INFO: task kworker/u4:1:9721 blocked for more than 147 seconds. Not tainted 5.6.0-rc3-next-20200225-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. kworker/u4:1 D24496 9721 2 0x80004000 Workqueue: wg-kex-wg1 wg_packet_handshake_send_worker Call Trace: context_switch kernel/sched/core.c:3380 [inline] __schedule+0x934/0x1f90 kernel/sched/core.c:4080 schedule+0xdc/0x2b0 kernel/sched/core.c:4154 rwsem_down_write_slowpath+0x6e8/0xf80 kernel/locking/rwsem.c:1235 __down_write kernel/locking/rwsem.c:1389 [inline] down_write+0x13c/0x150 kernel/locking/rwsem.c:1532 wg_noise_handshake_create_initiation+0xd6/0x670 drivers/net/wireguard/noise.c:504 wg_packet_send_handshake_initiation+0x185/0x250 drivers/net/wireguard/send.c:34 wg_packet_handshake_send_worker+0x1d/0x30 drivers/net/wireguard/send.c:51 process_one_work+0xa05/0x17a0 kernel/workqueue.c:2266 worker_thread+0x98/0xe40 kernel/workqueue.c:2412 kthread+0x361/0x430 kernel/kthread.c:255 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:352 Showing all locks held in the system: 2 locks held by init/1: 1 lock held by kthreadd/2: #0: ffffffff89c532e0 (fs_reclaim){+.+.}, at: fs_reclaim_acquire.part.0+0x0/0x30 include/linux/uaccess.h:173 1 lock held by khungtaskd/1105: #0: ffffffff89badac0 (rcu_read_lock){....}, at: debug_show_all_locks+0x5f/0x279 kernel/locking/lockdep.c:5546 4 locks held by kworker/0:3/2682: #0: ffff888091969528 ((wq_completion)wg-kex-wg1#8){+.+.}, at: __write_once_size include/linux/compiler.h:250 [inline] #0: ffff888091969528 ((wq_completion)wg-kex-wg1#8){+.+.}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline] #0: ffff888091969528 ((wq_completion)wg-kex-wg1#8){+.+.}, at: atomic64_set include/asm-generic/atomic-instrumented.h:856 [inline] #0: ffff888091969528 ((wq_completion)wg-kex-wg1#8){+.+.}, at: atomic_long_set include/asm-generic/atomic-long.h:41 [inline] #0: ffff888091969528 ((wq_completion)wg-kex-wg1#8){+.+.}, at: set_work_data kernel/workqueue.c:615 [inline] #0: ffff888091969528 ((wq_completion)wg-kex-wg1#8){+.+.}, at: set_work_pool_and_clear_pending kernel/workqueue.c:642 [inline] #0: ffff888091969528 ((wq_completion)wg-kex-wg1#8){+.+.}, at: process_one_work+0x8dd/0x17a0 kernel/workqueue.c:2237 #1: ffffc900081a7dc0 ((work_completion)(&({ do { const void *__vpp_verify = (typeof((worker) + 0))((void *)0); (void)__vpp_verify; } while (0); ({ unsigned long __ptr; __asm__ ("" : "=r"(__ptr) : "0"((typeof(*((worker))) *)((worker)))); (typeof((typeof(*((worker))) *)((worker)))) (__ptr + (((__per_cpu_offset[(cpu)])))); }); })->work)){+.+.}, at: process_one_work+0x917/0x17a0 kernel/workqueue.c:2241 #2: ffff888044db4f00 (&wg->static_identity.lock){++++}, at: wg_noise_handshake_consume_initiation+0xbc/0x970 drivers/net/wireguard/noise.c:573 #3: ffff888042d4e570 (&handshake->lock){++++}, at: wg_noise_handshake_consume_initiation+0x3dd/0x970 drivers/net/wireguard/noise.c:607 3 locks held by kworker/0:21/2773: #0: ffff8880977ef928 ((wq_completion)wg-kex-wg1#12){+.+.}, at: __write_once_size include/linux/compiler.h:250 [inline] #0: ffff8880977ef928 ((wq_completion)wg-kex-wg1#12){+.+.}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline] #0: ffff8880977ef928 ((wq_completion)wg-kex-wg1#12){+.+.}, at: atomic64_set include/asm-generic/atomic-instrumented.h:856 [inline] #0: ffff8880977ef928 ((wq_completion)wg-kex-wg1#12){+.+.}, at: atomic_long_set include/asm-generic/atomic-long.h:41 [inline] #0: ffff8880977ef928 ((wq_completion)wg-kex-wg1#12){+.+.}, at: set_work_data kernel/workqueue.c:615 [inline] #0: ffff8880977ef928 ((wq_completion)wg-kex-wg1#12){+.+.}, at: set_work_pool_and_clear_pending kernel/workqueue.c:642 [inline] #0: ffff8880977ef928 ((wq_completion)wg-kex-wg1#12){+.+.}, at: process_one_work+0x8dd/0x17a0 kernel/workqueue.c:2237 #1: ffffc900087a7dc0 ((work_completion)(&({ do { const void *__vpp_verify = (typeof((worker) + 0))((void *)0); (void)__vpp_verify; } while (0); ({ unsigned long __ptr; __asm__ ("" : "=r"(__ptr) : "0"((typeof(*((worker))) *)((worker)))); (typeof((typeof(*((worker))) *)((worker)))) (__ptr + (((__per_cpu_offset[(cpu)])))); }); })->work)){+.+.}, at: process_one_work+0x917/0x17a0 kernel/workqueue.c:2241 #2: ffff888042154570 (&handshake->lock){++++}, at: wg_noise_handshake_begin_session+0x30/0xe42 drivers/net/wireguard/noise.c:793 4 locks held by kworker/1:98/2974: #0: ffff888091969528 ((wq_completion)wg-kex-wg1#8){+.+.}, at: __write_once_size include/linux/compiler.h:250 [inline] #0: ffff888091969528 ((wq_completion)wg-kex-wg1#8){+.+.}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline] #0: ffff888091969528 ((wq_completion)wg-kex-wg1#8){+.+.}, at: atomic64_set include/asm-generic/atomic-instrumented.h:856 [inline] #0: ffff888091969528 ((wq_completion)wg-kex-wg1#8){+.+.}, at: atomic_long_set include/asm-generic/atomic-long.h:41 [inline] #0: ffff888091969528 ((wq_completion)wg-kex-wg1#8){+.+.}, at: set_work_data kernel/workqueue.c:615 [inline] #0: ffff888091969528 ((wq_completion)wg-kex-wg1#8){+.+.}, at: set_work_pool_and_clear_pending kernel/workqueue.c:642 [inline] #0: ffff888091969528 ((wq_completion)wg-kex-wg1#8){+.+.}, at: process_one_work+0x8dd/0x17a0 kernel/workqueue.c:2237 #1: ffffc90009087dc0 ((work_completion)(&({ do { const void *__vpp_verify = (typeof((worker) + 0))((void *)0); (void)__vpp_verify; } while (0); ({ unsigned long __ptr; __asm__ ("" : "=r"(__ptr) : "0"((typeof(*((worker))) *)((worker)))); (typeof((typeof(*((worker))) *)((worker)))) (__ptr + (((__per_cpu_offset[(cpu)])))); }); })->work)){+.+.}, at: process_one_work+0x917/0x17a0 kernel/workqueue.c:2241 #2: ffff888042d4e570 (&handshake->lock){++++}, at: wg_noise_handshake_begin_session+0x30/0xe42 drivers/net/wireguard/noise.c:793 #3: ffffffff89c532e0 (fs_reclaim){+.+.}, at: fs_reclaim_acquire.part.0+0x0/0x30 include/linux/uaccess.h:173 1 lock held by udevd/4311: 2 locks held by rsyslogd/9566: 2 locks held by rsyslogd/9567: 2 locks held by cron/9607: #0: ffff88808b63e568 (&ei->i_mmap_sem){++++}, at: ext4_filemap_fault+0x7e/0xb2 fs/ext4/inode.c:6019 #1: ffffffff89c532e0 (fs_reclaim){+.+.}, at: fs_reclaim_acquire.part.0+0x0/0x30 include/linux/uaccess.h:173 2 locks held by getty/9657: #0: ffff8880979dd090 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40 drivers/tty/tty_ldsem.c:340 #1: ffffc900017db2e0 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x220/0x1bf0 drivers/tty/n_tty.c:2156 2 locks held by getty/9658: #0: ffff888098be9090 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40 drivers/tty/tty_ldsem.c:340 #1: ffffc9000186b2e0 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x220/0x1bf0 drivers/tty/n_tty.c:2156 2 locks held by getty/9659: #0: ffff8880976ab090 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40 drivers/tty/tty_ldsem.c:340 #1: ffffc900017eb2e0 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x220/0x1bf0 drivers/tty/n_tty.c:2156 2 locks held by getty/9660: #0: ffff888097879090 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40 drivers/tty/tty_ldsem.c:340 #1: ffffc9000184b2e0 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x220/0x1bf0 drivers/tty/n_tty.c:2156 2 locks held by getty/9661: #0: ffff8880979ef090 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40 drivers/tty/tty_ldsem.c:340 #1: ffffc9000182b2e0 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x220/0x1bf0 drivers/tty/n_tty.c:2156 2 locks held by getty/9662: #0: ffff8880981d5090 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40 drivers/tty/tty_ldsem.c:340 #1: ffffc9000185b2e0 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x220/0x1bf0 drivers/tty/n_tty.c:2156 2 locks held by getty/9663: #0: ffff8880a2c3d090 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40 drivers/tty/tty_ldsem.c:340 #1: ffffc900017ab2e0 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x220/0x1bf0 drivers/tty/n_tty.c:2156 3 locks held by sshd/9676: 1 lock held by syz-fuzzer/9679: 2 locks held by syz-fuzzer/9683: #0: ffff888092034428 (&ei->i_mmap_sem){++++}, at: ext4_filemap_fault+0x7e/0xb2 fs/ext4/inode.c:6019 #1: ffffffff89c532e0 (fs_reclaim){+.+.}, at: fs_reclaim_acquire.part.0+0x0/0x30 include/linux/uaccess.h:173 2 locks held by syz-fuzzer/9684: 2 locks held by syz-executor.0/9696: #0: ffff8880aa06a468 (&ei->i_mmap_sem){++++}, at: ext4_filemap_fault+0x7e/0xb2 fs/ext4/inode.c:6019 #1: ffffffff89c532e0 (fs_reclaim){+.+.}, at: fs_reclaim_acquire.part.0+0x0/0x30 include/linux/uaccess.h:173 1 lock held by syz-executor.3/9712: 4 locks held by kworker/u4:1/9721: #0: ffff8880977ef528 ((wq_completion)wg-kex-wg1#11){+.+.}, at: __write_once_size include/linux/compiler.h:250 [inline] #0: ffff8880977ef528 ((wq_completion)wg-kex-wg1#11){+.+.}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline] #0: ffff8880977ef528 ((wq_completion)wg-kex-wg1#11){+.+.}, at: atomic64_set include/asm-generic/atomic-instrumented.h:856 [inline] #0: ffff8880977ef528 ((wq_completion)wg-kex-wg1#11){+.+.}, at: atomic_long_set include/asm-generic/atomic-long.h:41 [inline] #0: ffff8880977ef528 ((wq_completion)wg-kex-wg1#11){+.+.}, at: set_work_data kernel/workqueue.c:615 [inline] #0: ffff8880977ef528 ((wq_completion)wg-kex-wg1#11){+.+.}, at: set_work_pool_and_clear_pending kernel/workqueue.c:642 [inline] #0: ffff8880977ef528 ((wq_completion)wg-kex-wg1#11){+.+.}, at: process_one_work+0x8dd/0x17a0 kernel/workqueue.c:2237 #1: ffffc90002697dc0 ((work_completion)(&peer->transmit_handshake_work)){+.+.}, at: process_one_work+0x917/0x17a0 kernel/workqueue.c:2241 #2: ffff888043d3cf00 (&wg->static_identity.lock){++++}, at: wg_noise_handshake_create_initiation+0xc0/0x670 drivers/net/wireguard/noise.c:503 #3: ffff888042154570 (&handshake->lock){++++}, at: wg_noise_handshake_create_initiation+0xd6/0x670 drivers/net/wireguard/noise.c:504 4 locks held by kworker/1:1/9727: #0: ffff8880977ef928 ((wq_completion)wg-kex-wg1#12){+.+.}, at: __write_once_size include/linux/compiler.h:250 [inline] #0: ffff8880977ef928 ((wq_completion)wg-kex-wg1#12){+.+.}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline] #0: ffff8880977ef928 ((wq_completion)wg-kex-wg1#12){+.+.}, at: atomic64_set include/asm-generic/atomic-instrumented.h:856 [inline] #0: ffff8880977ef928 ((wq_completion)wg-kex-wg1#12){+.+.}, at: atomic_long_set include/asm-generic/atomic-long.h:41 [inline] #0: ffff8880977ef928 ((wq_completion)wg-kex-wg1#12){+.+.}, at: set_work_data kernel/workqueue.c:615 [inline] #0: ffff8880977ef928 ((wq_completion)wg-kex-wg1#12){+.+.}, at: set_work_pool_and_clear_pending kernel/workqueue.c:642 [inline] #0: ffff8880977ef928 ((wq_completion)wg-kex-wg1#12){+.+.}, at: process_one_work+0x8dd/0x17a0 kernel/workqueue.c:2237 #1: ffffc90002d17dc0 ((work_completion)(&({ do { const void *__vpp_verify = (typeof((worker) + 0))((void *)0); (void)__vpp_verify; } while (0); ({ unsigned long __ptr; __asm__ ("" : "=r"(__ptr) : "0"((typeof(*((worker))) *)((worker)))); (typeof((typeof(*((worker))) *)((worker)))) (__ptr + (((__per_cpu_offset[(cpu)])))); }); })->work)){+.+.}, at: process_one_work+0x917/0x17a0 kernel/workqueue.c:2241 #2: ffff888043d3cf00 (&wg->static_identity.lock){++++}, at: wg_noise_handshake_consume_initiation+0xbc/0x970 drivers/net/wireguard/noise.c:573 #3: ffff888042154570 (&handshake->lock){++++}, at: wg_noise_handshake_consume_initiation+0x3dd/0x970 drivers/net/wireguard/noise.c:607 4 locks held by kworker/u4:4/10586: 3 locks held by kworker/1:4/10658: 4 locks held by kworker/u4:14/16023: #0: ffff888091969128 ((wq_completion)wg-kex-wg1#7){+.+.}, at: __write_once_size include/linux/compiler.h:250 [inline] #0: ffff888091969128 ((wq_completion)wg-kex-wg1#7){+.+.}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline] #0: ffff888091969128 ((wq_completion)wg-kex-wg1#7){+.+.}, at: atomic64_set include/asm-generic/atomic-instrumented.h:856 [inline] #0: ffff888091969128 ((wq_completion)wg-kex-wg1#7){+.+.}, at: atomic_long_set include/asm-generic/atomic-long.h:41 [inline] #0: ffff888091969128 ((wq_completion)wg-kex-wg1#7){+.+.}, at: set_work_data kernel/workqueue.c:615 [inline] #0: ffff888091969128 ((wq_completion)wg-kex-wg1#7){+.+.}, at: set_work_pool_and_clear_pending kernel/workqueue.c:642 [inline] #0: ffff888091969128 ((wq_completion)wg-kex-wg1#7){+.+.}, at: process_one_work+0x8dd/0x17a0 kernel/workqueue.c:2237 #1: ffffc90003217dc0 ((work_completion)(&peer->transmit_handshake_work)){+.+.}, at: process_one_work+0x917/0x17a0 kernel/workqueue.c:2241 #2: ffff888044db4f00 (&wg->static_identity.lock){++++}, at: wg_noise_handshake_create_initiation+0xc0/0x670 drivers/net/wireguard/noise.c:503 #3: ffff888042d4e570 (&handshake->lock){++++}, at: wg_noise_handshake_create_initiation+0xd6/0x670 drivers/net/wireguard/noise.c:504 4 locks held by kworker/u4:15/16027: 1 lock held by udevd/5057: 2 locks held by udevd/5079: #0: ffff8880a1a115e8 (&ei->i_mmap_sem){++++}, at: ext4_filemap_fault+0x7e/0xb2 fs/ext4/inode.c:6019 #1: ffffffff89c532e0 (fs_reclaim){+.+.}, at: fs_reclaim_acquire.part.0+0x0/0x30 include/linux/uaccess.h:173 2 locks held by udevd/7227: 1 lock held by udevd/7228: 2 locks held by blkid/7230: #0: ffff8880a1a115e8 (&ei->i_mmap_sem){++++}, at: ext4_filemap_fault+0x7e/0xb2 fs/ext4/inode.c:6019 #1: ffffffff89c532e0 (fs_reclaim){+.+.}, at: fs_reclaim_acquire.part.0+0x0/0x30 include/linux/uaccess.h:173 2 locks held by blkid/7231: 2 locks held by blkid/7232: 2 locks held by blkid/7233: #0: ffff88803f187718 (&mm->mmap_sem#2){++++}, at: do_user_addr_fault arch/x86/mm/fault.c:1405 [inline] #0: ffff88803f187718 (&mm->mmap_sem#2){++++}, at: do_page_fault+0x34b/0x12e1 arch/x86/mm/fault.c:1539 #1: ffffffff89c532e0 (fs_reclaim){+.+.}, at: fs_reclaim_acquire.part.0+0x0/0x30 include/linux/uaccess.h:173 2 locks held by blkid/7234: #0: ffff88803fa4a358 (&mm->mmap_sem#2){++++}, at: do_user_addr_fault arch/x86/mm/fault.c:1405 [inline] #0: ffff88803fa4a358 (&mm->mmap_sem#2){++++}, at: do_page_fault+0x34b/0x12e1 arch/x86/mm/fault.c:1539 #1: ffffffff89c532e0 (fs_reclaim){+.+.}, at: fs_reclaim_acquire.part.0+0x0/0x30 include/linux/uaccess.h:173 2 locks held by udevd/7236: 2 locks held by udevd/7237: 2 locks held by blkid/7238: #0: ffff8880a079ae98 (&mm->mmap_sem#2){++++}, at: do_user_addr_fault arch/x86/mm/fault.c:1405 [inline] #0: ffff8880a079ae98 (&mm->mmap_sem#2){++++}, at: do_page_fault+0x34b/0x12e1 arch/x86/mm/fault.c:1539 #1: ffffffff89c532e0 (fs_reclaim){+.+.}, at: fs_reclaim_acquire.part.0+0x0/0x30 include/linux/uaccess.h:173 2 locks held by blkid/7239: 2 locks held by udevd/7240: 1 lock held by udevd/7241: 2 locks held by udevd/7242: 2 locks held by udevd/7243: 4 locks held by blkid/7244: 2 locks held by blkid/7245: 2 locks held by blkid/7246: 1 lock held by udevd/7248: 2 locks held by blkid/7249: #0: ffff888054062e58 (&mm->mmap_sem#2){++++}, at: do_user_addr_fault arch/x86/mm/fault.c:1405 [inline] #0: ffff888054062e58 (&mm->mmap_sem#2){++++}, at: do_page_fault+0x34b/0x12e1 arch/x86/mm/fault.c:1539 #1: ffffffff89c532e0 (fs_reclaim){+.+.}, at: fs_reclaim_acquire.part.0+0x0/0x30 include/linux/uaccess.h:173 2 locks held by blkid/7251: 2 locks held by blkid/7252: 2 locks held by blkid/7262: #0: ffff8880a04cd658 (&mm->mmap_sem#2){++++}, at: do_user_addr_fault arch/x86/mm/fault.c:1405 [inline] #0: ffff8880a04cd658 (&mm->mmap_sem#2){++++}, at: do_page_fault+0x34b/0x12e1 arch/x86/mm/fault.c:1539 #1: ffffffff89c532e0 (fs_reclaim){+.+.}, at: fs_reclaim_acquire.part.0+0x0/0x30 include/linux/uaccess.h:173 2 locks held by blkid/7266: #0: ffff888014b8b5d8 (&mm->mmap_sem#2){++++}, at: do_user_addr_fault arch/x86/mm/fault.c:1405 [inline] #0: ffff888014b8b5d8 (&mm->mmap_sem#2){++++}, at: do_page_fault+0x34b/0x12e1 arch/x86/mm/fault.c:1539 #1: ffffffff89c532e0 (fs_reclaim){+.+.}, at: fs_reclaim_acquire.part.0+0x0/0x30 include/linux/uaccess.h:173 2 locks held by udevd/7268: #0: ffff8880a1a115e8 (&ei->i_mmap_sem){++++}, at: ext4_filemap_fault+0x7e/0xb2 fs/ext4/inode.c:6019 #1: ffffffff89c532e0 (fs_reclaim){+.+.}, at: fs_reclaim_acquire.part.0+0x0/0x30 include/linux/uaccess.h:173 2 locks held by blkid/7274: #0: ffff88808f32b398 (&mm->mmap_sem#2){++++}, at: do_user_addr_fault arch/x86/mm/fault.c:1405 [inline] #0: ffff88808f32b398 (&mm->mmap_sem#2){++++}, at: do_page_fault+0x34b/0x12e1 arch/x86/mm/fault.c:1539 #1: ffffffff89c532e0 (fs_reclaim){+.+.}, at: fs_reclaim_acquire.part.0+0x0/0x30 include/linux/uaccess.h:173 2 locks held by blkid/7297: #0: ffff88808faf8598 (&mm->mmap_sem#2){++++}, at: do_user_addr_fault arch/x86/mm/fault.c:1405 [inline] #0: ffff88808faf8598 (&mm->mmap_sem#2){++++}, at: do_page_fault+0x34b/0x12e1 arch/x86/mm/fault.c:1539 #1: ffffffff89c532e0 (fs_reclaim){+.+.}, at: fs_reclaim_acquire.part.0+0x0/0x30 include/linux/uaccess.h:173 2 locks held by udevd/7300: #0: ffff8880a1a115e8 (&ei->i_mmap_sem){++++}, at: ext4_filemap_fault+0x7e/0xb2 fs/ext4/inode.c:6019 #1: ffffffff89c532e0 (fs_reclaim){+.+.}, at: fs_reclaim_acquire.part.0+0x0/0x30 include/linux/uaccess.h:173 1 lock held by udevd/7301: 2 locks held by blkid/7306: #0: ffff88803c525758 (&mm->mmap_sem#2){++++}, at: do_user_addr_fault arch/x86/mm/fault.c:1405 [inline] #0: ffff88803c525758 (&mm->mmap_sem#2){++++}, at: do_page_fault+0x34b/0x12e1 arch/x86/mm/fault.c:1539 #1: ffffffff89c532e0 (fs_reclaim){+.+.}, at: fs_reclaim_acquire.part.0+0x0/0x30 include/linux/uaccess.h:173 2 locks held by udevd/7308: #0: ffff8880a1a115e8 (&ei->i_mmap_sem){++++}, at: ext4_filemap_fault+0x7e/0xb2 fs/ext4/inode.c:6019 #1: ffffffff89c532e0 (fs_reclaim){+.+.}, at: fs_reclaim_acquire.part.0+0x0/0x30 include/linux/uaccess.h:173 3 locks held by blkid/7310: 2 locks held by blkid/7370: 2 locks held by udevd/7416: 1 lock held by blkid/7421: 2 locks held by blkid/7426: 1 lock held by blkid/7439: 1 lock held by blkid/7440: 3 locks held by blkid/7441: 2 locks held by udevd/7442: 2 locks held by udevd/7458: #0: ffff8880a1ab68a8 (&ei->i_mmap_sem){++++}, at: ext4_filemap_fault+0x7e/0xb2 fs/ext4/inode.c:6019 #1: ffffffff89c532e0 (fs_reclaim){+.+.}, at: fs_reclaim_acquire.part.0+0x0/0x30 include/linux/uaccess.h:173 2 locks held by blkid/7462: 2 locks held by udevd/7472: #0: ffff8880a1afb5a8 (&ei->i_mmap_sem){++++}, at: ext4_filemap_fault+0x7e/0xb2 fs/ext4/inode.c:6019 #1: ffffffff89c532e0 (fs_reclaim){+.+.}, at: fs_reclaim_acquire.part.0+0x0/0x30 include/linux/uaccess.h:173 2 locks held by blkid/7473: 2 locks held by blkid/7474: #0: ffff888037916398 (&mm->mmap_sem#2){++++}, at: do_user_addr_fault arch/x86/mm/fault.c:1405 [inline] #0: ffff888037916398 (&mm->mmap_sem#2){++++}, at: do_page_fault+0x34b/0x12e1 arch/x86/mm/fault.c:1539 #1: ffffffff89c532e0 (fs_reclaim){+.+.}, at: fs_reclaim_acquire.part.0+0x0/0x30 include/linux/uaccess.h:173 2 locks held by udevd/7475: #0: ffff8880a1a31468 (&ei->i_mmap_sem){++++}, at: ext4_filemap_fault+0x7e/0xb2 fs/ext4/inode.c:6019 #1: ffffffff89c532e0 (fs_reclaim){+.+.}, at: fs_reclaim_acquire.part.0+0x0/0x30 include/linux/uaccess.h:173 2 locks held by blkid/7478: 2 locks held by blkid/7480: 2 locks held by blkid/7481: 3 locks held by udevd/7482: 1 lock held by blkid/7518: 4 locks held by udevd/7520: 2 locks held by blkid/7522: 2 locks held by blkid/7523: #0: ffff8880a1a115e8 (&ei->i_mmap_sem){++++}, at: ext4_filemap_fault+0x7e/0xb2 fs/ext4/inode.c:6019 #1: ffffffff89c532e0 (fs_reclaim){+.+.}, at: fs_reclaim_acquire.part.0+0x0/0x30 include/linux/uaccess.h:173 2 locks held by blkid/7529: #0: ffff88808ee05718 (&mm->mmap_sem#2){++++}, at: do_user_addr_fault arch/x86/mm/fault.c:1405 [inline] #0: ffff88808ee05718 (&mm->mmap_sem#2){++++}, at: do_page_fault+0x34b/0x12e1 arch/x86/mm/fault.c:1539 #1: ffffffff89c532e0 (fs_reclaim){+.+.}, at: fs_reclaim_acquire.part.0+0x0/0x30 include/linux/uaccess.h:173 2 locks held by udevd/7549: 2 locks held by blkid/7573: #0: ffff88803b3ca5d8 (&mm->mmap_sem#2){++++}, at: do_user_addr_fault arch/x86/mm/fault.c:1405 [inline] #0: ffff88803b3ca5d8 (&mm->mmap_sem#2){++++}, at: do_page_fault+0x34b/0x12e1 arch/x86/mm/fault.c:1539 #1: ffffffff89c532e0 (fs_reclaim){+.+.}, at: fs_reclaim_acquire.part.0+0x0/0x30 include/linux/uaccess.h:173 1 lock held by blkid/7577: 2 locks held by blkid/7585: #0: ffff8880891463d8 (&mm->mmap_sem#2){++++}, at: do_user_addr_fault arch/x86/mm/fault.c:1405 [inline] #0: ffff8880891463d8 (&mm->mmap_sem#2){++++}, at: do_page_fault+0x34b/0x12e1 arch/x86/mm/fault.c:1539 #1: ffffffff89c532e0 (fs_reclaim){+.+.}, at: fs_reclaim_acquire.part.0+0x0/0x30 include/linux/uaccess.h:173 2 locks held by blkid/7590: #0: ffff888089146a58 (&mm->mmap_sem#2){++++}, at: do_user_addr_fault arch/x86/mm/fault.c:1405 [inline] #0: ffff888089146a58 (&mm->mmap_sem#2){++++}, at: do_page_fault+0x34b/0x12e1 arch/x86/mm/fault.c:1539 #1: ffffffff89c532e0 (fs_reclaim){+.+.}, at: fs_reclaim_acquire.part.0+0x0/0x30 include/linux/uaccess.h:173 2 locks held by blkid/7614: 2 locks held by blkid/7631: #0: ffff88803b71d5d8 (&mm->mmap_sem#2){++++}, at: do_user_addr_fault arch/x86/mm/fault.c:1405 [inline] #0: ffff88803b71d5d8 (&mm->mmap_sem#2){++++}, at: do_page_fault+0x34b/0x12e1 arch/x86/mm/fault.c:1539 #1: ffffffff89c532e0 (fs_reclaim){+.+.}, at: fs_reclaim_acquire.part.0+0x0/0x30 include/linux/uaccess.h:173 4 locks held by blkid/7658: 2 locks held by udevd/7679: #0: ffff8880a1a115e8 (&ei->i_mmap_sem){++++}, at: ext4_filemap_fault+0x7e/0xb2 fs/ext4/inode.c:6019 #1: ffffffff89c532e0 (fs_reclaim){+.+.}, at: fs_reclaim_acquire.part.0+0x0/0x30 include/linux/uaccess.h:173 2 locks held by blkid/7690: 2 locks held by blkid/7692: 2 locks held by blkid/7693: 2 locks held by udevd/7712: 1 lock held by blkid/7716: 2 locks held by udevd/7727: 1 lock held by udevd/7728: 1 lock held by blkid/7730: 2 locks held by blkid/7732: 1 lock held by udevd/7742: 2 locks held by udevd/7744: #0: ffff8880a1a31468 (&ei->i_mmap_sem){++++}, at: ext4_filemap_fault+0x7e/0xb2 fs/ext4/inode.c:6019 #1: ffffffff89c532e0 (fs_reclaim){+.+.}, at: fs_reclaim_acquire.part.0+0x0/0x30 include/linux/uaccess.h:173 2 locks held by blkid/7746: 2 locks held by blkid/7747: 3 locks held by blkid/7750: 2 locks held by blkid/7751: 2 locks held by blkid/7752: #0: ffff8880a1a115e8 (&ei->i_mmap_sem){++++}, at: ext4_filemap_fault+0x7e/0xb2 fs/ext4/inode.c:6019 #1: ffffffff89c532e0 (fs_reclaim){+.+.}, at: fs_reclaim_acquire.part.0+0x0/0x30 include/linux/uaccess.h:173 4 locks held by udevd/7764: 1 lock held by blkid/7765: #0: ffff8880935b0b98 (&mm->mmap_sem#2){++++}, at: do_user_addr_fault arch/x86/mm/fault.c:1405 [inline] #0: ffff8880935b0b98 (&mm->mmap_sem#2){++++}, at: do_page_fault+0x34b/0x12e1 arch/x86/mm/fault.c:1539 2 locks held by blkid/7766: 2 locks held by udevd/7767: #0: ffff8880a1afb5a8 (&ei->i_mmap_sem){++++}, at: ext4_filemap_fault+0x7e/0xb2 fs/ext4/inode.c:6019 #1: ffffffff89c532e0 (fs_reclaim){+.+.}, at: fs_reclaim_acquire.part.0+0x0/0x30 include/linux/uaccess.h:173 2 locks held by blkid/7768: 2 locks held by blkid/7769: #0: ffff8880413212d8 (&mm->mmap_sem#2){++++}, at: do_user_addr_fault arch/x86/mm/fault.c:1405 [inline] #0: ffff8880413212d8 (&mm->mmap_sem#2){++++}, at: do_page_fault+0x34b/0x12e1 arch/x86/mm/fault.c:1539 #1: ffffffff89c532e0 (fs_reclaim){+.+.}, at: fs_reclaim_acquire.part.0+0x0/0x30 include/linux/uaccess.h:173 2 locks held by blkid/7770: 2 locks held by blkid/7771: #0: ffff8880413205d8 (&mm->mmap_sem#2){++++}, at: do_user_addr_fault arch/x86/mm/fault.c:1405 [inline] #0: ffff8880413205d8 (&mm->mmap_sem#2){++++}, at: do_page_fault+0x34b/0x12e1 arch/x86/mm/fault.c:1539 #1: ffffffff89c532e0 (fs_reclaim){+.+.}, at: fs_reclaim_acquire.part.0+0x0/0x30 include/linux/uaccess.h:173 2 locks held by blkid/7777: #0: ffff88803bdff998 (&mm->mmap_sem#2){++++}, at: do_user_addr_fault arch/x86/mm/fault.c:1405 [inline] #0: ffff88803bdff998 (&mm->mmap_sem#2){++++}, at: do_page_fault+0x34b/0x12e1 arch/x86/mm/fault.c:1539 #1: ffffffff89c532e0 (fs_reclaim){+.+.}, at: fs_reclaim_acquire.part.0+0x0/0x30 include/linux/uaccess.h:173 2 locks held by blkid/7778: 2 locks held by blkid/7779: #0: ffff88803bdff318 (&mm->mmap_sem#2){++++}, at: do_user_addr_fault arch/x86/mm/fault.c:1405 [inline] #0: ffff88803bdff318 (&mm->mmap_sem#2){++++}, at: do_page_fault+0x34b/0x12e1 arch/x86/mm/fault.c:1539 #1: ffffffff89c532e0 (fs_reclaim){+.+.}, at: fs_reclaim_acquire.part.0+0x0/0x30 include/linux/uaccess.h:173 2 locks held by udevd/7781: #0: ffff8880a1a31468 (&ei->i_mmap_sem){++++}, at: ext4_filemap_fault+0x7e/0xb2 fs/ext4/inode.c:6019 #1: ffffffff89c532e0 (fs_reclaim){+.+.}, at: fs_reclaim_acquire.part.0+0x0/0x30 include/linux/uaccess.h:173 2 locks held by blkid/7790: #0: ffff8880409d3a18 (&mm->mmap_sem#2){++++}, at: do_user_addr_fault arch/x86/mm/fault.c:1405 [inline] #0: ffff8880409d3a18 (&mm->mmap_sem#2){++++}, at: do_page_fault+0x34b/0x12e1 arch/x86/mm/fault.c:1539 #1: ffffffff89c532e0 (fs_reclaim){+.+.}, at: fs_reclaim_acquire.part.0+0x0/0x30 include/linux/uaccess.h:173 2 locks held by blkid/7792: 2 locks held by blkid/7789: 2 locks held by blkid/7807: #0: ffff888040242658 (&mm->mmap_sem#2){++++}, at: do_user_addr_fault arch/x86/mm/fault.c:1405 [inline] #0: ffff888040242658 (&mm->mmap_sem#2){++++}, at: do_page_fault+0x34b/0x12e1 arch/x86/mm/fault.c:1539 #1: ffffffff89c532e0 (fs_reclaim){+.+.}, at: fs_reclaim_acquire.part.0+0x0/0x30 include/linux/uaccess.h:173 4 locks held by blkid/7813: 2 locks held by udevd/7816: #0: ffff8880a1ab17a8 (&ei->i_mmap_sem){++++}, at: ext4_filemap_fault+0x7e/0xb2 fs/ext4/inode.c:6019 #1: ffffffff89c532e0 (fs_reclaim){+.+.}, at: fs_reclaim_acquire.part.0+0x0/0x30 include/linux/uaccess.h:173 4 locks held by blkid/7821: 4 locks held by blkid/7855: 2 locks held by blkid/7857: 2 locks held by udevd/7858: 3 locks held by udevd/7859: 1 lock held by blkid/7885: 2 locks held by blkid/7893: 2 locks held by blkid/7896: #0: ffff8880a7bd4658 (&mm->mmap_sem#2){++++}, at: do_user_addr_fault arch/x86/mm/fault.c:1405 [inline] #0: ffff8880a7bd4658 (&mm->mmap_sem#2){++++}, at: do_page_fault+0x34b/0x12e1 arch/x86/mm/fault.c:1539 #1: ffffffff89c532e0 (fs_reclaim){+.+.}, at: fs_reclaim_acquire.part.0+0x0/0x30 include/linux/uaccess.h:173 1 lock held by udevd/7902: 1 lock held by udevd/7938: 2 locks held by blkid/7943: 2 locks held by blkid/7945: #0: ffff88803eccf158 (&mm->mmap_sem#2){++++}, at: do_user_addr_fault arch/x86/mm/fault.c:1405 [inline] #0: ffff88803eccf158 (&mm->mmap_sem#2){++++}, at: do_page_fault+0x34b/0x12e1 arch/x86/mm/fault.c:1539 #1: ffffffff89c532e0 (fs_reclaim){+.+.}, at: fs_reclaim_acquire.part.0+0x0/0x30 include/linux/uaccess.h:173 1 lock held by blkid/7964: 2 locks held by udevd/7967: #0: ffff8880a1a115e8 (&ei->i_mmap_sem){++++}, at: ext4_filemap_fault+0x7e/0xb2 fs/ext4/inode.c:6019 #1: ffffffff89c532e0 (fs_reclaim){+.+.}, at: fs_reclaim_acquire.part.0+0x0/0x30 include/linux/uaccess.h:173 1 lock held by blkid/7975: 2 locks held by blkid/7980: #0: ffff88803c7f95d8 (&mm->mmap_sem#2){++++}, at: do_user_addr_fault arch/x86/mm/fault.c:1405 [inline] #0: ffff88803c7f95d8 (&mm->mmap_sem#2){++++}, at: do_page_fault+0x34b/0x12e1 arch/x86/mm/fault.c:1539 #1: ffffffff89c532e0 (fs_reclaim){+.+.}, at: fs_reclaim_acquire.part.0+0x0/0x30 include/linux/uaccess.h:173 4 locks held by udevd/7984: 3 locks held by blkid/7992: 2 locks held by blkid/8010: #0: ffff88803fa4b058 (&mm->mmap_sem#2){++++}, at: do_user_addr_fault arch/x86/mm/fault.c:1405 [inline] #0: ffff88803fa4b058 (&mm->mmap_sem#2){++++}, at: do_page_fault+0x34b/0x12e1 arch/x86/mm/fault.c:1539 #1: ffffffff89c532e0 (fs_reclaim){+.+.}, at: fs_reclaim_acquire.part.0+0x0/0x30 include/linux/uaccess.h:173 2 locks held by udevd/8019: 2 locks held by blkid/8021: #0: ffff88803ee6a298 (&mm->mmap_sem#2){++++}, at: do_user_addr_fault arch/x86/mm/fault.c:1405 [inline] #0: ffff88803ee6a298 (&mm->mmap_sem#2){++++}, at: do_page_fault+0x34b/0x12e1 arch/x86/mm/fault.c:1539 #1: ffffffff89c532e0 (fs_reclaim){+.+.}, at: fs_reclaim_acquire.part.0+0x0/0x30 include/linux/uaccess.h:173 2 locks held by blkid/8036: #0: ffff8880a1abd2a8 (&ei->i_mmap_sem){++++}, at: ext4_filemap_fault+0x7e/0xb2 fs/ext4/inode.c:6019 #1: ffffffff89c532e0 (fs_reclaim){+.+.}, at: fs_reclaim_acquire.part.0+0x0/0x30 include/linux/uaccess.h:173 2 locks held by blkid/8039: 1 lock held by blkid/8040: 2 locks held by udevd/8041: 2 locks held by blkid/8046: #0: ffff88803e1f5058 (&mm->mmap_sem#2){++++}, at: do_user_addr_fault arch/x86/mm/fault.c:1405 [inline] #0: ffff88803e1f5058 (&mm->mmap_sem#2){++++}, at: do_page_fault+0x34b/0x12e1 arch/x86/mm/fault.c:1539 #1: ffffffff89c532e0 (fs_reclaim){+.+.}, at: fs_reclaim_acquire.part.0+0x0/0x30 include/linux/uaccess.h:173 1 lock held by blkid/8048: 4 locks held by blkid/8049: 3 locks held by udevd/8050: 1 lock held by udevd/8054: 2 locks held by udevd/8079: #0: ffff8880a1a115e8 (&ei->i_mmap_sem){++++}, at: ext4_filemap_fault+0x7e/0xb2 fs/ext4/inode.c:6019 #1: ffffffff89c532e0 (fs_reclaim){+.+.}, at: fs_reclaim_acquire.part.0+0x0/0x30 include/linux/uaccess.h:173 2 locks held by blkid/8080: #0: ffff88803b051118 (&mm->mmap_sem#2){++++}, at: do_user_addr_fault arch/x86/mm/fault.c:1405 [inline] #0: ffff88803b051118 (&mm->mmap_sem#2){++++}, at: do_page_fault+0x34b/0x12e1 arch/x86/mm/fault.c:1539 #1: ffffffff89c532e0 (fs_reclaim){+.+.}, at: fs_reclaim_acquire.part.0+0x0/0x30 include/linux/uaccess.h:173 2 locks held by udevd/8083: 2 locks held by blkid/8086: 2 locks held by blkid/8091: 2 locks held by blkid/8093: #0: ffff88803e3117d8 (&mm->mmap_sem#2){++++}, at: do_user_addr_fault arch/x86/mm/fault.c:1405 [inline] #0: ffff88803e3117d8 (&mm->mmap_sem#2){++++}, at: do_page_fault+0x34b/0x12e1 arch/x86/mm/fault.c:1539 #1: ffffffff89c532e0 (fs_reclaim){+.+.}, at: fs_reclaim_acquire.part.0+0x0/0x30 include/linux/uaccess.h:173 2 locks held by blkid/8103: 2 locks held by blkid/8141: #0: ffff888037917098 (&mm->mmap_sem#2){++++}, at: do_user_addr_fault arch/x86/mm/fault.c:1405 [inline] #0: ffff888037917098 (&mm->mmap_sem#2){++++}, at: do_page_fault+0x34b/0x12e1 arch/x86/mm/fault.c:1539 #1: ffffffff89c532e0 (fs_reclaim){+.+.}, at: fs_reclaim_acquire.part.0+0x0/0x30 include/linux/uaccess.h:173 2 locks held by udevd/8143: 2 locks held by udevd/8144: #0: ffff8880a1a115e8 (&ei->i_mmap_sem){++++}, at: ext4_filemap_fault+0x7e/0xb2 fs/ext4/inode.c:6019 #1: ffffffff89c532e0 (fs_reclaim){+.+.}, at: fs_reclaim_acquire.part.0+0x0/0x30 include/linux/uaccess.h:173 2 locks held by udevd/8174: #0: ffff8880a1a115e8 (&ei->i_mmap_sem){++++}, at: ext4_filemap_fault+0x7e/0xb2 fs/ext4/inode.c:6019 #1: ffffffff89c532e0 (fs_reclaim){+.+.}, at: fs_reclaim_acquire.part.0+0x0/0x30 include/linux/uaccess.h:173 2 locks held by blkid/8183: 1 lock held by udevd/8262: 2 locks held by blkid/8263: 2 locks held by blkid/8266: #0: ffff88803c524a58 (&mm->mmap_sem#2){++++}, at: do_user_addr_fault arch/x86/mm/fault.c:1405 [inline] #0: ffff88803c524a58 (&mm->mmap_sem#2){++++}, at: do_page_fault+0x34b/0x12e1 arch/x86/mm/fault.c:1539 #1: ffffffff89c532e0 (fs_reclaim){+.+.}, at: fs_reclaim_acquire.part.0+0x0/0x30 include/linux/uaccess.h:173 2 locks held by blkid/8271: #0: ffff8880951d4998 (&mm->mmap_sem#2){++++}, at: do_user_addr_fault arch/x86/mm/fault.c:1405 [inline] #0: ffff8880951d4998 (&mm->mmap_sem#2){++++}, at: do_page_fault+0x34b/0x12e1 arch/x86/mm/fault.c:1539 #1: ffffffff89c532e0 (fs_reclaim){+.+.}, at: fs_reclaim_acquire.part.0+0x0/0x30 include/linux/uaccess.h:173 4 locks held by blkid/8288: 4 locks held by blkid/8295: 2 locks held by blkid/8307: 4 locks held by udevd/8308: 2 locks held by blkid/8318: #0: ffff8880540eed58 (&mm->mmap_sem#2){++++}, at: do_user_addr_fault arch/x86/mm/fault.c:1405 [inline] #0: ffff8880540eed58 (&mm->mmap_sem#2){++++}, at: do_page_fault+0x34b/0x12e1 arch/x86/mm/fault.c:1539 #1: ffffffff89c532e0 (fs_reclaim){+.+.}, at: fs_reclaim_acquire.part.0+0x0/0x30 include/linux/uaccess.h:173 2 locks held by blkid/8351: 2 locks held by udevd/8356: #0: ffff8880a1a115e8 (&ei->i_mmap_sem){++++}, at: ext4_filemap_fault+0x7e/0xb2 fs/ext4/inode.c:6019 #1: ffffffff89c532e0 (fs_reclaim){+.+.}, at: fs_reclaim_acquire.part.0+0x0/0x30 include/linux/uaccess.h:173 2 locks held by udevd/8378: 2 locks held by blkid/8383: #0: ffff88809ec2a658 (&mm->mmap_sem#2){++++}, at: do_user_addr_fault arch/x86/mm/fault.c:1405 [inline] #0: ffff88809ec2a658 (&mm->mmap_sem#2){++++}, at: do_page_fault+0x34b/0x12e1 arch/x86/mm/fault.c:1539 #1: ffffffff89c532e0 (fs_reclaim){+.+.}, at: fs_reclaim_acquire.part.0+0x0/0x30 include/linux/uaccess.h:173 2 locks held by blkid/8395: #0: ffff888096f78518 (&mm->mmap_sem#2){++++}, at: do_user_addr_fault arch/x86/mm/fault.c:1405 [inline] #0: ffff888096f78518 (&mm->mmap_sem#2){++++}, at: do_page_fault+0x34b/0x12e1 arch/x86/mm/fault.c:1539 #1: ffffffff89c532e0 (fs_reclaim){+.+.}, at: fs_reclaim_acquire.part.0+0x0/0x30 include/linux/uaccess.h:173 2 locks held by blkid/8396: #0: ffff88808faf9918 (&mm->mmap_sem#2){++++}, at: do_user_addr_fault arch/x86/mm/fault.c:1405 [inline] #0: ffff88808faf9918 (&mm->mmap_sem#2){++++}, at: do_page_fault+0x34b/0x12e1 arch/x86/mm/fault.c:1539 #1: ffffffff89c532e0 (fs_reclaim){+.+.}, at: fs_reclaim_acquire.part.0+0x0/0x30 include/linux/uaccess.h:173 1 lock held by udevd/8403: 3 locks held by blkid/8405: 2 locks held by blkid/8406: 2 locks held by blkid/8417: 4 locks held by blkid/8420: 2 locks held by udevd/8422: #0: ffff8880a7bd4cd8 (&mm->mmap_sem#2){++++}, at: do_user_addr_fault arch/x86/mm/fault.c:1405 [inline] #0: ffff8880a7bd4cd8 (&mm->mmap_sem#2){++++}, at: do_page_fault+0x34b/0x12e1 arch/x86/mm/fault.c:1539 #1: ffffffff89c532e0 (fs_reclaim){+.+.}, at: fs_reclaim_acquire.part.0+0x0/0x30 include/linux/uaccess.h:173 2 locks held by blkid/8424: #0: ffff8880a1abd2a8 (&ei->i_mmap_sem){++++}, at: ext4_filemap_fault+0x7e/0xb2 fs/ext4/inode.c:6019 #1: ffffffff89c532e0 (fs_reclaim){+.+.}, at: fs_reclaim_acquire.part.0+0x0/0x30 include/linux/uaccess.h:173 3 locks held by blkid/8425: 2 locks held by udevd/8426: 4 locks held by blkid/8428: 2 locks held by blkid/8430: #0: ffff8880439b5918 (&mm->mmap_sem#2){++++}, at: do_user_addr_fault arch/x86/mm/fault.c:1405 [inline] #0: ffff8880439b5918 (&mm->mmap_sem#2){++++}, at: do_page_fault+0x34b/0x12e1 arch/x86/mm/fault.c:1539 #1: ffffffff89c532e0 (fs_reclaim){+.+.}, at: fs_reclaim_acquire.part.0+0x0/0x30 include/linux/uaccess.h:173 2 locks held by blkid/8434: 1 lock held by udevd/8436: 3 locks held by blkid/8438: 1 lock held by blkid/8445: 2 locks held by blkid/8462: #0: ffff88809ee5e658 (&mm->mmap_sem#2){++++}, at: do_user_addr_fault arch/x86/mm/fault.c:1405 [inline] #0: ffff88809ee5e658 (&mm->mmap_sem#2){++++}, at: do_page_fault+0x34b/0x12e1 arch/x86/mm/fault.c:1539 #1: ffffffff89c532e0 (fs_reclaim){+.+.}, at: fs_reclaim_acquire.part.0+0x0/0x30 include/linux/uaccess.h:173 2 locks held by blkid/8465: 2 locks held by blkid/8492: 2 locks held by blkid/8494: #0: ffff8880540ee6d8 (&mm->mmap_sem#2){++++}, at: do_user_addr_fault arch/x86/mm/fault.c:1405 [inline] #0: ffff8880540ee6d8 (&mm->mmap_sem#2){++++}, at: do_page_fault+0x34b/0x12e1 arch/x86/mm/fault.c:1539 #1: ffffffff89c532e0 (fs_reclaim){+.+.}, at: fs_reclaim_acquire.part.0+0x0/0x30 include/linux/uaccess.h:173 2 locks held by blkid/8496: 2 locks held by blkid/8507: 1 lock held by udevd/8513: 2 locks held by blkid/8515: #0: ffff8880171c0798 (&mm->mmap_sem#2){++++}, at: do_user_addr_fault arch/x86/mm/fault.c:1405 [inline] #0: ffff8880171c0798 (&mm->mmap_sem#2){++++}, at: do_page_fault+0x34b/0x12e1 arch/x86/mm/fault.c:1539 #1: ffffffff89c532e0 (fs_reclaim){+.+.}, at: fs_reclaim_acquire.part.0+0x0/0x30 include/linux/uaccess.h:173 1 lock held by udevd/8517: 1 lock held by blkid/8518: 2 locks held by udevd/8520: #0: ffff8880a1a115e8 (&ei->i_mmap_sem){++++}, at: ext4_filemap_fault+0x7e/0xb2 fs/ext4/inode.c:6019 #1: ffffffff89c532e0 (fs_reclaim){+.+.}, at: fs_reclaim_acquire.part.0+0x0/0x30 include/linux/uaccess.h:173 4 locks held by udevd/8522: 2 locks held by blkid/8523: 3 locks held by blkid/8524: 2 locks held by blkid/8525: 1 lock held by blkid/8526: 2 locks held by blkid/8527: 1 lock held by blkid/8528: 2 locks held by udevd/8529: 2 locks held by blkid/8554: 2 locks held by udevd/8555: 4 locks held by udevd/8559: 2 locks held by udevd/8560: #0: ffff8880a1a115e8 (&ei->i_mmap_sem){++++}, at: ext4_filemap_fault+0x7e/0xb2 fs/ext4/inode.c:6019 #1: ffffffff89c532e0 (fs_reclaim){+.+.}, at: fs_reclaim_acquire.part.0+0x0/0x30 include/linux/uaccess.h:173 1 lock held by udevd/8561: 4 locks held by blkid/8562: 1 lock held by blkid/8584: 2 locks held by blkid/8585: #0: ffff8880969f8fd8 (&mm->mmap_sem#2){++++}, at: do_user_addr_fault arch/x86/mm/fault.c:1405 [inline] #0: ffff8880969f8fd8 (&mm->mmap_sem#2){++++}, at: do_page_fault+0x34b/0x12e1 arch/x86/mm/fault.c:1539 #1: ffffffff89c532e0 (fs_reclaim){+.+.}, at: fs_reclaim_acquire.part.0+0x0/0x30 include/linux/uaccess.h:173 2 locks held by blkid/8599: 2 locks held by blkid/8600: 1 lock held by udevd/8601: 2 locks held by blkid/8602: 2 locks held by blkid/8604: 2 locks held by udevd/8605: #0: ffff8880a1a115e8 (&ei->i_mmap_sem){++++}, at: ext4_filemap_fault+0x7e/0xb2 fs/ext4/inode.c:6019 #1: ffffffff89c532e0 (fs_reclaim){+.+.}, at: fs_reclaim_acquire.part.0+0x0/0x30 include/linux/uaccess.h:173 2 locks held by udevd/8607: 2 locks held by blkid/8612: 2 locks held by blkid/8613: 4 locks held by udevd/8618: 1 lock held by blkid/8627: 2 locks held by blkid/8628: 2 locks held by blkid/8632: #0: ffff88817e01e858 (&mm->mmap_sem#2){++++}, at: do_user_addr_fault arch/x86/mm/fault.c:1405 [inline] #0: ffff88817e01e858 (&mm->mmap_sem#2){++++}, at: do_page_fault+0x34b/0x12e1 arch/x86/mm/fault.c:1539 #1: ffffffff89c532e0 (fs_reclaim){+.+.}, at: fs_reclaim_acquire.part.0+0x0/0x30 include/linux/uaccess.h:173 1 lock held by blkid/8644: 2 locks held by udevd/8646: 2 locks held by blkid/8647: #0: ffff8880a1abd2a8 (&ei->i_mmap_sem){++++}, at: ext4_filemap_fault+0x7e/0xb2 fs/ext4/inode.c:6019 #1: ffffffff89c532e0 (fs_reclaim){+.+.}, at: fs_reclaim_acquire.part.0+0x0/0x30 include/linux/uaccess.h:173 2 locks held by blkid/8648: 1 lock held by udevd/8649: 2 locks held by blkid/8651: #0: ffff8880127a1858 (&mm->mmap_sem#2){++++}, at: do_user_addr_fault arch/x86/mm/fault.c:1405 [inline] #0: ffff8880127a1858 (&mm->mmap_sem#2){++++}, at: do_page_fault+0x34b/0x12e1 arch/x86/mm/fault.c:1539 #1: ffffffff89c532e0 (fs_reclaim){+.+.}, at: fs_reclaim_acquire.part.0+0x0/0x30 include/linux/uaccess.h:173 2 locks held by blkid/8653: #0: ffff88800d0a1898 (&mm->mmap_sem#2){++++}, at: do_user_addr_fault arch/x86/mm/fault.c:1405 [inline] #0: ffff88800d0a1898 (&mm->mmap_sem#2){++++}, at: do_page_fault+0x34b/0x12e1 arch/x86/mm/fault.c:1539 #1: ffffffff89c532e0 (fs_reclaim){+.+.}, at: fs_reclaim_acquire.part.0+0x0/0x30 include/linux/uaccess.h:173 2 locks held by udevd/8655: 2 locks held by blkid/8656: #0: ffff8880a1a115e8 (&ei->i_mmap_sem){++++}, at: ext4_filemap_fault+0x7e/0xb2 fs/ext4/inode.c:6019 #1: ffffffff89c532e0 (fs_reclaim){+.+.}, at: fs_reclaim_acquire.part.0+0x0/0x30 include/linux/uaccess.h:173 2 locks held by blkid/8657: #0: ffff88800d0a0b98 (&mm->mmap_sem#2){++++}, at: do_user_addr_fault arch/x86/mm/fault.c:1405 [inline] #0: ffff88800d0a0b98 (&mm->mmap_sem#2){++++}, at: do_page_fault+0x34b/0x12e1 arch/x86/mm/fault.c:1539 #1: ffffffff89c532e0 (fs_reclaim){+.+.}, at: fs_reclaim_acquire.part.0+0x0/0x30 include/linux/uaccess.h:173 2 locks held by udevd/8659: 4 locks held by blkid/8661: 2 locks held by blkid/8663: 2 locks held by udevd/8665: 2 locks held by blkid/8666: #0: ffff88803b7012d8 (&mm->mmap_sem#2){++++}, at: do_user_addr_fault arch/x86/mm/fault.c:1405 [inline] #0: ffff88803b7012d8 (&mm->mmap_sem#2){++++}, at: do_page_fault+0x34b/0x12e1 arch/x86/mm/fault.c:1539 #1: ffffffff89c532e0 (fs_reclaim){+.+.}, at: fs_reclaim_acquire.part.0+0x0/0x30 include/linux/uaccess.h:173 2 locks held by blkid/8667: #0: ffff88800cabb998 (&mm->mmap_sem#2){++++}, at: do_user_addr_fault arch/x86/mm/fault.c:1405 [inline] #0: ffff88800cabb998 (&mm->mmap_sem#2){++++}, at: do_page_fault+0x34b/0x12e1 arch/x86/mm/fault.c:1539 #1: ffffffff89c532e0 (fs_reclaim){+.+.}, at: fs_reclaim_acquire.part.0+0x0/0x30 include/linux/uaccess.h:173 4 locks held by udevd/8668: 2 locks held by blkid/8669: #0: ffff8880a1a115e8 (&ei->i_mmap_sem){++++}, at: ext4_filemap_fault+0x7e/0xb2 fs/ext4/inode.c:6019 #1: ffffffff89c532e0 (fs_reclaim){+.+.}, at: fs_reclaim_acquire.part.0+0x0/0x30 include/linux/uaccess.h:173 4 locks held by udevd/8670: 2 locks held by udevd/8671: 2 locks held by blkid/8674: 2 locks held by udevd/8676: #0: ffff8880a1a31468 (&ei->i_mmap_sem){++++}, at: ext4_filemap_fault+0x7e/0xb2 fs/ext4/inode.c:6019 #1: ffffffff89c532e0 (fs_reclaim){+.+.}, at: fs_reclaim_acquire.part.0+0x0/0x30 include/linux/uaccess.h:173 2 locks held by blkid/8677: #0: ffff888093482158 (&mm->mmap_sem#2){++++}, at: do_user_addr_fault arch/x86/mm/fault.c:1405 [inline] #0: ffff888093482158 (&mm->mmap_sem#2){++++}, at: do_page_fault+0x34b/0x12e1 arch/x86/mm/fault.c:1539 #1: ffffffff89c532e0 (fs_reclaim){+.+.}, at: fs_reclaim_acquire.part.0+0x0/0x30 include/linux/uaccess.h:173 2 locks held by udevd/8691: #0: ffff8880a1a115e8 (&ei->i_mmap_sem){++++}, at: ext4_filemap_fault+0x7e/0xb2 fs/ext4/inode.c:6019 #1: ffffffff89c532e0 (fs_reclaim){+.+.}, at: fs_reclaim_acquire.part.0+0x0/0x30 include/linux/uaccess.h:173 1 lock held by udevd/8692: 2 locks held by udevd/8693: 2 locks held by blkid/8705: #0: ffff8880a1a115e8 (&ei->i_mmap_sem){++++}, at: ext4_filemap_fault+0x7e/0xb2 fs/ext4/inode.c:6019 #1: ffffffff89c532e0 (fs_reclaim){+.+.}, at: fs_reclaim_acquire.part.0+0x0/0x30 include/linux/uaccess.h:173 2 locks held by blkid/8707: #0: ffff8880a1abd2a8 (&ei->i_mmap_sem){++++}, at: ext4_filemap_fault+0x7e/0xb2 fs/ext4/inode.c:6019 #1: ffffffff89c532e0 (fs_reclaim){+.+.}, at: fs_reclaim_acquire.part.0+0x0/0x30 include/linux/uaccess.h:173 2 locks held by blkid/8714: #0: ffff8880410be698 (&mm->mmap_sem#2){++++}, at: do_user_addr_fault arch/x86/mm/fault.c:1405 [inline] #0: ffff8880410be698 (&mm->mmap_sem#2){++++}, at: do_page_fault+0x34b/0x12e1 arch/x86/mm/fault.c:1539 #1: ffffffff89c532e0 (fs_reclaim){+.+.}, at: fs_reclaim_acquire.part.0+0x0/0x30 include/linux/uaccess.h:173 1 lock held by udevd/8724: 4 locks held by blkid/8726: 1 lock held by blkid/8729: #0: ffffffff89c532e0 (fs_reclaim){+.+.}, at: fs_reclaim_acquire.part.0+0x0/0x30 include/linux/uaccess.h:173 2 locks held by blkid/8732: #0: ffff888090c18d58 (&mm->mmap_sem#2){++++}, at: do_user_addr_fault arch/x86/mm/fault.c:1405 [inline] #0: ffff888090c18d58 (&mm->mmap_sem#2){++++}, at: do_page_fault+0x34b/0x12e1 arch/x86/mm/fault.c:1539 #1: ffffffff89c532e0 (fs_reclaim){+.+.}, at: fs_reclaim_acquire.part.0+0x0/0x30 include/linux/uaccess.h:173 2 locks held by udevd/8754: 3 locks held by blkid/8759: 4 locks held by blkid/8777: 2 locks held by blkid/8781: #0: ffff88803e2bb198 (&mm->mmap_sem#2){++++}, at: do_user_addr_fault arch/x86/mm/fault.c:1405 [inline] #0: ffff88803e2bb198 (&mm->mmap_sem#2){++++}, at: do_page_fault+0x34b/0x12e1 arch/x86/mm/fault.c:1539 #1: ffffffff89c532e0 (fs_reclaim){+.+.}, at: fs_reclaim_acquire.part.0+0x0/0x30 include/linux/uaccess.h:173 2 locks held by blkid/8782: #0: ffff88808ee05098 (&mm->mmap_sem#2){++++}, at: do_user_addr_fault arch/x86/mm/fault.c:1405 [inline] #0: ffff88808ee05098 (&mm->mmap_sem#2){++++}, at: do_page_fault+0x34b/0x12e1 arch/x86/mm/fault.c:1539 #1: ffffffff89c532e0 (fs_reclaim){+.+.}, at: fs_reclaim_acquire.part.0+0x0/0x30 include/linux/uaccess.h:173 2 locks held by blkid/8783: 2 locks held by udevd/8784: #0: ffff8880a1a115e8 (&ei->i_mmap_sem){++++}, at: ext4_filemap_fault+0x7e/0xb2 fs/ext4/inode.c:6019 #1: ffffffff89c532e0 (fs_reclaim){+.+.}, at: fs_reclaim_acquire.part.0+0x0/0x30 include/linux/uaccess.h:173 3 locks held by blkid/8785: 2 locks held by udevd/8787: #0: ffff8880a1a31468 (&ei->i_mmap_sem){++++}, at: ext4_filemap_fault+0x7e/0xb2 fs/ext4/inode.c:6019 #1: ffffffff89c532e0 (fs_reclaim){+.+.}, at: fs_reclaim_acquire.part.0+0x0/0x30 include/linux/uaccess.h:173 2 locks held by udevd/8788: #0: ffff8880a1a31468 (&ei->i_mmap_sem){++++}, at: ext4_filemap_fault+0x7e/0xb2 fs/ext4/inode.c:6019 #1: ffffffff89c532e0 (fs_reclaim){+.+.}, at: fs_reclaim_acquire.part.0+0x0/0x30 include/linux/uaccess.h:173 2 locks held by udevd/8790: #0: ffff8880a1afb5a8 (&ei->i_mmap_sem){++++}, at: ext4_filemap_fault+0x7e/0xb2 fs/ext4/inode.c:6019 #1: ffffffff89c532e0 (fs_reclaim){+.+.}, at: fs_reclaim_acquire.part.0+0x0/0x30 include/linux/uaccess.h:173 2 locks held by blkid/8791: #0: ffff88808d298e98 (&mm->mmap_sem#2){++++}, at: do_user_addr_fault arch/x86/mm/fault.c:1405 [inline] #0: ffff88808d298e98 (&mm->mmap_sem#2){++++}, at: do_page_fault+0x34b/0x12e1 arch/x86/mm/fault.c:1539 #1: ffffffff89c532e0 (fs_reclaim){+.+.}, at: fs_reclaim_acquire.part.0+0x0/0x30 include/linux/uaccess.h:173 2 locks held by blkid/8792: #0: ffff888040dbb9d8 (&mm->mmap_sem#2){++++}, at: do_user_addr_fault arch/x86/mm/fault.c:1405 [inline] #0: ffff888040dbb9d8 (&mm->mmap_sem#2){++++}, at: do_page_fault+0x34b/0x12e1 arch/x86/mm/fault.c:1539 #1: ffffffff89c532e0 (fs_reclaim){+.+.}, at: fs_reclaim_acquire.part.0+0x0/0x30 include/linux/uaccess.h:173 2 locks held by udevd/8794: #0: ffff8880a1a115e8 (&ei->i_mmap_sem){++++}, at: ext4_filemap_fault+0x7e/0xb2 fs/ext4/inode.c:6019 #1: ffffffff89c532e0 (fs_reclaim){+.+.}, at: fs_reclaim_acquire.part.0+0x0/0x30 include/linux/uaccess.h:173 2 locks held by blkid/8796: #0: ffff88803e2bb818 (&mm->mmap_sem#2){++++}, at: do_user_addr_fault arch/x86/mm/fault.c:1405 [inline] #0: ffff88803e2bb818 (&mm->mmap_sem#2){++++}, at: do_page_fault+0x34b/0x12e1 arch/x86/mm/fault.c:1539 #1: ffffffff89c532e0 (fs_reclaim){+.+.}, at: fs_reclaim_acquire.part.0+0x0/0x30 include/linux/uaccess.h:173 1 lock held by udevd/8798: #0: ffff8880a1afb5a8 (&ei->i_mmap_sem){++++}, at: ext4_filemap_fault+0x7e/0xb2 fs/ext4/inode.c:6019 3 locks held by blkid/8799: 1 lock held by blkid/8800: #0: ffffffff89c532e0 (fs_reclaim){+.+.}, at: fs_reclaim_acquire.part.0+0x0/0x30 include/linux/uaccess.h:173 2 locks held by blkid/8801: 3 locks held by blkid/8808: 2 locks held by blkid/8900: 1 lock held by blkid/8907: 1 lock held by blkid/8912: 2 locks held by udevd/8915: 2 locks held by udevd/8916: #0: ffff8880a1afb5a8 (&ei->i_mmap_sem){++++}, at: ext4_filemap_fault+0x7e/0xb2 fs/ext4/inode.c:6019 #1: ffffffff89c532e0 (fs_reclaim){+.+.}, at: fs_reclaim_acquire.part.0+0x0/0x30 include/linux/uaccess.h:173 2 locks held by udevd/9025: #0: ffff8880a1a115e8 (&ei->i_mmap_sem){++++}, at: ext4_filemap_fault+0x7e/0xb2 fs/ext4/inode.c:6019 #1: ffffffff89c532e0 (fs_reclaim){+.+.}, at: fs_reclaim_acquire.part.0+0x0/0x30 include/linux/uaccess.h:173 1 lock held by udevd/9026: 2 locks held by udevd/9027: #0: ffff8880a1a115e8 (&ei->i_mmap_sem){++++}, at: ext4_filemap_fault+0x7e/0xb2 fs/ext4/inode.c:6019 #1: ffffffff89c532e0 (fs_reclaim){+.+.}, at: fs_reclaim_acquire.part.0+0x0/0x30 include/linux/uaccess.h:173 4 locks held by udevd/9028: 2 locks held by blkid/9030: #0: ffff8880988dd198 (&mm->mmap_sem#2){++++}, at: do_user_addr_fault arch/x86/mm/fault.c:1405 [inline] #0: ffff8880988dd198 (&mm->mmap_sem#2){++++}, at: do_page_fault+0x34b/0x12e1 arch/x86/mm/fault.c:1539 #1: ffffffff89c532e0 (fs_reclaim){+.+.}, at: fs_reclaim_acquire.part.0+0x0/0x30 include/linux/uaccess.h:173 2 locks held by blkid/9032: #0: ffff8880a1a31468 (&ei->i_mmap_sem){++++}, at: ext4_filemap_fault+0x7e/0xb2 fs/ext4/inode.c:6019 #1: ffffffff89c532e0 (fs_reclaim){+.+.}, at: fs_reclaim_acquire.part.0+0x0/0x30 include/linux/uaccess.h:173 2 locks held by blkid/9034: #0: ffff8880a1a31468 (&ei->i_mmap_sem){++++}, at: ext4_filemap_fault+0x7e/0xb2 fs/ext4/inode.c:6019 #1: ffffffff89c532e0 (fs_reclaim){+.+.}, at: fs_reclaim_acquire.part.0+0x0/0x30 include/linux/uaccess.h:173 2 locks held by udevd/9036: #0: ffff8880a1afb5a8 (&ei->i_mmap_sem){++++}, at: ext4_filemap_fault+0x7e/0xb2 fs/ext4/inode.c:6019 #1: ffffffff89c532e0 (fs_reclaim){+.+.}, at: fs_reclaim_acquire.part.0+0x0/0x30 include/linux/uaccess.h:173 2 locks held by udevd/9037: #0: ffff8880a1afb5a8 (&ei->i_mmap_sem){++++}, at: ext4_filemap_fault+0x7e/0xb2 fs/ext4/inode.c:6019 #1: ffffffff89c532e0 (fs_reclaim){+.+.}, at: fs_reclaim_acquire.part.0+0x0/0x30 include/linux/uaccess.h:173 2 locks held by blkid/9038: #0: ffff888042ea2318 (&mm->mmap_sem#2){++++}, at: setup_arg_pages+0x29c/0x810 fs/exec.c:740 #1: ffffffff89c532e0 (fs_reclaim){+.+.}, at: fs_reclaim_acquire.part.0+0x0/0x30 include/linux/uaccess.h:173 2 locks held by blkid/9039: #0: ffff8880a1a115e8 (&ei->i_mmap_sem){++++}, at: ext4_filemap_fault+0x7e/0xb2 fs/ext4/inode.c:6019 #1: ffffffff89c532e0 (fs_reclaim){+.+.}, at: fs_reclaim_acquire.part.0+0x0/0x30 include/linux/uaccess.h:173 2 locks held by udevd/9040: #0: ffff8880a1ab68a8 (&ei->i_mmap_sem){++++}, at: ext4_filemap_fault+0x7e/0xb2 fs/ext4/inode.c:6019 #1: ffffffff89c532e0 (fs_reclaim){+.+.}, at: fs_reclaim_acquire.part.0+0x0/0x30 include/linux/uaccess.h:173 2 locks held by udevd/9041: 2 locks held by udevd/9042: 2 locks held by udevd/9043: #0: ffff88803ac36198 (&mm->mmap_sem#2){++++}, at: do_user_addr_fault arch/x86/mm/fault.c:1405 [inline] #0: ffff88803ac36198 (&mm->mmap_sem#2){++++}, at: do_page_fault+0x34b/0x12e1 arch/x86/mm/fault.c:1539 #1: ffffffff89c532e0 (fs_reclaim){+.+.}, at: fs_reclaim_acquire.part.0+0x0/0x30 include/linux/uaccess.h:173 ============================================= NMI backtrace for cpu 1 CPU: 1 PID: 1105 Comm: khungtaskd Not tainted 5.6.0-rc3-next-20200225-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x197/0x210 lib/dump_stack.c:118 nmi_cpu_backtrace.cold+0x70/0xb2 lib/nmi_backtrace.c:101 nmi_trigger_cpumask_backtrace+0x23b/0x28b lib/nmi_backtrace.c:62 arch_trigger_cpumask_backtrace+0x14/0x20 arch/x86/kernel/apic/hw_nmi.c:38 trigger_all_cpu_backtrace include/linux/nmi.h:147 [inline] check_hung_uninterruptible_tasks kernel/hung_task.c:249 [inline] watchdog+0xdf1/0x14e0 kernel/hung_task.c:333 kthread+0x361/0x430 kernel/kthread.c:255 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:352 Sending NMI from CPU 1 to CPUs 0: NMI backtrace for cpu 0 CPU: 0 PID: 7472 Comm: udevd Not tainted 5.6.0-rc3-next-20200225-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:__sanitizer_cov_trace_pc+0x26/0x50 kernel/kcov.c:187 Code: 00 00 00 00 55 48 89 e5 65 48 8b 04 25 c0 1e 02 00 65 8b 15 d4 29 8c 7e 81 e2 00 01 1f 00 48 8b 75 08 75 2b 8b 90 88 13 00 00 <83> fa 02 75 20 48 8b 88 90 13 00 00 8b 80 8c 13 00 00 48 8b 11 48 RSP: 0000:ffffc90006597198 EFLAGS: 00000246 RAX: ffff888040482200 RBX: ffff8880a8c7b280 RCX: ffffffff81a26df6 RDX: 0000000000000000 RSI: ffffffff81a26ef3 RDI: 0000000000000001 RBP: ffffc90006597198 R08: ffff888040482200 R09: ffffed1015d07084 R10: ffffed1015d07083 R11: ffff8880ae83841b R12: 0000000000000000 R13: ffff88808fb98600 R14: ffffffffffffffff R15: ffffc9000659730c FS: 00007f994bb687a0(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f7231d5fbe4 CR3: 000000021ae71000 CR4: 00000000001406f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: list_lru_from_memcg_idx mm/list_lru.c:53 [inline] list_lru_count_one+0x233/0x370 mm/list_lru.c:192 list_lru_shrink_count include/linux/list_lru.h:123 [inline] super_cache_count+0x1a5/0x2e0 fs/super.c:148 do_shrink_slab+0x109/0xad0 mm/vmscan.c:430 shrink_slab mm/vmscan.c:673 [inline] shrink_slab+0x19a/0x680 mm/vmscan.c:646 shrink_node_memcgs mm/vmscan.c:2676 [inline] shrink_node+0x46a/0x1ad0 mm/vmscan.c:2780 shrink_zones mm/vmscan.c:2983 [inline] do_try_to_free_pages+0x3ba/0x14f0 mm/vmscan.c:3036 try_to_free_pages+0x2dc/0x970 mm/vmscan.c:3275 __perform_reclaim mm/page_alloc.c:4187 [inline] __alloc_pages_direct_reclaim mm/page_alloc.c:4208 [inline] __alloc_pages_slowpath+0x97e/0x2900 mm/page_alloc.c:4611 __alloc_pages_nodemask+0x646/0x910 mm/page_alloc.c:4825 alloc_pages_current+0x107/0x210 mm/mempolicy.c:2266 alloc_pages include/linux/gfp.h:532 [inline] __page_cache_alloc+0x29d/0x490 mm/filemap.c:959 pagecache_get_page+0x27e/0x9f0 mm/filemap.c:1649 filemap_fault+0x985/0x3050 mm/filemap.c:2492 ext4_filemap_fault+0x86/0xb2 fs/ext4/inode.c:6020 __do_fault+0x111/0x540 mm/memory.c:3304 do_read_fault mm/memory.c:3701 [inline] do_fault mm/memory.c:3830 [inline] handle_pte_fault mm/memory.c:4061 [inline] __handle_mm_fault+0x3736/0x3c20 mm/memory.c:4191 handle_mm_fault+0x3b2/0xa50 mm/memory.c:4228 do_user_addr_fault arch/x86/mm/fault.c:1464 [inline] do_page_fault+0x545/0x12e1 arch/x86/mm/fault.c:1539 page_fault+0x39/0x40 arch/x86/entry/entry_64.S:1203 RIP: 0033:0x7f994b9608fb Code: Bad RIP value. RSP: 002b:00007ffc4329fce0 EFLAGS: 00010216 RAX: 0000000000401688 RBX: 0000000001b1a250 RCX: 0000000000624f08 RDX: 0000000000402450 RSI: 0000000000000037 RDI: 00007f994bb741c8 RBP: 0000000000624e98 R08: 000000000041cc2c R09: 000000000041c5e9 R10: 0000000001b1a250 R11: 0000000000000246 R12: 0000000001b32e80 R13: 00007ffc432a0f87 R14: 0000000000000005 R15: 0000000001b1a250