Extracting prog: 2m17.560288892s
Minimizing prog: 6m0.877461462s
Simplifying prog options: 0s
Extracting C: 1m5.546852893s
Simplifying C: 22m53.103033531s


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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$hfs-mkdirat
detailed listing:
executing program 0:
syz_mount_image$hfs(&(0x7f0000002c80), &(0x7f00000003c0)='./file1\x00', 0x4680, &(0x7f0000000000)=ANY=[@ANYRES8=0x0, @ANYRESHEX], 0xfd, 0x2a1, &(0x7f0000000100)="$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")
mkdirat(0xffffffffffffff9c, &(0x7f00000000c0)='./bus\x00', 0x0)

program crashed: kernel BUG in hfs_write_inode
single: successfully extracted reproducer
found reproducer with 2 syscalls
minimizing guilty program
testing program (duration=53.175778489s, {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$hfs
detailed listing:
executing program 0:
syz_mount_image$hfs(&(0x7f0000002c80), &(0x7f00000003c0)='./file1\x00', 0x4680, &(0x7f0000000000)=ANY=[@ANYRES8=0x0, @ANYRESHEX], 0xfd, 0x2a1, &(0x7f0000000100)="$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")

program did not crash
testing program (duration=53.175778489s, {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}}): mkdirat
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f00000000c0)='./bus\x00', 0x0)

program did not crash
testing program (duration=53.175778489s, {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$hfs-mkdirat
detailed listing:
executing program 0:
syz_mount_image$hfs(&(0x7f0000002c80), &(0x7f00000003c0)='./file1\x00', 0x4680, &(0x7f0000000000)=ANY=[@ANYRES8=0x0, @ANYRESHEX], 0xfd, 0x2a1, &(0x7f0000000100)="$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")
mkdirat(0xffffffffffffff9c, 0x0, 0x0)

program did not crash
extracting C reproducer
testing compiled C program (duration=53.175778489s, {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$hfs-mkdirat
program crashed: kernel BUG in hfs_write_inode
simplifying C reproducer
testing compiled C program (duration=53.175778489s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$hfs-mkdirat
program crashed: kernel BUG in hfs_write_inode
testing compiled C program (duration=53.175778489s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$hfs-mkdirat
program crashed: kernel BUG in hfs_write_inode
testing compiled C program (duration=53.175778489s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:true Sysctl:true Swap:false UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$hfs-mkdirat
program did not crash
testing compiled C program (duration=53.175778489s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$hfs-mkdirat
program crashed: kernel BUG in hfs_write_inode
testing compiled C program (duration=53.175778489s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$hfs-mkdirat
program crashed: kernel BUG in hfs_write_inode
testing compiled C program (duration=53.175778489s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$hfs-mkdirat
program crashed: kernel BUG in hfs_write_inode
testing compiled C program (duration=53.175778489s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$hfs-mkdirat
program crashed: kernel BUG in hfs_write_inode
testing compiled C program (duration=53.175778489s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$hfs-mkdirat
program crashed: kernel BUG in hfs_write_inode
testing compiled C program (duration=53.175778489s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$hfs-mkdirat
program crashed: kernel BUG in hfs_write_inode
testing compiled C program (duration=53.175778489s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$hfs-mkdirat
program crashed: kernel BUG in hfs_write_inode
testing compiled C program (duration=53.175778489s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$hfs-mkdirat
program crashed: kernel BUG in hfs_write_inode
testing compiled C program (duration=53.175778489s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$hfs-mkdirat
program crashed: kernel BUG in hfs_write_inode
testing compiled C program (duration=53.175778489s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:false HandleSegv:false Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$hfs-mkdirat
program crashed: kernel BUG in hfs_write_inode
testing compiled C program (duration=53.175778489s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$hfs-mkdirat
program crashed: kernel BUG in hfs_write_inode
testing compiled C program (duration=53.175778489s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$hfs-mkdirat
program crashed: kernel BUG in hfs_write_inode
reproducing took 32m17.087658378s
repro crashed as (corrupted=false):
------------[ cut here ]------------
kernel BUG at fs/hfs/inode.c:444!
Oops: invalid opcode: 0000 [#1] PREEMPT SMP KASAN PTI
CPU: 1 UID: 0 PID: 64 Comm: kworker/u8:4 Not tainted 6.13.0-rc7-syzkaller-00189-g595523945be0 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024
Workqueue: writeback wb_workfn (flush-7:0)
RIP: 0010:hfs_write_inode+0xeb9/0xec0 fs/hfs/inode.c:444
Code: e9 88 fb ff ff 89 f9 80 e1 07 80 c1 03 38 c1 0f 8c 9d fb ff ff e8 77 68 82 ff e9 93 fb ff ff e8 6d 40 40 09 e8 b8 88 1e ff 90 <0f> 0b 0f 1f 44 00 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90
RSP: 0018:ffffc9000215f260 EFLAGS: 00010293
RAX: ffffffff8280e968 RBX: 0000000000000000 RCX: ffff88801c3f3c00
RDX: 0000000000000000 RSI: ffffffff8eb51ee0 RDI: 0000000000000000
RBP: ffffc9000215f3f0 R08: 0000000000000007 R09: ffffffff8280dc12
R10: 0000000000000003 R11: ffff88801c3f3c00 R12: 1ffff9200042be50
R13: dffffc0000000000 R14: 0000000000000000 R15: ffff8880359d8e58
FS:  0000000000000000(0000) GS:ffff8880b8700000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fd352795ed8 CR3: 00000000357cc000 CR4: 00000000003526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 write_inode fs/fs-writeback.c:1525 [inline]
 __writeback_single_inode+0x708/0x10d0 fs/fs-writeback.c:1745
 writeback_sb_inodes+0x820/0x1360 fs/fs-writeback.c:1976
 wb_writeback+0x413/0xb80 fs/fs-writeback.c:2156
 wb_do_writeback fs/fs-writeback.c:2303 [inline]
 wb_workfn+0x410/0x1080 fs/fs-writeback.c:2343
 process_one_work kernel/workqueue.c:3236 [inline]
 process_scheduled_works+0xa66/0x1840 kernel/workqueue.c:3317
 worker_thread+0x870/0xd30 kernel/workqueue.c:3398
 kthread+0x2f0/0x390 kernel/kthread.c:389
 ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:147
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:hfs_write_inode+0xeb9/0xec0 fs/hfs/inode.c:444
Code: e9 88 fb ff ff 89 f9 80 e1 07 80 c1 03 38 c1 0f 8c 9d fb ff ff e8 77 68 82 ff e9 93 fb ff ff e8 6d 40 40 09 e8 b8 88 1e ff 90 <0f> 0b 0f 1f 44 00 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90
RSP: 0018:ffffc9000215f260 EFLAGS: 00010293
RAX: ffffffff8280e968 RBX: 0000000000000000 RCX: ffff88801c3f3c00
RDX: 0000000000000000 RSI: ffffffff8eb51ee0 RDI: 0000000000000000
RBP: ffffc9000215f3f0 R08: 0000000000000007 R09: ffffffff8280dc12
R10: 0000000000000003 R11: ffff88801c3f3c00 R12: 1ffff9200042be50
R13: dffffc0000000000 R14: 0000000000000000 R15: ffff8880359d8e58
FS:  0000000000000000(0000) GS:ffff8880b8700000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fd352795ed8 CR3: 000000000e736000 CR4: 00000000003526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400

final repro crashed as (corrupted=false):
------------[ cut here ]------------
kernel BUG at fs/hfs/inode.c:444!
Oops: invalid opcode: 0000 [#1] PREEMPT SMP KASAN PTI
CPU: 1 UID: 0 PID: 64 Comm: kworker/u8:4 Not tainted 6.13.0-rc7-syzkaller-00189-g595523945be0 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024
Workqueue: writeback wb_workfn (flush-7:0)
RIP: 0010:hfs_write_inode+0xeb9/0xec0 fs/hfs/inode.c:444
Code: e9 88 fb ff ff 89 f9 80 e1 07 80 c1 03 38 c1 0f 8c 9d fb ff ff e8 77 68 82 ff e9 93 fb ff ff e8 6d 40 40 09 e8 b8 88 1e ff 90 <0f> 0b 0f 1f 44 00 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90
RSP: 0018:ffffc9000215f260 EFLAGS: 00010293
RAX: ffffffff8280e968 RBX: 0000000000000000 RCX: ffff88801c3f3c00
RDX: 0000000000000000 RSI: ffffffff8eb51ee0 RDI: 0000000000000000
RBP: ffffc9000215f3f0 R08: 0000000000000007 R09: ffffffff8280dc12
R10: 0000000000000003 R11: ffff88801c3f3c00 R12: 1ffff9200042be50
R13: dffffc0000000000 R14: 0000000000000000 R15: ffff8880359d8e58
FS:  0000000000000000(0000) GS:ffff8880b8700000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fd352795ed8 CR3: 00000000357cc000 CR4: 00000000003526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 write_inode fs/fs-writeback.c:1525 [inline]
 __writeback_single_inode+0x708/0x10d0 fs/fs-writeback.c:1745
 writeback_sb_inodes+0x820/0x1360 fs/fs-writeback.c:1976
 wb_writeback+0x413/0xb80 fs/fs-writeback.c:2156
 wb_do_writeback fs/fs-writeback.c:2303 [inline]
 wb_workfn+0x410/0x1080 fs/fs-writeback.c:2343
 process_one_work kernel/workqueue.c:3236 [inline]
 process_scheduled_works+0xa66/0x1840 kernel/workqueue.c:3317
 worker_thread+0x870/0xd30 kernel/workqueue.c:3398
 kthread+0x2f0/0x390 kernel/kthread.c:389
 ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:147
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:hfs_write_inode+0xeb9/0xec0 fs/hfs/inode.c:444
Code: e9 88 fb ff ff 89 f9 80 e1 07 80 c1 03 38 c1 0f 8c 9d fb ff ff e8 77 68 82 ff e9 93 fb ff ff e8 6d 40 40 09 e8 b8 88 1e ff 90 <0f> 0b 0f 1f 44 00 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90
RSP: 0018:ffffc9000215f260 EFLAGS: 00010293
RAX: ffffffff8280e968 RBX: 0000000000000000 RCX: ffff88801c3f3c00
RDX: 0000000000000000 RSI: ffffffff8eb51ee0 RDI: 0000000000000000
RBP: ffffc9000215f3f0 R08: 0000000000000007 R09: ffffffff8280dc12
R10: 0000000000000003 R11: ffff88801c3f3c00 R12: 1ffff9200042be50
R13: dffffc0000000000 R14: 0000000000000000 R15: ffff8880359d8e58
FS:  0000000000000000(0000) GS:ffff8880b8700000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fd352795ed8 CR3: 000000000e736000 CR4: 00000000003526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400