syzkaller login: [ 46.284317] ------------[ cut here ]------------ [ 46.285227] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 46.287232] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/245 [ 46.288686] Modules linked in: [ 46.289296] CPU: 1 UID: 104 PID: 245 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 46.291524] Tainted: [W]=WARN [ 46.292090] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 46.293609] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 46.294532] 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 [ 46.297670] RSP: 0018:ffff88801bb97bc0 EFLAGS: 00010286 [ 46.298649] RAX: 0000000000000000 RBX: ffffed1003772f78 RCX: ffffffff813a4050 [ 46.299925] RDX: ffff888016400000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 46.301200] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1003772f2f [ 46.302483] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 46.303749] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801bb97df8 [ 46.305025] FS: 00007fcd8d938900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 46.306471] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 46.307526] CR2: 00007ffecacf2ef8 CR3: 000000000e810000 CR4: 0000000000350ef0 [ 46.308791] Call Trace: [ 46.309258] [ 46.309708] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 46.310603] ? __create_object+0x59/0x80 [ 46.311331] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 46.312288] __vmalloc_noprof+0x59/0x60 [ 46.313048] bpf_prog_alloc_no_stats+0x55/0x470 [ 46.313924] ? __pfx_seccomp_check_filter+0x10/0x10 [ 46.314852] bpf_prog_alloc+0x39/0x200 [ 46.315579] ? __pfx_seccomp_check_filter+0x10/0x10 [ 46.316497] bpf_prog_create_from_user+0xb2/0x2f0 [ 46.317345] do_seccomp+0x349/0x25e0 [ 46.318066] ? find_held_lock+0x2b/0x80 [ 46.318818] ? do_prlimit+0x310/0x610 [ 46.319548] ? __pfx_do_seccomp+0x10/0x10 [ 46.320288] ? do_raw_spin_unlock+0x53/0x220 [ 46.321113] ? _raw_spin_unlock+0x1e/0x40 [ 46.321877] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 46.322852] ? static_key_count+0x60/0x80 [ 46.323645] prctl_set_seccomp+0x4e/0x70 [ 46.324377] __do_sys_prctl+0xe6c/0x1d70 [ 46.325142] ? __pfx___do_sys_prctl+0x10/0x10 [ 46.325993] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 46.326965] ? irqentry_exit+0xf3/0x650 [ 46.327723] do_syscall_64+0xbf/0x430 [ 46.328416] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 46.329355] RIP: 0033:0x7fcd8de2a5cd [ 46.330065] 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 [ 46.333202] RSP: 002b:00007ffecacf0d00 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 46.334565] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fcd8de2a5cd [ 46.335832] RDX: 00005631d7f25e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 46.337112] RBP: 00007ffecacf0d60 R08: 0000000000000000 R09: 00007ffecacf0400 [ 46.338399] R10: 0000000000000000 R11: 0000000000000246 R12: 0000563209c59ad0 [ 46.339669] R13: 00007ffecacf1190 R14: 0000563209c5abc0 R15: 0000563209c6b780 [ 46.340960] [ 46.341378] irq event stamp: 1771 [ 46.342027] hardirqs last enabled at (1781): [] __up_console_sem+0x78/0x80 [ 46.343539] hardirqs last disabled at (1790): [] __up_console_sem+0x5d/0x80 [ 46.345043] softirqs last enabled at (1694): [] handle_softirqs+0x50c/0x770 [ 46.346575] softirqs last disabled at (1689): [] __irq_exit_rcu+0xc4/0x100 [ 46.348073] ---[ end trace 0000000000000000 ]--- [ 49.473968] ------------[ cut here ]------------ [ 49.474935] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 49.477364] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/252 [ 49.478881] Modules linked in: [ 49.479541] CPU: 0 UID: 104 PID: 252 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 49.481512] Tainted: [W]=WARN [ 49.482107] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 49.483577] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 49.484483] 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 [ 49.487658] RSP: 0018:ffff88801732fbc0 EFLAGS: 00010286 [ 49.488633] RAX: 0000000000000000 RBX: ffffed1002e65f78 RCX: ffffffff813a4050 [ 49.489918] RDX: ffff88800f56b780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 49.491246] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002e65f2f [ 49.492551] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 49.493816] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801732fdf8 [ 49.495162] FS: 00007f77155c7900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 49.496607] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 49.497687] CR2: 00007ffef2f04ef8 CR3: 000000000c8fb000 CR4: 0000000000350ef0 [ 49.499009] Call Trace: [ 49.499513] [ 49.499931] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 49.500829] ? __create_object+0x59/0x80 [ 49.501615] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 49.502630] __vmalloc_noprof+0x59/0x60 [ 49.503349] bpf_prog_alloc_no_stats+0x55/0x470 [ 49.504226] ? __pfx_seccomp_check_filter+0x10/0x10 [ 49.505153] bpf_prog_alloc+0x39/0x200 [ 49.505904] ? __pfx_seccomp_check_filter+0x10/0x10 [ 49.506882] bpf_prog_create_from_user+0xb2/0x2f0 [ 49.507801] do_seccomp+0x349/0x25e0 [ 49.508539] ? find_held_lock+0x2b/0x80 [ 49.509249] ? do_prlimit+0x310/0x610 [ 49.510042] ? __pfx_do_seccomp+0x10/0x10 [ 49.510846] ? do_raw_spin_unlock+0x53/0x220 [ 49.511684] ? _raw_spin_unlock+0x1e/0x40 [ 49.512422] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 49.513394] ? static_key_count+0x60/0x80 [ 49.514226] prctl_set_seccomp+0x4e/0x70 [ 49.515019] __do_sys_prctl+0xe6c/0x1d70 [ 49.515810] ? __pfx___do_sys_prctl+0x10/0x10 [ 49.516668] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 49.517647] ? irqentry_exit+0xf3/0x650 [ 49.518403] do_syscall_64+0xbf/0x430 [ 49.519167] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 49.520122] RIP: 0033:0x7f7715ab95cd [ 49.520834] 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 [ 49.524055] RSP: 002b:00007ffef2f03d50 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 49.525466] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f7715ab95cd [ 49.526794] RDX: 000055aad05a4e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 49.528086] RBP: 00007ffef2f03db0 R08: 0000000000000000 R09: 00007ffef2f03450 [ 49.529358] R10: 0000000000000000 R11: 0000000000000246 R12: 000055ab07a5fad0 [ 49.530681] R13: 00007ffef2f041e0 R14: 000055ab07a60bc0 R15: 000055ab07a71780 [ 49.531968] [ 49.532395] irq event stamp: 1741 [ 49.533040] hardirqs last enabled at (1751): [] __up_console_sem+0x78/0x80 [ 49.534610] hardirqs last disabled at (1760): [] __up_console_sem+0x5d/0x80 [ 49.536133] softirqs last enabled at (1628): [] handle_softirqs+0x50c/0x770 [ 49.537675] softirqs last disabled at (1623): [] __irq_exit_rcu+0xc4/0x100 [ 49.539215] ---[ end trace 0000000000000000 ]--- [ 50.316075] ------------[ cut here ]------------ [ 50.317053] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 50.319088] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/259 [ 50.320575] Modules linked in: [ 50.321171] CPU: 0 UID: 104 PID: 259 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 50.323657] Tainted: [W]=WARN [ 50.324217] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 50.325695] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 50.326669] 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 [ 50.329864] RSP: 0018:ffff888007077bc0 EFLAGS: 00010286 [ 50.330901] RAX: 0000000000000000 RBX: ffffed1000e0ef78 RCX: ffffffff813a4050 [ 50.332220] RDX: ffff888016ea0000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 50.333519] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1000e0ef2f [ 50.334854] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 50.336160] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888007077df8 [ 50.337467] FS: 00007ff872ad3900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 50.338986] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.340086] CR2: 00007ff872fc5580 CR3: 0000000009c71000 CR4: 0000000000350ef0 [ 50.341413] Call Trace: [ 50.341940] [ 50.342415] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 50.343369] ? __create_object+0x59/0x80 [ 50.344180] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 50.345183] __vmalloc_noprof+0x59/0x60 [ 50.345990] bpf_prog_alloc_no_stats+0x55/0x470 [ 50.346912] ? __pfx_seccomp_check_filter+0x10/0x10 [ 50.347875] bpf_prog_alloc+0x39/0x200 [ 50.348652] ? __pfx_seccomp_check_filter+0x10/0x10 [ 50.349614] bpf_prog_create_from_user+0xb2/0x2f0 [ 50.350589] do_seccomp+0x349/0x25e0 [ 50.351286] ? __pfx_css_rstat_updated+0x10/0x10 [ 50.352221] ? __pfx_do_seccomp+0x10/0x10 [ 50.353037] ? find_held_lock+0x2b/0x80 [ 50.353812] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 50.354854] ? static_key_count+0x60/0x80 [ 50.355687] prctl_set_seccomp+0x4e/0x70 [ 50.356498] __do_sys_prctl+0xe6c/0x1d70 [ 50.357264] ? __pfx___do_sys_prctl+0x10/0x10 [ 50.358189] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 50.359192] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 50.360184] ? irqentry_exit+0xf3/0x650 [ 50.360974] do_syscall_64+0xbf/0x430 [ 50.361731] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 50.362731] RIP: 0033:0x7ff872fc55cd [ 50.363410] 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 [ 50.366961] RSP: 002b:00007ffd7b0ae520 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 50.368432] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ff872fc55cd [ 50.369764] RDX: 0000556fea549e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 50.371126] RBP: 00007ffd7b0ae580 R08: 0000000000000000 R09: 00007ffd7b0adc20 [ 50.372467] R10: 0000000000000000 R11: 0000000000000246 R12: 000055702614e240 [ 50.373784] R13: 00007ffd7b0ae9b0 R14: 000055702614dbf0 R15: 00005570261624d0 [ 50.375160] [ 50.375627] irq event stamp: 1869 [ 50.376250] hardirqs last enabled at (1877): [] __up_console_sem+0x78/0x80 [ 50.377809] hardirqs last disabled at (1886): [] __up_console_sem+0x5d/0x80 [ 50.379394] softirqs last enabled at (1782): [] handle_softirqs+0x50c/0x770 [ 50.380953] softirqs last disabled at (1777): [] __irq_exit_rcu+0xc4/0x100 [ 50.382460] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:16087' (ECDSA) to the list of known hosts. 2025/11/18 20:39:10 fuzzer started 2025/11/18 20:39:10 dialing manager at localhost:34383 2025/11/18 20:39:10 checking machine... 2025/11/18 20:39:10 checking revisions... [ 51.307908] kmemleak: Automatic memory scanning thread ended 2025/11/18 20:39:11 testing simple program... [ 51.392435] cgroup: Unknown subsys name 'net' [ 51.467475] cgroup: Unknown subsys name 'cpuset' [ 51.482331] cgroup: Unknown subsys name 'rlimit' executing program executing program VM DIAGNOSIS: 20:39:10 Registers: info registers vcpu 0 RAX=0000000000000000 RBX=ffff8880165cfd70 RCX=ffffffff81b666b3 RDX=ffff88801a1a5340 RSI=ffff88801fd57a80 RDI=0000000000000006 RBP=ffff888001000000 RSP=ffff8880165cfc00 R8 =0000000000000000 R9 =0000000000000000 R10=ffff888004c9ebf8 R11=0000000000000001 R12=ffff88801fd57a80 R13=0000000000000000 R14=ffff88801fd57b74 R15=ffff888004c9ebf8 RIP=ffffffff81b66134 RFL=00000282 [--S----] 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 00007f77155c7900 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe6a00000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007ffef2efd000 CR3=000000001fcf7000 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=635f6e6f69737365733a4d41503d706f XMM01=6f6c5f6d61702c78756e696c65735f6d XMM02=61702c74696d7265705f6d61702c7469 XMM03=655f6d61702c7374696d696c5f6d6170 XMM04=3d6c616e696d72657420322e322e302e XMM05=3d656d616e74736f682022646873732f XMM06=746f6f72223d746363612078756e696c XMM07=6e655f6d61702c7374696d696c5f6d61 XMM08=652075253d64692073253d706f000000 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=0000000000022595 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 fffffe0b00000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f1c44a67020 CR3=000000000df1f000 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=5bf2796a491bc3a4184fe2c6e2972ed8 XMM02=00000000003053e8eff9b2d0a8fce9cb XMM03=00000000003054b82c67c8bc2e329bc3 XMM04=c943277daee43fdf00000000000ae988 XMM05=c258be92829b3f280000000000321b20 XMM06=6345095af70c4926000000000031b148 XMM07=e042d86d42eb936e0000000000312c58 XMM08=62f3e550724c6a6c00000000003054b8 XMM09=00000000000000000000000000000000 XMM10=20200000000020202020202020200000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000