INFO: task syz.3.176:7150 blocked for more than 143 seconds.
      Not tainted syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz.3.176       state:D stack:25240 pid:7150  tgid:7149  ppid:6212   task_flags:0x400140 flags:0x00004006
Call Trace:
 <TASK>
 __schedule+0x1798/0x4cc0
 schedule+0x165/0x360
 schedule_preempt_disabled+0x13/0x30
 __mutex_lock+0x7e6/0x1350
 hfs_find_init+0x184/0x200
 hfs_extend_file+0x2ee/0x1230
 hfs_bmap_reserve+0x107/0x430
 __hfs_ext_write_extent+0x1fa/0x470
 __hfs_ext_cache_extent+0x6b/0x9b0
 hfs_extend_file+0x316/0x1230
 hfs_get_block+0x3d7/0xbd0
 __block_write_begin_int+0x6b5/0x1900
 cont_write_begin+0x789/0xb50
 hfs_write_begin+0x66/0xb0
 cont_write_begin+0x2fd/0xb50
 hfs_write_begin+0x66/0xb0
 generic_perform_write+0x2c5/0x900
 generic_file_write_iter+0x117/0x550
 vfs_write+0x5c9/0xb30
 __x64_sys_pwrite64+0x193/0x220
 do_syscall_64+0xfa/0x3b0
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fb2ff58ebe9
RSP: 002b:00007fb3004bd038 EFLAGS: 00000246 ORIG_RAX: 0000000000000012
RAX: ffffffffffffffda RBX: 00007fb2ff7b5fa0 RCX: 00007fb2ff58ebe9
RDX: 0000000000000001 RSI: 0000200000000140 RDI: 0000000000000006
RBP: 00007fb2ff611e19 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000008080c61 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fb2ff7b6038 R14: 00007fb2ff7b5fa0 R15: 00007ffceb0192c8
 </TASK>
INFO: task syz.3.176:7158 blocked for more than 143 seconds.
      Not tainted syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz.3.176       state:D stack:27864 pid:7158  tgid:7149  ppid:6212   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+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: 0033:0x7fb2ff58ebe9
RSP: 002b:00007fb30049c038 EFLAGS: 00000246
 ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 00007fb2ff7b6090 RCX: 00007fb2ff58ebe9
RDX: 00000000000c4002 RSI: 0000200000000300 RDI: ffffffffffffff9c
RBP: 00007fb2ff611e19 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fb2ff7b6128 R14: 00007fb2ff7b6090 R15: 00007ffceb0192c8
 </TASK>
INFO: task syz.3.176:7164 blocked for more than 144 seconds.
      Not tainted syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz.3.176       state:D
 stack:27080 pid:7164  tgid:7149  ppid:6212   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+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: 0033:0x7fb2ff58ebe9
RSP: 002b:00007fb30047b038 EFLAGS: 00000246 ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 00007fb2ff7b6180 RCX: 00007fb2ff58ebe9
RDX: 0000000000141042 RSI: 0000200000000040 RDI: ffffffffffffff9c
RBP: 00007fb2ff611e19 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fb2ff7b6218 R14: 00007fb2ff7b6180 R15: 00007ffceb0192c8
 </TASK>
INFO: task syz.3.176:7167 blocked for more than 144 seconds.
      Not tainted syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz.3.176       state:D
 stack:28232 pid:7167  tgid:7149  ppid:6212   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+0x1ab/0x1f0
 vfs_unlink+0xf2/0x650
 do_unlinkat+0x345/0x560
 __x64_sys_unlink+0x47/0x50
 do_syscall_64+0xfa/0x3b0
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fb2ff58ebe9
RSP: 002b:00007fb30045a038 EFLAGS: 00000246 ORIG_RAX: 0000000000000057
RAX: ffffffffffffffda RBX: 00007fb2ff7b6270 RCX: 00007fb2ff58ebe9
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00002000000000c0
RBP: 00007fb2ff611e19 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fb2ff7b6308 R14: 00007fb2ff7b6270 R15: 00007ffceb0192c8
 </TASK>
INFO: lockdep is turned off.
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: 26 Comm: kworker/u9:0 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
Workqueue: writeback wb_workfn (flush-7:9)
RIP: 0010:io_serial_out+0x7c/0xc0
Code: 8d 70 fc 44 89 f9 d3 e5 49 83 c6 40 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 74 08 4c 89 f7 e8 4c f6 d3 fc 41 03 2e 89 d8 89 ea ee <5b> 41 5c 41 5e 41 5f 5d e9 d7 3c 2d 06 cc 44 89 f9 80 e1 07 38 c1
RSP: 0018:ffffc900001ed7f0 EFLAGS: 00000006
RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000
RDX: 00000000000003f9 RSI: 0000000000000000 RDI: 0000000000000020
RBP: 00000000000003f9 R08: 0000000000000003 R09: 0000000000000004
R10: dffffc0000000000 R11: ffffffff854f1dc0 R12: dffffc0000000000
R13: dffffc0000000000 R14: ffffffff99def3e0 R15: 0000000000000000
FS:  0000000000000000(0000) GS:ffff8880b861b000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f884a3733e0 CR3: 000000000df36000 CR4: 00000000000006f0
Call Trace:
 <TASK>
 serial8250_console_write+0x5f2/0x1ba0
 console_flush_all+0x728/0xc40
 console_unlock+0xc4/0x270
 vprintk_emit+0x5b7/0x7a0
 _printk+0xcf/0x120
 print_hex_dump+0x1a8/0x260
 xfs_hex_dump+0x3d/0x50
 xfs_buf_verifier_error+0x1cc/0x2a0
 xfs_allocbt_read_verify+0x5f/0xe0
 __xfs_buf_ioend+0x342/0x6f0
 xfs_buf_iowait+0x167/0x480
 xfs_buf_read_map+0x335/0xa50
 xfs_trans_read_buf_map+0x1d7/0x8e0
 xfs_btree_read_buf_block+0x290/0x470
 xfs_btree_lookup_get_block+0x28d/0x500
 xfs_btree_lookup+0x4e1/0x1410
 xfs_alloc_ag_vextent_near+0x447/0x1230
 xfs_alloc_vextent_iterate_ags+0x640/0x940
 xfs_alloc_vextent_start_ag+0x388/0x850
 xfs_bmapi_allocate+0x188e/0x2e00
 xfs_bmapi_convert_delalloc+0x7e2/0x1430
 xfs_writeback_range+0x674/0xf70
 iomap_writeback_folio+0xe75/0x1c80
 iomap_writepages+0x162/0x2d0
 xfs_vm_writepages+0x296/0x310
 do_writepages+0x32e/0x550
 __writeback_single_inode+0x145/0xff0
 writeback_sb_inodes+0x6c7/0x1010
 wb_writeback+0x43b/0xaf0
 wb_workfn+0x409/0xef0
 process_scheduled_works+0xae1/0x17b0
 worker_thread+0x8a0/0xda0
 kthread+0x711/0x8a0
 ret_from_fork+0x3fc/0x770
 ret_from_fork_asm+0x1a/0x30
 </TASK>
