syzkaller login: [ 39.027874] ------------[ cut here ]------------ [ 39.028780] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 39.030817] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/233 [ 39.032257] Modules linked in: [ 39.032860] CPU: 1 UID: 104 PID: 233 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 39.034934] Tainted: [W]=WARN [ 39.035486] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 39.036996] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 39.037858] 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 [ 39.041042] RSP: 0018:ffff888017c1fbc0 EFLAGS: 00010286 [ 39.042038] RAX: 0000000000000000 RBX: ffffed1002f83f78 RCX: ffffffff813a4050 [ 39.043323] RDX: ffff888016c91bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 39.044600] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002f83f2f [ 39.045886] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 39.047192] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888017c1fdf8 [ 39.048479] FS: 00007f558b407900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 39.049924] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 39.051028] CR2: 00007ffd605bdef7 CR3: 000000000e493000 CR4: 0000000000350ef0 [ 39.052309] Call Trace: [ 39.052769] [ 39.053214] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 39.054125] ? __create_object+0x59/0x80 [ 39.054866] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.055830] __vmalloc_noprof+0x59/0x60 [ 39.056589] bpf_prog_alloc_no_stats+0x55/0x470 [ 39.057470] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.058416] bpf_prog_alloc+0x39/0x200 [ 39.059159] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.060089] bpf_prog_create_from_user+0xb2/0x2f0 [ 39.060997] do_seccomp+0x349/0x25e0 [ 39.061673] ? find_held_lock+0x2b/0x80 [ 39.062447] ? do_prlimit+0x310/0x610 [ 39.063180] ? __pfx_do_seccomp+0x10/0x10 [ 39.063978] ? do_raw_spin_unlock+0x53/0x220 [ 39.064763] ? _raw_spin_unlock+0x1e/0x40 [ 39.065541] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 39.066511] ? static_key_count+0x60/0x80 [ 39.067329] prctl_set_seccomp+0x4e/0x70 [ 39.068110] __do_sys_prctl+0xe6c/0x1d70 [ 39.068840] ? __pfx___do_sys_prctl+0x10/0x10 [ 39.069703] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 39.070688] ? irqentry_exit+0xf3/0x650 [ 39.071469] do_syscall_64+0xbf/0x430 [ 39.072207] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 39.073159] RIP: 0033:0x7f558b8f95cd [ 39.073819] 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 [ 39.077007] RSP: 002b:00007ffd605bc060 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 39.078375] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f558b8f95cd [ 39.079667] RDX: 000055faa251ae00 RSI: 0000000000000002 RDI: 0000000000000016 [ 39.080945] RBP: 00007ffd605bc0c0 R08: 0000000000000000 R09: 00007ffd605bb760 [ 39.082244] R10: 0000000000000000 R11: 0000000000000246 R12: 000055fab2430240 [ 39.083531] R13: 00007ffd605bc4f0 R14: 000055fab242fbf0 R15: 000055fab24444d0 [ 39.084827] [ 39.085298] irq event stamp: 1741 [ 39.085942] hardirqs last enabled at (1751): [] __up_console_sem+0x78/0x80 [ 39.087479] hardirqs last disabled at (1760): [] __up_console_sem+0x5d/0x80 [ 39.089010] softirqs last enabled at (1278): [] handle_softirqs+0x50c/0x770 [ 39.090565] softirqs last disabled at (1265): [] __irq_exit_rcu+0xc4/0x100 [ 39.092102] ---[ end trace 0000000000000000 ]--- [ 42.095446] ------------[ cut here ]------------ [ 42.096265] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.097985] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/243 [ 42.099192] Modules linked in: [ 42.099683] CPU: 1 UID: 104 PID: 243 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 42.101524] Tainted: [W]=WARN [ 42.102273] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.103969] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.104696] 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 [ 42.107352] RSP: 0018:ffff88800e2f7bc0 EFLAGS: 00010286 [ 42.108172] RAX: 0000000000000000 RBX: ffffed1001c5ef78 RCX: ffffffff813a4050 [ 42.109238] RDX: ffff888016f38000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.110314] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1001c5ef2f [ 42.111384] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.112449] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88800e2f7df8 [ 42.113515] FS: 00007f567cbe2900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 42.114729] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.115603] CR2: 00007f567d0d4580 CR3: 000000001d0b0000 CR4: 0000000000350ef0 [ 42.116664] Call Trace: [ 42.117091] [ 42.117433] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.118186] ? __create_object+0x59/0x80 [ 42.118795] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.119614] __vmalloc_noprof+0x59/0x60 [ 42.120254] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.120980] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.121715] bpf_prog_alloc+0x39/0x200 [ 42.122338] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.123109] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.123827] do_seccomp+0x349/0x25e0 [ 42.124425] ? __pfx_css_rstat_updated+0x10/0x10 [ 42.125176] ? __pfx_do_seccomp+0x10/0x10 [ 42.125792] ? find_held_lock+0x2b/0x80 [ 42.126431] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.127240] ? static_key_count+0x60/0x80 [ 42.127871] prctl_set_seccomp+0x4e/0x70 [ 42.128513] __do_sys_prctl+0xe6c/0x1d70 [ 42.129163] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.129833] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.130641] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.131443] ? irqentry_exit+0xf3/0x650 [ 42.132087] do_syscall_64+0xbf/0x430 [ 42.132687] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.133500] RIP: 0033:0x7f567d0d45cd [ 42.134112] 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 [ 42.136789] RSP: 002b:00007ffcdb2715d0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.137933] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f567d0d45cd [ 42.139019] RDX: 0000563c00adfe00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.140133] RBP: 00007ffcdb271630 R08: 0000000000000000 R09: 00007ffcdb270cd0 [ 42.141220] R10: 0000000000000000 R11: 0000000000000246 R12: 0000563c0e1e1bf0 [ 42.142320] R13: 00007ffcdb271a60 R14: 0000563c0e1eb380 R15: 0000563c0e1f6460 [ 42.143426] [ 42.143780] irq event stamp: 1973 [ 42.144334] hardirqs last enabled at (1983): [] __up_console_sem+0x78/0x80 [ 42.145627] hardirqs last disabled at (1992): [] __up_console_sem+0x5d/0x80 [ 42.146922] softirqs last enabled at (1932): [] handle_softirqs+0x50c/0x770 [ 42.148237] softirqs last disabled at (1923): [] __irq_exit_rcu+0xc4/0x100 [ 42.149546] ---[ end trace 0000000000000000 ]--- [ 42.885454] ------------[ cut here ]------------ [ 42.886373] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.888396] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/250 [ 42.889934] Modules linked in: [ 42.890528] CPU: 0 UID: 104 PID: 250 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 42.892483] Tainted: [W]=WARN [ 42.893075] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.894550] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.895458] 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 [ 42.898584] RSP: 0018:ffff8880172c7bc0 EFLAGS: 00010286 [ 42.899549] RAX: 0000000000000000 RBX: ffffed1002e58f78 RCX: ffffffff813a4050 [ 42.900803] RDX: ffff888016709bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.902073] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002e58f2f [ 42.903326] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.904593] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff8880172c7df8 [ 42.905872] FS: 00007f36887a3900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 42.907317] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.908366] CR2: 00007f3688c95580 CR3: 000000001fa54000 CR4: 0000000000350ef0 [ 42.909629] Call Trace: [ 42.910150] [ 42.910559] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.911438] ? __create_object+0x59/0x80 [ 42.912204] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.913168] __vmalloc_noprof+0x59/0x60 [ 42.913874] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.914751] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.915670] bpf_prog_alloc+0x39/0x200 [ 42.916396] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.917317] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.918231] do_seccomp+0x349/0x25e0 [ 42.918949] ? __pfx_css_rstat_updated+0x10/0x10 [ 42.919792] ? __pfx_do_seccomp+0x10/0x10 [ 42.920578] ? find_held_lock+0x2b/0x80 [ 42.921332] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.922306] ? static_key_count+0x60/0x80 [ 42.923089] prctl_set_seccomp+0x4e/0x70 [ 42.923817] __do_sys_prctl+0xe6c/0x1d70 [ 42.924594] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.925453] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.926420] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.927375] ? irqentry_exit+0xf3/0x650 [ 42.928118] do_syscall_64+0xbf/0x430 [ 42.928805] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.929745] RIP: 0033:0x7f3688c955cd [ 42.930451] 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 [ 42.933573] RSP: 002b:00007ffcd1356470 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.934933] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f3688c955cd [ 42.936207] RDX: 000055811277ce00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.937489] RBP: 00007ffcd13564d0 R08: 0000000000000000 R09: 00007ffcd1355b70 [ 42.938769] R10: 0000000000000000 R11: 0000000000000246 R12: 000055811405e2b0 [ 42.940021] R13: 00007ffcd1356900 R14: 0000558114060d20 R15: 00005581140728d0 [ 42.941301] [ 42.941718] irq event stamp: 1769 [ 42.942376] hardirqs last enabled at (1779): [] __up_console_sem+0x78/0x80 [ 42.943872] hardirqs last disabled at (1788): [] __up_console_sem+0x5d/0x80 [ 42.945400] softirqs last enabled at (1314): [] handle_softirqs+0x50c/0x770 [ 42.946935] softirqs last disabled at (1309): [] __irq_exit_rcu+0xc4/0x100 [ 42.948420] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:14123' (ECDSA) to the list of known hosts. 2025/11/18 00:04:24 fuzzer started 2025/11/18 00:04:25 dialing manager at localhost:37895 2025/11/18 00:04:25 checking machine... 2025/11/18 00:04:25 checking revisions... [ 43.824260] kmemleak: Automatic memory scanning thread ended 2025/11/18 00:04:25 testing simple program... [ 43.909103] cgroup: Unknown subsys name 'net' [ 43.971788] cgroup: Unknown subsys name 'cpuset' [ 43.984052] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program VM DIAGNOSIS: 00:04:24 Registers: info registers vcpu 0 RAX=0000000080000000 RBX=0000000000000004 RCX=ffffffff84bfbade RDX=ffff888014cb1bc0 RSI=0000000000000002 RDI=0000000000000006 RBP=ffff88801d018800 RSP=ffff888014d77740 R8 =0000000000000000 R9 =ffffed1001b6f46c R10=0000000000000004 R11=0000000000000001 R12=0000000000000005 R13=0000000000000002 R14=dffffc0000000000 R15=ffff888014d77bc0 RIP=ffffffff817515d7 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 00007f567cbe2900 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe4000000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f567cbb1008 CR3=000000001f99c000 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=000000000001a263 RBX=0000000000000001 RCX=ffffffff84c72d57 RDX=0000000000000000 RSI=0000000000000000 RDI=ffffffff814d2c90 RBP=dffffc0000000000 RSP=ffff8880096efe58 R8 =0000000000000001 R9 =ffffed100d9e639a R10=ffff88806cf31cd3 R11=0000000000000001 R12=ffffffff8664f650 R13=1ffff110012ddfd2 R14=0000000000000000 R15=0000000000000000 RIP=ffffffff84c7174e RFL=00000206 [-----P-] 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 fffffe6d00000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007fa3034b4048 CR3=000000000db04000 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=0a62e829c92259a8414b0f68fd8c3fe4 XMM02=0000000000304ab0eff9b2d0a8fce9cb XMM03=0000000000304b802c67c8bc2e329bc3 XMM04=e4bf27fb258f49ce00000000000ae988 XMM05=529ef7967f848b0c0000000000322048 XMM06=817b8945e9d5037300000000003210e8 XMM07=e042d86d42eb936e0000000000310bc8 XMM08=489407d81dd2f2170000000000304b80 XMM09=00000000000000000000000000000000 XMM10=20200000000020202020202020200000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000