[ 38.918673] ------------[ cut here ]------------ [ 38.919080] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 38.920018] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/234 [ 38.920681] Modules linked in: [ 38.920950] CPU: 1 UID: 104 PID: 234 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 38.921854] Tainted: [W]=WARN [ 38.922104] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 38.922769] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 38.923170] 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 [ 38.924606] RSP: 0018:ffff888013a37bc0 EFLAGS: 00010286 [ 38.925026] RAX: 0000000000000000 RBX: ffffed1002746f78 RCX: ffffffff813a4050 [ 38.925612] RDX: ffff88800a9bd340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 38.926178] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002746f2f [ 38.926787] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 38.927474] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888013a37df8 [ 38.928144] FS: 00007f0b76f4e900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 38.928848] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 38.929309] CR2: 00007ffc7d92bef8 CR3: 0000000009fa1000 CR4: 0000000000350ef0 [ 38.929894] Call Trace: [ 38.930106] [ 38.930290] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 38.930698] ? __create_object+0x59/0x80 [ 38.931044] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 38.931484] __vmalloc_noprof+0x59/0x60 [ 38.931807] bpf_prog_alloc_no_stats+0x55/0x470 [ 38.932181] ? __pfx_seccomp_check_filter+0x10/0x10 [ 38.932608] bpf_prog_alloc+0x39/0x200 [ 38.932922] ? __pfx_seccomp_check_filter+0x10/0x10 [ 38.933319] bpf_prog_create_from_user+0xb2/0x2f0 [ 38.933723] do_seccomp+0x349/0x25e0 [ 38.934027] ? find_held_lock+0x2b/0x80 [ 38.934354] ? do_prlimit+0x310/0x610 [ 38.934695] ? __pfx_do_seccomp+0x10/0x10 [ 38.935039] ? do_raw_spin_unlock+0x53/0x220 [ 38.935429] ? _raw_spin_unlock+0x1e/0x40 [ 38.935765] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 38.936179] ? static_key_count+0x60/0x80 [ 38.936543] prctl_set_seccomp+0x4e/0x70 [ 38.936873] __do_sys_prctl+0xe6c/0x1d70 [ 38.937206] ? __pfx___do_sys_prctl+0x10/0x10 [ 38.937597] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 38.938014] ? irqentry_exit+0xf3/0x650 [ 38.938342] do_syscall_64+0xbf/0x430 [ 38.938679] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 38.939101] RIP: 0033:0x7f0b774405cd [ 38.939423] 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 [ 38.940855] RSP: 002b:00007ffc7d929f30 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 38.941474] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f0b774405cd [ 38.942033] RDX: 00005626db6eee00 RSI: 0000000000000002 RDI: 0000000000000016 [ 38.942608] RBP: 00007ffc7d929f90 R08: 0000000000000000 R09: 00007ffc7d929630 [ 38.943174] R10: 0000000000000000 R11: 0000000000000246 R12: 00005626e7104ad0 [ 38.943755] R13: 00007ffc7d92a3c0 R14: 00005626e7105bc0 R15: 00005626e7116780 [ 38.944321] [ 38.944531] irq event stamp: 1651 [ 38.944805] hardirqs last enabled at (1659): [] __up_console_sem+0x78/0x80 [ 38.945493] hardirqs last disabled at (1668): [] __up_console_sem+0x5d/0x80 [ 38.946159] softirqs last enabled at (1206): [] handle_softirqs+0x50c/0x770 [ 38.946855] softirqs last disabled at (1197): [] __irq_exit_rcu+0xc4/0x100 [ 38.947543] ---[ end trace 0000000000000000 ]--- Debian GNU/Linux 11 syzkaller ttyS0 syzkaller login: [ 41.218348] ------------[ cut here ]------------ [ 41.219269] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 41.221362] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/242 [ 41.222863] Modules linked in: [ 41.223514] CPU: 0 UID: 104 PID: 242 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 41.225506] Tainted: [W]=WARN [ 41.226072] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 41.227540] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 41.228449] 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 [ 41.231629] RSP: 0018:ffff888013a6fbc0 EFLAGS: 00010286 [ 41.232610] RAX: 0000000000000000 RBX: ffffed100274df78 RCX: ffffffff813a4050 [ 41.233881] RDX: ffff888015fe0000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 41.235179] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed100274df2f [ 41.236459] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 41.237742] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888013a6fdf8 [ 41.239035] FS: 00007fcd6cc97900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 41.240493] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 41.241562] CR2: 00007ffc9c90cef8 CR3: 000000001f191000 CR4: 0000000000350ef0 [ 41.242841] Call Trace: [ 41.243313] [ 41.243760] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 41.244669] ? __create_object+0x59/0x80 [ 41.245466] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 41.246424] __vmalloc_noprof+0x59/0x60 [ 41.247139] bpf_prog_alloc_no_stats+0x55/0x470 [ 41.248008] ? __pfx_seccomp_check_filter+0x10/0x10 [ 41.248948] bpf_prog_alloc+0x39/0x200 [ 41.249674] ? __pfx_seccomp_check_filter+0x10/0x10 [ 41.250605] bpf_prog_create_from_user+0xb2/0x2f0 [ 41.251517] do_seccomp+0x349/0x25e0 [ 41.252191] ? find_held_lock+0x2b/0x80 [ 41.252944] ? do_prlimit+0x310/0x610 [ 41.253677] ? __pfx_do_seccomp+0x10/0x10 [ 41.254480] ? do_raw_spin_unlock+0x53/0x220 [ 41.255285] ? _raw_spin_unlock+0x1e/0x40 [ 41.256058] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 41.257002] ? static_key_count+0x60/0x80 [ 41.257790] prctl_set_seccomp+0x4e/0x70 [ 41.258570] __do_sys_prctl+0xe6c/0x1d70 [ 41.259312] ? __pfx___do_sys_prctl+0x10/0x10 [ 41.260175] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 41.261142] ? irqentry_exit+0xf3/0x650 [ 41.261909] do_syscall_64+0xbf/0x430 [ 41.262648] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 41.263608] RIP: 0033:0x7fcd6d1895cd [ 41.264265] 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 [ 41.267467] RSP: 002b:00007ffc9c90b410 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 41.268818] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fcd6d1895cd [ 41.270089] RDX: 000055f264820e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 41.271401] RBP: 00007ffc9c90b470 R08: 0000000000000000 R09: 00007ffc9c90ab10 [ 41.272677] R10: 0000000000000000 R11: 0000000000000246 R12: 000055f29eefcad0 [ 41.273962] R13: 00007ffc9c90b8a0 R14: 000055f29eefdbc0 R15: 000055f29ef0e780 [ 41.275263] [ 41.275729] irq event stamp: 1735 [ 41.276349] hardirqs last enabled at (1743): [] __up_console_sem+0x78/0x80 [ 41.277914] hardirqs last disabled at (1754): [] __up_console_sem+0x5d/0x80 [ 41.279429] softirqs last enabled at (1712): [] handle_softirqs+0x50c/0x770 [ 41.280962] softirqs last disabled at (1707): [] __irq_exit_rcu+0xc4/0x100 [ 41.282477] ---[ end trace 0000000000000000 ]--- [ 42.037752] ------------[ cut here ]------------ [ 42.038674] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.040728] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/249 [ 42.042205] Modules linked in: [ 42.042903] CPU: 0 UID: 104 PID: 249 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 42.044915] Tainted: [W]=WARN [ 42.045514] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.046997] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.047938] 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 [ 42.051115] RSP: 0018:ffff888017307bc0 EFLAGS: 00010286 [ 42.052086] RAX: 0000000000000000 RBX: ffffed1002e60f78 RCX: ffffffff813a4050 [ 42.053400] RDX: ffff888013d6d340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.054706] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002e60f2f [ 42.056004] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.057307] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888017307df8 [ 42.058583] FS: 00007fd4bd5f9900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 42.060028] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.061093] CR2: 00007fd4bdb5f4a6 CR3: 000000001f293000 CR4: 0000000000350ef0 [ 42.062400] Call Trace: [ 42.062865] [ 42.063283] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.064182] ? __create_object+0x59/0x80 [ 42.064951] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.065930] __vmalloc_noprof+0x59/0x60 [ 42.066694] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.067588] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.068525] bpf_prog_alloc+0x39/0x200 [ 42.069219] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.070146] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.071069] do_seccomp+0x349/0x25e0 [ 42.071786] ? find_held_lock+0x2b/0x80 [ 42.072543] ? do_prlimit+0x310/0x610 [ 42.073235] ? __pfx_do_seccomp+0x10/0x10 [ 42.074022] ? do_raw_spin_unlock+0x53/0x220 [ 42.074863] ? _raw_spin_unlock+0x1e/0x40 [ 42.075669] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.076642] ? static_key_count+0x60/0x80 [ 42.077475] prctl_set_seccomp+0x4e/0x70 [ 42.078219] __do_sys_prctl+0xe6c/0x1d70 [ 42.079012] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.079897] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.080879] ? irqentry_exit+0xf3/0x650 [ 42.081677] do_syscall_64+0xbf/0x430 [ 42.082436] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.083366] RIP: 0033:0x7fd4bdaeb5cd [ 42.084091] 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 [ 42.087298] RSP: 002b:00007ffc80106170 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.088692] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fd4bdaeb5cd [ 42.089989] RDX: 000056497c42be00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.091307] RBP: 00007ffc801061d0 R08: 0000000000000000 R09: 00007ffc80105870 [ 42.092605] R10: 0000000000000000 R11: 0000000000000246 R12: 000056498b3feb10 [ 42.093897] R13: 00007ffc80106600 R14: 000056498b3ff2b0 R15: 000056498b4136f0 [ 42.095210] [ 42.095673] irq event stamp: 1761 [ 42.096282] hardirqs last enabled at (1769): [] __up_console_sem+0x78/0x80 [ 42.097817] hardirqs last disabled at (1778): [] __up_console_sem+0x5d/0x80 [ 42.099403] softirqs last enabled at (1644): [] handle_softirqs+0x50c/0x770 [ 42.100956] softirqs last disabled at (1639): [] __irq_exit_rcu+0xc4/0x100 [ 42.102495] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:53908' (ECDSA) to the list of known hosts. 2025/11/17 23:28:22 fuzzer started 2025/11/17 23:28:22 dialing manager at localhost:37895 2025/11/17 23:28:22 checking machine... 2025/11/17 23:28:22 checking revisions... [ 43.003619] kmemleak: Automatic memory scanning thread ended 2025/11/17 23:28:22 testing simple program... [ 43.101311] cgroup: Unknown subsys name 'net' [ 43.203025] cgroup: Unknown subsys name 'cpuset' [ 43.241592] cgroup: Unknown subsys name 'rlimit' executing program executing program VM DIAGNOSIS: 23:28:21 Registers: info registers vcpu 0 RAX=00000000000000ac RBX=0000000000000010 RCX=0000000000000004 RDX=0000000000000004 RSI=ffff888015fe2668 RDI=ffff888015fe1bc0 RBP=ffff888015fe1bc0 RSP=ffff88806ce08cc8 R8 =0000000000080000 R9 =00000000000000ac R10=0000000000000001 R11=0000000000000000 R12=0000000000000004 R13=0000000000000002 R14=ffff888015fe2668 R15=0000000000000003 RIP=ffffffff81526594 RFL=00000007 [-----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 00007fcd6cc97900 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe5100000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007ffc9c905000 CR3=000000001f1a2000 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=0000000000027941 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 fffffe4400000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007ffe9bf19b68 CR3=0000000016110000 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=f99bb6023973f98cd44b6952506bf569 XMM02=00000000003066a0ec2efd57dc4c00df XMM03=00000000003108807349da16814c435f XMM04=ebe5fa6d8a3e4b8900000000000ae988 XMM05=090f1556b20111b300000000003226b8 XMM06=5b75c91c804453420000000000322540 XMM07=e042d86d42eb936e0000000000310b00 XMM08=7349da16814c435f0000000000306700 XMM09=00000000000000000000000000000000 XMM10=20200000000020202020202020200000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000