syzkaller login: [ 45.652088] ------------[ cut here ]------------ [ 45.653011] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 45.655021] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/234 [ 45.656457] Modules linked in: [ 45.657123] CPU: 0 UID: 104 PID: 234 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 45.659113] Tainted: [W]=WARN [ 45.659718] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 45.661181] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 45.662104] 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 [ 45.665274] RSP: 0018:ffff88801a0bfbc0 EFLAGS: 00010286 [ 45.666273] RAX: 0000000000000000 RBX: ffffed1003417f78 RCX: ffffffff813a4050 [ 45.667564] RDX: ffff88800f020000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 45.668857] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1003417f2f [ 45.670159] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 45.671548] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801a0bfdf8 [ 45.672874] FS: 00007f308d3c5900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 45.674336] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 45.675407] CR2: 00007f308d8b7580 CR3: 000000000dfe4000 CR4: 0000000000350ef0 [ 45.676695] Call Trace: [ 45.677159] [ 45.677635] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 45.678490] ? __create_object+0x59/0x80 [ 45.679266] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 45.680239] __vmalloc_noprof+0x59/0x60 [ 45.680989] bpf_prog_alloc_no_stats+0x55/0x470 [ 45.681862] ? __pfx_seccomp_check_filter+0x10/0x10 [ 45.682790] bpf_prog_alloc+0x39/0x200 [ 45.683483] ? __pfx_seccomp_check_filter+0x10/0x10 [ 45.684437] bpf_prog_create_from_user+0xb2/0x2f0 [ 45.685345] do_seccomp+0x349/0x25e0 [ 45.686071] ? __pfx_css_rstat_updated+0x10/0x10 [ 45.686988] ? __pfx_do_seccomp+0x10/0x10 [ 45.687777] ? find_held_lock+0x2b/0x80 [ 45.688486] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 45.689449] ? static_key_count+0x60/0x80 [ 45.690333] prctl_set_seccomp+0x4e/0x70 [ 45.691107] __do_sys_prctl+0xe6c/0x1d70 [ 45.691890] ? __pfx___do_sys_prctl+0x10/0x10 [ 45.692747] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 45.693735] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 45.694715] ? irqentry_exit+0xf3/0x650 [ 45.695448] do_syscall_64+0xbf/0x430 [ 45.696198] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 45.697167] RIP: 0033:0x7f308d8b75cd [ 45.697883] 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 [ 45.701053] RSP: 002b:00007ffcdc6710d0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 45.702411] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f308d8b75cd [ 45.703681] RDX: 000055abbbc30e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 45.704968] RBP: 00007ffcdc671130 R08: 0000000000000000 R09: 00007ffcdc6707d0 [ 45.706266] R10: 0000000000000000 R11: 0000000000000246 R12: 000055abe9009ad0 [ 45.707578] R13: 00007ffcdc671560 R14: 000055abe900abc0 R15: 000055abe901b780 [ 45.708888] [ 45.709314] irq event stamp: 1739 [ 45.709978] hardirqs last enabled at (1749): [] __up_console_sem+0x78/0x80 [ 45.711520] hardirqs last disabled at (1760): [] __up_console_sem+0x5d/0x80 [ 45.713037] softirqs last enabled at (1718): [] handle_softirqs+0x50c/0x770 [ 45.714606] softirqs last disabled at (1713): [] __irq_exit_rcu+0xc4/0x100 [ 45.716102] ---[ end trace 0000000000000000 ]--- [ 49.143888] ------------[ cut here ]------------ [ 49.144838] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 49.146859] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/242 [ 49.148320] Modules linked in: [ 49.148955] CPU: 1 UID: 104 PID: 242 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 49.151182] Tainted: [W]=WARN [ 49.152192] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 49.153700] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 49.154608] 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 [ 49.157790] RSP: 0018:ffff888017547bc0 EFLAGS: 00010286 [ 49.158781] RAX: 0000000000000000 RBX: ffffed1002ea8f78 RCX: ffffffff813a4050 [ 49.160037] RDX: ffff8880173f1bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 49.161289] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002ea8f2f [ 49.162561] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 49.163840] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888017547df8 [ 49.165142] FS: 00007f2496f4b900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 49.166604] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 49.167678] CR2: 00007ffdc8bf6ef8 CR3: 000000001638d000 CR4: 0000000000350ef0 [ 49.168947] Call Trace: [ 49.169421] [ 49.169894] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 49.170768] ? __create_object+0x59/0x80 [ 49.171546] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 49.172464] __vmalloc_noprof+0x59/0x60 [ 49.173226] bpf_prog_alloc_no_stats+0x55/0x470 [ 49.174126] ? __pfx_seccomp_check_filter+0x10/0x10 [ 49.175065] bpf_prog_alloc+0x39/0x200 [ 49.175779] ? __pfx_seccomp_check_filter+0x10/0x10 [ 49.176704] bpf_prog_create_from_user+0xb2/0x2f0 [ 49.177612] do_seccomp+0x349/0x25e0 [ 49.178278] ? find_held_lock+0x2b/0x80 [ 49.179045] ? do_prlimit+0x310/0x610 [ 49.179781] ? __pfx_do_seccomp+0x10/0x10 [ 49.180562] ? do_raw_spin_unlock+0x53/0x220 [ 49.181347] ? _raw_spin_unlock+0x1e/0x40 [ 49.182137] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 49.183101] ? static_key_count+0x60/0x80 [ 49.183891] prctl_set_seccomp+0x4e/0x70 [ 49.184667] __do_sys_prctl+0xe6c/0x1d70 [ 49.185404] ? __pfx___do_sys_prctl+0x10/0x10 [ 49.186284] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 49.187252] ? irqentry_exit+0xf3/0x650 [ 49.188016] do_syscall_64+0xbf/0x430 [ 49.188745] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 49.189697] RIP: 0033:0x7f249743d5cd [ 49.190360] 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 [ 49.193566] RSP: 002b:00007ffdc8bf44c0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 49.194939] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f249743d5cd [ 49.196245] RDX: 000055b9c94d8e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 49.197551] RBP: 00007ffdc8bf4520 R08: 0000000000000000 R09: 00007ffdc8bf3bc0 [ 49.198828] R10: 0000000000000000 R11: 0000000000000246 R12: 000055ba0101ead0 [ 49.200116] R13: 00007ffdc8bf4950 R14: 000055ba0101fbc0 R15: 000055ba01030780 [ 49.201421] [ 49.201909] irq event stamp: 1857 [ 49.202543] hardirqs last enabled at (1867): [] __up_console_sem+0x78/0x80 [ 49.204064] hardirqs last disabled at (1876): [] __up_console_sem+0x5d/0x80 [ 49.205609] softirqs last enabled at (1702): [] handle_softirqs+0x50c/0x770 [ 49.207125] softirqs last disabled at (1697): [] __irq_exit_rcu+0xc4/0x100 [ 49.208650] ---[ end trace 0000000000000000 ]--- [ 49.998011] ------------[ cut here ]------------ [ 49.998979] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 50.000967] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/250 [ 50.002550] Modules linked in: [ 50.003147] CPU: 1 UID: 104 PID: 250 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 50.005126] Tainted: [W]=WARN [ 50.005745] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 50.007224] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 50.008156] 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 [ 50.011408] RSP: 0018:ffff8880160f7bc0 EFLAGS: 00010286 [ 50.012385] RAX: 0000000000000000 RBX: ffffed1002c1ef78 RCX: ffffffff813a4050 [ 50.013711] RDX: ffff888015a75340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 50.014996] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002c1ef2f [ 50.016297] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000400dc0 [ 50.017602] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff8880160f7df8 [ 50.018906] FS: 00007f52dc755900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 50.020365] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.021436] CR2: 00007f52dcc47580 CR3: 0000000020300000 CR4: 0000000000350ef0 [ 50.022761] Call Trace: [ 50.023233] [ 50.023706] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 50.024619] ? __create_object+0x59/0x80 [ 50.025368] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 50.026351] __vmalloc_noprof+0x59/0x60 [ 50.027116] bpf_prog_alloc_no_stats+0x55/0x470 [ 50.028001] ? __pfx_seccomp_check_filter+0x10/0x10 [ 50.028963] bpf_prog_alloc+0x39/0x200 [ 50.029734] ? __pfx_seccomp_check_filter+0x10/0x10 [ 50.030692] bpf_prog_create_from_user+0xb2/0x2f0 [ 50.031615] do_seccomp+0x349/0x25e0 [ 50.032304] ? __pfx_css_rstat_updated+0x10/0x10 [ 50.033210] ? __pfx_do_seccomp+0x10/0x10 [ 50.034022] ? find_held_lock+0x2b/0x80 [ 50.034779] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 50.035765] ? static_key_count+0x60/0x80 [ 50.036581] prctl_set_seccomp+0x4e/0x70 [ 50.037327] __do_sys_prctl+0xe6c/0x1d70 [ 50.038136] ? __pfx___do_sys_prctl+0x10/0x10 [ 50.039010] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 50.039988] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 50.040957] ? irqentry_exit+0xf3/0x650 [ 50.041746] do_syscall_64+0xbf/0x430 [ 50.042460] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 50.043446] RIP: 0033:0x7f52dcc475cd [ 50.044177] 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 [ 50.047422] RSP: 002b:00007fff2dddc2b0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 50.048817] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f52dcc475cd [ 50.050159] RDX: 000055eac3fb3e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 50.051465] RBP: 00007fff2dddc310 R08: 0000000000000000 R09: 00007fff2dddb9b0 [ 50.052779] R10: 0000000000000000 R11: 0000000000000246 R12: 000055eafa4a0ad0 [ 50.054111] R13: 00007fff2dddc740 R14: 000055eafa4a1bc0 R15: 000055eafa4b2780 [ 50.055434] [ 50.055912] irq event stamp: 1715 [ 50.056566] hardirqs last enabled at (1725): [] __up_console_sem+0x78/0x80 [ 50.058130] hardirqs last disabled at (1734): [] __up_console_sem+0x5d/0x80 [ 50.059678] softirqs last enabled at (1682): [] handle_softirqs+0x50c/0x770 [ 50.061239] softirqs last disabled at (1677): [] __irq_exit_rcu+0xc4/0x100 [ 50.062792] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:56767' (ECDSA) to the list of known hosts. 2025/11/19 04:57:46 fuzzer started 2025/11/19 04:57:46 dialing manager at localhost:34383 2025/11/19 04:57:46 checking machine... 2025/11/19 04:57:46 checking revisions... [ 50.962237] kmemleak: Automatic memory scanning thread ended 2025/11/19 04:57:46 testing simple program... [ 51.063954] cgroup: Unknown subsys name 'net' [ 51.129411] cgroup: Unknown subsys name 'cpuset' [ 51.145753] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program VM DIAGNOSIS: 04:57:45 Registers: info registers vcpu 0 RAX=0000000014cf48ca RBX=00000000eebc6e39 RCX=00000000efc4d225 RDX=0000000000000010 RSI=ffff8880157a76b8 RDI=000000000000001a RBP=0000000000000001 RSP=ffff8880157a7638 R8 =0000000084b6a449 R9 =0000000000000000 R10=0000000000000001 R11=0000000000000001 R12=0000000000000000 R13=0000000000092cc0 R14=ffff8880157a76a0 R15=0000000000000010 RIP=ffffffff82642b2a RFL=00000207 [-----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 00007f4e30e1f900 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=00007f4e30536000 CR3=000000000dc13000 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=ffffffffffffffffffffffffffffffff XMM01=30306234386136303638616663356134 XMM02=38303062343861363036386166633561 XMM03=2f6c616e72756f6a2f676f6c2f6e7572 XMM04=c4e1939c44348fb500000000000ae988 XMM05=6515523d45d382000000000000321270 XMM06=090f1556b20111b30000000000320128 XMM07=00000000000000000000000000000000 XMM08=415453454d49545f454d49544c414552 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=0000000000000001 RBX=0000000000000001 RCX=ffffffff83ee90a6 RDX=0000000000000001 RSI=ffffffff86da5dbe RDI=ffffffff86919870 RBP=ffff88806cf08ac8 RSP=ffff88806cf089c8 R8 =ffffffff86da5dbe R9 =0000000000000000 R10=000000000003c9ed R11=00000000000a24b5 R12=ffffffff86919870 R13=ffff88806cf08ab8 R14=ffff88806cf08ab1 R15=ffff88806cf08a70 RIP=ffffffff8135da51 RFL=00000202 [-------] 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 00007f2496f4b900 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=00007ffdc8bee000 CR3=000000002036d000 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