Extracting prog: 1m5.658538418s Minimizing prog: 15m58.960112054s Simplifying prog options: 0s Extracting C: 22.020852719s Simplifying C: 8m6.708410106s extracting reproducer from 24 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: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: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}}): mkdir-mount-socket-sendmsg$nl_generic-mkdir-rmdir-mkdir-mount-socket-sendmsg$nl_generic-mkdir-rmdir detailed listing: executing program 0: mkdir(&(0x7f0000000100)='./config\x00', 0x1ff) mount(&(0x7f0000000200)=@filename='none\x00', &(0x7f0000000300)='./config\x00', &(0x7f0000000400)='configfs\x00', 0x0, 0x0) r0 = socket(0x10, 0x3, 0x0) sendmsg$nl_generic(r0, &(0x7f0000000340)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000000)={0x20, 0x1e, 0x1, 0x0, 0x0, {0x2}, [@nested={0xc, 0xe9, 0x0, 0x1, [@typed={0x8, 0x145, 0x0, 0x0, @fd=r0}]}]}, 0x20}, 0x1, 0x0, 0x0, 0x4a841}, 0x0) mkdir(&(0x7f0000000500)='./config/usb_gadget/g2\x00', 0x1ff) rmdir(&(0x7f0000000600)='./config/usb_gadget/g2\x00') mkdir(&(0x7f0000000100)='./config\x00', 0x1ff) (async) mount(&(0x7f0000000200)=@filename='none\x00', &(0x7f0000000300)='./config\x00', &(0x7f0000000400)='configfs\x00', 0x0, 0x0) (async) socket(0x10, 0x3, 0x0) (async) sendmsg$nl_generic(r0, &(0x7f0000000340)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000000)={0x20, 0x1e, 0x1, 0x0, 0x0, {0x2}, [@nested={0xc, 0xe9, 0x0, 0x1, [@typed={0x8, 0x145, 0x0, 0x0, @fd=r0}]}]}, 0x20}, 0x1, 0x0, 0x0, 0x4a841}, 0x0) (async) mkdir(&(0x7f0000000500)='./config/usb_gadget/g2\x00', 0x1ff) (async) rmdir(&(0x7f0000000600)='./config/usb_gadget/g2\x00') (async) program crashed: BUG: scheduling while atomic in kernfs_remove_by_name_ns single: successfully extracted reproducer found reproducer with 12 syscalls minimizing guilty program testing program (duration=32.737034841s, {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: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}}): mkdir-mount-socket-sendmsg$nl_generic-mkdir-rmdir-mkdir-mount-socket-sendmsg$nl_generic-mkdir detailed listing: executing program 0: mkdir(&(0x7f0000000100)='./config\x00', 0x1ff) mount(&(0x7f0000000200)=@filename='none\x00', &(0x7f0000000300)='./config\x00', &(0x7f0000000400)='configfs\x00', 0x0, 0x0) r0 = socket(0x10, 0x3, 0x0) sendmsg$nl_generic(r0, &(0x7f0000000340)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000000)={0x20, 0x1e, 0x1, 0x0, 0x0, {0x2}, [@nested={0xc, 0xe9, 0x0, 0x1, [@typed={0x8, 0x145, 0x0, 0x0, @fd=r0}]}]}, 0x20}, 0x1, 0x0, 0x0, 0x4a841}, 0x0) mkdir(&(0x7f0000000500)='./config/usb_gadget/g2\x00', 0x1ff) rmdir(&(0x7f0000000600)='./config/usb_gadget/g2\x00') mkdir(&(0x7f0000000100)='./config\x00', 0x1ff) (async) mount(&(0x7f0000000200)=@filename='none\x00', &(0x7f0000000300)='./config\x00', &(0x7f0000000400)='configfs\x00', 0x0, 0x0) (async) socket(0x10, 0x3, 0x0) (async) sendmsg$nl_generic(r0, &(0x7f0000000340)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000000)={0x20, 0x1e, 0x1, 0x0, 0x0, {0x2}, [@nested={0xc, 0xe9, 0x0, 0x1, [@typed={0x8, 0x145, 0x0, 0x0, @fd=r0}]}]}, 0x20}, 0x1, 0x0, 0x0, 0x4a841}, 0x0) (async) mkdir(&(0x7f0000000500)='./config/usb_gadget/g2\x00', 0x1ff) (async) program crashed: BUG: scheduling while atomic in kernfs_remove_by_name_ns testing program (duration=32.737034841s, {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: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}}): mkdir-mount-socket-sendmsg$nl_generic-mkdir-rmdir-mkdir-mount-socket-sendmsg$nl_generic detailed listing: executing program 0: mkdir(&(0x7f0000000100)='./config\x00', 0x1ff) mount(&(0x7f0000000200)=@filename='none\x00', &(0x7f0000000300)='./config\x00', &(0x7f0000000400)='configfs\x00', 0x0, 0x0) r0 = socket(0x10, 0x3, 0x0) sendmsg$nl_generic(r0, &(0x7f0000000340)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000000)={0x20, 0x1e, 0x1, 0x0, 0x0, {0x2}, [@nested={0xc, 0xe9, 0x0, 0x1, [@typed={0x8, 0x145, 0x0, 0x0, @fd=r0}]}]}, 0x20}, 0x1, 0x0, 0x0, 0x4a841}, 0x0) mkdir(&(0x7f0000000500)='./config/usb_gadget/g2\x00', 0x1ff) rmdir(&(0x7f0000000600)='./config/usb_gadget/g2\x00') mkdir(&(0x7f0000000100)='./config\x00', 0x1ff) (async) mount(&(0x7f0000000200)=@filename='none\x00', &(0x7f0000000300)='./config\x00', &(0x7f0000000400)='configfs\x00', 0x0, 0x0) (async) socket(0x10, 0x3, 0x0) (async) sendmsg$nl_generic(r0, &(0x7f0000000340)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000000)={0x20, 0x1e, 0x1, 0x0, 0x0, {0x2}, [@nested={0xc, 0xe9, 0x0, 0x1, [@typed={0x8, 0x145, 0x0, 0x0, @fd=r0}]}]}, 0x20}, 0x1, 0x0, 0x0, 0x4a841}, 0x0) (async) program crashed: BUG: scheduling while atomic in kernfs_remove_by_name_ns testing program (duration=32.737034841s, {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: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}}): mkdir-mount-socket-sendmsg$nl_generic-mkdir-rmdir-mkdir-mount-socket detailed listing: executing program 0: mkdir(&(0x7f0000000100)='./config\x00', 0x1ff) mount(&(0x7f0000000200)=@filename='none\x00', &(0x7f0000000300)='./config\x00', &(0x7f0000000400)='configfs\x00', 0x0, 0x0) r0 = socket(0x10, 0x3, 0x0) sendmsg$nl_generic(r0, &(0x7f0000000340)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000000)={0x20, 0x1e, 0x1, 0x0, 0x0, {0x2}, [@nested={0xc, 0xe9, 0x0, 0x1, [@typed={0x8, 0x145, 0x0, 0x0, @fd=r0}]}]}, 0x20}, 0x1, 0x0, 0x0, 0x4a841}, 0x0) mkdir(&(0x7f0000000500)='./config/usb_gadget/g2\x00', 0x1ff) rmdir(&(0x7f0000000600)='./config/usb_gadget/g2\x00') mkdir(&(0x7f0000000100)='./config\x00', 0x1ff) (async) mount(&(0x7f0000000200)=@filename='none\x00', &(0x7f0000000300)='./config\x00', &(0x7f0000000400)='configfs\x00', 0x0, 0x0) (async) socket(0x10, 0x3, 0x0) (async) program crashed: BUG: scheduling while atomic in kernfs_remove_by_name_ns testing program (duration=32.737034841s, {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: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}}): mkdir-mount-socket-sendmsg$nl_generic-mkdir-rmdir-mkdir-mount detailed listing: executing program 0: mkdir(&(0x7f0000000100)='./config\x00', 0x1ff) mount(&(0x7f0000000200)=@filename='none\x00', &(0x7f0000000300)='./config\x00', &(0x7f0000000400)='configfs\x00', 0x0, 0x0) r0 = socket(0x10, 0x3, 0x0) sendmsg$nl_generic(r0, &(0x7f0000000340)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000000)={0x20, 0x1e, 0x1, 0x0, 0x0, {0x2}, [@nested={0xc, 0xe9, 0x0, 0x1, [@typed={0x8, 0x145, 0x0, 0x0, @fd=r0}]}]}, 0x20}, 0x1, 0x0, 0x0, 0x4a841}, 0x0) mkdir(&(0x7f0000000500)='./config/usb_gadget/g2\x00', 0x1ff) rmdir(&(0x7f0000000600)='./config/usb_gadget/g2\x00') mkdir(&(0x7f0000000100)='./config\x00', 0x1ff) (async) mount(&(0x7f0000000200)=@filename='none\x00', &(0x7f0000000300)='./config\x00', &(0x7f0000000400)='configfs\x00', 0x0, 0x0) (async) program crashed: BUG: scheduling while atomic in kernfs_remove_by_name_ns testing program (duration=32.737034841s, {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: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}}): mkdir-mount-socket-sendmsg$nl_generic-mkdir-rmdir-mkdir detailed listing: executing program 0: mkdir(&(0x7f0000000100)='./config\x00', 0x1ff) mount(&(0x7f0000000200)=@filename='none\x00', &(0x7f0000000300)='./config\x00', &(0x7f0000000400)='configfs\x00', 0x0, 0x0) r0 = socket(0x10, 0x3, 0x0) sendmsg$nl_generic(r0, &(0x7f0000000340)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000000)={0x20, 0x1e, 0x1, 0x0, 0x0, {0x2}, [@nested={0xc, 0xe9, 0x0, 0x1, [@typed={0x8, 0x145, 0x0, 0x0, @fd=r0}]}]}, 0x20}, 0x1, 0x0, 0x0, 0x4a841}, 0x0) mkdir(&(0x7f0000000500)='./config/usb_gadget/g2\x00', 0x1ff) rmdir(&(0x7f0000000600)='./config/usb_gadget/g2\x00') mkdir(&(0x7f0000000100)='./config\x00', 0x1ff) (async) program crashed: BUG: scheduling while atomic in kernfs_remove_by_name_ns testing program (duration=32.737034841s, {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: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}}): mkdir-mount-socket-sendmsg$nl_generic-mkdir-rmdir detailed listing: executing program 0: mkdir(&(0x7f0000000100)='./config\x00', 0x1ff) mount(&(0x7f0000000200)=@filename='none\x00', &(0x7f0000000300)='./config\x00', &(0x7f0000000400)='configfs\x00', 0x0, 0x0) r0 = socket(0x10, 0x3, 0x0) sendmsg$nl_generic(r0, &(0x7f0000000340)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000000)={0x20, 0x1e, 0x1, 0x0, 0x0, {0x2}, [@nested={0xc, 0xe9, 0x0, 0x1, [@typed={0x8, 0x145, 0x0, 0x0, @fd=r0}]}]}, 0x20}, 0x1, 0x0, 0x0, 0x4a841}, 0x0) mkdir(&(0x7f0000000500)='./config/usb_gadget/g2\x00', 0x1ff) rmdir(&(0x7f0000000600)='./config/usb_gadget/g2\x00') program crashed: BUG: scheduling while atomic in kernfs_remove_by_name_ns testing program (duration=32.737034841s, {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: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}}): mkdir-mount-socket-sendmsg$nl_generic-mkdir detailed listing: executing program 0: mkdir(&(0x7f0000000100)='./config\x00', 0x1ff) mount(&(0x7f0000000200)=@filename='none\x00', &(0x7f0000000300)='./config\x00', &(0x7f0000000400)='configfs\x00', 0x0, 0x0) r0 = socket(0x10, 0x3, 0x0) sendmsg$nl_generic(r0, &(0x7f0000000340)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000000)={0x20, 0x1e, 0x1, 0x0, 0x0, {0x2}, [@nested={0xc, 0xe9, 0x0, 0x1, [@typed={0x8, 0x145, 0x0, 0x0, @fd=r0}]}]}, 0x20}, 0x1, 0x0, 0x0, 0x4a841}, 0x0) mkdir(&(0x7f0000000500)='./config/usb_gadget/g2\x00', 0x1ff) program did not crash testing program (duration=32.737034841s, {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: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}}): mkdir-mount-socket-sendmsg$nl_generic-rmdir detailed listing: executing program 0: mkdir(&(0x7f0000000100)='./config\x00', 0x1ff) mount(&(0x7f0000000200)=@filename='none\x00', &(0x7f0000000300)='./config\x00', &(0x7f0000000400)='configfs\x00', 0x0, 0x0) r0 = socket(0x10, 0x3, 0x0) sendmsg$nl_generic(r0, &(0x7f0000000340)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000000)={0x20, 0x1e, 0x1, 0x0, 0x0, {0x2}, [@nested={0xc, 0xe9, 0x0, 0x1, [@typed={0x8, 0x145, 0x0, 0x0, @fd=r0}]}]}, 0x20}, 0x1, 0x0, 0x0, 0x4a841}, 0x0) rmdir(&(0x7f0000000600)='./config/usb_gadget/g2\x00') program did not crash testing program (duration=32.737034841s, {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: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}}): mkdir-mount-socket-mkdir-rmdir detailed listing: executing program 0: mkdir(&(0x7f0000000100)='./config\x00', 0x1ff) mount(&(0x7f0000000200)=@filename='none\x00', &(0x7f0000000300)='./config\x00', &(0x7f0000000400)='configfs\x00', 0x0, 0x0) socket(0x10, 0x3, 0x0) mkdir(&(0x7f0000000500)='./config/usb_gadget/g2\x00', 0x1ff) rmdir(&(0x7f0000000600)='./config/usb_gadget/g2\x00') program crashed: BUG: scheduling while atomic in kernfs_remove_by_name_ns testing program (duration=32.737034841s, {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: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}}): mkdir-mount-mkdir-rmdir detailed listing: executing program 0: mkdir(&(0x7f0000000100)='./config\x00', 0x1ff) mount(&(0x7f0000000200)=@filename='none\x00', &(0x7f0000000300)='./config\x00', &(0x7f0000000400)='configfs\x00', 0x0, 0x0) mkdir(&(0x7f0000000500)='./config/usb_gadget/g2\x00', 0x1ff) rmdir(&(0x7f0000000600)='./config/usb_gadget/g2\x00') program crashed: BUG: scheduling while atomic in kernfs_remove_by_name_ns testing program (duration=32.737034841s, {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: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}}): mkdir-mkdir-rmdir detailed listing: executing program 0: mkdir(&(0x7f0000000100)='./config\x00', 0x1ff) mkdir(&(0x7f0000000500)='./config/usb_gadget/g2\x00', 0x1ff) rmdir(&(0x7f0000000600)='./config/usb_gadget/g2\x00') program did not crash testing program (duration=32.737034841s, {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: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}}): mount-mkdir-rmdir detailed listing: executing program 0: mount(&(0x7f0000000200)=@filename='none\x00', &(0x7f0000000300)='./config\x00', &(0x7f0000000400)='configfs\x00', 0x0, 0x0) mkdir(&(0x7f0000000500)='./config/usb_gadget/g2\x00', 0x1ff) rmdir(&(0x7f0000000600)='./config/usb_gadget/g2\x00') program did not crash testing program (duration=32.737034841s, {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: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}}): mkdir-mount-mkdir-rmdir detailed listing: executing program 0: mkdir(0x0, 0x1ff) mount(&(0x7f0000000200)=@filename='none\x00', &(0x7f0000000300)='./config\x00', &(0x7f0000000400)='configfs\x00', 0x0, 0x0) mkdir(&(0x7f0000000500)='./config/usb_gadget/g2\x00', 0x1ff) rmdir(&(0x7f0000000600)='./config/usb_gadget/g2\x00') program did not crash testing program (duration=32.737034841s, {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: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}}): mkdir-mount-mkdir-rmdir detailed listing: executing program 0: mkdir(&(0x7f0000000100)='./config\x00', 0x1ff) mount(0x0, &(0x7f0000000300)='./config\x00', &(0x7f0000000400)='configfs\x00', 0x0, 0x0) mkdir(&(0x7f0000000500)='./config/usb_gadget/g2\x00', 0x1ff) rmdir(&(0x7f0000000600)='./config/usb_gadget/g2\x00') program crashed: BUG: scheduling while atomic in kernfs_remove_by_name_ns testing program (duration=32.737034841s, {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: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}}): mkdir-mount-mkdir-rmdir detailed listing: executing program 0: mkdir(&(0x7f0000000100)='./config\x00', 0x1ff) mount(0x0, 0x0, &(0x7f0000000400)='configfs\x00', 0x0, 0x0) mkdir(&(0x7f0000000500)='./config/usb_gadget/g2\x00', 0x1ff) rmdir(&(0x7f0000000600)='./config/usb_gadget/g2\x00') program did not crash testing program (duration=32.737034841s, {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: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}}): mkdir-mount-mkdir-rmdir detailed listing: executing program 0: mkdir(&(0x7f0000000100)='./config\x00', 0x1ff) mount(0x0, &(0x7f0000000300)='./config\x00', 0x0, 0x0, 0x0) mkdir(&(0x7f0000000500)='./config/usb_gadget/g2\x00', 0x1ff) rmdir(&(0x7f0000000600)='./config/usb_gadget/g2\x00') program did not crash testing program (duration=32.737034841s, {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: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}}): mkdir-mount-mkdir-rmdir detailed listing: executing program 0: mkdir(&(0x7f0000000100)='./config\x00', 0x1ff) mount(0x0, &(0x7f0000000300)='./config\x00', &(0x7f0000000400)='configfs\x00', 0x0, 0x0) mkdir(0x0, 0x1ff) rmdir(&(0x7f0000000600)='./config/usb_gadget/g2\x00') program did not crash testing program (duration=32.737034841s, {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: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}}): mkdir-mount-mkdir-rmdir detailed listing: executing program 0: mkdir(&(0x7f0000000100)='./config\x00', 0x1ff) mount(0x0, &(0x7f0000000300)='./config\x00', &(0x7f0000000400)='configfs\x00', 0x0, 0x0) mkdir(&(0x7f0000000500)='./config/usb_gadget/g2\x00', 0x1ff) rmdir(0x0) program did not crash extracting C reproducer testing compiled C program (duration=32.737034841s, {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: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}}): mkdir-mount-mkdir-rmdir program crashed: BUG: scheduling while atomic in kernfs_remove_by_name_ns simplifying C reproducer testing compiled C program (duration=32.737034841s, {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: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}}): mkdir-mount-mkdir-rmdir program crashed: BUG: scheduling while atomic in kernfs_remove_by_name_ns testing compiled C program (duration=32.737034841s, {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: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}}): mkdir-mount-mkdir-rmdir program did not crash testing compiled C program (duration=32.737034841s, {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: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}}): mkdir-mount-mkdir-rmdir program crashed: BUG: scheduling while atomic in __kernfs_remove a never seen crash title: BUG: scheduling while atomic in __kernfs_remove, ignore testing compiled C program (duration=32.737034841s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 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}}): mkdir-mount-mkdir-rmdir program crashed: BUG: scheduling while atomic in kernfs_remove_by_name_ns testing compiled C program (duration=32.737034841s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 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}}): mkdir-mount-mkdir-rmdir program crashed: BUG: scheduling while atomic in kernfs_drain a never seen crash title: BUG: scheduling while atomic in kernfs_drain, ignore testing compiled C program (duration=32.737034841s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 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:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdir-mount-mkdir-rmdir program crashed: BUG: scheduling while atomic in kernfs_remove_by_name_ns testing compiled C program (duration=32.737034841s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 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:true HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdir-mount-mkdir-rmdir program crashed: BUG: scheduling while atomic in kernfs_remove_by_name_ns testing program (duration=32.737034841s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 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:true HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdir-mount-mkdir-rmdir detailed listing: executing program 0: mkdir(&(0x7f0000000100)='./config\x00', 0x1ff) mount(0x0, &(0x7f0000000300)='./config\x00', &(0x7f0000000400)='configfs\x00', 0x0, 0x0) mkdir(&(0x7f0000000500)='./config/usb_gadget/g2\x00', 0x1ff) rmdir(&(0x7f0000000600)='./config/usb_gadget/g2\x00') program crashed: BUG: scheduling while atomic in kernfs_remove_by_name_ns validation run: crashed=true testing program (duration=32.737034841s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 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:true HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdir-mount-mkdir-rmdir detailed listing: executing program 0: mkdir(&(0x7f0000000100)='./config\x00', 0x1ff) mount(0x0, &(0x7f0000000300)='./config\x00', &(0x7f0000000400)='configfs\x00', 0x0, 0x0) mkdir(&(0x7f0000000500)='./config/usb_gadget/g2\x00', 0x1ff) rmdir(&(0x7f0000000600)='./config/usb_gadget/g2\x00') program crashed: BUG: scheduling while atomic in kernfs_remove_by_name_ns validation run: crashed=true testing program (duration=32.737034841s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 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:true HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdir-mount-mkdir-rmdir detailed listing: executing program 0: mkdir(&(0x7f0000000100)='./config\x00', 0x1ff) mount(0x0, &(0x7f0000000300)='./config\x00', &(0x7f0000000400)='configfs\x00', 0x0, 0x0) mkdir(&(0x7f0000000500)='./config/usb_gadget/g2\x00', 0x1ff) rmdir(&(0x7f0000000600)='./config/usb_gadget/g2\x00') program crashed: BUG: scheduling while atomic in kernfs_remove_by_name_ns validation run: crashed=true reproducing took 27m52.637490427s repro crashed as (corrupted=false): BUG: scheduling while atomic: syz.2.19/400/0x00000002 Modules linked in: CPU: 0 UID: 0 PID: 400 Comm: syz.2.19 Not tainted syzkaller #0 200dea8a17c83f35b0a1e1238c384757fc17b797 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 Call Trace: __dump_stack+0x21/0x30 lib/dump_stack.c:94 dump_stack_lvl+0x140/0x1c0 lib/dump_stack.c:120 dump_stack+0x19/0x20 lib/dump_stack.c:129 __schedule_bug+0x12b/0x200 kernel/sched/core.c:6626 schedule_debug kernel/sched/core.c:6653 [inline] __schedule+0xb85/0x20b0 kernel/sched/core.c:7697 __schedule_loop kernel/sched/core.c:7957 [inline] schedule+0xc5/0x240 kernel/sched/core.c:7972 schedule_preempt_disabled+0x14/0x30 kernel/sched/core.c:8029 rwsem_down_write_slowpath+0x5c9/0x1b60 kernel/locking/rwsem.c:1239 __down_write_common kernel/locking/rwsem.c:1383 [inline] __down_write kernel/locking/rwsem.c:1392 [inline] down_write+0x163/0x2b0 kernel/locking/rwsem.c:1659 kernfs_remove_by_name_ns+0x8c/0x180 fs/kernfs/dir.c:1737 kernfs_remove_by_name include/linux/kernfs.h:637 [inline] remove_files fs/sysfs/group.c:28 [inline] sysfs_remove_group+0x108/0x250 fs/sysfs/group.c:319 dpm_sysfs_remove+0x99/0xd0 drivers/base/power/sysfs.c:837 device_del+0x241/0xcf0 drivers/base/core.c:3856 device_unregister drivers/base/core.c:3922 [inline] device_destroy+0xb0/0x100 drivers/base/core.c:4521 android_device_destroy+0x118/0x180 drivers/usb/gadget/android_configfs_uevent.c:223 gadgets_drop+0x1d/0x30 drivers/usb/gadget/configfs.c:2075 client_drop_item fs/configfs/dir.c:943 [inline] configfs_rmdir+0x8b7/0x9b0 fs/configfs/dir.c:1546 vfs_rmdir+0x3de/0x560 fs/namei.c:4348 do_rmdir+0x29a/0x590 fs/namei.c:4407 __do_sys_rmdir fs/namei.c:4426 [inline] __se_sys_rmdir fs/namei.c:4424 [inline] __x64_sys_rmdir+0x4b/0x60 fs/namei.c:4424 x64_sys_call+0xaf7/0x2ee0 arch/x86/include/generated/asm/syscalls_64.h:85 do_syscall_x64 arch/x86/entry/common.c:47 [inline] do_syscall_64+0x57/0xf0 arch/x86/entry/common.c:78 entry_SYSCALL_64_after_hwframe+0x76/0x7e RIP: 0033:0x7ff980b9e019 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:00007ffcdef19128 EFLAGS: 00000246 ORIG_RAX: 0000000000000054 RAX: ffffffffffffffda RBX: 00007ff980e25fa0 RCX: 00007ff980b9e019 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000200000000600 RBP: 00007ff980c3500c R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ff980e25fac R14: 00007ff980e25fa0 R15: 00007ff980e25fa0 BUG: scheduling while atomic: syz.2.19/400/0x00000000 Modules linked in: Oops: general protection fault, probably for non-canonical address 0xdffffc0000000000: 0000 [#1] PREEMPT SMP KASAN PTI KASAN: null-ptr-deref in range [0x0000000000000000-0x0000000000000007] CPU: 0 UID: 0 PID: 400 Comm: syz.2.19 Tainted: G W syzkaller #0 200dea8a17c83f35b0a1e1238c384757fc17b797 Tainted: [W]=WARN Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 RIP: 0010:schedule_debug kernel/sched/core.c:6636 [inline] RIP: 0010:__schedule+0x14e/0x20b0 kernel/sched/core.c:7697 Code: 00 00 48 89 04 24 4c 8d 70 20 4c 89 f0 48 c1 e8 03 42 80 3c 28 00 74 08 4c 89 f7 e8 2c e1 3b fc 4d 8b 36 4c 89 f0 48 c1 e8 03 <42> 80 3c 28 00 74 08 4c 89 f7 e8 13 e1 3b fc 49 81 3e 9d 6e ac 57 RSP: 0018:ffffc90003aaf4c0 EFLAGS: 00010246 RAX: 0000000000000000 RBX: ffff8881f6e4fa40 RCX: ffff888115598000 RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000001 RBP: ffffc90003aaf690 R08: 0000000000000003 R09: 0000000000000004 R10: dffffc0000000000 R11: fffff52000755e9c R12: 1ffff92000755eb0 R13: dffffc0000000000 R14: 0000000000000000 R15: 1ffff1103edca0c9 FS: 0000000000000000(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000001cbc28a0000 CR3: 0000000104b4a000 CR4: 00000000003526b0 Call Trace: Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:schedule_debug kernel/sched/core.c:6636 [inline] RIP: 0010:__schedule+0x14e/0x20b0 kernel/sched/core.c:7697 Code: 00 00 48 89 04 24 4c 8d 70 20 4c 89 f0 48 c1 e8 03 42 80 3c 28 00 74 08 4c 89 f7 e8 2c e1 3b fc 4d 8b 36 4c 89 f0 48 c1 e8 03 <42> 80 3c 28 00 74 08 4c 89 f7 e8 13 e1 3b fc 49 81 3e 9d 6e ac 57 RSP: 0018:ffffc90003aaf4c0 EFLAGS: 00010246 RAX: 0000000000000000 RBX: ffff8881f6e4fa40 RCX: ffff888115598000 RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000001 RBP: ffffc90003aaf690 R08: 0000000000000003 R09: 0000000000000004 R10: dffffc0000000000 R11: fffff52000755e9c R12: 1ffff92000755eb0 R13: dffffc0000000000 R14: 0000000000000000 R15: 1ffff1103edca0c9 FS: 0000000000000000(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000001cbc28a0000 CR3: 0000000104b4a000 CR4: 00000000003526b0 ---------------- Code disassembly (best guess): 0: 00 00 add %al,(%rax) 2: 48 89 04 24 mov %rax,(%rsp) 6: 4c 8d 70 20 lea 0x20(%rax),%r14 a: 4c 89 f0 mov %r14,%rax d: 48 c1 e8 03 shr $0x3,%rax 11: 42 80 3c 28 00 cmpb $0x0,(%rax,%r13,1) 16: 74 08 je 0x20 18: 4c 89 f7 mov %r14,%rdi 1b: e8 2c e1 3b fc call 0xfc3be14c 20: 4d 8b 36 mov (%r14),%r14 23: 4c 89 f0 mov %r14,%rax 26: 48 c1 e8 03 shr $0x3,%rax * 2a: 42 80 3c 28 00 cmpb $0x0,(%rax,%r13,1) <-- trapping instruction 2f: 74 08 je 0x39 31: 4c 89 f7 mov %r14,%rdi 34: e8 13 e1 3b fc call 0xfc3be14c 39: 49 81 3e 9d 6e ac 57 cmpq $0x57ac6e9d,(%r14) final repro crashed as (corrupted=false): BUG: scheduling while atomic: syz.2.19/400/0x00000002 Modules linked in: CPU: 0 UID: 0 PID: 400 Comm: syz.2.19 Not tainted syzkaller #0 200dea8a17c83f35b0a1e1238c384757fc17b797 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 Call Trace: __dump_stack+0x21/0x30 lib/dump_stack.c:94 dump_stack_lvl+0x140/0x1c0 lib/dump_stack.c:120 dump_stack+0x19/0x20 lib/dump_stack.c:129 __schedule_bug+0x12b/0x200 kernel/sched/core.c:6626 schedule_debug kernel/sched/core.c:6653 [inline] __schedule+0xb85/0x20b0 kernel/sched/core.c:7697 __schedule_loop kernel/sched/core.c:7957 [inline] schedule+0xc5/0x240 kernel/sched/core.c:7972 schedule_preempt_disabled+0x14/0x30 kernel/sched/core.c:8029 rwsem_down_write_slowpath+0x5c9/0x1b60 kernel/locking/rwsem.c:1239 __down_write_common kernel/locking/rwsem.c:1383 [inline] __down_write kernel/locking/rwsem.c:1392 [inline] down_write+0x163/0x2b0 kernel/locking/rwsem.c:1659 kernfs_remove_by_name_ns+0x8c/0x180 fs/kernfs/dir.c:1737 kernfs_remove_by_name include/linux/kernfs.h:637 [inline] remove_files fs/sysfs/group.c:28 [inline] sysfs_remove_group+0x108/0x250 fs/sysfs/group.c:319 dpm_sysfs_remove+0x99/0xd0 drivers/base/power/sysfs.c:837 device_del+0x241/0xcf0 drivers/base/core.c:3856 device_unregister drivers/base/core.c:3922 [inline] device_destroy+0xb0/0x100 drivers/base/core.c:4521 android_device_destroy+0x118/0x180 drivers/usb/gadget/android_configfs_uevent.c:223 gadgets_drop+0x1d/0x30 drivers/usb/gadget/configfs.c:2075 client_drop_item fs/configfs/dir.c:943 [inline] configfs_rmdir+0x8b7/0x9b0 fs/configfs/dir.c:1546 vfs_rmdir+0x3de/0x560 fs/namei.c:4348 do_rmdir+0x29a/0x590 fs/namei.c:4407 __do_sys_rmdir fs/namei.c:4426 [inline] __se_sys_rmdir fs/namei.c:4424 [inline] __x64_sys_rmdir+0x4b/0x60 fs/namei.c:4424 x64_sys_call+0xaf7/0x2ee0 arch/x86/include/generated/asm/syscalls_64.h:85 do_syscall_x64 arch/x86/entry/common.c:47 [inline] do_syscall_64+0x57/0xf0 arch/x86/entry/common.c:78 entry_SYSCALL_64_after_hwframe+0x76/0x7e RIP: 0033:0x7ff980b9e019 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:00007ffcdef19128 EFLAGS: 00000246 ORIG_RAX: 0000000000000054 RAX: ffffffffffffffda RBX: 00007ff980e25fa0 RCX: 00007ff980b9e019 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000200000000600 RBP: 00007ff980c3500c R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ff980e25fac R14: 00007ff980e25fa0 R15: 00007ff980e25fa0 BUG: scheduling while atomic: syz.2.19/400/0x00000000 Modules linked in: Oops: general protection fault, probably for non-canonical address 0xdffffc0000000000: 0000 [#1] PREEMPT SMP KASAN PTI KASAN: null-ptr-deref in range [0x0000000000000000-0x0000000000000007] CPU: 0 UID: 0 PID: 400 Comm: syz.2.19 Tainted: G W syzkaller #0 200dea8a17c83f35b0a1e1238c384757fc17b797 Tainted: [W]=WARN Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 RIP: 0010:schedule_debug kernel/sched/core.c:6636 [inline] RIP: 0010:__schedule+0x14e/0x20b0 kernel/sched/core.c:7697 Code: 00 00 48 89 04 24 4c 8d 70 20 4c 89 f0 48 c1 e8 03 42 80 3c 28 00 74 08 4c 89 f7 e8 2c e1 3b fc 4d 8b 36 4c 89 f0 48 c1 e8 03 <42> 80 3c 28 00 74 08 4c 89 f7 e8 13 e1 3b fc 49 81 3e 9d 6e ac 57 RSP: 0018:ffffc90003aaf4c0 EFLAGS: 00010246 RAX: 0000000000000000 RBX: ffff8881f6e4fa40 RCX: ffff888115598000 RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000001 RBP: ffffc90003aaf690 R08: 0000000000000003 R09: 0000000000000004 R10: dffffc0000000000 R11: fffff52000755e9c R12: 1ffff92000755eb0 R13: dffffc0000000000 R14: 0000000000000000 R15: 1ffff1103edca0c9 FS: 0000000000000000(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000001cbc28a0000 CR3: 0000000104b4a000 CR4: 00000000003526b0 Call Trace: Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:schedule_debug kernel/sched/core.c:6636 [inline] RIP: 0010:__schedule+0x14e/0x20b0 kernel/sched/core.c:7697 Code: 00 00 48 89 04 24 4c 8d 70 20 4c 89 f0 48 c1 e8 03 42 80 3c 28 00 74 08 4c 89 f7 e8 2c e1 3b fc 4d 8b 36 4c 89 f0 48 c1 e8 03 <42> 80 3c 28 00 74 08 4c 89 f7 e8 13 e1 3b fc 49 81 3e 9d 6e ac 57 RSP: 0018:ffffc90003aaf4c0 EFLAGS: 00010246 RAX: 0000000000000000 RBX: ffff8881f6e4fa40 RCX: ffff888115598000 RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000001 RBP: ffffc90003aaf690 R08: 0000000000000003 R09: 0000000000000004 R10: dffffc0000000000 R11: fffff52000755e9c R12: 1ffff92000755eb0 R13: dffffc0000000000 R14: 0000000000000000 R15: 1ffff1103edca0c9 FS: 0000000000000000(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000001cbc28a0000 CR3: 0000000104b4a000 CR4: 00000000003526b0 ---------------- Code disassembly (best guess): 0: 00 00 add %al,(%rax) 2: 48 89 04 24 mov %rax,(%rsp) 6: 4c 8d 70 20 lea 0x20(%rax),%r14 a: 4c 89 f0 mov %r14,%rax d: 48 c1 e8 03 shr $0x3,%rax 11: 42 80 3c 28 00 cmpb $0x0,(%rax,%r13,1) 16: 74 08 je 0x20 18: 4c 89 f7 mov %r14,%rdi 1b: e8 2c e1 3b fc call 0xfc3be14c 20: 4d 8b 36 mov (%r14),%r14 23: 4c 89 f0 mov %r14,%rax 26: 48 c1 e8 03 shr $0x3,%rax * 2a: 42 80 3c 28 00 cmpb $0x0,(%rax,%r13,1) <-- trapping instruction 2f: 74 08 je 0x39 31: 4c 89 f7 mov %r14,%rdi 34: e8 13 e1 3b fc call 0xfc3be14c 39: 49 81 3e 9d 6e ac 57 cmpq $0x57ac6e9d,(%r14)