syzkaller login: [ 46.212367] ------------[ cut here ]------------ [ 46.213325] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 46.215385] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/234 [ 46.216893] Modules linked in: [ 46.217534] CPU: 1 UID: 104 PID: 234 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 46.219519] Tainted: [W]=WARN [ 46.220112] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 46.221604] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 46.222541] 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 [ 46.225718] RSP: 0018:ffff888018fcfbc0 EFLAGS: 00010286 [ 46.226693] RAX: 0000000000000000 RBX: ffffed10031f9f78 RCX: ffffffff813a4050 [ 46.227997] RDX: ffff888009ff8000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 46.229287] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed10031f9f2f [ 46.230563] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 46.231843] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888018fcfdf8 [ 46.233120] FS: 00007fe5e22b2900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 46.234577] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 46.235644] CR2: 00007fe5e27a4580 CR3: 000000000e352000 CR4: 0000000000350ef0 [ 46.236944] Call Trace: [ 46.237429] [ 46.237834] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 46.238726] ? __create_object+0x59/0x80 [ 46.239521] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 46.240498] __vmalloc_noprof+0x59/0x60 [ 46.241262] bpf_prog_alloc_no_stats+0x55/0x470 [ 46.242148] ? __pfx_seccomp_check_filter+0x10/0x10 [ 46.243094] bpf_prog_alloc+0x39/0x200 [ 46.243794] ? __pfx_seccomp_check_filter+0x10/0x10 [ 46.244724] bpf_prog_create_from_user+0xb2/0x2f0 [ 46.245647] do_seccomp+0x349/0x25e0 [ 46.246370] ? __pfx_css_rstat_updated+0x10/0x10 [ 46.247288] ? __pfx_do_seccomp+0x10/0x10 [ 46.248093] ? find_held_lock+0x2b/0x80 [ 46.248811] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 46.249780] ? static_key_count+0x60/0x80 [ 46.250601] prctl_set_seccomp+0x4e/0x70 [ 46.251390] __do_sys_prctl+0xe6c/0x1d70 [ 46.252181] ? __pfx___do_sys_prctl+0x10/0x10 [ 46.253040] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 46.254030] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 46.255008] ? irqentry_exit+0xf3/0x650 [ 46.255733] do_syscall_64+0xbf/0x430 [ 46.256483] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 46.257425] RIP: 0033:0x7fe5e27a45cd [ 46.258139] 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 [ 46.261336] RSP: 002b:00007ffda23ee830 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 46.262709] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fe5e27a45cd [ 46.264027] RDX: 00005622e040de00 RSI: 0000000000000002 RDI: 0000000000000016 [ 46.265331] RBP: 00007ffda23ee890 R08: 0000000000000000 R09: 00007ffda23edf30 [ 46.266635] R10: 0000000000000000 R11: 0000000000000246 R12: 00005622f6a18240 [ 46.267960] R13: 00007ffda23eecc0 R14: 00005622f6a21380 R15: 00005622f6a2c540 [ 46.269288] [ 46.269719] irq event stamp: 1711 [ 46.270383] hardirqs last enabled at (1721): [] __up_console_sem+0x78/0x80 [ 46.271943] hardirqs last disabled at (1730): [] __up_console_sem+0x5d/0x80 [ 46.273489] softirqs last enabled at (1690): [] handle_softirqs+0x50c/0x770 [ 46.275065] softirqs last disabled at (1685): [] __irq_exit_rcu+0xc4/0x100 [ 46.276604] ---[ end trace 0000000000000000 ]--- [ 49.741202] ------------[ cut here ]------------ [ 49.742133] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 49.744208] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/243 [ 49.745676] Modules linked in: [ 49.746363] CPU: 0 UID: 104 PID: 243 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 49.748358] Tainted: [W]=WARN [ 49.748962] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 49.750453] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 49.751385] 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 [ 49.754580] RSP: 0018:ffff8880169c7bc0 EFLAGS: 00010286 [ 49.755574] RAX: 0000000000000000 RBX: ffffed1002d38f78 RCX: ffffffff813a4050 [ 49.756858] RDX: ffff88800f3cb780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 49.758154] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002d38f2f [ 49.759455] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 49.760746] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff8880169c7df8 [ 49.762053] FS: 00007fad6f527900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 49.763507] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 49.764585] CR2: 00007ffd179b0ef7 CR3: 000000000de27000 CR4: 0000000000350ef0 [ 49.765883] Call Trace: [ 49.766378] [ 49.766787] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 49.767702] ? __create_object+0x59/0x80 [ 49.768495] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 49.769466] __vmalloc_noprof+0x59/0x60 [ 49.770227] bpf_prog_alloc_no_stats+0x55/0x470 [ 49.771099] ? __pfx_seccomp_check_filter+0x10/0x10 [ 49.772046] bpf_prog_alloc+0x39/0x200 [ 49.772735] ? __pfx_seccomp_check_filter+0x10/0x10 [ 49.773670] bpf_prog_create_from_user+0xb2/0x2f0 [ 49.774575] do_seccomp+0x349/0x25e0 [ 49.775308] ? find_held_lock+0x2b/0x80 [ 49.776086] ? do_prlimit+0x310/0x610 [ 49.776791] ? __pfx_do_seccomp+0x10/0x10 [ 49.777577] ? do_raw_spin_unlock+0x53/0x220 [ 49.778395] ? _raw_spin_unlock+0x1e/0x40 [ 49.779183] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 49.780154] ? static_key_count+0x60/0x80 [ 49.780958] prctl_set_seccomp+0x4e/0x70 [ 49.781690] __do_sys_prctl+0xe6c/0x1d70 [ 49.782493] ? __pfx___do_sys_prctl+0x10/0x10 [ 49.783374] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 49.784390] ? irqentry_exit+0xf3/0x650 [ 49.785181] do_syscall_64+0xbf/0x430 [ 49.785954] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 49.786894] RIP: 0033:0x7fad6fa195cd [ 49.787638] 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 [ 49.790963] RSP: 002b:00007ffd179ae640 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 49.792331] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fad6fa195cd [ 49.793608] RDX: 000055a4e4d94e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 49.794899] RBP: 00007ffd179ae6a0 R08: 0000000000000000 R09: 00007ffd179add40 [ 49.796214] R10: 0000000000000000 R11: 0000000000000246 R12: 000055a4f5b51ad0 [ 49.797492] R13: 00007ffd179aead0 R14: 000055a4f5b52bc0 R15: 000055a4f5b63780 [ 49.798791] [ 49.799267] irq event stamp: 1769 [ 49.799873] hardirqs last enabled at (1777): [] __up_console_sem+0x78/0x80 [ 49.801429] hardirqs last disabled at (1788): [] __up_console_sem+0x5d/0x80 [ 49.802961] softirqs last enabled at (1640): [] handle_softirqs+0x50c/0x770 [ 49.804498] softirqs last disabled at (1635): [] __irq_exit_rcu+0xc4/0x100 [ 49.806014] ---[ end trace 0000000000000000 ]--- [ 50.749786] ------------[ cut here ]------------ [ 50.750751] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 50.753168] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/251 [ 50.755048] Modules linked in: [ 50.755654] CPU: 0 UID: 104 PID: 251 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 50.758085] Tainted: [W]=WARN [ 50.758808] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 50.760726] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 50.761955] 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 [ 50.765674] RSP: 0018:ffff88801c83fbc0 EFLAGS: 00010286 [ 50.766704] RAX: 0000000000000000 RBX: ffffed1003907f78 RCX: ffffffff813a4050 [ 50.768080] RDX: ffff88800a9cb780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 50.769414] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1003907f2f [ 50.770750] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 50.772133] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801c83fdf8 [ 50.773448] FS: 00007f067eb19900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 50.774962] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.776097] CR2: 00007ffd83ebcef7 CR3: 000000001329d000 CR4: 0000000000350ef0 [ 50.777437] Call Trace: [ 50.777960] [ 50.778371] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 50.779310] ? __create_object+0x59/0x80 [ 50.780147] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 50.781155] __vmalloc_noprof+0x59/0x60 [ 50.781902] bpf_prog_alloc_no_stats+0x55/0x470 [ 50.782828] ? __pfx_seccomp_check_filter+0x10/0x10 [ 50.783834] bpf_prog_alloc+0x39/0x200 [ 50.784609] ? __pfx_seccomp_check_filter+0x10/0x10 [ 50.785609] bpf_prog_create_from_user+0xb2/0x2f0 [ 50.786726] do_seccomp+0x349/0x25e0 [ 50.787510] ? find_held_lock+0x2b/0x80 [ 50.788318] ? do_prlimit+0x310/0x610 [ 50.789128] ? __pfx_do_seccomp+0x10/0x10 [ 50.789913] ? do_raw_spin_unlock+0x53/0x220 [ 50.790769] ? _raw_spin_unlock+0x1e/0x40 [ 50.791616] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 50.792630] ? static_key_count+0x60/0x80 [ 50.793482] prctl_set_seccomp+0x4e/0x70 [ 50.794316] __do_sys_prctl+0xe6c/0x1d70 [ 50.795188] ? __pfx___do_sys_prctl+0x10/0x10 [ 50.796160] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 50.797219] ? irqentry_exit+0xf3/0x650 [ 50.798039] do_syscall_64+0xbf/0x430 [ 50.798745] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 50.799790] RIP: 0033:0x7f067f00b5cd [ 50.800538] 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 [ 50.803865] RSP: 002b:00007ffd83ebb6a0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 50.805352] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f067f00b5cd [ 50.806698] RDX: 000055eb62afde00 RSI: 0000000000000002 RDI: 0000000000000016 [ 50.808076] RBP: 00007ffd83ebb700 R08: 0000000000000000 R09: 00007ffd83ebada0 [ 50.809450] R10: 0000000000000000 R11: 0000000000000246 R12: 000055eb8a21db10 [ 50.810786] R13: 00007ffd83ebbb30 R14: 000055eb8a21e2b0 R15: 000055eb8a2326f0 [ 50.812173] [ 50.812607] irq event stamp: 3053 [ 50.813298] hardirqs last enabled at (3063): [] __up_console_sem+0x78/0x80 [ 50.814875] hardirqs last disabled at (3072): [] __up_console_sem+0x5d/0x80 [ 50.816284] softirqs last enabled at (2896): [] handle_softirqs+0x50c/0x770 [ 50.817623] softirqs last disabled at (2891): [] __irq_exit_rcu+0xc4/0x100 [ 50.818991] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:18423' (ECDSA) to the list of known hosts. 2025/11/17 15:39:19 fuzzer started 2025/11/17 15:39:19 dialing manager at localhost:37895 2025/11/17 15:39:19 checking machine... 2025/11/17 15:39:19 checking revisions... [ 51.730675] kmemleak: Automatic memory scanning thread ended 2025/11/17 15:39:19 testing simple program... [ 51.819475] cgroup: Unknown subsys name 'net' [ 51.894750] cgroup: Unknown subsys name 'cpuset' [ 51.909143] cgroup: Unknown subsys name 'rlimit' executing program executing program VM DIAGNOSIS: 15:39:18 Registers: info registers vcpu 0 RAX=0000000000000000 RBX=ffff8880168dd340 RCX=ffffffff817d97d6 RDX=1ffff11002d1bb86 RSI=ffffffff8176a859 RDI=ffff8880168ddc30 RBP=ffff888015edff58 RSP=ffff888015edfed8 R8 =0000000000000001 R9 =0000000000000001 R10=ffffffff8664f657 R11=0000000000000000 R12=0000000000000000 R13=000000000000002e R14=0000000000000000 R15=0000000000000000 RIP=ffffffff8176a875 RFL=00000212 [----A--] 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 00007feee3429900 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe5100000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=000055a4f5b4e218 CR3=000000000cfaf000 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=bad5e8b2e6d835b000000000000ae988 XMM05=e9f420947cdbaa680000000000322bc8 XMM06=14648eaa1277bab10000000000321340 XMM07=fb795ef6d657705600000000003121f0 XMM08=4f5453444600273d67736d000d0a0920 XMM09=00000000000000000000000000000000 XMM10=20200000000020202020202020200000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=1ffffffff0d1f30e RBX=ffffffff868f9874 RCX=ffffffff83c63cd0 RDX=0000000000000000 RSI=ffffffff86d75ee0 RDI=ffffffff868f9874 RBP=ffffffff868f9874 RSP=ffff888009a774a8 R8 =ffffffff86d75ee0 R9 =0000000000000000 R10=000000000003c9ed R11=000000000009a530 R12=ffffffff868f9874 R13=ffffffff868f9874 R14=ffffffff868f9874 R15=dffffc0000000000 RIP=ffffffff8135daaf RFL=00000213 [----A-C] 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 00007fad6f527900 00000000 00000000 GS =0000 ffff8880e548f000 00000000 00000000 LDT=0000 fffffe2c00000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007fad6fade618 CR3=000000000c2a9000 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