[ 39.326387] ------------[ cut here ]------------ [ 39.327147] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 39.328862] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/232 [ 39.330069] Modules linked in: [ 39.330558] CPU: 1 UID: 104 PID: 232 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 39.332186] Tainted: [W]=WARN [ 39.332639] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 39.333867] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 39.334591] 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 [ 39.337242] RSP: 0018:ffff888013d7fbc0 EFLAGS: 00010286 [ 39.338074] RAX: 0000000000000000 RBX: ffffed10027aff78 RCX: ffffffff813a4050 [ 39.339129] RDX: ffff888016865340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 39.340175] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed10027aff2f [ 39.341232] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 39.342311] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888013d7fdf8 [ 39.343368] FS: 00007f0ddfd82900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 39.344544] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 39.345422] CR2: 00007f0de0274580 CR3: 0000000017771000 CR4: 0000000000350ef0 [ 39.346496] Call Trace: [ 39.346917] [ 39.347262] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 39.347992] ? __create_object+0x59/0x80 [ 39.348603] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.349403] __vmalloc_noprof+0x59/0x60 [ 39.350038] bpf_prog_alloc_no_stats+0x55/0x470 [ 39.350724] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.351482] bpf_prog_alloc+0x39/0x200 [ 39.352078] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.352803] bpf_prog_create_from_user+0xb2/0x2f0 [ 39.353554] do_seccomp+0x349/0x25e0 [ 39.354159] ? __pfx_css_rstat_updated+0x10/0x10 [ 39.354917] ? __pfx_do_seccomp+0x10/0x10 [ 39.355529] ? find_held_lock+0x2b/0x80 [ 39.356146] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 39.356955] ? static_key_count+0x60/0x80 [ 39.357592] prctl_set_seccomp+0x4e/0x70 [ 39.358247] __do_sys_prctl+0xe6c/0x1d70 [ 39.358895] ? __pfx___do_sys_prctl+0x10/0x10 [ 39.359569] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.360360] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 39.361181] ? irqentry_exit+0xf3/0x650 [ 39.361855] do_syscall_64+0xbf/0x430 [ 39.362436] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 39.363222] RIP: 0033:0x7f0de02745cd [ 39.363770] 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 [ 39.366410] RSP: 002b:00007ffc894d7df0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 39.367545] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f0de02745cd [ 39.368618] RDX: 000055e7754cce00 RSI: 0000000000000002 RDI: 0000000000000016 [ 39.369689] RBP: 00007ffc894d7e50 R08: 0000000000000000 R09: 00007ffc894d74f0 [ 39.370739] R10: 0000000000000000 R11: 0000000000000246 R12: 000055e79b675240 [ 39.371801] R13: 00007ffc894d8280 R14: 000055e79b674bf0 R15: 000055e79b6894d0 [ 39.372889] [ 39.373239] irq event stamp: 1881 [ 39.373747] hardirqs last enabled at (1889): [] __up_console_sem+0x78/0x80 [ 39.374999] hardirqs last disabled at (1898): [] __up_console_sem+0x5d/0x80 [ 39.376258] softirqs last enabled at (1828): [] handle_softirqs+0x50c/0x770 [ 39.377555] softirqs last disabled at (1821): [] __irq_exit_rcu+0xc4/0x100 [ 39.378828] ---[ end trace 0000000000000000 ]--- Debian GNU/Linux 11 syzkaller ttyS0 syzkaller login: [ 42.789074] ------------[ cut here ]------------ [ 42.790016] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.792062] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/241 [ 42.793503] Modules linked in: [ 42.794128] CPU: 0 UID: 104 PID: 241 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 42.796306] Tainted: [W]=WARN [ 42.796969] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.798472] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.799377] 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 [ 42.802559] RSP: 0018:ffff888016f47bc0 EFLAGS: 00010286 [ 42.803540] RAX: 0000000000000000 RBX: ffffed1002de8f78 RCX: ffffffff813a4050 [ 42.804834] RDX: ffff88800f8e1bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.806136] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002de8f2f [ 42.807418] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.808694] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888016f47df8 [ 42.810002] FS: 00007faaee6e8900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 42.811442] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.812501] CR2: 00007ffdf595aef7 CR3: 000000000fd78000 CR4: 0000000000350ef0 [ 42.813798] Call Trace: [ 42.814289] [ 42.814700] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.815609] ? __create_object+0x59/0x80 [ 42.816393] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.817403] __vmalloc_noprof+0x59/0x60 [ 42.818167] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.819032] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.819979] bpf_prog_alloc+0x39/0x200 [ 42.820670] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.821603] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.822501] do_seccomp+0x349/0x25e0 [ 42.823219] ? find_held_lock+0x2b/0x80 [ 42.823990] ? do_prlimit+0x310/0x610 [ 42.824703] ? __pfx_do_seccomp+0x10/0x10 [ 42.825512] ? do_raw_spin_unlock+0x53/0x220 [ 42.826338] ? _raw_spin_unlock+0x1e/0x40 [ 42.827129] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.828098] ? static_key_count+0x60/0x80 [ 42.828901] prctl_set_seccomp+0x4e/0x70 [ 42.829651] __do_sys_prctl+0xe6c/0x1d70 [ 42.830452] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.831303] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.832278] ? irqentry_exit+0xf3/0x650 [ 42.833051] do_syscall_64+0xbf/0x430 [ 42.833768] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.834723] RIP: 0033:0x7faaeebda5cd [ 42.835405] 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 [ 42.838608] RSP: 002b:00007ffdf5958580 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.839983] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007faaeebda5cd [ 42.841261] RDX: 0000556f28e8ce00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.842592] RBP: 00007ffdf59585e0 R08: 0000000000000000 R09: 00007ffdf5957c80 [ 42.843879] R10: 0000000000000000 R11: 0000000000000246 R12: 0000556f3db0e240 [ 42.845159] R13: 00007ffdf5958a10 R14: 0000556f3db0dbf0 R15: 0000556f3db224d0 [ 42.846471] [ 42.846946] irq event stamp: 1803 [ 42.847551] hardirqs last enabled at (1811): [] __up_console_sem+0x78/0x80 [ 42.849085] hardirqs last disabled at (1820): [] __up_console_sem+0x5d/0x80 [ 42.850651] softirqs last enabled at (1740): [] handle_softirqs+0x50c/0x770 [ 42.852226] softirqs last disabled at (1735): [] __irq_exit_rcu+0xc4/0x100 [ 42.853797] ---[ end trace 0000000000000000 ]--- [ 43.702246] ------------[ cut here ]------------ [ 43.703377] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 43.705932] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/249 [ 43.707676] Modules linked in: [ 43.708399] CPU: 0 UID: 104 PID: 249 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 43.710649] Tainted: [W]=WARN [ 43.711322] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 43.713190] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 43.714344] 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 [ 43.718196] RSP: 0018:ffff888016ca7bc0 EFLAGS: 00010286 [ 43.719377] RAX: 0000000000000000 RBX: ffffed1002d94f78 RCX: ffffffff813a4050 [ 43.720666] RDX: ffff888017123780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 43.721960] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002d94f2f [ 43.723250] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 43.724520] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888016ca7df8 [ 43.725844] FS: 00007f1b37d69900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 43.727290] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 43.728359] CR2: 00007ffee9266ef7 CR3: 0000000020f6b000 CR4: 0000000000350ef0 [ 43.729651] Call Trace: [ 43.730245] [ 43.730721] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 43.731763] ? __create_object+0x59/0x80 [ 43.732650] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 43.733791] __vmalloc_noprof+0x59/0x60 [ 43.734651] bpf_prog_alloc_no_stats+0x55/0x470 [ 43.735673] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.736766] bpf_prog_alloc+0x39/0x200 [ 43.737647] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.738736] bpf_prog_create_from_user+0xb2/0x2f0 [ 43.739797] do_seccomp+0x349/0x25e0 [ 43.740609] ? find_held_lock+0x2b/0x80 [ 43.741513] ? do_prlimit+0x310/0x610 [ 43.742393] ? __pfx_do_seccomp+0x10/0x10 [ 43.743323] ? do_raw_spin_unlock+0x53/0x220 [ 43.744297] ? _raw_spin_unlock+0x1e/0x40 [ 43.745214] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 43.746348] ? static_key_count+0x60/0x80 [ 43.747264] prctl_set_seccomp+0x4e/0x70 [ 43.748164] __do_sys_prctl+0xe6c/0x1d70 [ 43.749070] ? __pfx___do_sys_prctl+0x10/0x10 [ 43.750096] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 43.751225] ? irqentry_exit+0xf3/0x650 [ 43.752114] do_syscall_64+0xbf/0x430 [ 43.752979] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 43.754098] RIP: 0033:0x7f1b3825b5cd [ 43.754928] 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 [ 43.758620] RSP: 002b:00007ffee9264310 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 43.760199] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f1b3825b5cd [ 43.761690] RDX: 00005646294d7e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 43.762983] RBP: 00007ffee9264370 R08: 0000000000000000 R09: 00007ffee9263a10 [ 43.764214] R10: 0000000000000000 R11: 0000000000000246 R12: 000056464e983ad0 [ 43.765474] R13: 00007ffee92647a0 R14: 000056464e984bc0 R15: 000056464e995780 [ 43.766766] [ 43.767246] irq event stamp: 1759 [ 43.767916] hardirqs last enabled at (1769): [] __up_console_sem+0x78/0x80 [ 43.769415] hardirqs last disabled at (1778): [] __up_console_sem+0x5d/0x80 [ 43.770965] softirqs last enabled at (1550): [] handle_softirqs+0x50c/0x770 [ 43.772483] softirqs last disabled at (1545): [] __irq_exit_rcu+0xc4/0x100 [ 43.773975] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:17582' (ECDSA) to the list of known hosts. 2025/11/17 15:24:19 fuzzer started 2025/11/17 15:24:19 dialing manager at localhost:37895 2025/11/17 15:24:19 checking machine... 2025/11/17 15:24:19 checking revisions... [ 44.793706] kmemleak: Automatic memory scanning thread ended 2025/11/17 15:24:19 testing simple program... [ 44.881924] cgroup: Unknown subsys name 'net' [ 44.947088] cgroup: Unknown subsys name 'cpuset' [ 44.960682] cgroup: Unknown subsys name 'rlimit' executing program executing program VM DIAGNOSIS: 15:24:18 Registers: info registers vcpu 0 RAX=dffffc0000000000 RBX=ffff8880e538f000 RCX=0000000000000001 RDX=0000000000000000 RSI=ffff888016e6fdd0 RDI=ffff88806ce31cd0 RBP=ffff888016e68000 RSP=ffff888016e6f808 R8 =0000000000000001 R9 =ffff888016e6f8c8 R10=000000000003c9ed R11=00000000000294eb R12=ffff888016e6f801 R13=ffff888016e6f8d0 R14=ffff888016e6fdd0 R15=ffff888016e6f888 RIP=ffffffff815bcfa0 RFL=00000216 [----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 00007faaee6e8900 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe5a00000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007faaeeca00b0 CR3=000000000fd23000 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=25252525252525252525252525252525 XMM01=000000000000000000000000000000ff XMM02=000000000000000000000000000000ff XMM03=5320444f4854454d5f54505952434e45 XMM04=40404040404040404040404040404040 XMM05=5a5a5a5a5a5a5a5a5a5a5a5a5a5a5a5a XMM06=20202020202020202020202020202020 XMM07=00000000000000000000000000000000 XMM08=662079726f6d656d20666f2074756f00 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=ffffea00001d5140 RBX=ffffea00001d5140 RCX=ffffffff81a4ff19 RDX=0000000000000000 RSI=0000000000000008 RDI=ffffea00001d5140 RBP=ffffea00001d5140 RSP=ffff888016e1fa88 R8 =00007fd33f3b0000 R9 =fffff9400003aa28 R10=0000000000000000 R11=0000000000000001 R12=0000000000000001 R13=ffff8880091617c8 R14=0000000000000001 R15=ffffea00001d5170 RIP=ffffffff81b2cf12 RFL=00000202 [-------] 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 =0000 0000000000000000 00000000 00000000 DS =0000 0000000000000000 00000000 00000000 FS =0000 00007fd33eb6f900 00000000 00000000 GS =0000 ffff8880e548f000 00000000 00000000 LDT=0000 fffffe4c00000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007fd33f3b0520 CR3=000000000a1a8000 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=6977336d7300336d732d61737200336d XMM01=636e6561737268746977336d7300336d XMM02=ff000000000100000000000000000000 XMM03=532d41535200336d7300656d65686373 XMM04=40404040404040404040404040404040 XMM05=5a5a5a5a5a5a5a5a5a5a5a5a5a5a5a5a XMM06=20202020202020202020202020202020 XMM07=ffff00ffff0000ffff00ffffff0000ff XMM08=00200000000000202000202020000000 XMM09=ffffffffffffffffffff00ffff0000ff XMM10=00002020202000000020000000000020 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000