syzkaller login: [ 46.194722] ------------[ cut here ]------------ [ 46.195704] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 46.197738] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/234 [ 46.199224] Modules linked in: [ 46.199836] CPU: 1 UID: 104 PID: 234 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 46.201853] Tainted: [W]=WARN [ 46.202475] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 46.203997] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 46.204922] 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 [ 46.208138] RSP: 0018:ffff88800d9d7bc0 EFLAGS: 00010286 [ 46.209113] RAX: 0000000000000000 RBX: ffffed1001b3af78 RCX: ffffffff813a4050 [ 46.210427] RDX: ffff888016743780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 46.211746] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1001b3af2f [ 46.213071] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 46.214377] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88800d9d7df8 [ 46.215688] FS: 00007efd2373a900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 46.217157] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 46.218236] CR2: 00007ffd1a98def8 CR3: 000000000dee2000 CR4: 0000000000350ef0 [ 46.219523] Call Trace: [ 46.219998] [ 46.220474] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 46.221382] ? __create_object+0x59/0x80 [ 46.222184] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 46.223147] __vmalloc_noprof+0x59/0x60 [ 46.223876] bpf_prog_alloc_no_stats+0x55/0x470 [ 46.224759] ? __pfx_seccomp_check_filter+0x10/0x10 [ 46.225697] bpf_prog_alloc+0x39/0x200 [ 46.226431] ? __pfx_seccomp_check_filter+0x10/0x10 [ 46.227371] bpf_prog_create_from_user+0xb2/0x2f0 [ 46.228308] do_seccomp+0x349/0x25e0 [ 46.228994] ? find_held_lock+0x2b/0x80 [ 46.229759] ? do_prlimit+0x310/0x610 [ 46.230526] ? __pfx_do_seccomp+0x10/0x10 [ 46.231346] ? do_raw_spin_unlock+0x53/0x220 [ 46.232218] ? _raw_spin_unlock+0x1e/0x40 [ 46.232961] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 46.233930] ? static_key_count+0x60/0x80 [ 46.234741] prctl_set_seccomp+0x4e/0x70 [ 46.235549] __do_sys_prctl+0xe6c/0x1d70 [ 46.236343] ? __pfx___do_sys_prctl+0x10/0x10 [ 46.237219] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 46.238199] ? irqentry_exit+0xf3/0x650 [ 46.238930] do_syscall_64+0xbf/0x430 [ 46.239704] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 46.240654] RIP: 0033:0x7efd23c2c5cd [ 46.241364] 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 [ 46.244597] RSP: 002b:00007ffd1a98c570 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 46.245959] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007efd23c2c5cd [ 46.247245] RDX: 000055d0ed2c9e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 46.248568] RBP: 00007ffd1a98c5d0 R08: 0000000000000000 R09: 00007ffd1a98bc70 [ 46.249875] R10: 0000000000000000 R11: 0000000000000246 R12: 000055d10e1502b0 [ 46.251176] R13: 00007ffd1a98ca00 R14: 000055d10e152d20 R15: 000055d10e1648d0 [ 46.252502] [ 46.252924] irq event stamp: 1745 [ 46.253577] hardirqs last enabled at (1755): [] __up_console_sem+0x78/0x80 [ 46.255106] hardirqs last disabled at (1764): [] __up_console_sem+0x5d/0x80 [ 46.256665] softirqs last enabled at (1714): [] handle_softirqs+0x50c/0x770 [ 46.258202] softirqs last disabled at (1709): [] __irq_exit_rcu+0xc4/0x100 [ 46.259735] ---[ end trace 0000000000000000 ]--- [ 49.893011] ------------[ cut here ]------------ [ 49.893941] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 49.895988] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/242 [ 49.897413] Modules linked in: [ 49.897983] CPU: 1 UID: 104 PID: 242 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 49.899926] Tainted: [W]=WARN [ 49.900499] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 49.901922] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 49.902884] 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 [ 49.906501] RSP: 0018:ffff88801ab0fbc0 EFLAGS: 00010286 [ 49.907593] RAX: 0000000000000000 RBX: ffffed1003561f78 RCX: ffffffff813a4050 [ 49.908875] RDX: ffff88801655b780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 49.910171] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1003561f2f [ 49.911469] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 49.912744] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801ab0fdf8 [ 49.914021] FS: 00007f792bb7e900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 49.915509] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 49.916554] CR2: 00007ffc22b54ef8 CR3: 000000000cdad000 CR4: 0000000000350ef0 [ 49.917838] Call Trace: [ 49.918344] [ 49.918754] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 49.919673] ? __create_object+0x59/0x80 [ 49.920457] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 49.921413] __vmalloc_noprof+0x59/0x60 [ 49.922180] bpf_prog_alloc_no_stats+0x55/0x470 [ 49.922998] ? __pfx_seccomp_check_filter+0x10/0x10 [ 49.923929] bpf_prog_alloc+0x39/0x200 [ 49.924654] ? __pfx_seccomp_check_filter+0x10/0x10 [ 49.925575] bpf_prog_create_from_user+0xb2/0x2f0 [ 49.926476] do_seccomp+0x349/0x25e0 [ 49.927193] ? find_held_lock+0x2b/0x80 [ 49.927926] ? do_prlimit+0x310/0x610 [ 49.928660] ? __pfx_do_seccomp+0x10/0x10 [ 49.929438] ? do_raw_spin_unlock+0x53/0x220 [ 49.930268] ? _raw_spin_unlock+0x1e/0x40 [ 49.931003] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 49.931970] ? static_key_count+0x60/0x80 [ 49.932753] prctl_set_seccomp+0x4e/0x70 [ 49.933539] __do_sys_prctl+0xe6c/0x1d70 [ 49.934305] ? __pfx___do_sys_prctl+0x10/0x10 [ 49.935155] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 49.936117] ? irqentry_exit+0xf3/0x650 [ 49.936834] do_syscall_64+0xbf/0x430 [ 49.937575] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 49.938522] RIP: 0033:0x7f792c0705cd [ 49.939213] 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 [ 49.942350] RSP: 002b:00007ffc22b530b0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 49.943725] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f792c0705cd [ 49.945013] RDX: 000056412118ee00 RSI: 0000000000000002 RDI: 0000000000000016 [ 49.946298] RBP: 00007ffc22b53110 R08: 0000000000000000 R09: 00007ffc22b527b0 [ 49.947614] R10: 0000000000000000 R11: 0000000000000246 R12: 00005641484b32b0 [ 49.948911] R13: 00007ffc22b53540 R14: 00005641484b5d20 R15: 00005641484c78d0 [ 49.950214] [ 49.950641] irq event stamp: 1799 [ 49.951287] hardirqs last enabled at (1809): [] __up_console_sem+0x78/0x80 [ 49.952806] hardirqs last disabled at (1818): [] __up_console_sem+0x5d/0x80 [ 49.954313] softirqs last enabled at (1480): [] handle_softirqs+0x50c/0x770 [ 49.955847] softirqs last disabled at (1475): [] __irq_exit_rcu+0xc4/0x100 [ 49.957203] ---[ end trace 0000000000000000 ]--- [ 50.767618] ------------[ cut here ]------------ [ 50.768551] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 50.770613] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/249 [ 50.772080] Modules linked in: [ 50.772680] CPU: 1 UID: 104 PID: 249 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 50.774920] Tainted: [W]=WARN [ 50.775601] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 50.777089] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 50.777960] 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 [ 50.781173] RSP: 0018:ffff88801a9ffbc0 EFLAGS: 00010286 [ 50.782138] RAX: 0000000000000000 RBX: ffffed100353ff78 RCX: ffffffff813a4050 [ 50.783422] RDX: ffff88801abf9bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 50.784730] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed100353ff2f [ 50.786008] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 50.787313] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801a9ffdf8 [ 50.788621] FS: 00007f5e894f5900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 50.790078] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.791143] CR2: 00007f5e899e7580 CR3: 000000000e6a8000 CR4: 0000000000350ef0 [ 50.792449] Call Trace: [ 50.792926] [ 50.793385] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 50.794293] ? __create_object+0x59/0x80 [ 50.795099] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 50.796089] __vmalloc_noprof+0x59/0x60 [ 50.796827] bpf_prog_alloc_no_stats+0x55/0x470 [ 50.797703] ? __pfx_seccomp_check_filter+0x10/0x10 [ 50.798648] bpf_prog_alloc+0x39/0x200 [ 50.799393] ? __pfx_seccomp_check_filter+0x10/0x10 [ 50.800352] bpf_prog_create_from_user+0xb2/0x2f0 [ 50.801257] do_seccomp+0x349/0x25e0 [ 50.801935] ? __pfx_css_rstat_updated+0x10/0x10 [ 50.802836] ? __pfx_do_seccomp+0x10/0x10 [ 50.803622] ? find_held_lock+0x2b/0x80 [ 50.804381] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 50.805349] ? static_key_count+0x60/0x80 [ 50.806151] prctl_set_seccomp+0x4e/0x70 [ 50.806910] __do_sys_prctl+0xe6c/0x1d70 [ 50.807719] ? __pfx___do_sys_prctl+0x10/0x10 [ 50.808600] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 50.809592] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 50.810589] ? irqentry_exit+0xf3/0x650 [ 50.811368] do_syscall_64+0xbf/0x430 [ 50.812117] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 50.813088] RIP: 0033:0x7f5e899e75cd [ 50.813755] 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 [ 50.817004] RSP: 002b:00007fffb5e68c10 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 50.818401] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f5e899e75cd [ 50.819717] RDX: 000055aab37eee00 RSI: 0000000000000002 RDI: 0000000000000016 [ 50.821006] RBP: 00007fffb5e68c70 R08: 0000000000000000 R09: 00007fffb5e68310 [ 50.822315] R10: 0000000000000000 R11: 0000000000000246 R12: 000055aad77b5ad0 [ 50.823625] R13: 00007fffb5e690a0 R14: 000055aad77b6bc0 R15: 000055aad77c7780 [ 50.824942] [ 50.825408] irq event stamp: 1775 [ 50.826031] hardirqs last enabled at (1783): [] __up_console_sem+0x78/0x80 [ 50.827618] hardirqs last disabled at (1794): [] __up_console_sem+0x5d/0x80 [ 50.829160] softirqs last enabled at (1626): [] handle_softirqs+0x50c/0x770 [ 50.830713] softirqs last disabled at (1621): [] __irq_exit_rcu+0xc4/0x100 [ 50.832251] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:48538' (ECDSA) to the list of known hosts. 2025/11/19 07:41:01 fuzzer started 2025/11/19 07:41:01 dialing manager at localhost:34383 2025/11/19 07:41:01 checking machine... 2025/11/19 07:41:01 checking revisions... [ 51.711923] kmemleak: Automatic memory scanning thread ended 2025/11/19 07:41:01 testing simple program... [ 51.799125] cgroup: Unknown subsys name 'net' [ 51.860583] cgroup: Unknown subsys name 'cpuset' [ 51.872939] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program VM DIAGNOSIS: 07:41:00 Registers: info registers vcpu 0 RAX=89038adb7ce27a00 RBX=ffff888009627958 RCX=ffffffff86a49dcc RDX=0000000000000000 RSI=ffffffff8135e7a2 RDI=ffffffff85e1ffe0 RBP=ffffffff85e1ffe0 RSP=ffff888009627768 R8 =ffffffff86a49dd0 R9 =ffff888009627860 R10=000000000003c9ed R11=0000000000012f5f R12=ffffffff8135e7a2 R13=ffff888009627868 R14=ffff888009627958 R15=ffff888009627820 RIP=ffffffff81528ee4 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 0000000000000000 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe6d00000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f792c135618 CR3=000000000bf13000 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=2030303a31343a373020393120766f4e XMM01=657463656e6e6f63736944203a5d3134 XMM02=302e303120746f6f722072657375206d XMM03=203a5d3134325b646873732072656c6c XMM04=69662068637573206f4e203a656c6163 XMM05=3a656c696620766e65206e65706f206f XMM06=65733a6468737328766e655f6d617020 XMM07=6b7a79732030303a31343a3730203931 XMM08=30343d7974696c696261706163202279 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=00005641484b0b2e RBX=00005641484b0b20 RCX=0000000000000030 RDX=0000000000000001 RSI=00007f792c0e43c0 RDI=00005641484b0b20 RBP=0000000000000010 RSP=00007ffc22b52a20 R8 =00005641484dca10 R9 =00007f792c130be0 R10=0000000000000100 R11=0000000000000246 R12=00005641484cdf80 R13=00007ffc22b52a28 R14=00007f792bb59b22 R15=00007f792bb7e710 RIP=00007f792c6ab424 RFL=00000246 [---Z-P-] CPL=3 II=0 A20=1 SMM=0 HLT=0 ES =0000 0000000000000000 00000000 00000000 CS =0033 0000000000000000 ffffffff 00a0fb00 DPL=3 CS64 [-RA] SS =002b 0000000000000000 ffffffff 00c0f300 DPL=3 DS [-WA] DS =0000 0000000000000000 00000000 00000000 FS =0000 00007f792bb7e900 00000000 00000000 GS =0000 0000000000000000 00000000 00000000 LDT=0000 fffffe2f00000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007ffc22b4d000 CR3=000000000bf13000 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=23232323232323232323232323232323 XMM01=00000053000002a03b031b01003d0920 XMM02=ff000000000000000000000000000000 XMM03=003009535941445f4e494d5f53534150 XMM04=40404040404040404040404040404040 XMM05=5a5a5a5a5a5a5a5a5a5a5a5a5a5a5a5a XMM06=20202020202020202020202020202020 XMM07=000000ffffffffffffffffffffffffff XMM08=003009535941445f4e494d5f53534150 XMM09=00000000000000000000000000000000 XMM10=00002020202020200020202020202020 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000