INFO: task syz-executor0:29029 blocked for more than 140 seconds.
      Not tainted 4.19.0-rc7+ #277
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
syz-executor0   D25568 29029   5841 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
 request_wait_answer+0x4a6/0x900 fs/fuse/dev.c:474
 __fuse_request_send+0x12a/0x1d0 fs/fuse/dev.c:494
 fuse_request_send+0x62/0xa0 fs/fuse/dev.c:507
 fuse_simple_request+0x33d/0x730 fs/fuse/dev.c:565
 fuse_getxattr+0x42f/0x760 fs/fuse/xattr.c:80
 fuse_get_acl+0x1be/0x360 fs/fuse/acl.c:35
 get_acl+0x16b/0x2a0 fs/posix_acl.c:140
 posix_acl_xattr_get+0xff/0x1d0 fs/posix_acl.c:844
 __vfs_getxattr+0xee/0x150 fs/xattr.c:310
 vfs_getxattr+0x275/0x390 fs/xattr.c:341
 getxattr+0x139/0x2c0 fs/xattr.c:537
 path_getxattr+0x103/0x1b0 fs/xattr.c:565
 __do_sys_getxattr fs/xattr.c:577 [inline]
 __se_sys_getxattr fs/xattr.c:574 [inline]
 __x64_sys_getxattr+0x9d/0x100 fs/xattr.c:574
 do_syscall_64+0x1b9/0x820 arch/x86/entry/common.c:290
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x457519
Code: 87 0a 8b 0d dd 60 09 01 83 f9 01 0f 85 1c 01 00 00 b9 01 00 00 00 88 0d 19 66 09 01 84 c9 0f 84 fd 00 00 00 b9 01 00 00 00 88 <0d> 02 66 09 01 48 8b 05 9b 71 07 01 48 89 04 24 e8 42 2c fc ff 8b
RSP: 002b:00007f5b2e3f3c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000bf
RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 0000000000457519
RDX: 0000000020000540 RSI: 0000000020000680 RDI: 00000000200000c0
RBP: 000000000072bf00 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000044 R11: 0000000000000246 R12: 00007f5b2e3f46d4
R13: 00000000004bdd30 R14: 00000000004ce218 R15: 00000000ffffffff
INFO: task syz-executor0:29049 blocked for more than 140 seconds.
      Not tainted 4.19.0-rc7+ #277
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
syz-executor0   D25400 29049   5841 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
 request_wait_answer+0x4a6/0x900 fs/fuse/dev.c:474
 __fuse_request_send+0x12a/0x1d0 fs/fuse/dev.c:494
 fuse_request_send+0x62/0xa0 fs/fuse/dev.c:507
 fuse_simple_request+0x33d/0x730 fs/fuse/dev.c:565
 fuse_getxattr+0x42f/0x760 fs/fuse/xattr.c:80
 fuse_get_acl+0x1be/0x360 fs/fuse/acl.c:35
 get_acl+0x16b/0x2a0 fs/posix_acl.c:140
 posix_acl_xattr_get+0xff/0x1d0 fs/posix_acl.c:844
 __vfs_getxattr+0xee/0x150 fs/xattr.c:310
 vfs_getxattr+0x275/0x390 fs/xattr.c:341
 getxattr+0x139/0x2c0 fs/xattr.c:537
 path_getxattr+0x103/0x1b0 fs/xattr.c:565
 __do_sys_getxattr fs/xattr.c:577 [inline]
 __se_sys_getxattr fs/xattr.c:574 [inline]
 __x64_sys_getxattr+0x9d/0x100 fs/xattr.c:574
 do_syscall_64+0x1b9/0x820 arch/x86/entry/common.c:290
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x457519
Code: 87 0a 8b 0d dd 60 09 01 83 f9 01 0f 85 1c 01 00 00 b9 01 00 00 00 88 0d 19 66 09 01 84 c9 0f 84 fd 00 00 00 b9 01 00 00 00 88 <0d> 02 66 09 01 48 8b 05 9b 71 07 01 48 89 04 24 e8 42 2c fc ff 8b
RSP: 002b:00007f5b2e3f3c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000bf
RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 0000000000457519
RDX: 0000000020000540 RSI: 0000000020000680 RDI: 00000000200000c0
RBP: 000000000072bf00 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000044 R11: 0000000000000246 R12: 00007f5b2e3f46d4
R13: 00000000004bdd30 R14: 00000000004ce218 R15: 00000000ffffffff
INFO: task syz-executor0:29067 blocked for more than 140 seconds.
      Not tainted 4.19.0-rc7+ #277
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
syz-executor0   D25400 29067   5841 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
 request_wait_answer+0x4a6/0x900 fs/fuse/dev.c:474
 __fuse_request_send+0x12a/0x1d0 fs/fuse/dev.c:494
 fuse_request_send+0x62/0xa0 fs/fuse/dev.c:507
 fuse_simple_request+0x33d/0x730 fs/fuse/dev.c:565
 fuse_getxattr+0x42f/0x760 fs/fuse/xattr.c:80
 fuse_get_acl+0x1be/0x360 fs/fuse/acl.c:35
 get_acl+0x16b/0x2a0 fs/posix_acl.c:140
 posix_acl_xattr_get+0xff/0x1d0 fs/posix_acl.c:844
 __vfs_getxattr+0xee/0x150 fs/xattr.c:310
 vfs_getxattr+0x275/0x390 fs/xattr.c:341
 getxattr+0x139/0x2c0 fs/xattr.c:537
 path_getxattr+0x103/0x1b0 fs/xattr.c:565
 __do_sys_getxattr fs/xattr.c:577 [inline]
 __se_sys_getxattr fs/xattr.c:574 [inline]
 __x64_sys_getxattr+0x9d/0x100 fs/xattr.c:574
 do_syscall_64+0x1b9/0x820 arch/x86/entry/common.c:290
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x457519
Code: 87 0a 8b 0d dd 60 09 01 83 f9 01 0f 85 1c 01 00 00 b9 01 00 00 00 88 0d 19 66 09 01 84 c9 0f 84 fd 00 00 00 b9 01 00 00 00 88 <0d> 02 66 09 01 48 8b 05 9b 71 07 01 48 89 04 24 e8 42 2c fc ff 8b
RSP: 002b:00007f5b2e3f3c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000bf
RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 0000000000457519
RDX: 0000000020000540 RSI: 0000000020000680 RDI: 00000000200000c0
RBP: 000000000072bf00 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000044 R11: 0000000000000246 R12: 00007f5b2e3f46d4
R13: 00000000004bdd30 R14: 00000000004ce218 R15: 00000000ffffffff
INFO: lockdep is turned off.
NMI backtrace for cpu 0
CPU: 0 PID: 982 Comm: khungtaskd Not tainted 4.19.0-rc7+ #277
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-rc7+ #277
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:check_memory_region+0x14/0x1b0 mm/kasan/kasan.c:266
Code: e0 07 38 c2 40 0f 9e c6 eb c5 66 90 66 2e 0f 1f 84 00 00 00 00 00 48 85 f6 0f 84 3c 01 00 00 48 b8 ff ff ff ff ff 7f ff ff 55 <0f> b6 d2 48 39 c7 48 89 e5 41 55 41 54 53 0f 86 11 01 00 00 4c 8d
RSP: 0018:ffff8801daf07cd0 EFLAGS: 00000002
RAX: ffff7fffffffffff RBX: 000000000002cb40 RCX: ffffffff81569d7d
RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffff8801daf2cbc8
RBP: ffff8801daf07ce0 R08: ffff8801daf2cbc8 R09: ffffed003b5e5afc
R10: ffffed003b5e5afc R11: ffff8801daf2d7e7 R12: 1ffff1003b5e0fa1
R13: ffff8801daf2cb40 R14: ffff8801daf07e68 R15: 0000000000000001
FS:  0000000000000000(0000) GS:ffff8801daf00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000c42d395000 CR3: 00000001c1567000 CR4: 00000000001406e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <IRQ>
 atomic_read include/asm-generic/atomic-instrumented.h:21 [inline]
 got_nohz_idle_kick kernel/sched/core.c:584 [inline]
 scheduler_ipi+0x42d/0xad0 kernel/sched/core.c:1776
 smp_reschedule_interrupt+0x109/0x650 arch/x86/kernel/smp.c:278
 reschedule_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:888
 </IRQ>
RIP: 0010:native_safe_halt+0x6/0x10 arch/x86/include/asm/irqflags.h:57
Code: e9 2c ff ff ff 48 89 c7 48 89 45 d8 e8 63 fb 11 fa 48 8b 45 d8 e9 ca fe ff ff 48 89 df e8 52 fb 11 fa eb 82 55 48 89 e5 fb f4 <5d> c3 0f 1f 84 00 00 00 00 00 55 48 89 e5 f4 5d c3 90 90 90 90 90
RSP: 0018:ffff8801d9aefc30 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff02
RAX: dffffc0000000000 RBX: 1ffff1003b35df8a RCX: ffffffff8184e1ca
RDX: 1ffffffff1263e54 RSI: ffffffff8184e1e4 RDI: ffffffff8931f2a0
RBP: ffff8801d9aefc30 R08: ffff8801d9adc3c0 R09: ffffed003b5e4732
R10: ffffed003b5e4732 R11: ffff8801daf23993 R12: ffff8801d9aefcf0
R13: ffffffff89f3bea0 R14: 0000000000000000 R15: 0000000000000001
 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