INFO: task syz-executor.2:16508 blocked for more than 143 seconds.
Not tainted 6.1.0-rc2-syzkaller-00078-g98555239e4c3 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.2 state:D
stack:25368 pid:16508 ppid:3637 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
schedule_timeout+0xac/0x300 kernel/time/timer.c:1911
do_wait_for_common+0x3ea/0x560 kernel/sched/completion.c:85
__wait_for_common kernel/sched/completion.c:106 [inline]
wait_for_common kernel/sched/completion.c:117 [inline]
wait_for_completion+0x46/0x60 kernel/sched/completion.c:138
f2fs_issue_checkpoint+0x30a/0x4f0
iterate_supers+0x137/0x1f0 fs/super.c:723
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: 0033:0x7f2cc6e8b5a9
RSP: 002b:00007f2cc7b9d168 EFLAGS: 00000246
ORIG_RAX: 00000000000000a2
RAX: ffffffffffffffda RBX: 00007f2cc6fabf80 RCX: 00007f2cc6e8b5a9
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 00007f2cc6ee67b0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffd0004b09f R14: 00007f2cc7b9d300 R15: 0000000000022000
INFO: task syz-executor.2:16525 blocked for more than 144 seconds.
Not tainted 6.1.0-rc2-syzkaller-00078-g98555239e4c3 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.2 state:D stack:28376 pid:16525 ppid:3637 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
schedule_timeout+0xac/0x300 kernel/time/timer.c:1911
do_wait_for_common+0x3ea/0x560 kernel/sched/completion.c:85
__wait_for_common kernel/sched/completion.c:106 [inline]
wait_for_common kernel/sched/completion.c:117 [inline]
wait_for_completion+0x46/0x60 kernel/sched/completion.c:138
f2fs_issue_checkpoint+0x30a/0x4f0
iterate_supers+0x137/0x1f0 fs/super.c:723
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: 0033:0x7f2cc6e8b5a9
RSP: 002b:00007f2cc7b5b168 EFLAGS: 00000246
ORIG_RAX: 00000000000000a2
RAX: ffffffffffffffda RBX: 00007f2cc6fac120 RCX: 00007f2cc6e8b5a9
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 00007f2cc6ee67b0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffd0004b09f R14: 00007f2cc7b5b300 R15: 0000000000022000
INFO: lockdep is turned off.
NMI backtrace for cpu 0
CPU: 0 PID: 28 Comm: khungtaskd Not tainted 6.1.0-rc2-syzkaller-00078-g98555239e4c3 #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: 16632 Comm: dhcpcd Not tainted 6.1.0-rc2-syzkaller-00078-g98555239e4c3 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/11/2022
RIP: 0010:rcu_lock_release+0x0/0x20 include/linux/rcupdate.h:308
Code: 08 e9 1b fe ff ff e8 0f 7a 00 02 e8 1a 6a 42 f9 48 c7 c7 20 d4 dd 8d 4c 89 ee e8 0b e3 27 fc eb 9d 66 0f 1f 84 00 00 00 00 00 <53> 48 89 fb e8 f7 69 42 f9 e8 f2 69 42 f9 48 89 df 48 c7 c6 19 3c
RSP: 0018:ffffc900030ffab0 EFLAGS: 00000287
RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffff88802701d7c0
RDX: 0000000000000000 RSI: ffffffff8b0abbe0 RDI: ffffffff8cd1f3e0
RBP: ffffc900030ffcd0 R08: ffffffff88428c02 R09: fffffbfff1c4f066
R10: fffffbfff1c4f066 R11: 1ffffffff1c4f065 R12: 0000000000000000
R13: ffff888029365800 R14: dffffc0000000000 R15: ffff88801e465280
FS: 00007fa1f3473740(0000) GS:ffff8880b9b00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fa1f3528ee0 CR3: 00000000b514d000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
rcu_read_unlock include/linux/rcupdate.h:771 [inline]
sk_filter_trim_cap+0x4a6/0x5e0 net/core/filter.c:156
sk_filter include/linux/filter.h:870 [inline]
unix_dgram_sendmsg+0xc5e/0x2050 net/unix/af_unix.c:1977
sock_sendmsg_nosec net/socket.c:714 [inline]
sock_sendmsg net/socket.c:734 [inline]
__sys_sendto+0x46d/0x5f0 net/socket.c:2117
__do_sys_sendto net/socket.c:2129 [inline]
__se_sys_sendto net/socket.c:2125 [inline]
__x64_sys_sendto+0xda/0xf0 net/socket.c:2125
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: 0033:0x7fa1f356b0ac
Code: 89 02 48 c7 c0 ff ff ff ff eb b8 0f 1f 00 41 89 ca 64 8b 04 25 18 00 00 00 85 c0 75 19 45 31 c9 45 31 c0 b8 2c 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 64 c3 0f 1f 00 55 48 83 ec 20 48 89 54 24 10
RSP: 002b:00007fffb5ba8e78 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fa1f356b0ac
RDX: 000000000000004f RSI: 000055ef7b1a34f0 RDI: 0000000000000004
RBP: 000055ef7b19cbf0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000004000 R11: 0000000000000246 R12: 0000000000000014
R13: 0000000000000001 R14: 000055ef7ae2c6ca R15: 00007fffb5ba93c0