syzkaller login: [ 38.969841] ------------[ cut here ]------------ [ 38.970764] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 38.972801] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/232 [ 38.974264] Modules linked in: [ 38.975024] CPU: 0 UID: 104 PID: 232 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 38.976763] Tainted: [W]=WARN [ 38.977253] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 38.978531] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 38.979317] 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 [ 38.982871] RSP: 0018:ffff8880161b7bc0 EFLAGS: 00010286 [ 38.983955] RAX: 0000000000000000 RBX: ffffed1002c36f78 RCX: ffffffff813a4050 [ 38.985268] RDX: ffff888015f49bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 38.986588] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002c36f2f [ 38.987896] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 38.989199] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff8880161b7df8 [ 38.990518] FS: 00007f1fe21a4900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 38.991985] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 38.993062] CR2: 00007f1fe2696580 CR3: 000000000e38b000 CR4: 0000000000350ef0 [ 38.994370] Call Trace: [ 38.994897] [ 38.995316] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 38.996231] ? __create_object+0x59/0x80 [ 38.997032] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 38.998022] __vmalloc_noprof+0x59/0x60 [ 38.998806] bpf_prog_alloc_no_stats+0x55/0x470 [ 38.999704] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.000656] bpf_prog_alloc+0x39/0x200 [ 39.001365] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.002309] bpf_prog_create_from_user+0xb2/0x2f0 [ 39.003246] do_seccomp+0x349/0x25e0 [ 39.003977] ? __pfx_css_rstat_updated+0x10/0x10 [ 39.004894] ? __pfx_do_seccomp+0x10/0x10 [ 39.005700] ? find_held_lock+0x2b/0x80 [ 39.006490] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 39.007431] ? static_key_count+0x60/0x80 [ 39.008255] prctl_set_seccomp+0x4e/0x70 [ 39.009045] __do_sys_prctl+0xe6c/0x1d70 [ 39.009836] ? __pfx___do_sys_prctl+0x10/0x10 [ 39.010722] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.011711] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 39.012709] ? irqentry_exit+0xf3/0x650 [ 39.013494] do_syscall_64+0xbf/0x430 [ 39.014205] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 39.015185] RIP: 0033:0x7f1fe26965cd [ 39.015896] 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 [ 39.019159] RSP: 002b:00007ffd0e201a90 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 39.020563] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f1fe26965cd [ 39.021868] RDX: 0000561a749ace00 RSI: 0000000000000002 RDI: 0000000000000016 [ 39.023187] RBP: 00007ffd0e201af0 R08: 0000000000000000 R09: 00007ffd0e201190 [ 39.024493] R10: 0000000000000000 R11: 0000000000000246 R12: 0000561a96202ad0 [ 39.025804] R13: 00007ffd0e201f20 R14: 0000561a96203bc0 R15: 0000561a96214780 [ 39.027148] [ 39.027612] irq event stamp: 1771 [ 39.028233] hardirqs last enabled at (1779): [] __up_console_sem+0x78/0x80 [ 39.029788] hardirqs last disabled at (1788): [] __up_console_sem+0x5d/0x80 [ 39.031353] softirqs last enabled at (1644): [] handle_softirqs+0x50c/0x770 [ 39.032928] softirqs last disabled at (1639): [] __irq_exit_rcu+0xc4/0x100 [ 39.034497] ---[ end trace 0000000000000000 ]--- [ 42.550334] ------------[ cut here ]------------ [ 42.551279] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.553307] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/240 [ 42.554753] Modules linked in: [ 42.555357] CPU: 0 UID: 104 PID: 240 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 42.557416] Tainted: [W]=WARN [ 42.558021] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.559523] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.560431] 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 [ 42.563666] RSP: 0018:ffff888019a0fbc0 EFLAGS: 00010286 [ 42.564657] RAX: 0000000000000000 RBX: ffffed1003341f78 RCX: ffffffff813a4050 [ 42.565930] RDX: ffff888009a85340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.567249] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1003341f2f [ 42.568550] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.569850] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888019a0fdf8 [ 42.571163] FS: 00007f5858f00900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 42.572606] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.573679] CR2: 00007ffc3007aef7 CR3: 000000000e16b000 CR4: 0000000000350ef0 [ 42.574982] Call Trace: [ 42.575482] [ 42.575892] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.576792] ? __create_object+0x59/0x80 [ 42.577583] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.578562] __vmalloc_noprof+0x59/0x60 [ 42.579291] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.580200] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.581134] bpf_prog_alloc+0x39/0x200 [ 42.581910] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.582925] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.583843] do_seccomp+0x349/0x25e0 [ 42.584584] ? find_held_lock+0x2b/0x80 [ 42.585296] ? do_prlimit+0x310/0x610 [ 42.586034] ? __pfx_do_seccomp+0x10/0x10 [ 42.586829] ? do_raw_spin_unlock+0x53/0x220 [ 42.587664] ? _raw_spin_unlock+0x1e/0x40 [ 42.588403] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.589370] ? static_key_count+0x60/0x80 [ 42.590174] prctl_set_seccomp+0x4e/0x70 [ 42.590948] __do_sys_prctl+0xe6c/0x1d70 [ 42.591740] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.592651] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.593638] ? irqentry_exit+0xf3/0x650 [ 42.594357] do_syscall_64+0xbf/0x430 [ 42.595100] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.596064] RIP: 0033:0x7f58593f25cd [ 42.596780] 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 [ 42.599991] RSP: 002b:00007ffc30078e60 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.601383] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f58593f25cd [ 42.602696] RDX: 000055ec76529e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.603996] RBP: 00007ffc30078ec0 R08: 0000000000000000 R09: 00007ffc30078560 [ 42.605306] R10: 0000000000000000 R11: 0000000000000246 R12: 000055ec7b32e2b0 [ 42.606622] R13: 00007ffc300792f0 R14: 000055ec7b330d20 R15: 000055ec7b3428d0 [ 42.607971] [ 42.608402] irq event stamp: 1711 [ 42.609064] hardirqs last enabled at (1721): [] __up_console_sem+0x78/0x80 [ 42.610614] hardirqs last disabled at (1730): [] __up_console_sem+0x5d/0x80 [ 42.612158] softirqs last enabled at (1680): [] handle_softirqs+0x50c/0x770 [ 42.613689] softirqs last disabled at (1675): [] __irq_exit_rcu+0xc4/0x100 [ 42.615236] ---[ end trace 0000000000000000 ]--- [ 43.630648] ------------[ cut here ]------------ [ 43.631582] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 43.633623] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/249 [ 43.635105] Modules linked in: [ 43.635745] CPU: 0 UID: 104 PID: 249 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 43.637734] Tainted: [W]=WARN [ 43.638292] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 43.639794] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 43.640723] 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 [ 43.643930] RSP: 0018:ffff88801701fbc0 EFLAGS: 00010286 [ 43.644920] RAX: 0000000000000000 RBX: ffffed1002e03f78 RCX: ffffffff813a4050 [ 43.646215] RDX: ffff888019b61bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 43.647526] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002e03f2f [ 43.648825] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000400dc0 [ 43.650115] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801701fdf8 [ 43.651421] FS: 00007f5a2a4f1900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 43.652907] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 43.653976] CR2: 00007f5a2a9e3580 CR3: 0000000014364000 CR4: 0000000000350ef0 [ 43.655294] Call Trace: [ 43.655805] [ 43.656223] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 43.657131] ? __create_object+0x59/0x80 [ 43.657933] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 43.658932] __vmalloc_noprof+0x59/0x60 [ 43.659703] bpf_prog_alloc_no_stats+0x55/0x470 [ 43.660597] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.661538] bpf_prog_alloc+0x39/0x200 [ 43.662237] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.663187] bpf_prog_create_from_user+0xb2/0x2f0 [ 43.664110] do_seccomp+0x349/0x25e0 [ 43.664844] ? __pfx_css_rstat_updated+0x10/0x10 [ 43.665757] ? __pfx_do_seccomp+0x10/0x10 [ 43.666583] ? find_held_lock+0x2b/0x80 [ 43.667311] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 43.668285] ? static_key_count+0x60/0x80 [ 43.669094] prctl_set_seccomp+0x4e/0x70 [ 43.669877] __do_sys_prctl+0xe6c/0x1d70 [ 43.670681] ? __pfx___do_sys_prctl+0x10/0x10 [ 43.671546] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 43.672530] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 43.673507] ? irqentry_exit+0xf3/0x650 [ 43.674241] do_syscall_64+0xbf/0x430 [ 43.675003] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 43.675964] RIP: 0033:0x7f5a2a9e35cd [ 43.676681] 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 [ 43.679902] RSP: 002b:00007ffd5b774100 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 43.681281] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f5a2a9e35cd [ 43.682607] RDX: 000055624b05ee00 RSI: 0000000000000002 RDI: 0000000000000016 [ 43.683906] RBP: 00007ffd5b774160 R08: 0000000000000000 R09: 00007ffd5b773800 [ 43.685206] R10: 0000000000000000 R11: 0000000000000246 R12: 0000556273bfa2b0 [ 43.686520] R13: 00007ffd5b774590 R14: 0000556273bfcd20 R15: 0000556273c0e8d0 [ 43.687833] [ 43.688260] irq event stamp: 1799 [ 43.688920] hardirqs last enabled at (1809): [] __up_console_sem+0x78/0x80 [ 43.690466] hardirqs last disabled at (1818): [] __up_console_sem+0x5d/0x80 [ 43.692019] softirqs last enabled at (1722): [] handle_softirqs+0x50c/0x770 [ 43.693585] softirqs last disabled at (1717): [] __irq_exit_rcu+0xc4/0x100 [ 43.695127] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:18635' (ECDSA) to the list of known hosts. 2025/11/18 03:03:45 fuzzer started 2025/11/18 03:03:45 dialing manager at localhost:37895 2025/11/18 03:03:46 checking machine... 2025/11/18 03:03:46 checking revisions... [ 44.570306] kmemleak: Automatic memory scanning thread ended 2025/11/18 03:03:46 testing simple program... [ 44.650918] cgroup: Unknown subsys name 'net' [ 44.706905] cgroup: Unknown subsys name 'cpuset' [ 44.719093] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program VM DIAGNOSIS: 03:03:45 Registers: info registers vcpu 0 RAX=0000000000000000 RBX=ffff88800ef7d340 RCX=4b952e4da9267483 RDX=00000000915d54c6 RSI=000000005e406224 RDI=0000000000104185 RBP=ffff88800ef7dd98 RSP=ffff8880198ff7c8 R8 =0000000000000001 R9 =0000000000000000 R10=0000000000000001 R11=0000000000000001 R12=ffff88800ef7dd98 R13=00000000ef9db6ea R14=0000000000000000 R15=4b952e4da9267483 RIP=ffffffff81527612 RFL=00000002 [-------] 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 00007f5858f00900 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe3a00000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f58594b80b0 CR3=000000000ccfe000 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=000000000000000000000000000000ff XMM02=000000000000000000000000000000ff XMM03=5320444f4854454d5f54505952434e45 XMM04=40404040404040404040404040404040 XMM05=5a5a5a5a5a5a5a5a5a5a5a5a5a5a5a5a XMM06=20202020202020202020202020202020 XMM07=00000000000000000000000000000000 XMM08=ffbc64ffffbc44ffffbc34ffffbc9f00 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=0000000000000000 RBX=ffff8880091df000 RCX=ffffffff81cbbeab RDX=ffff88800ef7b780 RSI=ffffffff81cbbec8 RDI=0000000000000001 RBP=0000000000001001 RSP=ffff8880167bf990 R8 =0000000000000000 R9 =ffffed100123be00 R10=0000000000000001 R11=0000000000000000 R12=0000000000000bdc R13=dffffc0000000000 R14=0000000000000001 R15=0000000000000000 RIP=ffffffff81751cbb 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 00007f7c8bfff700 00000000 00000000 GS =0000 ffff8880e548f000 00000000 00000000 LDT=0000 fffffe0100000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f7c92c60000 CR3=000000000b91c000 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=2035343a33303a333020383120766f4e XMM01=73732878696e755f6d6170203a5d3933 XMM02=65736f6c63206e6f6973736573203a29 XMM03=755f6d6170203a5d3933325b64687373 XMM04=69662068637573206f4e203a656c6163 XMM05=3a656c696620766e65206e65706f206f XMM06=65733a6468737328766e655f6d617020 XMM07=6b7a79732034343a33303a3330203831 XMM08=30343d7974696c696261706163202279 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000