[ 39.364432] ------------[ cut here ]------------ [ 39.365172] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 39.366889] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/233 [ 39.368115] Modules linked in: [ 39.368632] CPU: 0 UID: 104 PID: 233 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 39.370290] Tainted: [W]=WARN [ 39.370748] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 39.371992] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 39.372766] 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 [ 39.375409] RSP: 0018:ffff888019e2fbc0 EFLAGS: 00010286 [ 39.376203] RAX: 0000000000000000 RBX: ffffed10033c5f78 RCX: ffffffff813a4050 [ 39.377273] RDX: ffff88800a929bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 39.378341] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed10033c5f2f [ 39.379422] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 39.380525] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888019e2fdf8 [ 39.381610] FS: 00007f350ce4d900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 39.382808] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 39.383706] CR2: 00007ffd15223ef8 CR3: 000000000ca37000 CR4: 0000000000350ef0 [ 39.384765] Call Trace: [ 39.385152] [ 39.385525] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 39.386277] ? __create_object+0x59/0x80 [ 39.386901] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.387719] __vmalloc_noprof+0x59/0x60 [ 39.388363] bpf_prog_alloc_no_stats+0x55/0x470 [ 39.389058] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.389850] bpf_prog_alloc+0x39/0x200 [ 39.390463] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.391204] bpf_prog_create_from_user+0xb2/0x2f0 [ 39.391969] do_seccomp+0x349/0x25e0 [ 39.392584] ? find_held_lock+0x2b/0x80 [ 39.393184] ? do_prlimit+0x310/0x610 [ 39.393793] ? __pfx_do_seccomp+0x10/0x10 [ 39.394456] ? do_raw_spin_unlock+0x53/0x220 [ 39.395114] ? _raw_spin_unlock+0x1e/0x40 [ 39.395779] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 39.396583] ? static_key_count+0x60/0x80 [ 39.397215] prctl_set_seccomp+0x4e/0x70 [ 39.397874] __do_sys_prctl+0xe6c/0x1d70 [ 39.398536] ? __pfx___do_sys_prctl+0x10/0x10 [ 39.399213] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 39.400042] ? irqentry_exit+0xf3/0x650 [ 39.400685] do_syscall_64+0xbf/0x430 [ 39.401314] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 39.402072] RIP: 0033:0x7f350d33f5cd [ 39.402664] 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 [ 39.405325] RSP: 002b:00007ffd15221290 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 39.406488] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f350d33f5cd [ 39.407579] RDX: 0000564ea0f60e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 39.408659] RBP: 00007ffd152212f0 R08: 0000000000000000 R09: 00007ffd15220990 [ 39.409736] R10: 0000000000000000 R11: 0000000000000246 R12: 0000564ea64092b0 [ 39.410804] R13: 00007ffd15221720 R14: 0000564ea640bd20 R15: 0000564ea641d8d0 [ 39.411913] [ 39.412309] irq event stamp: 1725 [ 39.412819] hardirqs last enabled at (1733): [] __up_console_sem+0x78/0x80 [ 39.414088] hardirqs last disabled at (1742): [] __up_console_sem+0x5d/0x80 [ 39.415347] softirqs last enabled at (1216): [] handle_softirqs+0x50c/0x770 [ 39.416650] softirqs last disabled at (1195): [] __irq_exit_rcu+0xc4/0x100 [ 39.417923] ---[ end trace 0000000000000000 ]--- Debian GNU/Linux 11 syzkaller ttyS0 syzkaller login: [ 42.144700] ------------[ cut here ]------------ [ 42.145645] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.147692] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/242 [ 42.149161] Modules linked in: [ 42.149809] CPU: 0 UID: 104 PID: 242 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 42.151808] Tainted: [W]=WARN [ 42.152421] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.153943] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.154885] 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 [ 42.158048] RSP: 0018:ffff888013ea7bc0 EFLAGS: 00010286 [ 42.159024] RAX: 0000000000000000 RBX: ffffed10027d4f78 RCX: ffffffff813a4050 [ 42.160329] RDX: ffff888016f11bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.161623] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed10027d4f2f [ 42.162911] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.164218] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888013ea7df8 [ 42.165514] FS: 00007fefefb7d900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 42.166961] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.168064] CR2: 00007ffffe111ef8 CR3: 000000000e01a000 CR4: 0000000000350ef0 [ 42.169344] Call Trace: [ 42.169814] [ 42.170214] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.171135] ? __create_object+0x59/0x80 [ 42.171940] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.172916] __vmalloc_noprof+0x59/0x60 [ 42.173685] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.174570] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.175532] bpf_prog_alloc+0x39/0x200 [ 42.176220] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.177150] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.178067] do_seccomp+0x349/0x25e0 [ 42.178803] ? find_held_lock+0x2b/0x80 [ 42.179587] ? do_prlimit+0x310/0x610 [ 42.180351] ? __pfx_do_seccomp+0x10/0x10 [ 42.181107] ? do_raw_spin_unlock+0x53/0x220 [ 42.181942] ? _raw_spin_unlock+0x1e/0x40 [ 42.182737] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.183711] ? static_key_count+0x60/0x80 [ 42.184526] prctl_set_seccomp+0x4e/0x70 [ 42.185313] __do_sys_prctl+0xe6c/0x1d70 [ 42.186057] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.186933] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.187923] ? irqentry_exit+0xf3/0x650 [ 42.188690] do_syscall_64+0xbf/0x430 [ 42.189439] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.190421] RIP: 0033:0x7feff006f5cd [ 42.191081] 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 [ 42.194278] RSP: 002b:00007ffffe110550 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.195667] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007feff006f5cd [ 42.196955] RDX: 000056546acb6e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.198255] RBP: 00007ffffe1105b0 R08: 0000000000000000 R09: 00007ffffe10fc50 [ 42.199545] R10: 0000000000000000 R11: 0000000000000246 R12: 000056546d45dad0 [ 42.200834] R13: 00007ffffe1109e0 R14: 000056546d45ebc0 R15: 000056546d46f780 [ 42.202123] [ 42.202589] irq event stamp: 1735 [ 42.203199] hardirqs last enabled at (1743): [] __up_console_sem+0x78/0x80 [ 42.204785] hardirqs last disabled at (1754): [] __up_console_sem+0x5d/0x80 [ 42.206334] softirqs last enabled at (1654): [] handle_softirqs+0x50c/0x770 [ 42.207908] softirqs last disabled at (1649): [] __irq_exit_rcu+0xc4/0x100 [ 42.209434] ---[ end trace 0000000000000000 ]--- [ 42.981973] ------------[ cut here ]------------ [ 42.982889] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.984937] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/249 [ 42.986425] Modules linked in: [ 42.987020] CPU: 0 UID: 104 PID: 249 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 42.989083] Tainted: [W]=WARN [ 42.989695] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.991177] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.992120] 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 [ 42.995346] RSP: 0018:ffff8880175a7bc0 EFLAGS: 00010286 [ 42.996359] RAX: 0000000000000000 RBX: ffffed1002eb4f78 RCX: ffffffff813a4050 [ 42.997662] RDX: ffff888019ed9bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.998949] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002eb4f2f [ 43.000247] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000400dc0 [ 43.001537] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff8880175a7df8 [ 43.002835] FS: 00007fec169fb900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 43.004278] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 43.005358] CR2: 00007ffdebfb0ef8 CR3: 000000001f239000 CR4: 0000000000350ef0 [ 43.006673] Call Trace: [ 43.007139] [ 43.007621] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 43.008533] ? __create_object+0x59/0x80 [ 43.009337] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 43.010329] __vmalloc_noprof+0x59/0x60 [ 43.011049] bpf_prog_alloc_no_stats+0x55/0x470 [ 43.011957] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.012905] bpf_prog_alloc+0x39/0x200 [ 43.013651] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.014594] bpf_prog_create_from_user+0xb2/0x2f0 [ 43.015503] do_seccomp+0x349/0x25e0 [ 43.016186] ? find_held_lock+0x2b/0x80 [ 43.016958] ? do_prlimit+0x310/0x610 [ 43.017723] ? __pfx_do_seccomp+0x10/0x10 [ 43.018521] ? do_raw_spin_unlock+0x53/0x220 [ 43.019378] ? _raw_spin_unlock+0x1e/0x40 [ 43.020141] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 43.021110] ? static_key_count+0x60/0x80 [ 43.021911] prctl_set_seccomp+0x4e/0x70 [ 43.022703] __do_sys_prctl+0xe6c/0x1d70 [ 43.023479] ? __pfx___do_sys_prctl+0x10/0x10 [ 43.024367] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 43.025342] ? irqentry_exit+0xf3/0x650 [ 43.026068] do_syscall_64+0xbf/0x430 [ 43.026809] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 43.027792] RIP: 0033:0x7fec16eed5cd [ 43.028509] 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 [ 43.031732] RSP: 002b:00007ffdebfaec40 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 43.033122] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fec16eed5cd [ 43.034424] RDX: 000055c11c9e1e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 43.035730] RBP: 00007ffdebfaeca0 R08: 0000000000000000 R09: 00007ffdebfae340 [ 43.037028] R10: 0000000000000000 R11: 0000000000000246 R12: 000055c12402cad0 [ 43.038322] R13: 00007ffdebfaf0d0 R14: 000055c12402dbc0 R15: 000055c12403e780 [ 43.039632] [ 43.040059] irq event stamp: 1703 [ 43.040727] hardirqs last enabled at (1713): [] __up_console_sem+0x78/0x80 [ 43.042272] hardirqs last disabled at (1722): [] __up_console_sem+0x5d/0x80 [ 43.043828] softirqs last enabled at (1606): [] handle_softirqs+0x50c/0x770 [ 43.045374] softirqs last disabled at (1601): [] __irq_exit_rcu+0xc4/0x100 [ 43.046891] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:35790' (ECDSA) to the list of known hosts. 2025/11/17 11:15:32 fuzzer started 2025/11/17 11:15:33 dialing manager at localhost:37895 2025/11/17 11:15:33 checking machine... 2025/11/17 11:15:33 checking revisions... [ 43.979212] kmemleak: Automatic memory scanning thread ended 2025/11/17 11:15:33 testing simple program... [ 44.076002] cgroup: Unknown subsys name 'net' [ 44.132307] cgroup: Unknown subsys name 'cpuset' [ 44.151653] cgroup: Unknown subsys name 'rlimit' executing program executing program VM DIAGNOSIS: 11:15:32 Registers: info registers vcpu 0 RAX=0000000000000000 RBX=ffff88806ce08e68 RCX=0000000000000002 RDX=0000000000000000 RSI=ffffffff8135e7a2 RDI=ffffffff85e1ffe0 RBP=ffffffff85e1ffe0 RSP=ffff88806ce08998 R8 =0000000000000001 R9 =ffff88806ce08a90 R10=000000000003c9ed R11=0000000000023e3c R12=ffffffff8135e7a2 R13=ffff88806ce08a98 R14=ffff88806ce08e58 R15=ffff88806ce08a50 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 00007fefefb7d900 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe0600000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007fefefb47008 CR3=0000000007266000 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=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 info registers vcpu 1 RAX=0000000000000000 RBX=ffff88806cf37400 RCX=0000000000002139 RDX=1ffff110012c271b RSI=0000000000000000 RDI=ffff8880096138d8 RBP=ffff888009613800 RSP=ffff888009637900 R8 =0000000000024800 R9 =000000000000028b R10=0000000000024800 R11=0000000000000001 R12=0000000000000000 R13=ffff88806cf37340 R14=ffff8880096138c0 R15=0000000000000000 RIP=ffffffff814dc7fe RFL=00000046 [---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 0000000000000000 00000000 00000000 GS =0000 ffff8880e548f000 00000000 00000000 LDT=0000 fffffe3b00000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f151aedb640 CR3=000000000dd9b000 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=d36577f3eac98bb801402db09bc9d34b XMM02=0000000000303630eff9b2d0a8fce9cb XMM03=00000000003037002c67c8bc2e329bc3 XMM04=6bfb888e40a50a2d00000000000ae988 XMM05=73aa157d36756db20000000000320928 XMM06=5b75c91c80445342000000000031f9c8 XMM07=e042d86d42eb936e000000000030f1d0 XMM08=3be965b081eecc920000000000303700 XMM09=00000000000000000000000000000000 XMM10=20200000000020202020202020200000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000