syzkaller login: [ 45.991468] ------------[ cut here ]------------ [ 45.992412] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 45.994493] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/236 [ 45.995992] Modules linked in: [ 45.996637] CPU: 0 UID: 104 PID: 236 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 45.998666] Tainted: [W]=WARN [ 45.999236] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 46.000763] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 46.001711] 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 [ 46.005002] RSP: 0018:ffff88800f497bc0 EFLAGS: 00010286 [ 46.006003] RAX: 0000000000000000 RBX: ffffed1001e92f78 RCX: ffffffff813a4050 [ 46.007345] RDX: ffff88800d1ad340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 46.008686] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1001e92f2f [ 46.010010] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 46.011341] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88800f497df8 [ 46.012676] FS: 00007fd0d5985900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 46.014156] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 46.015248] CR2: 00007fd0d5e77580 CR3: 000000000bbd7000 CR4: 0000000000350ef0 [ 46.016589] Call Trace: [ 46.017063] [ 46.017520] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 46.018446] ? __create_object+0x59/0x80 [ 46.019205] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 46.020213] __vmalloc_noprof+0x59/0x60 [ 46.020999] bpf_prog_alloc_no_stats+0x55/0x470 [ 46.021900] ? __pfx_seccomp_check_filter+0x10/0x10 [ 46.022867] bpf_prog_alloc+0x39/0x200 [ 46.023631] ? __pfx_seccomp_check_filter+0x10/0x10 [ 46.024600] bpf_prog_create_from_user+0xb2/0x2f0 [ 46.025530] do_seccomp+0x349/0x25e0 [ 46.026226] ? __pfx_css_rstat_updated+0x10/0x10 [ 46.027157] ? __pfx_do_seccomp+0x10/0x10 [ 46.027982] ? find_held_lock+0x2b/0x80 [ 46.028761] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 46.029761] ? static_key_count+0x60/0x80 [ 46.030598] prctl_set_seccomp+0x4e/0x70 [ 46.031399] __do_sys_prctl+0xe6c/0x1d70 [ 46.032175] ? __pfx___do_sys_prctl+0x10/0x10 [ 46.033063] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 46.034059] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 46.035063] ? irqentry_exit+0xf3/0x650 [ 46.035858] do_syscall_64+0xbf/0x430 [ 46.036649] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 46.037641] RIP: 0033:0x7fd0d5e775cd [ 46.038367] 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 [ 46.041665] RSP: 002b:00007ffd46660570 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 46.043071] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fd0d5e775cd [ 46.044413] RDX: 000055e0b1398e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 46.045735] RBP: 00007ffd466605d0 R08: 0000000000000000 R09: 00007ffd4665fc70 [ 46.047065] R10: 0000000000000000 R11: 0000000000000246 R12: 000055e0cbd9bad0 [ 46.048383] R13: 00007ffd46660a00 R14: 000055e0cbd9cbc0 R15: 000055e0cbdad780 [ 46.049707] [ 46.050128] irq event stamp: 1749 [ 46.050772] hardirqs last enabled at (1759): [] __up_console_sem+0x78/0x80 [ 46.052289] hardirqs last disabled at (1768): [] __up_console_sem+0x5d/0x80 [ 46.053677] softirqs last enabled at (1642): [] handle_softirqs+0x50c/0x770 [ 46.054970] softirqs last disabled at (1637): [] __irq_exit_rcu+0xc4/0x100 [ 46.056257] ---[ end trace 0000000000000000 ]--- [ 49.042146] ------------[ cut here ]------------ [ 49.042618] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 49.043624] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/244 [ 49.044357] Modules linked in: [ 49.044658] CPU: 0 UID: 104 PID: 244 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 49.045643] Tainted: [W]=WARN [ 49.045920] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 49.046652] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 49.047091] 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 [ 49.048702] RSP: 0018:ffff888016f5fbc0 EFLAGS: 00010286 [ 49.049161] RAX: 0000000000000000 RBX: ffffed1002debf78 RCX: ffffffff813a4050 [ 49.049810] RDX: ffff88800dff3780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 49.050443] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002debf2f [ 49.051058] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000400dc0 [ 49.051707] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888016f5fdf8 [ 49.052352] FS: 00007f3380b6a900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 49.053040] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 49.053570] CR2: 00007fff20d5fef7 CR3: 00000000203d8000 CR4: 0000000000350ef0 [ 49.054180] Call Trace: [ 49.054432] [ 49.054638] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 49.055068] ? __create_object+0x59/0x80 [ 49.055459] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 49.055904] __vmalloc_noprof+0x59/0x60 [ 49.056257] bpf_prog_alloc_no_stats+0x55/0x470 [ 49.056690] ? __pfx_seccomp_check_filter+0x10/0x10 [ 49.057132] bpf_prog_alloc+0x39/0x200 [ 49.057490] ? __pfx_seccomp_check_filter+0x10/0x10 [ 49.057923] bpf_prog_create_from_user+0xb2/0x2f0 [ 49.058372] do_seccomp+0x349/0x25e0 [ 49.058705] ? find_held_lock+0x2b/0x80 [ 49.059056] ? do_prlimit+0x310/0x610 [ 49.059430] ? __pfx_do_seccomp+0x10/0x10 [ 49.059791] ? do_raw_spin_unlock+0x53/0x220 [ 49.060184] ? _raw_spin_unlock+0x1e/0x40 [ 49.060568] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 49.061024] ? static_key_count+0x60/0x80 [ 49.061422] prctl_set_seccomp+0x4e/0x70 [ 49.061786] __do_sys_prctl+0xe6c/0x1d70 [ 49.062151] ? __pfx___do_sys_prctl+0x10/0x10 [ 49.062572] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 49.063022] ? irqentry_exit+0xf3/0x650 [ 49.063397] do_syscall_64+0xbf/0x430 [ 49.063749] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 49.064202] RIP: 0033:0x7f338105c5cd [ 49.064551] 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 [ 49.066122] RSP: 002b:00007fff20d5e990 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 49.066807] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f338105c5cd [ 49.067446] RDX: 00005604b2b02e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 49.068074] RBP: 00007fff20d5e9f0 R08: 0000000000000000 R09: 00007fff20d5e090 [ 49.068708] R10: 0000000000000000 R11: 0000000000000246 R12: 00005604ca185b10 [ 49.069345] R13: 00007fff20d5ee20 R14: 00005604ca1862b0 R15: 00005604ca19a6f0 [ 49.069966] [ 49.070170] irq event stamp: 1675 [ 49.070495] hardirqs last enabled at (1685): [] __up_console_sem+0x78/0x80 [ 49.071221] hardirqs last disabled at (1692): [] __up_console_sem+0x5d/0x80 [ 49.071988] softirqs last enabled at (1206): [] handle_softirqs+0x50c/0x770 [ 49.072750] softirqs last disabled at (1197): [] __irq_exit_rcu+0xc4/0x100 [ 49.073497] ---[ end trace 0000000000000000 ]--- [ 49.694107] ------------[ cut here ]------------ [ 49.695055] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 49.697112] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/251 [ 49.698877] Modules linked in: [ 49.699741] CPU: 1 UID: 104 PID: 251 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 49.701815] Tainted: [W]=WARN [ 49.702414] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 49.703887] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 49.704813] 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 [ 49.707977] RSP: 0018:ffff88800d1b7bc0 EFLAGS: 00010286 [ 49.708952] RAX: 0000000000000000 RBX: ffffed1001a36f78 RCX: ffffffff813a4050 [ 49.710227] RDX: ffff888009883780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 49.711504] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1001a36f2f [ 49.712789] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 49.714059] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88800d1b7df8 [ 49.715340] FS: 00007f1633ed2900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 49.716786] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 49.717837] CR2: 00007f16343c4580 CR3: 0000000020864000 CR4: 0000000000350ef0 [ 49.719115] Call Trace: [ 49.719608] [ 49.720032] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 49.720931] ? __create_object+0x59/0x80 [ 49.721723] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 49.722676] __vmalloc_noprof+0x59/0x60 [ 49.723441] bpf_prog_alloc_no_stats+0x55/0x470 [ 49.724271] ? __pfx_seccomp_check_filter+0x10/0x10 [ 49.725195] bpf_prog_alloc+0x39/0x200 [ 49.725923] ? __pfx_seccomp_check_filter+0x10/0x10 [ 49.726844] bpf_prog_create_from_user+0xb2/0x2f0 [ 49.727740] do_seccomp+0x349/0x25e0 [ 49.728491] ? __pfx_css_rstat_updated+0x10/0x10 [ 49.729394] ? __pfx_do_seccomp+0x10/0x10 [ 49.730131] ? find_held_lock+0x2b/0x80 [ 49.730893] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 49.731859] ? static_key_count+0x60/0x80 [ 49.732684] prctl_set_seccomp+0x4e/0x70 [ 49.733458] __do_sys_prctl+0xe6c/0x1d70 [ 49.734212] ? __pfx___do_sys_prctl+0x10/0x10 [ 49.735050] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 49.736019] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 49.736968] ? irqentry_exit+0xf3/0x650 [ 49.737736] do_syscall_64+0xbf/0x430 [ 49.738471] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 49.739426] RIP: 0033:0x7f16343c45cd [ 49.740096] 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 [ 49.743214] RSP: 002b:00007fff19a3c8d0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 49.744559] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f16343c45cd [ 49.745809] RDX: 0000558cc094ae00 RSI: 0000000000000002 RDI: 0000000000000016 [ 49.747058] RBP: 00007fff19a3c930 R08: 0000000000000000 R09: 00007fff19a3bfd0 [ 49.748340] R10: 0000000000000000 R11: 0000000000000246 R12: 0000558ced7a7b10 [ 49.749588] R13: 00007fff19a3cd60 R14: 0000558ced7a82b0 R15: 0000558ced7bc6f0 [ 49.750863] [ 49.751287] irq event stamp: 1781 [ 49.751917] hardirqs last enabled at (1791): [] __up_console_sem+0x78/0x80 [ 49.753420] hardirqs last disabled at (1800): [] __up_console_sem+0x5d/0x80 [ 49.754922] softirqs last enabled at (1348): [] handle_softirqs+0x50c/0x770 [ 49.756442] softirqs last disabled at (1343): [] __irq_exit_rcu+0xc4/0x100 [ 49.757740] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:44302' (ECDSA) to the list of known hosts. 2025/11/18 03:24:40 fuzzer started 2025/11/18 03:24:40 dialing manager at localhost:37895 2025/11/18 03:24:40 checking machine... 2025/11/18 03:24:40 checking revisions... [ 50.663288] kmemleak: Automatic memory scanning thread ended 2025/11/18 03:24:41 testing simple program... [ 50.760579] cgroup: Unknown subsys name 'net' [ 50.816068] cgroup: Unknown subsys name 'cpuset' [ 50.829652] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program VM DIAGNOSIS: 03:24:40 Registers: info registers vcpu 0 RAX=0000000000000046 RBX=ffff888017473000 RCX=0000000000000001 RDX=0000000000000000 RSI=ffffffff81ce9759 RDI=ffffffff84c97e42 RBP=ffff888017473140 RSP=ffff88801569fb78 R8 =0000000000000001 R9 =ffffed1002e56a5c R10=0000000000000000 R11=0000000000000001 R12=ffff88801569fc68 R13=ffff88801569fc68 R14=0000000000000000 R15=ffff88801569fc68 RIP=ffffffff84c71d78 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 00007fcdad396900 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe5800000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00005604ca1ad748 CR3=000000000c9ba000 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=6b9489d7b0d31da2c44a471577c610e0 XMM02=2c67c8bc2e329bc30000000000305320 XMM03=fb795ef6d65770560000000000310fb0 XMM04=a8e958efc8f80b2f00000000000ae988 XMM05=93f85b9c66e7594c00000000003224b8 XMM06=817b8945e9d503730000000000320df0 XMM07=e042d86d42eb936e0000000000312100 XMM08=3332f9e1d1af5d930000000000305380 XMM09=00000000000000000000000000000000 XMM10=20200000000020202020202020200000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=0000000000000001 RBX=ffff888016821bc0 RCX=4b952e4da9267483 RDX=00000000915d54c6 RSI=000000005e406224 RDI=0000000000104185 RBP=ffff888016822618 RSP=ffff88801753f790 R8 =0000000000000001 R9 =0000000000000000 R10=0000000000000001 R11=0000000000000001 R12=ffff888016822618 R13=00000000ef9db6ea R14=0000000000000000 R15=4b952e4da9267483 RIP=ffffffff81527633 RFL=00000097 [--S-APC] 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 00007f1d2bbf3900 00000000 00000000 GS =0000 ffff8880e548f000 00000000 00000000 LDT=0000 fffffe7c00000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007fff20d58000 CR3=000000000da48000 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=ffffffffffff00000000000000000000 XMM02=ffffffffffff00000000000000000000 XMM03=00000000000000000000000000000000 XMM04=00000000000000000000000000000000 XMM05=00000000000000000000000000000000 XMM06=00000000000000000000000000000000 XMM07=00000000000000000000000000000000 XMM08=00000000000073707574726174732064 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000