kobject: 'loop4' (ffff8880a413a560): fill_kobj_path: path = '/devices/virtual/block/loop4' RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007f894522d6d4 R13: 00000000004c5a54 R14: 00000000004dbd30 R15: 0000000000000006 ====================================================== WARNING: possible circular locking dependency detected 4.14.159-syzkaller #0 Not tainted ------------------------------------------------------ syz-executor.0/24228 is trying to acquire lock: (console_owner){-.-.}, at: [] console_trylock_spinning kernel/printk/printk.c:1658 [inline] (console_owner){-.-.}, at: [] vprintk_emit kernel/printk/printk.c:1922 [inline] (console_owner){-.-.}, at: [] vprintk_emit+0x2f1/0x600 kernel/printk/printk.c:1888 but task is already holding lock: (&(&port->lock)->rlock){-.-.}, at: [] pty_write+0xe0/0x1d0 drivers/tty/pty.c:120 which lock already depends on the new lock. the existing dependency chain (in reverse order) is: -> #2 (&(&port->lock)->rlock){-.-.}: lock_acquire+0x16f/0x430 kernel/locking/lockdep.c:3994 __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:110 [inline] _raw_spin_lock_irqsave+0x95/0xcd kernel/locking/spinlock.c:160 tty_port_tty_get+0x22/0x90 drivers/tty/tty_port.c:287 tty_port_default_wakeup+0x16/0x40 drivers/tty/tty_port.c:46 tty_port_tty_wakeup+0x57/0x70 drivers/tty/tty_port.c:389 uart_write_wakeup+0x46/0x70 drivers/tty/serial/serial_core.c:116 serial8250_tx_chars+0x40d/0xa10 drivers/tty/serial/8250/8250_port.c:1810 serial8250_handle_irq.part.0+0x206/0x250 drivers/tty/serial/8250/8250_port.c:1883 serial8250_handle_irq drivers/tty/serial/8250/8250_port.c:1869 [inline] serial8250_default_handle_irq+0xa1/0x120 drivers/tty/serial/8250/8250_port.c:1899 serial8250_interrupt+0xe9/0x1a0 drivers/tty/serial/8250/8250_core.c:129 __handle_irq_event_percpu+0x125/0x7f0 kernel/irq/handle.c:147 handle_irq_event_percpu+0x65/0x130 kernel/irq/handle.c:187 handle_irq_event+0xa7/0x134 kernel/irq/handle.c:204 handle_edge_irq+0x22b/0x840 kernel/irq/chip.c:770 generic_handle_irq_desc include/linux/irqdesc.h:159 [inline] handle_irq+0x39/0x50 arch/x86/kernel/irq_64.c:87 do_IRQ+0x99/0x1d0 arch/x86/kernel/irq.c:230 ret_from_intr+0x0/0x1e arch_local_irq_restore arch/x86/include/asm/paravirt.h:779 [inline] __raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:160 [inline] _raw_spin_unlock_irqrestore+0x95/0xe0 kernel/locking/spinlock.c:192 spin_unlock_irqrestore include/linux/spinlock.h:372 [inline] uart_write+0x29a/0x4f0 drivers/tty/serial/serial_core.c:625 process_output_block drivers/tty/n_tty.c:595 [inline] n_tty_write+0x38b/0xf20 drivers/tty/n_tty.c:2333 do_tty_write drivers/tty/tty_io.c:959 [inline] tty_write+0x3f6/0x700 drivers/tty/tty_io.c:1043 redirected_tty_write+0xa3/0xb0 drivers/tty/tty_io.c:1064 __vfs_write+0x105/0x6b0 fs/read_write.c:480 vfs_write+0x198/0x500 fs/read_write.c:544 SYSC_write fs/read_write.c:590 [inline] SyS_write+0xfd/0x230 fs/read_write.c:582 do_syscall_64+0x1e8/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x42/0xb7 -> #1 (&port_lock_key){-.-.}: lock_acquire+0x16f/0x430 kernel/locking/lockdep.c:3994 __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:110 [inline] _raw_spin_lock_irqsave+0x95/0xcd kernel/locking/spinlock.c:160 serial8250_console_write+0x709/0x930 drivers/tty/serial/8250/8250_port.c:3232 univ8250_console_write+0x5f/0x70 drivers/tty/serial/8250/8250_core.c:597 call_console_drivers kernel/printk/printk.c:1725 [inline] console_unlock+0x9ba/0xed0 kernel/printk/printk.c:2397 vprintk_emit kernel/printk/printk.c:1923 [inline] vprintk_emit+0x1f9/0x600 kernel/printk/printk.c:1888 vprintk_default+0x28/0x30 kernel/printk/printk.c:1963 vprintk_func+0x5d/0x159 kernel/printk/printk_safe.c:401 printk+0x9e/0xbc kernel/printk/printk.c:1996 register_console+0x614/0x9e0 kernel/printk/printk.c:2716 univ8250_console_init+0x33/0x3f drivers/tty/serial/8250/8250_core.c:692 console_init+0x4d/0x5d kernel/printk/printk.c:2797 start_kernel+0x43c/0x6fd init/main.c:634 x86_64_start_reservations+0x29/0x2b arch/x86/kernel/head64.c:399 x86_64_start_kernel+0x77/0x7b arch/x86/kernel/head64.c:380 secondary_startup_64+0xa5/0xb0 arch/x86/kernel/head_64.S:240 -> #0 (console_owner){-.-.}: check_prev_add kernel/locking/lockdep.c:1901 [inline] check_prevs_add kernel/locking/lockdep.c:2018 [inline] validate_chain kernel/locking/lockdep.c:2460 [inline] __lock_acquire+0x2cb3/0x4620 kernel/locking/lockdep.c:3487 lock_acquire+0x16f/0x430 kernel/locking/lockdep.c:3994 console_trylock_spinning kernel/printk/printk.c:1679 [inline] vprintk_emit kernel/printk/printk.c:1922 [inline] vprintk_emit+0x32e/0x600 kernel/printk/printk.c:1888 vprintk_default+0x28/0x30 kernel/printk/printk.c:1963 vprintk_func+0x5d/0x159 kernel/printk/printk_safe.c:401 printk+0x9e/0xbc kernel/printk/printk.c:1996 fail_dump lib/fault-inject.c:44 [inline] should_fail.cold+0xe4/0x159 lib/fault-inject.c:149 should_failslab+0xdb/0x130 mm/failslab.c:32 slab_pre_alloc_hook mm/slab.h:421 [inline] slab_alloc mm/slab.c:3376 [inline] __do_kmalloc mm/slab.c:3718 [inline] __kmalloc+0x71/0x7a0 mm/slab.c:3729 kmalloc include/linux/slab.h:493 [inline] tty_buffer_alloc drivers/tty/tty_buffer.c:169 [inline] __tty_buffer_request_room+0x1a4/0x500 drivers/tty/tty_buffer.c:267 tty_insert_flip_string_fixed_flag+0x8a/0x1c0 drivers/tty/tty_buffer.c:312 tty_insert_flip_string include/linux/tty_flip.h:37 [inline] pty_write+0x113/0x1d0 drivers/tty/pty.c:122 tty_put_char+0x108/0x130 drivers/tty/tty_io.c:2880 __process_echoes+0x495/0x8a0 drivers/tty/n_tty.c:728 flush_echoes drivers/tty/n_tty.c:829 [inline] __receive_buf drivers/tty/n_tty.c:1648 [inline] n_tty_receive_buf_common+0x8ed/0x2570 drivers/tty/n_tty.c:1742 n_tty_receive_buf+0x31/0x3b drivers/tty/n_tty.c:1771 tiocsti drivers/tty/tty_io.c:2186 [inline] tty_ioctl+0xded/0x1320 drivers/tty/tty_io.c:2572 vfs_ioctl fs/ioctl.c:46 [inline] file_ioctl fs/ioctl.c:500 [inline] do_vfs_ioctl+0x7ae/0x1060 fs/ioctl.c:684 SYSC_ioctl fs/ioctl.c:701 [inline] SyS_ioctl+0x8f/0xc0 fs/ioctl.c:692 do_syscall_64+0x1e8/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x42/0xb7 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 *** 4 locks held by syz-executor.0/24228: #0: (&tty->ldisc_sem){++++}, at: [] ldsem_down_read+0x33/0x40 drivers/tty/tty_ldsem.c:376 #1: (&o_tty->termios_rwsem/1){++++}, at: [] n_tty_receive_buf_common+0x8f/0x2570 drivers/tty/n_tty.c:1705 #2: (&ldata->output_lock){+.+.}, at: [] flush_echoes drivers/tty/n_tty.c:827 [inline] #2: (&ldata->output_lock){+.+.}, at: [] __receive_buf drivers/tty/n_tty.c:1648 [inline] #2: (&ldata->output_lock){+.+.}, at: [] n_tty_receive_buf_common+0x8ad/0x2570 drivers/tty/n_tty.c:1742 #3: (&(&port->lock)->rlock){-.-.}, at: [] pty_write+0xe0/0x1d0 drivers/tty/pty.c:120 stack backtrace: CPU: 0 PID: 24228 Comm: syz-executor.0 Not tainted 4.14.159-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+0x142/0x197 lib/dump_stack.c:58 print_circular_bug.isra.0.cold+0x1cc/0x28f kernel/locking/lockdep.c:1258 check_prev_add kernel/locking/lockdep.c:1901 [inline] check_prevs_add kernel/locking/lockdep.c:2018 [inline] validate_chain kernel/locking/lockdep.c:2460 [inline] __lock_acquire+0x2cb3/0x4620 kernel/locking/lockdep.c:3487 lock_acquire+0x16f/0x430 kernel/locking/lockdep.c:3994 console_trylock_spinning kernel/printk/printk.c:1679 [inline] vprintk_emit kernel/printk/printk.c:1922 [inline] vprintk_emit+0x32e/0x600 kernel/printk/printk.c:1888 vprintk_default+0x28/0x30 kernel/printk/printk.c:1963 vprintk_func+0x5d/0x159 kernel/printk/printk_safe.c:401 printk+0x9e/0xbc kernel/printk/printk.c:1996 fail_dump lib/fault-inject.c:44 [inline] should_fail.cold+0xe4/0x159 lib/fault-inject.c:149 should_failslab+0xdb/0x130 mm/failslab.c:32 slab_pre_alloc_hook mm/slab.h:421 [inline] slab_alloc mm/slab.c:3376 [inline] __do_kmalloc mm/slab.c:3718 [inline] __kmalloc+0x71/0x7a0 mm/slab.c:3729 kmalloc include/linux/slab.h:493 [inline] tty_buffer_alloc drivers/tty/tty_buffer.c:169 [inline] __tty_buffer_request_room+0x1a4/0x500 drivers/tty/tty_buffer.c:267 tty_insert_flip_string_fixed_flag+0x8a/0x1c0 drivers/tty/tty_buffer.c:312 tty_insert_flip_string include/linux/tty_flip.h:37 [inline] pty_write+0x113/0x1d0 drivers/tty/pty.c:122 tty_put_char+0x108/0x130 drivers/tty/tty_io.c:2880 __process_echoes+0x495/0x8a0 drivers/tty/n_tty.c:728 flush_echoes drivers/tty/n_tty.c:829 [inline] __receive_buf drivers/tty/n_tty.c:1648 [inline] n_tty_receive_buf_common+0x8ed/0x2570 drivers/tty/n_tty.c:1742 n_tty_receive_buf+0x31/0x3b drivers/tty/n_tty.c:1771 tiocsti drivers/tty/tty_io.c:2186 [inline] tty_ioctl+0xded/0x1320 drivers/tty/tty_io.c:2572 vfs_ioctl fs/ioctl.c:46 [inline] file_ioctl fs/ioctl.c:500 [inline] do_vfs_ioctl+0x7ae/0x1060 fs/ioctl.c:684 SYSC_ioctl fs/ioctl.c:701 [inline] SyS_ioctl+0x8f/0xc0 fs/ioctl.c:692 do_syscall_64+0x1e8/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x42/0xb7 RIP: 0033:0x45a919 RSP: 002b:00007f894522cc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00007f894522cc90 RCX: 000000000045a919 RDX: 0000000020000100 RSI: 0000000000005412 RDI: 0000000000000005 RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007f894522d6d4 R13: 00000000004c5a54 R14: 00000000004dbd30 R15: 0000000000000006 kobject: 'loop3' (ffff8880a40e84e0): kobject_uevent_env CPU: 1 PID: 24229 Comm: syz-executor.4 Not tainted 4.14.159-syzkaller #0 kobject: 'loop3' (ffff8880a40e84e0): fill_kobj_path: path = '/devices/virtual/block/loop3' 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+0x142/0x197 lib/dump_stack.c:58 fail_dump lib/fault-inject.c:51 [inline] should_fail.cold+0x10f/0x159 lib/fault-inject.c:149 BFS-fs: bfs_fill_super(): No BFS filesystem on loop3 (magic=00000000) should_failslab+0xdb/0x130 mm/failslab.c:32 slab_pre_alloc_hook mm/slab.h:421 [inline] slab_alloc mm/slab.c:3376 [inline] kmem_cache_alloc+0x2d7/0x780 mm/slab.c:3550 kobject: 'loop5' (ffff8880a41b6e60): kobject_uevent_env kobject: 'loop5' (ffff8880a41b6e60): fill_kobj_path: path = '/devices/virtual/block/loop5' shmem_alloc_inode+0x1c/0x50 mm/shmem.c:3884 alloc_inode+0x64/0x180 fs/inode.c:209 new_inode_pseudo+0x19/0xf0 fs/inode.c:891 new_inode+0x1f/0x40 fs/inode.c:920 shmem_get_inode+0x75/0x750 mm/shmem.c:2172 __shmem_file_setup.part.0+0x111/0x400 mm/shmem.c:4262 __shmem_file_setup mm/shmem.c:4244 [inline] shmem_file_setup mm/shmem.c:4311 [inline] shmem_file_setup mm/shmem.c:4309 [inline] SYSC_memfd_create mm/shmem.c:3764 [inline] SyS_memfd_create+0x1f9/0x3a0 mm/shmem.c:3704 do_syscall_64+0x1e8/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x42/0xb7 RIP: 0033:0x45a919 RSP: 002b:00007ff659e8da68 EFLAGS: 00000246 ORIG_RAX: 000000000000013f RAX: ffffffffffffffda RBX: 00007ff659e8dc90 RCX: 000000000045a919 RDX: 0000000020000098 RSI: 0000000000000000 RDI: 00000000004bf9b2 RBP: 000000000075bf20 R08: fe03f80fe03f80ff R09: 0000000000000001 R10: 0000000000000000 R11: 0000000000000246 R12: 00007ff659e8e6d4 R13: 00000000004caca8 R14: 00000000004e4298 R15: 0000000000000003 CPU: 0 PID: 24221 Comm: syz-executor.1 Not tainted 4.14.159-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+0x142/0x197 lib/dump_stack.c:58 fail_dump lib/fault-inject.c:51 [inline] should_fail.cold+0x10f/0x159 lib/fault-inject.c:149 should_failslab+0xdb/0x130 mm/failslab.c:32 slab_pre_alloc_hook mm/slab.h:421 [inline] slab_alloc mm/slab.c:3376 [inline] kmem_cache_alloc_trace+0x2e9/0x790 mm/slab.c:3616 kmalloc include/linux/slab.h:488 [inline] kzalloc include/linux/slab.h:661 [inline] alloc_pipe_info+0xb0/0x380 fs/pipe.c:647 splice_direct_to_actor+0x5d2/0x7b0 fs/splice.c:920 do_splice_direct+0x18d/0x230 fs/splice.c:1061 do_sendfile+0x4db/0xbd0 fs/read_write.c:1441 SYSC_sendfile64 fs/read_write.c:1502 [inline] SyS_sendfile64+0x102/0x110 fs/read_write.c:1488 do_syscall_64+0x1e8/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x42/0xb7 RIP: 0033:0x45a919 RSP: 002b:00007f7bfeea8c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000028 RAX: ffffffffffffffda RBX: 00007f7bfeea8c90 RCX: 000000000045a919 RDX: 0000000000000000 RSI: 0000000000000006 RDI: 0000000000000005 RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 R10: 000000004e68d5f8 R11: 0000000000000246 R12: 00007f7bfeea96d4 R13: 00000000004c9253 R14: 00000000004e0f50 R15: 0000000000000007 kobject: 'loop0' (ffff8880a4018360): kobject_uevent_env kobject: 'loop2' (ffff8880a40ae460): kobject_uevent_env kobject: 'loop0' (ffff8880a4018360): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop4' (ffff8880a413a560): kobject_uevent_env kobject: 'loop2' (ffff8880a40ae460): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop3' (ffff8880a40e84e0): kobject_uevent_env kobject: 'loop4' (ffff8880a413a560): kobject_uevent_env kobject: 'loop4' (ffff8880a413a560): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop4' (ffff8880a413a560): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop3' (ffff8880a40e84e0): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop5' (ffff8880a41b6e60): kobject_uevent_env BFS-fs: bfs_fill_super(): loop4 is unclean, continuing kobject: 'loop2' (ffff8880a40ae460): kobject_uevent_env kobject: 'loop2' (ffff8880a40ae460): fill_kobj_path: path = '/devices/virtual/block/loop2' BFS-fs: bfs_fill_super(): No BFS filesystem on loop2 (magic=00000000) kobject: 'loop5' (ffff8880a41b6e60): fill_kobj_path: path = '/devices/virtual/block/loop5' kauditd_printk_skb: 2 callbacks suppressed audit: type=1804 audit(1576828263.000:282): pid=24250 uid=0 auid=4294967295 ses=4294967295 subj=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 op="invalid_pcr" cause="open_writers" comm="syz-executor.1" name="/root/syzkaller-testdir299513478/syzkaller.zVTRpy/496/bus" dev="sda1" ino=16897 res=1 kobject: 'loop2' (ffff8880a40ae460): kobject_uevent_env kobject: 'loop1' (ffff8880a40743e0): kobject_uevent_env kobject: 'loop2' (ffff8880a40ae460): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop1' (ffff8880a40743e0): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop0' (ffff8880a4018360): kobject_uevent_env kobject: 'loop0' (ffff8880a4018360): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop5' (ffff8880a41b6e60): kobject_uevent_env kobject: 'loop5' (ffff8880a41b6e60): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop2' (ffff8880a40ae460): kobject_uevent_env kobject: 'loop3' (ffff8880a40e84e0): kobject_uevent_env kobject: 'loop3' (ffff8880a40e84e0): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop4' (ffff8880a413a560): kobject_uevent_env audit: type=1804 audit(1576828263.080:283): pid=24265 uid=0 auid=4294967295 ses=4294967295 subj=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 op="invalid_pcr" cause="open_writers" comm="syz-executor.5" name="/root/syzkaller-testdir394952963/syzkaller.cEr28w/533/bus" dev="sda1" ino=16932 res=1 kobject: 'loop4' (ffff8880a413a560): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop2' (ffff8880a40ae460): kobject_uevent_env kobject: 'loop2' (ffff8880a40ae460): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop2' (ffff8880a40ae460): fill_kobj_path: path = '/devices/virtual/block/loop2' BFS-fs: bfs_fill_super(): No BFS filesystem on loop2 (magic=00000000) BFS-fs: bfs_fill_super(): No BFS filesystem on loop3 (magic=00000000) kobject: 'loop2' (ffff8880a40ae460): kobject_uevent_env kobject: 'loop2' (ffff8880a40ae460): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop2' (ffff8880a40ae460): kobject_uevent_env kobject: 'loop2' (ffff8880a40ae460): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop2' (ffff8880a40ae460): kobject_uevent_env audit: type=1804 audit(1576828263.370:284): pid=24279 uid=0 auid=4294967295 ses=4294967295 subj=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 op="invalid_pcr" cause="open_writers" comm="syz-executor.5" name="/root/syzkaller-testdir394952963/syzkaller.cEr28w/534/bus" dev="sda1" ino=16900 res=1 kobject: 'loop2' (ffff8880a40ae460): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop4' (ffff8880a413a560): kobject_uevent_env kobject: 'loop4' (ffff8880a413a560): fill_kobj_path: path = '/devices/virtual/block/loop4' BFS-fs: bfs_fill_super(): loop4 is unclean, continuing BFS-fs: bfs_fill_super(): No BFS filesystem on loop2 (magic=00000000) kobject: 'loop5' (ffff8880a41b6e60): kobject_uevent_env kobject: 'loop5' (ffff8880a41b6e60): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop3' (ffff8880a40e84e0): kobject_uevent_env kobject: 'loop0' (ffff8880a4018360): kobject_uevent_env kobject: 'loop0' (ffff8880a4018360): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop4' (ffff8880a413a560): kobject_uevent_env kobject: 'loop0' (ffff8880a4018360): kobject_uevent_env kobject: 'loop4' (ffff8880a413a560): fill_kobj_path: path = '/devices/virtual/block/loop4' caif:caif_disconnect_client(): nothing to disconnect kobject: 'loop2' (ffff8880a40ae460): kobject_uevent_env kobject: 'loop0' (ffff8880a4018360): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop3' (ffff8880a40e84e0): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop2' (ffff8880a40ae460): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop4' (ffff8880a413a560): kobject_uevent_env audit: type=1804 audit(1576828263.660:285): pid=24296 uid=0 auid=4294967295 ses=4294967295 subj=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 op="invalid_pcr" cause="open_writers" comm="syz-executor.1" name="/root/syzkaller-testdir299513478/syzkaller.zVTRpy/496/bus" dev="sda1" ino=16897 res=1 caif:caif_disconnect_client(): nothing to disconnect kobject: 'loop4' (ffff8880a413a560): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop4' (ffff8880a413a560): kobject_uevent_env kobject: 'loop4' (ffff8880a413a560): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop3' (ffff8880a40e84e0): kobject_uevent_env kobject: 'loop3' (ffff8880a40e84e0): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop1' (ffff8880a40743e0): kobject_uevent_env kobject: 'loop1' (ffff8880a40743e0): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop2' (ffff8880a40ae460): kobject_uevent_env kobject: 'loop3' (ffff8880a40e84e0): kobject_uevent_env audit: type=1804 audit(1576828263.830:286): pid=24320 uid=0 auid=4294967295 ses=4294967295 subj=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 op="invalid_pcr" cause="open_writers" comm="syz-executor.1" name="/root/syzkaller-testdir299513478/syzkaller.zVTRpy/497/bus" dev="sda1" ino=16937 res=1 kobject: 'loop2' (ffff8880a40ae460): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop3' (ffff8880a40e84e0): fill_kobj_path: path = '/devices/virtual/block/loop3' BFS-fs: bfs_fill_super(): No BFS filesystem on loop3 (magic=00000000) BFS-fs: bfs_fill_super(): No BFS filesystem on loop2 (magic=00000000) kobject: 'loop4' (ffff8880a413a560): kobject_uevent_env kobject: 'loop4' (ffff8880a413a560): fill_kobj_path: path = '/devices/virtual/block/loop4' audit: type=1804 audit(1576828263.830:287): pid=24317 uid=0 auid=4294967295 ses=4294967295 subj=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 op="invalid_pcr" cause="open_writers" comm="syz-executor.5" name="/root/syzkaller-testdir394952963/syzkaller.cEr28w/535/bus" dev="sda1" ino=16936 res=1 kobject: 'loop3' (ffff8880a40e84e0): kobject_uevent_env kobject: 'loop2' (ffff8880a40ae460): kobject_uevent_env kobject: 'loop3' (ffff8880a40e84e0): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop2' (ffff8880a40ae460): fill_kobj_path: path = '/devices/virtual/block/loop2' audit: type=1804 audit(1576828264.090:288): pid=24320 uid=0 auid=4294967295 ses=4294967295 subj=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 op="invalid_pcr" cause="open_writers" comm="syz-executor.1" name="/root/syzkaller-testdir299513478/syzkaller.zVTRpy/497/bus" dev="sda1" ino=16937 res=1 kobject: 'loop2' (ffff8880a40ae460): kobject_uevent_env BFS-fs: bfs_fill_super(): No BFS filesystem on loop4 (magic=00000000) kobject: 'loop2' (ffff8880a40ae460): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop5' (ffff8880a41b6e60): kobject_uevent_env kobject: 'loop2' (ffff8880a40ae460): kobject_uevent_env kobject: 'loop4' (ffff8880a413a560): kobject_uevent_env kobject: 'loop3' (ffff8880a40e84e0): kobject_uevent_env kobject: 'loop4' (ffff8880a413a560): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop3' (ffff8880a40e84e0): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop2' (ffff8880a40ae460): fill_kobj_path: path = '/devices/virtual/block/loop2' BFS-fs: bfs_fill_super(): No BFS filesystem on loop3 (magic=00000000) kobject: 'loop5' (ffff8880a41b6e60): fill_kobj_path: path = '/devices/virtual/block/loop5' audit: type=1800 audit(1576828264.240:289): pid=24345 uid=0 auid=4294967295 ses=4294967295 subj=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 op="collect_data" cause="failed(directio)" comm="syz-executor.1" name="bus" dev="sda1" ino=16942 res=0 BFS-fs: bfs_fill_super(): No BFS filesystem on loop2 (magic=00000000) kobject: 'loop1' (ffff8880a40743e0): kobject_uevent_env audit: type=1804 audit(1576828264.260:290): pid=24344 uid=0 auid=4294967295 ses=4294967295 subj=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 op="invalid_pcr" cause="open_writers" comm="syz-executor.5" name="/root/syzkaller-testdir394952963/syzkaller.cEr28w/536/bus" dev="sda1" ino=16943 res=1 kobject: 'loop1' (ffff8880a40743e0): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop3' (ffff8880a40e84e0): kobject_uevent_env kobject: 'loop3' (ffff8880a40e84e0): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop2' (ffff8880a40ae460): kobject_uevent_env kobject: 'loop2' (ffff8880a40ae460): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop4' (ffff8880a413a560): kobject_uevent_env kobject: 'loop0' (ffff8880a4018360): kobject_uevent_env kobject: 'loop4' (ffff8880a413a560): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop3' (ffff8880a40e84e0): kobject_uevent_env kobject: 'loop3' (ffff8880a40e84e0): fill_kobj_path: path = '/devices/virtual/block/loop3' BFS-fs: bfs_fill_super(): No BFS filesystem on loop4 (magic=00000000) BFS-fs: bfs_fill_super(): No BFS filesystem on loop3 (magic=00000000) kobject: 'loop0' (ffff8880a4018360): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop5' (ffff8880a41b6e60): kobject_uevent_env kobject: 'loop5' (ffff8880a41b6e60): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop2' (ffff8880a40ae460): kobject_uevent_env kobject: 'loop2' (ffff8880a40ae460): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop0' (ffff8880a4018360): kobject_uevent_env kobject: 'loop0' (ffff8880a4018360): fill_kobj_path: path = '/devices/virtual/block/loop0' audit: type=1804 audit(1576828264.530:291): pid=24368 uid=0 auid=4294967295 ses=4294967295 subj=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 op="invalid_pcr" cause="open_writers" comm="syz-executor.5" name="/root/syzkaller-testdir394952963/syzkaller.cEr28w/537/bus" dev="sda1" ino=16941 res=1 kobject: 'loop3' (ffff8880a40e84e0): kobject_uevent_env kobject: 'loop3' (ffff8880a40e84e0): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop4' (ffff8880a413a560): kobject_uevent_env kobject: 'loop5' (ffff8880a41b6e60): kobject_uevent_env kobject: 'loop4' (ffff8880a413a560): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop3' (ffff8880a40e84e0): kobject_uevent_env kobject: 'loop2' (ffff8880a40ae460): kobject_uevent_env kobject: 'loop3' (ffff8880a40e84e0): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop5' (ffff8880a41b6e60): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop2' (ffff8880a40ae460): fill_kobj_path: path = '/devices/virtual/block/loop2' BFS-fs: bfs_fill_super(): No BFS filesystem on loop2 (magic=00000000) kobject: 'loop4' (ffff8880a413a560): kobject_uevent_env kobject: 'loop4' (ffff8880a413a560): fill_kobj_path: path = '/devices/virtual/block/loop4' BFS-fs: bfs_fill_super(): No BFS filesystem on loop3 (magic=00000000) BFS-fs: bfs_fill_super(): loop4 is unclean, continuing kobject: 'loop2' (ffff8880a40ae460): kobject_uevent_env kobject: 'loop2' (ffff8880a40ae460): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop5' (ffff8880a41b6e60): kobject_uevent_env kobject: 'loop3' (ffff8880a40e84e0): kobject_uevent_env kobject: 'loop3' (ffff8880a40e84e0): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop5' (ffff8880a41b6e60): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop2' (ffff8880a40ae460): kobject_uevent_env kobject: 'loop2' (ffff8880a40ae460): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop3' (ffff8880a40e84e0): kobject_uevent_env kobject: 'loop3' (ffff8880a40e84e0): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop2' (ffff8880a40ae460): kobject_uevent_env kobject: 'loop2' (ffff8880a40ae460): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop4' (ffff8880a413a560): kobject_uevent_env kobject: 'loop4' (ffff8880a413a560): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop1' (ffff8880a40743e0): kobject_uevent_env BFS-fs: bfs_fill_super(): No BFS filesystem on loop2 (magic=00000000) kobject: 'loop1' (ffff8880a40743e0): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop3' (ffff8880a40e84e0): kobject_uevent_env kobject: 'loop2' (ffff8880a40ae460): kobject_uevent_env kobject: 'loop2' (ffff8880a40ae460): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop4' (ffff8880a413a560): kobject_uevent_env kobject: 'loop4' (ffff8880a413a560): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop3' (ffff8880a40e84e0): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop5' (ffff8880a41b6e60): kobject_uevent_env kobject: 'loop5' (ffff8880a41b6e60): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop0' (ffff8880a4018360): kobject_uevent_env kobject: 'loop0' (ffff8880a4018360): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop2' (ffff8880a40ae460): kobject_uevent_env kobject: 'loop4' (ffff8880a413a560): kobject_uevent_env kobject: 'loop2' (ffff8880a40ae460): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop5' (ffff8880a41b6e60): kobject_uevent_env kobject: 'loop4' (ffff8880a413a560): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop5' (ffff8880a41b6e60): fill_kobj_path: path = '/devices/virtual/block/loop5' BFS-fs: bfs_fill_super(): No BFS filesystem on loop2 (magic=00000000) BFS-fs: bfs_fill_super(): No BFS filesystem on loop3 (magic=00000000) kobject: 'loop2' (ffff8880a40ae460): kobject_uevent_env kobject: 'loop2' (ffff8880a40ae460): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop2' (ffff8880a40ae460): kobject_uevent_env kobject: 'loop2' (ffff8880a40ae460): fill_kobj_path: path = '/devices/virtual/block/loop2' BFS-fs: bfs_fill_super(): No BFS filesystem on loop2 (magic=00000000) kobject: 'loop2' (ffff8880a40ae460): kobject_uevent_env kobject: 'loop3' (ffff8880a40e84e0): kobject_uevent_env kobject: 'loop2' (ffff8880a40ae460): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop2' (ffff8880a40ae460): kobject_uevent_env kobject: 'loop2' (ffff8880a40ae460): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop3' (ffff8880a40e84e0): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop5' (ffff8880a41b6e60): kobject_uevent_env kobject: 'loop2' (ffff8880a40ae460): kobject_uevent_env kobject: 'loop5' (ffff8880a41b6e60): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop2' (ffff8880a40ae460): fill_kobj_path: path = '/devices/virtual/block/loop2' BFS-fs: bfs_fill_super(): No BFS filesystem on loop2 (magic=00000000) kobject: 'loop4' (ffff8880a413a560): kobject_uevent_env kobject: 'loop4' (ffff8880a413a560): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop4' (ffff8880a413a560): kobject_uevent_env kobject: 'loop4' (ffff8880a413a560): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop1' (ffff8880a40743e0): kobject_uevent_env kobject: 'loop1' (ffff8880a40743e0): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop2' (ffff8880a40ae460): kobject_uevent_env kobject: 'bridge4' (ffff888056299930): kobject_add_internal: parent: 'net', set: 'devices' kobject: 'loop2' (ffff8880a40ae460): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'bridge4' (ffff888056299930): kobject_uevent_env kobject: 'loop3' (ffff8880a40e84e0): kobject_uevent_env BFS-fs: bfs_fill_super(): loop4 is unclean, continuing kobject: 'loop3' (ffff8880a40e84e0): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'bridge4' (ffff888056299930): fill_kobj_path: path = '/devices/virtual/net/bridge4' kobject: 'loop3' (ffff8880a40e84e0): kobject_uevent_env kobject: 'loop3' (ffff8880a40e84e0): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop5' (ffff8880a41b6e60): kobject_uevent_env kobject: 'loop5' (ffff8880a41b6e60): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop2' (ffff8880a40ae460): kobject_uevent_env kobject: 'loop2' (ffff8880a40ae460): fill_kobj_path: path = '/devices/virtual/block/loop2' BFS-fs: bfs_fill_super(): No BFS filesystem on loop2 (magic=00000000) kobject: 'queues' (ffff88809ff5fe48): kobject_add_internal: parent: 'bridge4', set: '' kobject: 'loop0' (ffff8880a4018360): kobject_uevent_env BFS-fs: bfs_fill_super(): No BFS filesystem on loop3 (magic=00000000) kobject: 'queues' (ffff88809ff5fe48): kobject_uevent_env kobject: 'loop4' (ffff8880a413a560): kobject_uevent_env kobject: 'queues' (ffff88809ff5fe48): kobject_uevent_env: filter function caused the event to drop! kobject: 'loop2' (ffff8880a40ae460): kobject_uevent_env kobject: 'rx-0' (ffff88807ef413d0): kobject_add_internal: parent: 'queues', set: 'queues' kobject: 'loop0' (ffff8880a4018360): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop2' (ffff8880a40ae460): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop5' (ffff8880a41b6e60): kobject_uevent_env kobject: 'loop3' (ffff8880a40e84e0): kobject_uevent_env kobject: 'loop4' (ffff8880a413a560): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop3' (ffff8880a40e84e0): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'rx-0' (ffff88807ef413d0): kobject_uevent_env kobject: 'loop5' (ffff8880a41b6e60): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop4' (ffff8880a413a560): kobject_uevent_env kobject: 'loop4' (ffff8880a413a560): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop2' (ffff8880a40ae460): kobject_uevent_env kobject: 'loop2' (ffff8880a40ae460): fill_kobj_path: path = '/devices/virtual/block/loop2' BFS-fs: bfs_fill_super(): No BFS filesystem on loop2 (magic=00000000) kobject: 'loop4' (ffff8880a413a560): kobject_uevent_env kobject: 'rx-0' (ffff88807ef413d0): fill_kobj_path: path = '/devices/virtual/net/bridge4/queues/rx-0' kobject: 'loop4' (ffff8880a413a560): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'tx-0' (ffff888091a61cd8): kobject_add_internal: parent: 'queues', set: 'queues' kobject: 'loop2' (ffff8880a40ae460): kobject_uevent_env kobject: 'tx-0' (ffff888091a61cd8): kobject_uevent_env kobject: 'loop5' (ffff8880a41b6e60): kobject_uevent_env kobject: 'tx-0' (ffff888091a61cd8): fill_kobj_path: path = '/devices/virtual/net/bridge4/queues/tx-0' kobject: 'loop2' (ffff8880a40ae460): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop5' (ffff8880a41b6e60): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'brif' (ffff88807ed2b280): kobject_add_internal: parent: 'bridge4', set: '' kobject: 'loop3' (ffff8880a40e84e0): kobject_uevent_env kobject: 'loop3' (ffff8880a40e84e0): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'batman_adv' (ffff88809932fe80): kobject_add_internal: parent: 'bridge4', set: '' BFS-fs: bfs_fill_super(): No BFS filesystem on loop3 (magic=00000000) device bridge4 entered promiscuous mode device bridge_slave_0 left promiscuous mode bridge3: port 1(bridge_slave_0) entered disabled state BFS-fs: bfs_fill_super(): loop4 is unclean, continuing kobject: 'loop2' (ffff8880a40ae460): kobject_uevent_env kobject: 'loop2' (ffff8880a40ae460): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop2' (ffff8880a40ae460): kobject_uevent_env kobject: 'loop3' (ffff8880a40e84e0): kobject_uevent_env kobject: 'loop4' (ffff8880a413a560): kobject_uevent_env kobject: 'loop4' (ffff8880a413a560): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop5' (ffff8880a41b6e60): kobject_uevent_env kobject: 'loop3' (ffff8880a40e84e0): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'brport' (ffff88808a33c5d0): kobject_uevent_env kobject: 'loop2' (ffff8880a40ae460): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'brport' (ffff88808a33c5d0): kobject_uevent_env: filter function caused the event to drop! kobject: 'loop5' (ffff8880a41b6e60): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop3' (ffff8880a40e84e0): kobject_uevent_env bridge4: port 1(bridge_slave_0) entered blocking state kobject: 'loop3' (ffff8880a40e84e0): fill_kobj_path: path = '/devices/virtual/block/loop3' bridge4: port 1(bridge_slave_0) entered disabled state kobject: 'brport' (ffff888091394150): kobject_add_internal: parent: 'bridge_slave_0', set: '' device bridge_slave_0 entered promiscuous mode bridge4: port 1(bridge_slave_0) entered blocking state bridge4: port 1(bridge_slave_0) entered forwarding state kobject: 'brport' (ffff88808a33c5d0): kobject_cleanup, parent (null) kobject: 'brport' (ffff88808a33c5d0): calling ktype release kobject: 'brport': free name BFS-fs: bfs_fill_super(): No BFS filesystem on loop2 (magic=00000000) kobject: 'loop5' (ffff8880a41b6e60): kobject_uevent_env kobject: 'brport' (ffff888091394150): kobject_uevent_env kobject: 'brport' (ffff888091394150): kobject_uevent_env: filter function caused the event to drop! kobject: 'loop5' (ffff8880a41b6e60): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop4' (ffff8880a413a560): kobject_uevent_env kobject: 'loop4' (ffff8880a413a560): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop1' (ffff8880a40743e0): kobject_uevent_env kobject: 'loop1' (ffff8880a40743e0): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop2' (ffff8880a40ae460): kobject_uevent_env kobject: 'loop2' (ffff8880a40ae460): fill_kobj_path: path = '/devices/virtual/block/loop2' BFS-fs: bfs_fill_super(): loop4 is unclean, continuing kobject: 'loop3' (ffff8880a40e84e0): kobject_uevent_env kobject: 'loop3' (ffff8880a40e84e0): fill_kobj_path: path = '/devices/virtual/block/loop3' BFS-fs: bfs_fill_super(): No BFS filesystem on loop3 (magic=00000000) kobject: 'loop2' (ffff8880a40ae460): kobject_uevent_env kobject: 'loop2' (ffff8880a40ae460): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop0' (ffff8880a4018360): kobject_uevent_env kobject: 'loop0' (ffff8880a4018360): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop4' (ffff8880a413a560): kobject_uevent_env kobject: 'loop0' (ffff8880a4018360): kobject_uevent_env kobject: 'loop4' (ffff8880a413a560): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop0' (ffff8880a4018360): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop3' (ffff8880a40e84e0): kobject_uevent_env kobject: 'loop5' (ffff8880a41b6e60): kobject_uevent_env kobject: 'loop3' (ffff8880a40e84e0): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop5' (ffff8880a41b6e60): fill_kobj_path: path = '/devices/virtual/block/loop5' BFS-fs: bfs_fill_super(): No BFS filesystem on loop2 (magic=00000000) kobject: 'loop4' (ffff8880a413a560): kobject_uevent_env kobject: 'loop4' (ffff8880a413a560): fill_kobj_path: path = '/devices/virtual/block/loop4' BFS-fs: bfs_fill_super(): loop4 is unclean, continuing BFS-fs: bfs_fill_super(): Inode 0x00000002 corrupted kobject: 'loop3' (ffff8880a40e84e0): kobject_uevent_env kobject: 'loop3' (ffff8880a40e84e0): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop4' (ffff8880a413a560): kobject_uevent_env kobject: 'loop5' (ffff8880a41b6e60): kobject_uevent_env kobject: 'loop2' (ffff8880a40ae460): kobject_uevent_env BFS-fs: bfs_fill_super(): No BFS filesystem on loop3 (magic=00000000) kobject: 'loop5' (ffff8880a41b6e60): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop4' (ffff8880a413a560): fill_kobj_path: path = '/devices/virtual/block/loop4' kauditd_printk_skb: 21 callbacks suppressed audit: type=1804 audit(1576828268.070:313): pid=24594 uid=0 auid=4294967295 ses=4294967295 subj=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 op="invalid_pcr" cause="open_writers" comm="syz-executor.5" name="/root/syzkaller-testdir394952963/syzkaller.cEr28w/549/bus" dev="sda1" ino=16900 res=1 kobject: 'loop2' (ffff8880a40ae460): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop3' (ffff8880a40e84e0): kobject_uevent_env kobject: 'loop3' (ffff8880a40e84e0): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop4' (ffff8880a413a560): kobject_uevent_env kobject: 'loop4' (ffff8880a413a560): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop2' (ffff8880a40ae460): kobject_uevent_env kobject: 'loop2' (ffff8880a40ae460): kobject_uevent_env audit: type=1804 audit(1576828268.130:314): pid=24582 uid=0 auid=4294967295 ses=4294967295 subj=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 op="invalid_pcr" cause="open_writers" comm="syz-executor.1" name="/root/syzkaller-testdir299513478/syzkaller.zVTRpy/503/bus" dev="sda1" ino=16946 res=1 kobject: 'loop2' (ffff8880a40ae460): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop2' (ffff8880a40ae460): fill_kobj_path: path = '/devices/virtual/block/loop2' QAT: Invalid ioctl kobject: 'loop3' (ffff8880a40e84e0): kobject_uevent_env BFS-fs: bfs_fill_super(): loop4 is unclean, continuing kobject: 'loop3' (ffff8880a40e84e0): kobject_uevent_env kobject: 'loop3' (ffff8880a40e84e0): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop3' (ffff8880a40e84e0): fill_kobj_path: path = '/devices/virtual/block/loop3' audit: type=1804 audit(1576828268.330:315): pid=24610 uid=0 auid=4294967295 ses=4294967295 subj=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 op="invalid_pcr" cause="open_writers" comm="syz-executor.5" name="/root/syzkaller-testdir394952963/syzkaller.cEr28w/550/bus" dev="sda1" ino=16942 res=1 BFS-fs: bfs_fill_super(): No BFS filesystem on loop3 (magic=00000000) kobject: 'loop1' (ffff8880a40743e0): kobject_uevent_env kobject: 'loop1' (ffff8880a40743e0): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop5' (ffff8880a41b6e60): kobject_uevent_env kobject: 'loop5' (ffff8880a41b6e60): fill_kobj_path: path = '/devices/virtual/block/loop5' BFS-fs: bfs_fill_super(): No BFS filesystem on loop2 (magic=00000000) kobject: 'loop4' (ffff8880a413a560): kobject_uevent_env kobject: 'loop3' (ffff8880a40e84e0): kobject_uevent_env kobject: 'loop3' (ffff8880a40e84e0): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop4' (ffff8880a413a560): fill_kobj_path: path = '/devices/virtual/block/loop4' audit: type=1804 audit(1576828268.490:316): pid=24613 uid=0 auid=4294967295 ses=4294967295 subj=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 op="invalid_pcr" cause="open_writers" comm="syz-executor.1" name="/root/syzkaller-testdir299513478/syzkaller.zVTRpy/504/bus" dev="sda1" ino=16851 res=1 kobject: 'loop2' (ffff8880a40ae460): kobject_uevent_env kobject: 'loop0' (ffff8880a4018360): kobject_uevent_env kobject: 'loop2' (ffff8880a40ae460): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop0' (ffff8880a4018360): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop4' (ffff8880a413a560): kobject_uevent_env audit: type=1804 audit(1576828268.650:317): pid=24622 uid=0 auid=4294967295 ses=4294967295 subj=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 op="invalid_pcr" cause="open_writers" comm="syz-executor.5" name="/root/syzkaller-testdir394952963/syzkaller.cEr28w/551/bus" dev="sda1" ino=16931 res=1 kobject: 'loop4' (ffff8880a413a560): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop3' (ffff8880a40e84e0): kobject_uevent_env kobject: 'loop3' (ffff8880a40e84e0): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop0' (ffff8880a4018360): kobject_uevent_env kobject: 'loop0' (ffff8880a4018360): fill_kobj_path: path = '/devices/virtual/block/loop0' BFS-fs: bfs_fill_super(): No BFS filesystem on loop3 (magic=00000000) kobject: 'loop5' (ffff8880a41b6e60): kobject_uevent_env kobject: 'loop4' (ffff8880a413a560): kobject_uevent_env kobject: 'loop5' (ffff8880a41b6e60): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop2' (ffff8880a40ae460): kobject_uevent_env kobject: 'loop4' (ffff8880a413a560): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop2' (ffff8880a40ae460): fill_kobj_path: path = '/devices/virtual/block/loop2' BFS-fs: bfs_fill_super(): loop4 is unclean, continuing BFS-fs: bfs_fill_super(): No BFS filesystem on loop2 (magic=00000000) kobject: 'loop3' (ffff8880a40e84e0): kobject_uevent_env audit: type=1804 audit(1576828268.960:318): pid=24649 uid=0 auid=4294967295 ses=4294967295 subj=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 op="invalid_pcr" cause="open_writers" comm="syz-executor.5" name="/root/syzkaller-testdir394952963/syzkaller.cEr28w/552/bus" dev="sda1" ino=16946 res=1 kobject: 'loop3' (ffff8880a40e84e0): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop3' (ffff8880a40e84e0): kobject_uevent_env kobject: 'loop3' (ffff8880a40e84e0): fill_kobj_path: path = '/devices/virtual/block/loop3' BFS-fs: bfs_fill_super(): No BFS filesystem on loop3 (magic=00000000) kobject: 'loop2' (ffff8880a40ae460): kobject_uevent_env kobject: 'loop4' (ffff8880a413a560): kobject_uevent_env kobject: 'loop4' (ffff8880a413a560): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop0' (ffff8880a4018360): kobject_uevent_env kobject: 'loop0' (ffff8880a4018360): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop3' (ffff8880a40e84e0): kobject_uevent_env kobject: 'loop2' (ffff8880a40ae460): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop5' (ffff8880a41b6e60): kobject_uevent_env kobject: 'loop5' (ffff8880a41b6e60): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop3' (ffff8880a40e84e0): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop1' (ffff8880a40743e0): kobject_uevent_env kobject: 'loop4' (ffff8880a413a560): kobject_uevent_env audit: type=1804 audit(1576828269.270:319): pid=24666 uid=0 auid=4294967295 ses=4294967295 subj=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 op="invalid_pcr" cause="open_writers" comm="syz-executor.5" name="/root/syzkaller-testdir394952963/syzkaller.cEr28w/553/bus" dev="sda1" ino=16933 res=1 kobject: 'loop4' (ffff8880a413a560): fill_kobj_path: path = '/devices/virtual/block/loop4' BFS-fs: bfs_fill_super(): loop4 is unclean, continuing audit: type=1804 audit(1576828269.370:320): pid=24675 uid=0 auid=4294967295 ses=4294967295 subj=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 op="invalid_pcr" cause="open_writers" comm="syz-executor.1" name="/root/syzkaller-testdir299513478/syzkaller.zVTRpy/505/bus" dev="sda1" ino=16936 res=1 kobject: 'loop1' (ffff8880a40743e0): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop3' (ffff8880a40e84e0): kobject_uevent_env kobject: 'loop3' (ffff8880a40e84e0): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop4' (ffff8880a413a560): kobject_uevent_env BFS-fs: bfs_fill_super(): No BFS filesystem on loop3 (magic=00000000) kobject: 'loop5' (ffff8880a41b6e60): kobject_uevent_env kobject: 'loop5' (ffff8880a41b6e60): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop4' (ffff8880a413a560): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop3' (ffff8880a40e84e0): kobject_uevent_env kobject: 'loop3' (ffff8880a40e84e0): fill_kobj_path: path = '/devices/virtual/block/loop3' audit: type=1804 audit(1576828269.600:321): pid=24686 uid=0 auid=4294967295 ses=4294967295 subj=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 op="invalid_pcr" cause="open_writers" comm="syz-executor.5" name="/root/syzkaller-testdir394952963/syzkaller.cEr28w/554/bus" dev="sda1" ino=16851 res=1 kobject: 'loop3' (ffff8880a40e84e0): kobject_uevent_env kobject: 'loop3' (ffff8880a40e84e0): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop3' (ffff8880a40e84e0): kobject_uevent_env kobject: 'loop3' (ffff8880a40e84e0): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop3' (ffff8880a40e84e0): kobject_uevent_env kobject: 'loop3' (ffff8880a40e84e0): fill_kobj_path: path = '/devices/virtual/block/loop3' audit: type=1804 audit(1576828269.660:322): pid=24692 uid=0 auid=4294967295 ses=4294967295 subj=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 op="invalid_pcr" cause="open_writers" comm="syz-executor.2" name="/root/syzkaller-testdir121050379/syzkaller.U5Bh8G/627/bus" dev="sda1" ino=16901 res=1 BFS-fs: bfs_fill_super(): No BFS filesystem on loop3 (magic=00000000) kobject: 'loop4' (ffff8880a413a560): kobject_uevent_env kobject: 'loop5' (ffff8880a41b6e60): kobject_uevent_env kobject: 'loop4' (ffff8880a413a560): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop5' (ffff8880a41b6e60): fill_kobj_path: path = '/devices/virtual/block/loop5' BFS-fs: bfs_fill_super(): loop4 is unclean, continuing kobject: 'loop3' (ffff8880a40e84e0): kobject_uevent_env kobject: 'loop3' (ffff8880a40e84e0): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop4' (ffff8880a413a560): kobject_uevent_env kobject: 'loop4' (ffff8880a413a560): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop4' (ffff8880a413a560): kobject_uevent_env kobject: 'loop3' (ffff8880a40e84e0): kobject_uevent_env kobject: 'loop4' (ffff8880a413a560): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop3' (ffff8880a40e84e0): fill_kobj_path: path = '/devices/virtual/block/loop3' BFS-fs: bfs_fill_super(): loop4 is unclean, continuing kobject: 'loop4' (ffff8880a413a560): kobject_uevent_env kobject: 'loop0' (ffff8880a4018360): kobject_uevent_env kobject: 'loop4' (ffff8880a413a560): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop0' (ffff8880a4018360): fill_kobj_path: path = '/devices/virtual/block/loop0' BFS-fs: bfs_fill_super(): No BFS filesystem on loop3 (magic=00000000) kobject: 'loop3' (ffff8880a40e84e0): kobject_uevent_env kobject: 'loop5' (ffff8880a41b6e60): kobject_uevent_env kobject: 'loop3' (ffff8880a40e84e0): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop5' (ffff8880a41b6e60): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop1' (ffff8880a40743e0): kobject_uevent_env kobject: 'loop1' (ffff8880a40743e0): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop3' (ffff8880a40e84e0): kobject_uevent_env kobject: 'loop3' (ffff8880a40e84e0): kobject_uevent_env kobject: 'loop4' (ffff8880a413a560): kobject_uevent_env kobject: 'loop3' (ffff8880a40e84e0): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop4' (ffff8880a413a560): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop3' (ffff8880a40e84e0): fill_kobj_path: path = '/devices/virtual/block/loop3' BFS-fs: bfs_fill_super(): No BFS filesystem on loop3 (magic=00000000) BFS-fs: bfs_fill_super(): loop4 is unclean, continuing kobject: 'loop4' (ffff8880a413a560): kobject_uevent_env kobject: 'loop4' (ffff8880a413a560): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop3' (ffff8880a40e84e0): kobject_uevent_env kobject: 'loop3' (ffff8880a40e84e0): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop3' (ffff8880a40e84e0): kobject_uevent_env kobject: 'loop3' (ffff8880a40e84e0): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop2' (ffff8880a40ae460): kobject_uevent_env kobject: 'loop2' (ffff8880a40ae460): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop4' (ffff8880a413a560): kobject_uevent_env kobject: 'loop4' (ffff8880a413a560): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'veth2' (ffff88803eb02970): kobject_add_internal: parent: 'net', set: 'devices' kobject: 'veth2' (ffff88803eb02970): kobject_uevent_env kobject: 'veth2' (ffff88803eb02970): fill_kobj_path: path = '/devices/virtual/net/veth2' kobject: 'queues' (ffff8880a060f048): kobject_add_internal: parent: 'veth2', set: '' kobject: 'queues' (ffff8880a060f048): kobject_uevent_env kobject: 'queues' (ffff8880a060f048): kobject_uevent_env: filter function caused the event to drop! kobject: 'rx-0' (ffff8880a0a6ec10): kobject_add_internal: parent: 'queues', set: 'queues' kobject: 'rx-0' (ffff8880a0a6ec10): kobject_uevent_env kobject: 'rx-0' (ffff8880a0a6ec10): fill_kobj_path: path = '/devices/virtual/net/veth2/queues/rx-0' kobject: 'tx-0' (ffff888095ac82d8): kobject_add_internal: parent: 'queues', set: 'queues' kobject: 'tx-0' (ffff888095ac82d8): kobject_uevent_env kobject: 'tx-0' (ffff888095ac82d8): fill_kobj_path: path = '/devices/virtual/net/veth2/queues/tx-0' kobject: 'batman_adv' (ffff888098e3cf80): kobject_add_internal: parent: 'veth2', set: '' kobject: 'loop5' (ffff8880a41b6e60): kobject_uevent_env kobject: 'veth3' (ffff88803f912670): kobject_add_internal: parent: 'net', set: 'devices' kobject: 'loop5' (ffff8880a41b6e60): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop3' (ffff8880a40e84e0): kobject_uevent_env kobject: 'veth3' (ffff88803f912670): kobject_uevent_env kobject: 'loop4' (ffff8880a413a560): kobject_uevent_env kobject: 'loop4' (ffff8880a413a560): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'veth3' (ffff88803f912670): fill_kobj_path: path = '/devices/virtual/net/veth3' BFS-fs: bfs_fill_super(): loop4 is unclean, continuing kobject: 'loop1' (ffff8880a40743e0): kobject_uevent_env kobject: 'queues' (ffff8880a5e14f48): kobject_add_internal: parent: 'veth3', set: '' BFS-fs: bfs_fill_super(): Inode 0x00000002 corrupted kobject: 'queues' (ffff8880a5e14f48): kobject_uevent_env kobject: 'loop1' (ffff8880a40743e0): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'queues' (ffff8880a5e14f48): kobject_uevent_env: filter function caused the event to drop! kobject: 'loop4' (ffff8880a413a560): kobject_uevent_env kobject: 'loop4' (ffff8880a413a560): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop3' (ffff8880a40e84e0): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'rx-0' (ffff88808342da90): kobject_add_internal: parent: 'queues', set: 'queues' BFS-fs: bfs_fill_super(): No BFS filesystem on loop3 (magic=00000000) kobject: 'rx-0' (ffff88808342da90): kobject_uevent_env kobject: 'loop4' (ffff8880a413a560): kobject_uevent_env kobject: 'loop4' (ffff8880a413a560): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'rx-0' (ffff88808342da90): fill_kobj_path: path = '/devices/virtual/net/veth3/queues/rx-0' kobject: 'loop1' (ffff8880a40743e0): kobject_uevent_env kobject: 'loop1' (ffff8880a40743e0): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop3' (ffff8880a40e84e0): kobject_uevent_env BFS-fs: bfs_fill_super(): loop4 is unclean, continuing kobject: 'loop3' (ffff8880a40e84e0): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'tx-0' (ffff88807d860cd8): kobject_add_internal: parent: 'queues', set: 'queues' BFS-fs: bfs_fill_super(): Inode 0x00000005 corrupted kobject: 'loop5' (ffff8880a41b6e60): kobject_uevent_env kobject: 'tx-0' (ffff88807d860cd8): kobject_uevent_env kobject: 'loop5' (ffff8880a41b6e60): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'tx-0' (ffff88807d860cd8): fill_kobj_path: path = '/devices/virtual/net/veth3/queues/tx-0' kobject: 'loop4' (ffff8880a413a560): kobject_uevent_env kobject: 'loop4' (ffff8880a413a560): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop1' (ffff8880a40743e0): kobject_uevent_env kobject: 'batman_adv' (ffff88809260e180): kobject_add_internal: parent: 'veth3', set: '' kobject: 'loop1' (ffff8880a40743e0): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop4' (ffff8880a413a560): kobject_uevent_env kobject: 'loop4' (ffff8880a413a560): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop2' (ffff8880a40ae460): kobject_uevent_env kobject: 'loop2' (ffff8880a40ae460): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop0' (ffff8880a4018360): kobject_uevent_env kobject: 'loop0' (ffff8880a4018360): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop3' (ffff8880a40e84e0): kobject_uevent_env kobject: 'loop3' (ffff8880a40e84e0): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'veth4' (ffff88803e720ef0): kobject_add_internal: parent: 'net', set: 'devices' BFS-fs: bfs_fill_super(): No BFS filesystem on loop3 (magic=00000000) kobject: 'loop5' (ffff8880a41b6e60): kobject_uevent_env kobject: 'loop5' (ffff8880a41b6e60): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'veth4' (ffff88803e720ef0): kobject_uevent_env