EXT4-fs mount: 60 callbacks suppressed EXT4-fs (loop1): mounted filesystem without journal. Opts: ,errors=continue EXT4-fs (loop3): ext4_check_descriptors: Inode table for group 0 not in group (block 0)! ttyprintk ttyprintk: tty_port_close_start: tty->count = 1 port count = 2 ====================================================== WARNING: possible circular locking dependency detected 4.14.231-syzkaller #0 Not tainted ------------------------------------------------------ syz-executor.4/21129 is trying to acquire lock: (console_owner){-...}, at: [] console_trylock_spinning kernel/printk/printk.c:1658 [inline] (console_owner){-...}, at: [] vprintk_emit+0x32a/0x620 kernel/printk/printk.c:1922 but task is already holding lock: (&(&port->lock)->rlock){-.-.}, at: [] tty_port_close_start.part.0+0x28/0x4c0 drivers/tty/tty_port.c:573 which lock already depends on the new lock. the existing dependency chain (in reverse order) is: -> #2 (&(&port->lock)->rlock){-.-.}: __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:110 [inline] _raw_spin_lock_irqsave+0x8c/0xc0 kernel/locking/spinlock.c:160 tty_port_tty_get+0x1d/0x80 drivers/tty/tty_port.c:288 tty_port_default_wakeup+0x11/0x40 drivers/tty/tty_port.c:46 serial8250_tx_chars+0x3fe/0xbf0 drivers/tty/serial/8250/8250_port.c:1810 serial8250_handle_irq.part.0+0x28d/0x330 drivers/tty/serial/8250/8250_port.c:1897 serial8250_handle_irq drivers/tty/serial/8250/8250_port.c:1870 [inline] serial8250_default_handle_irq+0x8a/0x1f0 drivers/tty/serial/8250/8250_port.c:1913 serial8250_interrupt+0xf3/0x210 drivers/tty/serial/8250/8250_core.c:129 __handle_irq_event_percpu+0xee/0x7f0 kernel/irq/handle.c:147 handle_irq_event_percpu kernel/irq/handle.c:187 [inline] handle_irq_event+0xf0/0x250 kernel/irq/handle.c:204 handle_edge_irq+0x224/0xc40 kernel/irq/chip.c:770 generic_handle_irq_desc include/linux/irqdesc.h:159 [inline] handle_irq+0x35/0x50 arch/x86/kernel/irq_64.c:87 do_IRQ+0x93/0x1d0 arch/x86/kernel/irq.c:230 ret_from_intr+0x0/0x1e native_safe_halt+0xe/0x10 arch/x86/include/asm/irqflags.h:60 arch_safe_halt arch/x86/include/asm/paravirt.h:94 [inline] default_idle+0x47/0x370 arch/x86/kernel/process.c:558 cpuidle_idle_call kernel/sched/idle.c:156 [inline] do_idle+0x250/0x3c0 kernel/sched/idle.c:246 cpu_startup_entry+0x14/0x20 kernel/sched/idle.c:351 start_kernel+0x750/0x770 init/main.c:708 secondary_startup_64+0xa5/0xb0 arch/x86/kernel/head_64.S:240 -> #1 (&port_lock_key){-.-.}: __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:110 [inline] _raw_spin_lock_irqsave+0x8c/0xc0 kernel/locking/spinlock.c:160 serial8250_console_write+0x7a7/0x9d0 drivers/tty/serial/8250/8250_port.c:3253 call_console_drivers kernel/printk/printk.c:1725 [inline] console_unlock+0x99d/0xf20 kernel/printk/printk.c:2400 vprintk_emit+0x224/0x620 kernel/printk/printk.c:1923 vprintk_func+0x58/0x160 kernel/printk/printk_safe.c:409 printk+0x9e/0xbc kernel/printk/printk.c:1996 register_console+0x6f4/0xad0 kernel/printk/printk.c:2719 univ8250_console_init+0x2f/0x3a drivers/tty/serial/8250/8250_core.c:691 console_init+0x46/0x53 kernel/printk/printk.c:2800 start_kernel+0x52e/0x770 init/main.c:634 secondary_startup_64+0xa5/0xb0 arch/x86/kernel/head_64.S:240 -> #0 (console_owner){-...}: lock_acquire+0x170/0x3f0 kernel/locking/lockdep.c:3998 console_trylock_spinning kernel/printk/printk.c:1679 [inline] vprintk_emit+0x367/0x620 kernel/printk/printk.c:1922 vprintk_func+0x58/0x160 kernel/printk/printk_safe.c:409 printk+0x9e/0xbc kernel/printk/printk.c:1996 tty_port_close_start.part.0+0x46c/0x4c0 drivers/tty/tty_port.c:575 tty_port_close_start drivers/tty/tty_port.c:647 [inline] tty_port_close+0x3b/0x130 drivers/tty/tty_port.c:640 tty_release+0x40b/0x10d0 drivers/tty/tty_io.c:1670 __fput+0x25f/0x7a0 fs/file_table.c:210 task_work_run+0x11f/0x190 kernel/task_work.c:113 tracehook_notify_resume include/linux/tracehook.h:191 [inline] exit_to_usermode_loop+0x1ad/0x200 arch/x86/entry/common.c:164 prepare_exit_to_usermode arch/x86/entry/common.c:199 [inline] syscall_return_slowpath arch/x86/entry/common.c:270 [inline] do_syscall_64+0x4a3/0x640 arch/x86/entry/common.c:297 entry_SYSCALL_64_after_hwframe+0x46/0xbb other info that might help us debug this: Chain exists of: console_owner --> &port_lock_key --> &(&port->lock)->rlock Possible unsafe locking scenario: CPU0 CPU1 ---- ---- lock(&(&port->lock)->rlock); lock(&port_lock_key); lock(&(&port->lock)->rlock); lock(console_owner); *** DEADLOCK *** 2 locks held by syz-executor.4/21129: #0: (&tty->legacy_mutex){+.+.}, at: [] tty_lock+0x5f/0x70 drivers/tty/tty_mutex.c:19 #1: (&(&port->lock)->rlock){-.-.}, at: [] tty_port_close_start.part.0+0x28/0x4c0 drivers/tty/tty_port.c:573 stack backtrace: CPU: 1 PID: 21129 Comm: syz-executor.4 Not tainted 4.14.231-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:17 [inline] dump_stack+0x1b2/0x281 lib/dump_stack.c:58 print_circular_bug.constprop.0.cold+0x2d7/0x41e kernel/locking/lockdep.c:1258 check_prev_add kernel/locking/lockdep.c:1905 [inline] check_prevs_add kernel/locking/lockdep.c:2022 [inline] validate_chain kernel/locking/lockdep.c:2464 [inline] __lock_acquire+0x2e0e/0x3f20 kernel/locking/lockdep.c:3491 lock_acquire+0x170/0x3f0 kernel/locking/lockdep.c:3998 console_trylock_spinning kernel/printk/printk.c:1679 [inline] vprintk_emit+0x367/0x620 kernel/printk/printk.c:1922 vprintk_func+0x58/0x160 kernel/printk/printk_safe.c:409 printk+0x9e/0xbc kernel/printk/printk.c:1996 tty_port_close_start.part.0+0x46c/0x4c0 drivers/tty/tty_port.c:575 tty_port_close_start drivers/tty/tty_port.c:647 [inline] tty_port_close+0x3b/0x130 drivers/tty/tty_port.c:640 tty_release+0x40b/0x10d0 drivers/tty/tty_io.c:1670 __fput+0x25f/0x7a0 fs/file_table.c:210 task_work_run+0x11f/0x190 kernel/task_work.c:113 tracehook_notify_resume include/linux/tracehook.h:191 [inline] exit_to_usermode_loop+0x1ad/0x200 arch/x86/entry/common.c:164 prepare_exit_to_usermode arch/x86/entry/common.c:199 [inline] syscall_return_slowpath arch/x86/entry/common.c:270 [inline] do_syscall_64+0x4a3/0x640 arch/x86/entry/common.c:297 entry_SYSCALL_64_after_hwframe+0x46/0xbb RIP: 0033:0x41940b RSP: 002b:00007ffca78eac90 EFLAGS: 00000293 ORIG_RAX: 0000000000000003 RAX: 0000000000000000 RBX: 0000000000000006 RCX: 000000000041940b RDX: 0000000000570580 RSI: 0000000000000081 RDI: 0000000000000005 RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000570580 R13: 00007ffca78eadb0 R14: 000000000056bf60 R15: 000000000006663f Bluetooth: hci0 command 0x0406 tx timeout EXT4-fs (loop3): group descriptors corrupted! EXT4-fs (loop0): mounted filesystem without journal. Opts: ,errors=continue print_req_error: I/O error, dev loop3, sector 0 Buffer I/O error on dev loop3, logical block 0, async page read print_req_error: I/O error, dev loop3, sector 6 Buffer I/O error on dev loop3, logical block 3, async page read EXT4-fs (loop1): mounted filesystem without journal. Opts: ,errors=continue EXT4-fs (loop0): mounted filesystem without journal. Opts: ,errors=continue EXT4-fs (loop3): ext4_check_descriptors: Inode table for group 0 not in group (block 0)! EXT4-fs (loop3): group descriptors corrupted! EXT4-fs (loop1): mounted filesystem without journal. Opts: ,errors=continue EXT4-fs (loop0): mounted filesystem without journal. Opts: ,errors=continue EXT4-fs (loop3): ext4_check_descriptors: Inode table for group 0 not in group (block 0)! netlink: 20 bytes leftover after parsing attributes in process `syz-executor.4'. EXT4-fs (loop3): group descriptors corrupted! print_req_error: I/O error, dev loop3, sector 0 EXT4-fs (loop1): mounted filesystem without journal. Opts: ,errors=continue Buffer I/O error on dev loop3, logical block 0, async page read print_req_error: I/O error, dev loop3, sector 6 Buffer I/O error on dev loop3, logical block 3, async page read netlink: 20 bytes leftover after parsing attributes in process `syz-executor.4'. EXT4-fs (loop0): mounted filesystem without journal. Opts: ,errors=continue EXT4-fs (loop1): mounted filesystem without journal. Opts: ,errors=continue EXT4-fs (loop0): mounted filesystem without journal. Opts: ,errors=continue EXT4-fs (loop3): ext4_check_descriptors: Block bitmap for group 0 not in group (block 0)! EXT4-fs (loop1): mounted filesystem without journal. Opts: ,errors=continue EXT4-fs (loop3): group descriptors corrupted! kauditd_printk_skb: 14 callbacks suppressed audit: type=1804 audit(1619152293.993:12927): pid=21342 uid=0 auid=4294967295 ses=4294967295 op="invalid_pcr" cause="ToMToU" comm="syz-executor.2" name="/root/syzkaller-testdir774203576/syzkaller.eijS9E/267/bus" dev="sda1" ino=14385 res=1 audit: type=1804 audit(1619152294.073:12928): pid=21316 uid=0 auid=4294967295 ses=4294967295 op="invalid_pcr" cause="ToMToU" comm="syz-executor.2" name="/root/syzkaller-testdir774203576/syzkaller.eijS9E/267/bus" dev="sda1" ino=14385 res=1 EXT4-fs (loop0): mounted filesystem without journal. Opts: ,errors=continue EXT4-fs (loop1): mounted filesystem without journal. Opts: ,errors=continue audit: type=1804 audit(1619152294.233:12929): pid=21403 uid=0 auid=4294967295 ses=4294967295 op="invalid_pcr" cause="open_writers" comm="syz-executor.2" name="/root/syzkaller-testdir774203576/syzkaller.eijS9E/268/bus" dev="sda1" ino=14402 res=1 EXT4-fs (loop3): ext4_check_descriptors: Block bitmap for group 0 not in group (block 0)! EXT4-fs (loop3): group descriptors corrupted! audit: type=1804 audit(1619152294.233:12930): pid=21403 uid=0 auid=4294967295 ses=4294967295 op="invalid_pcr" cause="ToMToU" comm="syz-executor.2" name="/root/syzkaller-testdir774203576/syzkaller.eijS9E/268/bus" dev="sda1" ino=14402 res=1 audit: type=1804 audit(1619152294.343:12931): pid=21382 uid=0 auid=4294967295 ses=4294967295 op="invalid_pcr" cause="ToMToU" comm="syz-executor.2" name="/root/syzkaller-testdir774203576/syzkaller.eijS9E/268/bus" dev="sda1" ino=14402 res=1 EXT4-fs (loop1): mounted filesystem without journal. Opts: ,errors=continue EXT4-fs (loop0): mounted filesystem without journal. Opts: ,errors=continue audit: type=1804 audit(1619152294.543:12932): pid=21464 uid=0 auid=4294967295 ses=4294967295 op="invalid_pcr" cause="open_writers" comm="syz-executor.2" name="/root/syzkaller-testdir774203576/syzkaller.eijS9E/269/bus" dev="sda1" ino=14909 res=1 EXT4-fs (loop3): ext4_check_descriptors: Block bitmap for group 0 not in group (block 0)! EXT4-fs (loop3): group descriptors corrupted! audit: type=1804 audit(1619152294.603:12933): pid=21464 uid=0 auid=4294967295 ses=4294967295 op="invalid_pcr" cause="ToMToU" comm="syz-executor.2" name="/root/syzkaller-testdir774203576/syzkaller.eijS9E/269/bus" dev="sda1" ino=14909 res=1 EXT4-fs (loop1): mounted filesystem without journal. Opts: ,errors=continue audit: type=1804 audit(1619152294.793:12934): pid=21445 uid=0 auid=4294967295 ses=4294967295 op="invalid_pcr" cause="ToMToU" comm="syz-executor.2" name="/root/syzkaller-testdir774203576/syzkaller.eijS9E/269/bus" dev="sda1" ino=14909 res=1 EXT4-fs (loop3): VFS: Can't find ext4 filesystem EXT4-fs (loop0): mounted filesystem without journal. Opts: ,errors=continue audit: type=1804 audit(1619152294.893:12935): pid=21525 uid=0 auid=4294967295 ses=4294967295 op="invalid_pcr" cause="open_writers" comm="syz-executor.5" name="/root/syzkaller-testdir357678081/syzkaller.QEYsLH/253/file0" dev="sda1" ino=14353 res=1 EXT4-fs (loop3): VFS: Can't find ext4 filesystem EXT4-fs (loop1): mounted filesystem without journal. Opts: ,errors=continue audit: type=1804 audit(1619152294.893:12936): pid=21525 uid=0 auid=4294967295 ses=4294967295 op="invalid_pcr" cause="ToMToU" comm="syz-executor.5" name="/root/syzkaller-testdir357678081/syzkaller.QEYsLH/253/file0" dev="sda1" ino=14353 res=1 EXT4-fs (loop0): mounted filesystem without journal. Opts: ,errors=continue EXT4-fs (loop3): VFS: Can't find ext4 filesystem EXT4-fs (loop1): mounted filesystem without journal. Opts: ,errors=continue EXT4-fs (loop0): mounted filesystem without journal. Opts: ,errors=continue EXT4-fs (loop3): VFS: Can't find ext4 filesystem EXT4-fs error (device loop1): ext4_lookup:1602: inode #2: comm syz-executor.1: deleted inode referenced: 12 EXT4-fs error (device loop0): ext4_lookup:1602: inode #2: comm syz-executor.0: deleted inode referenced: 12 EXT4-fs (loop3): VFS: Can't find ext4 filesystem netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'. EXT4-fs (loop1): mounted filesystem without journal. Opts: ,errors=continue EXT4-fs error (device loop1): ext4_lookup:1602: inode #2: comm syz-executor.1: deleted inode referenced: 12 EXT4-fs (loop0): mounted filesystem without journal. Opts: ,errors=continue netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'. EXT4-fs (loop3): VFS: Can't find ext4 filesystem EXT4-fs (loop0): mounted filesystem without journal. Opts: ,errors=continue print_req_error: I/O error, dev loop3, sector 0 Buffer I/O error on dev loop3, logical block 0, async page read print_req_error: I/O error, dev loop3, sector 4 Buffer I/O error on dev loop3, logical block 2, async page read print_req_error: I/O error, dev loop3, sector 6 Buffer I/O error on dev loop3, logical block 3, async page read EXT4-fs (loop1): mounted filesystem without journal. Opts: ,errors=continue EXT4-fs (loop3): VFS: Can't find ext4 filesystem EXT4-fs error (device loop1): ext4_lookup:1602: inode #2: comm syz-executor.1: deleted inode referenced: 12 EXT4-fs (loop0): mounted filesystem without journal. Opts: ,errors=continue EXT4-fs (loop3): VFS: Can't find ext4 filesystem EXT4-fs (loop1): mounted filesystem without journal. Opts: ,errors=continue EXT4-fs (loop0): mounted filesystem without journal. Opts: ,errors=continue EXT4-fs (loop3): VFS: Can't find ext4 filesystem EXT4-fs (loop1): mounted filesystem without journal. Opts: ,errors=continue EXT4-fs (loop1): mounted filesystem without journal. Opts: ,errors=continue EXT4-fs (loop0): mounted filesystem without journal. Opts: ,errors=continue EXT4-fs (loop3): VFS: Can't find ext4 filesystem EXT4-fs error (device loop1): ext4_lookup:1602: inode #2: comm syz-executor.1: deleted inode referenced: 12 EXT4-fs error (device loop0): ext4_lookup:1602: inode #2: comm syz-executor.0: deleted inode referenced: 12 EXT4-fs (loop3): VFS: Can't find ext4 filesystem EXT4-fs (loop0): mounted filesystem without journal. Opts: ,errors=continue print_req_error: I/O error, dev loop3, sector 0 Buffer I/O error on dev loop3, logical block 0, async page read print_req_error: I/O error, dev loop3, sector 4 Buffer I/O error on dev loop3, logical block 2, async page read EXT4-fs error (device loop0): ext4_lookup:1602: inode #2: comm syz-executor.0: deleted inode referenced: 12 print_req_error: I/O error, dev loop3, sector 6 Buffer I/O error on dev loop3, logical block 3, async page read EXT4-fs (loop1): mounted filesystem without journal. Opts: ,errors=continue EXT4-fs (loop3): VFS: Can't find ext4 filesystem EXT4-fs (loop0): mounted filesystem without journal. Opts: ,errors=continue EXT4-fs error (device loop3): ext4_fill_super:4365: inode #2: comm syz-executor.3: iget: root inode unallocated EXT4-fs (loop3): get root inode failed EXT4-fs (loop3): mount failed EXT4-fs (loop1): mounted filesystem without journal. Opts: ,errors=continue EXT4-fs (loop0): mounted filesystem without journal. Opts: ,errors=continue EXT4-fs error (device loop0): ext4_lookup:1602: inode #2: comm syz-executor.0: deleted inode referenced: 12 EXT4-fs error (device loop1): ext4_lookup:1602: inode #2: comm syz-executor.1: deleted inode referenced: 12 EXT4-fs error (device loop3): ext4_fill_super:4365: inode #2: comm syz-executor.3: iget: root inode unallocated EXT4-fs (loop3): get root inode failed EXT4-fs (loop3): mount failed EXT4-fs (loop1): mounted filesystem without journal. Opts: ,errors=continue EXT4-fs (loop0): mounted filesystem without journal. Opts: ,errors=continue EXT4-fs error (device loop0): ext4_lookup:1602: inode #2: comm syz-executor.0: deleted inode referenced: 12 EXT4-fs error (device loop3): ext4_fill_super:4365: inode #2: comm syz-executor.3: iget: root inode unallocated EXT4-fs (loop3): get root inode failed EXT4-fs (loop3): mount failed EXT4-fs (loop1): mounted filesystem without journal. Opts: ,errors=continue EXT4-fs error (device loop1): ext4_lookup:1602: inode #2: comm syz-executor.1: deleted inode referenced: 12 EXT4-fs (loop0): mounted filesystem without journal. Opts: ,errors=continue EXT4-fs (loop3): invalid first ino: 0 print_req_error: 3 callbacks suppressed print_req_error: I/O error, dev loop3, sector 0 buffer_io_error: 3 callbacks suppressed Buffer I/O error on dev loop3, logical block 0, async page read print_req_error: I/O error, dev loop3, sector 4 Buffer I/O error on dev loop3, logical block 2, async page read print_req_error: I/O error, dev loop3, sector 6 Buffer I/O error on dev loop3, logical block 3, async page read EXT4-fs (loop1): mounted filesystem without journal. Opts: ,errors=continue EXT4-fs error (device loop1): ext4_lookup:1602: inode #2: comm syz-executor.1: deleted inode referenced: 12 EXT4-fs (loop3): invalid first ino: 0 EXT4-fs (loop0): mounted filesystem without journal. Opts: ,errors=continue EXT4-fs (loop3): invalid first ino: 0 EXT4-fs error (device loop0): ext4_lookup:1602: inode #2: comm syz-executor.0: deleted inode referenced: 12 print_req_error: I/O error, dev loop3, sector 0 Buffer I/O error on dev loop3, logical block 0, async page read print_req_error: I/O error, dev loop3, sector 4 Buffer I/O error on dev loop3, logical block 2, async page read print_req_error: I/O error, dev loop3, sector 6 Buffer I/O error on dev loop3, logical block 3, async page read EXT4-fs (loop3): unsupported inode size: 0 EXT4-fs (loop1): mounted filesystem without journal. Opts: ,errors=continue EXT4-fs (loop3): blocksize: 1024 print_req_error: I/O error, dev loop5, sector 0 EXT4-fs error (device loop1): ext4_lookup:1602: inode #2: comm syz-executor.1: deleted inode referenced: 12 netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'. EXT4-fs (loop0): mounted filesystem without journal. Opts: ,errors=continue netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'. EXT4-fs (loop3): unsupported inode size: 0 EXT4-fs (loop3): blocksize: 1024 EXT4-fs (loop1): mounted filesystem without journal. Opts: ,errors=continue EXT4-fs (loop0): mounted filesystem without journal. Opts: ,errors=continue EXT4-fs error (device loop1): ext4_empty_dir:2736: inode #12: comm syz-executor.1: invalid size print_req_error: I/O error, dev loop3, sector 0 Buffer I/O error on dev loop3, logical block 0, async page read print_req_error: I/O error, dev loop3, sector 4 EXT4-fs error (device loop0): ext4_empty_dir:2736: inode #12: comm syz-executor.0: invalid size Buffer I/O error on dev loop3, logical block 2, async page read print_req_error: I/O error, dev loop3, sector 6 Buffer I/O error on dev loop3, logical block 3, async page read netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. EXT4-fs error (device loop0): ext4_free_inode:353: comm syz-executor.0: bit already cleared for inode 12 EXT4-fs error (device loop1): ext4_free_inode:353: comm syz-executor.1: bit already cleared for inode 12 EXT4-fs (loop3): unsupported inode size: 0 netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'. EXT4-fs (loop3): blocksize: 1024 netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'. EXT4-fs (loop0): mounted filesystem without journal. Opts: ,errors=continue kauditd_printk_skb: 30 callbacks suppressed audit: type=1804 audit(1619152299.033:12967): pid=22331 uid=0 auid=4294967295 ses=4294967295 op="invalid_pcr" cause="ToMToU" comm="syz-executor.2" name="/root/syzkaller-testdir774203576/syzkaller.eijS9E/280/bus" dev="sda1" ino=14956 res=1 EXT4-fs (loop3): unsupported inode size: 0 EXT4-fs error (device loop0): ext4_empty_dir:2736: inode #12: comm syz-executor.0: invalid size EXT4-fs (loop1): mounted filesystem without journal. Opts: ,errors=continue EXT4-fs (loop3): blocksize: 1024 EXT4-fs error (device loop0): ext4_free_inode:353: comm syz-executor.0: bit already cleared for inode 12 audit: type=1804 audit(1619152299.253:12968): pid=22410 uid=0 auid=4294967295 ses=4294967295 op="invalid_pcr" cause="open_writers" comm="syz-executor.2" name="/root/syzkaller-testdir774203576/syzkaller.eijS9E/281/bus" dev="sda1" ino=14961 res=1 EXT4-fs (loop3): unsupported inode size: 0 EXT4-fs (loop0): mounted filesystem without journal. Opts: ,errors=continue EXT4-fs (loop3): blocksize: 1024 audit: type=1804 audit(1619152299.323:12969): pid=22430 uid=0 auid=4294967295 ses=4294967295 op="invalid_pcr" cause="ToMToU" comm="syz-executor.2" name="/root/syzkaller-testdir774203576/syzkaller.eijS9E/281/bus" dev="sda1" ino=14961 res=1 EXT4-fs (loop1): mounted filesystem without journal. Opts: ,errors=continue EXT4-fs error (device loop0): ext4_empty_dir:2736: inode #12: comm syz-executor.0: invalid size EXT4-fs error (device loop0): ext4_free_inode:353: comm syz-executor.0: bit already cleared for inode 12 EXT4-fs (loop3): unsupported inode size: 0 EXT4-fs (loop3): blocksize: 1024 EXT4-fs (loop1): mounted filesystem without journal. Opts: ,errors=continue EXT4-fs error (device loop1): ext4_empty_dir:2736: inode #12: comm syz-executor.1: invalid size EXT4-fs error (device loop1): ext4_free_inode:353: comm syz-executor.1: bit already cleared for inode 12 Buffer I/O error on dev loop3, logical block 0, async page read EXT4-fs (loop0): mounted filesystem without journal. Opts: ,errors=continue audit: type=1804 audit(1619152300.023:12970): pid=22410 uid=0 auid=4294967295 ses=4294967295 op="invalid_pcr" cause="open_writers" comm="syz-executor.2" name="/root/syzkaller-testdir774203576/syzkaller.eijS9E/281/bus" dev="sda1" ino=14961 res=1 EXT4-fs error (device loop0): ext4_empty_dir:2736: inode #12: comm syz-executor.0: invalid size EXT4-fs error (device loop0): ext4_free_inode:353: comm syz-executor.0: bit already cleared for inode 12 audit: type=1804 audit(1619152300.073:12971): pid=22410 uid=0 auid=4294967295 ses=4294967295 op="invalid_pcr" cause="ToMToU" comm="syz-executor.2" name="/root/syzkaller-testdir774203576/syzkaller.eijS9E/281/bus" dev="sda1" ino=14961 res=1 netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'. EXT4-fs (loop3): unsupported inode size: 0 EXT4-fs (loop3): blocksize: 1024 EXT4-fs (loop1): mounted filesystem without journal. Opts: ,errors=continue audit: type=1804 audit(1619152300.253:12972): pid=22541 uid=0 auid=4294967295 ses=4294967295 op="invalid_pcr" cause="open_writers" comm="syz-executor.2" name="/root/syzkaller-testdir774203576/syzkaller.eijS9E/282/bus" dev="sda1" ino=14975 res=1 EXT4-fs (loop0): mounted filesystem without journal. Opts: ,errors=continue audit: type=1804 audit(1619152300.273:12973): pid=22541 uid=0 auid=4294967295 ses=4294967295 op="invalid_pcr" cause="ToMToU" comm="syz-executor.2" name="/root/syzkaller-testdir774203576/syzkaller.eijS9E/282/bus" dev="sda1" ino=14975 res=1 netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'. EXT4-fs (loop1): mounted filesystem without journal. Opts: ,errors=continue audit: type=1804 audit(1619152300.483:12974): pid=22527 uid=0 auid=4294967295 ses=4294967295 op="invalid_pcr" cause="ToMToU" comm="syz-executor.2" name="/root/syzkaller-testdir774203576/syzkaller.eijS9E/282/bus" dev="sda1" ino=14975 res=1 EXT4-fs error (device loop1): ext4_empty_dir:2736: inode #12: comm syz-executor.1: invalid size EXT4-fs (loop3): unsupported inode size: 0 EXT4-fs (loop3): blocksize: 1024 EXT4-fs error (device loop1): ext4_free_inode:353: comm syz-executor.1: bit already cleared for inode 12 EXT4-fs (loop0): mounted filesystem without journal. Opts: ,errors=continue EXT4-fs error (device loop0): ext4_empty_dir:2736: inode #12: comm syz-executor.0: invalid size EXT4-fs error (device loop0): ext4_free_inode:353: comm syz-executor.0: bit already cleared for inode 12 audit: type=1804 audit(1619152300.703:12975): pid=22594 uid=0 auid=4294967295 ses=4294967295 op="invalid_pcr" cause="open_writers" comm="syz-executor.2" name="/root/syzkaller-testdir774203576/syzkaller.eijS9E/283/bus" dev="sda1" ino=14979 res=1 EXT4-fs (loop3): unsupported inode size: 0 audit: type=1804 audit(1619152300.713:12976): pid=22594 uid=0 auid=4294967295 ses=4294967295 op="invalid_pcr" cause="ToMToU" comm="syz-executor.2" name="/root/syzkaller-testdir774203576/syzkaller.eijS9E/283/bus" dev="sda1" ino=14979 res=1 EXT4-fs (loop3): blocksize: 1024 EXT4-fs (loop1): mounted filesystem without journal. Opts: ,errors=continue EXT4-fs (loop3): VFS: Can't find ext4 filesystem EXT4-fs (loop0): mounted filesystem without journal. Opts: ,errors=continue EXT4-fs error (device loop0): ext4_empty_dir:2736: inode #12: comm syz-executor.0: invalid size EXT4-fs (loop1): mounted filesystem without journal. Opts: ,errors=continue EXT4-fs error (device loop0): ext4_free_inode:353: comm syz-executor.0: bit already cleared for inode 12 EXT4-fs (loop3): VFS: Can't find ext4 filesystem EXT4-fs (loop1): mounted filesystem without journal. Opts: ,errors=continue EXT4-fs (loop0): mounted filesystem without journal. Opts: ,errors=continue EXT4-fs (loop3): VFS: Can't find ext4 filesystem EXT4-fs error (device loop0): ext4_empty_dir:2736: inode #12: comm syz-executor.0: invalid size EXT4-fs error (device loop0): ext4_free_inode:353: comm syz-executor.0: bit already cleared for inode 12 netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. EXT4-fs (loop1): mounted filesystem without journal. Opts: ,errors=continue EXT4-fs (loop0): mounted filesystem without journal. Opts: ,errors=continue EXT4-fs error (device loop0): ext4_empty_dir:2736: inode #12: comm syz-executor.0: invalid size netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. EXT4-fs error (device loop0): ext4_free_inode:353: comm syz-executor.0: bit already cleared for inode 12 EXT4-fs (loop1): mounted filesystem without journal. Opts: ,errors=continue EXT4-fs error (device loop1): ext4_lookup:1602: inode #2: comm syz-executor.1: deleted inode referenced: 12 sp0: Synchronizing with TNC EXT4-fs error (device loop0): ext4_empty_dir:2736: inode #12: comm syz-executor.0: invalid size EXT4-fs error (device loop0): ext4_free_inode:353: comm syz-executor.0: bit already cleared for inode 12 sp0: Synchronizing with TNC