[ 39.333526] ------------[ cut here ]------------ [ 39.334456] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 39.336503] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/232 [ 39.338162] Modules linked in: [ 39.338860] CPU: 1 UID: 104 PID: 232 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 39.341070] Tainted: [W]=WARN [ 39.341771] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 39.343482] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 39.344528] 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 [ 39.348213] RSP: 0018:ffff88801760fbc0 EFLAGS: 00010286 [ 39.349335] RAX: 0000000000000000 RBX: ffffed1002ec1f78 RCX: ffffffff813a4050 [ 39.350820] RDX: ffff888015c80000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 39.352298] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002ec1f2f [ 39.353767] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 39.355262] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801760fdf8 [ 39.356733] FS: 00007f5b10726900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 39.358383] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 39.359620] CR2: 00007f5b10c18580 CR3: 0000000009a37000 CR4: 0000000000350ef0 [ 39.361102] Call Trace: [ 39.361695] [ 39.362170] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 39.363219] ? __create_object+0x59/0x80 [ 39.364122] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.365234] __vmalloc_noprof+0x59/0x60 [ 39.366085] bpf_prog_alloc_no_stats+0x55/0x470 [ 39.367091] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.368181] bpf_prog_alloc+0x39/0x200 [ 39.369026] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.370086] bpf_prog_create_from_user+0xb2/0x2f0 [ 39.371123] do_seccomp+0x349/0x25e0 [ 39.371989] ? __pfx_css_rstat_updated+0x10/0x10 [ 39.373030] ? __pfx_do_seccomp+0x10/0x10 [ 39.373944] ? find_held_lock+0x2b/0x80 [ 39.374813] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 39.375936] ? static_key_count+0x60/0x80 [ 39.376857] prctl_set_seccomp+0x4e/0x70 [ 39.377746] __do_sys_prctl+0xe6c/0x1d70 [ 39.378643] ? __pfx___do_sys_prctl+0x10/0x10 [ 39.379643] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.380757] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 39.381870] ? irqentry_exit+0xf3/0x650 [ 39.382754] do_syscall_64+0xbf/0x430 [ 39.383619] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 39.384704] RIP: 0033:0x7f5b10c185cd [ 39.385459] 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 [ 39.389110] RSP: 002b:00007ffc93dad860 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 39.390682] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f5b10c185cd [ 39.392060] RDX: 0000556262d9ae00 RSI: 0000000000000002 RDI: 0000000000000016 [ 39.393289] RBP: 00007ffc93dad8c0 R08: 0000000000000000 R09: 00007ffc93dacf60 [ 39.394522] R10: 0000000000000000 R11: 0000000000000246 R12: 0000556265749ad0 [ 39.395765] R13: 00007ffc93dadcf0 R14: 000055626574abc0 R15: 000055626575b780 [ 39.397016] [ 39.397422] irq event stamp: 1805 [ 39.398045] hardirqs last enabled at (1815): [] __up_console_sem+0x78/0x80 [ 39.399517] hardirqs last disabled at (1824): [] __up_console_sem+0x5d/0x80 [ 39.400973] softirqs last enabled at (1710): [] handle_softirqs+0x50c/0x770 [ 39.402447] softirqs last disabled at (1705): [] __irq_exit_rcu+0xc4/0x100 [ 39.403909] ---[ end trace 0000000000000000 ]--- Debian GNU/Linux 11 syzkaller ttyS0 syzkaller login: [ 42.733507] ------------[ cut here ]------------ [ 42.734442] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.736479] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/241 [ 42.737944] Modules linked in: [ 42.738543] CPU: 0 UID: 104 PID: 241 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 42.740822] Tainted: [W]=WARN [ 42.741375] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.742850] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.743810] 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 [ 42.746960] RSP: 0018:ffff88801a167bc0 EFLAGS: 00010286 [ 42.747968] RAX: 0000000000000000 RBX: ffffed100342cf78 RCX: ffffffff813a4050 [ 42.749252] RDX: ffff88800edcd340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.750521] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed100342cf2f [ 42.751828] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.753112] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801a167df8 [ 42.754401] FS: 00007f05d58fd900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 42.755860] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.756909] CR2: 00007ffccb00bef7 CR3: 000000001e7cf000 CR4: 0000000000350ef0 [ 42.758185] Call Trace: [ 42.758702] [ 42.759113] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.760046] ? __create_object+0x59/0x80 [ 42.760828] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.761792] __vmalloc_noprof+0x59/0x60 [ 42.762511] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.763409] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.764345] bpf_prog_alloc+0x39/0x200 [ 42.765073] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.765996] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.766894] do_seccomp+0x349/0x25e0 [ 42.767662] ? find_held_lock+0x2b/0x80 [ 42.768374] ? do_prlimit+0x310/0x610 [ 42.769112] ? __pfx_do_seccomp+0x10/0x10 [ 42.769889] ? do_raw_spin_unlock+0x53/0x220 [ 42.770738] ? _raw_spin_unlock+0x1e/0x40 [ 42.771502] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.772460] ? static_key_count+0x60/0x80 [ 42.773273] prctl_set_seccomp+0x4e/0x70 [ 42.774043] __do_sys_prctl+0xe6c/0x1d70 [ 42.774820] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.775713] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.776684] ? irqentry_exit+0xf3/0x650 [ 42.777401] do_syscall_64+0xbf/0x430 [ 42.778145] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.779093] RIP: 0033:0x7f05d5def5cd [ 42.779840] 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 [ 42.783042] RSP: 002b:00007ffccb009e00 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.784449] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f05d5def5cd [ 42.785716] RDX: 000055fc3fec2e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.786995] RBP: 00007ffccb009e60 R08: 0000000000000000 R09: 00007ffccb009500 [ 42.788317] R10: 0000000000000000 R11: 0000000000000246 R12: 000055fc5ffdcad0 [ 42.789594] R13: 00007ffccb00a290 R14: 000055fc5ffddbc0 R15: 000055fc5ffee780 [ 42.790908] [ 42.791365] irq event stamp: 1769 [ 42.792011] hardirqs last enabled at (1779): [] __up_console_sem+0x78/0x80 [ 42.793534] hardirqs last disabled at (1788): [] __up_console_sem+0x5d/0x80 [ 42.795069] softirqs last enabled at (1604): [] handle_softirqs+0x50c/0x770 [ 42.796634] softirqs last disabled at (1599): [] __irq_exit_rcu+0xc4/0x100 [ 42.798136] ---[ end trace 0000000000000000 ]--- [ 43.518542] ------------[ cut here ]------------ [ 43.519494] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 43.521514] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/249 [ 43.524360] Modules linked in: [ 43.525091] CPU: 1 UID: 104 PID: 249 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 43.527080] Tainted: [W]=WARN [ 43.527688] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 43.529148] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 43.530072] 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 [ 43.533231] RSP: 0018:ffff8880162dfbc0 EFLAGS: 00010286 [ 43.534207] RAX: 0000000000000000 RBX: ffffed1002c5bf78 RCX: ffffffff813a4050 [ 43.535511] RDX: ffff888017b09bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 43.536790] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002c5bf2f [ 43.538062] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 43.539342] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff8880162dfdf8 [ 43.540617] FS: 00007f52557b7900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 43.542062] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 43.543127] CR2: 00007fff651ffef7 CR3: 000000000e3bf000 CR4: 0000000000350ef0 [ 43.544415] Call Trace: [ 43.544915] [ 43.545340] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 43.546247] ? __create_object+0x59/0x80 [ 43.547019] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 43.548004] __vmalloc_noprof+0x59/0x60 [ 43.548767] bpf_prog_alloc_no_stats+0x55/0x470 [ 43.549651] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.550559] bpf_prog_alloc+0x39/0x200 [ 43.551318] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.552266] bpf_prog_create_from_user+0xb2/0x2f0 [ 43.553168] do_seccomp+0x349/0x25e0 [ 43.553894] ? find_held_lock+0x2b/0x80 [ 43.554674] ? do_prlimit+0x310/0x610 [ 43.555379] ? __pfx_do_seccomp+0x10/0x10 [ 43.556187] ? do_raw_spin_unlock+0x53/0x220 [ 43.557026] ? _raw_spin_unlock+0x1e/0x40 [ 43.557800] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 43.558781] ? static_key_count+0x60/0x80 [ 43.559553] prctl_set_seccomp+0x4e/0x70 [ 43.560342] __do_sys_prctl+0xe6c/0x1d70 [ 43.561124] ? __pfx___do_sys_prctl+0x10/0x10 [ 43.561978] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 43.562965] ? irqentry_exit+0xf3/0x650 [ 43.563760] do_syscall_64+0xbf/0x430 [ 43.564468] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 43.565425] RIP: 0033:0x7f5255ca95cd [ 43.566114] 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 [ 43.569302] RSP: 002b:00007fff651fe980 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 43.570685] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f5255ca95cd [ 43.571991] RDX: 000055b61721ae00 RSI: 0000000000000002 RDI: 0000000000000016 [ 43.573313] RBP: 00007fff651fe9e0 R08: 0000000000000000 R09: 00007fff651fe080 [ 43.574600] R10: 0000000000000000 R11: 0000000000000246 R12: 000055b62e3fcad0 [ 43.575922] R13: 00007fff651fee10 R14: 000055b62e3fdbc0 R15: 000055b62e40e780 [ 43.577222] [ 43.577680] irq event stamp: 2151 [ 43.578293] hardirqs last enabled at (2159): [] __up_console_sem+0x78/0x80 [ 43.579812] hardirqs last disabled at (2168): [] __up_console_sem+0x5d/0x80 [ 43.581328] softirqs last enabled at (2098): [] handle_softirqs+0x50c/0x770 [ 43.582866] softirqs last disabled at (2093): [] __irq_exit_rcu+0xc4/0x100 [ 43.584235] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:14216' (ECDSA) to the list of known hosts. 2025/11/18 07:36:30 fuzzer started 2025/11/18 07:36:30 dialing manager at localhost:37895 2025/11/18 07:36:30 checking machine... 2025/11/18 07:36:30 checking revisions... [ 44.502990] kmemleak: Automatic memory scanning thread ended 2025/11/18 07:36:31 testing simple program... [ 44.588547] cgroup: Unknown subsys name 'net' [ 44.652097] cgroup: Unknown subsys name 'cpuset' [ 44.664276] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program VM DIAGNOSIS: 07:36:30 Registers: info registers vcpu 0 RAX=dffffc0000000000 RBX=ffff888016201bc0 RCX=ffffffff8136b88a RDX=1ffff11002c4041a RSI=ffffffff8136b8d1 RDI=ffff8880162020d0 RBP=ffff88801737ff58 RSP=ffff88801737fea0 R8 =0000000000000001 R9 =0000000000000000 R10=0000000000000000 R11=0000000000000001 R12=0000000000000007 R13=00007f05d64a7968 R14=ffff88800d971c80 R15=ffff88800efe3f00 RIP=ffffffff81751c78 RFL=00000286 [--S--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 =0000 0000000000000000 00000000 00000000 DS =0000 0000000000000000 00000000 00000000 FS =0000 00007f05d58fd900 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe5e00000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f05d64a7968 CR3=000000001f061000 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=6720646572637465733a4d41503d706f 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=0000000000020aa5 RBX=0000000000000001 RCX=ffffffff84c72d57 RDX=0000000000000000 RSI=0000000000000000 RDI=ffffffff814d2c90 RBP=dffffc0000000000 RSP=ffff8880096efe58 R8 =0000000000000001 R9 =ffffed100d9e639a R10=ffff88806cf31cd3 R11=0000000000000001 R12=ffffffff8664f650 R13=1ffff110012ddfd2 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 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=00007ffe5462b648 CR3=000000000dc9e000 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=2039323a36333a373020383120766f4e XMM01=73732878696e755f6d6170203a5d3034 XMM02=65736f6c63206e6f6973736573203a29 XMM03=755f6d6170203a5d3034325b64687373 XMM04=69662068637573206f4e203a656c6163 XMM05=3a656c696620766e65206e65706f206f XMM06=65733a6468737328766e655f6d617020 XMM07=6b7a79732039323a36333a3730203831 XMM08=30343d7974696c696261706163202279 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000