Extracting prog: 2m56.273240291s
Minimizing prog: 5m48.52475943s
Simplifying prog options: 0s
Extracting C: 32.163791337s
Simplifying C: 7m17.480216743s


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

program did not crash
single: failed to extract reproducer
single: executing 1 programs separately with timeout 1m40s
testing program (duration=1m40s, {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$hfs-mkdirat
detailed listing:
executing program 0:
syz_mount_image$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=1m40s, {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$hfs
detailed listing:
executing program 0:
syz_mount_image$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=1m40s, {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}}): mkdirat
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f00000000c0)='./bus\x00', 0x0)

program did not crash
testing program (duration=1m40s, {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$hfs-mkdirat
detailed listing:
executing program 0:
syz_mount_image$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=1m40s, {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$hfs-mkdirat
program crashed: kernel BUG in hfs_write_inode
simplifying C reproducer
testing compiled C program (duration=1m40s, {Threaded:false Repeat:true RepeatTimes:0 Procs:6 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$hfs-mkdirat
program crashed: kernel BUG in hfs_write_inode
testing compiled C program (duration=1m40s, {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$hfs-mkdirat
program crashed: kernel BUG in hfs_write_inode
testing compiled C program (duration=1m40s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:true Sysctl:true Swap:false UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$hfs-mkdirat
program crashed: kernel BUG in hfs_write_inode
testing compiled C program (duration=1m40s, {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$hfs-mkdirat
program crashed: kernel BUG in hfs_write_inode
testing compiled C program (duration=1m40s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:false HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$hfs-mkdirat
program crashed: kernel BUG in hfs_write_inode
testing compiled C program (duration=1m40s, {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$hfs-mkdirat
program crashed: kernel BUG in hfs_write_inode
testing compiled C program (duration=1m40s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$hfs-mkdirat
program crashed: kernel BUG in hfs_write_inode
testing program (duration=1m40s, {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$hfs-mkdirat
detailed listing:
executing program 0:
syz_mount_image$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
validation run: crashed=true
testing program (duration=1m40s, {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$hfs-mkdirat
detailed listing:
executing program 0:
syz_mount_image$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
validation run: crashed=true
testing program (duration=1m40s, {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$hfs-mkdirat
detailed listing:
executing program 0:
syz_mount_image$hfs(&(0x7f0000002c80), &(0x7f00000003c0)='./file1\x00', 0x4680, &(0x7f0000000000)=ANY=[@ANYRES8=0x0, @ANYRESHEX], 0xfd, 0x2a1, &(0x7f0000000100)="$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==")
mkdirat(0xffffffffffffff9c, &(0x7f00000000c0)='./bus\x00', 0x0)

program crashed: kernel BUG in hfs_write_inode
validation run: crashed=true
reproducing took 19m17.435947002s
repro crashed as (corrupted=false):
wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50
------------[ cut here ]------------
kernel BUG at fs/hfs/inode.c:444!
Oops: invalid opcode: 0000 [#1] SMP KASAN NOPTI
CPU: 0 UID: 0 PID: 69 Comm: kworker/u4:4 Not tainted syzkaller #0 PREEMPT(full) 
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
Workqueue: writeback wb_workfn (flush-7:0)
RIP: 0010:hfs_write_inode+0x7c8/0x7d0 fs/hfs/inode.c:444
Code: c1 40 92 b0 99 80 e1 07 80 c1 03 38 c1 0f 8c 7d fe ff ff 48 c7 c7 40 92 b0 99 e8 43 16 88 ff e9 6c fe ff ff e8 c9 2b 23 ff 90 <0f> 0b 66 0f 1f 44 00 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90
RSP: 0018:ffffc9000123f180 EFLAGS: 00010293
RAX: ffffffff829c8f67 RBX: ffff888059790e98 RCX: ffff88801fb6c880
RDX: 0000000000000000 RSI: ffffffff8e361d40 RDI: 0000000000000000
RBP: ffffc9000123f310 R08: ffff88801fb6c880 R09: 0000000000000003
R10: 0000000000000004 R11: 0000000000000000 R12: dffffc0000000000
R13: 1ffff92000247e34 R14: ffff888059790e58 R15: 0000000000000000
FS:  0000000000000000(0000) GS:ffff88808d210000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ffdb57a6f48 CR3: 0000000011a01000 CR4: 0000000000352ef0
Call Trace:
 <TASK>
 write_inode fs/fs-writeback.c:1525 [inline]
 __writeback_single_inode+0x6f1/0xff0 fs/fs-writeback.c:1745
 writeback_sb_inodes+0x6c7/0x1010 fs/fs-writeback.c:1976
 wb_writeback+0x43b/0xaf0 fs/fs-writeback.c:2156
 wb_do_writeback fs/fs-writeback.c:2303 [inline]
 wb_workfn+0x409/0xef0 fs/fs-writeback.c:2343
 process_one_work kernel/workqueue.c:3236 [inline]
 process_scheduled_works+0xae1/0x17b0 kernel/workqueue.c:3319
 worker_thread+0x8a0/0xda0 kernel/workqueue.c:3400
 kthread+0x70e/0x8a0 kernel/kthread.c:463
 ret_from_fork+0x3f9/0x770 arch/x86/kernel/process.c:148
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:hfs_write_inode+0x7c8/0x7d0 fs/hfs/inode.c:444
Code: c1 40 92 b0 99 80 e1 07 80 c1 03 38 c1 0f 8c 7d fe ff ff 48 c7 c7 40 92 b0 99 e8 43 16 88 ff e9 6c fe ff ff e8 c9 2b 23 ff 90 <0f> 0b 66 0f 1f 44 00 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90
RSP: 0018:ffffc9000123f180 EFLAGS: 00010293
RAX: ffffffff829c8f67 RBX: ffff888059790e98 RCX: ffff88801fb6c880
RDX: 0000000000000000 RSI: ffffffff8e361d40 RDI: 0000000000000000
RBP: ffffc9000123f310 R08: ffff88801fb6c880 R09: 0000000000000003
R10: 0000000000000004 R11: 0000000000000000 R12: dffffc0000000000
R13: 1ffff92000247e34 R14: ffff888059790e58 R15: 0000000000000000
FS:  0000000000000000(0000) GS:ffff88808d210000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000c003d18000 CR3: 00000000122f1000 CR4: 0000000000352ef0

final repro crashed as (corrupted=false):
wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50
------------[ cut here ]------------
kernel BUG at fs/hfs/inode.c:444!
Oops: invalid opcode: 0000 [#1] SMP KASAN NOPTI
CPU: 0 UID: 0 PID: 69 Comm: kworker/u4:4 Not tainted syzkaller #0 PREEMPT(full) 
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
Workqueue: writeback wb_workfn (flush-7:0)
RIP: 0010:hfs_write_inode+0x7c8/0x7d0 fs/hfs/inode.c:444
Code: c1 40 92 b0 99 80 e1 07 80 c1 03 38 c1 0f 8c 7d fe ff ff 48 c7 c7 40 92 b0 99 e8 43 16 88 ff e9 6c fe ff ff e8 c9 2b 23 ff 90 <0f> 0b 66 0f 1f 44 00 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90
RSP: 0018:ffffc9000123f180 EFLAGS: 00010293
RAX: ffffffff829c8f67 RBX: ffff888059790e98 RCX: ffff88801fb6c880
RDX: 0000000000000000 RSI: ffffffff8e361d40 RDI: 0000000000000000
RBP: ffffc9000123f310 R08: ffff88801fb6c880 R09: 0000000000000003
R10: 0000000000000004 R11: 0000000000000000 R12: dffffc0000000000
R13: 1ffff92000247e34 R14: ffff888059790e58 R15: 0000000000000000
FS:  0000000000000000(0000) GS:ffff88808d210000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ffdb57a6f48 CR3: 0000000011a01000 CR4: 0000000000352ef0
Call Trace:
 <TASK>
 write_inode fs/fs-writeback.c:1525 [inline]
 __writeback_single_inode+0x6f1/0xff0 fs/fs-writeback.c:1745
 writeback_sb_inodes+0x6c7/0x1010 fs/fs-writeback.c:1976
 wb_writeback+0x43b/0xaf0 fs/fs-writeback.c:2156
 wb_do_writeback fs/fs-writeback.c:2303 [inline]
 wb_workfn+0x409/0xef0 fs/fs-writeback.c:2343
 process_one_work kernel/workqueue.c:3236 [inline]
 process_scheduled_works+0xae1/0x17b0 kernel/workqueue.c:3319
 worker_thread+0x8a0/0xda0 kernel/workqueue.c:3400
 kthread+0x70e/0x8a0 kernel/kthread.c:463
 ret_from_fork+0x3f9/0x770 arch/x86/kernel/process.c:148
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:hfs_write_inode+0x7c8/0x7d0 fs/hfs/inode.c:444
Code: c1 40 92 b0 99 80 e1 07 80 c1 03 38 c1 0f 8c 7d fe ff ff 48 c7 c7 40 92 b0 99 e8 43 16 88 ff e9 6c fe ff ff e8 c9 2b 23 ff 90 <0f> 0b 66 0f 1f 44 00 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90
RSP: 0018:ffffc9000123f180 EFLAGS: 00010293
RAX: ffffffff829c8f67 RBX: ffff888059790e98 RCX: ffff88801fb6c880
RDX: 0000000000000000 RSI: ffffffff8e361d40 RDI: 0000000000000000
RBP: ffffc9000123f310 R08: ffff88801fb6c880 R09: 0000000000000003
R10: 0000000000000004 R11: 0000000000000000 R12: dffffc0000000000
R13: 1ffff92000247e34 R14: ffff888059790e58 R15: 0000000000000000
FS:  0000000000000000(0000) GS:ffff88808d210000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000c003d18000 CR3: 00000000122f1000 CR4: 0000000000352ef0