syzkaller login: [ 39.123046] ------------[ cut here ]------------ [ 39.124060] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 39.126164] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/234 [ 39.127734] Modules linked in: [ 39.128417] CPU: 1 UID: 104 PID: 234 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 39.130508] Tainted: [W]=WARN [ 39.131146] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 39.132702] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 39.133651] 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 [ 39.136964] RSP: 0018:ffff888017627bc0 EFLAGS: 00010286 [ 39.137931] RAX: 0000000000000000 RBX: ffffed1002ec4f78 RCX: ffffffff813a4050 [ 39.139316] RDX: ffff8880168d8000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 39.140674] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002ec4f2f [ 39.142027] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 39.143359] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888017627df8 [ 39.144713] FS: 00007f3a56bee900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 39.146199] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 39.147302] CR2: 00007fff8da28ef7 CR3: 000000000cda8000 CR4: 0000000000350ef0 [ 39.148659] Call Trace: [ 39.149220] [ 39.149648] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 39.150577] ? __create_object+0x59/0x80 [ 39.151417] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.152439] __vmalloc_noprof+0x59/0x60 [ 39.153253] bpf_prog_alloc_no_stats+0x55/0x470 [ 39.154179] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.155147] bpf_prog_alloc+0x39/0x200 [ 39.155873] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.156849] bpf_prog_create_from_user+0xb2/0x2f0 [ 39.157785] do_seccomp+0x349/0x25e0 [ 39.158531] ? find_held_lock+0x2b/0x80 [ 39.159319] ? do_prlimit+0x310/0x610 [ 39.160100] ? __pfx_do_seccomp+0x10/0x10 [ 39.160862] ? do_raw_spin_unlock+0x53/0x220 [ 39.161720] ? _raw_spin_unlock+0x1e/0x40 [ 39.162507] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 39.163498] ? static_key_count+0x60/0x80 [ 39.164336] prctl_set_seccomp+0x4e/0x70 [ 39.165128] __do_sys_prctl+0xe6c/0x1d70 [ 39.165882] ? __pfx___do_sys_prctl+0x10/0x10 [ 39.166763] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 39.167775] ? irqentry_exit+0xf3/0x650 [ 39.168547] do_syscall_64+0xbf/0x430 [ 39.169318] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 39.170286] RIP: 0033:0x7f3a570e05cd [ 39.170997] 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 [ 39.174222] RSP: 002b:00007fff8da27a60 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 39.175625] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f3a570e05cd [ 39.176941] RDX: 0000558c5e7d2e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 39.178249] RBP: 00007fff8da27ac0 R08: 0000000000000000 R09: 00007fff8da27160 [ 39.179547] R10: 0000000000000000 R11: 0000000000000246 R12: 0000558c7028ead0 [ 39.180867] R13: 00007fff8da27ef0 R14: 0000558c7028fbc0 R15: 0000558c702a0780 [ 39.182175] [ 39.182600] irq event stamp: 1733 [ 39.183251] hardirqs last enabled at (1743): [] __up_console_sem+0x78/0x80 [ 39.184809] hardirqs last disabled at (1752): [] __up_console_sem+0x5d/0x80 [ 39.186336] softirqs last enabled at (1670): [] handle_softirqs+0x50c/0x770 [ 39.187917] softirqs last disabled at (1665): [] __irq_exit_rcu+0xc4/0x100 [ 39.189472] ---[ end trace 0000000000000000 ]--- [ 41.889783] ------------[ cut here ]------------ [ 41.890293] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 41.891391] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/243 [ 41.892117] Modules linked in: [ 41.892416] CPU: 0 UID: 104 PID: 243 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 41.893401] Tainted: [W]=WARN [ 41.893682] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 41.894428] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 41.894850] 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 [ 41.896425] RSP: 0018:ffff8880143a7bc0 EFLAGS: 00010286 [ 41.897002] RAX: 0000000000000000 RBX: ffffed1002874f78 RCX: ffffffff813a4050 [ 41.897745] RDX: ffff888015d69bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 41.898483] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002874f2f [ 41.899115] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 41.899736] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff8880143a7df8 [ 41.900367] FS: 00007fa0499c4900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 41.901071] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 41.901571] CR2: 00007fa049eb6580 CR3: 000000000e0a0000 CR4: 0000000000350ef0 [ 41.902200] Call Trace: [ 41.902426] [ 41.902631] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 41.903076] ? __create_object+0x59/0x80 [ 41.903442] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 41.903900] __vmalloc_noprof+0x59/0x60 [ 41.904278] bpf_prog_alloc_no_stats+0x55/0x470 [ 41.904683] ? __pfx_seccomp_check_filter+0x10/0x10 [ 41.905146] bpf_prog_alloc+0x39/0x200 [ 41.905486] ? __pfx_seccomp_check_filter+0x10/0x10 [ 41.905922] bpf_prog_create_from_user+0xb2/0x2f0 [ 41.906370] do_seccomp+0x349/0x25e0 [ 41.906702] ? __pfx_css_rstat_updated+0x10/0x10 [ 41.907224] ? __pfx_do_seccomp+0x10/0x10 [ 41.907596] ? find_held_lock+0x2b/0x80 [ 41.907980] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 41.908428] ? static_key_count+0x60/0x80 [ 41.908795] prctl_set_seccomp+0x4e/0x70 [ 41.909181] __do_sys_prctl+0xe6c/0x1d70 [ 41.909548] ? __pfx___do_sys_prctl+0x10/0x10 [ 41.909979] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 41.910440] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 41.910901] ? irqentry_exit+0xf3/0x650 [ 41.911283] do_syscall_64+0xbf/0x430 [ 41.911632] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 41.912118] RIP: 0033:0x7fa049eb65cd [ 41.912446] 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 [ 41.914419] RSP: 002b:00007fff45410490 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 41.915104] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fa049eb65cd [ 41.915725] RDX: 000055f5424ebe00 RSI: 0000000000000002 RDI: 0000000000000016 [ 41.916370] RBP: 00007fff454104f0 R08: 0000000000000000 R09: 00007fff4540fb90 [ 41.917004] R10: 0000000000000000 R11: 0000000000000246 R12: 000055f544841ad0 [ 41.917615] R13: 00007fff45410920 R14: 000055f544842bc0 R15: 000055f544853780 [ 41.918274] [ 41.918481] irq event stamp: 1709 [ 41.918775] hardirqs last enabled at (1717): [] __up_console_sem+0x78/0x80 [ 41.919528] hardirqs last disabled at (1726): [] __up_console_sem+0x5d/0x80 [ 41.920303] softirqs last enabled at (1698): [] handle_softirqs+0x50c/0x770 [ 41.921073] softirqs last disabled at (1691): [] __irq_exit_rcu+0xc4/0x100 [ 41.921793] ---[ end trace 0000000000000000 ]--- [ 42.534068] ------------[ cut here ]------------ [ 42.534471] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.535340] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/250 [ 42.535985] Modules linked in: [ 42.536246] CPU: 0 UID: 104 PID: 250 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 42.537113] Tainted: [W]=WARN [ 42.537354] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.538047] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.538444] 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 [ 42.539926] RSP: 0018:ffff888009b1fbc0 EFLAGS: 00010286 [ 42.540370] RAX: 0000000000000000 RBX: ffffed1001363f78 RCX: ffffffff813a4050 [ 42.540963] RDX: ffff88801a639bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.541540] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1001363f2f [ 42.542131] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.542700] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888009b1fdf8 [ 42.543295] FS: 00007f08b9f15900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 42.544012] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.544566] CR2: 00007f08ba407580 CR3: 000000000f6bb000 CR4: 0000000000350ef0 [ 42.545172] Call Trace: [ 42.545389] [ 42.545578] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.545993] ? __create_object+0x59/0x80 [ 42.546335] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.546763] __vmalloc_noprof+0x59/0x60 [ 42.547115] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.547497] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.547912] bpf_prog_alloc+0x39/0x200 [ 42.548254] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.548662] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.549076] do_seccomp+0x349/0x25e0 [ 42.549389] ? __pfx_css_rstat_updated+0x10/0x10 [ 42.549780] ? __pfx_do_seccomp+0x10/0x10 [ 42.550141] ? find_held_lock+0x2b/0x80 [ 42.550469] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.550889] ? static_key_count+0x60/0x80 [ 42.551264] prctl_set_seccomp+0x4e/0x70 [ 42.551602] __do_sys_prctl+0xe6c/0x1d70 [ 42.551973] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.552347] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.552768] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.553213] ? irqentry_exit+0xf3/0x650 [ 42.553545] do_syscall_64+0xbf/0x430 [ 42.553864] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.554303] RIP: 0033:0x7f08ba4075cd [ 42.554607] 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 [ 42.556086] RSP: 002b:00007fff8f3df070 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.556695] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f08ba4075cd [ 42.557284] RDX: 000055a6fe5cae00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.557853] RBP: 00007fff8f3df0d0 R08: 0000000000000000 R09: 00007fff8f3de770 [ 42.558440] R10: 0000000000000000 R11: 0000000000000246 R12: 000055a7159afb10 [ 42.559028] R13: 00007fff8f3df500 R14: 000055a7159b02b0 R15: 000055a7159c46f0 [ 42.559599] [ 42.559799] irq event stamp: 1653 [ 42.560101] hardirqs last enabled at (1663): [] __up_console_sem+0x78/0x80 [ 42.560782] hardirqs last disabled at (1670): [] __up_console_sem+0x5d/0x80 [ 42.561478] softirqs last enabled at (1220): [] handle_softirqs+0x50c/0x770 [ 42.562190] softirqs last disabled at (1205): [] __irq_exit_rcu+0xc4/0x100 [ 42.562864] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:43189' (ECDSA) to the list of known hosts. 2025/11/18 10:07:57 fuzzer started 2025/11/18 10:07:57 dialing manager at localhost:34383 2025/11/18 10:07:57 checking machine... 2025/11/18 10:07:57 checking revisions... [ 43.292564] kmemleak: Automatic memory scanning thread ended 2025/11/18 10:07:57 testing simple program... [ 43.399577] cgroup: Unknown subsys name 'net' [ 43.473429] cgroup: Unknown subsys name 'cpuset' [ 43.520482] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program VM DIAGNOSIS: 10:07:56 Registers: info registers vcpu 0 RAX=ffffffff86d774d9 RBX=0000000000000001 RCX=ffffffff86d774d4 RDX=0000000000000000 RSI=1ffffffff0daee9b RDI=ffffffff868fa7d4 RBP=ffff88806ce08a58 RSP=ffff88806ce08990 R8 =ffffffff86d774d4 R9 =0000000000000000 R10=000000000003c9ed R11=000000000009a88e R12=ffff88806ce08a60 R13=ffff88806ce08a48 R14=ffff88806ce08a41 R15=ffff88806ce08a00 RIP=ffffffff8135e815 RFL=00000212 [----A--] 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 00007ff1ae23f700 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe6300000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007fff4540a000 CR3=000000000b97b000 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=6d6f72662064657463656e6e6f637369 XMM02=2e303120746f6f722072657375206d6f XMM03=3a5d3234325b646873732036353a3730 XMM04=6456774875434142334f726f59427469 XMM05=485320415352203a3268737320363330 XMM06=206d6f726620746f6f7220726f662079 XMM07=00000000000000000000000000000000 XMM08=3a677562656420676f6c737973720000 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=0000000000000000 RBX=ffff888017115340 RCX=ffff88801719779c RDX=0000000000000000 RSI=ffffffff85e1ffe0 RDI=ffff88801711573c RBP=ffff888017115340 RSP=ffff8880171977a8 R8 =0000000000000001 R9 =ffff888017197888 R10=000000000003c9ed R11=0000000000023cd1 R12=ffff888017115340 R13=ffff888017197890 R14=ffff888017197c30 R15=ffff888017197848 RIP=ffffffff815d2c25 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 00007fa0499c4900 00000000 00000000 GS =0000 ffff8880e548f000 00000000 00000000 LDT=0000 fffffe5100000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f0eb0d801d8 CR3=000000002072b000 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=74696d7265705f6d61703d73726f746e XMM02=000000000000000000000000000000ff XMM03=5320444f4854454d5f54505952434e45 XMM04=40404040404040404040404040404040 XMM05=5a5a5a5a5a5a5a5a5a5a5a5a5a5a5a5a XMM06=20202020202020202020202020202020 XMM07=00000000000000000000000000000000 XMM08=61662029286e65706f5f746964756100 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000