[ 46.784857] ------------[ cut here ]------------ [ 46.785801] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 46.787827] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/235 [ 46.789287] Modules linked in: [ 46.789879] CPU: 0 UID: 104 PID: 235 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 46.791880] Tainted: [W]=WARN [ 46.792476] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 46.793958] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 46.794897] 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 [ 46.798087] RSP: 0018:ffff88801822fbc0 EFLAGS: 00010286 [ 46.799038] RAX: 0000000000000000 RBX: ffffed1003045f78 RCX: ffffffff813a4050 [ 46.800372] RDX: ffff888019e15340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 46.801664] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1003045f2f [ 46.802975] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 46.804276] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801822fdf8 [ 46.805576] FS: 00007f5668739900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 46.807040] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 46.808132] CR2: 00007ffce539bef7 CR3: 000000000dfa2000 CR4: 0000000000350ef0 [ 46.809429] Call Trace: [ 46.809896] [ 46.810376] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 46.811295] ? __create_object+0x59/0x80 [ 46.812089] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 46.813028] __vmalloc_noprof+0x59/0x60 [ 46.813851] bpf_prog_alloc_no_stats+0x55/0x470 [ 46.814764] ? __pfx_seccomp_check_filter+0x10/0x10 [ 46.815710] bpf_prog_alloc+0x39/0x200 [ 46.816466] ? __pfx_seccomp_check_filter+0x10/0x10 [ 46.817419] bpf_prog_create_from_user+0xb2/0x2f0 [ 46.818356] do_seccomp+0x349/0x25e0 [ 46.819090] ? find_held_lock+0x2b/0x80 [ 46.819815] ? do_prlimit+0x310/0x610 [ 46.820573] ? __pfx_do_seccomp+0x10/0x10 [ 46.821366] ? do_raw_spin_unlock+0x53/0x220 [ 46.822209] ? _raw_spin_unlock+0x1e/0x40 [ 46.822966] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 46.823943] ? static_key_count+0x60/0x80 [ 46.824751] prctl_set_seccomp+0x4e/0x70 [ 46.825536] __do_sys_prctl+0xe6c/0x1d70 [ 46.826345] ? __pfx___do_sys_prctl+0x10/0x10 [ 46.827229] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 46.828223] ? irqentry_exit+0xf3/0x650 [ 46.828952] do_syscall_64+0xbf/0x430 [ 46.829704] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 46.830686] RIP: 0033:0x7f5668c2b5cd [ 46.831408] 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 [ 46.834624] RSP: 002b:00007ffce5399b80 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 46.836006] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f5668c2b5cd [ 46.837299] RDX: 0000555fd7c72e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 46.838619] RBP: 00007ffce5399be0 R08: 0000000000000000 R09: 00007ffce5399280 [ 46.839913] R10: 0000000000000000 R11: 0000000000000246 R12: 0000555ff9796ad0 [ 46.841228] R13: 00007ffce539a010 R14: 0000555ff9797bc0 R15: 0000555ff97a8780 [ 46.842557] [ 46.842986] irq event stamp: 1735 [ 46.843645] hardirqs last enabled at (1745): [] __up_console_sem+0x78/0x80 [ 46.845188] hardirqs last disabled at (1754): [] __up_console_sem+0x5d/0x80 [ 46.846745] softirqs last enabled at (1714): [] handle_softirqs+0x50c/0x770 [ 46.848310] softirqs last disabled at (1709): [] __irq_exit_rcu+0xc4/0x100 [ 46.849845] ---[ end trace 0000000000000000 ]--- Debian GNU/Linux 11 syzkaller ttyS0 syzkaller login: [ 50.236735] ------------[ cut here ]------------ [ 50.237533] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 50.239235] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/243 [ 50.240461] Modules linked in: [ 50.240953] CPU: 1 UID: 104 PID: 243 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 50.242600] Tainted: [W]=WARN [ 50.243085] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 50.244304] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 50.245024] 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 [ 50.247699] RSP: 0018:ffff888017227bc0 EFLAGS: 00010286 [ 50.248513] RAX: 0000000000000000 RBX: ffffed1002e44f78 RCX: ffffffff813a4050 [ 50.249578] RDX: ffff88800cf2b780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 50.250653] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002e44f2f [ 50.251715] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 50.252778] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888017227df8 [ 50.253842] FS: 00007f3f833bd900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 50.255067] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.255915] CR2: 00007ffd2859aef7 CR3: 000000000d104000 CR4: 0000000000350ef0 [ 50.256977] Call Trace: [ 50.257389] [ 50.257733] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 50.258492] ? __create_object+0x59/0x80 [ 50.259148] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 50.259912] __vmalloc_noprof+0x59/0x60 [ 50.260543] bpf_prog_alloc_no_stats+0x55/0x470 [ 50.261267] ? __pfx_seccomp_check_filter+0x10/0x10 [ 50.261999] bpf_prog_alloc+0x39/0x200 [ 50.262629] ? __pfx_seccomp_check_filter+0x10/0x10 [ 50.263406] bpf_prog_create_from_user+0xb2/0x2f0 [ 50.264162] do_seccomp+0x349/0x25e0 [ 50.264723] ? find_held_lock+0x2b/0x80 [ 50.265355] ? do_prlimit+0x310/0x610 [ 50.265935] ? __pfx_do_seccomp+0x10/0x10 [ 50.266600] ? do_raw_spin_unlock+0x53/0x220 [ 50.267292] ? _raw_spin_unlock+0x1e/0x40 [ 50.267905] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 50.268722] ? static_key_count+0x60/0x80 [ 50.269389] prctl_set_seccomp+0x4e/0x70 [ 50.270002] __do_sys_prctl+0xe6c/0x1d70 [ 50.270664] ? __pfx___do_sys_prctl+0x10/0x10 [ 50.271381] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 50.272186] ? irqentry_exit+0xf3/0x650 [ 50.272783] do_syscall_64+0xbf/0x430 [ 50.273415] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 50.274207] RIP: 0033:0x7f3f838af5cd [ 50.274768] 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 [ 50.277388] RSP: 002b:00007ffd285986c0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 50.278522] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f3f838af5cd [ 50.279587] RDX: 00005594cfd49e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 50.280660] RBP: 00007ffd28598720 R08: 0000000000000000 R09: 00007ffd28597dc0 [ 50.281727] R10: 0000000000000000 R11: 0000000000000246 R12: 00005594f56a9ad0 [ 50.282812] R13: 00007ffd28598b50 R14: 00005594f56aabc0 R15: 00005594f56bb780 [ 50.283893] [ 50.284272] irq event stamp: 1783 [ 50.284773] hardirqs last enabled at (1791): [] __up_console_sem+0x78/0x80 [ 50.286039] hardirqs last disabled at (1800): [] __up_console_sem+0x5d/0x80 [ 50.287321] softirqs last enabled at (1306): [] handle_softirqs+0x50c/0x770 [ 50.288600] softirqs last disabled at (1297): [] __irq_exit_rcu+0xc4/0x100 [ 50.289864] ---[ end trace 0000000000000000 ]--- [ 51.056458] ------------[ cut here ]------------ [ 51.057411] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 51.059544] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/252 [ 51.061085] Modules linked in: [ 51.061689] CPU: 0 UID: 104 PID: 252 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 51.063807] Tainted: [W]=WARN [ 51.064433] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 51.065944] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 51.066905] 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 [ 51.070104] RSP: 0018:ffff888016287bc0 EFLAGS: 00010286 [ 51.071128] RAX: 0000000000000000 RBX: ffffed1002c50f78 RCX: ffffffff813a4050 [ 51.072444] RDX: ffff88801add0000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 51.073751] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002c50f2f [ 51.075088] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 51.076384] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888016287df8 [ 51.077698] FS: 00007f171ef92900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 51.079179] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 51.080263] CR2: 00007f171f484580 CR3: 000000000d1bf000 CR4: 0000000000350ef0 [ 51.081592] Call Trace: [ 51.082123] [ 51.082564] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 51.083480] ? __create_object+0x59/0x80 [ 51.084306] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 51.085324] __vmalloc_noprof+0x59/0x60 [ 51.086106] bpf_prog_alloc_no_stats+0x55/0x470 [ 51.086959] ? __pfx_seccomp_check_filter+0x10/0x10 [ 51.087935] bpf_prog_alloc+0x39/0x200 [ 51.088682] ? __pfx_seccomp_check_filter+0x10/0x10 [ 51.089652] bpf_prog_create_from_user+0xb2/0x2f0 [ 51.090604] do_seccomp+0x349/0x25e0 [ 51.091369] ? __pfx_css_rstat_updated+0x10/0x10 [ 51.092313] ? __pfx_do_seccomp+0x10/0x10 [ 51.093137] ? find_held_lock+0x2b/0x80 [ 51.093870] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 51.094894] ? static_key_count+0x60/0x80 [ 51.095723] prctl_set_seccomp+0x4e/0x70 [ 51.096541] __do_sys_prctl+0xe6c/0x1d70 [ 51.097368] ? __pfx___do_sys_prctl+0x10/0x10 [ 51.098266] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 51.099284] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 51.100301] ? irqentry_exit+0xf3/0x650 [ 51.101040] do_syscall_64+0xbf/0x430 [ 51.101831] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 51.102840] RIP: 0033:0x7f171f4845cd [ 51.103593] 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 [ 51.106817] RSP: 002b:00007fffc9ab3960 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 51.108253] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f171f4845cd [ 51.109593] RDX: 000055acd4b4be00 RSI: 0000000000000002 RDI: 0000000000000016 [ 51.110926] RBP: 00007fffc9ab39c0 R08: 0000000000000000 R09: 00007fffc9ab3060 [ 51.112250] R10: 0000000000000000 R11: 0000000000000246 R12: 000055acf471fb10 [ 51.113585] R13: 00007fffc9ab3df0 R14: 000055acf47202b0 R15: 000055acf47346f0 [ 51.114954] [ 51.115430] irq event stamp: 1749 [ 51.116116] hardirqs last enabled at (1759): [] __up_console_sem+0x78/0x80 [ 51.117693] hardirqs last disabled at (1768): [] __up_console_sem+0x5d/0x80 [ 51.119281] softirqs last enabled at (1686): [] handle_softirqs+0x50c/0x770 [ 51.120887] softirqs last disabled at (1681): [] __irq_exit_rcu+0xc4/0x100 [ 51.122459] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:35401' (ECDSA) to the list of known hosts. 2025/11/17 16:08:12 fuzzer started 2025/11/17 16:08:13 dialing manager at localhost:37895 2025/11/17 16:08:13 checking machine... 2025/11/17 16:08:13 checking revisions... [ 51.989130] kmemleak: Automatic memory scanning thread ended 2025/11/17 16:08:13 testing simple program... [ 52.069334] cgroup: Unknown subsys name 'net' [ 52.134627] cgroup: Unknown subsys name 'cpuset' [ 52.145934] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program VM DIAGNOSIS: 16:08:12 Registers: info registers vcpu 0 RAX=0000000000000000 RBX=ffff8880096278d8 RCX=0000000000000001 RDX=0000000000000000 RSI=ffffffff8135e7a2 RDI=ffffffff85e1ffe0 RBP=ffffffff85e1ffe0 RSP=ffff888009627728 R8 =0000000000000001 R9 =ffff888009627870 R10=000000000003c9ed R11=000000000000453f R12=ffffffff8135e7a2 R13=ffff888009627878 R14=ffff8880096278c8 R15=ffff888009627830 RIP=ffffffff81528efc RFL=00000247 [---Z-PC] 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 0000000000000000 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe5000000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007ffd28592000 CR3=000000000d64b000 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=2032313a38303a363120373120766f4e XMM01=73732878696e755f6d6170203a5d3234 XMM02=65736f6c63206e6f6973736573203a29 XMM03=755f6d6170203a5d3234325b64687373 XMM04=69662068637573206f4e203a656c6163 XMM05=3a656c696620766e65206e65706f206f XMM06=65733a6468737328766e655f6d617020 XMM07=6b7a79732031313a38303a3631203731 XMM08=30343d7974696c696261706163202279 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=ffffffff87b21388 RBX=ffff88800cf29bc0 RCX=bd702fe1a0083662 RDX=0000000023ff0fc8 RSI=000000008280d363 RDI=ffff88800cf2a668 RBP=ffff88800cf2a618 RSP=ffff88800b7b7620 R8 =0000000000000002 R9 =0000000000000000 R10=0000000000000001 R11=0000000000000000 R12=ffff88800cf2a668 R13=0000000000005326 R14=0000000000000001 R15=bd702fe1a0083662 RIP=ffffffff81527b66 RFL=00000012 [----A--] 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 00007f3f833bd900 00000000 00000000 GS =0000 ffff8880e548f000 00000000 00000000 LDT=0000 fffffe3300000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00005594f56f4000 CR3=000000001fd63000 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=6720646572637465733a4d41503d706f XMM01=652022746f6f72223d74636361207469 XMM02=3d6c616e696d72657420322e322e302e XMM03=3d656d616e74736f682022646873732f XMM04=40404040404040404040404040404040 XMM05=5a5a5a5a5a5a5a5a5a5a5a5a5a5a5a5a XMM06=20202020202020202020202020202020 XMM07=00000000000000000000000000000000 XMM08=652075253d64692073253d706f000000 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000