Extracting prog: 6m7.657783325s
Minimizing prog: 27m58.423021629s
Simplifying prog options: 12m11.48568965s
Extracting C: 5m12.168762063s
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_init_net_socket$bt_l2cap-bind$bt_l2cap-listen-bpf$PROG_LOAD
detailed listing:
executing program 0:
r0 = syz_init_net_socket$bt_l2cap(0x1f, 0x5, 0x0)
bind$bt_l2cap(r0, &(0x7f00000007c0)={0x1f, 0x0, @any, 0x4}, 0xe)
listen(r0, 0xffffffff)
bpf$PROG_LOAD(0x5, &(0x7f0000000080)={0x3, 0x8, &(0x7f00000026c0)=ANY=[@ANYBLOB="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0x0, 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, @sched_cls}, 0x94)
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_init_net_socket$bt_l2cap-bind$bt_l2cap-listen-bpf$PROG_LOAD
detailed listing:
executing program 0:
r0 = syz_init_net_socket$bt_l2cap(0x1f, 0x5, 0x0)
bind$bt_l2cap(r0, &(0x7f00000007c0)={0x1f, 0x0, @any, 0x4}, 0xe)
listen(r0, 0xffffffff)
bpf$PROG_LOAD(0x5, &(0x7f0000000080)={0x3, 0x8, &(0x7f00000026c0)=ANY=[@ANYBLOB="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0x0, 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, @sched_cls}, 0x94)
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_init_net_socket$bt_l2cap-bind$bt_l2cap-listen-bpf$PROG_LOAD
detailed listing:
executing program 0:
r0 = syz_init_net_socket$bt_l2cap(0x1f, 0x5, 0x0)
bind$bt_l2cap(r0, &(0x7f00000007c0)={0x1f, 0x0, @any, 0x4}, 0xe)
listen(r0, 0xffffffff)
bpf$PROG_LOAD(0x5, &(0x7f0000000080)={0x3, 0x8, &(0x7f00000026c0)=ANY=[@ANYBLOB="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0x0, 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, @sched_cls}, 0x94)
program crashed: general protection fault in lock_sock_nested
single: successfully extracted reproducer
found reproducer with 4 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_init_net_socket$bt_l2cap-bind$bt_l2cap-listen
detailed listing:
executing program 0:
r0 = syz_init_net_socket$bt_l2cap(0x1f, 0x5, 0x0)
bind$bt_l2cap(r0, &(0x7f00000007c0)={0x1f, 0x0, @any, 0x4}, 0xe)
listen(r0, 0xffffffff)
program crashed: general protection fault 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
detailed listing:
executing program 0:
r0 = syz_init_net_socket$bt_l2cap(0x1f, 0x5, 0x0)
bind$bt_l2cap(r0, &(0x7f00000007c0)={0x1f, 0x0, @any, 0x4}, 0xe)
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_init_net_socket$bt_l2cap-listen
detailed listing:
executing program 0:
r0 = syz_init_net_socket$bt_l2cap(0x1f, 0x5, 0x0)
listen(r0, 0xffffffff)
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}}): bind$bt_l2cap-listen
detailed listing:
executing program 0:
bind$bt_l2cap(0xffffffffffffffff, &(0x7f00000007c0)={0x1f, 0x0, @any, 0x4}, 0xe)
listen(0xffffffffffffffff, 0xffffffff)
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_init_net_socket$bt_l2cap-bind$bt_l2cap-listen
detailed listing:
executing program 0:
r0 = syz_init_net_socket$bt_l2cap(0x1f, 0x5, 0x0)
bind$bt_l2cap(r0, 0x0, 0x0)
listen(r0, 0xffffffff)
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
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
detailed listing:
executing program 0:
r0 = syz_init_net_socket$bt_l2cap(0x1f, 0x5, 0x0)
bind$bt_l2cap(r0, &(0x7f00000007c0)={0x1f, 0x0, @any, 0x4}, 0xe)
listen(r0, 0xffffffff)
program did not crash
testing program (duration=6m0s, {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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_init_net_socket$bt_l2cap-bind$bt_l2cap-listen
detailed listing:
executing program 0:
r0 = syz_init_net_socket$bt_l2cap(0x1f, 0x5, 0x0)
bind$bt_l2cap(r0, &(0x7f00000007c0)={0x1f, 0x0, @any, 0x4}, 0xe)
listen(r0, 0xffffffff)
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_init_net_socket$bt_l2cap-bind$bt_l2cap-listen
detailed listing:
executing program 0:
r0 = syz_init_net_socket$bt_l2cap(0x1f, 0x5, 0x0)
bind$bt_l2cap(r0, &(0x7f00000007c0)={0x1f, 0x0, @any, 0x4}, 0xe)
listen(r0, 0xffffffff)
program did not crash
validation run: crashed=false
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
detailed listing:
executing program 0:
r0 = syz_init_net_socket$bt_l2cap(0x1f, 0x5, 0x0)
bind$bt_l2cap(r0, &(0x7f00000007c0)={0x1f, 0x0, @any, 0x4}, 0xe)
listen(r0, 0xffffffff)
program did not crash
validation run: crashed=false
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
detailed listing:
executing program 0:
r0 = syz_init_net_socket$bt_l2cap(0x1f, 0x5, 0x0)
bind$bt_l2cap(r0, &(0x7f00000007c0)={0x1f, 0x0, @any, 0x4}, 0xe)
listen(r0, 0xffffffff)
program did not crash
validation run: crashed=false
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
detailed listing:
executing program 0:
r0 = syz_init_net_socket$bt_l2cap(0x1f, 0x5, 0x0)
bind$bt_l2cap(r0, &(0x7f00000007c0)={0x1f, 0x0, @any, 0x4}, 0xe)
listen(r0, 0xffffffff)
program crashed: general protection fault in lock_sock_nested
validation run: crashed=true
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
detailed listing:
executing program 0:
r0 = syz_init_net_socket$bt_l2cap(0x1f, 0x5, 0x0)
bind$bt_l2cap(r0, &(0x7f00000007c0)={0x1f, 0x0, @any, 0x4}, 0xe)
listen(r0, 0xffffffff)
program did not crash
validation run: crashed=false
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
detailed listing:
executing program 0:
r0 = syz_init_net_socket$bt_l2cap(0x1f, 0x5, 0x0)
bind$bt_l2cap(r0, &(0x7f00000007c0)={0x1f, 0x0, @any, 0x4}, 0xe)
listen(r0, 0xffffffff)
program did not crash
validation run: crashed=false
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
detailed listing:
executing program 0:
r0 = syz_init_net_socket$bt_l2cap(0x1f, 0x5, 0x0)
bind$bt_l2cap(r0, &(0x7f00000007c0)={0x1f, 0x0, @any, 0x4}, 0xe)
listen(r0, 0xffffffff)
program did not crash
validation run: crashed=false
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
detailed listing:
executing program 0:
r0 = syz_init_net_socket$bt_l2cap(0x1f, 0x5, 0x0)
bind$bt_l2cap(r0, &(0x7f00000007c0)={0x1f, 0x0, @any, 0x4}, 0xe)
listen(r0, 0xffffffff)
program did not crash
validation run: crashed=false
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
detailed listing:
executing program 0:
r0 = syz_init_net_socket$bt_l2cap(0x1f, 0x5, 0x0)
bind$bt_l2cap(r0, &(0x7f00000007c0)={0x1f, 0x0, @any, 0x4}, 0xe)
listen(r0, 0xffffffff)
program crashed: general protection fault in lock_sock_nested
validation run: crashed=true
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
detailed listing:
executing program 0:
r0 = syz_init_net_socket$bt_l2cap(0x1f, 0x5, 0x0)
bind$bt_l2cap(r0, &(0x7f00000007c0)={0x1f, 0x0, @any, 0x4}, 0xe)
listen(r0, 0xffffffff)
program crashed: general protection fault in lock_sock_nested
validation run: crashed=true
reproducing took 1h47m48.172780557s
repro crashed as (corrupted=false):
Oops: general protection fault, probably for non-canonical address 0xdffffc000000004c: 0000 [#1] SMP KASAN PTI
KASAN: null-ptr-deref in range [0x0000000000000260-0x0000000000000267]
CPU: 0 UID: 0 PID: 797 Comm: kworker/0:2 Not tainted syzkaller #0 PREEMPT(full)
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/24/2026
Workqueue: events l2cap_info_timeout
RIP: 0010:kasan_byte_accessible+0x12/0x30 mm/kasan/generic.c:210
Code: 79 ff ff ff 0f 1f 40 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 0f 1f 40 d6 48 c1 ef 03 48 b8 00 00 00 00 00 fc ff df <0f> b6 04 07 3c 08 0f 92 c0 e9 d0 04 6f 09 cc 66 66 66 66 66 66 2e
RSP: 0000:ffffc90003317780 EFLAGS: 00010202
RAX: dffffc0000000000 RBX: ffffffff896151f8 RCX: 0000000080000001
RDX: 0000000000000000 RSI: ffffffff896151f8 RDI: 000000000000004c
RBP: ffffffff8a9b75c6 R08: 0000000000000001 R09: 0000000000000000
R10: dffffc0000000000 R11: ffffffff8a9b7580 R12: 0000000000000000
R13: 0000000000000260 R14: 0000000000000260 R15: 0000000000000001
FS: 0000000000000000(0000) GS:ffff8881256ed000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fcff6cf7ff8 CR3: 000000007f418000 CR4: 00000000003526f0
Call Trace:
__kasan_check_byte+0x12/0x40 mm/kasan/common.c:573
kasan_check_byte include/linux/kasan.h:402 [inline]
lock_acquire+0x84/0x330 kernel/locking/lockdep.c:5842
lock_sock_nested+0x48/0x100 net/core/sock.c:3780
lock_sock include/net/sock.h:1709 [inline]
l2cap_sock_ready_cb+0x46/0x160 net/bluetooth/l2cap_sock.c:1695
l2cap_chan_ready net/bluetooth/l2cap_core.c:1256 [inline]
l2cap_conn_start+0x779/0xff0 net/bluetooth/l2cap_core.c:1505
l2cap_info_timeout+0x68/0xa0 net/bluetooth/l2cap_core.c:1662
process_one_work kernel/workqueue.c:3257 [inline]
process_scheduled_works+0xaec/0x17a0 kernel/workqueue.c:3340
worker_thread+0xda6/0x1360 kernel/workqueue.c:3421
kthread+0x726/0x8b0 kernel/kthread.c:463
ret_from_fork+0x51b/0xa40 arch/x86/kernel/process.c:158
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:246
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:kasan_byte_accessible+0x12/0x30 mm/kasan/generic.c:210
Code: 79 ff ff ff 0f 1f 40 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 0f 1f 40 d6 48 c1 ef 03 48 b8 00 00 00 00 00 fc ff df <0f> b6 04 07 3c 08 0f 92 c0 e9 d0 04 6f 09 cc 66 66 66 66 66 66 2e
RSP: 0000:ffffc90003317780 EFLAGS: 00010202
RAX: dffffc0000000000 RBX: ffffffff896151f8 RCX: 0000000080000001
RDX: 0000000000000000 RSI: ffffffff896151f8 RDI: 000000000000004c
RBP: ffffffff8a9b75c6 R08: 0000000000000001 R09: 0000000000000000
R10: dffffc0000000000 R11: ffffffff8a9b7580 R12: 0000000000000000
R13: 0000000000000260 R14: 0000000000000260 R15: 0000000000000001
FS: 0000000000000000(0000) GS:ffff8881256ed000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007feedede9ff8 CR3: 000000005ea60000 CR4: 00000000003526f0
----------------
Code disassembly (best guess), 4 bytes skipped:
0: 0f 1f 40 00 nopl 0x0(%rax)
4: 90 nop
5: 90 nop
6: 90 nop
7: 90 nop
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: 0f 1f 40 d6 nopl -0x2a(%rax)
18: 48 c1 ef 03 shr $0x3,%rdi
1c: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax
23: fc ff df
* 26: 0f b6 04 07 movzbl (%rdi,%rax,1),%eax <-- trapping instruction
2a: 3c 08 cmp $0x8,%al
2c: 0f 92 c0 setb %al
2f: e9 d0 04 6f 09 jmp 0x96f0504
34: cc int3
35: 66 data16
36: 66 data16
37: 66 data16
38: 66 data16
39: 66 data16
3a: 66 data16
3b: 2e cs
final repro crashed as (corrupted=false):
Oops: general protection fault, probably for non-canonical address 0xdffffc000000004c: 0000 [#1] SMP KASAN PTI
KASAN: null-ptr-deref in range [0x0000000000000260-0x0000000000000267]
CPU: 0 UID: 0 PID: 797 Comm: kworker/0:2 Not tainted syzkaller #0 PREEMPT(full)
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/24/2026
Workqueue: events l2cap_info_timeout
RIP: 0010:kasan_byte_accessible+0x12/0x30 mm/kasan/generic.c:210
Code: 79 ff ff ff 0f 1f 40 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 0f 1f 40 d6 48 c1 ef 03 48 b8 00 00 00 00 00 fc ff df <0f> b6 04 07 3c 08 0f 92 c0 e9 d0 04 6f 09 cc 66 66 66 66 66 66 2e
RSP: 0000:ffffc90003317780 EFLAGS: 00010202
RAX: dffffc0000000000 RBX: ffffffff896151f8 RCX: 0000000080000001
RDX: 0000000000000000 RSI: ffffffff896151f8 RDI: 000000000000004c
RBP: ffffffff8a9b75c6 R08: 0000000000000001 R09: 0000000000000000
R10: dffffc0000000000 R11: ffffffff8a9b7580 R12: 0000000000000000
R13: 0000000000000260 R14: 0000000000000260 R15: 0000000000000001
FS: 0000000000000000(0000) GS:ffff8881256ed000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fcff6cf7ff8 CR3: 000000007f418000 CR4: 00000000003526f0
Call Trace:
__kasan_check_byte+0x12/0x40 mm/kasan/common.c:573
kasan_check_byte include/linux/kasan.h:402 [inline]
lock_acquire+0x84/0x330 kernel/locking/lockdep.c:5842
lock_sock_nested+0x48/0x100 net/core/sock.c:3780
lock_sock include/net/sock.h:1709 [inline]
l2cap_sock_ready_cb+0x46/0x160 net/bluetooth/l2cap_sock.c:1695
l2cap_chan_ready net/bluetooth/l2cap_core.c:1256 [inline]
l2cap_conn_start+0x779/0xff0 net/bluetooth/l2cap_core.c:1505
l2cap_info_timeout+0x68/0xa0 net/bluetooth/l2cap_core.c:1662
process_one_work kernel/workqueue.c:3257 [inline]
process_scheduled_works+0xaec/0x17a0 kernel/workqueue.c:3340
worker_thread+0xda6/0x1360 kernel/workqueue.c:3421
kthread+0x726/0x8b0 kernel/kthread.c:463
ret_from_fork+0x51b/0xa40 arch/x86/kernel/process.c:158
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:246
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:kasan_byte_accessible+0x12/0x30 mm/kasan/generic.c:210
Code: 79 ff ff ff 0f 1f 40 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 0f 1f 40 d6 48 c1 ef 03 48 b8 00 00 00 00 00 fc ff df <0f> b6 04 07 3c 08 0f 92 c0 e9 d0 04 6f 09 cc 66 66 66 66 66 66 2e
RSP: 0000:ffffc90003317780 EFLAGS: 00010202
RAX: dffffc0000000000 RBX: ffffffff896151f8 RCX: 0000000080000001
RDX: 0000000000000000 RSI: ffffffff896151f8 RDI: 000000000000004c
RBP: ffffffff8a9b75c6 R08: 0000000000000001 R09: 0000000000000000
R10: dffffc0000000000 R11: ffffffff8a9b7580 R12: 0000000000000000
R13: 0000000000000260 R14: 0000000000000260 R15: 0000000000000001
FS: 0000000000000000(0000) GS:ffff8881256ed000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007feedede9ff8 CR3: 000000005ea60000 CR4: 00000000003526f0
----------------
Code disassembly (best guess), 4 bytes skipped:
0: 0f 1f 40 00 nopl 0x0(%rax)
4: 90 nop
5: 90 nop
6: 90 nop
7: 90 nop
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: 0f 1f 40 d6 nopl -0x2a(%rax)
18: 48 c1 ef 03 shr $0x3,%rdi
1c: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax
23: fc ff df
* 26: 0f b6 04 07 movzbl (%rdi,%rax,1),%eax <-- trapping instruction
2a: 3c 08 cmp $0x8,%al
2c: 0f 92 c0 setb %al
2f: e9 d0 04 6f 09 jmp 0x96f0504
34: cc int3
35: 66 data16
36: 66 data16
37: 66 data16
38: 66 data16
39: 66 data16
3a: 66 data16
3b: 2e cs