INFO: task syz-executor.1:18164 can't die for more than 143 seconds.
task:syz-executor.1  state:R  running task     stack:26736 pid:18164 ppid: 14023 flags:0x00004006
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:4955 [inline]
 __schedule+0x940/0x26f0 kernel/sched/core.c:6236
 preempt_schedule_common+0x45/0xc0 kernel/sched/core.c:6408
 __cond_resched+0x13/0x20 kernel/sched/core.c:8121
 _cond_resched include/linux/sched.h:2033 [inline]
 console_conditional_schedule+0x3c/0x50 kernel/printk/printk.c:2755
 fbcon_redraw.constprop.0+0x33e/0x4b0 drivers/video/fbdev/core/fbcon.c:1673
 fbcon_scroll+0x1d7a/0x3580 drivers/video/fbdev/core/fbcon.c:1782
 con_scroll+0x5b9/0x6d0 drivers/tty/vt/vt.c:630
 lf+0x26b/0x2c0 drivers/tty/vt/vt.c:1507
 vc_con_write_normal drivers/tty/vt/vt.c:2851 [inline]
 do_con_write+0xf1c/0x1e40 drivers/tty/vt/vt.c:2955
 con_write+0x21/0x40 drivers/tty/vt/vt.c:3295
 process_output_block drivers/tty/n_tty.c:592 [inline]
 n_tty_write+0x410/0xfd0 drivers/tty/n_tty.c:2288
 do_tty_write drivers/tty/tty_io.c:1038 [inline]
 file_tty_write.constprop.0+0x526/0x910 drivers/tty/tty_io.c:1110
 call_write_iter include/linux/fs.h:2163 [inline]
 do_iter_readv_writev+0x472/0x750 fs/read_write.c:729
 do_iter_write+0x188/0x710 fs/read_write.c:855
 vfs_iter_write+0x70/0xa0 fs/read_write.c:896
 iter_file_splice_write+0x723/0xc70 fs/splice.c:689
 do_splice_from fs/splice.c:767 [inline]
 direct_splice_actor+0x110/0x180 fs/splice.c:936
 splice_direct_to_actor+0x34b/0x8c0 fs/splice.c:891
 do_splice_direct+0x1b3/0x280 fs/splice.c:979
 do_sendfile+0xae9/0x1240 fs/read_write.c:1249
 __do_sys_sendfile64 fs/read_write.c:1314 [inline]
 __se_sys_sendfile64 fs/read_write.c:1300 [inline]
 __x64_sys_sendfile64+0x1cc/0x210 fs/read_write.c:1300
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x44/0xae
RIP: 0033:0x7fcb8665d709
RSP: 002b:00007fcb83bd4188 EFLAGS: 00000246 ORIG_RAX: 0000000000000028
RAX: ffffffffffffffda RBX: 00007fcb86761f60 RCX: 00007fcb8665d709
RDX: 0000000000000000 RSI: 0000000000000006 RDI: 0000000000000005
RBP: 00007fcb866b7cb4 R08: 0000000000000000 R09: 0000000000000000
R10: 0800000080004103 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fff3353390f R14: 00007fcb83bd4300 R15: 0000000000022000
 </TASK>

Showing all locks held in the system:
1 lock held by khungtaskd/27:
 #0: ffffffff8b9807e0 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x53/0x260 kernel/locking/lockdep.c:6446
1 lock held by in:imklog/6231:
 #0: ffff888073fb60f0 (&f->f_pos_lock){+.+.}-{3:3}, at: __fdget_pos+0xe9/0x100 fs/file.c:990
2 locks held by agetty/28198:
 #0: ffff88807e4d7098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x22/0x80 drivers/tty/tty_ldisc.c:252
 #1: ffffc9000afeb2e8 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0xcf0/0x1230 drivers/tty/n_tty.c:2113
5 locks held by syz-executor.1/18164:

=============================================