INFO: task udevd:4676 blocked for more than 143 seconds.
Not tainted 6.12.0-rc3-syzkaller-00044-g2f87d0916ce0 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:udevd state:D stack:24432 pid:4676 tgid:4676 ppid:1 flags:0x00000002
Call Trace:
context_switch kernel/sched/core.c:5322 [inline]
__schedule+0xef5/0x5750 kernel/sched/core.c:6682
__schedule_loop kernel/sched/core.c:6759 [inline]
schedule+0xe7/0x350 kernel/sched/core.c:6774
schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6831
rwsem_down_read_slowpath+0x61e/0xb20 kernel/locking/rwsem.c:1084
__down_read_common kernel/locking/rwsem.c:1248 [inline]
__down_read kernel/locking/rwsem.c:1261 [inline]
down_read+0x124/0x330 kernel/locking/rwsem.c:1526
kernfs_dop_revalidate+0xf0/0x5a0 fs/kernfs/dir.c:1159
d_revalidate fs/namei.c:868 [inline]
d_revalidate fs/namei.c:865 [inline]
lookup_fast+0x239/0x540 fs/namei.c:1693
walk_component+0x5b/0x5b0 fs/namei.c:2049
link_path_walk.part.0.constprop.0+0x669/0xd40 fs/namei.c:2418
link_path_walk fs/namei.c:2349 [inline]
path_lookupat+0x93/0x770 fs/namei.c:2579
filename_lookup+0x1e5/0x5b0 fs/namei.c:2609
do_readlinkat+0xcf/0x390 fs/stat.c:537
__do_sys_readlink fs/stat.c:574 [inline]
__se_sys_readlink fs/stat.c:571 [inline]
__x64_sys_readlink+0x78/0xc0 fs/stat.c:571
do_syscall_x64 arch/x86/entry/common.c:52 [inline]
do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7eff8957bd47
RSP: 002b:00007ffe0f7fad88 EFLAGS: 00000246 ORIG_RAX: 0000000000000059
RAX: ffffffffffffffda RBX: 00007ffe0f7fad98 RCX: 00007eff8957bd47
RDX: 0000000000000400 RSI: 00007ffe0f7fad98 RDI: 00007ffe0f7fb278
RBP: 0000000000000400 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffe0f7fb278
R13: 00007ffe0f7fb1e8 R14: 000056534b2142c0 R15: 0000000000000000
INFO: task syz-executor:5227 blocked for more than 144 seconds.
Not tainted 6.12.0-rc3-syzkaller-00044-g2f87d0916ce0 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor state:D
stack:22736 pid:5227 tgid:5227 ppid:1 flags:0x00000004
Call Trace:
context_switch kernel/sched/core.c:5322 [inline]
__schedule+0xef5/0x5750 kernel/sched/core.c:6682
__schedule_loop kernel/sched/core.c:6759 [inline]
schedule+0xe7/0x350 kernel/sched/core.c:6774
schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6831
rwsem_down_read_slowpath+0x61e/0xb20 kernel/locking/rwsem.c:1084
__down_read_common kernel/locking/rwsem.c:1248 [inline]
__down_read kernel/locking/rwsem.c:1261 [inline]
down_read+0x124/0x330 kernel/locking/rwsem.c:1526
kernfs_dop_revalidate+0xf0/0x5a0 fs/kernfs/dir.c:1159
d_revalidate fs/namei.c:868 [inline]
d_revalidate fs/namei.c:865 [inline]
lookup_fast+0x239/0x540 fs/namei.c:1693
walk_component+0x5b/0x5b0 fs/namei.c:2049
link_path_walk.part.0.constprop.0+0x669/0xd40 fs/namei.c:2418
link_path_walk fs/namei.c:2350 [inline]
path_openat+0x228/0x2d60 fs/namei.c:3929
do_filp_open+0x1dc/0x430 fs/namei.c:3960
do_sys_openat2+0x17a/0x1e0 fs/open.c:1415
do_sys_open fs/open.c:1430 [inline]
__do_sys_openat fs/open.c:1446 [inline]
__se_sys_openat fs/open.c:1441 [inline]
__x64_sys_openat+0x175/0x210 fs/open.c:1441
do_syscall_x64 arch/x86/entry/common.c:52 [inline]
do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f7cde97d8f1
RSP: 002b:00007ffe78a6a760 EFLAGS: 00000287
ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 000000000000001a RCX: 00007f7cde97d8f1
RDX: 0000000000090800 RSI: 00007f7cde9f05b6 RDI: 00000000ffffff9c
RBP: 00007ffe78a6a7fc R08: 0000000000000000 R09: 00007f7cdf71a080
R10: 0000000000000000 R11: 0000000000000287 R12: 0000000000000000
R13: 0000000000017bbd R14: 000000000001778a R15: 00007ffe78a6a850
INFO: task syz-executor:5229 blocked for more than 145 seconds.
Not tainted 6.12.0-rc3-syzkaller-00044-g2f87d0916ce0 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor state:D
stack:22768 pid:5229 tgid:5229 ppid:1 flags:0x00000004
Call Trace:
context_switch kernel/sched/core.c:5322 [inline]
__schedule+0xef5/0x5750 kernel/sched/core.c:6682
__schedule_loop kernel/sched/core.c:6759 [inline]
schedule+0xe7/0x350 kernel/sched/core.c:6774
schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6831
rwsem_down_read_slowpath+0x61e/0xb20 kernel/locking/rwsem.c:1084
__down_read_common kernel/locking/rwsem.c:1248 [inline]
__down_read kernel/locking/rwsem.c:1261 [inline]
down_read+0x124/0x330 kernel/locking/rwsem.c:1526
kernfs_dop_revalidate+0xf0/0x5a0 fs/kernfs/dir.c:1159
d_revalidate fs/namei.c:868 [inline]
d_revalidate fs/namei.c:865 [inline]
lookup_fast+0x239/0x540 fs/namei.c:1693
walk_component+0x5b/0x5b0 fs/namei.c:2049
link_path_walk.part.0.constprop.0+0x669/0xd40 fs/namei.c:2418
link_path_walk fs/namei.c:2350 [inline]
path_openat+0x228/0x2d60 fs/namei.c:3929
do_filp_open+0x1dc/0x430 fs/namei.c:3960
do_sys_openat2+0x17a/0x1e0 fs/open.c:1415
do_sys_open fs/open.c:1430 [inline]
__do_sys_openat fs/open.c:1446 [inline]
__se_sys_openat fs/open.c:1441 [inline]
__x64_sys_openat+0x175/0x210 fs/open.c:1441
do_syscall_x64 arch/x86/entry/common.c:52 [inline]
do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f6cef77d8f1
RSP: 002b:00007ffdc8979620 EFLAGS: 00000287 ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 000000000000001d RCX: 00007f6cef77d8f1
RDX: 0000000000090800 RSI: 00007f6cef7f05b6 RDI: 00000000ffffff9c
RBP: 00007ffdc89796bc R08: 0000000000000000 R09: 00007f6cf05d7080
R10: 0000000000000000 R11: 0000000000000287 R12: 0000000000000000
R13: 0000000000017d26 R14: 0000000000017b7b R15: 00007ffdc8979710
INFO: task udevd:5230 blocked for more than 146 seconds.
Not tainted 6.12.0-rc3-syzkaller-00044-g2f87d0916ce0 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:udevd state:D
stack:26944 pid:5230 tgid:5230 ppid:4676 flags:0x00000002
Call Trace:
context_switch kernel/sched/core.c:5322 [inline]
__schedule+0xef5/0x5750 kernel/sched/core.c:6682
__schedule_loop kernel/sched/core.c:6759 [inline]
schedule+0xe7/0x350 kernel/sched/core.c:6774
schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6831
rwsem_down_read_slowpath+0x61e/0xb20 kernel/locking/rwsem.c:1084
__down_read_common kernel/locking/rwsem.c:1248 [inline]
__down_read kernel/locking/rwsem.c:1261 [inline]
down_read+0x124/0x330 kernel/locking/rwsem.c:1526
kernfs_dop_revalidate+0xf0/0x5a0 fs/kernfs/dir.c:1159
d_revalidate fs/namei.c:868 [inline]
d_revalidate fs/namei.c:865 [inline]
lookup_fast+0x239/0x540 fs/namei.c:1693
walk_component+0x5b/0x5b0 fs/namei.c:2049
link_path_walk.part.0.constprop.0+0x669/0xd40 fs/namei.c:2418
link_path_walk fs/namei.c:2349 [inline]
path_lookupat+0x93/0x770 fs/namei.c:2579
filename_lookup+0x1e5/0x5b0 fs/namei.c:2609
vfs_statx+0x11e/0x1e0 fs/stat.c:312
vfs_fstatat+0x9f/0x160 fs/stat.c:341
__do_sys_newfstatat+0xa2/0x130 fs/stat.c:505
do_syscall_x64 arch/x86/entry/common.c:52 [inline]
do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7eff8957a5f4
RSP: 002b:00007ffe0f7f5848 EFLAGS: 00000202
ORIG_RAX: 0000000000000106
RAX: ffffffffffffffda RBX: 000056534b263190 RCX: 00007eff8957a5f4
RDX: 00007ffe0f7f5858 RSI: 00007ffe0f7f58e8 RDI: 00000000ffffff9c
RBP: 0000565346ba37ac R08: 0000565346ba37ac R09: 0000000000000000
R10: 0000000000000100 R11: 0000000000000202 R12: 0000000000000000
R13: 000056534b263280 R14: 00007ffe0f7f58e8 R15: 000056534b264890
INFO: task syz-executor:5235 blocked for more than 147 seconds.
Not tainted 6.12.0-rc3-syzkaller-00044-g2f87d0916ce0 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor state:D
stack:23088 pid:5235 tgid:5235 ppid:1 flags:0x00004006
Call Trace:
context_switch kernel/sched/core.c:5322 [inline]
__schedule+0xef5/0x5750 kernel/sched/core.c:6682
__schedule_loop kernel/sched/core.c:6759 [inline]
schedule+0xe7/0x350 kernel/sched/core.c:6774
schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6831
rwsem_down_read_slowpath+0x61e/0xb20 kernel/locking/rwsem.c:1084
__down_read_common kernel/locking/rwsem.c:1248 [inline]
__down_read kernel/locking/rwsem.c:1261 [inline]
down_read+0x124/0x330 kernel/locking/rwsem.c:1526
kernfs_find_and_get_ns+0x71/0xc0 fs/kernfs/dir.c:918
kernfs_find_and_get include/linux/kernfs.h:604 [inline]
sysfs_unmerge_group+0x61/0x170 fs/sysfs/group.c:396
dpm_sysfs_remove+0x68/0xb0 drivers/base/power/sysfs.c:833
device_del+0x1a1/0x9f0 drivers/base/core.c:3839
device_unregister+0x1d/0xc0 drivers/base/core.c:3905
hci_conn_del_sysfs+0xb4/0x180 net/bluetooth/hci_sysfs.c:86
hci_conn_cleanup net/bluetooth/hci_conn.c:174 [inline]
hci_conn_del+0x54e/0xdb0 net/bluetooth/hci_conn.c:1163
hci_conn_hash_flush+0x18f/0x260 net/bluetooth/hci_conn.c:2593
hci_dev_close_sync+0x59e/0x1110 net/bluetooth/hci_sync.c:5195
hci_dev_do_close+0x2e/0x90 net/bluetooth/hci_core.c:483
hci_unregister_dev+0x213/0x620 net/bluetooth/hci_core.c:2698
vhci_release+0x79/0xf0 drivers/bluetooth/hci_vhci.c:664
__fput+0x3f6/0xb60 fs/file_table.c:431
task_work_run+0x14e/0x250 kernel/task_work.c:228
exit_task_work include/linux/task_work.h:40 [inline]
do_exit+0xadd/0x2d70 kernel/exit.c:939
do_group_exit+0xd3/0x2a0 kernel/exit.c:1088
get_signal+0x25fb/0x2770 kernel/signal.c:2917
arch_do_signal_or_restart+0x90/0x7e0 arch/x86/kernel/signal.c:337
exit_to_user_mode_loop kernel/entry/common.c:111 [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+0x150/0x2a0 kernel/entry/common.c:218
do_syscall_64+0xda/0x250 arch/x86/entry/common.c:89
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f843e374853
RSP: 002b:00007ffde90bb948 EFLAGS: 00000246
ORIG_RAX: 0000000000000038
RAX: fffffffffffffff4 RBX: 0000000000000000 RCX: 00007f843e374853
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001200011
RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000000000
R10: 000055557f3bf7d0 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000017ec4 R14: 0000000000016e16 R15: 00007ffde90bbad0
INFO: task syz-executor:5236 blocked for more than 148 seconds.
Not tainted 6.12.0-rc3-syzkaller-00044-g2f87d0916ce0 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor state:D
stack:22384 pid:5236 tgid:5236 ppid:1 flags:0x00000004
Call Trace:
context_switch kernel/sched/core.c:5322 [inline]
__schedule+0xef5/0x5750 kernel/sched/core.c:6682
__schedule_loop kernel/sched/core.c:6759 [inline]
schedule+0xe7/0x350 kernel/sched/core.c:6774
schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6831
rwsem_down_read_slowpath+0x61e/0xb20 kernel/locking/rwsem.c:1084
__down_read_common kernel/locking/rwsem.c:1248 [inline]
__down_read kernel/locking/rwsem.c:1261 [inline]
down_read+0x124/0x330 kernel/locking/rwsem.c:1526
kernfs_dop_revalidate+0xf0/0x5a0 fs/kernfs/dir.c:1159
d_revalidate fs/namei.c:868 [inline]
d_revalidate fs/namei.c:865 [inline]
lookup_fast+0x239/0x540 fs/namei.c:1693
walk_component+0x5b/0x5b0 fs/namei.c:2049
link_path_walk.part.0.constprop.0+0x669/0xd40 fs/namei.c:2418
link_path_walk fs/namei.c:2350 [inline]
path_openat+0x228/0x2d60 fs/namei.c:3929
do_filp_open+0x1dc/0x430 fs/namei.c:3960
do_sys_openat2+0x17a/0x1e0 fs/open.c:1415
do_sys_open fs/open.c:1430 [inline]
__do_sys_openat fs/open.c:1446 [inline]
__se_sys_openat fs/open.c:1441 [inline]
__x64_sys_openat+0x175/0x210 fs/open.c:1441
do_syscall_x64 arch/x86/entry/common.c:52 [inline]
do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7faa12b7d8f1
RSP: 002b:00007ffd3e8b7e40 EFLAGS: 00000287 ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007faa12b7d8f1
RDX: 0000000000090800 RSI: 00007faa12bf05b6 RDI: 00000000ffffff9c
RBP: 00007ffd3e8b7edc R08: 0000000000000000 R09: 00007faa139df080
R10: 0000000000000000 R11: 0000000000000287 R12: 0000000000000000
R13: 000000000001788e R14: 000000000001788e R15: 00007ffd3e8b7f30
INFO: task kworker/1:6:5326 blocked for more than 149 seconds.
Not tainted 6.12.0-rc3-syzkaller-00044-g2f87d0916ce0 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/1:6 state:D stack:26544 pid:5326 tgid:5326 ppid:2 flags:0x00004000
Workqueue: usb_hub_wq hub_event
Call Trace:
context_switch kernel/sched/core.c:5322 [inline]
__schedule+0xef5/0x5750 kernel/sched/core.c:6682
__schedule_loop kernel/sched/core.c:6759 [inline]
schedule+0xe7/0x350 kernel/sched/core.c:6774
schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6831
rwsem_down_write_slowpath+0x539/0x12a0 kernel/locking/rwsem.c:1176
__down_write_common kernel/locking/rwsem.c:1304 [inline]
__down_write kernel/locking/rwsem.c:1313 [inline]
down_write+0x1d8/0x200 kernel/locking/rwsem.c:1578
kernfs_add_one+0xb1/0x520 fs/kernfs/dir.c:778
kernfs_create_dir_ns+0xf4/0x150 fs/kernfs/dir.c:1071
sysfs_create_dir_ns+0x13b/0x2b0 fs/sysfs/dir.c:59
create_dir lib/kobject.c:73 [inline]
kobject_add_internal+0x2c8/0x990 lib/kobject.c:240
kobject_add_varg lib/kobject.c:374 [inline]
kobject_add+0x16f/0x240 lib/kobject.c:426
device_add+0x289/0x1a70 drivers/base/core.c:3613
usb_new_device+0xd90/0x1a10 drivers/usb/core/hub.c:2651
hub_port_connect drivers/usb/core/hub.c:5521 [inline]
hub_port_connect_change drivers/usb/core/hub.c:5661 [inline]
port_event drivers/usb/core/hub.c:5821 [inline]
hub_event+0x2d9a/0x4e10 drivers/usb/core/hub.c:5903
process_one_work+0x9c5/0x1ba0 kernel/workqueue.c:3229
process_scheduled_works kernel/workqueue.c:3310 [inline]
worker_thread+0x6c8/0xf00 kernel/workqueue.c:3391
kthread+0x2c1/0x3a0 kernel/kthread.c:389
ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:147
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
INFO: task syz.2.43:5436 blocked for more than 150 seconds.
Not tainted 6.12.0-rc3-syzkaller-00044-g2f87d0916ce0 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz.2.43 state:D stack:26992 pid:5436 tgid:5434 ppid:5236 flags:0x00004006
Call Trace:
context_switch kernel/sched/core.c:5322 [inline]
__schedule+0xef5/0x5750 kernel/sched/core.c:6682
__schedule_loop kernel/sched/core.c:6759 [inline]
schedule+0xe7/0x350 kernel/sched/core.c:6774
schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6831
rwsem_down_write_slowpath+0x539/0x12a0 kernel/locking/rwsem.c:1176
__down_write_common kernel/locking/rwsem.c:1304 [inline]
__down_write kernel/locking/rwsem.c:1313 [inline]
down_write+0x1d8/0x200 kernel/locking/rwsem.c:1578
kernfs_remove_by_name_ns+0x87/0x130 fs/kernfs/dir.c:1689
sysfs_remove_file include/linux/sysfs.h:773 [inline]
driver_remove_file drivers/base/driver.c:198 [inline]
driver_remove_file+0x4a/0x60 drivers/base/driver.c:194
remove_bind_files drivers/base/bus.c:602 [inline]
bus_remove_driver+0x224/0x2c0 drivers/base/bus.c:740
driver_unregister+0x76/0xb0 drivers/base/driver.c:274
usb_gadget_unregister_driver+0x49/0x70 drivers/usb/gadget/udc/core.c:1732
raw_release+0x1ae/0x2b0 drivers/usb/gadget/legacy/raw_gadget.c:462
__fput+0x3f6/0xb60 fs/file_table.c:431
task_work_run+0x14e/0x250 kernel/task_work.c:228
exit_task_work include/linux/task_work.h:40 [inline]
do_exit+0xadd/0x2d70 kernel/exit.c:939
do_group_exit+0xd3/0x2a0 kernel/exit.c:1088
get_signal+0x25fb/0x2770 kernel/signal.c:2917
arch_do_signal_or_restart+0x90/0x7e0 arch/x86/kernel/signal.c:337
exit_to_user_mode_loop kernel/entry/common.c:111 [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+0x150/0x2a0 kernel/entry/common.c:218
do_syscall_64+0xda/0x250 arch/x86/entry/common.c:89
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7faa12b7dbfb
RSP: 002b:00007faa139dbf10 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: fffffffffffffffc RBX: 0000000000000003 RCX: 00007faa12b7dbfb
RDX: 00007faa139dcfe0 RSI: 0000000080085502 RDI: 0000000000000003
RBP: 00007faa139dcfe0 R08: 0000000000000080 R09: 00007faa139dbfd8
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000080085502
R13: 0000000800000000 R14: 000000000000001b R15: 00007faa12bfa273
INFO: task syz.3.44:5442 blocked for more than 151 seconds.
Not tainted 6.12.0-rc3-syzkaller-00044-g2f87d0916ce0 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz.3.44 state:D stack:25392 pid:5442 tgid:5440 ppid:5229 flags:0x00004004
Call Trace:
context_switch kernel/sched/core.c:5322 [inline]
__schedule+0xef5/0x5750 kernel/sched/core.c:6682
__schedule_loop kernel/sched/core.c:6759 [inline]
schedule+0xe7/0x350 kernel/sched/core.c:6774
schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6831
rwsem_down_read_slowpath+0x61e/0xb20 kernel/locking/rwsem.c:1084
__down_read_common kernel/locking/rwsem.c:1248 [inline]
__down_read kernel/locking/rwsem.c:1261 [inline]
down_read+0x124/0x330 kernel/locking/rwsem.c:1526
mmap_read_lock include/linux/mmap_lock.h:144 [inline]
exit_mm kernel/exit.c:547 [inline]
do_exit+0x8b2/0x2d70 kernel/exit.c:926
do_group_exit+0xd3/0x2a0 kernel/exit.c:1088
get_signal+0x25fb/0x2770 kernel/signal.c:2917
arch_do_signal_or_restart+0x90/0x7e0 arch/x86/kernel/signal.c:337
exit_to_user_mode_loop kernel/entry/common.c:111 [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+0x150/0x2a0 kernel/entry/common.c:218
do_syscall_64+0xda/0x250 arch/x86/entry/common.c:89
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f6cef77dff9
RSP: 002b:00007f6cf05d60e8 EFLAGS: 00000246
ORIG_RAX: 00000000000000ca
RAX: fffffffffffffe00 RBX: 00007f6cef935f88 RCX: 00007f6cef77dff9
RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007f6cef935f88
RBP: 00007f6cef935f80 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007f6cef935f8c
R13: 0000000000000000 R14: 00007ffdc8979210 R15: 00007ffdc89792f8
INFO: task syz-executor:5446 blocked for more than 152 seconds.
Not tainted 6.12.0-rc3-syzkaller-00044-g2f87d0916ce0 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor state:D stack:26112 pid:5446 tgid:5446 ppid:5217 flags:0x00000004
Call Trace:
context_switch kernel/sched/core.c:5322 [inline]
__schedule+0xef5/0x5750 kernel/sched/core.c:6682
__schedule_loop kernel/sched/core.c:6759 [inline]
schedule+0xe7/0x350 kernel/sched/core.c:6774
schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6831
rwsem_down_read_slowpath+0x61e/0xb20 kernel/locking/rwsem.c:1084
__down_read_common kernel/locking/rwsem.c:1248 [inline]
__down_read kernel/locking/rwsem.c:1261 [inline]
down_read+0x124/0x330 kernel/locking/rwsem.c:1526
kernfs_dop_revalidate+0xf0/0x5a0 fs/kernfs/dir.c:1159
d_revalidate fs/namei.c:868 [inline]
d_revalidate fs/namei.c:865 [inline]
lookup_fast+0x239/0x540 fs/namei.c:1693
walk_component+0x5b/0x5b0 fs/namei.c:2049
link_path_walk.part.0.constprop.0+0x669/0xd40 fs/namei.c:2418
link_path_walk fs/namei.c:2350 [inline]
path_openat+0x228/0x2d60 fs/namei.c:3929
do_filp_open+0x1dc/0x430 fs/namei.c:3960
do_sys_openat2+0x17a/0x1e0 fs/open.c:1415
do_sys_open fs/open.c:1430 [inline]
__do_sys_openat fs/open.c:1446 [inline]
__se_sys_openat fs/open.c:1441 [inline]
__x64_sys_openat+0x175/0x210 fs/open.c:1441
do_syscall_x64 arch/x86/entry/common.c:52 [inline]
do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f713997c911
RSP: 002b:00007ffd8035a6f0 EFLAGS: 00000202
ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f713997c911
RDX: 0000000000000002 RSI: 00007f71399f033b RDI: 00000000ffffff9c
RBP: 00007f71399f033b R08: 0000000000000005 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000000
R13: 0000000000000003 R14: 0000000000000009 R15: 0000000000000000
Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings
INFO: task syz-executor:5447 blocked for more than 153 seconds.
Not tainted 6.12.0-rc3-syzkaller-00044-g2f87d0916ce0 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor state:D stack:26112 pid:5447 tgid:5447 ppid:5217 flags:0x00000000
Call Trace:
context_switch kernel/sched/core.c:5322 [inline]
__schedule+0xef5/0x5750 kernel/sched/core.c:6682