INFO: task syz.7.185:7518 blocked for more than 143 seconds.
      Not tainted syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz.7.185       state:D stack:17448 pid:7518  tgid:7517  ppid:7142   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: 0033:0x7f9d4df8ebe9
RSP: 002b:00007f9d4ee4d038 EFLAGS: 00000246 ORIG_RAX: 0000000000000146
RAX: ffffffffffffffda RBX: 00007f9d4e1c5fa0 RCX: 00007f9d4df8ebe9
RDX: 0000000000000007 RSI: 0000000000000000 RDI: 0000000000000007
RBP: 00007f9d4e011e19 R08: 0000000000000101 R09: 0000000000000000
R10: 00002000000000c0 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f9d4e1c6038 R14: 00007f9d4e1c5fa0 R15: 00007ffd8a20f398
 </TASK>
INFO: task syz.7.185:7535 blocked for more than 143 seconds.
      Not tainted syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz.7.185       state:D stack:27800 pid:7535  tgid:7517  ppid:7142   task_flags:0x400140 flags:0x00004004
Call Trace:
 <TASK>
 __schedule+0x1798/0x4cc0
 schedule+0x165/0x360
 io_schedule+0x80/0xd0
 folio_wait_bit_common+0x6b0/0xb90
 __filemap_get_folio+0x139/0xaf0
 __bch2_truncate_folio+0x11d/0x1a30
 bchfs_fallocate+0x233/0x680
 bch2_fallocate_dispatch+0x28a/0x410
 vfs_fallocate+0x669/0x7e0
 __x64_sys_fallocate+0xc0/0x110
 do_syscall_64+0xfa/0x3b0
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f9d4df8ebe9
RSP: 002b:00007f9d4ee2c038 EFLAGS: 00000246 ORIG_RAX: 000000000000011d
RAX: ffffffffffffffda RBX: 00007f9d4e1c6090 RCX: 00007f9d4df8ebe9
RDX: 0000000000000006 RSI: 0000000000000010 RDI: 0000000000000008
RBP: 00007f9d4e011e19 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000010001 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f9d4e1c6128 R14: 00007f9d4e1c6090 R15: 00007ffd8a20f398
 </TASK>
INFO: task syz.7.185:7536 blocked for more than 143 seconds.
      Not tainted syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz.7.185       state:D stack:27752 pid:7536  tgid:7517  ppid:7142   task_flags:0x400140 flags:0x00004004
Call Trace:
 <TASK>
 __schedule+0x1798/0x4cc0
 schedule+0x165/0x360
 schedule_preempt_disabled+0x13/0x30
 rwsem_down_write_slowpath+0x872/0xfe0
 down_write+0x1ab/0x1f0
 process_measurement+0x3d8/0x1a40
 ima_file_check+0xd7/0x120
 security_file_post_open+0xbb/0x290
 path_openat+0x2f26/0x3830
 do_filp_open+0x1fa/0x410
 do_sys_openat2+0x121/0x1c0
 __x64_sys_openat+0x138/0x170
 do_syscall_64+0xfa/0x3b0
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f9d4df8ebe9
RSP: 002b:00007f9d4ee0b038 EFLAGS: 00000246 ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 00007f9d4e1c6180 RCX: 00007f9d4df8ebe9
RDX: 0000000000000441 RSI: 0000200000000080 RDI: ffffffffffffff9c
RBP: 00007f9d4e011e19 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000108 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f9d4e1c6218 R14: 00007f9d4e1c6180 R15: 00007ffd8a20f398
 </TASK>
INFO: task syz.7.185:7538 blocked for more than 144 seconds.
      Not tainted syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz.7.185       state:D stack:27256 pid:7538  tgid:7517  ppid:7142   task_flags:0x400140 flags:0x00004004
Call Trace:
 <TASK>
 __schedule+0x1798/0x4cc0
 schedule+0x165/0x360
 schedule_preempt_disabled+0x13/0x30
 rwsem_down_write_slowpath+0x872/0xfe0
 down_write+0x1ab/0x1f0
 path_openat+0x8da/0x3830
 do_filp_open+0x1fa/0x410
 do_sys_openat2+0x121/0x1c0
 __x64_sys_openat+0x138/0x170
 do_syscall_64+0xfa/0x3b0
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f9d4df8ebe9
RSP: 002b:00007f9d4edea038 EFLAGS: 00000246 ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 00007f9d4e1c6270 RCX: 00007f9d4df8ebe9
RDX: 0000000000101042 RSI: 0000200000000080 RDI: ffffffffffffff9c
RBP: 00007f9d4e011e19 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000040 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f9d4e1c6308 R14: 00007f9d4e1c6270 R15: 00007ffd8a20f398
 </TASK>
INFO: task syz.7.185:7539 blocked for more than 144 seconds.
      Not tainted syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz.7.185       state:D stack:26520 pid:7539  tgid:7517  ppid:7142   task_flags:0x400040 flags:0x00004006
Call Trace:
 <TASK>
 __schedule+0x1798/0x4cc0
 schedule+0x165/0x360
 schedule_preempt_disabled+0x13/0x30
 rwsem_down_write_slowpath+0x872/0xfe0
 down_write_nested+0x1b5/0x200
 vfs_rename+0x6d8/0xf00
 do_renameat2+0x6ce/0xa80
 __x64_sys_rename+0x82/0x90
 do_syscall_64+0xfa/0x3b0
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f9d4df8ebe9
RSP: 002b:00007f9d4edc9038 EFLAGS: 00000246 ORIG_RAX: 0000000000000052
RAX: ffffffffffffffda RBX: 00007f9d4e1c6360 RCX: 00007f9d4df8ebe9
RDX: 0000000000000000 RSI: 0000200000000200 RDI: 0000200000000180
RBP: 00007f9d4e011e19 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f9d4e1c63f8 R14: 00007f9d4e1c6360 R15: 00007ffd8a20f398
 </TASK>
INFO: task syz.7.185:7545 blocked for more than 144 seconds.
      Not tainted syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz.7.185       state:D stack:28936 pid:7545  tgid:7517  ppid:7142   task_flags:0x400040 flags:0x00004004
Call Trace:
 <TASK>
 __schedule+0x1798/0x4cc0
 schedule+0x165/0x360
 schedule_preempt_disabled+0x13/0x30
 rwsem_down_write_slowpath+0x872/0xfe0
 down_write_nested+0x1b5/0x200
 filename_create+0x1f8/0x3c0
 do_symlinkat+0xbc/0x3f0
 __x64_sys_symlinkat+0x95/0xb0
 do_syscall_64+0xfa/0x3b0
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f9d4df8ebe9
RSP: 002b:00007f9d4eda8038 EFLAGS: 00000246 ORIG_RAX: 000000000000010a
RAX: ffffffffffffffda RBX: 00007f9d4e1c6450 RCX: 00007f9d4df8ebe9
RDX: 0000200000000080 RSI: ffffffffffffff9c RDI: 0000200000000000
RBP: 00007f9d4e011e19 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f9d4e1c64e8 R14: 00007f9d4e1c6450 R15: 00007ffd8a20f398
 </TASK>
INFO: task syz.7.185:7557 blocked for more than 144 seconds.
      Not tainted syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz.7.185       state:D stack:28416 pid:7557  tgid:7517  ppid:7142   task_flags:0x400040 flags:0x00004004
Call Trace:
 <TASK>
 __schedule+0x1798/0x4cc0
 schedule+0x165/0x360
 schedule_preempt_disabled+0x13/0x30
 rwsem_down_write_slowpath+0x872/0xfe0
 down_write_nested+0x1b5/0x200
 filename_create+0x1f8/0x3c0
 do_mkdirat+0xa0/0x590
 __x64_sys_mkdirat+0x87/0xa0
 do_syscall_64+0xfa/0x3b0
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f9d4df8d457
RSP: 002b:00007f9d4ed86e68 EFLAGS: 00000246 ORIG_RAX: 0000000000000102
RAX: ffffffffffffffda RBX: 00007f9d4ed86ef0 RCX: 00007f9d4df8d457
RDX: 00000000000001ff RSI: 00002000000000c0 RDI: 00000000ffffff9c
RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00002000000000c0
R13: 00007f9d4ed86eb0 R14: 0000000000000000 R15: 0000000000000000
 </TASK>
INFO: task syz.7.185:7558 blocked for more than 144 seconds.
      Not tainted syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz.7.185       state:D stack:28936 pid:7558  tgid:7517  ppid:7142   task_flags:0x400040 flags:0x00004004
Call Trace:
 <TASK>
 __schedule+0x1798/0x4cc0
 schedule+0x165/0x360
 schedule_preempt_disabled+0x13/0x30
 rwsem_down_read_slowpath+0x5fd/0x8f0
 down_read+0x98/0x2e0
 lookup_slow+0x46/0x70
 walk_component+0x2d2/0x400
 path_lookupat+0x163/0x430
 filename_lookup+0x212/0x570
 do_linkat+0x120/0x560
 __x64_sys_linkat+0xd4/0xf0
 do_syscall_64+0xfa/0x3b0
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f9d4df8ebe9
RSP: 002b:00007f9d4ed66038 EFLAGS: 00000246 ORIG_RAX: 0000000000000109
RAX: ffffffffffffffda RBX: 00007f9d4e1c6630 RCX: 00007f9d4df8ebe9
RDX: ffffffffffffff9c RSI: 00002000000006c0 RDI: ffffffffffffff9c
RBP: 00007f9d4e011e19 R08: 0000000000000000 R09: 0000000000000000
R10: 0000200000000700 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f9d4e1c66c8 R14: 00007f9d4e1c6630 R15: 00007ffd8a20f398
 </TASK>

Showing all locks held in the system:
1 lock held by khungtaskd/34:
 #0: ffffffff8e139f20 (rcu_read_lock){....}-{1:3}, at: debug_show_all_locks+0x2e/0x180
2 locks held by getty/5677:
 #0: ffff88810f71d0a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x25/0x70
 #1: ffffc900025702f0 (&ldata->atomic_read_lock){+.+.}-{4:4}, at: n_tty_read+0x43e/0x1400
4 locks held by kworker/u8:3/5885:
1 lock held by syz.7.185/7518:
 #0: ffff88803e2a19b0 (mapping.invalidate_lock#7){.+.+}-{4:4}, at: page_cache_ra_order+0x318/0xd40
2 locks held by syz.7.185/7535:
 #0: ffff88810ef08428 (sb_writers#22){.+.+}-{0:0}, at: vfs_fallocate+0x5f0/0x7e0
 #1: ffff88803e2a1810 (&sb->s_type->i_mutex_key#30){++++}-{4:4}, at: bch2_fallocate_dispatch+0x10e/0x410
1 lock held by syz.7.185/7536:
 #0: ffff88803e2a1810 (&sb->s_type->i_mutex_key#30){++++}-{4:4}, at: process_measurement+0x3d8/0x1a40
2 locks held by syz.7.185/7538:
 #0: ffff88810ef08428 (sb_writers#22){.+.+}-{0:0}, at: mnt_want_write+0x41/0x90
 #1: ffff88803e2a0148 (&sb->s_type->i_mutex_key#30){++++}-{4:4}, at: path_openat+0x8da/0x3830
3 locks held by syz.7.185/7539:
 #0: ffff88810ef08428 (sb_writers#22){.+.+}-{0:0}, at: mnt_want_write+0x41/0x90
 #1: ffff88803e2a0148 (&sb->s_type->i_mutex_key#30/1){+.+.}-{4:4}, at: do_renameat2+0x3b9/0xa80
 #2: ffff88803e2a1810 (&sb->s_type->i_mutex_key#30/4){+.+.}-{4:4}, at: vfs_rename+0x6d8/0xf00
2 locks held by syz.7.185/7545:
 #0: ffff88810ef08428 (sb_writers#22){.+.+}-{0:0}, at: mnt_want_write+0x41/0x90
 #1: ffff88803e2a0148 (&sb->s_type->i_mutex_key#30/1){+.+.}-{4:4}, at: filename_create+0x1f8/0x3c0
2 locks held by syz.7.185/7557:
 #0: ffff88810ef08428 (sb_writers#22){.+.+}-{0:0}, at: mnt_want_write+0x41/0x90
 #1: ffff88803e2a0148 (&sb->s_type->i_mutex_key#30/1){+.+.}-{4:4}, at: filename_create+0x1f8/0x3c0
1 lock held by syz.7.185/7558:
 #0: ffff88803e2a0148 (&sb->s_type->i_mutex_key#30){++++}-{4:4}, at: lookup_slow+0x46/0x70

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

NMI backtrace for cpu 1
CPU: 1 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+0x3fc/0x770
 ret_from_fork_asm+0x1a/0x30
 </TASK>
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 UID: 0 PID: 0 Comm: swapper/0 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:pv_native_safe_halt+0x13/0x20
Code: 53 e7 02 00 cc cc cc 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa eb 07 0f 00 2d 73 67 0e 00 f3 0f 1e fa fb f4 <c3> cc cc cc cc cc cc cc cc cc cc cc cc 90 90 90 90 90 90 90 90 90
RSP: 0018:ffffffff8de07d80 EFLAGS: 00000282
RAX: cd9184dd3ccaf000 RBX: ffffffff819683c8 RCX: cd9184dd3ccaf000
RDX: 0000000000000001 RSI: ffffffff8d9b8292 RDI: ffffffff8be33880
RBP: ffffffff8de07eb8 R08: ffff88804b032f9b R09: 1ffff110096065f3
R10: dffffc0000000000 R11: ffffed10096065f4 R12: ffffffff8fa39030
R13: 0000000000000000 R14: 0000000000000000 R15: 1ffffffff1bd2a20
FS:  0000000000000000(0000) GS:ffff8880b8618000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055558efef608 CR3: 000000011085e000 CR4: 00000000000006f0
Call Trace:
 <TASK>
 default_idle+0x13/0x20
 default_idle_call+0x74/0xb0
 do_idle+0x1e8/0x510
 cpu_startup_entry+0x44/0x60
 rest_init+0x2de/0x300
 start_kernel+0x3a9/0x410
 x86_64_start_reservations+0x24/0x30
 x86_64_start_kernel+0x143/0x1c0
 common_startup_64+0x13e/0x147
 </TASK>
