syzkaller login: [ 45.933626] ------------[ cut here ]------------ [ 45.934546] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 45.936595] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/234 [ 45.938027] Modules linked in: [ 45.938608] CPU: 0 UID: 104 PID: 234 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 45.940573] Tainted: [W]=WARN [ 45.941390] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 45.942902] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 45.943793] 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 [ 45.946968] RSP: 0018:ffff888018a5fbc0 EFLAGS: 00010286 [ 45.947886] RAX: 0000000000000000 RBX: ffffed100314bf78 RCX: ffffffff813a4050 [ 45.949157] RDX: ffff888015715340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 45.950428] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed100314bf2f [ 45.951681] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 45.952968] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888018a5fdf8 [ 45.954229] FS: 00007f95f5e57900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 45.955647] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 45.956702] CR2: 00007f95f63bd4a6 CR3: 000000000d179000 CR4: 0000000000350ef0 [ 45.957988] Call Trace: [ 45.958455] [ 45.958864] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 45.959776] ? __create_object+0x59/0x80 [ 45.960556] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 45.961544] __vmalloc_noprof+0x59/0x60 [ 45.962308] bpf_prog_alloc_no_stats+0x55/0x470 [ 45.963188] ? __pfx_seccomp_check_filter+0x10/0x10 [ 45.964118] bpf_prog_alloc+0x39/0x200 [ 45.964839] ? __pfx_seccomp_check_filter+0x10/0x10 [ 45.965770] bpf_prog_create_from_user+0xb2/0x2f0 [ 45.966658] do_seccomp+0x349/0x25e0 [ 45.967386] ? find_held_lock+0x2b/0x80 [ 45.968163] ? do_prlimit+0x310/0x610 [ 45.968880] ? __pfx_do_seccomp+0x10/0x10 [ 45.969669] ? do_raw_spin_unlock+0x53/0x220 [ 45.970510] ? _raw_spin_unlock+0x1e/0x40 [ 45.971292] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 45.972257] ? static_key_count+0x60/0x80 [ 45.973080] prctl_set_seccomp+0x4e/0x70 [ 45.973810] __do_sys_prctl+0xe6c/0x1d70 [ 45.974587] ? __pfx___do_sys_prctl+0x10/0x10 [ 45.975458] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 45.976443] ? irqentry_exit+0xf3/0x650 [ 45.977231] do_syscall_64+0xbf/0x430 [ 45.977939] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 45.978911] RIP: 0033:0x7f95f63495cd [ 45.979623] 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 [ 45.982830] RSP: 002b:00007fff5a380f40 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 45.984200] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f95f63495cd [ 45.985510] RDX: 000055d900cb1e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 45.986802] RBP: 00007fff5a380fa0 R08: 0000000000000000 R09: 00007fff5a380640 [ 45.988092] R10: 0000000000000000 R11: 0000000000000246 R12: 000055d932459bf0 [ 45.989390] R13: 00007fff5a3813d0 R14: 000055d932463380 R15: 000055d93246e460 [ 45.990705] [ 45.991166] irq event stamp: 1811 [ 45.991779] hardirqs last enabled at (1819): [] __up_console_sem+0x78/0x80 [ 45.993330] hardirqs last disabled at (1828): [] __up_console_sem+0x5d/0x80 [ 45.994899] softirqs last enabled at (1694): [] handle_softirqs+0x50c/0x770 [ 45.996476] softirqs last disabled at (1689): [] __irq_exit_rcu+0xc4/0x100 [ 45.998006] ---[ end trace 0000000000000000 ]--- [ 48.692715] ------------[ cut here ]------------ [ 48.693687] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 48.695826] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/243 [ 48.697324] Modules linked in: [ 48.697916] CPU: 0 UID: 104 PID: 243 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 48.699969] Tainted: [W]=WARN [ 48.700549] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 48.702035] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 48.702916] 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 [ 48.706165] RSP: 0018:ffff88801734fbc0 EFLAGS: 00010286 [ 48.707155] RAX: 0000000000000000 RBX: ffffed1002e69f78 RCX: ffffffff813a4050 [ 48.708436] RDX: ffff888015508000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 48.709745] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002e69f2f [ 48.711064] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000400dc0 [ 48.712357] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801734fdf8 [ 48.713662] FS: 00007f8628c34900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 48.715104] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 48.716186] CR2: 00007f8629126580 CR3: 000000000d82d000 CR4: 0000000000350ef0 [ 48.717506] Call Trace: [ 48.718009] [ 48.718424] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 48.719334] ? __create_object+0x59/0x80 [ 48.720124] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 48.721123] __vmalloc_noprof+0x59/0x60 [ 48.721840] bpf_prog_alloc_no_stats+0x55/0x470 [ 48.722723] ? __pfx_seccomp_check_filter+0x10/0x10 [ 48.723652] bpf_prog_alloc+0x39/0x200 [ 48.724390] ? __pfx_seccomp_check_filter+0x10/0x10 [ 48.725347] bpf_prog_create_from_user+0xb2/0x2f0 [ 48.726270] do_seccomp+0x349/0x25e0 [ 48.727003] ? __pfx_css_rstat_updated+0x10/0x10 [ 48.727867] ? __pfx_do_seccomp+0x10/0x10 [ 48.728678] ? find_held_lock+0x2b/0x80 [ 48.729449] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 48.730436] ? static_key_count+0x60/0x80 [ 48.731251] prctl_set_seccomp+0x4e/0x70 [ 48.732038] __do_sys_prctl+0xe6c/0x1d70 [ 48.732800] ? __pfx___do_sys_prctl+0x10/0x10 [ 48.733659] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 48.734612] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 48.735584] ? irqentry_exit+0xf3/0x650 [ 48.736352] do_syscall_64+0xbf/0x430 [ 48.737102] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 48.738065] RIP: 0033:0x7f86291265cd [ 48.738728] 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 [ 48.741882] RSP: 002b:00007ffffa9f5020 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 48.743265] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f86291265cd [ 48.744568] RDX: 0000558353e58e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 48.745860] RBP: 00007ffffa9f5080 R08: 0000000000000000 R09: 00007ffffa9f4720 [ 48.747150] R10: 0000000000000000 R11: 0000000000000246 R12: 0000558372198ad0 [ 48.748437] R13: 00007ffffa9f54b0 R14: 0000558372199bc0 R15: 00005583721aa780 [ 48.749475] [ 48.749748] irq event stamp: 1805 [ 48.750164] hardirqs last enabled at (1815): [] __up_console_sem+0x78/0x80 [ 48.751144] hardirqs last disabled at (1824): [] __up_console_sem+0x5d/0x80 [ 48.752160] softirqs last enabled at (1774): [] handle_softirqs+0x50c/0x770 [ 48.753137] softirqs last disabled at (1769): [] __irq_exit_rcu+0xc4/0x100 [ 48.753837] ---[ end trace 0000000000000000 ]--- [ 49.418779] ------------[ cut here ]------------ [ 49.419702] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 49.421752] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/250 [ 49.423223] Modules linked in: [ 49.423815] CPU: 0 UID: 104 PID: 250 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 49.425774] Tainted: [W]=WARN [ 49.426455] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 49.427911] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 49.428822] 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 [ 49.431934] RSP: 0018:ffff888016c1fbc0 EFLAGS: 00010286 [ 49.432893] RAX: 0000000000000000 RBX: ffffed1002d83f78 RCX: ffffffff813a4050 [ 49.434167] RDX: ffff88800b653780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 49.435455] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002d83f2f [ 49.436732] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 49.437999] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888016c1fdf8 [ 49.439269] FS: 00007f79f34d0900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 49.440721] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 49.441768] CR2: 00007fff9fa4eef8 CR3: 000000001f339000 CR4: 0000000000350ef0 [ 49.443055] Call Trace: [ 49.443515] [ 49.443928] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 49.444839] ? __create_object+0x59/0x80 [ 49.445620] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 49.446584] __vmalloc_noprof+0x59/0x60 [ 49.447345] bpf_prog_alloc_no_stats+0x55/0x470 [ 49.448219] ? __pfx_seccomp_check_filter+0x10/0x10 [ 49.449169] bpf_prog_alloc+0x39/0x200 [ 49.449853] ? __pfx_seccomp_check_filter+0x10/0x10 [ 49.450773] bpf_prog_create_from_user+0xb2/0x2f0 [ 49.451666] do_seccomp+0x349/0x25e0 [ 49.452391] ? find_held_lock+0x2b/0x80 [ 49.453156] ? do_prlimit+0x310/0x610 [ 49.453844] ? __pfx_do_seccomp+0x10/0x10 [ 49.454624] ? do_raw_spin_unlock+0x53/0x220 [ 49.455457] ? _raw_spin_unlock+0x1e/0x40 [ 49.456246] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 49.457239] ? static_key_count+0x60/0x80 [ 49.458037] prctl_set_seccomp+0x4e/0x70 [ 49.458762] __do_sys_prctl+0xe6c/0x1d70 [ 49.459541] ? __pfx___do_sys_prctl+0x10/0x10 [ 49.460393] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 49.461368] ? irqentry_exit+0xf3/0x650 [ 49.462135] do_syscall_64+0xbf/0x430 [ 49.462822] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 49.463775] RIP: 0033:0x7f79f39c25cd [ 49.464493] 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 [ 49.467638] RSP: 002b:00007fff9fa4d7d0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 49.469008] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f79f39c25cd [ 49.470284] RDX: 0000560aa2de4e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 49.471555] RBP: 00007fff9fa4d830 R08: 0000000000000000 R09: 00007fff9fa4ced0 [ 49.472849] R10: 0000000000000000 R11: 0000000000000246 R12: 0000560aa4bc8bf0 [ 49.474118] R13: 00007fff9fa4dc60 R14: 0000560aa4bd2380 R15: 0000560aa4bdd460 [ 49.475410] [ 49.475829] irq event stamp: 1745 [ 49.476495] hardirqs last enabled at (1755): [] __up_console_sem+0x78/0x80 [ 49.477996] hardirqs last disabled at (1764): [] __up_console_sem+0x5d/0x80 [ 49.479506] softirqs last enabled at (1648): [] handle_softirqs+0x50c/0x770 [ 49.481057] softirqs last disabled at (1643): [] __irq_exit_rcu+0xc4/0x100 [ 49.482569] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:17282' (ECDSA) to the list of known hosts. 2025/11/18 05:14:22 fuzzer started 2025/11/18 05:14:22 dialing manager at localhost:37895 2025/11/18 05:14:22 checking machine... 2025/11/18 05:14:22 checking revisions... [ 50.404757] kmemleak: Automatic memory scanning thread ended 2025/11/18 05:14:22 testing simple program... [ 50.485109] cgroup: Unknown subsys name 'net' [ 50.544349] cgroup: Unknown subsys name 'cpuset' [ 50.563535] cgroup: Unknown subsys name 'rlimit' executing program executing program VM DIAGNOSIS: 05:14:21 Registers: info registers vcpu 0 RAX=ffffffff86ad52c1 RBX=0000000000000001 RCX=ffffffff86ad52bc RDX=0000000000000002 RSI=0000000000000001 RDI=ffffffff8673905c RBP=ffff88801549f7d0 RSP=ffff88801549f708 R8 =ffffffff86ad52bc R9 =0000000000000000 R10=000000000003c9ed R11=000000000002a32a R12=ffff88801549f7d8 R13=ffff88801549f7c0 R14=ffff88801549f7b9 R15=ffff88801549f778 RIP=ffffffff8135e83e 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 00007ff3952cb900 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe3a00000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00005583721cc000 CR3=000000000d8d0000 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=1179a156387304bb9242c394ffa4547c XMM02=ec2efd57dc4c00df00000000003057f8 XMM03=d5c3eb98dab1ac7400000000003058c8 XMM04=86e7855ef14b90c800000000000ae988 XMM05=1319e678c5640f8a0000000000321d50 XMM06=a748ccc27a5f04c10000000000321cb8 XMM07=58f17c1affdc82d600000000003136f0 XMM08=406589be3f9c4b220000000000313558 XMM09=00000000000000000000000000000000 XMM10=20200000000020202020202020200000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=0000000023a9ec2d RBX=ffff88801aed3780 RCX=0000000077e175eb RDX=0000000000000008 RSI=ffff88801aed4200 RDI=00000000f244ca63 RBP=ffff88801aed41d8 RSP=ffff8880188af8a8 R8 =0000000000000001 R9 =0000000000000000 R10=0000000000000001 R11=0000000000000000 R12=ffff88801aed4200 R13=7a63547877e175eb R14=0000000000000001 R15=0000000000000001 RIP=ffffffff815275a1 RFL=00000006 [-----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 00007f8628c34900 00000000 00000000 GS =0000 ffff8880e548f000 00000000 00000000 LDT=0000 fffffe4900000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007ffffa9ef000 CR3=000000000e4d3000 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=635f6e6f69737365733a4d41503d706f XMM01=6f6c5f6d61702c78756e696c65735f6d XMM02=61702c74696d7265705f6d61702c7469 XMM03=655f6d61702c7374696d696c5f6d6170 XMM04=3d6c616e696d72657420322e322e302e XMM05=3d656d616e74736f682022646873732f XMM06=746f6f72223d746363612078756e696c XMM07=6e655f6d61702c7374696d696c5f6d61 XMM08=652075253d64692073253d706f000000 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000