[ 39.182035] ------------[ cut here ]------------ [ 39.183042] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 39.185185] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/233 [ 39.186749] Modules linked in: [ 39.187425] CPU: 0 UID: 104 PID: 233 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 39.189509] Tainted: [W]=WARN [ 39.190100] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 39.191689] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 39.192683] 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 [ 39.196118] RSP: 0018:ffff88800b3f7bc0 EFLAGS: 00010286 [ 39.197198] RAX: 0000000000000000 RBX: ffffed100167ef78 RCX: ffffffff813a4050 [ 39.198601] RDX: ffff888017958000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 39.200017] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed100167ef2f [ 39.201431] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 39.202837] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88800b3f7df8 [ 39.204273] FS: 00007fbef4ccc900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 39.205886] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 39.207064] CR2: 00007fbef52324a6 CR3: 000000000d675000 CR4: 0000000000350ef0 [ 39.208515] Call Trace: [ 39.209034] [ 39.209549] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 39.210554] ? __create_object+0x59/0x80 [ 39.211434] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.212537] __vmalloc_noprof+0x59/0x60 [ 39.213396] bpf_prog_alloc_no_stats+0x55/0x470 [ 39.214367] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.215427] bpf_prog_alloc+0x39/0x200 [ 39.216206] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.217278] bpf_prog_create_from_user+0xb2/0x2f0 [ 39.218329] do_seccomp+0x349/0x25e0 [ 39.219094] ? find_held_lock+0x2b/0x80 [ 39.219961] ? do_prlimit+0x310/0x610 [ 39.220814] ? __pfx_do_seccomp+0x10/0x10 [ 39.221726] ? do_raw_spin_unlock+0x53/0x220 [ 39.222635] ? _raw_spin_unlock+0x1e/0x40 [ 39.223424] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 39.224393] ? static_key_count+0x60/0x80 [ 39.225152] prctl_set_seccomp+0x4e/0x70 [ 39.225924] __do_sys_prctl+0xe6c/0x1d70 [ 39.226709] ? __pfx___do_sys_prctl+0x10/0x10 [ 39.227567] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 39.228558] ? irqentry_exit+0xf3/0x650 [ 39.229336] do_syscall_64+0xbf/0x430 [ 39.230033] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 39.230998] RIP: 0033:0x7fbef51be5cd [ 39.231715] 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 [ 39.234913] RSP: 002b:00007ffdcbecff10 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 39.236320] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fbef51be5cd [ 39.237640] RDX: 000055a9a3404e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 39.238956] RBP: 00007ffdcbecff70 R08: 0000000000000000 R09: 00007ffdcbecf610 [ 39.240308] R10: 0000000000000000 R11: 0000000000000246 R12: 000055a9c809eb10 [ 39.241641] R13: 00007ffdcbed03a0 R14: 000055a9c809f2b0 R15: 000055a9c80b36f0 [ 39.242973] [ 39.243444] irq event stamp: 1731 [ 39.244045] hardirqs last enabled at (1739): [] __up_console_sem+0x78/0x80 [ 39.245598] hardirqs last disabled at (1748): [] __up_console_sem+0x5d/0x80 [ 39.247164] softirqs last enabled at (1686): [] handle_softirqs+0x50c/0x770 [ 39.248693] softirqs last disabled at (1681): [] __irq_exit_rcu+0xc4/0x100 [ 39.250091] ---[ end trace 0000000000000000 ]--- Debian GNU/Linux 11 syzkaller ttyS0 syzkaller login: [ 42.530469] ------------[ cut here ]------------ [ 42.531061] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.532092] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/243 [ 42.532929] Modules linked in: [ 42.533221] CPU: 0 UID: 104 PID: 243 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 42.534367] Tainted: [W]=WARN [ 42.534640] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.535518] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.536006] 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 [ 42.537627] RSP: 0018:ffff8880187a7bc0 EFLAGS: 00010286 [ 42.538232] RAX: 0000000000000000 RBX: ffffed10030f4f78 RCX: ffffffff813a4050 [ 42.538939] RDX: ffff888016343780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.539613] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed10030f4f2f [ 42.540414] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.541190] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff8880187a7df8 [ 42.541822] FS: 00007f19de5b5900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 42.542679] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.543169] CR2: 00007f19deaa7580 CR3: 000000001c910000 CR4: 0000000000350ef0 [ 42.543821] Call Trace: [ 42.544154] [ 42.544388] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.544803] ? __create_object+0x59/0x80 [ 42.545158] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.545769] __vmalloc_noprof+0x59/0x60 [ 42.546162] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.546652] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.547088] bpf_prog_alloc+0x39/0x200 [ 42.547496] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.548013] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.548490] do_seccomp+0x349/0x25e0 [ 42.548884] ? __pfx_css_rstat_updated+0x10/0x10 [ 42.549320] ? __pfx_do_seccomp+0x10/0x10 [ 42.549683] ? find_held_lock+0x2b/0x80 [ 42.550148] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.550687] ? static_key_count+0x60/0x80 [ 42.551079] prctl_set_seccomp+0x4e/0x70 [ 42.551453] __do_sys_prctl+0xe6c/0x1d70 [ 42.551814] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.552201] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.552829] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.553276] ? irqentry_exit+0xf3/0x650 [ 42.553642] do_syscall_64+0xbf/0x430 [ 42.553977] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.554434] RIP: 0033:0x7f19deaa75cd [ 42.554760] 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 [ 42.556293] RSP: 002b:00007ffe2e190fe0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.556930] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f19deaa75cd [ 42.557544] RDX: 000055a80c363e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.558136] RBP: 00007ffe2e191040 R08: 0000000000000000 R09: 00007ffe2e1906e0 [ 42.558746] R10: 0000000000000000 R11: 0000000000000246 R12: 000055a830f7ead0 [ 42.559358] R13: 00007ffe2e191470 R14: 000055a830f7fbc0 R15: 000055a830f90780 [ 42.559983] [ 42.560269] irq event stamp: 1671 [ 42.560671] hardirqs last enabled at (1683): [] __up_console_sem+0x78/0x80 [ 42.561391] hardirqs last disabled at (1692): [] __up_console_sem+0x5d/0x80 [ 42.562093] softirqs last enabled at (1498): [] handle_softirqs+0x50c/0x770 [ 42.562821] softirqs last disabled at (1491): [] __irq_exit_rcu+0xc4/0x100 [ 42.563525] ---[ end trace 0000000000000000 ]--- [ 43.243434] ------------[ cut here ]------------ [ 43.244374] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 43.246428] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/250 [ 43.247850] Modules linked in: [ 43.248510] CPU: 0 UID: 104 PID: 250 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 43.250481] Tainted: [W]=WARN [ 43.251027] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 43.252489] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 43.253388] 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 [ 43.256531] RSP: 0018:ffff88801865fbc0 EFLAGS: 00010286 [ 43.257496] RAX: 0000000000000000 RBX: ffffed10030cbf78 RCX: ffffffff813a4050 [ 43.258771] RDX: ffff88801628b780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 43.260033] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed10030cbf2f [ 43.261327] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 43.262592] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801865fdf8 [ 43.263867] FS: 00007f1c60dfc900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 43.265317] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 43.266367] CR2: 00007fff578a1ef8 CR3: 000000000df82000 CR4: 0000000000350ef0 [ 43.267641] Call Trace: [ 43.268095] [ 43.268544] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 43.269436] ? __create_object+0x59/0x80 [ 43.270167] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 43.271123] __vmalloc_noprof+0x59/0x60 [ 43.271871] bpf_prog_alloc_no_stats+0x55/0x470 [ 43.272761] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.273686] bpf_prog_alloc+0x39/0x200 [ 43.274416] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.275330] bpf_prog_create_from_user+0xb2/0x2f0 [ 43.276186] do_seccomp+0x349/0x25e0 [ 43.276943] ? find_held_lock+0x2b/0x80 [ 43.277707] ? do_prlimit+0x310/0x610 [ 43.278452] ? __pfx_do_seccomp+0x10/0x10 [ 43.279186] ? do_raw_spin_unlock+0x53/0x220 [ 43.280020] ? _raw_spin_unlock+0x1e/0x40 [ 43.280810] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 43.281766] ? static_key_count+0x60/0x80 [ 43.282562] prctl_set_seccomp+0x4e/0x70 [ 43.283346] __do_sys_prctl+0xe6c/0x1d70 [ 43.284081] ? __pfx___do_sys_prctl+0x10/0x10 [ 43.284952] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 43.285926] ? irqentry_exit+0xf3/0x650 [ 43.286682] do_syscall_64+0xbf/0x430 [ 43.287422] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 43.288368] RIP: 0033:0x7f1c612ee5cd [ 43.289014] 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 [ 43.292155] RSP: 002b:00007fff578a0a80 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 43.293539] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f1c612ee5cd [ 43.294811] RDX: 000055d3f234ee00 RSI: 0000000000000002 RDI: 0000000000000016 [ 43.296078] RBP: 00007fff578a0ae0 R08: 0000000000000000 R09: 00007fff578a0180 [ 43.297373] R10: 0000000000000000 R11: 0000000000000246 R12: 000055d403336ad0 [ 43.298648] R13: 00007fff578a0f10 R14: 000055d403337bc0 R15: 000055d403348780 [ 43.299943] [ 43.300407] irq event stamp: 1723 [ 43.301007] hardirqs last enabled at (1731): [] __up_console_sem+0x78/0x80 [ 43.302509] hardirqs last disabled at (1740): [] __up_console_sem+0x5d/0x80 [ 43.304008] softirqs last enabled at (1700): [] handle_softirqs+0x50c/0x770 [ 43.305545] softirqs last disabled at (1695): [] __irq_exit_rcu+0xc4/0x100 [ 43.307039] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:59853' (ECDSA) to the list of known hosts. 2025/11/17 12:16:02 fuzzer started 2025/11/17 12:16:02 dialing manager at localhost:37895 2025/11/17 12:16:02 checking machine... 2025/11/17 12:16:02 checking revisions... [ 44.203479] kmemleak: Automatic memory scanning thread ended 2025/11/17 12:16:02 testing simple program... [ 44.296806] cgroup: Unknown subsys name 'net' [ 44.359596] cgroup: Unknown subsys name 'cpuset' [ 44.374249] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program VM DIAGNOSIS: 12:16:02 Registers: info registers vcpu 0 RAX=0000000000000000 RBX=000000000000003b RCX=ffffffff83d6e98a RDX=ffff888013d01bc0 RSI=000000000000003b RDI=0000000000000011 RBP=000000000000003c RSP=ffff88801875f670 R8 =0000000000000001 R9 =0000000000000000 R10=000000000000003b R11=0000000000000001 R12=0000000000000001 R13=ffffffff8899f6b8 R14=0000000000000000 R15=0000000000000006 RIP=ffffffff81751790 RFL=00000293 [--S-A-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 =0018 0000000000000000 ffffffff 00c09300 DPL=0 DS [-WA] DS =0000 0000000000000000 00000000 00000000 FS =0000 00007f19de5b5900 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe3d00000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007ffe2e18b000 CR3=000000000e612000 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=74696d7265705f6d61703d73726f746e XMM02=000000000000000000000000000000ff XMM03=5320444f4854454d5f54505952434e45 XMM04=40404040404040404040404040404040 XMM05=5a5a5a5a5a5a5a5a5a5a5a5a5a5a5a5a XMM06=20202020202020202020202020202020 XMM07=00000000000000000000000000000000 XMM08=61662029286e65706f5f746964756100 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=000000000002e7b1 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 fffffe5800000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007ffd08aaac68 CR3=000000001c89c000 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=2031303a36313a323120373120766f4e XMM01=73732878696e755f6d6170203a5d3134 XMM02=65736f6c63206e6f6973736573203a29 XMM03=755f6d6170203a5d3134325b64687373 XMM04=69662068637573206f4e203a656c6163 XMM05=3a656c696620766e65206e65706f206f XMM06=65733a6468737328766e655f6d617020 XMM07=6b7a79732031303a36313a3231203731 XMM08=30343d7974696c696261706163202279 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000