INFO: task syz.4.712:6518 blocked for more than 143 seconds. Not tainted 5.15.162-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz.4.712 state:D stack:28144 pid: 6518 ppid: 6275 flags:0x00004004 Call Trace: context_switch kernel/sched/core.c:5030 [inline] __schedule+0x12c4/0x45b0 kernel/sched/core.c:6376 schedule+0x11b/0x1f0 kernel/sched/core.c:6459 rwsem_down_write_slowpath+0xf0c/0x16a0 kernel/locking/rwsem.c:1165 inode_lock_nested include/linux/fs.h:824 [inline] filename_create+0x25c/0x530 fs/namei.c:3835 do_mkdirat+0xb3/0x520 fs/namei.c:4080 __do_sys_mkdirat fs/namei.c:4105 [inline] __se_sys_mkdirat fs/namei.c:4103 [inline] __x64_sys_mkdirat+0x85/0x90 fs/namei.c:4103 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x66/0xd0 RIP: 0033:0x7f041bf31517 RSP: 002b:00007f041a970e78 EFLAGS: 00000246 ORIG_RAX: 0000000000000102 RAX: ffffffffffffffda RBX: 00007f041a970f00 RCX: 00007f041bf31517 RDX: 00000000000001ff RSI: 0000000020002380 RDI: 00000000ffffff9c RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000020002380 R13: 00007f041a970ec0 R14: 0000000000000000 R15: 0000000000000000 INFO: task syz.4.712:6521 blocked for more than 144 seconds. Not tainted 5.15.162-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz.4.712 state:D stack:28184 pid: 6521 ppid: 6275 flags:0x00004004 Call Trace: context_switch kernel/sched/core.c:5030 [inline] __schedule+0x12c4/0x45b0 kernel/sched/core.c:6376 schedule+0x11b/0x1f0 kernel/sched/core.c:6459 schedule_preempt_disabled+0xf/0x20 kernel/sched/core.c:6518 rwsem_down_read_slowpath+0x605/0xb40 kernel/locking/rwsem.c:1055 __down_read_common kernel/locking/rwsem.c:1239 [inline] __down_read kernel/locking/rwsem.c:1252 [inline] down_read+0x9a/0x2e0 kernel/locking/rwsem.c:1500 inode_lock_shared include/linux/fs.h:799 [inline] lookup_slow+0x45/0x70 fs/namei.c:1679 walk_component+0x48c/0x610 fs/namei.c:1976 lookup_last fs/namei.c:2431 [inline] path_lookupat+0x16f/0x450 fs/namei.c:2455 filename_lookup+0x230/0x5c0 fs/namei.c:2484 user_path_at_empty+0x40/0x180 fs/namei.c:2883 user_path_at include/linux/namei.h:57 [inline] do_mount fs/namespace.c:3345 [inline] __do_sys_mount fs/namespace.c:3556 [inline] __se_sys_mount+0x296/0x3c0 fs/namespace.c:3533 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x66/0xd0 RIP: 0033:0x7f041bf32bd9 RSP: 002b:00007f041a74e048 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 00007f041c0c11e8 RCX: 00007f041bf32bd9 RDX: 00000000200000c0 RSI: 0000000020000080 RDI: 0000000000000000 RBP: 00007f041bfa1e60 R08: 00000000200008c0 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 000000000000006e R14: 00007f041c0c11e8 R15: 00007ffc92f90178 INFO: task syz.4.712:6522 blocked for more than 144 seconds. Not tainted 5.15.162-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz.4.712 state:D stack:26552 pid: 6522 ppid: 6275 flags:0x00004004 Call Trace: context_switch kernel/sched/core.c:5030 [inline] __schedule+0x12c4/0x45b0 kernel/sched/core.c:6376 schedule+0x11b/0x1f0 kernel/sched/core.c:6459 schedule_preempt_disabled+0xf/0x20 kernel/sched/core.c:6518 rwsem_down_read_slowpath+0x605/0xb40 kernel/locking/rwsem.c:1055 __down_read_common kernel/locking/rwsem.c:1239 [inline] __down_read kernel/locking/rwsem.c:1252 [inline] down_read+0x9a/0x2e0 kernel/locking/rwsem.c:1500 inode_lock_shared include/linux/fs.h:799 [inline] lookup_slow+0x45/0x70 fs/namei.c:1679 walk_component+0x48c/0x610 fs/namei.c:1976 lookup_last fs/namei.c:2431 [inline] path_lookupat+0x16f/0x450 fs/namei.c:2455 filename_lookup+0x230/0x5c0 fs/namei.c:2484 user_path_at_empty+0x40/0x180 fs/namei.c:2883 user_path_at include/linux/namei.h:57 [inline] do_mount fs/namespace.c:3345 [inline] __do_sys_mount fs/namespace.c:3556 [inline] __se_sys_mount+0x296/0x3c0 fs/namespace.c:3533 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x66/0xd0 RIP: 0033:0x7f041bf32bd9 RSP: 002b:00007f041a52b048 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 00007f041c0c12c0 RCX: 00007f041bf32bd9 RDX: 0000000000000000 RSI: 0000000020000000 RDI: 0000000000000000 RBP: 00007f041bfa1e60 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000100000 R11: 0000000000000246 R12: 0000000000000000 R13: 000000000000006e R14: 00007f041c0c12c0 R15: 00007ffc92f90178 INFO: task syz.4.712:6523 blocked for more than 145 seconds. Not tainted 5.15.162-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz.4.712 state:D stack:28512 pid: 6523 ppid: 6275 flags:0x00004004 Call Trace: context_switch kernel/sched/core.c:5030 [inline] __schedule+0x12c4/0x45b0 kernel/sched/core.c:6376 schedule+0x11b/0x1f0 kernel/sched/core.c:6459 schedule_preempt_disabled+0xf/0x20 kernel/sched/core.c:6518 rwsem_down_read_slowpath+0x605/0xb40 kernel/locking/rwsem.c:1055 __down_read_common kernel/locking/rwsem.c:1239 [inline] __down_read kernel/locking/rwsem.c:1252 [inline] down_read+0x9a/0x2e0 kernel/locking/rwsem.c:1500 inode_lock_shared include/linux/fs.h:799 [inline] lookup_slow+0x45/0x70 fs/namei.c:1679 walk_component+0x48c/0x610 fs/namei.c:1976 lookup_last fs/namei.c:2431 [inline] path_lookupat+0x16f/0x450 fs/namei.c:2455 filename_lookup+0x230/0x5c0 fs/namei.c:2484 user_path_at_empty+0x40/0x180 fs/namei.c:2883 user_path_at include/linux/namei.h:57 [inline] do_mount fs/namespace.c:3345 [inline] __do_sys_mount fs/namespace.c:3556 [inline] __se_sys_mount+0x296/0x3c0 fs/namespace.c:3533 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x66/0xd0 RIP: 0033:0x7f041bf32bd9 RSP: 002b:00007f041a308048 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 00007f041c0c1398 RCX: 00007f041bf32bd9 RDX: 0000000000000000 RSI: 0000000020000180 RDI: 0000000020000200 RBP: 00007f041bfa1e60 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000001333404 R11: 0000000000000246 R12: 0000000000000000 R13: 000000000000006e R14: 00007f041c0c1398 R15: 00007ffc92f90178 Showing all locks held in the system: 2 locks held by kworker/0:0/7: #0: ffff888011c72138 ((wq_completion)rcu_gp){+.+.}-{0:0}, at: process_one_work+0x78a/0x10c0 kernel/workqueue.c:2283 #1: ffff8880b9a27848 (&per_cpu_ptr(group->pcpu, cpu)->seq){-.-.}-{0:0}, at: psi_task_switch+0x53d/0x810 kernel/sched/psi.c:891 1 lock held by khungtaskd/27: #0: ffffffff8c91fb20 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x0/0x30 2 locks held by kworker/1:3/3247: 2 locks held by getty/3266: #0: ffff888023aac098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x21/0x70 drivers/tty/tty_ldisc.c:252 #1: ffffc90002bab2e8 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x6af/0x1db0 drivers/tty/n_tty.c:2158 3 locks held by kworker/1:4/3518: #0: ffff888011c70938 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work+0x78a/0x10c0 kernel/workqueue.c:2283 #1: ffffc90002e47d20 ((work_completion)(&pwq->unbound_release_work)){+.+.}-{0:0}, at: process_one_work+0x7d0/0x10c0 kernel/workqueue.c:2285 #2: ffffffff8c9240e8 (rcu_state.exp_mutex){+.+.}-{3:3}, at: exp_funnel_lock kernel/rcu/tree_exp.h:322 [inline] #2: ffffffff8c9240e8 (rcu_state.exp_mutex){+.+.}-{3:3}, at: synchronize_rcu_expedited+0x350/0x740 kernel/rcu/tree_exp.h:845 2 locks held by kworker/1:5/3542: #0: ffff888011c70938 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work+0x78a/0x10c0 kernel/workqueue.c:2283 #1: ffffc90002fa7d20 ((work_completion)(&pwq->unbound_release_work)){+.+.}-{0:0}, at: process_one_work+0x7d0/0x10c0 kernel/workqueue.c:2285 2 locks held by kworker/1:6/3545: #0: ffff888011c70938 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work+0x78a/0x10c0 kernel/workqueue.c:2283 #1: ffffc90002fd7d20 ((work_completion)(&pwq->unbound_release_work)){+.+.}-{0:0}, at: process_one_work+0x7d0/0x10c0 kernel/workqueue.c:2285 2 locks held by kworker/1:7/3547: #0: ffff888011c70938 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work+0x78a/0x10c0 kernel/workqueue.c:2283 #1: ffffc90003007d20 ((work_completion)(&pwq->unbound_release_work)){+.+.}-{0:0}, at: process_one_work+0x7d0/0x10c0 kernel/workqueue.c:2285 2 locks held by kworker/1:8/3718: #0: ffff888011c70938 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work+0x78a/0x10c0 kernel/workqueue.c:2283 #1: ffffc90004bf7d20 ((work_completion)(&pwq->unbound_release_work)){+.+.}-{0:0}, at: process_one_work+0x7d0/0x10c0 kernel/workqueue.c:2285 6 locks held by kworker/0:14/4458: #0: ffff8881415f4d38 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: process_one_work+0x78a/0x10c0 kernel/workqueue.c:2283 #1: ffffc90002eb7d20 ((work_completion)(&hub->events)){+.+.}-{0:0}, at: process_one_work+0x7d0/0x10c0 kernel/workqueue.c:2285 #2: ffff888148489220 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:760 [inline] #2: ffff888148489220 (&dev->mutex){....}-{3:3}, at: hub_event+0x208/0x54c0 drivers/usb/core/hub.c:5769 #3: ffff88814848c5c0 (&port_dev->status_lock){+.+.}-{3:3}, at: usb_lock_port drivers/usb/core/hub.c:3125 [inline] #3: ffff88814848c5c0 (&port_dev->status_lock){+.+.}-{3:3}, at: hub_port_connect drivers/usb/core/hub.c:5351 [inline] #3: ffff88814848c5c0 (&port_dev->status_lock){+.+.}-{3:3}, at: hub_port_connect_change drivers/usb/core/hub.c:5595 [inline] #3: ffff88814848c5c0 (&port_dev->status_lock){+.+.}-{3:3}, at: port_event drivers/usb/core/hub.c:5741 [inline] #3: ffff88814848c5c0 (&port_dev->status_lock){+.+.}-{3:3}, at: hub_event+0x2238/0x54c0 drivers/usb/core/hub.c:5823 #4: ffff8881483f2f68 (hcd->address0_mutex){+.+.}-{3:3}, at: hub_port_connect drivers/usb/core/hub.c:5352 [inline] #4: ffff8881483f2f68 (hcd->address0_mutex){+.+.}-{3:3}, at: hub_port_connect_change drivers/usb/core/hub.c:5595 [inline] #4: ffff8881483f2f68 (hcd->address0_mutex){+.+.}-{3:3}, at: port_event drivers/usb/core/hub.c:5741 [inline] #4: ffff8881483f2f68 (hcd->address0_mutex){+.+.}-{3:3}, at: hub_event+0x2260/0x54c0 drivers/usb/core/hub.c:5823 #5: ffffffff8d389450 (ehci_cf_port_reset_rwsem){.+.+}-{3:3}, at: hub_port_reset+0x1f4/0x1dd0 drivers/usb/core/hub.c:2987 2 locks held by kworker/1:9/5328: #0: ffff888011c70938 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work+0x78a/0x10c0 kernel/workqueue.c:2283 #1: ffffc9000125fd20 ((work_completion)(&pwq->unbound_release_work)){+.+.}-{0:0}, at: process_one_work+0x7d0/0x10c0 kernel/workqueue.c:2285 2 locks held by kworker/1:10/5948: #0: ffff888011c70938 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work+0x78a/0x10c0 kernel/workqueue.c:2283 #1: ffffc90002ec7d20 ((work_completion)(&pwq->unbound_release_work)){+.+.}-{0:0}, at: process_one_work+0x7d0/0x10c0 kernel/workqueue.c:2285 2 locks held by kworker/1:11/5951: #0: ffff888011c70938 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work+0x78a/0x10c0 kernel/workqueue.c:2283 #1: ffffc90002f47d20 ((work_completion)(&pwq->unbound_release_work)){+.+.}-{0:0}, at: process_one_work+0x7d0/0x10c0 kernel/workqueue.c:2285 3 locks held by kworker/1:12/5952: #0: ffff888011c70938 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work+0x78a/0x10c0 kernel/workqueue.c:2283 #1: ffffc90002f97d20 ((work_completion)(&pwq->unbound_release_work)){+.+.}-{0:0}, at: process_one_work+0x7d0/0x10c0 kernel/workqueue.c:2285 #2: ffffffff8c9240e8 (rcu_state.exp_mutex){+.+.}-{3:3}, at: exp_funnel_lock kernel/rcu/tree_exp.h:322 [inline] #2: ffffffff8c9240e8 (rcu_state.exp_mutex){+.+.}-{3:3}, at: synchronize_rcu_expedited+0x350/0x740 kernel/rcu/tree_exp.h:845 2 locks held by kworker/1:13/5953: #0: ffff888011c70938 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work+0x78a/0x10c0 kernel/workqueue.c:2283 #1: ffffc90002c97d20 ((work_completion)(&pwq->unbound_release_work)){+.+.}-{0:0}, at: process_one_work+0x7d0/0x10c0 kernel/workqueue.c:2285 2 locks held by kworker/1:14/5954: #0: ffff888011c70938 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work+0x78a/0x10c0 kernel/workqueue.c:2283 #1: ffffc90002cc7d20 ((work_completion)(&pwq->unbound_release_work)){+.+.}-{0:0}, at: process_one_work+0x7d0/0x10c0 kernel/workqueue.c:2285 2 locks held by kworker/1:15/5955: #0: ffff888011c70938 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work+0x78a/0x10c0 kernel/workqueue.c:2283 #1: ffffc90002cd7d20 ((work_completion)(&pwq->unbound_release_work)){+.+.}-{0:0}, at: process_one_work+0x7d0/0x10c0 kernel/workqueue.c:2285 1 lock held by syz.4.712/6517: 2 locks held by syz.4.712/6518: #0: ffff888018d90460 (sb_writers#32){.+.+}-{0:0}, at: mnt_want_write+0x3b/0x80 fs/namespace.c:377 #1: ffff888072e10188 (&type->i_mutex_dir_key#22/1){+.+.}-{3:3}, at: inode_lock_nested include/linux/fs.h:824 [inline] #1: ffff888072e10188 (&type->i_mutex_dir_key#22/1){+.+.}-{3:3}, at: filename_create+0x25c/0x530 fs/namei.c:3835 1 lock held by syz.4.712/6521: #0: ffff888072e10188 (&type->i_mutex_dir_key#22){.+.+}-{3:3}, at: inode_lock_shared include/linux/fs.h:799 [inline] #0: ffff888072e10188 (&type->i_mutex_dir_key#22){.+.+}-{3:3}, at: lookup_slow+0x45/0x70 fs/namei.c:1679 1 lock held by syz.4.712/6522: #0: ffff888072e10188 (&type->i_mutex_dir_key#22){.+.+}-{3:3}, at: inode_lock_shared include/linux/fs.h:799 [inline] #0: ffff888072e10188 (&type->i_mutex_dir_key#22){.+.+}-{3:3}, at: lookup_slow+0x45/0x70 fs/namei.c:1679 1 lock held by syz.4.712/6523: #0: ffff888072e10188 (&type->i_mutex_dir_key#22){.+.+}-{3:3}, at: inode_lock_shared include/linux/fs.h:799 [inline] #0: ffff888072e10188 (&type->i_mutex_dir_key#22){.+.+}-{3:3}, at: lookup_slow+0x45/0x70 fs/namei.c:1679 4 locks held by syz.2.1165/8272: #0: ffff8880784760e0 (&type->s_umount_key#76/1){+.+.}-{3:3}, at: alloc_super+0x210/0x940 fs/super.c:229 #1: ffffffff8ce019a8 (uuid_mutex){+.+.}-{3:3}, at: btrfs_close_devices+0xbc/0x5c0 fs/btrfs/volumes.c:1231 #2: ffff88801ab3d118 (&disk->open_mutex){+.+.}-{3:3}, at: blkdev_put+0xfb/0x790 block/bdev.c:912 #3: ffff888147c5b468 (&lo->lo_mutex){+.+.}-{3:3}, at: lo_release+0x4d/0x1f0 drivers/block/loop.c:2070 2 locks held by kworker/1:16/8303: #0: ffff888011c70938 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work+0x78a/0x10c0 kernel/workqueue.c:2283 #1: ffffc90003297d20 ((work_completion)(&pwq->unbound_release_work)){+.+.}-{0:0}, at: process_one_work+0x7d0/0x10c0 kernel/workqueue.c:2285 2 locks held by kworker/1:17/8304: #0: ffff888011c70938 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work+0x78a/0x10c0 kernel/workqueue.c:2283 #1: ffffc90003197d20 ((work_completion)(&pwq->unbound_release_work)){+.+.}-{0:0}, at: process_one_work+0x7d0/0x10c0 kernel/workqueue.c:2285 2 locks held by kworker/1:18/8305: #0: ffff888011c70938 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work+0x78a/0x10c0 kernel/workqueue.c:2283 #1: ffffc900031a7d20 ((work_completion)(&pwq->unbound_release_work)){+.+.}-{0:0}, at: process_one_work+0x7d0/0x10c0 kernel/workqueue.c:2285 ============================================= NMI backtrace for cpu 0 CPU: 0 PID: 27 Comm: khungtaskd Not tainted 5.15.162-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024 Call Trace: __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0x1e3/0x2d0 lib/dump_stack.c:106 nmi_cpu_backtrace+0x46a/0x4a0 lib/nmi_backtrace.c:111 nmi_trigger_cpumask_backtrace+0x181/0x2a0 lib/nmi_backtrace.c:62 trigger_all_cpu_backtrace include/linux/nmi.h:148 [inline] check_hung_uninterruptible_tasks kernel/hung_task.c:210 [inline] watchdog+0xe72/0xeb0 kernel/hung_task.c:295 kthread+0x3f6/0x4f0 kernel/kthread.c:334 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:300 Sending NMI from CPU 0 to CPUs 1: NMI backtrace for cpu 1 CPU: 1 PID: 8300 Comm: syz.0.1171 Not tainted 5.15.162-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024 RIP: 0010:__sanitizer_cov_trace_pc+0x37/0x60 kernel/kcov.c:200 Code: 8b 15 55 14 82 7e f7 c2 00 01 ff 00 74 11 f7 c2 00 01 00 00 74 35 83 b9 34 16 00 00 00 74 2c 8b 91 10 16 00 00 83 fa 02 75 21 <48> 8b 91 18 16 00 00 48 8b 32 48 8d 7e 01 8b 89 14 16 00 00 48 39 RSP: 0018:ffffc90002e073a0 EFLAGS: 00000046 RAX: ffffffff847ad0e0 RBX: ffffffff91719740 RCX: ffff888021b45940 RDX: 0000000000000002 RSI: 0000000000000000 RDI: ffffffff91719740 RBP: 000000000000005b R08: ffffffff847a6957 R09: 0000000000000003 R10: ffffffffffffffff R11: dffffc0000000001 R12: dffffc0000000000 R13: ffffffff914339c0 R14: 000000000000005b R15: 0000000000000000 FS: 00007f20473656c0(0000) GS:ffff8880b9b00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f2048ba0000 CR3: 000000005f0dd000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: io_serial_out+0x20/0xb0 drivers/tty/serial/8250/8250_port.c:465 uart_console_write+0xa9/0x100 drivers/tty/serial/serial_core.c:1971 serial8250_console_write+0xc8e/0x1180 drivers/tty/serial/8250/8250_port.c:3378 console_unlock+0xced/0x12b0 kernel/printk/printk.c:2744 vprintk_emit+0xbf/0x150 kernel/printk/printk.c:2274 dev_vprintk_emit+0x2aa/0x330 drivers/base/core.c:4618 dev_printk_emit+0xd9/0x120 drivers/base/core.c:4629 _dev_err+0x11e/0x170 drivers/base/core.c:4684 raw_ioctl_run drivers/usb/gadget/legacy/raw_gadget.c:552 [inline] raw_ioctl+0x2627/0x3c90 drivers/usb/gadget/legacy/raw_gadget.c:1255 vfs_ioctl fs/ioctl.c:51 [inline] __do_sys_ioctl fs/ioctl.c:874 [inline] __se_sys_ioctl+0xf1/0x160 fs/ioctl.c:860 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x66/0xd0 RIP: 0033:0x7f20488e47db Code: 00 48 89 44 24 18 31 c0 48 8d 44 24 60 c7 04 24 10 00 00 00 48 89 44 24 08 48 8d 44 24 20 48 89 44 24 10 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1c 48 8b 44 24 18 64 48 2b 04 25 28 00 00 RSP: 002b:00007f2047362f20 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f20488e47db RDX: 0000000000000000 RSI: 0000000000005501 RDI: 0000000000000006 RBP: 00007f2047363ff0 R08: 0000000000000010 R09: 00302e6364755f79 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f2047362fc0 R14: 00000000200004c0 R15: 00007f2048b9fb88