/super.c:347 #1: (shrinker_rwsem){++++..}, at: [<00000000d54c506a>] unregister_shrinker mm/vmscan.c:301 [inline] #1: (shrinker_rwsem){++++..}, at: [<00000000d54c506a>] unregister_shrinker+0x58/0x230 mm/vmscan.c:297 2 locks held by syz-executor.1/3976: #0: (&type->s_umount_key#43){++++..}, at: [<0000000069b0c64d>] deactivate_super fs/super.c:350 [inline] #0: (&type->s_umount_key#43){++++..}, at: [<0000000069b0c64d>] deactivate_super+0x82/0xb0 fs/super.c:347 #1: (shrinker_rwsem){++++..}, at: [<00000000d54c506a>] unregister_shrinker mm/vmscan.c:301 [inline] #1: (shrinker_rwsem){++++..}, at: [<00000000d54c506a>] unregister_shrinker+0x58/0x230 mm/vmscan.c:297 2 locks held by syz-executor.3/3984: #0: (&type->s_umount_key#43){++++..}, at: [<0000000069b0c64d>] deactivate_super fs/super.c:350 [inline] #0: (&type->s_umount_key#43){++++..}, at: [<0000000069b0c64d>] deactivate_super+0x82/0xb0 fs/super.c:347 #1: (shrinker_rwsem){++++..}, at: [<00000000d54c506a>] unregister_shrinker mm/vmscan.c:301 [inline] #1: (shrinker_rwsem){++++..}, at: [<00000000d54c506a>] unregister_shrinker+0x58/0x230 mm/vmscan.c:297 2 locks held by syz-executor.1/4001: #0: (&type->s_umount_key#43){++++..}, at: [<0000000069b0c64d>] deactivate_super fs/super.c:350 [inline] #0: (&type->s_umount_key#43){++++..}, at: [<0000000069b0c64d>] deactivate_super+0x82/0xb0 fs/super.c:347 #1: (shrinker_rwsem){++++..}, at: [<00000000d54c506a>] unregister_shrinker mm/vmscan.c:301 [inline] #1: (shrinker_rwsem){++++..}, at: [<00000000d54c506a>] unregister_shrinker+0x58/0x230 mm/vmscan.c:297 2 locks held by syz-executor.1/4035: #0: (&type->s_umount_key#43){++++..}, at: [<0000000069b0c64d>] deactivate_super fs/super.c:350 [inline] #0: (&type->s_umount_key#43){++++..}, at: [<0000000069b0c64d>] deactivate_super+0x82/0xb0 fs/super.c:347 #1: (shrinker_rwsem){++++..}, at: [<00000000d54c506a>] unregister_shrinker mm/vmscan.c:301 [inline] #1: (shrinker_rwsem){++++..}, at: [<00000000d54c506a>] unregister_shrinker+0x58/0x230 mm/vmscan.c:297 2 locks held by syz-executor.3/4044: #0: (&type->s_umount_key#43){++++..}, at: [<0000000069b0c64d>] deactivate_super fs/super.c:350 [inline] #0: (&type->s_umount_key#43){++++..}, at: [<0000000069b0c64d>] deactivate_super+0x82/0xb0 fs/super.c:347 #1: (shrinker_rwsem){++++..}, at: [<00000000d54c506a>] unregister_shrinker mm/vmscan.c:301 [inline] #1: (shrinker_rwsem){++++..}, at: [<00000000d54c506a>] unregister_shrinker+0x58/0x230 mm/vmscan.c:297 2 locks held by syz-executor.1/4060: #0: (&type->s_umount_key#43){++++..}, at: [<0000000069b0c64d>] deactivate_super fs/super.c:350 [inline] #0: (&type->s_umount_key#43){++++..}, at: [<0000000069b0c64d>] deactivate_super+0x82/0xb0 fs/super.c:347 #1: (shrinker_rwsem){++++..}, at: [<00000000d54c506a>] unregister_shrinker mm/vmscan.c:301 [inline] #1: (shrinker_rwsem){++++..}, at: [<00000000d54c506a>] unregister_shrinker+0x58/0x230 mm/vmscan.c:297 2 locks held by syz-executor.1/4162: #0: (&type->s_umount_key#43){++++..}, at: [<0000000069b0c64d>] deactivate_super fs/super.c:350 [inline] #0: (&type->s_umount_key#43){++++..}, at: [<0000000069b0c64d>] deactivate_super+0x82/0xb0 fs/super.c:347 #1: (shrinker_rwsem){++++..}, at: [<00000000d54c506a>] unregister_shrinker mm/vmscan.c:301 [inline] #1: (shrinker_rwsem){++++..}, at: [<00000000d54c506a>] unregister_shrinker+0x58/0x230 mm/vmscan.c:297 1 lock held by syz-executor.5/5999: #0: (&sb->s_type->i_mutex_key#8){+.+.+.}, at: [<0000000051df4695>] inode_lock include/linux/fs.h:768 [inline] #0: (&sb->s_type->i_mutex_key#8){+.+.+.}, at: [<0000000051df4695>] __sock_release+0x89/0x2c0 net/socket.c:604 1 lock held by syz-executor.5/6033: #0: (&sb->s_type->i_mutex_key#8){+.+.+.}, at: [<0000000051df4695>] inode_lock include/linux/fs.h:768 [inline] #0: (&sb->s_type->i_mutex_key#8){+.+.+.}, at: [<0000000051df4695>] __sock_release+0x89/0x2c0 net/socket.c:604 ============================================= NMI backtrace for cpu 0 CPU: 0 PID: 24 Comm: khungtaskd Not tainted 4.9.170+ #48 ffff8801d98d7cc8 ffffffff81b4fb21 0000000000000000 0000000000000000 0000000000000000 ffffffff81097401 dffffc0000000000 ffff8801d98d7d00 ffffffff81b5adbc 0000000000000000 0000000000000000 0000000000000000 Call Trace: [<00000000181034ce>] __dump_stack lib/dump_stack.c:15 [inline] [<00000000181034ce>] dump_stack+0xc1/0x120 lib/dump_stack.c:51 [<0000000037519ece>] nmi_cpu_backtrace.cold+0x47/0x87 lib/nmi_backtrace.c:99 [<00000000c55d12d4>] nmi_trigger_cpumask_backtrace+0x124/0x155 lib/nmi_backtrace.c:60 [<00000000ee46bf4f>] arch_trigger_cpumask_backtrace+0x14/0x20 arch/x86/kernel/apic/hw_nmi.c:37 [<0000000058364d94>] trigger_all_cpu_backtrace include/linux/nmi.h:58 [inline] [<0000000058364d94>] check_hung_task kernel/hung_task.c:126 [inline] [<0000000058364d94>] check_hung_uninterruptible_tasks kernel/hung_task.c:183 [inline] [<0000000058364d94>] watchdog+0x670/0xaf0 kernel/hung_task.c:263 [<000000001d643508>] kthread+0x278/0x310 kernel/kthread.c:211 [<000000009b19af47>] ret_from_fork+0x5c/0x70 arch/x86/entry/entry_64.S:373 Sending NMI from CPU 0 to CPUs 1: NMI backtrace for cpu 1 CPU: 1 PID: 5321 Comm: syz-executor.1 Not tainted 4.9.170+ #48 task: 0000000075db2d02 task.stack: 000000001978576f RIP: 0010:[] c [<000000006694d619>] __read_once_size include/linux/compiler.h:243 [inline] RIP: 0010:[] c [<000000006694d619>] compound_head include/linux/page-flags.h:145 [inline] RIP: 0010:[] c [<000000006694d619>] PageUnevictable include/linux/page-flags.h:333 [inline] RIP: 0010:[] c [<000000006694d619>] page_lru include/linux/mm_inline.h:110 [inline] RIP: 0010:[] c [<000000006694d619>] putback_inactive_pages+0x25e/0xcc0 mm/vmscan.c:1661 RSP: 0018:ffff88015fcfea30 EFLAGS: 00000006 RAX: ffff8801c55b17c0 RBX: ffffea0006e8db20 RCX: 0000000000000003 RDX: 0000000000000000 RSI: ffffffff81456988 RDI: 0000000000000046 RBP: ffff88015fcfeb10 R08: 0000000000000000 R09: 0000000000000001 R10: 0000000000000000 R11: 0000000000000001 R12: ffffea0006e8db00 R13: dffffc0000000000 R14: dead000000000100 R15: ffffea0006e8db00 FS: 00007fb533b19700(0000) GS:ffff8801db700000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000810717 CR3: 00000001da509000 CR4: 00000000001606b0 Stack: ffff88015fcfeca0c 1ffff1002bf9fd51c ffffed002bf9fd93c ffffed002bf9fd94c ffffffff833d8c40c ffff880100000003c ffffffff833d8780c ffff88015fcfec98c 0000000200000000c ffffffff833d9778c ffffea0006e8db28c 0000000041b58ab3c Call Trace: [<000000001fb9d090>] shrink_inactive_list+0x6bf/0xd60 mm/vmscan.c:1801 [<00000000d58eb3db>] shrink_list mm/vmscan.c:2096 [inline] [<00000000d58eb3db>] shrink_node_memcg.isra.0+0xba6/0x1360 mm/vmscan.c:2379 [<000000007e714f94>] shrink_node+0x17d/0x750 mm/vmscan.c:2569 [<000000002533df1f>] shrink_zones mm/vmscan.c:2751 [inline] [<000000002533df1f>] do_try_to_free_pages mm/vmscan.c:2793 [inline] [<000000002533df1f>] try_to_free_pages+0x397/0xbd0 mm/vmscan.c:3004 [<000000004fbe9d53>] __perform_reclaim mm/page_alloc.c:3332 [inline] [<000000004fbe9d53>] __alloc_pages_direct_reclaim mm/page_alloc.c:3354 [inline] [<000000004fbe9d53>] __alloc_pages_slowpath mm/page_alloc.c:3704 [inline] [<000000004fbe9d53>] __alloc_pages_nodemask+0x930/0x1a80 mm/page_alloc.c:3861 [<00000000a1db09d7>] __alloc_pages include/linux/gfp.h:433 [inline] [<00000000a1db09d7>] __alloc_pages_node include/linux/gfp.h:446 [inline] [<00000000a1db09d7>] alloc_slab_page mm/slub.c:1408 [inline] [<00000000a1db09d7>] allocate_slab mm/slub.c:1557 [inline] [<00000000a1db09d7>] new_slab+0x33b/0x3e0 mm/slub.c:1635 [<00000000a49a4d23>] new_slab_objects mm/slub.c:2419 [inline] [<00000000a49a4d23>] ___slab_alloc.constprop.0+0x361/0x470 mm/slub.c:2576 [<0000000077063168>] __slab_alloc.isra.0.constprop.0+0x50/0xa0 mm/slub.c:2618 [<00000000b1b0d918>] slab_alloc_node mm/slub.c:2681 [inline] [<00000000b1b0d918>] slab_alloc mm/slub.c:2723 [inline] [<00000000b1b0d918>] __kmalloc+0x273/0x320 mm/slub.c:3737 [<00000000175d0f93>] kmalloc include/linux/slab.h:495 [inline] [<00000000175d0f93>] kzalloc include/linux/slab.h:636 [inline] [<00000000175d0f93>] ext4_ext_remove_space+0x29d/0x3aa0 fs/ext4/extents.c:2941 [<00000000422aed0e>] ext4_ext_truncate+0x17e/0x280 fs/ext4/extents.c:4664 [<00000000f6b19eda>] ext4_truncate+0x526/0x1300 fs/ext4/inode.c:4248 [<00000000db45fa42>] ext4_evict_inode+0xc42/0x1270 fs/ext4/inode.c:265 [<000000007cf490a1>] evict+0x2e9/0x630 fs/inode.c:553 [<00000000993ebdc2>] iput_final fs/inode.c:1516 [inline] [<00000000993ebdc2>] iput fs/inode.c:1543 [inline] [<00000000993ebdc2>] iput+0x370/0x900 fs/inode.c:1528 [<0000000028c0ccc6>] dentry_unlink_inode+0x277/0x330 fs/dcache.c:368 [<00000000ed364ccc>] __dentry_kill+0x333/0x580 fs/dcache.c:570 [<000000000a5de739>] dentry_kill fs/dcache.c:611 [inline] [<000000000a5de739>] dput.part.0+0x509/0x7c0 fs/dcache.c:828 [<0000000017a83f3b>] dput+0x20/0x30 fs/dcache.c:790 [<000000008ac8a682>] path_put+0x31/0x70 fs/namei.c:516 [<000000008829c004>] free_fs_struct+0x25/0x70 fs/fs_struct.c:90 [<0000000020cc2c43>] exit_fs+0xe7/0x120 fs/fs_struct.c:108 [<00000000cd5aa1c8>] do_exit+0x765/0x2aa0 kernel/exit.c:837 [<0000000069a1687b>] do_group_exit+0x111/0x300 kernel/exit.c:945 [<00000000e5152cfe>] get_signal+0x348/0x1aa0 kernel/signal.c:2380 [<00000000cfc1231e>] do_signal+0x9c/0x1920 arch/x86/kernel/signal.c:807 [<000000008ab35ed8>] exit_to_usermode_loop+0x11c/0x160 arch/x86/entry/common.c:158 [<00000000c33a0822>] prepare_exit_to_usermode arch/x86/entry/common.c:194 [inline] [<00000000c33a0822>] syscall_return_slowpath arch/x86/entry/common.c:263 [inline] [<00000000c33a0822>] do_syscall_64+0x3f7/0x570 arch/x86/entry/common.c:290 [<0000000046934b90>] entry_SYSCALL_64_after_swapgs+0x5d/0xdb Code: cd8 c48 cc1 ce8 c03 c42 c80 c3c c28 c00 c0f c85 c90 c08 c00 c00 c4c c8b c33 c4d c89 cfc c41 cf6 cc6 c01 c0f c85 c92 c07 c00 c00 ce8 c28 c68 cec cff cf0 c41 c80 c0c c24 c20 c<48> c89 cd8 c48 cc1 ce8 c03 c42 c80 c3c c28 c00 c0f c85 c56 c08 c00 c00 c4c c8b c33 c