INFO: task udevd:4542 blocked for more than 143 seconds. Not tainted 6.10.0-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:udevd state:D stack:23000 pid:4542 tgid:4542 ppid:1 flags:0x00000002 Call Trace: context_switch kernel/sched/core.c:5407 [inline] __schedule+0x1800/0x4a60 kernel/sched/core.c:6748 __schedule_loop kernel/sched/core.c:6825 [inline] schedule+0x14b/0x320 kernel/sched/core.c:6840 schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6897 __mutex_lock_common kernel/locking/mutex.c:684 [inline] __mutex_lock+0x6a4/0xd70 kernel/locking/mutex.c:752 uevent_net_broadcast_untagged lib/kobject_uevent.c:317 [inline] kobject_uevent_net_broadcast+0x280/0x580 lib/kobject_uevent.c:410 kobject_uevent_env+0x57d/0x8e0 lib/kobject_uevent.c:593 kobject_synth_uevent+0x4ef/0xae0 lib/kobject_uevent.c:207 uevent_store+0x24/0x60 drivers/base/core.c:2763 kernfs_fop_write_iter+0x3a3/0x500 fs/kernfs/file.c:334 new_sync_write fs/read_write.c:497 [inline] vfs_write+0xa74/0xc90 fs/read_write.c:590 ksys_write+0x1a0/0x2c0 fs/read_write.c:643 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f46dfb16bf2 RSP: 002b:00007fff6ee323c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 RAX: ffffffffffffffda RBX: 00005593a701c630 RCX: 00007f46dfb16bf2 RDX: 0000000000000007 RSI: 00005593a7024890 RDI: 000000000000000c RBP: 0000000000000007 R08: 00005593a7024890 R09: 0000000000000040 R10: 000000000000010f R11: 0000000000000246 R12: 0000000000000007 R13: 00005593a7024890 R14: 00007fff6ee327a8 R15: 0000000000000000 INFO: task syz-executor:5099 blocked for more than 144 seconds. Not tainted 6.10.0-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz-executor state:D stack:19488 pid:5099 tgid:5099 ppid:1 flags:0x00004004 Call Trace: context_switch kernel/sched/core.c:5407 [inline] __schedule+0x1800/0x4a60 kernel/sched/core.c:6748 __schedule_loop kernel/sched/core.c:6825 [inline] schedule+0x14b/0x320 kernel/sched/core.c:6840 schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6897 __mutex_lock_common kernel/locking/mutex.c:684 [inline] __mutex_lock+0x6a4/0xd70 kernel/locking/mutex.c:752 uevent_net_broadcast_untagged lib/kobject_uevent.c:317 [inline] kobject_uevent_net_broadcast+0x280/0x580 lib/kobject_uevent.c:410 kobject_uevent_env+0x57d/0x8e0 lib/kobject_uevent.c:593 __loop_clr_fd+0x3e3/0x810 drivers/block/loop.c:1186 loop_clr_fd drivers/block/loop.c:1276 [inline] lo_ioctl+0x174a/0x21a0 drivers/block/loop.c:1578 blkdev_ioctl+0x582/0x6b0 block/ioctl.c:676 vfs_ioctl fs/ioctl.c:51 [inline] __do_sys_ioctl fs/ioctl.c:907 [inline] __se_sys_ioctl+0xfe/0x170 fs/ioctl.c:893 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f29dad757db RSP: 002b:00007ffd9c661710 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f29dad757db RDX: 0000000000000000 RSI: 0000000000004c01 RDI: 0000000000000003 RBP: 00007ffd9c6617bc R08: 0000000000000000 R09: 00007ffd9c6614b7 R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffd9c661830 R13: 0000000000000055 R14: 00000000000231ea R15: 00000000000231ea INFO: task udevd:5157 blocked for more than 146 seconds. Not tainted 6.10.0-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:udevd state:D stack:23600 pid:5157 tgid:5157 ppid:4542 flags:0x00000002 Call Trace: context_switch kernel/sched/core.c:5407 [inline] __schedule+0x1800/0x4a60 kernel/sched/core.c:6748 __schedule_loop kernel/sched/core.c:6825 [inline] schedule+0x14b/0x320 kernel/sched/core.c:6840 schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6897 __mutex_lock_common kernel/locking/mutex.c:684 [inline] __mutex_lock+0x6a4/0xd70 kernel/locking/mutex.c:752 device_lock include/linux/device.h:1009 [inline] uevent_show+0x17d/0x340 drivers/base/core.c:2743 dev_attr_show+0x57/0xc0 drivers/base/core.c:2437 sysfs_kf_seq_show+0x333/0x4c0 fs/sysfs/file.c:59 seq_read_iter+0x447/0xd60 fs/seq_file.c:230 new_sync_read fs/read_write.c:395 [inline] vfs_read+0x9bf/0xbc0 fs/read_write.c:476 ksys_read+0x1a0/0x2c0 fs/read_write.c:619 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f46dfb16b6a RSP: 002b:00007fff6ee298d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 RAX: ffffffffffffffda RBX: 00005593a701c630 RCX: 00007f46dfb16b6a RDX: 0000000000001000 RSI: 00005593a7040290 RDI: 0000000000000008 RBP: 00005593a701c630 R08: 0000000000000008 R09: 0000000000000000 R10: 000000000000010f R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000003fff R14: 00007fff6ee29db8 R15: 000000000000000a INFO: task syz.5.296:6104 blocked for more than 147 seconds. Not tainted 6.10.0-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz.5.296 state:D stack:24672 pid:6104 tgid:6104 ppid:5101 flags:0x00004004 Call Trace: context_switch kernel/sched/core.c:5407 [inline] __schedule+0x1800/0x4a60 kernel/sched/core.c:6748 __schedule_loop kernel/sched/core.c:6825 [inline] schedule+0x14b/0x320 kernel/sched/core.c:6840 schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6897 __mutex_lock_common kernel/locking/mutex.c:684 [inline] __mutex_lock+0x6a4/0xd70 kernel/locking/mutex.c:752 uevent_net_broadcast_untagged lib/kobject_uevent.c:317 [inline] kobject_uevent_net_broadcast+0x280/0x580 lib/kobject_uevent.c:410 kobject_uevent_env+0x57d/0x8e0 lib/kobject_uevent.c:593 device_remove drivers/base/dd.c:566 [inline] __device_release_driver drivers/base/dd.c:1270 [inline] device_release_driver_internal+0x4ab/0x7c0 drivers/base/dd.c:1293 driver_detach+0x1fb/0x2d0 drivers/base/dd.c:1356 bus_remove_driver+0x1f3/0x320 drivers/base/bus.c:742 usb_gadget_unregister_driver+0x4e/0x70 drivers/usb/gadget/udc/core.c:1733 raw_release+0xf9/0x1e0 drivers/usb/gadget/legacy/raw_gadget.c:462 __fput+0x24c/0x8a0 fs/file_table.c:422 task_work_run+0x251/0x310 kernel/task_work.c:180 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] exit_to_user_mode_loop kernel/entry/common.c:114 [inline] exit_to_user_mode_prepare include/linux/entry-common.h:328 [inline] __syscall_exit_to_user_mode_work kernel/entry/common.c:207 [inline] syscall_exit_to_user_mode+0x168/0x360 kernel/entry/common.c:218 do_syscall_64+0x100/0x230 arch/x86/entry/common.c:89 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f7ca7b75bd9 RSP: 002b:00007fffb5732918 EFLAGS: 00000246 ORIG_RAX: 00000000000001b4 RAX: 0000000000000000 RBX: 00000000000233c2 RCX: 00007f7ca7b75bd9 RDX: 0000000000000000 RSI: 000000000000001e RDI: 0000000000000003 RBP: ffffffffffffffff R08: 0000000000000001 R09: 00000005b5732c3f R10: 00007f7ca7a00000 R11: 0000000000000246 R12: 00007f7ca7d03f6c R13: 000000000000015e R14: 00007f7ca7d05a60 R15: 00007f7ca7d03f60 INFO: task syz.0.305:6146 blocked for more than 148 seconds. Not tainted 6.10.0-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz.0.305 state:D stack:24960 pid:6146 tgid:6142 ppid:5100 flags:0x00004004 Call Trace: context_switch kernel/sched/core.c:5407 [inline] __schedule+0x1800/0x4a60 kernel/sched/core.c:6748 __schedule_loop kernel/sched/core.c:6825 [inline] schedule+0x14b/0x320 kernel/sched/core.c:6840 schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6897 __mutex_lock_common kernel/locking/mutex.c:684 [inline] __mutex_lock+0x6a4/0xd70 kernel/locking/mutex.c:752 uevent_net_broadcast_untagged lib/kobject_uevent.c:317 [inline] kobject_uevent_net_broadcast+0x280/0x580 lib/kobject_uevent.c:410 kobject_uevent_env+0x57d/0x8e0 lib/kobject_uevent.c:593 __loop_clr_fd+0x3e3/0x810 drivers/block/loop.c:1186 loop_clr_fd drivers/block/loop.c:1276 [inline] lo_ioctl+0x174a/0x21a0 drivers/block/loop.c:1578 blkdev_ioctl+0x582/0x6b0 block/ioctl.c:676 vfs_ioctl fs/ioctl.c:51 [inline] __do_sys_ioctl fs/ioctl.c:907 [inline] __se_sys_ioctl+0xfe/0x170 fs/ioctl.c:893 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fd7ccf757db RSP: 002b:00007fd7cdcd4e20 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: ffffffffffffffff RCX: 00007fd7ccf757db RDX: 0000000000000000 RSI: 0000000000004c01 RDI: 0000000000000003 RBP: 0000000000000003 R08: 0000000000000000 R09: 0000000000004014 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000016 R13: 00007fd7cdcd4ec0 R14: 000000000001f8e5 R15: 00000000200000c0 INFO: task syz.4.307:6143 blocked for more than 150 seconds. Not tainted 6.10.0-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz.4.307 state:D stack:24672 pid:6143 tgid:6143 ppid:5090 flags:0x00000004 Call Trace: context_switch kernel/sched/core.c:5407 [inline] __schedule+0x1800/0x4a60 kernel/sched/core.c:6748 __schedule_loop kernel/sched/core.c:6825 [inline] schedule+0x14b/0x320 kernel/sched/core.c:6840 netlink_table_grab+0x1e3/0x320 net/netlink/af_netlink.c:447 netlink_remove net/netlink/af_netlink.c:622 [inline] netlink_release+0xbd0/0x1b10 net/netlink/af_netlink.c:755 __sock_release net/socket.c:659 [inline] sock_close+0xbe/0x240 net/socket.c:1421 __fput+0x24c/0x8a0 fs/file_table.c:422 task_work_run+0x251/0x310 kernel/task_work.c:180 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] exit_to_user_mode_loop kernel/entry/common.c:114 [inline] exit_to_user_mode_prepare include/linux/entry-common.h:328 [inline] __syscall_exit_to_user_mode_work kernel/entry/common.c:207 [inline] syscall_exit_to_user_mode+0x168/0x360 kernel/entry/common.c:218 do_syscall_64+0x100/0x230 arch/x86/entry/common.c:89 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f9556575bd9 RSP: 002b:00007ffc9a192b78 EFLAGS: 00000246 ORIG_RAX: 00000000000001b4 RAX: 0000000000000000 RBX: 00007f9556705a60 RCX: 00007f9556575bd9 RDX: 0000000000000000 RSI: 000000000000001e RDI: 0000000000000003 RBP: 00007f9556705a60 R08: 0000000000000006 R09: 000000159a192e9f R10: 00000000005f2190 R11: 0000000000000246 R12: 0000000000024119 R13: 0000000000000032 R14: 00007f9556705a60 R15: 00007f9556704110 INFO: task syz.4.307:6150 blocked for more than 151 seconds. Not tainted 6.10.0-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz.4.307 state:D stack:25472 pid:6150 tgid:6143 ppid:5090 flags:0x00000004 Call Trace: context_switch kernel/sched/core.c:5407 [inline] __schedule+0x1800/0x4a60 kernel/sched/core.c:6748 __schedule_loop kernel/sched/core.c:6825 [inline] schedule+0x14b/0x320 kernel/sched/core.c:6840 schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6897 __mutex_lock_common kernel/locking/mutex.c:684 [inline] __mutex_lock+0x6a4/0xd70 kernel/locking/mutex.c:752 uevent_net_broadcast_untagged lib/kobject_uevent.c:317 [inline] kobject_uevent_net_broadcast+0x280/0x580 lib/kobject_uevent.c:410 kobject_uevent_env+0x57d/0x8e0 lib/kobject_uevent.c:593 device_add+0x63b/0xbf0 drivers/base/core.c:3660 device_create_groups_vargs drivers/base/core.c:4371 [inline] device_create+0x257/0x2e0 drivers/base/core.c:4410 bdi_register_va+0x8b/0x760 mm/backing-dev.c:1094 super_setup_bdi_name+0xe4/0x200 fs/super.c:1848 fuse_bdi_init fs/fuse/inode.c:1437 [inline] fuse_fill_super_common+0x641/0x11c0 fs/fuse/inode.c:1712 fuse_fill_super+0x17c/0x1f0 fs/fuse/inode.c:1788 vfs_get_super fs/super.c:1269 [inline] get_tree_nodev+0xb9/0x140 fs/super.c:1288 fuse_get_tree+0x350/0x4b0 fs/fuse/inode.c:1863 vfs_get_tree+0x92/0x2a0 fs/super.c:1789 do_new_mount+0x2be/0xb40 fs/namespace.c:3352 do_mount fs/namespace.c:3692 [inline] __do_sys_mount fs/namespace.c:3898 [inline] __se_sys_mount+0x2d9/0x3c0 fs/namespace.c:3875 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f9556575bd9 RSP: 002b:00007f9557338048 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 00007f9556704038 RCX: 00007f9556575bd9 RDX: 0000000020002100 RSI: 00000000200000c0 RDI: 0000000000000000 RBP: 00007f95565e4e60 R08: 0000000020000180 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 000000000000006e R14: 00007f9556704038 R15: 00007ffc9a192a98 INFO: task syz.1.309:6157 blocked for more than 153 seconds. Not tainted 6.10.0-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.