EXT4-fs (sda1): Unrecognized mount option "data_er =ignore" or missing value INFO: task syz-executor.1:3255 blocked for more than 140 seconds. Not tainted 4.19.56 #28 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. syz-executor.1 D29152 3255 7843 0x00000004 Call Trace: context_switch kernel/sched/core.c:2826 [inline] __schedule+0x80d/0x1c70 kernel/sched/core.c:3474 schedule+0x92/0x1c0 kernel/sched/core.c:3518 request_wait_answer+0x42f/0x7c0 fs/fuse/dev.c:485 __fuse_request_send+0x128/0x1d0 fs/fuse/dev.c:505 fuse_request_send+0x60/0xa0 fs/fuse/dev.c:518 fuse_simple_request+0x2f6/0x720 fs/fuse/dev.c:576 fuse_lookup_name+0x275/0x670 fs/fuse/dir.c:323 fuse_lookup+0xeb/0x3e0 fs/fuse/dir.c:361 __lookup_hash+0x11d/0x190 fs/namei.c:1546 filename_create+0x1a7/0x4f0 fs/namei.c:3636 user_path_create fs/namei.c:3693 [inline] do_mknodat fs/namei.c:3754 [inline] do_mknodat+0x1a4/0x480 fs/namei.c:3742 __do_sys_mknod fs/namei.c:3794 [inline] __se_sys_mknod fs/namei.c:3792 [inline] __x64_sys_mknod+0x7b/0xb0 fs/namei.c:3792 do_syscall_64+0xfd/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x459519 Code: Bad RIP value. RSP: 002b:00007f26acec9c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000085 RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000459519 RDX: 0000000000000702 RSI: 000000000000007c RDI: 0000000020000040 RBP: 000000000075bfc8 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007f26aceca6d4 R13: 00000000004c57f9 R14: 00000000004d9e60 R15: 00000000ffffffff Showing all locks held in the system: 1 lock held by khungtaskd/1033: #0: 00000000a73f5620 (rcu_read_lock){....}, at: debug_show_all_locks+0x5f/0x27e kernel/locking/lockdep.c:4435 1 lock held by rsyslogd/7676: #0: 00000000f2338d81 (&f->f_pos_lock){+.+.}, at: __fdget_pos+0xee/0x110 fs/file.c:767 2 locks held by getty/7798: #0: 0000000011ca7d6b (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40 drivers/tty/tty_ldsem.c:363 #1: 0000000099bfc2e9 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x232/0x1b30 drivers/tty/n_tty.c:2154 2 locks held by getty/7799: #0: 0000000083faaa8e (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40 drivers/tty/tty_ldsem.c:363 #1: 00000000a965822e (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x232/0x1b30 drivers/tty/n_tty.c:2154 2 locks held by getty/7800: #0: 000000000c43aa13 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40 drivers/tty/tty_ldsem.c:363 #1: 000000008a0d03c4 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x232/0x1b30 drivers/tty/n_tty.c:2154 2 locks held by getty/7801: #0: 00000000715cb5a5 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40 drivers/tty/tty_ldsem.c:363 #1: 00000000b78d34f7 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x232/0x1b30 drivers/tty/n_tty.c:2154 2 locks held by getty/7802: #0: 0000000070a18525 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40 drivers/tty/tty_ldsem.c:363 #1: 000000004f42e2cf (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x232/0x1b30 drivers/tty/n_tty.c:2154 2 locks held by getty/7803: #0: 00000000d547c679 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40 drivers/tty/tty_ldsem.c:363 #1: 00000000c5432c3e (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x232/0x1b30 drivers/tty/n_tty.c:2154 2 locks held by getty/7804: #0: 0000000012b6f9ab (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40 drivers/tty/tty_ldsem.c:363 #1: 00000000442855f7 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x232/0x1b30 drivers/tty/n_tty.c:2154 3 locks held by syz-executor.1/3255: #0: 0000000044c32d65 (sb_writers#22){.+.+}, at: sb_start_write include/linux/fs.h:1578 [inline] #0: 0000000044c32d65 (sb_writers#22){.+.+}, at: mnt_want_write+0x3f/0xc0 fs/namespace.c:360 #1: 0000000031a7bf93 (&type->i_mutex_dir_key#8/1){+.+.}, at: inode_lock_nested include/linux/fs.h:782 [inline] #1: 0000000031a7bf93 (&type->i_mutex_dir_key#8/1){+.+.}, at: filename_create+0x17c/0x4f0 fs/namei.c:3635 #2: 000000004fe96f1e (&fi->mutex){+.+.}, at: fuse_lock_inode+0xba/0xf0 fs/fuse/inode.c:365 ============================================= NMI backtrace for cpu 1 CPU: 1 PID: 1033 Comm: khungtaskd Not tainted 4.19.56 #28 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+0x172/0x1f0 lib/dump_stack.c:113 nmi_cpu_backtrace.cold+0x63/0xa4 lib/nmi_backtrace.c:101 nmi_trigger_cpumask_backtrace+0x1b0/0x1f8 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:146 [inline] check_hung_uninterruptible_tasks kernel/hung_task.c:203 [inline] watchdog+0x9df/0xee0 kernel/hung_task.c:287 kthread+0x354/0x420 kernel/kthread.c:246 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:415 Sending NMI from CPU 1 to CPUs 0: NMI backtrace for cpu 0 CPU: 0 PID: 7 Comm: kworker/u4:0 Not tainted 4.19.56 #28 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Workqueue: bat_events batadv_nc_worker RIP: 0010:trace_lock_release include/trace/events/lock.h:58 [inline] RIP: 0010:lock_release+0x181/0xa30 kernel/locking/lockdep.c:3918 Code: 41 c7 86 7c 08 00 00 01 00 00 00 0f 1f 44 00 00 65 8b 05 32 14 af 7e 83 f8 3f 0f 87 61 05 00 00 89 c0 48 0f a3 05 0f 0f e9 07 <0f> 82 8b 04 00 00 48 c7 c0 80 a9 b0 88 48 ba 00 00 00 00 00 fc ff RSP: 0018:ffff8880aa21fc18 EFLAGS: 00000093 RAX: 0000000000000000 RBX: 1ffff11015443f89 RCX: ffffffff86d4b5b1 RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8880aa206a3c RBP: ffff8880aa21fcd0 R08: 0000000000000000 R09: ffffed1015d04733 R10: ffffed1015d04732 R11: ffff8880ae823993 R12: ffffffff8879d7e0 R13: ffffffff86d4b31a R14: ffff8880aa2061c0 R15: ffff8880aa21fca8 FS: 0000000000000000(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00000000004594ef CR3: 0000000097c6d000 CR4: 00000000001406f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: rcu_lock_release include/linux/rcupdate.h:247 [inline] rcu_read_unlock include/linux/rcupdate.h:681 [inline] batadv_nc_purge_orig_hash net/batman-adv/network-coding.c:423 [inline] batadv_nc_worker+0x225/0x760 net/batman-adv/network-coding.c:730 process_one_work+0x989/0x1750 kernel/workqueue.c:2153 worker_thread+0x98/0xe40 kernel/workqueue.c:2296 kthread+0x354/0x420 kernel/kthread.c:246 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:415