[ 38.867173] ------------[ cut here ]------------ [ 38.867795] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 38.869139] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/232 [ 38.870057] Modules linked in: [ 38.870431] CPU: 1 UID: 104 PID: 232 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 38.871685] Tainted: [W]=WARN [ 38.872042] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 38.873087] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 38.873618] 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 [ 38.875580] RSP: 0018:ffff888018997bc0 EFLAGS: 00010286 [ 38.876197] RAX: 0000000000000000 RBX: ffffed1003132f78 RCX: ffffffff813a4050 [ 38.876989] RDX: ffff8880167d8000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 38.877774] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1003132f2f [ 38.878531] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 38.879314] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888018997df8 [ 38.880107] FS: 00007fd735e73900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 38.880988] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 38.881610] CR2: 00007fd736365580 CR3: 000000001be0b000 CR4: 0000000000350ef0 [ 38.882399] Call Trace: [ 38.882705] [ 38.882961] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 38.883484] ? __create_object+0x59/0x80 [ 38.883965] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 38.884535] __vmalloc_noprof+0x59/0x60 [ 38.885002] bpf_prog_alloc_no_stats+0x55/0x470 [ 38.885512] ? __pfx_seccomp_check_filter+0x10/0x10 [ 38.886082] bpf_prog_alloc+0x39/0x200 [ 38.886512] ? __pfx_seccomp_check_filter+0x10/0x10 [ 38.887078] bpf_prog_create_from_user+0xb2/0x2f0 [ 38.887605] do_seccomp+0x349/0x25e0 [ 38.888058] ? __pfx_css_rstat_updated+0x10/0x10 [ 38.888584] ? __pfx_do_seccomp+0x10/0x10 [ 38.889063] ? find_held_lock+0x2b/0x80 [ 38.889507] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 38.890094] ? static_key_count+0x60/0x80 [ 38.890561] prctl_set_seccomp+0x4e/0x70 [ 38.891030] __do_sys_prctl+0xe6c/0x1d70 [ 38.891486] ? __pfx___do_sys_prctl+0x10/0x10 [ 38.892014] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 38.892579] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 38.893167] ? irqentry_exit+0xf3/0x650 [ 38.893612] do_syscall_64+0xbf/0x430 [ 38.894062] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 38.894617] RIP: 0033:0x7fd7363655cd [ 38.895046] 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 [ 38.896992] RSP: 002b:00007ffc550418a0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 38.897836] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fd7363655cd [ 38.898592] RDX: 000056192b2ece00 RSI: 0000000000000002 RDI: 0000000000000016 [ 38.899380] RBP: 00007ffc55041900 R08: 0000000000000000 R09: 00007ffc55040fa0 [ 38.900173] R10: 0000000000000000 R11: 0000000000000246 R12: 0000561942540ad0 [ 38.900958] R13: 00007ffc55041d30 R14: 0000561942541bc0 R15: 0000561942552780 [ 38.901754] [ 38.902014] irq event stamp: 1697 [ 38.902384] hardirqs last enabled at (1705): [] __up_console_sem+0x78/0x80 [ 38.903324] hardirqs last disabled at (1714): [] __up_console_sem+0x5d/0x80 [ 38.904261] softirqs last enabled at (1224): [] handle_softirqs+0x50c/0x770 [ 38.905203] softirqs last disabled at (1219): [] __irq_exit_rcu+0xc4/0x100 [ 38.906129] ---[ end trace 0000000000000000 ]--- Debian GNU/Linux 11 syzkaller ttyS0 syzkaller login: [ 41.749710] ------------[ cut here ]------------ [ 41.750578] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 41.752790] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/241 [ 41.754218] Modules linked in: [ 41.754859] CPU: 0 UID: 104 PID: 241 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 41.758086] Tainted: [W]=WARN [ 41.758693] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 41.760138] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 41.761019] 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 [ 41.764105] RSP: 0018:ffff888016567bc0 EFLAGS: 00010286 [ 41.765083] RAX: 0000000000000000 RBX: ffffed1002cacf78 RCX: ffffffff813a4050 [ 41.766343] RDX: ffff88800fb71bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 41.767594] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002cacf2f [ 41.768869] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 41.770130] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888016567df8 [ 41.771399] FS: 00007f44a807c900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 41.772827] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 41.773872] CR2: 00007ffd57e53ef8 CR3: 000000001ccc7000 CR4: 0000000000350ef0 [ 41.775138] Call Trace: [ 41.775589] [ 41.776054] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 41.776948] ? __create_object+0x59/0x80 [ 41.777720] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 41.778628] __vmalloc_noprof+0x59/0x60 [ 41.779388] bpf_prog_alloc_no_stats+0x55/0x470 [ 41.780276] ? __pfx_seccomp_check_filter+0x10/0x10 [ 41.781198] bpf_prog_alloc+0x39/0x200 [ 41.781920] ? __pfx_seccomp_check_filter+0x10/0x10 [ 41.782844] bpf_prog_create_from_user+0xb2/0x2f0 [ 41.783743] do_seccomp+0x349/0x25e0 [ 41.784411] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 41.785359] ? irqentry_exit+0x17b/0x650 [ 41.786120] ? trace_irq_disable.constprop.0+0xc2/0x100 [ 41.787100] ? __pfx_do_seccomp+0x10/0x10 [ 41.787899] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 41.788851] ? static_key_count+0x60/0x80 [ 41.789600] prctl_set_seccomp+0x4e/0x70 [ 41.790373] __do_sys_prctl+0xe6c/0x1d70 [ 41.791156] ? __pfx___do_sys_prctl+0x10/0x10 [ 41.792009] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 41.792965] ? irqentry_exit+0xf3/0x650 [ 41.793721] do_syscall_64+0xbf/0x430 [ 41.794403] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 41.795351] RIP: 0033:0x7f44a856e5cd [ 41.796051] 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 [ 41.799140] RSP: 002b:00007ffd57e52200 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 41.800503] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f44a856e5cd [ 41.801767] RDX: 00005631bb054e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 41.803021] RBP: 00007ffd57e52260 R08: 0000000000000000 R09: 00007ffd57e51900 [ 41.804281] R10: 0000000000000000 R11: 0000000000000246 R12: 00005631e9667240 [ 41.805535] R13: 00007ffd57e52690 R14: 00005631e9666bf0 R15: 00005631e967b4d0 [ 41.806812] [ 41.807221] irq event stamp: 2019 [ 41.807875] hardirqs last enabled at (2029): [] __up_console_sem+0x78/0x80 [ 41.809364] hardirqs last disabled at (2038): [] __up_console_sem+0x5d/0x80 [ 41.810853] softirqs last enabled at (1826): [] handle_softirqs+0x50c/0x770 [ 41.812377] softirqs last disabled at (1821): [] __irq_exit_rcu+0xc4/0x100 [ 41.813853] ---[ end trace 0000000000000000 ]--- [ 42.561125] ------------[ cut here ]------------ [ 42.562079] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.564081] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/248 [ 42.565519] Modules linked in: [ 42.566175] CPU: 1 UID: 104 PID: 248 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 42.568146] Tainted: [W]=WARN [ 42.568759] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.570213] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.571115] 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 [ 42.574277] RSP: 0018:ffff888017157bc0 EFLAGS: 00010286 [ 42.575251] RAX: 0000000000000000 RBX: ffffed1002e2af78 RCX: ffffffff813a4050 [ 42.576524] RDX: ffff88800fb73780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.577791] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002e2af2f [ 42.579049] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.580327] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888017157df8 [ 42.581612] FS: 00007fec3a3a7900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 42.583055] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.584111] CR2: 00007ffe59544ef8 CR3: 000000000ce7f000 CR4: 0000000000350ef0 [ 42.585398] Call Trace: [ 42.585909] [ 42.586315] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.587203] ? __create_object+0x59/0x80 [ 42.587996] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.588969] __vmalloc_noprof+0x59/0x60 [ 42.589736] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.590576] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.591517] bpf_prog_alloc+0x39/0x200 [ 42.592261] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.593185] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.594079] do_seccomp+0x349/0x25e0 [ 42.594809] ? find_held_lock+0x2b/0x80 [ 42.595526] ? do_prlimit+0x310/0x610 [ 42.596288] ? __pfx_do_seccomp+0x10/0x10 [ 42.597090] ? do_raw_spin_unlock+0x53/0x220 [ 42.597916] ? _raw_spin_unlock+0x1e/0x40 [ 42.598709] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.599633] ? static_key_count+0x60/0x80 [ 42.600459] prctl_set_seccomp+0x4e/0x70 [ 42.601229] __do_sys_prctl+0xe6c/0x1d70 [ 42.602002] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.602860] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.603827] ? irqentry_exit+0xf3/0x650 [ 42.604546] do_syscall_64+0xbf/0x430 [ 42.605307] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.606269] RIP: 0033:0x7fec3a8995cd [ 42.606973] 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 [ 42.610110] RSP: 002b:00007ffe59543a50 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.611459] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fec3a8995cd [ 42.612759] RDX: 00005615f797fe00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.614036] RBP: 00007ffe59543ab0 R08: 0000000000000000 R09: 00007ffe59543150 [ 42.615311] R10: 0000000000000000 R11: 0000000000000246 R12: 000056160bafdad0 [ 42.616593] R13: 00007ffe59543ee0 R14: 000056160bafebc0 R15: 000056160bb0f780 [ 42.617875] [ 42.618300] irq event stamp: 1765 [ 42.618960] hardirqs last enabled at (1775): [] __up_console_sem+0x78/0x80 [ 42.620508] hardirqs last disabled at (1784): [] __up_console_sem+0x5d/0x80 [ 42.621805] softirqs last enabled at (1494): [] handle_softirqs+0x50c/0x770 [ 42.623086] softirqs last disabled at (1489): [] __irq_exit_rcu+0xc4/0x100 [ 42.624345] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:65220' (ECDSA) to the list of known hosts. 2025/11/17 21:06:27 fuzzer started 2025/11/17 21:06:27 dialing manager at localhost:37895 2025/11/17 21:06:27 checking machine... 2025/11/17 21:06:27 checking revisions... [ 43.505355] kmemleak: Automatic memory scanning thread ended 2025/11/17 21:06:27 testing simple program... [ 43.577984] cgroup: Unknown subsys name 'net' [ 43.639270] cgroup: Unknown subsys name 'cpuset' [ 43.655427] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program VM DIAGNOSIS: 21:06:26 Registers: info registers vcpu 0 RAX=00000000000454db RBX=0000000000000000 RCX=ffffffff84c72d57 RDX=0000000000000000 RSI=0000000000000000 RDI=ffffffff814d2c90 RBP=dffffc0000000000 RSP=ffffffff85c07e00 R8 =0000000000000001 R9 =ffffed100d9c639a R10=ffff88806ce31cd3 R11=0000000000000001 R12=ffffffff8664f650 R13=1ffffffff0b80fc7 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 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe2c00000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f3e278d7000 CR3=000000000c3ef000 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=8b956c7df13a6dacdc4072b1baba739f XMM02=ec2efd57dc4c00df0000000000303f88 XMM03=131c11c10209b1900000000000304058 XMM04=8ae4d814c9529d3b00000000000ae988 XMM05=d96330e2d2db8632000000000031dd88 XMM06=474038aa6c007e1f000000000031dc10 XMM07=e042d86d42eb936e000000000030d568 XMM08=131c11c10209b1900000000000304058 XMM09=00000000000000000000000000000000 XMM10=20200000000020202020202020200000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=ffffffff83c61130 RBX=ffffffff81618fa0 RCX=ffff88801663fa64 RDX=1ffff11002cc7f6d RSI=ffffffff85e1ffe0 RDI=ffffffff83c61130 RBP=ffff88801663fba8 RSP=ffff88801663fb08 R8 =0000000000000001 R9 =ffff88801663fb50 R10=000000000003c9ed R11=00000000000294eb R12=ffff88801663fbd8 R13=0000000000000000 R14=ffff88800fb70000 R15=0000000000000cc0 RIP=ffffffff8135e1da 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 00007f44a807c900 00000000 00000000 GS =0000 ffff8880e548f000 00000000 00000000 LDT=0000 fffffe0b00000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00005631e9668954 CR3=000000000cc48000 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