Extracting prog: 4m8.839080578s
Minimizing prog: 14m49.191242912s
Simplifying prog options: 0s
Extracting C: 50.033463288s
Simplifying C: 11m7.071537522s


extracting reproducer from 1 programs
testing a last program of every proc
single: executing 1 programs separately with timeout 30s
testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./mnt\x00', 0xd6)
mount(&(0x7f0000000040)=@nullb, &(0x7f0000000080)='./mnt\x00', &(0x7f0000000100)='qnx6\x00', 0x8000, &(0x7f00000000c0)='mmi_fs\x00')

program did not crash
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:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./mnt\x00', 0xd6)
mount(&(0x7f0000000040)=@nullb, &(0x7f0000000080)='./mnt\x00', &(0x7f0000000100)='qnx6\x00', 0x8000, &(0x7f00000000c0)='mmi_fs\x00')

program crashed: divide error in qnx6_mmi_fill_super
single: successfully extracted reproducer
found reproducer with 2 syscalls
minimizing guilty program
testing program (duration=1m47.758651264s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./mnt\x00', 0xd6)

program did not crash
testing program (duration=1m47.758651264s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mount
detailed listing:
executing program 0:
mount(&(0x7f0000000040)=@nullb, &(0x7f0000000080)='./mnt\x00', &(0x7f0000000100)='qnx6\x00', 0x8000, &(0x7f00000000c0)='mmi_fs\x00')

program did not crash
testing program (duration=1m47.758651264s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, 0x0, 0xd6)
mount(&(0x7f0000000040)=@nullb, &(0x7f0000000080)='./mnt\x00', &(0x7f0000000100)='qnx6\x00', 0x8000, &(0x7f00000000c0)='mmi_fs\x00')

program did not crash
testing program (duration=1m47.758651264s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./mnt\x00', 0xd6)
mount(0x0, &(0x7f0000000080)='./mnt\x00', &(0x7f0000000100)='qnx6\x00', 0x8000, &(0x7f00000000c0)='mmi_fs\x00')

program did not crash
testing program (duration=1m47.758651264s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./mnt\x00', 0xd6)
mount(&(0x7f0000000040)=@nullb, 0x0, &(0x7f0000000100)='qnx6\x00', 0x8000, &(0x7f00000000c0)='mmi_fs\x00')

program did not crash
testing program (duration=1m47.758651264s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./mnt\x00', 0xd6)
mount(&(0x7f0000000040)=@nullb, &(0x7f0000000080)='./mnt\x00', 0x0, 0x8000, &(0x7f00000000c0)='mmi_fs\x00')

program did not crash
testing program (duration=1m47.758651264s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./mnt\x00', 0xd6)
mount(&(0x7f0000000040)=@nullb, &(0x7f0000000080)='./mnt\x00', &(0x7f0000000100)='qnx6\x00', 0x8000, 0x0)

program did not crash
extracting C reproducer
testing compiled C program (duration=1m47.758651264s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount
program crashed: divide error in qnx6_mmi_fill_super
simplifying C reproducer
testing compiled C program (duration=1m47.758651264s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount
program crashed: divide error in qnx6_mmi_fill_super
testing compiled C program (duration=1m47.758651264s, {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}}): mkdirat-mount
program crashed: divide error in qnx6_mmi_fill_super
testing compiled C program (duration=1m47.758651264s, {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}}): mkdirat-mount
program crashed: divide error in qnx6_mmi_fill_super
testing compiled C program (duration=1m47.758651264s, {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}}): mkdirat-mount
program crashed: divide error in qnx6_mmi_fill_super
testing compiled C program (duration=1m47.758651264s, {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}}): mkdirat-mount
program crashed: divide error in qnx6_mmi_fill_super
testing compiled C program (duration=1m47.758651264s, {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}}): mkdirat-mount
program crashed: divide error in qnx6_mmi_fill_super
testing compiled C program (duration=1m47.758651264s, {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}}): mkdirat-mount
program crashed: divide error in qnx6_mmi_fill_super
testing program (duration=1m47.758651264s, {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}}): mkdirat-mount
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./mnt\x00', 0xd6)
mount(&(0x7f0000000040)=@nullb, &(0x7f0000000080)='./mnt\x00', &(0x7f0000000100)='qnx6\x00', 0x8000, &(0x7f00000000c0)='mmi_fs\x00')

program crashed: divide error in qnx6_mmi_fill_super
validation run: crashed=true
testing program (duration=1m47.758651264s, {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}}): mkdirat-mount
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./mnt\x00', 0xd6)
mount(&(0x7f0000000040)=@nullb, &(0x7f0000000080)='./mnt\x00', &(0x7f0000000100)='qnx6\x00', 0x8000, &(0x7f00000000c0)='mmi_fs\x00')

program crashed: divide error in qnx6_mmi_fill_super
validation run: crashed=true
testing program (duration=1m47.758651264s, {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}}): mkdirat-mount
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./mnt\x00', 0xd6)
mount(&(0x7f0000000040)=@nullb, &(0x7f0000000080)='./mnt\x00', &(0x7f0000000100)='qnx6\x00', 0x8000, &(0x7f00000000c0)='mmi_fs\x00')

program crashed: divide error in qnx6_mmi_fill_super
validation run: crashed=true
reproducing took 36m5.555922606s
repro crashed as (corrupted=false):
Oops: divide error: 0000 [#1] SMP KASAN PTI
CPU: 0 UID: 0 PID: 5851 Comm: syz.0.17 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
RIP: 0010:qnx6_mmi_fill_super+0x228/0x870 fs/qnx6/super_mmi.c:68
Code: 89 e0 48 c1 e8 03 42 0f b6 04 28 84 c0 4d 89 ef 0f 85 93 05 00 00 85 db 41 8b 04 24 89 c6 0f ce 0f 44 f0 b8 00 10 00 00 31 d2 <f7> f6 41 89 c4 4c 89 f7 e8 bb ed 5c 01 89 c3 31 ff 89 c6 e8 10 7f
RSP: 0018:ffffc90004507a78 EFLAGS: 00010246
RAX: 0000000000001000 RBX: 0000000000000000 RCX: ffff88801efd0000
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
R10: dffffc0000000000 R11: ffffed10048b4769 R12: ffff8880494c5028
R13: dffffc0000000000 R14: ffff88803896c000 R15: dffffc0000000000
FS:  000055555fb85500(0000) GS:ffff8881249b9000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000200000001000 CR3: 000000003a2e0000 CR4: 00000000003526f0
Call Trace:
 <TASK>
 qnx6_fill_super+0x174/0x1380 fs/qnx6/inode.c:318
 get_tree_bdev_flags+0x430/0x4f0 fs/super.c:1872
 vfs_get_tree+0x92/0x2a0 fs/super.c:1932
 fc_mount fs/namespace.c:1282 [inline]
 do_new_mount_fc fs/namespace.c:3898 [inline]
 do_new_mount+0x325/0xb00 fs/namespace.c:3974
 do_mount fs/namespace.c:4338 [inline]
 __do_sys_mount fs/namespace.c:4556 [inline]
 __se_sys_mount+0x31d/0x420 fs/namespace.c:4533
 do_syscall_x64 arch/x86/entry/syscall_64.c:61 [inline]
 do_syscall_64+0x166/0x520 arch/x86/entry/syscall_64.c:84
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fbabc37e559
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:00007fff4691d308 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00007fbabc605fa0 RCX: 00007fbabc37e559
RDX: 0000200000000100 RSI: 0000200000000080 RDI: 0000200000000040
RBP: 00007fbabc415ab8 R08: 00002000000000c0 R09: 0000000000000000
R10: 0000000000008000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fbabc605fac R14: 00007fbabc605fa0 R15: 00007fbabc605fa0
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:qnx6_mmi_fill_super+0x228/0x870 fs/qnx6/super_mmi.c:68
Code: 89 e0 48 c1 e8 03 42 0f b6 04 28 84 c0 4d 89 ef 0f 85 93 05 00 00 85 db 41 8b 04 24 89 c6 0f ce 0f 44 f0 b8 00 10 00 00 31 d2 <f7> f6 41 89 c4 4c 89 f7 e8 bb ed 5c 01 89 c3 31 ff 89 c6 e8 10 7f
RSP: 0018:ffffc90004507a78 EFLAGS: 00010246
RAX: 0000000000001000 RBX: 0000000000000000 RCX: ffff88801efd0000
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
R10: dffffc0000000000 R11: ffffed10048b4769 R12: ffff8880494c5028
R13: dffffc0000000000 R14: ffff88803896c000 R15: dffffc0000000000
FS:  000055555fb85500(0000) GS:ffff888124ab9000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00005615acc838e8 CR3: 000000003a2e0000 CR4: 00000000003526f0
----------------
Code disassembly (best guess):
   0:	89 e0                	mov    %esp,%eax
   2:	48 c1 e8 03          	shr    $0x3,%rax
   6:	42 0f b6 04 28       	movzbl (%rax,%r13,1),%eax
   b:	84 c0                	test   %al,%al
   d:	4d 89 ef             	mov    %r13,%r15
  10:	0f 85 93 05 00 00    	jne    0x5a9
  16:	85 db                	test   %ebx,%ebx
  18:	41 8b 04 24          	mov    (%r12),%eax
  1c:	89 c6                	mov    %eax,%esi
  1e:	0f ce                	bswap  %esi
  20:	0f 44 f0             	cmove  %eax,%esi
  23:	b8 00 10 00 00       	mov    $0x1000,%eax
  28:	31 d2                	xor    %edx,%edx
* 2a:	f7 f6                	div    %esi <-- trapping instruction
  2c:	41 89 c4             	mov    %eax,%r12d
  2f:	4c 89 f7             	mov    %r14,%rdi
  32:	e8 bb ed 5c 01       	call   0x15cedf2
  37:	89 c3                	mov    %eax,%ebx
  39:	31 ff                	xor    %edi,%edi
  3b:	89 c6                	mov    %eax,%esi
  3d:	e8                   	.byte 0xe8
  3e:	10                   	.byte 0x10
  3f:	7f                   	.byte 0x7f

final repro crashed as (corrupted=false):
Oops: divide error: 0000 [#1] SMP KASAN PTI
CPU: 0 UID: 0 PID: 5851 Comm: syz.0.17 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
RIP: 0010:qnx6_mmi_fill_super+0x228/0x870 fs/qnx6/super_mmi.c:68
Code: 89 e0 48 c1 e8 03 42 0f b6 04 28 84 c0 4d 89 ef 0f 85 93 05 00 00 85 db 41 8b 04 24 89 c6 0f ce 0f 44 f0 b8 00 10 00 00 31 d2 <f7> f6 41 89 c4 4c 89 f7 e8 bb ed 5c 01 89 c3 31 ff 89 c6 e8 10 7f
RSP: 0018:ffffc90004507a78 EFLAGS: 00010246
RAX: 0000000000001000 RBX: 0000000000000000 RCX: ffff88801efd0000
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
R10: dffffc0000000000 R11: ffffed10048b4769 R12: ffff8880494c5028
R13: dffffc0000000000 R14: ffff88803896c000 R15: dffffc0000000000
FS:  000055555fb85500(0000) GS:ffff8881249b9000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000200000001000 CR3: 000000003a2e0000 CR4: 00000000003526f0
Call Trace:
 <TASK>
 qnx6_fill_super+0x174/0x1380 fs/qnx6/inode.c:318
 get_tree_bdev_flags+0x430/0x4f0 fs/super.c:1872
 vfs_get_tree+0x92/0x2a0 fs/super.c:1932
 fc_mount fs/namespace.c:1282 [inline]
 do_new_mount_fc fs/namespace.c:3898 [inline]
 do_new_mount+0x325/0xb00 fs/namespace.c:3974
 do_mount fs/namespace.c:4338 [inline]
 __do_sys_mount fs/namespace.c:4556 [inline]
 __se_sys_mount+0x31d/0x420 fs/namespace.c:4533
 do_syscall_x64 arch/x86/entry/syscall_64.c:61 [inline]
 do_syscall_64+0x166/0x520 arch/x86/entry/syscall_64.c:84
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fbabc37e559
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:00007fff4691d308 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00007fbabc605fa0 RCX: 00007fbabc37e559
RDX: 0000200000000100 RSI: 0000200000000080 RDI: 0000200000000040
RBP: 00007fbabc415ab8 R08: 00002000000000c0 R09: 0000000000000000
R10: 0000000000008000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fbabc605fac R14: 00007fbabc605fa0 R15: 00007fbabc605fa0
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:qnx6_mmi_fill_super+0x228/0x870 fs/qnx6/super_mmi.c:68
Code: 89 e0 48 c1 e8 03 42 0f b6 04 28 84 c0 4d 89 ef 0f 85 93 05 00 00 85 db 41 8b 04 24 89 c6 0f ce 0f 44 f0 b8 00 10 00 00 31 d2 <f7> f6 41 89 c4 4c 89 f7 e8 bb ed 5c 01 89 c3 31 ff 89 c6 e8 10 7f
RSP: 0018:ffffc90004507a78 EFLAGS: 00010246
RAX: 0000000000001000 RBX: 0000000000000000 RCX: ffff88801efd0000
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
R10: dffffc0000000000 R11: ffffed10048b4769 R12: ffff8880494c5028
R13: dffffc0000000000 R14: ffff88803896c000 R15: dffffc0000000000
FS:  000055555fb85500(0000) GS:ffff888124ab9000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00005615acc838e8 CR3: 000000003a2e0000 CR4: 00000000003526f0
----------------
Code disassembly (best guess):
   0:	89 e0                	mov    %esp,%eax
   2:	48 c1 e8 03          	shr    $0x3,%rax
   6:	42 0f b6 04 28       	movzbl (%rax,%r13,1),%eax
   b:	84 c0                	test   %al,%al
   d:	4d 89 ef             	mov    %r13,%r15
  10:	0f 85 93 05 00 00    	jne    0x5a9
  16:	85 db                	test   %ebx,%ebx
  18:	41 8b 04 24          	mov    (%r12),%eax
  1c:	89 c6                	mov    %eax,%esi
  1e:	0f ce                	bswap  %esi
  20:	0f 44 f0             	cmove  %eax,%esi
  23:	b8 00 10 00 00       	mov    $0x1000,%eax
  28:	31 d2                	xor    %edx,%edx
* 2a:	f7 f6                	div    %esi <-- trapping instruction
  2c:	41 89 c4             	mov    %eax,%r12d
  2f:	4c 89 f7             	mov    %r14,%rdi
  32:	e8 bb ed 5c 01       	call   0x15cedf2
  37:	89 c3                	mov    %eax,%ebx
  39:	31 ff                	xor    %edi,%edi
  3b:	89 c6                	mov    %eax,%esi
  3d:	e8                   	.byte 0xe8
  3e:	10                   	.byte 0x10
  3f:	7f                   	.byte 0x7f