bond0: Enslaving team0 as an active interface with an up link device team0 left promiscuous mode device team_slave_0 left promiscuous mode ====================================================== device team_slave_1 left promiscuous mode WARNING: possible circular locking dependency detected 4.14.290-syzkaller #0 Not tainted ------------------------------------------------------ syz-executor.5/10693 is trying to acquire lock: ((&strp->work)){+.+.}, at: [] flush_work+0x88/0x770 kernel/workqueue.c:2887 but task is already holding lock: (sk_lock-AF_INET){+.+.}, at: [] lock_sock include/net/sock.h:1473 [inline] (sk_lock-AF_INET){+.+.}, at: [] kcm_attach net/kcm/kcmsock.c:1390 [inline] (sk_lock-AF_INET){+.+.}, at: [] kcm_attach_ioctl net/kcm/kcmsock.c:1490 [inline] (sk_lock-AF_INET){+.+.}, at: [] kcm_ioctl+0x328/0xfb0 net/kcm/kcmsock.c:1701 which lock already depends on the new lock. the existing dependency chain (in reverse order) is: -> #1 (sk_lock-AF_INET){+.+.}: lock_sock_nested+0xb7/0x100 net/core/sock.c:2813 bridge0: port 3(team0) entered disabled state do_strp_work net/strparser/strparser.c:415 [inline] strp_work+0x3e/0x100 net/strparser/strparser.c:434 process_one_work+0x793/0x14a0 kernel/workqueue.c:2117 worker_thread+0x5cc/0xff0 kernel/workqueue.c:2251 kthread+0x30d/0x420 kernel/kthread.c:232 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:404 -> #0 ((&strp->work)){+.+.}: lock_acquire+0x170/0x3f0 kernel/locking/lockdep.c:3998 flush_work+0xad/0x770 kernel/workqueue.c:2890 __cancel_work_timer+0x321/0x460 kernel/workqueue.c:2965 strp_done+0x53/0xd0 net/strparser/strparser.c:519 kcm_attach net/kcm/kcmsock.c:1429 [inline] kcm_attach_ioctl net/kcm/kcmsock.c:1490 [inline] kcm_ioctl+0x828/0xfb0 net/kcm/kcmsock.c:1701 sock_do_ioctl net/socket.c:974 [inline] sock_ioctl+0x2cc/0x4c0 net/socket.c:1071 vfs_ioctl fs/ioctl.c:46 [inline] file_ioctl fs/ioctl.c:500 [inline] do_vfs_ioctl+0x75a/0xff0 fs/ioctl.c:684 SYSC_ioctl fs/ioctl.c:701 [inline] SyS_ioctl+0x7f/0xb0 fs/ioctl.c:692 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x46/0xbb other info that might help us debug this: Possible unsafe locking scenario: CPU0 CPU1 ---- ---- lock(sk_lock-AF_INET); lock((&strp->work)); lock(sk_lock-AF_INET); lock((&strp->work)); *** DEADLOCK *** 1 lock held by syz-executor.5/10693: #0: (sk_lock-AF_INET){+.+.}, at: [] lock_sock include/net/sock.h:1473 [inline] #0: (sk_lock-AF_INET){+.+.}, at: [] kcm_attach net/kcm/kcmsock.c:1390 [inline] #0: (sk_lock-AF_INET){+.+.}, at: [] kcm_attach_ioctl net/kcm/kcmsock.c:1490 [inline] #0: (sk_lock-AF_INET){+.+.}, at: [] kcm_ioctl+0x328/0xfb0 net/kcm/kcmsock.c:1701 stack backtrace: CPU: 1 PID: 10693 Comm: syz-executor.5 Not tainted 4.14.290-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 Call Trace: __dump_stack lib/dump_stack.c:17 [inline] dump_stack+0x1b2/0x281 lib/dump_stack.c:58 print_circular_bug.constprop.0.cold+0x2d7/0x41e kernel/locking/lockdep.c:1258 check_prev_add kernel/locking/lockdep.c:1905 [inline] check_prevs_add kernel/locking/lockdep.c:2022 [inline] validate_chain kernel/locking/lockdep.c:2464 [inline] __lock_acquire+0x2e0e/0x3f20 kernel/locking/lockdep.c:3491 lock_acquire+0x170/0x3f0 kernel/locking/lockdep.c:3998 flush_work+0xad/0x770 kernel/workqueue.c:2890 __cancel_work_timer+0x321/0x460 kernel/workqueue.c:2965 strp_done+0x53/0xd0 net/strparser/strparser.c:519 kcm_attach net/kcm/kcmsock.c:1429 [inline] kcm_attach_ioctl net/kcm/kcmsock.c:1490 [inline] kcm_ioctl+0x828/0xfb0 net/kcm/kcmsock.c:1701 sock_do_ioctl net/socket.c:974 [inline] sock_ioctl+0x2cc/0x4c0 net/socket.c:1071 vfs_ioctl fs/ioctl.c:46 [inline] file_ioctl fs/ioctl.c:500 [inline] do_vfs_ioctl+0x75a/0xff0 fs/ioctl.c:684 SYSC_ioctl fs/ioctl.c:701 [inline] SyS_ioctl+0x7f/0xb0 fs/ioctl.c:692 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x46/0xbb RIP: 0033:0x7fbf10c97279 RSP: 002b:00007fbf0f5eb168 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00007fbf10daa050 RCX: 00007fbf10c97279 RDX: 0000000020000380 RSI: 00000000000089e0 RDI: 0000000000000007 RBP: 00007fbf10cf1189 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffecbc5646f R14: 00007fbf0f5eb300 R15: 0000000000022000 uinput: write device info first input: syz0 as /devices/virtual/input/input5 8021q: adding VLAN 0 to HW filter on device team0 bond0: Enslaving team0 as an active interface with an up link bond0: Releasing backup interface team0 uinput: write device info first bridge0: port 3(team0) entered blocking state input: syz0 as /devices/virtual/input/input6 bridge0: port 3(team0) entered disabled state device team0 entered promiscuous mode uinput: write device info first input: syz0 as /devices/virtual/input/input7 uinput: write device info first device team_slave_0 entered promiscuous mode uinput: write device info first uinput: write device info first uinput: write device info first uinput: write device info first uinput: write device info first device team_slave_1 entered promiscuous mode uinput: write device info first bond0: Releasing backup interface team0 uinput: write device info first bridge0: port 3(team0) entered blocking state uinput: write device info first uinput: write device info first uinput: write device info first bridge0: port 3(team0) entered disabled state uinput: write device info first uinput: write device info first uinput: write device info first uinput: write device info first uinput: write device info first uinput: write device info first uinput: write device info first device team0 entered promiscuous mode uinput: write device info first uinput: write device info first uinput: write device info first uinput: write device info first uinput: write device info first device team_slave_0 entered promiscuous mode uinput: write device info first uinput: write device info first uinput: write device info first uinput: write device info first device team_slave_1 entered promiscuous mode uinput: write device info first uinput: write device info first device team0 left promiscuous mode device team_slave_0 left promiscuous mode device team_slave_1 left promiscuous mode uinput: write device info first uinput: write device info first uinput: write device info first bridge0: port 3(team0) entered disabled state uinput: write device info first input: syz0 as /devices/virtual/input/input8 uinput: write device info first 8021q: adding VLAN 0 to HW filter on device team0 uinput: write device info first bond0: Enslaving team0 as an active interface with an up link uinput: write device info first uinput: write device info first uinput: write device info first bond0: Releasing backup interface team0 uinput: write device info first uinput: write device info first uinput: write device info first uinput: write device info first uinput: write device info first uinput: write device info first uinput: write device info first uinput: write device info first uinput: write device info first uinput: write device info first uinput: write device info first input: syz0 as /devices/virtual/input/input9 bridge0: port 3(team0) entered blocking state uinput: write device info first bridge0: port 3(team0) entered disabled state uinput: write device info first uinput: write device info first uinput: write device info first device team0 entered promiscuous mode uinput: write device info first device team_slave_0 entered promiscuous mode uinput: write device info first device team_slave_1 entered promiscuous mode uinput: write device info first uinput: write device info first uinput: write device info first uinput: write device info first uinput: write device info first uinput: write device info first uinput: write device info first uinput: write device info first uinput: write device info first input: syz0 as /devices/virtual/input/input10 input: syz0 as /devices/virtual/input/input11 uinput: write device info first uinput: write device info first uinput: write device info first uinput: write device info first uinput: write device info first uinput: write device info first F2FS-fs (loop5): Magic Mismatch, valid(0xf2f52010) - read(0x0) uinput: write device info first uinput: write device info first audit: type=1800 audit(1661185392.526:2): pid=10872 uid=0 auid=4294967295 ses=4294967295 op="collect_data" cause="failed(directio)" comm="syz-executor.0" name="file0" dev="sda1" ino=13879 res=0 F2FS-fs (loop5): Can't find valid F2FS filesystem in 2th superblock uinput: write device info first uinput: write device info first F2FS-fs (loop5): invalid crc value F2FS-fs (loop5): Failed to get valid F2FS checkpoint input: syz0 as /devices/virtual/input/input15 F2FS-fs (loop5): Magic Mismatch, valid(0xf2f52010) - read(0x0) F2FS-fs (loop5): Can't find valid F2FS filesystem in 2th superblock F2FS-fs (loop5): invalid crc value F2FS-fs (loop5): Failed to get valid F2FS checkpoint input: syz0 as /devices/virtual/input/input16 F2FS-fs (loop5): Magic Mismatch, valid(0xf2f52010) - read(0x0) audit: type=1800 audit(1661185393.386:3): pid=10941 uid=0 auid=4294967295 ses=4294967295 op="collect_data" cause="failed(directio)" comm="syz-executor.0" name="file0" dev="sda1" ino=14057 res=0 F2FS-fs (loop5): Can't find valid F2FS filesystem in 2th superblock input: syz0 as /devices/virtual/input/input17 audit: type=1800 audit(1661185393.526:4): pid=10974 uid=0 auid=4294967295 ses=4294967295 op="collect_data" cause="failed(directio)" comm="syz-executor.0" name="file0" dev="sda1" ino=13879 res=0 input: syz0 as /devices/virtual/input/input18 input: syz0 as /devices/virtual/input/input19 input: syz0 as /devices/virtual/input/input20 input: syz0 as /devices/virtual/input/input21 input: syz0 as /devices/virtual/input/input22 input: syz0 as /devices/virtual/input/input23 unregister_netdevice: waiting for ip6gre0 to become free. Usage count = -1 input: syz0 as /devices/virtual/input/input24 EXT4-fs (loop4): mounted filesystem without journal. Opts: ,errors=continue input: syz0 as /devices/virtual/input/input25 sd 0:0:1:0: device reset EXT4-fs (loop4): mounted filesystem without journal. Opts: ,errors=continue uinput: write device info first uinput: write device info first uinput: write device info first EXT4-fs (loop4): mounted filesystem without journal. Opts: ,errors=continue sd 0:0:1:0: device reset sd 0:0:1:0: device reset sd 0:0:1:0: device reset affs: Unrecognized mount option "cgroup" or missing value uinput: write device info first affs: Error parsing options option changes via remount are deprecated (pid=11481 comm=syz-executor.4) uinput: write device info first affs: Unrecognized mount option "cgroup" or missing value uinput: write device info first affs: Error parsing options option changes via remount are deprecated (pid=11503 comm=syz-executor.4) affs: Unrecognized mount option "cgroup" or missing value affs: Unrecognized mount option "cgroup" or missing value affs: Error parsing options affs: Error parsing options option changes via remount are deprecated (pid=11541 comm=syz-executor.1) FAULT_INJECTION: forcing a failure. name failslab, interval 1, probability 0, space 0, times 1 CPU: 0 PID: 11579 Comm: syz-executor.2 Not tainted 4.14.290-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 Call Trace: __dump_stack lib/dump_stack.c:17 [inline] dump_stack+0x1b2/0x281 lib/dump_stack.c:58 fail_dump lib/fault-inject.c:51 [inline] should_fail.cold+0x10a/0x149 lib/fault-inject.c:149 should_failslab+0xd6/0x130 mm/failslab.c:32 slab_pre_alloc_hook mm/slab.h:421 [inline] slab_alloc mm/slab.c:3376 [inline] kmem_cache_alloc_trace+0x29a/0x3d0 mm/slab.c:3616 kmalloc include/linux/slab.h:488 [inline] kmalloc_array include/linux/slab.h:606 [inline] kcalloc include/linux/slab.h:618 [inline] input_alloc_absinfo+0x83/0x140 drivers/input/input.c:497 uinput_create_device drivers/input/misc/uinput.c:283 [inline] uinput_ioctl_handler.isra.0+0x12fa/0x1790 drivers/input/misc/uinput.c:839 vfs_ioctl fs/ioctl.c:46 [inline] file_ioctl fs/ioctl.c:500 [inline] do_vfs_ioctl+0x75a/0xff0 fs/ioctl.c:684 SYSC_ioctl fs/ioctl.c:701 [inline] SyS_ioctl+0x7f/0xb0 fs/ioctl.c:692 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x46/0xbb RIP: 0033:0x7f2bbf890279 RSP: 002b:00007f2bbe205168 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00007f2bbf9a2f80 RCX: 00007f2bbf890279 RDX: 0000000000000000 RSI: 0000000000005501 RDI: 0000000000000003 RBP: 00007f2bbe2051d0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 R13: 00007fff65fbf9af R14: 00007f2bbe205300 R15: 0000000000022000 8021q: adding VLAN 0 to HW filter on device team0 input input35: input_alloc_absinfo: unable to allocate memory bond0: Enslaving team0 as an active interface with an up link bond0: Releasing backup interface team0 bridge0: port 3(team0) entered blocking state FAULT_INJECTION: forcing a failure. name failslab, interval 1, probability 0, space 0, times 0 bridge0: port 3(team0) entered disabled state CPU: 0 PID: 11617 Comm: syz-executor.2 Not tainted 4.14.290-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 device team0 entered promiscuous mode Call Trace: __dump_stack lib/dump_stack.c:17 [inline] dump_stack+0x1b2/0x281 lib/dump_stack.c:58 fail_dump lib/fault-inject.c:51 [inline] should_fail.cold+0x10a/0x149 lib/fault-inject.c:149 should_failslab+0xd6/0x130 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+0x2c1/0x400 mm/slab.c:3729 kmalloc_array include/linux/slab.h:607 [inline] kcalloc include/linux/slab.h:618 [inline] input_register_device+0x419/0xa90 drivers/input/input.c:2150 device team_slave_0 entered promiscuous mode uinput_create_device drivers/input/misc/uinput.c:324 [inline] uinput_ioctl_handler.isra.0+0x84c/0x1790 drivers/input/misc/uinput.c:839 device team_slave_1 entered promiscuous mode vfs_ioctl fs/ioctl.c:46 [inline] file_ioctl fs/ioctl.c:500 [inline] do_vfs_ioctl+0x75a/0xff0 fs/ioctl.c:684 SYSC_ioctl fs/ioctl.c:701 [inline] SyS_ioctl+0x7f/0xb0 fs/ioctl.c:692 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x46/0xbb RIP: 0033:0x7f2bbf890279 RSP: 002b:00007f2bbe205168 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00007f2bbf9a2f80 RCX: 00007f2bbf890279 RDX: 0000000000000000 RSI: 0000000000005501 RDI: 0000000000000003 RBP: 00007f2bbe2051d0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 R13: 00007fff65fbf9af R14: 00007f2bbe205300 R15: 0000000000022000 device team0 left promiscuous mode device team_slave_0 left promiscuous mode device team_slave_1 left promiscuous mode bridge0: port 3(team0) entered disabled state 8021q: adding VLAN 0 to HW filter on device team0 FAULT_INJECTION: forcing a failure. name failslab, interval 1, probability 0, space 0, times 0 bond0: Enslaving team0 as an active interface with an up link CPU: 0 PID: 11711 Comm: syz-executor.2 Not tainted 4.14.290-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 Call Trace: __dump_stack lib/dump_stack.c:17 [inline] dump_stack+0x1b2/0x281 lib/dump_stack.c:58 fail_dump lib/fault-inject.c:51 [inline] should_fail.cold+0x10a/0x149 lib/fault-inject.c:149 should_failslab+0xd6/0x130 mm/failslab.c:32 slab_pre_alloc_hook mm/slab.h:421 [inline] slab_alloc mm/slab.c:3376 [inline] kmem_cache_alloc_trace+0x29a/0x3d0 mm/slab.c:3616 kmalloc include/linux/slab.h:488 [inline] kzalloc include/linux/slab.h:661 [inline] device_private_init drivers/base/core.c:1799 [inline] device_add+0xd72/0x15c0 drivers/base/core.c:1844 input_register_device+0x59e/0xa90 drivers/input/input.c:2169 uinput_create_device drivers/input/misc/uinput.c:324 [inline] uinput_ioctl_handler.isra.0+0x84c/0x1790 drivers/input/misc/uinput.c:839 vfs_ioctl fs/ioctl.c:46 [inline] file_ioctl fs/ioctl.c:500 [inline] do_vfs_ioctl+0x75a/0xff0 fs/ioctl.c:684 SYSC_ioctl fs/ioctl.c:701 [inline] SyS_ioctl+0x7f/0xb0 fs/ioctl.c:692 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x46/0xbb RIP: 0033:0x7f2bbf890279 RSP: 002b:00007f2bbe205168 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00007f2bbf9a2f80 RCX: 00007f2bbf890279 RDX: 0000000000000000 RSI: 0000000000005501 RDI: 0000000000000003 RBP: 00007f2bbe2051d0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 R13: 00007fff65fbf9af R14: 00007f2bbe205300 R15: 0000000000022000 bond0: Releasing backup interface team0 bridge0: port 3(team0) entered blocking state bridge0: port 3(team0) entered disabled state device team0 entered promiscuous mode device team_slave_0 entered promiscuous mode device team_slave_1 entered promiscuous mode FAULT_INJECTION: forcing a failure. name failslab, interval 1, probability 0, space 0, times 0 CPU: 0 PID: 11734 Comm: syz-executor.2 Not tainted 4.14.290-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 Call Trace: __dump_stack lib/dump_stack.c:17 [inline] dump_stack+0x1b2/0x281 lib/dump_stack.c:58 fail_dump lib/fault-inject.c:51 [inline] should_fail.cold+0x10a/0x149 lib/fault-inject.c:149 should_failslab+0xd6/0x130 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+0x2bc/0x400 mm/slab.c:3735 kstrdup+0x36/0x70 mm/util.c:57 kstrdup_const+0x35/0x60 mm/util.c:78 __kernfs_new_node+0x2e/0x470 fs/kernfs/dir.c:636 kernfs_new_node fs/kernfs/dir.c:685 [inline] kernfs_create_dir_ns+0x8c/0x200 fs/kernfs/dir.c:1005 sysfs_create_dir_ns+0xb7/0x1d0 fs/sysfs/dir.c:55 create_dir lib/kobject.c:71 [inline] kobject_add_internal+0x28b/0x930 lib/kobject.c:229 kobject_add_varg lib/kobject.c:364 [inline] kobject_add+0x11f/0x180 lib/kobject.c:409 device_add+0x33f/0x15c0 drivers/base/core.c:1885 device team0 left promiscuous mode input_register_device+0x59e/0xa90 drivers/input/input.c:2169 uinput_create_device drivers/input/misc/uinput.c:324 [inline] uinput_ioctl_handler.isra.0+0x84c/0x1790 drivers/input/misc/uinput.c:839 device team_slave_0 left promiscuous mode vfs_ioctl fs/ioctl.c:46 [inline] file_ioctl fs/ioctl.c:500 [inline] do_vfs_ioctl+0x75a/0xff0 fs/ioctl.c:684 device team_slave_1 left promiscuous mode bridge0: port 3(team0) entered disabled state SYSC_ioctl fs/ioctl.c:701 [inline] SyS_ioctl+0x7f/0xb0 fs/ioctl.c:692 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x46/0xbb RIP: 0033:0x7f2bbf890279 RSP: 002b:00007f2bbe205168 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00007f2bbf9a2f80 RCX: 00007f2bbf890279 RDX: 0000000000000000 RSI: 0000000000005501 RDI: 0000000000000003 RBP: 00007f2bbe2051d0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 R13: 00007fff65fbf9af R14: 00007f2bbe205300 R15: 0000000000022000 8021q: adding VLAN 0 to HW filter on device team0 kobject_add_internal failed for input38 (error: -12 parent: input) bond0: Enslaving team0 as an active interface with an up link FAULT_INJECTION: forcing a failure. name failslab, interval 1, probability 0, space 0, times 0 CPU: 0 PID: 11752 Comm: syz-executor.2 Not tainted 4.14.290-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 Call Trace: __dump_stack lib/dump_stack.c:17 [inline] dump_stack+0x1b2/0x281 lib/dump_stack.c:58 fail_dump lib/fault-inject.c:51 [inline] should_fail.cold+0x10a/0x149 lib/fault-inject.c:149 should_failslab+0xd6/0x130 mm/failslab.c:32 slab_pre_alloc_hook mm/slab.h:421 [inline] slab_alloc mm/slab.c:3376 [inline] kmem_cache_alloc+0x28e/0x3c0 mm/slab.c:3550 kmem_cache_zalloc include/linux/slab.h:651 [inline] __kernfs_new_node+0x6f/0x470 fs/kernfs/dir.c:640 kernfs_new_node fs/kernfs/dir.c:685 [inline] kernfs_create_dir_ns+0x8c/0x200 fs/kernfs/dir.c:1005 sysfs_create_dir_ns+0xb7/0x1d0 fs/sysfs/dir.c:55 create_dir lib/kobject.c:71 [inline] kobject_add_internal+0x28b/0x930 lib/kobject.c:229 kobject_add_varg lib/kobject.c:364 [inline] kobject_add+0x11f/0x180 lib/kobject.c:409 device_add+0x33f/0x15c0 drivers/base/core.c:1885 input_register_device+0x59e/0xa90 drivers/input/input.c:2169 uinput_create_device drivers/input/misc/uinput.c:324 [inline] uinput_ioctl_handler.isra.0+0x84c/0x1790 drivers/input/misc/uinput.c:839 vfs_ioctl fs/ioctl.c:46 [inline] file_ioctl fs/ioctl.c:500 [inline] do_vfs_ioctl+0x75a/0xff0 fs/ioctl.c:684 SYSC_ioctl fs/ioctl.c:701 [inline] SyS_ioctl+0x7f/0xb0 fs/ioctl.c:692 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x46/0xbb RIP: 0033:0x7f2bbf890279 RSP: 002b:00007f2bbe205168 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00007f2bbf9a2f80 RCX: 00007f2bbf890279