Extracting prog: 8m18.649205672s
Minimizing prog: 41m13.87396281s
Simplifying prog options: 14m58.020850503s
Extracting C: 5m39.921315095s
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$ext4-open-mount-syz_init_net_socket$bt_l2cap-bind$bt_l2cap-listen-mmap
detailed listing:
executing program 0:
syz_mount_image$ext4(&(0x7f0000000200)='ext4\x00', &(0x7f0000000740)='./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa\x00', 0x0, &(0x7f00000006c0), 0xfe, 0x246, &(0x7f0000000ac0)="$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")
open(&(0x7f0000000080)='./bus\x00', 0xa942, 0x0)
mount(&(0x7f0000000380)=@loop={'/dev/loop', 0x0}, &(0x7f0000000140)='./bus\x00', 0x0, 0x1000, 0x0)
r0 = syz_init_net_socket$bt_l2cap(0x1f, 0x1, 0x0)
bind$bt_l2cap(r0, &(0x7f0000000000)={0x1f, 0x0, @any, 0x2}, 0xe)
listen(r0, 0x0)
mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x0)

program did not crash
program did not crash
single: failed to extract reproducer
single: executing 1 programs separately with timeout 1m40s
testing program (duration=1m40s, {Threaded:true Repeat:true RepeatTimes:0 Procs: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$ext4-open-mount-syz_init_net_socket$bt_l2cap-bind$bt_l2cap-listen-mmap
detailed listing:
executing program 0:
syz_mount_image$ext4(&(0x7f0000000200)='ext4\x00', &(0x7f0000000740)='./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa\x00', 0x0, &(0x7f00000006c0), 0xfe, 0x246, &(0x7f0000000ac0)="$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")
open(&(0x7f0000000080)='./bus\x00', 0xa942, 0x0)
mount(&(0x7f0000000380)=@loop={'/dev/loop', 0x0}, &(0x7f0000000140)='./bus\x00', 0x0, 0x1000, 0x0)
r0 = syz_init_net_socket$bt_l2cap(0x1f, 0x1, 0x0)
bind$bt_l2cap(r0, &(0x7f0000000000)={0x1f, 0x0, @any, 0x2}, 0xe)
listen(r0, 0x0)
mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x0)

program did not crash
single: failed to extract reproducer
single: executing 1 programs separately with timeout 6m0s
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4-open-mount-syz_init_net_socket$bt_l2cap-bind$bt_l2cap-listen-mmap
detailed listing:
executing program 0:
syz_mount_image$ext4(&(0x7f0000000200)='ext4\x00', &(0x7f0000000740)='./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa\x00', 0x0, &(0x7f00000006c0), 0xfe, 0x246, &(0x7f0000000ac0)="$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")
open(&(0x7f0000000080)='./bus\x00', 0xa942, 0x0)
mount(&(0x7f0000000380)=@loop={'/dev/loop', 0x0}, &(0x7f0000000140)='./bus\x00', 0x0, 0x1000, 0x0)
r0 = syz_init_net_socket$bt_l2cap(0x1f, 0x1, 0x0)
bind$bt_l2cap(r0, &(0x7f0000000000)={0x1f, 0x0, @any, 0x2}, 0xe)
listen(r0, 0x0)
mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x0)

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=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4-open-mount-syz_init_net_socket$bt_l2cap-bind$bt_l2cap-listen
detailed listing:
executing program 0:
syz_mount_image$ext4(&(0x7f0000000200)='ext4\x00', &(0x7f0000000740)='./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa\x00', 0x0, &(0x7f00000006c0), 0xfe, 0x246, &(0x7f0000000ac0)="$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")
open(&(0x7f0000000080)='./bus\x00', 0xa942, 0x0)
mount(&(0x7f0000000380)=@loop={'/dev/loop', 0x0}, &(0x7f0000000140)='./bus\x00', 0x0, 0x1000, 0x0)
r0 = syz_init_net_socket$bt_l2cap(0x1f, 0x1, 0x0)
bind$bt_l2cap(r0, &(0x7f0000000000)={0x1f, 0x0, @any, 0x2}, 0xe)
listen(r0, 0x0)

program did not crash
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4-open-mount-syz_init_net_socket$bt_l2cap-bind$bt_l2cap-mmap
detailed listing:
executing program 0:
syz_mount_image$ext4(&(0x7f0000000200)='ext4\x00', &(0x7f0000000740)='./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa\x00', 0x0, &(0x7f00000006c0), 0xfe, 0x246, &(0x7f0000000ac0)="$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")
open(&(0x7f0000000080)='./bus\x00', 0xa942, 0x0)
mount(&(0x7f0000000380)=@loop={'/dev/loop', 0x0}, &(0x7f0000000140)='./bus\x00', 0x0, 0x1000, 0x0)
r0 = syz_init_net_socket$bt_l2cap(0x1f, 0x1, 0x0)
bind$bt_l2cap(r0, &(0x7f0000000000)={0x1f, 0x0, @any, 0x2}, 0xe)
mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x0)

program did not crash
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4-open-mount-syz_init_net_socket$bt_l2cap-listen-mmap
detailed listing:
executing program 0:
syz_mount_image$ext4(&(0x7f0000000200)='ext4\x00', &(0x7f0000000740)='./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa\x00', 0x0, &(0x7f00000006c0), 0xfe, 0x246, &(0x7f0000000ac0)="$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")
open(&(0x7f0000000080)='./bus\x00', 0xa942, 0x0)
mount(&(0x7f0000000380)=@loop={'/dev/loop', 0x0}, &(0x7f0000000140)='./bus\x00', 0x0, 0x1000, 0x0)
r0 = syz_init_net_socket$bt_l2cap(0x1f, 0x1, 0x0)
listen(r0, 0x0)
mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x0)

program did not crash
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4-open-mount-bind$bt_l2cap-listen-mmap
detailed listing:
executing program 0:
syz_mount_image$ext4(&(0x7f0000000200)='ext4\x00', &(0x7f0000000740)='./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa\x00', 0x0, &(0x7f00000006c0), 0xfe, 0x246, &(0x7f0000000ac0)="$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")
open(&(0x7f0000000080)='./bus\x00', 0xa942, 0x0)
mount(&(0x7f0000000380)=@loop={'/dev/loop', 0x0}, &(0x7f0000000140)='./bus\x00', 0x0, 0x1000, 0x0)
bind$bt_l2cap(0xffffffffffffffff, &(0x7f0000000000)={0x1f, 0x0, @any, 0x2}, 0xe)
listen(0xffffffffffffffff, 0x0)
mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x0)

program did not crash
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4-open-syz_init_net_socket$bt_l2cap-bind$bt_l2cap-listen-mmap
detailed listing:
executing program 0:
syz_mount_image$ext4(&(0x7f0000000200)='ext4\x00', &(0x7f0000000740)='./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa\x00', 0x0, &(0x7f00000006c0), 0xfe, 0x246, &(0x7f0000000ac0)="$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")
open(&(0x7f0000000080)='./bus\x00', 0xa942, 0x0)
r0 = syz_init_net_socket$bt_l2cap(0x1f, 0x1, 0x0)
bind$bt_l2cap(r0, &(0x7f0000000000)={0x1f, 0x0, @any, 0x2}, 0xe)
listen(r0, 0x0)
mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x0)

program crashed: BUG: unable to handle kernel paging request in lock_sock_nested
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4-syz_init_net_socket$bt_l2cap-bind$bt_l2cap-listen-mmap
detailed listing:
executing program 0:
syz_mount_image$ext4(&(0x7f0000000200)='ext4\x00', &(0x7f0000000740)='./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa\x00', 0x0, &(0x7f00000006c0), 0xfe, 0x246, &(0x7f0000000ac0)="$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")
r0 = syz_init_net_socket$bt_l2cap(0x1f, 0x1, 0x0)
bind$bt_l2cap(r0, &(0x7f0000000000)={0x1f, 0x0, @any, 0x2}, 0xe)
listen(r0, 0x0)
mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x0)

program crashed: BUG: unable to handle kernel paging request in lock_sock_nested
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_init_net_socket$bt_l2cap-bind$bt_l2cap-listen-mmap
detailed listing:
executing program 0:
r0 = syz_init_net_socket$bt_l2cap(0x1f, 0x1, 0x0)
bind$bt_l2cap(r0, &(0x7f0000000000)={0x1f, 0x0, @any, 0x2}, 0xe)
listen(r0, 0x0)
mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x0)

program crashed: BUG: unable to handle kernel paging request in lock_sock_nested
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_init_net_socket$bt_l2cap-bind$bt_l2cap-listen-mmap
detailed listing:
executing program 0:
r0 = syz_init_net_socket$bt_l2cap(0x1f, 0x1, 0x0)
bind$bt_l2cap(r0, 0x0, 0x0)
listen(r0, 0x0)
mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x0)

program did not crash
extracting C reproducer
testing compiled C program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_init_net_socket$bt_l2cap-bind$bt_l2cap-listen-mmap
program crashed: no output from test machine
a never seen crash title: no output from test machine, ignore
simplifying guilty program options
testing program (duration=6m0s, {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_init_net_socket$bt_l2cap-bind$bt_l2cap-listen-mmap
detailed listing:
executing program 0:
r0 = syz_init_net_socket$bt_l2cap(0x1f, 0x1, 0x0)
bind$bt_l2cap(r0, &(0x7f0000000000)={0x1f, 0x0, @any, 0x2}, 0xe)
listen(r0, 0x0)
mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x0)

program crashed: BUG: unable to handle kernel paging request in lock_sock_nested
extracting C reproducer
testing compiled C program (duration=6m0s, {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_init_net_socket$bt_l2cap-bind$bt_l2cap-listen-mmap
program crashed: no output from test machine
a never seen crash title: no output from test machine, ignore
testing program (duration=6m0s, {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_init_net_socket$bt_l2cap-bind$bt_l2cap-listen-mmap
detailed listing:
executing program 0:
r0 = syz_init_net_socket$bt_l2cap(0x1f, 0x1, 0x0)
bind$bt_l2cap(r0, &(0x7f0000000000)={0x1f, 0x0, @any, 0x2}, 0xe)
listen(r0, 0x0)
mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x0)

program did not crash
testing program (duration=6m0s, {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_init_net_socket$bt_l2cap-bind$bt_l2cap-listen-mmap
detailed listing:
executing program 0:
r0 = syz_init_net_socket$bt_l2cap(0x1f, 0x1, 0x0)
bind$bt_l2cap(r0, &(0x7f0000000000)={0x1f, 0x0, @any, 0x2}, 0xe)
listen(r0, 0x0)
mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x0)

program crashed: BUG: unable to handle kernel paging request in lock_sock_nested
validation run: crashed=true
testing program (duration=6m0s, {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_init_net_socket$bt_l2cap-bind$bt_l2cap-listen-mmap
detailed listing:
executing program 0:
r0 = syz_init_net_socket$bt_l2cap(0x1f, 0x1, 0x0)
bind$bt_l2cap(r0, &(0x7f0000000000)={0x1f, 0x0, @any, 0x2}, 0xe)
listen(r0, 0x0)
mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x0)

program crashed: BUG: unable to handle kernel paging request in lock_sock_nested
validation run: crashed=true
testing program (duration=6m0s, {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_init_net_socket$bt_l2cap-bind$bt_l2cap-listen-mmap
detailed listing:
executing program 0:
r0 = syz_init_net_socket$bt_l2cap(0x1f, 0x1, 0x0)
bind$bt_l2cap(r0, &(0x7f0000000000)={0x1f, 0x0, @any, 0x2}, 0xe)
listen(r0, 0x0)
mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x0)

program crashed: BUG: unable to handle kernel paging request in lock_sock_nested
validation run: crashed=true
reproducing took 1h18m53.446340802s
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: 26 Comm: kworker/1:1 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:579
sp : ffff800097b77790
x29: ffff800097b77790 x28: ffff80008f5b1000 x27: ffff0000c1aebd80
x26: 6ace8000890506f8 x25: 0000000000000000 x24: 0000000000000001
x23: 0000000000000000 x22: 0000000000000260 x21: 0000000000000260
x20: 0000000000000000 x19: ffff8000890506f8 x18: 000000004870672b
x17: ffff800093335000 x16: ffff800082defcc0 x15: 0000000000000001
x14: 1fffe0001b438e21 x13: 0000000000000000 x12: 0000000000000000
x11: ffff800093134c88 x10: 0000000000000003 x9 : dfff800000000000
x8 : 000000000000004c x7 : ffff800082df1788 x6 : ffff80008a0bb6b8
x5 : 0000000000000000 x4 : 0000000000000001 x3 : 0000000000000000
x2 : 0000000000000000 x1 : ffff8000890506f8 x0 : 0000000000000260
Call trace:
 kasan_mem_to_shadow include/linux/kasan.h:64 [inline] (P)
 kasan_byte_accessible+0x10/0x20 mm/kasan/generic.c:210 (P)
 kasan_check_byte include/linux/kasan.h:401 [inline]
 lock_acquire+0xb0/0x2e0 kernel/locking/lockdep.c:5842
 lock_sock_nested+0x58/0x118 net/core/sock.c:3720
 lock_sock include/net/sock.h:1679 [inline]
 l2cap_sock_ready_cb+0x4c/0x130 net/bluetooth/l2cap_sock.c:1677
 l2cap_chan_ready net/bluetooth/l2cap_core.c:1264 [inline]
 l2cap_conn_start+0x588/0xba4 net/bluetooth/l2cap_core.c:1513
 l2cap_info_timeout+0x78/0xb0 net/bluetooth/l2cap_core.c:1670
 process_one_work+0x7e8/0x155c kernel/workqueue.c:3263
 process_scheduled_works kernel/workqueue.c:3346 [inline]
 worker_thread+0x958/0xed8 kernel/workqueue.c:3427
 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: 26 Comm: kworker/1:1 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:579
sp : ffff800097b77790
x29: ffff800097b77790 x28: ffff80008f5b1000 x27: ffff0000c1aebd80
x26: 6ace8000890506f8 x25: 0000000000000000 x24: 0000000000000001
x23: 0000000000000000 x22: 0000000000000260 x21: 0000000000000260
x20: 0000000000000000 x19: ffff8000890506f8 x18: 000000004870672b
x17: ffff800093335000 x16: ffff800082defcc0 x15: 0000000000000001
x14: 1fffe0001b438e21 x13: 0000000000000000 x12: 0000000000000000
x11: ffff800093134c88 x10: 0000000000000003 x9 : dfff800000000000
x8 : 000000000000004c x7 : ffff800082df1788 x6 : ffff80008a0bb6b8
x5 : 0000000000000000 x4 : 0000000000000001 x3 : 0000000000000000
x2 : 0000000000000000 x1 : ffff8000890506f8 x0 : 0000000000000260
Call trace:
 kasan_mem_to_shadow include/linux/kasan.h:64 [inline] (P)
 kasan_byte_accessible+0x10/0x20 mm/kasan/generic.c:210 (P)
 kasan_check_byte include/linux/kasan.h:401 [inline]
 lock_acquire+0xb0/0x2e0 kernel/locking/lockdep.c:5842
 lock_sock_nested+0x58/0x118 net/core/sock.c:3720
 lock_sock include/net/sock.h:1679 [inline]
 l2cap_sock_ready_cb+0x4c/0x130 net/bluetooth/l2cap_sock.c:1677
 l2cap_chan_ready net/bluetooth/l2cap_core.c:1264 [inline]
 l2cap_conn_start+0x588/0xba4 net/bluetooth/l2cap_core.c:1513
 l2cap_info_timeout+0x78/0xb0 net/bluetooth/l2cap_core.c:1670
 process_one_work+0x7e8/0x155c kernel/workqueue.c:3263
 process_scheduled_works kernel/workqueue.c:3346 [inline]
 worker_thread+0x958/0xed8 kernel/workqueue.c:3427
 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