Extracting prog: 4m59.595354081s
Minimizing prog: 18m20.79942298s
Simplifying prog options: 0s
Extracting C: 3m2.852832779s
Simplifying C: 26m57.654510784s


extracting reproducer from 1 programs
testing a last program of every proc
single: executing 1 programs separately with timeout 6m0s
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$squashfs-execveat
detailed listing:
executing program 0:
syz_mount_image$squashfs(&(0x7f0000000180), &(0x7f00000001c0)='./file0\x00', 0x800, &(0x7f0000001180)=ANY=[], 0x1, 0x17c, &(0x7f0000000380)="$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")
execveat(0xffffffffffffff9c, &(0x7f0000000280)='./file2\x00', 0x0, 0x0, 0x0)

program crashed: INFO: task hung in evict
single: successfully extracted reproducer
found reproducer with 2 syscalls
minimizing guilty program
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$squashfs
detailed listing:
executing program 0:
syz_mount_image$squashfs(&(0x7f0000000180), &(0x7f00000001c0)='./file0\x00', 0x800, &(0x7f0000001180)=ANY=[], 0x1, 0x17c, &(0x7f0000000380)="$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")

program did not crash
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): execveat
detailed listing:
executing program 0:
execveat(0xffffffffffffff9c, &(0x7f0000000280)='./file2\x00', 0x0, 0x0, 0x0)

program did not crash
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$squashfs-execveat
detailed listing:
executing program 0:
syz_mount_image$squashfs(&(0x7f0000000180), &(0x7f00000001c0)='./file0\x00', 0x800, &(0x7f0000001180)=ANY=[], 0x1, 0x17c, &(0x7f0000000380)="$eJzskr9OAkEQxr+9O/5oFDWxooGC+KdQjkONnZbY29lI4ETiocKRKITijDEUFsbSJ+A1THwBLYwPQE1BrM2ZvZ3bLL6C+yvu2/l2ZnZ2c+d+208B+JkOajhEhIkMPhiDBSDHhDcxhD6TfpI+CcE75R2Rf0+a9Xv9JAC+nceKMC6qnud28gC+I09a/sGdgUnU6ms6qPHFKYAwDEPu1QGejgUlxwTQVnKyFrAaXSKUORYNsA6g2G1dF/1ef6vZqjbchnvpmOU9e8e2d53iWdNzbfFlyhF0FXDdBJBKQ8L3EwAeKJ7HLEwZjfbZHE5kbTJ+www9IExZayi1sTK8yrlSSsUx1sDHugmWFLcQdbEQXakCBpOCkqXMJ85KRxvbtSuvPgQDi8tGsGSP0hgJGThqUN4PsChaDallgbRCOiIdk+b+/DJWwL+PFG0EQBK31W63U+KPJFYsXjnSc5YD9cH4qS/G7OXeDGg0Go1Go9FoNBrNf+c3AAD//8PfdhM=")
execveat(0xffffffffffffff9c, 0x0, 0x0, 0x0, 0x0)

program did not crash
extracting C reproducer
testing compiled C program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$squashfs-execveat
program crashed: INFO: task hung in evict
simplifying C reproducer
testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:6 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$squashfs-execveat
program crashed: INFO: task hung in evict
testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$squashfs-execveat
program crashed: INFO: task hung in evict
testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:true Sysctl:true Swap:false UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$squashfs-execveat
testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:true Sysctl:true Swap:false UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$squashfs-execveat
program crashed: INFO: task hung in evict
testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$squashfs-execveat
program crashed: INFO: task hung in evict
testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:false HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$squashfs-execveat
program crashed: no output from test machine
a never seen crash title: no output from test machine, ignore
testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:true HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$squashfs-execveat
program crashed: INFO: task hung in evict
testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:true HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$squashfs-execveat
program crashed: INFO: task hung in evict
testing program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:true HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$squashfs-execveat
detailed listing:
executing program 0:
syz_mount_image$squashfs(&(0x7f0000000180), &(0x7f00000001c0)='./file0\x00', 0x800, &(0x7f0000001180)=ANY=[], 0x1, 0x17c, &(0x7f0000000380)="$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")
execveat(0xffffffffffffff9c, &(0x7f0000000280)='./file2\x00', 0x0, 0x0, 0x0)

program crashed: INFO: task hung in evict
validation run: crashed=true
testing program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:true HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$squashfs-execveat
detailed listing:
executing program 0:
syz_mount_image$squashfs(&(0x7f0000000180), &(0x7f00000001c0)='./file0\x00', 0x800, &(0x7f0000001180)=ANY=[], 0x1, 0x17c, &(0x7f0000000380)="$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")
execveat(0xffffffffffffff9c, &(0x7f0000000280)='./file2\x00', 0x0, 0x0, 0x0)

program crashed: INFO: task hung in evict
validation run: crashed=true
testing program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:true HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$squashfs-execveat
detailed listing:
executing program 0:
syz_mount_image$squashfs(&(0x7f0000000180), &(0x7f00000001c0)='./file0\x00', 0x800, &(0x7f0000001180)=ANY=[], 0x1, 0x17c, &(0x7f0000000380)="$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")
execveat(0xffffffffffffff9c, &(0x7f0000000280)='./file2\x00', 0x0, 0x0, 0x0)

program crashed: INFO: task hung in evict
validation run: crashed=true
reproducing took 1h2m38.835586905s
repro crashed as (corrupted=false):
INFO: task syz-executor:5439 blocked in I/O wait for more than 143 seconds.
      Not tainted syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor    state:D stack:22768 pid:5439  tgid:5439  ppid:1      task_flags:0x400140 flags:0x00080002
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5504 [inline]
 __schedule+0x17d9/0x56c0 kernel/sched/core.c:7228
 __schedule_loop kernel/sched/core.c:7307 [inline]
 schedule+0x164/0x360 kernel/sched/core.c:7322
 io_schedule+0x7f/0xd0 kernel/sched/core.c:8150
 folio_wait_bit_common+0x836/0xbc0 mm/filemap.c:1324
 __folio_lock mm/filemap.c:1705 [inline]
 folio_lock include/linux/pagemap.h:1159 [inline]
 __filemap_get_folio_mpol+0x140/0x1000 mm/filemap.c:1961
 __filemap_get_folio include/linux/pagemap.h:763 [inline]
 truncate_inode_pages_range+0x46d/0xd80 mm/truncate.c:413
 evict+0x638/0xb50 fs/inode.c:830
 dispose_list fs/inode.c:870 [inline]
 evict_inodes+0x7e3/0x870 fs/inode.c:924
 generic_shutdown_super+0xaa/0x2d0 fs/super.c:633
 kill_block_super+0x44/0x90 fs/super.c:1665
 deactivate_locked_super+0xbc/0x130 fs/super.c:477
 cleanup_mnt+0x3d3/0x460 fs/namespace.c:1317
 task_work_run+0x1d9/0x270 kernel/task_work.c:233
 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline]
 __exit_to_user_mode_loop kernel/entry/common.c:70 [inline]
 exit_to_user_mode_loop+0x1fa/0x730 kernel/entry/common.c:101
 __exit_to_user_mode_prepare include/linux/irq-entry-common.h:207 [inline]
 syscall_exit_to_user_mode_prepare include/linux/irq-entry-common.h:230 [inline]
 syscall_exit_to_user_mode include/linux/entry-common.h:318 [inline]
 do_syscall_64+0x353/0x580 arch/x86/entry/syscall_64.c:100
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f070959e097
RSP: 002b:00007fffdb0519b8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
RAX: 0000000000000000 RBX: 00007f07096322ca RCX: 00007f070959e097
RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007fffdb051a70
RBP: 00007fffdb051a70 R08: 00007fffdb052a70 R09: 00000000ffffffff
R10: 0000000000000000 R11: 0000000000000246 R12: 00007fffdb052b00
R13: 00007f07096322ca R14: 0000000000033b01 R15: 00007fffdb052b40
 </TASK>
INFO: lockdep is turned off.
NMI backtrace for cpu 0
CPU: 0 UID: 0 PID: 26 Comm: khungtaskd Not tainted syzkaller #0 PREEMPT(full) 
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
Call Trace:
 <TASK>
 dump_stack_lvl+0xe8/0x150 lib/dump_stack.c:120
 nmi_cpu_backtrace+0x274/0x2d0 lib/nmi_backtrace.c:122
 nmi_trigger_cpumask_backtrace+0x17a/0x380 lib/nmi_backtrace.c:65
 trigger_all_cpu_backtrace include/linux/nmi.h:162 [inline]
 __sys_info lib/sys_info.c:157 [inline]
 sys_info+0x135/0x170 lib/sys_info.c:165
 check_hung_uninterruptible_tasks kernel/hung_task.c:353 [inline]
 watchdog+0xfd7/0x1030 kernel/hung_task.c:561
 kthread+0x388/0x470 kernel/kthread.c:436
 ret_from_fork+0x514/0xb70 arch/x86/kernel/process.c:158
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
 </TASK>

final repro crashed as (corrupted=false):
INFO: task syz-executor:5439 blocked in I/O wait for more than 143 seconds.
      Not tainted syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor    state:D stack:22768 pid:5439  tgid:5439  ppid:1      task_flags:0x400140 flags:0x00080002
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5504 [inline]
 __schedule+0x17d9/0x56c0 kernel/sched/core.c:7228
 __schedule_loop kernel/sched/core.c:7307 [inline]
 schedule+0x164/0x360 kernel/sched/core.c:7322
 io_schedule+0x7f/0xd0 kernel/sched/core.c:8150
 folio_wait_bit_common+0x836/0xbc0 mm/filemap.c:1324
 __folio_lock mm/filemap.c:1705 [inline]
 folio_lock include/linux/pagemap.h:1159 [inline]
 __filemap_get_folio_mpol+0x140/0x1000 mm/filemap.c:1961
 __filemap_get_folio include/linux/pagemap.h:763 [inline]
 truncate_inode_pages_range+0x46d/0xd80 mm/truncate.c:413
 evict+0x638/0xb50 fs/inode.c:830
 dispose_list fs/inode.c:870 [inline]
 evict_inodes+0x7e3/0x870 fs/inode.c:924
 generic_shutdown_super+0xaa/0x2d0 fs/super.c:633
 kill_block_super+0x44/0x90 fs/super.c:1665
 deactivate_locked_super+0xbc/0x130 fs/super.c:477
 cleanup_mnt+0x3d3/0x460 fs/namespace.c:1317
 task_work_run+0x1d9/0x270 kernel/task_work.c:233
 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline]
 __exit_to_user_mode_loop kernel/entry/common.c:70 [inline]
 exit_to_user_mode_loop+0x1fa/0x730 kernel/entry/common.c:101
 __exit_to_user_mode_prepare include/linux/irq-entry-common.h:207 [inline]
 syscall_exit_to_user_mode_prepare include/linux/irq-entry-common.h:230 [inline]
 syscall_exit_to_user_mode include/linux/entry-common.h:318 [inline]
 do_syscall_64+0x353/0x580 arch/x86/entry/syscall_64.c:100
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f070959e097
RSP: 002b:00007fffdb0519b8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
RAX: 0000000000000000 RBX: 00007f07096322ca RCX: 00007f070959e097
RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007fffdb051a70
RBP: 00007fffdb051a70 R08: 00007fffdb052a70 R09: 00000000ffffffff
R10: 0000000000000000 R11: 0000000000000246 R12: 00007fffdb052b00
R13: 00007f07096322ca R14: 0000000000033b01 R15: 00007fffdb052b40
 </TASK>
INFO: lockdep is turned off.
NMI backtrace for cpu 0
CPU: 0 UID: 0 PID: 26 Comm: khungtaskd Not tainted syzkaller #0 PREEMPT(full) 
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
Call Trace:
 <TASK>
 dump_stack_lvl+0xe8/0x150 lib/dump_stack.c:120
 nmi_cpu_backtrace+0x274/0x2d0 lib/nmi_backtrace.c:122
 nmi_trigger_cpumask_backtrace+0x17a/0x380 lib/nmi_backtrace.c:65
 trigger_all_cpu_backtrace include/linux/nmi.h:162 [inline]
 __sys_info lib/sys_info.c:157 [inline]
 sys_info+0x135/0x170 lib/sys_info.c:165
 check_hung_uninterruptible_tasks kernel/hung_task.c:353 [inline]
 watchdog+0xfd7/0x1030 kernel/hung_task.c:561
 kthread+0x388/0x470 kernel/kthread.c:436
 ret_from_fork+0x514/0xb70 arch/x86/kernel/process.c:158
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
 </TASK>