Extracting prog: 1m47.000350101s
Minimizing prog: 6m32.285551041s
Simplifying prog options: 0s
Extracting C: 23.056767282s
Simplifying C: 5m4.263399011s


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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): bpf$PROG_LOAD-bpf$BPF_PROG_TEST_RUN
detailed listing:
executing program 0:
r0 = bpf$PROG_LOAD(0x5, &(0x7f00000000c0)={0x3, 0x4, &(0x7f0000000700)=@framed={{}, [@call={0x85, 0x0, 0x0, 0x4f}]}, &(0x7f0000000200)='GPL\x00', 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, @sched_cls, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @void, @value}, 0x94)
bpf$BPF_PROG_TEST_RUN(0xa, &(0x7f0000000400)={r0, 0x18000000000002a0, 0xe, 0x0, &(0x7f00000002c0)="d2ff03076003008cb89e08f088a8", 0x0, 0xd5b1, 0x60000000, 0x0, 0x0, 0x0, 0x0}, 0x50)

program crashed: general protection fault in bpf_skb_cgroup_id
program crashed: general protection fault in bpf_skb_cgroup_id
single: successfully extracted reproducer
found reproducer with 2 syscalls
minimizing guilty program
testing program (duration=31.551078975s, {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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): bpf$PROG_LOAD
detailed listing:
executing program 0:
bpf$PROG_LOAD(0x5, &(0x7f00000000c0)={0x3, 0x4, &(0x7f0000000700)=@framed={{}, [@call={0x85, 0x0, 0x0, 0x4f}]}, &(0x7f0000000200)='GPL\x00', 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, @sched_cls, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @void, @value}, 0x94)

program did not crash
testing program (duration=31.551078975s, {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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): bpf$BPF_PROG_TEST_RUN
detailed listing:
executing program 0:
bpf$BPF_PROG_TEST_RUN(0xa, &(0x7f0000000400)={0xffffffffffffffff, 0x18000000000002a0, 0xe, 0x0, &(0x7f00000002c0)="d2ff03076003008cb89e08f088a8", 0x0, 0xd5b1, 0x60000000, 0x0, 0x0, 0x0, 0x0}, 0x50)

program did not crash
testing program (duration=31.551078975s, {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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): bpf$PROG_LOAD-bpf$BPF_PROG_TEST_RUN
detailed listing:
executing program 0:
r0 = bpf$PROG_LOAD(0x5, 0x0, 0x0)
bpf$BPF_PROG_TEST_RUN(0xa, &(0x7f0000000400)={r0, 0x18000000000002a0, 0xe, 0x0, &(0x7f00000002c0)="d2ff03076003008cb89e08f088a8", 0x0, 0xd5b1, 0x60000000, 0x0, 0x0, 0x0, 0x0}, 0x50)

program did not crash
testing program (duration=31.551078975s, {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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): bpf$PROG_LOAD-bpf$BPF_PROG_TEST_RUN
detailed listing:
executing program 0:
r0 = bpf$PROG_LOAD(0x5, &(0x7f00000000c0)={0x3, 0x0, 0x0, &(0x7f0000000200)='GPL\x00', 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, @sched_cls, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @void, @value}, 0x94)
bpf$BPF_PROG_TEST_RUN(0xa, &(0x7f0000000400)={r0, 0x18000000000002a0, 0xe, 0x0, &(0x7f00000002c0)="d2ff03076003008cb89e08f088a8", 0x0, 0xd5b1, 0x60000000, 0x0, 0x0, 0x0, 0x0}, 0x50)

program did not crash
testing program (duration=31.551078975s, {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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): bpf$PROG_LOAD-bpf$BPF_PROG_TEST_RUN
detailed listing:
executing program 0:
r0 = bpf$PROG_LOAD(0x5, &(0x7f00000000c0)={0x3, 0x4, &(0x7f0000000700)=@framed={{}, [@call={0x85, 0x0, 0x0, 0x4f}]}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, @sched_cls, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @void, @value}, 0x94)
bpf$BPF_PROG_TEST_RUN(0xa, &(0x7f0000000400)={r0, 0x18000000000002a0, 0xe, 0x0, &(0x7f00000002c0)="d2ff03076003008cb89e08f088a8", 0x0, 0xd5b1, 0x60000000, 0x0, 0x0, 0x0, 0x0}, 0x50)

program did not crash
testing program (duration=31.551078975s, {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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): bpf$PROG_LOAD-bpf$BPF_PROG_TEST_RUN
detailed listing:
executing program 0:
bpf$PROG_LOAD(0x5, &(0x7f00000000c0)={0x3, 0x4, &(0x7f0000000700)=@framed={{}, [@call={0x85, 0x0, 0x0, 0x4f}]}, &(0x7f0000000200)='GPL\x00', 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, @sched_cls, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @void, @value}, 0x94)
bpf$BPF_PROG_TEST_RUN(0xa, 0x0, 0x0)

program did not crash
testing program (duration=31.551078975s, {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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): bpf$PROG_LOAD-bpf$BPF_PROG_TEST_RUN
detailed listing:
executing program 0:
r0 = bpf$PROG_LOAD(0x5, &(0x7f00000000c0)={0x3, 0x4, &(0x7f0000000700)=@framed={{}, [@call={0x85, 0x0, 0x0, 0x4f}]}, &(0x7f0000000200)='GPL\x00', 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, @sched_cls, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @void, @value}, 0x94)
bpf$BPF_PROG_TEST_RUN(0xa, &(0x7f0000000400)={r0, 0x18000000000002a0, 0x0, 0x0, 0x0, 0x0, 0xd5b1, 0x60000000, 0x0, 0x0, 0x0, 0x0}, 0x50)

program did not crash
testing program (duration=31.551078975s, {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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): bpf$PROG_LOAD-bpf$BPF_PROG_TEST_RUN
detailed listing:
executing program 0:
r0 = bpf$PROG_LOAD(0x5, &(0x7f00000000c0)={0x3, 0x4, &(0x7f0000000700)=@framed={{}, [@call={0x85, 0x0, 0x0, 0x4f}]}, &(0x7f0000000200)='GPL\x00', 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, @sched_cls, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @void, @value}, 0x94)
bpf$BPF_PROG_TEST_RUN(0xa, &(0x7f0000000400)={r0, 0x18000000000002a0, 0x0, 0x0, &(0x7f00000002c0), 0x0, 0xd5b1, 0x60000000, 0x0, 0x0, 0x0, 0x0}, 0x50)

program did not crash
extracting C reproducer
testing compiled C program (duration=31.551078975s, {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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): bpf$PROG_LOAD-bpf$BPF_PROG_TEST_RUN
program crashed: general protection fault in bpf_skb_cgroup_id
simplifying C reproducer
testing compiled C program (duration=31.551078975s, {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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): bpf$PROG_LOAD-bpf$BPF_PROG_TEST_RUN
program crashed: general protection fault in bpf_skb_cgroup_id
testing compiled C program (duration=31.551078975s, {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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): bpf$PROG_LOAD-bpf$BPF_PROG_TEST_RUN
program crashed: general protection fault in bpf_skb_cgroup_id
testing compiled C program (duration=31.551078975s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): bpf$PROG_LOAD-bpf$BPF_PROG_TEST_RUN
program crashed: general protection fault in bpf_skb_cgroup_id
testing compiled C program (duration=31.551078975s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): bpf$PROG_LOAD-bpf$BPF_PROG_TEST_RUN
program crashed: general protection fault in bpf_skb_cgroup_id
testing compiled C program (duration=31.551078975s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): bpf$PROG_LOAD-bpf$BPF_PROG_TEST_RUN
program crashed: general protection fault in bpf_skb_cgroup_id
testing compiled C program (duration=31.551078975s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): bpf$PROG_LOAD-bpf$BPF_PROG_TEST_RUN
program crashed: general protection fault in bpf_skb_cgroup_id
reproducing took 13m46.606094635s
repro crashed as (corrupted=true):
kasan: CONFIG_KASAN_INLINE enabled
kasan: GPF could be caused by NULL-ptr deref or user memory access
general protection fault: 0000 [#1] PREEMPT SMP KASAN
CPU: 1 PID: 335 Comm: syz-executor256 Not tainted 5.4.292-syzkaller-00021-gcd8e74fa0fa3 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
RIP: 0010:____bpf_skb_cgroup_id net/core/filter.c:4150 [inline]
RIP: 0010:bpf_skb_cgroup_id+0x118/0x1a0 net/core/filter.c:4141
Code: a0 02 00 00 48 89 d8 48 c1 e8 03 42 80 3c 38 00 74 08 48 89 df e8 38 44 26 fe 41 be 40 01 00 00 4c 03 33 4c 89 f0 48 c1 e8 03 <42> 80 3c 38 00 74 08 4c 89 f7 e8 19 44 26 fe 49 8b 1e 48 83 c3 68
RSP: 0018:ffff8881eeeb7b00 EFLAGS: 00010206
RAX: 0000000000000028 RBX: ffff8881eef76aa0 RCX: ffff8881f0ddee40
RDX: 0000000000000000 RSI: 0000000000000080 RDI: 0000000000000000
RBP: ffff8881eeeb7b18 R08: ffff8881eeeb7d20 R09: ffffed103dddfe15
R10: ffffed103dddfe15 R11: 1ffff1103dddfe14 R12: dffffc0000000000
R13: ffffc90000034020 R14: 0000000000000140 R15: dffffc0000000000
FS:  0000555586219380(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055fb2f9a3000 CR3: 00000001ef012000 CR4: 00000000003406a0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
Modules linked in:
---[ end trace b3887db8e776b86f ]---
RIP: 0010:____bpf_skb_cgroup_id net/core/filter.c:4150 [inline]
RIP: 0010:bpf_skb_cgroup_id+0x118/0x1a0 net/core/filter.c:4141
Code: a0 02 00 00 48 89 d8 48 c1 e8 03 42 80 3c 38 00 74 08 48 89 df e8 38 44 26 fe 41 be 40 01 00 00 4c 03 33 4c 89 f0 48 c1 e8 03 <42> 80 3c 38 00 74 08 4c 89 f7 e8 19 44 26 fe 49 8b 1e 48 83 c3 68
RSP: 0018:ffff8881eeeb7b00 EFLAGS: 00010206
RAX: 0000000000000028 RBX: ffff8881eef76aa0 RCX: ffff8881f0ddee40
RDX: 0000000000000000 RSI: 0000000000000080 RDI: 0000000000000000
RBP: ffff8881eeeb7b18 R08: ffff8881eeeb7d20 R09: ffffed103dddfe15
R10: ffffed103dddfe15 R11: 1ffff1103dddfe14 R12: dffffc0000000000
R13: ffffc90000034020 R14: 0000000000000140 R15: dffffc0000000000
FS:  0000555586219380(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055fb2f9a3000 CR3: 00000001ef012000 CR4: 00000000003406a0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
----------------
Code disassembly (best guess):
   0:	a0 02 00 00 48 89 d8 	movabs 0xc148d88948000002,%al
   7:	48 c1
   9:	e8 03 42 80 3c       	call   0x3c804211
   e:	38 00                	cmp    %al,(%rax)
  10:	74 08                	je     0x1a
  12:	48 89 df             	mov    %rbx,%rdi
  15:	e8 38 44 26 fe       	call   0xfe264452
  1a:	41 be 40 01 00 00    	mov    $0x140,%r14d
  20:	4c 03 33             	add    (%rbx),%r14
  23:	4c 89 f0             	mov    %r14,%rax
  26:	48 c1 e8 03          	shr    $0x3,%rax
* 2a:	42 80 3c 38 00       	cmpb   $0x0,(%rax,%r15,1) <-- trapping instruction
  2f:	74 08                	je     0x39
  31:	4c 89 f7             	mov    %r14,%rdi
  34:	e8 19 44 26 fe       	call   0xfe264452
  39:	49 8b 1e             	mov    (%r14),%rbx
  3c:	48 83 c3 68          	add    $0x68,%rbx

report is corrupted, running repro again
testing compiled C program (duration=31.551078975s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): bpf$PROG_LOAD-bpf$BPF_PROG_TEST_RUN
program crashed: general protection fault in bpf_skb_cgroup_id
report is corrupted, running repro again
testing compiled C program (duration=31.551078975s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): bpf$PROG_LOAD-bpf$BPF_PROG_TEST_RUN
program crashed: general protection fault in bpf_skb_cgroup_id
report is corrupted, running repro again
testing compiled C program (duration=31.551078975s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): bpf$PROG_LOAD-bpf$BPF_PROG_TEST_RUN
program crashed: general protection fault in bpf_skb_cgroup_id
final repro crashed as (corrupted=true):
kasan: CONFIG_KASAN_INLINE enabled
kasan: GPF could be caused by NULL-ptr deref or user memory access
general protection fault: 0000 [#1] PREEMPT SMP KASAN
CPU: 0 PID: 335 Comm: syz-executor177 Not tainted 5.4.292-syzkaller-00021-gcd8e74fa0fa3 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
RIP: 0010:____bpf_skb_cgroup_id net/core/filter.c:4150 [inline]
RIP: 0010:bpf_skb_cgroup_id+0x118/0x1a0 net/core/filter.c:4141
Code: a0 02 00 00 48 89 d8 48 c1 e8 03 42 80 3c 38 00 74 08 48 89 df e8 38 44 26 fe 41 be 40 01 00 00 4c 03 33 4c 89 f0 48 c1 e8 03 <42> 80 3c 38 00 74 08 4c 89 f7 e8 19 44 26 fe 49 8b 1e 48 83 c3 68
RSP: 0018:ffff8881de417b00 EFLAGS: 00010206
RAX: 0000000000000028 RBX: ffff8881f06f02a0 RCX: ffff8881eec92f40
RDX: 0000000000000000 RSI: 0000000000000080 RDI: 0000000000000000
RBP: ffff8881de417b18 R08: ffff8881de417d20 R09: ffffed103dda9b95
R10: ffffed103dda9b95 R11: 1ffff1103dda9b94 R12: dffffc0000000000
R13: ffffc90000046020 R14: 0000000000000140 R15: dffffc0000000000
FS:  0000555560ad9380(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055e00cd7f000 CR3: 00000001ef0b9000 CR4: 00000000003406b0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
Modules linked in:
---[ end trace f488da694cca8cae ]---
RIP: 0010:____bpf_skb_cgroup_id net/core/filter.c:4150 [inline]
RIP: 0010:bpf_skb_cgroup_id+0x118/0x1a0 net/core/filter.c:4141
Code: a0 02 00 00 48 89 d8 48 c1 e8 03 42 80 3c 38 00 74 08 48 89 df e8 38 44 26 fe 41 be 40 01 00 00 4c 03 33 4c 89 f0 48 c1 e8 03 <42> 80 3c 38 00 74 08 4c 89 f7 e8 19 44 26 fe 49 8b 1e 48 83 c3 68
RSP: 0018:ffff8881de417b00 EFLAGS: 00010206
RAX: 0000000000000028 RBX: ffff8881f06f02a0 RCX: ffff8881eec92f40
RDX: 0000000000000000 RSI: 0000000000000080 RDI: 0000000000000000
RBP: ffff8881de417b18 R08: ffff8881de417d20 R09: ffffed103dda9b95
R10: ffffed103dda9b95 R11: 1ffff1103dda9b94 R12: dffffc0000000000
R13: ffffc90000046020 R14: 0000000000000140 R15: dffffc0000000000
FS:  0000555560ad9380(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055e00cd7f000 CR3: 00000001ef0b9000 CR4: 00000000003406b0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
----------------
Code disassembly (best guess):
   0:	a0 02 00 00 48 89 d8 	movabs 0xc148d88948000002,%al
   7:	48 c1
   9:	e8 03 42 80 3c       	call   0x3c804211
   e:	38 00                	cmp    %al,(%rax)
  10:	74 08                	je     0x1a
  12:	48 89 df             	mov    %rbx,%rdi
  15:	e8 38 44 26 fe       	call   0xfe264452
  1a:	41 be 40 01 00 00    	mov    $0x140,%r14d
  20:	4c 03 33             	add    (%rbx),%r14
  23:	4c 89 f0             	mov    %r14,%rax
  26:	48 c1 e8 03          	shr    $0x3,%rax
* 2a:	42 80 3c 38 00       	cmpb   $0x0,(%rax,%r15,1) <-- trapping instruction
  2f:	74 08                	je     0x39
  31:	4c 89 f7             	mov    %r14,%rdi
  34:	e8 19 44 26 fe       	call   0xfe264452
  39:	49 8b 1e             	mov    (%r14),%rbx
  3c:	48 83 c3 68          	add    $0x68,%rbx