Extracting prog: 3m50.120441703s Minimizing prog: 11m53.098454351s Simplifying prog options: 3m1.056079944s Extracting C: 2m1.552588796s Simplifying C: 8m49.20743203s 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: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$hfs-creat-write$cgroup_type detailed listing: executing program 0: syz_mount_image$hfs(&(0x7f0000000480), &(0x7f0000000280)='\x13\x13w\xc5\xfc5\xd4\x14T\xd5\xd4\x1d)\xad\x1a`)Y\x81F\xe6\xbe\x16nA\xad\r\xbd@T\x03<\x9f3\xbb\xda\x82$\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', 0x30008c0, &(0x7f00000003c0)={[{@dir_umask={'dir_umask', 0x3d, 0x4}}, {@file_umask={'file_umask', 0x3d, 0x2e0}}, {@iocharset={'iocharset', 0x3d, 'macgreek'}}, {@codepage={'codepage', 0x3d, 'iso8859-6'}}, {@creator={'creator', 0x3d, "4ddd7175"}}]}, 0x11, 0x2e1, &(0x7f0000000ac0)="$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") r0 = creat(&(0x7f0000000000)='./bus\x00', 0x0) write$cgroup_type(r0, &(0x7f0000000200), 0x3e03000000) program did not crash single: failed to extract reproducer 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$hfs-creat-write$cgroup_type detailed listing: executing program 0: syz_mount_image$hfs(&(0x7f0000000480), &(0x7f0000000280)='\x13\x13w\xc5\xfc5\xd4\x14T\xd5\xd4\x1d)\xad\x1a`)Y\x81F\xe6\xbe\x16nA\xad\r\xbd@T\x03<\x9f3\xbb\xda\x82$\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', 0x30008c0, &(0x7f00000003c0)={[{@dir_umask={'dir_umask', 0x3d, 0x4}}, {@file_umask={'file_umask', 0x3d, 0x2e0}}, {@iocharset={'iocharset', 0x3d, 'macgreek'}}, {@codepage={'codepage', 0x3d, 'iso8859-6'}}, {@creator={'creator', 0x3d, "4ddd7175"}}]}, 0x11, 0x2e1, &(0x7f0000000ac0)="$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") r0 = creat(&(0x7f0000000000)='./bus\x00', 0x0) write$cgroup_type(r0, &(0x7f0000000200), 0x3e03000000) program crashed: possible deadlock in hfs_find_init single: successfully extracted reproducer found reproducer with 3 syscalls minimizing guilty program testing program (duration=2m1.85661986s, {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$hfs-creat detailed listing: executing program 0: syz_mount_image$hfs(&(0x7f0000000480), &(0x7f0000000280)='\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$\xa2\xf3\xd7r\xe7cnH\xb3<\xbfp\x83r\xe8\xf1\xb9\x93>\xc5\x12wC\xbe\"\x06 \x9e\xf0-\xf9\xcb\xf2\xf6\xe8\x80\xd38/\x00', 0x30008c0, &(0x7f00000003c0)={[{@dir_umask={'dir_umask', 0x3d, 0x4}}, {@file_umask={'file_umask', 0x3d, 0x2e0}}, {@iocharset={'iocharset', 0x3d, 'macgreek'}}, {@codepage={'codepage', 0x3d, 'iso8859-6'}}, {@creator={'creator', 0x3d, "4ddd7175"}}]}, 0x11, 0x2e1, &(0x7f0000000ac0)="$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") creat(&(0x7f0000000000)='./bus\x00', 0x0) program did not crash testing program (duration=2m1.85661986s, {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$hfs-write$cgroup_type detailed listing: executing program 0: syz_mount_image$hfs(&(0x7f0000000480), &(0x7f0000000280)='\x13\x13w\xc5\xfc5\xd4\x14T\xd5\xd4\x1d)\xad\x1a`)Y\x81F\xe6\xbe\x16nA\xad\r\xbd@T\x03<\x9f3\xbb\xda\x82$\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', 0x30008c0, &(0x7f00000003c0)={[{@dir_umask={'dir_umask', 0x3d, 0x4}}, {@file_umask={'file_umask', 0x3d, 0x2e0}}, {@iocharset={'iocharset', 0x3d, 'macgreek'}}, {@codepage={'codepage', 0x3d, 'iso8859-6'}}, {@creator={'creator', 0x3d, "4ddd7175"}}]}, 0x11, 0x2e1, &(0x7f0000000ac0)="$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") write$cgroup_type(0xffffffffffffffff, &(0x7f0000000200), 0x3e03000000) program did not crash testing program (duration=2m1.85661986s, {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}}): creat-write$cgroup_type detailed listing: executing program 0: r0 = creat(&(0x7f0000000000)='./bus\x00', 0x0) write$cgroup_type(r0, &(0x7f0000000200), 0x3e03000000) program did not crash testing program (duration=2m1.85661986s, {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$hfs-creat-write$cgroup_type detailed listing: executing program 0: syz_mount_image$hfs(&(0x7f0000000480), &(0x7f0000000280)='\x13\x13w\xc5\xfc5\xd4\x14T\xd5\xd4\x1d)\xad\x1a`)Y\x81F\xe6\xbe\x16nA\xad\r\xbd@T\x03<\x9f3\xbb\xda\x82$\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', 0x30008c0, &(0x7f00000003c0)={[{@dir_umask={'dir_umask', 0x3d, 0x4}}, {@file_umask={'file_umask', 0x3d, 0x2e0}}, {@iocharset={'iocharset', 0x3d, 'macgreek'}}, {@codepage={'codepage', 0x3d, 'iso8859-6'}}, {@creator={'creator', 0x3d, "4ddd7175"}}]}, 0x11, 0x2e1, &(0x7f0000000ac0)="$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") r0 = creat(0x0, 0x0) write$cgroup_type(r0, &(0x7f0000000200), 0x3e03000000) program did not crash testing program (duration=2m1.85661986s, {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$hfs-creat-write$cgroup_type detailed listing: executing program 0: syz_mount_image$hfs(&(0x7f0000000480), &(0x7f0000000280)='\x13\x13w\xc5\xfc5\xd4\x14T\xd5\xd4\x1d)\xad\x1a`)Y\x81F\xe6\xbe\x16nA\xad\r\xbd@T\x03<\x9f3\xbb\xda\x82$\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', 0x30008c0, &(0x7f00000003c0)={[{@dir_umask={'dir_umask', 0x3d, 0x4}}, {@file_umask={'file_umask', 0x3d, 0x2e0}}, {@iocharset={'iocharset', 0x3d, 'macgreek'}}, {@codepage={'codepage', 0x3d, 'iso8859-6'}}, {@creator={'creator', 0x3d, "4ddd7175"}}]}, 0x11, 0x2e1, &(0x7f0000000ac0)="$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") r0 = creat(&(0x7f0000000000)='./bus\x00', 0x0) write$cgroup_type(r0, 0x0, 0x0) program did not crash extracting C reproducer testing compiled C program (duration=2m1.85661986s, {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$hfs-creat-write$cgroup_type program did not crash simplifying guilty program options testing program (duration=2m1.85661986s, {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$hfs-creat-write$cgroup_type detailed listing: executing program 0: syz_mount_image$hfs(&(0x7f0000000480), &(0x7f0000000280)='\x13\x13w\xc5\xfc5\xd4\x14T\xd5\xd4\x1d)\xad\x1a`)Y\x81F\xe6\xbe\x16nA\xad\r\xbd@T\x03<\x9f3\xbb\xda\x82$\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', 0x30008c0, &(0x7f00000003c0)={[{@dir_umask={'dir_umask', 0x3d, 0x4}}, {@file_umask={'file_umask', 0x3d, 0x2e0}}, {@iocharset={'iocharset', 0x3d, 'macgreek'}}, {@codepage={'codepage', 0x3d, 'iso8859-6'}}, {@creator={'creator', 0x3d, "4ddd7175"}}]}, 0x11, 0x2e1, &(0x7f0000000ac0)="$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") r0 = creat(&(0x7f0000000000)='./bus\x00', 0x0) write$cgroup_type(r0, &(0x7f0000000200), 0x3e03000000) program crashed: possible deadlock in hfs_find_init extracting C reproducer testing compiled C program (duration=2m1.85661986s, {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$hfs-creat-write$cgroup_type program crashed: possible deadlock in hfs_find_init simplifying C reproducer testing compiled C program (duration=2m1.85661986s, {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$hfs-creat-write$cgroup_type program crashed: possible deadlock in hfs_find_init testing compiled C program (duration=2m1.85661986s, {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$hfs-creat-write$cgroup_type program crashed: possible deadlock in hfs_find_init testing compiled C program (duration=2m1.85661986s, {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$hfs-creat-write$cgroup_type program crashed: possible deadlock in hfs_find_init testing compiled C program (duration=2m1.85661986s, {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$hfs-creat-write$cgroup_type program crashed: possible deadlock in hfs_find_init testing compiled C program (duration=2m1.85661986s, {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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$hfs-creat-write$cgroup_type program crashed: possible deadlock in hfs_find_init testing compiled C program (duration=2m1.85661986s, {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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$hfs-creat-write$cgroup_type program crashed: possible deadlock in hfs_find_init testing program (duration=2m1.85661986s, {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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$hfs-creat-write$cgroup_type detailed listing: executing program 0: syz_mount_image$hfs(&(0x7f0000000480), &(0x7f0000000280)='\x13\x13w\xc5\xfc5\xd4\x14T\xd5\xd4\x1d)\xad\x1a`)Y\x81F\xe6\xbe\x16nA\xad\r\xbd@T\x03<\x9f3\xbb\xda\x82$\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', 0x30008c0, &(0x7f00000003c0)={[{@dir_umask={'dir_umask', 0x3d, 0x4}}, {@file_umask={'file_umask', 0x3d, 0x2e0}}, {@iocharset={'iocharset', 0x3d, 'macgreek'}}, {@codepage={'codepage', 0x3d, 'iso8859-6'}}, {@creator={'creator', 0x3d, "4ddd7175"}}]}, 0x11, 0x2e1, &(0x7f0000000ac0)="$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") r0 = creat(&(0x7f0000000000)='./bus\x00', 0x0) write$cgroup_type(r0, &(0x7f0000000200), 0x3e03000000) program crashed: possible deadlock in hfs_find_init validation run: crashed=true testing program (duration=2m1.85661986s, {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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$hfs-creat-write$cgroup_type detailed listing: executing program 0: syz_mount_image$hfs(&(0x7f0000000480), &(0x7f0000000280)='\x13\x13w\xc5\xfc5\xd4\x14T\xd5\xd4\x1d)\xad\x1a`)Y\x81F\xe6\xbe\x16nA\xad\r\xbd@T\x03<\x9f3\xbb\xda\x82$\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', 0x30008c0, &(0x7f00000003c0)={[{@dir_umask={'dir_umask', 0x3d, 0x4}}, {@file_umask={'file_umask', 0x3d, 0x2e0}}, {@iocharset={'iocharset', 0x3d, 'macgreek'}}, {@codepage={'codepage', 0x3d, 'iso8859-6'}}, {@creator={'creator', 0x3d, "4ddd7175"}}]}, 0x11, 0x2e1, &(0x7f0000000ac0)="$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") r0 = creat(&(0x7f0000000000)='./bus\x00', 0x0) write$cgroup_type(r0, &(0x7f0000000200), 0x3e03000000) program crashed: possible deadlock in hfs_find_init validation run: crashed=true testing program (duration=2m1.85661986s, {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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$hfs-creat-write$cgroup_type detailed listing: executing program 0: syz_mount_image$hfs(&(0x7f0000000480), &(0x7f0000000280)='\x13\x13w\xc5\xfc5\xd4\x14T\xd5\xd4\x1d)\xad\x1a`)Y\x81F\xe6\xbe\x16nA\xad\r\xbd@T\x03<\x9f3\xbb\xda\x82$\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', 0x30008c0, &(0x7f00000003c0)={[{@dir_umask={'dir_umask', 0x3d, 0x4}}, {@file_umask={'file_umask', 0x3d, 0x2e0}}, {@iocharset={'iocharset', 0x3d, 'macgreek'}}, {@codepage={'codepage', 0x3d, 'iso8859-6'}}, {@creator={'creator', 0x3d, "4ddd7175"}}]}, 0x11, 0x2e1, &(0x7f0000000ac0)="$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") r0 = creat(&(0x7f0000000000)='./bus\x00', 0x0) write$cgroup_type(r0, &(0x7f0000000200), 0x3e03000000) program crashed: possible deadlock in hfs_find_init validation run: crashed=true reproducing took 34m42.480670607s repro crashed as (corrupted=false): WARNING: The mand mount option has been deprecated and and is ignored by this kernel. Remove the mand option from the mount to silence this warning. ======================================================= ============================================ WARNING: possible recursive locking detected syzkaller #0 Not tainted -------------------------------------------- syz.0.17/5834 is trying to acquire lock: ffff888034b660a8 (&tree->tree_lock/1){+.+.}-{4:4}, at: hfs_find_init+0x273/0x330 fs/hfs/bfind.c:36 but task is already holding lock: ffff888034b660a8 (&tree->tree_lock/1){+.+.}-{4:4}, at: hfs_find_init+0x273/0x330 fs/hfs/bfind.c:36 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 locks held by syz.0.17/5834: 5, last CPU#0: #0: ffff88802c1c6460 (sb_writers#12){.+.+}-{0:0}, at: ksys_write+0x12a/0x250 fs/read_write.c:739 #1: ffff88807abeb040 (&sb->s_type->i_mutex_key#25){+.+.}-{4:4}, at: inode_lock include/linux/fs.h:1024 [inline] #1: ffff88807abeb040 (&sb->s_type->i_mutex_key#25){+.+.}-{4:4}, at: generic_file_write_iter+0x8c/0x390 mm/filemap.c:4514 #2: ffff88807abeaea0 (&HFS_I(inode)->extents_lock){+.+.}-{4:4}, at: hfs_extend_file+0xa6/0xd30 fs/hfs/extent.c:397 #3: ffff888034b660a8 (&tree->tree_lock/1){+.+.}-{4:4}, at: hfs_find_init+0x273/0x330 fs/hfs/bfind.c:36 #4: ffff88807abebfe0 (&HFS_I(tree->inode)->extents_lock){+.+.}-{4:4}, at: hfs_extend_file+0xa6/0xd30 fs/hfs/extent.c:397 stack backtrace: CPU: 0 UID: 0 PID: 5834 Comm: syz.0.17 Not tainted syzkaller #0 PREEMPT(full) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/16/2026 Call Trace: __dump_stack lib/dump_stack.c:94 [inline] dump_stack_lvl+0x100/0x190 lib/dump_stack.c:120 print_deadlock_bug.cold+0xbd/0xca kernel/locking/lockdep.c:3085 check_deadlock kernel/locking/lockdep.c:3137 [inline] validate_chain kernel/locking/lockdep.c:3939 [inline] __lock_acquire+0x13f4/0x1f40 kernel/locking/lockdep.c:5288 lock_acquire kernel/locking/lockdep.c:5942 [inline] lock_acquire+0x1d1/0x380 kernel/locking/lockdep.c:5899 __mutex_lock_common kernel/locking/mutex.c:646 [inline] __mutex_lock+0x1a4/0x1bd0 kernel/locking/mutex.c:821 hfs_find_init+0x273/0x330 fs/hfs/bfind.c:36 hfs_ext_read_extent+0x1a3/0x9e0 fs/hfs/extent.c:200 hfs_extend_file+0x4ff/0xd30 fs/hfs/extent.c:401 hfs_bmap_reserve+0x2a9/0x3a0 fs/hfs/btree.c:399 __hfs_ext_write_extent+0x3c4/0x510 fs/hfs/extent.c:121 __hfs_ext_cache_extent fs/hfs/extent.c:174 [inline] hfs_ext_read_extent+0x80b/0x9e0 fs/hfs/extent.c:202 hfs_extend_file+0x4ff/0xd30 fs/hfs/extent.c:401 hfs_get_block+0x17f/0x840 fs/hfs/extent.c:353 __block_write_begin_int+0x57a/0x19c0 fs/buffer.c:2030 block_write_begin+0x9d/0x1d0 fs/buffer.c:2144 cont_write_begin+0x573/0xa10 fs/buffer.c:2506 hfs_write_begin+0x143/0x260 fs/hfs/inode.c:62 generic_perform_write+0x292/0xa40 mm/filemap.c:4374 __generic_file_write_iter+0x1f7/0x240 mm/filemap.c:4491 generic_file_write_iter+0xe1/0x390 mm/filemap.c:4517 new_sync_write fs/read_write.c:595 [inline] vfs_write+0x6af/0x1050 fs/read_write.c:687 ksys_write+0x12a/0x250 fs/read_write.c:739 do_syscall_x64 arch/x86/entry/syscall_64.c:61 [inline] do_syscall_64+0x123/0x790 arch/x86/entry/syscall_64.c:84 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f079319e1d9 Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007ffc9c796288 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 RAX: ffffffffffffffda RBX: 00007f0793425fa0 RCX: 00007f079319e1d9 RDX: 0000003e03000000 RSI: 0000200000000200 RDI: 0000000000000004 RBP: 00007f0793235888 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f0793425fac R14: 00007f0793425fa0 R15: 00007f0793425fa0 final repro crashed as (corrupted=false): WARNING: The mand mount option has been deprecated and and is ignored by this kernel. Remove the mand option from the mount to silence this warning. ======================================================= ============================================ WARNING: possible recursive locking detected syzkaller #0 Not tainted -------------------------------------------- syz.0.17/5834 is trying to acquire lock: ffff888034b660a8 (&tree->tree_lock/1){+.+.}-{4:4}, at: hfs_find_init+0x273/0x330 fs/hfs/bfind.c:36 but task is already holding lock: ffff888034b660a8 (&tree->tree_lock/1){+.+.}-{4:4}, at: hfs_find_init+0x273/0x330 fs/hfs/bfind.c:36 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 locks held by syz.0.17/5834: 5, last CPU#0: #0: ffff88802c1c6460 (sb_writers#12){.+.+}-{0:0}, at: ksys_write+0x12a/0x250 fs/read_write.c:739 #1: ffff88807abeb040 (&sb->s_type->i_mutex_key#25){+.+.}-{4:4}, at: inode_lock include/linux/fs.h:1024 [inline] #1: ffff88807abeb040 (&sb->s_type->i_mutex_key#25){+.+.}-{4:4}, at: generic_file_write_iter+0x8c/0x390 mm/filemap.c:4514 #2: ffff88807abeaea0 (&HFS_I(inode)->extents_lock){+.+.}-{4:4}, at: hfs_extend_file+0xa6/0xd30 fs/hfs/extent.c:397 #3: ffff888034b660a8 (&tree->tree_lock/1){+.+.}-{4:4}, at: hfs_find_init+0x273/0x330 fs/hfs/bfind.c:36 #4: ffff88807abebfe0 (&HFS_I(tree->inode)->extents_lock){+.+.}-{4:4}, at: hfs_extend_file+0xa6/0xd30 fs/hfs/extent.c:397 stack backtrace: CPU: 0 UID: 0 PID: 5834 Comm: syz.0.17 Not tainted syzkaller #0 PREEMPT(full) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/16/2026 Call Trace: __dump_stack lib/dump_stack.c:94 [inline] dump_stack_lvl+0x100/0x190 lib/dump_stack.c:120 print_deadlock_bug.cold+0xbd/0xca kernel/locking/lockdep.c:3085 check_deadlock kernel/locking/lockdep.c:3137 [inline] validate_chain kernel/locking/lockdep.c:3939 [inline] __lock_acquire+0x13f4/0x1f40 kernel/locking/lockdep.c:5288 lock_acquire kernel/locking/lockdep.c:5942 [inline] lock_acquire+0x1d1/0x380 kernel/locking/lockdep.c:5899 __mutex_lock_common kernel/locking/mutex.c:646 [inline] __mutex_lock+0x1a4/0x1bd0 kernel/locking/mutex.c:821 hfs_find_init+0x273/0x330 fs/hfs/bfind.c:36 hfs_ext_read_extent+0x1a3/0x9e0 fs/hfs/extent.c:200 hfs_extend_file+0x4ff/0xd30 fs/hfs/extent.c:401 hfs_bmap_reserve+0x2a9/0x3a0 fs/hfs/btree.c:399 __hfs_ext_write_extent+0x3c4/0x510 fs/hfs/extent.c:121 __hfs_ext_cache_extent fs/hfs/extent.c:174 [inline] hfs_ext_read_extent+0x80b/0x9e0 fs/hfs/extent.c:202 hfs_extend_file+0x4ff/0xd30 fs/hfs/extent.c:401 hfs_get_block+0x17f/0x840 fs/hfs/extent.c:353 __block_write_begin_int+0x57a/0x19c0 fs/buffer.c:2030 block_write_begin+0x9d/0x1d0 fs/buffer.c:2144 cont_write_begin+0x573/0xa10 fs/buffer.c:2506 hfs_write_begin+0x143/0x260 fs/hfs/inode.c:62 generic_perform_write+0x292/0xa40 mm/filemap.c:4374 __generic_file_write_iter+0x1f7/0x240 mm/filemap.c:4491 generic_file_write_iter+0xe1/0x390 mm/filemap.c:4517 new_sync_write fs/read_write.c:595 [inline] vfs_write+0x6af/0x1050 fs/read_write.c:687 ksys_write+0x12a/0x250 fs/read_write.c:739 do_syscall_x64 arch/x86/entry/syscall_64.c:61 [inline] do_syscall_64+0x123/0x790 arch/x86/entry/syscall_64.c:84 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f079319e1d9 Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007ffc9c796288 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 RAX: ffffffffffffffda RBX: 00007f0793425fa0 RCX: 00007f079319e1d9 RDX: 0000003e03000000 RSI: 0000200000000200 RDI: 0000000000000004 RBP: 00007f0793235888 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f0793425fac R14: 00007f0793425fa0 R15: 00007f0793425fa0