INFO: task syz.3.61:6460 blocked for more than 143 seconds.
      Not tainted syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz.3.61        state:D stack:17448 pid:6460  tgid:6459  ppid:6259   task_flags:0x440140 flags:0x00004006
Call Trace:
 <TASK>
 __schedule+0x1798/0x4cc0
 schedule+0x165/0x360
 __bch2_two_state_lock+0x1ea/0x370
 bch2_readahead+0x94f/0x1100
 read_pages+0x17a/0x580
 page_cache_ra_order+0x8ca/0xd40
 filemap_get_pages+0x43c/0x1ea0
 filemap_splice_read+0x581/0xc60
 splice_direct_to_actor+0x4a9/0xcc0
 do_splice_direct+0x181/0x270
 vfs_copy_file_range+0xabc/0x1310
 __se_sys_copy_file_range+0x2fb/0x470
 do_syscall_64+0xfa/0x3b0
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f4eab58ec29
RSP: 002b:00007f4ea97ee038 EFLAGS: 00000246 ORIG_RAX: 0000000000000146
RAX: ffffffffffffffda RBX: 00007f4eab7d5fa0 RCX: 00007f4eab58ec29
RDX: 000000000000000a RSI: 0000000000000000 RDI: 000000000000000b
RBP: 00007f4eab611e41 R08: 0000000000400000 R09: 0000000000000000
R10: 00002000000000c0 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f4eab7d6038 R14: 00007f4eab7d5fa0 R15: 00007ffd2ffbd078
 </TASK>
INFO: task syz.3.61:6483 blocked for more than 143 seconds.
      Not tainted syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz.3.61        state:D stack:26536 pid:6483  tgid:6459  ppid:6259   task_flags:0x400040 flags:0x00004004
Call Trace:
 <TASK>
 __schedule+0x1798/0x4cc0
 schedule+0x165/0x360
 io_schedule+0x80/0xd0
 folio_wait_bit_common+0x6b0/0xb90
 invalidate_inode_pages2_range+0x557/0xa80
 bch2_write_invalidate_inode_pages_range+0xc5/0x110
 bch2_direct_write+0x2a62/0x2ce0
 bch2_write_iter+0x18f/0x2b90
 do_iter_readv_writev+0x61c/0x8b0
 vfs_writev+0x31a/0x960
 __se_sys_pwritev2+0x179/0x290
 do_syscall_64+0xfa/0x3b0
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f4eab58ec29
RSP: 002b:00007f4ea97cd038 EFLAGS: 00000246 ORIG_RAX: 0000000000000148
RAX: ffffffffffffffda RBX: 00007f4eab7d6090 RCX: 00007f4eab58ec29
RDX: 0000000000000001 RSI: 0000200000000240 RDI: 0000000000000009
RBP: 00007f4eab611e41 R08: 0000000000000000 R09: 0000000000000003
R10: 0000000000007000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f4eab7d6128 R14: 00007f4eab7d6090 R15: 00007ffd2ffbd078
 </TASK>

Showing all locks held in the system:
1 lock held by khungtaskd/34:
 #0: ffffffff8e13a0e0 (rcu_read_lock){....}-{1:3}, at: debug_show_all_locks+0x2e/0x180
2 locks held by getty/5677:
 #0: ffff8881076fe0a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x25/0x70
 #1: ffffc900029062f0 (&ldata->atomic_read_lock){+.+.}-{4:4}, at: n_tty_read+0x43e/0x1400
3 locks held by kworker/u8:2/5862:
1 lock held by syz.3.61/6460:
 #0: ffff88802b2f19b0 (mapping.invalidate_lock#5){.+.+}-{4:4}, at: page_cache_ra_order+0x318/0xd40
1 lock held by syz.3.61/6483:
 #0: ffff88803528c428 (sb_writers#14){.+.+}-{0:0}, at: vfs_writev+0x288/0x960
1 lock held by syz.8.221/8011:
 #0: ffff8881035f6d38 (mapping.invalidate_lock#5){.+.+}-{4:4}, at: page_cache_ra_order+0x318/0xd40
1 lock held by syz.8.221/8048:
 #0: ffff8880275e8428 (sb_writers#14){.+.+}-{0:0}, at: vfs_writev+0x288/0x960
2 locks held by syz.4.370/9612:

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

NMI backtrace for cpu 0
CPU: 0 UID: 0 PID: 34 Comm: khungtaskd Not tainted syzkaller #0 PREEMPT(full) 
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.2-debian-1.16.2-1 04/01/2014
Call Trace:
 <TASK>
 dump_stack_lvl+0x189/0x250
 nmi_cpu_backtrace+0x39e/0x3d0
 nmi_trigger_cpumask_backtrace+0x17a/0x300
 watchdog+0xf93/0xfe0
 kthread+0x711/0x8a0
 ret_from_fork+0x439/0x7d0
 ret_from_fork_asm+0x1a/0x30
 </TASK>
Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 UID: 0 PID: 9612 Comm: syz.4.370 Not tainted syzkaller #0 PREEMPT(full) 
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.2-debian-1.16.2-1 04/01/2014
RIP: 0010:validate_chain+0x1e1/0x2140
Code: cc 48 ff cb f7 c1 00 60 00 00 74 c8 e9 8d 00 00 00 48 c7 c7 50 b1 00 8e 4c 89 fe e8 99 2e 62 03 48 8b 14 24 eb c9 48 8b 48 18 <4c> 39 f9 0f 84 b2 00 00 00 48 8b 40 08 48 85 c0 0f 84 c2 fe ff ff
RSP: 0018:ffffc90002b8ef28 EFLAGS: 00000046
RAX: ffffffff93c79ab0 RBX: 000000000000bedb RCX: 57cb417ff35b8848
RDX: 0000000000000000 RSI: ffff8881097ec4c0 RDI: ffff8881097eb980
RBP: 0000000000000000 R08: 0000000000000000 R09: ffffffff81a063a0
R10: dffffc0000000000 R11: fffffbfff1bfa22c R12: 0000000000000000
R13: ffff8881097ec470 R14: ffff8881097ec4c0 R15: a2db7b5ec0677f97
FS:  00007fdca36096c0(0000) GS:ffff8881a3c13000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f95f4bff000 CR3: 000000012bede000 CR4: 00000000000006f0
Call Trace:
 <TASK>
 __lock_acquire+0xab9/0xd20
 lock_acquire+0x120/0x360
 _raw_spin_lock+0x2e/0x40
 console_flush_all+0x690/0xc40
 console_unlock+0xc4/0x270
 vprintk_emit+0x5b7/0x7a0
 _printk+0xcf/0x120
 bch2_print_string_as_lines+0x135/0x250
 print_mount_opts+0x647/0x7a0
 bch2_fs_start+0x9e/0xda0
 bch2_fs_get_tree+0xb39/0x1520
 vfs_get_tree+0x92/0x2b0
 do_new_mount+0x2a2/0x9e0
 __se_sys_mount+0x317/0x410
 do_syscall_64+0xfa/0x3b0
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fdca27903ca
Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fdca3608e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00007fdca3608ef0 RCX: 00007fdca27903ca
RDX: 0000200000000040 RSI: 00002000000004c0 RDI: 00007fdca3608eb0
RBP: 0000200000000040 R08: 00007fdca3608ef0 R09: 000000000000049c
R10: 000000000000049c R11: 0000000000000246 R12: 00002000000004c0
R13: 00007fdca3608eb0 R14: 0000000000005a8c R15: 0000200000000180
 </TASK>
