R13: 00000000004cb8fd R14: 00000000004e5290 R15: 0000000000000007 ====================================================== WARNING: possible circular locking dependency detected 4.14.158-syzkaller #0 Not tainted ------------------------------------------------------ syz-executor.1/23154 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/0xee0 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 process_output_block drivers/tty/n_tty.c:595 [inline] n_tty_write+0x38b/0xee0 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 __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.1/23154: #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: (&o_tty->termios_rwsem/1){++++}, at: [] n_tty_write+0x179/0xee0 drivers/tty/n_tty.c:2316 #3: (&ldata->output_lock){+.+.}, at: [] process_output_block drivers/tty/n_tty.c:550 [inline] #3: (&ldata->output_lock){+.+.}, at: [] n_tty_write+0x48a/0xee0 drivers/tty/n_tty.c:2333 #4: (&(&port->lock)->rlock){-.-.}, at: [] pty_write+0xe0/0x1d0 drivers/tty/pty.c:120 stack backtrace: CPU: 1 PID: 23154 Comm: syz-executor.1 Not tainted 4.14.158-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 process_output_block drivers/tty/n_tty.c:595 [inline] n_tty_write+0x38b/0xee0 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 __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:00007f55b126ac78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 RAX: ffffffffffffffda RBX: 00007f55b126ac90 RCX: 000000000045a919 RDX: 00000000ffffffde RSI: 00000000200001c0 RDI: 0000000000000003 RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007f55b126b6d4 R13: 00000000004cb8fd R14: 00000000004e5290 R15: 0000000000000007 kobject: 'loop5' (ffff8880a41fc5a0): fill_kobj_path: path = '/devices/virtual/block/loop5' FAULT_INJECTION: forcing a failure. name failslab, interval 1, probability 0, space 0, times 0 FAULT_INJECTION: forcing a failure. name failslab, interval 1, probability 0, space 0, times 0 CPU: 1 PID: 23161 Comm: syz-executor.5 Not tainted 4.14.158-syzkaller #0 FAULT_INJECTION: forcing a failure. name failslab, interval 1, probability 0, space 0, times 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+0x2d7/0x780 mm/slab.c:3550 kobject: 'loop2' (ffff8880a4130ce0): kobject_uevent_env kmem_cache_zalloc include/linux/slab.h:651 [inline] mmap_region+0x602/0x1030 mm/mmap.c:1691 do_mmap+0x5b8/0xcd0 mm/mmap.c:1501 kobject: 'loop2' (ffff8880a4130ce0): fill_kobj_path: path = '/devices/virtual/block/loop2' do_mmap_pgoff include/linux/mm.h:2173 [inline] vm_mmap_pgoff+0x17a/0x1d0 mm/util.c:333 kobject: 'loop0' (ffff8880a406cbe0): kobject_uevent_env SYSC_mmap_pgoff mm/mmap.c:1551 [inline] SyS_mmap_pgoff+0x3ca/0x520 mm/mmap.c:1509 kobject: 'loop0' (ffff8880a406cbe0): fill_kobj_path: path = '/devices/virtual/block/loop0' SYSC_mmap arch/x86/kernel/sys_x86_64.c:100 [inline] SyS_mmap+0x16/0x20 arch/x86/kernel/sys_x86_64.c:91 do_syscall_64+0x1e8/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x42/0xb7 RIP: 0033:0x45a919 RSP: 002b:00007f8979836c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000009 RAX: ffffffffffffffda RBX: 00007f8979836c90 RCX: 000000000045a919 RDX: 0000000000000000 RSI: 0000000000001000 RDI: 0000000020fff000 RBP: 000000000075bf20 R08: 0000000000000003 R09: 0000000080000000 R10: 0000000000000012 R11: 0000000000000246 R12: 00007f89798376d4 R13: 00000000004c7c29 R14: 00000000004dea50 R15: 0000000000000004 CPU: 0 PID: 23164 Comm: syz-executor.2 Not tainted 4.14.158-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_trace+0x280/0x770 mm/slab.c:3659 kmalloc_node include/linux/slab.h:526 [inline] alloc_vmap_area+0x103/0x810 mm/vmalloc.c:419 __get_vm_area_node+0x129/0x340 mm/vmalloc.c:1413 __vmalloc_node_range+0x9f/0x6a0 mm/vmalloc.c:1759 __vmalloc_node mm/vmalloc.c:1815 [inline] __vmalloc+0x44/0x50 mm/vmalloc.c:1821 bpf_prog_alloc+0x40/0x1e0 kernel/bpf/core.c:85 bpf_prog_load+0x292/0xf20 kernel/bpf/syscall.c:1030 SYSC_bpf kernel/bpf/syscall.c:1509 [inline] SyS_bpf+0x43b/0x2db8 kernel/bpf/syscall.c:1475 do_syscall_64+0x1e8/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x42/0xb7 RIP: 0033:0x45a919 RSP: 002b:00007f1809487c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 RAX: ffffffffffffffda RBX: 00007f1809487c90 RCX: 000000000045a919 RDX: 0000000000000048 RSI: 000000002000e000 RDI: 0000000000000005 RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007f18094886d4 R13: 00000000004c0f9d R14: 00000000004d4b68 R15: 0000000000000003 CPU: 0 PID: 23165 Comm: syz-executor.0 Not tainted 4.14.158-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] __do_kmalloc mm/slab.c:3718 [inline] __kmalloc_track_caller+0x2ec/0x790 mm/slab.c:3735 kmemdup+0x27/0x60 mm/util.c:118 kmemdup include/linux/string.h:420 [inline] selinux_cred_prepare+0x49/0xb0 security/selinux/hooks.c:3849 security_prepare_creds+0x7d/0xb0 security/security.c:1008 prepare_creds+0x2d1/0x390 kernel/cred.c:282 copy_creds+0x7b/0x4f0 kernel/cred.c:348 copy_process.part.0+0x868/0x6a70 kernel/fork.c:1644 copy_process kernel/fork.c:1586 [inline] _do_fork+0x19e/0xce0 kernel/fork.c:2070 SYSC_clone kernel/fork.c:2180 [inline] SyS_clone+0x37/0x50 kernel/fork.c:2174 do_syscall_64+0x1e8/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x42/0xb7 RIP: 0033:0x45a919 RSP: 002b:00007ffbc54c6c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 RAX: ffffffffffffffda RBX: 00007ffbc54c6c90 RCX: 000000000045a919 RDX: 9999999999999999 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 000000000075bf20 R08: ffffffffffffffff R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffbc54c76d4 R13: 00000000004c1007 R14: 00000000004d4c88 R15: 0000000000000007 syz-executor.2: vmalloc: allocation failure: 4096 bytes, mode:0x14280c0(GFP_USER|__GFP_ZERO), nodemask=(null) syz-executor.2 cpuset=syz2 mems_allowed=0-1 CPU: 0 PID: 23164 Comm: syz-executor.2 Not tainted 4.14.158-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 warn_alloc.cold+0x96/0x1af mm/page_alloc.c:3248 __vmalloc_node_range mm/vmalloc.c:1786 [inline] __vmalloc_node_range+0x3c3/0x6a0 mm/vmalloc.c:1746 __vmalloc_node mm/vmalloc.c:1815 [inline] __vmalloc+0x44/0x50 mm/vmalloc.c:1821 bpf_prog_alloc+0x40/0x1e0 kernel/bpf/core.c:85 bpf_prog_load+0x292/0xf20 kernel/bpf/syscall.c:1030 SYSC_bpf kernel/bpf/syscall.c:1509 [inline] SyS_bpf+0x43b/0x2db8 kernel/bpf/syscall.c:1475 do_syscall_64+0x1e8/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x42/0xb7 RIP: 0033:0x45a919 RSP: 002b:00007f1809487c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 RAX: ffffffffffffffda RBX: 00007f1809487c90 RCX: 000000000045a919 RDX: 0000000000000048 RSI: 000000002000e000 RDI: 0000000000000005 RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007f18094886d4 R13: 00000000004c0f9d R14: 00000000004d4b68 R15: 0000000000000003 Mem-Info: active_anon:264686 inactive_anon:183 isolated_anon:0 active_file:8606 inactive_file:12451 isolated_file:0 unevictable:0 dirty:316 writeback:0 unstable:0 slab_reclaimable:14335 slab_unreclaimable:114706 mapped:59425 shmem:242 pagetables:7190 bounce:0 free:1090892 free_pcp:117 free_cma:0 Node 0 active_anon:1058744kB inactive_anon:732kB active_file:34284kB inactive_file:49804kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:237700kB dirty:1260kB writeback:0kB shmem:968kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 808960kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no Node 1 active_anon:0kB inactive_anon:0kB active_file:140kB inactive_file:0kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:4kB writeback:0kB shmem:0kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no Node 0 DMA free:15908kB min:216kB low:268kB high:320kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 2569 2569 2569 2569 Node 0 DMA32 free:563276kB min:36380kB low:45472kB high:54564kB active_anon:1058744kB inactive_anon:732kB active_file:34284kB inactive_file:49804kB unevictable:0kB writepending:1260kB present:3129332kB managed:2634384kB mlocked:0kB kernel_stack:15200kB pagetables:28760kB bounce:0kB free_pcp:460kB local_pcp:296kB free_cma:0kB lowmem_reserve[]: 0 0 0 0 0 Node 0 Normal free:0kB min:0kB low:0kB high:0kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:0kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 0 0 0 0 Node 1 Normal free:3784384kB min:53508kB low:66884kB high:80260kB active_anon:0kB inactive_anon:0kB active_file:140kB inactive_file:0kB unevictable:0kB writepending:4kB present:3932160kB managed:3870192kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 0 0 0 0 Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB Node 0 DMA32: 69*4kB (ME) 1651*8kB (UME) 1977*16kB (UME) 1672*32kB (UME) 626*64kB (UM) 69*128kB (UM) 24*256kB (UME) 38*512kB (UME) 29*1024kB (UM) 8*2048kB (UM) 84*4096kB (UM) = 563260kB Node 0 Normal: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB Node 1 Normal: 52*4kB (UE) 364*8kB (UME) 265*16kB (UE) 54*32kB (UM) 15*64kB (UM) 7*128kB (UE) 4*256kB (UM) 4*512kB (U) 2*1024kB (UM) 4*2048kB (ME) 918*4096kB (M) = 3784384kB Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB 21271 total pagecache pages 0 pages in swap cache Swap cache stats: add 0, delete 0, find 0/0 Free swap = 0kB Total swap = 0kB 1965979 pages RAM 0 pages HighMem/MovableOnly 335858 pages reserved 0 pages cma reserved kobject: 'loop0' (ffff8880a406cbe0): kobject_uevent_env kobject: 'kvm' (ffff8882194b2ad0): kobject_uevent_env kobject: 'loop0' (ffff8880a406cbe0): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'kvm' (ffff8882194b2ad0): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'loop5' (ffff8880a41fc5a0): kobject_uevent_env kobject: 'kvm' (ffff8882194b2ad0): kobject_uevent_env kobject: 'loop5' (ffff8880a41fc5a0): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'kvm' (ffff8882194b2ad0): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'loop1' (ffff8880a40e8c60): kobject_uevent_env kobject: 'loop1' (ffff8880a40e8c60): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop5' (ffff8880a41fc5a0): kobject_uevent_env kobject: 'loop5' (ffff8880a41fc5a0): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop2' (ffff8880a4130ce0): kobject_uevent_env kobject: 'loop2' (ffff8880a4130ce0): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop1' (ffff8880a40e8c60): kobject_uevent_env kobject: 'loop1' (ffff8880a40e8c60): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop4' (ffff8880a41a4520): kobject_uevent_env kobject: 'loop4' (ffff8880a41a4520): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop5' (ffff8880a41fc5a0): kobject_uevent_env kobject: 'loop5' (ffff8880a41fc5a0): fill_kobj_path: path = '/devices/virtual/block/loop5' FAULT_INJECTION: forcing a failure. name fail_page_alloc, interval 1, probability 0, space 0, times 0 CPU: 0 PID: 23153 Comm: syz-executor.3 Not tainted 4.14.158-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_fail_alloc_page mm/page_alloc.c:2891 [inline] prepare_alloc_pages mm/page_alloc.c:4124 [inline] __alloc_pages_nodemask+0x1d6/0x7a0 mm/page_alloc.c:4172 alloc_pages_current+0xec/0x1e0 mm/mempolicy.c:2113 alloc_pages include/linux/gfp.h:520 [inline] __get_free_pages+0xf/0x40 mm/page_alloc.c:4226 tlb_next_batch mm/memory.c:205 [inline] __tlb_remove_page_size+0x2c5/0x4f0 mm/memory.c:317 __tlb_remove_page include/asm-generic/tlb.h:150 [inline] zap_pte_range mm/memory.c:1345 [inline] zap_pmd_range mm/memory.c:1444 [inline] zap_pud_range mm/memory.c:1473 [inline] zap_p4d_range mm/memory.c:1494 [inline] unmap_page_range+0xb59/0x19f0 mm/memory.c:1515 unmap_single_vma+0x15d/0x2c0 mm/memory.c:1560 unmap_vmas+0xac/0x170 mm/memory.c:1590 exit_mmap+0x285/0x4e0 mm/mmap.c:3062 __mmput kernel/fork.c:930 [inline] mmput+0x114/0x440 kernel/fork.c:951 exit_mm kernel/exit.c:545 [inline] do_exit+0x6fc/0x2c80 kernel/exit.c:841 do_group_exit+0x111/0x330 kernel/exit.c:951 get_signal+0x381/0x1cd0 kernel/signal.c:2413 do_signal+0x86/0x19a0 arch/x86/kernel/signal.c:814 exit_to_usermode_loop+0x15c/0x220 arch/x86/entry/common.c:160 prepare_exit_to_usermode arch/x86/entry/common.c:199 [inline] syscall_return_slowpath arch/x86/entry/common.c:270 [inline] do_syscall_64+0x4bc/0x640 arch/x86/entry/common.c:297 entry_SYSCALL_64_after_hwframe+0x42/0xb7 RIP: 0033:0x45a919 RSP: 002b:00007f7b212a8c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 RAX: 000000000000012d RBX: 00007f7b212a8c90 RCX: 000000000045a919 RDX: 000000000000012d RSI: 0000000020000880 RDI: 0000000000000005 RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007f7b212a96d4 R13: 00000000004cbd8c R14: 00000000004e5a10 R15: 0000000000000006 kobject: 'loop3' (ffff8880a41695e0): kobject_uevent_env kobject: 'loop3' (ffff8880a41695e0): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop2' (ffff8880a4130ce0): kobject_uevent_env kobject: 'loop2' (ffff8880a4130ce0): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop5' (ffff8880a41fc5a0): kobject_uevent_env kobject: 'loop5' (ffff8880a41fc5a0): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop3' (ffff8880a41695e0): kobject_uevent_env kobject: 'loop3' (ffff8880a41695e0): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop1' (ffff8880a40e8c60): kobject_uevent_env kobject: 'loop1' (ffff8880a40e8c60): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop0' (ffff8880a406cbe0): kobject_uevent_env kobject: 'loop0' (ffff8880a406cbe0): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop3' (ffff8880a41695e0): kobject_uevent_env kobject: 'loop3' (ffff8880a41695e0): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop2' (ffff8880a4130ce0): kobject_uevent_env kobject: 'loop2' (ffff8880a4130ce0): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop5' (ffff8880a41fc5a0): kobject_uevent_env kobject: 'loop5' (ffff8880a41fc5a0): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop1' (ffff8880a40e8c60): kobject_uevent_env kobject: 'loop1' (ffff8880a40e8c60): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop2' (ffff8880a4130ce0): kobject_uevent_env kobject: 'loop2' (ffff8880a4130ce0): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop0' (ffff8880a406cbe0): kobject_uevent_env kobject: 'loop0' (ffff8880a406cbe0): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop5' (ffff8880a41fc5a0): kobject_uevent_env kobject: 'loop5' (ffff8880a41fc5a0): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop4' (ffff8880a41a4520): kobject_uevent_env kobject: 'loop4' (ffff8880a41a4520): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop3' (ffff8880a41695e0): kobject_uevent_env audit: type=1400 audit(1576574323.196:62): avc: denied { map } for pid=23257 comm="syz-executor.1" path="/dev/pts/0" dev="devpts" ino=3 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:object_r:devpts_t:s0 tclass=chr_file permissive=1 kobject: 'loop3' (ffff8880a41695e0): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop2' (ffff8880a4130ce0): kobject_uevent_env kobject: 'loop2' (ffff8880a4130ce0): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop4' (ffff8880a41a4520): kobject_uevent_env kobject: 'loop4' (ffff8880a41a4520): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop2' (ffff8880a4130ce0): kobject_uevent_env kobject: 'loop2' (ffff8880a4130ce0): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop5' (ffff8880a41fc5a0): kobject_uevent_env kobject: 'loop5' (ffff8880a41fc5a0): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop1' (ffff8880a40e8c60): kobject_uevent_env kobject: 'loop1' (ffff8880a40e8c60): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop0' (ffff8880a406cbe0): kobject_uevent_env kobject: 'loop0' (ffff8880a406cbe0): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop4' (ffff8880a41a4520): kobject_uevent_env kobject: 'loop4' (ffff8880a41a4520): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop5' (ffff8880a41fc5a0): kobject_uevent_env kobject: 'loop5' (ffff8880a41fc5a0): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop2' (ffff8880a4130ce0): kobject_uevent_env kobject: 'loop2' (ffff8880a4130ce0): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop0' (ffff8880a406cbe0): kobject_uevent_env kobject: 'loop0' (ffff8880a406cbe0): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop2' (ffff8880a4130ce0): kobject_uevent_env kobject: 'loop2' (ffff8880a4130ce0): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop5' (ffff8880a41fc5a0): kobject_uevent_env kobject: 'loop5' (ffff8880a41fc5a0): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop1' (ffff8880a40e8c60): kobject_uevent_env kobject: 'loop1' (ffff8880a40e8c60): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop3' (ffff8880a41695e0): kobject_uevent_env kobject: 'loop3' (ffff8880a41695e0): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop2' (ffff8880a4130ce0): kobject_uevent_env kobject: 'loop2' (ffff8880a4130ce0): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop5' (ffff8880a41fc5a0): kobject_uevent_env kobject: 'loop5' (ffff8880a41fc5a0): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop1' (ffff8880a40e8c60): kobject_uevent_env kobject: 'loop1' (ffff8880a40e8c60): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop0' (ffff8880a406cbe0): kobject_uevent_env kobject: 'loop0' (ffff8880a406cbe0): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop2' (ffff8880a4130ce0): kobject_uevent_env kobject: 'loop2' (ffff8880a4130ce0): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop3' (ffff8880a41695e0): kobject_uevent_env kobject: 'loop3' (ffff8880a41695e0): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop4' (ffff8880a41a4520): kobject_uevent_env kobject: 'loop4' (ffff8880a41a4520): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'kvm' (ffff8882194b2ad0): kobject_uevent_env kobject: 'loop1' (ffff8880a40e8c60): kobject_uevent_env kobject: 'loop1' (ffff8880a40e8c60): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop5' (ffff8880a41fc5a0): kobject_uevent_env kobject: 'loop5' (ffff8880a41fc5a0): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop2' (ffff8880a4130ce0): kobject_uevent_env kobject: 'loop2' (ffff8880a4130ce0): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'kvm' (ffff8882194b2ad0): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'loop0' (ffff8880a406cbe0): kobject_uevent_env kobject: 'loop0' (ffff8880a406cbe0): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'kvm' (ffff8882194b2ad0): kobject_uevent_env kobject: 'kvm' (ffff8882194b2ad0): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'loop2' (ffff8880a4130ce0): kobject_uevent_env kobject: 'loop2' (ffff8880a4130ce0): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop1' (ffff8880a40e8c60): kobject_uevent_env kobject: 'loop1' (ffff8880a40e8c60): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop0' (ffff8880a406cbe0): kobject_uevent_env kobject: 'loop0' (ffff8880a406cbe0): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop5' (ffff8880a41fc5a0): kobject_uevent_env kobject: 'loop5' (ffff8880a41fc5a0): fill_kobj_path: path = '/devices/virtual/block/loop5' caif:caif_disconnect_client(): nothing to disconnect kobject: 'loop5' (ffff8880a41fc5a0): kobject_uevent_env kobject: 'loop5' (ffff8880a41fc5a0): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop1' (ffff8880a40e8c60): kobject_uevent_env kobject: 'loop1' (ffff8880a40e8c60): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop2' (ffff8880a4130ce0): kobject_uevent_env kobject: 'loop2' (ffff8880a4130ce0): fill_kobj_path: path = '/devices/virtual/block/loop2' caif:caif_disconnect_client(): nothing to disconnect audit: type=1400 audit(1576574324.176:63): avc: denied { map } for pid=23414 comm="syz-executor.5" path="socket:[95786]" dev="sockfs" ino=95786 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=socket permissive=1 kobject: 'loop1' (ffff8880a40e8c60): kobject_uevent_env kobject: 'loop1' (ffff8880a40e8c60): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop2' (ffff8880a4130ce0): kobject_uevent_env kobject: 'loop2' (ffff8880a4130ce0): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop0' (ffff8880a406cbe0): kobject_uevent_env kobject: 'loop0' (ffff8880a406cbe0): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop5' (ffff8880a41fc5a0): kobject_uevent_env kobject: 'loop5' (ffff8880a41fc5a0): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop3' (ffff8880a41695e0): kobject_uevent_env kobject: 'loop3' (ffff8880a41695e0): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop4' (ffff8880a41a4520): kobject_uevent_env kobject: 'loop4' (ffff8880a41a4520): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop2' (ffff8880a4130ce0): kobject_uevent_env kobject: 'loop2' (ffff8880a4130ce0): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop5' (ffff8880a41fc5a0): kobject_uevent_env kobject: 'loop5' (ffff8880a41fc5a0): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop3' (ffff8880a41695e0): kobject_uevent_env kobject: 'loop3' (ffff8880a41695e0): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop0' (ffff8880a406cbe0): kobject_uevent_env kobject: 'loop0' (ffff8880a406cbe0): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop1' (ffff8880a40e8c60): kobject_uevent_env kobject: 'loop1' (ffff8880a40e8c60): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop5' (ffff8880a41fc5a0): kobject_uevent_env kobject: 'loop5' (ffff8880a41fc5a0): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop2' (ffff8880a4130ce0): kobject_uevent_env kobject: 'loop2' (ffff8880a4130ce0): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop1' (ffff8880a40e8c60): kobject_uevent_env kobject: 'loop1' (ffff8880a40e8c60): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop0' (ffff8880a406cbe0): kobject_uevent_env kobject: 'loop0' (ffff8880a406cbe0): fill_kobj_path: path = '/devices/virtual/block/loop0' capability: warning: `syz-executor.2' uses deprecated v2 capabilities in a way that may be insecure kobject: 'loop5' (ffff8880a41fc5a0): kobject_uevent_env kobject: 'loop5' (ffff8880a41fc5a0): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop2' (ffff8880a4130ce0): kobject_uevent_env kobject: 'loop2' (ffff8880a4130ce0): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop0' (ffff8880a406cbe0): kobject_uevent_env kobject: 'loop0' (ffff8880a406cbe0): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop1' (ffff8880a40e8c60): kobject_uevent_env kobject: 'loop1' (ffff8880a40e8c60): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop2' (ffff8880a4130ce0): kobject_uevent_env kobject: 'loop2' (ffff8880a4130ce0): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop5' (ffff8880a41fc5a0): kobject_uevent_env kobject: 'loop5' (ffff8880a41fc5a0): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop4' (ffff8880a41a4520): kobject_uevent_env kobject: 'loop4' (ffff8880a41a4520): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop0' (ffff8880a406cbe0): kobject_uevent_env kobject: 'loop0' (ffff8880a406cbe0): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop4' (ffff8880a41a4520): kobject_uevent_env kobject: 'loop4' (ffff8880a41a4520): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop2' (ffff8880a4130ce0): kobject_uevent_env kobject: 'loop2' (ffff8880a4130ce0): fill_kobj_path: path = '/devices/virtual/block/loop2' hfsplus: unable to parse mount options kobject: 'loop3' (ffff8880a41695e0): kobject_uevent_env kobject: 'loop3' (ffff8880a41695e0): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop0' (ffff8880a406cbe0): kobject_uevent_env kobject: 'loop0' (ffff8880a406cbe0): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop5' (ffff8880a41fc5a0): kobject_uevent_env kobject: 'loop5' (ffff8880a41fc5a0): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop2' (ffff8880a4130ce0): kobject_uevent_env kobject: 'loop2' (ffff8880a4130ce0): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop2' (ffff8880a4130ce0): kobject_uevent_env kobject: 'loop2' (ffff8880a4130ce0): fill_kobj_path: path = '/devices/virtual/block/loop2' hfsplus: unable to parse mount options kobject: 'loop2' (ffff8880a4130ce0): kobject_uevent_env kobject: 'loop2' (ffff8880a4130ce0): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop5' (ffff8880a41fc5a0): kobject_uevent_env kobject: 'loop5' (ffff8880a41fc5a0): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop0' (ffff8880a406cbe0): kobject_uevent_env kobject: 'loop0' (ffff8880a406cbe0): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop0' (ffff8880a406cbe0): kobject_uevent_env kobject: 'loop0' (ffff8880a406cbe0): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop4' (ffff8880a41a4520): kobject_uevent_env kobject: 'loop4' (ffff8880a41a4520): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop3' (ffff8880a41695e0): kobject_uevent_env kobject: 'loop3' (ffff8880a41695e0): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop1' (ffff8880a40e8c60): kobject_uevent_env kobject: 'loop1' (ffff8880a40e8c60): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop5' (ffff8880a41fc5a0): kobject_uevent_env kobject: 'loop5' (ffff8880a41fc5a0): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop5' (ffff8880a41fc5a0): kobject_uevent_env kobject: 'loop5' (ffff8880a41fc5a0): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop0' (ffff8880a406cbe0): kobject_uevent_env kobject: 'loop0' (ffff8880a406cbe0): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop5' (ffff8880a41fc5a0): kobject_uevent_env kobject: 'loop5' (ffff8880a41fc5a0): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop2' (ffff8880a4130ce0): kobject_uevent_env kobject: 'loop2' (ffff8880a4130ce0): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop1' (ffff8880a40e8c60): kobject_uevent_env kobject: 'loop1' (ffff8880a40e8c60): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop0' (ffff8880a406cbe0): kobject_uevent_env kobject: 'loop0' (ffff8880a406cbe0): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop2' (ffff8880a4130ce0): kobject_uevent_env kobject: 'loop2' (ffff8880a4130ce0): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop5' (ffff8880a41fc5a0): kobject_uevent_env kobject: 'loop5' (ffff8880a41fc5a0): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop0' (ffff8880a406cbe0): kobject_uevent_env kobject: 'loop0' (ffff8880a406cbe0): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop1' (ffff8880a40e8c60): kobject_uevent_env kobject: 'loop1' (ffff8880a40e8c60): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop2' (ffff8880a4130ce0): kobject_uevent_env kobject: 'loop2' (ffff8880a4130ce0): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop5' (ffff8880a41fc5a0): kobject_uevent_env kobject: 'loop5' (ffff8880a41fc5a0): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop4' (ffff8880a41a4520): kobject_uevent_env kobject: 'loop4' (ffff8880a41a4520): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop3' (ffff8880a41695e0): kobject_uevent_env audit: type=1400 audit(1576574326.206:64): avc: denied { map } for pid=23643 comm="syz-executor.1" path="socket:[96824]" dev="sockfs" ino=96824 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=tcp_socket permissive=1 kobject: 'loop3' (ffff8880a41695e0): kobject_uevent_env kobject: 'loop3' (ffff8880a41695e0): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop3' (ffff8880a41695e0): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop3' (ffff8880a41695e0): kobject_uevent_env kobject: 'loop3' (ffff8880a41695e0): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop1' (ffff8880a40e8c60): kobject_uevent_env kobject: 'loop1' (ffff8880a40e8c60): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop0' (ffff8880a406cbe0): kobject_uevent_env kobject: 'loop0' (ffff8880a406cbe0): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop5' (ffff8880a41fc5a0): kobject_uevent_env kobject: 'loop5' (ffff8880a41fc5a0): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop2' (ffff8880a4130ce0): kobject_uevent_env kobject: 'loop2' (ffff8880a4130ce0): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop3' (ffff8880a41695e0): kobject_uevent_env kobject: 'loop3' (ffff8880a41695e0): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop5' (ffff8880a41fc5a0): kobject_uevent_env kobject: 'loop5' (ffff8880a41fc5a0): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop2' (ffff8880a4130ce0): kobject_uevent_env kobject: 'loop2' (ffff8880a4130ce0): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop5' (ffff8880a41fc5a0): kobject_uevent_env kobject: 'loop5' (ffff8880a41fc5a0): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop0' (ffff8880a406cbe0): kobject_uevent_env kobject: 'loop0' (ffff8880a406cbe0): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop1' (ffff8880a40e8c60): kobject_uevent_env kobject: 'loop1' (ffff8880a40e8c60): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop3' (ffff8880a41695e0): kobject_uevent_env kobject: 'loop3' (ffff8880a41695e0): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop3' (ffff8880a41695e0): kobject_uevent_env kobject: 'loop3' (ffff8880a41695e0): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop4' (ffff8880a41a4520): kobject_uevent_env kobject: 'loop4' (ffff8880a41a4520): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop5' (ffff8880a41fc5a0): kobject_uevent_env kobject: 'loop5' (ffff8880a41fc5a0): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop1' (ffff8880a40e8c60): kobject_uevent_env kobject: 'loop1' (ffff8880a40e8c60): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop0' (ffff8880a406cbe0): kobject_uevent_env kobject: 'loop0' (ffff8880a406cbe0): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop2' (ffff8880a4130ce0): kobject_uevent_env kobject: 'loop2' (ffff8880a4130ce0): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop1' (ffff8880a40e8c60): kobject_uevent_env kobject: 'loop1' (ffff8880a40e8c60): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop2' (ffff8880a4130ce0): kobject_uevent_env kobject: 'loop2' (ffff8880a4130ce0): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop5' (ffff8880a41fc5a0): kobject_uevent_env kobject: 'loop5' (ffff8880a41fc5a0): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop0' (ffff8880a406cbe0): kobject_uevent_env kobject: 'loop0' (ffff8880a406cbe0): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop1' (ffff8880a40e8c60): kobject_uevent_env kobject: 'loop1' (ffff8880a40e8c60): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop3' (ffff8880a41695e0): kobject_uevent_env kobject: 'loop3' (ffff8880a41695e0): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop4' (ffff8880a41a4520): kobject_uevent_env kobject: 'loop4' (ffff8880a41a4520): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop2' (ffff8880a4130ce0): kobject_uevent_env kobject: 'loop2' (ffff8880a4130ce0): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop3' (ffff8880a41695e0): kobject_uevent_env kobject: 'loop3' (ffff8880a41695e0): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop1' (ffff8880a40e8c60): kobject_uevent_env kobject: 'loop1' (ffff8880a40e8c60): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop5' (ffff8880a41fc5a0): kobject_uevent_env kobject: 'loop5' (ffff8880a41fc5a0): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop5' (ffff8880a41fc5a0): kobject_uevent_env kobject: 'loop5' (ffff8880a41fc5a0): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop2' (ffff8880a4130ce0): kobject_uevent_env kobject: 'loop2' (ffff8880a4130ce0): fill_kobj_path: path = '/devices/virtual/block/loop2' VFS: Can't find a Minix filesystem V1 | V2 | V3 on device loop5. kobject: 'loop5' (ffff8880a41fc5a0): kobject_uevent_env kobject: 'loop5' (ffff8880a41fc5a0): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop4' (ffff8880a41a4520): kobject_uevent_env kobject: 'loop4' (ffff8880a41a4520): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop5' (ffff8880a41fc5a0): kobject_uevent_env kobject: 'loop5' (ffff8880a41fc5a0): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop1' (ffff8880a40e8c60): kobject_uevent_env kobject: 'loop1' (ffff8880a40e8c60): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop3' (ffff8880a41695e0): kobject_uevent_env kobject: 'loop3' (ffff8880a41695e0): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop2' (ffff8880a4130ce0): kobject_uevent_env kobject: 'loop2' (ffff8880a4130ce0): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop0' (ffff8880a406cbe0): kobject_uevent_env kobject: 'loop0' (ffff8880a406cbe0): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop5' (ffff8880a41fc5a0): kobject_uevent_env kobject: 'loop5' (ffff8880a41fc5a0): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop2' (ffff8880a4130ce0): kobject_uevent_env kobject: 'loop2' (ffff8880a4130ce0): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop1' (ffff8880a40e8c60): kobject_uevent_env kobject: 'loop1' (ffff8880a40e8c60): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop5' (ffff8880a41fc5a0): kobject_uevent_env kobject: 'loop5' (ffff8880a41fc5a0): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop2' (ffff8880a4130ce0): kobject_uevent_env kobject: 'loop2' (ffff8880a4130ce0): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop0' (ffff8880a406cbe0): kobject_uevent_env kobject: 'loop0' (ffff8880a406cbe0): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop5' (ffff8880a41fc5a0): kobject_uevent_env kobject: 'loop5' (ffff8880a41fc5a0): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop3' (ffff8880a41695e0): kobject_uevent_env kobject: 'loop3' (ffff8880a41695e0): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop4' (ffff8880a41a4520): kobject_uevent_env kobject: 'loop4' (ffff8880a41a4520): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop1' (ffff8880a40e8c60): kobject_uevent_env kobject: 'loop1' (ffff8880a40e8c60): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop2' (ffff8880a4130ce0): kobject_uevent_env kobject: 'loop2' (ffff8880a4130ce0): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop0' (ffff8880a406cbe0): kobject_uevent_env kobject: 'loop0' (ffff8880a406cbe0): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop2' (ffff8880a4130ce0): kobject_uevent_env kobject: 'loop2' (ffff8880a4130ce0): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop1' (ffff8880a40e8c60): kobject_uevent_env kobject: 'loop1' (ffff8880a40e8c60): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop2' (ffff8880a4130ce0): kobject_uevent_env kobject: 'loop2' (ffff8880a4130ce0): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop0' (ffff8880a406cbe0): kobject_uevent_env kobject: 'loop0' (ffff8880a406cbe0): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop1' (ffff8880a40e8c60): kobject_uevent_env kobject: 'loop1' (ffff8880a40e8c60): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop2' (ffff8880a4130ce0): kobject_uevent_env kobject: 'loop2' (ffff8880a4130ce0): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop4' (ffff8880a41a4520): kobject_uevent_env kobject: 'loop4' (ffff8880a41a4520): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop3' (ffff8880a41695e0): kobject_uevent_env kobject: 'loop3' (ffff8880a41695e0): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop5' (ffff8880a41fc5a0): kobject_uevent_env kobject: 'loop5' (ffff8880a41fc5a0): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop2' (ffff8880a4130ce0): kobject_uevent_env kobject: 'loop2' (ffff8880a4130ce0): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop5' (ffff8880a41fc5a0): kobject_uevent_env kobject: 'loop5' (ffff8880a41fc5a0): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop5' (ffff8880a41fc5a0): kobject_uevent_env kobject: 'loop5' (ffff8880a41fc5a0): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop1' (ffff8880a40e8c60): kobject_uevent_env kobject: 'loop1' (ffff8880a40e8c60): fill_kobj_path: path = '/devices/virtual/block/loop1' QAT: Invalid ioctl kobject: 'loop5' (ffff8880a41fc5a0): kobject_uevent_env kobject: 'loop5' (ffff8880a41fc5a0): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop2' (ffff8880a4130ce0): kobject_uevent_env kobject: 'loop2' (ffff8880a4130ce0): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop1' (ffff8880a40e8c60): kobject_uevent_env kobject: 'loop1' (ffff8880a40e8c60): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop3' (ffff8880a41695e0): kobject_uevent_env kobject: 'loop3' (ffff8880a41695e0): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop4' (ffff8880a41a4520): kobject_uevent_env kobject: 'loop4' (ffff8880a41a4520): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop5' (ffff8880a41fc5a0): kobject_uevent_env kobject: 'loop5' (ffff8880a41fc5a0): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop2' (ffff8880a4130ce0): kobject_uevent_env kobject: 'loop2' (ffff8880a4130ce0): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop1' (ffff8880a40e8c60): kobject_uevent_env kobject: 'loop1' (ffff8880a40e8c60): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop3' (ffff8880a41695e0): kobject_uevent_env kobject: 'loop3' (ffff8880a41695e0): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop4' (ffff8880a41a4520): kobject_uevent_env kobject: 'loop4' (ffff8880a41a4520): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop5' (ffff8880a41fc5a0): kobject_uevent_env kobject: 'loop5' (ffff8880a41fc5a0): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop1' (ffff8880a40e8c60): kobject_uevent_env kobject: 'loop1' (ffff8880a40e8c60): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop4' (ffff8880a41a4520): kobject_uevent_env kobject: 'loop4' (ffff8880a41a4520): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop5' (ffff8880a41fc5a0): kobject_uevent_env kobject: 'loop5' (ffff8880a41fc5a0): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop2' (ffff8880a4130ce0): kobject_uevent_env kobject: 'loop2' (ffff8880a4130ce0): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop3' (ffff8880a41695e0): kobject_uevent_env kobject: 'loop5' (ffff8880a41fc5a0): kobject_uevent_env kobject: 'loop5' (ffff8880a41fc5a0): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop3' (ffff8880a41695e0): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop1' (ffff8880a40e8c60): kobject_uevent_env kobject: 'loop1' (ffff8880a40e8c60): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop5' (ffff8880a41fc5a0): kobject_uevent_env kobject: 'loop5' (ffff8880a41fc5a0): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop3' (ffff8880a41695e0): kobject_uevent_env kobject: 'loop3' (ffff8880a41695e0): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop4' (ffff8880a41a4520): kobject_uevent_env kobject: 'loop4' (ffff8880a41a4520): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop3' (ffff8880a41695e0): kobject_uevent_env kobject: 'loop3' (ffff8880a41695e0): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop2' (ffff8880a4130ce0): kobject_uevent_env kobject: 'loop2' (ffff8880a4130ce0): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop2' (ffff8880a4130ce0): kobject_uevent_env kobject: 'loop2' (ffff8880a4130ce0): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop4' (ffff8880a41a4520): kobject_uevent_env kobject: 'loop4' (ffff8880a41a4520): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop2' (ffff8880a4130ce0): kobject_uevent_env kobject: 'loop2' (ffff8880a4130ce0): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop5' (ffff8880a41fc5a0): kobject_uevent_env kobject: 'loop5' (ffff8880a41fc5a0): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop2' (ffff8880a4130ce0): kobject_uevent_env kobject: 'loop2' (ffff8880a4130ce0): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop5' (ffff8880a41fc5a0): kobject_uevent_env kobject: 'loop5' (ffff8880a41fc5a0): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop2' (ffff8880a4130ce0): kobject_uevent_env kobject: 'loop2' (ffff8880a4130ce0): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop3' (ffff8880a41695e0): kobject_uevent_env kobject: 'loop3' (ffff8880a41695e0): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop2' (ffff8880a4130ce0): kobject_uevent_env kobject: 'loop2' (ffff8880a4130ce0): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop4' (ffff8880a41a4520): kobject_uevent_env kobject: 'loop4' (ffff8880a41a4520): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop1' (ffff8880a40e8c60): kobject_uevent_env kobject: 'loop1' (ffff8880a40e8c60): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop5' (ffff8880a41fc5a0): kobject_uevent_env kobject: 'loop5' (ffff8880a41fc5a0): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop3' (ffff8880a41695e0): kobject_uevent_env audit: type=1400 audit(1576574330.036:65): avc: denied { map } for pid=24103 comm="syz-executor.5" path="pipe:[97852]" dev="pipefs" ino=97852 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=fifo_file permissive=1 kobject: 'loop3' (ffff8880a41695e0): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop0' (ffff8880a406cbe0): kobject_uevent_env kobject: 'loop0' (ffff8880a406cbe0): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop4' (ffff8880a41a4520): kobject_uevent_env kobject: 'loop4' (ffff8880a41a4520): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop5' (ffff8880a41fc5a0): kobject_uevent_env kobject: 'loop5' (ffff8880a41fc5a0): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop2' (ffff8880a4130ce0): kobject_uevent_env kobject: 'loop2' (ffff8880a4130ce0): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop0' (ffff8880a406cbe0): kobject_uevent_env kobject: 'loop0' (ffff8880a406cbe0): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop2' (ffff8880a4130ce0): kobject_uevent_env kobject: 'loop2' (ffff8880a4130ce0): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop0' (ffff8880a406cbe0): kobject_uevent_env kobject: 'loop0' (ffff8880a406cbe0): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop3' (ffff8880a41695e0): kobject_uevent_env kobject: 'loop3' (ffff8880a41695e0): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop4' (ffff8880a41a4520): kobject_uevent_env