INFO: task hung in fuse_simple

INFO: task hung in fuse_simple_request
Status: upstream: reported C repro on 2020/12/13 21:13
Reported-by: syzbot+46fe899420456e014d6b@syzkaller.appspotmail.com
First crash: 389d, last: 14d

Cause bisection: the issue happens on the oldest tested release (bisect log)
Crash: general protection fault in process_init_reply (log)
Repro: C syz .config

similar bugs (1):
Kernel	Title	Repro	Cause bisect	Fix bisect	Count	Last	Reported	Patched	Status
upstream	INFO: task can't die in request_wait_answer	C	error		10	101d	360d	0/22	upstream: reported C repro on 2020/09/23 12:48

Sample crash report:

INFO: task syz-executor874:8578 blocked for more than 143 seconds.
      Not tainted 5.14.0-rc1-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor874 state:D stack:26768 pid: 8578 ppid:  8450 flags:0x00004004
Call Trace:
 context_switch kernel/sched/core.c:4683 [inline]
 __schedule+0xc07/0x11f0 kernel/sched/core.c:5940
 schedule+0x14b/0x210 kernel/sched/core.c:6019
 request_wait_answer fs/fuse/dev.c:411 [inline]
 __fuse_request_send fs/fuse/dev.c:430 [inline]
 fuse_simple_request+0x1125/0x19f0 fs/fuse/dev.c:515
 fuse_do_getattr+0x396/0x1210 fs/fuse/dir.c:1009
 vfs_getattr fs/stat.c:142 [inline]
 vfs_statx+0x1ba/0x3d0 fs/stat.c:207
 vfs_fstatat fs/stat.c:225 [inline]
 __do_sys_newfstatat fs/stat.c:394 [inline]
 __se_sys_newfstatat+0xb4/0x780 fs/stat.c:388
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x3d/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x44/0xae
RIP: 0033:0x446039
RSP: 002b:00007fbb526242f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000106
RAX: ffffffffffffffda RBX: 00000000004cb4e0 RCX: 0000000000446039
RDX: 0000000000000000 RSI: 00000000200000c0 RDI: ffffffffffffff9c
RBP: 000000000049b16c R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0030656c69662f2e
R13: 64695f70756f7267 R14: 65646f6d746f6f72 R15: 00000000004cb4e8
INFO: task syz-executor874:8582 blocked for more than 143 seconds.
      Not tainted 5.14.0-rc1-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor874 state:D stack:25368 pid: 8582 ppid:  8451 flags:0x00004004
Call Trace:
 context_switch kernel/sched/core.c:4683 [inline]
 __schedule+0xc07/0x11f0 kernel/sched/core.c:5940
 schedule+0x14b/0x210 kernel/sched/core.c:6019
 request_wait_answer fs/fuse/dev.c:411 [inline]
 __fuse_request_send fs/fuse/dev.c:430 [inline]
 fuse_simple_request+0x1125/0x19f0 fs/fuse/dev.c:515
 fuse_do_getattr+0x396/0x1210 fs/fuse/dir.c:1009
 vfs_getattr fs/stat.c:142 [inline]
 vfs_statx+0x1ba/0x3d0 fs/stat.c:207
 vfs_fstatat fs/stat.c:225 [inline]
 __do_sys_newfstatat fs/stat.c:394 [inline]
 __se_sys_newfstatat+0xb4/0x780 fs/stat.c:388
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x3d/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x44/0xae
RIP: 0033:0x446039
RSP: 002b:00007fbb526242f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000106
RAX: ffffffffffffffda RBX: 00000000004cb4e0 RCX: 0000000000446039
RDX: 0000000000000000 RSI: 00000000200000c0 RDI: ffffffffffffff9c
RBP: 000000000049b16c R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0030656c69662f2e
R13: 64695f70756f7267 R14: 65646f6d746f6f72 R15: 00000000004cb4e8
INFO: task syz-executor874:8597 blocked for more than 143 seconds.
      Not tainted 5.14.0-rc1-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor874 state:D stack:24784 pid: 8597 ppid:  8448 flags:0x00004004
Call Trace:
 context_switch kernel/sched/core.c:4683 [inline]
 __schedule+0xc07/0x11f0 kernel/sched/core.c:5940
 schedule+0x14b/0x210 kernel/sched/core.c:6019
 request_wait_answer fs/fuse/dev.c:411 [inline]
 __fuse_request_send fs/fuse/dev.c:430 [inline]
 fuse_simple_request+0x1125/0x19f0 fs/fuse/dev.c:515
 fuse_do_getattr+0x396/0x1210 fs/fuse/dir.c:1009
 vfs_getattr fs/stat.c:142 [inline]
 vfs_statx+0x1ba/0x3d0 fs/stat.c:207
 vfs_fstatat fs/stat.c:225 [inline]
 __do_sys_newfstatat fs/stat.c:394 [inline]
 __se_sys_newfstatat+0xb4/0x780 fs/stat.c:388
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x3d/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x44/0xae
RIP: 0033:0x446039
RSP: 002b:00007fbb526242f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000106
RAX: ffffffffffffffda RBX: 00000000004cb4e0 RCX: 0000000000446039
RDX: 0000000000000000 RSI: 00000000200000c0 RDI: ffffffffffffff9c
RBP: 000000000049b16c R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0030656c69662f2e
R13: 64695f70756f7267 R14: 65646f6d746f6f72 R15: 00000000004cb4e8
INFO: task syz-executor874:8601 blocked for more than 144 seconds.
      Not tainted 5.14.0-rc1-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor874 state:D stack:24784 pid: 8601 ppid:  8452 flags:0x00004004
Call Trace:
 context_switch kernel/sched/core.c:4683 [inline]
 __schedule+0xc07/0x11f0 kernel/sched/core.c:5940
 schedule+0x14b/0x210 kernel/sched/core.c:6019
 request_wait_answer fs/fuse/dev.c:411 [inline]
 __fuse_request_send fs/fuse/dev.c:430 [inline]
 fuse_simple_request+0x1125/0x19f0 fs/fuse/dev.c:515
 fuse_do_getattr+0x396/0x1210 fs/fuse/dir.c:1009
 vfs_getattr fs/stat.c:142 [inline]
 vfs_statx+0x1ba/0x3d0 fs/stat.c:207
 vfs_fstatat fs/stat.c:225 [inline]
 __do_sys_newfstatat fs/stat.c:394 [inline]
 __se_sys_newfstatat+0xb4/0x780 fs/stat.c:388
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x3d/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x44/0xae
RIP: 0033:0x446039
RSP: 002b:00007fbb526242f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000106
RAX: ffffffffffffffda RBX: 00000000004cb4e0 RCX: 0000000000446039
RDX: 0000000000000000 RSI: 00000000200000c0 RDI: ffffffffffffff9c
RBP: 000000000049b16c R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0030656c69662f2e
R13: 64695f70756f7267 R14: 65646f6d746f6f72 R15: 00000000004cb4e8
INFO: task syz-executor874:8617 blocked for more than 144 seconds.
      Not tainted 5.14.0-rc1-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor874 state:D stack:26768 pid: 8617 ppid:  8451 flags:0x00004004
Call Trace:
 context_switch kernel/sched/core.c:4683 [inline]
 __schedule+0xc07/0x11f0 kernel/sched/core.c:5940
 schedule+0x14b/0x210 kernel/sched/core.c:6019
 request_wait_answer fs/fuse/dev.c:411 [inline]
 __fuse_request_send fs/fuse/dev.c:430 [inline]
 fuse_simple_request+0x1125/0x19f0 fs/fuse/dev.c:515
 fuse_do_getattr+0x396/0x1210 fs/fuse/dir.c:1009
 vfs_getattr fs/stat.c:142 [inline]
 vfs_statx+0x1ba/0x3d0 fs/stat.c:207
 vfs_fstatat fs/stat.c:225 [inline]
 __do_sys_newfstatat fs/stat.c:394 [inline]
 __se_sys_newfstatat+0xb4/0x780 fs/stat.c:388
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x3d/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x44/0xae
RIP: 0033:0x446039
RSP: 002b:00007fbb526242f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000106
RAX: ffffffffffffffda RBX: 00000000004cb4e0 RCX: 0000000000446039
RDX: 0000000000000000 RSI: 00000000200000c0 RDI: ffffffffffffff9c
RBP: 000000000049b16c R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0030656c69662f2e
R13: 64695f70756f7267 R14: 65646f6d746f6f72 R15: 00000000004cb4e8
INFO: task syz-executor874:8626 blocked for more than 144 seconds.
      Not tainted 5.14.0-rc1-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor874 state:D stack:24784 pid: 8626 ppid:  8450 flags:0x00004004
Call Trace:
 context_switch kernel/sched/core.c:4683 [inline]
 __schedule+0xc07/0x11f0 kernel/sched/core.c:5940
 schedule+0x14b/0x210 kernel/sched/core.c:6019
 request_wait_answer fs/fuse/dev.c:411 [inline]
 __fuse_request_send fs/fuse/dev.c:430 [inline]
 fuse_simple_request+0x1125/0x19f0 fs/fuse/dev.c:515
 fuse_do_getattr+0x396/0x1210 fs/fuse/dir.c:1009
 vfs_getattr fs/stat.c:142 [inline]
 vfs_statx+0x1ba/0x3d0 fs/stat.c:207
 vfs_fstatat fs/stat.c:225 [inline]
 __do_sys_newfstatat fs/stat.c:394 [inline]
 __se_sys_newfstatat+0xb4/0x780 fs/stat.c:388
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x3d/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x44/0xae
RIP: 0033:0x446039
RSP: 002b:00007fbb526242f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000106
RAX: ffffffffffffffda RBX: 00000000004cb4e0 RCX: 0000000000446039
RDX: 0000000000000000 RSI: 00000000200000c0 RDI: ffffffffffffff9c
RBP: 000000000049b16c R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0030656c69662f2e
R13: 64695f70756f7267 R14: 65646f6d746f6f72 R15: 00000000004cb4e8
INFO: task syz-executor874:8630 blocked for more than 145 seconds.
      Not tainted 5.14.0-rc1-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor874 state:D stack:24784 pid: 8630 ppid:  8452 flags:0x00004004
Call Trace:
 context_switch kernel/sched/core.c:4683 [inline]
 __schedule+0xc07/0x11f0 kernel/sched/core.c:5940
 schedule+0x14b/0x210 kernel/sched/core.c:6019
 request_wait_answer fs/fuse/dev.c:411 [inline]
 __fuse_request_send fs/fuse/dev.c:430 [inline]
 fuse_simple_request+0x1125/0x19f0 fs/fuse/dev.c:515
 fuse_do_getattr+0x396/0x1210 fs/fuse/dir.c:1009
 vfs_getattr fs/stat.c:142 [inline]
 vfs_statx+0x1ba/0x3d0 fs/stat.c:207
 vfs_fstatat fs/stat.c:225 [inline]
 __do_sys_newfstatat fs/stat.c:394 [inline]
 __se_sys_newfstatat+0xb4/0x780 fs/stat.c:388
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x3d/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x44/0xae
RIP: 0033:0x446039
RSP: 002b:00007fbb526242f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000106
RAX: ffffffffffffffda RBX: 00000000004cb4e0 RCX: 0000000000446039
RDX: 0000000000000000 RSI: 00000000200000c0 RDI: ffffffffffffff9c
RBP: 000000000049b16c R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0030656c69662f2e
R13: 64695f70756f7267 R14: 65646f6d746f6f72 R15: 00000000004cb4e8
INFO: task syz-executor874:8634 blocked for more than 145 seconds.
      Not tainted 5.14.0-rc1-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor874 state:D stack:26640 pid: 8634 ppid:  8448 flags:0x00004004
Call Trace:
 context_switch kernel/sched/core.c:4683 [inline]
 __schedule+0xc07/0x11f0 kernel/sched/core.c:5940
 schedule+0x14b/0x210 kernel/sched/core.c:6019
 request_wait_answer fs/fuse/dev.c:411 [inline]
 __fuse_request_send fs/fuse/dev.c:430 [inline]
 fuse_simple_request+0x1125/0x19f0 fs/fuse/dev.c:515
 fuse_do_getattr+0x396/0x1210 fs/fuse/dir.c:1009
 vfs_getattr fs/stat.c:142 [inline]
 vfs_statx+0x1ba/0x3d0 fs/stat.c:207
 vfs_fstatat fs/stat.c:225 [inline]
 __do_sys_newfstatat fs/stat.c:394 [inline]
 __se_sys_newfstatat+0xb4/0x780 fs/stat.c:388
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x3d/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x44/0xae
RIP: 0033:0x446039
RSP: 002b:00007fbb526242f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000106
RAX: ffffffffffffffda RBX: 00000000004cb4e0 RCX: 0000000000446039
RDX: 0000000000000000 RSI: 00000000200000c0 RDI: ffffffffffffff9c
RBP: 000000000049b16c R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0030656c69662f2e
R13: 64695f70756f7267 R14: 65646f6d746f6f72 R15: 00000000004cb4e8
INFO: task syz-executor874:8657 blocked for more than 145 seconds.
      Not tainted 5.14.0-rc1-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor874 state:D stack:26768 pid: 8657 ppid:  8450 flags:0x00004004
Call Trace:
 context_switch kernel/sched/core.c:4683 [inline]
 __schedule+0xc07/0x11f0 kernel/sched/core.c:5940
 schedule+0x14b/0x210 kernel/sched/core.c:6019
 request_wait_answer fs/fuse/dev.c:411 [inline]
 __fuse_request_send fs/fuse/dev.c:430 [inline]
 fuse_simple_request+0x1125/0x19f0 fs/fuse/dev.c:515
 fuse_do_getattr+0x396/0x1210 fs/fuse/dir.c:1009
 vfs_getattr fs/stat.c:142 [inline]
 vfs_statx+0x1ba/0x3d0 fs/stat.c:207
 vfs_fstatat fs/stat.c:225 [inline]
 __do_sys_newfstatat fs/stat.c:394 [inline]
 __se_sys_newfstatat+0xb4/0x780 fs/stat.c:388
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x3d/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x44/0xae
RIP: 0033:0x446039
RSP: 002b:00007fbb526242f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000106
RAX: ffffffffffffffda RBX: 00000000004cb4e0 RCX: 0000000000446039
RDX: 0000000000000000 RSI: 00000000200000c0 RDI: ffffffffffffff9c
RBP: 000000000049b16c R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0030656c69662f2e
R13: 64695f70756f7267 R14: 65646f6d746f6f72 R15: 00000000004cb4e8
INFO: task syz-executor874:8665 blocked for more than 145 seconds.
      Not tainted 5.14.0-rc1-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor874 state:D stack:26768 pid: 8665 ppid:  8452 flags:0x00004004
Call Trace:
 context_switch kernel/sched/core.c:4683 [inline]
 __schedule+0xc07/0x11f0 kernel/sched/core.c:5940
 schedule+0x14b/0x210 kernel/sched/core.c:6019
 request_wait_answer fs/fuse/dev.c:411 [inline]
 __fuse_request_send fs/fuse/dev.c:430 [inline]
 fuse_simple_request+0x1125/0x19f0 fs/fuse/dev.c:515
 fuse_do_getattr+0x396/0x1210 fs/fuse/dir.c:1009
 vfs_getattr fs/stat.c:142 [inline]
 vfs_statx+0x1ba/0x3d0 fs/stat.c:207
 vfs_fstatat fs/stat.c:225 [inline]
 __do_sys_newfstatat fs/stat.c:394 [inline]
 __se_sys_newfstatat+0xb4/0x780 fs/stat.c:388
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x3d/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x44/0xae
RIP: 0033:0x446039
RSP: 002b:00007fbb526242f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000106
RAX: ffffffffffffffda RBX: 00000000004cb4e0 RCX: 0000000000446039
RDX: 0000000000000000 RSI: 00000000200000c0 RDI: ffffffffffffff9c
RBP: 000000000049b16c R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0030656c69662f2e
R13: 64695f70756f7267 R14: 65646f6d746f6f72 R15: 00000000004cb4e8

Showing all locks held in the system:
1 lock held by ksoftirqd/0/13:
 #0: ffff8880b9c514d8 (&rq->__lock){-.-.}-{2:2}, at: raw_spin_rq_lock_nested+0x1b/0x30 kernel/sched/core.c:460
1 lock held by khungtaskd/1644:
 #0: ffffffff8c7177c0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x0/0x30 arch/x86/pci/mmconfig_64.c:151
1 lock held by in:imklog/8138:
 #0: ffff888019edb270 (&f->f_pos_lock){+.+.}-{3:3}, at: __fdget_pos+0x24e/0x2f0 fs/file.c:974
no locks held by syz-executor874/16040.

=============================================

NMI backtrace for cpu 1
CPU: 1 PID: 1644 Comm: khungtaskd Not tainted 5.14.0-rc1-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
 __dump_stack lib/dump_stack.c:88 [inline]
 dump_stack_lvl+0x1d3/0x29f lib/dump_stack.c:105
 nmi_cpu_backtrace+0x16c/0x190 lib/nmi_backtrace.c:105
 nmi_trigger_cpumask_backtrace+0x191/0x2f0 lib/nmi_backtrace.c:62
 trigger_all_cpu_backtrace include/linux/nmi.h:146 [inline]
 check_hung_uninterruptible_tasks kernel/hung_task.c:210 [inline]
 watchdog+0xd06/0xd50 kernel/hung_task.c:295
 kthread+0x453/0x480 kernel/kthread.c:319
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 PID: 8453 Comm: syz-executor874 Not tainted 5.14.0-rc1-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:put_pid+0x0/0x130 kernel/pid.c:106
Code: 1f 84 00 00 00 00 00 0f 1f 00 be af 00 00 00 48 c7 c7 40 99 5c 8c e8 ff d4 74 00 c3 cc cc cc cc cc cc cc cc cc cc cc cc cc cc <55> 41 57 41 56 41 54 53 49 89 ff e8 c0 a3 2b 00 4d 85 ff 0f 84 aa
RSP: 0018:ffffc9000198fc78 EFLAGS: 00000286
RAX: 0000000000000000 RBX: dffffc0000000000 RCX: 0000000000000001
RDX: dffffc0000000000 RSI: 0000000000000001 RDI: 0000000000000000
RBP: ffffc9000198fd90 R08: ffffffff81869020 R09: ffffed1002bf8685
R10: ffffed1002bf8685 R11: 0000000000000000 R12: 0000000000000000
R13: 1ffff92000331f94 R14: 1ffff92000331f9b R15: 0000000000000000
FS:  00000000020ba300(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fbb52603718 CR3: 00000000366ee000 CR4: 00000000001506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 kernel_wait4+0x27f/0x380 kernel/exit.c:1678
 __do_sys_wait4 kernel/exit.c:1705 [inline]
 __se_sys_wait4 kernel/exit.c:1701 [inline]
 __x64_sys_wait4+0x117/0x1c0 kernel/exit.c:1701
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x3d/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x44/0xae
RIP: 0033:0x444826
Code: 0f 1f 40 00 31 c9 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 49 89 ca 64 8b 04 25 18 00 00 00 85 c0 75 11 b8 3d 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 5a c3 90 48 83 ec 28 89 54 24 14 48 89 74 24
RSP: 002b:00007fff50fbe958 EFLAGS: 00000246 ORIG_RAX: 000000000000003d
RAX: ffffffffffffffda RBX: 00007fff50fbea10 RCX: 0000000000444826
RDX: 0000000040000001 RSI: 00007fff50fbe98c RDI: 00000000ffffffff
RBP: 00007fff50fbe98c R08: 00007fff50fec080 R09: 0000000000000010
R10: 0000000000000000 R11: 0000000000000246 R12: 00000000000f4240
R13: 0000000000001eee R14: 00007fff50fbe9e0 R15: 00007fff50fbe9d0

Crashes (49):
Manager	Time	Kernel	Commit	Syzkaller	Config	Log	Report	Syz repro	C repro	VM info	Title
ci-upstream-kasan-gce-smack-root	2021/07/17 02:27	upstream	d936eb238744	f115ae98	.config	log	report	syz	C		INFO: task hung in fuse_simple_request
ci-upstream-kasan-gce-selinux-root	2021/09/04 04:35	upstream	7cca308cfdc0	d236a457	.config	log	report			info	INFO: task hung in fuse_simple_request
ci-upstream-kasan-gce-selinux-root	2021/08/08 14:07	upstream	85a90500f9a1	6972b106	.config	log	report			info	INFO: task hung in fuse_simple_request
ci-upstream-kasan-gce-smack-root	2021/07/25 04:32	upstream	6498f6151825	4d1b57d4	.config	log	report			info	INFO: task hung in fuse_simple_request
ci-upstream-kasan-gce-root	2021/06/09 13:51	upstream	368094df48e6	84fe5d96	.config	log	report			info	INFO: task hung in fuse_simple_request
ci-upstream-kasan-gce-smack-root	2021/06/07 09:42	upstream	decad3e1d1ed	500c2339	.config	log	report			info	INFO: task hung in fuse_simple_request
ci-upstream-kasan-gce-root	2021/06/04 23:22	upstream	16f0596fc1d7	966a236b	.config	log	report			info	INFO: task hung in fuse_simple_request
ci-upstream-kasan-gce-smack-root	2021/04/26 22:04	upstream	9f4ad9e425a1	805b5003	.config	log	report			info	INFO: task hung in fuse_simple_request
ci-upstream-kasan-gce-root	2021/04/22 01:09	upstream	16fc44d6387e	2bc8999a	.config	log	report			info	INFO: task hung in fuse_simple_request
ci-upstream-kasan-gce	2021/04/20 19:13	upstream	7af08140979a	c0ced557	.config	log	report			info	INFO: task hung in fuse_simple_request
ci-upstream-kasan-gce-root	2021/04/08 02:30	upstream	3a22981230f9	6a81331a	.config	log	report			info	INFO: task hung in fuse_simple_request
ci-upstream-kasan-gce	2021/02/26 09:00	upstream	2c87f7a38f93	76f7fc95	.config	log	report			info	INFO: task hung in fuse_simple_request
ci-upstream-kasan-gce-root	2021/02/02 05:34	upstream	88bb507a74ea	e6b95f32	.config	log	report			info	INFO: task hung in fuse_simple_request
ci-upstream-kasan-gce-root	2021/01/30 23:40	upstream	8c947645151c	fc9fd31e	.config	log	report			info	INFO: task hung in fuse_simple_request
ci-upstream-kasan-gce-root	2021/01/27 08:35	upstream	2ab38c17aac1	55a7d4df	.config	log	report			info	INFO: task hung in fuse_simple_request
ci-upstream-kasan-gce-root	2021/01/23 23:00	upstream	e1ae4b0be158	52e37319	.config	log	report			info	INFO: task hung in fuse_simple_request
ci-upstream-kasan-gce-root	2021/01/23 08:34	upstream	fe75a21824e7	52e37319	.config	log	report			info	INFO: task hung in fuse_simple_request
ci-upstream-kasan-gce	2020/12/13 05:19	upstream	7b1b868e1d91	bca53db9	.config	log	report			info
ci-upstream-kasan-gce-root	2020/12/11 06:20	upstream	33dc9614dc20	f900b48c	.config	log	report			info
ci-upstream-kasan-gce-root	2020/12/09 20:53	upstream	a68a0262abda	c090b4da	.config	log	report			info
ci-upstream-kasan-gce-root	2020/12/04 19:35	upstream	e87297fa080a	20366b87	.config	log	report			info
ci-upstream-kasan-gce-root	2020/12/03 11:10	upstream	34816d20f173	e6b0d314	.config	log	report			info
ci-upstream-kasan-gce-root	2020/12/01 03:12	upstream	b65054597872	b3a34598	.config	log	report			info
ci-upstream-kasan-gce-root	2020/11/28 09:41	upstream	c84e1efae022	486f93ef	.config	log	report			info
ci-upstream-kasan-gce	2020/11/26 13:15	upstream	fa02fcd94b0c	1d2b823e	.config	log	report			info
ci-upstream-kasan-gce-root	2020/11/13 16:22	upstream	585e5b17b92d	e1140d25	.config	log	report			info
ci-upstream-kasan-gce	2020/11/03 18:38	upstream	b7cbaf59f62f	cba33199	.config	log	report			info
ci-upstream-kasan-gce-root	2020/10/23 19:47	upstream	0adc313c4f20	2bb6666c	.config	log	report			info
ci-upstream-kasan-gce-root	2020/10/17 04:31	upstream	071a0578b0ce	6e262c73	.config	log	report			info
ci-upstream-kasan-gce-selinux-root	2020/10/08 08:17	upstream	c85fb28b6f99	1880b4a9	.config	log	report			info
ci-upstream-kasan-gce-selinux-root	2020/10/06 11:56	upstream	7575fdda569b	1880b4a9	.config	log	report			info
ci-upstream-kasan-gce-selinux-root	2020/10/04 16:20	upstream	22fbc037cd32	5ef9c291	.config	log	report			info
ci-upstream-kasan-gce	2020/10/04 11:33	upstream	22fbc037cd32	5ef9c291	.config	log	report			info
ci-upstream-kasan-gce-selinux-root	2020/10/03 10:14	upstream	d3d45f8220d6	2653fa43	.config	log	report			info
ci-upstream-kasan-gce	2020/09/30 14:45	upstream	02de58b24d2e	8516f6d3	.config	log	report			info
ci-upstream-kasan-gce	2020/09/28 05:48	upstream	16bc1d5432eb	5dd8aee8	.config	log	report			info
ci-upstream-kasan-gce	2020/09/25 20:10	upstream	171d4ff79f96	4a006f63	.config	log	report			info
ci-upstream-kasan-gce-selinux-root	2020/09/25 04:47	upstream	171d4ff79f96	54289b08	.config	log	report			info
ci-upstream-kasan-gce-root	2020/09/24 04:39	upstream	c9c9e6a49f89	54289b08	.config	log	report			info
ci-upstream-kasan-gce-selinux-root	2020/09/10 22:22	upstream	7fe10096c150	409809d8	.config	log	report
ci-upstream-kasan-gce-selinux-root	2020/09/01 22:58	upstream	b765a32a2e91	abf9ba4f	.config	log	report
ci-upstream-kasan-gce-selinux-root	2020/08/31 17:17	upstream	f75aef392f86	d5a3ae1f	.config	log	report
ci-upstream-kasan-gce-root	2020/08/31 02:40	upstream	dcc5c6f013d8	d5a3ae1f	.config	log	report
ci-upstream-kasan-gce	2020/08/28 23:31	upstream	96d454cd2c16	d5a3ae1f	.config	log	report
ci-upstream-kasan-gce-selinux-root	2020/08/28 19:03	upstream	15bc20c6af4c	d5a3ae1f	.config	log	report
ci-upstream-kasan-gce	2020/08/25 21:24	upstream	abb3438d69fb	344da168	.config	log	report
ci-upstream-kasan-gce	2020/08/25 14:33	upstream	6a9dc5fd6170	344da168	.config	log	report
ci-upstream-kasan-gce-386	2020/11/16 11:23	upstream	09162bc32c88	1bf9a662	.config	log	report			info
ci-upstream-kasan-gce-386	2020/10/07 09:20	upstream	c85fb28b6f99	1880b4a9	.config	log	report			info