[ 38.830253] ------------[ cut here ]------------ [ 38.831177] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 38.833307] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/233 [ 38.834949] Modules linked in: [ 38.835546] CPU: 0 UID: 104 PID: 233 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 38.837549] Tainted: [W]=WARN [ 38.838132] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 38.839637] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 38.840511] Code: e0 ad 11 00 81 e6 1f 52 ee ff 89 4c 24 40 89 74 24 30 90 48 c7 c7 40 38 f1 84 4c 8d 44 24 40 48 8d 54 24 30 e8 30 7b 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 [ 38.843693] RSP: 0018:ffff88801798fbc0 EFLAGS: 00010286 [ 38.844610] RAX: 0000000000000000 RBX: ffffed1002f31f78 RCX: ffffffff813a4050 [ 38.845931] RDX: ffff888019811bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 38.847217] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002f31f2f [ 38.848498] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000400dc0 [ 38.849821] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801798fdf8 [ 38.851100] FS: 00007feb6a866900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 38.852547] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 38.853647] CR2: 00007feb6ad58580 CR3: 000000000b80e000 CR4: 0000000000350ef0 [ 38.854930] Call Trace: [ 38.855394] [ 38.855851] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 38.856749] ? __create_object+0x59/0x80 [ 38.857501] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 38.858476] __vmalloc_noprof+0x59/0x60 [ 38.859237] bpf_prog_alloc_no_stats+0x55/0x470 [ 38.860091] ? __pfx_seccomp_check_filter+0x10/0x10 [ 38.861001] bpf_prog_alloc+0x39/0x200 [ 38.861744] ? __pfx_seccomp_check_filter+0x10/0x10 [ 38.862667] bpf_prog_create_from_user+0xb2/0x2f0 [ 38.863518] do_seccomp+0x349/0x25e0 [ 38.864225] ? __pfx_css_rstat_updated+0x10/0x10 [ 38.865126] ? __pfx_do_seccomp+0x10/0x10 [ 38.865923] ? find_held_lock+0x2b/0x80 [ 38.866702] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 38.867679] ? static_key_count+0x60/0x80 [ 38.868433] prctl_set_seccomp+0x4e/0x70 [ 38.869206] __do_sys_prctl+0xe6c/0x1d70 [ 38.870010] ? __pfx___do_sys_prctl+0x10/0x10 [ 38.870879] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 38.872702] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 38.873687] ? irqentry_exit+0xf3/0x650 [ 38.874419] do_syscall_64+0xbf/0x430 [ 38.875171] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 38.876129] RIP: 0033:0x7feb6ad585cd [ 38.876838] 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 [ 38.880014] RSP: 002b:00007ffc24543c50 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 38.881395] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007feb6ad585cd [ 38.882483] RDX: 00005654c11bde00 RSI: 0000000000000002 RDI: 0000000000000016 [ 38.883540] RBP: 00007ffc24543cb0 R08: 0000000000000000 R09: 00007ffc24543350 [ 38.884601] R10: 0000000000000000 R11: 0000000000000246 R12: 00005654e6eef2b0 [ 38.885689] R13: 00007ffc245440e0 R14: 00005654e6ef1d20 R15: 00005654e6f038d0 [ 38.886768] [ 38.887122] irq event stamp: 1757 [ 38.887651] hardirqs last enabled at (1767): [] __up_console_sem+0x78/0x80 [ 38.888906] hardirqs last disabled at (1776): [] __up_console_sem+0x5d/0x80 [ 38.890178] softirqs last enabled at (1736): [] handle_softirqs+0x50c/0x770 [ 38.891452] softirqs last disabled at (1731): [] __irq_exit_rcu+0xc4/0x100 [ 38.892724] ---[ end trace 0000000000000000 ]--- Debian GNU/Linux 11 syzkaller ttyS0 syzkaller login: [ 42.304049] ------------[ cut here ]------------ [ 42.304965] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.307106] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/241 [ 42.308610] Modules linked in: [ 42.309244] CPU: 0 UID: 104 PID: 241 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 42.311469] Tainted: [W]=WARN [ 42.312401] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.313913] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.314875] Code: e0 ad 11 00 81 e6 1f 52 ee ff 89 4c 24 40 89 74 24 30 90 48 c7 c7 40 38 f1 84 4c 8d 44 24 40 48 8d 54 24 30 e8 30 7b 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 [ 42.318414] RSP: 0018:ffff88801bc5fbc0 EFLAGS: 00010286 [ 42.319519] RAX: 0000000000000000 RBX: ffffed100378bf78 RCX: ffffffff813a4050 [ 42.320950] RDX: ffff888017148000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.322393] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed100378bf2f [ 42.323812] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.325239] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801bc5fdf8 [ 42.326705] FS: 00007fbc7e4a5900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 42.328274] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.329360] CR2: 00007fbc7e997580 CR3: 000000001f233000 CR4: 0000000000350ef0 [ 42.330661] Call Trace: [ 42.331117] [ 42.331516] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.332404] ? __create_object+0x59/0x80 [ 42.333264] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.334344] __vmalloc_noprof+0x59/0x60 [ 42.335165] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.336136] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.337176] bpf_prog_alloc+0x39/0x200 [ 42.337977] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.338997] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.339903] do_seccomp+0x349/0x25e0 [ 42.340573] ? __pfx_css_rstat_updated+0x10/0x10 [ 42.341494] ? __pfx_do_seccomp+0x10/0x10 [ 42.342279] ? find_held_lock+0x2b/0x80 [ 42.343008] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.343946] ? static_key_count+0x60/0x80 [ 42.344742] prctl_set_seccomp+0x4e/0x70 [ 42.345467] __do_sys_prctl+0xe6c/0x1d70 [ 42.346226] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.347080] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.348023] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.348969] ? irqentry_exit+0xf3/0x650 [ 42.349730] do_syscall_64+0xbf/0x430 [ 42.350415] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.351369] RIP: 0033:0x7fbc7e9975cd [ 42.352061] 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 [ 42.355298] RSP: 002b:00007ffec7a44450 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.356850] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fbc7e9975cd [ 42.358221] RDX: 000055fc80220e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.359611] RBP: 00007ffec7a444b0 R08: 0000000000000000 R09: 00007ffec7a43b50 [ 42.361156] R10: 0000000000000000 R11: 0000000000000246 R12: 000055fca4493ad0 [ 42.362646] R13: 00007ffec7a448e0 R14: 000055fca4494bc0 R15: 000055fca44a5780 [ 42.364046] [ 42.364525] irq event stamp: 1853 [ 42.365222] hardirqs last enabled at (1863): [] __up_console_sem+0x78/0x80 [ 42.366883] hardirqs last disabled at (1872): [] __up_console_sem+0x5d/0x80 [ 42.368466] softirqs last enabled at (1814): [] handle_softirqs+0x50c/0x770 [ 42.370037] softirqs last disabled at (1799): [] __irq_exit_rcu+0xc4/0x100 [ 42.371461] ---[ end trace 0000000000000000 ]--- [ 43.228227] ------------[ cut here ]------------ [ 43.229008] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 43.230727] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/249 [ 43.231956] Modules linked in: [ 43.232462] CPU: 1 UID: 104 PID: 249 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 43.234382] Tainted: [W]=WARN [ 43.234975] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 43.236225] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 43.237006] Code: e0 ad 11 00 81 e6 1f 52 ee ff 89 4c 24 40 89 74 24 30 90 48 c7 c7 40 38 f1 84 4c 8d 44 24 40 48 8d 54 24 30 e8 30 7b 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 [ 43.239675] RSP: 0018:ffff88801a577bc0 EFLAGS: 00010286 [ 43.240469] RAX: 0000000000000000 RBX: ffffed10034aef78 RCX: ffffffff813a4050 [ 43.241562] RDX: ffff88800f6d8000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 43.242644] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed10034aef2f [ 43.243736] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 43.244829] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801a577df8 [ 43.245929] FS: 00007fb3c506c900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 43.247137] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 43.248051] CR2: 00007ffd352aeef8 CR3: 000000001f3a6000 CR4: 0000000000350ef0 [ 43.249135] Call Trace: [ 43.249549] [ 43.249936] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 43.250697] ? __create_object+0x59/0x80 [ 43.251331] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 43.252138] __vmalloc_noprof+0x59/0x60 [ 43.252778] bpf_prog_alloc_no_stats+0x55/0x470 [ 43.253499] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.254285] bpf_prog_alloc+0x39/0x200 [ 43.254893] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.255687] bpf_prog_create_from_user+0xb2/0x2f0 [ 43.256426] do_seccomp+0x349/0x25e0 [ 43.257021] ? find_held_lock+0x2b/0x80 [ 43.257674] ? do_prlimit+0x310/0x610 [ 43.258258] ? __pfx_do_seccomp+0x10/0x10 [ 43.258939] ? do_raw_spin_unlock+0x53/0x220 [ 43.259612] ? _raw_spin_unlock+0x1e/0x40 [ 43.260263] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 43.261073] ? static_key_count+0x60/0x80 [ 43.261752] prctl_set_seccomp+0x4e/0x70 [ 43.262376] __do_sys_prctl+0xe6c/0x1d70 [ 43.263025] ? __pfx___do_sys_prctl+0x10/0x10 [ 43.263758] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 43.264535] ? irqentry_exit+0xf3/0x650 [ 43.265171] do_syscall_64+0xbf/0x430 [ 43.265809] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 43.266575] RIP: 0033:0x7fb3c555e5cd [ 43.267161] 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 [ 43.269867] RSP: 002b:00007ffd352ac410 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 43.271013] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fb3c555e5cd [ 43.272106] RDX: 00005625495c1e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 43.273179] RBP: 00007ffd352ac470 R08: 0000000000000000 R09: 00007ffd352abb10 [ 43.274286] R10: 0000000000000000 R11: 0000000000000246 R12: 000056258725cbf0 [ 43.275383] R13: 00007ffd352ac8a0 R14: 0000562587266380 R15: 0000562587271460 [ 43.276479] [ 43.276868] irq event stamp: 1771 [ 43.277397] hardirqs last enabled at (1779): [] __up_console_sem+0x78/0x80 [ 43.278664] hardirqs last disabled at (1788): [] __up_console_sem+0x5d/0x80 [ 43.279942] softirqs last enabled at (1306): [] handle_softirqs+0x50c/0x770 [ 43.281236] softirqs last disabled at (1281): [] __irq_exit_rcu+0xc4/0x100 [ 43.282554] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:15340' (ECDSA) to the list of known hosts. 2025/11/18 15:15:27 fuzzer started 2025/11/18 15:15:28 dialing manager at localhost:34383 2025/11/18 15:15:28 checking machine... 2025/11/18 15:15:28 checking revisions... [ 44.184684] kmemleak: Automatic memory scanning thread ended 2025/11/18 15:15:28 testing simple program... [ 44.284374] cgroup: Unknown subsys name 'net' [ 44.331500] cgroup: Unknown subsys name 'cpuset' [ 44.346907] cgroup: Unknown subsys name 'rlimit' executing program executing program VM DIAGNOSIS: 15:15:27 Registers: info registers vcpu 0 RAX=ffff88800f881bc0 RBX=ffff88800f6ef600 RCX=ffff88800f6ef600 RDX=0000000000000070 RSI=0000000000000000 RDI=ffff88800f6ef568 RBP=ffff88800f881bc0 RSP=ffff88800f6ef500 R8 =0000000000000001 R9 =0000000000000000 R10=ffff88800d976460 R11=0000000000000001 R12=0000000000000070 R13=0000000000000000 R14=ffff88800f881bc0 R15=ffff88800f6ef568 RIP=ffffffff81b2e00e RFL=00000296 [--S-AP-] 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 00007efef8e1f900 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe0b00000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f771829a230 CR3=000000000d1ef000 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=ffffffffffffffffffffffffffffffff XMM01=30306234386136303638616663356134 XMM02=38303062343861363036386166633561 XMM03=2f6c616e72756f6a2f676f6c2f6e7572 XMM04=7ef58d43a83eeef600000000000ae988 XMM05=dc2f34369ba248f40000000000320e00 XMM06=d96330e2d2db8632000000000031fc98 XMM07=00000000000000000000000000000000 XMM08=415453454d49545f454d49544c414552 XMM09=00000000000000000000000000000000 XMM10=20200000000020202020202020200000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=0000000000000001 RBX=0000000000000001 RCX=4b952e4da9267483 RDX=00000000915d54c6 RSI=000000005e406224 RDI=0000000000104185 RBP=ffff88801730f9b8 RSP=ffff88801730f8e0 R8 =0000000000000001 R9 =0000000000000000 R10=0000000000000001 R11=0000000000000001 R12=0000000000000000 R13=ffff88801730f9a8 R14=ffff88801826b780 R15=ffff88801730f960 RIP=ffffffff84c721be 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 00007fbc7e4a5900 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=00007ffec7a3e000 CR3=000000001f2eb000 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=635f6e6f69737365733a4d41503d706f XMM01=6f6c5f6d61702c78756e696c65735f6d XMM02=61702c74696d7265705f6d61702c7469 XMM03=655f6d61702c7374696d696c5f6d6170 XMM04=3d6c616e696d72657420322e322e302e XMM05=3d656d616e74736f682022646873732f XMM06=746f6f72223d746363612078756e696c XMM07=6e655f6d61702c7374696d696c5f6d61 XMM08=652075253d64692073253d706f000000 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000