INFO: task syz-executor301:3000 blocked for more than 143 seconds.
Not tainted 6.1.0-rc2-syzkaller-00105-gb229b6ca5abb #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor301 state:D stack:27384 pid:3000 ppid:3657 flags:0x00004004
Call Trace:
context_switch kernel/sched/core.c:5191 [inline]
__schedule+0x8fc/0xda0 kernel/sched/core.c:6503
schedule+0xcb/0x190 kernel/sched/core.c:6579
rwsem_down_read_slowpath+0x5fe/0x950 kernel/locking/rwsem.c:1095
__down_read_common+0x54/0x2a0 kernel/locking/rwsem.c:1260
iterate_supers+0xb0/0x1f0 fs/super.c:721
ksys_sync+0xd5/0x1c0 fs/sync.c:104
__do_sys_sync+0xa/0x10 fs/sync.c:113
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x2b/0x70 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f14a9db92a9
RSP: 002b:00007f14a9d6a2f8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2
RAX: ffffffffffffffda RBX: 00007f14a9e424c0 RCX: 00007f14a9db92a9
RDX: 00007f14a9db92a9 RSI: 0000000000000000 RDI: 0000000000000080
RBP: 00007f14a9e424cc R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007f14a9e0f098
R13: 0030656c69662f2e R14: 64663d736e617274 R15: 00007f14a9e424c8
INFO: task syz-executor301:2993 blocked for more than 143 seconds.
Not tainted 6.1.0-rc2-syzkaller-00105-gb229b6ca5abb #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor301 state:D stack:27480 pid:2993 ppid:3655 flags:0x00004004
Call Trace:
context_switch kernel/sched/core.c:5191 [inline]
__schedule+0x8fc/0xda0 kernel/sched/core.c:6503
schedule+0xcb/0x190 kernel/sched/core.c:6579
rwsem_down_read_slowpath+0x5fe/0x950 kernel/locking/rwsem.c:1095
__down_read_common+0x54/0x2a0 kernel/locking/rwsem.c:1260
iterate_supers+0xb0/0x1f0 fs/super.c:721
ksys_sync+0xd5/0x1c0 fs/sync.c:104
__do_sys_sync+0xa/0x10 fs/sync.c:113
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x2b/0x70 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f14a9db92a9
RSP: 002b:00007f14a9d6a2f8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2
RAX: ffffffffffffffda RBX: 00007f14a9e424c0 RCX: 00007f14a9db92a9
RDX: 00007f14a9db92a9 RSI: 0000000000000000 RDI: 0000000000000080
RBP: 00007f14a9e424cc R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007f14a9e0f098
R13: 0030656c69662f2e R14: 64663d736e617274 R15: 00007f14a9e424c8
INFO: task syz-executor301:2995 blocked for more than 143 seconds.
Not tainted 6.1.0-rc2-syzkaller-00105-gb229b6ca5abb #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor301 state:D stack:27480 pid:2995 ppid:3653 flags:0x00004004
Call Trace:
context_switch kernel/sched/core.c:5191 [inline]
__schedule+0x8fc/0xda0 kernel/sched/core.c:6503
schedule+0xcb/0x190 kernel/sched/core.c:6579
rwsem_down_read_slowpath+0x5fe/0x950 kernel/locking/rwsem.c:1095
__down_read_common+0x54/0x2a0 kernel/locking/rwsem.c:1260
iterate_supers+0xb0/0x1f0 fs/super.c:721
ksys_sync+0xd5/0x1c0 fs/sync.c:104
__do_sys_sync+0xa/0x10 fs/sync.c:113
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x2b/0x70 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f14a9db92a9
RSP: 002b:00007f14a9d6a2f8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2
RAX: ffffffffffffffda RBX: 00007f14a9e424c0 RCX: 00007f14a9db92a9
RDX: 00007f14a9db92a9 RSI: 0000000000000000 RDI: 0000000000000080
RBP: 00007f14a9e424cc R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007f14a9e0f098
R13: 0030656c69662f2e R14: 64663d736e617274 R15: 00007f14a9e424c8
INFO: task syz-executor301:3003 blocked for more than 143 seconds.
Not tainted 6.1.0-rc2-syzkaller-00105-gb229b6ca5abb #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor301 state:D stack:26424 pid:3003 ppid:3656 flags:0x00004004
Call Trace:
context_switch kernel/sched/core.c:5191 [inline]
__schedule+0x8fc/0xda0 kernel/sched/core.c:6503
schedule+0xcb/0x190 kernel/sched/core.c:6579
rwsem_down_read_slowpath+0x5fe/0x950 kernel/locking/rwsem.c:1095
__down_read_common+0x54/0x2a0 kernel/locking/rwsem.c:1260
iterate_supers+0xb0/0x1f0 fs/super.c:721
ksys_sync+0xb7/0x1c0 fs/sync.c:102
__do_sys_sync+0xa/0x10 fs/sync.c:113
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x2b/0x70 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f14a9db92a9
RSP: 002b:00007f14a9d6a2f8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2
RAX: ffffffffffffffda RBX: 00007f14a9e424c0 RCX: 00007f14a9db92a9
RDX: 00007f14a9db92a9 RSI: 0000000000000000 RDI: 0000000000000080
RBP: 00007f14a9e424cc R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007f14a9e0f098
R13: 0030656c69662f2e R14: 64663d736e617274 R15: 00007f14a9e424c8
INFO: task syz-executor301:3002 blocked for more than 144 seconds.
Not tainted 6.1.0-rc2-syzkaller-00105-gb229b6ca5abb #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor301 state:D stack:27480 pid:3002 ppid:3658 flags:0x00004004
Call Trace:
context_switch kernel/sched/core.c:5191 [inline]
__schedule+0x8fc/0xda0 kernel/sched/core.c:6503
schedule+0xcb/0x190 kernel/sched/core.c:6579
rwsem_down_read_slowpath+0x5fe/0x950 kernel/locking/rwsem.c:1095
__down_read_common+0x54/0x2a0 kernel/locking/rwsem.c:1260
iterate_supers+0xb0/0x1f0 fs/super.c:721
ksys_sync+0xd5/0x1c0 fs/sync.c:104
__do_sys_sync+0xa/0x10 fs/sync.c:113
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x2b/0x70 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f14a9db92a9
RSP: 002b:00007f14a9d6a2f8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2
RAX: ffffffffffffffda RBX: 00007f14a9e424c0 RCX: 00007f14a9db92a9
RDX: 00007f14a9db92a9 RSI: 0000000000000000 RDI: 0000000000000080
RBP: 00007f14a9e424cc R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007f14a9e0f098
R13: 0030656c69662f2e R14: 64663d736e617274 R15: 00007f14a9e424c8
INFO: task syz-executor301:3008 blocked for more than 144 seconds.
Not tainted 6.1.0-rc2-syzkaller-00105-gb229b6ca5abb #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor301 state:D stack:27480 pid:3008 ppid:3654 flags:0x00004004
Call Trace:
context_switch kernel/sched/core.c:5191 [inline]
__schedule+0x8fc/0xda0 kernel/sched/core.c:6503
schedule+0xcb/0x190 kernel/sched/core.c:6579
rwsem_down_read_slowpath+0x5fe/0x950 kernel/locking/rwsem.c:1095
__down_read_common+0x54/0x2a0 kernel/locking/rwsem.c:1260
iterate_supers+0xb0/0x1f0 fs/super.c:721
ksys_sync+0xb7/0x1c0 fs/sync.c:102
__do_sys_sync+0xa/0x10 fs/sync.c:113
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x2b/0x70 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f14a9db92a9
RSP: 002b:00007f14a9d6a2f8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2
RAX: ffffffffffffffda RBX: 00007f14a9e424c0 RCX: 00007f14a9db92a9
RDX: 00007f14a9db92a9 RSI: 0000000000000000 RDI: 0000000000000080
RBP: 00007f14a9e424cc R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007f14a9e0f098
R13: 0030656c69662f2e R14: 64663d736e617274 R15: 00007f14a9e424c8
INFO: lockdep is turned off.
NMI backtrace for cpu 0
CPU: 0 PID: 28 Comm: khungtaskd Not tainted 6.1.0-rc2-syzkaller-00105-gb229b6ca5abb #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/11/2022
Call Trace:
__dump_stack lib/dump_stack.c:88 [inline]
dump_stack_lvl+0x1e3/0x2cb lib/dump_stack.c:106
nmi_cpu_backtrace+0x4e3/0x560 lib/nmi_backtrace.c:111
nmi_trigger_cpumask_backtrace+0x19b/0x3e0 lib/nmi_backtrace.c:62
trigger_all_cpu_backtrace include/linux/nmi.h:148 [inline]
check_hung_uninterruptible_tasks kernel/hung_task.c:220 [inline]
watchdog+0xcf5/0xd40 kernel/hung_task.c:377
kthread+0x266/0x300 kernel/kthread.c:376
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:306
Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 PID: 92 Comm: kworker/u4:4 Not tainted 6.1.0-rc2-syzkaller-00105-gb229b6ca5abb #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/11/2022
Workqueue: 0x0 (events_unbound)
RIP: 0010:util_est_update kernel/sched/fair.c:4364 [inline]
RIP: 0010:dequeue_task_fair+0xf83/0x12b0 kernel/sched/fair.c:6069
Code: ff ff 44 89 f1 80 e1 07 80 c1 03 38 c1 0f 8c ca fb ff ff 4c 89 f7 e8 ec 72 7d 00 48 ba 00 00 00 00 00 fc ff df e9 b3 fb ff ff <48> 8d 8c 24 d0 00 00 00 80 e1 07 80 c1 03 38 c1 0f 8c b2 fb ff ff
RSP: 0018:ffffc900015a7b20 EFLAGS: 00000002
RAX: 1ffff1100324c704 RBX: ffff888019263bf8 RCX: ffff888019263a80
RDX: dffffc0000000000 RSI: 1ffff920002b4f7e RDI: ffff8880b9b39e5c
RBP: ffffc900015a7c70 R08: ffffffff813eae0f R09: fffffbfff1c4f066
R10: fffffbfff1c4f066 R11: 1ffffffff1c4f065 R12: 00000000000000e2
R13: 0000000000000118 R14: ffff888019263bfc R15: ffffc900015a7bf0
FS: 0000000000000000(0000) GS:ffff8880b9b00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055aefb2bb600 CR3: 000000000ca8e000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
deactivate_task kernel/sched/core.c:2094 [inline]
__schedule+0x429/0xda0 kernel/sched/core.c:6457
schedule+0xcb/0x190 kernel/sched/core.c:6579
worker_thread+0xfbf/0x1330 kernel/workqueue.c:2457
kthread+0x266/0x300 kernel/kthread.c:376
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:306