Extracting prog: 2m22.846765283s
Minimizing prog: 10m44.311556924s
Simplifying prog options: 0s
Extracting C: 1m38.895453834s
Simplifying C: 15m2.520571173s
extracting reproducer from 51 programs
first checking the prog from the crash report
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}}): mq_open-fcntl$setlease-mq_unlink
detailed listing:
executing program 0:
r0 = mq_open(&(0x7f0000000380)='eth0\x00#\x13\xaeu\xe0\xfbu0*\xf3\x11i\xdd\xd9\xc6\x87\xde\xbf_\xa0\xf6\xdfk\xbf.\"\xa6\xc0#p\xcd\x1c/\xa6\xf2\xbcyL\x85a\xb5\xbb~+>\xbc\x93\xf8\xab\x9a3\x85l\x1d\x15\x11\x1a{@!2\xb6!\xae\xf79k\x90\x88\v8I$\xfdQ\x1d\x90=r\xd8\xc0\xd8\t/\x8dv\xb8\x93\xc3C\xae\x9dc\xd1T\xdd\x14\xd3A=z\xee\xbd/X\xbemOX)s\x94\xde\xbe_\v\x01\xbe\xeb\bLTrw\x88\x9e0\t\xc6\xe2\x9c\xed\\\xd8[\xc8\x04 \xf3\xac]V\x1d:\xfc\xc3\x9e\x02\ax\xef\xfe\x1c.TT\x01\x00\x00\x00a%\xdcQ\xb3CuT\xcc7\x8avs\xb2\a\xfe\xb3j*\xad\x18I\xcc\xe9\xaa{]\xef\xb7\xf2\xee*\xf95\bJt\xd0s\xc4\xaa\xc8\x13~\xb2\xf20\xbdf\xdb\xaeG\xe3\xfb\xef\x94\xef:Q\x1b\xe3\xa3\xa4}\xef`e\xcdL\xab\xdb\r\xf2y\x9fg1\xf4\t\x18i/!\x13\xf1,\x8cu\xaa\xbf~)\x94\x1b2\x93\x86\xe7\x9a\xf2j\xa8\x96\xa6\xa2\xfcN\x81\xafTh\xb3\x1bo:\xe8\vq7S\xe4H\xf3L\xa0\x9c\x97B\x12\x10\x9d\xaa\x7fq\x06\xb9(\xf6\x1c\x83\xb1J\xec\x926\xb5a0\xa0B\xae|\x00\x17\xc0\xa3\xd5\xf9\xaa\x98/\xa4v\xe4)I\xf3+[e\x95\x89\x99\xca\x8e\xc5\xd3\\T\xf0\x1a|5\xfff\xff\x99\xa4\xbb\x9e#oR\xa4\xf1\xba\x04c\xb3-\xf7R\xb85\xb5\xdb\xe9?\xfa/\xdf\xb4R\xbfx=\v_j\x8e\xb0\'\xf4\xe5\xff!\xe1\xbf\x82e\xb1\x9b\x8d\xf3L\t\xd21\x9cbwV\xc8\xcc\xe4\x96M_w\xbc\xdf9\b\r\xf6\x95\xae\xb5,\x92\x8c\xc0DQm\x80\xd1w\xa2\x1a\x12Z\xe5\xf4H\xf7D\n\x96J\x93\xfb\xf0$\x9f\xf7\xa2\xae$O\xa3\xb6\xf5\x98\xd3\v\x00\x86\xa5\x8b\x81\x04\xaf\x03s\xe5\x86>\x0e\xa6\xe6\x1aV\x17\x8b\xed\xa7\'\xd0\r_\xe8,XVR\x13\xe5%\xb9\x88\xb8W@D\'\x17A\xc8\x80\x02J\xd4V\x00wH(\xc5v\f\xc9\xb6\xdf..$\xe6P(_\xf1\'\xc1:\xa3\xcb\xd9\xd1\xc7\x13\x99Md\x1dc\xf1\'j\x03!\x13\xd1\xb8\xbf\xe6\xb2M\b/\rp\xa5\x00\x00\x00\x00', 0x40, 0x9, 0x0)
fcntl$setlease(r0, 0x400, 0x0)
mq_unlink(&(0x7f0000000340)='eth0\x00')
program crashed: KASAN: slab-use-after-free Read in locks_remove_posix
single: successfully extracted reproducer
found reproducer with 3 syscalls
minimizing guilty program
testing program (duration=45.739865236s, {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}}): mq_open-fcntl$setlease
detailed listing:
executing program 0:
r0 = mq_open(&(0x7f0000000380)='eth0\x00#\x13\xaeu\xe0\xfbu0*\xf3\x11i\xdd\xd9\xc6\x87\xde\xbf_\xa0\xf6\xdfk\xbf.\"\xa6\xc0#p\xcd\x1c/\xa6\xf2\xbcyL\x85a\xb5\xbb~+>\xbc\x93\xf8\xab\x9a3\x85l\x1d\x15\x11\x1a{@!2\xb6!\xae\xf79k\x90\x88\v8I$\xfdQ\x1d\x90=r\xd8\xc0\xd8\t/\x8dv\xb8\x93\xc3C\xae\x9dc\xd1T\xdd\x14\xd3A=z\xee\xbd/X\xbemOX)s\x94\xde\xbe_\v\x01\xbe\xeb\bLTrw\x88\x9e0\t\xc6\xe2\x9c\xed\\\xd8[\xc8\x04 \xf3\xac]V\x1d:\xfc\xc3\x9e\x02\ax\xef\xfe\x1c.TT\x01\x00\x00\x00a%\xdcQ\xb3CuT\xcc7\x8avs\xb2\a\xfe\xb3j*\xad\x18I\xcc\xe9\xaa{]\xef\xb7\xf2\xee*\xf95\bJt\xd0s\xc4\xaa\xc8\x13~\xb2\xf20\xbdf\xdb\xaeG\xe3\xfb\xef\x94\xef:Q\x1b\xe3\xa3\xa4}\xef`e\xcdL\xab\xdb\r\xf2y\x9fg1\xf4\t\x18i/!\x13\xf1,\x8cu\xaa\xbf~)\x94\x1b2\x93\x86\xe7\x9a\xf2j\xa8\x96\xa6\xa2\xfcN\x81\xafTh\xb3\x1bo:\xe8\vq7S\xe4H\xf3L\xa0\x9c\x97B\x12\x10\x9d\xaa\x7fq\x06\xb9(\xf6\x1c\x83\xb1J\xec\x926\xb5a0\xa0B\xae|\x00\x17\xc0\xa3\xd5\xf9\xaa\x98/\xa4v\xe4)I\xf3+[e\x95\x89\x99\xca\x8e\xc5\xd3\\T\xf0\x1a|5\xfff\xff\x99\xa4\xbb\x9e#oR\xa4\xf1\xba\x04c\xb3-\xf7R\xb85\xb5\xdb\xe9?\xfa/\xdf\xb4R\xbfx=\v_j\x8e\xb0\'\xf4\xe5\xff!\xe1\xbf\x82e\xb1\x9b\x8d\xf3L\t\xd21\x9cbwV\xc8\xcc\xe4\x96M_w\xbc\xdf9\b\r\xf6\x95\xae\xb5,\x92\x8c\xc0DQm\x80\xd1w\xa2\x1a\x12Z\xe5\xf4H\xf7D\n\x96J\x93\xfb\xf0$\x9f\xf7\xa2\xae$O\xa3\xb6\xf5\x98\xd3\v\x00\x86\xa5\x8b\x81\x04\xaf\x03s\xe5\x86>\x0e\xa6\xe6\x1aV\x17\x8b\xed\xa7\'\xd0\r_\xe8,XVR\x13\xe5%\xb9\x88\xb8W@D\'\x17A\xc8\x80\x02J\xd4V\x00wH(\xc5v\f\xc9\xb6\xdf..$\xe6P(_\xf1\'\xc1:\xa3\xcb\xd9\xd1\xc7\x13\x99Md\x1dc\xf1\'j\x03!\x13\xd1\xb8\xbf\xe6\xb2M\b/\rp\xa5\x00\x00\x00\x00', 0x40, 0x9, 0x0)
fcntl$setlease(r0, 0x400, 0x0)
program did not crash
testing program (duration=45.739865236s, {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}}): mq_open-mq_unlink
detailed listing:
executing program 0:
mq_open(&(0x7f0000000380)='eth0\x00#\x13\xaeu\xe0\xfbu0*\xf3\x11i\xdd\xd9\xc6\x87\xde\xbf_\xa0\xf6\xdfk\xbf.\"\xa6\xc0#p\xcd\x1c/\xa6\xf2\xbcyL\x85a\xb5\xbb~+>\xbc\x93\xf8\xab\x9a3\x85l\x1d\x15\x11\x1a{@!2\xb6!\xae\xf79k\x90\x88\v8I$\xfdQ\x1d\x90=r\xd8\xc0\xd8\t/\x8dv\xb8\x93\xc3C\xae\x9dc\xd1T\xdd\x14\xd3A=z\xee\xbd/X\xbemOX)s\x94\xde\xbe_\v\x01\xbe\xeb\bLTrw\x88\x9e0\t\xc6\xe2\x9c\xed\\\xd8[\xc8\x04 \xf3\xac]V\x1d:\xfc\xc3\x9e\x02\ax\xef\xfe\x1c.TT\x01\x00\x00\x00a%\xdcQ\xb3CuT\xcc7\x8avs\xb2\a\xfe\xb3j*\xad\x18I\xcc\xe9\xaa{]\xef\xb7\xf2\xee*\xf95\bJt\xd0s\xc4\xaa\xc8\x13~\xb2\xf20\xbdf\xdb\xaeG\xe3\xfb\xef\x94\xef:Q\x1b\xe3\xa3\xa4}\xef`e\xcdL\xab\xdb\r\xf2y\x9fg1\xf4\t\x18i/!\x13\xf1,\x8cu\xaa\xbf~)\x94\x1b2\x93\x86\xe7\x9a\xf2j\xa8\x96\xa6\xa2\xfcN\x81\xafTh\xb3\x1bo:\xe8\vq7S\xe4H\xf3L\xa0\x9c\x97B\x12\x10\x9d\xaa\x7fq\x06\xb9(\xf6\x1c\x83\xb1J\xec\x926\xb5a0\xa0B\xae|\x00\x17\xc0\xa3\xd5\xf9\xaa\x98/\xa4v\xe4)I\xf3+[e\x95\x89\x99\xca\x8e\xc5\xd3\\T\xf0\x1a|5\xfff\xff\x99\xa4\xbb\x9e#oR\xa4\xf1\xba\x04c\xb3-\xf7R\xb85\xb5\xdb\xe9?\xfa/\xdf\xb4R\xbfx=\v_j\x8e\xb0\'\xf4\xe5\xff!\xe1\xbf\x82e\xb1\x9b\x8d\xf3L\t\xd21\x9cbwV\xc8\xcc\xe4\x96M_w\xbc\xdf9\b\r\xf6\x95\xae\xb5,\x92\x8c\xc0DQm\x80\xd1w\xa2\x1a\x12Z\xe5\xf4H\xf7D\n\x96J\x93\xfb\xf0$\x9f\xf7\xa2\xae$O\xa3\xb6\xf5\x98\xd3\v\x00\x86\xa5\x8b\x81\x04\xaf\x03s\xe5\x86>\x0e\xa6\xe6\x1aV\x17\x8b\xed\xa7\'\xd0\r_\xe8,XVR\x13\xe5%\xb9\x88\xb8W@D\'\x17A\xc8\x80\x02J\xd4V\x00wH(\xc5v\f\xc9\xb6\xdf..$\xe6P(_\xf1\'\xc1:\xa3\xcb\xd9\xd1\xc7\x13\x99Md\x1dc\xf1\'j\x03!\x13\xd1\xb8\xbf\xe6\xb2M\b/\rp\xa5\x00\x00\x00\x00', 0x40, 0x9, 0x0)
mq_unlink(&(0x7f0000000340)='eth0\x00')
program crashed: general protection fault in __fput
testing program (duration=45.739865236s, {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}}): mq_unlink
detailed listing:
executing program 0:
mq_unlink(&(0x7f0000000340)='eth0\x00')
program did not crash
testing program (duration=45.739865236s, {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}}): mq_open-mq_unlink
detailed listing:
executing program 0:
mq_open(0x0, 0x40, 0x9, 0x0)
mq_unlink(&(0x7f0000000340)='eth0\x00')
program did not crash
testing program (duration=45.739865236s, {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}}): mq_open-mq_unlink
detailed listing:
executing program 0:
mq_open(&(0x7f0000000380)='eth0\x00#\x13\xaeu\xe0\xfbu0*\xf3\x11i\xdd\xd9\xc6\x87\xde\xbf_\xa0\xf6\xdfk\xbf.\"\xa6\xc0#p\xcd\x1c/\xa6\xf2\xbcyL\x85a\xb5\xbb~+>\xbc\x93\xf8\xab\x9a3\x85l\x1d\x15\x11\x1a{@!2\xb6!\xae\xf79k\x90\x88\v8I$\xfdQ\x1d\x90=r\xd8\xc0\xd8\t/\x8dv\xb8\x93\xc3C\xae\x9dc\xd1T\xdd\x14\xd3A=z\xee\xbd/X\xbemOX)s\x94\xde\xbe_\v\x01\xbe\xeb\bLTrw\x88\x9e0\t\xc6\xe2\x9c\xed\\\xd8[\xc8\x04 \xf3\xac]V\x1d:\xfc\xc3\x9e\x02\ax\xef\xfe\x1c.TT\x01\x00\x00\x00a%\xdcQ\xb3CuT\xcc7\x8avs\xb2\a\xfe\xb3j*\xad\x18I\xcc\xe9\xaa{]\xef\xb7\xf2\xee*\xf95\bJt\xd0s\xc4\xaa\xc8\x13~\xb2\xf20\xbdf\xdb\xaeG\xe3\xfb\xef\x94\xef:Q\x1b\xe3\xa3\xa4}\xef`e\xcdL\xab\xdb\r\xf2y\x9fg1\xf4\t\x18i/!\x13\xf1,\x8cu\xaa\xbf~)\x94\x1b2\x93\x86\xe7\x9a\xf2j\xa8\x96\xa6\xa2\xfcN\x81\xafTh\xb3\x1bo:\xe8\vq7S\xe4H\xf3L\xa0\x9c\x97B\x12\x10\x9d\xaa\x7fq\x06\xb9(\xf6\x1c\x83\xb1J\xec\x926\xb5a0\xa0B\xae|\x00\x17\xc0\xa3\xd5\xf9\xaa\x98/\xa4v\xe4)I\xf3+[e\x95\x89\x99\xca\x8e\xc5\xd3\\T\xf0\x1a|5\xfff\xff\x99\xa4\xbb\x9e#oR\xa4\xf1\xba\x04c\xb3-\xf7R\xb85\xb5\xdb\xe9?\xfa/\xdf\xb4R\xbfx=\v_j\x8e\xb0\'\xf4\xe5\xff!\xe1\xbf\x82e\xb1\x9b\x8d\xf3L\t\xd21\x9cbwV\xc8\xcc\xe4\x96M_w\xbc\xdf9\b\r\xf6\x95\xae\xb5,\x92\x8c\xc0DQm\x80\xd1w\xa2\x1a\x12Z\xe5\xf4H\xf7D\n\x96J\x93\xfb\xf0$\x9f\xf7\xa2\xae$O\xa3\xb6\xf5\x98\xd3\v\x00\x86\xa5\x8b\x81\x04\xaf\x03s\xe5\x86>\x0e\xa6\xe6\x1aV\x17\x8b\xed\xa7\'\xd0\r_\xe8,XVR\x13\xe5%\xb9\x88\xb8W@D\'\x17A\xc8\x80\x02J\xd4V\x00wH(\xc5v\f\xc9\xb6\xdf..$\xe6P(_\xf1\'\xc1:\xa3\xcb\xd9\xd1\xc7\x13\x99Md\x1dc\xf1\'j\x03!\x13\xd1\xb8\xbf\xe6\xb2M\b/\rp\xa5\x00\x00\x00\x00', 0x40, 0x9, 0x0)
mq_unlink(0x0)
program did not crash
extracting C reproducer
testing compiled C program (duration=45.739865236s, {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}}): mq_open-mq_unlink
program crashed: general protection fault in __fput
simplifying C reproducer
testing compiled C program (duration=45.739865236s, {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}}): mq_open-mq_unlink
program crashed: general protection fault in __fput
testing compiled C program (duration=45.739865236s, {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}}): mq_open-mq_unlink
program crashed: general protection fault in __fput
testing compiled C program (duration=45.739865236s, {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}}): mq_open-mq_unlink
program crashed: general protection fault in __fput
testing compiled C program (duration=45.739865236s, {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:false Sysctl:true Swap:false UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mq_open-mq_unlink
program crashed: general protection fault in __fput
testing compiled C program (duration=45.739865236s, {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:false Sysctl:true Swap:false UseTmpDir:false HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mq_open-mq_unlink
program crashed: general protection fault in __fput
testing compiled C program (duration=45.739865236s, {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:false Sysctl:true Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mq_open-mq_unlink
program crashed: general protection fault in __fput
testing compiled C program (duration=45.739865236s, {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:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mq_open-mq_unlink
program crashed: general protection fault in __fput
testing program (duration=45.739865236s, {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:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mq_open-mq_unlink
detailed listing:
executing program 0:
mq_open(&(0x7f0000000380)='eth0\x00#\x13\xaeu\xe0\xfbu0*\xf3\x11i\xdd\xd9\xc6\x87\xde\xbf_\xa0\xf6\xdfk\xbf.\"\xa6\xc0#p\xcd\x1c/\xa6\xf2\xbcyL\x85a\xb5\xbb~+>\xbc\x93\xf8\xab\x9a3\x85l\x1d\x15\x11\x1a{@!2\xb6!\xae\xf79k\x90\x88\v8I$\xfdQ\x1d\x90=r\xd8\xc0\xd8\t/\x8dv\xb8\x93\xc3C\xae\x9dc\xd1T\xdd\x14\xd3A=z\xee\xbd/X\xbemOX)s\x94\xde\xbe_\v\x01\xbe\xeb\bLTrw\x88\x9e0\t\xc6\xe2\x9c\xed\\\xd8[\xc8\x04 \xf3\xac]V\x1d:\xfc\xc3\x9e\x02\ax\xef\xfe\x1c.TT\x01\x00\x00\x00a%\xdcQ\xb3CuT\xcc7\x8avs\xb2\a\xfe\xb3j*\xad\x18I\xcc\xe9\xaa{]\xef\xb7\xf2\xee*\xf95\bJt\xd0s\xc4\xaa\xc8\x13~\xb2\xf20\xbdf\xdb\xaeG\xe3\xfb\xef\x94\xef:Q\x1b\xe3\xa3\xa4}\xef`e\xcdL\xab\xdb\r\xf2y\x9fg1\xf4\t\x18i/!\x13\xf1,\x8cu\xaa\xbf~)\x94\x1b2\x93\x86\xe7\x9a\xf2j\xa8\x96\xa6\xa2\xfcN\x81\xafTh\xb3\x1bo:\xe8\vq7S\xe4H\xf3L\xa0\x9c\x97B\x12\x10\x9d\xaa\x7fq\x06\xb9(\xf6\x1c\x83\xb1J\xec\x926\xb5a0\xa0B\xae|\x00\x17\xc0\xa3\xd5\xf9\xaa\x98/\xa4v\xe4)I\xf3+[e\x95\x89\x99\xca\x8e\xc5\xd3\\T\xf0\x1a|5\xfff\xff\x99\xa4\xbb\x9e#oR\xa4\xf1\xba\x04c\xb3-\xf7R\xb85\xb5\xdb\xe9?\xfa/\xdf\xb4R\xbfx=\v_j\x8e\xb0\'\xf4\xe5\xff!\xe1\xbf\x82e\xb1\x9b\x8d\xf3L\t\xd21\x9cbwV\xc8\xcc\xe4\x96M_w\xbc\xdf9\b\r\xf6\x95\xae\xb5,\x92\x8c\xc0DQm\x80\xd1w\xa2\x1a\x12Z\xe5\xf4H\xf7D\n\x96J\x93\xfb\xf0$\x9f\xf7\xa2\xae$O\xa3\xb6\xf5\x98\xd3\v\x00\x86\xa5\x8b\x81\x04\xaf\x03s\xe5\x86>\x0e\xa6\xe6\x1aV\x17\x8b\xed\xa7\'\xd0\r_\xe8,XVR\x13\xe5%\xb9\x88\xb8W@D\'\x17A\xc8\x80\x02J\xd4V\x00wH(\xc5v\f\xc9\xb6\xdf..$\xe6P(_\xf1\'\xc1:\xa3\xcb\xd9\xd1\xc7\x13\x99Md\x1dc\xf1\'j\x03!\x13\xd1\xb8\xbf\xe6\xb2M\b/\rp\xa5\x00\x00\x00\x00', 0x40, 0x9, 0x0)
mq_unlink(&(0x7f0000000340)='eth0\x00')
program crashed: general protection fault in __fput
validation run: crashed=true
testing program (duration=45.739865236s, {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:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mq_open-mq_unlink
detailed listing:
executing program 0:
mq_open(&(0x7f0000000380)='eth0\x00#\x13\xaeu\xe0\xfbu0*\xf3\x11i\xdd\xd9\xc6\x87\xde\xbf_\xa0\xf6\xdfk\xbf.\"\xa6\xc0#p\xcd\x1c/\xa6\xf2\xbcyL\x85a\xb5\xbb~+>\xbc\x93\xf8\xab\x9a3\x85l\x1d\x15\x11\x1a{@!2\xb6!\xae\xf79k\x90\x88\v8I$\xfdQ\x1d\x90=r\xd8\xc0\xd8\t/\x8dv\xb8\x93\xc3C\xae\x9dc\xd1T\xdd\x14\xd3A=z\xee\xbd/X\xbemOX)s\x94\xde\xbe_\v\x01\xbe\xeb\bLTrw\x88\x9e0\t\xc6\xe2\x9c\xed\\\xd8[\xc8\x04 \xf3\xac]V\x1d:\xfc\xc3\x9e\x02\ax\xef\xfe\x1c.TT\x01\x00\x00\x00a%\xdcQ\xb3CuT\xcc7\x8avs\xb2\a\xfe\xb3j*\xad\x18I\xcc\xe9\xaa{]\xef\xb7\xf2\xee*\xf95\bJt\xd0s\xc4\xaa\xc8\x13~\xb2\xf20\xbdf\xdb\xaeG\xe3\xfb\xef\x94\xef:Q\x1b\xe3\xa3\xa4}\xef`e\xcdL\xab\xdb\r\xf2y\x9fg1\xf4\t\x18i/!\x13\xf1,\x8cu\xaa\xbf~)\x94\x1b2\x93\x86\xe7\x9a\xf2j\xa8\x96\xa6\xa2\xfcN\x81\xafTh\xb3\x1bo:\xe8\vq7S\xe4H\xf3L\xa0\x9c\x97B\x12\x10\x9d\xaa\x7fq\x06\xb9(\xf6\x1c\x83\xb1J\xec\x926\xb5a0\xa0B\xae|\x00\x17\xc0\xa3\xd5\xf9\xaa\x98/\xa4v\xe4)I\xf3+[e\x95\x89\x99\xca\x8e\xc5\xd3\\T\xf0\x1a|5\xfff\xff\x99\xa4\xbb\x9e#oR\xa4\xf1\xba\x04c\xb3-\xf7R\xb85\xb5\xdb\xe9?\xfa/\xdf\xb4R\xbfx=\v_j\x8e\xb0\'\xf4\xe5\xff!\xe1\xbf\x82e\xb1\x9b\x8d\xf3L\t\xd21\x9cbwV\xc8\xcc\xe4\x96M_w\xbc\xdf9\b\r\xf6\x95\xae\xb5,\x92\x8c\xc0DQm\x80\xd1w\xa2\x1a\x12Z\xe5\xf4H\xf7D\n\x96J\x93\xfb\xf0$\x9f\xf7\xa2\xae$O\xa3\xb6\xf5\x98\xd3\v\x00\x86\xa5\x8b\x81\x04\xaf\x03s\xe5\x86>\x0e\xa6\xe6\x1aV\x17\x8b\xed\xa7\'\xd0\r_\xe8,XVR\x13\xe5%\xb9\x88\xb8W@D\'\x17A\xc8\x80\x02J\xd4V\x00wH(\xc5v\f\xc9\xb6\xdf..$\xe6P(_\xf1\'\xc1:\xa3\xcb\xd9\xd1\xc7\x13\x99Md\x1dc\xf1\'j\x03!\x13\xd1\xb8\xbf\xe6\xb2M\b/\rp\xa5\x00\x00\x00\x00', 0x40, 0x9, 0x0)
mq_unlink(&(0x7f0000000340)='eth0\x00')
program crashed: general protection fault in __fput
validation run: crashed=true
testing program (duration=45.739865236s, {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:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mq_open-mq_unlink
detailed listing:
executing program 0:
mq_open(&(0x7f0000000380)='eth0\x00#\x13\xaeu\xe0\xfbu0*\xf3\x11i\xdd\xd9\xc6\x87\xde\xbf_\xa0\xf6\xdfk\xbf.\"\xa6\xc0#p\xcd\x1c/\xa6\xf2\xbcyL\x85a\xb5\xbb~+>\xbc\x93\xf8\xab\x9a3\x85l\x1d\x15\x11\x1a{@!2\xb6!\xae\xf79k\x90\x88\v8I$\xfdQ\x1d\x90=r\xd8\xc0\xd8\t/\x8dv\xb8\x93\xc3C\xae\x9dc\xd1T\xdd\x14\xd3A=z\xee\xbd/X\xbemOX)s\x94\xde\xbe_\v\x01\xbe\xeb\bLTrw\x88\x9e0\t\xc6\xe2\x9c\xed\\\xd8[\xc8\x04 \xf3\xac]V\x1d:\xfc\xc3\x9e\x02\ax\xef\xfe\x1c.TT\x01\x00\x00\x00a%\xdcQ\xb3CuT\xcc7\x8avs\xb2\a\xfe\xb3j*\xad\x18I\xcc\xe9\xaa{]\xef\xb7\xf2\xee*\xf95\bJt\xd0s\xc4\xaa\xc8\x13~\xb2\xf20\xbdf\xdb\xaeG\xe3\xfb\xef\x94\xef:Q\x1b\xe3\xa3\xa4}\xef`e\xcdL\xab\xdb\r\xf2y\x9fg1\xf4\t\x18i/!\x13\xf1,\x8cu\xaa\xbf~)\x94\x1b2\x93\x86\xe7\x9a\xf2j\xa8\x96\xa6\xa2\xfcN\x81\xafTh\xb3\x1bo:\xe8\vq7S\xe4H\xf3L\xa0\x9c\x97B\x12\x10\x9d\xaa\x7fq\x06\xb9(\xf6\x1c\x83\xb1J\xec\x926\xb5a0\xa0B\xae|\x00\x17\xc0\xa3\xd5\xf9\xaa\x98/\xa4v\xe4)I\xf3+[e\x95\x89\x99\xca\x8e\xc5\xd3\\T\xf0\x1a|5\xfff\xff\x99\xa4\xbb\x9e#oR\xa4\xf1\xba\x04c\xb3-\xf7R\xb85\xb5\xdb\xe9?\xfa/\xdf\xb4R\xbfx=\v_j\x8e\xb0\'\xf4\xe5\xff!\xe1\xbf\x82e\xb1\x9b\x8d\xf3L\t\xd21\x9cbwV\xc8\xcc\xe4\x96M_w\xbc\xdf9\b\r\xf6\x95\xae\xb5,\x92\x8c\xc0DQm\x80\xd1w\xa2\x1a\x12Z\xe5\xf4H\xf7D\n\x96J\x93\xfb\xf0$\x9f\xf7\xa2\xae$O\xa3\xb6\xf5\x98\xd3\v\x00\x86\xa5\x8b\x81\x04\xaf\x03s\xe5\x86>\x0e\xa6\xe6\x1aV\x17\x8b\xed\xa7\'\xd0\r_\xe8,XVR\x13\xe5%\xb9\x88\xb8W@D\'\x17A\xc8\x80\x02J\xd4V\x00wH(\xc5v\f\xc9\xb6\xdf..$\xe6P(_\xf1\'\xc1:\xa3\xcb\xd9\xd1\xc7\x13\x99Md\x1dc\xf1\'j\x03!\x13\xd1\xb8\xbf\xe6\xb2M\b/\rp\xa5\x00\x00\x00\x00', 0x40, 0x9, 0x0)
mq_unlink(&(0x7f0000000340)='eth0\x00')
program crashed: general protection fault in __fput
validation run: crashed=true
reproducing took 36m31.215733938s
repro crashed as (corrupted=false):
Oops: general protection fault, probably for non-canonical address 0xdffffc0000000005: 0000 [#1] SMP KASAN PTI
KASAN: null-ptr-deref in range [0x0000000000000028-0x000000000000002f]
CPU: 1 UID: 0 PID: 5993 Comm: syz.0.17 Not tainted syzkaller #0 PREEMPT(full)
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
RIP: 0010:fsnotify_parent include/linux/fsnotify.h:81 [inline]
RIP: 0010:fsnotify_path include/linux/fsnotify.h:113 [inline]
RIP: 0010:fsnotify_file include/linux/fsnotify.h:127 [inline]
RIP: 0010:fsnotify_close include/linux/fsnotify.h:457 [inline]
RIP: 0010:__fput+0x1b5/0xa70 fs/file_table.c:454
Code: fc ff df 80 3c 08 00 74 08 4c 89 e7 e8 e4 11 ee ff 4d 8b 34 24 49 8d 6e 28 48 89 e8 48 c1 e8 03 48 b9 00 00 00 00 00 fc ff df <80> 3c 08 00 74 08 48 89 ef e8 bd 11 ee ff 41 bc 60 06 00 00 4c 03
RSP: 0018:ffffc90003f9fd30 EFLAGS: 00010206
RAX: 0000000000000005 RBX: ffff88803394a1c0 RCX: dffffc0000000000
RDX: ffff88807ec68000 RSI: 0000000004000000 RDI: 0000000002000000
RBP: 0000000000000028 R08: ffffffff8f7dec77 R09: 1ffffffff1efbd8e
R10: dffffc0000000000 R11: ffffffff8239f2c0 R12: ffff888077cccf18
R13: 0000000000000000 R14: 0000000000000000 R15: ffff888033a043c0
FS: 00005555803ff500(0000) GS:ffff888125f87000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b30463fff CR3: 0000000075506000 CR4: 00000000003526f0
Call Trace:
task_work_run+0x1d4/0x260 kernel/task_work.c:233
resume_user_mode_work include/linux/resume_user_mode.h:50 [inline]
__exit_to_user_mode_loop kernel/entry/common.c:44 [inline]
exit_to_user_mode_loop+0xff/0x4f0 kernel/entry/common.c:75
__exit_to_user_mode_prepare include/linux/irq-entry-common.h:226 [inline]
syscall_exit_to_user_mode_prepare include/linux/irq-entry-common.h:256 [inline]
syscall_exit_to_user_mode_work include/linux/entry-common.h:159 [inline]
syscall_exit_to_user_mode include/linux/entry-common.h:194 [inline]
do_syscall_64+0x2e3/0xf80 arch/x86/entry/syscall_64.c:100
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f72ccd8f749
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 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 a8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007ffd5a65eab8 EFLAGS: 00000246 ORIG_RAX: 00000000000001b4
RAX: 0000000000000000 RBX: 0000000000017687 RCX: 00007f72ccd8f749
RDX: 0000000000000000 RSI: 000000000000001e RDI: 0000000000000003
RBP: 0000000000000000 R08: 0000000000000001 R09: 000000025a65edaf
R10: 0000001b2f820000 R11: 0000000000000246 R12: 00007f72ccfe5fac
R13: 00007f72ccfe5fa0 R14: ffffffffffffffff R15: 0000000000000001
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:fsnotify_parent include/linux/fsnotify.h:81 [inline]
RIP: 0010:fsnotify_path include/linux/fsnotify.h:113 [inline]
RIP: 0010:fsnotify_file include/linux/fsnotify.h:127 [inline]
RIP: 0010:fsnotify_close include/linux/fsnotify.h:457 [inline]
RIP: 0010:__fput+0x1b5/0xa70 fs/file_table.c:454
Code: fc ff df 80 3c 08 00 74 08 4c 89 e7 e8 e4 11 ee ff 4d 8b 34 24 49 8d 6e 28 48 89 e8 48 c1 e8 03 48 b9 00 00 00 00 00 fc ff df <80> 3c 08 00 74 08 48 89 ef e8 bd 11 ee ff 41 bc 60 06 00 00 4c 03
RSP: 0018:ffffc90003f9fd30 EFLAGS: 00010206
RAX: 0000000000000005 RBX: ffff88803394a1c0 RCX: dffffc0000000000
RDX: ffff88807ec68000 RSI: 0000000004000000 RDI: 0000000002000000
RBP: 0000000000000028 R08: ffffffff8f7dec77 R09: 1ffffffff1efbd8e
R10: dffffc0000000000 R11: ffffffff8239f2c0 R12: ffff888077cccf18
R13: 0000000000000000 R14: 0000000000000000 R15: ffff888033a043c0
FS: 00005555803ff500(0000) GS:ffff888125e87000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00005555803ff808 CR3: 0000000075506000 CR4: 00000000003526f0
----------------
Code disassembly (best guess), 2 bytes skipped:
0: df 80 3c 08 00 74 filds 0x7400083c(%rax)
6: 08 4c 89 e7 or %cl,-0x19(%rcx,%rcx,4)
a: e8 e4 11 ee ff call 0xffee11f3
f: 4d 8b 34 24 mov (%r12),%r14
13: 49 8d 6e 28 lea 0x28(%r14),%rbp
17: 48 89 e8 mov %rbp,%rax
1a: 48 c1 e8 03 shr $0x3,%rax
1e: 48 b9 00 00 00 00 00 movabs $0xdffffc0000000000,%rcx
25: fc ff df
* 28: 80 3c 08 00 cmpb $0x0,(%rax,%rcx,1) <-- trapping instruction
2c: 74 08 je 0x36
2e: 48 89 ef mov %rbp,%rdi
31: e8 bd 11 ee ff call 0xffee11f3
36: 41 bc 60 06 00 00 mov $0x660,%r12d
3c: 4c rex.WR
3d: 03 .byte 0x3
final repro crashed as (corrupted=false):
Oops: general protection fault, probably for non-canonical address 0xdffffc0000000005: 0000 [#1] SMP KASAN PTI
KASAN: null-ptr-deref in range [0x0000000000000028-0x000000000000002f]
CPU: 1 UID: 0 PID: 5993 Comm: syz.0.17 Not tainted syzkaller #0 PREEMPT(full)
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
RIP: 0010:fsnotify_parent include/linux/fsnotify.h:81 [inline]
RIP: 0010:fsnotify_path include/linux/fsnotify.h:113 [inline]
RIP: 0010:fsnotify_file include/linux/fsnotify.h:127 [inline]
RIP: 0010:fsnotify_close include/linux/fsnotify.h:457 [inline]
RIP: 0010:__fput+0x1b5/0xa70 fs/file_table.c:454
Code: fc ff df 80 3c 08 00 74 08 4c 89 e7 e8 e4 11 ee ff 4d 8b 34 24 49 8d 6e 28 48 89 e8 48 c1 e8 03 48 b9 00 00 00 00 00 fc ff df <80> 3c 08 00 74 08 48 89 ef e8 bd 11 ee ff 41 bc 60 06 00 00 4c 03
RSP: 0018:ffffc90003f9fd30 EFLAGS: 00010206
RAX: 0000000000000005 RBX: ffff88803394a1c0 RCX: dffffc0000000000
RDX: ffff88807ec68000 RSI: 0000000004000000 RDI: 0000000002000000
RBP: 0000000000000028 R08: ffffffff8f7dec77 R09: 1ffffffff1efbd8e
R10: dffffc0000000000 R11: ffffffff8239f2c0 R12: ffff888077cccf18
R13: 0000000000000000 R14: 0000000000000000 R15: ffff888033a043c0
FS: 00005555803ff500(0000) GS:ffff888125f87000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b30463fff CR3: 0000000075506000 CR4: 00000000003526f0
Call Trace:
task_work_run+0x1d4/0x260 kernel/task_work.c:233
resume_user_mode_work include/linux/resume_user_mode.h:50 [inline]
__exit_to_user_mode_loop kernel/entry/common.c:44 [inline]
exit_to_user_mode_loop+0xff/0x4f0 kernel/entry/common.c:75
__exit_to_user_mode_prepare include/linux/irq-entry-common.h:226 [inline]
syscall_exit_to_user_mode_prepare include/linux/irq-entry-common.h:256 [inline]
syscall_exit_to_user_mode_work include/linux/entry-common.h:159 [inline]
syscall_exit_to_user_mode include/linux/entry-common.h:194 [inline]
do_syscall_64+0x2e3/0xf80 arch/x86/entry/syscall_64.c:100
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f72ccd8f749
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 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 a8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007ffd5a65eab8 EFLAGS: 00000246 ORIG_RAX: 00000000000001b4
RAX: 0000000000000000 RBX: 0000000000017687 RCX: 00007f72ccd8f749
RDX: 0000000000000000 RSI: 000000000000001e RDI: 0000000000000003
RBP: 0000000000000000 R08: 0000000000000001 R09: 000000025a65edaf
R10: 0000001b2f820000 R11: 0000000000000246 R12: 00007f72ccfe5fac
R13: 00007f72ccfe5fa0 R14: ffffffffffffffff R15: 0000000000000001
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:fsnotify_parent include/linux/fsnotify.h:81 [inline]
RIP: 0010:fsnotify_path include/linux/fsnotify.h:113 [inline]
RIP: 0010:fsnotify_file include/linux/fsnotify.h:127 [inline]
RIP: 0010:fsnotify_close include/linux/fsnotify.h:457 [inline]
RIP: 0010:__fput+0x1b5/0xa70 fs/file_table.c:454
Code: fc ff df 80 3c 08 00 74 08 4c 89 e7 e8 e4 11 ee ff 4d 8b 34 24 49 8d 6e 28 48 89 e8 48 c1 e8 03 48 b9 00 00 00 00 00 fc ff df <80> 3c 08 00 74 08 48 89 ef e8 bd 11 ee ff 41 bc 60 06 00 00 4c 03
RSP: 0018:ffffc90003f9fd30 EFLAGS: 00010206
RAX: 0000000000000005 RBX: ffff88803394a1c0 RCX: dffffc0000000000
RDX: ffff88807ec68000 RSI: 0000000004000000 RDI: 0000000002000000
RBP: 0000000000000028 R08: ffffffff8f7dec77 R09: 1ffffffff1efbd8e
R10: dffffc0000000000 R11: ffffffff8239f2c0 R12: ffff888077cccf18
R13: 0000000000000000 R14: 0000000000000000 R15: ffff888033a043c0
FS: 00005555803ff500(0000) GS:ffff888125e87000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00005555803ff808 CR3: 0000000075506000 CR4: 00000000003526f0
----------------
Code disassembly (best guess), 2 bytes skipped:
0: df 80 3c 08 00 74 filds 0x7400083c(%rax)
6: 08 4c 89 e7 or %cl,-0x19(%rcx,%rcx,4)
a: e8 e4 11 ee ff call 0xffee11f3
f: 4d 8b 34 24 mov (%r12),%r14
13: 49 8d 6e 28 lea 0x28(%r14),%rbp
17: 48 89 e8 mov %rbp,%rax
1a: 48 c1 e8 03 shr $0x3,%rax
1e: 48 b9 00 00 00 00 00 movabs $0xdffffc0000000000,%rcx
25: fc ff df
* 28: 80 3c 08 00 cmpb $0x0,(%rax,%rcx,1) <-- trapping instruction
2c: 74 08 je 0x36
2e: 48 89 ef mov %rbp,%rdi
31: e8 bd 11 ee ff call 0xffee11f3
36: 41 bc 60 06 00 00 mov $0x660,%r12d
3c: 4c rex.WR
3d: 03 .byte 0x3