syzkaller login: [ 45.791417] ------------[ cut here ]------------ [ 45.792364] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 45.794395] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/234 [ 45.795907] Modules linked in: [ 45.796560] CPU: 0 UID: 104 PID: 234 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 45.798552] Tainted: [W]=WARN [ 45.799151] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 45.800643] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 45.801577] 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 [ 45.804738] RSP: 0018:ffff88801c7bfbc0 EFLAGS: 00010286 [ 45.805736] RAX: 0000000000000000 RBX: ffffed10038f7f78 RCX: ffffffff813a4050 [ 45.807052] RDX: ffff88801c56b780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 45.808335] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed10038f7f2f [ 45.809620] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 45.810928] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801c7bfdf8 [ 45.812229] FS: 00007f610f9ae900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 45.813672] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 45.814757] CR2: 00007ffd2fe31ef7 CR3: 0000000016ae5000 CR4: 0000000000350ef0 [ 45.816069] Call Trace: [ 45.816534] [ 45.816945] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 45.817848] ? __create_object+0x59/0x80 [ 45.818650] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 45.819626] __vmalloc_noprof+0x59/0x60 [ 45.820401] bpf_prog_alloc_no_stats+0x55/0x470 [ 45.821276] ? __pfx_seccomp_check_filter+0x10/0x10 [ 45.822235] bpf_prog_alloc+0x39/0x200 [ 45.822929] ? __pfx_seccomp_check_filter+0x10/0x10 [ 45.823877] bpf_prog_create_from_user+0xb2/0x2f0 [ 45.824773] do_seccomp+0x349/0x25e0 [ 45.825513] ? find_held_lock+0x2b/0x80 [ 45.826302] ? do_prlimit+0x310/0x610 [ 45.827007] ? __pfx_do_seccomp+0x10/0x10 [ 45.827802] ? do_raw_spin_unlock+0x53/0x220 [ 45.828640] ? _raw_spin_unlock+0x1e/0x40 [ 45.829405] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 45.830389] ? static_key_count+0x60/0x80 [ 45.831196] prctl_set_seccomp+0x4e/0x70 [ 45.831934] __do_sys_prctl+0xe6c/0x1d70 [ 45.832721] ? __pfx___do_sys_prctl+0x10/0x10 [ 45.833596] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 45.834594] ? irqentry_exit+0xf3/0x650 [ 45.835368] do_syscall_64+0xbf/0x430 [ 45.836128] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 45.837094] RIP: 0033:0x7f610fea05cd [ 45.837755] 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 [ 45.840988] RSP: 002b:00007ffd2fe2fc80 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 45.842387] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f610fea05cd [ 45.843676] RDX: 00005572a8df4e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 45.844967] RBP: 00007ffd2fe2fce0 R08: 0000000000000000 R09: 00007ffd2fe2f380 [ 45.846265] R10: 0000000000000000 R11: 0000000000000246 R12: 00005572e6a21240 [ 45.847561] R13: 00007ffd2fe30110 R14: 00005572e6a20bf0 R15: 00005572e6a354d0 [ 45.848882] [ 45.849345] irq event stamp: 1751 [ 45.849961] hardirqs last enabled at (1759): [] __up_console_sem+0x78/0x80 [ 45.851513] hardirqs last disabled at (1768): [] __up_console_sem+0x5d/0x80 [ 45.853069] softirqs last enabled at (1684): [] handle_softirqs+0x50c/0x770 [ 45.854617] softirqs last disabled at (1679): [] __irq_exit_rcu+0xc4/0x100 [ 45.856161] ---[ end trace 0000000000000000 ]--- [ 48.332735] ------------[ cut here ]------------ [ 48.333489] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 48.335174] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/242 [ 48.336385] Modules linked in: [ 48.336881] CPU: 1 UID: 104 PID: 242 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 48.338526] Tainted: [W]=WARN [ 48.338980] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 48.340192] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 48.340911] 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 [ 48.343546] RSP: 0018:ffff88801c507bc0 EFLAGS: 00010286 [ 48.344351] RAX: 0000000000000000 RBX: ffffed10038a0f78 RCX: ffffffff813a4050 [ 48.345430] RDX: ffff88801643d340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 48.346509] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed10038a0f2f [ 48.347575] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 48.348637] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801c507df8 [ 48.349706] FS: 00007ff0c0138900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 48.350918] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 48.351809] CR2: 00007ffe7368def7 CR3: 000000000a0b1000 CR4: 0000000000350ef0 [ 48.352885] Call Trace: [ 48.353312] [ 48.353656] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 48.354407] ? __create_object+0x59/0x80 [ 48.355016] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 48.355820] __vmalloc_noprof+0x59/0x60 [ 48.356450] bpf_prog_alloc_no_stats+0x55/0x470 [ 48.357182] ? __pfx_seccomp_check_filter+0x10/0x10 [ 48.357919] bpf_prog_alloc+0x39/0x200 [ 48.358536] ? __pfx_seccomp_check_filter+0x10/0x10 [ 48.359301] bpf_prog_create_from_user+0xb2/0x2f0 [ 48.360014] do_seccomp+0x349/0x25e0 [ 48.360603] ? find_held_lock+0x2b/0x80 [ 48.361231] ? do_prlimit+0x310/0x610 [ 48.361817] ? __pfx_do_seccomp+0x10/0x10 [ 48.362475] ? do_raw_spin_unlock+0x53/0x220 [ 48.363169] ? _raw_spin_unlock+0x1e/0x40 [ 48.363779] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 48.364573] ? static_key_count+0x60/0x80 [ 48.365237] prctl_set_seccomp+0x4e/0x70 [ 48.365854] __do_sys_prctl+0xe6c/0x1d70 [ 48.366515] ? __pfx___do_sys_prctl+0x10/0x10 [ 48.367231] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 48.367998] ? irqentry_exit+0xf3/0x650 [ 48.368633] do_syscall_64+0xbf/0x430 [ 48.369246] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 48.370000] RIP: 0033:0x7ff0c062a5cd [ 48.370589] 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 [ 48.373200] RSP: 002b:00007ffe7368bd00 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 48.374337] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ff0c062a5cd [ 48.375410] RDX: 0000558ff28cce00 RSI: 0000000000000002 RDI: 0000000000000016 [ 48.376466] RBP: 00007ffe7368bd60 R08: 0000000000000000 R09: 00007ffe7368b400 [ 48.377533] R10: 0000000000000000 R11: 0000000000000246 R12: 0000559031f7cad0 [ 48.378609] R13: 00007ffe7368c190 R14: 0000559031f7dbc0 R15: 0000559031f8e780 [ 48.379697] [ 48.380079] irq event stamp: 1703 [ 48.380588] hardirqs last enabled at (1711): [] __up_console_sem+0x78/0x80 [ 48.381868] hardirqs last disabled at (1726): [] __up_console_sem+0x5d/0x80 [ 48.383142] softirqs last enabled at (1724): [] handle_softirqs+0x50c/0x770 [ 48.384413] softirqs last disabled at (1719): [] __irq_exit_rcu+0xc4/0x100 [ 48.385668] ---[ end trace 0000000000000000 ]--- [ 49.160648] ------------[ cut here ]------------ [ 49.161413] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 49.163145] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/249 [ 49.164339] Modules linked in: [ 49.164825] CPU: 1 UID: 104 PID: 249 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 49.166474] Tainted: [W]=WARN [ 49.166934] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 49.168204] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 49.168923] 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 [ 49.171559] RSP: 0018:ffff88801b45fbc0 EFLAGS: 00010286 [ 49.172370] RAX: 0000000000000000 RBX: ffffed100368bf78 RCX: ffffffff813a4050 [ 49.173437] RDX: ffff88801693d340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 49.174516] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed100368bf2f [ 49.175589] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 49.176652] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801b45fdf8 [ 49.177730] FS: 00007f76ed420900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 49.178945] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 49.179823] CR2: 00007ffee29f3ef7 CR3: 000000002072f000 CR4: 0000000000350ef0 [ 49.180889] Call Trace: [ 49.181315] [ 49.181655] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 49.182417] ? __create_object+0x59/0x80 [ 49.183069] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 49.183834] __vmalloc_noprof+0x59/0x60 [ 49.184466] bpf_prog_alloc_no_stats+0x55/0x470 [ 49.185197] ? __pfx_seccomp_check_filter+0x10/0x10 [ 49.185928] bpf_prog_alloc+0x39/0x200 [ 49.186555] ? __pfx_seccomp_check_filter+0x10/0x10 [ 49.187322] bpf_prog_create_from_user+0xb2/0x2f0 [ 49.188073] do_seccomp+0x349/0x25e0 [ 49.188631] ? find_held_lock+0x2b/0x80 [ 49.189262] ? do_prlimit+0x310/0x610 [ 49.189841] ? __pfx_do_seccomp+0x10/0x10 [ 49.190498] ? do_raw_spin_unlock+0x53/0x220 [ 49.191191] ? _raw_spin_unlock+0x1e/0x40 [ 49.191799] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 49.192603] ? static_key_count+0x60/0x80 [ 49.193274] prctl_set_seccomp+0x4e/0x70 [ 49.193883] __do_sys_prctl+0xe6c/0x1d70 [ 49.194552] ? __pfx___do_sys_prctl+0x10/0x10 [ 49.195269] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 49.196075] ? irqentry_exit+0xf3/0x650 [ 49.196670] do_syscall_64+0xbf/0x430 [ 49.197288] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 49.198089] RIP: 0033:0x7f76ed9125cd [ 49.198633] 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 [ 49.201285] RSP: 002b:00007ffee29f1da0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 49.202436] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f76ed9125cd [ 49.203507] RDX: 0000556fd79aee00 RSI: 0000000000000002 RDI: 0000000000000016 [ 49.204584] RBP: 00007ffee29f1e00 R08: 0000000000000000 R09: 00007ffee29f14a0 [ 49.205648] R10: 0000000000000000 R11: 0000000000000246 R12: 0000556fe2545ad0 [ 49.206724] R13: 00007ffee29f2230 R14: 0000556fe2546bc0 R15: 0000556fe2557780 [ 49.207806] [ 49.208196] irq event stamp: 1743 [ 49.208696] hardirqs last enabled at (1751): [] __up_console_sem+0x78/0x80 [ 49.209963] hardirqs last disabled at (1760): [] __up_console_sem+0x5d/0x80 [ 49.211230] softirqs last enabled at (1740): [] handle_softirqs+0x50c/0x770 [ 49.212519] softirqs last disabled at (1725): [] __irq_exit_rcu+0xc4/0x100 [ 49.213784] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:14852' (ECDSA) to the list of known hosts. 2025/11/17 12:34:59 fuzzer started 2025/11/17 12:35:00 dialing manager at localhost:37895 2025/11/17 12:35:00 checking machine... 2025/11/17 12:35:00 checking revisions... [ 50.121490] kmemleak: Automatic memory scanning thread ended 2025/11/17 12:35:00 testing simple program... [ 50.198590] cgroup: Unknown subsys name 'net' [ 50.256889] cgroup: Unknown subsys name 'cpuset' [ 50.270014] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program VM DIAGNOSIS: 12:34:59 Registers: info registers vcpu 0 RAX=dffffc0000000000 RBX=0000000000000001 RCX=ffff88806ce08984 RDX=1ffff1100d9c1151 RSI=ffffffff83eea6a7 RDI=ffff88806ce08a30 RBP=ffff88806ce08a88 RSP=ffff88806ce089c0 R8 =0000000000000001 R9 =ffff88806ce08a70 R10=000000000003c9ed R11=000000000009de8b R12=0000000000000000 R13=0000000000000000 R14=ffff888014543780 R15=ffff88806ce08a30 RIP=ffffffff8135e45f 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 00007ff0c0138900 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe0600000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007ff0c06ef618 CR3=00000000206e0000 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=6e69676f6c5f6d61702c78756e696c65 XMM02=755f6d61702c74696d7265705f6d6170 XMM03=2c766e655f6d61702c7374696d696c5f XMM04=6d61702c766e655f6d61702c7374696d XMM05=78696e755f6d61702c74696d7265705f XMM06=6469756e69676f6c5f6d61702c78756e XMM07=672065736f6c635f6e6f69737365733a XMM08=61662029286e65706f5f746964756100 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=000000000002662d 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 fffffe5800000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f8441221000 CR3=000000000dbea000 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=71ca5d488c996cba4c42d4e32cc7ef96 XMM02=0000000000305478eff9b2d0a8fce9cb XMM03=00000000003055482c67c8bc2e329bc3 XMM04=ea9521cd8b6baa9a00000000000ae988 XMM05=3e0994584521094800000000003225a8 XMM06=5b75c91c8044534200000000003219d0 XMM07=e042d86d42eb936e0000000000312be0 XMM08=0868ccc4e97fe4c40000000000305548 XMM09=00000000000000000000000000000000 XMM10=20200000000020202020202020200000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000