syzkaller login: [ 39.301158] ------------[ cut here ]------------ [ 39.301931] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 39.303635] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/233 [ 39.304844] Modules linked in: [ 39.305344] CPU: 1 UID: 104 PID: 233 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 39.307006] Tainted: [W]=WARN [ 39.307464] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 39.308716] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 39.309466] 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 [ 39.312143] RSP: 0018:ffff88800f93fbc0 EFLAGS: 00010286 [ 39.312958] RAX: 0000000000000000 RBX: ffffed1001f27f78 RCX: ffffffff813a4050 [ 39.314058] RDX: ffff888014f45340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 39.315144] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1001f27f2f [ 39.316225] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000400dc0 [ 39.317299] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88800f93fdf8 [ 39.318382] FS: 00007f1927f87900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 39.319573] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 39.320456] CR2: 00007ffc6dd5fef8 CR3: 000000000efd8000 CR4: 0000000000350ef0 [ 39.321545] Call Trace: [ 39.321956] [ 39.322302] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 39.323051] ? __create_object+0x59/0x80 [ 39.323675] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.324497] __vmalloc_noprof+0x59/0x60 [ 39.325150] bpf_prog_alloc_no_stats+0x55/0x470 [ 39.325899] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.326652] bpf_prog_alloc+0x39/0x200 [ 39.327270] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.328076] bpf_prog_create_from_user+0xb2/0x2f0 [ 39.328833] do_seccomp+0x349/0x25e0 [ 39.329409] ? find_held_lock+0x2b/0x80 [ 39.330045] ? do_prlimit+0x310/0x610 [ 39.330631] ? __pfx_do_seccomp+0x10/0x10 [ 39.331307] ? do_raw_spin_unlock+0x53/0x220 [ 39.332011] ? _raw_spin_unlock+0x1e/0x40 [ 39.332637] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 39.333449] ? static_key_count+0x60/0x80 [ 39.334113] prctl_set_seccomp+0x4e/0x70 [ 39.334760] __do_sys_prctl+0xe6c/0x1d70 [ 39.335377] ? __pfx___do_sys_prctl+0x10/0x10 [ 39.336103] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 39.336914] ? irqentry_exit+0xf3/0x650 [ 39.337527] do_syscall_64+0xbf/0x430 [ 39.338143] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 39.338941] RIP: 0033:0x7f19284795cd [ 39.339494] 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 [ 39.342195] RSP: 002b:00007ffc6dd5ed80 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 39.343337] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f19284795cd [ 39.344419] RDX: 000055a61ccd6e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 39.345510] RBP: 00007ffc6dd5ede0 R08: 0000000000000000 R09: 00007ffc6dd5e480 [ 39.346591] R10: 0000000000000000 R11: 0000000000000246 R12: 000055a62c974ad0 [ 39.347664] R13: 00007ffc6dd5f210 R14: 000055a62c975bc0 R15: 000055a62c986780 [ 39.348754] [ 39.349110] irq event stamp: 1693 [ 39.349635] hardirqs last enabled at (1701): [] __up_console_sem+0x78/0x80 [ 39.350948] hardirqs last disabled at (1710): [] __up_console_sem+0x5d/0x80 [ 39.352233] softirqs last enabled at (1560): [] handle_softirqs+0x50c/0x770 [ 39.353596] softirqs last disabled at (1555): [] __irq_exit_rcu+0xc4/0x100 [ 39.355037] ---[ end trace 0000000000000000 ]--- [ 42.268513] ------------[ cut here ]------------ [ 42.269455] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.271537] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/242 [ 42.272984] Modules linked in: [ 42.273586] CPU: 0 UID: 104 PID: 242 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 42.275614] Tainted: [W]=WARN [ 42.276212] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.277735] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.278611] 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 [ 42.281816] RSP: 0018:ffff888017c27bc0 EFLAGS: 00010286 [ 42.282814] RAX: 0000000000000000 RBX: ffffed1002f84f78 RCX: ffffffff813a4050 [ 42.284120] RDX: ffff88800f6fd340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.285422] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002f84f2f [ 42.286728] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.288013] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888017c27df8 [ 42.289323] FS: 00007f09a796a900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 42.290778] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.291857] CR2: 00007ffe4d3f2ef8 CR3: 0000000010554000 CR4: 0000000000350ef0 [ 42.293132] Call Trace: [ 42.293612] [ 42.294074] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.294982] ? __create_object+0x59/0x80 [ 42.295765] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.296736] __vmalloc_noprof+0x59/0x60 [ 42.297464] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.298349] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.299288] bpf_prog_alloc+0x39/0x200 [ 42.300034] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.300985] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.301934] do_seccomp+0x349/0x25e0 [ 42.302632] ? find_held_lock+0x2b/0x80 [ 42.303421] ? do_prlimit+0x310/0x610 [ 42.304178] ? __pfx_do_seccomp+0x10/0x10 [ 42.304989] ? do_raw_spin_unlock+0x53/0x220 [ 42.305864] ? _raw_spin_unlock+0x1e/0x40 [ 42.306626] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.307632] ? static_key_count+0x60/0x80 [ 42.308449] prctl_set_seccomp+0x4e/0x70 [ 42.309241] __do_sys_prctl+0xe6c/0x1d70 [ 42.310058] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.310955] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.311958] ? irqentry_exit+0xf3/0x650 [ 42.312744] do_syscall_64+0xbf/0x430 [ 42.313475] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.314459] RIP: 0033:0x7f09a7e5c5cd [ 42.315189] 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 [ 42.318464] RSP: 002b:00007ffe4d3f18a0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.319871] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f09a7e5c5cd [ 42.321195] RDX: 000055d154e50e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.322528] RBP: 00007ffe4d3f1900 R08: 0000000000000000 R09: 00007ffe4d3f0fa0 [ 42.323952] R10: 0000000000000000 R11: 0000000000000246 R12: 000055d191cd32b0 [ 42.325261] R13: 00007ffe4d3f1d30 R14: 000055d191cd5d20 R15: 000055d191ce78d0 [ 42.326581] [ 42.327043] irq event stamp: 1753 [ 42.327644] hardirqs last enabled at (1761): [] __up_console_sem+0x78/0x80 [ 42.329179] hardirqs last disabled at (1770): [] __up_console_sem+0x5d/0x80 [ 42.330719] softirqs last enabled at (1718): [] handle_softirqs+0x50c/0x770 [ 42.332261] softirqs last disabled at (1707): [] __irq_exit_rcu+0xc4/0x100 [ 42.333820] ---[ end trace 0000000000000000 ]--- [ 42.867748] ------------[ cut here ]------------ [ 42.868616] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.870663] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/249 [ 42.872346] Modules linked in: [ 42.873044] CPU: 1 UID: 104 PID: 249 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 42.875047] Tainted: [W]=WARN [ 42.875595] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.877054] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.877987] 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 [ 42.881167] RSP: 0018:ffff8880180bfbc0 EFLAGS: 00010286 [ 42.882154] RAX: 0000000000000000 RBX: ffffed1003017f78 RCX: ffffffff813a4050 [ 42.883429] RDX: ffff88801b043780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.884734] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1003017f2f [ 42.886015] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.887299] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff8880180bfdf8 [ 42.888578] FS: 00007fdc3a855900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 42.890020] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.891076] CR2: 00007fdc3ad47580 CR3: 000000001ff63000 CR4: 0000000000350ef0 [ 42.892355] Call Trace: [ 42.892859] [ 42.893269] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.894166] ? __create_object+0x59/0x80 [ 42.894955] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.895997] __vmalloc_noprof+0x59/0x60 [ 42.896615] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.897340] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.898130] bpf_prog_alloc+0x39/0x200 [ 42.898751] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.899485] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.900235] do_seccomp+0x349/0x25e0 [ 42.900830] ? __pfx_css_rstat_updated+0x10/0x10 [ 42.901560] ? __pfx_do_seccomp+0x10/0x10 [ 42.902217] ? find_held_lock+0x2b/0x80 [ 42.902851] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.903619] ? static_key_count+0x60/0x80 [ 42.904289] prctl_set_seccomp+0x4e/0x70 [ 42.904934] __do_sys_prctl+0xe6c/0x1d70 [ 42.905568] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.906279] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.907095] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.907901] ? irqentry_exit+0xf3/0x650 [ 42.908501] do_syscall_64+0xbf/0x430 [ 42.909116] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.909934] RIP: 0033:0x7fdc3ad475cd [ 42.910490] 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 [ 42.913113] RSP: 002b:00007fff9b9d3c90 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.914255] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fdc3ad475cd [ 42.915316] RDX: 000055f3cc2cfe00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.916382] RBP: 00007fff9b9d3cf0 R08: 0000000000000000 R09: 00007fff9b9d3390 [ 42.917451] R10: 0000000000000000 R11: 0000000000000246 R12: 000055f405c702b0 [ 42.918526] R13: 00007fff9b9d4120 R14: 000055f405c72d20 R15: 000055f405c848d0 [ 42.919611] [ 42.919994] irq event stamp: 1817 [ 42.920496] hardirqs last enabled at (1825): [] __up_console_sem+0x78/0x80 [ 42.921784] hardirqs last disabled at (1834): [] __up_console_sem+0x5d/0x80 [ 42.923040] softirqs last enabled at (1682): [] handle_softirqs+0x50c/0x770 [ 42.924316] softirqs last disabled at (1673): [] __irq_exit_rcu+0xc4/0x100 [ 42.925591] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:49125' (ECDSA) to the list of known hosts. 2025/11/17 20:15:34 fuzzer started 2025/11/17 20:15:35 dialing manager at localhost:37895 2025/11/17 20:15:35 checking machine... 2025/11/17 20:15:35 checking revisions... [ 43.946691] kmemleak: Automatic memory scanning thread ended 2025/11/17 20:15:35 testing simple program... [ 44.026027] cgroup: Unknown subsys name 'net' [ 44.073231] cgroup: Unknown subsys name 'cpuset' [ 44.083578] cgroup: Unknown subsys name 'rlimit' executing program executing program VM DIAGNOSIS: 20:15:34 Registers: info registers vcpu 0 RAX=0000000000000000 RBX=0000000000000000 RCX=0000000000000002 RDX=0000000000000000 RSI=0000000000000000 RDI=ffffffff85e1ffe0 RBP=ffffffff85e1ffe0 RSP=ffff8880191076e8 R8 =0000000000000000 R9 =0000000000000000 R10=000000000003c9ed R11=0000000000012f69 R12=0000000000000002 R13=0000000000000000 R14=0000000000000000 R15=ffff8880191077d0 RIP=ffffffff81529397 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 00007f09a796a900 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe7c00000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f09a7949020 CR3=000000001fe42000 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=0000000000020e9d RBX=0000000000000001 RCX=ffffffff84c72d57 RDX=0000000000000000 RSI=0000000000000000 RDI=ffffffff814d2c90 RBP=dffffc0000000000 RSP=ffff8880096efe58 R8 =0000000000000001 R9 =ffffed100d9e639a R10=ffff88806cf31cd3 R11=0000000000000001 R12=ffffffff8664f650 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 fffffe6d00000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f09a78b1000 CR3=000000000d3ac000 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=35313a303220373120766f4e3e36383c XMM01=7365733a646873732878696e755f6d61 XMM02=736f6c63206e6f6973736573203a296e XMM03=5f6d6170203a5d3134325b6468737320 XMM04=6456774875434142334f726f59427469 XMM05=485320415352203a3268737320363437 XMM06=206d6f726620746f6f7220726f662079 XMM07=00000000000000000000000000000000 XMM08=3a677562656420676f6c737973720000 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000