[ 39.395249] ------------[ cut here ]------------ [ 39.396138] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 39.398228] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/232 [ 39.399671] Modules linked in: [ 39.401564] CPU: 0 UID: 104 PID: 232 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 39.403542] Tainted: [W]=WARN [ 39.404095] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 39.405574] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 39.406495] 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 [ 39.409659] RSP: 0018:ffff88801010fbc0 EFLAGS: 00010286 [ 39.410648] RAX: 0000000000000000 RBX: ffffed1002021f78 RCX: ffffffff813a4050 [ 39.411941] RDX: ffff88801424b780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 39.413228] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002021f2f [ 39.414509] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 39.415819] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801010fdf8 [ 39.417107] FS: 00007f933ec31900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 39.418533] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 39.419592] CR2: 00007f933f123580 CR3: 000000000e361000 CR4: 0000000000350ef0 [ 39.420895] Call Trace: [ 39.421411] [ 39.421833] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 39.422738] ? __create_object+0x59/0x80 [ 39.423527] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.424513] __vmalloc_noprof+0x59/0x60 [ 39.425278] bpf_prog_alloc_no_stats+0x55/0x470 [ 39.426103] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.427038] bpf_prog_alloc+0x39/0x200 [ 39.427781] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.428720] bpf_prog_create_from_user+0xb2/0x2f0 [ 39.429632] do_seccomp+0x349/0x25e0 [ 39.430361] ? __pfx_css_rstat_updated+0x10/0x10 [ 39.431288] ? __pfx_do_seccomp+0x10/0x10 [ 39.432033] ? find_held_lock+0x2b/0x80 [ 39.432810] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 39.433833] ? static_key_count+0x60/0x80 [ 39.434659] prctl_set_seccomp+0x4e/0x70 [ 39.435450] __do_sys_prctl+0xe6c/0x1d70 [ 39.436246] ? __pfx___do_sys_prctl+0x10/0x10 [ 39.437066] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.438045] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 39.439045] ? irqentry_exit+0xf3/0x650 [ 39.439829] do_syscall_64+0xbf/0x430 [ 39.440595] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 39.441560] RIP: 0033:0x7f933f1235cd [ 39.442269] 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 [ 39.445486] RSP: 002b:00007fff7fdb8e10 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 39.446882] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f933f1235cd [ 39.448178] RDX: 0000560ff96ede00 RSI: 0000000000000002 RDI: 0000000000000016 [ 39.449497] RBP: 00007fff7fdb8e70 R08: 0000000000000000 R09: 00007fff7fdb8510 [ 39.450786] R10: 0000000000000000 R11: 0000000000000246 R12: 00005610029d1ad0 [ 39.452072] R13: 00007fff7fdb92a0 R14: 00005610029d2bc0 R15: 00005610029e3780 [ 39.453379] [ 39.453815] irq event stamp: 2035 [ 39.454457] hardirqs last enabled at (2045): [] __up_console_sem+0x78/0x80 [ 39.456016] hardirqs last disabled at (2054): [] __up_console_sem+0x5d/0x80 [ 39.457581] softirqs last enabled at (1926): [] handle_softirqs+0x50c/0x770 [ 39.459185] softirqs last disabled at (1921): [] __irq_exit_rcu+0xc4/0x100 [ 39.460522] ---[ end trace 0000000000000000 ]--- Debian GNU/Linux 11 syzkaller ttyS0 syzkaller login: [ 42.810989] ------------[ cut here ]------------ [ 42.811951] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.814025] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/241 [ 42.815511] Modules linked in: [ 42.816124] CPU: 1 UID: 104 PID: 241 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 42.818464] Tainted: [W]=WARN [ 42.819065] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.820650] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.821616] 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 [ 42.824806] RSP: 0018:ffff888016e0fbc0 EFLAGS: 00010286 [ 42.825790] RAX: 0000000000000000 RBX: ffffed1002dc1f78 RCX: ffffffff813a4050 [ 42.827096] RDX: ffff88800f4f5340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.828403] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002dc1f2f [ 42.829727] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.831055] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888016e0fdf8 [ 42.832423] FS: 00007f834eab8900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 42.833857] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.834985] CR2: 00007fff8f77eef8 CR3: 000000000d3b3000 CR4: 0000000000350ef0 [ 42.836295] Call Trace: [ 42.836780] [ 42.837272] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.838141] ? __create_object+0x59/0x80 [ 42.839071] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.840080] __vmalloc_noprof+0x59/0x60 [ 42.840823] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.841679] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.842609] bpf_prog_alloc+0x39/0x200 [ 42.843382] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.844293] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.845156] do_seccomp+0x349/0x25e0 [ 42.845873] ? find_held_lock+0x2b/0x80 [ 42.846635] ? do_prlimit+0x310/0x610 [ 42.847377] ? __pfx_do_seccomp+0x10/0x10 [ 42.848107] ? do_raw_spin_unlock+0x53/0x220 [ 42.848930] ? _raw_spin_unlock+0x1e/0x40 [ 42.849697] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.850682] ? static_key_count+0x60/0x80 [ 42.851494] prctl_set_seccomp+0x4e/0x70 [ 42.852265] __do_sys_prctl+0xe6c/0x1d70 [ 42.853013] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.853865] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.854854] ? irqentry_exit+0xf3/0x650 [ 42.855608] do_syscall_64+0xbf/0x430 [ 42.856349] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.857299] RIP: 0033:0x7f834efaa5cd [ 42.857969] 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 [ 42.861158] RSP: 002b:00007fff8f77c7f0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.862551] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f834efaa5cd [ 42.863843] RDX: 00005593c3671e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.865144] RBP: 00007fff8f77c850 R08: 0000000000000000 R09: 00007fff8f77bef0 [ 42.866434] R10: 0000000000000000 R11: 0000000000000246 R12: 00005593fe4bcad0 [ 42.867718] R13: 00007fff8f77cc80 R14: 00005593fe4bdbc0 R15: 00005593fe4ce780 [ 42.869027] [ 42.869487] irq event stamp: 1851 [ 42.870083] hardirqs last enabled at (1859): [] __up_console_sem+0x78/0x80 [ 42.871614] hardirqs last disabled at (1868): [] __up_console_sem+0x5d/0x80 [ 42.873125] softirqs last enabled at (1492): [] handle_softirqs+0x50c/0x770 [ 42.874690] softirqs last disabled at (1887): [] __irq_exit_rcu+0xc4/0x100 [ 42.876231] ---[ end trace 0000000000000000 ]--- [ 43.684343] ------------[ cut here ]------------ [ 43.685286] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 43.687356] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/249 [ 43.688783] Modules linked in: [ 43.689435] CPU: 1 UID: 104 PID: 249 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 43.691429] Tainted: [W]=WARN [ 43.691978] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 43.693446] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 43.694356] 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 [ 43.697553] RSP: 0018:ffff888017227bc0 EFLAGS: 00010286 [ 43.698517] RAX: 0000000000000000 RBX: ffffed1002e44f78 RCX: ffffffff813a4050 [ 43.699801] RDX: ffff888016f25340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 43.701087] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002e44f2f [ 43.702362] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000400dc0 [ 43.703640] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888017227df8 [ 43.704921] FS: 00007fbd802bd900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 43.706338] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 43.707428] CR2: 00007fff58fe0ef8 CR3: 0000000013e45000 CR4: 0000000000350ef0 [ 43.708694] Call Trace: [ 43.709161] [ 43.709598] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 43.710486] ? __create_object+0x59/0x80 [ 43.711274] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 43.712231] __vmalloc_noprof+0x59/0x60 [ 43.712954] bpf_prog_alloc_no_stats+0x55/0x470 [ 43.713822] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.714767] bpf_prog_alloc+0x39/0x200 [ 43.715493] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.716417] bpf_prog_create_from_user+0xb2/0x2f0 [ 43.717324] do_seccomp+0x349/0x25e0 [ 43.717995] ? find_held_lock+0x2b/0x80 [ 43.718760] ? do_prlimit+0x310/0x610 [ 43.719497] ? __pfx_do_seccomp+0x10/0x10 [ 43.720274] ? do_raw_spin_unlock+0x53/0x220 [ 43.721054] ? _raw_spin_unlock+0x1e/0x40 [ 43.721847] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 43.723010] ? static_key_count+0x60/0x80 [ 43.723416] prctl_set_seccomp+0x4e/0x70 [ 43.723764] __do_sys_prctl+0xe6c/0x1d70 [ 43.724122] ? __pfx___do_sys_prctl+0x10/0x10 [ 43.724536] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 43.724993] ? irqentry_exit+0xf3/0x650 [ 43.725373] do_syscall_64+0xbf/0x430 [ 43.725715] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 43.726160] RIP: 0033:0x7fbd807af5cd [ 43.726499] 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 [ 43.728028] RSP: 002b:00007fff58fdfa90 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 43.728695] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fbd807af5cd [ 43.729345] RDX: 0000563350378e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 43.729963] RBP: 00007fff58fdfaf0 R08: 0000000000000000 R09: 00007fff58fdf190 [ 43.730596] R10: 0000000000000000 R11: 0000000000000246 R12: 000056337c78bad0 [ 43.731237] R13: 00007fff58fdff20 R14: 000056337c78cbc0 R15: 000056337c79d780 [ 43.731830] [ 43.732053] irq event stamp: 1749 [ 43.732389] hardirqs last enabled at (1765): [] __up_console_sem+0x78/0x80 [ 43.733119] hardirqs last disabled at (1772): [] __up_console_sem+0x5d/0x80 [ 43.733875] softirqs last enabled at (1762): [] handle_softirqs+0x50c/0x770 [ 43.734624] softirqs last disabled at (1757): [] __irq_exit_rcu+0xc4/0x100 [ 43.735348] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:51682' (ECDSA) to the list of known hosts. 2025/11/17 19:48:54 fuzzer started 2025/11/17 19:48:55 dialing manager at localhost:37895 2025/11/17 19:48:55 checking machine... 2025/11/17 19:48:55 checking revisions... [ 44.615985] kmemleak: Automatic memory scanning thread ended 2025/11/17 19:48:55 testing simple program... [ 44.706171] cgroup: Unknown subsys name 'net' [ 44.750325] cgroup: Unknown subsys name 'cpuset' [ 44.763125] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program VM DIAGNOSIS: 19:48:54 Registers: info registers vcpu 0 RAX=ffffed1001c42e87 RBX=ffffed1001c42e8b RCX=ffffffff82542efe RDX=ffffed1001c42e8b RSI=0000000000000053 RDI=ffff88800e217400 RBP=ffffed1001c42e80 RSP=ffff8880176df9f0 R8 =0000000000000001 R9 =ffffed1001c42e8a R10=ffff88800e217452 R11=0000000000000001 R12=00005593fe4e2e90 R13=ffff8880176dfd88 R14=00007ffffffff000 R15=ffff88800e217400 RIP=ffffffff81b2d061 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 00007f834eab8900 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe6b00000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f834f06d650 CR3=000000001f11f000 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=000000000002cc33 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 fffffe6300000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007ffd15f75ff8 CR3=0000000005c8a000 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=00007f9b1808f510000055c3f0c1e790 XMM02=6f6974707972636e6561737268746977 XMM03=00000000000000000000000000777074 XMM04=40404040404040404040404040404040 XMM05=5a5a5a5a5a5a5a5a5a5a5a5a5a5a5a5a XMM06=20202020202020202020202020202020 XMM07=ffffffffffff00ffffff00ffffff00ff XMM08=00002000000000202020002020200000 XMM09=ffffffffffff00ffffff00ffffff00ff XMM10=00002000000000202020002020200000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000