syzkaller login: [ 39.109970] ------------[ cut here ]------------ [ 39.110905] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 39.112960] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/233 [ 39.114390] Modules linked in: [ 39.115058] CPU: 0 UID: 104 PID: 233 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 39.117043] Tainted: [W]=WARN [ 39.117589] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 39.119043] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 39.119959] 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 [ 39.123097] RSP: 0018:ffff88800bbdfbc0 EFLAGS: 00010286 [ 39.124081] RAX: 0000000000000000 RBX: ffffed100177bf78 RCX: ffffffff813a4050 [ 39.125360] RDX: ffff88801896d340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 39.126636] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed100177bf2f [ 39.127917] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 39.129193] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88800bbdfdf8 [ 39.130471] FS: 00007f3d9ace7900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 39.131904] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 39.132962] CR2: 00007ffdc8f60ef8 CR3: 0000000010993000 CR4: 0000000000350ef0 [ 39.134232] Call Trace: [ 39.134691] [ 39.135140] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 39.136045] ? __create_object+0x59/0x80 [ 39.136776] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.137740] __vmalloc_noprof+0x59/0x60 [ 39.138507] bpf_prog_alloc_no_stats+0x55/0x470 [ 39.139364] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.140300] bpf_prog_alloc+0x39/0x200 [ 39.141041] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.141964] bpf_prog_create_from_user+0xb2/0x2f0 [ 39.142863] do_seccomp+0x349/0x25e0 [ 39.143529] ? find_held_lock+0x2b/0x80 [ 39.144292] ? do_prlimit+0x310/0x610 [ 39.145037] ? __pfx_do_seccomp+0x10/0x10 [ 39.145768] ? do_raw_spin_unlock+0x53/0x220 [ 39.146596] ? _raw_spin_unlock+0x1e/0x40 [ 39.147366] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 39.148336] ? static_key_count+0x60/0x80 [ 39.149146] prctl_set_seccomp+0x4e/0x70 [ 39.149915] __do_sys_prctl+0xe6c/0x1d70 [ 39.150645] ? __pfx___do_sys_prctl+0x10/0x10 [ 39.151528] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 39.152512] ? irqentry_exit+0xf3/0x650 [ 39.153282] do_syscall_64+0xbf/0x430 [ 39.154042] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 39.154996] RIP: 0033:0x7f3d9b1d95cd [ 39.155651] 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 [ 39.158816] RSP: 002b:00007ffdc8f5f610 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 39.160194] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f3d9b1d95cd [ 39.161476] RDX: 000055a6e6951e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 39.162750] RBP: 00007ffdc8f5f670 R08: 0000000000000000 R09: 00007ffdc8f5ed10 [ 39.164034] R10: 0000000000000000 R11: 0000000000000246 R12: 000055a7083c9240 [ 39.165317] R13: 00007ffdc8f5faa0 R14: 000055a7083c8bf0 R15: 000055a7083dd4d0 [ 39.166607] [ 39.167075] irq event stamp: 1733 [ 39.167683] hardirqs last enabled at (1741): [] __up_console_sem+0x78/0x80 [ 39.169198] hardirqs last disabled at (1750): [] __up_console_sem+0x5d/0x80 [ 39.170696] softirqs last enabled at (1614): [] handle_softirqs+0x50c/0x770 [ 39.172231] softirqs last disabled at (1609): [] __irq_exit_rcu+0xc4/0x100 [ 39.173733] ---[ end trace 0000000000000000 ]--- [ 41.977875] ------------[ cut here ]------------ [ 41.978905] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 41.980738] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/242 [ 41.981962] Modules linked in: [ 41.982450] CPU: 1 UID: 104 PID: 242 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 41.984105] Tainted: [W]=WARN [ 41.984574] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 41.985813] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 41.986531] 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 [ 41.989165] RSP: 0018:ffff888017777bc0 EFLAGS: 00010286 [ 41.990064] RAX: 0000000000000000 RBX: ffffed1002eeef78 RCX: ffffffff813a4050 [ 41.991112] RDX: ffff888018a5d340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 41.992174] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002eeef2f [ 41.993237] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 41.994291] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888017777df8 [ 41.995527] FS: 00007fe59e626900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 41.996740] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 41.997629] CR2: 00007fe59eb18580 CR3: 000000000bcdb000 CR4: 0000000000350ef0 [ 41.998690] Call Trace: [ 41.999122] [ 41.999470] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.000227] ? __create_object+0x59/0x80 [ 42.000879] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.001644] __vmalloc_noprof+0x59/0x60 [ 42.002275] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.003085] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.003861] bpf_prog_alloc+0x39/0x200 [ 42.004434] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.005197] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.005944] do_seccomp+0x349/0x25e0 [ 42.006504] ? __pfx_css_rstat_updated+0x10/0x10 [ 42.007254] ? __pfx_do_seccomp+0x10/0x10 [ 42.007914] ? find_held_lock+0x2b/0x80 [ 42.008504] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.009293] ? static_key_count+0x60/0x80 [ 42.009959] prctl_set_seccomp+0x4e/0x70 [ 42.010564] __do_sys_prctl+0xe6c/0x1d70 [ 42.011211] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.011938] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.012698] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.013503] ? irqentry_exit+0xf3/0x650 [ 42.014132] do_syscall_64+0xbf/0x430 [ 42.014707] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.015495] RIP: 0033:0x7fe59eb185cd [ 42.016085] 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 [ 42.018717] RSP: 002b:00007ffe48147f50 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.019858] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fe59eb185cd [ 42.020921] RDX: 000055656a2e4e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.021982] RBP: 00007ffe48147fb0 R08: 0000000000000000 R09: 00007ffe48147650 [ 42.023044] R10: 0000000000000000 R11: 0000000000000246 R12: 000055656a8cead0 [ 42.024109] R13: 00007ffe481483e0 R14: 000055656a8cfbc0 R15: 000055656a8e0780 [ 42.025186] [ 42.025541] irq event stamp: 1725 [ 42.026075] hardirqs last enabled at (1735): [] __up_console_sem+0x78/0x80 [ 42.027340] hardirqs last disabled at (1744): [] __up_console_sem+0x5d/0x80 [ 42.028615] softirqs last enabled at (1758): [] handle_softirqs+0x50c/0x770 [ 42.029895] softirqs last disabled at (1753): [] __irq_exit_rcu+0xc4/0x100 [ 42.031151] ---[ end trace 0000000000000000 ]--- [ 42.682151] ------------[ cut here ]------------ [ 42.683075] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.685087] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/249 [ 42.686548] Modules linked in: [ 42.687414] CPU: 0 UID: 104 PID: 249 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 42.689892] Tainted: [W]=WARN [ 42.690444] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.691924] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.692782] 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 [ 42.695966] RSP: 0018:ffff888017667bc0 EFLAGS: 00010286 [ 42.696948] RAX: 0000000000000000 RBX: ffffed1002eccf78 RCX: ffffffff813a4050 [ 42.698235] RDX: ffff88800d848000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.699528] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002eccf2f [ 42.700842] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.702143] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888017667df8 [ 42.703427] FS: 00007f0bac9fd900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 42.704880] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.705926] CR2: 00007ffe56df3ef8 CR3: 0000000020b6a000 CR4: 0000000000350ef0 [ 42.707198] Call Trace: [ 42.707657] [ 42.708125] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.709022] ? __create_object+0x59/0x80 [ 42.709751] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.710714] __vmalloc_noprof+0x59/0x60 [ 42.711483] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.712381] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.713302] bpf_prog_alloc+0x39/0x200 [ 42.714046] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.714976] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.715894] do_seccomp+0x349/0x25e0 [ 42.716566] ? find_held_lock+0x2b/0x80 [ 42.717321] ? do_prlimit+0x310/0x610 [ 42.718046] ? __pfx_do_seccomp+0x10/0x10 [ 42.718779] ? do_raw_spin_unlock+0x53/0x220 [ 42.719615] ? _raw_spin_unlock+0x1e/0x40 [ 42.720409] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.721361] ? static_key_count+0x60/0x80 [ 42.722158] prctl_set_seccomp+0x4e/0x70 [ 42.722941] __do_sys_prctl+0xe6c/0x1d70 [ 42.723677] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.724543] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.725511] ? irqentry_exit+0xf3/0x650 [ 42.726267] do_syscall_64+0xbf/0x430 [ 42.727016] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.727976] RIP: 0033:0x7f0baceef5cd [ 42.728623] 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 [ 42.731747] RSP: 002b:00007ffe56df2130 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.733130] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f0baceef5cd [ 42.734409] RDX: 000055cd21172e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.735680] RBP: 00007ffe56df2190 R08: 0000000000000000 R09: 00007ffe56df1830 [ 42.737004] R10: 0000000000000000 R11: 0000000000000246 R12: 000055cd44e63ad0 [ 42.738272] R13: 00007ffe56df25c0 R14: 000055cd44e64bc0 R15: 000055cd44e75780 [ 42.739571] [ 42.740034] irq event stamp: 1867 [ 42.740636] hardirqs last enabled at (1875): [] __up_console_sem+0x78/0x80 [ 42.742147] hardirqs last disabled at (1884): [] __up_console_sem+0x5d/0x80 [ 42.743659] softirqs last enabled at (1700): [] handle_softirqs+0x50c/0x770 [ 42.744808] softirqs last disabled at (1695): [] __irq_exit_rcu+0xc4/0x100 [ 42.745751] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:9183' (ECDSA) to the list of known hosts. 2025/11/17 21:49:28 fuzzer started 2025/11/17 21:49:28 dialing manager at localhost:37895 2025/11/17 21:49:28 checking machine... 2025/11/17 21:49:28 checking revisions... [ 43.601381] kmemleak: Automatic memory scanning thread ended 2025/11/17 21:49:28 testing simple program... [ 43.664022] cgroup: Unknown subsys name 'net' [ 43.717032] cgroup: Unknown subsys name 'cpuset' [ 43.733395] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program VM DIAGNOSIS: 21:49:27 Registers: info registers vcpu 0 RAX=0000000000000020 RBX=ffff888009611bc0 RCX=0000000000000200 RDX=0000000000000008 RSI=ffff888009612640 RDI=ffff888009611bc0 RBP=ffff888009612618 RSP=ffff888009627698 R8 =0000000000000000 R9 =0000000000000005 R10=0000000000000001 R11=0000000000000000 R12=ffff888009612640 R13=b503ba001073dead R14=0000000000000000 R15=0000000000000001 RIP=ffffffff81527498 RFL=00000002 [-------] 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 fffffe6b00000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007fe59e5eb008 CR3=00000000208f7000 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=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 info registers vcpu 1 RAX=dffffc0000000000 RBX=0000000000000001 RCX=ffff888016dc7638 RDX=1ffff11002db8ebe RSI=ffffffff8161932e RDI=ffff888016dc7598 RBP=ffff888016dc75f0 RSP=ffff888016dc7528 R8 =0000000000000001 R9 =ffff888016dc75d8 R10=000000000003c9ed R11=000000000000453f R12=0000000000000000 R13=0000000000000000 R14=ffff888014eab780 R15=ffff888016dc7598 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 00007fe59e626900 00000000 00000000 GS =0000 ffff8880e548f000 00000000 00000000 LDT=0000 fffffe4400000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007fe59e5e6008 CR3=00000000208f7000 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=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