syzkaller login: [ 39.221336] ------------[ cut here ]------------ [ 39.222292] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 39.224282] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/232 [ 39.225733] Modules linked in: [ 39.226385] CPU: 0 UID: 104 PID: 232 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 39.228384] Tainted: [W]=WARN [ 39.228943] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 39.230425] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 39.231344] Code: e0 ad 11 00 81 e6 1f 52 ee ff 89 4c 24 40 89 74 24 30 90 48 c7 c7 40 38 f1 84 4c 8d 44 24 40 48 8d 54 24 30 e8 30 7b 94 ff 90 <0f> 0b 90 90 8b 44 24 40 48 c7 03 00 00 00 00 c7 43 08 00 00 00 00 [ 39.234536] RSP: 0018:ffff8880173bfbc0 EFLAGS: 00010286 [ 39.235519] RAX: 0000000000000000 RBX: ffffed1002e77f78 RCX: ffffffff813a4050 [ 39.236804] RDX: ffff888014ad9bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 39.238078] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002e77f2f [ 39.239366] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000400dc0 [ 39.240641] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff8880173bfdf8 [ 39.241903] FS: 00007f4ecc4be900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 39.243348] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 39.244420] CR2: 00007ffe219e6ef8 CR3: 000000000d98e000 CR4: 0000000000350ef0 [ 39.245707] Call Trace: [ 39.246204] [ 39.246623] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 39.247528] ? __create_object+0x59/0x80 [ 39.248316] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.249280] __vmalloc_noprof+0x59/0x60 [ 39.249989] bpf_prog_alloc_no_stats+0x55/0x470 [ 39.250889] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.251836] bpf_prog_alloc+0x39/0x200 [ 39.252583] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.253519] bpf_prog_create_from_user+0xb2/0x2f0 [ 39.254437] do_seccomp+0x349/0x25e0 [ 39.255102] ? find_held_lock+0x2b/0x80 [ 39.255862] ? do_prlimit+0x310/0x610 [ 39.256615] ? __pfx_do_seccomp+0x10/0x10 [ 39.257498] ? do_raw_spin_unlock+0x53/0x220 [ 39.258350] ? _raw_spin_unlock+0x1e/0x40 [ 39.259088] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 39.260050] ? static_key_count+0x60/0x80 [ 39.260838] prctl_set_seccomp+0x4e/0x70 [ 39.261623] __do_sys_prctl+0xe6c/0x1d70 [ 39.262430] ? __pfx___do_sys_prctl+0x10/0x10 [ 39.263288] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 39.264257] ? irqentry_exit+0xf3/0x650 [ 39.264969] do_syscall_64+0xbf/0x430 [ 39.265717] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 39.266690] RIP: 0033:0x7f4ecc9b05cd [ 39.267743] Code: 00 48 89 44 24 18 31 c0 48 8d 44 24 60 c7 04 24 08 00 00 00 48 89 44 24 08 48 8d 44 24 20 48 89 44 24 10 b8 9d 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 1b 48 8b 4c 24 18 64 48 2b 0c 25 28 00 00 00 [ 39.270918] RSP: 002b:00007ffe219e43e0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 39.272280] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f4ecc9b05cd [ 39.273570] RDX: 0000558868046e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 39.274876] RBP: 00007ffe219e4440 R08: 0000000000000000 R09: 00007ffe219e3ae0 [ 39.276178] R10: 0000000000000000 R11: 0000000000000246 R12: 00005588a3fccad0 [ 39.277473] R13: 00007ffe219e4870 R14: 00005588a3fcdbc0 R15: 00005588a3fde780 [ 39.278803] [ 39.279258] irq event stamp: 1787 [ 39.279855] hardirqs last enabled at (1795): [] __up_console_sem+0x78/0x80 [ 39.281390] hardirqs last disabled at (1804): [] __up_console_sem+0x5d/0x80 [ 39.282916] softirqs last enabled at (1742): [] handle_softirqs+0x50c/0x770 [ 39.284481] softirqs last disabled at (1737): [] __irq_exit_rcu+0xc4/0x100 [ 39.286014] ---[ end trace 0000000000000000 ]--- [ 42.649224] ------------[ cut here ]------------ [ 42.650089] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.652192] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/240 [ 42.653607] Modules linked in: [ 42.654232] CPU: 0 UID: 104 PID: 240 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 42.656213] Tainted: [W]=WARN [ 42.656764] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.658215] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.659103] Code: e0 ad 11 00 81 e6 1f 52 ee ff 89 4c 24 40 89 74 24 30 90 48 c7 c7 40 38 f1 84 4c 8d 44 24 40 48 8d 54 24 30 e8 30 7b 94 ff 90 <0f> 0b 90 90 8b 44 24 40 48 c7 03 00 00 00 00 c7 43 08 00 00 00 00 [ 42.662228] RSP: 0018:ffff88801715fbc0 EFLAGS: 00010286 [ 42.663251] RAX: 0000000000000000 RBX: ffffed1002e2bf78 RCX: ffffffff813a4050 [ 42.664523] RDX: ffff88800b291bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.665797] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002e2bf2f [ 42.667096] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.668381] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801715fdf8 [ 42.669667] FS: 00007fe7f7c6d900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 42.671144] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.672221] CR2: 00007ffde613fef8 CR3: 000000000e2dd000 CR4: 0000000000350ef0 [ 42.673490] Call Trace: [ 42.673942] [ 42.674406] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.675322] ? __create_object+0x59/0x80 [ 42.676047] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.677006] __vmalloc_noprof+0x59/0x60 [ 42.677749] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.678646] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.679572] bpf_prog_alloc+0x39/0x200 [ 42.680304] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.681219] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.682071] do_seccomp+0x349/0x25e0 [ 42.682808] ? find_held_lock+0x2b/0x80 [ 42.683554] ? do_prlimit+0x310/0x610 [ 42.684282] ? __pfx_do_seccomp+0x10/0x10 [ 42.685008] ? do_raw_spin_unlock+0x53/0x220 [ 42.685834] ? _raw_spin_unlock+0x1e/0x40 [ 42.686644] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.687608] ? static_key_count+0x60/0x80 [ 42.688384] prctl_set_seccomp+0x4e/0x70 [ 42.689092] __do_sys_prctl+0xe6c/0x1d70 [ 42.689878] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.690779] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.691762] ? irqentry_exit+0xf3/0x650 [ 42.692532] do_syscall_64+0xbf/0x430 [ 42.693286] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.694259] RIP: 0033:0x7fe7f815f5cd [ 42.694957] Code: 00 48 89 44 24 18 31 c0 48 8d 44 24 60 c7 04 24 08 00 00 00 48 89 44 24 08 48 8d 44 24 20 48 89 44 24 10 b8 9d 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 1b 48 8b 4c 24 18 64 48 2b 0c 25 28 00 00 00 [ 42.698103] RSP: 002b:00007ffde613df80 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.699469] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fe7f815f5cd [ 42.700745] RDX: 00005649d91a8e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.702011] RBP: 00007ffde613dfe0 R08: 0000000000000000 R09: 00007ffde613d680 [ 42.703336] R10: 0000000000000000 R11: 0000000000000246 R12: 00005649e9ff92b0 [ 42.704587] R13: 00007ffde613e410 R14: 00005649e9ffbd20 R15: 00005649ea00d8d0 [ 42.705883] [ 42.706358] irq event stamp: 1723 [ 42.706973] hardirqs last enabled at (1731): [] __up_console_sem+0x78/0x80 [ 42.708487] hardirqs last disabled at (1740): [] __up_console_sem+0x5d/0x80 [ 42.710002] softirqs last enabled at (1626): [] handle_softirqs+0x50c/0x770 [ 42.711572] softirqs last disabled at (1621): [] __irq_exit_rcu+0xc4/0x100 [ 42.713098] ---[ end trace 0000000000000000 ]--- [ 43.517234] ------------[ cut here ]------------ [ 43.517948] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 43.519619] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/247 [ 43.520826] Modules linked in: [ 43.521337] CPU: 0 UID: 104 PID: 247 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 43.523008] Tainted: [W]=WARN [ 43.523506] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 43.524724] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 43.525487] Code: e0 ad 11 00 81 e6 1f 52 ee ff 89 4c 24 40 89 74 24 30 90 48 c7 c7 40 38 f1 84 4c 8d 44 24 40 48 8d 54 24 30 e8 30 7b 94 ff 90 <0f> 0b 90 90 8b 44 24 40 48 c7 03 00 00 00 00 c7 43 08 00 00 00 00 [ 43.528156] RSP: 0018:ffff888014377bc0 EFLAGS: 00010286 [ 43.528950] RAX: 0000000000000000 RBX: ffffed100286ef78 RCX: ffffffff813a4050 [ 43.530017] RDX: ffff88800f71b780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 43.531124] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed100286ef2f [ 43.532205] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000400dc0 [ 43.533275] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888014377df8 [ 43.534345] FS: 00007f7097c43900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 43.535574] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 43.536462] CR2: 00007f7098135580 CR3: 000000001f272000 CR4: 0000000000350ef0 [ 43.537542] Call Trace: [ 43.537931] [ 43.538298] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 43.539037] ? __create_object+0x59/0x80 [ 43.539702] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 43.540510] __vmalloc_noprof+0x59/0x60 [ 43.541103] bpf_prog_alloc_no_stats+0x55/0x470 [ 43.541832] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.542619] bpf_prog_alloc+0x39/0x200 [ 43.543226] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.543957] bpf_prog_create_from_user+0xb2/0x2f0 [ 43.544715] do_seccomp+0x349/0x25e0 [ 43.545314] ? __pfx_css_rstat_updated+0x10/0x10 [ 43.546025] ? __pfx_do_seccomp+0x10/0x10 [ 43.546695] ? find_held_lock+0x2b/0x80 [ 43.547336] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 43.548098] ? static_key_count+0x60/0x80 [ 43.548773] prctl_set_seccomp+0x4e/0x70 [ 43.549399] __do_sys_prctl+0xe6c/0x1d70 [ 43.549989] ? __pfx___do_sys_prctl+0x10/0x10 [ 43.550680] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 43.551462] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 43.552239] ? irqentry_exit+0xf3/0x650 [ 43.552814] do_syscall_64+0xbf/0x430 [ 43.553416] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 43.554137] RIP: 0033:0x7f70981355cd [ 43.554720] Code: 00 48 89 44 24 18 31 c0 48 8d 44 24 60 c7 04 24 08 00 00 00 48 89 44 24 08 48 8d 44 24 20 48 89 44 24 10 b8 9d 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 1b 48 8b 4c 24 18 64 48 2b 0c 25 28 00 00 00 [ 43.557257] RSP: 002b:00007ffcaf8e6ab0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 43.558360] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f70981355cd [ 43.559411] RDX: 0000555d28e23e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 43.560441] RBP: 00007ffcaf8e6b10 R08: 0000000000000000 R09: 00007ffcaf8e61b0 [ 43.561474] R10: 0000000000000000 R11: 0000000000000246 R12: 0000555d634c2ad0 [ 43.562515] R13: 00007ffcaf8e6f40 R14: 0000555d634c3bc0 R15: 0000555d634d4780 [ 43.563563] [ 43.563908] irq event stamp: 1667 [ 43.564440] hardirqs last enabled at (1677): [] __up_console_sem+0x78/0x80 [ 43.565679] hardirqs last disabled at (1686): [] __up_console_sem+0x5d/0x80 [ 43.566907] softirqs last enabled at (1166): [] handle_softirqs+0x50c/0x770 [ 43.568182] softirqs last disabled at (1153): [] __irq_exit_rcu+0xc4/0x100 [ 43.569449] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:19066' (ECDSA) to the list of known hosts. 2025/11/18 11:55:02 fuzzer started 2025/11/18 11:55:02 dialing manager at localhost:34383 2025/11/18 11:55:02 checking machine... 2025/11/18 11:55:02 checking revisions... [ 44.458557] kmemleak: Automatic memory scanning thread ended 2025/11/18 11:55:02 testing simple program... [ 44.548382] cgroup: Unknown subsys name 'net' [ 44.602132] cgroup: Unknown subsys name 'cpuset' [ 44.614320] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program VM DIAGNOSIS: 11:55:01 Registers: info registers vcpu 0 RAX=0000000000000000 RBX=ffff888017239bc0 RCX=0000000000000002 RDX=0000000000000000 RSI=0000000000000000 RDI=ffffffff85e1ffe0 RBP=ffffffff85e1ffe0 RSP=ffff88806ce088a8 R8 =0000000000000000 R9 =0000000000000000 R10=0000000000000001 R11=0000000000000001 R12=0000000000000002 R13=0000000000000000 R14=0000000000000000 R15=0000000000000200 RIP=ffffffff81526f05 RFL=00000082 [--S----] CPL=0 II=0 A20=1 SMM=0 HLT=0 ES =0000 0000000000000000 00000000 00000000 CS =0010 0000000000000000 ffffffff 00a09b00 DPL=0 CS64 [-RA] SS =0018 0000000000000000 ffffffff 00c09300 DPL=0 DS [-WA] DS =0000 0000000000000000 00000000 00000000 FS =0000 00007fe7f7c6d900 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe5100000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007ffde6138000 CR3=000000000e33c000 CR4=00350ef0 DR0=0000000000000000 DR1=0000000000000000 DR2=0000000000000000 DR3=0000000000000000 DR6=00000000ffff0ff0 DR7=0000000000000400 EFER=0000000000000d01 FCW=037f FSW=0000 [ST=0] FTW=00 MXCSR=00001f80 FPR0=0000000000000000 0000 FPR1=0000000000000000 0000 FPR2=0000000000000000 0000 FPR3=0000000000000000 0000 FPR4=0000000000000000 0000 FPR5=0000000000000000 0000 FPR6=0000000000000000 0000 FPR7=0000000000000000 0000 XMM00=00000000000000000000000000000000 XMM01=74696d7265705f6d61703d73726f746e XMM02=000000000000000000000000000000ff XMM03=5320444f4854454d5f54505952434e45 XMM04=40404040404040404040404040404040 XMM05=5a5a5a5a5a5a5a5a5a5a5a5a5a5a5a5a XMM06=20202020202020202020202020202020 XMM07=00000000000000000000000000000000 XMM08=61662029286e65706f5f746964756100 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=00000000000000c4 RBX=ffff8880096fb780 RCX=0000000000000200 RDX=0000000000000008 RSI=ffff8880096fc200 RDI=ffff8880096fc1d8 RBP=ffff8880096fc1d8 RSP=ffff888009757690 R8 =0000000000000001 R9 =0000000000000000 R10=0000000000000001 R11=0000000000000000 R12=ffff8880096fc200 R13=b503ba001073dead R14=0000000000000000 R15=0000000000000001 RIP=ffffffff815228f3 RFL=00000003 [------C] CPL=0 II=0 A20=1 SMM=0 HLT=0 ES =0000 0000000000000000 00000000 00000000 CS =0010 0000000000000000 ffffffff 00a09b00 DPL=0 CS64 [-RA] SS =0018 0000000000000000 ffffffff 00c09300 DPL=0 DS [-WA] DS =0000 0000000000000000 00000000 00000000 FS =0000 0000000000000000 00000000 00000000 GS =0000 ffff8880e548f000 00000000 00000000 LDT=0000 fffffe0b00000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007ffcd9dc1288 CR3=000000000e341000 CR4=00350ef0 DR0=0000000000000000 DR1=0000000000000000 DR2=0000000000000000 DR3=0000000000000000 DR6=00000000ffff0ff0 DR7=0000000000000400 EFER=0000000000000d01 FCW=037f FSW=0000 [ST=0] FTW=00 MXCSR=00001f80 FPR0=0000000000000000 0000 FPR1=0000000000000000 0000 FPR2=0000000000000000 0000 FPR3=0000000000000000 0000 FPR4=0000000000000000 0000 FPR5=0000000000000000 0000 FPR6=0000000000000000 0000 FPR7=0000000000000000 0000 XMM00=2031303a35353a313120383120766f4e XMM01=73732878696e755f6d6170203a5d3933 XMM02=65736f6c63206e6f6973736573203a29 XMM03=755f6d6170203a5d3933325b64687373 XMM04=69662068637573206f4e203a656c6163 XMM05=3a656c696620766e65206e65706f206f XMM06=65733a6468737328766e655f6d617020 XMM07=6b7a79732031303a35353a3131203831 XMM08=74696c6962617061633d7373616c6374 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000