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.