INFO: task syz-executor:5232 blocked for more than 143 seconds.
Not tainted 6.12.0-rc3-next-20241015-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor state:D stack:20272 pid:5232 tgid:5232 ppid:1 flags:0x00004006
Call Trace:
context_switch kernel/sched/core.c:5328 [inline]
__schedule+0x18af/0x4bd0 kernel/sched/core.c:6690
__schedule_loop kernel/sched/core.c:6767 [inline]
schedule+0x14b/0x320 kernel/sched/core.c:6782
schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6839
rwsem_down_read_slowpath kernel/locking/rwsem.c:1084 [inline]
__down_read_common kernel/locking/rwsem.c:1248 [inline]
__down_read kernel/locking/rwsem.c:1261 [inline]
down_read+0x705/0xa40 kernel/locking/rwsem.c:1526
kernfs_find_and_get_ns+0x71/0x110 fs/kernfs/dir.c:918
kernfs_find_and_get include/linux/kernfs.h:604 [inline]
sysfs_unmerge_group+0x62/0x130 fs/sysfs/group.c:396
dpm_sysfs_remove+0x5d/0xc0 drivers/base/power/sysfs.c:833
device_del+0x291/0x9b0 drivers/base/core.c:3839
rfkill_unregister+0xc2/0x230 net/rfkill/core.c:1143
hci_unregister_dev+0x366/0x510 net/bluetooth/hci_core.c:2715
vhci_release+0x80/0xd0 drivers/bluetooth/hci_vhci.c:664
__fput+0x23c/0xa50 fs/file_table.c:434
task_work_run+0x24f/0x310 kernel/task_work.c:239
exit_task_work include/linux/task_work.h:43 [inline]
do_exit+0xa2f/0x28e0 kernel/exit.c:938
do_group_exit+0x207/0x2c0 kernel/exit.c:1087
get_signal+0x16a3/0x1740 kernel/signal.c:2917
arch_do_signal_or_restart+0x96/0x860 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+0xc9/0x370 kernel/entry/common.c:218
do_syscall_64+0x100/0x230 arch/x86/entry/common.c:89
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f38a7f74257
RSP: 002b:00007ffd5949ccc0 EFLAGS: 00000293
ORIG_RAX: 000000000000003d
RAX: fffffffffffffe00 RBX: 00000000000001d1 RCX: 00007f38a7f74257
RDX: 0000000040000000 RSI: 00007ffd5949cd1c RDI: 00000000ffffffff
RBP: 00007ffd5949cd1c R08: 0000000000000000 R09: 7fffffffffffffff
R10: 0000000000000000 R11: 0000000000000293 R12: 000055558ad795eb
R13: 000055558ad79590 R14: 000000000003acb1 R15: 00007ffd5949cd70
INFO: task syz-executor:5234 blocked for more than 144 seconds.
Not tainted 6.12.0-rc3-next-20241015-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor state:D stack:19120 pid:5234 tgid:5234 ppid:1 flags:0x00004006
Call Trace:
context_switch kernel/sched/core.c:5328 [inline]
__schedule+0x18af/0x4bd0 kernel/sched/core.c:6690
__schedule_loop kernel/sched/core.c:6767 [inline]
schedule+0x14b/0x320 kernel/sched/core.c:6782
schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6839
rwsem_down_read_slowpath kernel/locking/rwsem.c:1084 [inline]
__down_read_common kernel/locking/rwsem.c:1248 [inline]
__down_read kernel/locking/rwsem.c:1261 [inline]
down_read+0x705/0xa40 kernel/locking/rwsem.c:1526
kernfs_find_and_get_ns+0x71/0x110 fs/kernfs/dir.c:918
kernfs_find_and_get include/linux/kernfs.h:604 [inline]
sysfs_unmerge_group+0x62/0x130 fs/sysfs/group.c:396
dpm_sysfs_remove+0x5d/0xc0 drivers/base/power/sysfs.c:833
device_del+0x291/0x9b0 drivers/base/core.c:3839
device_unregister+0x20/0xc0 drivers/base/core.c:3905
hci_conn_cleanup net/bluetooth/hci_conn.c:174 [inline]
hci_conn_del+0x8c4/0xc40 net/bluetooth/hci_conn.c:1163
hci_conn_hash_flush+0x18e/0x240 net/bluetooth/hci_conn.c:2586
hci_dev_close_sync+0x9ef/0x11a0 net/bluetooth/hci_sync.c:5195
hci_dev_do_close net/bluetooth/hci_core.c:483 [inline]
hci_unregister_dev+0x20b/0x510 net/bluetooth/hci_core.c:2698
vhci_release+0x80/0xd0 drivers/bluetooth/hci_vhci.c:664
__fput+0x23c/0xa50 fs/file_table.c:434
task_work_run+0x24f/0x310 kernel/task_work.c:239
exit_task_work include/linux/task_work.h:43 [inline]
do_exit+0xa2f/0x28e0 kernel/exit.c:938
do_group_exit+0x207/0x2c0 kernel/exit.c:1087
get_signal+0x16a3/0x1740 kernel/signal.c:2917
arch_do_signal_or_restart+0x96/0x860 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+0xc9/0x370 kernel/entry/common.c:218
do_syscall_64+0x100/0x230 arch/x86/entry/common.c:89
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7ff119174257
RSP: 002b:00007ffdb7ce26f0 EFLAGS: 00000293 ORIG_RAX: 000000000000003d
RAX: fffffffffffffe00 RBX: 000000000000020e RCX: 00007ff119174257
RDX: 0000000040000000 RSI: 00007ffdb7ce274c RDI: 00000000ffffffff
RBP: 00007ffdb7ce274c R08: 0000000000000000 R09: 7fffffffffffffff
R10: 0000000000000000 R11: 0000000000000293 R12: 00005555872455eb
R13: 0000555587245590 R14: 000000000003ac83 R15: 00007ffdb7ce27a0
INFO: task kworker/u9:3:5239 blocked for more than 145 seconds.
Not tainted 6.12.0-rc3-next-20241015-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/u9:3 state:D stack:25392 pid:5239 tgid:5239 ppid:2 flags:0x00004000
Workqueue: hci5 hci_rx_work
Call Trace:
context_switch kernel/sched/core.c:5328 [inline]
__schedule+0x18af/0x4bd0 kernel/sched/core.c:6690
__schedule_loop kernel/sched/core.c:6767 [inline]
schedule+0x14b/0x320 kernel/sched/core.c:6782
schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6839
rwsem_down_write_slowpath+0xeee/0x13b0 kernel/locking/rwsem.c:1176
__down_write_common kernel/locking/rwsem.c:1304 [inline]
__down_write kernel/locking/rwsem.c:1313 [inline]
down_write+0x1d7/0x220 kernel/locking/rwsem.c:1578
kernfs_add_one+0x9a/0x8b0 fs/kernfs/dir.c:778
kernfs_create_dir_ns+0xd9/0x120 fs/kernfs/dir.c:1071
sysfs_create_dir_ns+0x189/0x3a0 fs/sysfs/dir.c:59
create_dir lib/kobject.c:73 [inline]
kobject_add_internal+0x435/0x8d0 lib/kobject.c:240
kobject_add_varg lib/kobject.c:374 [inline]
kobject_add+0x152/0x220 lib/kobject.c:426
device_add+0x4e5/0xbf0 drivers/base/core.c:3613
hci_conn_add_sysfs+0xe8/0x200 net/bluetooth/hci_sysfs.c:58
hci_conn_complete_evt+0x86c/0x1440 net/bluetooth/hci_event.c:3147
hci_event_func net/bluetooth/hci_event.c:7443 [inline]
hci_event_packet+0xac2/0x1540 net/bluetooth/hci_event.c:7495
hci_rx_work+0x3df/0xdd0 net/bluetooth/hci_core.c:4035
process_one_work kernel/workqueue.c:3229 [inline]
process_scheduled_works+0xa63/0x1850 kernel/workqueue.c:3310
worker_thread+0x870/0xd30 kernel/workqueue.c:3391
kthread+0x2f0/0x390 kernel/kthread.c:389
ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:147
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
INFO: task syz-executor:5242 blocked for more than 147 seconds.
Not tainted 6.12.0-rc3-next-20241015-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor state:D stack:19472 pid:5242 tgid:5242 ppid:1 flags:0x00004006
Call Trace:
context_switch kernel/sched/core.c:5328 [inline]
__schedule+0x18af/0x4bd0 kernel/sched/core.c:6690
__schedule_loop kernel/sched/core.c:6767 [inline]
schedule+0x14b/0x320 kernel/sched/core.c:6782
schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6839
rwsem_down_read_slowpath kernel/locking/rwsem.c:1084 [inline]
__down_read_common kernel/locking/rwsem.c:1248 [inline]
__down_read kernel/locking/rwsem.c:1261 [inline]
down_read+0x705/0xa40 kernel/locking/rwsem.c:1526
kernfs_find_and_get_ns+0x71/0x110 fs/kernfs/dir.c:918
kernfs_find_and_get include/linux/kernfs.h:604 [inline]
sysfs_unmerge_group+0x62/0x130 fs/sysfs/group.c:396
dpm_sysfs_remove+0x5d/0xc0 drivers/base/power/sysfs.c:833
device_del+0x291/0x9b0 drivers/base/core.c:3839
device_unregister+0x20/0xc0 drivers/base/core.c:3905
hci_conn_cleanup net/bluetooth/hci_conn.c:174 [inline]
hci_conn_del+0x8c4/0xc40 net/bluetooth/hci_conn.c:1163
hci_conn_hash_flush+0x18e/0x240 net/bluetooth/hci_conn.c:2586
hci_dev_close_sync+0x9ef/0x11a0 net/bluetooth/hci_sync.c:5195
hci_dev_do_close net/bluetooth/hci_core.c:483 [inline]
hci_unregister_dev+0x20b/0x510 net/bluetooth/hci_core.c:2698
vhci_release+0x80/0xd0 drivers/bluetooth/hci_vhci.c:664
__fput+0x23c/0xa50 fs/file_table.c:434
task_work_run+0x24f/0x310 kernel/task_work.c:239
exit_task_work include/linux/task_work.h:43 [inline]
do_exit+0xa2f/0x28e0 kernel/exit.c:938
do_group_exit+0x207/0x2c0 kernel/exit.c:1087
get_signal+0x16a3/0x1740 kernel/signal.c:2917
arch_do_signal_or_restart+0x96/0x860 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+0xc9/0x370 kernel/entry/common.c:218
do_syscall_64+0x100/0x230 arch/x86/entry/common.c:89
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fea99174257
RSP: 002b:00007ffdd78ccc50 EFLAGS: 00000293
ORIG_RAX: 000000000000003d
RAX: fffffffffffffe00 RBX: 0000000000000204 RCX: 00007fea99174257
RDX: 0000000040000000 RSI: 00007ffdd78cccac RDI: 00000000ffffffff
RBP: 00007ffdd78cccac R08: 0000000000000000 R09: 7fffffffffffffff
R10: 0000000000000000 R11: 0000000000000293 R12: 0000555589e925eb
R13: 0000555589e92590 R14: 000000000003ac7c R15: 00007ffdd78ccd00
INFO: task syz-executor:5243 blocked for more than 148 seconds.
Not tainted 6.12.0-rc3-next-20241015-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor state:D
stack:20576 pid:5243 tgid:5243 ppid:1 flags:0x00004006
Call Trace:
context_switch kernel/sched/core.c:5328 [inline]
__schedule+0x18af/0x4bd0 kernel/sched/core.c:6690
__schedule_loop kernel/sched/core.c:6767 [inline]
schedule+0x14b/0x320 kernel/sched/core.c:6782
schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6839
rwsem_down_read_slowpath kernel/locking/rwsem.c:1084 [inline]
__down_read_common kernel/locking/rwsem.c:1248 [inline]
__down_read kernel/locking/rwsem.c:1261 [inline]
down_read+0x705/0xa40 kernel/locking/rwsem.c:1526
kernfs_find_and_get_ns+0x71/0x110 fs/kernfs/dir.c:918
kernfs_find_and_get include/linux/kernfs.h:604 [inline]
sysfs_unmerge_group+0x62/0x130 fs/sysfs/group.c:396
dpm_sysfs_remove+0x5d/0xc0 drivers/base/power/sysfs.c:833
device_del+0x291/0x9b0 drivers/base/core.c:3839
device_unregister+0x20/0xc0 drivers/base/core.c:3905
hci_conn_cleanup net/bluetooth/hci_conn.c:174 [inline]
hci_conn_del+0x8c4/0xc40 net/bluetooth/hci_conn.c:1163
hci_conn_hash_flush+0x18e/0x240 net/bluetooth/hci_conn.c:2586
hci_dev_close_sync+0x9ef/0x11a0 net/bluetooth/hci_sync.c:5195
hci_dev_do_close net/bluetooth/hci_core.c:483 [inline]
hci_unregister_dev+0x20b/0x510 net/bluetooth/hci_core.c:2698
vhci_release+0x80/0xd0 drivers/bluetooth/hci_vhci.c:664
__fput+0x23c/0xa50 fs/file_table.c:434
task_work_run+0x24f/0x310 kernel/task_work.c:239
exit_task_work include/linux/task_work.h:43 [inline]
do_exit+0xa2f/0x28e0 kernel/exit.c:938
do_group_exit+0x207/0x2c0 kernel/exit.c:1087
get_signal+0x16a3/0x1740 kernel/signal.c:2917
arch_do_signal_or_restart+0x96/0x860 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+0xc9/0x370 kernel/entry/common.c:218
do_syscall_64+0x100/0x230 arch/x86/entry/common.c:89
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7faaa3974257
RSP: 002b:00007ffd36a5cdf0 EFLAGS: 00000293
ORIG_RAX: 000000000000003d
RAX: fffffffffffffe00 RBX: 0000000000000234 RCX: 00007faaa3974257
RDX: 0000000040000000 RSI: 00007ffd36a5ce4c RDI: 00000000ffffffff
RBP: 00007ffd36a5ce4c R08: 0000000000000000 R09: 7fffffffffffffff
R10: 0000000000000000 R11: 0000000000000293 R12: 00005555772665eb
R13: 0000555577266590 R14: 000000000003b20c R15: 00007ffd36a5cea0
INFO: task syz.0.1269:8353 blocked for more than 149 seconds.
Not tainted 6.12.0-rc3-next-20241015-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz.0.1269 state:D
stack:26160 pid:8353 tgid:8352 ppid:5234 flags:0x00004006
Call Trace:
context_switch kernel/sched/core.c:5328 [inline]
__schedule+0x18af/0x4bd0 kernel/sched/core.c:6690
__schedule_loop kernel/sched/core.c:6767 [inline]
schedule+0x14b/0x320 kernel/sched/core.c:6782
schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6839
rwsem_down_write_slowpath+0xeee/0x13b0 kernel/locking/rwsem.c:1176
__down_write_common kernel/locking/rwsem.c:1304 [inline]
__down_write kernel/locking/rwsem.c:1313 [inline]
down_write+0x1d7/0x220 kernel/locking/rwsem.c:1578
kernfs_remove_by_name_ns+0x7a/0x160 fs/kernfs/dir.c:1689
module_remove_driver+0x5e/0x1d0 drivers/base/module.c:108
bus_remove_driver+0x1fb/0x320 drivers/base/bus.c:745
usb_gadget_unregister_driver+0x4e/0x70 drivers/usb/gadget/udc/core.c:1732
raw_release+0xf6/0x1e0 drivers/usb/gadget/legacy/raw_gadget.c:462
__fput+0x23c/0xa50 fs/file_table.c:434
task_work_run+0x24f/0x310 kernel/task_work.c:239
exit_task_work include/linux/task_work.h:43 [inline]
do_exit+0xa2f/0x28e0 kernel/exit.c:938
do_group_exit+0x207/0x2c0 kernel/exit.c:1087
get_signal+0x16a3/0x1740 kernel/signal.c:2917
arch_do_signal_or_restart+0x96/0x860 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+0xc9/0x370 kernel/entry/common.c:218
do_syscall_64+0x100/0x230 arch/x86/entry/common.c:89
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7ff11917dbfb
RSP: 002b:00007ff119f8ef10 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: fffffffffffffffc RBX: 0000000000000003 RCX: 00007ff11917dbfb
RDX: 00007ff119f8ffe0 RSI: 0000000080085502 RDI: 0000000000000003
RBP: 00007ff119f8ffe0 R08: 0000000000000000 R09: 00302e6364755f79
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000080085502
R13: 0000000800000000 R14: 0000000020000140 R15: 00007ff1191fa273
INFO: task syz.2.1271:8355 blocked for more than 150 seconds.
Not tainted 6.12.0-rc3-next-20241015-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz.2.1271 state:D
stack:25808 pid:8355 tgid:8354 ppid:5242 flags:0x00004006
Call Trace:
context_switch kernel/sched/core.c:5328 [inline]
__schedule+0x18af/0x4bd0 kernel/sched/core.c:6690
__schedule_loop kernel/sched/core.c:6767 [inline]
schedule+0x14b/0x320 kernel/sched/core.c:6782
schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6839
rwsem_down_write_slowpath+0xeee/0x13b0 kernel/locking/rwsem.c:1176
__down_write_common kernel/locking/rwsem.c:1304 [inline]
__down_write kernel/locking/rwsem.c:1313 [inline]
down_write+0x1d7/0x220 kernel/locking/rwsem.c:1578
kernfs_remove_by_name_ns+0x7a/0x160 fs/kernfs/dir.c:1689
module_remove_driver+0x5e/0x1d0 drivers/base/module.c:108
bus_remove_driver+0x1fb/0x320 drivers/base/bus.c:745
usb_gadget_unregister_driver+0x4e/0x70 drivers/usb/gadget/udc/core.c:1732
raw_release+0xf6/0x1e0 drivers/usb/gadget/legacy/raw_gadget.c:462
__fput+0x23c/0xa50 fs/file_table.c:434
task_work_run+0x24f/0x310 kernel/task_work.c:239
exit_task_work include/linux/task_work.h:43 [inline]
do_exit+0xa2f/0x28e0 kernel/exit.c:938
do_group_exit+0x207/0x2c0 kernel/exit.c:1087
get_signal+0x16a3/0x1740 kernel/signal.c:2917
arch_do_signal_or_restart+0x96/0x860 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+0xc9/0x370 kernel/entry/common.c:218
do_syscall_64+0x100/0x230 arch/x86/entry/common.c:89
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fea9917dbfb
RSP: 002b:00007fea99eeff10 EFLAGS: 00000246
ORIG_RAX: 0000000000000010
RAX: fffffffffffffffc RBX: 0000000000000003 RCX: 00007fea9917dbfb
RDX: 00007fea99ef0fe0 RSI: 0000000080085502 RDI: 0000000000000003
RBP: 00007fea99ef0fe0 R08: 0000000000000000 R09: 00322e6364755f79
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000080085502
R13: 0000000800000000 R14: 0000000020002680 R15: 00007fea991fa273
INFO: task syz.1.1270:8357 blocked for more than 151 seconds.
Not tainted 6.12.0-rc3-next-20241015-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz.1.1270 state:D
stack:25248 pid:8357 tgid:8356 ppid:5232 flags:0x00004006
Call Trace:
context_switch kernel/sched/core.c:5328 [inline]
__schedule+0x18af/0x4bd0 kernel/sched/core.c:6690
__schedule_loop kernel/sched/core.c:6767 [inline]
schedule+0x14b/0x320 kernel/sched/core.c:6782
schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6839
rwsem_down_write_slowpath+0xeee/0x13b0 kernel/locking/rwsem.c:1176
__down_write_common kernel/locking/rwsem.c:1304 [inline]
__down_write kernel/locking/rwsem.c:1313 [inline]
down_write+0x1d7/0x220 kernel/locking/rwsem.c:1578
kernfs_remove_by_name_ns+0x7a/0x160 fs/kernfs/dir.c:1689
module_remove_driver+0x5e/0x1d0 drivers/base/module.c:108
bus_remove_driver+0x1fb/0x320 drivers/base/bus.c:745
usb_gadget_unregister_driver+0x4e/0x70 drivers/usb/gadget/udc/core.c:1732
raw_release+0xf6/0x1e0 drivers/usb/gadget/legacy/raw_gadget.c:462
__fput+0x23c/0xa50 fs/file_table.c:434
task_work_run+0x24f/0x310 kernel/task_work.c:239
exit_task_work include/linux/task_work.h:43 [inline]
do_exit+0xa2f/0x28e0 kernel/exit.c:938
do_group_exit+0x207/0x2c0 kernel/exit.c:1087
get_signal+0x16a3/0x1740 kernel/signal.c:2917
arch_do_signal_or_restart+0x96/0x860 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+0xc9/0x370 kernel/entry/common.c:218
do_syscall_64+0x100/0x230 arch/x86/entry/common.c:89
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f38a7f7dbfb
RSP: 002b:00007f38a8d3df10 EFLAGS: 00000246
ORIG_RAX: 0000000000000010
RAX: fffffffffffffffc RBX: 0000000000000003 RCX: 00007f38a7f7dbfb
RDX: 00007f38a8d3efe0 RSI: 0000000080085502 RDI: 0000000000000003
RBP: 00007f38a8d3efe0 R08: 0000000000000000 R09: 00312e6364755f79
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000080085502
R13: 0000000800000000 R14: 0000000020001100 R15: 00007f38a7ffa273
INFO: task syz.3.1273:8361 blocked for more than 153 seconds.
Not tainted 6.12.0-rc3-next-20241015-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz.3.1273 state:D
stack:23392 pid:8361 tgid:8360 ppid:5237 flags:0x00004006
Call Trace:
context_switch kernel/sched/core.c:5328 [inline]
__schedule+0x18af/0x4bd0 kernel/sched/core.c:6690
__schedule_loop kernel/sched/core.c:6767 [inline]
schedule+0x14b/0x320 kernel/sched/core.c:6782
schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6839
rwsem_down_read_slowpath kernel/locking/rwsem.c:1084 [inline]
__down_read_common kernel/locking/rwsem.c:1248 [inline]
__down_read kernel/locking/rwsem.c:1261 [inline]
down_read+0x705/0xa40 kernel/locking/rwsem.c:1526