INFO: task bch-reclaim/loo:6487 blocked for more than 143 seconds.
      Not tainted syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:bch-reclaim/loo state:D stack:22696 pid:6487  tgid:6487  ppid:2      task_flags:0x200040 flags:0x00004000
Call Trace:
 <TASK>
 __schedule+0x1798/0x4cc0
 schedule+0x165/0x360
 schedule_preempt_disabled+0x13/0x30
 __mutex_lock+0x7e6/0x1350
 bch2_journal_reclaim_thread+0x16b/0x4f0
 kthread+0x711/0x8a0
 ret_from_fork+0x3fc/0x770
 ret_from_fork_asm+0x1a/0x30
 </TASK>
INFO: lockdep is turned off.
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+0x3fc/0x770
 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: 10354 Comm: rm 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:debug_lockdep_rcu_enabled+0x0/0x40
Code: 76 cb 09 f6 90 0f 0b 90 90 90 eb c4 cc cc cc cc cc cc cc cc cc cc cc cc cc cc 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 <f3> 0f 1e fa 31 c0 83 3d 57 05 2a 04 00 74 1e 83 3d 7a 35 2a 04 00
RSP: 0018:ffffc900028667d0 EFLAGS: 00000286
RAX: d18d6a364b89f400 RBX: 000000012f750208 RCX: d18d6a364b89f400
RDX: 0000000000000000 RSI: ffffffff8be33660 RDI: ffffffff8be33620
RBP: ffffc90002866970 R08: 0000000000000000 R09: 0000000000000000
R10: dffffc0000000000 R11: fffffbfff1f47067 R12: 0000000000001000
R13: dffffc0000000000 R14: ffffffff81748958 R15: ffff88805fffa8a0
FS:  00007fbbe70e9380(0000) GS:ffff8881a3c1b000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fbbe7253fe4 CR3: 000000012bdd8000 CR4: 00000000000006f0
Call Trace:
 <TASK>
 __virt_addr_valid+0x1ee/0x5c0
 kasan_addr_to_slab+0xf/0x90
 kasan_record_aux_stack+0xf/0xd0
 call_rcu+0x157/0x9c0
 mas_wmb_replace+0x1756/0x25f0
 mas_commit_b_node+0xabf/0xf70
 mas_wr_store_entry+0x50f/0x25b0
 mas_store_prealloc+0xb00/0xf60
 vma_complete+0x224/0xae0
 __split_vma+0x8a6/0xa00
 vma_modify+0x13b3/0x1970
 vma_modify_flags+0x1e8/0x230
 mprotect_fixup+0x407/0x9c0
 do_mprotect_pkey+0x8cd/0xce0
 __x64_sys_mprotect+0x80/0x90
 do_syscall_64+0xfa/0x3b0
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fbbe740fbb7
Code: 00 00 00 b8 0b 00 00 00 0f 05 48 3d 01 f0 ff ff 73 01 c3 48 8d 0d b9 46 01 00 f7 d8 89 01 48 83 c8 ff c3 b8 0a 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8d 0d 99 46 01 00 f7 d8 89 01 48 83
RSP: 002b:00007ffc6c9bcec8 EFLAGS: 00000206 ORIG_RAX: 000000000000000a
RAX: ffffffffffffffda RBX: 00007fbbe73eaf00 RCX: 00007fbbe740fbb7
RDX: 0000000000000001 RSI: 0000000000001000 RDI: 00007fbbe7162000
RBP: 00007ffc6c9bcfe0 R08: 00007ffc6c9bce58 R09: 00007fbbe73ea500
R10: 00007fbbe7141168 R11: 0000000000000206 R12: 00007fbbe73eaf00
R13: 00007fbbe7417eda R14: 00007fbbe7162f40 R15: 00007fbbe7162740
 </TASK>
