Extracting prog: 2m50.230401516s
Minimizing prog: 14m23.851390936s
Simplifying prog options: 4m57.354982241s
Extracting C: 2m0.655441002s
Simplifying C: 0s


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}}): syz_mount_image$squashfs-mount$overlay-openat$dir-syz_init_net_socket$bt_l2cap-bind$bt_l2cap-listen-accept4
detailed listing:
executing program 0:
syz_mount_image$squashfs(&(0x7f0000000180), &(0x7f00000001c0)='./bus\x00', 0x200003, &(0x7f0000000000)=ANY=[], 0x21, 0x1cf, &(0x7f0000000740)="$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")
mount$overlay(0x0, &(0x7f0000000140)='./file0\x00', &(0x7f0000000380), 0x0, &(0x7f00000003c0)={[{@lowerdir={'lowerdir', 0x3d, './file0'}, 0x3a}], [], 0x2f})
openat$dir(0xffffffffffffff9c, &(0x7f0000000200)='.\x00', 0x0, 0x0)
r0 = syz_init_net_socket$bt_l2cap(0x1f, 0x5, 0x0)
bind$bt_l2cap(r0, &(0x7f0000000000)={0x1f, 0x0, @any, 0x4}, 0xe)
listen(r0, 0x3)
accept4(r0, 0x0, 0x0, 0x800)

program did not crash
program crashed: BUG: unable to handle kernel paging request in lock_sock_nested
single: successfully extracted reproducer
found reproducer with 7 syscalls
minimizing guilty program
testing program (duration=51.291973746s, {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}}): syz_mount_image$squashfs-mount$overlay-openat$dir-syz_init_net_socket$bt_l2cap-bind$bt_l2cap-listen
detailed listing:
executing program 0:
syz_mount_image$squashfs(&(0x7f0000000180), &(0x7f00000001c0)='./bus\x00', 0x200003, &(0x7f0000000000)=ANY=[], 0x21, 0x1cf, &(0x7f0000000740)="$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")
mount$overlay(0x0, &(0x7f0000000140)='./file0\x00', &(0x7f0000000380), 0x0, &(0x7f00000003c0)={[{@lowerdir={'lowerdir', 0x3d, './file0'}, 0x3a}], [], 0x2f})
openat$dir(0xffffffffffffff9c, &(0x7f0000000200)='.\x00', 0x0, 0x0)
r0 = syz_init_net_socket$bt_l2cap(0x1f, 0x5, 0x0)
bind$bt_l2cap(r0, &(0x7f0000000000)={0x1f, 0x0, @any, 0x4}, 0xe)
listen(r0, 0x3)

program did not crash
testing program (duration=51.291973746s, {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}}): syz_mount_image$squashfs-mount$overlay-openat$dir-syz_init_net_socket$bt_l2cap-bind$bt_l2cap-accept4
detailed listing:
executing program 0:
syz_mount_image$squashfs(&(0x7f0000000180), &(0x7f00000001c0)='./bus\x00', 0x200003, &(0x7f0000000000)=ANY=[], 0x21, 0x1cf, &(0x7f0000000740)="$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")
mount$overlay(0x0, &(0x7f0000000140)='./file0\x00', &(0x7f0000000380), 0x0, &(0x7f00000003c0)={[{@lowerdir={'lowerdir', 0x3d, './file0'}, 0x3a}], [], 0x2f})
openat$dir(0xffffffffffffff9c, &(0x7f0000000200)='.\x00', 0x0, 0x0)
r0 = syz_init_net_socket$bt_l2cap(0x1f, 0x5, 0x0)
bind$bt_l2cap(r0, &(0x7f0000000000)={0x1f, 0x0, @any, 0x4}, 0xe)
accept4(r0, 0x0, 0x0, 0x800)

program did not crash
testing program (duration=51.291973746s, {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}}): syz_mount_image$squashfs-mount$overlay-openat$dir-syz_init_net_socket$bt_l2cap-listen-accept4
detailed listing:
executing program 0:
syz_mount_image$squashfs(&(0x7f0000000180), &(0x7f00000001c0)='./bus\x00', 0x200003, &(0x7f0000000000)=ANY=[], 0x21, 0x1cf, &(0x7f0000000740)="$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")
mount$overlay(0x0, &(0x7f0000000140)='./file0\x00', &(0x7f0000000380), 0x0, &(0x7f00000003c0)={[{@lowerdir={'lowerdir', 0x3d, './file0'}, 0x3a}], [], 0x2f})
openat$dir(0xffffffffffffff9c, &(0x7f0000000200)='.\x00', 0x0, 0x0)
r0 = syz_init_net_socket$bt_l2cap(0x1f, 0x5, 0x0)
listen(r0, 0x3)
accept4(r0, 0x0, 0x0, 0x800)

program did not crash
testing program (duration=51.291973746s, {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}}): syz_mount_image$squashfs-mount$overlay-openat$dir-bind$bt_l2cap-listen-accept4
detailed listing:
executing program 0:
syz_mount_image$squashfs(&(0x7f0000000180), &(0x7f00000001c0)='./bus\x00', 0x200003, &(0x7f0000000000)=ANY=[], 0x21, 0x1cf, &(0x7f0000000740)="$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")
mount$overlay(0x0, &(0x7f0000000140)='./file0\x00', &(0x7f0000000380), 0x0, &(0x7f00000003c0)={[{@lowerdir={'lowerdir', 0x3d, './file0'}, 0x3a}], [], 0x2f})
openat$dir(0xffffffffffffff9c, &(0x7f0000000200)='.\x00', 0x0, 0x0)
bind$bt_l2cap(0xffffffffffffffff, &(0x7f0000000000)={0x1f, 0x0, @any, 0x4}, 0xe)
listen(0xffffffffffffffff, 0x3)
accept4(0xffffffffffffffff, 0x0, 0x0, 0x800)

program did not crash
testing program (duration=51.291973746s, {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}}): syz_mount_image$squashfs-mount$overlay-syz_init_net_socket$bt_l2cap-bind$bt_l2cap-listen-accept4
detailed listing:
executing program 0:
syz_mount_image$squashfs(&(0x7f0000000180), &(0x7f00000001c0)='./bus\x00', 0x200003, &(0x7f0000000000)=ANY=[], 0x21, 0x1cf, &(0x7f0000000740)="$eJzsVU+rElEU/x1nHK1Fto6gRRK2SGfGinYZRPQB2kaJTiaN/XGEUoSmld8jAr9Gi/ZtghZBG1tU0MJoGxP33jPjnd5b6HuKPLg/0N+5598998zl3MfRiwgA/i6nHbQg4eAMvhDBBnCBlO5OSfFPR3Gd199txZdZ/5Y5YUTjyZN2GAbDLQlJkrz+33S4d0EVgk32kJVzXGr6tLxf2TTPDgTaXeYjNConiCuwzcKSyvrOt2/t86PkhAeW6uN2Ev7Z93GG9vHCxSBY2/kdcheAhGCtHy4FOmhaLW++KeCXvOmfl9OOEB7ylBK6rvqR7iO+5gfN55wtf2QhyXzEzSeISVNCYzR43ojGkyv9QbsX9IKnvt+87l513Wt+41E/DFz1T9oW6YgS3JJJgFOavQjgKw/Y09DwQ2y7Ko3tpMeK9ic8pGsXkUNBi7WYCe+zWA6DaME9XEIZwMuYNG1VZrEhj3QXBIsXHpcLyvYqS0O98yzszkCgNGwOO8vhLVCUC2dVo7I0b8SpasZcZS4yz5kXzOmblb5FtszwjVe1WJT4qj0aDT3nI4d44tWTOt9Jrf7ZWG+Y2PW3kz/c+RIMDAwMDAwMDE4Y/gUAAP//ruxR0w==")
mount$overlay(0x0, &(0x7f0000000140)='./file0\x00', &(0x7f0000000380), 0x0, &(0x7f00000003c0)={[{@lowerdir={'lowerdir', 0x3d, './file0'}, 0x3a}], [], 0x2f})
r0 = syz_init_net_socket$bt_l2cap(0x1f, 0x5, 0x0)
bind$bt_l2cap(r0, &(0x7f0000000000)={0x1f, 0x0, @any, 0x4}, 0xe)
listen(r0, 0x3)
accept4(r0, 0x0, 0x0, 0x800)

program crashed: BUG: unable to handle kernel paging request in lock_sock_nested
testing program (duration=51.291973746s, {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}}): syz_mount_image$squashfs-syz_init_net_socket$bt_l2cap-bind$bt_l2cap-listen-accept4
detailed listing:
executing program 0:
syz_mount_image$squashfs(&(0x7f0000000180), &(0x7f00000001c0)='./bus\x00', 0x200003, &(0x7f0000000000)=ANY=[], 0x21, 0x1cf, &(0x7f0000000740)="$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")
r0 = syz_init_net_socket$bt_l2cap(0x1f, 0x5, 0x0)
bind$bt_l2cap(r0, &(0x7f0000000000)={0x1f, 0x0, @any, 0x4}, 0xe)
listen(r0, 0x3)
accept4(r0, 0x0, 0x0, 0x800)

program did not crash
testing program (duration=51.291973746s, {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$overlay-syz_init_net_socket$bt_l2cap-bind$bt_l2cap-listen-accept4
detailed listing:
executing program 0:
mount$overlay(0x0, &(0x7f0000000140)='./file0\x00', &(0x7f0000000380), 0x0, &(0x7f00000003c0)={[{@lowerdir={'lowerdir', 0x3d, './file0'}, 0x3a}], [], 0x2f})
r0 = syz_init_net_socket$bt_l2cap(0x1f, 0x5, 0x0)
bind$bt_l2cap(r0, &(0x7f0000000000)={0x1f, 0x0, @any, 0x4}, 0xe)
listen(r0, 0x3)
accept4(r0, 0x0, 0x0, 0x800)

program did not crash
testing program (duration=51.291973746s, {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}}): syz_mount_image$squashfs-mount$overlay-syz_init_net_socket$bt_l2cap-bind$bt_l2cap-listen-accept4
detailed listing:
executing program 0:
syz_mount_image$squashfs(&(0x7f0000000180), &(0x7f00000001c0)='./bus\x00', 0x200003, &(0x7f0000000000)=ANY=[], 0x21, 0x1cf, &(0x7f0000000740)="$eJzsVU+rElEU/x1nHK1Fto6gRRK2SGfGinYZRPQB2kaJTiaN/XGEUoSmld8jAr9Gi/ZtghZBG1tU0MJoGxP33jPjnd5b6HuKPLg/0N+5598998zl3MfRiwgA/i6nHbQg4eAMvhDBBnCBlO5OSfFPR3Gd199txZdZ/5Y5YUTjyZN2GAbDLQlJkrz+33S4d0EVgk32kJVzXGr6tLxf2TTPDgTaXeYjNConiCuwzcKSyvrOt2/t86PkhAeW6uN2Ev7Z93GG9vHCxSBY2/kdcheAhGCtHy4FOmhaLW++KeCXvOmfl9OOEB7ylBK6rvqR7iO+5gfN55wtf2QhyXzEzSeISVNCYzR43ojGkyv9QbsX9IKnvt+87l513Wt+41E/DFz1T9oW6YgS3JJJgFOavQjgKw/Y09DwQ2y7Ko3tpMeK9ic8pGsXkUNBi7WYCe+zWA6DaME9XEIZwMuYNG1VZrEhj3QXBIsXHpcLyvYqS0O98yzszkCgNGwOO8vhLVCUC2dVo7I0b8SpasZcZS4yz5kXzOmblb5FtszwjVe1WJT4qj0aDT3nI4d44tWTOt9Jrf7ZWG+Y2PW3kz/c+RIMDAwMDAwMDE4Y/gUAAP//ruxR0w==")
mount$overlay(0x0, 0x0, &(0x7f0000000380), 0x0, &(0x7f00000003c0)={[{@lowerdir={'lowerdir', 0x3d, './file0'}, 0x3a}], [], 0x2f})
r0 = syz_init_net_socket$bt_l2cap(0x1f, 0x5, 0x0)
bind$bt_l2cap(r0, &(0x7f0000000000)={0x1f, 0x0, @any, 0x4}, 0xe)
listen(r0, 0x3)
accept4(r0, 0x0, 0x0, 0x800)

program did not crash
testing program (duration=51.291973746s, {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}}): syz_mount_image$squashfs-mount$overlay-syz_init_net_socket$bt_l2cap-bind$bt_l2cap-listen-accept4
detailed listing:
executing program 0:
syz_mount_image$squashfs(&(0x7f0000000180), &(0x7f00000001c0)='./bus\x00', 0x200003, &(0x7f0000000000)=ANY=[], 0x21, 0x1cf, &(0x7f0000000740)="$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")
mount$overlay(0x0, &(0x7f0000000140)='./file0\x00', 0x0, 0x0, &(0x7f00000003c0)={[{@lowerdir={'lowerdir', 0x3d, './file0'}, 0x3a}], [], 0x2f})
r0 = syz_init_net_socket$bt_l2cap(0x1f, 0x5, 0x0)
bind$bt_l2cap(r0, &(0x7f0000000000)={0x1f, 0x0, @any, 0x4}, 0xe)
listen(r0, 0x3)
accept4(r0, 0x0, 0x0, 0x800)

program did not crash
testing program (duration=51.291973746s, {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}}): syz_mount_image$squashfs-mount$overlay-syz_init_net_socket$bt_l2cap-bind$bt_l2cap-listen-accept4
detailed listing:
executing program 0:
syz_mount_image$squashfs(&(0x7f0000000180), &(0x7f00000001c0)='./bus\x00', 0x200003, &(0x7f0000000000)=ANY=[], 0x21, 0x1cf, &(0x7f0000000740)="$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")
mount$overlay(0x0, &(0x7f0000000140)='./file0\x00', &(0x7f0000000380), 0x0, 0x0)
r0 = syz_init_net_socket$bt_l2cap(0x1f, 0x5, 0x0)
bind$bt_l2cap(r0, &(0x7f0000000000)={0x1f, 0x0, @any, 0x4}, 0xe)
listen(r0, 0x3)
accept4(r0, 0x0, 0x0, 0x800)

program did not crash
testing program (duration=51.291973746s, {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}}): syz_mount_image$squashfs-mount$overlay-syz_init_net_socket$bt_l2cap-bind$bt_l2cap-listen-accept4
detailed listing:
executing program 0:
syz_mount_image$squashfs(&(0x7f0000000180), &(0x7f00000001c0)='./bus\x00', 0x200003, &(0x7f0000000000)=ANY=[], 0x21, 0x1cf, &(0x7f0000000740)="$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")
mount$overlay(0x0, &(0x7f0000000140)='./file0\x00', &(0x7f0000000380), 0x0, &(0x7f00000003c0)={[{@lowerdir={'lowerdir', 0x3d, './file0'}, 0x3a}], [], 0x2f})
r0 = syz_init_net_socket$bt_l2cap(0x1f, 0x5, 0x0)
bind$bt_l2cap(r0, 0x0, 0x0)
listen(r0, 0x3)
accept4(r0, 0x0, 0x0, 0x800)

program did not crash
extracting C reproducer
testing compiled C program (duration=51.291973746s, {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}}): syz_mount_image$squashfs-mount$overlay-syz_init_net_socket$bt_l2cap-bind$bt_l2cap-listen-accept4
program did not crash
simplifying guilty program options
testing program (duration=51.291973746s, {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}}): syz_mount_image$squashfs-mount$overlay-syz_init_net_socket$bt_l2cap-bind$bt_l2cap-listen-accept4
detailed listing:
executing program 0:
syz_mount_image$squashfs(&(0x7f0000000180), &(0x7f00000001c0)='./bus\x00', 0x200003, &(0x7f0000000000)=ANY=[], 0x21, 0x1cf, &(0x7f0000000740)="$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")
mount$overlay(0x0, &(0x7f0000000140)='./file0\x00', &(0x7f0000000380), 0x0, &(0x7f00000003c0)={[{@lowerdir={'lowerdir', 0x3d, './file0'}, 0x3a}], [], 0x2f})
r0 = syz_init_net_socket$bt_l2cap(0x1f, 0x5, 0x0)
bind$bt_l2cap(r0, &(0x7f0000000000)={0x1f, 0x0, @any, 0x4}, 0xe)
listen(r0, 0x3)
accept4(r0, 0x0, 0x0, 0x800)

program crashed: BUG: unable to handle kernel paging request in lock_sock_nested
extracting C reproducer
testing compiled C program (duration=51.291973746s, {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}}): syz_mount_image$squashfs-mount$overlay-syz_init_net_socket$bt_l2cap-bind$bt_l2cap-listen-accept4
program did not crash
testing program (duration=51.291973746s, {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}}): syz_mount_image$squashfs-mount$overlay-syz_init_net_socket$bt_l2cap-bind$bt_l2cap-listen-accept4
detailed listing:
executing program 0:
syz_mount_image$squashfs(&(0x7f0000000180), &(0x7f00000001c0)='./bus\x00', 0x200003, &(0x7f0000000000)=ANY=[], 0x21, 0x1cf, &(0x7f0000000740)="$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")
mount$overlay(0x0, &(0x7f0000000140)='./file0\x00', &(0x7f0000000380), 0x0, &(0x7f00000003c0)={[{@lowerdir={'lowerdir', 0x3d, './file0'}, 0x3a}], [], 0x2f})
r0 = syz_init_net_socket$bt_l2cap(0x1f, 0x5, 0x0)
bind$bt_l2cap(r0, &(0x7f0000000000)={0x1f, 0x0, @any, 0x4}, 0xe)
listen(r0, 0x3)
accept4(r0, 0x0, 0x0, 0x800)

program did not crash
testing program (duration=51.291973746s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$squashfs-mount$overlay-syz_init_net_socket$bt_l2cap-bind$bt_l2cap-listen-accept4
detailed listing:
executing program 0:
syz_mount_image$squashfs(&(0x7f0000000180), &(0x7f00000001c0)='./bus\x00', 0x200003, &(0x7f0000000000)=ANY=[], 0x21, 0x1cf, &(0x7f0000000740)="$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")
mount$overlay(0x0, &(0x7f0000000140)='./file0\x00', &(0x7f0000000380), 0x0, &(0x7f00000003c0)={[{@lowerdir={'lowerdir', 0x3d, './file0'}, 0x3a}], [], 0x2f})
r0 = syz_init_net_socket$bt_l2cap(0x1f, 0x5, 0x0)
bind$bt_l2cap(r0, &(0x7f0000000000)={0x1f, 0x0, @any, 0x4}, 0xe)
listen(r0, 0x3)
accept4(r0, 0x0, 0x0, 0x800)

program did not crash
testing program (duration=51.291973746s, {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}}): syz_mount_image$squashfs-mount$overlay-syz_init_net_socket$bt_l2cap-bind$bt_l2cap-listen-accept4
detailed listing:
executing program 0:
syz_mount_image$squashfs(&(0x7f0000000180), &(0x7f00000001c0)='./bus\x00', 0x200003, &(0x7f0000000000)=ANY=[], 0x21, 0x1cf, &(0x7f0000000740)="$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")
mount$overlay(0x0, &(0x7f0000000140)='./file0\x00', &(0x7f0000000380), 0x0, &(0x7f00000003c0)={[{@lowerdir={'lowerdir', 0x3d, './file0'}, 0x3a}], [], 0x2f})
r0 = syz_init_net_socket$bt_l2cap(0x1f, 0x5, 0x0)
bind$bt_l2cap(r0, &(0x7f0000000000)={0x1f, 0x0, @any, 0x4}, 0xe)
listen(r0, 0x3)
accept4(r0, 0x0, 0x0, 0x800)

program crashed: BUG: unable to handle kernel paging request in lock_sock_nested
validation run: crashed=true
testing program (duration=51.291973746s, {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}}): syz_mount_image$squashfs-mount$overlay-syz_init_net_socket$bt_l2cap-bind$bt_l2cap-listen-accept4
detailed listing:
executing program 0:
syz_mount_image$squashfs(&(0x7f0000000180), &(0x7f00000001c0)='./bus\x00', 0x200003, &(0x7f0000000000)=ANY=[], 0x21, 0x1cf, &(0x7f0000000740)="$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")
mount$overlay(0x0, &(0x7f0000000140)='./file0\x00', &(0x7f0000000380), 0x0, &(0x7f00000003c0)={[{@lowerdir={'lowerdir', 0x3d, './file0'}, 0x3a}], [], 0x2f})
r0 = syz_init_net_socket$bt_l2cap(0x1f, 0x5, 0x0)
bind$bt_l2cap(r0, &(0x7f0000000000)={0x1f, 0x0, @any, 0x4}, 0xe)
listen(r0, 0x3)
accept4(r0, 0x0, 0x0, 0x800)

program crashed: BUG: unable to handle kernel paging request in lock_sock_nested
validation run: crashed=true
testing program (duration=51.291973746s, {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}}): syz_mount_image$squashfs-mount$overlay-syz_init_net_socket$bt_l2cap-bind$bt_l2cap-listen-accept4
detailed listing:
executing program 0:
syz_mount_image$squashfs(&(0x7f0000000180), &(0x7f00000001c0)='./bus\x00', 0x200003, &(0x7f0000000000)=ANY=[], 0x21, 0x1cf, &(0x7f0000000740)="$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")
mount$overlay(0x0, &(0x7f0000000140)='./file0\x00', &(0x7f0000000380), 0x0, &(0x7f00000003c0)={[{@lowerdir={'lowerdir', 0x3d, './file0'}, 0x3a}], [], 0x2f})
r0 = syz_init_net_socket$bt_l2cap(0x1f, 0x5, 0x0)
bind$bt_l2cap(r0, &(0x7f0000000000)={0x1f, 0x0, @any, 0x4}, 0xe)
listen(r0, 0x3)
accept4(r0, 0x0, 0x0, 0x800)

program crashed: BUG: unable to handle kernel paging request in lock_sock_nested
validation run: crashed=true
reproducing took 27m5.741961936s
repro crashed as (corrupted=false):
Unable to handle kernel paging request at virtual address dfff80000000004c
KASAN: null-ptr-deref in range [0x0000000000000260-0x0000000000000267]
Mem abort info:
  ESR = 0x0000000096000005
  EC = 0x25: DABT (current EL), IL = 32 bits
  SET = 0, FnV = 0
  EA = 0, S1PTW = 0
  FSC = 0x05: level 1 translation fault
Data abort info:
  ISV = 0, ISS = 0x00000005, ISS2 = 0x00000000
  CM = 0, WnR = 0, TnD = 0, TagAccess = 0
  GCS = 0, Overlay = 0, DirtyBit = 0, Xs = 0
[dfff80000000004c] address between user and kernel address ranges
Internal error: Oops: 0000000096000005 [#1]  SMP
Modules linked in:
CPU: 1 UID: 0 PID: 6776 Comm: kworker/1:5 Not tainted syzkaller #0 PREEMPT 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025
Workqueue: events l2cap_info_timeout
pstate: 23400005 (nzCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--)
pc : kasan_byte_accessible+0x10/0x20 mm/kasan/generic.c:210
lr : __kasan_check_byte+0x20/0x54 mm/kasan/common.c:573
sp : ffff8000a1a57790
x29: ffff8000a1a57790 x28: ffff80008f871000 x27: ffff0000caa6b900
x26: fb888000891b31c4 x25: 0000000000000000 x24: 0000000000000001
x23: 0000000000000000 x22: 0000000000000260 x21: 0000000000000260
x20: 0000000000000000 x19: ffff8000891b31c4 x18: 00000000ffffffff
x17: ffff800093599000 x16: ffff800082e5e68c x15: 0000000000000001
x14: 1fffe00019e2b221 x13: 0000000000000000 x12: 0000000000000000
x11: ffff800093398d48 x10: 0000000000000003 x9 : dfff800000000000
x8 : 000000000000004c x7 : ffff800082e60154 x6 : ffff80008a23d440
x5 : 0000000000000000 x4 : 0000000000000001 x3 : 0000000000000000
x2 : 0000000000000000 x1 : ffff8000891b31c4 x0 : 0000000000000260
Call trace:
 kasan_mem_to_shadow include/linux/kasan.h:65 [inline] (P)
 kasan_byte_accessible+0x10/0x20 mm/kasan/generic.c:210 (P)
 kasan_check_byte include/linux/kasan.h:402 [inline]
 lock_acquire+0xa4/0x2e0 kernel/locking/lockdep.c:5842
 lock_sock_nested+0x58/0x118 net/core/sock.c:3780
 lock_sock include/net/sock.h:1700 [inline]
 l2cap_sock_ready_cb+0x4c/0x15c net/bluetooth/l2cap_sock.c:1677
 l2cap_chan_ready net/bluetooth/l2cap_core.c:1264 [inline]
 l2cap_conn_start+0x53c/0xad0 net/bluetooth/l2cap_core.c:1513
 l2cap_info_timeout+0x78/0xb0 net/bluetooth/l2cap_core.c:1670
 process_one_work+0x7c0/0x1558 kernel/workqueue.c:3257
 process_scheduled_works kernel/workqueue.c:3340 [inline]
 worker_thread+0x958/0xed8 kernel/workqueue.c:3421
 kthread+0x5fc/0x75c kernel/kthread.c:463
 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:844
Code: d503245f d343fc08 d2d00009 f2fbffe9 (38696908) 
---[ end trace 0000000000000000 ]---
----------------
Code disassembly (best guess):
   0:	d503245f 	bti	c
   4:	d343fc08 	lsr	x8, x0, #3
   8:	d2d00009 	mov	x9, #0x800000000000        	// #140737488355328
   c:	f2fbffe9 	movk	x9, #0xdfff, lsl #48
* 10:	38696908 	ldrb	w8, [x8, x9] <-- trapping instruction

final repro crashed as (corrupted=false):
Unable to handle kernel paging request at virtual address dfff80000000004c
KASAN: null-ptr-deref in range [0x0000000000000260-0x0000000000000267]
Mem abort info:
  ESR = 0x0000000096000005
  EC = 0x25: DABT (current EL), IL = 32 bits
  SET = 0, FnV = 0
  EA = 0, S1PTW = 0
  FSC = 0x05: level 1 translation fault
Data abort info:
  ISV = 0, ISS = 0x00000005, ISS2 = 0x00000000
  CM = 0, WnR = 0, TnD = 0, TagAccess = 0
  GCS = 0, Overlay = 0, DirtyBit = 0, Xs = 0
[dfff80000000004c] address between user and kernel address ranges
Internal error: Oops: 0000000096000005 [#1]  SMP
Modules linked in:
CPU: 1 UID: 0 PID: 6776 Comm: kworker/1:5 Not tainted syzkaller #0 PREEMPT 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025
Workqueue: events l2cap_info_timeout
pstate: 23400005 (nzCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--)
pc : kasan_byte_accessible+0x10/0x20 mm/kasan/generic.c:210
lr : __kasan_check_byte+0x20/0x54 mm/kasan/common.c:573
sp : ffff8000a1a57790
x29: ffff8000a1a57790 x28: ffff80008f871000 x27: ffff0000caa6b900
x26: fb888000891b31c4 x25: 0000000000000000 x24: 0000000000000001
x23: 0000000000000000 x22: 0000000000000260 x21: 0000000000000260
x20: 0000000000000000 x19: ffff8000891b31c4 x18: 00000000ffffffff
x17: ffff800093599000 x16: ffff800082e5e68c x15: 0000000000000001
x14: 1fffe00019e2b221 x13: 0000000000000000 x12: 0000000000000000
x11: ffff800093398d48 x10: 0000000000000003 x9 : dfff800000000000
x8 : 000000000000004c x7 : ffff800082e60154 x6 : ffff80008a23d440
x5 : 0000000000000000 x4 : 0000000000000001 x3 : 0000000000000000
x2 : 0000000000000000 x1 : ffff8000891b31c4 x0 : 0000000000000260
Call trace:
 kasan_mem_to_shadow include/linux/kasan.h:65 [inline] (P)
 kasan_byte_accessible+0x10/0x20 mm/kasan/generic.c:210 (P)
 kasan_check_byte include/linux/kasan.h:402 [inline]
 lock_acquire+0xa4/0x2e0 kernel/locking/lockdep.c:5842
 lock_sock_nested+0x58/0x118 net/core/sock.c:3780
 lock_sock include/net/sock.h:1700 [inline]
 l2cap_sock_ready_cb+0x4c/0x15c net/bluetooth/l2cap_sock.c:1677
 l2cap_chan_ready net/bluetooth/l2cap_core.c:1264 [inline]
 l2cap_conn_start+0x53c/0xad0 net/bluetooth/l2cap_core.c:1513
 l2cap_info_timeout+0x78/0xb0 net/bluetooth/l2cap_core.c:1670
 process_one_work+0x7c0/0x1558 kernel/workqueue.c:3257
 process_scheduled_works kernel/workqueue.c:3340 [inline]
 worker_thread+0x958/0xed8 kernel/workqueue.c:3421
 kthread+0x5fc/0x75c kernel/kthread.c:463
 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:844
Code: d503245f d343fc08 d2d00009 f2fbffe9 (38696908) 
---[ end trace 0000000000000000 ]---
----------------
Code disassembly (best guess):
   0:	d503245f 	bti	c
   4:	d343fc08 	lsr	x8, x0, #3
   8:	d2d00009 	mov	x9, #0x800000000000        	// #140737488355328
   c:	f2fbffe9 	movk	x9, #0xdfff, lsl #48
* 10:	38696908 	ldrb	w8, [x8, x9] <-- trapping instruction