===================================================== WARNING: SOFTIRQ-safe -> SOFTIRQ-unsafe lock order detected 4.19.75 #0 Not tainted ----------------------------------------------------- syz-executor.2/8783 [HC0[0]:SC0[0]:HE0:SE1] is trying to acquire: 000000004da30c9d (&fiq->waitq){+.+.}, at: spin_lock include/linux/spinlock.h:329 [inline] 000000004da30c9d (&fiq->waitq){+.+.}, at: aio_poll fs/aio.c:1741 [inline] 000000004da30c9d (&fiq->waitq){+.+.}, at: __io_submit_one fs/aio.c:1849 [inline] 000000004da30c9d (&fiq->waitq){+.+.}, at: io_submit_one+0xef2/0x2eb0 fs/aio.c:1885 and this task is already holding: 000000003b0bdc19 (&(&ctx->ctx_lock)->rlock){..-.}, at: spin_lock_irq include/linux/spinlock.h:354 [inline] 000000003b0bdc19 (&(&ctx->ctx_lock)->rlock){..-.}, at: aio_poll fs/aio.c:1739 [inline] 000000003b0bdc19 (&(&ctx->ctx_lock)->rlock){..-.}, at: __io_submit_one fs/aio.c:1849 [inline] 000000003b0bdc19 (&(&ctx->ctx_lock)->rlock){..-.}, at: io_submit_one+0xead/0x2eb0 fs/aio.c:1885 which would create a new lock dependency: (&(&ctx->ctx_lock)->rlock){..-.} -> (&fiq->waitq){+.+.} but this new dependency connects a SOFTIRQ-irq-safe lock: (&(&ctx->ctx_lock)->rlock){..-.} ... which became SOFTIRQ-irq-safe at: lock_acquire+0x16f/0x3f0 kernel/locking/lockdep.c:3900 __raw_spin_lock_irq include/linux/spinlock_api_smp.h:128 [inline] _raw_spin_lock_irq+0x60/0x80 kernel/locking/spinlock.c:160 spin_lock_irq include/linux/spinlock.h:354 [inline] free_ioctx_users+0x2d/0x490 fs/aio.c:614 audit: type=1804 audit(1569623890.006:85): pid=8784 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-testdir213199843/syzkaller.oQdOnC/49/bus" dev="sda1" ino=16667 res=1 percpu_ref_put_many include/linux/percpu-refcount.h:284 [inline] percpu_ref_put include/linux/percpu-refcount.h:300 [inline] percpu_ref_call_confirm_rcu lib/percpu-refcount.c:123 [inline] percpu_ref_switch_to_atomic_rcu+0x407/0x540 lib/percpu-refcount.c:158 __rcu_reclaim kernel/rcu/rcu.h:236 [inline] rcu_do_batch kernel/rcu/tree.c:2584 [inline] invoke_rcu_callbacks kernel/rcu/tree.c:2897 [inline] __rcu_process_callbacks kernel/rcu/tree.c:2864 [inline] rcu_process_callbacks+0xba0/0x1a30 kernel/rcu/tree.c:2881 __do_softirq+0x25c/0x921 kernel/softirq.c:292 invoke_softirq kernel/softirq.c:372 [inline] irq_exit+0x180/0x1d0 kernel/softirq.c:412 exiting_irq arch/x86/include/asm/apic.h:536 [inline] smp_apic_timer_interrupt+0x13b/0x550 arch/x86/kernel/apic/apic.c:1094 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:893 __sanitizer_cov_trace_pc+0x32/0x50 kernel/kcov.c:104 do_jit.isra.0+0x139e/0x5330 arch/x86/net/bpf_jit_comp.c:1009 bpf_int_jit_compile+0x374/0xd15 arch/x86/net/bpf_jit_comp.c:1102 bpf_prog_select_runtime+0x46d/0x650 kernel/bpf/core.c:1559 bpf_migrate_filter net/core/filter.c:1273 [inline] bpf_prepare_filter net/core/filter.c:1321 [inline] bpf_prepare_filter+0x977/0xd60 net/core/filter.c:1287 __get_filter+0x1dc/0x280 net/core/filter.c:1490 sk_attach_filter+0x1e/0xa0 net/core/filter.c:1505 sock_setsockopt+0x1ae6/0x1f20 net/core/sock.c:893 __sys_setsockopt+0x232/0x280 net/socket.c:1897 __do_sys_setsockopt net/socket.c:1912 [inline] __se_sys_setsockopt net/socket.c:1909 [inline] __x64_sys_setsockopt+0xbe/0x150 net/socket.c:1909 do_syscall_64+0xfd/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe to a SOFTIRQ-irq-unsafe lock: (&fiq->waitq){+.+.} ... which became SOFTIRQ-irq-unsafe at: ... lock_acquire+0x16f/0x3f0 kernel/locking/lockdep.c:3900 __raw_spin_lock include/linux/spinlock_api_smp.h:142 [inline] _raw_spin_lock+0x2f/0x40 kernel/locking/spinlock.c:144 spin_lock include/linux/spinlock.h:329 [inline] flush_bg_queue+0x1f3/0x3d0 fs/fuse/dev.c:368 fuse_request_send_background_locked+0x26d/0x4e0 fs/fuse/dev.c:609 fuse_request_send_background+0x12b/0x180 fs/fuse/dev.c:617 cuse_send_init fs/fuse/cuse.c:458 [inline] cuse_channel_open+0x5ba/0x830 fs/fuse/cuse.c:518 misc_open+0x395/0x4c0 drivers/char/misc.c:141 chrdev_open+0x245/0x6b0 fs/char_dev.c:423 do_dentry_open+0x4c3/0x1210 fs/open.c:796 vfs_open+0xa0/0xd0 fs/open.c:905 do_last fs/namei.c:3418 [inline] path_openat+0x10d7/0x45e0 fs/namei.c:3534 do_filp_open+0x1a1/0x280 fs/namei.c:3564 do_sys_open+0x3fe/0x550 fs/open.c:1088 __do_sys_openat fs/open.c:1115 [inline] __se_sys_openat fs/open.c:1109 [inline] __x64_sys_openat+0x9d/0x100 fs/open.c:1109 do_syscall_64+0xfd/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe other info that might help us debug this: Possible interrupt unsafe locking scenario: CPU0 CPU1 ---- ---- lock(&fiq->waitq); local_irq_disable(); lock(&(&ctx->ctx_lock)->rlock); lock(&fiq->waitq); lock(&(&ctx->ctx_lock)->rlock); *** DEADLOCK *** 1 lock held by syz-executor.2/8783: #0: 000000003b0bdc19 (&(&ctx->ctx_lock)->rlock){..-.}, at: spin_lock_irq include/linux/spinlock.h:354 [inline] #0: 000000003b0bdc19 (&(&ctx->ctx_lock)->rlock){..-.}, at: aio_poll fs/aio.c:1739 [inline] #0: 000000003b0bdc19 (&(&ctx->ctx_lock)->rlock){..-.}, at: __io_submit_one fs/aio.c:1849 [inline] #0: 000000003b0bdc19 (&(&ctx->ctx_lock)->rlock){..-.}, at: io_submit_one+0xead/0x2eb0 fs/aio.c:1885 the dependencies between SOFTIRQ-irq-safe lock and the holding lock: -> (&(&ctx->ctx_lock)->rlock){..-.} ops: 9 { IN-SOFTIRQ-W at: lock_acquire+0x16f/0x3f0 kernel/locking/lockdep.c:3900 __raw_spin_lock_irq include/linux/spinlock_api_smp.h:128 [inline] _raw_spin_lock_irq+0x60/0x80 kernel/locking/spinlock.c:160 spin_lock_irq include/linux/spinlock.h:354 [inline] free_ioctx_users+0x2d/0x490 fs/aio.c:614 percpu_ref_put_many include/linux/percpu-refcount.h:284 [inline] percpu_ref_put include/linux/percpu-refcount.h:300 [inline] percpu_ref_call_confirm_rcu lib/percpu-refcount.c:123 [inline] percpu_ref_switch_to_atomic_rcu+0x407/0x540 lib/percpu-refcount.c:158 __rcu_reclaim kernel/rcu/rcu.h:236 [inline] rcu_do_batch kernel/rcu/tree.c:2584 [inline] invoke_rcu_callbacks kernel/rcu/tree.c:2897 [inline] __rcu_process_callbacks kernel/rcu/tree.c:2864 [inline] rcu_process_callbacks+0xba0/0x1a30 kernel/rcu/tree.c:2881 __do_softirq+0x25c/0x921 kernel/softirq.c:292 invoke_softirq kernel/softirq.c:372 [inline] irq_exit+0x180/0x1d0 kernel/softirq.c:412 exiting_irq arch/x86/include/asm/apic.h:536 [inline] smp_apic_timer_interrupt+0x13b/0x550 arch/x86/kernel/apic/apic.c:1094 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:893 __sanitizer_cov_trace_pc+0x32/0x50 kernel/kcov.c:104 do_jit.isra.0+0x139e/0x5330 arch/x86/net/bpf_jit_comp.c:1009 bpf_int_jit_compile+0x374/0xd15 arch/x86/net/bpf_jit_comp.c:1102 bpf_prog_select_runtime+0x46d/0x650 kernel/bpf/core.c:1559 bpf_migrate_filter net/core/filter.c:1273 [inline] bpf_prepare_filter net/core/filter.c:1321 [inline] bpf_prepare_filter+0x977/0xd60 net/core/filter.c:1287 __get_filter+0x1dc/0x280 net/core/filter.c:1490 sk_attach_filter+0x1e/0xa0 net/core/filter.c:1505 sock_setsockopt+0x1ae6/0x1f20 net/core/sock.c:893 __sys_setsockopt+0x232/0x280 net/socket.c:1897 __do_sys_setsockopt net/socket.c:1912 [inline] __se_sys_setsockopt net/socket.c:1909 [inline] __x64_sys_setsockopt+0xbe/0x150 net/socket.c:1909 do_syscall_64+0xfd/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe INITIAL USE at: lock_acquire+0x16f/0x3f0 kernel/locking/lockdep.c:3900 __raw_spin_lock_irq include/linux/spinlock_api_smp.h:128 [inline] _raw_spin_lock_irq+0x60/0x80 kernel/locking/spinlock.c:160 spin_lock_irq include/linux/spinlock.h:354 [inline] free_ioctx_users+0x2d/0x490 fs/aio.c:614 percpu_ref_put_many include/linux/percpu-refcount.h:284 [inline] percpu_ref_put include/linux/percpu-refcount.h:300 [inline] percpu_ref_call_confirm_rcu lib/percpu-refcount.c:123 [inline] percpu_ref_switch_to_atomic_rcu+0x407/0x540 lib/percpu-refcount.c:158 __rcu_reclaim kernel/rcu/rcu.h:236 [inline] rcu_do_batch kernel/rcu/tree.c:2584 [inline] invoke_rcu_callbacks kernel/rcu/tree.c:2897 [inline] __rcu_process_callbacks kernel/rcu/tree.c:2864 [inline] rcu_process_callbacks+0xba0/0x1a30 kernel/rcu/tree.c:2881 __do_softirq+0x25c/0x921 kernel/softirq.c:292 invoke_softirq kernel/softirq.c:372 [inline] irq_exit+0x180/0x1d0 kernel/softirq.c:412 exiting_irq arch/x86/include/asm/apic.h:536 [inline] smp_apic_timer_interrupt+0x13b/0x550 arch/x86/kernel/apic/apic.c:1094 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:893 __sanitizer_cov_trace_pc+0x32/0x50 kernel/kcov.c:104 do_jit.isra.0+0x139e/0x5330 arch/x86/net/bpf_jit_comp.c:1009 bpf_int_jit_compile+0x374/0xd15 arch/x86/net/bpf_jit_comp.c:1102 bpf_prog_select_runtime+0x46d/0x650 kernel/bpf/core.c:1559 bpf_migrate_filter net/core/filter.c:1273 [inline] bpf_prepare_filter net/core/filter.c:1321 [inline] bpf_prepare_filter+0x977/0xd60 net/core/filter.c:1287 __get_filter+0x1dc/0x280 net/core/filter.c:1490 sk_attach_filter+0x1e/0xa0 net/core/filter.c:1505 sock_setsockopt+0x1ae6/0x1f20 net/core/sock.c:893 __sys_setsockopt+0x232/0x280 net/socket.c:1897 __do_sys_setsockopt net/socket.c:1912 [inline] __se_sys_setsockopt net/socket.c:1909 [inline] __x64_sys_setsockopt+0xbe/0x150 net/socket.c:1909 do_syscall_64+0xfd/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe } ... key at: [] __key.50217+0x0/0x40 ... acquired at: lock_acquire+0x16f/0x3f0 kernel/locking/lockdep.c:3900 __raw_spin_lock include/linux/spinlock_api_smp.h:142 [inline] _raw_spin_lock+0x2f/0x40 kernel/locking/spinlock.c:144 spin_lock include/linux/spinlock.h:329 [inline] aio_poll fs/aio.c:1741 [inline] __io_submit_one fs/aio.c:1849 [inline] io_submit_one+0xef2/0x2eb0 fs/aio.c:1885 __do_sys_io_submit fs/aio.c:1929 [inline] __se_sys_io_submit fs/aio.c:1900 [inline] __x64_sys_io_submit+0x1aa/0x520 fs/aio.c:1900 do_syscall_64+0xfd/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe the dependencies between the lock to be acquired and SOFTIRQ-irq-unsafe lock: -> (&fiq->waitq){+.+.} ops: 4 { HARDIRQ-ON-W at: lock_acquire+0x16f/0x3f0 kernel/locking/lockdep.c:3900 __raw_spin_lock include/linux/spinlock_api_smp.h:142 [inline] _raw_spin_lock+0x2f/0x40 kernel/locking/spinlock.c:144 spin_lock include/linux/spinlock.h:329 [inline] flush_bg_queue+0x1f3/0x3d0 fs/fuse/dev.c:368 fuse_request_send_background_locked+0x26d/0x4e0 fs/fuse/dev.c:609 fuse_request_send_background+0x12b/0x180 fs/fuse/dev.c:617 cuse_send_init fs/fuse/cuse.c:458 [inline] cuse_channel_open+0x5ba/0x830 fs/fuse/cuse.c:518 misc_open+0x395/0x4c0 drivers/char/misc.c:141 chrdev_open+0x245/0x6b0 fs/char_dev.c:423 do_dentry_open+0x4c3/0x1210 fs/open.c:796 vfs_open+0xa0/0xd0 fs/open.c:905 do_last fs/namei.c:3418 [inline] path_openat+0x10d7/0x45e0 fs/namei.c:3534 do_filp_open+0x1a1/0x280 fs/namei.c:3564 do_sys_open+0x3fe/0x550 fs/open.c:1088 __do_sys_openat fs/open.c:1115 [inline] __se_sys_openat fs/open.c:1109 [inline] __x64_sys_openat+0x9d/0x100 fs/open.c:1109 do_syscall_64+0xfd/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe SOFTIRQ-ON-W at: lock_acquire+0x16f/0x3f0 kernel/locking/lockdep.c:3900 __raw_spin_lock include/linux/spinlock_api_smp.h:142 [inline] _raw_spin_lock+0x2f/0x40 kernel/locking/spinlock.c:144 spin_lock include/linux/spinlock.h:329 [inline] flush_bg_queue+0x1f3/0x3d0 fs/fuse/dev.c:368 fuse_request_send_background_locked+0x26d/0x4e0 fs/fuse/dev.c:609 fuse_request_send_background+0x12b/0x180 fs/fuse/dev.c:617 cuse_send_init fs/fuse/cuse.c:458 [inline] cuse_channel_open+0x5ba/0x830 fs/fuse/cuse.c:518 misc_open+0x395/0x4c0 drivers/char/misc.c:141 chrdev_open+0x245/0x6b0 fs/char_dev.c:423 do_dentry_open+0x4c3/0x1210 fs/open.c:796 vfs_open+0xa0/0xd0 fs/open.c:905 do_last fs/namei.c:3418 [inline] path_openat+0x10d7/0x45e0 fs/namei.c:3534 do_filp_open+0x1a1/0x280 fs/namei.c:3564 do_sys_open+0x3fe/0x550 fs/open.c:1088 __do_sys_openat fs/open.c:1115 [inline] __se_sys_openat fs/open.c:1109 [inline] __x64_sys_openat+0x9d/0x100 fs/open.c:1109 do_syscall_64+0xfd/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe INITIAL USE at: lock_acquire+0x16f/0x3f0 kernel/locking/lockdep.c:3900 __raw_spin_lock include/linux/spinlock_api_smp.h:142 [inline] _raw_spin_lock+0x2f/0x40 kernel/locking/spinlock.c:144 spin_lock include/linux/spinlock.h:329 [inline] flush_bg_queue+0x1f3/0x3d0 fs/fuse/dev.c:368 fuse_request_send_background_locked+0x26d/0x4e0 fs/fuse/dev.c:609 fuse_request_send_background+0x12b/0x180 fs/fuse/dev.c:617 cuse_send_init fs/fuse/cuse.c:458 [inline] cuse_channel_open+0x5ba/0x830 fs/fuse/cuse.c:518 misc_open+0x395/0x4c0 drivers/char/misc.c:141 chrdev_open+0x245/0x6b0 fs/char_dev.c:423 do_dentry_open+0x4c3/0x1210 fs/open.c:796 vfs_open+0xa0/0xd0 fs/open.c:905 do_last fs/namei.c:3418 [inline] path_openat+0x10d7/0x45e0 fs/namei.c:3534 do_filp_open+0x1a1/0x280 fs/namei.c:3564 do_sys_open+0x3fe/0x550 fs/open.c:1088 __do_sys_openat fs/open.c:1115 [inline] __se_sys_openat fs/open.c:1109 [inline] __x64_sys_openat+0x9d/0x100 fs/open.c:1109 do_syscall_64+0xfd/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe } ... key at: [] __key.42217+0x0/0x40 ... acquired at: lock_acquire+0x16f/0x3f0 kernel/locking/lockdep.c:3900 __raw_spin_lock include/linux/spinlock_api_smp.h:142 [inline] _raw_spin_lock+0x2f/0x40 kernel/locking/spinlock.c:144 spin_lock include/linux/spinlock.h:329 [inline] aio_poll fs/aio.c:1741 [inline] __io_submit_one fs/aio.c:1849 [inline] io_submit_one+0xef2/0x2eb0 fs/aio.c:1885 __do_sys_io_submit fs/aio.c:1929 [inline] __se_sys_io_submit fs/aio.c:1900 [inline] __x64_sys_io_submit+0x1aa/0x520 fs/aio.c:1900 do_syscall_64+0xfd/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe stack backtrace: CPU: 0 PID: 8783 Comm: syz-executor.2 Not tainted 4.19.75 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x172/0x1f0 lib/dump_stack.c:113 print_bad_irq_dependency kernel/locking/lockdep.c:1568 [inline] check_usage.cold+0x611/0x946 kernel/locking/lockdep.c:1600 check_irq_usage kernel/locking/lockdep.c:1656 [inline] check_prev_add_irq kernel/locking/lockdep_states.h:8 [inline] check_prev_add kernel/locking/lockdep.c:1866 [inline] check_prevs_add kernel/locking/lockdep.c:1974 [inline] validate_chain kernel/locking/lockdep.c:2415 [inline] __lock_acquire+0x1e8c/0x49c0 kernel/locking/lockdep.c:3411 lock_acquire+0x16f/0x3f0 kernel/locking/lockdep.c:3900 __raw_spin_lock include/linux/spinlock_api_smp.h:142 [inline] _raw_spin_lock+0x2f/0x40 kernel/locking/spinlock.c:144 spin_lock include/linux/spinlock.h:329 [inline] aio_poll fs/aio.c:1741 [inline] __io_submit_one fs/aio.c:1849 [inline] io_submit_one+0xef2/0x2eb0 fs/aio.c:1885 __do_sys_io_submit fs/aio.c:1929 [inline] __se_sys_io_submit fs/aio.c:1900 [inline] __x64_sys_io_submit+0x1aa/0x520 fs/aio.c:1900 do_syscall_64+0xfd/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x459a29 Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:00007f81d34b1c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000d1 RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000459a29 RDX: 0000000020000100 RSI: 0000000000000001 RDI: 00007f81d3491000 RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007f81d34b26d4 R13: 00000000004c0e25 R14: 00000000004d3ff0 R15: 00000000ffffffff audit: type=1800 audit(1569623891.176:86): pid=8781 uid=0 auid=4294967295 ses=4294967295 subj=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 op=collect_data cause=failed comm="syz-executor.4" name="bus" dev="sda1" ino=16626 res=0 kobject: 'loop4' (000000008ba7964f): kobject_uevent_env kobject: 'loop4' (000000008ba7964f): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop5' (00000000911a33cb): kobject_uevent_env kobject: 'loop5' (00000000911a33cb): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'kvm' (00000000861be6ea): kobject_uevent_env kobject: 'loop3' (00000000c7e399ff): kobject_uevent_env kobject: 'kvm' (00000000861be6ea): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'loop3' (00000000c7e399ff): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop5' (00000000911a33cb): kobject_uevent_env kobject: 'loop5' (00000000911a33cb): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop3' (00000000c7e399ff): kobject_uevent_env kobject: 'loop3' (00000000c7e399ff): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop2' (000000000da0ff26): kobject_uevent_env kobject: 'loop2' (000000000da0ff26): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop4' (000000008ba7964f): kobject_uevent_env kobject: 'loop4' (000000008ba7964f): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop5' (00000000911a33cb): kobject_uevent_env kobject: 'loop5' (00000000911a33cb): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop3' (00000000c7e399ff): kobject_uevent_env kobject: 'loop3' (00000000c7e399ff): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop4' (000000008ba7964f): kobject_uevent_env kobject: 'loop4' (000000008ba7964f): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop1' (00000000f9677c89): kobject_uevent_env kobject: 'loop1' (00000000f9677c89): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop3' (00000000c7e399ff): kobject_uevent_env kobject: 'loop2' (000000000da0ff26): kobject_uevent_env kobject: 'loop3' (00000000c7e399ff): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop2' (000000000da0ff26): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop2' (000000000da0ff26): kobject_uevent_env kobject: 'loop2' (000000000da0ff26): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop5' (00000000911a33cb): kobject_uevent_env kobject: 'loop5' (00000000911a33cb): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop2' (000000000da0ff26): kobject_uevent_env kobject: 'loop2' (000000000da0ff26): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop4' (000000008ba7964f): kobject_uevent_env kobject: 'loop4' (000000008ba7964f): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop1' (00000000f9677c89): kobject_uevent_env kobject: 'loop1' (00000000f9677c89): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop3' (00000000c7e399ff): kobject_uevent_env kobject: 'loop3' (00000000c7e399ff): fill_kobj_path: path = '/devices/virtual/block/loop3' EXT4-fs (loop2): Unrecognized mount option "" or missing value kobject: 'loop3' (00000000c7e399ff): kobject_uevent_env kobject: 'loop3' (00000000c7e399ff): fill_kobj_path: path = '/devices/virtual/block/loop3' EXT4-fs (loop2): failed to parse options in superblock:  kobject: 'loop5' (00000000911a33cb): kobject_uevent_env EXT4-fs (loop2): ext4_check_descriptors: Block bitmap for group 0 overlaps superblock kobject: 'loop5' (00000000911a33cb): fill_kobj_path: path = '/devices/virtual/block/loop5' EXT4-fs (loop2): ext4_check_descriptors: Inode bitmap for group 0 overlaps superblock EXT4-fs (loop2): ext4_check_descriptors: Inode table for group 0 overlaps superblock kobject: 'loop1' (00000000f9677c89): kobject_uevent_env kobject: 'loop1' (00000000f9677c89): fill_kobj_path: path = '/devices/virtual/block/loop1' EXT4-fs error (device loop2): ext4_fill_super:4395: inode #2: comm syz-executor.2: iget: root inode unallocated kobject: 'loop3' (00000000c7e399ff): kobject_uevent_env kobject: 'loop3' (00000000c7e399ff): fill_kobj_path: path = '/devices/virtual/block/loop3' EXT4-fs (loop2): get root inode failed EXT4-fs (loop2): mount failed kobject: 'loop2' (000000000da0ff26): kobject_uevent_env kobject: 'loop2' (000000000da0ff26): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop1' (00000000f9677c89): kobject_uevent_env kobject: 'loop1' (00000000f9677c89): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop4' (000000008ba7964f): kobject_uevent_env kobject: 'loop4' (000000008ba7964f): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop3' (00000000c7e399ff): kobject_uevent_env kobject: 'loop2' (000000000da0ff26): kobject_uevent_env kobject: 'loop2' (000000000da0ff26): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop3' (00000000c7e399ff): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop2' (000000000da0ff26): kobject_uevent_env kobject: 'loop2' (000000000da0ff26): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop3' (00000000c7e399ff): kobject_uevent_env kobject: 'loop2' (000000000da0ff26): kobject_uevent_env kobject: 'loop3' (00000000c7e399ff): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop2' (000000000da0ff26): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop5' (00000000911a33cb): kobject_uevent_env kobject: 'loop5' (00000000911a33cb): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop2' (000000000da0ff26): kobject_uevent_env kobject: 'loop2' (000000000da0ff26): fill_kobj_path: path = '/devices/virtual/block/loop2' EXT4-fs (loop2): Unrecognized mount option "" or missing value kobject: 'loop5' (00000000911a33cb): kobject_uevent_env kobject: 'loop5' (00000000911a33cb): fill_kobj_path: path = '/devices/virtual/block/loop5' EXT4-fs (loop2): failed to parse options in superblock:  EXT4-fs (loop2): ext4_check_descriptors: Block bitmap for group 0 overlaps superblock kobject: 'loop4' (000000008ba7964f): kobject_uevent_env kobject: 'loop4' (000000008ba7964f): fill_kobj_path: path = '/devices/virtual/block/loop4' EXT4-fs (loop2): ext4_check_descriptors: Inode bitmap for group 0 overlaps superblock kobject: 'loop1' (00000000f9677c89): kobject_uevent_env kobject: 'loop1' (00000000f9677c89): fill_kobj_path: path = '/devices/virtual/block/loop1' EXT4-fs (loop2): ext4_check_descriptors: Inode table for group 0 overlaps superblock kobject: 'loop3' (00000000c7e399ff): kobject_uevent_env EXT4-fs error (device loop2): ext4_fill_super:4395: inode #2: comm syz-executor.2: iget: root inode unallocated kobject: 'loop3' (00000000c7e399ff): fill_kobj_path: path = '/devices/virtual/block/loop3' EXT4-fs (loop2): get root inode failed kobject: 'loop5' (00000000911a33cb): kobject_uevent_env EXT4-fs (loop2): mount failed kobject: 'loop5' (00000000911a33cb): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop2' (000000000da0ff26): kobject_uevent_env kobject: 'loop2' (000000000da0ff26): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop4' (000000008ba7964f): kobject_uevent_env kobject: 'loop4' (000000008ba7964f): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop3' (00000000c7e399ff): kobject_uevent_env kobject: 'loop3' (00000000c7e399ff): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop1' (00000000f9677c89): kobject_uevent_env kobject: 'loop1' (00000000f9677c89): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop2' (000000000da0ff26): kobject_uevent_env kobject: 'loop2' (000000000da0ff26): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop5' (00000000911a33cb): kobject_uevent_env kobject: 'loop5' (00000000911a33cb): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop4' (000000008ba7964f): kobject_uevent_env kobject: 'loop4' (000000008ba7964f): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop3' (00000000c7e399ff): kobject_uevent_env kobject: 'loop3' (00000000c7e399ff): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop5' (00000000911a33cb): kobject_uevent_env kobject: 'loop5' (00000000911a33cb): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop3' (00000000c7e399ff): kobject_uevent_env kobject: 'loop3' (00000000c7e399ff): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop3' (00000000c7e399ff): kobject_uevent_env kobject: 'loop3' (00000000c7e399ff): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop3' (00000000c7e399ff): kobject_uevent_env kobject: 'loop3' (00000000c7e399ff): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop5' (00000000911a33cb): kobject_uevent_env kobject: 'loop5' (00000000911a33cb): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop3' (00000000c7e399ff): kobject_uevent_env kobject: 'loop3' (00000000c7e399ff): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop4' (000000008ba7964f): kobject_uevent_env kobject: 'loop4' (000000008ba7964f): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop5' (00000000911a33cb): kobject_uevent_env kobject: 'loop5' (00000000911a33cb): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop1' (00000000f9677c89): kobject_uevent_env kobject: 'loop1' (00000000f9677c89): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop3' (00000000c7e399ff): kobject_uevent_env kobject: 'loop3' (00000000c7e399ff): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop3' (00000000c7e399ff): kobject_uevent_env kobject: 'loop3' (00000000c7e399ff): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop2' (000000000da0ff26): kobject_uevent_env kobject: 'loop2' (000000000da0ff26): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop3' (00000000c7e399ff): kobject_uevent_env kobject: 'loop3' (00000000c7e399ff): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop1' (00000000f9677c89): kobject_uevent_env kobject: 'loop1' (00000000f9677c89): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop4' (000000008ba7964f): kobject_uevent_env kobject: 'loop4' (000000008ba7964f): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop3' (00000000c7e399ff): kobject_uevent_env kobject: 'loop3' (00000000c7e399ff): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop1' (00000000f9677c89): kobject_uevent_env kobject: 'loop1' (00000000f9677c89): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop3' (00000000c7e399ff): kobject_uevent_env kobject: 'loop3' (00000000c7e399ff): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop5' (00000000911a33cb): kobject_uevent_env kobject: 'loop5' (00000000911a33cb): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop2' (000000000da0ff26): kobject_uevent_env kobject: 'loop2' (000000000da0ff26): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop3' (00000000c7e399ff): kobject_uevent_env kobject: 'loop3' (00000000c7e399ff): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop1' (00000000f9677c89): kobject_uevent_env kobject: 'loop1' (00000000f9677c89): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop3' (00000000c7e399ff): kobject_uevent_env kobject: 'loop3' (00000000c7e399ff): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop5' (00000000911a33cb): kobject_uevent_env kobject: 'loop5' (00000000911a33cb): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop3' (00000000c7e399ff): kobject_uevent_env kobject: 'loop3' (00000000c7e399ff): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop2' (000000000da0ff26): kobject_uevent_env kobject: 'loop2' (000000000da0ff26): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop1' (00000000f9677c89): kobject_uevent_env kobject: 'loop1' (00000000f9677c89): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop4' (000000008ba7964f): kobject_uevent_env kobject: 'loop4' (000000008ba7964f): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop5' (00000000911a33cb): kobject_uevent_env kobject: 'loop5' (00000000911a33cb): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop5' (00000000911a33cb): kobject_uevent_env kobject: 'loop5' (00000000911a33cb): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop2' (000000000da0ff26): kobject_uevent_env kobject: 'loop2' (000000000da0ff26): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop3' (00000000c7e399ff): kobject_uevent_env kobject: 'loop3' (00000000c7e399ff): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop4' (000000008ba7964f): kobject_uevent_env kobject: 'loop4' (000000008ba7964f): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop3' (00000000c7e399ff): kobject_uevent_env kobject: 'loop3' (00000000c7e399ff): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop1' (00000000f9677c89): kobject_uevent_env kobject: 'loop1' (00000000f9677c89): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop3' (00000000c7e399ff): kobject_uevent_env kobject: 'loop3' (00000000c7e399ff): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop4' (000000008ba7964f): kobject_uevent_env kobject: 'loop4' (000000008ba7964f): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop3' (00000000c7e399ff): kobject_uevent_env kobject: 'loop3' (00000000c7e399ff): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop2' (000000000da0ff26): kobject_uevent_env kobject: 'loop2' (000000000da0ff26): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop1' (00000000f9677c89): kobject_uevent_env kobject: 'loop1' (00000000f9677c89): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop5' (00000000911a33cb): kobject_uevent_env kobject: 'loop5' (00000000911a33cb): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop4' (000000008ba7964f): kobject_uevent_env kobject: 'loop4' (000000008ba7964f): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop5' (00000000911a33cb): kobject_uevent_env kobject: 'loop5' (00000000911a33cb): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop4' (000000008ba7964f): kobject_uevent_env kobject: 'loop4' (000000008ba7964f): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop2' (000000000da0ff26): kobject_uevent_env kobject: 'loop2' (000000000da0ff26): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop5' (00000000911a33cb): kobject_uevent_env kobject: 'loop5' (00000000911a33cb): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop1' (00000000f9677c89): kobject_uevent_env kobject: 'loop1' (00000000f9677c89): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop4' (000000008ba7964f): kobject_uevent_env kobject: 'loop4' (000000008ba7964f): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop1' (00000000f9677c89): kobject_uevent_env kobject: 'loop1' (00000000f9677c89): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop5' (00000000911a33cb): kobject_uevent_env kobject: 'loop5' (00000000911a33cb): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop4' (000000008ba7964f): kobject_uevent_env kobject: 'loop4' (000000008ba7964f): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop2' (000000000da0ff26): kobject_uevent_env kobject: 'loop2' (000000000da0ff26): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop5' (00000000911a33cb): kobject_uevent_env kobject: 'loop5' (00000000911a33cb): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop1' (00000000f9677c89): kobject_uevent_env kobject: 'loop1' (00000000f9677c89): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop4' (000000008ba7964f): kobject_uevent_env kobject: 'loop4' (000000008ba7964f): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop5' (00000000911a33cb): kobject_uevent_env kobject: 'loop5' (00000000911a33cb): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop4' (000000008ba7964f): kobject_uevent_env kobject: 'loop4' (000000008ba7964f): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop1' (00000000f9677c89): kobject_uevent_env kobject: 'loop1' (00000000f9677c89): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop5' (00000000911a33cb): kobject_uevent_env kobject: 'loop5' (00000000911a33cb): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop2' (000000000da0ff26): kobject_uevent_env kobject: 'loop2' (000000000da0ff26): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop4' (000000008ba7964f): kobject_uevent_env kobject: 'loop4' (000000008ba7964f): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop5' (00000000911a33cb): kobject_uevent_env kobject: 'loop5' (00000000911a33cb): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop1' (00000000f9677c89): kobject_uevent_env kobject: 'loop1' (00000000f9677c89): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop4' (000000008ba7964f): kobject_uevent_env kobject: 'loop4' (000000008ba7964f): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop5' (00000000911a33cb): kobject_uevent_env kobject: 'loop5' (00000000911a33cb): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop2' (000000000da0ff26): kobject_uevent_env kobject: 'loop2' (000000000da0ff26): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop4' (000000008ba7964f): kobject_uevent_env kobject: 'loop4' (000000008ba7964f): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop1' (00000000f9677c89): kobject_uevent_env kobject: 'loop1' (00000000f9677c89): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop5' (00000000911a33cb): kobject_uevent_env kobject: 'loop5' (00000000911a33cb): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop5' (00000000911a33cb): kobject_uevent_env kobject: 'loop5' (00000000911a33cb): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop2' (000000000da0ff26): kobject_uevent_env kobject: 'loop2' (000000000da0ff26): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop1' (00000000f9677c89): kobject_uevent_env kobject: 'loop1' (00000000f9677c89): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop4' (000000008ba7964f): kobject_uevent_env kobject: 'loop4' (000000008ba7964f): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop5' (00000000911a33cb): kobject_uevent_env kobject: 'loop5' (00000000911a33cb): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop4' (000000008ba7964f): kobject_uevent_env kobject: 'loop4' (000000008ba7964f): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop1' (00000000f9677c89): kobject_uevent_env kobject: 'loop1' (00000000f9677c89): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop2' (000000000da0ff26): kobject_uevent_env kobject: 'loop2' (000000000da0ff26): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop4' (000000008ba7964f): kobject_uevent_env kobject: 'loop4' (000000008ba7964f): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop5' (00000000911a33cb): kobject_uevent_env kobject: 'loop5' (00000000911a33cb): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop1' (00000000f9677c89): kobject_uevent_env kobject: 'loop1' (00000000f9677c89): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop4' (000000008ba7964f): kobject_uevent_env kobject: 'loop4' (000000008ba7964f): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop2' (000000000da0ff26): kobject_uevent_env kobject: 'loop2' (000000000da0ff26): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop5' (00000000911a33cb): kobject_uevent_env kobject: 'loop5' (00000000911a33cb): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop1' (00000000f9677c89): kobject_uevent_env kobject: 'loop1' (00000000f9677c89): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop5' (00000000911a33cb): kobject_uevent_env kobject: 'loop5' (00000000911a33cb): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop4' (000000008ba7964f): kobject_uevent_env kobject: 'loop4' (000000008ba7964f): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop1' (00000000f9677c89): kobject_uevent_env kobject: 'loop1' (00000000f9677c89): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop4' (000000008ba7964f): kobject_uevent_env kobject: 'loop4' (000000008ba7964f): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop2' (000000000da0ff26): kobject_uevent_env kobject: 'loop2' (000000000da0ff26): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop5' (00000000911a33cb): kobject_uevent_env kobject: 'loop5' (00000000911a33cb): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop4' (000000008ba7964f): kobject_uevent_env kobject: 'loop4' (000000008ba7964f): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop1' (00000000f9677c89): kobject_uevent_env kobject: 'loop1' (00000000f9677c89): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop5' (00000000911a33cb): kobject_uevent_env kobject: 'loop5' (00000000911a33cb): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop4' (000000008ba7964f): kobject_uevent_env kobject: 'loop4' (000000008ba7964f): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop1' (00000000f9677c89): kobject_uevent_env kobject: 'loop1' (00000000f9677c89): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop5' (00000000911a33cb): kobject_uevent_env kobject: 'loop5' (00000000911a33cb): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop2' (000000000da0ff26): kobject_uevent_env kobject: 'loop2' (000000000da0ff26): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop4' (000000008ba7964f): kobject_uevent_env kobject: 'loop4' (000000008ba7964f): fill_kobj_path: path = '/devices/virtual/block/loop4'