INFO: task syz-executor.4:12637 blocked for more than 143 seconds.
      Not tainted 6.5.0-rc4-next-20230804-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.4  state:D stack:25464 pid:12637 ppid:5079   flags:0x00000006
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5382 [inline]
 __schedule+0xee1/0x59f0 kernel/sched/core.c:6711
 schedule+0xe7/0x1b0 kernel/sched/core.c:6787
 schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:6846
 rwsem_down_write_slowpath+0x53e/0x1290 kernel/locking/rwsem.c:1178
 __down_write_common kernel/locking/rwsem.c:1306 [inline]
 __down_write kernel/locking/rwsem.c:1315 [inline]
 down_write+0x1d3/0x200 kernel/locking/rwsem.c:1574
 inode_lock include/linux/fs.h:802 [inline]
 f2fs_ioc_commit_atomic_write fs/f2fs/file.c:2171 [inline]
 __f2fs_ioctl+0x1de2/0x9a10 fs/f2fs/file.c:4220
 f2fs_ioctl+0x192/0x220 fs/f2fs/file.c:4308
 vfs_ioctl fs/ioctl.c:51 [inline]
 __do_sys_ioctl fs/ioctl.c:870 [inline]
 __se_sys_ioctl fs/ioctl.c:856 [inline]
 __x64_sys_ioctl+0x18f/0x210 fs/ioctl.c:856
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x38/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f050747cae9
RSP: 002b:00007f05081c00c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007f050759bf80 RCX: 00007f050747cae9
RDX: 0000000000000000 RSI: 000000000000f502 RDI: 0000000000000005
RBP: 00007f05074c847a R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000000b R14: 00007f050759bf80 R15: 00007ffc20b1f118
 </TASK>
INFO: lockdep is turned off.
NMI backtrace for cpu 0
CPU: 0 PID: 28 Comm: khungtaskd Not tainted 6.5.0-rc4-next-20230804-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2023
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:88 [inline]
 dump_stack_lvl+0xd9/0x1b0 lib/dump_stack.c:106
 nmi_cpu_backtrace+0x277/0x380 lib/nmi_backtrace.c:113
 nmi_trigger_cpumask_backtrace+0x2ac/0x310 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+0xfab/0x1230 kernel/hung_task.c:379
 kthread+0x33a/0x430 kernel/kthread.c:389
 ret_from_fork+0x2c/0x70 arch/x86/kernel/process.c:145
 ret_from_fork_asm+0x11/0x20 arch/x86/entry/entry_64.S:304
 </TASK>
Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 PID: 14966 Comm: vivid-000-vid-c Not tainted 6.5.0-rc4-next-20230804-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2023
RIP: 0010:rdtsc_ordered arch/x86/include/asm/msr.h:215 [inline]
RIP: 0010:__pvclock_clocksource_read arch/x86/kernel/pvclock.c:77 [inline]
RIP: 0010:pvclock_clocksource_read_nowd+0x1a/0xf0 arch/x86/kernel/pvclock.c:120
Code: f3 0f 1e fa 0f 0b 66 2e 0f 1f 84 00 00 00 00 00 66 0f 1f 00 41 54 55 53 48 89 fb 48 83 ec 10 8b 17 83 e2 fe 41 89 d4 0f 01 f9 <66> 90 48 c1 e2 20 8b 6b 18 48 09 c2 48 89 d0 0f be 53 1c 48 2b 43
RSP: 0018:ffffc9001588fb00 EFLAGS: 00000002
RAX: 00000000a35e42ce RBX: ffffffff903df040 RCX: 0000000000000001
RDX: 0000000000000154 RSI: 0000000000000004 RDI: ffffffff903df040
RBP: 1ffff92002b11f6d R08: 0000000000000000 R09: fffff52002b11f76
R10: 0000000000000000 R11: 0000003f23d08f91 R12: 0000000000000008
R13: ffff8880b993d1a0 R14: fffffbfff18c1e40 R15: ffff8880b993c680
FS:  0000000000000000(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000c000ccc43b CR3: 000000001d575000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <NMI>
 </NMI>
 <TASK>
 kvm_sched_clock_read+0x11/0x20 arch/x86/kernel/kvmclock.c:91
 sched_clock+0x10/0x20 arch/x86/kernel/tsc.c:283
 sched_clock_cpu+0x6d/0x4c0 kernel/sched/clock.c:394
 update_rq_clock kernel/sched/core.c:765 [inline]
 update_rq_clock+0x116/0xb20 kernel/sched/core.c:750
 __schedule+0x33a/0x59f0 kernel/sched/core.c:6633
 schedule+0xe7/0x1b0 kernel/sched/core.c:6787
 vivid_thread_vid_cap+0x6ca/0xb90 drivers/media/test-drivers/vivid/vivid-kthread-cap.c:770
 kthread+0x33a/0x430 kernel/kthread.c:389
 ret_from_fork+0x2c/0x70 arch/x86/kernel/process.c:145
 ret_from_fork_asm+0x11/0x20 arch/x86/entry/entry_64.S:304
 </TASK>