syzkaller login: [ 47.660104] ------------[ cut here ]------------ [ 47.661126] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 47.663193] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/234 [ 47.664727] Modules linked in: [ 47.665402] CPU: 1 UID: 104 PID: 234 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 47.667721] Tainted: [W]=WARN [ 47.668441] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 47.669939] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 47.670833] 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 [ 47.674163] RSP: 0018:ffff888018e07bc0 EFLAGS: 00010286 [ 47.675170] RAX: 0000000000000000 RBX: ffffed10031c0f78 RCX: ffffffff813a4050 [ 47.676520] RDX: ffff88801c883780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 47.677813] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed10031c0f2f [ 47.679172] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 47.680504] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888018e07df8 [ 47.681868] FS: 00007f821e4ee900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 47.683361] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 47.684446] CR2: 00007f821ea544a6 CR3: 000000000dac0000 CR4: 0000000000350ef0 [ 47.685731] Call Trace: [ 47.686229] [ 47.686647] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 47.687532] ? __create_object+0x59/0x80 [ 47.688316] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 47.689304] __vmalloc_noprof+0x59/0x60 [ 47.690069] bpf_prog_alloc_no_stats+0x55/0x470 [ 47.690949] ? __pfx_seccomp_check_filter+0x10/0x10 [ 47.691828] bpf_prog_alloc+0x39/0x200 [ 47.692584] ? __pfx_seccomp_check_filter+0x10/0x10 [ 47.693512] bpf_prog_create_from_user+0xb2/0x2f0 [ 47.694404] do_seccomp+0x349/0x25e0 [ 47.695122] ? find_held_lock+0x2b/0x80 [ 47.695830] ? do_prlimit+0x310/0x610 [ 47.696597] ? __pfx_do_seccomp+0x10/0x10 [ 47.697382] ? do_raw_spin_unlock+0x53/0x220 [ 47.698206] ? _raw_spin_unlock+0x1e/0x40 [ 47.698981] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 47.699961] ? static_key_count+0x60/0x80 [ 47.700717] prctl_set_seccomp+0x4e/0x70 [ 47.701500] __do_sys_prctl+0xe6c/0x1d70 [ 47.702283] ? __pfx___do_sys_prctl+0x10/0x10 [ 47.703140] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 47.704126] ? irqentry_exit+0xf3/0x650 [ 47.704898] do_syscall_64+0xbf/0x430 [ 47.705598] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 47.706550] RIP: 0033:0x7f821e9e05cd [ 47.707247] 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 [ 47.710414] RSP: 002b:00007ffeb4ae5ee0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 47.711779] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f821e9e05cd [ 47.713057] RDX: 00005608f12e2e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 47.714339] RBP: 00007ffeb4ae5f40 R08: 0000000000000000 R09: 00007ffeb4ae55e0 [ 47.715627] R10: 0000000000000000 R11: 0000000000000246 R12: 00005608f6ad3b10 [ 47.716943] R13: 00007ffeb4ae6370 R14: 00005608f6ad42b0 R15: 00005608f6ae86f0 [ 47.718244] [ 47.718671] irq event stamp: 1835 [ 47.719324] hardirqs last enabled at (1845): [] __up_console_sem+0x78/0x80 [ 47.720879] hardirqs last disabled at (1854): [] __up_console_sem+0x5d/0x80 [ 47.722410] softirqs last enabled at (1758): [] handle_softirqs+0x50c/0x770 [ 47.723952] softirqs last disabled at (1753): [] __irq_exit_rcu+0xc4/0x100 [ 47.725324] ---[ end trace 0000000000000000 ]--- [ 51.255053] ------------[ cut here ]------------ [ 51.256136] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 51.258197] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/243 [ 51.259695] Modules linked in: [ 51.260392] CPU: 1 UID: 104 PID: 243 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 51.262458] Tainted: [W]=WARN [ 51.263084] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 51.264629] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 51.265569] 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 [ 51.268870] RSP: 0018:ffff88801a41fbc0 EFLAGS: 00010286 [ 51.269839] RAX: 0000000000000000 RBX: ffffed1003483f78 RCX: ffffffff813a4050 [ 51.271186] RDX: ffff88801605b780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 51.272525] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1003483f2f [ 51.273867] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 51.275181] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801a41fdf8 [ 51.276524] FS: 00007f5e3f808900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 51.278002] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 51.279100] CR2: 00007fff976b1ef7 CR3: 000000000df26000 CR4: 0000000000350ef0 [ 51.280438] Call Trace: [ 51.280958] [ 51.281378] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 51.282299] ? __create_object+0x59/0x80 [ 51.283092] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 51.284118] __vmalloc_noprof+0x59/0x60 [ 51.284900] bpf_prog_alloc_no_stats+0x55/0x470 [ 51.285743] ? __pfx_seccomp_check_filter+0x10/0x10 [ 51.286677] bpf_prog_alloc+0x39/0x200 [ 51.287417] ? __pfx_seccomp_check_filter+0x10/0x10 [ 51.288371] bpf_prog_create_from_user+0xb2/0x2f0 [ 51.289282] do_seccomp+0x349/0x25e0 [ 51.290012] ? find_held_lock+0x2b/0x80 [ 51.290738] ? do_prlimit+0x310/0x610 [ 51.291503] ? __pfx_do_seccomp+0x10/0x10 [ 51.292326] ? do_raw_spin_unlock+0x53/0x220 [ 51.293168] ? _raw_spin_unlock+0x1e/0x40 [ 51.293969] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 51.294951] ? static_key_count+0x60/0x80 [ 51.295725] prctl_set_seccomp+0x4e/0x70 [ 51.296540] __do_sys_prctl+0xe6c/0x1d70 [ 51.297325] ? __pfx___do_sys_prctl+0x10/0x10 [ 51.298194] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 51.299185] ? irqentry_exit+0xf3/0x650 [ 51.299984] do_syscall_64+0xbf/0x430 [ 51.300686] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 51.301646] RIP: 0033:0x7f5e3fcfa5cd [ 51.302361] 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 [ 51.305545] RSP: 002b:00007fff976b0890 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 51.306910] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f5e3fcfa5cd [ 51.308201] RDX: 00005567d2a72e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 51.309474] RBP: 00007fff976b08f0 R08: 0000000000000000 R09: 00007fff976aff90 [ 51.310754] R10: 0000000000000000 R11: 0000000000000246 R12: 00005567ebaadad0 [ 51.312073] R13: 00007fff976b0d20 R14: 00005567ebaaebc0 R15: 00005567ebabf780 [ 51.313414] [ 51.313885] irq event stamp: 1725 [ 51.314524] hardirqs last enabled at (1733): [] __up_console_sem+0x78/0x80 [ 51.316076] hardirqs last disabled at (1742): [] __up_console_sem+0x5d/0x80 [ 51.317397] softirqs last enabled at (1702): [] handle_softirqs+0x50c/0x770 [ 51.318715] softirqs last disabled at (1697): [] __irq_exit_rcu+0xc4/0x100 [ 51.320043] ---[ end trace 0000000000000000 ]--- [ 52.195986] ------------[ cut here ]------------ [ 52.196903] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 52.198888] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/251 [ 52.200366] Modules linked in: [ 52.201011] CPU: 0 UID: 104 PID: 251 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 52.203240] Tainted: [W]=WARN [ 52.203921] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 52.205550] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 52.206593] 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 [ 52.210128] RSP: 0018:ffff88800f177bc0 EFLAGS: 00010286 [ 52.211175] RAX: 0000000000000000 RBX: ffffed1001e2ef78 RCX: ffffffff813a4050 [ 52.212664] RDX: ffff888015c1b780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 52.214063] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1001e2ef2f [ 52.215535] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 52.217020] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88800f177df8 [ 52.218489] FS: 00007fce53be1900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 52.220108] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 52.221248] CR2: 00007fce540d3580 CR3: 000000000d2c6000 CR4: 0000000000350ef0 [ 52.222696] Call Trace: [ 52.223304] [ 52.223775] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 52.224803] ? __create_object+0x59/0x80 [ 52.225676] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 52.226671] __vmalloc_noprof+0x59/0x60 [ 52.227486] bpf_prog_alloc_no_stats+0x55/0x470 [ 52.228536] ? __pfx_seccomp_check_filter+0x10/0x10 [ 52.229649] bpf_prog_alloc+0x39/0x200 [ 52.230497] ? __pfx_seccomp_check_filter+0x10/0x10 [ 52.231561] bpf_prog_create_from_user+0xb2/0x2f0 [ 52.232505] do_seccomp+0x349/0x25e0 [ 52.233236] ? __pfx_css_rstat_updated+0x10/0x10 [ 52.234282] ? __pfx_do_seccomp+0x10/0x10 [ 52.235192] ? find_held_lock+0x2b/0x80 [ 52.236113] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 52.237283] ? static_key_count+0x60/0x80 [ 52.238216] prctl_set_seccomp+0x4e/0x70 [ 52.239108] __do_sys_prctl+0xe6c/0x1d70 [ 52.239989] ? __pfx___do_sys_prctl+0x10/0x10 [ 52.240962] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 52.242067] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 52.243192] ? irqentry_exit+0xf3/0x650 [ 52.244066] do_syscall_64+0xbf/0x430 [ 52.244949] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 52.246099] RIP: 0033:0x7fce540d35cd [ 52.246903] 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 [ 52.250392] RSP: 002b:00007ffeccc14b70 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 52.251865] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fce540d35cd [ 52.253215] RDX: 00005623e6341e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 52.254151] RBP: 00007ffeccc14bd0 R08: 0000000000000000 R09: 00007ffeccc14270 [ 52.255098] R10: 0000000000000000 R11: 0000000000000246 R12: 000056241131e2b0 [ 52.256034] R13: 00007ffeccc15000 R14: 0000562411320d20 R15: 00005624113328d0 [ 52.256949] [ 52.257234] irq event stamp: 1797 [ 52.257665] hardirqs last enabled at (1805): [] __up_console_sem+0x78/0x80 [ 52.258768] hardirqs last disabled at (1814): [] __up_console_sem+0x5d/0x80 [ 52.259880] softirqs last enabled at (1598): [] handle_softirqs+0x50c/0x770 [ 52.261057] softirqs last disabled at (1593): [] __irq_exit_rcu+0xc4/0x100 [ 52.262167] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:26303' (ECDSA) to the list of known hosts. 2025/11/18 10:06:58 fuzzer started 2025/11/18 10:06:59 dialing manager at localhost:34383 2025/11/18 10:06:59 checking machine... 2025/11/18 10:06:59 checking revisions... [ 53.186274] kmemleak: Automatic memory scanning thread ended 2025/11/18 10:06:59 testing simple program... [ 53.274124] cgroup: Unknown subsys name 'net' [ 53.331952] cgroup: Unknown subsys name 'cpuset' [ 53.345423] cgroup: Unknown subsys name 'rlimit' executing program executing program VM DIAGNOSIS: 10:06:58 Registers: info registers vcpu 0 RAX=0000000000000000 RBX=ffff888009d07af0 RCX=ffff88806ce089c4 RDX=0000000000000003 RSI=ffffffff85e1ffe0 RDI=ffff8880143a0ad0 RBP=ffff888009d00000 RSP=ffff88806ce089f0 R8 =0000000000000001 R9 =ffff88806ce08ab0 R10=000000000003c9ed R11=0000000000022f75 R12=ffff88806ce08a01 R13=ffff88806ce08ab8 R14=ffff888009d07ac0 R15=ffff88806ce08a70 RIP=ffffffff815d2b26 RFL=00000292 [--S-A--] 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 00007f5e3f808900 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe5300000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f5e3f7d7008 CR3=000000000e78c000 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=2038353a36303a303120383120766f4e XMM01=73732878696e755f6d6170203a5d3234 XMM02=65736f6c63206e6f6973736573203a29 XMM03=755f6d6170203a5d3234325b64687373 XMM04=69662068637573206f4e203a656c6163 XMM05=3a656c696620766e65206e65706f206f XMM06=65733a6468737328766e655f6d617020 XMM07=6b7a79732037353a36303a3031203831 XMM08=30343d7974696c696261706163202279 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=000000000002778f RBX=0000000000000001 RCX=ffffffff84c72d57 RDX=0000000000000000 RSI=0000000000000000 RDI=ffffffff814d2c90 RBP=dffffc0000000000 RSP=ffff8880096efe58 R8 =0000000000000001 R9 =ffffed100d9e639a R10=ffff88806cf31cd3 R11=0000000000000001 R12=ffffffff8664f850 R13=1ffff110012ddfd2 R14=0000000000000000 R15=0000000000000000 RIP=ffffffff84c7174e RFL=00000202 [-------] CPL=0 II=0 A20=1 SMM=0 HLT=1 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 fffffe5e00000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007ffff57a2378 CR3=000000000cc17000 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=845056423c761099ff4884ab0b3b8d4d XMM02=0000000000302f50ec2efd57dc4c00df XMM03=000000000030ea80a1ff65259e65335f XMM04=f24a5dae89ae510d00000000000ae988 XMM05=18be7f2e7c94103f00000000003201c0 XMM06=817b8945e9d50373000000000031eaf8 XMM07=e042d86d42eb936e000000000030fbd0 XMM08=a1ff65259e65335f0000000000302fb0 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000