[ 39.242108] ------------[ cut here ]------------ [ 39.243041] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 39.245528] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/232 [ 39.246958] Modules linked in: [ 39.247587] CPU: 0 UID: 104 PID: 232 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 39.249573] Tainted: [W]=WARN [ 39.250119] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 39.251572] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 39.252436] 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 [ 39.255595] RSP: 0018:ffff888017927bc0 EFLAGS: 00010286 [ 39.256562] RAX: 0000000000000000 RBX: ffffed1002f24f78 RCX: ffffffff813a4050 [ 39.257852] RDX: ffff888014005340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 39.259121] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002f24f2f [ 39.260382] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 39.261671] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888017927df8 [ 39.262936] FS: 00007f9f0565c900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 39.264361] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 39.265425] CR2: 00007ffd5e77aef8 CR3: 000000000d081000 CR4: 0000000000350ef0 [ 39.266696] Call Trace: [ 39.267154] [ 39.267605] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 39.268443] ? __create_object+0x59/0x80 [ 39.269214] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.270185] __vmalloc_noprof+0x59/0x60 [ 39.270948] bpf_prog_alloc_no_stats+0x55/0x470 [ 39.271831] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.272752] bpf_prog_alloc+0x39/0x200 [ 39.273442] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.274352] bpf_prog_create_from_user+0xb2/0x2f0 [ 39.275267] do_seccomp+0x349/0x25e0 [ 39.275996] ? find_held_lock+0x2b/0x80 [ 39.276761] ? do_prlimit+0x310/0x610 [ 39.277505] ? __pfx_do_seccomp+0x10/0x10 [ 39.278238] ? do_raw_spin_unlock+0x53/0x220 [ 39.279062] ? _raw_spin_unlock+0x1e/0x40 [ 39.279824] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 39.280779] ? static_key_count+0x60/0x80 [ 39.281590] prctl_set_seccomp+0x4e/0x70 [ 39.282313] __do_sys_prctl+0xe6c/0x1d70 [ 39.283097] ? __pfx___do_sys_prctl+0x10/0x10 [ 39.283965] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 39.284927] ? irqentry_exit+0xf3/0x650 [ 39.285696] do_syscall_64+0xbf/0x430 [ 39.286379] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 39.287328] RIP: 0033:0x7f9f05b4e5cd [ 39.288017] 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 [ 39.291162] RSP: 002b:00007ffd5e779d10 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 39.292523] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f9f05b4e5cd [ 39.293815] RDX: 00005635fbf9be00 RSI: 0000000000000002 RDI: 0000000000000016 [ 39.295102] RBP: 00007ffd5e779d70 R08: 0000000000000000 R09: 00007ffd5e779410 [ 39.296366] R10: 0000000000000000 R11: 0000000000000246 R12: 000056362f5a02b0 [ 39.297647] R13: 00007ffd5e77a1a0 R14: 000056362f5a2d20 R15: 000056362f5b48d0 [ 39.298934] [ 39.299349] irq event stamp: 1765 [ 39.299997] hardirqs last enabled at (1775): [] __up_console_sem+0x78/0x80 [ 39.301521] hardirqs last disabled at (1784): [] __up_console_sem+0x5d/0x80 [ 39.303019] softirqs last enabled at (1714): [] handle_softirqs+0x50c/0x770 [ 39.304544] softirqs last disabled at (1709): [] __irq_exit_rcu+0xc4/0x100 [ 39.306049] ---[ end trace 0000000000000000 ]--- Debian GNU/Linux 11 syzkaller ttyS0 syzkaller login: [ 41.855796] ------------[ cut here ]------------ [ 41.856746] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 41.858764] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/241 [ 41.860267] Modules linked in: [ 41.860913] CPU: 0 UID: 104 PID: 241 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 41.862902] Tainted: [W]=WARN [ 41.863451] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 41.864973] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 41.865905] 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 [ 41.869117] RSP: 0018:ffff88801c10fbc0 EFLAGS: 00010286 [ 41.870131] RAX: 0000000000000000 RBX: ffffed1003821f78 RCX: ffffffff813a4050 [ 41.871413] RDX: ffff888016c6d340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 41.872689] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1003821f2f [ 41.873990] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000400dc0 [ 41.875280] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801c10fdf8 [ 41.876566] FS: 00007f110ed21900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 41.878015] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 41.879071] CR2: 00007f110f213580 CR3: 000000002090c000 CR4: 0000000000350ef0 [ 41.880355] Call Trace: [ 41.880849] [ 41.881258] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 41.882164] ? __create_object+0x59/0x80 [ 41.882947] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 41.883933] __vmalloc_noprof+0x59/0x60 [ 41.884676] bpf_prog_alloc_no_stats+0x55/0x470 [ 41.885560] ? __pfx_seccomp_check_filter+0x10/0x10 [ 41.886435] bpf_prog_alloc+0x39/0x200 [ 41.887175] ? __pfx_seccomp_check_filter+0x10/0x10 [ 41.888104] bpf_prog_create_from_user+0xb2/0x2f0 [ 41.889005] do_seccomp+0x349/0x25e0 [ 41.889757] ? __pfx_css_rstat_updated+0x10/0x10 [ 41.890668] ? __pfx_do_seccomp+0x10/0x10 [ 41.891420] ? find_held_lock+0x2b/0x80 [ 41.892183] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 41.893146] ? static_key_count+0x60/0x80 [ 41.893961] prctl_set_seccomp+0x4e/0x70 [ 41.894736] __do_sys_prctl+0xe6c/0x1d70 [ 41.895519] ? __pfx___do_sys_prctl+0x10/0x10 [ 41.896324] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 41.897292] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 41.898266] ? irqentry_exit+0xf3/0x650 [ 41.899041] do_syscall_64+0xbf/0x430 [ 41.899798] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 41.900746] RIP: 0033:0x7f110f2135cd [ 41.901413] 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 [ 41.904526] RSP: 002b:00007ffc32b1dba0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 41.905890] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f110f2135cd [ 41.907157] RDX: 000055f691a29e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 41.908431] RBP: 00007ffc32b1dc00 R08: 0000000000000000 R09: 00007ffc32b1d2a0 [ 41.909745] R10: 0000000000000000 R11: 0000000000000246 R12: 000055f6b0f9ead0 [ 41.911004] R13: 00007ffc32b1e030 R14: 000055f6b0f9fbc0 R15: 000055f6b0fb0780 [ 41.912299] [ 41.912775] irq event stamp: 1755 [ 41.913383] hardirqs last enabled at (1763): [] __up_console_sem+0x78/0x80 [ 41.914898] hardirqs last disabled at (1772): [] __up_console_sem+0x5d/0x80 [ 41.916400] softirqs last enabled at (1646): [] handle_softirqs+0x50c/0x770 [ 41.917931] softirqs last disabled at (1641): [] __irq_exit_rcu+0xc4/0x100 [ 41.919426] ---[ end trace 0000000000000000 ]--- [ 42.586267] ------------[ cut here ]------------ [ 42.587041] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.588817] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/248 [ 42.590033] Modules linked in: [ 42.590563] CPU: 1 UID: 104 PID: 248 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 42.592215] Tainted: [W]=WARN [ 42.592712] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.593926] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.594690] 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 [ 42.597326] RSP: 0018:ffff88800b607bc0 EFLAGS: 00010286 [ 42.598148] RAX: 0000000000000000 RBX: ffffed10016c0f78 RCX: ffffffff813a4050 [ 42.599199] RDX: ffff88801ad83780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.600245] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed10016c0f2f [ 42.601294] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.602352] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88800b607df8 [ 42.603410] FS: 00007f1c8ca87900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 42.604589] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.605426] CR2: 00007ffff7dc2ef8 CR3: 0000000020892000 CR4: 0000000000350ef0 [ 42.606498] Call Trace: [ 42.606881] [ 42.607217] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.607959] ? __create_object+0x59/0x80 [ 42.608604] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.609363] __vmalloc_noprof+0x59/0x60 [ 42.610003] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.610723] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.611452] bpf_prog_alloc+0x39/0x200 [ 42.612065] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.612833] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.613586] do_seccomp+0x349/0x25e0 [ 42.614142] ? find_held_lock+0x2b/0x80 [ 42.614767] ? do_prlimit+0x310/0x610 [ 42.615341] ? __pfx_do_seccomp+0x10/0x10 [ 42.615997] ? do_raw_spin_unlock+0x53/0x220 [ 42.616692] ? _raw_spin_unlock+0x1e/0x40 [ 42.617298] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.618105] ? static_key_count+0x60/0x80 [ 42.619095] prctl_set_seccomp+0x4e/0x70 [ 42.619747] __do_sys_prctl+0xe6c/0x1d70 [ 42.620353] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.621058] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.621875] ? irqentry_exit+0xf3/0x650 [ 42.622508] do_syscall_64+0xbf/0x430 [ 42.623080] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.623862] RIP: 0033:0x7f1c8cf795cd [ 42.624403] 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 [ 42.627023] RSP: 002b:00007ffff7dc0a10 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.628150] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f1c8cf795cd [ 42.629205] RDX: 000055971aa8de00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.630275] RBP: 00007ffff7dc0a70 R08: 0000000000000000 R09: 00007ffff7dc0110 [ 42.631334] R10: 0000000000000000 R11: 0000000000000246 R12: 000055974b425ad0 [ 42.632380] R13: 00007ffff7dc0ea0 R14: 000055974b426bc0 R15: 000055974b437780 [ 42.633499] [ 42.633852] irq event stamp: 1765 [ 42.634345] hardirqs last enabled at (1773): [] __up_console_sem+0x78/0x80 [ 42.635602] hardirqs last disabled at (1782): [] __up_console_sem+0x5d/0x80 [ 42.636858] softirqs last enabled at (1398): [] handle_softirqs+0x50c/0x770 [ 42.638141] softirqs last disabled at (1393): [] __irq_exit_rcu+0xc4/0x100 [ 42.639396] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:56211' (ECDSA) to the list of known hosts. 2025/11/17 11:34:58 fuzzer started 2025/11/17 11:34:58 dialing manager at localhost:37895 2025/11/17 11:34:58 checking machine... 2025/11/17 11:34:58 checking revisions... [ 43.427148] kmemleak: Automatic memory scanning thread ended 2025/11/17 11:34:58 testing simple program... [ 43.507320] cgroup: Unknown subsys name 'net' [ 43.558334] cgroup: Unknown subsys name 'cpuset' [ 43.572530] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program VM DIAGNOSIS: 11:34:57 Registers: info registers vcpu 0 RAX=000000000000000c RBX=0000000000000400 RCX=0000000000000400 RDX=000055f6b0faf770 RSI=000055f6b0faf740 RDI=000055f6b0f9ece0 RBP=0000000000000400 RSP=fffffe0000002fd0 R8 =00007ffc32b1d368 R9 =00007f110f2d3be0 R10=000000000000006e R11=0000000000000000 R12=000055f6b0faf740 R13=000055f6b0f9ece0 R14=000055f6b0faf770 R15=00007ffc32b1d368 RIP=ffffffff81001280 RFL=00000083 [--S---C] 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 =0000 0000000000000000 00000000 00000000 DS =0000 0000000000000000 00000000 00000000 FS =0000 00007f110ed21900 00000000 00000000 GS =0000 0000000000000000 00000000 00000000 LDT=0000 fffffe6300000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f110f2d90b0 CR3=000000000e17d000 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=ffffffff866dc15c RCX=ffffffff8161932d RDX=0000000000000000 RSI=ffffffff86a49c36 RDI=ffffffff866dc158 RBP=ffffffff866dc158 RSP=ffff88806cf089b8 R8 =ffffffff86a49c36 R9 =0000000000000000 R10=000000000003c9ed R11=0000000000012f69 R12=ffffffff866dc158 R13=ffffffff866dc158 R14=ffffffff866dc158 R15=dffffc0000000000 RIP=ffffffff8135da94 RFL=00000256 [---ZAP-] 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 00007f55a1af3900 00000000 00000000 GS =0000 ffff8880e548f000 00000000 00000000 LDT=0000 fffffe7400000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f55a120a000 CR3=0000000009cf1000 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=ffffffffffffffffffffffffffffffff XMM01=30306234386136303638616663356134 XMM02=38303062343861363036386166633561 XMM03=2f6c616e72756f6a2f676f6c2f6e7572 XMM04=3e0b64079bfc12b700000000000ae988 XMM05=5076749cdcbbfb5f00000000003205a8 XMM06=e959ba483a122887000000000031f348 XMM07=00000000000000000000000000000000 XMM08=415453454d49545f454d49544c414552 XMM09=00000000000000000000000000000000 XMM10=20200000000020202020202020200000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000