INFO: task syz-executor.0:7705 blocked for more than 143 seconds.
Not tainted 6.9.0-rc7-syzkaller-00136-gf4345f05c0df #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.0 state:D stack:25712 pid:7705 tgid:7703 ppid:7324 flags:0x00000006
Call Trace:
context_switch kernel/sched/core.c:5409 [inline]
__schedule+0x1796/0x4a00 kernel/sched/core.c:6746
__schedule_loop kernel/sched/core.c:6823 [inline]
schedule+0x14b/0x320 kernel/sched/core.c:6838
schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6895
rwsem_down_write_slowpath+0xeeb/0x13b0 kernel/locking/rwsem.c:1178
__down_write_common+0x1af/0x200 kernel/locking/rwsem.c:1306
inode_lock_nested include/linux/fs.h:830 [inline]
lock_rename fs/namei.c:3066 [inline]
do_renameat2+0x62c/0x13f0 fs/namei.c:4972
__do_sys_renameat2 fs/namei.c:5071 [inline]
__se_sys_renameat2 fs/namei.c:5068 [inline]
__x64_sys_renameat2+0xd2/0xf0 fs/namei.c:5068
do_syscall_x64 arch/x86/entry/common.c:52 [inline]
do_syscall_64+0xf5/0x240 arch/x86/entry/common.c:83
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f89b827dd69
RSP: 002b:00007f89b8f8f0c8 EFLAGS: 00000246 ORIG_RAX: 000000000000013c
RAX: ffffffffffffffda RBX: 00007f89b83ac050 RCX: 00007f89b827dd69
RDX: 0000000000000006 RSI: 0000000020000140 RDI: 0000000000000006
RBP: 00007f89b82ca49e R08: 0000000000000000 R09: 0000000000000000
R10: 0000000020000980 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000006e R14: 00007f89b83ac050 R15: 00007ffd4f06a9d8
INFO: task syz-executor.0:7708 blocked for more than 144 seconds.
Not tainted 6.9.0-rc7-syzkaller-00136-gf4345f05c0df #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.0 state:D stack:26992 pid:7708 tgid:7703 ppid:7324 flags:0x00004006
Call Trace:
context_switch kernel/sched/core.c:5409 [inline]
__schedule+0x1796/0x4a00 kernel/sched/core.c:6746
__schedule_loop kernel/sched/core.c:6823 [inline]
schedule+0x14b/0x320 kernel/sched/core.c:6838
schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6895
rwsem_down_write_slowpath+0xeeb/0x13b0 kernel/locking/rwsem.c:1178
__down_write_common+0x1af/0x200 kernel/locking/rwsem.c:1306
inode_lock_nested include/linux/fs.h:830 [inline]
lock_rename fs/namei.c:3066 [inline]
do_renameat2+0x62c/0x13f0 fs/namei.c:4972
__do_sys_renameat2 fs/namei.c:5071 [inline]
__se_sys_renameat2 fs/namei.c:5068 [inline]
__x64_sys_renameat2+0xd2/0xf0 fs/namei.c:5068
do_syscall_x64 arch/x86/entry/common.c:52 [inline]
do_syscall_64+0xf5/0x240 arch/x86/entry/common.c:83
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f89b827dd69
RSP: 002b:00007f89b8f6e0c8 EFLAGS: 00000246 ORIG_RAX: 000000000000013c
RAX: ffffffffffffffda RBX: 00007f89b83ac120 RCX: 00007f89b827dd69
RDX: 0000000000000007 RSI: 0000000020000040 RDI: 0000000000000007
RBP: 00007f89b82ca49e R08: 0000000000000000 R09: 0000000000000000
R10: 0000000020000080 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000006e R14: 00007f89b83ac120 R15: 00007ffd4f06a9d8
INFO: task syz-executor.0:7713 blocked for more than 145 seconds.
Not tainted 6.9.0-rc7-syzkaller-00136-gf4345f05c0df #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.0 state:D stack:26040 pid:7713 tgid:7703 ppid:7324 flags:0x00000006
Call Trace:
context_switch kernel/sched/core.c:5409 [inline]
__schedule+0x1796/0x4a00 kernel/sched/core.c:6746
__schedule_loop kernel/sched/core.c:6823 [inline]
schedule+0x14b/0x320 kernel/sched/core.c:6838
schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6895
rwsem_down_write_slowpath+0xeeb/0x13b0 kernel/locking/rwsem.c:1178
__down_write_common+0x1af/0x200 kernel/locking/rwsem.c:1306
inode_lock_nested include/linux/fs.h:830 [inline]
filename_create+0x260/0x540 fs/namei.c:3892
do_mkdirat+0xbd/0x3a0 fs/namei.c:4138
__do_sys_mkdirat fs/namei.c:4161 [inline]
__se_sys_mkdirat fs/namei.c:4159 [inline]
__x64_sys_mkdirat+0x89/0xa0 fs/namei.c:4159
do_syscall_x64 arch/x86/entry/common.c:52 [inline]
do_syscall_64+0xf5/0x240 arch/x86/entry/common.c:83
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f89b827dd69
RSP: 002b:00007f89b8f4d0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000102
RAX: ffffffffffffffda RBX: 00007f89b83ac1f0 RCX: 00007f89b827dd69
RDX: 0000000000000000 RSI: 0000000020000140 RDI: ffffffffffffff9c
RBP: 00007f89b82ca49e R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000006e R14: 00007f89b83ac1f0 R15: 00007ffd4f06a9d8
INFO: task syz-executor.0:7716 blocked for more than 145 seconds.
Not tainted 6.9.0-rc7-syzkaller-00136-gf4345f05c0df #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.0 state:D stack:27320 pid:7716 tgid:7703 ppid:7324 flags:0x00000006
Call Trace:
context_switch kernel/sched/core.c:5409 [inline]
__schedule+0x1796/0x4a00 kernel/sched/core.c:6746
__schedule_loop kernel/sched/core.c:6823 [inline]
schedule+0x14b/0x320 kernel/sched/core.c:6838
schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6895
rwsem_down_write_slowpath+0xeeb/0x13b0 kernel/locking/rwsem.c:1178
__down_write_common+0x1af/0x200 kernel/locking/rwsem.c:1306
inode_lock include/linux/fs.h:795 [inline]
open_last_lookups fs/namei.c:3563 [inline]
path_openat+0x7d3/0x3240 fs/namei.c:3796
do_filp_open+0x235/0x490 fs/namei.c:3826
do_sys_openat2+0x13e/0x1d0 fs/open.c:1406
do_sys_open fs/open.c:1421 [inline]
__do_sys_openat fs/open.c:1437 [inline]
__se_sys_openat fs/open.c:1432 [inline]
__x64_sys_openat+0x247/0x2a0 fs/open.c:1432
do_syscall_x64 arch/x86/entry/common.c:52 [inline]
do_syscall_64+0xf5/0x240 arch/x86/entry/common.c:83
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f89b827dd69
RSP: 002b:00007f89b8f2c0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 00007f89b83ac2c0 RCX: 00007f89b827dd69
RDX: 00000000000026e1 RSI: 00000000200000c0 RDI: ffffffffffffff9c
RBP: 00007f89b82ca49e R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000006e R14: 00007f89b83ac2c0 R15: 00007ffd4f06a9d8
INFO: task syz-executor.0:7719 blocked for more than 146 seconds.
Not tainted 6.9.0-rc7-syzkaller-00136-gf4345f05c0df #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.0 state:D stack:27344 pid:7719 tgid:7703 ppid:7324 flags:0x00004006
Call Trace:
context_switch kernel/sched/core.c:5409 [inline]
__schedule+0x1796/0x4a00 kernel/sched/core.c:6746
__schedule_loop kernel/sched/core.c:6823 [inline]
schedule+0x14b/0x320 kernel/sched/core.c:6838
schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6895
rwsem_down_read_slowpath kernel/locking/rwsem.c:1086 [inline]
__down_read_common kernel/locking/rwsem.c:1250 [inline]
__down_read kernel/locking/rwsem.c:1263 [inline]
down_read+0x705/0xa40 kernel/locking/rwsem.c:1528
inode_lock_shared include/linux/fs.h:805 [inline]
open_last_lookups fs/namei.c:3565 [inline]
path_openat+0x7c4/0x3240 fs/namei.c:3796
do_filp_open+0x235/0x490 fs/namei.c:3826
do_sys_openat2+0x13e/0x1d0 fs/open.c:1406
do_sys_open fs/open.c:1421 [inline]
__do_sys_openat fs/open.c:1437 [inline]
__se_sys_openat fs/open.c:1432 [inline]
__x64_sys_openat+0x247/0x2a0 fs/open.c:1432
do_syscall_x64 arch/x86/entry/common.c:52 [inline]
do_syscall_64+0xf5/0x240 arch/x86/entry/common.c:83
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f89b827dd69
RSP: 002b:00007f89b8f0b0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 00007f89b83ac390 RCX: 00007f89b827dd69
RDX: 0000000000100002 RSI: 0000000020000000 RDI: ffffffffffffff9c
RBP: 00007f89b82ca49e R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000006e R14: 00007f89b83ac390 R15: 00007ffd4f06a9d8
INFO: task syz-executor.0:7720 blocked for more than 147 seconds.
Not tainted 6.9.0-rc7-syzkaller-00136-gf4345f05c0df #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.0 state:D stack:24216 pid:7720 tgid:7703 ppid:7324 flags:0x00000006
Call Trace:
context_switch kernel/sched/core.c:5409 [inline]
__schedule+0x1796/0x4a00 kernel/sched/core.c:6746
__schedule_loop kernel/sched/core.c:6823 [inline]
schedule+0x14b/0x320 kernel/sched/core.c:6838
schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6895
rwsem_down_write_slowpath+0xeeb/0x13b0 kernel/locking/rwsem.c:1178
__down_write_common+0x1af/0x200 kernel/locking/rwsem.c:1306
inode_lock_nested include/linux/fs.h:830 [inline]
do_rmdir+0x263/0x580 fs/namei.c:4253
__do_sys_rmdir fs/namei.c:4284 [inline]
__se_sys_rmdir fs/namei.c:4282 [inline]
__x64_sys_rmdir+0x49/0x60 fs/namei.c:4282
do_syscall_x64 arch/x86/entry/common.c:52 [inline]
do_syscall_64+0xf5/0x240 arch/x86/entry/common.c:83
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f89b827dd69
RSP: 002b:00007f89b7dff0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000054
RAX: ffffffffffffffda RBX: 00007f89b83ac460 RCX: 00007f89b827dd69
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000020000e00
RBP: 00007f89b82ca49e R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000006e R14: 00007f89b83ac460 R15: 00007ffd4f06a9d8
INFO: task syz-executor.0:7728 blocked for more than 148 seconds.
Not tainted 6.9.0-rc7-syzkaller-00136-gf4345f05c0df #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.0 state:D stack:28784 pid:7728 tgid:7703 ppid:7324 flags:0x00000006
Call Trace:
context_switch kernel/sched/core.c:5409 [inline]
__schedule+0x1796/0x4a00 kernel/sched/core.c:6746
__schedule_loop kernel/sched/core.c:6823 [inline]
schedule+0x14b/0x320 kernel/sched/core.c:6838
schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6895
rwsem_down_read_slowpath kernel/locking/rwsem.c:1086 [inline]
__down_read_common kernel/locking/rwsem.c:1250 [inline]
__down_read kernel/locking/rwsem.c:1263 [inline]
down_read+0x705/0xa40 kernel/locking/rwsem.c:1528
inode_lock_shared include/linux/fs.h:805 [inline]
lookup_slow+0x45/0x70 fs/namei.c:1708
walk_component+0x2e1/0x410 fs/namei.c:2004
lookup_last fs/namei.c:2461 [inline]
path_lookupat+0x16f/0x450 fs/namei.c:2485
filename_lookup+0x256/0x610 fs/namei.c:2514
user_path_at_empty+0x42/0x60 fs/namei.c:2921
user_path_at include/linux/namei.h:57 [inline]
do_mount fs/namespace.c:3689 [inline]
__do_sys_mount fs/namespace.c:3898 [inline]
__se_sys_mount+0x29a/0x3c0 fs/namespace.c:3875
do_syscall_x64 arch/x86/entry/common.c:52 [inline]
do_syscall_64+0xf5/0x240 arch/x86/entry/common.c:83
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f89b827dd69
RSP: 002b:00007f89b7dbd0c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00007f89b83ac600 RCX: 00007f89b827dd69
RDX: 0000000020000080 RSI: 00000000200003c0 RDI: 0000000000000000
RBP: 00007f89b82ca49e R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000004000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000006e R14: 00007f89b83ac600 R15: 00007ffd4f06a9d8
INFO: task syz-executor.0:7729 blocked for more than 149 seconds.
Not tainted 6.9.0-rc7-syzkaller-00136-gf4345f05c0df #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.0 state:D stack:26968 pid:7729 tgid:7703 ppid:7324 flags:0x00000006
Call Trace:
context_switch kernel/sched/core.c:5409 [inline]
__schedule+0x1796/0x4a00 kernel/sched/core.c:6746
__schedule_loop kernel/sched/core.c:6823 [inline]
schedule+0x14b/0x320 kernel/sched/core.c:6838
schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6895
rwsem_down_write_slowpath+0xeeb/0x13b0 kernel/locking/rwsem.c:1178
__down_write_common+0x1af/0x200 kernel/locking/rwsem.c:1306
inode_lock_nested include/linux/fs.h:830 [inline]
filename_create+0x260/0x540 fs/namei.c:3892
do_mkdirat+0xbd/0x3a0 fs/namei.c:4138
__do_sys_mkdir fs/namei.c:4166 [inline]
__se_sys_mkdir fs/namei.c:4164 [inline]
__x64_sys_mkdir+0x6e/0x80 fs/namei.c:4164
do_syscall_x64 arch/x86/entry/common.c:52 [inline]
do_syscall_64+0xf5/0x240 arch/x86/entry/common.c:83
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f89b827dd69
RSP: 002b:00007f89b7d9c0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000053
RAX: ffffffffffffffda RBX: 00007f89b83ac6d0 RCX: 00007f89b827dd69
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000020000100
RBP: 00007f89b82ca49e R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000006e R14: 00007f89b83ac6d0 R15: 00007ffd4f06a9d8
INFO: task syz-executor.0:7730 blocked for more than 149 seconds.
Not tainted 6.9.0-rc7-syzkaller-00136-gf4345f05c0df #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.0 state:D stack:28816 pid:7730 tgid:7703 ppid:7324 flags:0x00000006
Call Trace:
context_switch kernel/sched/core.c:5409 [inline]
__schedule+0x1796/0x4a00 kernel/sched/core.c:6746
__schedule_loop kernel/sched/core.c:6823 [inline]
schedule+0x14b/0x320 kernel/sched/core.c:6838
schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6895
rwsem_down_read_slowpath kernel/locking/rwsem.c:1086 [inline]
__down_read_common kernel/locking/rwsem.c:1250 [inline]
__down_read kernel/locking/rwsem.c:1263 [inline]
down_read+0x705/0xa40 kernel/locking/rwsem.c:1528
inode_lock_shared include/linux/fs.h:805 [inline]
lookup_slow+0x45/0x70 fs/namei.c:1708
walk_component+0x2e1/0x410 fs/namei.c:2004
lookup_last fs/namei.c:2461 [inline]
path_lookupat+0x16f/0x450 fs/namei.c:2485
filename_lookup+0x256/0x610 fs/namei.c:2514
user_path_at_empty+0x42/0x60 fs/namei.c:2921
user_path_at include/linux/namei.h:57 [inline]
__do_sys_chdir fs/open.c:558 [inline]
__se_sys_chdir+0xbf/0x220 fs/open.c:552
do_syscall_x64 arch/x86/entry/common.c:52 [inline]
do_syscall_64+0xf5/0x240 arch/x86/entry/common.c:83
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f89b827dd69
RSP: 002b:00007f89b7d7b0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000050
RAX: ffffffffffffffda RBX: 00007f89b83ac7a0 RCX: 00007f89b827dd69
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000020000140
RBP: 00007f89b82ca49e R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000006e R14: 00007f89b83ac7a0 R15: 00007ffd4f06a9d8
INFO: task syz-executor.0:7731 blocked for more than 150 seconds.
Not tainted 6.9.0-rc7-syzkaller-00136-gf4345f05c0df #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.0 state:D stack:27888 pid:7731 tgid:7703 ppid:7324 flags:0x00000006
Call Trace:
context_switch kernel/sched/core.c:5409 [inline]
__schedule+0x1796/0x4a00 kernel/sched/core.c:6746
__schedule_loop kernel/sched/core.c:6823 [inline]
schedule+0x14b/0x320 kernel/sched/core.c:6838
schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6895
rwsem_down_write_slowpath+0xeeb/0x13b0 kernel/locking/rwsem.c:1178
__down_write_common+0x1af/0x200 kernel/locking/rwsem.c:1306
inode_lock include/linux/fs.h:795 [inline]
open_last_lookups fs/namei.c:3563 [inline]
path_openat+0x7d3/0x3240 fs/namei.c:3796
do_filp_open+0x235/0x490 fs/namei.c:3826
do_sys_openat2+0x13e/0x1d0 fs/open.c:1406
do_sys_open fs/open.c:1421 [inline]
__do_sys_openat fs/open.c:1437 [inline]
__se_sys_openat fs/open.c:1432 [inline]
__x64_sys_openat+0x247/0x2a0 fs/open.c:1432
do_syscall_x64 arch/x86/entry/common.c:52 [inline]
do_syscall_64+0xf5/0x240 arch/x86/entry/common.c:83
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f89b827dd69
RSP: 002b:00007f89b7d5a0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 00007f89b83ac870 RCX: 00007f89b827dd69
RDX: 000000000000275a RSI: 00000000200000c0 RDI: ffffffffffffff9c
RBP: 00007f89b82ca49e R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000006e R14: 00007f89b83ac870 R15: 00007ffd4f06a9d8
Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings
Showing all locks held in the system:
2 locks held by kworker/u8:0/10:
#0: ffff888015089148 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3242 [inline]
#0: ffff888015089148 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_scheduled_works+0x8e0/0x17c0 kernel/workqueue.c:3348
#1: ffff8880b9428948 (&per_cpu_ptr(group->pcpu, cpu)->seq){-.-.}-{0:0}, at: psi_task_switch+0x441/0x770 kernel/sched/psi.c:988
1 lock held by khungtaskd/29:
#0: ffffffff8e334da0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire include/linux/rcupdate.h:329 [inline]
#0: ffffffff8e334da0 (rcu_read_lock){....}-{1:2}, at: rcu_read_lock include/linux/rcupdate.h:781 [inline]
#0: ffffffff8e334da0 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x55/0x2a0 kernel/locking/lockdep.c:6614
3 locks held by kworker/u8:5/1056:
2 locks held by getty/4837:
#0: ffff88802b0260a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x25/0x70 drivers/tty/tty_ldisc.c:243
#1: ffffc90002f0e2f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x6b5/0x1e10 drivers/tty/n_tty.c:2201
3 locks held by kworker/0:3/5139:
3 locks held by kworker/1:4/5141:
#0:
ffff8880b953e658 (&rq->__lock){-.-.}-{2:2}, at: raw_spin_rq_lock_nested+0x2a/0x140 kernel/sched/core.c:559
#1: ffff8880b9528948 (&per_cpu_ptr(group->pcpu, cpu)->seq){-.-.}-{0:0}, at: psi_task_switch+0x441/0x770 kernel/sched/psi.c:988
#2: ffffffff8ea22f18 (pool_lock){-.-.}-{2:2}, at: free_obj_work+0x13d/0x6d0 lib/debugobjects.c:293
3 locks held by kworker/0:5/5145:
#0: ffff888015080948 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3242 [inline]
#0: ffff888015080948 ((wq_completion)events){+.+.}-{0:0}, at: process_scheduled_works+0x8e0/0x17c0 kernel/workqueue.c:3348
#1: ffffc900043bfd00 ((linkwatch_work).work){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3243 [inline]
#1: ffffc900043bfd00 ((linkwatch_work).work){+.+.}-{0:0}, at: process_scheduled_works+0x91b/0x17c0 kernel/workqueue.c:3348
#2:
ffff88807f837240
(
&data->fib_lock){+.+.}-{3:3}, at: nsim_fib_event_work+0x2d1/0x4130 drivers/net/netdevsim/fib.c:1489
1 lock held by syz-executor.0/7704:
2 locks held by syz-executor.0/7705:
#0: ffff88807b3b2420 (sb_writers#33){.+.+}-{0:0}, at: mnt_want_write+0x3f/0x90 fs/namespace.c:409
#1: ffff88805e978188 (&type->i_mutex_dir_key#27/1){+.+.}-{3:3}, at: inode_lock_nested include/linux/fs.h:830 [inline]
#1: ffff88805e978188 (&type->i_mutex_dir_key#27/1){+.+.}-{3:3}, at: lock_rename fs/namei.c:3066 [inline]
#1: ffff88805e978188 (&type->i_mutex_dir_key#27/1){+.+.}-{3:3}, at: do_renameat2+0x62c/0x13f0 fs/namei.c:4972
2 locks held by syz-executor.0/7708:
#0: ffff88807b3b2420 (sb_writers#33){.+.+}-{0:0}, at: mnt_want_write+0x3f/0x90 fs/namespace.c:409
#1: ffff88805e978188 (&type->i_mutex_dir_key#27/1){+.+.}-{3:3}, at: inode_lock_nested include/linux/fs.h:830 [inline]
#1: ffff88805e978188 (&type->i_mutex_dir_key#27/1){+.+.}-{3:3}, at: lock_rename fs/namei.c:3066 [inline]
#1: ffff88805e978188 (&type->i_mutex_dir_key#27/1){+.+.}-{3:3}, at: do_renameat2+0x62c/0x13f0 fs/namei.c:4972
2 locks held by syz-executor.0/7713:
#0: ffff88807b3b2420 (sb_writers#33){.+.+}-{0:0}, at: mnt_want_write+0x3f/0x90 fs/namespace.c:409
#1: ffff88805e978188 (&type->i_mutex_dir_key#27/1){+.+.}-{3:3}, at: inode_lock_nested include/linux/fs.h:830 [inline]
#1: ffff88805e978188 (&type->i_mutex_dir_key#27/1){+.+.}-{3:3}, at: filename_create+0x260/0x540 fs/namei.c:3892
2 locks held by syz-executor.0/7716:
#0: ffff88807b3b2420 (sb_writers#33){.+.+}-{0:0}, at: mnt_want_write+0x3f/0x90 fs/namespace.c:409
#1: ffff88805e978188 (&type->i_mutex_dir_key#28){++++}-{3:3}, at: inode_lock include/linux/fs.h:795 [inline]
#1: ffff88805e978188 (&type->i_mutex_dir_key#28){++++}-{3:3}, at: open_last_lookups fs/namei.c:3563 [inline]
#1: ffff88805e978188 (&type->i_mutex_dir_key#28){++++}-{3:3}, at: path_openat+0x7d3/0x3240 fs/namei.c:3796
2 locks held by syz-executor.0/7719:
#0: ffff88807b3b2420 (sb_writers#33){.+.+}-{0:0}, at: mnt_want_write+0x3f/0x90 fs/namespace.c:409
#1: ffff88805e978188 (&type->i_mutex_dir_key#28){++++}-{3:3}, at: inode_lock_shared include/linux/fs.h:805 [inline]
#1: ffff88805e978188 (&type->i_mutex_dir_key#28){++++}-{3:3}, at: open_last_lookups fs/namei.c:3565 [inline]
#1: ffff88805e978188 (&type->i_mutex_dir_key#28){++++}-{3:3}, at: path_openat+0x7c4/0x3240 fs/namei.c:3796
2 locks held by syz-executor.0/7720:
#0: ffff88807b3b2420 (sb_writers#33){.+.+}-{0:0}, at: mnt_want_write+0x3f/0x90 fs/namespace.c:409
#1: ffff88805e978188 (&type->i_mutex_dir_key#27/1){+.+.}-{3:3}, at: inode_lock_nested include/linux/fs.h:830 [inline]
#1: ffff88805e978188 (&type->i_mutex_dir_key#27/1){+.+.}-{3:3}, at: do_rmdir+0x263/0x580 fs/namei.c:4253
1 lock held by syz-executor.0/7728:
#0: ffff88805e978188 (&type->i_mutex_dir_key#28){++++}-{3:3}, at: inode_lock_shared include/linux/fs.h:805 [inline]
#0: ffff88805e978188 (&type->i_mutex_dir_key#28){++++}-{3:3}, at: lookup_slow+0x45/0x70 fs/namei.c:1708
2 locks held by syz-executor.0/7729:
#0: ffff88807b3b2420 (sb_writers#33){.+.+}-{0:0}, at: mnt_want_write+0x3f/0x90 fs/namespace.c:409
#1: ffff88805e978188 (&type->i_mutex_dir_key#27/1){+.+.}-{3:3}, at: inode_lock_nested include/linux/fs.h:830 [inline]
#1: ffff88805e978188 (&type->i_mutex_dir_key#27/1){+.+.}-{3:3}, at: filename_create+0x260/0x540 fs/namei.c:3892
1 lock held by syz-executor.0/7730:
#0: ffff88805e978188 (&type->i_mutex_dir_key#28){++++}-{3:3}, at: inode_lock_shared include/linux/fs.h:805 [inline]
#0: ffff88805e978188 (&type->i_mutex_dir_key#28){++++}-{3:3}, at: lookup_slow+0x45/0x70 fs/namei.c:1708
2 locks held by syz-executor.0/7731:
#0: ffff88807b3b2420 (sb_writers#33){.+.+}-{0:0}, at: mnt_want_write+0x3f/0x90 fs/namespace.c:409
#1: ffff88805e978188 (&type->i_mutex_dir_key#28){++++}-{3:3}, at: inode_lock include/linux/fs.h:795 [inline]
#1: ffff88805e978188 (&type->i_mutex_dir_key#28){++++}-{3:3}, at: open_last_lookups fs/namei.c:3563 [inline]
#1: ffff88805e978188 (&type->i_mutex_dir_key#28){++++}-{3:3}, at: path_openat+0x7d3/0x3240 fs/namei.c:3796
1 lock held by syz-executor.1/8835:
#0: ffffffff8e33a138 (rcu_state.exp_mutex){+.+.}-{3:3}, at: exp_funnel_lock kernel/rcu/tree_exp.h:291 [inline]
#0: ffffffff8e33a138 (rcu_state.exp_mutex){+.+.}-{3:3}, at: synchronize_rcu_expedited+0x39a/0x820 kernel/rcu/tree_exp.h:939
6 locks held by syz-executor.0/9057:
#0: ffff88807afc8420 (sb_writers#10){.+.+}-{0:0}, at: file_start_write include/linux/fs.h:2855 [inline]
#0: ffff88807afc8420 (sb_writers#10){.+.+}-{0:0}, at: vfs_write+0x233/0xcb0 fs/read_write.c:586
#1: ffff888063b04888 (&of->mutex){+.+.}-{3:3}, at: kernfs_fop_write_iter+0x1eb/0x500 fs/kernfs/file.c:325
#2: ffffffff8e362408 (cgroup_mutex){+.+.}-{3:3}, at: cgroup_lock include/linux/cgroup.h:368 [inline]
#2: ffffffff8e362408 (cgroup_mutex){+.+.}-{3:3}, at: cgroup_kn_lock_live+0xe6/0x290 kernel/cgroup/cgroup.c:1662
#3: ffffffff8e1cf430 (cpu_hotplug_lock){++++}-{0:0}, at: cgroup_attach_lock kernel/cgroup/cgroup.c:2413 [inline]
#3: ffffffff8e1cf430 (cpu_hotplug_lock){++++}-{0:0}, at: cgroup_procs_write_start+0x1a0/0x660 kernel/cgroup/cgroup.c:2917
#4: ffffffff8e3625f0 (cgroup_threadgroup_rwsem){++++}-{0:0}, at: cgroup_attach_lock kernel/cgroup/cgroup.c:2415 [inline]
#4: ffffffff8e3625f0 (cgroup_threadgroup_rwsem){++++}-{0:0}, at: cgroup_procs_write_start+0x1b5/0x660 kernel/cgroup/cgroup.c:2917
#5: ffffffff8e33a138 (rcu_state.exp_mutex){+.+.}-{3:3}, at: exp_funnel_lock kernel/rcu/tree_exp.h:323 [inline]
#5: ffffffff8e33a138 (rcu_state.exp_mutex){+.+.}-{3:3}, at: synchronize_rcu_expedited+0x463/0x820 kernel/rcu/tree_exp.h:939
2 locks held by syz-executor.3/9099:
#0: ffffffff8f5943c8 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:79 [inline]
#0: ffffffff8f5943c8 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x842/0x10d0 net/core/rtnetlink.c:6592
#1: ffff88802e381408 (&wg->device_update_lock){+.+.}-{3:3}, at: wg_open+0x22d/0x420 drivers/net/wireguard/device.c:50
3 locks held by syz-executor.2/9454:
=============================================
NMI backtrace for cpu 0
CPU: 0 PID: 29 Comm: khungtaskd Not tainted 6.9.0-rc7-syzkaller-00136-gf4345f05c0df #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024
Call Trace:
__dump_stack lib/dump_stack.c:88 [inline]
dump_stack_lvl+0x241/0x360 lib/dump_stack.c:114
nmi_cpu_backtrace+0x49c/0x4d0 lib/nmi_backtrace.c:113
nmi_trigger_cpumask_backtrace+0x198/0x320 lib/nmi_backtrace.c:62
trigger_all_cpu_backtrace include/linux/nmi.h:160 [inline]
check_hung_uninterruptible_tasks kernel/hung_task.c:223 [inline]
watchdog+0xfde/0x1020 kernel/hung_task.c:380
kthread+0x2f0/0x390 kernel/kthread.c:388
ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:147