Extracting prog: 2m52.383957323s
Minimizing prog: 11m9.559235049s
Simplifying prog options: 4m18.953846969s
Extracting C: 1m14.880502239s
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:6 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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$udf-syz_init_net_socket$bt_l2cap-bind$bt_l2cap-listen-syz_clone
detailed listing:
executing program 0:
syz_mount_image$udf(&(0x7f0000000000), &(0x7f0000000080)='./bus\x00', 0x1000000, &(0x7f0000000040)=ANY=[@ANYBLOB], 0x2, 0x58a, &(0x7f0000000740)="$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")
r0 = syz_init_net_socket$bt_l2cap(0x1f, 0x1, 0x0)
bind$bt_l2cap(r0, &(0x7f00000007c0)={0x1f, 0x0, @any, 0x4}, 0xe)
listen(r0, 0xffffffff)
syz_clone(0x0, 0x0, 0x0, 0x0, 0x0, 0x0)

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:6 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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$udf-syz_init_net_socket$bt_l2cap-bind$bt_l2cap-listen-syz_clone
detailed listing:
executing program 0:
syz_mount_image$udf(&(0x7f0000000000), &(0x7f0000000080)='./bus\x00', 0x1000000, &(0x7f0000000040)=ANY=[@ANYBLOB], 0x2, 0x58a, &(0x7f0000000740)="$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")
r0 = syz_init_net_socket$bt_l2cap(0x1f, 0x1, 0x0)
bind$bt_l2cap(r0, &(0x7f00000007c0)={0x1f, 0x0, @any, 0x4}, 0xe)
listen(r0, 0xffffffff)
syz_clone(0x0, 0x0, 0x0, 0x0, 0x0, 0x0)

program crashed: general protection fault in lock_sock_nested
single: successfully extracted reproducer
found reproducer with 5 syscalls
minimizing guilty program
testing program (duration=1m40s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$udf-syz_init_net_socket$bt_l2cap-bind$bt_l2cap-listen
detailed listing:
executing program 0:
syz_mount_image$udf(&(0x7f0000000000), &(0x7f0000000080)='./bus\x00', 0x1000000, &(0x7f0000000040)=ANY=[@ANYBLOB], 0x2, 0x58a, &(0x7f0000000740)="$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")
r0 = syz_init_net_socket$bt_l2cap(0x1f, 0x1, 0x0)
bind$bt_l2cap(r0, &(0x7f00000007c0)={0x1f, 0x0, @any, 0x4}, 0xe)
listen(r0, 0xffffffff)

program did not crash
testing program (duration=1m40s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$udf-syz_init_net_socket$bt_l2cap-bind$bt_l2cap-syz_clone
detailed listing:
executing program 0:
syz_mount_image$udf(&(0x7f0000000000), &(0x7f0000000080)='./bus\x00', 0x1000000, &(0x7f0000000040)=ANY=[@ANYBLOB], 0x2, 0x58a, &(0x7f0000000740)="$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")
r0 = syz_init_net_socket$bt_l2cap(0x1f, 0x1, 0x0)
bind$bt_l2cap(r0, &(0x7f00000007c0)={0x1f, 0x0, @any, 0x4}, 0xe)
syz_clone(0x0, 0x0, 0x0, 0x0, 0x0, 0x0)

program did not crash
testing program (duration=1m40s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$udf-syz_init_net_socket$bt_l2cap-listen-syz_clone
detailed listing:
executing program 0:
syz_mount_image$udf(&(0x7f0000000000), &(0x7f0000000080)='./bus\x00', 0x1000000, &(0x7f0000000040)=ANY=[@ANYBLOB], 0x2, 0x58a, &(0x7f0000000740)="$eJzs3c1rXWkZAPDnPc1NbzrtzJ22ttaOckHBMmJJ006qpjjWyQSE4oRp04UrY5N2wtwkJclIOgzahejG/8HVbBRkQN0ILnTrQnciA67ErVEGBhRHOSfnfiUZk5mbm4/m94PknnvOcz7eAwk872cAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAABFff/nm8JW0308BAAAA9NM3b786PCL/BwAAgCfaHe3/AAAAAAAAAHDYpcjih5Fi9dRaOll8X1e9NbfwxurU+MTWpw2l4sxjRXz+U70ycvXaC6PXv9T8/P/n77YL8crtOzfrLy3OP1yaXV6enalPLczdW5yZ3fEVej1/o+eLF1Cff/2Nmfv3l+sjl692HV6t/e34U+dqY19++eytZuzU+MTE7Y6YgcrHvvsmengAAAAcbYORxbVIcefiz9OpiMii91x4m7qDfhuKWp5/F4WYGp8oCtKYm15YyQ9ONhPhWndOPNjMkfcgF+9JLeJ0/qyDMnoAAAB2rhJZfCZSXPhgLT0dEceaefAXiokBt79AbQ8ecgsDEXEmIi7FIcjZAQAAYJ8djyxejRS/adTimTKvLvL/r0WM7ffDAQAAALtiILK4HineG1tLtaI/QEQ8PzU+Ub91t/6NhfuLHbGTqWxRP+zjA/aSvgkAAAAcANXI4lTR4r+Wnv2QmIE9fiYAAABgdw1FFv+KFJ9/8bvFvHJRzEv/zNhXTt6Y6Jxh7vw218ljL0fExR2Oya+Ucw1OpsmUsk1Xe7wrhQMAAAAK1ZTFXyPF+3+uFt8vlbl50ugPAAAAT46UxQ8ixVcn11LasC79sY71/VsO+9j//j7/UPWlxYePluYevLay5fET1ZvfWV5Zmr639eH1tQu7ukNst44hAAAA7EAlZfHPSPH7xjutvLNcA6DsAdBONN++0c5Nq2nD0aLe4Omi3qA1huCpkZHO7S1T1o8wP16tvO+x3osNAAAAR0pKWQxGis/97pPl2v8nYlMbdBn3h0hxY/G5Mi4bzOOawwRqxe/q/bnG7HAeOx4pftloxkYRe7yMPdOOvZLH/ja/7nR3bLWMPduOHcljP4gUry1tHfuJduzVPHYpUvzsJ/Vm7Ik89mQZe64de/neYmOmby8YAAAADoBKyuJXkeLH/663hvx3t/+3W9vffqvd3r9pgr4PafPvtf2/1rHvcVkPcbysrxjYpr7ilUhx4dnnmuUp6gqa3QrW1zpo11f8I1Isfas7drCMPd2OvbLjFwsAAAAHSLP//x/v/rrV5b7MgcuvW+f/n9o4P2Cf8v/ONQnzey4/evP16UZjdmk/Nyof8azvR0TXnnQQSmHjv6WD8jx7ulH+UT0+KM/T60Zv/wcBAOAoyPP/u5Fi9b13W+3dZf5fdpVv5//vf6+d/49tvFCf8v/THfvGyvkGKgMR1ZX5h5XzEdXlR29+cW5++sHsg9mFq6MvjA6Pjl6/NlIZbDbut7d6flcAAABwWOX5/3Ck+PuPftoan7+T9v8TGy/Up/z/TMe+/J7tRr98z196LT4AAAAcCXn+/4tI8aeL77Tm0evO/zvm/3+rPc7+0mfXewu0agf6lP+f7dhXK+4bMbRLZQcAAAAAAAAAAAAAAAAAAICDopKy+E+keLc6kMoJ/3c0/9/Mxgv1afz/uY59M7E36//1/FIBAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAADgkMoii7lI8enza+nFfMe3I052fgIAAACH3v8CAAD//16XHzs=")
r0 = syz_init_net_socket$bt_l2cap(0x1f, 0x1, 0x0)
listen(r0, 0xffffffff)
syz_clone(0x0, 0x0, 0x0, 0x0, 0x0, 0x0)

program did not crash
testing program (duration=1m40s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$udf-bind$bt_l2cap-listen-syz_clone
detailed listing:
executing program 0:
syz_mount_image$udf(&(0x7f0000000000), &(0x7f0000000080)='./bus\x00', 0x1000000, &(0x7f0000000040)=ANY=[@ANYBLOB], 0x2, 0x58a, &(0x7f0000000740)="$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")
bind$bt_l2cap(0xffffffffffffffff, &(0x7f00000007c0)={0x1f, 0x0, @any, 0x4}, 0xe)
listen(0xffffffffffffffff, 0xffffffff)
syz_clone(0x0, 0x0, 0x0, 0x0, 0x0, 0x0)

program did not crash
testing program (duration=1m40s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_init_net_socket$bt_l2cap-bind$bt_l2cap-listen-syz_clone
detailed listing:
executing program 0:
r0 = syz_init_net_socket$bt_l2cap(0x1f, 0x1, 0x0)
bind$bt_l2cap(r0, &(0x7f00000007c0)={0x1f, 0x0, @any, 0x4}, 0xe)
listen(r0, 0xffffffff)
syz_clone(0x0, 0x0, 0x0, 0x0, 0x0, 0x0)

program did not crash
testing program (duration=1m40s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$udf-syz_init_net_socket$bt_l2cap-bind$bt_l2cap-listen-syz_clone
detailed listing:
executing program 0:
syz_mount_image$udf(&(0x7f0000000000), &(0x7f0000000080)='./bus\x00', 0x1000000, &(0x7f0000000040)=ANY=[@ANYBLOB], 0x2, 0x58a, &(0x7f0000000740)="$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")
r0 = syz_init_net_socket$bt_l2cap(0x1f, 0x1, 0x0)
bind$bt_l2cap(r0, 0x0, 0x0)
listen(r0, 0xffffffff)
syz_clone(0x0, 0x0, 0x0, 0x0, 0x0, 0x0)

program did not crash
extracting C reproducer
testing compiled C program (duration=1m40s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$udf-syz_init_net_socket$bt_l2cap-bind$bt_l2cap-listen-syz_clone
program did not crash
simplifying guilty program options
testing program (duration=1m40s, {Threaded:false Repeat:true RepeatTimes:0 Procs:6 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$udf-syz_init_net_socket$bt_l2cap-bind$bt_l2cap-listen-syz_clone
detailed listing:
executing program 0:
syz_mount_image$udf(&(0x7f0000000000), &(0x7f0000000080)='./bus\x00', 0x1000000, &(0x7f0000000040)=ANY=[@ANYBLOB], 0x2, 0x58a, &(0x7f0000000740)="$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")
r0 = syz_init_net_socket$bt_l2cap(0x1f, 0x1, 0x0)
bind$bt_l2cap(r0, &(0x7f00000007c0)={0x1f, 0x0, @any, 0x4}, 0xe)
listen(r0, 0xffffffff)
syz_clone(0x0, 0x0, 0x0, 0x0, 0x0, 0x0)

program did not crash
testing program (duration=1m40s, {Threaded:true 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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$udf-syz_init_net_socket$bt_l2cap-bind$bt_l2cap-listen-syz_clone
detailed listing:
executing program 0:
syz_mount_image$udf(&(0x7f0000000000), &(0x7f0000000080)='./bus\x00', 0x1000000, &(0x7f0000000040)=ANY=[@ANYBLOB], 0x2, 0x58a, &(0x7f0000000740)="$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")
r0 = syz_init_net_socket$bt_l2cap(0x1f, 0x1, 0x0)
bind$bt_l2cap(r0, &(0x7f00000007c0)={0x1f, 0x0, @any, 0x4}, 0xe)
listen(r0, 0xffffffff)
syz_clone(0x0, 0x0, 0x0, 0x0, 0x0, 0x0)

program crashed: general protection fault in lock_sock_nested
extracting C reproducer
testing compiled C program (duration=1m40s, {Threaded:true 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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$udf-syz_init_net_socket$bt_l2cap-bind$bt_l2cap-listen-syz_clone
program did not crash
testing program (duration=1m40s, {Threaded:true Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$udf-syz_init_net_socket$bt_l2cap-bind$bt_l2cap-listen-syz_clone
detailed listing:
executing program 0:
syz_mount_image$udf(&(0x7f0000000000), &(0x7f0000000080)='./bus\x00', 0x1000000, &(0x7f0000000040)=ANY=[@ANYBLOB], 0x2, 0x58a, &(0x7f0000000740)="$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")
r0 = syz_init_net_socket$bt_l2cap(0x1f, 0x1, 0x0)
bind$bt_l2cap(r0, &(0x7f00000007c0)={0x1f, 0x0, @any, 0x4}, 0xe)
listen(r0, 0xffffffff)
syz_clone(0x0, 0x0, 0x0, 0x0, 0x0, 0x0)

program crashed: general protection fault in lock_sock_nested
validation run: crashed=true
testing program (duration=1m40s, {Threaded:true 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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$udf-syz_init_net_socket$bt_l2cap-bind$bt_l2cap-listen-syz_clone
detailed listing:
executing program 0:
syz_mount_image$udf(&(0x7f0000000000), &(0x7f0000000080)='./bus\x00', 0x1000000, &(0x7f0000000040)=ANY=[@ANYBLOB], 0x2, 0x58a, &(0x7f0000000740)="$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")
r0 = syz_init_net_socket$bt_l2cap(0x1f, 0x1, 0x0)
bind$bt_l2cap(r0, &(0x7f00000007c0)={0x1f, 0x0, @any, 0x4}, 0xe)
listen(r0, 0xffffffff)
syz_clone(0x0, 0x0, 0x0, 0x0, 0x0, 0x0)

program crashed: general protection fault in lock_sock_nested
validation run: crashed=true
testing program (duration=1m40s, {Threaded:true 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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$udf-syz_init_net_socket$bt_l2cap-bind$bt_l2cap-listen-syz_clone
detailed listing:
executing program 0:
syz_mount_image$udf(&(0x7f0000000000), &(0x7f0000000080)='./bus\x00', 0x1000000, &(0x7f0000000040)=ANY=[@ANYBLOB], 0x2, 0x58a, &(0x7f0000000740)="$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")
r0 = syz_init_net_socket$bt_l2cap(0x1f, 0x1, 0x0)
bind$bt_l2cap(r0, &(0x7f00000007c0)={0x1f, 0x0, @any, 0x4}, 0xe)
listen(r0, 0xffffffff)
syz_clone(0x0, 0x0, 0x0, 0x0, 0x0, 0x0)

program crashed: general protection fault in lock_sock_nested
validation run: crashed=true
reproducing took 24m22.493940758s
repro crashed as (corrupted=false):
Oops: general protection fault, probably for non-canonical address 0xdffffc000000004b: 0000 [#1] SMP KASAN NOPTI
KASAN: null-ptr-deref in range [0x0000000000000258-0x000000000000025f]
CPU: 0 UID: 0 PID: 1351 Comm: kworker/0:3 Not tainted 6.16.0-rc6-syzkaller-00002-g155a3c003e55 #0 PREEMPT(full) 
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
Workqueue: events l2cap_info_timeout
RIP: 0010:kasan_byte_accessible+0x12/0x30 mm/kasan/generic.c:199
Code: 0f 1f 84 00 00 00 00 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 66 0f 1f 00 48 c1 ef 03 48 b8 00 00 00 00 00 fc ff df <0f> b6 04 07 3c 08 0f 92 c0 c3 cc cc cc cc cc 66 66 66 66 66 66 2e
RSP: 0018:ffffc900028ff7a8 EFLAGS: 00010206
RAX: dffffc0000000000 RBX: ffffffff894e32c8 RCX: 281048ae2e367300
RDX: 0000000000000000 RSI: ffffffff894e32c8 RDI: 000000000000004b
RBP: ffffffff8a7a8065 R08: 0000000000000001 R09: 0000000000000000
R10: dffffc0000000000 R11: ffffffff8a7a8020 R12: 0000000000000000
R13: 0000000000000258 R14: 0000000000000258 R15: 0000000000000001
FS:  0000000000000000(0000) GS:ffff88808d21b000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fc801145fe8 CR3: 000000003ee4c000 CR4: 0000000000352ef0
Call Trace:
 <TASK>
 __kasan_check_byte+0x12/0x40 mm/kasan/common.c:556
 kasan_check_byte include/linux/kasan.h:399 [inline]
 lock_acquire+0x8d/0x360 kernel/locking/lockdep.c:5845
 lock_sock_nested+0x48/0x100 net/core/sock.c:3752
 lock_sock include/net/sock.h:1667 [inline]
 l2cap_sock_ready_cb+0x45/0x140 net/bluetooth/l2cap_sock.c:1674
 l2cap_chan_ready net/bluetooth/l2cap_core.c:1263 [inline]
 l2cap_conn_start+0x76a/0xe50 net/bluetooth/l2cap_core.c:1512
 l2cap_info_timeout+0x68/0xa0 net/bluetooth/l2cap_core.c:1669
 process_one_work kernel/workqueue.c:3238 [inline]
 process_scheduled_works+0xae1/0x17b0 kernel/workqueue.c:3321
 worker_thread+0x8a0/0xda0 kernel/workqueue.c:3402
 kthread+0x70e/0x8a0 kernel/kthread.c:464
 ret_from_fork+0x3fc/0x770 arch/x86/kernel/process.c:148
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:kasan_byte_accessible+0x12/0x30 mm/kasan/generic.c:199
Code: 0f 1f 84 00 00 00 00 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 66 0f 1f 00 48 c1 ef 03 48 b8 00 00 00 00 00 fc ff df <0f> b6 04 07 3c 08 0f 92 c0 c3 cc cc cc cc cc 66 66 66 66 66 66 2e
RSP: 0018:ffffc900028ff7a8 EFLAGS: 00010206
RAX: dffffc0000000000 RBX: ffffffff894e32c8 RCX: 281048ae2e367300
RDX: 0000000000000000 RSI: ffffffff894e32c8 RDI: 000000000000004b
RBP: ffffffff8a7a8065 R08: 0000000000000001 R09: 0000000000000000
R10: dffffc0000000000 R11: ffffffff8a7a8020 R12: 0000000000000000
R13: 0000000000000258 R14: 0000000000000258 R15: 0000000000000001
FS:  0000000000000000(0000) GS:ffff88808d21b000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055555b828588 CR3: 000000003fed0000 CR4: 0000000000352ef0
----------------
Code disassembly (best guess):
   0:	0f 1f 84 00 00 00 00 	nopl   0x0(%rax,%rax,1)
   7:	00
   8:	90                   	nop
   9:	90                   	nop
   a:	90                   	nop
   b:	90                   	nop
   c:	90                   	nop
   d:	90                   	nop
   e:	90                   	nop
   f:	90                   	nop
  10:	90                   	nop
  11:	90                   	nop
  12:	90                   	nop
  13:	90                   	nop
  14:	90                   	nop
  15:	90                   	nop
  16:	90                   	nop
  17:	90                   	nop
  18:	66 0f 1f 00          	nopw   (%rax)
  1c:	48 c1 ef 03          	shr    $0x3,%rdi
  20:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  27:	fc ff df
* 2a:	0f b6 04 07          	movzbl (%rdi,%rax,1),%eax <-- trapping instruction
  2e:	3c 08                	cmp    $0x8,%al
  30:	0f 92 c0             	setb   %al
  33:	c3                   	ret
  34:	cc                   	int3
  35:	cc                   	int3
  36:	cc                   	int3
  37:	cc                   	int3
  38:	cc                   	int3
  39:	66                   	data16
  3a:	66                   	data16
  3b:	66                   	data16
  3c:	66                   	data16
  3d:	66                   	data16
  3e:	66                   	data16
  3f:	2e                   	cs

final repro crashed as (corrupted=false):
Oops: general protection fault, probably for non-canonical address 0xdffffc000000004b: 0000 [#1] SMP KASAN NOPTI
KASAN: null-ptr-deref in range [0x0000000000000258-0x000000000000025f]
CPU: 0 UID: 0 PID: 1351 Comm: kworker/0:3 Not tainted 6.16.0-rc6-syzkaller-00002-g155a3c003e55 #0 PREEMPT(full) 
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
Workqueue: events l2cap_info_timeout
RIP: 0010:kasan_byte_accessible+0x12/0x30 mm/kasan/generic.c:199
Code: 0f 1f 84 00 00 00 00 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 66 0f 1f 00 48 c1 ef 03 48 b8 00 00 00 00 00 fc ff df <0f> b6 04 07 3c 08 0f 92 c0 c3 cc cc cc cc cc 66 66 66 66 66 66 2e
RSP: 0018:ffffc900028ff7a8 EFLAGS: 00010206
RAX: dffffc0000000000 RBX: ffffffff894e32c8 RCX: 281048ae2e367300
RDX: 0000000000000000 RSI: ffffffff894e32c8 RDI: 000000000000004b
RBP: ffffffff8a7a8065 R08: 0000000000000001 R09: 0000000000000000
R10: dffffc0000000000 R11: ffffffff8a7a8020 R12: 0000000000000000
R13: 0000000000000258 R14: 0000000000000258 R15: 0000000000000001
FS:  0000000000000000(0000) GS:ffff88808d21b000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fc801145fe8 CR3: 000000003ee4c000 CR4: 0000000000352ef0
Call Trace:
 <TASK>
 __kasan_check_byte+0x12/0x40 mm/kasan/common.c:556
 kasan_check_byte include/linux/kasan.h:399 [inline]
 lock_acquire+0x8d/0x360 kernel/locking/lockdep.c:5845
 lock_sock_nested+0x48/0x100 net/core/sock.c:3752
 lock_sock include/net/sock.h:1667 [inline]
 l2cap_sock_ready_cb+0x45/0x140 net/bluetooth/l2cap_sock.c:1674
 l2cap_chan_ready net/bluetooth/l2cap_core.c:1263 [inline]
 l2cap_conn_start+0x76a/0xe50 net/bluetooth/l2cap_core.c:1512
 l2cap_info_timeout+0x68/0xa0 net/bluetooth/l2cap_core.c:1669
 process_one_work kernel/workqueue.c:3238 [inline]
 process_scheduled_works+0xae1/0x17b0 kernel/workqueue.c:3321
 worker_thread+0x8a0/0xda0 kernel/workqueue.c:3402
 kthread+0x70e/0x8a0 kernel/kthread.c:464
 ret_from_fork+0x3fc/0x770 arch/x86/kernel/process.c:148
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:kasan_byte_accessible+0x12/0x30 mm/kasan/generic.c:199
Code: 0f 1f 84 00 00 00 00 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 66 0f 1f 00 48 c1 ef 03 48 b8 00 00 00 00 00 fc ff df <0f> b6 04 07 3c 08 0f 92 c0 c3 cc cc cc cc cc 66 66 66 66 66 66 2e
RSP: 0018:ffffc900028ff7a8 EFLAGS: 00010206
RAX: dffffc0000000000 RBX: ffffffff894e32c8 RCX: 281048ae2e367300
RDX: 0000000000000000 RSI: ffffffff894e32c8 RDI: 000000000000004b
RBP: ffffffff8a7a8065 R08: 0000000000000001 R09: 0000000000000000
R10: dffffc0000000000 R11: ffffffff8a7a8020 R12: 0000000000000000
R13: 0000000000000258 R14: 0000000000000258 R15: 0000000000000001
FS:  0000000000000000(0000) GS:ffff88808d21b000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055555b828588 CR3: 000000003fed0000 CR4: 0000000000352ef0
----------------
Code disassembly (best guess):
   0:	0f 1f 84 00 00 00 00 	nopl   0x0(%rax,%rax,1)
   7:	00
   8:	90                   	nop
   9:	90                   	nop
   a:	90                   	nop
   b:	90                   	nop
   c:	90                   	nop
   d:	90                   	nop
   e:	90                   	nop
   f:	90                   	nop
  10:	90                   	nop
  11:	90                   	nop
  12:	90                   	nop
  13:	90                   	nop
  14:	90                   	nop
  15:	90                   	nop
  16:	90                   	nop
  17:	90                   	nop
  18:	66 0f 1f 00          	nopw   (%rax)
  1c:	48 c1 ef 03          	shr    $0x3,%rdi
  20:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  27:	fc ff df
* 2a:	0f b6 04 07          	movzbl (%rdi,%rax,1),%eax <-- trapping instruction
  2e:	3c 08                	cmp    $0x8,%al
  30:	0f 92 c0             	setb   %al
  33:	c3                   	ret
  34:	cc                   	int3
  35:	cc                   	int3
  36:	cc                   	int3
  37:	cc                   	int3
  38:	cc                   	int3
  39:	66                   	data16
  3a:	66                   	data16
  3b:	66                   	data16
  3c:	66                   	data16
  3d:	66                   	data16
  3e:	66                   	data16
  3f:	2e                   	cs