RAX: ffffffffffffffda RBX: 00007f4d5b757c90 RCX: 0000000000457579
RDX: 0000000001fffffe RSI: 0000000000200000 RDI: 00000000205a1000
RBP: 000000000072bf00 R08: ffffffffffffffff R09: 0000000000000000
R10: 0000000000008031 R11: 0000000000000246 R12: 00007f4d5b7586d4
R13: 00000000004c284a R14: 00000000004d3bd0 R15: 0000000000000007
INFO: task syz-executor5:21392 blocked for more than 140 seconds.
      Not tainted 4.19.0-rc6+ #268
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
syz-executor5   D24240 21392   5891 0x00000004
Call Trace:
 context_switch kernel/sched/core.c:2825 [inline]
 __schedule+0x86c/0x1ed0 kernel/sched/core.c:3473
 schedule+0xfe/0x460 kernel/sched/core.c:3517
 __rwsem_down_write_failed_common+0xbb9/0x1670 kernel/locking/rwsem-xadd.c:566
 rwsem_down_write_failed+0xe/0x10 kernel/locking/rwsem-xadd.c:595
 call_rwsem_down_write_failed+0x17/0x30 arch/x86/lib/rwsem.S:117
 __down_write arch/x86/include/asm/rwsem.h:142 [inline]
 down_write+0xa5/0x130 kernel/locking/rwsem.c:72
 inode_lock include/linux/fs.h:738 [inline]
 utimes_common.isra.1+0x45c/0x8e0 fs/utimes.c:90
 do_utimes+0x1f7/0x380 fs/utimes.c:156
 do_futimesat+0x250/0x350 fs/utimes.c:212
 __do_sys_utimes fs/utimes.c:225 [inline]
 __se_sys_utimes fs/utimes.c:222 [inline]
 __x64_sys_utimes+0x59/0x80 fs/utimes.c:222
 do_syscall_64+0x1b9/0x820 arch/x86/entry/common.c:290
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x457579
Code: 24 08 48 89 01 e8 d7 2d fc ff e8 22 7a fc ff b8 02 00 00 00 48 8d 0d 6a 60 09 01 87 01 8b 05 62 60 09 01 83 f8 01 0f 85 8a 00 <00> 00 b8 01 00 00 00 88 05 9e 65 09 01 84 c0 74 72 b8 01 00 00 00
RSP: 002b:00007fa317934c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000eb
RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 0000000000457579
RDX: 0000000000000000 RSI: 0000000020000600 RDI: 0000000020000040
RBP: 000000000072c0e0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007fa3179356d4
R13: 00000000004c4f5a R14: 00000000004d8508 R15: 00000000ffffffff
INFO: lockdep is turned off.
NMI backtrace for cpu 0
CPU: 0 PID: 982 Comm: khungtaskd Not tainted 4.19.0-rc6+ #268
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0x1c4/0x2b4 lib/dump_stack.c:113
 nmi_cpu_backtrace.cold.3+0x63/0xa2 lib/nmi_backtrace.c:101
 nmi_trigger_cpumask_backtrace+0x1b3/0x1ed lib/nmi_backtrace.c:62
 arch_trigger_cpumask_backtrace+0x14/0x20 arch/x86/kernel/apic/hw_nmi.c:38
 trigger_all_cpu_backtrace include/linux/nmi.h:144 [inline]
 check_hung_uninterruptible_tasks kernel/hung_task.c:204 [inline]
 watchdog+0xb3e/0x1050 kernel/hung_task.c:265
 kthread+0x35a/0x420 kernel/kthread.c:246
 ret_from_fork+0x3a/0x50 arch/x86/entry/entry_64.S:413
Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 PID: 0 Comm: swapper/1 Not tainted 4.19.0-rc6+ #268
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:reschedule_interrupt+0x0/0x20 arch/x86/entry/entry_64.S:887
Code: 66 2e 0f 1f 84 00 00 00 00 00 68 03 ff ff ff e8 36 f2 ff ff e8 31 2d 00 00 e9 2b f3 ff ff 66 90 66 2e 0f 1f 84 00 00 00 00 00 <68> 02 ff ff ff e8 16 f2 ff ff e8 c1 26 00 00 e9 0b f3 ff ff 66 90
RSP: 0018:ffff8801d9aefc08 EFLAGS: 00000086
RAX: dffffc0000000000 RBX: 1ffff1003b35df8a RCX: ffffffff8184c1ba
RDX: 1ffffffff1263e44 RSI: ffffffff8184c1d4 RDI: ffffffff8931f220
RBP: ffff8801d9aefc30 R08: ffff8801d9adc3c0 R09: ffffed003b5e4732
R10: ffffed003b5e4732 R11: ffff8801daf23993 R12: ffff8801d9aefcf0
R13: ffffffff89f3c160 R14: 0000000000000000 R15: 0000000000000001
FS:  0000000000000000(0000) GS:ffff8801daf00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f5f5c8c2000 CR3: 00000001bfa82000 CR4: 00000000001406e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 arch_safe_halt arch/x86/include/asm/paravirt.h:94 [inline]
 default_idle+0xbf/0x490 arch/x86/kernel/process.c:498
 arch_cpu_idle+0x10/0x20 arch/x86/kernel/process.c:489
 default_idle_call+0x6d/0x90 kernel/sched/idle.c:93
 cpuidle_idle_call kernel/sched/idle.c:153 [inline]
 do_idle+0x3db/0x5b0 kernel/sched/idle.c:262
 cpu_startup_entry+0x10c/0x120 kernel/sched/idle.c:368
 start_secondary+0x447/0x5f0 arch/x86/kernel/smpboot.c:271
 secondary_startup_64+0xa4/0xb0 arch/x86/kernel/head_64.S:243