syzkaller login: [ 46.492005] ------------[ cut here ]------------ [ 46.492911] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 46.494904] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/234 [ 46.496384] Modules linked in: [ 46.496987] CPU: 0 UID: 104 PID: 234 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 46.498949] Tainted: [W]=WARN [ 46.499532] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 46.500965] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 46.501864] 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 [ 46.504971] RSP: 0018:ffff888017687bc0 EFLAGS: 00010286 [ 46.505932] RAX: 0000000000000000 RBX: ffffed1002ed0f78 RCX: ffffffff813a4050 [ 46.507190] RDX: ffff888017005340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 46.508448] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002ed0f2f [ 46.509715] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 46.510986] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888017687df8 [ 46.512289] FS: 00007f22dbc5f900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 46.513738] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 46.514813] CR2: 00007ffcc82d8ef7 CR3: 000000000def6000 CR4: 0000000000350ef0 [ 46.516119] Call Trace: [ 46.516584] [ 46.516993] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 46.517882] ? __create_object+0x59/0x80 [ 46.518686] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 46.519662] __vmalloc_noprof+0x59/0x60 [ 46.520418] bpf_prog_alloc_no_stats+0x55/0x470 [ 46.521292] ? __pfx_seccomp_check_filter+0x10/0x10 [ 46.522248] bpf_prog_alloc+0x39/0x200 [ 46.522940] ? __pfx_seccomp_check_filter+0x10/0x10 [ 46.523876] bpf_prog_create_from_user+0xb2/0x2f0 [ 46.524771] do_seccomp+0x349/0x25e0 [ 46.525489] ? find_held_lock+0x2b/0x80 [ 46.526259] ? do_prlimit+0x310/0x610 [ 46.526955] ? __pfx_do_seccomp+0x10/0x10 [ 46.527747] ? do_raw_spin_unlock+0x53/0x220 [ 46.528579] ? _raw_spin_unlock+0x1e/0x40 [ 46.529361] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 46.530355] ? static_key_count+0x60/0x80 [ 46.531152] prctl_set_seccomp+0x4e/0x70 [ 46.531888] __do_sys_prctl+0xe6c/0x1d70 [ 46.532670] ? __pfx___do_sys_prctl+0x10/0x10 [ 46.533512] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 46.534490] ? irqentry_exit+0xf3/0x650 [ 46.535259] do_syscall_64+0xbf/0x430 [ 46.535959] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 46.536914] RIP: 0033:0x7f22dc1515cd [ 46.537626] 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 [ 46.540778] RSP: 002b:00007ffcc82d77a0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 46.542139] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f22dc1515cd [ 46.543407] RDX: 0000561941f74e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 46.544688] RBP: 00007ffcc82d7800 R08: 0000000000000000 R09: 00007ffcc82d6ea0 [ 46.545979] R10: 0000000000000000 R11: 0000000000000246 R12: 000056197d594b10 [ 46.547263] R13: 00007ffcc82d7c30 R14: 000056197d5952b0 R15: 000056197d5a96f0 [ 46.548578] [ 46.549006] irq event stamp: 1757 [ 46.549664] hardirqs last enabled at (1767): [] __up_console_sem+0x78/0x80 [ 46.551214] hardirqs last disabled at (1776): [] __up_console_sem+0x5d/0x80 [ 46.552761] softirqs last enabled at (1736): [] handle_softirqs+0x50c/0x770 [ 46.554331] softirqs last disabled at (1731): [] __irq_exit_rcu+0xc4/0x100 [ 46.555849] ---[ end trace 0000000000000000 ]--- [ 49.766100] ------------[ cut here ]------------ [ 49.766977] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 49.769565] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/242 [ 49.771092] Modules linked in: [ 49.771689] CPU: 1 UID: 104 PID: 242 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 49.775169] Tainted: [W]=WARN [ 49.775729] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 49.777278] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 49.778218] 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 [ 49.781399] RSP: 0018:ffff888015b67bc0 EFLAGS: 00010286 [ 49.782416] RAX: 0000000000000000 RBX: ffffed1002b6cf78 RCX: ffffffff813a4050 [ 49.783703] RDX: ffff8880167f8000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 49.784987] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002b6cf2f [ 49.786313] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 49.787597] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888015b67df8 [ 49.788885] FS: 00007fa2f96e6900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 49.790359] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 49.791419] CR2: 00007fa2f9bd8580 CR3: 000000000da8e000 CR4: 0000000000350ef0 [ 49.792703] Call Trace: [ 49.793197] [ 49.793609] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 49.794553] ? __create_object+0x59/0x80 [ 49.795346] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 49.796322] __vmalloc_noprof+0x59/0x60 [ 49.797084] bpf_prog_alloc_no_stats+0x55/0x470 [ 49.797917] ? __pfx_seccomp_check_filter+0x10/0x10 [ 49.798895] bpf_prog_alloc+0x39/0x200 [ 49.799635] ? __pfx_seccomp_check_filter+0x10/0x10 [ 49.800569] bpf_prog_create_from_user+0xb2/0x2f0 [ 49.801483] do_seccomp+0x349/0x25e0 [ 49.802237] ? __pfx_css_rstat_updated+0x10/0x10 [ 49.803144] ? __pfx_do_seccomp+0x10/0x10 [ 49.803889] ? find_held_lock+0x2b/0x80 [ 49.804646] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 49.805598] ? static_key_count+0x60/0x80 [ 49.806442] prctl_set_seccomp+0x4e/0x70 [ 49.807230] __do_sys_prctl+0xe6c/0x1d70 [ 49.807971] ? __pfx___do_sys_prctl+0x10/0x10 [ 49.808831] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 49.809802] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 49.810816] ? irqentry_exit+0xf3/0x650 [ 49.811589] do_syscall_64+0xbf/0x430 [ 49.812319] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 49.813283] RIP: 0033:0x7fa2f9bd85cd [ 49.813961] 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 [ 49.817169] RSP: 002b:00007ffde7493670 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 49.818568] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fa2f9bd85cd [ 49.819860] RDX: 0000560535b4ae00 RSI: 0000000000000002 RDI: 0000000000000016 [ 49.821151] RBP: 00007ffde74936d0 R08: 0000000000000000 R09: 00007ffde7492d70 [ 49.822480] R10: 0000000000000000 R11: 0000000000000246 R12: 000056053b716ad0 [ 49.823765] R13: 00007ffde7493b00 R14: 000056053b717bc0 R15: 000056053b728780 [ 49.825085] [ 49.825511] irq event stamp: 2037 [ 49.826200] hardirqs last enabled at (2047): [] __up_console_sem+0x78/0x80 [ 49.827728] hardirqs last disabled at (2056): [] __up_console_sem+0x5d/0x80 [ 49.829247] softirqs last enabled at (1940): [] handle_softirqs+0x50c/0x770 [ 49.830828] softirqs last disabled at (1935): [] __irq_exit_rcu+0xc4/0x100 [ 49.832346] ---[ end trace 0000000000000000 ]--- [ 50.696353] ------------[ cut here ]------------ [ 50.697276] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 50.699378] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/250 [ 50.700835] Modules linked in: [ 50.701460] CPU: 1 UID: 104 PID: 250 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 50.704841] Tainted: [W]=WARN [ 50.705935] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 50.707423] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 50.708345] 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 [ 50.711535] RSP: 0018:ffff8880170afbc0 EFLAGS: 00010286 [ 50.712506] RAX: 0000000000000000 RBX: ffffed1002e15f78 RCX: ffffffff813a4050 [ 50.713788] RDX: ffff888015c80000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 50.715134] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002e15f2f [ 50.716425] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 50.717710] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff8880170afdf8 [ 50.719020] FS: 00007f0649026900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 50.720476] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.721538] CR2: 00007f0649518580 CR3: 000000001f72d000 CR4: 0000000000350ef0 [ 50.722865] Call Trace: [ 50.723375] [ 50.723786] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 50.724690] ? __create_object+0x59/0x80 [ 50.725472] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 50.726480] __vmalloc_noprof+0x59/0x60 [ 50.727240] bpf_prog_alloc_no_stats+0x55/0x470 [ 50.728116] ? __pfx_seccomp_check_filter+0x10/0x10 [ 50.729003] bpf_prog_alloc+0x39/0x200 [ 50.729739] ? __pfx_seccomp_check_filter+0x10/0x10 [ 50.730709] bpf_prog_create_from_user+0xb2/0x2f0 [ 50.731610] do_seccomp+0x349/0x25e0 [ 50.732335] ? __pfx_css_rstat_updated+0x10/0x10 [ 50.733227] ? __pfx_do_seccomp+0x10/0x10 [ 50.733991] ? find_held_lock+0x2b/0x80 [ 50.734772] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 50.735735] ? static_key_count+0x60/0x80 [ 50.736530] prctl_set_seccomp+0x4e/0x70 [ 50.737305] __do_sys_prctl+0xe6c/0x1d70 [ 50.738138] ? __pfx___do_sys_prctl+0x10/0x10 [ 50.738950] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 50.739908] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 50.740884] ? irqentry_exit+0xf3/0x650 [ 50.741647] do_syscall_64+0xbf/0x430 [ 50.742422] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 50.743380] RIP: 0033:0x7f06495185cd [ 50.744036] 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 [ 50.747249] RSP: 002b:00007fff923c3390 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 50.748601] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f06495185cd [ 50.749873] RDX: 000055e8ab4cde00 RSI: 0000000000000002 RDI: 0000000000000016 [ 50.751127] RBP: 00007fff923c33f0 R08: 0000000000000000 R09: 00007fff923c2a90 [ 50.752188] R10: 0000000000000000 R11: 0000000000000246 R12: 000055e8e68a1ad0 [ 50.753247] R13: 00007fff923c3820 R14: 000055e8e68a2bc0 R15: 000055e8e68b3780 [ 50.754360] [ 50.754714] irq event stamp: 2133 [ 50.755252] hardirqs last enabled at (2143): [] __up_console_sem+0x78/0x80 [ 50.756515] hardirqs last disabled at (2152): [] __up_console_sem+0x5d/0x80 [ 50.757790] softirqs last enabled at (1732): [] handle_softirqs+0x50c/0x770 [ 50.759105] softirqs last disabled at (1727): [] __irq_exit_rcu+0xc4/0x100 [ 50.760359] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:59591' (ECDSA) to the list of known hosts. 2025/11/17 10:45:30 fuzzer started 2025/11/17 10:45:30 dialing manager at localhost:37895 2025/11/17 10:45:30 checking machine... 2025/11/17 10:45:30 checking revisions... [ 51.649691] kmemleak: Automatic memory scanning thread ended 2025/11/17 10:45:31 testing simple program... [ 51.754743] cgroup: Unknown subsys name 'net' [ 51.830977] cgroup: Unknown subsys name 'cpuset' [ 51.846533] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program VM DIAGNOSIS: 10:45:30 Registers: info registers vcpu 0 RAX=0000000000000000 RBX=1ffff11002b49eaf RCX=ffffffff819f37b3 RDX=ffff888016fd8000 RSI=ffffffff819f37d0 RDI=000000001f72b067 RBP=ffff88801f72a000 RSP=ffff888015a4f570 R8 =ffff888015a4f8d0 R9 =ffffed100189cc0c R10=0000000000000000 R11=0000000000000001 R12=00007fa2f96ad000 R13=00007fa2f96ae000 R14=ffff88801f72a7f8 R15=dffffc0000000000 RIP=ffffffff81751c70 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 00007fa2f96e6900 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe0100000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007fa2f96b0008 CR3=000000001f72a000 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=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=000000000002d9a3 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 fffffe0b00000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f6f2c716000 CR3=000000000df4c000 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=4aa0d13732f5a5b6aa42a50e9af86a3e XMM02=2c67c8bc2e329bc30000000000303940 XMM03=fb795ef6d6577056000000000030f670 XMM04=cac7254bd23d4d6300000000000ae988 XMM05=b6cad8d1f6876c9c0000000000320e38 XMM06=5b75c91c80445342000000000031f770 XMM07=e042d86d42eb936e00000000003107c0 XMM08=edb4f3db1efd8cc800000000003039a0 XMM09=00000000000000000000000000000000 XMM10=20200000000020202020202020200000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000