R10: 0000000000000000 R11: 0000000000000246 R12: 00007efcf05d26d4 R13: 00000000004cbaa2 R14: 00000000004e5618 R15: 0000000000000006 CPU: 0 PID: 11818 Comm: syz-executor.1 Not tainted 4.14.160-syzkaller #0 ====================================================== WARNING: possible circular locking dependency detected 4.14.160-syzkaller #0 Not tainted ------------------------------------------------------ syz-executor.4/11821 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 n_tty_write+0x953/0xf20 drivers/tty/n_tty.c:2356 do_tty_write drivers/tty/tty_io.c:959 [inline] tty_write+0x3f6/0x700 drivers/tty/tty_io.c:1043 __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 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 *** 5 locks held by syz-executor.4/11821: #0: (&tty->ldisc_sem){++++}, at: [] ldsem_down_read+0x33/0x40 drivers/tty/tty_ldsem.c:376 #1: (&tty->atomic_write_lock){+.+.}, at: [] tty_write_lock+0x20/0x60 drivers/tty/tty_io.c:885 #2: (&tty->termios_rwsem){++++}, at: [] n_tty_write+0x179/0xf20 drivers/tty/n_tty.c:2316 #3: (&ldata->output_lock){+.+.}, at: [] n_tty_write+0x914/0xf20 drivers/tty/n_tty.c:2355 #4: (&(&port->lock)->rlock){-.-.}, at: [] pty_write+0xe0/0x1d0 drivers/tty/pty.c:120 stack backtrace: CPU: 1 PID: 11821 Comm: syz-executor.4 Not tainted 4.14.160-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 n_tty_write+0x953/0xf20 drivers/tty/n_tty.c:2356 do_tty_write drivers/tty/tty_io.c:959 [inline] tty_write+0x3f6/0x700 drivers/tty/tty_io.c:1043 __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 RIP: 0033:0x45a919 RSP: 002b:00007efcf05d1c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 RAX: ffffffffffffffda RBX: 00007efcf05d1c90 RCX: 000000000045a919 RDX: 000000010000015a RSI: 0000000020000180 RDI: 0000000000000005 RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007efcf05d26d4 R13: 00000000004cbaa2 R14: 00000000004e5618 R15: 0000000000000006 kobject: 'loop4' (ffff8880a40f75e0): kobject_uevent_env Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 kobject: 'loop4' (ffff8880a40f75e0): fill_kobj_path: path = '/devices/virtual/block/loop4' 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] binder_get_thread drivers/android/binder.c:4248 [inline] binder_get_thread+0x1b8/0x750 drivers/android/binder.c:4239 audit: type=1804 audit(1576940406.223:340): pid=11841 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.4" name="/root/syzkaller-testdir644157022/syzkaller.XbFq0A/193/bus" dev="sda1" ino=17102 res=1 binder_ioctl+0x18f/0xfcc drivers/android/binder.c:4546 audit: type=1804 audit(1576940406.283:341): pid=11842 uid=0 auid=4294967295 ses=4294967295 subj=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 op="invalid_pcr" cause="ToMToU" comm="syz-executor.4" name="/root/syzkaller-testdir644157022/syzkaller.XbFq0A/193/bus" dev="sda1" ino=17102 res=1 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 audit: type=1804 audit(1576940406.293:342): pid=11842 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.4" name="/root/syzkaller-testdir644157022/syzkaller.XbFq0A/193/bus" dev="sda1" ino=17102 res=1 do_syscall_64+0x1e8/0x640 arch/x86/entry/common.c:292 kobject: 'loop4' (ffff8880a40f75e0): kobject_uevent_env entry_SYSCALL_64_after_hwframe+0x42/0xb7 kobject: 'loop4' (ffff8880a40f75e0): fill_kobj_path: path = '/devices/virtual/block/loop4' RIP: 0033:0x45a919 RSP: 002b:00007fb5122edc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00007fb5122edc90 RCX: 000000000045a919 RDX: 0000000020000440 RSI: 00000000c0306201 RDI: 0000000000000003 RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007fb5122ee6d4 R13: 00000000004c2162 R14: 00000000004d7278 R15: 0000000000000004 binder: 11814:11818 ioctl c0306201 20000440 returned -12 kobject: 'loop2' (ffff8880a40674e0): kobject_uevent_env FAULT_INJECTION: forcing a failure. name failslab, interval 1, probability 0, space 0, times 0 kobject: 'loop2' (ffff8880a40674e0): fill_kobj_path: path = '/devices/virtual/block/loop2' VFS: Can't find a Minix filesystem V1 | V2 | V3 on device loop4. kobject: 'loop0' (ffff8880a47f62e0): kobject_uevent_env CPU: 0 PID: 11851 Comm: syz-executor.5 Not tainted 4.14.160-syzkaller #0 audit: type=1804 audit(1576940406.643:343): pid=11866 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-testdir204839461/syzkaller.FU18jE/220/bus" dev="sda1" ino=16929 res=1 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 audit: type=1804 audit(1576940406.653:344): pid=11866 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-testdir204839461/syzkaller.FU18jE/220/bus" dev="sda1" ino=16929 res=1 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] kmalloc_array include/linux/slab.h:606 [inline] kcalloc include/linux/slab.h:618 [inline] rxrpc_alloc_call+0x90/0x950 net/rxrpc/call_object.c:108 rxrpc_alloc_client_call net/rxrpc/call_object.c:172 [inline] rxrpc_new_client_call+0x19e/0x1420 net/rxrpc/call_object.c:223 rxrpc_new_client_call_for_sendmsg net/rxrpc/sendmsg.c:525 [inline] rxrpc_do_sendmsg+0x92a/0x1109 net/rxrpc/sendmsg.c:577 kobject: 'loop0' (ffff8880a47f62e0): fill_kobj_path: path = '/devices/virtual/block/loop0' rxrpc_sendmsg+0x4d1/0x610 net/rxrpc/af_rxrpc.c:543 kobject: 'loop3' (ffff8880a40bd560): kobject_uevent_env sock_sendmsg_nosec net/socket.c:646 [inline] sock_sendmsg+0xce/0x110 net/socket.c:656 ___sys_sendmsg+0x349/0x840 net/socket.c:2062 kobject: 'loop3' (ffff8880a40bd560): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop1' (ffff8880a4038be0): kobject_uevent_env __sys_sendmmsg+0x152/0x3a0 net/socket.c:2152 kobject: 'loop1' (ffff8880a4038be0): fill_kobj_path: path = '/devices/virtual/block/loop1' SYSC_sendmmsg net/socket.c:2183 [inline] SyS_sendmmsg+0x35/0x60 net/socket.c:2178 do_syscall_64+0x1e8/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x42/0xb7 RIP: 0033:0x45a919 RSP: 002b:00007f6c49588c78 EFLAGS: 00000246 kobject: 'loop5' (ffff8880a414c520): kobject_uevent_env ORIG_RAX: 0000000000000133 RAX: ffffffffffffffda RBX: 00007f6c49588c90 RCX: 000000000045a919 RDX: 040000000000037b RSI: 0000000020005c00 RDI: 0000000000000004 RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 R10: 000000000000c000 R11: 0000000000000246 R12: 00007f6c495896d4 R13: 00000000004c925c R14: 00000000004e0f68 R15: 0000000000000007 caif:caif_disconnect_client(): nothing to disconnect kobject: 'loop5' (ffff8880a414c520): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop3' (ffff8880a40bd560): kobject_uevent_env kobject: 'loop3' (ffff8880a40bd560): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop1' (ffff8880a4038be0): kobject_uevent_env kobject: 'loop1' (ffff8880a4038be0): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop3' (ffff8880a40bd560): kobject_uevent_env kobject: 'loop3' (ffff8880a40bd560): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop4' (ffff8880a40f75e0): kobject_uevent_env kobject: 'loop1' (ffff8880a4038be0): kobject_uevent_env kobject: 'loop1' (ffff8880a4038be0): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop4' (ffff8880a40f75e0): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop3' (ffff8880a40bd560): kobject_uevent_env caif:caif_disconnect_client(): nothing to disconnect kobject: 'loop3' (ffff8880a40bd560): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop4' (ffff8880a40f75e0): kobject_uevent_env kobject: 'loop1' (ffff8880a4038be0): kobject_uevent_env kobject: 'loop4' (ffff8880a40f75e0): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop1' (ffff8880a4038be0): fill_kobj_path: path = '/devices/virtual/block/loop1' VFS: Can't find a Minix filesystem V1 | V2 | V3 on device loop4. kobject: 'loop3' (ffff8880a40bd560): kobject_uevent_env kobject: 'loop3' (ffff8880a40bd560): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop0' (ffff8880a47f62e0): kobject_uevent_env kobject: 'loop0' (ffff8880a47f62e0): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop5' (ffff8880a414c520): kobject_uevent_env kobject: 'loop5' (ffff8880a414c520): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop4' (ffff8880a40f75e0): kobject_uevent_env kobject: 'loop4' (ffff8880a40f75e0): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop4' (ffff8880a40f75e0): kobject_uevent_env kobject: 'loop4' (ffff8880a40f75e0): fill_kobj_path: path = '/devices/virtual/block/loop4' FAULT_INJECTION: forcing a failure. name failslab, interval 1, probability 0, space 0, times 0 kobject: 'loop0' (ffff8880a47f62e0): kobject_uevent_env kobject: 'loop0' (ffff8880a47f62e0): fill_kobj_path: path = '/devices/virtual/block/loop0' CPU: 0 PID: 11885 Comm: syz-executor.5 Not tainted 4.14.160-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] kmalloc_array include/linux/slab.h:606 [inline] kcalloc include/linux/slab.h:618 [inline] rxrpc_alloc_call+0xf4/0x950 net/rxrpc/call_object.c:114 rxrpc_alloc_client_call net/rxrpc/call_object.c:172 [inline] rxrpc_new_client_call+0x19e/0x1420 net/rxrpc/call_object.c:223 rxrpc_new_client_call_for_sendmsg net/rxrpc/sendmsg.c:525 [inline] rxrpc_do_sendmsg+0x92a/0x1109 net/rxrpc/sendmsg.c:577 rxrpc_sendmsg+0x4d1/0x610 net/rxrpc/af_rxrpc.c:543 sock_sendmsg_nosec net/socket.c:646 [inline] sock_sendmsg+0xce/0x110 net/socket.c:656 ___sys_sendmsg+0x349/0x840 net/socket.c:2062 __sys_sendmmsg+0x152/0x3a0 net/socket.c:2152 kobject: 'loop1' (ffff8880a4038be0): kobject_uevent_env SYSC_sendmmsg net/socket.c:2183 [inline] SyS_sendmmsg+0x35/0x60 net/socket.c:2178 do_syscall_64+0x1e8/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x42/0xb7 kobject: 'loop1' (ffff8880a4038be0): fill_kobj_path: path = '/devices/virtual/block/loop1' RIP: 0033:0x45a919 RSP: 002b:00007f6c49588c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000133 RAX: ffffffffffffffda RBX: 00007f6c49588c90 RCX: 000000000045a919 RDX: 040000000000037b RSI: 0000000020005c00 RDI: 0000000000000004 RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 R10: 000000000000c000 R11: 0000000000000246 R12: 00007f6c495896d4 R13: 00000000004c925c R14: 00000000004e0f68 R15: 0000000000000007 kobject: 'loop0' (ffff8880a47f62e0): kobject_uevent_env kobject: 'loop0' (ffff8880a47f62e0): fill_kobj_path: path = '/devices/virtual/block/loop0' FAULT_INJECTION: forcing a failure. name failslab, interval 1, probability 0, space 0, times 0 CPU: 1 PID: 11927 Comm: syz-executor.5 Not tainted 4.14.160-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_node mm/slab.c:3297 [inline] kmem_cache_alloc_node+0x287/0x780 mm/slab.c:3640 __alloc_skb+0x9c/0x500 net/core/skbuff.c:193 alloc_skb include/linux/skbuff.h:980 [inline] alloc_skb_with_frags+0x86/0x4b0 net/core/skbuff.c:5228 sock_alloc_send_pskb+0x5db/0x740 net/core/sock.c:2078 sock_alloc_send_skb+0x32/0x40 net/core/sock.c:2095 rxrpc_send_data+0x15da/0x29c0 net/rxrpc/sendmsg.c:280 kobject: 'loop5' (ffff8880a414c520): kobject_uevent_env kobject: 'loop5' (ffff8880a414c520): fill_kobj_path: path = '/devices/virtual/block/loop5' rxrpc_do_sendmsg+0xa39/0x1109 net/rxrpc/sendmsg.c:636 kobject: 'loop0' (ffff8880a47f62e0): kobject_uevent_env rxrpc_sendmsg+0x4d1/0x610 net/rxrpc/af_rxrpc.c:543 kobject: 'loop0' (ffff8880a47f62e0): fill_kobj_path: path = '/devices/virtual/block/loop0' sock_sendmsg_nosec net/socket.c:646 [inline] sock_sendmsg+0xce/0x110 net/socket.c:656 ___sys_sendmsg+0x349/0x840 net/socket.c:2062 kobject: 'loop3' (ffff8880a40bd560): kobject_uevent_env kobject: 'loop3' (ffff8880a40bd560): fill_kobj_path: path = '/devices/virtual/block/loop3' __sys_sendmmsg+0x152/0x3a0 net/socket.c:2152 kobject: 'loop4' (ffff8880a40f75e0): kobject_uevent_env kobject: 'loop4' (ffff8880a40f75e0): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop0' (ffff8880a47f62e0): kobject_uevent_env SYSC_sendmmsg net/socket.c:2183 [inline] SyS_sendmmsg+0x35/0x60 net/socket.c:2178 kobject: 'loop0' (ffff8880a47f62e0): fill_kobj_path: path = '/devices/virtual/block/loop0' do_syscall_64+0x1e8/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x42/0xb7 RIP: 0033:0x45a919 RSP: 002b:00007f6c49588c78 EFLAGS: 00000246 kobject: 'loop1' (ffff8880a4038be0): kobject_uevent_env ORIG_RAX: 0000000000000133 RAX: ffffffffffffffda RBX: 00007f6c49588c90 RCX: 000000000045a919 RDX: 040000000000037b RSI: 0000000020005c00 RDI: 0000000000000004 RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 R10: 000000000000c000 R11: 0000000000000246 R12: 00007f6c495896d4 R13: 00000000004c925c R14: 00000000004e0f68 R15: 0000000000000007 kobject: 'loop1' (ffff8880a4038be0): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop3' (ffff8880a40bd560): kobject_uevent_env kobject: 'loop3' (ffff8880a40bd560): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop2' (ffff8880a40674e0): kobject_uevent_env kobject: 'loop2' (ffff8880a40674e0): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop4' (ffff8880a40f75e0): kobject_uevent_env kauditd_printk_skb: 13 callbacks suppressed audit: type=1804 audit(1576940408.543:358): pid=11964 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-testdir204839461/syzkaller.FU18jE/226/bus" dev="sda1" ino=17101 res=1 kobject: 'loop4' (ffff8880a40f75e0): fill_kobj_path: path = '/devices/virtual/block/loop4' FAULT_INJECTION: forcing a failure. name failslab, interval 1, probability 0, space 0, times 0 audit: type=1804 audit(1576940408.653:359): pid=11976 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.4" name="/root/syzkaller-testdir644157022/syzkaller.XbFq0A/196/bus" dev="sda1" ino=17100 res=1 kobject: 'loop3' (ffff8880a40bd560): kobject_uevent_env CPU: 0 PID: 11953 Comm: syz-executor.5 Not tainted 4.14.160-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 kobject: 'loop3' (ffff8880a40bd560): fill_kobj_path: path = '/devices/virtual/block/loop3' slab_pre_alloc_hook mm/slab.h:421 [inline] slab_alloc_node mm/slab.c:3297 [inline] kmem_cache_alloc_node_trace+0x280/0x770 mm/slab.c:3659 __do_kmalloc_node mm/slab.c:3681 [inline] __kmalloc_node_track_caller+0x3d/0x80 mm/slab.c:3696 __kmalloc_reserve.isra.0+0x40/0xe0 net/core/skbuff.c:137 __alloc_skb+0xcf/0x500 net/core/skbuff.c:205 alloc_skb include/linux/skbuff.h:980 [inline] alloc_skb_with_frags+0x86/0x4b0 net/core/skbuff.c:5228 sock_alloc_send_pskb+0x5db/0x740 net/core/sock.c:2078 sock_alloc_send_skb+0x32/0x40 net/core/sock.c:2095 rxrpc_send_data+0x15da/0x29c0 net/rxrpc/sendmsg.c:280 rxrpc_do_sendmsg+0xa39/0x1109 net/rxrpc/sendmsg.c:636 rxrpc_sendmsg+0x4d1/0x610 net/rxrpc/af_rxrpc.c:543 sock_sendmsg_nosec net/socket.c:646 [inline] sock_sendmsg+0xce/0x110 net/socket.c:656 ___sys_sendmsg+0x349/0x840 net/socket.c:2062 __sys_sendmmsg+0x152/0x3a0 net/socket.c:2152 SYSC_sendmmsg net/socket.c:2183 [inline] SyS_sendmmsg+0x35/0x60 net/socket.c:2178 do_syscall_64+0x1e8/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x42/0xb7 RIP: 0033:0x45a919 RSP: 002b:00007f6c49588c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000133 kobject: 'loop0' (ffff8880a47f62e0): kobject_uevent_env RAX: ffffffffffffffda RBX: 00007f6c49588c90 RCX: 000000000045a919 RDX: 040000000000037b RSI: 0000000020005c00 RDI: 0000000000000004 kobject: 'loop0' (ffff8880a47f62e0): fill_kobj_path: path = '/devices/virtual/block/loop0' RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 R10: 000000000000c000 R11: 0000000000000246 R12: 00007f6c495896d4 R13: 00000000004c925c R14: 00000000004e0f68 R15: 0000000000000007 kobject: 'loop1' (ffff8880a4038be0): kobject_uevent_env kobject: 'loop1' (ffff8880a4038be0): fill_kobj_path: path = '/devices/virtual/block/loop1' audit: type=1804 audit(1576940409.063:360): pid=11971 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.4" name="/root/syzkaller-testdir644157022/syzkaller.XbFq0A/196/bus" dev="sda1" ino=17100 res=1 kobject: 'loop5' (ffff8880a414c520): kobject_uevent_env kobject: 'loop5' (ffff8880a414c520): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop4' (ffff8880a40f75e0): kobject_uevent_env kobject: 'loop4' (ffff8880a40f75e0): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop2' (ffff8880a40674e0): kobject_uevent_env kobject: 'loop2' (ffff8880a40674e0): fill_kobj_path: path = '/devices/virtual/block/loop2' audit: type=1400 audit(1576940409.323:361): avc: denied { map } for pid=11991 comm="syz-executor.4" path="/dev/ashmem" dev="devtmpfs" ino=17266 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=system_u:object_r:device_t:s0 tclass=chr_file permissive=1 kobject: 'loop3' (ffff8880a40bd560): kobject_uevent_env kobject: 'loop3' (ffff8880a40bd560): fill_kobj_path: path = '/devices/virtual/block/loop3' audit: type=1804 audit(1576940409.473:362): pid=12013 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-testdir559515468/syzkaller.3kI3eA/230/bus" dev="sda1" ino=17120 res=1 kobject: 'loop1' (ffff8880a4038be0): kobject_uevent_env binder: 12017:12020 ioctl c0306201 20000440 returned -14 kobject: 'loop1' (ffff8880a4038be0): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop5' (ffff8880a414c520): kobject_uevent_env kobject: 'loop5' (ffff8880a414c520): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop1' (ffff8880a4038be0): kobject_uevent_env audit: type=1804 audit(1576940409.553:363): pid=12021 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-testdir559515468/syzkaller.3kI3eA/230/bus" dev="sda1" ino=17120 res=1 kobject: 'loop1' (ffff8880a4038be0): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop1' (ffff8880a4038be0): kobject_uevent_env kobject: 'loop1' (ffff8880a4038be0): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop5' (ffff8880a414c520): kobject_uevent_env kobject: 'loop5' (ffff8880a414c520): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop0' (ffff8880a47f62e0): kobject_uevent_env kobject: 'loop0' (ffff8880a47f62e0): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop4' (ffff8880a40f75e0): kobject_uevent_env kobject: 'loop4' (ffff8880a40f75e0): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop2' (ffff8880a40674e0): kobject_uevent_env audit: type=1804 audit(1576940410.133:364): pid=12038 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-testdir204839461/syzkaller.FU18jE/230/bus" dev="sda1" ino=17127 res=1 kobject: 'loop2' (ffff8880a40674e0): fill_kobj_path: path = '/devices/virtual/block/loop2' audit: type=1804 audit(1576940410.163:365): pid=12038 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-testdir204839461/syzkaller.FU18jE/230/bus" dev="sda1" ino=17127 res=1 audit: type=1804 audit(1576940410.193:366): pid=12043 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.4" name="/root/syzkaller-testdir644157022/syzkaller.XbFq0A/198/bus" dev="sda1" ino=17136 res=1 kobject: 'loop1' (ffff8880a4038be0): kobject_uevent_env audit: type=1804 audit(1576940410.193:367): pid=12043 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.4" name="/root/syzkaller-testdir644157022/syzkaller.XbFq0A/198/bus" dev="sda1" ino=17136 res=1 kobject: 'loop1' (ffff8880a4038be0): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop3' (ffff8880a40bd560): kobject_uevent_env kobject: 'loop3' (ffff8880a40bd560): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop5' (ffff8880a414c520): kobject_uevent_env kobject: 'loop5' (ffff8880a414c520): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop4' (ffff8880a40f75e0): kobject_uevent_env kobject: 'loop4' (ffff8880a40f75e0): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop5' (ffff8880a414c520): kobject_uevent_env kobject: 'loop5' (ffff8880a414c520): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop1' (ffff8880a4038be0): kobject_uevent_env kobject: 'loop1' (ffff8880a4038be0): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop3' (ffff8880a40bd560): kobject_uevent_env kobject: 'loop3' (ffff8880a40bd560): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop5' (ffff8880a414c520): kobject_uevent_env kobject: 'loop5' (ffff8880a414c520): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop4' (ffff8880a40f75e0): kobject_uevent_env kobject: 'loop4' (ffff8880a40f75e0): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop0' (ffff8880a47f62e0): kobject_uevent_env kobject: 'loop0' (ffff8880a47f62e0): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop2' (ffff8880a40674e0): kobject_uevent_env kobject: 'loop2' (ffff8880a40674e0): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop3' (ffff8880a40bd560): kobject_uevent_env kobject: 'loop3' (ffff8880a40bd560): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop0' (ffff8880a47f62e0): kobject_uevent_env kobject: 'loop0' (ffff8880a47f62e0): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop5' (ffff8880a414c520): kobject_uevent_env kobject: 'loop5' (ffff8880a414c520): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop1' (ffff8880a4038be0): kobject_uevent_env kobject: 'loop1' (ffff8880a4038be0): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop2' (ffff8880a40674e0): kobject_uevent_env kobject: 'loop2' (ffff8880a40674e0): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop0' (ffff8880a47f62e0): kobject_uevent_env kobject: 'loop0' (ffff8880a47f62e0): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop1' (ffff8880a4038be0): kobject_uevent_env kobject: 'loop1' (ffff8880a4038be0): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop5' (ffff8880a414c520): kobject_uevent_env kobject: 'loop5' (ffff8880a414c520): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop3' (ffff8880a40bd560): kobject_uevent_env kobject: 'loop3' (ffff8880a40bd560): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop2' (ffff8880a40674e0): kobject_uevent_env kobject: 'loop2' (ffff8880a40674e0): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop4' (ffff8880a40f75e0): kobject_uevent_env kobject: 'loop4' (ffff8880a40f75e0): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop3' (ffff8880a40bd560): kobject_uevent_env kobject: 'loop3' (ffff8880a40bd560): fill_kobj_path: path = '/devices/virtual/block/loop3' binder: 12151:12154 ioctl c0306201 20000000 returned -14 kobject: 'loop2' (ffff8880a40674e0): kobject_uevent_env binder: 12151:12154 ioctl c0306201 20000000 returned -14 kobject: 'loop2' (ffff8880a40674e0): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop0' (ffff8880a47f62e0): kobject_uevent_env kobject: 'loop0' (ffff8880a47f62e0): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop1' (ffff8880a4038be0): kobject_uevent_env kobject: 'loop1' (ffff8880a4038be0): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop3' (ffff8880a40bd560): kobject_uevent_env kobject: 'loop3' (ffff8880a40bd560): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop2' (ffff8880a40674e0): kobject_uevent_env kobject: 'loop2' (ffff8880a40674e0): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop3' (ffff8880a40bd560): kobject_uevent_env kobject: 'loop3' (ffff8880a40bd560): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop1' (ffff8880a4038be0): kobject_uevent_env kobject: 'loop1' (ffff8880a4038be0): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop4' (ffff8880a40f75e0): kobject_uevent_env kobject: 'veth6' (ffff888052f9b230): kobject_add_internal: parent: 'net', set: 'devices' kobject: 'loop4' (ffff8880a40f75e0): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'veth6' (ffff888052f9b230): kobject_uevent_env kobject: 'loop3' (ffff8880a40bd560): kobject_uevent_env kobject: 'veth6' (ffff888052f9b230): fill_kobj_path: path = '/devices/virtual/net/veth6' kobject: 'loop3' (ffff8880a40bd560): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'queues' (ffff888085732b48): kobject_add_internal: parent: 'veth6', set: '' kobject: 'loop0' (ffff8880a47f62e0): kobject_uevent_env kobject: 'queues' (ffff888085732b48): kobject_uevent_env kobject: 'loop0' (ffff8880a47f62e0): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'queues' (ffff888085732b48): kobject_uevent_env: filter function caused the event to drop! kobject: 'loop2' (ffff8880a40674e0): kobject_uevent_env kobject: 'rx-0' (ffff88809786b310): kobject_add_internal: parent: 'queues', set: 'queues' kobject: 'loop2' (ffff8880a40674e0): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'rx-0' (ffff88809786b310): kobject_uevent_env kobject: 'rx-0' (ffff88809786b310): fill_kobj_path: path = '/devices/virtual/net/veth6/queues/rx-0' kobject: 'tx-0' (ffff88809b04d318): kobject_add_internal: parent: 'queues', set: 'queues' kobject: 'tx-0' (ffff88809b04d318): kobject_uevent_env kobject: 'tx-0' (ffff88809b04d318): fill_kobj_path: path = '/devices/virtual/net/veth6/queues/tx-0' kobject: 'batman_adv' (ffff8880970ac600): kobject_add_internal: parent: 'veth6', set: '' kobject: 'veth7' (ffff888052ff92f0): kobject_add_internal: parent: 'net', set: 'devices' kobject: 'veth7' (ffff888052ff92f0): kobject_uevent_env kobject: 'veth7' (ffff888052ff92f0): fill_kobj_path: path = '/devices/virtual/net/veth7' kobject: 'queues' (ffff888085732948): kobject_add_internal: parent: 'veth7', set: '' kobject: 'queues' (ffff888085732948): kobject_uevent_env kobject: 'queues' (ffff888085732948): kobject_uevent_env: filter function caused the event to drop! kobject: 'rx-0' (ffff88809786b250): kobject_add_internal: parent: 'queues', set: 'queues' kobject: 'loop0' (ffff8880a47f62e0): kobject_uevent_env kobject: 'loop0' (ffff8880a47f62e0): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'rx-0' (ffff88809786b250): kobject_uevent_env kobject: 'rx-0' (ffff88809786b250): fill_kobj_path: path = '/devices/virtual/net/veth7/queues/rx-0' kobject: 'tx-0' (ffff88809b04d598): kobject_add_internal: parent: 'queues', set: 'queues' kobject: 'tx-0' (ffff88809b04d598): kobject_uevent_env kobject: 'tx-0' (ffff88809b04d598): fill_kobj_path: path = '/devices/virtual/net/veth7/queues/tx-0' kobject: 'batman_adv' (ffff88809fe7f200): kobject_add_internal: parent: 'veth7', set: '' kobject: 'loop1' (ffff8880a4038be0): kobject_uevent_env kobject: 'loop1' (ffff8880a4038be0): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop5' (ffff8880a414c520): kobject_uevent_env kobject: 'loop5' (ffff8880a414c520): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop2' (ffff8880a40674e0): kobject_uevent_env kobject: 'loop2' (ffff8880a40674e0): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop3' (ffff8880a40bd560): kobject_uevent_env kobject: 'loop3' (ffff8880a40bd560): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop0' (ffff8880a47f62e0): kobject_uevent_env kobject: 'loop0' (ffff8880a47f62e0): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop1' (ffff8880a4038be0): kobject_uevent_env kobject: 'loop1' (ffff8880a4038be0): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop0' (ffff8880a47f62e0): kobject_uevent_env kobject: 'loop0' (ffff8880a47f62e0): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop5' (ffff8880a414c520): kobject_uevent_env kobject: 'loop5' (ffff8880a414c520): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop1' (ffff8880a4038be0): kobject_uevent_env kobject: 'loop1' (ffff8880a4038be0): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop0' (ffff8880a47f62e0): kobject_uevent_env kobject: 'loop0' (ffff8880a47f62e0): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop2' (ffff8880a40674e0): kobject_uevent_env kobject: 'loop2' (ffff8880a40674e0): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop0' (ffff8880a47f62e0): kobject_uevent_env kobject: 'loop0' (ffff8880a47f62e0): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop2' (ffff8880a40674e0): kobject_uevent_env kobject: 'loop2' (ffff8880a40674e0): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop3' (ffff8880a40bd560): kobject_uevent_env kobject: 'loop3' (ffff8880a40bd560): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop3' (ffff8880a40bd560): kobject_uevent_env kobject: 'loop3' (ffff8880a40bd560): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop2' (ffff8880a40674e0): kobject_uevent_env kobject: 'loop2' (ffff8880a40674e0): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop1' (ffff8880a4038be0): kobject_uevent_env kobject: 'loop1' (ffff8880a4038be0): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop3' (ffff8880a40bd560): kobject_uevent_env kobject: 'loop3' (ffff8880a40bd560): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop2' (ffff8880a40674e0): kobject_uevent_env kobject: 'loop2' (ffff8880a40674e0): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop1' (ffff8880a4038be0): kobject_uevent_env kobject: 'loop1' (ffff8880a4038be0): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop3' (ffff8880a40bd560): kobject_uevent_env kobject: 'loop3' (ffff8880a40bd560): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop2' (ffff8880a40674e0): kobject_uevent_env kobject: 'loop2' (ffff8880a40674e0): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop3' (ffff8880a40bd560): kobject_uevent_env kobject: 'loop3' (ffff8880a40bd560): fill_kobj_path: path = '/devices/virtual/block/loop3' kauditd_printk_skb: 101 callbacks suppressed audit: type=1804 audit(1576940413.563:469): pid=12339 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.4" name="/root/syzkaller-testdir644157022/syzkaller.XbFq0A/204/bus" dev="sda1" ino=17152 res=1 kobject: 'loop0' (ffff8880a47f62e0): kobject_uevent_env kobject: 'loop0' (ffff8880a47f62e0): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop2' (ffff8880a40674e0): kobject_uevent_env kobject: 'loop2' (ffff8880a40674e0): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop5' (ffff8880a414c520): kobject_uevent_env kobject: 'loop5' (ffff8880a414c520): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop3' (ffff8880a40bd560): kobject_uevent_env audit: type=1804 audit(1576940413.613:470): pid=12339 uid=0 auid=4294967295 ses=4294967295 subj=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 op="invalid_pcr" cause="ToMToU" comm="syz-executor.4" name="/root/syzkaller-testdir644157022/syzkaller.XbFq0A/204/bus" dev="sda1" ino=17152 res=1 kobject: 'loop3' (ffff8880a40bd560): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop2' (ffff8880a40674e0): kobject_uevent_env kobject: 'loop2' (ffff8880a40674e0): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop0' (ffff8880a47f62e0): kobject_uevent_env kobject: 'loop0' (ffff8880a47f62e0): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop2' (ffff8880a40674e0): kobject_uevent_env kobject: 'loop2' (ffff8880a40674e0): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop0' (ffff8880a47f62e0): kobject_uevent_env audit: type=1804 audit(1576940413.783:471): pid=12361 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-testdir204839461/syzkaller.FU18jE/248/bus" dev="sda1" ino=17164 res=1 kobject: 'loop0' (ffff8880a47f62e0): fill_kobj_path: path = '/devices/virtual/block/loop0' caif:caif_disconnect_client(): nothing to disconnect audit: type=1804 audit(1576940413.813:472): pid=12361 uid=0 auid=4294967295 ses=4294967295 subj=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 op="invalid_pcr" cause="ToMToU" comm="syz-executor.1" name="/root/syzkaller-testdir204839461/syzkaller.FU18jE/248/bus" dev="sda1" ino=17164 res=1 kobject: 'loop3' (ffff8880a40bd560): kobject_uevent_env caif:caif_disconnect_client(): nothing to disconnect audit: type=1804 audit(1576940413.813:473): pid=12361 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-testdir204839461/syzkaller.FU18jE/248/bus" dev="sda1" ino=17164 res=1 kobject: 'loop3' (ffff8880a40bd560): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop2' (ffff8880a40674e0): kobject_uevent_env audit: type=1804 audit(1576940413.883:474): pid=12361 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-testdir204839461/syzkaller.FU18jE/248/bus" dev="sda1" ino=17164 res=1 kobject: 'loop2' (ffff8880a40674e0): fill_kobj_path: path = '/devices/virtual/block/loop2' audit: type=1804 audit(1576940413.883:475): pid=12369 uid=0 auid=4294967295 ses=4294967295 subj=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 op="invalid_pcr" cause="ToMToU" comm="syz-executor.1" name="/root/syzkaller-testdir204839461/syzkaller.FU18jE/248/bus" dev="sda1" ino=17164 res=1 kobject: 'loop0' (ffff8880a47f62e0): kobject_uevent_env kobject: 'loop0' (ffff8880a47f62e0): fill_kobj_path: path = '/devices/virtual/block/loop0' audit: type=1804 audit(1576940413.883:476): pid=12361 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-testdir204839461/syzkaller.FU18jE/248/bus" dev="sda1" ino=17164 res=1 kobject: 'loop3' (ffff8880a40bd560): kobject_uevent_env kobject: 'loop3' (ffff8880a40bd560): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop4' (ffff8880a40f75e0): kobject_uevent_env kobject: 'loop4' (ffff8880a40f75e0): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop5' (ffff8880a414c520): kobject_uevent_env kobject: 'loop5' (ffff8880a414c520): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop2' (ffff8880a40674e0): kobject_uevent_env kobject: 'loop2' (ffff8880a40674e0): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop3' (ffff8880a40bd560): kobject_uevent_env kobject: 'loop3' (ffff8880a40bd560): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop2' (ffff8880a40674e0): kobject_uevent_env kobject: 'loop2' (ffff8880a40674e0): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop3' (ffff8880a40bd560): kobject_uevent_env kobject: 'loop3' (ffff8880a40bd560): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop4' (ffff8880a40f75e0): kobject_uevent_env kobject: 'loop4' (ffff8880a40f75e0): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop2' (ffff8880a40674e0): kobject_uevent_env kobject: 'loop2' (ffff8880a40674e0): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop3' (ffff8880a40bd560): kobject_uevent_env kobject: 'loop3' (ffff8880a40bd560): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop2' (ffff8880a40674e0): kobject_uevent_env kobject: 'loop2' (ffff8880a40674e0): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop5' (ffff8880a414c520): kobject_uevent_env kobject: 'loop5' (ffff8880a414c520): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop1' (ffff8880a4038be0): kobject_uevent_env kobject: 'loop1' (ffff8880a4038be0): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop3' (ffff8880a40bd560): kobject_uevent_env kobject: 'loop3' (ffff8880a40bd560): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop4' (ffff8880a40f75e0): kobject_uevent_env nla_parse: 4 callbacks suppressed netlink: 12 bytes leftover after parsing attributes in process `syz-executor.3'. audit: type=1804 audit(1576940414.483:477): pid=12407 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.4" name="/root/syzkaller-testdir644157022/syzkaller.XbFq0A/207/bus" dev="sda1" ino=17168 res=1 kobject: 'loop4' (ffff8880a40f75e0): fill_kobj_path: path = '/devices/virtual/block/loop4' selinux_nlmsg_perm: 263 callbacks suppressed SELinux: unrecognized netlink message: protocol=0 nlmsg_type=0 sclass=netlink_route_socket pig=12405 comm=syz-executor.3 kobject: 'veth8' (ffff8880558df130): kobject_add_internal: parent: 'net', set: 'devices' SELinux: unrecognized netlink message: protocol=0 nlmsg_type=0 sclass=netlink_route_socket pig=12405 comm=syz-executor.3 audit: type=1804 audit(1576940414.483:478): pid=12407 uid=0 auid=4294967295 ses=4294967295 subj=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 op="invalid_pcr" cause="ToMToU" comm="syz-executor.4" name="/root/syzkaller-testdir644157022/syzkaller.XbFq0A/207/bus" dev="sda1" ino=17168 res=1 kobject: 'veth8' (ffff8880558df130): kobject_uevent_env kobject: 'loop2' (ffff8880a40674e0): kobject_uevent_env SELinux: unrecognized netlink message: protocol=0 nlmsg_type=0 sclass=netlink_route_socket pig=12405 comm=syz-executor.3 kobject: 'loop2' (ffff8880a40674e0): fill_kobj_path: path = '/devices/virtual/block/loop2' SELinux: unrecognized netlink message: protocol=0 nlmsg_type=0 sclass=netlink_route_socket pig=12405 comm=syz-executor.3 kobject: 'veth8' (ffff8880558df130): fill_kobj_path: path = '/devices/virtual/net/veth8' kobject: 'nullb0' (ffff8880a3fd5220): kobject_uevent_env kobject: 'nullb0' (ffff8880a3fd5220): fill_kobj_path: path = '/devices/virtual/block/nullb0' SELinux: unrecognized netlink message: protocol=0 nlmsg_type=0 sclass=netlink_route_socket pig=12405 comm=syz-executor.3 kobject: 'queues' (ffff888085a6d148): kobject_add_internal: parent: 'veth8', set: '' SELinux: unrecognized netlink message: protocol=0 nlmsg_type=0 sclass=netlink_route_socket pig=12405 comm=syz-executor.3 kobject: 'loop4' (ffff8880a40f75e0): kobject_uevent_env SELinux: unrecognized netlink message: protocol=0 nlmsg_type=0 sclass=netlink_route_socket pig=12405 comm=syz-executor.3 kobject: 'queues' (ffff888085a6d148): kobject_uevent_env kobject: 'loop4' (ffff8880a40f75e0): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'queues' (ffff888085a6d148): kobject_uevent_env: filter function caused the event to drop! SELinux: unrecognized netlink message: protocol=0 nlmsg_type=0 sclass=netlink_route_socket pig=12405 comm=syz-executor.3 kobject: 'loop3' (ffff8880a40bd560): kobject_uevent_env kobject: 'rx-0' (ffff888091532cd0): kobject_add_internal: parent: 'queues', set: 'queues' SELinux: unrecognized netlink message: protocol=0 nlmsg_type=0 sclass=netlink_route_socket pig=12405 comm=syz-executor.3 kobject: 'loop3' (ffff8880a40bd560): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'rx-0' (ffff888091532cd0): kobject_uevent_env SELinux: unrecognized netlink message: protocol=0 nlmsg_type=0 sclass=netlink_route_socket pig=12405 comm=syz-executor.3 kobject: 'rx-0' (ffff888091532cd0): fill_kobj_path: path = '/devices/virtual/net/veth8/queues/rx-0' kobject: 'nullb0' (ffff8880a3fd5220): kobject_uevent_env kobject: 'nullb0' (ffff8880a3fd5220): fill_kobj_path: path = '/devices/virtual/block/nullb0' kobject: 'tx-0' (ffff8880a0135318): kobject_add_internal: parent: 'queues', set: 'queues' kobject: 'loop3' (ffff8880a40bd560): kobject_uevent_env kobject: 'tx-0' (ffff8880a0135318): kobject_uevent_env kobject: 'loop3' (ffff8880a40bd560): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'tx-0' (ffff8880a0135318): fill_kobj_path: path = '/devices/virtual/net/veth8/queues/tx-0' kobject: 'loop2' (ffff8880a40674e0): kobject_uevent_env kobject: 'batman_adv' (ffff888096e16600): kobject_add_internal: parent: 'veth8', set: '' kobject: 'loop2' (ffff8880a40674e0): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'veth9' (ffff8880950970b0): kobject_add_internal: parent: 'net', set: 'devices' kobject: 'loop3' (ffff8880a40bd560): kobject_uevent_env kobject: 'loop3' (ffff8880a40bd560): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'veth9' (ffff8880950970b0): kobject_uevent_env kobject: 'loop1' (ffff8880a4038be0): kobject_uevent_env kobject: 'loop1' (ffff8880a4038be0): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'veth9' (ffff8880950970b0): fill_kobj_path: path = '/devices/virtual/net/veth9' kobject: 'loop2' (ffff8880a40674e0): kobject_uevent_env kobject: 'loop2' (ffff8880a40674e0): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'queues' (ffff888093143d48): kobject_add_internal: parent: 'veth9', set: '' kobject: 'loop3' (ffff8880a40bd560): kobject_uevent_env kobject: 'queues' (ffff888093143d48): kobject_uevent_env kobject: 'loop3' (ffff8880a40bd560): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'queues' (ffff888093143d48): kobject_uevent_env: filter function caused the event to drop! kobject: 'loop1' (ffff8880a4038be0): kobject_uevent_env kobject: 'loop1' (ffff8880a4038be0): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'rx-0' (ffff888091532b50): kobject_add_internal: parent: 'queues', set: 'queues' kobject: 'loop4' (ffff8880a40f75e0): kobject_uevent_env kobject: 'loop4' (ffff8880a40f75e0): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'rx-0' (ffff888091532b50): kobject_uevent_env kobject: 'loop1' (ffff8880a4038be0): kobject_uevent_env kobject: 'loop1' (ffff8880a4038be0): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'rx-0' (ffff888091532b50): fill_kobj_path: path = '/devices/virtual/net/veth9/queues/rx-0' kobject: 'loop3' (ffff8880a40bd560): kobject_uevent_env kobject: 'loop3' (ffff8880a40bd560): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop2' (ffff8880a40674e0): kobject_uevent_env kobject: 'tx-0' (ffff8880a0135818): kobject_add_internal: parent: 'queues', set: 'queues' kobject: 'loop2' (ffff8880a40674e0): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop2' (ffff8880a40674e0): kobject_uevent_env kobject: 'tx-0' (ffff8880a0135818): kobject_uevent_env kobject: 'loop2' (ffff8880a40674e0): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'tx-0' (ffff8880a0135818): fill_kobj_path: path = '/devices/virtual/net/veth9/queues/tx-0' kobject: 'loop0' (ffff8880a47f62e0): kobject_uevent_env kobject: 'loop0' (ffff8880a47f62e0): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'batman_adv' (ffff888096e16d80): kobject_add_internal: parent: 'veth9', set: '' kobject: 'loop2' (ffff8880a40674e0): kobject_uevent_env kobject: 'loop2' (ffff8880a40674e0): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop3' (ffff8880a40bd560): kobject_uevent_env kobject: 'veth10' (ffff888092e4e8f0): kobject_add_internal: parent: 'net', set: 'devices' kobject: 'veth10' (ffff888092e4e8f0): kobject_uevent_env kobject: 'loop3' (ffff8880a40bd560): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'veth10' (ffff888092e4e8f0): fill_kobj_path: path = '/devices/virtual/net/veth10' kobject: 'loop0' (ffff8880a47f62e0): kobject_uevent_env kobject: 'queues' (ffff8880a0277a48): kobject_add_internal: parent: 'veth10', set: '' kobject: 'loop0' (ffff8880a47f62e0): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'queues' (ffff8880a0277a48): kobject_uevent_env kobject: 'queues' (ffff8880a0277a48): kobject_uevent_env: filter function caused the event to drop! kobject: 'loop5' (ffff8880a414c520): kobject_uevent_env kobject: 'rx-0' (ffff8880911e4790): kobject_add_internal: parent: 'queues', set: 'queues' kobject: 'loop5' (ffff8880a414c520): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'rx-0' (ffff8880911e4790): kobject_uevent_env kobject: 'rx-0' (ffff8880911e4790): fill_kobj_path: path = '/devices/virtual/net/veth10/queues/rx-0' kobject: 'tx-0' (ffff88805b15cd58): kobject_add_internal: parent: 'queues', set: 'queues' kobject: 'tx-0' (ffff88805b15cd58): kobject_uevent_env kobject: 'tx-0' (ffff88805b15cd58): fill_kobj_path: path = '/devices/virtual/net/veth10/queues/tx-0' kobject: 'batman_adv' (ffff888097d5f680): kobject_add_internal: parent: 'veth10', set: '' kobject: 'veth11' (ffff8880593328b0): kobject_add_internal: parent: 'net', set: 'devices' kobject: 'veth11' (ffff8880593328b0): kobject_uevent_env kobject: 'veth11' (ffff8880593328b0): fill_kobj_path: path = '/devices/virtual/net/veth11' kobject: 'queues' (ffff8880a0660848): kobject_add_internal: parent: 'veth11', set: '' kobject: 'queues' (ffff8880a0660848): kobject_uevent_env kobject: 'queues' (ffff8880a0660848): kobject_uevent_env: filter function caused the event to drop! kobject: 'rx-0' (ffff888095300310): kobject_add_internal: parent: 'queues', set: 'queues'