syzkaller login: [ 39.069497] ------------[ cut here ]------------ [ 39.070451] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 39.072553] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/232 [ 39.074086] Modules linked in: [ 39.074679] CPU: 1 UID: 104 PID: 232 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 39.076668] Tainted: [W]=WARN [ 39.077261] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 39.078812] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 39.079682] 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 [ 39.082914] RSP: 0018:ffff888017327bc0 EFLAGS: 00010286 [ 39.083881] RAX: 0000000000000000 RBX: ffffed1002e64f78 RCX: ffffffff813a4050 [ 39.085190] RDX: ffff888016c80000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 39.086513] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002e64f2f [ 39.087813] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000400dc0 [ 39.089113] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888017327df8 [ 39.090436] FS: 00007f216ba07900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 39.091889] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 39.092969] CR2: 00007f216bf6d4a6 CR3: 000000000e4d9000 CR4: 0000000000350ef0 [ 39.094297] Call Trace: [ 39.094759] [ 39.095217] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 39.096092] ? __create_object+0x59/0x80 [ 39.096872] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.097870] __vmalloc_noprof+0x59/0x60 [ 39.098573] bpf_prog_alloc_no_stats+0x55/0x470 [ 39.099444] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.100388] bpf_prog_alloc+0x39/0x200 [ 39.101150] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.102121] bpf_prog_create_from_user+0xb2/0x2f0 [ 39.103040] do_seccomp+0x349/0x25e0 [ 39.103727] ? find_held_lock+0x2b/0x80 [ 39.104499] ? do_prlimit+0x310/0x610 [ 39.105250] ? __pfx_do_seccomp+0x10/0x10 [ 39.106079] ? do_raw_spin_unlock+0x53/0x220 [ 39.106933] ? _raw_spin_unlock+0x1e/0x40 [ 39.107664] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 39.108654] ? static_key_count+0x60/0x80 [ 39.109460] prctl_set_seccomp+0x4e/0x70 [ 39.110278] __do_sys_prctl+0xe6c/0x1d70 [ 39.111076] ? __pfx___do_sys_prctl+0x10/0x10 [ 39.111948] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 39.112931] ? irqentry_exit+0xf3/0x650 [ 39.113654] do_syscall_64+0xbf/0x430 [ 39.114446] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 39.115415] RIP: 0033:0x7f216bef95cd [ 39.116122] 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 [ 39.119358] RSP: 002b:00007ffc1935d0c0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 39.120735] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f216bef95cd [ 39.122064] RDX: 0000561352785e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 39.123348] RBP: 00007ffc1935d120 R08: 0000000000000000 R09: 00007ffc1935c7c0 [ 39.124644] R10: 0000000000000000 R11: 0000000000000246 R12: 000056136a314ad0 [ 39.125980] R13: 00007ffc1935d550 R14: 000056136a315bc0 R15: 000056136a326780 [ 39.127295] [ 39.127722] irq event stamp: 1705 [ 39.128360] hardirqs last enabled at (1715): [] __up_console_sem+0x78/0x80 [ 39.129936] hardirqs last disabled at (1724): [] __up_console_sem+0x5d/0x80 [ 39.131476] softirqs last enabled at (1674): [] handle_softirqs+0x50c/0x770 [ 39.133026] softirqs last disabled at (1669): [] __irq_exit_rcu+0xc4/0x100 [ 39.134584] ---[ end trace 0000000000000000 ]--- [ 41.875876] ------------[ cut here ]------------ [ 41.876755] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 41.878991] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/241 [ 41.880462] Modules linked in: [ 41.881107] CPU: 0 UID: 104 PID: 241 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 41.883116] Tainted: [W]=WARN [ 41.883702] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 41.885170] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 41.886104] 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 [ 41.889295] RSP: 0018:ffff88801851fbc0 EFLAGS: 00010286 [ 41.890297] RAX: 0000000000000000 RBX: ffffed10030a3f78 RCX: ffffffff813a4050 [ 41.891593] RDX: ffff888017341bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 41.892883] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed10030a3f2f [ 41.894188] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 41.895471] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801851fdf8 [ 41.896761] FS: 00007fbcac29f900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 41.898250] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 41.899318] CR2: 00007ffcaebf2ef7 CR3: 0000000017b81000 CR4: 0000000000350ef0 [ 41.900618] Call Trace: [ 41.901132] [ 41.901548] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 41.902460] ? __create_object+0x59/0x80 [ 41.903251] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 41.904236] __vmalloc_noprof+0x59/0x60 [ 41.905003] bpf_prog_alloc_no_stats+0x55/0x470 [ 41.905896] ? __pfx_seccomp_check_filter+0x10/0x10 [ 41.906834] bpf_prog_alloc+0x39/0x200 [ 41.907531] ? __pfx_seccomp_check_filter+0x10/0x10 [ 41.908469] bpf_prog_create_from_user+0xb2/0x2f0 [ 41.909374] do_seccomp+0x349/0x25e0 [ 41.910106] ? find_held_lock+0x2b/0x80 [ 41.910881] ? do_prlimit+0x310/0x610 [ 41.911582] ? __pfx_do_seccomp+0x10/0x10 [ 41.912377] ? do_raw_spin_unlock+0x53/0x220 [ 41.913206] ? _raw_spin_unlock+0x1e/0x40 [ 41.914016] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 41.914995] ? static_key_count+0x60/0x80 [ 41.915758] prctl_set_seccomp+0x4e/0x70 [ 41.916546] __do_sys_prctl+0xe6c/0x1d70 [ 41.917338] ? __pfx___do_sys_prctl+0x10/0x10 [ 41.918214] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 41.919192] ? irqentry_exit+0xf3/0x650 [ 41.919970] do_syscall_64+0xbf/0x430 [ 41.920675] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 41.921633] RIP: 0033:0x7fbcac7915cd [ 41.922477] 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 [ 41.925186] RSP: 002b:00007ffcaebf1400 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 41.926359] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fbcac7915cd [ 41.927434] RDX: 000055671c238e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 41.928556] RBP: 00007ffcaebf1460 R08: 0000000000000000 R09: 00007ffcaebf0b00 [ 41.929658] R10: 0000000000000000 R11: 0000000000000246 R12: 000055672957cad0 [ 41.930754] R13: 00007ffcaebf1890 R14: 000055672957dbc0 R15: 000055672958e780 [ 41.931887] [ 41.932245] irq event stamp: 1751 [ 41.932751] hardirqs last enabled at (1759): [] __up_console_sem+0x78/0x80 [ 41.934105] hardirqs last disabled at (1770): [] __up_console_sem+0x5d/0x80 [ 41.935392] softirqs last enabled at (1670): [] handle_softirqs+0x50c/0x770 [ 41.936871] softirqs last disabled at (1665): [] __irq_exit_rcu+0xc4/0x100 [ 41.938415] ---[ end trace 0000000000000000 ]--- [ 42.822635] ------------[ cut here ]------------ [ 42.823561] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.825610] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/249 [ 42.827130] Modules linked in: [ 42.827728] CPU: 0 UID: 104 PID: 249 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 42.829755] Tainted: [W]=WARN [ 42.830349] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.831830] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.832710] 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 [ 42.835898] RSP: 0018:ffff88801749fbc0 EFLAGS: 00010286 [ 42.836882] RAX: 0000000000000000 RBX: ffffed1002e93f78 RCX: ffffffff813a4050 [ 42.838194] RDX: ffff888017345340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.839481] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002e93f2f [ 42.840767] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.842104] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801749fdf8 [ 42.843392] FS: 00007f06f2256900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 42.844854] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.845936] CR2: 00007f06f2748580 CR3: 0000000009da5000 CR4: 0000000000350ef0 [ 42.847231] Call Trace: [ 42.847698] [ 42.848153] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.849070] ? __create_object+0x59/0x80 [ 42.849878] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.850862] __vmalloc_noprof+0x59/0x60 [ 42.851595] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.852482] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.853432] bpf_prog_alloc+0x39/0x200 [ 42.854191] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.855141] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.856066] do_seccomp+0x349/0x25e0 [ 42.856762] ? __pfx_css_rstat_updated+0x10/0x10 [ 42.857681] ? __pfx_do_seccomp+0x10/0x10 [ 42.858495] ? find_held_lock+0x2b/0x80 [ 42.859268] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.860254] ? static_key_count+0x60/0x80 [ 42.861083] prctl_set_seccomp+0x4e/0x70 [ 42.861886] __do_sys_prctl+0xe6c/0x1d70 [ 42.862625] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.863486] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.864468] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.865454] ? irqentry_exit+0xf3/0x650 [ 42.866241] do_syscall_64+0xbf/0x430 [ 42.867368] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.868345] RIP: 0033:0x7f06f27485cd [ 42.869048] 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 [ 42.872272] RSP: 002b:00007ffcebdae4d0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.873662] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f06f27485cd [ 42.874983] RDX: 000055cb93fa5e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.876266] RBP: 00007ffcebdae530 R08: 0000000000000000 R09: 00007ffcebdadbd0 [ 42.877537] R10: 0000000000000000 R11: 0000000000000246 R12: 000055cbc2160240 [ 42.878850] R13: 00007ffcebdae960 R14: 000055cbc2169380 R15: 000055cbc2174540 [ 42.880166] [ 42.880597] irq event stamp: 1697 [ 42.881244] hardirqs last enabled at (1707): [] __up_console_sem+0x78/0x80 [ 42.882809] hardirqs last disabled at (1718): [] __up_console_sem+0x5d/0x80 [ 42.884346] softirqs last enabled at (1588): [] handle_softirqs+0x50c/0x770 [ 42.885930] softirqs last disabled at (1577): [] __irq_exit_rcu+0xc4/0x100 [ 42.887462] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:58553' (ECDSA) to the list of known hosts. 2025/11/17 15:35:03 fuzzer started 2025/11/17 15:35:03 dialing manager at localhost:37895 2025/11/17 15:35:03 checking machine... 2025/11/17 15:35:03 checking revisions... [ 43.768953] kmemleak: Automatic memory scanning thread ended 2025/11/17 15:35:03 testing simple program... [ 43.854162] cgroup: Unknown subsys name 'net' [ 43.901619] cgroup: Unknown subsys name 'cpuset' [ 43.919816] cgroup: Unknown subsys name 'rlimit' executing program executing program VM DIAGNOSIS: 15:35:02 Registers: info registers vcpu 0 RAX=0000000000000000 RBX=0000000000000000 RCX=0000000000000002 RDX=0000000000000000 RSI=0000000000000000 RDI=ffffffff85e1ffe0 RBP=ffffffff85e1ffe0 RSP=ffff88806ce08978 R8 =0000000000000000 R9 =0000000000000000 R10=000000000003c9ed R11=0000000000023e3c R12=0000000000000002 R13=0000000000000000 R14=0000000000000000 R15=ffff88806ce08a70 RIP=ffffffff815bcf75 RFL=00000247 [---Z-PC] 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 00007fbcac29f900 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe0e00000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007ffcaebeb000 CR3=000000001ca1c000 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=0000000000000000 RBX=ffff8880161cfcd0 RCX=0000000000000001 RDX=0000000000000000 RSI=0000000000000000 RDI=0000000000000001 RBP=ffffffff85e1ffe0 RSP=ffff8880161cf1a0 R8 =0000000000000001 R9 =ffff8880161cf2a0 R10=000000000003c9ed R11=0000000000023172 R12=ffffffff8135e7a2 R13=ffff8880161cf2a8 R14=ffff888019adb780 R15=ffff8880161cf260 RIP=ffffffff81528f45 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 00007f1716171900 00000000 00000000 GS =0000 ffff8880e548f000 00000000 00000000 LDT=0000 fffffe0100000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f1716ce4008 CR3=0000000020180000 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=756e696c2d34365f3638782f62696c2f XMM01=6c69665f73736e62696c2f756e672d78 XMM02=00322e6f732e73656c69665f73736e62 XMM03=696c2f756e672d78756e696c2d34365f XMM04=00000000000000000000000000000000 XMM05=5a5a5a5a5a5a5a5a5a5a5a5a5a5a5a5a XMM06=20202020202020202020202020202020 XMM07=00000000000000000000000000000000 XMM08=637469775300000073656c000073696e XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000