INFO: task syz.1.6091:25836 blocked for more than 143 seconds.
      Not tainted syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz.1.6091      state:D stack:26264 pid:25836 tgid:25834 ppid:25618  task_flags:0x400040 flags:0x00080002
Call Trace:
 <TASK>
 __schedule+0x17d9/0x56c0
 schedule+0x164/0x360
 schedule_preempt_disabled+0x13/0x30
 rwsem_down_write_slowpath+0x87d/0x1080
 down_write+0x1bc/0x200
 process_measurement+0x443/0x1c10
 ima_file_check+0xe1/0x130
 security_file_post_open+0xb3/0x260
 path_openat+0x2e90/0x3830
 do_file_open+0x23e/0x4a0
 do_sys_openat2+0x115/0x200
 __x64_sys_openat+0x138/0x170
 do_syscall_64+0x174/0x580
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f87f3d9ce59
RSP: 002b:00007f87f4b85028 EFLAGS: 00000246 ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 00007f87f4016090 RCX: 00007f87f3d9ce59
RDX: 0000000000101042 RSI: 0000200000000040 RDI: ffffffffffffff9c
RBP: 00007f87f3e32e6f R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f87f4016128 R14: 00007f87f4016090 R15: 00007ffdf76d7128
 </TASK>
INFO: task syz.1.6091:25842 blocked for more than 144 seconds.
      Not tainted syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz.1.6091      state:D stack:28760 pid:25842 tgid:25834 ppid:25618  task_flags:0x400140 flags:0x00080002
Call Trace:
 <TASK>
 __schedule+0x17d9/0x56c0
 schedule+0x164/0x360
 schedule_preempt_disabled+0x13/0x30
 rwsem_down_write_slowpath+0x87d/0x1080
 down_write+0x1bc/0x200
 vfs_fileattr_set+0x160/0xc90
 ioctl_setflags+0x305/0x370
 do_vfs_ioctl+0x9f2/0x1530
 __se_sys_ioctl+0x82/0x170
 do_syscall_64+0x174/0x580
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f87f3d9ce59
RSP: 002b:00007f87f1ff6028 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007f87f4016180 RCX: 00007f87f3d9ce59
RDX: 0000200000003780 RSI: 0000000040086602 RDI: 0000000000000005
RBP: 00007f87f3e32e6f R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f87f4016218 R14: 00007f87f4016180 R15: 00007ffdf76d7128
 </TASK>
INFO: task syz.1.6091:25844 blocked for more than 144 seconds.
      Not tainted syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz.1.6091      state:D stack:28120 pid:25844 tgid:25834 ppid:25618  task_flags:0x400040 flags:0x00080002
Call Trace:
 <TASK>
 __schedule+0x17d9/0x56c0
 schedule+0x164/0x360
 schedule_preempt_disabled+0x13/0x30
 rwsem_down_write_slowpath+0x87d/0x1080
 down_write+0x1bc/0x200
 process_measurement+0x443/0x1c10
 ima_file_check+0xe1/0x130
 security_file_post_open+0xb3/0x260
 path_openat+0x2e90/0x3830
 do_file_open+0x23e/0x4a0
 do_sys_openat2+0x115/0x200
 __x64_sys_openat+0x138/0x170
 do_syscall_64+0x174/0x580
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f87f3d9ce59
RSP: 002b:00007f87f1bd3028 EFLAGS: 00000246 ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 00007f87f4016270 RCX: 00007f87f3d9ce59
RDX: 0000000000000042 RSI: 0000200000000040 RDI: ffffffffffffff9c
RBP: 00007f87f3e32e6f R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f87f4016308 R14: 00007f87f4016270 R15: 00007ffdf76d7128
 </TASK>
INFO: lockdep is turned off.
NMI backtrace for cpu 0
CPU: 0 UID: 0 PID: 35 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+0xe8/0x150
 nmi_cpu_backtrace+0x274/0x2d0
 nmi_trigger_cpumask_backtrace+0x17a/0x380
 sys_info+0x135/0x170
 watchdog+0xfd7/0x1030
 kthread+0x388/0x470
 ret_from_fork+0x514/0xb70
 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: 20800 Comm: syz.5.5365 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:__kernel_text_address+0x29/0x30
Code: 90 0f 1f 40 d6 53 48 89 fb e8 33 00 00 00 48 81 fb 00 a0 9f 91 0f 93 c1 48 81 fb d0 de b7 91 0f 92 c2 20 ca 08 c2 0f b6 c2 5b <e9> c2 f3 25 0a cc 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90
RSP: 0018:ffffc9000753f380 EFLAGS: 00000202
RAX: 0000000000000001 RBX: ffffc9000753f3f0 RCX: 0000000080000000
RDX: ffffc9000753f301 RSI: ffffffff8c2a8c60 RDI: ffffffff83506d57
RBP: ffffc9000753f430 R08: ffffc9000753f7b0 R09: 0000000000000000
R10: ffffc9000753f3f8 R11: fffff52000ea7e81 R12: ffff8881bdcd1dc0
R13: 0000000000000000 R14: dffffc0000000000 R15: 1ffff92000ea7e7e
FS:  00007f23c02116c0(0000) GS:ffff8882a922d000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f08efde8158 CR3: 00000001b1eee000 CR4: 00000000000006f0
Call Trace:
 <TASK>
 unwind_get_return_address+0x4d/0x90
 arch_stack_walk+0xfb/0x150
 stack_trace_save+0xa9/0x100
 kasan_save_track+0x3e/0x80
 kasan_save_free_info+0x40/0x50
 __kasan_slab_free+0x5c/0x80
 kfree+0x1c5/0x640
 fuse_perform_write+0xea7/0x1d90
 fuse_file_write_iter+0xd74/0x11a0
 vfs_write+0x612/0xba0
 ksys_write+0x150/0x270
 do_syscall_64+0x174/0x580
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f23bf39ce59
Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f23c0211028 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007f23bf615fa0 RCX: 00007f23bf39ce59
RDX: 0000000000000028 RSI: 0000200000000200 RDI: 0000000000000007
RBP: 00007f23bf432e6f R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f23bf616038 R14: 00007f23bf615fa0 R15: 00007ffc8e8e4178
 </TASK>
