INFO: task syz-executor.0:23142 blocked for more than 143 seconds.
Not tainted 6.7.0-rc6-next-20231222-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.0 state:D stack:27520 pid:23142 tgid:23142 ppid:5088 flags:0x00004006
Call Trace:
context_switch kernel/sched/core.c:5400 [inline]
__schedule+0xf15/0x5c80 kernel/sched/core.c:6727
__schedule_loop kernel/sched/core.c:6802 [inline]
schedule+0xe7/0x270 kernel/sched/core.c:6817
coredump_task_exit kernel/exit.c:439 [inline]
do_exit+0x3e4/0x2ac0 kernel/exit.c:825
do_group_exit+0xd3/0x2a0 kernel/exit.c:1020
get_signal+0x238c/0x2760 kernel/signal.c:2893
arch_do_signal_or_restart+0x90/0x7e0 arch/x86/kernel/signal.c:310
exit_to_user_mode_loop kernel/entry/common.c:168 [inline]
exit_to_user_mode_prepare+0x11e/0x240 kernel/entry/common.c:204
__syscall_exit_to_user_mode_work kernel/entry/common.c:285 [inline]
syscall_exit_to_user_mode+0x1e/0x60 kernel/entry/common.c:296
do_syscall_64+0x4d/0x110 arch/x86/entry/common.c:89
entry_SYSCALL_64_after_hwframe+0x62/0x6a
RIP: 0033:0x7f3f3c27cce9
RSP: 002b:00007ffca9473068 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
RAX: fffffffffffffdfc RBX: 00000000000f1a11 RCX: 00007f3f3c27cce9
RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007f3f3c39c1fc
RBP: 0000000000000032 R08: 00007f3f3c39c1fc R09: 00007f3f3c39c1fc
R10: 00007ffca94731a0 R11: 0000000000000246 R12: 00007f3f3c39c1fc
R13: 00000000000f1a43 R14: 00007ffca94731c0 R15: 00007ffca94731a0
INFO: task syz-executor.0:23143 blocked for more than 145 seconds.
Not tainted 6.7.0-rc6-next-20231222-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.0 state:D stack:27568 pid:23143 tgid:23142 ppid:5088 flags:0x00004006
Call Trace:
context_switch kernel/sched/core.c:5400 [inline]
__schedule+0xf15/0x5c80 kernel/sched/core.c:6727
__schedule_loop kernel/sched/core.c:6802 [inline]
schedule+0xe7/0x270 kernel/sched/core.c:6817
coredump_task_exit kernel/exit.c:439 [inline]
do_exit+0x3e4/0x2ac0 kernel/exit.c:825
do_group_exit+0xd3/0x2a0 kernel/exit.c:1020
get_signal+0x238c/0x2760 kernel/signal.c:2893
arch_do_signal_or_restart+0x90/0x7e0 arch/x86/kernel/signal.c:310
exit_to_user_mode_loop kernel/entry/common.c:168 [inline]
exit_to_user_mode_prepare+0x11e/0x240 kernel/entry/common.c:204
__syscall_exit_to_user_mode_work kernel/entry/common.c:285 [inline]
syscall_exit_to_user_mode+0x1e/0x60 kernel/entry/common.c:296
do_syscall_64+0x4d/0x110 arch/x86/entry/common.c:89
entry_SYSCALL_64_after_hwframe+0x62/0x6a
RIP: 0033:0x7f3f3c27cce9
RSP: 002b:00007f3f3cfce0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000133
RAX: 000000000000000b RBX: 00007f3f3c39bf80 RCX: 00007f3f3c27cce9
RDX: 0000000000000318 RSI: 00000000200bd000 RDI: 0000000000000004
RBP: 00007f3f3c2c947a R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000000b R14: 00007f3f3c39bf80 R15: 00007ffca9472f88
INFO: task syz-executor.0:23145 blocked for more than 146 seconds.
Not tainted 6.7.0-rc6-next-20231222-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.0 state:D stack:26720 pid:23145 tgid:23142 ppid:5088 flags:0x00004006
Call Trace:
context_switch kernel/sched/core.c:5400 [inline]
__schedule+0xf15/0x5c80 kernel/sched/core.c:6727
__schedule_loop kernel/sched/core.c:6802 [inline]
schedule+0xe7/0x270 kernel/sched/core.c:6817
coredump_task_exit kernel/exit.c:439 [inline]
do_exit+0x3e4/0x2ac0 kernel/exit.c:825
do_group_exit+0xd3/0x2a0 kernel/exit.c:1020
get_signal+0x238c/0x2760 kernel/signal.c:2893
arch_do_signal_or_restart+0x90/0x7e0 arch/x86/kernel/signal.c:310
exit_to_user_mode_loop kernel/entry/common.c:168 [inline]
exit_to_user_mode_prepare+0x11e/0x240 kernel/entry/common.c:204
__syscall_exit_to_user_mode_work kernel/entry/common.c:285 [inline]
syscall_exit_to_user_mode+0x1e/0x60 kernel/entry/common.c:296
do_syscall_64+0x4d/0x110 arch/x86/entry/common.c:89
entry_SYSCALL_64_after_hwframe+0x62/0x6a
RIP: 0033:0x7f3f3c27cce9
RSP: 002b:00007f3f3cf8c0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000136
RAX: 0000000000400000 RBX: 00007f3f3c39c120 RCX: 00007f3f3c27cce9
RDX: 0000000000000002 RSI: 0000000020008400 RDI: 0000000000000a87
RBP: 00007f3f3c2c947a R08: 0000000000000286 R09: 0000000000000000
R10: 0000000020008640 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000006e R14: 00007f3f3c39c120 R15: 00007ffca9472f88
INFO: task syz-executor.0:23148 blocked for more than 146 seconds.
Not tainted 6.7.0-rc6-next-20231222-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.0 state:D stack:29160 pid:23148 tgid:23142 ppid:5088 flags:0x00004006
Call Trace:
context_switch kernel/sched/core.c:5400 [inline]
__schedule+0xf15/0x5c80 kernel/sched/core.c:6727
__schedule_loop kernel/sched/core.c:6802 [inline]
schedule+0xe7/0x270 kernel/sched/core.c:6817
schedule_timeout+0x254/0x290 kernel/time/timer.c:2159
do_wait_for_common kernel/sched/completion.c:95 [inline]
__wait_for_common+0x3da/0x5f0 kernel/sched/completion.c:116
wait_for_common kernel/sched/completion.c:127 [inline]
wait_for_completion_state+0x1c/0x30 kernel/sched/completion.c:264
coredump_wait fs/coredump.c:414 [inline]
do_coredump+0x904/0x3f50 fs/coredump.c:571
get_signal+0x2405/0x2760 kernel/signal.c:2879
arch_do_signal_or_restart+0x90/0x7e0 arch/x86/kernel/signal.c:310
exit_to_user_mode_loop kernel/entry/common.c:168 [inline]
exit_to_user_mode_prepare+0x11e/0x240 kernel/entry/common.c:204
__syscall_exit_to_user_mode_work kernel/entry/common.c:285 [inline]
syscall_exit_to_user_mode+0x1e/0x60 kernel/entry/common.c:296
do_syscall_64+0x4d/0x110 arch/x86/entry/common.c:89
entry_SYSCALL_64_after_hwframe+0x62/0x6a
RIP: 0033:0x7f3f3c27cce9
RSP: 002b:00007f3f3cf6b0c8 EFLAGS: 00000246 ORIG_RAX: 000000000000004d
RAX: ffffffffffffffe5 RBX: 00007f3f3c39c1f0 RCX: 00007f3f3c27cce9
RDX: 0000000000000000 RSI: 0000000002008002 RDI: 0000000000000008
RBP: 00007f3f3c2c947a R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000006e R14: 00007f3f3c39c1f0 R15: 00007ffca9472f88
INFO: lockdep is turned off.
NMI backtrace for cpu 0
CPU: 0 PID: 29 Comm: khungtaskd Not tainted 6.7.0-rc6-next-20231222-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023
Call Trace:
__dump_stack lib/dump_stack.c:88 [inline]
dump_stack_lvl+0xd9/0x1b0 lib/dump_stack.c:106
nmi_cpu_backtrace+0x277/0x390 lib/nmi_backtrace.c:113
nmi_trigger_cpumask_backtrace+0x299/0x300 lib/nmi_backtrace.c:62
trigger_all_cpu_backtrace include/linux/nmi.h:160 [inline]
check_hung_uninterruptible_tasks kernel/hung_task.c:222 [inline]
watchdog+0xf86/0x1210 kernel/hung_task.c:379
kthread+0x2c1/0x3a0 kernel/kthread.c:388
ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:147
ret_from_fork_asm+0x11/0x20 arch/x86/entry/entry_64.S:242
Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 PID: 5090 Comm: syz-executor.1 Not tainted 6.7.0-rc6-next-20231222-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023
RIP: 0010:__dequeue_entity+0x597/0x1330 kernel/sched/fair.c:836
Code: 0f 85 fd fe ff ff 4c 89 e8 48 39 c6 0f 85 28 ff ff ff 48 85 c9 74 13 49 8d 76 50 48 c7 c2 10 a0 5d 81 48 89 cf e8 19 c7 1f 09 <48> b8 00 00 00 00 00 fc ff df 4c 89 fa 48 c1 ea 03 80 3c 02 00 0f
RSP: 0018:ffffc900046df9b8 EFLAGS: 00000046
RAX: dffffc0000000000 RBX: 0000000000000000 RCX: 0000000000000000
RDX: 1ffff1100471d70a RSI: ffff88801f630080 RDI: ffff8880238eb850
RBP: 0000000000000000 R08: ffff88801f630090 R09: fffffbfff1e74b62
R10: ffffffff8f3a5b17 R11: 0000000000000000 R12: 0000000000000001
R13: 0000000000000000 R14: ffff8880238eb800 R15: ffff88801f630080
FS: 0000555556152480(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000559739257000 CR3: 0000000081c40000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
set_next_entity+0x321/0x670 kernel/sched/fair.c:5389
set_next_task_fair+0x88/0x320 kernel/sched/fair.c:12780
set_next_task kernel/sched/sched.h:2331 [inline]
pick_next_task kernel/sched/core.c:6317 [inline]
__schedule+0x2376/0x5c80 kernel/sched/core.c:6691
__schedule_loop kernel/sched/core.c:6802 [inline]
schedule+0xe7/0x270 kernel/sched/core.c:6817
do_nanosleep+0x216/0x500 kernel/time/hrtimer.c:2047
hrtimer_nanosleep+0x1ab/0x440 kernel/time/hrtimer.c:2100
common_nsleep+0xa1/0xc0 kernel/time/posix-timers.c:1350
__do_sys_clock_nanosleep kernel/time/posix-timers.c:1396 [inline]
__se_sys_clock_nanosleep kernel/time/posix-timers.c:1373 [inline]
__x64_sys_clock_nanosleep+0x341/0x490 kernel/time/posix-timers.c:1373
do_syscall_x64 arch/x86/entry/common.c:52 [inline]
do_syscall_64+0x40/0x110 arch/x86/entry/common.c:83
entry_SYSCALL_64_after_hwframe+0x62/0x6a
RIP: 0033:0x7fc5b32a80f5
Code: 24 0c 89 3c 24 48 89 4c 24 18 e8 f6 b9 ff ff 4c 8b 54 24 18 48 8b 54 24 10 41 89 c0 8b 74 24 0c 8b 3c 24 b8 e6 00 00 00 0f 05 <44> 89 c7 48 89 04 24 e8 4f ba ff ff 48 8b 04 24 48 83 c4 28 f7 d8
RSP: 002b:00007fff15d48830 EFLAGS: 00000293 ORIG_RAX: 00000000000000e6
RAX: ffffffffffffffda RBX: 0000000000000be4 RCX: 00007fc5b32a80f5
RDX: 00007fff15d48870 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 00007fff15d488fc R08: 0000000000000000 R09: 0000000000000001
R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000032
R13: 0000000000119080 R14: 0000000000119080 R15: 0000000000000000