====================================================== WARNING: possible circular locking dependency detected 5.0.0-rc8+ #89 Not tainted ------------------------------------------------------ syz-executor.3/32009 is trying to acquire lock: 0000000019e62266 (&sig->cred_guard_mutex){+.+.}, at: lock_trace+0x4a/0xe0 fs/proc/base.c:384 but task is already holding lock: 00000000b57dcc19 (&p->lock){+.+.}, at: seq_read+0x71/0x1130 fs/seq_file.c:161 which lock already depends on the new lock. the existing dependency chain (in reverse order) is: -> #2 (&p->lock){+.+.}: __mutex_lock_common kernel/locking/mutex.c:925 [inline] __mutex_lock+0xf7/0x1310 kernel/locking/mutex.c:1072 kobject: 'loop1' (000000003e16db55): kobject_uevent_env mutex_lock_nested+0x16/0x20 kernel/locking/mutex.c:1087 seq_read+0x71/0x1130 fs/seq_file.c:161 do_loop_readv_writev fs/read_write.c:700 [inline] do_loop_readv_writev fs/read_write.c:687 [inline] do_iter_read+0x4a9/0x660 fs/read_write.c:921 kobject: 'loop1' (000000003e16db55): fill_kobj_path: path = '/devices/virtual/block/loop1' vfs_readv+0xf0/0x160 fs/read_write.c:983 kernel_readv fs/splice.c:362 [inline] default_file_splice_read+0x475/0x890 fs/splice.c:417 do_splice_to+0x12a/0x190 fs/splice.c:880 do_splice+0xf7c/0x1330 fs/splice.c:1178 kobject: 'loop4' (0000000002e7a362): kobject_uevent_env __do_sys_splice fs/splice.c:1419 [inline] __se_sys_splice fs/splice.c:1399 [inline] __ia32_sys_splice+0x2c4/0x330 fs/splice.c:1399 do_syscall_32_irqs_on arch/x86/entry/common.c:326 [inline] do_fast_syscall_32+0x281/0xc98 arch/x86/entry/common.c:397 kobject: 'loop4' (0000000002e7a362): fill_kobj_path: path = '/devices/virtual/block/loop4' entry_SYSENTER_compat+0x70/0x7f arch/x86/entry/entry_64_compat.S:139 -> #1 (&pipe->mutex/1){+.+.}: __mutex_lock_common kernel/locking/mutex.c:925 [inline] __mutex_lock+0xf7/0x1310 kernel/locking/mutex.c:1072 mutex_lock_nested+0x16/0x20 kernel/locking/mutex.c:1087 __pipe_lock fs/pipe.c:83 [inline] fifo_open+0x159/0xb00 fs/pipe.c:905 do_dentry_open+0x47d/0x1130 fs/open.c:771 vfs_open+0xa0/0xd0 fs/open.c:880 kobject: 'loop5' (00000000fcc9615f): kobject_uevent_env do_last fs/namei.c:3418 [inline] path_openat+0x10d7/0x4690 fs/namei.c:3534 do_filp_open+0x1a1/0x280 fs/namei.c:3564 do_open_execat+0x13b/0x6d0 fs/exec.c:856 __do_execve_file.isra.0+0x178d/0x23f0 fs/exec.c:1758 do_execveat_common fs/exec.c:1865 [inline] compat_do_execve fs/exec.c:1909 [inline] __do_compat_sys_execve fs/exec.c:1984 [inline] __se_compat_sys_execve fs/exec.c:1980 [inline] __ia32_compat_sys_execve+0x94/0xc0 fs/exec.c:1980 do_syscall_32_irqs_on arch/x86/entry/common.c:326 [inline] do_fast_syscall_32+0x281/0xc98 arch/x86/entry/common.c:397 entry_SYSENTER_compat+0x70/0x7f arch/x86/entry/entry_64_compat.S:139 -> #0 (&sig->cred_guard_mutex){+.+.}: lock_acquire+0x16f/0x3f0 kernel/locking/lockdep.c:3841 __mutex_lock_common kernel/locking/mutex.c:925 [inline] __mutex_lock+0xf7/0x1310 kernel/locking/mutex.c:1072 mutex_lock_killable_nested+0x16/0x20 kernel/locking/mutex.c:1102 lock_trace+0x4a/0xe0 fs/proc/base.c:384 proc_pid_personality+0x1c/0xd0 fs/proc/base.c:2895 proc_single_show+0xf6/0x180 fs/proc/base.c:739 traverse fs/seq_file.c:113 [inline] traverse+0x1d6/0x760 fs/seq_file.c:91 seq_read+0x8f8/0x1130 fs/seq_file.c:188 do_loop_readv_writev fs/read_write.c:700 [inline] do_loop_readv_writev fs/read_write.c:687 [inline] do_iter_read+0x4a9/0x660 fs/read_write.c:921 compat_readv+0x18e/0x200 fs/read_write.c:1164 do_compat_preadv64+0x190/0x1c0 fs/read_write.c:1213 __do_compat_sys_preadv fs/read_write.c:1233 [inline] __se_compat_sys_preadv fs/read_write.c:1227 [inline] __ia32_compat_sys_preadv+0xc7/0x140 fs/read_write.c:1227 do_syscall_32_irqs_on arch/x86/entry/common.c:326 [inline] do_fast_syscall_32+0x281/0xc98 arch/x86/entry/common.c:397 entry_SYSENTER_compat+0x70/0x7f arch/x86/entry/entry_64_compat.S:139 other info that might help us debug this: Chain exists of: &sig->cred_guard_mutex --> &pipe->mutex/1 --> &p->lock Possible unsafe locking scenario: CPU0 CPU1 ---- ---- lock(&p->lock); lock(&pipe->mutex/1); lock(&p->lock); lock(&sig->cred_guard_mutex); *** DEADLOCK *** 1 lock held by syz-executor.3/32009: #0: 00000000b57dcc19 (&p->lock){+.+.}, at: seq_read+0x71/0x1130 fs/seq_file.c:161 stack backtrace: CPU: 1 PID: 32009 Comm: syz-executor.3 Not tainted 5.0.0-rc8+ #89 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_circular_bug.isra.0.cold+0x1cc/0x28f kernel/locking/lockdep.c:1224 check_prev_add kernel/locking/lockdep.c:1866 [inline] check_prevs_add kernel/locking/lockdep.c:1979 [inline] validate_chain kernel/locking/lockdep.c:2350 [inline] __lock_acquire+0x2f00/0x4700 kernel/locking/lockdep.c:3338 lock_acquire+0x16f/0x3f0 kernel/locking/lockdep.c:3841 __mutex_lock_common kernel/locking/mutex.c:925 [inline] __mutex_lock+0xf7/0x1310 kernel/locking/mutex.c:1072 mutex_lock_killable_nested+0x16/0x20 kernel/locking/mutex.c:1102 lock_trace+0x4a/0xe0 fs/proc/base.c:384 proc_pid_personality+0x1c/0xd0 fs/proc/base.c:2895 proc_single_show+0xf6/0x180 fs/proc/base.c:739 traverse fs/seq_file.c:113 [inline] traverse+0x1d6/0x760 fs/seq_file.c:91 seq_read+0x8f8/0x1130 fs/seq_file.c:188 do_loop_readv_writev fs/read_write.c:700 [inline] do_loop_readv_writev fs/read_write.c:687 [inline] do_iter_read+0x4a9/0x660 fs/read_write.c:921 compat_readv+0x18e/0x200 fs/read_write.c:1164 do_compat_preadv64+0x190/0x1c0 fs/read_write.c:1213 __do_compat_sys_preadv fs/read_write.c:1233 [inline] __se_compat_sys_preadv fs/read_write.c:1227 [inline] __ia32_compat_sys_preadv+0xc7/0x140 fs/read_write.c:1227 do_syscall_32_irqs_on arch/x86/entry/common.c:326 [inline] do_fast_syscall_32+0x281/0xc98 arch/x86/entry/common.c:397 entry_SYSENTER_compat+0x70/0x7f arch/x86/entry/entry_64_compat.S:139 RIP: 0023:0xf7f10869 Code: 85 d2 74 02 89 0a 5b 5d c3 8b 04 24 c3 8b 14 24 c3 8b 3c 24 c3 90 90 90 90 90 90 90 90 90 90 90 90 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 eb 0d 90 90 90 90 90 90 90 90 90 90 90 90 RSP: 002b:00000000f5d0c0cc EFLAGS: 00000296 ORIG_RAX: 000000000000014d RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 0000000020000480 RDX: 00000000000001e3 RSI: 0000000040000000 RDI: 0000000000000000 RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 kobject: 'loop5' (00000000fcc9615f): fill_kobj_path: path = '/devices/virtual/block/loop5' netlink: 'syz-executor.0': attribute type 10 has an invalid length. kobject: 'loop2' (00000000c0b9ad01): kobject_uevent_env kobject: 'loop2' (00000000c0b9ad01): fill_kobj_path: path = '/devices/virtual/block/loop2' netlink: 1 bytes leftover after parsing attributes in process `syz-executor.0'. kobject: 'loop4' (0000000002e7a362): kobject_uevent_env kobject: 'loop4' (0000000002e7a362): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop3' (000000007b8d42f0): kobject_uevent_env kobject: 'loop3' (000000007b8d42f0): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop1' (000000003e16db55): kobject_uevent_env kobject: 'loop1' (000000003e16db55): fill_kobj_path: path = '/devices/virtual/block/loop1' netlink: 'syz-executor.0': attribute type 10 has an invalid length. netlink: 1 bytes leftover after parsing attributes in process `syz-executor.0'. kobject: 'loop2' (00000000c0b9ad01): kobject_uevent_env kobject: 'loop2' (00000000c0b9ad01): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop3' (000000007b8d42f0): kobject_uevent_env kobject: 'loop3' (000000007b8d42f0): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop4' (0000000002e7a362): kobject_uevent_env kobject: 'loop4' (0000000002e7a362): fill_kobj_path: path = '/devices/virtual/block/loop4' netlink: 'syz-executor.0': attribute type 10 has an invalid length. kobject: 'loop5' (00000000fcc9615f): kobject_uevent_env netlink: 1 bytes leftover after parsing attributes in process `syz-executor.0'. kobject: 'loop5' (00000000fcc9615f): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop2' (00000000c0b9ad01): kobject_uevent_env kobject: 'loop2' (00000000c0b9ad01): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop1' (000000003e16db55): kobject_uevent_env kobject: 'loop1' (000000003e16db55): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop3' (000000007b8d42f0): kobject_uevent_env kobject: 'loop3' (000000007b8d42f0): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop2' (00000000c0b9ad01): kobject_uevent_env kobject: 'loop2' (00000000c0b9ad01): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop4' (0000000002e7a362): kobject_uevent_env kobject: 'loop4' (0000000002e7a362): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop1' (000000003e16db55): kobject_uevent_env kobject: 'loop1' (000000003e16db55): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop3' (000000007b8d42f0): kobject_uevent_env kobject: 'loop3' (000000007b8d42f0): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop5' (00000000fcc9615f): kobject_uevent_env kobject: 'loop5' (00000000fcc9615f): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop4' (0000000002e7a362): kobject_uevent_env kobject: 'loop4' (0000000002e7a362): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop5' (00000000fcc9615f): kobject_uevent_env kobject: 'loop5' (00000000fcc9615f): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop3' (000000007b8d42f0): kobject_uevent_env kobject: 'loop3' (000000007b8d42f0): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop4' (0000000002e7a362): kobject_uevent_env kobject: 'loop4' (0000000002e7a362): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop2' (00000000c0b9ad01): kobject_uevent_env kobject: 'loop2' (00000000c0b9ad01): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop5' (00000000fcc9615f): kobject_uevent_env kobject: 'loop5' (00000000fcc9615f): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop3' (000000007b8d42f0): kobject_uevent_env kobject: 'loop3' (000000007b8d42f0): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop1' (000000003e16db55): kobject_uevent_env kobject: 'loop1' (000000003e16db55): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop2' (00000000c0b9ad01): kobject_uevent_env kobject: 'loop2' (00000000c0b9ad01): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop4' (0000000002e7a362): kobject_uevent_env kobject: 'loop4' (0000000002e7a362): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop5' (00000000fcc9615f): kobject_uevent_env kobject: 'loop5' (00000000fcc9615f): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop1' (000000003e16db55): kobject_uevent_env kobject: 'loop1' (000000003e16db55): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop2' (00000000c0b9ad01): kobject_uevent_env kobject: 'loop2' (00000000c0b9ad01): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop5' (00000000fcc9615f): kobject_uevent_env kobject: 'loop5' (00000000fcc9615f): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop4' (0000000002e7a362): kobject_uevent_env kobject: 'loop4' (0000000002e7a362): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop1' (000000003e16db55): kobject_uevent_env kobject: 'loop1' (000000003e16db55): fill_kobj_path: path = '/devices/virtual/block/loop1' validate_nla: 11 callbacks suppressed netlink: 'syz-executor.0': attribute type 10 has an invalid length. kobject: 'loop1' (000000003e16db55): kobject_uevent_env kobject: 'loop1' (000000003e16db55): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop5' (00000000fcc9615f): kobject_uevent_env __nla_parse: 11 callbacks suppressed netlink: 1 bytes leftover after parsing attributes in process `syz-executor.0'. kobject: 'loop5' (00000000fcc9615f): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop1' (000000003e16db55): kobject_uevent_env kobject: 'loop1' (000000003e16db55): fill_kobj_path: path = '/devices/virtual/block/loop1' netlink: 'syz-executor.0': attribute type 10 has an invalid length. netlink: 1 bytes leftover after parsing attributes in process `syz-executor.0'. kobject: 'loop4' (0000000002e7a362): kobject_uevent_env kobject: 'loop4' (0000000002e7a362): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop1' (000000003e16db55): kobject_uevent_env kobject: 'loop1' (000000003e16db55): fill_kobj_path: path = '/devices/virtual/block/loop1' netlink: 'syz-executor.0': attribute type 10 has an invalid length. kobject: 'loop5' (00000000fcc9615f): kobject_uevent_env kobject: 'loop5' (00000000fcc9615f): fill_kobj_path: path = '/devices/virtual/block/loop5' netlink: 1 bytes leftover after parsing attributes in process `syz-executor.0'. kobject: 'loop4' (0000000002e7a362): kobject_uevent_env kobject: 'loop4' (0000000002e7a362): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop3' (000000007b8d42f0): kobject_uevent_env kobject: 'loop3' (000000007b8d42f0): fill_kobj_path: path = '/devices/virtual/block/loop3' netlink: 'syz-executor.0': attribute type 10 has an invalid length. kobject: 'loop1' (000000003e16db55): kobject_uevent_env netlink: 1 bytes leftover after parsing attributes in process `syz-executor.0'. kobject: 'loop1' (000000003e16db55): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop2' (00000000c0b9ad01): kobject_uevent_env kobject: 'loop2' (00000000c0b9ad01): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop5' (00000000fcc9615f): kobject_uevent_env netlink: 'syz-executor.0': attribute type 10 has an invalid length. kobject: 'loop5' (00000000fcc9615f): fill_kobj_path: path = '/devices/virtual/block/loop5' netlink: 1 bytes leftover after parsing attributes in process `syz-executor.0'. kobject: 'loop1' (000000003e16db55): kobject_uevent_env kobject: 'loop1' (000000003e16db55): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop2' (00000000c0b9ad01): kobject_uevent_env kobject: 'loop2' (00000000c0b9ad01): fill_kobj_path: path = '/devices/virtual/block/loop2' netlink: 'syz-executor.0': attribute type 10 has an invalid length. kobject: 'loop3' (000000007b8d42f0): kobject_uevent_env kobject: 'loop3' (000000007b8d42f0): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop3' (000000007b8d42f0): kobject_uevent_env netlink: 1 bytes leftover after parsing attributes in process `syz-executor.0'. kobject: 'loop3' (000000007b8d42f0): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop1' (000000003e16db55): kobject_uevent_env kobject: 'loop1' (000000003e16db55): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop5' (00000000fcc9615f): kobject_uevent_env kobject: 'loop5' (00000000fcc9615f): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop3' (000000007b8d42f0): kobject_uevent_env kobject: 'loop3' (000000007b8d42f0): fill_kobj_path: path = '/devices/virtual/block/loop3' netlink: 'syz-executor.0': attribute type 10 has an invalid length. kobject: 'loop1' (000000003e16db55): kobject_uevent_env netlink: 1 bytes leftover after parsing attributes in process `syz-executor.0'. kobject: 'loop1' (000000003e16db55): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop5' (00000000fcc9615f): kobject_uevent_env kobject: 'loop5' (00000000fcc9615f): fill_kobj_path: path = '/devices/virtual/block/loop5' netlink: 'syz-executor.0': attribute type 10 has an invalid length. kobject: 'loop2' (00000000c0b9ad01): kobject_uevent_env kobject: 'loop2' (00000000c0b9ad01): fill_kobj_path: path = '/devices/virtual/block/loop2' netlink: 1 bytes leftover after parsing attributes in process `syz-executor.0'. kobject: 'loop1' (000000003e16db55): kobject_uevent_env kobject: 'loop1' (000000003e16db55): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop5' (00000000fcc9615f): kobject_uevent_env kobject: 'loop5' (00000000fcc9615f): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop3' (000000007b8d42f0): kobject_uevent_env kobject: 'loop3' (000000007b8d42f0): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop4' (0000000002e7a362): kobject_uevent_env kobject: 'loop4' (0000000002e7a362): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop5' (00000000fcc9615f): kobject_uevent_env kobject: 'loop5' (00000000fcc9615f): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop3' (000000007b8d42f0): kobject_uevent_env kobject: 'loop3' (000000007b8d42f0): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop2' (00000000c0b9ad01): kobject_uevent_env kobject: 'loop2' (00000000c0b9ad01): fill_kobj_path: path = '/devices/virtual/block/loop2' netlink: 'syz-executor.0': attribute type 10 has an invalid length. netlink: 1 bytes leftover after parsing attributes in process `syz-executor.0'. kobject: 'loop5' (00000000fcc9615f): kobject_uevent_env kobject: 'loop5' (00000000fcc9615f): fill_kobj_path: path = '/devices/virtual/block/loop5' netlink: 'syz-executor.0': attribute type 10 has an invalid length. kobject: 'loop3' (000000007b8d42f0): kobject_uevent_env kobject: 'loop3' (000000007b8d42f0): fill_kobj_path: path = '/devices/virtual/block/loop3' netlink: 1 bytes leftover after parsing attributes in process `syz-executor.0'. kobject: 'loop5' (00000000fcc9615f): kobject_uevent_env kobject: 'loop5' (00000000fcc9615f): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop3' (000000007b8d42f0): kobject_uevent_env kobject: 'loop3' (000000007b8d42f0): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop5' (00000000fcc9615f): kobject_uevent_env kobject: 'loop5' (00000000fcc9615f): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop4' (0000000002e7a362): kobject_uevent_env kobject: 'loop4' (0000000002e7a362): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop2' (00000000c0b9ad01): kobject_uevent_env kobject: 'loop2' (00000000c0b9ad01): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop5' (00000000fcc9615f): kobject_uevent_env kobject: 'loop5' (00000000fcc9615f): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop2' (00000000c0b9ad01): kobject_uevent_env kobject: 'loop2' (00000000c0b9ad01): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop3' (000000007b8d42f0): kobject_uevent_env kobject: 'loop3' (000000007b8d42f0): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop5' (00000000fcc9615f): kobject_uevent_env kobject: 'loop5' (00000000fcc9615f): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop2' (00000000c0b9ad01): kobject_uevent_env kobject: 'loop2' (00000000c0b9ad01): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop5' (00000000fcc9615f): kobject_uevent_env kobject: 'loop5' (00000000fcc9615f): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop2' (00000000c0b9ad01): kobject_uevent_env kobject: 'loop2' (00000000c0b9ad01): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop4' (0000000002e7a362): kobject_uevent_env kobject: 'loop4' (0000000002e7a362): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop1' (000000003e16db55): kobject_uevent_env kobject: 'loop1' (000000003e16db55): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop2' (00000000c0b9ad01): kobject_uevent_env kobject: 'loop2' (00000000c0b9ad01): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop1' (000000003e16db55): kobject_uevent_env kobject: 'loop1' (000000003e16db55): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop5' (00000000fcc9615f): kobject_uevent_env kobject: 'loop5' (00000000fcc9615f): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop1' (000000003e16db55): kobject_uevent_env kobject: 'loop1' (000000003e16db55): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop5' (00000000fcc9615f): kobject_uevent_env kobject: 'loop5' (00000000fcc9615f): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop2' (00000000c0b9ad01): kobject_uevent_env kobject: 'loop2' (00000000c0b9ad01): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop1' (000000003e16db55): kobject_uevent_env kobject: 'loop1' (000000003e16db55): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop4' (0000000002e7a362): kobject_uevent_env kobject: 'loop4' (0000000002e7a362): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop5' (00000000fcc9615f): kobject_uevent_env kobject: 'loop5' (00000000fcc9615f): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop1' (000000003e16db55): kobject_uevent_env kobject: 'loop1' (000000003e16db55): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop2' (00000000c0b9ad01): kobject_uevent_env kobject: 'loop2' (00000000c0b9ad01): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop3' (000000007b8d42f0): kobject_uevent_env kobject: 'loop3' (000000007b8d42f0): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop1' (000000003e16db55): kobject_uevent_env kobject: 'loop1' (000000003e16db55): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop2' (00000000c0b9ad01): kobject_uevent_env kobject: 'loop2' (00000000c0b9ad01): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop4' (0000000002e7a362): kobject_uevent_env kobject: 'loop4' (0000000002e7a362): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop2' (00000000c0b9ad01): kobject_uevent_env kobject: 'loop2' (00000000c0b9ad01): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop1' (000000003e16db55): kobject_uevent_env kobject: 'loop1' (000000003e16db55): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop1' (000000003e16db55): kobject_uevent_env kobject: 'loop1' (000000003e16db55): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop2' (00000000c0b9ad01): kobject_uevent_env kobject: 'loop2' (00000000c0b9ad01): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop3' (000000007b8d42f0): kobject_uevent_env kobject: 'loop3' (000000007b8d42f0): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop1' (000000003e16db55): kobject_uevent_env kobject: 'loop1' (000000003e16db55): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop4' (0000000002e7a362): kobject_uevent_env kobject: 'loop4' (0000000002e7a362): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop2' (00000000c0b9ad01): kobject_uevent_env kobject: 'loop2' (00000000c0b9ad01): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop1' (000000003e16db55): kobject_uevent_env kobject: 'loop1' (000000003e16db55): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop3' (000000007b8d42f0): kobject_uevent_env kobject: 'loop3' (000000007b8d42f0): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop1' (000000003e16db55): kobject_uevent_env kobject: 'loop1' (000000003e16db55): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop5' (00000000fcc9615f): kobject_uevent_env kobject: 'loop5' (00000000fcc9615f): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop2' (00000000c0b9ad01): kobject_uevent_env kobject: 'loop2' (00000000c0b9ad01): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop1' (000000003e16db55): kobject_uevent_env kobject: 'loop1' (000000003e16db55): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop3' (000000007b8d42f0): kobject_uevent_env kobject: 'loop3' (000000007b8d42f0): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop1' (000000003e16db55): kobject_uevent_env binder: 32498:32500 ioctl 540e 0 returned -22 kobject: 'loop1' (000000003e16db55): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop5' (00000000fcc9615f): kobject_uevent_env kobject: 'loop5' (00000000fcc9615f): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop2' (00000000c0b9ad01): kobject_uevent_env kobject: 'loop2' (00000000c0b9ad01): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop3' (000000007b8d42f0): kobject_uevent_env kobject: 'loop3' (000000007b8d42f0): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop1' (000000003e16db55): kobject_uevent_env kobject: 'loop1' (000000003e16db55): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop5' (00000000fcc9615f): kobject_uevent_env kobject: 'loop5' (00000000fcc9615f): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop2' (00000000c0b9ad01): kobject_uevent_env kobject: 'loop2' (00000000c0b9ad01): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop3' (000000007b8d42f0): kobject_uevent_env kobject: 'loop3' (000000007b8d42f0): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop1' (000000003e16db55): kobject_uevent_env kobject: 'loop1' (000000003e16db55): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop4' (0000000002e7a362): kobject_uevent_env kobject: 'loop4' (0000000002e7a362): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop1' (000000003e16db55): kobject_uevent_env kobject: 'loop1' (000000003e16db55): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop2' (00000000c0b9ad01): kobject_uevent_env kobject: 'loop2' (00000000c0b9ad01): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop3' (000000007b8d42f0): kobject_uevent_env kobject: 'loop3' (000000007b8d42f0): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop1' (000000003e16db55): kobject_uevent_env kobject: 'loop1' (000000003e16db55): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop1' (000000003e16db55): kobject_uevent_env kobject: 'loop1' (000000003e16db55): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop2' (00000000c0b9ad01): kobject_uevent_env kobject: 'loop2' (00000000c0b9ad01): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop3' (000000007b8d42f0): kobject_uevent_env kobject: 'loop3' (000000007b8d42f0): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop4' (0000000002e7a362): kobject_uevent_env kobject: 'loop4' (0000000002e7a362): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop2' (00000000c0b9ad01): kobject_uevent_env kobject: 'loop2' (00000000c0b9ad01): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop5' (00000000fcc9615f): kobject_uevent_env kobject: 'loop5' (00000000fcc9615f): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop2' (00000000c0b9ad01): kobject_uevent_env kobject: 'loop2' (00000000c0b9ad01): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop5' (00000000fcc9615f): kobject_uevent_env kobject: 'loop5' (00000000fcc9615f): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop2' (00000000c0b9ad01): kobject_uevent_env kobject: 'loop2' (00000000c0b9ad01): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop4' (0000000002e7a362): kobject_uevent_env kobject: 'loop4' (0000000002e7a362): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop3' (000000007b8d42f0): kobject_uevent_env kobject: 'loop3' (000000007b8d42f0): fill_kobj_path: path = '/devices/virtual/block/loop3' validate_nla: 16 callbacks suppressed netlink: 'syz-executor.0': attribute type 10 has an invalid length. QAT: Invalid ioctl __nla_parse: 16 callbacks suppressed netlink: 1 bytes leftover after parsing attributes in process `syz-executor.0'. QAT: Invalid ioctl netlink: 'syz-executor.0': attribute type 10 has an invalid length. netlink: 1 bytes leftover after parsing attributes in process `syz-executor.0'. netlink: 'syz-executor.0': attribute type 10 has an invalid length. netlink: 1 bytes leftover after parsing attributes in process `syz-executor.0'. netlink: 'syz-executor.0': attribute type 10 has an invalid length. kobject: 'loop3' (000000007b8d42f0): kobject_uevent_env netlink: 1 bytes leftover after parsing attributes in process `syz-executor.0'. kobject: 'loop3' (000000007b8d42f0): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop2' (00000000c0b9ad01): kobject_uevent_env kobject: 'loop2' (00000000c0b9ad01): fill_kobj_path: path = '/devices/virtual/block/loop2' netlink: 'syz-executor.0': attribute type 10 has an invalid length. kobject: 'loop4' (0000000002e7a362): kobject_uevent_env kobject: 'loop4' (0000000002e7a362): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop2' (00000000c0b9ad01): kobject_uevent_env netlink: 1 bytes leftover after parsing attributes in process `syz-executor.0'. kobject: 'loop2' (00000000c0b9ad01): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop3' (000000007b8d42f0): kobject_uevent_env kobject: 'loop3' (000000007b8d42f0): fill_kobj_path: path = '/devices/virtual/block/loop3' netlink: 'syz-executor.0': attribute type 10 has an invalid length. kobject: 'kvm' (000000008786c1d3): kobject_uevent_env kobject: 'loop4' (0000000002e7a362): kobject_uevent_env netlink: 1 bytes leftover after parsing attributes in process `syz-executor.0'. kobject: 'loop4' (0000000002e7a362): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'kvm' (000000008786c1d3): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'loop3' (000000007b8d42f0): kobject_uevent_env kobject: 'loop3' (000000007b8d42f0): fill_kobj_path: path = '/devices/virtual/block/loop3' netlink: 'syz-executor.0': attribute type 10 has an invalid length. kobject: 'kvm' (000000008786c1d3): kobject_uevent_env netlink: 1 bytes leftover after parsing attributes in process `syz-executor.0'.