syzkaller login: [ 39.037960] ------------[ cut here ]------------ [ 39.038923] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 39.041002] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/233 [ 39.042501] Modules linked in: [ 39.043167] CPU: 0 UID: 104 PID: 233 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 39.045190] Tainted: [W]=WARN [ 39.045749] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 39.047222] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 39.048114] Code: e0 ad 11 00 81 e6 1f 52 ee ff 89 4c 24 40 89 74 24 30 90 48 c7 c7 00 38 f1 84 4c 8d 44 24 40 48 8d 54 24 30 e8 a0 7c 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 [ 39.051273] RSP: 0018:ffff88801624fbc0 EFLAGS: 00010286 [ 39.052238] RAX: 0000000000000000 RBX: ffffed1002c49f78 RCX: ffffffff813a4050 [ 39.053503] RDX: ffff888016f00000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 39.054772] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002c49f2f [ 39.056050] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000400dc0 [ 39.057319] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801624fdf8 [ 39.058608] FS: 00007f50bee4a900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 39.060035] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 39.061102] CR2: 00007fffc8c04ef8 CR3: 000000000da9c000 CR4: 0000000000350ef0 [ 39.062389] Call Trace: [ 39.062893] [ 39.063302] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 39.064202] ? __create_object+0x59/0x80 [ 39.064992] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.065957] __vmalloc_noprof+0x59/0x60 [ 39.066669] bpf_prog_alloc_no_stats+0x55/0x470 [ 39.067530] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.068449] bpf_prog_alloc+0x39/0x200 [ 39.069174] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.070105] bpf_prog_create_from_user+0xb2/0x2f0 [ 39.071008] do_seccomp+0x349/0x25e0 [ 39.071676] ? find_held_lock+0x2b/0x80 [ 39.072424] ? do_prlimit+0x310/0x610 [ 39.073158] ? __pfx_do_seccomp+0x10/0x10 [ 39.073936] ? do_raw_spin_unlock+0x53/0x220 [ 39.074726] ? _raw_spin_unlock+0x1e/0x40 [ 39.075491] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 39.076445] ? static_key_count+0x60/0x80 [ 39.077244] prctl_set_seccomp+0x4e/0x70 [ 39.078013] __do_sys_prctl+0xe6c/0x1d70 [ 39.078760] ? __pfx___do_sys_prctl+0x10/0x10 [ 39.079613] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 39.080573] ? irqentry_exit+0xf3/0x650 [ 39.081333] do_syscall_64+0xbf/0x430 [ 39.082075] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 39.083033] RIP: 0033:0x7f50bf33c5cd [ 39.083685] 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 [ 39.086877] RSP: 002b:00007fffc8c02d20 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 39.088222] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f50bf33c5cd [ 39.089486] RDX: 000055ecd26e9e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 39.090768] RBP: 00007fffc8c02d80 R08: 0000000000000000 R09: 00007fffc8c02420 [ 39.092055] R10: 0000000000000000 R11: 0000000000000246 R12: 000055ecfc792bf0 [ 39.093324] R13: 00007fffc8c031b0 R14: 000055ecfc79c380 R15: 000055ecfc7a7460 [ 39.094634] [ 39.095089] irq event stamp: 1843 [ 39.095690] hardirqs last enabled at (1851): [] __up_console_sem+0x78/0x80 [ 39.097211] hardirqs last disabled at (1860): [] __up_console_sem+0x5d/0x80 [ 39.098751] softirqs last enabled at (1820): [] handle_softirqs+0x50c/0x770 [ 39.100295] softirqs last disabled at (1815): [] __irq_exit_rcu+0xc4/0x100 [ 39.101806] ---[ end trace 0000000000000000 ]--- [ 42.266364] ------------[ cut here ]------------ [ 42.267303] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.269266] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/241 [ 42.270687] Modules linked in: [ 42.271299] CPU: 1 UID: 104 PID: 241 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 42.273244] Tainted: [W]=WARN [ 42.273785] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.275457] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.276422] Code: e0 ad 11 00 81 e6 1f 52 ee ff 89 4c 24 40 89 74 24 30 90 48 c7 c7 00 38 f1 84 4c 8d 44 24 40 48 8d 54 24 30 e8 a0 7c 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 [ 42.279535] RSP: 0018:ffff88801c767bc0 EFLAGS: 00010286 [ 42.280502] RAX: 0000000000000000 RBX: ffffed10038ecf78 RCX: ffffffff813a4050 [ 42.281752] RDX: ffff8880182c8000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.283010] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed10038ecf2f [ 42.284259] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.285513] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801c767df8 [ 42.286783] FS: 00007fd1c57c6900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 42.288185] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.289219] CR2: 00007fd1c5cb8580 CR3: 00000000175be000 CR4: 0000000000350ef0 [ 42.290487] Call Trace: [ 42.290980] [ 42.291382] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.292260] ? __create_object+0x59/0x80 [ 42.293065] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.294027] __vmalloc_noprof+0x59/0x60 [ 42.294733] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.295589] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.296503] bpf_prog_alloc+0x39/0x200 [ 42.297312] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.298259] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.299181] do_seccomp+0x349/0x25e0 [ 42.299853] ? __pfx_css_rstat_updated+0x10/0x10 [ 42.300735] ? __pfx_do_seccomp+0x10/0x10 [ 42.301516] ? find_held_lock+0x2b/0x80 [ 42.302274] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.303243] ? static_key_count+0x60/0x80 [ 42.304033] prctl_set_seccomp+0x4e/0x70 [ 42.304757] __do_sys_prctl+0xe6c/0x1d70 [ 42.305521] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.306371] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.307346] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.308317] ? irqentry_exit+0xf3/0x650 [ 42.309081] do_syscall_64+0xbf/0x430 [ 42.309759] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.310704] RIP: 0033:0x7fd1c5cb85cd [ 42.311390] 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 [ 42.314485] RSP: 002b:00007ffc1b80a100 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.315812] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fd1c5cb85cd [ 42.317069] RDX: 00005607d09d8e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.318335] RBP: 00007ffc1b80a160 R08: 0000000000000000 R09: 00007ffc1b809800 [ 42.319631] R10: 0000000000000000 R11: 0000000000000246 R12: 00005607fad3e2b0 [ 42.320895] R13: 00007ffc1b80a590 R14: 00005607fad40d20 R15: 00005607fad528d0 [ 42.322167] [ 42.322583] irq event stamp: 1855 [ 42.323106] hardirqs last enabled at (1865): [] __up_console_sem+0x78/0x80 [ 42.324333] hardirqs last disabled at (1874): [] __up_console_sem+0x5d/0x80 [ 42.325545] softirqs last enabled at (1652): [] handle_softirqs+0x50c/0x770 [ 42.326787] softirqs last disabled at (1643): [] __irq_exit_rcu+0xc4/0x100 [ 42.327997] ---[ end trace 0000000000000000 ]--- [ 43.051207] ------------[ cut here ]------------ [ 43.051744] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 43.052972] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/249 [ 43.053812] Modules linked in: [ 43.054193] CPU: 0 UID: 104 PID: 249 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 43.055391] Tainted: [W]=WARN [ 43.055717] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 43.056604] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 43.057151] Code: e0 ad 11 00 81 e6 1f 52 ee ff 89 4c 24 40 89 74 24 30 90 48 c7 c7 00 38 f1 84 4c 8d 44 24 40 48 8d 54 24 30 e8 a0 7c 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 [ 43.059059] RSP: 0018:ffff8880162cfbc0 EFLAGS: 00010286 [ 43.059623] RAX: 0000000000000000 RBX: ffffed1002c59f78 RCX: ffffffff813a4050 [ 43.060382] RDX: ffff88800f549bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 43.061144] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002c59f2f [ 43.061906] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000400dc0 [ 43.062654] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff8880162cfdf8 [ 43.063416] FS: 00007f6cb90ac900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 43.064278] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 43.064901] CR2: 00007ffc90049ef8 CR3: 00000000161f5000 CR4: 0000000000350ef0 [ 43.065632] Call Trace: [ 43.065931] [ 43.066175] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 43.066700] ? __create_object+0x59/0x80 [ 43.067166] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 43.067719] __vmalloc_noprof+0x59/0x60 [ 43.068177] bpf_prog_alloc_no_stats+0x55/0x470 [ 43.068680] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.069241] bpf_prog_alloc+0x39/0x200 [ 43.069660] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.070206] bpf_prog_create_from_user+0xb2/0x2f0 [ 43.070738] do_seccomp+0x349/0x25e0 [ 43.071174] ? find_held_lock+0x2b/0x80 [ 43.071605] ? do_prlimit+0x310/0x610 [ 43.072051] ? __pfx_do_seccomp+0x10/0x10 [ 43.072495] ? do_raw_spin_unlock+0x53/0x220 [ 43.072990] ? _raw_spin_unlock+0x1e/0x40 [ 43.073435] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 43.074008] ? static_key_count+0x60/0x80 [ 43.074468] prctl_set_seccomp+0x4e/0x70 [ 43.074926] __do_sys_prctl+0xe6c/0x1d70 [ 43.075367] ? __pfx___do_sys_prctl+0x10/0x10 [ 43.075876] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 43.076429] ? irqentry_exit+0xf3/0x650 [ 43.076888] do_syscall_64+0xbf/0x430 [ 43.077308] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 43.077865] RIP: 0033:0x7f6cb959e5cd [ 43.078257] 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 [ 43.080150] RSP: 002b:00007ffc900483b0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 43.080971] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f6cb959e5cd [ 43.081717] RDX: 0000559847579e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 43.082483] RBP: 00007ffc90048410 R08: 0000000000000000 R09: 00007ffc90047ab0 [ 43.083242] R10: 0000000000000000 R11: 0000000000000246 R12: 000055987831cbf0 [ 43.084009] R13: 00007ffc90048840 R14: 0000559878326380 R15: 0000559878331460 [ 43.084764] [ 43.085041] irq event stamp: 1731 [ 43.085400] hardirqs last enabled at (1739): [] __up_console_sem+0x78/0x80 [ 43.086320] hardirqs last disabled at (1748): [] __up_console_sem+0x5d/0x80 [ 43.087227] softirqs last enabled at (1112): [] handle_softirqs+0x50c/0x770 [ 43.088137] softirqs last disabled at (1087): [] __irq_exit_rcu+0xc4/0x100 [ 43.089033] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:10530' (ECDSA) to the list of known hosts. 2025/11/17 10:50:35 fuzzer started 2025/11/17 10:50:35 dialing manager at localhost:37895 2025/11/17 10:50:35 checking machine... 2025/11/17 10:50:35 checking revisions... [ 43.961606] kmemleak: Automatic memory scanning thread ended 2025/11/17 10:50:35 testing simple program... [ 44.027941] cgroup: Unknown subsys name 'net' [ 44.071431] cgroup: Unknown subsys name 'cpuset' [ 44.083254] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program VM DIAGNOSIS: 10:50:34 Registers: info registers vcpu 0 RAX=dffffc0000000000 RBX=ffff88806ce08ae8 RCX=ffff88806ce08a70 RDX=ffff88806ce08a50 RSI=ffff888017b33780 RDI=ffff88806ce08a00 RBP=ffff888017b33780 RSP=ffff88806ce089f8 R8 =0000000000000001 R9 =0000000000000000 R10=ffff88806ce08a50 R11=0000000000000000 R12=ffff88806ce08a70 R13=ffff88806ce08a78 R14=ffff88806ce08a98 R15=ffff88806ce08a50 RIP=ffffffff812a87c0 RFL=00000246 [---Z-P-] 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 00007fd1c57c6900 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe6000000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007fd1c5790008 CR3=000000000cf9c000 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=652022746f6f72223d74636361207469 XMM02=3d6c616e696d72657420322e322e302e XMM03=3d656d616e74736f682022646873732f XMM04=40404040404040404040404040404040 XMM05=5a5a5a5a5a5a5a5a5a5a5a5a5a5a5a5a XMM06=20202020202020202020202020202020 XMM07=00000000000000000000000000000000 XMM08=652075253d64692073253d706f000000 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=0000000000000000 RBX=ffff88806cf28548 RCX=0000000000000018 RDX=ffff8880174f8000 RSI=ffffffff81639f3f RDI=0000000000000006 RBP=0000000000000003 RSP=ffff88806cf08ec0 R8 =0000000000000001 R9 =0000000000000000 R10=000002848e100549 R11=0000000000000001 R12=00000009f612504b R13=dffffc0000000000 R14=0000000000000003 R15=0000000000014074 RIP=ffffffff81639f66 RFL=00000046 [---Z-P-] 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 00007fe49b1a7900 00000000 00000000 GS =0000 ffff8880e548f000 00000000 00000000 LDT=0000 fffffe4c00000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f5fef1ba008 CR3=0000000010006000 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=2034333a30353a303120373120766f4e XMM01=73732878696e755f6d6170203a5d3034 XMM02=65736f6c63206e6f6973736573203a29 XMM03=755f6d6170203a5d3034325b64687373 XMM04=69662068637573206f4e203a656c6163 XMM05=3a656c696620766e65206e65706f206f XMM06=65733a6468737328766e655f6d617020 XMM07=6b7a79732034333a30353a3031203731 XMM08=30343d7974696c696261706163202279 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000