syzkaller login: [ 45.890950] ------------[ cut here ]------------ [ 45.892004] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 45.894196] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/235 [ 45.895850] Modules linked in: [ 45.896574] CPU: 0 UID: 104 PID: 235 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 45.898777] Tainted: [W]=WARN [ 45.899449] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 45.901106] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 45.902118] 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 [ 45.905649] RSP: 0018:ffff88800dd87bc0 EFLAGS: 00010286 [ 45.906742] RAX: 0000000000000000 RBX: ffffed1001bb0f78 RCX: ffffffff813a4050 [ 45.908178] RDX: ffff888018e93780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 45.909591] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1001bb0f2f [ 45.911017] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 45.912457] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88800dd87df8 [ 45.913890] FS: 00007f3ca6fed900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 45.915505] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 45.916699] CR2: 00007ffe936f6ef7 CR3: 000000000c45c000 CR4: 0000000000350ef0 [ 45.918127] Call Trace: [ 45.918640] [ 45.919151] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 45.920140] ? __create_object+0x59/0x80 [ 45.921041] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 45.922157] __vmalloc_noprof+0x59/0x60 [ 45.923039] bpf_prog_alloc_no_stats+0x55/0x470 [ 45.924072] ? __pfx_seccomp_check_filter+0x10/0x10 [ 45.925154] bpf_prog_alloc+0x39/0x200 [ 45.926007] ? __pfx_seccomp_check_filter+0x10/0x10 [ 45.927080] bpf_prog_create_from_user+0xb2/0x2f0 [ 45.928135] do_seccomp+0x349/0x25e0 [ 45.928964] ? find_held_lock+0x2b/0x80 [ 45.929785] ? do_prlimit+0x310/0x610 [ 45.930637] ? __pfx_do_seccomp+0x10/0x10 [ 45.931548] ? do_raw_spin_unlock+0x53/0x220 [ 45.932524] ? _raw_spin_unlock+0x1e/0x40 [ 45.933424] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 45.934531] ? static_key_count+0x60/0x80 [ 45.935449] prctl_set_seccomp+0x4e/0x70 [ 45.936354] __do_sys_prctl+0xe6c/0x1d70 [ 45.937262] ? __pfx___do_sys_prctl+0x10/0x10 [ 45.938256] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 45.939370] ? irqentry_exit+0xf3/0x650 [ 45.940267] do_syscall_64+0xbf/0x430 [ 45.941130] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 45.942240] RIP: 0033:0x7f3ca74df5cd [ 45.943053] 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 [ 45.946745] RSP: 002b:00007ffe936f51c0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 45.948338] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f3ca74df5cd [ 45.949821] RDX: 0000561b1eda6e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 45.951302] RBP: 00007ffe936f5220 R08: 0000000000000000 R09: 00007ffe936f48c0 [ 45.952791] R10: 0000000000000000 R11: 0000000000000246 R12: 0000561b3955aad0 [ 45.954276] R13: 00007ffe936f5650 R14: 0000561b3955bbc0 R15: 0000561b3956c780 [ 45.955764] [ 45.956319] irq event stamp: 1801 [ 45.957065] hardirqs last enabled at (1811): [] __up_console_sem+0x78/0x80 [ 45.958821] hardirqs last disabled at (1820): [] __up_console_sem+0x5d/0x80 [ 45.960595] softirqs last enabled at (1692): [] handle_softirqs+0x50c/0x770 [ 45.962117] softirqs last disabled at (1687): [] __irq_exit_rcu+0xc4/0x100 [ 45.963562] ---[ end trace 0000000000000000 ]--- [ 49.211538] ------------[ cut here ]------------ [ 49.212327] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 49.213989] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/242 [ 49.215500] Modules linked in: [ 49.216036] CPU: 1 UID: 104 PID: 242 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 49.217665] Tainted: [W]=WARN [ 49.218143] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 49.219348] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 49.220104] 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 [ 49.222744] RSP: 0018:ffff8880165a7bc0 EFLAGS: 00010286 [ 49.223547] RAX: 0000000000000000 RBX: ffffed1002cb4f78 RCX: ffffffff813a4050 [ 49.224621] RDX: ffff888016125340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 49.225664] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002cb4f2f [ 49.226732] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 49.227787] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff8880165a7df8 [ 49.228850] FS: 00007fca8e3ae900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 49.230030] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 49.230865] CR2: 00007fff31667ef7 CR3: 000000001fe0a000 CR4: 0000000000350ef0 [ 49.231926] Call Trace: [ 49.232325] [ 49.232661] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 49.233408] ? __create_object+0x59/0x80 [ 49.234047] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 49.234819] __vmalloc_noprof+0x59/0x60 [ 49.235447] bpf_prog_alloc_no_stats+0x55/0x470 [ 49.236175] ? __pfx_seccomp_check_filter+0x10/0x10 [ 49.236946] bpf_prog_alloc+0x39/0x200 [ 49.237520] ? __pfx_seccomp_check_filter+0x10/0x10 [ 49.238291] bpf_prog_create_from_user+0xb2/0x2f0 [ 49.239037] do_seccomp+0x349/0x25e0 [ 49.239597] ? find_held_lock+0x2b/0x80 [ 49.240236] ? do_prlimit+0x310/0x610 [ 49.240821] ? __pfx_do_seccomp+0x10/0x10 [ 49.241474] ? do_raw_spin_unlock+0x53/0x220 [ 49.242147] ? _raw_spin_unlock+0x1e/0x40 [ 49.242753] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 49.243553] ? static_key_count+0x60/0x80 [ 49.244209] prctl_set_seccomp+0x4e/0x70 [ 49.244818] __do_sys_prctl+0xe6c/0x1d70 [ 49.245459] ? __pfx___do_sys_prctl+0x10/0x10 [ 49.246163] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 49.246958] ? irqentry_exit+0xf3/0x650 [ 49.247559] do_syscall_64+0xbf/0x430 [ 49.248170] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 49.248952] RIP: 0033:0x7fca8e8a05cd [ 49.249495] 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 [ 49.252114] RSP: 002b:00007fff316660a0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 49.253230] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fca8e8a05cd [ 49.254289] RDX: 0000559820ac9e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 49.255356] RBP: 00007fff31666100 R08: 0000000000000000 R09: 00007fff316657a0 [ 49.256411] R10: 0000000000000000 R11: 0000000000000246 R12: 0000559842a8cad0 [ 49.257470] R13: 00007fff31666530 R14: 0000559842a8dbc0 R15: 0000559842a9e780 [ 49.258555] [ 49.258934] irq event stamp: 1767 [ 49.259432] hardirqs last enabled at (1775): [] __up_console_sem+0x78/0x80 [ 49.260684] hardirqs last disabled at (1784): [] __up_console_sem+0x5d/0x80 [ 49.261929] softirqs last enabled at (1502): [] handle_softirqs+0x50c/0x770 [ 49.263195] softirqs last disabled at (1497): [] __irq_exit_rcu+0xc4/0x100 [ 49.264454] ---[ end trace 0000000000000000 ]--- [ 50.045154] ------------[ cut here ]------------ [ 50.046100] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 50.048091] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/249 [ 50.049538] Modules linked in: [ 50.050227] CPU: 0 UID: 104 PID: 249 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 50.052383] Tainted: [W]=WARN [ 50.052992] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 50.054524] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 50.055435] 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 [ 50.058615] RSP: 0018:ffff888016a87bc0 EFLAGS: 00010286 [ 50.059608] RAX: 0000000000000000 RBX: ffffed1002d50f78 RCX: ffffffff813a4050 [ 50.060919] RDX: ffff88800e62b780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 50.062215] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002d50f2f [ 50.063504] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 50.064845] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888016a87df8 [ 50.066131] FS: 00007f2cfbbd0900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 50.067573] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.068661] CR2: 00007ffce5c5cef7 CR3: 000000000e5b1000 CR4: 0000000000350ef0 [ 50.069972] Call Trace: [ 50.070449] [ 50.070860] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 50.071768] ? __create_object+0x59/0x80 [ 50.072577] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 50.073570] __vmalloc_noprof+0x59/0x60 [ 50.074334] bpf_prog_alloc_no_stats+0x55/0x470 [ 50.075208] ? __pfx_seccomp_check_filter+0x10/0x10 [ 50.076155] bpf_prog_alloc+0x39/0x200 [ 50.076852] ? __pfx_seccomp_check_filter+0x10/0x10 [ 50.077800] bpf_prog_create_from_user+0xb2/0x2f0 [ 50.078698] do_seccomp+0x349/0x25e0 [ 50.079439] ? find_held_lock+0x2b/0x80 [ 50.080226] ? do_prlimit+0x310/0x610 [ 50.080952] ? __pfx_do_seccomp+0x10/0x10 [ 50.081697] ? do_raw_spin_unlock+0x53/0x220 [ 50.082537] ? _raw_spin_unlock+0x1e/0x40 [ 50.083320] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 50.084320] ? static_key_count+0x60/0x80 [ 50.085124] prctl_set_seccomp+0x4e/0x70 [ 50.085856] __do_sys_prctl+0xe6c/0x1d70 [ 50.086644] ? __pfx___do_sys_prctl+0x10/0x10 [ 50.087504] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 50.088481] ? irqentry_exit+0xf3/0x650 [ 50.089259] do_syscall_64+0xbf/0x430 [ 50.090022] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 50.090985] RIP: 0033:0x7f2cfc0c25cd [ 50.091662] 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 [ 50.094861] RSP: 002b:00007ffce5c5a360 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 50.096271] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f2cfc0c25cd [ 50.097583] RDX: 000055fb6e5dbe00 RSI: 0000000000000002 RDI: 0000000000000016 [ 50.098883] RBP: 00007ffce5c5a3c0 R08: 0000000000000000 R09: 00007ffce5c59a60 [ 50.100214] R10: 0000000000000000 R11: 0000000000000246 R12: 000055fb71a872b0 [ 50.101497] R13: 00007ffce5c5a7f0 R14: 000055fb71a89d20 R15: 000055fb71a9b8d0 [ 50.102843] [ 50.103308] irq event stamp: 1741 [ 50.103950] hardirqs last enabled at (1751): [] __up_console_sem+0x78/0x80 [ 50.105519] hardirqs last disabled at (1760): [] __up_console_sem+0x5d/0x80 [ 50.107055] softirqs last enabled at (1686): [] handle_softirqs+0x50c/0x770 [ 50.108669] softirqs last disabled at (1681): [] __irq_exit_rcu+0xc4/0x100 [ 50.110358] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:43530' (ECDSA) to the list of known hosts. 2025/11/18 18:57:08 fuzzer started 2025/11/18 18:57:08 dialing manager at localhost:34383 2025/11/18 18:57:08 checking machine... 2025/11/18 18:57:08 checking revisions... [ 51.147008] kmemleak: Automatic memory scanning thread ended 2025/11/18 18:57:09 testing simple program... [ 51.241542] cgroup: Unknown subsys name 'net' [ 51.289477] cgroup: Unknown subsys name 'cpuset' [ 51.302006] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program VM DIAGNOSIS: 18:57:07 Registers: info registers vcpu 0 RAX=0000000000000000 RBX=ffff888009627948 RCX=ffffffff86a49dcc RDX=0000000000000000 RSI=0000000000000000 RDI=0000000000000001 RBP=ffffffff85e1ffe0 RSP=ffff888009627758 R8 =ffffffff86a49dd0 R9 =ffff888009627850 R10=000000000003c9ed R11=0000000000012f5f R12=ffffffff8135e7a2 R13=0000000000000206 R14=ffff888009611bc0 R15=ffff888009627810 RIP=ffffffff81528f47 RFL=00000206 [-----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 0000000000000000 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe6000000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007fff31660000 CR3=000000001fe06000 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 info registers vcpu 1 RAX=0000000000023c33 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=00000206 [-----P-] 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 fffffe5800000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f9edc4ee000 CR3=000000000db64000 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=7f66f38d84f8b4ac9e46fb97b2312332 XMM02=ec2efd57dc4c00df0000000000304408 XMM03=9fc725f2d2b7cf4d00000000003044d8 XMM04=86c5b67f70ad991300000000000ae988 XMM05=090f1556b20111b30000000000320e80 XMM06=5b75c91c804453420000000000320d08 XMM07=e042d86d42eb936e0000000000311e90 XMM08=9fc725f2d2b7cf4d00000000003044d8 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000