Extracting prog: 3m10.098040459s
Minimizing prog: 1h15m35.019422638s
Simplifying prog options: 0s
Extracting C: 3m24.521046993s
Simplifying C: 24m0.767175459s


30 programs, timeouts [6m0s]
extracting reproducer from 30 programs
single: executing 5 programs separately with timeout 6m0s
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$erofs-syz_open_procfs-syz_open_procfs-mount$9p_fd-mkdir-mount-openat-fadvise64-mount$bpf
detailed listing:
executing program 0:
syz_mount_image$erofs(&(0x7f0000000180), &(0x7f0000000140)='./file1\x00', 0x1000801, &(0x7f0000000840)=ANY=[], 0x2, 0x1ea, &(0x7f0000000600)="$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")
r0 = syz_open_procfs(0x0, &(0x7f0000000240)='mountinfo\x00')
r1 = syz_open_procfs(0x0, &(0x7f00000000c0)='fd/3\x00')
mount$9p_fd(0x0, &(0x7f0000000300)='.\x00', &(0x7f0000000080), 0x0, &(0x7f0000000200)={'trans=fd,', {'rfdno', 0x3d, r1}, 0x2c, {'wfdno', 0x3d, r0}})
mkdir(&(0x7f0000000300)='./file0\x00', 0x0)
mount(0x0, &(0x7f0000000180)='./file0\x00', &(0x7f0000000080)='sysfs\x00', 0x0, 0x0)
r2 = openat(0xffffffffffffff9c, &(0x7f0000000040)='.\x00', 0x0, 0x0)
fadvise64(r2, 0xe0ffff, 0xe14100, 0x3)
mount$bpf(0x0, &(0x7f00000000c0)='./file0\x00', 0x0, 0x0, 0x0)

program crashed: INFO: task hung in erofs_namei
single: successfully extracted reproducer
found reproducer with 9 syscalls
minimizing guilty program
testing program (duration=9m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$erofs-syz_open_procfs-syz_open_procfs-mount$9p_fd-mkdir-mount-openat-fadvise64
detailed listing:
executing program 0:
syz_mount_image$erofs(&(0x7f0000000180), &(0x7f0000000140)='./file1\x00', 0x1000801, &(0x7f0000000840)=ANY=[], 0x2, 0x1ea, &(0x7f0000000600)="$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")
r0 = syz_open_procfs(0x0, &(0x7f0000000240)='mountinfo\x00')
r1 = syz_open_procfs(0x0, &(0x7f00000000c0)='fd/3\x00')
mount$9p_fd(0x0, &(0x7f0000000300)='.\x00', &(0x7f0000000080), 0x0, &(0x7f0000000200)={'trans=fd,', {'rfdno', 0x3d, r1}, 0x2c, {'wfdno', 0x3d, r0}})
mkdir(&(0x7f0000000300)='./file0\x00', 0x0)
mount(0x0, &(0x7f0000000180)='./file0\x00', &(0x7f0000000080)='sysfs\x00', 0x0, 0x0)
r2 = openat(0xffffffffffffff9c, &(0x7f0000000040)='.\x00', 0x0, 0x0)
fadvise64(r2, 0xe0ffff, 0xe14100, 0x3)

program crashed: INFO: task hung in z_erofs_runqueue
testing program (duration=9m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$erofs-syz_open_procfs-syz_open_procfs-mount$9p_fd-mkdir-mount-openat
detailed listing:
executing program 0:
syz_mount_image$erofs(&(0x7f0000000180), &(0x7f0000000140)='./file1\x00', 0x1000801, &(0x7f0000000840)=ANY=[], 0x2, 0x1ea, &(0x7f0000000600)="$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")
r0 = syz_open_procfs(0x0, &(0x7f0000000240)='mountinfo\x00')
r1 = syz_open_procfs(0x0, &(0x7f00000000c0)='fd/3\x00')
mount$9p_fd(0x0, &(0x7f0000000300)='.\x00', &(0x7f0000000080), 0x0, &(0x7f0000000200)={'trans=fd,', {'rfdno', 0x3d, r1}, 0x2c, {'wfdno', 0x3d, r0}})
mkdir(&(0x7f0000000300)='./file0\x00', 0x0)
mount(0x0, &(0x7f0000000180)='./file0\x00', &(0x7f0000000080)='sysfs\x00', 0x0, 0x0)
openat(0xffffffffffffff9c, &(0x7f0000000040)='.\x00', 0x0, 0x0)

program did not crash
testing program (duration=9m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$erofs-syz_open_procfs-syz_open_procfs-mount$9p_fd-mkdir-mount-fadvise64
detailed listing:
executing program 0:
syz_mount_image$erofs(&(0x7f0000000180), &(0x7f0000000140)='./file1\x00', 0x1000801, &(0x7f0000000840)=ANY=[], 0x2, 0x1ea, &(0x7f0000000600)="$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")
r0 = syz_open_procfs(0x0, &(0x7f0000000240)='mountinfo\x00')
r1 = syz_open_procfs(0x0, &(0x7f00000000c0)='fd/3\x00')
mount$9p_fd(0x0, &(0x7f0000000300)='.\x00', &(0x7f0000000080), 0x0, &(0x7f0000000200)={'trans=fd,', {'rfdno', 0x3d, r1}, 0x2c, {'wfdno', 0x3d, r0}})
mkdir(&(0x7f0000000300)='./file0\x00', 0x0)
mount(0x0, &(0x7f0000000180)='./file0\x00', &(0x7f0000000080)='sysfs\x00', 0x0, 0x0)
fadvise64(0xffffffffffffffff, 0xe0ffff, 0xe14100, 0x3)

program did not crash
testing program (duration=9m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$erofs-syz_open_procfs-syz_open_procfs-mount$9p_fd-mkdir-openat-fadvise64
detailed listing:
executing program 0:
syz_mount_image$erofs(&(0x7f0000000180), &(0x7f0000000140)='./file1\x00', 0x1000801, &(0x7f0000000840)=ANY=[], 0x2, 0x1ea, &(0x7f0000000600)="$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")
r0 = syz_open_procfs(0x0, &(0x7f0000000240)='mountinfo\x00')
r1 = syz_open_procfs(0x0, &(0x7f00000000c0)='fd/3\x00')
mount$9p_fd(0x0, &(0x7f0000000300)='.\x00', &(0x7f0000000080), 0x0, &(0x7f0000000200)={'trans=fd,', {'rfdno', 0x3d, r1}, 0x2c, {'wfdno', 0x3d, r0}})
mkdir(&(0x7f0000000300)='./file0\x00', 0x0)
r2 = openat(0xffffffffffffff9c, &(0x7f0000000040)='.\x00', 0x0, 0x0)
fadvise64(r2, 0xe0ffff, 0xe14100, 0x3)

program crashed: INFO: task hung in z_erofs_runqueue
testing program (duration=9m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$erofs-syz_open_procfs-syz_open_procfs-mount$9p_fd-openat-fadvise64
detailed listing:
executing program 0:
syz_mount_image$erofs(&(0x7f0000000180), &(0x7f0000000140)='./file1\x00', 0x1000801, &(0x7f0000000840)=ANY=[], 0x2, 0x1ea, &(0x7f0000000600)="$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")
r0 = syz_open_procfs(0x0, &(0x7f0000000240)='mountinfo\x00')
r1 = syz_open_procfs(0x0, &(0x7f00000000c0)='fd/3\x00')
mount$9p_fd(0x0, &(0x7f0000000300)='.\x00', &(0x7f0000000080), 0x0, &(0x7f0000000200)={'trans=fd,', {'rfdno', 0x3d, r1}, 0x2c, {'wfdno', 0x3d, r0}})
r2 = openat(0xffffffffffffff9c, &(0x7f0000000040)='.\x00', 0x0, 0x0)
fadvise64(r2, 0xe0ffff, 0xe14100, 0x3)

program did not crash
testing program (duration=9m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$erofs-syz_open_procfs-syz_open_procfs-mkdir-openat-fadvise64
detailed listing:
executing program 0:
syz_mount_image$erofs(&(0x7f0000000180), &(0x7f0000000140)='./file1\x00', 0x1000801, &(0x7f0000000840)=ANY=[], 0x2, 0x1ea, &(0x7f0000000600)="$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")
syz_open_procfs(0x0, &(0x7f0000000240)='mountinfo\x00')
syz_open_procfs(0x0, &(0x7f00000000c0)='fd/3\x00')
mkdir(&(0x7f0000000300)='./file0\x00', 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='.\x00', 0x0, 0x0)
fadvise64(r0, 0xe0ffff, 0xe14100, 0x3)

program crashed: INFO: task hung in z_erofs_runqueue
testing program (duration=9m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$erofs-syz_open_procfs-mkdir-openat-fadvise64
detailed listing:
executing program 0:
syz_mount_image$erofs(&(0x7f0000000180), &(0x7f0000000140)='./file1\x00', 0x1000801, &(0x7f0000000840)=ANY=[], 0x2, 0x1ea, &(0x7f0000000600)="$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")
syz_open_procfs(0x0, &(0x7f0000000240)='mountinfo\x00')
mkdir(&(0x7f0000000300)='./file0\x00', 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='.\x00', 0x0, 0x0)
fadvise64(r0, 0xe0ffff, 0xe14100, 0x3)

program crashed: INFO: task hung in z_erofs_runqueue
testing program (duration=9m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$erofs-mkdir-openat-fadvise64
detailed listing:
executing program 0:
syz_mount_image$erofs(&(0x7f0000000180), &(0x7f0000000140)='./file1\x00', 0x1000801, &(0x7f0000000840)=ANY=[], 0x2, 0x1ea, &(0x7f0000000600)="$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")
mkdir(&(0x7f0000000300)='./file0\x00', 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='.\x00', 0x0, 0x0)
fadvise64(r0, 0xe0ffff, 0xe14100, 0x3)

program crashed: INFO: task hung in z_erofs_runqueue
testing program (duration=9m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdir-openat-fadvise64
detailed listing:
executing program 0:
mkdir(&(0x7f0000000300)='./file0\x00', 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='.\x00', 0x0, 0x0)
fadvise64(r0, 0xe0ffff, 0xe14100, 0x3)

program did not crash
testing program (duration=9m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$erofs-mkdir-openat-fadvise64
detailed listing:
executing program 0:
syz_mount_image$erofs(&(0x7f0000000180), &(0x7f0000000140)='./file1\x00', 0x1000801, &(0x7f0000000840)=ANY=[], 0x2, 0x1ea, &(0x7f0000000600)="$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")
mkdir(0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='.\x00', 0x0, 0x0)
fadvise64(r0, 0xe0ffff, 0xe14100, 0x3)

program did not crash
testing program (duration=9m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$erofs-mkdir-openat-fadvise64
detailed listing:
executing program 0:
syz_mount_image$erofs(&(0x7f0000000180), &(0x7f0000000140)='./file1\x00', 0x1000801, &(0x7f0000000840)=ANY=[], 0x2, 0x1ea, &(0x7f0000000600)="$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")
mkdir(&(0x7f0000000300)='./file0\x00', 0x0)
r0 = openat(0xffffffffffffff9c, 0x0, 0x0, 0x0)
fadvise64(r0, 0xe0ffff, 0xe14100, 0x3)

program did not crash
extracting C reproducer
testing compiled C program (duration=9m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$erofs-mkdir-openat-fadvise64
program crashed: INFO: task hung in z_erofs_runqueue
simplifying C reproducer
testing compiled C program (duration=9m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$erofs-mkdir-openat-fadvise64
program crashed: INFO: task hung in z_erofs_runqueue
testing compiled C program (duration=9m0s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$erofs-mkdir-openat-fadvise64
program crashed: INFO: task hung in z_erofs_runqueue
testing compiled C program (duration=9m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:true Sysctl:true Swap:false UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$erofs-mkdir-openat-fadvise64
program crashed: INFO: task hung in z_erofs_runqueue
testing compiled C program (duration=9m0s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$erofs-mkdir-openat-fadvise64
program crashed: INFO: task hung in z_erofs_runqueue
testing compiled C program (duration=9m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:false HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$erofs-mkdir-openat-fadvise64
program crashed: INFO: task hung in z_erofs_runqueue
testing compiled C program (duration=9m0s, {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:false Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$erofs-mkdir-openat-fadvise64
program crashed: INFO: task hung in z_erofs_runqueue
testing compiled C program (duration=9m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$erofs-mkdir-openat-fadvise64
program crashed: INFO: task hung in z_erofs_runqueue
reproducing took 1h46m10.405699779s
repro crashed as (corrupted=false):
INFO: task syz-executor325:3572 blocked for more than 143 seconds.
      Not tainted 5.15.164-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor325 state:D stack:24824 pid: 3572 ppid:  3571 flags:0x00004006
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5030 [inline]
 __schedule+0x12c4/0x45b0 kernel/sched/core.c:6376
 schedule+0x11b/0x1f0 kernel/sched/core.c:6459
 io_schedule+0x88/0x100 kernel/sched/core.c:8484
 wait_on_page_bit_common+0xa13/0x1180 mm/filemap.c:1356
 lock_page include/linux/pagemap.h:625 [inline]
 pickup_page_for_submission fs/erofs/zdata.c:1135 [inline]
 z_erofs_submit_queue fs/erofs/zdata.c:1306 [inline]
 z_erofs_runqueue+0x788/0x1a80 fs/erofs/zdata.c:1367
 z_erofs_readahead+0xc9a/0x1280 fs/erofs/zdata.c:1459
 read_pages+0x159/0x8e0 mm/readahead.c:130
 page_cache_ra_unbounded+0x7b0/0x930 mm/readahead.c:239
 do_page_cache_ra mm/readahead.c:269 [inline]
 force_page_cache_ra+0x378/0x3e0 mm/readahead.c:301
 force_page_cache_readahead mm/internal.h:59 [inline]
 generic_fadvise+0x5ba/0x8b0 mm/fadvise.c:107
 vfs_fadvise mm/fadvise.c:186 [inline]
 ksys_fadvise64_64 mm/fadvise.c:200 [inline]
 __do_sys_fadvise64 mm/fadvise.c:215 [inline]
 __se_sys_fadvise64 mm/fadvise.c:213 [inline]
 __x64_sys_fadvise64+0x138/0x180 mm/fadvise.c:213
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7f3892e88a99
RSP: 002b:00007fff0d9e90a8 EFLAGS: 00000246 ORIG_RAX: 00000000000000dd
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f3892e88a99
RDX: 0000000000e14100 RSI: 0000000000e0ffff RDI: 0000000000000004
RBP: 00007f3892efc5f0 R08: 00005555565904c0 R09: 00005555565904c0
R10: 0000000000000003 R11: 0000000000000246 R12: 00007fff0d9e90d0
R13: 00007fff0d9e92f8 R14: 431bde82d7b634db R15: 00007f3892ed103b
 </TASK>

Showing all locks held in the system:
1 lock held by khungtaskd/27:
 #0: ffffffff8c91fb20 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x0/0x30
1 lock held by klogd/3015:
 #0: ffff8880b9a3a358 (&rq->__lock){-.-.}-{2:2}, at: raw_spin_rq_lock_nested+0x26/0x140 kernel/sched/core.c:475
2 locks held by getty/3333:
 #0: ffff88807f4c8098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x21/0x70 drivers/tty/tty_ldisc.c:252
 #1: ffffc9000209b2e8 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x6af/0x1db0 drivers/tty/n_tty.c:2158
1 lock held by syz-executor325/3572:
 #0: ffff888074348320 (mapping.invalidate_lock#3){.+.+}-{3:3}, at: filemap_invalidate_lock_shared include/linux/fs.h:844 [inline]
 #0: ffff888074348320 (mapping.invalidate_lock#3){.+.+}-{3:3}, at: page_cache_ra_unbounded+0x1a6/0x930 mm/readahead.c:195

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

NMI backtrace for cpu 1
CPU: 1 PID: 27 Comm: khungtaskd Not tainted 5.15.164-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/27/2024
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:88 [inline]
 dump_stack_lvl+0x1e3/0x2d0 lib/dump_stack.c:106
 nmi_cpu_backtrace+0x46a/0x4a0 lib/nmi_backtrace.c:111
 nmi_trigger_cpumask_backtrace+0x181/0x2a0 lib/nmi_backtrace.c:62
 trigger_all_cpu_backtrace include/linux/nmi.h:148 [inline]
 check_hung_uninterruptible_tasks kernel/hung_task.c:210 [inline]
 watchdog+0xe72/0xeb0 kernel/hung_task.c:295
 kthread+0x3f6/0x4f0 kernel/kthread.c:334
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:287
 </TASK>
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0 skipped: idling at native_safe_halt arch/x86/include/asm/irqflags.h:51 [inline]
NMI backtrace for cpu 0 skipped: idling at arch_safe_halt arch/x86/include/asm/irqflags.h:89 [inline]
NMI backtrace for cpu 0 skipped: idling at acpi_safe_halt drivers/acpi/processor_idle.c:108 [inline]
NMI backtrace for cpu 0 skipped: idling at acpi_idle_do_entry+0x10f/0x340 drivers/acpi/processor_idle.c:562

final repro crashed as (corrupted=false):
INFO: task syz-executor325:3572 blocked for more than 143 seconds.
      Not tainted 5.15.164-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor325 state:D stack:24824 pid: 3572 ppid:  3571 flags:0x00004006
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5030 [inline]
 __schedule+0x12c4/0x45b0 kernel/sched/core.c:6376
 schedule+0x11b/0x1f0 kernel/sched/core.c:6459
 io_schedule+0x88/0x100 kernel/sched/core.c:8484
 wait_on_page_bit_common+0xa13/0x1180 mm/filemap.c:1356
 lock_page include/linux/pagemap.h:625 [inline]
 pickup_page_for_submission fs/erofs/zdata.c:1135 [inline]
 z_erofs_submit_queue fs/erofs/zdata.c:1306 [inline]
 z_erofs_runqueue+0x788/0x1a80 fs/erofs/zdata.c:1367
 z_erofs_readahead+0xc9a/0x1280 fs/erofs/zdata.c:1459
 read_pages+0x159/0x8e0 mm/readahead.c:130
 page_cache_ra_unbounded+0x7b0/0x930 mm/readahead.c:239
 do_page_cache_ra mm/readahead.c:269 [inline]
 force_page_cache_ra+0x378/0x3e0 mm/readahead.c:301
 force_page_cache_readahead mm/internal.h:59 [inline]
 generic_fadvise+0x5ba/0x8b0 mm/fadvise.c:107
 vfs_fadvise mm/fadvise.c:186 [inline]
 ksys_fadvise64_64 mm/fadvise.c:200 [inline]
 __do_sys_fadvise64 mm/fadvise.c:215 [inline]
 __se_sys_fadvise64 mm/fadvise.c:213 [inline]
 __x64_sys_fadvise64+0x138/0x180 mm/fadvise.c:213
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7f3892e88a99
RSP: 002b:00007fff0d9e90a8 EFLAGS: 00000246 ORIG_RAX: 00000000000000dd
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f3892e88a99
RDX: 0000000000e14100 RSI: 0000000000e0ffff RDI: 0000000000000004
RBP: 00007f3892efc5f0 R08: 00005555565904c0 R09: 00005555565904c0
R10: 0000000000000003 R11: 0000000000000246 R12: 00007fff0d9e90d0
R13: 00007fff0d9e92f8 R14: 431bde82d7b634db R15: 00007f3892ed103b
 </TASK>

Showing all locks held in the system:
1 lock held by khungtaskd/27:
 #0: ffffffff8c91fb20 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x0/0x30
1 lock held by klogd/3015:
 #0: ffff8880b9a3a358 (&rq->__lock){-.-.}-{2:2}, at: raw_spin_rq_lock_nested+0x26/0x140 kernel/sched/core.c:475
2 locks held by getty/3333:
 #0: ffff88807f4c8098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x21/0x70 drivers/tty/tty_ldisc.c:252
 #1: ffffc9000209b2e8 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x6af/0x1db0 drivers/tty/n_tty.c:2158
1 lock held by syz-executor325/3572:
 #0: ffff888074348320 (mapping.invalidate_lock#3){.+.+}-{3:3}, at: filemap_invalidate_lock_shared include/linux/fs.h:844 [inline]
 #0: ffff888074348320 (mapping.invalidate_lock#3){.+.+}-{3:3}, at: page_cache_ra_unbounded+0x1a6/0x930 mm/readahead.c:195

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

NMI backtrace for cpu 1
CPU: 1 PID: 27 Comm: khungtaskd Not tainted 5.15.164-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/27/2024
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:88 [inline]
 dump_stack_lvl+0x1e3/0x2d0 lib/dump_stack.c:106
 nmi_cpu_backtrace+0x46a/0x4a0 lib/nmi_backtrace.c:111
 nmi_trigger_cpumask_backtrace+0x181/0x2a0 lib/nmi_backtrace.c:62
 trigger_all_cpu_backtrace include/linux/nmi.h:148 [inline]
 check_hung_uninterruptible_tasks kernel/hung_task.c:210 [inline]
 watchdog+0xe72/0xeb0 kernel/hung_task.c:295
 kthread+0x3f6/0x4f0 kernel/kthread.c:334
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:287
 </TASK>
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0 skipped: idling at native_safe_halt arch/x86/include/asm/irqflags.h:51 [inline]
NMI backtrace for cpu 0 skipped: idling at arch_safe_halt arch/x86/include/asm/irqflags.h:89 [inline]
NMI backtrace for cpu 0 skipped: idling at acpi_safe_halt drivers/acpi/processor_idle.c:108 [inline]
NMI backtrace for cpu 0 skipped: idling at acpi_idle_do_entry+0x10f/0x340 drivers/acpi/processor_idle.c:562