syzkaller login: [ 46.086325] ------------[ cut here ]------------ [ 46.087248] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 46.089303] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/232 [ 46.090740] Modules linked in: [ 46.091361] CPU: 1 UID: 104 PID: 232 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 46.093542] Tainted: [W]=WARN [ 46.094094] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 46.095620] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 46.096532] 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 [ 46.099668] RSP: 0018:ffff888016cdfbc0 EFLAGS: 00010286 [ 46.100635] RAX: 0000000000000000 RBX: ffffed1002d9bf78 RCX: ffffffff813a4050 [ 46.101904] RDX: ffff888016548000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 46.103179] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002d9bf2f [ 46.104467] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 46.105729] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888016cdfdf8 [ 46.107013] FS: 00007fc87e4ee900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 46.108440] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 46.109491] CR2: 00007ffc65c12ef7 CR3: 00000000075e1000 CR4: 0000000000350ef0 [ 46.110774] Call Trace: [ 46.111278] [ 46.111689] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 46.112587] ? __create_object+0x59/0x80 [ 46.113348] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 46.114312] __vmalloc_noprof+0x59/0x60 [ 46.115028] bpf_prog_alloc_no_stats+0x55/0x470 [ 46.115888] ? __pfx_seccomp_check_filter+0x10/0x10 [ 46.116810] bpf_prog_alloc+0x39/0x200 [ 46.117548] ? __pfx_seccomp_check_filter+0x10/0x10 [ 46.118467] bpf_prog_create_from_user+0xb2/0x2f0 [ 46.119387] do_seccomp+0x349/0x25e0 [ 46.120066] ? find_held_lock+0x2b/0x80 [ 46.120833] ? do_prlimit+0x310/0x610 [ 46.121580] ? __pfx_do_seccomp+0x10/0x10 [ 46.122371] ? do_raw_spin_unlock+0x53/0x220 [ 46.123177] ? _raw_spin_unlock+0x1e/0x40 [ 46.123970] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 46.124939] ? static_key_count+0x60/0x80 [ 46.125744] prctl_set_seccomp+0x4e/0x70 [ 46.126522] __do_sys_prctl+0xe6c/0x1d70 [ 46.127318] ? __pfx___do_sys_prctl+0x10/0x10 [ 46.128132] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 46.129101] ? irqentry_exit+0xf3/0x650 [ 46.129856] do_syscall_64+0xbf/0x430 [ 46.130592] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 46.131555] RIP: 0033:0x7fc87e9e05cd [ 46.132258] 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 [ 46.135447] RSP: 002b:00007ffc65c10b50 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 46.136819] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fc87e9e05cd [ 46.138109] RDX: 0000557abfb3ce00 RSI: 0000000000000002 RDI: 0000000000000016 [ 46.139412] RBP: 00007ffc65c10bb0 R08: 0000000000000000 R09: 00007ffc65c10250 [ 46.140693] R10: 0000000000000000 R11: 0000000000000246 R12: 0000557afe845b10 [ 46.141973] R13: 00007ffc65c10fe0 R14: 0000557afe8462b0 R15: 0000557afe85a6f0 [ 46.143298] [ 46.143723] irq event stamp: 1801 [ 46.144379] hardirqs last enabled at (1811): [] __up_console_sem+0x78/0x80 [ 46.145917] hardirqs last disabled at (1820): [] __up_console_sem+0x5d/0x80 [ 46.147450] softirqs last enabled at (1398): [] handle_softirqs+0x50c/0x770 [ 46.149000] softirqs last disabled at (1393): [] __irq_exit_rcu+0xc4/0x100 [ 46.150518] ---[ end trace 0000000000000000 ]--- [ 48.925634] ------------[ cut here ]------------ [ 48.926467] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 48.928338] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/239 [ 48.929790] Modules linked in: [ 48.930567] CPU: 1 UID: 104 PID: 239 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 48.932345] Tainted: [W]=WARN [ 48.932830] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 48.934134] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 48.934945] 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 [ 48.937742] RSP: 0018:ffff888016ca7bc0 EFLAGS: 00010286 [ 48.938611] RAX: 0000000000000000 RBX: ffffed1002d94f78 RCX: ffffffff813a4050 [ 48.939757] RDX: ffff8880169c0000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 48.940889] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002d94f2f [ 48.942019] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 48.943165] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888016ca7df8 [ 48.944312] FS: 00007f7500526900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 48.945598] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 48.946536] CR2: 00007f7500a18580 CR3: 000000001f7e4000 CR4: 0000000000350ef0 [ 48.947679] Call Trace: [ 48.948086] [ 48.948489] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 48.949288] ? __create_object+0x59/0x80 [ 48.949942] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 48.950809] __vmalloc_noprof+0x59/0x60 [ 48.951477] bpf_prog_alloc_no_stats+0x55/0x470 [ 48.952262] ? __pfx_seccomp_check_filter+0x10/0x10 [ 48.953052] bpf_prog_alloc+0x39/0x200 [ 48.953705] ? __pfx_seccomp_check_filter+0x10/0x10 [ 48.954531] bpf_prog_create_from_user+0xb2/0x2f0 [ 48.955339] do_seccomp+0x349/0x25e0 [ 48.955942] ? __pfx_css_rstat_updated+0x10/0x10 [ 48.956740] ? __pfx_do_seccomp+0x10/0x10 [ 48.957446] ? find_held_lock+0x2b/0x80 [ 48.958065] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 48.958900] ? static_key_count+0x60/0x80 [ 48.959578] prctl_set_seccomp+0x4e/0x70 [ 48.960262] __do_sys_prctl+0xe6c/0x1d70 [ 48.960910] ? __pfx___do_sys_prctl+0x10/0x10 [ 48.961660] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 48.962501] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 48.963360] ? irqentry_exit+0xf3/0x650 [ 48.963997] do_syscall_64+0xbf/0x430 [ 48.964660] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 48.965505] RIP: 0033:0x7f7500a185cd [ 48.966090] 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 [ 48.968928] RSP: 002b:00007ffd25944960 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 48.970128] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f7500a185cd [ 48.971275] RDX: 00005611abba4e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 48.972417] RBP: 00007ffd259449c0 R08: 0000000000000000 R09: 00007ffd25944060 [ 48.973552] R10: 0000000000000000 R11: 0000000000000246 R12: 00005611c34fead0 [ 48.974698] R13: 00007ffd25944df0 R14: 00005611c34ffbc0 R15: 00005611c3510780 [ 48.975847] [ 48.976263] irq event stamp: 1829 [ 48.976797] hardirqs last enabled at (1837): [] __up_console_sem+0x78/0x80 [ 48.978145] hardirqs last disabled at (1846): [] __up_console_sem+0x5d/0x80 [ 48.979497] softirqs last enabled at (1786): [] handle_softirqs+0x50c/0x770 [ 48.980859] softirqs last disabled at (1781): [] __irq_exit_rcu+0xc4/0x100 [ 48.982182] ---[ end trace 0000000000000000 ]--- [ 49.660008] ------------[ cut here ]------------ [ 49.660905] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 49.662906] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/246 [ 49.664327] Modules linked in: [ 49.664907] CPU: 1 UID: 104 PID: 246 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 49.667076] Tainted: [W]=WARN [ 49.667724] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 49.669161] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 49.670045] 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 [ 49.673139] RSP: 0018:ffff888018017bc0 EFLAGS: 00010286 [ 49.674091] RAX: 0000000000000000 RBX: ffffed1003002f78 RCX: ffffffff813a4050 [ 49.675413] RDX: ffff888014398000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 49.676716] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1003002f2f [ 49.678016] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 49.679325] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888018017df8 [ 49.680619] FS: 00007f811e226900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 49.682064] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 49.683161] CR2: 00007f811e718580 CR3: 000000001dcf0000 CR4: 0000000000350ef0 [ 49.684478] Call Trace: [ 49.684954] [ 49.685416] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 49.686319] ? __create_object+0x59/0x80 [ 49.687095] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 49.688081] __vmalloc_noprof+0x59/0x60 [ 49.688850] bpf_prog_alloc_no_stats+0x55/0x470 [ 49.689719] ? __pfx_seccomp_check_filter+0x10/0x10 [ 49.690685] bpf_prog_alloc+0x39/0x200 [ 49.691465] ? __pfx_seccomp_check_filter+0x10/0x10 [ 49.692414] bpf_prog_create_from_user+0xb2/0x2f0 [ 49.693336] do_seccomp+0x349/0x25e0 [ 49.694020] ? __pfx_css_rstat_updated+0x10/0x10 [ 49.694962] ? __pfx_do_seccomp+0x10/0x10 [ 49.695775] ? find_held_lock+0x2b/0x80 [ 49.696547] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 49.697522] ? static_key_count+0x60/0x80 [ 49.698348] prctl_set_seccomp+0x4e/0x70 [ 49.699114] __do_sys_prctl+0xe6c/0x1d70 [ 49.699932] ? __pfx___do_sys_prctl+0x10/0x10 [ 49.700801] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 49.701775] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 49.702781] ? irqentry_exit+0xf3/0x650 [ 49.703572] do_syscall_64+0xbf/0x430 [ 49.704336] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 49.705297] RIP: 0033:0x7f811e7185cd [ 49.705972] 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 [ 49.709144] RSP: 002b:00007ffec07fa130 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 49.710524] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f811e7185cd [ 49.711987] RDX: 00005618d4052e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 49.713606] RBP: 00007ffec07fa190 R08: 0000000000000000 R09: 00007ffec07f9830 [ 49.715257] R10: 0000000000000000 R11: 0000000000000246 R12: 00005618fbad0b10 [ 49.716552] R13: 00007ffec07fa5c0 R14: 00005618fbad12b0 R15: 00005618fbae56f0 [ 49.717631] [ 49.717999] irq event stamp: 1851 [ 49.718535] hardirqs last enabled at (1861): [] __up_console_sem+0x78/0x80 [ 49.719821] hardirqs last disabled at (1870): [] __up_console_sem+0x5d/0x80 [ 49.721068] softirqs last enabled at (1790): [] handle_softirqs+0x50c/0x770 [ 49.722330] softirqs last disabled at (1785): [] __irq_exit_rcu+0xc4/0x100 [ 49.723598] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:41227' (ECDSA) to the list of known hosts. 2025/11/17 20:36:23 fuzzer started 2025/11/17 20:36:23 dialing manager at localhost:37895 2025/11/17 20:36:23 checking machine... 2025/11/17 20:36:23 checking revisions... [ 50.628111] kmemleak: Automatic memory scanning thread ended 2025/11/17 20:36:23 testing simple program... [ 50.709733] cgroup: Unknown subsys name 'net' [ 50.776139] cgroup: Unknown subsys name 'cpuset' [ 50.787922] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program VM DIAGNOSIS: 20:36:22 Registers: info registers vcpu 0 RAX=0000000000000001 RBX=0000000000000001 RCX=ffffffff8175a637 RDX=0000000000000000 RSI=0000000000000001 RDI=0000000000000000 RBP=0000000000000001 RSP=ffff88806ce089f8 R8 =0000000000000001 R9 =0000000000000000 R10=0000000000000001 R11=0000000000000001 R12=0000000000000000 R13=0000000000000000 R14=ffffffff85e787a8 R15=ffff888008c4b780 RIP=ffffffff81751738 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 00007f7500526900 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe1600000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f7500add618 CR3=000000001f796000 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=6e69676f6c5f6d61702c78756e696c65 XMM02=755f6d61702c74696d7265705f6d6170 XMM03=2c766e655f6d61702c7374696d696c5f XMM04=6d61702c766e655f6d61702c7374696d XMM05=78696e755f6d61702c74696d7265705f XMM06=6469756e69676f6c5f6d61702c78756e XMM07=672065736f6c635f6e6f69737365733a XMM08=61662029286e65706f5f746964756100 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=0000000000000000 RBX=0000000000000001 RCX=ffffffff81676bf3 RDX=0000000000000000 RSI=0000000000000000 RDI=0000000000000001 RBP=ffff88800957bb18 RSP=ffff8880096ef9e8 R8 =0000000000000000 R9 =fffffbfff0cc9eca R10=0000000000000001 R11=0000000000000001 R12=ffffffff8167682f R13=0000000000000001 R14=ffff888009643780 R15=0000000000000000 RIP=ffffffff81528f45 RFL=00000006 [-----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 ffff8880e548f000 00000000 00000000 LDT=0000 fffffe4900000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007ffcd8d09d78 CR3=000000001aba1000 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=36333a303220373120766f4e3e36383c XMM01=7365733a646873732878696e755f6d61 XMM02=736f6c63206e6f6973736573203a296e XMM03=5f6d6170203a5d3833325b6468737320 XMM04=6456774875434142334f726f59427469 XMM05=485320415352203a3268737320323737 XMM06=206d6f726620746f6f7220726f662079 XMM07=00000000000000000000000000000000 XMM08=3a677562656420676f6c737973720000 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000