[ 38.886099] ------------[ cut here ]------------ [ 38.887012] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 38.889055] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/234 [ 38.890529] Modules linked in: [ 38.891170] CPU: 0 UID: 104 PID: 234 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 38.893386] Tainted: [W]=WARN [ 38.894480] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 38.895970] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 38.896834] 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 [ 38.900009] RSP: 0018:ffff88801a57fbc0 EFLAGS: 00010286 [ 38.900983] RAX: 0000000000000000 RBX: ffffed10034aff78 RCX: ffffffff813a4050 [ 38.902272] RDX: ffff888015c23780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 38.903559] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed10034aff2f [ 38.904831] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 38.906129] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801a57fdf8 [ 38.907425] FS: 00007f3a6dbdb900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 38.908867] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 38.909936] CR2: 00007f3a6e1414a6 CR3: 000000001686d000 CR4: 0000000000350ef0 [ 38.911239] Call Trace: [ 38.911703] [ 38.912167] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 38.913054] ? __create_object+0x59/0x80 [ 38.913777] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 38.914752] __vmalloc_noprof+0x59/0x60 [ 38.915500] bpf_prog_alloc_no_stats+0x55/0x470 [ 38.916358] ? __pfx_seccomp_check_filter+0x10/0x10 [ 38.917292] bpf_prog_alloc+0x39/0x200 [ 38.918026] ? __pfx_seccomp_check_filter+0x10/0x10 [ 38.918950] bpf_prog_create_from_user+0xb2/0x2f0 [ 38.919796] do_seccomp+0x349/0x25e0 [ 38.920515] ? find_held_lock+0x2b/0x80 [ 38.921287] ? do_prlimit+0x310/0x610 [ 38.922022] ? __pfx_do_seccomp+0x10/0x10 [ 38.922775] ? do_raw_spin_unlock+0x53/0x220 [ 38.923607] ? _raw_spin_unlock+0x1e/0x40 [ 38.924367] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 38.925338] ? static_key_count+0x60/0x80 [ 38.926162] prctl_set_seccomp+0x4e/0x70 [ 38.926952] __do_sys_prctl+0xe6c/0x1d70 [ 38.927688] ? __pfx___do_sys_prctl+0x10/0x10 [ 38.928543] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 38.929506] ? irqentry_exit+0xf3/0x650 [ 38.930277] do_syscall_64+0xbf/0x430 [ 38.931032] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 38.931995] RIP: 0033:0x7f3a6e0cd5cd [ 38.932644] 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 [ 38.935819] RSP: 002b:00007ffd154b6040 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 38.937171] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f3a6e0cd5cd [ 38.938463] RDX: 000055e01ba6ae00 RSI: 0000000000000002 RDI: 0000000000000016 [ 38.939746] RBP: 00007ffd154b60a0 R08: 0000000000000000 R09: 00007ffd154b5740 [ 38.941026] R10: 0000000000000000 R11: 0000000000000246 R12: 000055e022005ad0 [ 38.942323] R13: 00007ffd154b64d0 R14: 000055e022006bc0 R15: 000055e022017780 [ 38.943617] [ 38.944074] irq event stamp: 1875 [ 38.944683] hardirqs last enabled at (1883): [] __up_console_sem+0x78/0x80 [ 38.946210] hardirqs last disabled at (1892): [] __up_console_sem+0x5d/0x80 [ 38.947540] softirqs last enabled at (1768): [] handle_softirqs+0x50c/0x770 [ 38.948793] softirqs last disabled at (1763): [] __irq_exit_rcu+0xc4/0x100 [ 38.950013] ---[ end trace 0000000000000000 ]--- Debian GNU/Linux 11 syzkaller ttyS0 syzkaller login: [ 41.667444] ------------[ cut here ]------------ [ 41.668230] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 41.669985] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/242 [ 41.671420] Modules linked in: [ 41.672029] CPU: 1 UID: 104 PID: 242 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 41.673705] Tainted: [W]=WARN [ 41.674230] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 41.675487] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 41.676268] 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 [ 41.678989] RSP: 0018:ffff8880176a7bc0 EFLAGS: 00010286 [ 41.679776] RAX: 0000000000000000 RBX: ffffed1002ed4f78 RCX: ffffffff813a4050 [ 41.680855] RDX: ffff88801615d340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 41.681942] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002ed4f2f [ 41.683065] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000400dc0 [ 41.684142] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff8880176a7df8 [ 41.685232] FS: 00007fcc8657f900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 41.686483] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 41.687399] CR2: 00007ffe0fbd9ef7 CR3: 000000000cc4b000 CR4: 0000000000350ef0 [ 41.688504] Call Trace: [ 41.688946] [ 41.689291] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 41.690062] ? __create_object+0x59/0x80 [ 41.690722] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 41.691552] __vmalloc_noprof+0x59/0x60 [ 41.692218] bpf_prog_alloc_no_stats+0x55/0x470 [ 41.692980] ? __pfx_seccomp_check_filter+0x10/0x10 [ 41.693737] bpf_prog_alloc+0x39/0x200 [ 41.694370] ? __pfx_seccomp_check_filter+0x10/0x10 [ 41.695189] bpf_prog_create_from_user+0xb2/0x2f0 [ 41.695965] do_seccomp+0x349/0x25e0 [ 41.696551] ? find_held_lock+0x2b/0x80 [ 41.697198] ? do_prlimit+0x310/0x610 [ 41.697801] ? __pfx_do_seccomp+0x10/0x10 [ 41.698490] ? do_raw_spin_unlock+0x53/0x220 [ 41.699233] ? _raw_spin_unlock+0x1e/0x40 [ 41.699888] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 41.700963] ? static_key_count+0x60/0x80 [ 41.701765] prctl_set_seccomp+0x4e/0x70 [ 41.702613] __do_sys_prctl+0xe6c/0x1d70 [ 41.703449] ? __pfx___do_sys_prctl+0x10/0x10 [ 41.704361] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 41.705383] ? irqentry_exit+0xf3/0x650 [ 41.706079] do_syscall_64+0xbf/0x430 [ 41.706725] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 41.707534] RIP: 0033:0x7fcc86a715cd [ 41.708142] 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 [ 41.710836] RSP: 002b:00007ffe0fbd8510 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 41.711998] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fcc86a715cd [ 41.713089] RDX: 000055c9c3843e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 41.714180] RBP: 00007ffe0fbd8570 R08: 0000000000000000 R09: 00007ffe0fbd7c10 [ 41.715283] R10: 0000000000000000 R11: 0000000000000246 R12: 000055c9def04b10 [ 41.716373] R13: 00007ffe0fbd89a0 R14: 000055c9def052b0 R15: 000055c9def196f0 [ 41.717468] [ 41.717839] irq event stamp: 1823 [ 41.718412] hardirqs last enabled at (1833): [] __up_console_sem+0x78/0x80 [ 41.719719] hardirqs last disabled at (1842): [] __up_console_sem+0x5d/0x80 [ 41.721002] softirqs last enabled at (1762): [] handle_softirqs+0x50c/0x770 [ 41.722340] softirqs last disabled at (1757): [] __irq_exit_rcu+0xc4/0x100 [ 41.723641] ---[ end trace 0000000000000000 ]--- [ 42.487851] ------------[ cut here ]------------ [ 42.488860] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.491105] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/249 [ 42.492666] Modules linked in: [ 42.493337] CPU: 1 UID: 104 PID: 249 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 42.495451] Tainted: [W]=WARN [ 42.496086] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.497638] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.498615] 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 [ 42.501955] RSP: 0018:ffff88801c1cfbc0 EFLAGS: 00010286 [ 42.503030] RAX: 0000000000000000 RBX: ffffed1003839f78 RCX: ffffffff813a4050 [ 42.504386] RDX: ffff8880170cb780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.505735] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1003839f2f [ 42.507105] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.508453] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801c1cfdf8 [ 42.509803] FS: 00007fd916dc8900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 42.511323] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.512445] CR2: 00007fd91732e4a6 CR3: 0000000020425000 CR4: 0000000000350ef0 [ 42.513781] Call Trace: [ 42.514307] [ 42.514733] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.515674] ? __create_object+0x59/0x80 [ 42.516492] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.517500] __vmalloc_noprof+0x59/0x60 [ 42.518302] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.519210] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.520186] bpf_prog_alloc+0x39/0x200 [ 42.520957] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.521869] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.522830] do_seccomp+0x349/0x25e0 [ 42.523589] ? find_held_lock+0x2b/0x80 [ 42.524384] ? do_prlimit+0x310/0x610 [ 42.525161] ? __pfx_do_seccomp+0x10/0x10 [ 42.525989] ? do_raw_spin_unlock+0x53/0x220 [ 42.526808] ? _raw_spin_unlock+0x1e/0x40 [ 42.527616] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.528619] ? static_key_count+0x60/0x80 [ 42.529441] prctl_set_seccomp+0x4e/0x70 [ 42.530254] __do_sys_prctl+0xe6c/0x1d70 [ 42.531054] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.531885] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.532881] ? irqentry_exit+0xf3/0x650 [ 42.533670] do_syscall_64+0xbf/0x430 [ 42.534460] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.535455] RIP: 0033:0x7fd9172ba5cd [ 42.536173] 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 [ 42.539440] RSP: 002b:00007ffef73f8f00 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.540832] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fd9172ba5cd [ 42.542173] RDX: 000055ecff8dde00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.543502] RBP: 00007ffef73f8f60 R08: 0000000000000000 R09: 00007ffef73f8600 [ 42.544808] R10: 0000000000000000 R11: 0000000000000246 R12: 000055ed0f70e240 [ 42.546130] R13: 00007ffef73f9390 R14: 000055ed0f70dbf0 R15: 000055ed0f7224d0 [ 42.547299] [ 42.547656] irq event stamp: 1727 [ 42.548216] hardirqs last enabled at (1737): [] __up_console_sem+0x78/0x80 [ 42.549503] hardirqs last disabled at (1746): [] __up_console_sem+0x5d/0x80 [ 42.550792] softirqs last enabled at (1620): [] handle_softirqs+0x50c/0x770 [ 42.552106] softirqs last disabled at (1615): [] __irq_exit_rcu+0xc4/0x100 [ 42.553387] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:36458' (ECDSA) to the list of known hosts. 2025/11/17 17:22:24 fuzzer started 2025/11/17 17:22:24 dialing manager at localhost:37895 2025/11/17 17:22:24 checking machine... 2025/11/17 17:22:24 checking revisions... [ 43.499849] kmemleak: Automatic memory scanning thread ended 2025/11/17 17:22:24 testing simple program... [ 43.585445] cgroup: Unknown subsys name 'net' [ 43.648988] cgroup: Unknown subsys name 'cpuset' [ 43.664012] cgroup: Unknown subsys name 'rlimit' executing program executing program VM DIAGNOSIS: 17:22:23 Registers: info registers vcpu 0 RAX=0000000080000000 RBX=0000000000000001 RCX=ffffffff83c7edd1 RDX=0000000000000001 RSI=0000000000000000 RDI=0000000000000001 RBP=0000000000000000 RSP=ffff888015d8f998 R8 =0000000000000000 R9 =ffffed100152d00c R10=0000000000000001 R11=ffff88806ce37498 R12=ffff88800a968180 R13=ffff888009137900 R14=ffff88800a968000 R15=000000000000004e RIP=ffffffff817515ca 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 00007fb9b7d93900 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe7c00000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007fb9b74aa000 CR3=000000000db84000 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=756f6a2f646d65747379732f6e75722f XMM01=00676f6c7379732f6c616e72756f6a2f XMM02=756f6a2f646d65747379732f6e75722f XMM03=006c616e72756f6a2f646d6574737973 XMM04=3d3e03d62e64b77200000000000ae988 XMM05=e53de9bfc51e0b4f0000000000320e98 XMM06=6447914eac54b920000000000031ff40 XMM07=fb795ef6d6577056000000000030f4d8 XMM08=4f5453444600273d67736d000d0a0920 XMM09=00000000000000000000000000000000 XMM10=20200000000020202020202020200000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=0000000021173847 RBX=00000000bcc95dd6 RCX=000000003ff3b387 RDX=0000000000000008 RSI=ffff88801820fc38 RDI=0000000000000004 RBP=0000000000000001 RSP=ffff88801820fba0 R8 =00000000dc7b401e R9 =0000000000000000 R10=0000000000000001 R11=0000000000000001 R12=0000000000000000 R13=0000000000002800 R14=ffff88801820fc08 R15=0000000000000008 RIP=ffffffff826423f8 RFL=00000a06 [-O---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 00007fcc8657f900 00000000 00000000 GS =0000 ffff8880e548f000 00000000 00000000 LDT=0000 fffffe5a00000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007ffe0fbd2000 CR3=000000001fefc000 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