Extracting prog: 2m36.77800556s
Minimizing prog: 6m20.185508943s
Simplifying prog options: 1m50.081906978s
Extracting C: 58.720346284s
Simplifying C: 5m21.936631624s


extracting reproducer from 1 programs
testing a last program of every proc
single: executing 1 programs separately with timeout 30s
testing program (duration=30s, {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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$hfs-openat$cgroup_ro-prlimit64-sched_setscheduler-ftruncate
detailed listing:
executing program 0:
syz_mount_image$hfs(&(0x7f0000000180), &(0x7f0000000100)='\x13\x13w\xc5\xfc5\xd4\x14T\xd5\xd4\x1d)\xad\x1a`)Y\x81F\xe6\xbe\x16nA\xad\r\xbd@T\x03<\x9f3\xbb\xda\x82$\xa2\xf3\xd7r\xe7cnH\xb3<\xbfp\x83r\xe8\xf1\xb9\x93>\xc5\x12wC\xbe\"\x06 \x9e\xf0-\xf9\xcb\xf2\xf6\xe8\x80\xd38/\x00', 0x3000080, &(0x7f0000000500)=ANY=[@ANYBLOB="71756965742c636f6465706167653d69736f383835392d31352c706172743d3078303030303030300000000000000000662c00a20000000700000000ede9debf530c3cc4d04b548919aca0c2937d4da1fc31dc42fc2e3e"], 0x11, 0x2b6, &(0x7f0000000600)="$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")
r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cpuset.memory_pressure_enabled\x00', 0x275a, 0x0)
prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0)
sched_setscheduler(0x0, 0x1, &(0x7f0000000080)=0x7)
ftruncate(r0, 0x100c17a)

program crashed: possible deadlock in hfs_find_init
program crashed: possible deadlock in hfs_find_init
single: successfully extracted reproducer
found reproducer with 5 syscalls
minimizing guilty program
testing program (duration=44.04412431s, {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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$hfs-openat$cgroup_ro-prlimit64-sched_setscheduler
detailed listing:
executing program 0:
syz_mount_image$hfs(&(0x7f0000000180), &(0x7f0000000100)='\x13\x13w\xc5\xfc5\xd4\x14T\xd5\xd4\x1d)\xad\x1a`)Y\x81F\xe6\xbe\x16nA\xad\r\xbd@T\x03<\x9f3\xbb\xda\x82$\xa2\xf3\xd7r\xe7cnH\xb3<\xbfp\x83r\xe8\xf1\xb9\x93>\xc5\x12wC\xbe\"\x06 \x9e\xf0-\xf9\xcb\xf2\xf6\xe8\x80\xd38/\x00', 0x3000080, &(0x7f0000000500)=ANY=[@ANYBLOB="71756965742c636f6465706167653d69736f383835392d31352c706172743d3078303030303030300000000000000000662c00a20000000700000000ede9debf530c3cc4d04b548919aca0c2937d4da1fc31dc42fc2e3e"], 0x11, 0x2b6, &(0x7f0000000600)="$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")
openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cpuset.memory_pressure_enabled\x00', 0x275a, 0x0)
prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0)
sched_setscheduler(0x0, 0x1, &(0x7f0000000080)=0x7)

program did not crash
testing program (duration=44.04412431s, {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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$hfs-openat$cgroup_ro-prlimit64-ftruncate
detailed listing:
executing program 0:
syz_mount_image$hfs(&(0x7f0000000180), &(0x7f0000000100)='\x13\x13w\xc5\xfc5\xd4\x14T\xd5\xd4\x1d)\xad\x1a`)Y\x81F\xe6\xbe\x16nA\xad\r\xbd@T\x03<\x9f3\xbb\xda\x82$\xa2\xf3\xd7r\xe7cnH\xb3<\xbfp\x83r\xe8\xf1\xb9\x93>\xc5\x12wC\xbe\"\x06 \x9e\xf0-\xf9\xcb\xf2\xf6\xe8\x80\xd38/\x00', 0x3000080, &(0x7f0000000500)=ANY=[@ANYBLOB="71756965742c636f6465706167653d69736f383835392d31352c706172743d3078303030303030300000000000000000662c00a20000000700000000ede9debf530c3cc4d04b548919aca0c2937d4da1fc31dc42fc2e3e"], 0x11, 0x2b6, &(0x7f0000000600)="$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")
r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cpuset.memory_pressure_enabled\x00', 0x275a, 0x0)
prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0)
ftruncate(r0, 0x100c17a)

program crashed: possible deadlock in hfs_find_init
testing program (duration=44.04412431s, {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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$hfs-openat$cgroup_ro-ftruncate
detailed listing:
executing program 0:
syz_mount_image$hfs(&(0x7f0000000180), &(0x7f0000000100)='\x13\x13w\xc5\xfc5\xd4\x14T\xd5\xd4\x1d)\xad\x1a`)Y\x81F\xe6\xbe\x16nA\xad\r\xbd@T\x03<\x9f3\xbb\xda\x82$\xa2\xf3\xd7r\xe7cnH\xb3<\xbfp\x83r\xe8\xf1\xb9\x93>\xc5\x12wC\xbe\"\x06 \x9e\xf0-\xf9\xcb\xf2\xf6\xe8\x80\xd38/\x00', 0x3000080, &(0x7f0000000500)=ANY=[@ANYBLOB="71756965742c636f6465706167653d69736f383835392d31352c706172743d3078303030303030300000000000000000662c00a20000000700000000ede9debf530c3cc4d04b548919aca0c2937d4da1fc31dc42fc2e3e"], 0x11, 0x2b6, &(0x7f0000000600)="$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")
r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cpuset.memory_pressure_enabled\x00', 0x275a, 0x0)
ftruncate(r0, 0x100c17a)

program crashed: possible deadlock in hfs_find_init
testing program (duration=44.04412431s, {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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$hfs-ftruncate
detailed listing:
executing program 0:
syz_mount_image$hfs(&(0x7f0000000180), &(0x7f0000000100)='\x13\x13w\xc5\xfc5\xd4\x14T\xd5\xd4\x1d)\xad\x1a`)Y\x81F\xe6\xbe\x16nA\xad\r\xbd@T\x03<\x9f3\xbb\xda\x82$\xa2\xf3\xd7r\xe7cnH\xb3<\xbfp\x83r\xe8\xf1\xb9\x93>\xc5\x12wC\xbe\"\x06 \x9e\xf0-\xf9\xcb\xf2\xf6\xe8\x80\xd38/\x00', 0x3000080, &(0x7f0000000500)=ANY=[@ANYBLOB="71756965742c636f6465706167653d69736f383835392d31352c706172743d3078303030303030300000000000000000662c00a20000000700000000ede9debf530c3cc4d04b548919aca0c2937d4da1fc31dc42fc2e3e"], 0x11, 0x2b6, &(0x7f0000000600)="$eJzs3c1qE10cx/HfmaRtnqehTl9EcFkt6EZq3YibiOQixIWoTYRiqKgV1I1VXIno3r234EW4UbwBXbnyAupq5Jw5ee28pKGZafD7gYTJzDlz/ifzcs4/0I4A/LNuNH98uvLLvoxUUUV6e00KJNWkqqTTOlN7uru3s9dpt7J2VHE17MsormkOldnebSdVtfVcDS+0n6qqD67DdERRdP1n2UGgdO7qTxBIC/7qdNtrhUeW7dWE9faPOY5ZYw50oGdaKjsOAEC5/Pgf+HG+7ufvQSBt+GH/RI7/kzooO4CpizK3Doz/LsuKjD2+p9ymfr7nUji7PehmieO0PDfyeV7xmTU0wTR5WaWLJfjv/k6nfWn7YacV6LUa3kCxNffeik/drpxo1xNy0wxj9N0kzygXXR/mbB+2UuJfnbDFiZkv5pu5bUJ9VKs3/6tGxh4md6TCkSMVx7+ZvkfXy9CWkr9tNBqNYKjIsmvkrG/By+llLTkjUfeMWtbwDwRhXpyu1spIrbh3l3NqrSbW2up+Sqm1NlTL9qZ3Nqe3N23mvblp1vVbn9UcmP8HNr4NZV6Z/avGbMRDgfvG4/7MJzdXdfsMD40c+7pVH17T+xYX0kL/k31PwxG80z1d1dKT5y8eVDqd9mO7cDdh4VG9t2bujZRYpuQF7ffXLChyDhXuDkpFBnbxWHdo7x+5he1VVkgHT+SZUNRC82uxJ1IZCyXfn1CI/kEvOxKUxM67TJz/DeQrm26yZ9/CjHl67oTM7zGyc+xeBlQbqr/ilv4/Uga3mJ7BjZtznbsgnR+/xdDHORuilzkFTFPfdYff/wEAAAAAAAAAAAAAAAAAAGZNEX9OUHYfAQAAAAAAAAAAAAAAAAAAAACYdb3n/6r7/F+N9/zf0f/8fZzP//2wK57/C0zf3wAAAP//TraANQ==")
ftruncate(0xffffffffffffffff, 0x100c17a)

program did not crash
testing program (duration=44.04412431s, {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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$cgroup_ro-ftruncate
detailed listing:
executing program 0:
r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cpuset.memory_pressure_enabled\x00', 0x275a, 0x0)
ftruncate(r0, 0x100c17a)

program did not crash
testing program (duration=44.04412431s, {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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$hfs-openat$cgroup_ro-ftruncate
detailed listing:
executing program 0:
syz_mount_image$hfs(&(0x7f0000000180), &(0x7f0000000100)='\x13\x13w\xc5\xfc5\xd4\x14T\xd5\xd4\x1d)\xad\x1a`)Y\x81F\xe6\xbe\x16nA\xad\r\xbd@T\x03<\x9f3\xbb\xda\x82$\xa2\xf3\xd7r\xe7cnH\xb3<\xbfp\x83r\xe8\xf1\xb9\x93>\xc5\x12wC\xbe\"\x06 \x9e\xf0-\xf9\xcb\xf2\xf6\xe8\x80\xd38/\x00', 0x3000080, &(0x7f0000000500)=ANY=[@ANYBLOB="71756965742c636f6465706167653d69736f383835392d31352c706172743d3078303030303030300000000000000000662c00a20000000700000000ede9debf530c3cc4d04b548919aca0c2937d4da1fc31dc42fc2e3e"], 0x11, 0x2b6, &(0x7f0000000600)="$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")
r0 = openat$cgroup_ro(0xffffffffffffff9c, 0x0, 0x275a, 0x0)
ftruncate(r0, 0x100c17a)

program did not crash
extracting C reproducer
testing compiled C program (duration=44.04412431s, {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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$hfs-openat$cgroup_ro-ftruncate
program did not crash
simplifying guilty program options
testing program (duration=44.04412431s, {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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$hfs-openat$cgroup_ro-ftruncate
detailed listing:
executing program 0:
syz_mount_image$hfs(&(0x7f0000000180), &(0x7f0000000100)='\x13\x13w\xc5\xfc5\xd4\x14T\xd5\xd4\x1d)\xad\x1a`)Y\x81F\xe6\xbe\x16nA\xad\r\xbd@T\x03<\x9f3\xbb\xda\x82$\xa2\xf3\xd7r\xe7cnH\xb3<\xbfp\x83r\xe8\xf1\xb9\x93>\xc5\x12wC\xbe\"\x06 \x9e\xf0-\xf9\xcb\xf2\xf6\xe8\x80\xd38/\x00', 0x3000080, &(0x7f0000000500)=ANY=[@ANYBLOB="71756965742c636f6465706167653d69736f383835392d31352c706172743d3078303030303030300000000000000000662c00a20000000700000000ede9debf530c3cc4d04b548919aca0c2937d4da1fc31dc42fc2e3e"], 0x11, 0x2b6, &(0x7f0000000600)="$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")
r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cpuset.memory_pressure_enabled\x00', 0x275a, 0x0)
ftruncate(r0, 0x100c17a)

program crashed: possible deadlock in hfs_find_init
extracting C reproducer
testing compiled C program (duration=44.04412431s, {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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$hfs-openat$cgroup_ro-ftruncate
program crashed: possible deadlock in hfs_find_init
simplifying C reproducer
testing compiled C program (duration=44.04412431s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:false Cgroups:false 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$hfs-openat$cgroup_ro-ftruncate
program crashed: possible deadlock in hfs_find_init
testing compiled C program (duration=44.04412431s, {Threaded:false Repeat:false 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$hfs-openat$cgroup_ro-ftruncate
program crashed: possible deadlock in hfs_find_init
testing compiled C program (duration=44.04412431s, {Threaded:false Repeat:false 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$hfs-openat$cgroup_ro-ftruncate
program crashed: possible deadlock in hfs_find_init
testing compiled C program (duration=44.04412431s, {Threaded:false Repeat:false 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$hfs-openat$cgroup_ro-ftruncate
program crashed: possible deadlock in hfs_find_init
testing compiled C program (duration=44.04412431s, {Threaded:false Repeat:false 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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$hfs-openat$cgroup_ro-ftruncate
program crashed: possible deadlock in hfs_find_init
testing compiled C program (duration=44.04412431s, {Threaded:false Repeat:false 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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$hfs-openat$cgroup_ro-ftruncate
program crashed: possible deadlock in hfs_find_init
testing program (duration=44.04412431s, {Threaded:false Repeat:false 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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$hfs-openat$cgroup_ro-ftruncate
detailed listing:
executing program 0:
syz_mount_image$hfs(&(0x7f0000000180), &(0x7f0000000100)='\x13\x13w\xc5\xfc5\xd4\x14T\xd5\xd4\x1d)\xad\x1a`)Y\x81F\xe6\xbe\x16nA\xad\r\xbd@T\x03<\x9f3\xbb\xda\x82$\xa2\xf3\xd7r\xe7cnH\xb3<\xbfp\x83r\xe8\xf1\xb9\x93>\xc5\x12wC\xbe\"\x06 \x9e\xf0-\xf9\xcb\xf2\xf6\xe8\x80\xd38/\x00', 0x3000080, &(0x7f0000000500)=ANY=[@ANYBLOB="71756965742c636f6465706167653d69736f383835392d31352c706172743d3078303030303030300000000000000000662c00a20000000700000000ede9debf530c3cc4d04b548919aca0c2937d4da1fc31dc42fc2e3e"], 0x11, 0x2b6, &(0x7f0000000600)="$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")
r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cpuset.memory_pressure_enabled\x00', 0x275a, 0x0)
ftruncate(r0, 0x100c17a)

program crashed: possible deadlock in hfs_find_init
validation run: crashed=true
testing program (duration=44.04412431s, {Threaded:false Repeat:false 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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$hfs-openat$cgroup_ro-ftruncate
detailed listing:
executing program 0:
syz_mount_image$hfs(&(0x7f0000000180), &(0x7f0000000100)='\x13\x13w\xc5\xfc5\xd4\x14T\xd5\xd4\x1d)\xad\x1a`)Y\x81F\xe6\xbe\x16nA\xad\r\xbd@T\x03<\x9f3\xbb\xda\x82$\xa2\xf3\xd7r\xe7cnH\xb3<\xbfp\x83r\xe8\xf1\xb9\x93>\xc5\x12wC\xbe\"\x06 \x9e\xf0-\xf9\xcb\xf2\xf6\xe8\x80\xd38/\x00', 0x3000080, &(0x7f0000000500)=ANY=[@ANYBLOB="71756965742c636f6465706167653d69736f383835392d31352c706172743d3078303030303030300000000000000000662c00a20000000700000000ede9debf530c3cc4d04b548919aca0c2937d4da1fc31dc42fc2e3e"], 0x11, 0x2b6, &(0x7f0000000600)="$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")
r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cpuset.memory_pressure_enabled\x00', 0x275a, 0x0)
ftruncate(r0, 0x100c17a)

program crashed: possible deadlock in hfs_find_init
validation run: crashed=true
testing program (duration=44.04412431s, {Threaded:false Repeat:false 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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$hfs-openat$cgroup_ro-ftruncate
detailed listing:
executing program 0:
syz_mount_image$hfs(&(0x7f0000000180), &(0x7f0000000100)='\x13\x13w\xc5\xfc5\xd4\x14T\xd5\xd4\x1d)\xad\x1a`)Y\x81F\xe6\xbe\x16nA\xad\r\xbd@T\x03<\x9f3\xbb\xda\x82$\xa2\xf3\xd7r\xe7cnH\xb3<\xbfp\x83r\xe8\xf1\xb9\x93>\xc5\x12wC\xbe\"\x06 \x9e\xf0-\xf9\xcb\xf2\xf6\xe8\x80\xd38/\x00', 0x3000080, &(0x7f0000000500)=ANY=[@ANYBLOB="71756965742c636f6465706167653d69736f383835392d31352c706172743d3078303030303030300000000000000000662c00a20000000700000000ede9debf530c3cc4d04b548919aca0c2937d4da1fc31dc42fc2e3e"], 0x11, 0x2b6, &(0x7f0000000600)="$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")
r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cpuset.memory_pressure_enabled\x00', 0x275a, 0x0)
ftruncate(r0, 0x100c17a)

program crashed: possible deadlock in hfs_find_init
validation run: crashed=true
reproducing took 20m53.501270611s
repro crashed as (corrupted=false):
============================================
WARNING: possible recursive locking detected
6.1.148-syzkaller #0 Not tainted
--------------------------------------------
syz.0.17/4464 is trying to acquire lock:
ffff0000d1fb80b0 (&tree->tree_lock/1){+.+.}-{3:3}, at: hfs_find_init+0x148/0x1c8 fs/hfs/bfind.c:-1

but task is already holding lock:
ffff0000d1fb80b0 (&tree->tree_lock/1){+.+.}-{3:3}, at: hfs_find_init+0x148/0x1c8 fs/hfs/bfind.c:-1

other info that might help us debug this:
 Possible unsafe locking scenario:

       CPU0
       ----
  lock(&tree->tree_lock/1);
  lock(&tree->tree_lock/1);

 *** DEADLOCK ***

 May be due to missing lock nesting notation

5 locks held by syz.0.17/4464:
 #0: ffff0000de718460 (sb_writers#12){.+.+}-{0:0}, at: do_sys_ftruncate+0x210/0x31c fs/open.c:190
 #1: ffff0000d0d21628 (&sb->s_type->i_mutex_key#20){+.+.}-{3:3}, at: inode_lock include/linux/fs.h:758 [inline]
 #1: ffff0000d0d21628 (&sb->s_type->i_mutex_key#20){+.+.}-{3:3}, at: do_truncate+0x164/0x1f0 fs/open.c:63
 #2: ffff0000d0d21478 (&HFS_I(inode)->extents_lock){+.+.}-{3:3}, at: hfs_extend_file+0xd4/0xf9c fs/hfs/extent.c:397
 #3: ffff0000d1fb80b0 (&tree->tree_lock/1){+.+.}-{3:3}, at: hfs_find_init+0x148/0x1c8 fs/hfs/bfind.c:-1
 #4: ffff0000d0d200f8 (&HFS_I(tree->inode)->extents_lock){+.+.}-{3:3}, at: hfs_extend_file+0xd4/0xf9c fs/hfs/extent.c:397

stack backtrace:
CPU: 0 PID: 4464 Comm: syz.0.17 Not tainted 6.1.148-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025
Call trace:
 dump_backtrace+0x1c8/0x1f4 arch/arm64/kernel/stacktrace.c:158
 show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:165
 __dump_stack+0x30/0x40 lib/dump_stack.c:88
 dump_stack_lvl+0xf8/0x160 lib/dump_stack.c:106
 dump_stack+0x1c/0x5c lib/dump_stack.c:113
 __lock_acquire+0x18b4/0x6544 kernel/locking/lockdep.c:-1
 lock_acquire+0x20c/0x644 kernel/locking/lockdep.c:5662
 __mutex_lock_common+0x190/0x1f38 kernel/locking/mutex.c:603
 __mutex_lock kernel/locking/mutex.c:747 [inline]
 mutex_lock_nested+0x38/0x44 kernel/locking/mutex.c:799
 hfs_find_init+0x148/0x1c8 fs/hfs/bfind.c:-1
 hfs_ext_read_extent fs/hfs/extent.c:200 [inline]
 hfs_extend_file+0x238/0xf9c fs/hfs/extent.c:401
 hfs_bmap_reserve+0xd4/0x3e0 fs/hfs/btree.c:234
 __hfs_ext_write_extent+0x19c/0x488 fs/hfs/extent.c:121
 __hfs_ext_cache_extent+0x84/0x750 fs/hfs/extent.c:174
 hfs_ext_read_extent fs/hfs/extent.c:202 [inline]
 hfs_extend_file+0x264/0xf9c fs/hfs/extent.c:401
 hfs_get_block+0x2e8/0x9cc fs/hfs/extent.c:353
 __block_write_begin_int+0x34c/0x13b8 fs/buffer.c:1991
 __block_write_begin fs/buffer.c:2041 [inline]
 block_write_begin fs/buffer.c:2102 [inline]
 cont_write_begin+0x548/0x780 fs/buffer.c:2456
 hfs_write_begin+0x98/0xe4 fs/hfs/inode.c:58
 cont_expand_zero fs/buffer.c:2383 [inline]
 cont_write_begin+0x268/0x780 fs/buffer.c:2446
 hfs_write_begin+0x98/0xe4 fs/hfs/inode.c:58
 hfs_file_truncate+0x158/0x7ec fs/hfs/extent.c:494
 hfs_inode_setattr+0x3a0/0x5bc fs/hfs/inode.c:659
 notify_change+0xb0c/0xdcc fs/attr.c:499
 do_truncate+0x178/0x1f0 fs/open.c:65
 do_sys_ftruncate+0x284/0x31c fs/open.c:193
 __do_sys_ftruncate fs/open.c:204 [inline]
 __se_sys_ftruncate fs/open.c:202 [inline]
 __arm64_sys_ftruncate+0x60/0x74 fs/open.c:202
 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline]
 invoke_syscall+0x98/0x2bc arch/arm64/kernel/syscall.c:52
 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:140
 do_el0_svc+0x58/0x13c arch/arm64/kernel/syscall.c:204
 el0_svc+0x58/0x138 arch/arm64/kernel/entry-common.c:637
 el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655
 el0t_64_sync+0x18c/0x190 arch/arm64/kernel/entry.S:585

final repro crashed as (corrupted=false):
============================================
WARNING: possible recursive locking detected
6.1.148-syzkaller #0 Not tainted
--------------------------------------------
syz.0.17/4464 is trying to acquire lock:
ffff0000d1fb80b0 (&tree->tree_lock/1){+.+.}-{3:3}, at: hfs_find_init+0x148/0x1c8 fs/hfs/bfind.c:-1

but task is already holding lock:
ffff0000d1fb80b0 (&tree->tree_lock/1){+.+.}-{3:3}, at: hfs_find_init+0x148/0x1c8 fs/hfs/bfind.c:-1

other info that might help us debug this:
 Possible unsafe locking scenario:

       CPU0
       ----
  lock(&tree->tree_lock/1);
  lock(&tree->tree_lock/1);

 *** DEADLOCK ***

 May be due to missing lock nesting notation

5 locks held by syz.0.17/4464:
 #0: ffff0000de718460 (sb_writers#12){.+.+}-{0:0}, at: do_sys_ftruncate+0x210/0x31c fs/open.c:190
 #1: ffff0000d0d21628 (&sb->s_type->i_mutex_key#20){+.+.}-{3:3}, at: inode_lock include/linux/fs.h:758 [inline]
 #1: ffff0000d0d21628 (&sb->s_type->i_mutex_key#20){+.+.}-{3:3}, at: do_truncate+0x164/0x1f0 fs/open.c:63
 #2: ffff0000d0d21478 (&HFS_I(inode)->extents_lock){+.+.}-{3:3}, at: hfs_extend_file+0xd4/0xf9c fs/hfs/extent.c:397
 #3: ffff0000d1fb80b0 (&tree->tree_lock/1){+.+.}-{3:3}, at: hfs_find_init+0x148/0x1c8 fs/hfs/bfind.c:-1
 #4: ffff0000d0d200f8 (&HFS_I(tree->inode)->extents_lock){+.+.}-{3:3}, at: hfs_extend_file+0xd4/0xf9c fs/hfs/extent.c:397

stack backtrace:
CPU: 0 PID: 4464 Comm: syz.0.17 Not tainted 6.1.148-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025
Call trace:
 dump_backtrace+0x1c8/0x1f4 arch/arm64/kernel/stacktrace.c:158
 show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:165
 __dump_stack+0x30/0x40 lib/dump_stack.c:88
 dump_stack_lvl+0xf8/0x160 lib/dump_stack.c:106
 dump_stack+0x1c/0x5c lib/dump_stack.c:113
 __lock_acquire+0x18b4/0x6544 kernel/locking/lockdep.c:-1
 lock_acquire+0x20c/0x644 kernel/locking/lockdep.c:5662
 __mutex_lock_common+0x190/0x1f38 kernel/locking/mutex.c:603
 __mutex_lock kernel/locking/mutex.c:747 [inline]
 mutex_lock_nested+0x38/0x44 kernel/locking/mutex.c:799
 hfs_find_init+0x148/0x1c8 fs/hfs/bfind.c:-1
 hfs_ext_read_extent fs/hfs/extent.c:200 [inline]
 hfs_extend_file+0x238/0xf9c fs/hfs/extent.c:401
 hfs_bmap_reserve+0xd4/0x3e0 fs/hfs/btree.c:234
 __hfs_ext_write_extent+0x19c/0x488 fs/hfs/extent.c:121
 __hfs_ext_cache_extent+0x84/0x750 fs/hfs/extent.c:174
 hfs_ext_read_extent fs/hfs/extent.c:202 [inline]
 hfs_extend_file+0x264/0xf9c fs/hfs/extent.c:401
 hfs_get_block+0x2e8/0x9cc fs/hfs/extent.c:353
 __block_write_begin_int+0x34c/0x13b8 fs/buffer.c:1991
 __block_write_begin fs/buffer.c:2041 [inline]
 block_write_begin fs/buffer.c:2102 [inline]
 cont_write_begin+0x548/0x780 fs/buffer.c:2456
 hfs_write_begin+0x98/0xe4 fs/hfs/inode.c:58
 cont_expand_zero fs/buffer.c:2383 [inline]
 cont_write_begin+0x268/0x780 fs/buffer.c:2446
 hfs_write_begin+0x98/0xe4 fs/hfs/inode.c:58
 hfs_file_truncate+0x158/0x7ec fs/hfs/extent.c:494
 hfs_inode_setattr+0x3a0/0x5bc fs/hfs/inode.c:659
 notify_change+0xb0c/0xdcc fs/attr.c:499
 do_truncate+0x178/0x1f0 fs/open.c:65
 do_sys_ftruncate+0x284/0x31c fs/open.c:193
 __do_sys_ftruncate fs/open.c:204 [inline]
 __se_sys_ftruncate fs/open.c:202 [inline]
 __arm64_sys_ftruncate+0x60/0x74 fs/open.c:202
 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline]
 invoke_syscall+0x98/0x2bc arch/arm64/kernel/syscall.c:52
 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:140
 do_el0_svc+0x58/0x13c arch/arm64/kernel/syscall.c:204
 el0_svc+0x58/0x138 arch/arm64/kernel/entry-common.c:637
 el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655
 el0t_64_sync+0x18c/0x190 arch/arm64/kernel/entry.S:585