Extracting prog: 7m24.301160271s
Minimizing prog: 12m9.556298127s
Simplifying prog options: 0s
Extracting C: 2m0.70610893s
Simplifying C: 28m41.556691465s


extracting reproducer from 31 programs
testing a last program of every proc
single: executing 6 programs separately with timeout 30s
testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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_open_dev$tty1-bpf$BPF_PROG_RAW_TRACEPOINT_LOAD-bpf$BPF_RAW_TRACEPOINT_OPEN-bpf$BPF_PROG_RAW_TRACEPOINT_LOAD-bpf$BPF_RAW_TRACEPOINT_OPEN-prlimit64-sched_setscheduler-getpid-sched_setscheduler-mmap-socketpair$unix-connect$unix-sendmmsg$unix-recvmmsg-sched_setscheduler-socket$tipc-bind$tipc-bind$tipc-bind$tipc-sendmsg$tipc-socket-socket$inet-getsockopt$inet_sctp_SCTP_MAX_BURST-ioctl$TIOCL_PASTESEL-setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_REM-recvfrom$rose
detailed listing:
executing program 0:
r0 = syz_open_dev$tty1(0xc, 0x4, 0x1)
bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f00000013c0)={0x18, 0x3, &(0x7f0000000080)=ANY=[], &(0x7f0000000000)='syzkaller\x00'}, 0x94)
bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, 0x0, 0x0)
r1 = bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000200)={0x18, 0x4, &(0x7f00000002c0)=ANY=[@ANYBLOB="18010000000000000000000000000000850000"], &(0x7f0000000100)='GPL\x00', 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, 0x2}, 0x94)
bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f0000000080)={&(0x7f0000000000)='sched_switch\x00', r1}, 0x10)
prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x88}, 0x0)
sched_setscheduler(0x0, 0x1, &(0x7f0000000240)=0x7)
r2 = getpid()
sched_setscheduler(r2, 0x2, &(0x7f0000000200)=0x7)
mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x0)
socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000200)={<r3=>0xffffffffffffffff, <r4=>0xffffffffffffffff})
connect$unix(r3, &(0x7f000057eff8)=@abs, 0x6e)
sendmmsg$unix(r4, &(0x7f0000000000), 0x651, 0x0)
recvmmsg(r3, &(0x7f00000000c0), 0x10106, 0x2, 0x0)
sched_setscheduler(0x0, 0x2, &(0x7f0000000000)=0x6)
r5 = socket$tipc(0x1e, 0x2, 0x0)
bind$tipc(r5, &(0x7f00000001c0)=@nameseq={0x1e, 0x1, 0x0, {0x42, 0x2, 0x10000000}}, 0x10)
bind$tipc(r5, &(0x7f0000000080)=@name={0x1e, 0x2, 0x0, {{0x42, 0x1}}}, 0x10)
bind$tipc(r5, &(0x7f00000000c0)=@nameseq={0x1e, 0x1, 0x0, {0x0, 0x0, 0x4}}, 0x10)
sendmsg$tipc(r5, &(0x7f0000002340)={&(0x7f0000000000)=@nameseq={0x1e, 0x1, 0x0, {0x42, 0x4, 0x4}}, 0x10, 0x0}, 0x0)
r6 = socket(0x2, 0x80805, 0x0)
r7 = socket$inet(0x2, 0x80001, 0x84)
getsockopt$inet_sctp_SCTP_MAX_BURST(r7, 0x84, 0x14, &(0x7f0000000000)=@assoc_value, &(0x7f0000000040)=0x8)
ioctl$TIOCL_PASTESEL(r0, 0x541c, &(0x7f0000000000))
setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_REM(r6, 0x84, 0x65, &(0x7f0000000180)=[@in={0x2, 0x4e24, @loopback}], 0x10)
recvfrom$rose(r6, &(0x7f0000000300)=""/66, 0x42, 0x41, &(0x7f0000000380)=@full={0xb, @remote={0xcc, 0xcc, 0xcc, 0xcc, 0x1}, @default, 0x3, [@rose={0xbb, 0xbb, 0xbb, 0x1, 0x0}, @rose={0xbb, 0xbb, 0xbb, 0x1, 0x0}, @bcast, @bcast, @bcast, @rose={0xbb, 0xbb, 0xbb, 0x1, 0x0}]}, 0x40)

program did not crash
testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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}}): socket$pppl2tp-socket$inet6_udp-connect$pppl2tp-syz_genetlink_get_family_id$l2tp-socket$nl_generic-sendmsg$L2TP_CMD_SESSION_DELETE-bind$inet6-syz_emit_ethernet-sched_setaffinity
detailed listing:
executing program 0:
r0 = socket$pppl2tp(0x18, 0x1, 0x1)
r1 = socket$inet6_udp(0xa, 0x2, 0x0)
connect$pppl2tp(r0, &(0x7f0000000740)=@pppol2tpv3={0x18, 0x1, {0x3, r1, {0x2, 0x4e23, @broadcast}, 0x2, 0x0, 0x4}}, 0x2e)
r2 = syz_genetlink_get_family_id$l2tp(&(0x7f00000005c0), 0xffffffffffffffff)
r3 = socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$L2TP_CMD_SESSION_DELETE(r3, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000240)={0x34, r2, 0x1, 0x1070bd0c, 0x4, {0x5}, [@L2TP_ATTR_CONN_ID={0x8, 0x9, 0x2}, @L2TP_ATTR_PEER_SESSION_ID={0x8, 0xc, 0xaa8}, @L2TP_ATTR_SESSION_ID={0x8}, @L2TP_ATTR_PW_TYPE={0x6, 0x1, 0x5}]}, 0x34}, 0x1, 0x0, 0x0, 0x40811}, 0x20)
bind$inet6(r1, &(0x7f0000000000)={0xa, 0xe22, 0x0, @empty}, 0x1c)
syz_emit_ethernet(0x5c, &(0x7f0000000480)={@link_local={0x1, 0x80, 0xc2, 0x0, 0x0, 0xe}, @dev={'\xaa\xaa\xaa\xaa\xaa', 0x26}, @val={@void}, {@ipv6={0x86dd, @udp={0x0, 0x6, "010100", 0x22, 0x11, 0xff, @remote, @local, {[], {0x0, 0xe22, 0x22, 0x0, @gue={{0x2, 0x0, 0x0, 0x3}, "301ce602000079dea6b6f056d75cddf97abb"}}}}}}}, 0x0)
sched_setaffinity(0x0, 0x0, 0x0)

program did not crash
testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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}}): socket$inet6-socket$nl_xfrm-prlimit64-sched_setscheduler-getpid-sched_setscheduler-mmap-socketpair$unix-connect$unix-sendmmsg$unix-recvmmsg-sched_setscheduler-sendmsg$nl_xfrm-sendmsg$nl_xfrm-socket$packet-setsockopt$SO_ATTACH_FILTER-socket$inet6_icmp_raw-setsockopt$inet6_opts-socket$inet6_icmp_raw-sendmsg$nl_route_sched-bpf$BPF_PROG_TEST_RUN-bpf$PROG_LOAD-bpf$BPF_PROG_TEST_RUN-ioctl$SIOCGSTAMP-connect$inet6-sendto$inet6-recvmsg-syz_usb_connect
detailed listing:
executing program 0:
socket$inet6(0xa, 0x3, 0x3c)
r0 = socket$nl_xfrm(0x10, 0x3, 0x6)
prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x88}, 0x0)
sched_setscheduler(0x0, 0x2, &(0x7f00000003c0)=0x7)
r1 = getpid()
sched_setscheduler(r1, 0x2, &(0x7f0000000200)=0x7)
mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x0)
socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000200)={<r2=>0xffffffffffffffff, <r3=>0xffffffffffffffff})
connect$unix(r2, &(0x7f000057eff8)=@abs, 0x6e)
sendmmsg$unix(r3, &(0x7f0000000000), 0x651, 0x0)
recvmmsg(r2, &(0x7f00000000c0), 0x10106, 0x2, 0x0)
sched_setscheduler(0x0, 0x2, &(0x7f0000000000)=0x6)
sendmsg$nl_xfrm(0xffffffffffffffff, 0x0, 0x0)
sendmsg$nl_xfrm(r0, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000440)={&(0x7f0000000000)=ANY=[], 0x188}}, 0x0)
r4 = socket$packet(0x11, 0xa, 0x300)
setsockopt$SO_ATTACH_FILTER(r4, 0x1, 0x1a, &(0x7f0000fbe000)={0x2, &(0x7f00000004c0)=[{0x28, 0x0, 0x5, 0xfffff034}, {0x80000006, 0x0, 0x12, 0xf9}]}, 0x10)
r5 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a)
setsockopt$inet6_opts(r5, 0x29, 0x4d, &(0x7f0000000140)=ANY=[@ANYRESDEC], 0x8)
r6 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a)
sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={0x0}, 0x1, 0x0, 0x0, 0x4000}, 0x0)
bpf$BPF_PROG_TEST_RUN(0xa, &(0x7f0000000080)={0xffffffffffffffff, 0x18000000000002a0, 0x7, 0x0, &(0x7f00000002c0)="b9ff0307600300", 0x0, 0x5da0, 0x60000000, 0x0, 0x0, 0x0, 0x0}, 0x50)
r7 = bpf$PROG_LOAD(0x5, &(0x7f00000000c0)={0x3, 0xc, &(0x7f0000000000)=ANY=[@ANYBLOB="180000000000000000000000000000008500000022000000180100002020702500000000002020207b0af8ff00000000bfa100000000000007010000f8ffffffb702000008000000b703000000000000850000001700000095"], &(0x7f0000000200)='GPL\x00', 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, @sched_cls, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x90)
bpf$BPF_PROG_TEST_RUN(0xa, &(0x7f0000000240)={r7, 0x0, 0xe40, 0xe40, &(0x7f00000002c0)='\x00\x00\x00\x00\x00\x00\x00\x00', &(0x7f0000000300)=""/8, 0x2, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x4c)
ioctl$SIOCGSTAMP(r5, 0x8906, 0x0)
connect$inet6(r6, &(0x7f0000000100)={0xa, 0x0, 0x0, @mcast2, 0x5}, 0x1c)
sendto$inet6(r6, 0x0, 0x0, 0x0, 0x0, 0x0)
recvmsg(r5, &(0x7f0000000080)={0x0, 0x0, 0x0}, 0x20)
syz_usb_connect(0x0, 0x48, &(0x7f0000000000)=ANY=[@ANYBLOB="12010000183b9220b11342002b58010203010902360002000000000904ca57b67a8bb50009050200ff"], 0x0)

program did not crash
testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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(&(0x7f0000002c80), &(0x7f00000003c0)='./bus\x00', 0x4680, &(0x7f0000000000)=ANY=[@ANYRES8=0x0, @ANYRESHEX], 0xfd, 0x2a1, &(0x7f0000000400)="$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")
creat(&(0x7f0000000100)='./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa\x00', 0x194)

program crashed: kernel BUG in hfs_write_inode
single: successfully extracted reproducer
found reproducer with 2 syscalls
minimizing guilty program
testing program (duration=45.466018161s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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$hfs
detailed listing:
executing program 0:
syz_mount_image$hfs(&(0x7f0000002c80), &(0x7f00000003c0)='./bus\x00', 0x4680, &(0x7f0000000000)=ANY=[@ANYRES8=0x0, @ANYRESHEX], 0xfd, 0x2a1, &(0x7f0000000400)="$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")

program did not crash
testing program (duration=45.466018161s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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
detailed listing:
executing program 0:
creat(&(0x7f0000000100)='./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa\x00', 0x194)

program did not crash
testing program (duration=45.466018161s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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(&(0x7f0000002c80), &(0x7f00000003c0)='./bus\x00', 0x4680, &(0x7f0000000000)=ANY=[@ANYRES8=0x0, @ANYRESHEX], 0xfd, 0x2a1, &(0x7f0000000400)="$eJzs3b9u01wYx/HfcdI270tV3D8ICTEVKjGhtgwglkqod8DChChNkKpaRYIi0U6BGXEB7NwCF8DIVDEjsTExMBaWoHN8Quw0jpMoqZP0+5ESJfZ57OfYxz1+UrURgAvrwfb3j3d+2IeRSipJui8FkipSWdIVXa28OjjcO4xq1W4bKrkI+zClrDa7B7VOi22c25cX2ndlzSeXYTQq31QvOgcUz139HQTSnL863frKuWc2Ghd90JtTneq1ForOAwBQLD//B36en48XKQikNT/tp+f/yZ5Aza+GU3QeI/M5Z31i/ndVVsPY83vZrWrVe3YI6K4PcVWi9KfvgzareGSlbjBNXlXpcgn+e7YX1W7vPo+qgd5qy5tpNVtxz9V46DY1a1r7+s3ZTa/GHfOZ5UpurT+XXB9mbB82g5NW/okmy8PdYz7zxZyYxybUB1X/3f+VG8YeDHc8wrYzFee/nr1F18tZuVbJs5Rosuh2ci19xLv2sqSMikTN87ao9AcEYV6eLmqpLSru3UZO1HLHqM2cqJX2qNZozo4cNfPePDKr+qlP2k7c/wf2aK+plyvTtnEt/cjo2p+yaxm6+cRfdfXrHVsGg/YIA3inp7qnhZdHx/s7UVR7MbUv7JU4BmkcHe//boxFGjtR1BwE45LP1L6wB7mQvTfnncG3U9hPJpyj1knvM5DfzUwLe99l4vovUa+su5s1+xSm79PnkrG5tWBiixsZtcGSe/4/u4JLMVJdjczKoK3m6rxHV3PduCXd7GWPsdDnOX62Bgky2/qqJ3z+DwAAAAAAAAAAAAAAAAAAMGmG9ycHFWWtKrqPAAAAAAAAAAAAAAAAAAAAAABMulF8/6//7/DmTJtevv/3oeJ3Zc1rZhg9BJDlbwAAAP//e1SAFg==")
creat(0x0, 0x194)

program did not crash
testing program (duration=45.466018161s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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(&(0x7f0000002c80), &(0x7f00000003c0)='./bus\x00', 0x4680, &(0x7f0000000000)=ANY=[@ANYRES8=0x0, @ANYRESHEX], 0xfd, 0x2a1, &(0x7f0000000400)="$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")
creat(&(0x7f0000000100)='./file0\x00', 0x194)

program crashed: kernel BUG in hfs_write_inode
extracting C reproducer
testing compiled C program (duration=45.466018161s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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$hfs-creat
program crashed: kernel BUG in hfs_write_inode
simplifying C reproducer
testing compiled C program (duration=45.466018161s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$hfs-creat
program crashed: kernel BUG in hfs_write_inode
testing compiled C program (duration=45.466018161s, {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$hfs-creat
program crashed: kernel BUG in hfs_write_inode
testing compiled C program (duration=45.466018161s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:true Sysctl:true Swap:false UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$hfs-creat
program did not crash
testing compiled C program (duration=45.466018161s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false 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$hfs-creat
program crashed: kernel BUG in hfs_write_inode
testing compiled C program (duration=45.466018161s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$hfs-creat
program crashed: kernel BUG in hfs_write_inode
testing compiled C program (duration=45.466018161s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false 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$hfs-creat
program crashed: kernel BUG in hfs_write_inode
testing compiled C program (duration=45.466018161s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$hfs-creat
program crashed: kernel BUG in hfs_write_inode
testing compiled C program (duration=45.466018161s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none 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: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$hfs-creat
program crashed: kernel BUG in hfs_write_inode
testing compiled C program (duration=45.466018161s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$hfs-creat
program crashed: kernel BUG in hfs_write_inode
testing compiled C program (duration=45.466018161s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none 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:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$hfs-creat
program crashed: kernel BUG in hfs_write_inode
testing compiled C program (duration=45.466018161s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$hfs-creat
program crashed: kernel BUG in hfs_write_inode
testing compiled C program (duration=45.466018161s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none 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:true UseTmpDir:false HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$hfs-creat
program crashed: kernel BUG in hfs_write_inode
testing compiled C program (duration=45.466018161s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$hfs-creat
program crashed: kernel BUG in hfs_write_inode
testing compiled C program (duration=45.466018161s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none 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:true UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$hfs-creat
program crashed: kernel BUG in hfs_write_inode
testing compiled C program (duration=45.466018161s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$hfs-creat
program crashed: kernel BUG in hfs_write_inode
testing program (duration=45.466018161s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none 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$hfs-creat
detailed listing:
executing program 0:
syz_mount_image$hfs(&(0x7f0000002c80), &(0x7f00000003c0)='./bus\x00', 0x4680, &(0x7f0000000000)=ANY=[@ANYRES8=0x0, @ANYRESHEX], 0xfd, 0x2a1, &(0x7f0000000400)="$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")
creat(&(0x7f0000000100)='./file0\x00', 0x194)

program crashed: kernel BUG in hfs_write_inode
validation run: crashed=true
testing program (duration=45.466018161s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none 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$hfs-creat
detailed listing:
executing program 0:
syz_mount_image$hfs(&(0x7f0000002c80), &(0x7f00000003c0)='./bus\x00', 0x4680, &(0x7f0000000000)=ANY=[@ANYRES8=0x0, @ANYRESHEX], 0xfd, 0x2a1, &(0x7f0000000400)="$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")
creat(&(0x7f0000000100)='./file0\x00', 0x194)

program crashed: kernel BUG in hfs_write_inode
validation run: crashed=true
testing program (duration=45.466018161s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none 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$hfs-creat
detailed listing:
executing program 0:
syz_mount_image$hfs(&(0x7f0000002c80), &(0x7f00000003c0)='./bus\x00', 0x4680, &(0x7f0000000000)=ANY=[@ANYRES8=0x0, @ANYRESHEX], 0xfd, 0x2a1, &(0x7f0000000400)="$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")
creat(&(0x7f0000000100)='./file0\x00', 0x194)

program crashed: kernel BUG in hfs_write_inode
validation run: crashed=true
reproducing took 56m17.038197867s
repro crashed as (corrupted=false):
------------[ cut here ]------------
kernel BUG at fs/hfs/inode.c:449!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
CPU: 1 PID: 2939 Comm: kworker/u4:9 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
Workqueue: writeback wb_workfn (flush-7:0)
RIP: 0010:hfs_write_inode+0x7c4/0x7d0 fs/hfs/inode.c:449
Code: c7 c1 00 03 ef 96 80 e1 07 80 c1 03 38 c1 0f 8c 7d fe ff ff 48 c7 c7 00 03 ef 96 e8 d6 d1 85 ff e9 6c fe ff ff e8 cc 86 2e ff <0f> 0b 66 2e 0f 1f 84 00 00 00 00 00 f3 0f 1e fa 55 41 57 41 56 41
RSP: 0018:ffffc9000bb77360 EFLAGS: 00010293
RAX: ffffffff825710d4 RBX: ffff88802bd28ea8 RCX: ffff88802b628000
RDX: 0000000000000000 RSI: ffffffff8cf36a60 RDI: 0000000000000000
RBP: ffffc9000bb774f0 R08: ffff88802b628000 R09: 0000000000000003
R10: 0000000000000004 R11: 0000000000000000 R12: dffffc0000000000
R13: 1ffff9200176ee70 R14: ffff88802bd28e58 R15: 0000000000000000
FS:  0000000000000000(0000) GS:ffff8880b8f00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ffff4588d08 CR3: 0000000030078000 CR4: 00000000003506e0
Call Trace:
 <TASK>
 write_inode fs/fs-writeback.c:1473 [inline]
 __writeback_single_inode+0x705/0xee0 fs/fs-writeback.c:1690
 writeback_sb_inodes+0x77c/0xef0 fs/fs-writeback.c:1916
 wb_writeback+0x450/0xba0 fs/fs-writeback.c:2095
 wb_do_writeback fs/fs-writeback.c:2242 [inline]
 wb_workfn+0x3ff/0xe20 fs/fs-writeback.c:2282
 process_one_work kernel/workqueue.c:2634 [inline]
 process_scheduled_works+0xa45/0x15b0 kernel/workqueue.c:2711
 worker_thread+0xa55/0xfc0 kernel/workqueue.c:2792
 kthread+0x2fa/0x390 kernel/kthread.c:388
 ret_from_fork+0x48/0x80 arch/x86/kernel/process.c:152
 ret_from_fork_asm+0x11/0x20 arch/x86/entry/entry_64.S:293
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:hfs_write_inode+0x7c4/0x7d0 fs/hfs/inode.c:449
Code: c7 c1 00 03 ef 96 80 e1 07 80 c1 03 38 c1 0f 8c 7d fe ff ff 48 c7 c7 00 03 ef 96 e8 d6 d1 85 ff e9 6c fe ff ff e8 cc 86 2e ff <0f> 0b 66 2e 0f 1f 84 00 00 00 00 00 f3 0f 1e fa 55 41 57 41 56 41
RSP: 0018:ffffc9000bb77360 EFLAGS: 00010293
RAX: ffffffff825710d4 RBX: ffff88802bd28ea8 RCX: ffff88802b628000
RDX: 0000000000000000 RSI: ffffffff8cf36a60 RDI: 0000000000000000
RBP: ffffc9000bb774f0 R08: ffff88802b628000 R09: 0000000000000003
R10: 0000000000000004 R11: 0000000000000000 R12: dffffc0000000000
R13: 1ffff9200176ee70 R14: ffff88802bd28e58 R15: 0000000000000000
FS:  0000000000000000(0000) GS:ffff8880b8f00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ffff4588d08 CR3: 0000000030078000 CR4: 00000000003506e0

final repro crashed as (corrupted=false):
------------[ cut here ]------------
kernel BUG at fs/hfs/inode.c:449!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
CPU: 1 PID: 2939 Comm: kworker/u4:9 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
Workqueue: writeback wb_workfn (flush-7:0)
RIP: 0010:hfs_write_inode+0x7c4/0x7d0 fs/hfs/inode.c:449
Code: c7 c1 00 03 ef 96 80 e1 07 80 c1 03 38 c1 0f 8c 7d fe ff ff 48 c7 c7 00 03 ef 96 e8 d6 d1 85 ff e9 6c fe ff ff e8 cc 86 2e ff <0f> 0b 66 2e 0f 1f 84 00 00 00 00 00 f3 0f 1e fa 55 41 57 41 56 41
RSP: 0018:ffffc9000bb77360 EFLAGS: 00010293
RAX: ffffffff825710d4 RBX: ffff88802bd28ea8 RCX: ffff88802b628000
RDX: 0000000000000000 RSI: ffffffff8cf36a60 RDI: 0000000000000000
RBP: ffffc9000bb774f0 R08: ffff88802b628000 R09: 0000000000000003
R10: 0000000000000004 R11: 0000000000000000 R12: dffffc0000000000
R13: 1ffff9200176ee70 R14: ffff88802bd28e58 R15: 0000000000000000
FS:  0000000000000000(0000) GS:ffff8880b8f00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ffff4588d08 CR3: 0000000030078000 CR4: 00000000003506e0
Call Trace:
 <TASK>
 write_inode fs/fs-writeback.c:1473 [inline]
 __writeback_single_inode+0x705/0xee0 fs/fs-writeback.c:1690
 writeback_sb_inodes+0x77c/0xef0 fs/fs-writeback.c:1916
 wb_writeback+0x450/0xba0 fs/fs-writeback.c:2095
 wb_do_writeback fs/fs-writeback.c:2242 [inline]
 wb_workfn+0x3ff/0xe20 fs/fs-writeback.c:2282
 process_one_work kernel/workqueue.c:2634 [inline]
 process_scheduled_works+0xa45/0x15b0 kernel/workqueue.c:2711
 worker_thread+0xa55/0xfc0 kernel/workqueue.c:2792
 kthread+0x2fa/0x390 kernel/kthread.c:388
 ret_from_fork+0x48/0x80 arch/x86/kernel/process.c:152
 ret_from_fork_asm+0x11/0x20 arch/x86/entry/entry_64.S:293
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:hfs_write_inode+0x7c4/0x7d0 fs/hfs/inode.c:449
Code: c7 c1 00 03 ef 96 80 e1 07 80 c1 03 38 c1 0f 8c 7d fe ff ff 48 c7 c7 00 03 ef 96 e8 d6 d1 85 ff e9 6c fe ff ff e8 cc 86 2e ff <0f> 0b 66 2e 0f 1f 84 00 00 00 00 00 f3 0f 1e fa 55 41 57 41 56 41
RSP: 0018:ffffc9000bb77360 EFLAGS: 00010293
RAX: ffffffff825710d4 RBX: ffff88802bd28ea8 RCX: ffff88802b628000
RDX: 0000000000000000 RSI: ffffffff8cf36a60 RDI: 0000000000000000
RBP: ffffc9000bb774f0 R08: ffff88802b628000 R09: 0000000000000003
R10: 0000000000000004 R11: 0000000000000000 R12: dffffc0000000000
R13: 1ffff9200176ee70 R14: ffff88802bd28e58 R15: 0000000000000000
FS:  0000000000000000(0000) GS:ffff8880b8f00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ffff4588d08 CR3: 0000000030078000 CR4: 00000000003506e0