syzkaller login: [ 46.804943] ------------[ cut here ]------------ [ 46.806036] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 46.808418] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/235 [ 46.810096] Modules linked in: [ 46.810828] CPU: 0 UID: 104 PID: 235 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 46.813129] Tainted: [W]=WARN [ 46.813817] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 46.815511] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 46.816576] 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 [ 46.820234] RSP: 0018:ffff888015a9fbc0 EFLAGS: 00010286 [ 46.821355] RAX: 0000000000000000 RBX: ffffed1002b53f78 RCX: ffffffff813a4050 [ 46.822745] RDX: ffff888016405340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 46.824069] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002b53f2f [ 46.825390] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 46.826781] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888015a9fdf8 [ 46.828085] FS: 00007f863b230900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 46.829598] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 46.830776] CR2: 00007ffe8dc8aef7 CR3: 0000000009b4c000 CR4: 0000000000350ef0 [ 46.832089] Call Trace: [ 46.832556] [ 46.833097] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 46.834147] ? __create_object+0x59/0x80 [ 46.835052] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 46.836196] __vmalloc_noprof+0x59/0x60 [ 46.837631] bpf_prog_alloc_no_stats+0x55/0x470 [ 46.838662] ? __pfx_seccomp_check_filter+0x10/0x10 [ 46.839836] bpf_prog_alloc+0x39/0x200 [ 46.840645] ? __pfx_seccomp_check_filter+0x10/0x10 [ 46.841786] bpf_prog_create_from_user+0xb2/0x2f0 [ 46.842853] do_seccomp+0x349/0x25e0 [ 46.843639] ? find_held_lock+0x2b/0x80 [ 46.844554] ? do_prlimit+0x310/0x610 [ 46.845426] ? __pfx_do_seccomp+0x10/0x10 [ 46.846331] ? do_raw_spin_unlock+0x53/0x220 [ 46.847308] ? _raw_spin_unlock+0x1e/0x40 [ 46.848251] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 46.849409] ? static_key_count+0x60/0x80 [ 46.850222] prctl_set_seccomp+0x4e/0x70 [ 46.851013] __do_sys_prctl+0xe6c/0x1d70 [ 46.851808] ? __pfx___do_sys_prctl+0x10/0x10 [ 46.852629] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 46.853601] ? irqentry_exit+0xf3/0x650 [ 46.854376] do_syscall_64+0xbf/0x430 [ 46.855118] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 46.856085] RIP: 0033:0x7f863b7225cd [ 46.856795] 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 [ 46.860000] RSP: 002b:00007ffe8dc897a0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 46.861391] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f863b7225cd [ 46.862694] RDX: 000055857be51e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 46.863975] RBP: 00007ffe8dc89800 R08: 0000000000000000 R09: 00007ffe8dc88ea0 [ 46.865255] R10: 0000000000000000 R11: 0000000000000246 R12: 00005585a1109ad0 [ 46.866548] R13: 00007ffe8dc89c30 R14: 00005585a110abc0 R15: 00005585a111b780 [ 46.867853] [ 46.868273] irq event stamp: 1735 [ 46.868914] hardirqs last enabled at (1745): [] __up_console_sem+0x78/0x80 [ 46.870424] hardirqs last disabled at (1754): [] __up_console_sem+0x5d/0x80 [ 46.871951] softirqs last enabled at (1656): [] handle_softirqs+0x50c/0x770 [ 46.873307] softirqs last disabled at (1651): [] __irq_exit_rcu+0xc4/0x100 [ 46.874589] ---[ end trace 0000000000000000 ]--- [ 50.339068] ------------[ cut here ]------------ [ 50.340044] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 50.342102] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/242 [ 50.343593] Modules linked in: [ 50.344254] CPU: 0 UID: 104 PID: 242 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 50.346260] Tainted: [W]=WARN [ 50.346871] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 50.348371] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 50.349288] 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 [ 50.352450] RSP: 0018:ffff888016df7bc0 EFLAGS: 00010286 [ 50.353428] RAX: 0000000000000000 RBX: ffffed1002dbef78 RCX: ffffffff813a4050 [ 50.354738] RDX: ffff888015e5b780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 50.356057] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002dbef2f [ 50.357355] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000400dc0 [ 50.358645] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888016df7df8 [ 50.359965] FS: 00007f12b66bd900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 50.361429] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.362498] CR2: 00007ffc5516eef7 CR3: 000000000c041000 CR4: 0000000000350ef0 [ 50.363824] Call Trace: [ 50.364302] [ 50.364760] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 50.365603] ? __create_object+0x59/0x80 [ 50.366401] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 50.367368] __vmalloc_noprof+0x59/0x60 [ 50.368149] bpf_prog_alloc_no_stats+0x55/0x470 [ 50.369037] ? __pfx_seccomp_check_filter+0x10/0x10 [ 50.369973] bpf_prog_alloc+0x39/0x200 [ 50.370725] ? __pfx_seccomp_check_filter+0x10/0x10 [ 50.371607] bpf_prog_create_from_user+0xb2/0x2f0 [ 50.372519] do_seccomp+0x349/0x25e0 [ 50.373260] ? find_held_lock+0x2b/0x80 [ 50.374013] ? do_prlimit+0x310/0x610 [ 50.374747] ? __pfx_do_seccomp+0x10/0x10 [ 50.375494] ? do_raw_spin_unlock+0x53/0x220 [ 50.376344] ? _raw_spin_unlock+0x1e/0x40 [ 50.377119] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 50.378081] ? static_key_count+0x60/0x80 [ 50.378895] prctl_set_seccomp+0x4e/0x70 [ 50.379632] __do_sys_prctl+0xe6c/0x1d70 [ 50.380436] ? __pfx___do_sys_prctl+0x10/0x10 [ 50.381309] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 50.382296] ? irqentry_exit+0xf3/0x650 [ 50.383074] do_syscall_64+0xbf/0x430 [ 50.383836] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 50.384806] RIP: 0033:0x7f12b6baf5cd [ 50.385481] 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 [ 50.388727] RSP: 002b:00007ffc5516cda0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 50.390089] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f12b6baf5cd [ 50.391379] RDX: 0000561573dd9e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 50.392711] RBP: 00007ffc5516ce00 R08: 0000000000000000 R09: 00007ffc5516c4a0 [ 50.394026] R10: 0000000000000000 R11: 0000000000000246 R12: 000056157d178ad0 [ 50.395332] R13: 00007ffc5516d230 R14: 000056157d179bc0 R15: 000056157d18a780 [ 50.396706] [ 50.397143] irq event stamp: 1751 [ 50.397806] hardirqs last enabled at (1761): [] __up_console_sem+0x78/0x80 [ 50.399367] hardirqs last disabled at (1770): [] __up_console_sem+0x5d/0x80 [ 50.400930] softirqs last enabled at (1718): [] handle_softirqs+0x50c/0x770 [ 50.402497] softirqs last disabled at (1713): [] __irq_exit_rcu+0xc4/0x100 [ 50.404040] ---[ end trace 0000000000000000 ]--- [ 51.196614] ------------[ cut here ]------------ [ 51.197540] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 51.199704] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/249 [ 51.201223] Modules linked in: [ 51.201921] CPU: 1 UID: 104 PID: 249 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 51.204078] Tainted: [W]=WARN [ 51.204647] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 51.206362] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 51.207436] 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 [ 51.210715] RSP: 0018:ffff888019de7bc0 EFLAGS: 00010286 [ 51.211734] RAX: 0000000000000000 RBX: ffffed10033bcf78 RCX: ffffffff813a4050 [ 51.213130] RDX: ffff888019e0d340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 51.214563] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed10033bcf2f [ 51.216009] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 51.217398] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888019de7df8 [ 51.218804] FS: 00007f8b2d06b900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 51.220220] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 51.221390] CR2: 00007ffce0aa0ef7 CR3: 000000001dc24000 CR4: 0000000000350ef0 [ 51.222836] Call Trace: [ 51.223336] [ 51.223842] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 51.224814] ? __create_object+0x59/0x80 [ 51.225606] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 51.226592] __vmalloc_noprof+0x59/0x60 [ 51.227408] bpf_prog_alloc_no_stats+0x55/0x470 [ 51.228274] ? __pfx_seccomp_check_filter+0x10/0x10 [ 51.229257] bpf_prog_alloc+0x39/0x200 [ 51.229982] ? __pfx_seccomp_check_filter+0x10/0x10 [ 51.230989] bpf_prog_create_from_user+0xb2/0x2f0 [ 51.231894] do_seccomp+0x349/0x25e0 [ 51.232544] ? find_held_lock+0x2b/0x80 [ 51.233280] ? do_prlimit+0x310/0x610 [ 51.234003] ? __pfx_do_seccomp+0x10/0x10 [ 51.234879] ? do_raw_spin_unlock+0x53/0x220 [ 51.235817] ? _raw_spin_unlock+0x1e/0x40 [ 51.236645] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 51.237766] ? static_key_count+0x60/0x80 [ 51.238609] prctl_set_seccomp+0x4e/0x70 [ 51.239432] __do_sys_prctl+0xe6c/0x1d70 [ 51.240288] ? __pfx___do_sys_prctl+0x10/0x10 [ 51.241270] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 51.242304] ? irqentry_exit+0xf3/0x650 [ 51.243060] do_syscall_64+0xbf/0x430 [ 51.243831] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 51.244778] RIP: 0033:0x7f8b2d55d5cd [ 51.245450] 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 [ 51.248698] RSP: 002b:00007ffce0a9f9c0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 51.250130] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f8b2d55d5cd [ 51.251535] RDX: 00005625c8231e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 51.252784] RBP: 00007ffce0a9fa20 R08: 0000000000000000 R09: 00007ffce0a9f0c0 [ 51.254066] R10: 0000000000000000 R11: 0000000000000246 R12: 0000562605a95bf0 [ 51.255440] R13: 00007ffce0a9fe50 R14: 0000562605a9f380 R15: 0000562605aaa460 [ 51.256879] [ 51.257304] irq event stamp: 1787 [ 51.257938] hardirqs last enabled at (1797): [] __up_console_sem+0x78/0x80 [ 51.259462] hardirqs last disabled at (1806): [] __up_console_sem+0x5d/0x80 [ 51.261070] softirqs last enabled at (1344): [] handle_softirqs+0x50c/0x770 [ 51.262607] softirqs last disabled at (1337): [] __irq_exit_rcu+0xc4/0x100 [ 51.264141] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:2039' (ECDSA) to the list of known hosts. 2025/11/17 08:58:43 fuzzer started 2025/11/17 08:58:43 dialing manager at localhost:37895 2025/11/17 08:58:43 checking machine... 2025/11/17 08:58:43 checking revisions... [ 52.177652] kmemleak: Automatic memory scanning thread ended 2025/11/17 08:58:43 testing simple program... [ 52.258981] cgroup: Unknown subsys name 'net' [ 52.312109] cgroup: Unknown subsys name 'cpuset' [ 52.328034] cgroup: Unknown subsys name 'rlimit' executing program executing program VM DIAGNOSIS: 08:58:42 Registers: info registers vcpu 0 RAX=0000000000000001 RBX=ffffffff81618fa0 RCX=ffff888009627794 RDX=1ffff110012c4f35 RSI=ffffffff813c0e01 RDI=ffff888009627840 RBP=ffff8880096278d8 RSP=ffff888009627840 R8 =0000000000000001 R9 =ffff888009627880 R10=000000000003c9ed R11=0000000000011d83 R12=ffff888009627908 R13=0000000000000000 R14=ffff888009611bc0 R15=ffff888008c4b780 RIP=ffffffff812dfbe1 RFL=00000202 [-------] 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 0000000000000000 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe6d00000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f12b6c74618 CR3=000000000da90000 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=1ffffffff0cd6528 RBX=ffffffff866b2944 RCX=ffffffff813c0e00 RDX=0000000000000000 RSI=ffffffff86a0b818 RDI=ffffffff866b2944 RBP=ffffffff866b2944 RSP=ffff888009757788 R8 =ffffffff86a0b818 R9 =0000000000000000 R10=000000000003c9ed R11=0000000000008964 R12=ffffffff866b2944 R13=ffffffff866b2944 R14=ffffffff866b2944 R15=dffffc0000000000 RIP=ffffffff8135daaf RFL=00000217 [----APC] 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 0000000000000000 00000000 00000000 GS =0000 ffff8880e548f000 00000000 00000000 LDT=0000 fffffe2500000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f479dff4000 CR3=000000000d629000 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=8d6723a0efd054ac0d489e9a321af4eb XMM02=ec2efd57dc4c00df0000000000305008 XMM03=60a944f50ea12ade00000000003050d8 XMM04=81473aa4f940a9e700000000000ae988 XMM05=090f1556b20111b3000000000031e690 XMM06=5b75c91c80445342000000000031e518 XMM07=e042d86d42eb936e000000000030fa48 XMM08=60a944f50ea12ade00000000003050d8 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000