syzkaller login: [ 38.945045] ------------[ cut here ]------------ [ 38.945966] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 38.947923] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/233 [ 38.949428] Modules linked in: [ 38.950009] CPU: 1 UID: 104 PID: 233 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 38.952207] Tainted: [W]=WARN [ 38.952907] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 38.954389] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 38.955251] Code: e0 ad 11 00 81 e6 1f 52 ee ff 89 4c 24 40 89 74 24 30 90 48 c7 c7 40 38 f1 84 4c 8d 44 24 40 48 8d 54 24 30 e8 30 7b 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 [ 38.958462] RSP: 0018:ffff88800efb7bc0 EFLAGS: 00010286 [ 38.959439] RAX: 0000000000000000 RBX: ffffed1001df6f78 RCX: ffffffff813a4050 [ 38.960706] RDX: ffff8880175a8000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 38.961979] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1001df6f2f [ 38.963256] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 38.964546] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88800efb7df8 [ 38.965827] FS: 00007f1878778900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 38.967257] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 38.968319] CR2: 00007fffa77e7ef7 CR3: 000000000e3c7000 CR4: 0000000000350ef0 [ 38.969617] Call Trace: [ 38.970077] [ 38.970514] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 38.971413] ? __create_object+0x59/0x80 [ 38.972145] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 38.973118] __vmalloc_noprof+0x59/0x60 [ 38.973861] bpf_prog_alloc_no_stats+0x55/0x470 [ 38.974723] ? __pfx_seccomp_check_filter+0x10/0x10 [ 38.975707] bpf_prog_alloc+0x39/0x200 [ 38.976461] ? __pfx_seccomp_check_filter+0x10/0x10 [ 38.977383] bpf_prog_create_from_user+0xb2/0x2f0 [ 38.978230] do_seccomp+0x349/0x25e0 [ 38.978950] ? find_held_lock+0x2b/0x80 [ 38.979709] ? do_prlimit+0x310/0x610 [ 38.980468] ? __pfx_do_seccomp+0x10/0x10 [ 38.981198] ? do_raw_spin_unlock+0x53/0x220 [ 38.982031] ? _raw_spin_unlock+0x1e/0x40 [ 38.982795] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 38.983750] ? static_key_count+0x60/0x80 [ 38.984566] prctl_set_seccomp+0x4e/0x70 [ 38.985335] __do_sys_prctl+0xe6c/0x1d70 [ 38.986060] ? __pfx___do_sys_prctl+0x10/0x10 [ 38.986910] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 38.987871] ? irqentry_exit+0xf3/0x650 [ 38.988650] do_syscall_64+0xbf/0x430 [ 38.989382] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 38.990325] RIP: 0033:0x7f1878c6a5cd [ 38.990977] 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 [ 38.994124] RSP: 002b:00007fffa77e6ba0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 38.995493] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f1878c6a5cd [ 38.996786] RDX: 000055f4f412ae00 RSI: 0000000000000002 RDI: 0000000000000016 [ 38.998070] RBP: 00007fffa77e6c00 R08: 0000000000000000 R09: 00007fffa77e62a0 [ 38.999368] R10: 0000000000000000 R11: 0000000000000246 R12: 000055f5030cb240 [ 39.000665] R13: 00007fffa77e7030 R14: 000055f5030d4380 R15: 000055f5030df540 [ 39.001968] [ 39.002434] irq event stamp: 1793 [ 39.003043] hardirqs last enabled at (1801): [] __up_console_sem+0x78/0x80 [ 39.004577] hardirqs last disabled at (1810): [] __up_console_sem+0x5d/0x80 [ 39.006097] softirqs last enabled at (1790): [] handle_softirqs+0x50c/0x770 [ 39.007645] softirqs last disabled at (1785): [] __irq_exit_rcu+0xc4/0x100 [ 39.009160] ---[ end trace 0000000000000000 ]--- [ 41.767378] ------------[ cut here ]------------ [ 41.768315] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 41.770323] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/241 [ 41.771748] Modules linked in: [ 41.772490] CPU: 1 UID: 104 PID: 241 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 41.774437] Tainted: [W]=WARN [ 41.774986] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 41.776437] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 41.777349] Code: e0 ad 11 00 81 e6 1f 52 ee ff 89 4c 24 40 89 74 24 30 90 48 c7 c7 40 38 f1 84 4c 8d 44 24 40 48 8d 54 24 30 e8 30 7b 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 [ 41.780507] RSP: 0018:ffff888016c8fbc0 EFLAGS: 00010286 [ 41.781469] RAX: 0000000000000000 RBX: ffffed1002d91f78 RCX: ffffffff813a4050 [ 41.782763] RDX: ffff8880173a9bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 41.784024] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002d91f2f [ 41.785311] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 41.786588] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888016c8fdf8 [ 41.787876] FS: 00007f74c6760900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 41.789312] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 41.790365] CR2: 00007ffc18aa8ef7 CR3: 0000000020514000 CR4: 0000000000350ef0 [ 41.791629] Call Trace: [ 41.792084] [ 41.792545] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 41.793433] ? __create_object+0x59/0x80 [ 41.794156] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 41.795107] __vmalloc_noprof+0x59/0x60 [ 41.795854] bpf_prog_alloc_no_stats+0x55/0x470 [ 41.796733] ? __pfx_seccomp_check_filter+0x10/0x10 [ 41.797655] bpf_prog_alloc+0x39/0x200 [ 41.798377] ? __pfx_seccomp_check_filter+0x10/0x10 [ 41.799246] bpf_prog_create_from_user+0xb2/0x2f0 [ 41.800145] do_seccomp+0x349/0x25e0 [ 41.800864] ? find_held_lock+0x2b/0x80 [ 41.801612] ? do_prlimit+0x310/0x610 [ 41.802341] ? __pfx_do_seccomp+0x10/0x10 [ 41.803079] ? do_raw_spin_unlock+0x53/0x220 [ 41.803900] ? _raw_spin_unlock+0x1e/0x40 [ 41.804705] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 41.805662] ? static_key_count+0x60/0x80 [ 41.806463] prctl_set_seccomp+0x4e/0x70 [ 41.807181] __do_sys_prctl+0xe6c/0x1d70 [ 41.807948] ? __pfx___do_sys_prctl+0x10/0x10 [ 41.808804] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 41.809768] ? irqentry_exit+0xf3/0x650 [ 41.810518] do_syscall_64+0xbf/0x430 [ 41.811203] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 41.812136] RIP: 0033:0x7f74c6c525cd [ 41.812852] 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 [ 41.816073] RSP: 002b:00007ffc18aa7980 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 41.817454] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f74c6c525cd [ 41.818732] RDX: 000055ab83df9e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 41.820009] RBP: 00007ffc18aa79e0 R08: 0000000000000000 R09: 00007ffc18aa7080 [ 41.821319] R10: 0000000000000000 R11: 0000000000000246 R12: 000055abbec522b0 [ 41.822601] R13: 00007ffc18aa7e10 R14: 000055abbec54d20 R15: 000055abbec668d0 [ 41.823898] [ 41.824368] irq event stamp: 3567 [ 41.824996] hardirqs last enabled at (3575): [] __up_console_sem+0x78/0x80 [ 41.826510] hardirqs last disabled at (3584): [] __up_console_sem+0x5d/0x80 [ 41.828037] softirqs last enabled at (3150): [] handle_softirqs+0x50c/0x770 [ 41.829563] softirqs last disabled at (3139): [] __irq_exit_rcu+0xc4/0x100 [ 41.830526] ---[ end trace 0000000000000000 ]--- [ 42.484643] ------------[ cut here ]------------ [ 42.485590] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.487612] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/248 [ 42.489376] Modules linked in: [ 42.489993] CPU: 0 UID: 104 PID: 248 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 42.492087] Tainted: [W]=WARN [ 42.492716] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.494243] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.495170] Code: e0 ad 11 00 81 e6 1f 52 ee ff 89 4c 24 40 89 74 24 30 90 48 c7 c7 40 38 f1 84 4c 8d 44 24 40 48 8d 54 24 30 e8 30 7b 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 [ 42.498470] RSP: 0018:ffff88801635fbc0 EFLAGS: 00010286 [ 42.499480] RAX: 0000000000000000 RBX: ffffed1002c6bf78 RCX: ffffffff813a4050 [ 42.500825] RDX: ffff888017790000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.502157] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002c6bf2f [ 42.503499] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.504829] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801635fdf8 [ 42.506185] FS: 00007f7d126ff900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 42.507687] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.508781] CR2: 00007ffe46988ef7 CR3: 000000000e1b8000 CR4: 0000000000350ef0 [ 42.510132] Call Trace: [ 42.510670] [ 42.511107] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.512048] ? __create_object+0x59/0x80 [ 42.512886] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.513913] __vmalloc_noprof+0x59/0x60 [ 42.514714] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.515641] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.516642] bpf_prog_alloc+0x39/0x200 [ 42.517430] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.518408] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.519366] do_seccomp+0x349/0x25e0 [ 42.520084] ? find_held_lock+0x2b/0x80 [ 42.520907] ? do_prlimit+0x310/0x610 [ 42.521701] ? __pfx_do_seccomp+0x10/0x10 [ 42.522547] ? do_raw_spin_unlock+0x53/0x220 [ 42.523434] ? _raw_spin_unlock+0x1e/0x40 [ 42.524217] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.525247] ? static_key_count+0x60/0x80 [ 42.526109] prctl_set_seccomp+0x4e/0x70 [ 42.526943] __do_sys_prctl+0xe6c/0x1d70 [ 42.527794] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.528733] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.529772] ? irqentry_exit+0xf3/0x650 [ 42.530597] do_syscall_64+0xbf/0x430 [ 42.531396] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.532428] RIP: 0033:0x7f7d12bf15cd [ 42.533156] 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 [ 42.536535] RSP: 002b:00007ffe46986e40 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.538021] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f7d12bf15cd [ 42.539427] RDX: 00005627c46e4e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.540849] RBP: 00007ffe46986ea0 R08: 0000000000000000 R09: 00007ffe46986540 [ 42.542093] R10: 0000000000000000 R11: 0000000000000246 R12: 00005627cd755ad0 [ 42.543339] R13: 00007ffe469872d0 R14: 00005627cd756bc0 R15: 00005627cd767780 [ 42.544529] [ 42.544882] irq event stamp: 1803 [ 42.545424] hardirqs last enabled at (1813): [] __up_console_sem+0x78/0x80 [ 42.546684] hardirqs last disabled at (1822): [] __up_console_sem+0x5d/0x80 [ 42.547970] softirqs last enabled at (1358): [] handle_softirqs+0x50c/0x770 [ 42.549283] softirqs last disabled at (1353): [] __irq_exit_rcu+0xc4/0x100 [ 42.550580] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:59298' (ECDSA) to the list of known hosts. 2025/11/18 12:21:54 fuzzer started 2025/11/18 12:21:55 dialing manager at localhost:34383 2025/11/18 12:21:55 checking machine... 2025/11/18 12:21:55 checking revisions... [ 43.454680] kmemleak: Automatic memory scanning thread ended 2025/11/18 12:21:55 testing simple program... [ 43.569536] cgroup: Unknown subsys name 'net' [ 43.642885] cgroup: Unknown subsys name 'cpuset' [ 43.660525] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program VM DIAGNOSIS: 12:21:54 Registers: info registers vcpu 0 RAX=0000000000000000 RBX=ffff888009613800 RCX=0000000000000001 RDX=1ffff110012c270a RSI=0000000000000000 RDI=ffff888009613851 RBP=0000000000000001 RSP=ffff888009627ac0 R8 =0000000000000001 R9 =ffffed10012c4f83 R10=0000000000000000 R11=0000000000000001 R12=ffff888009611c40 R13=ffff88806ce37400 R14=ffff888009613800 R15=dffffc0000000000 RIP=ffffffff814942d9 RFL=00000016 [----AP-] 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 fffffe3300000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f4fd368e5d8 CR3=000000000ec01000 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=2034353a31323a323120383120766f4e XMM01=73732878696e755f6d6170203a5d3034 XMM02=65736f6c63206e6f6973736573203a29 XMM03=755f6d6170203a5d3034325b64687373 XMM04=69662068637573206f4e203a656c6163 XMM05=3a656c696620766e65206e65706f206f XMM06=65733a6468737328766e655f6d617020 XMM07=6b7a79732034353a31323a3231203831 XMM08=30343d7974696c696261706163202279 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=0000000000025123 RBX=0000000000000001 RCX=ffffffff84c72d57 RDX=0000000000000000 RSI=0000000000000000 RDI=ffffffff814d2c90 RBP=dffffc0000000000 RSP=ffff8880096efe58 R8 =0000000000000001 R9 =ffffed100d9e639a R10=ffff88806cf31cd3 R11=0000000000000001 R12=ffffffff8664f850 R13=1ffff110012ddfd2 R14=0000000000000000 R15=0000000000000000 RIP=ffffffff84c7174e RFL=00000202 [-------] 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 fffffe6000000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007ffc18aa1000 CR3=00000000204cd000 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=6720646572637465733a4d41503d706f 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