Extracting prog: 2m45.429593054s
Minimizing prog: 11m10.415483224s
Simplifying prog options: 0s
Extracting C: 49.32066549s
Simplifying C: 9m14.753429335s
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}}): bpf$MAP_CREATE-bpf$BPF_PROG_RAW_TRACEPOINT_LOAD
detailed listing:
executing program 0:
r0 = bpf$MAP_CREATE(0x100000000000000, &(0x7f0000001800)=ANY=[@ANYBLOB="0a00000016000000b30000007f"], 0x48)
bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000100)={0x11, 0xb, &(0x7f0000000080)=@framed={{0x18, 0x3, 0x0, 0x0, 0xfffffffe}, [@func={0x85, 0x0, 0x1, 0x0, 0x6}, @map_fd={0x18, 0x0, 0x1, 0x0, r0}, @generic={0x87}, @initr0, @exit, @alu={0x7, 0x0, 0x2, 0x3}]}, &(0x7f0000000000)='GPL\x00', 0x1, 0x0, 0x0, 0x40f00}, 0x94)
program crashed: general protection fault in print_reg_state
single: successfully extracted reproducer
found reproducer with 2 syscalls
minimizing guilty program
testing program (duration=49.105620582s, {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}}): bpf$MAP_CREATE
detailed listing:
executing program 0:
bpf$MAP_CREATE(0x100000000000000, &(0x7f0000001800)=ANY=[@ANYBLOB="0a00000016000000b30000007f"], 0x48)
program did not crash
testing program (duration=49.105620582s, {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}}): bpf$BPF_PROG_RAW_TRACEPOINT_LOAD
detailed listing:
executing program 0:
bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000100)={0x11, 0xb, &(0x7f0000000080)=@framed={{0x18, 0x3, 0x0, 0x0, 0xfffffffe}, [@func={0x85, 0x0, 0x1, 0x0, 0x6}, @map_fd, @generic={0x87}, @initr0, @exit, @alu={0x7, 0x0, 0x2, 0x3}]}, &(0x7f0000000000)='GPL\x00', 0x1, 0x0, 0x0, 0x40f00}, 0x94)
program did not crash
testing program (duration=49.105620582s, {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}}): bpf$MAP_CREATE-bpf$BPF_PROG_RAW_TRACEPOINT_LOAD
detailed listing:
executing program 0:
r0 = bpf$MAP_CREATE(0x100000000000000, 0x0, 0x48)
bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000100)={0x11, 0xb, &(0x7f0000000080)=@framed={{0x18, 0x3, 0x0, 0x0, 0xfffffffe}, [@func={0x85, 0x0, 0x1, 0x0, 0x6}, @map_fd={0x18, 0x0, 0x1, 0x0, r0}, @generic={0x87}, @initr0, @exit, @alu={0x7, 0x0, 0x2, 0x3}]}, &(0x7f0000000000)='GPL\x00', 0x1, 0x0, 0x0, 0x40f00}, 0x94)
program did not crash
testing program (duration=49.105620582s, {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}}): bpf$MAP_CREATE-bpf$BPF_PROG_RAW_TRACEPOINT_LOAD
detailed listing:
executing program 0:
r0 = bpf$MAP_CREATE(0x100000000000000, &(0x7f0000001800)=ANY=[@ANYBLOB], 0x48)
bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000100)={0x11, 0xb, &(0x7f0000000080)=@framed={{0x18, 0x3, 0x0, 0x0, 0xfffffffe}, [@func={0x85, 0x0, 0x1, 0x0, 0x6}, @map_fd={0x18, 0x0, 0x1, 0x0, r0}, @generic={0x87}, @initr0, @exit, @alu={0x7, 0x0, 0x2, 0x3}]}, &(0x7f0000000000)='GPL\x00', 0x1, 0x0, 0x0, 0x40f00}, 0x94)
program did not crash
testing program (duration=49.105620582s, {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}}): bpf$MAP_CREATE-bpf$BPF_PROG_RAW_TRACEPOINT_LOAD
detailed listing:
executing program 0:
bpf$MAP_CREATE(0x100000000000000, &(0x7f0000001800)=ANY=[@ANYBLOB="0a00000016000000b30000007f"], 0x48)
bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, 0x0, 0x0)
program did not crash
testing program (duration=49.105620582s, {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}}): bpf$MAP_CREATE-bpf$BPF_PROG_RAW_TRACEPOINT_LOAD
detailed listing:
executing program 0:
bpf$MAP_CREATE(0x100000000000000, &(0x7f0000001800)=ANY=[@ANYBLOB="0a00000016000000b30000007f"], 0x48)
bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000100)={0x11, 0x0, 0x0, &(0x7f0000000000)='GPL\x00', 0x1, 0x0, 0x0, 0x40f00}, 0x94)
program did not crash
testing program (duration=49.105620582s, {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}}): bpf$MAP_CREATE-bpf$BPF_PROG_RAW_TRACEPOINT_LOAD
detailed listing:
executing program 0:
bpf$MAP_CREATE(0x100000000000000, &(0x7f0000001800)=ANY=[@ANYBLOB="0a00000016000000b30000007f"], 0x48)
bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000100)={0x11, 0x3, &(0x7f0000000080)=@framed={{0x18, 0x3, 0x0, 0x0, 0xfffffffe}}, &(0x7f0000000000)='GPL\x00', 0x1, 0x0, 0x0, 0x40f00}, 0x94)
program did not crash
testing program (duration=49.105620582s, {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}}): bpf$MAP_CREATE-bpf$BPF_PROG_RAW_TRACEPOINT_LOAD
detailed listing:
executing program 0:
r0 = bpf$MAP_CREATE(0x100000000000000, &(0x7f0000001800)=ANY=[@ANYBLOB="0a00000016000000b30000007f"], 0x48)
bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000100)={0x11, 0xb, &(0x7f0000000080)=@framed={{0x18, 0x3, 0x0, 0x0, 0xfffffffe}, [@func={0x85, 0x0, 0x1, 0x0, 0x6}, @map_fd={0x18, 0x0, 0x1, 0x0, r0}, @generic={0x87}, @initr0, @exit, @alu={0x7, 0x0, 0x2, 0x3}]}, 0x0, 0x1, 0x0, 0x0, 0x40f00}, 0x94)
program did not crash
extracting C reproducer
testing compiled C program (duration=49.105620582s, {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}}): bpf$MAP_CREATE-bpf$BPF_PROG_RAW_TRACEPOINT_LOAD
program crashed: general protection fault in print_reg_state
simplifying C reproducer
testing compiled C program (duration=49.105620582s, {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}}): bpf$MAP_CREATE-bpf$BPF_PROG_RAW_TRACEPOINT_LOAD
program crashed: general protection fault in print_reg_state
testing compiled C program (duration=49.105620582s, {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}}): bpf$MAP_CREATE-bpf$BPF_PROG_RAW_TRACEPOINT_LOAD
program crashed: general protection fault in print_reg_state
testing compiled C program (duration=49.105620582s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:true Sysctl:true Swap:false UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): bpf$MAP_CREATE-bpf$BPF_PROG_RAW_TRACEPOINT_LOAD
program crashed: general protection fault in print_reg_state
testing compiled C program (duration=49.105620582s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): bpf$MAP_CREATE-bpf$BPF_PROG_RAW_TRACEPOINT_LOAD
program crashed: general protection fault in print_reg_state
testing compiled C program (duration=49.105620582s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:false HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): bpf$MAP_CREATE-bpf$BPF_PROG_RAW_TRACEPOINT_LOAD
program crashed: general protection fault in print_reg_state
testing compiled C program (duration=49.105620582s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): bpf$MAP_CREATE-bpf$BPF_PROG_RAW_TRACEPOINT_LOAD
program crashed: general protection fault in print_reg_state
testing compiled C program (duration=49.105620582s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): bpf$MAP_CREATE-bpf$BPF_PROG_RAW_TRACEPOINT_LOAD
program crashed: general protection fault in print_reg_state
testing program (duration=49.105620582s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): bpf$MAP_CREATE-bpf$BPF_PROG_RAW_TRACEPOINT_LOAD
detailed listing:
executing program 0:
r0 = bpf$MAP_CREATE(0x100000000000000, &(0x7f0000001800)=ANY=[@ANYBLOB="0a00000016000000b30000007f"], 0x48)
bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000100)={0x11, 0xb, &(0x7f0000000080)=@framed={{0x18, 0x3, 0x0, 0x0, 0xfffffffe}, [@func={0x85, 0x0, 0x1, 0x0, 0x6}, @map_fd={0x18, 0x0, 0x1, 0x0, r0}, @generic={0x87}, @initr0, @exit, @alu={0x7, 0x0, 0x2, 0x3}]}, &(0x7f0000000000)='GPL\x00', 0x1, 0x0, 0x0, 0x40f00}, 0x94)
program crashed: general protection fault in print_reg_state
validation run: crashed=true
testing program (duration=49.105620582s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): bpf$MAP_CREATE-bpf$BPF_PROG_RAW_TRACEPOINT_LOAD
detailed listing:
executing program 0:
r0 = bpf$MAP_CREATE(0x100000000000000, &(0x7f0000001800)=ANY=[@ANYBLOB="0a00000016000000b30000007f"], 0x48)
bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000100)={0x11, 0xb, &(0x7f0000000080)=@framed={{0x18, 0x3, 0x0, 0x0, 0xfffffffe}, [@func={0x85, 0x0, 0x1, 0x0, 0x6}, @map_fd={0x18, 0x0, 0x1, 0x0, r0}, @generic={0x87}, @initr0, @exit, @alu={0x7, 0x0, 0x2, 0x3}]}, &(0x7f0000000000)='GPL\x00', 0x1, 0x0, 0x0, 0x40f00}, 0x94)
program crashed: general protection fault in print_reg_state
validation run: crashed=true
testing program (duration=49.105620582s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): bpf$MAP_CREATE-bpf$BPF_PROG_RAW_TRACEPOINT_LOAD
detailed listing:
executing program 0:
r0 = bpf$MAP_CREATE(0x100000000000000, &(0x7f0000001800)=ANY=[@ANYBLOB="0a00000016000000b30000007f"], 0x48)
bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000100)={0x11, 0xb, &(0x7f0000000080)=@framed={{0x18, 0x3, 0x0, 0x0, 0xfffffffe}, [@func={0x85, 0x0, 0x1, 0x0, 0x6}, @map_fd={0x18, 0x0, 0x1, 0x0, r0}, @generic={0x87}, @initr0, @exit, @alu={0x7, 0x0, 0x2, 0x3}]}, &(0x7f0000000000)='GPL\x00', 0x1, 0x0, 0x0, 0x40f00}, 0x94)
program crashed: general protection fault in print_reg_state
validation run: crashed=true
reproducing took 28m9.321719209s
repro crashed as (corrupted=false):
Oops: general protection fault, probably for non-canonical address 0xdffffc000000000c: 0000 [#1] SMP KASAN PTI
KASAN: null-ptr-deref in range [0x0000000000000060-0x0000000000000067]
CPU: 1 UID: 0 PID: 6038 Comm: syz.0.17 Not tainted syzkaller #0 PREEMPT(full)
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
RIP: 0010:print_reg_state+0x57f/0x16f0 kernel/bpf/log.c:719
Code: ff df 41 80 7c 05 00 00 74 08 4c 89 f7 e8 49 d5 43 00 49 8b 1e 48 83 c3 60 48 89 d8 48 c1 e8 03 48 b9 00 00 00 00 00 fc ff df <0f> b6 04 08 84 c0 0f 85 b6 0f 00 00 44 0f b6 23 31 ff 44 89 e6 e8
RSP: 0018:ffffc900049eee40 EFLAGS: 00010206
RAX: 000000000000000c RBX: 0000000000000060 RCX: dffffc0000000000
RDX: ffff88802fb29e00 RSI: 0000000000000000 RDI: 0000000000000003
RBP: ffffc900049ef070 R08: ffff888031d606a4 R09: 1ffff110063ac0d4
R10: dffffc0000000000 R11: ffffed10063ac0d5 R12: 0000000000000003
R13: 1ffff1100f594801 R14: ffff88807aca4008 R15: ffffffff8b923920
FS: 000055556f432500(0000) GS:ffff888125d12000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055556f432808 CR3: 000000005cb0a000 CR4: 00000000003526f0
Call Trace:
print_verifier_state+0x306/0x1f40 kernel/bpf/log.c:775
do_check+0x55c8/0xe520 kernel/bpf/verifier.c:20071
do_check_common+0x1949/0x24f0 kernel/bpf/verifier.c:23264
do_check_main kernel/bpf/verifier.c:23347 [inline]
bpf_check+0x1746a/0x1d2d0 kernel/bpf/verifier.c:24707
bpf_prog_load+0x1318/0x1930 kernel/bpf/syscall.c:2979
__sys_bpf+0x528/0x870 kernel/bpf/syscall.c:6029
__do_sys_bpf kernel/bpf/syscall.c:6139 [inline]
__se_sys_bpf kernel/bpf/syscall.c:6137 [inline]
__x64_sys_bpf+0x7c/0x90 kernel/bpf/syscall.c:6137
do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
do_syscall_64+0xfa/0x3b0 arch/x86/entry/syscall_64.c:94
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fc51858eec9
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007ffde80de128 EFLAGS: 00000246 ORIG_RAX: 0000000000000141
RAX: ffffffffffffffda RBX: 00007fc5187e5fa0 RCX: 00007fc51858eec9
RDX: 0000000000000094 RSI: 0000200000000100 RDI: 0000000000000005
RBP: 00007fc518611f91 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fc5187e5fa0 R14: 00007fc5187e5fa0 R15: 0000000000000003
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:print_reg_state+0x57f/0x16f0 kernel/bpf/log.c:719
Code: ff df 41 80 7c 05 00 00 74 08 4c 89 f7 e8 49 d5 43 00 49 8b 1e 48 83 c3 60 48 89 d8 48 c1 e8 03 48 b9 00 00 00 00 00 fc ff df <0f> b6 04 08 84 c0 0f 85 b6 0f 00 00 44 0f b6 23 31 ff 44 89 e6 e8
RSP: 0018:ffffc900049eee40 EFLAGS: 00010206
RAX: 000000000000000c RBX: 0000000000000060 RCX: dffffc0000000000
RDX: ffff88802fb29e00 RSI: 0000000000000000 RDI: 0000000000000003
RBP: ffffc900049ef070 R08: ffff888031d606a4 R09: 1ffff110063ac0d4
R10: dffffc0000000000 R11: ffffed10063ac0d5 R12: 0000000000000003
R13: 1ffff1100f594801 R14: ffff88807aca4008 R15: ffffffff8b923920
FS: 000055556f432500(0000) GS:ffff888125c12000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000200000000100 CR3: 000000005cb0a000 CR4: 00000000003526f0
----------------
Code disassembly (best guess), 1 bytes skipped:
0: df 41 80 filds -0x80(%rcx)
3: 7c 05 jl 0xa
5: 00 00 add %al,(%rax)
7: 74 08 je 0x11
9: 4c 89 f7 mov %r14,%rdi
c: e8 49 d5 43 00 call 0x43d55a
11: 49 8b 1e mov (%r14),%rbx
14: 48 83 c3 60 add $0x60,%rbx
18: 48 89 d8 mov %rbx,%rax
1b: 48 c1 e8 03 shr $0x3,%rax
1f: 48 b9 00 00 00 00 00 movabs $0xdffffc0000000000,%rcx
26: fc ff df
* 29: 0f b6 04 08 movzbl (%rax,%rcx,1),%eax <-- trapping instruction
2d: 84 c0 test %al,%al
2f: 0f 85 b6 0f 00 00 jne 0xfeb
35: 44 0f b6 23 movzbl (%rbx),%r12d
39: 31 ff xor %edi,%edi
3b: 44 89 e6 mov %r12d,%esi
3e: e8 .byte 0xe8
final repro crashed as (corrupted=false):
Oops: general protection fault, probably for non-canonical address 0xdffffc000000000c: 0000 [#1] SMP KASAN PTI
KASAN: null-ptr-deref in range [0x0000000000000060-0x0000000000000067]
CPU: 1 UID: 0 PID: 6038 Comm: syz.0.17 Not tainted syzkaller #0 PREEMPT(full)
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
RIP: 0010:print_reg_state+0x57f/0x16f0 kernel/bpf/log.c:719
Code: ff df 41 80 7c 05 00 00 74 08 4c 89 f7 e8 49 d5 43 00 49 8b 1e 48 83 c3 60 48 89 d8 48 c1 e8 03 48 b9 00 00 00 00 00 fc ff df <0f> b6 04 08 84 c0 0f 85 b6 0f 00 00 44 0f b6 23 31 ff 44 89 e6 e8
RSP: 0018:ffffc900049eee40 EFLAGS: 00010206
RAX: 000000000000000c RBX: 0000000000000060 RCX: dffffc0000000000
RDX: ffff88802fb29e00 RSI: 0000000000000000 RDI: 0000000000000003
RBP: ffffc900049ef070 R08: ffff888031d606a4 R09: 1ffff110063ac0d4
R10: dffffc0000000000 R11: ffffed10063ac0d5 R12: 0000000000000003
R13: 1ffff1100f594801 R14: ffff88807aca4008 R15: ffffffff8b923920
FS: 000055556f432500(0000) GS:ffff888125d12000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055556f432808 CR3: 000000005cb0a000 CR4: 00000000003526f0
Call Trace:
print_verifier_state+0x306/0x1f40 kernel/bpf/log.c:775
do_check+0x55c8/0xe520 kernel/bpf/verifier.c:20071
do_check_common+0x1949/0x24f0 kernel/bpf/verifier.c:23264
do_check_main kernel/bpf/verifier.c:23347 [inline]
bpf_check+0x1746a/0x1d2d0 kernel/bpf/verifier.c:24707
bpf_prog_load+0x1318/0x1930 kernel/bpf/syscall.c:2979
__sys_bpf+0x528/0x870 kernel/bpf/syscall.c:6029
__do_sys_bpf kernel/bpf/syscall.c:6139 [inline]
__se_sys_bpf kernel/bpf/syscall.c:6137 [inline]
__x64_sys_bpf+0x7c/0x90 kernel/bpf/syscall.c:6137
do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
do_syscall_64+0xfa/0x3b0 arch/x86/entry/syscall_64.c:94
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fc51858eec9
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007ffde80de128 EFLAGS: 00000246 ORIG_RAX: 0000000000000141
RAX: ffffffffffffffda RBX: 00007fc5187e5fa0 RCX: 00007fc51858eec9
RDX: 0000000000000094 RSI: 0000200000000100 RDI: 0000000000000005
RBP: 00007fc518611f91 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fc5187e5fa0 R14: 00007fc5187e5fa0 R15: 0000000000000003
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:print_reg_state+0x57f/0x16f0 kernel/bpf/log.c:719
Code: ff df 41 80 7c 05 00 00 74 08 4c 89 f7 e8 49 d5 43 00 49 8b 1e 48 83 c3 60 48 89 d8 48 c1 e8 03 48 b9 00 00 00 00 00 fc ff df <0f> b6 04 08 84 c0 0f 85 b6 0f 00 00 44 0f b6 23 31 ff 44 89 e6 e8
RSP: 0018:ffffc900049eee40 EFLAGS: 00010206
RAX: 000000000000000c RBX: 0000000000000060 RCX: dffffc0000000000
RDX: ffff88802fb29e00 RSI: 0000000000000000 RDI: 0000000000000003
RBP: ffffc900049ef070 R08: ffff888031d606a4 R09: 1ffff110063ac0d4
R10: dffffc0000000000 R11: ffffed10063ac0d5 R12: 0000000000000003
R13: 1ffff1100f594801 R14: ffff88807aca4008 R15: ffffffff8b923920
FS: 000055556f432500(0000) GS:ffff888125c12000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000200000000100 CR3: 000000005cb0a000 CR4: 00000000003526f0
----------------
Code disassembly (best guess), 1 bytes skipped:
0: df 41 80 filds -0x80(%rcx)
3: 7c 05 jl 0xa
5: 00 00 add %al,(%rax)
7: 74 08 je 0x11
9: 4c 89 f7 mov %r14,%rdi
c: e8 49 d5 43 00 call 0x43d55a
11: 49 8b 1e mov (%r14),%rbx
14: 48 83 c3 60 add $0x60,%rbx
18: 48 89 d8 mov %rbx,%rax
1b: 48 c1 e8 03 shr $0x3,%rax
1f: 48 b9 00 00 00 00 00 movabs $0xdffffc0000000000,%rcx
26: fc ff df
* 29: 0f b6 04 08 movzbl (%rax,%rcx,1),%eax <-- trapping instruction
2d: 84 c0 test %al,%al
2f: 0f 85 b6 0f 00 00 jne 0xfeb
35: 44 0f b6 23 movzbl (%rbx),%r12d
39: 31 ff xor %edi,%edi
3b: 44 89 e6 mov %r12d,%esi
3e: e8 .byte 0xe8