INFO: task syz-executor.4:28505 blocked for more than 143 seconds.
Not tainted 5.16.0-rc7-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.4 state:D stack:27688 pid:28505 ppid: 28484 flags:0x00004000
Call Trace:
context_switch kernel/sched/core.c:4972 [inline]
__schedule+0xa9a/0x4900 kernel/sched/core.c:6253
schedule+0xd2/0x260 kernel/sched/core.c:6326
rwsem_down_write_slowpath+0x634/0x1110 kernel/locking/rwsem.c:1151
__down_write_common kernel/locking/rwsem.c:1268 [inline]
__down_write_common kernel/locking/rwsem.c:1265 [inline]
__down_write kernel/locking/rwsem.c:1277 [inline]
down_write+0x135/0x150 kernel/locking/rwsem.c:1524
namespace_lock fs/namespace.c:1458 [inline]
copy_mnt_ns+0x13d/0xae0 fs/namespace.c:3423
create_new_namespaces+0xd6/0xb20 kernel/nsproxy.c:78
copy_namespaces+0x391/0x450 kernel/nsproxy.c:178
copy_process+0x2da7/0x75a0 kernel/fork.c:2194
kernel_clone+0xe7/0xab0 kernel/fork.c:2582
__do_sys_clone+0xc8/0x110 kernel/fork.c:2699
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x44/0xae
RIP: 0033:0x7fd071641e99
RSP: 002b:00007fd06ff96168 EFLAGS: 00000246
ORIG_RAX: 0000000000000038
RAX: ffffffffffffffda RBX: 00007fd071755030 RCX: 00007fd071641e99
RDX: 0000000020000000 RSI: 0000000020002780 RDI: 0000000000020000
RBP: 00007fd07169bff1 R08: 0000000020001640 R09: 0000000000000000
R10: 0000000020001140 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fffc657cb7f R14: 00007fd06ff96300 R15: 0000000000022000
INFO: task syz-executor.4:28542 blocked for more than 144 seconds.
Not tainted 5.16.0-rc7-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.4 state:D
stack:27688 pid:28542 ppid: 28502 flags:0x00000000
Call Trace:
context_switch kernel/sched/core.c:4972 [inline]
__schedule+0xa9a/0x4900 kernel/sched/core.c:6253
schedule+0xd2/0x260 kernel/sched/core.c:6326
rwsem_down_write_slowpath+0x634/0x1110 kernel/locking/rwsem.c:1151
__down_write_common kernel/locking/rwsem.c:1268 [inline]
__down_write_common kernel/locking/rwsem.c:1265 [inline]
__down_write kernel/locking/rwsem.c:1277 [inline]
down_write+0x135/0x150 kernel/locking/rwsem.c:1524
namespace_lock fs/namespace.c:1458 [inline]
copy_mnt_ns+0x13d/0xae0 fs/namespace.c:3423
create_new_namespaces+0xd6/0xb20 kernel/nsproxy.c:78
copy_namespaces+0x391/0x450 kernel/nsproxy.c:178
copy_process+0x2da7/0x75a0 kernel/fork.c:2194
kernel_clone+0xe7/0xab0 kernel/fork.c:2582
__do_sys_clone+0xc8/0x110 kernel/fork.c:2699
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x44/0xae
RIP: 0033:0x7fd071641e99
RSP: 002b:00007fd06ff96168 EFLAGS: 00000246 ORIG_RAX: 0000000000000038
RAX: ffffffffffffffda RBX: 00007fd071755030 RCX: 00007fd071641e99
RDX: 0000000020000000 RSI: 0000000020002780 RDI: 0000000000020000
RBP: 00007fd07169bff1 R08: 0000000020001640 R09: 0000000000000000
R10: 0000000020001140 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fffc657cb7f R14: 00007fd06ff96300 R15: 0000000000022000
INFO: task syz-executor.4:28546 blocked for more than 145 seconds.
Not tainted 5.16.0-rc7-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.4 state:D
stack:26568 pid:28546 ppid: 28505 flags:0x00004000
Call Trace:
context_switch kernel/sched/core.c:4972 [inline]
__schedule+0xa9a/0x4900 kernel/sched/core.c:6253
schedule+0xd2/0x260 kernel/sched/core.c:6326
rwsem_down_write_slowpath+0x634/0x1110 kernel/locking/rwsem.c:1151
__down_write_common kernel/locking/rwsem.c:1268 [inline]
__down_write_common kernel/locking/rwsem.c:1265 [inline]
__down_write kernel/locking/rwsem.c:1277 [inline]
down_write+0x135/0x150 kernel/locking/rwsem.c:1524
namespace_lock fs/namespace.c:1458 [inline]
copy_mnt_ns+0x13d/0xae0 fs/namespace.c:3423
create_new_namespaces+0xd6/0xb20 kernel/nsproxy.c:78
copy_namespaces+0x391/0x450 kernel/nsproxy.c:178
copy_process+0x2da7/0x75a0 kernel/fork.c:2194
kernel_clone+0xe7/0xab0 kernel/fork.c:2582
__do_sys_clone+0xc8/0x110 kernel/fork.c:2699
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x44/0xae
RIP: 0033:0x7fd071641e99
RSP: 002b:00007fd06ff96168 EFLAGS: 00000246
ORIG_RAX: 0000000000000038
RAX: ffffffffffffffda RBX: 00007fd071755030 RCX: 00007fd071641e99
RDX: 0000000020000000 RSI: 0000000020002780 RDI: 0000000000020000
RBP: 00007fd07169bff1 R08: 0000000020001640 R09: 0000000000000000
R10: 0000000020001140 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fffc657cb7f R14: 00007fd06ff96300 R15: 0000000000022000
INFO: task syz-executor.4:28552 blocked for more than 146 seconds.
Not tainted 5.16.0-rc7-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.4 state:D
stack:27176 pid:28552 ppid: 28484 flags:0x00004000
Call Trace:
context_switch kernel/sched/core.c:4972 [inline]
__schedule+0xa9a/0x4900 kernel/sched/core.c:6253
schedule+0xd2/0x260 kernel/sched/core.c:6326
rwsem_down_write_slowpath+0x634/0x1110 kernel/locking/rwsem.c:1151
__down_write_common kernel/locking/rwsem.c:1268 [inline]
__down_write_common kernel/locking/rwsem.c:1265 [inline]
__down_write kernel/locking/rwsem.c:1277 [inline]
down_write+0x135/0x150 kernel/locking/rwsem.c:1524
namespace_lock fs/namespace.c:1458 [inline]
copy_mnt_ns+0x13d/0xae0 fs/namespace.c:3423
create_new_namespaces+0xd6/0xb20 kernel/nsproxy.c:78
copy_namespaces+0x391/0x450 kernel/nsproxy.c:178
copy_process+0x2da7/0x75a0 kernel/fork.c:2194
kernel_clone+0xe7/0xab0 kernel/fork.c:2582
__do_sys_clone+0xc8/0x110 kernel/fork.c:2699
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x44/0xae
RIP: 0033:0x7fd071641e99
RSP: 002b:00007fd06ff96168 EFLAGS: 00000246
ORIG_RAX: 0000000000000038
RAX: ffffffffffffffda RBX: 00007fd071755030 RCX: 00007fd071641e99
RDX: 0000000020000000 RSI: 0000000020002780 RDI: 0000000000020000
RBP: 00007fd07169bff1 R08: 0000000020001640 R09: 0000000000000000
R10: 0000000020001140 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fffc657cb7f R14: 00007fd06ff96300 R15: 0000000000022000
INFO: task syz-executor.4:28579 blocked for more than 147 seconds.
Not tainted 5.16.0-rc7-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.4 state:D
stack:27320 pid:28579 ppid: 28543 flags:0x00004000
Call Trace:
context_switch kernel/sched/core.c:4972 [inline]
__schedule+0xa9a/0x4900 kernel/sched/core.c:6253
schedule+0xd2/0x260 kernel/sched/core.c:6326
rwsem_down_write_slowpath+0x634/0x1110 kernel/locking/rwsem.c:1151
__down_write_common kernel/locking/rwsem.c:1268 [inline]
__down_write_common kernel/locking/rwsem.c:1265 [inline]
__down_write kernel/locking/rwsem.c:1277 [inline]
down_write+0x135/0x150 kernel/locking/rwsem.c:1524
namespace_lock fs/namespace.c:1458 [inline]
copy_mnt_ns+0x13d/0xae0 fs/namespace.c:3423
create_new_namespaces+0xd6/0xb20 kernel/nsproxy.c:78
copy_namespaces+0x391/0x450 kernel/nsproxy.c:178
copy_process+0x2da7/0x75a0 kernel/fork.c:2194
kernel_clone+0xe7/0xab0 kernel/fork.c:2582
__do_sys_clone+0xc8/0x110 kernel/fork.c:2699
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x44/0xae
RIP: 0033:0x7fd071641e99
RSP: 002b:00007fd06ff96168 EFLAGS: 00000246
ORIG_RAX: 0000000000000038
RAX: ffffffffffffffda RBX: 00007fd071755030 RCX: 00007fd071641e99
RDX: 0000000020000000 RSI: 0000000020002780 RDI: 0000000000020000
RBP: 00007fd07169bff1 R08: 0000000020001640 R09: 0000000000000000
R10: 0000000020001140 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fffc657cb7f R14: 00007fd06ff96300 R15: 0000000000022000
INFO: task syz-executor.4:28580 blocked for more than 147 seconds.
Not tainted 5.16.0-rc7-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.4 state:D
stack:27688 pid:28580 ppid: 28548 flags:0x00004000
Call Trace:
context_switch kernel/sched/core.c:4972 [inline]
__schedule+0xa9a/0x4900 kernel/sched/core.c:6253
schedule+0xd2/0x260 kernel/sched/core.c:6326
rwsem_down_write_slowpath+0x634/0x1110 kernel/locking/rwsem.c:1151
__down_write_common kernel/locking/rwsem.c:1268 [inline]
__down_write_common kernel/locking/rwsem.c:1265 [inline]
__down_write kernel/locking/rwsem.c:1277 [inline]
down_write+0x135/0x150 kernel/locking/rwsem.c:1524
namespace_lock fs/namespace.c:1458 [inline]
copy_mnt_ns+0x13d/0xae0 fs/namespace.c:3423
create_new_namespaces+0xd6/0xb20 kernel/nsproxy.c:78
copy_namespaces+0x391/0x450 kernel/nsproxy.c:178
copy_process+0x2da7/0x75a0 kernel/fork.c:2194
kernel_clone+0xe7/0xab0 kernel/fork.c:2582
__do_sys_clone+0xc8/0x110 kernel/fork.c:2699
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x44/0xae
RIP: 0033:0x7fd071641e99
RSP: 002b:00007fd06ff96168 EFLAGS: 00000246
ORIG_RAX: 0000000000000038
RAX: ffffffffffffffda RBX: 00007fd071755030 RCX: 00007fd071641e99
RDX: 0000000020000000 RSI: 0000000020002780 RDI: 0000000000020000
RBP: 00007fd07169bff1 R08: 0000000020001640 R09: 0000000000000000
R10: 0000000020001140 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fffc657cb7f R14: 00007fd06ff96300 R15: 0000000000022000
INFO: task syz-executor.4:28587 blocked for more than 148 seconds.
Not tainted 5.16.0-rc7-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.4 state:D
stack:27488 pid:28587 ppid: 28528 flags:0x00004000
Call Trace:
context_switch kernel/sched/core.c:4972 [inline]
__schedule+0xa9a/0x4900 kernel/sched/core.c:6253
schedule+0xd2/0x260 kernel/sched/core.c:6326
rwsem_down_write_slowpath+0x634/0x1110 kernel/locking/rwsem.c:1151
__down_write_common kernel/locking/rwsem.c:1268 [inline]
__down_write_common kernel/locking/rwsem.c:1265 [inline]
__down_write kernel/locking/rwsem.c:1277 [inline]
down_write+0x135/0x150 kernel/locking/rwsem.c:1524
namespace_lock fs/namespace.c:1458 [inline]
copy_mnt_ns+0x13d/0xae0 fs/namespace.c:3423
create_new_namespaces+0xd6/0xb20 kernel/nsproxy.c:78
copy_namespaces+0x391/0x450 kernel/nsproxy.c:178
copy_process+0x2da7/0x75a0 kernel/fork.c:2194
kernel_clone+0xe7/0xab0 kernel/fork.c:2582
__do_sys_clone+0xc8/0x110 kernel/fork.c:2699
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x44/0xae
RIP: 0033:0x7fd071641e99
RSP: 002b:00007fd06ff96168 EFLAGS: 00000246
ORIG_RAX: 0000000000000038
RAX: ffffffffffffffda RBX: 00007fd071755030 RCX: 00007fd071641e99
RDX: 0000000020000000 RSI: 0000000020002780 RDI: 0000000000020000
RBP: 00007fd07169bff1 R08: 0000000020001640 R09: 0000000000000000
R10: 0000000020001140 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fffc657cb7f R14: 00007fd06ff96300 R15: 0000000000022000
INFO: task syz-executor.4:28608 blocked for more than 149 seconds.
Not tainted 5.16.0-rc7-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.4 state:D stack:27472 pid:28608 ppid: 28464 flags:0x00004000
Call Trace:
context_switch kernel/sched/core.c:4972 [inline]
__schedule+0xa9a/0x4900 kernel/sched/core.c:6253
schedule+0xd2/0x260 kernel/sched/core.c:6326
rwsem_down_write_slowpath+0x634/0x1110 kernel/locking/rwsem.c:1151
__down_write_common kernel/locking/rwsem.c:1268 [inline]
__down_write_common kernel/locking/rwsem.c:1265 [inline]
__down_write kernel/locking/rwsem.c:1277 [inline]
down_write+0x135/0x150 kernel/locking/rwsem.c:1524
namespace_lock fs/namespace.c:1458 [inline]
copy_mnt_ns+0x13d/0xae0 fs/namespace.c:3423
create_new_namespaces+0xd6/0xb20 kernel/nsproxy.c:78
copy_namespaces+0x391/0x450 kernel/nsproxy.c:178
copy_process+0x2da7/0x75a0 kernel/fork.c:2194
kernel_clone+0xe7/0xab0 kernel/fork.c:2582
__do_sys_clone+0xc8/0x110 kernel/fork.c:2699
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x44/0xae
RIP: 0033:0x7fd071641e99
RSP: 002b:00007fd06ff96168 EFLAGS: 00000246 ORIG_RAX: 0000000000000038
RAX: ffffffffffffffda RBX: 00007fd071755030 RCX: 00007fd071641e99
RDX: 0000000020000000 RSI: 0000000020002780 RDI: 0000000000020000
RBP: 00007fd07169bff1 R08: 0000000020001640 R09: 0000000000000000
R10: 0000000020001140 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fffc657cb7f R14: 00007fd06ff96300 R15: 0000000000022000
INFO: task syz-executor.4:28609 blocked for more than 150 seconds.
Not tainted 5.16.0-rc7-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.4 state:D stack:27688 pid:28609 ppid: 28464 flags:0x00004000
Call Trace:
context_switch kernel/sched/core.c:4972 [inline]
__schedule+0xa9a/0x4900 kernel/sched/core.c:6253
schedule+0xd2/0x260 kernel/sched/core.c:6326
rwsem_down_write_slowpath+0x634/0x1110 kernel/locking/rwsem.c:1151
__down_write_common kernel/locking/rwsem.c:1268 [inline]
__down_write_common kernel/locking/rwsem.c:1265 [inline]
__down_write kernel/locking/rwsem.c:1277 [inline]
down_write+0x135/0x150 kernel/locking/rwsem.c:1524
namespace_lock fs/namespace.c:1458 [inline]
copy_mnt_ns+0x13d/0xae0 fs/namespace.c:3423
create_new_namespaces+0xd6/0xb20 kernel/nsproxy.c:78
copy_namespaces+0x391/0x450 kernel/nsproxy.c:178
copy_process+0x2da7/0x75a0 kernel/fork.c:2194
kernel_clone+0xe7/0xab0 kernel/fork.c:2582
__do_sys_clone+0xc8/0x110 kernel/fork.c:2699
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x44/0xae
RIP: 0033:0x7fd071641e99
RSP: 002b:00007fd06ff96168 EFLAGS: 00000246
ORIG_RAX: 0000000000000038
RAX: ffffffffffffffda RBX: 00007fd071755030 RCX: 00007fd071641e99
RDX: 0000000020000000 RSI: 0000000020002780 RDI: 0000000000020000
RBP: 00007fd07169bff1 R08: 0000000020001640 R09: 0000000000000000
R10: 0000000020001140 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fffc657cb7f R14: 00007fd06ff96300 R15: 0000000000022000
INFO: task syz-executor.4:28617 blocked for more than 151 seconds.
Not tainted 5.16.0-rc7-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.4 state:D
stack:27688 pid:28617 ppid: 28605 flags:0x00004000
Call Trace:
context_switch kernel/sched/core.c:4972 [inline]
__schedule+0xa9a/0x4900 kernel/sched/core.c:6253
schedule+0xd2/0x260 kernel/sched/core.c:6326
rwsem_down_write_slowpath+0x634/0x1110 kernel/locking/rwsem.c:1151
__down_write_common kernel/locking/rwsem.c:1268 [inline]
__down_write_common kernel/locking/rwsem.c:1265 [inline]
__down_write kernel/locking/rwsem.c:1277 [inline]
down_write+0x135/0x150 kernel/locking/rwsem.c:1524
namespace_lock fs/namespace.c:1458 [inline]
copy_mnt_ns+0x13d/0xae0 fs/namespace.c:3423
create_new_namespaces+0xd6/0xb20 kernel/nsproxy.c:78
copy_namespaces+0x391/0x450 kernel/nsproxy.c:178
copy_process+0x2da7/0x75a0 kernel/fork.c:2194
kernel_clone+0xe7/0xab0 kernel/fork.c:2582
__do_sys_clone+0xc8/0x110 kernel/fork.c:2699
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x44/0xae
RIP: 0033:0x7fd071641e99
RSP: 002b:00007fd06ff96168 EFLAGS: 00000246
ORIG_RAX: 0000000000000038
RAX: ffffffffffffffda RBX: 00007fd071755030 RCX: 00007fd071641e99
RDX: 0000000020000000 RSI: 0000000020002780 RDI: 0000000000020000
RBP: 00007fd07169bff1 R08: 0000000020001640 R09: 0000000000000000
R10: 0000000020001140 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fffc657cb7f R14: 00007fd06ff96300 R15: 0000000000022000
Showing all locks held in the system:
1 lock held by khungtaskd/27:
#0:
ffffffff8bb83da0
(rcu_read_lock
){....}-{1:2}
, at: debug_show_all_locks+0x53/0x260 kernel/locking/lockdep.c:6458
2 locks held by getty/3278:
#0:
ffff88807e169098