INFO: task syz-executor.2:9214 blocked for more than 143 seconds.
      Not tainted 6.5.0-syzkaller-12728-ga48fa7efaf11 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.2  state:D stack:25424 pid:9214  ppid:5071   flags:0x00004006
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5382 [inline]
 __schedule+0x1873/0x48f0 kernel/sched/core.c:6695
 schedule+0xc3/0x180 kernel/sched/core.c:6771
 schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:6830
 rwsem_down_write_slowpath+0xedd/0x13a0 kernel/locking/rwsem.c:1178
 __down_write_common+0x1aa/0x200 kernel/locking/rwsem.c:1306
 inode_lock include/linux/fs.h:802 [inline]
 f2fs_ioc_commit_atomic_write fs/f2fs/file.c:2172 [inline]
 __f2fs_ioctl+0x35a0/0xb9b0 fs/f2fs/file.c:4224
 vfs_ioctl fs/ioctl.c:51 [inline]
 __do_sys_ioctl fs/ioctl.c:871 [inline]
 __se_sys_ioctl+0xf8/0x170 fs/ioctl.c:857
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x41/0xc0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7fb3a147cae9
RSP: 002b:00007fb3a221e0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007fb3a159bf80 RCX: 00007fb3a147cae9
RDX: 0000000000000000 RSI: 000000000000f502 RDI: 0000000000000007
RBP: 00007fb3a14c847a R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000000b R14: 00007fb3a159bf80 R15: 00007fff855e8f58
 </TASK>
INFO: lockdep is turned off.
NMI backtrace for cpu 0
CPU: 0 PID: 29 Comm: khungtaskd Not tainted 6.5.0-syzkaller-12728-ga48fa7efaf11 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:88 [inline]
 dump_stack_lvl+0x1e7/0x2d0 lib/dump_stack.c:106
 nmi_cpu_backtrace+0x498/0x4d0 lib/nmi_backtrace.c:113
 nmi_trigger_cpumask_backtrace+0x198/0x310 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+0xdf5/0xe40 kernel/hung_task.c:379
 kthread+0x2b8/0x350 kernel/kthread.c:388
 ret_from_fork+0x48/0x80 arch/x86/kernel/process.c:147
 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: 4464 Comm: syslogd Not tainted 6.5.0-syzkaller-12728-ga48fa7efaf11 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
RIP: 0010:__sanitizer_cov_trace_switch+0x6/0x110 kernel/kcov.c:320
Code: 77 1e 49 ff c2 4c 89 12 48 c7 44 11 08 07 00 00 00 48 89 7c 11 10 48 89 74 11 18 4c 89 44 11 20 c3 0f 1f 00 f3 0f 1e fa 41 57 <41> 56 41 54 53 4c 8b 16 48 8b 46 08 48 83 c0 f8 48 c1 c0 3d 48 83
RSP: 0018:ffffc9000311f990 EFLAGS: 00000282
RAX: 0000000000000000 RBX: ffffc9000311fd90 RCX: ffff88807e8abb80
RDX: ffff888085e807ab RSI: ffffffff8d98fc00 RDI: 0000000000000005
RBP: ffffc9000311fb10 R08: ffffffff843a7169 R09: 1ffff11012476ea9
R10: dffffc0000000000 R11: ffffed1012476eaa R12: 0000000000000005
R13: 1ffff92000623f48 R14: 1ffff92000623fb2 R15: ffffc9000311fda0
FS:  00007f4f7e8b5380(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f70cd998000 CR3: 0000000028d80000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <NMI>
 </NMI>
 <TASK>
 copy_page_from_iter_atomic+0x1d8/0x12d0 lib/iov_iter.c:590
 generic_perform_write+0x392/0x630 mm/filemap.c:3950
 shmem_file_write_iter+0xfc/0x120 mm/shmem.c:2865
 call_write_iter include/linux/fs.h:1985 [inline]
 new_sync_write fs/read_write.c:491 [inline]
 vfs_write+0x782/0xaf0 fs/read_write.c:584
 ksys_write+0x1a0/0x2c0 fs/read_write.c:637
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x41/0xc0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f4f7ea09bf2
Code: 89 c7 48 89 44 24 08 e8 7b 34 fa ff 48 8b 44 24 08 48 83 c4 28 c3 c3 64 8b 04 25 18 00 00 00 85 c0 75 20 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 76 6f 48 8b 15 07 a2 0d 00 f7 d8 64 89 02 48 83
RSP: 002b:00007ffc1ff515e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f4f7ea09bf2
RDX: 0000000000000060 RSI: 0000556fb9f6ac50 RDI: 0000000000000003
RBP: 0000556fb9f6ac50 R08: 0000000000000001 R09: 0000000000000000
R10: 00007f4f7eba83a3 R11: 0000000000000246 R12: 0000000000000060
R13: 00007f4f7e8b5300 R14: 0000000000000004 R15: 0000556fb9f6aa60
 </TASK>