syzkaller login: [ 47.125638] ------------[ cut here ]------------ [ 47.126615] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 47.128726] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/233 [ 47.130221] Modules linked in: [ 47.130924] CPU: 0 UID: 104 PID: 233 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 47.133001] Tainted: [W]=WARN [ 47.133618] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 47.135115] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 47.136069] 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 [ 47.139383] RSP: 0018:ffff8880142dfbc0 EFLAGS: 00010286 [ 47.140405] RAX: 0000000000000000 RBX: ffffed100285bf78 RCX: ffffffff813a4050 [ 47.141721] RDX: ffff888015df9bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 47.143040] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed100285bf2f [ 47.144373] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000400dc0 [ 47.145674] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff8880142dfdf8 [ 47.147061] FS: 00007f2c64d8f900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 47.148616] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 47.149721] CR2: 00007ffdb948fef7 CR3: 000000000b809000 CR4: 0000000000350ef0 [ 47.151079] Call Trace: [ 47.151632] [ 47.152074] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 47.153019] ? __create_object+0x59/0x80 [ 47.153863] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 47.154897] __vmalloc_noprof+0x59/0x60 [ 47.155707] bpf_prog_alloc_no_stats+0x55/0x470 [ 47.156646] ? __pfx_seccomp_check_filter+0x10/0x10 [ 47.157625] bpf_prog_alloc+0x39/0x200 [ 47.158397] ? __pfx_seccomp_check_filter+0x10/0x10 [ 47.159387] bpf_prog_create_from_user+0xb2/0x2f0 [ 47.160309] do_seccomp+0x349/0x25e0 [ 47.161078] ? find_held_lock+0x2b/0x80 [ 47.161901] ? do_prlimit+0x310/0x610 [ 47.162688] ? __pfx_do_seccomp+0x10/0x10 [ 47.163520] ? do_raw_spin_unlock+0x53/0x220 [ 47.164413] ? _raw_spin_unlock+0x1e/0x40 [ 47.165185] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 47.166198] ? static_key_count+0x60/0x80 [ 47.167044] prctl_set_seccomp+0x4e/0x70 [ 47.167876] __do_sys_prctl+0xe6c/0x1d70 [ 47.168721] ? __pfx___do_sys_prctl+0x10/0x10 [ 47.169634] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 47.170671] ? irqentry_exit+0xf3/0x650 [ 47.171481] do_syscall_64+0xbf/0x430 [ 47.172247] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 47.173251] RIP: 0033:0x7f2c652815cd [ 47.173998] 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 [ 47.177289] RSP: 002b:00007ffdb948d7e0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 47.178779] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f2c652815cd [ 47.180153] RDX: 00005642796a6e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 47.181485] RBP: 00007ffdb948d840 R08: 0000000000000000 R09: 00007ffdb948cee0 [ 47.182850] R10: 0000000000000000 R11: 0000000000000246 R12: 0000564280757ad0 [ 47.184226] R13: 00007ffdb948dc70 R14: 0000564280758bc0 R15: 0000564280769780 [ 47.185608] [ 47.186046] irq event stamp: 1745 [ 47.186737] hardirqs last enabled at (1755): [] __up_console_sem+0x78/0x80 [ 47.188364] hardirqs last disabled at (1764): [] __up_console_sem+0x5d/0x80 [ 47.189690] softirqs last enabled at (1694): [] handle_softirqs+0x50c/0x770 [ 47.190968] softirqs last disabled at (1689): [] __irq_exit_rcu+0xc4/0x100 [ 47.192228] ---[ end trace 0000000000000000 ]--- [ 50.404712] ------------[ cut here ]------------ [ 50.405659] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 50.407694] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/240 [ 50.409131] Modules linked in: [ 50.409771] CPU: 0 UID: 104 PID: 240 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 50.411735] Tainted: [W]=WARN [ 50.412316] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 50.413799] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 50.414704] 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 [ 50.417869] RSP: 0018:ffff888019997bc0 EFLAGS: 00010286 [ 50.418850] RAX: 0000000000000000 RBX: ffffed1003332f78 RCX: ffffffff813a4050 [ 50.420129] RDX: ffff88801436b780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 50.421396] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1003332f2f [ 50.422678] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000400dc0 [ 50.423944] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888019997df8 [ 50.425199] FS: 00007f731d159900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 50.426620] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.427663] CR2: 00007ffdf7a5eef7 CR3: 000000001f10f000 CR4: 0000000000350ef0 [ 50.428951] Call Trace: [ 50.429458] [ 50.429859] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 50.430742] ? __create_object+0x59/0x80 [ 50.431518] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 50.432488] __vmalloc_noprof+0x59/0x60 [ 50.433189] bpf_prog_alloc_no_stats+0x55/0x470 [ 50.434052] ? __pfx_seccomp_check_filter+0x10/0x10 [ 50.434961] bpf_prog_alloc+0x39/0x200 [ 50.435694] ? __pfx_seccomp_check_filter+0x10/0x10 [ 50.436616] bpf_prog_create_from_user+0xb2/0x2f0 [ 50.437501] do_seccomp+0x349/0x25e0 [ 50.438166] ? find_held_lock+0x2b/0x80 [ 50.438920] ? do_prlimit+0x310/0x610 [ 50.439638] ? __pfx_do_seccomp+0x10/0x10 [ 50.440419] ? do_raw_spin_unlock+0x53/0x220 [ 50.441194] ? _raw_spin_unlock+0x1e/0x40 [ 50.441968] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 50.442920] ? static_key_count+0x60/0x80 [ 50.443699] prctl_set_seccomp+0x4e/0x70 [ 50.444483] __do_sys_prctl+0xe6c/0x1d70 [ 50.445203] ? __pfx___do_sys_prctl+0x10/0x10 [ 50.446051] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 50.447008] ? irqentry_exit+0xf3/0x650 [ 50.447772] do_syscall_64+0xbf/0x430 [ 50.448522] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 50.449456] RIP: 0033:0x7f731d64b5cd [ 50.450107] 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 [ 50.453232] RSP: 002b:00007ffdf7a5cf30 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 50.454569] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f731d64b5cd [ 50.455843] RDX: 000055d559acbe00 RSI: 0000000000000002 RDI: 0000000000000016 [ 50.457237] RBP: 00007ffdf7a5cf90 R08: 0000000000000000 R09: 00007ffdf7a5c630 [ 50.458479] R10: 0000000000000000 R11: 0000000000000246 R12: 000055d57138fad0 [ 50.459730] R13: 00007ffdf7a5d3c0 R14: 000055d571390bc0 R15: 000055d5713a1780 [ 50.461033] [ 50.461479] irq event stamp: 1719 [ 50.462074] hardirqs last enabled at (1727): [] __up_console_sem+0x78/0x80 [ 50.463567] hardirqs last disabled at (1736): [] __up_console_sem+0x5d/0x80 [ 50.465078] softirqs last enabled at (1696): [] handle_softirqs+0x50c/0x770 [ 50.466594] softirqs last disabled at (1691): [] __irq_exit_rcu+0xc4/0x100 [ 50.468098] ---[ end trace 0000000000000000 ]--- [ 51.323752] ------------[ cut here ]------------ [ 51.324702] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 51.326726] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/248 [ 51.328199] Modules linked in: [ 51.328840] CPU: 0 UID: 104 PID: 248 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 51.330844] Tainted: [W]=WARN [ 51.331449] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 51.332946] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 51.333865] 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 [ 51.337042] RSP: 0018:ffff888019bcfbc0 EFLAGS: 00010286 [ 51.338031] RAX: 0000000000000000 RBX: ffffed1003379f78 RCX: ffffffff813a4050 [ 51.339325] RDX: ffff888016420000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 51.340680] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1003379f2f [ 51.341957] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000400dc0 [ 51.343241] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888019bcfdf8 [ 51.344532] FS: 00007f2592cc1900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 51.345986] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 51.347064] CR2: 00007f25931b3580 CR3: 000000000b7d1000 CR4: 0000000000350ef0 [ 51.348368] Call Trace: [ 51.348833] [ 51.349234] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 51.350126] ? __create_object+0x59/0x80 [ 51.350910] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 51.351873] __vmalloc_noprof+0x59/0x60 [ 51.352634] bpf_prog_alloc_no_stats+0x55/0x470 [ 51.353509] ? __pfx_seccomp_check_filter+0x10/0x10 [ 51.354437] bpf_prog_alloc+0x39/0x200 [ 51.355135] ? __pfx_seccomp_check_filter+0x10/0x10 [ 51.356071] bpf_prog_create_from_user+0xb2/0x2f0 [ 51.356971] do_seccomp+0x349/0x25e0 [ 51.357679] ? __pfx_css_rstat_updated+0x10/0x10 [ 51.358572] ? __pfx_do_seccomp+0x10/0x10 [ 51.359314] ? find_held_lock+0x2b/0x80 [ 51.360086] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 51.361061] ? static_key_count+0x60/0x80 [ 51.361857] prctl_set_seccomp+0x4e/0x70 [ 51.362632] __do_sys_prctl+0xe6c/0x1d70 [ 51.363417] ? __pfx___do_sys_prctl+0x10/0x10 [ 51.364224] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 51.365199] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 51.366154] ? irqentry_exit+0xf3/0x650 [ 51.366916] do_syscall_64+0xbf/0x430 [ 51.367657] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 51.368622] RIP: 0033:0x7f25931b35cd [ 51.369272] 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 [ 51.372431] RSP: 002b:00007ffdfed18070 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 51.373801] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f25931b35cd [ 51.375062] RDX: 000055ca6fa63e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 51.376350] RBP: 00007ffdfed180d0 R08: 0000000000000000 R09: 00007ffdfed17770 [ 51.377635] R10: 0000000000000000 R11: 0000000000000246 R12: 000055ca7eaefad0 [ 51.378913] R13: 00007ffdfed18500 R14: 000055ca7eaf0bc0 R15: 000055ca7eb01780 [ 51.380220] [ 51.380686] irq event stamp: 1735 [ 51.381303] hardirqs last enabled at (1743): [] __up_console_sem+0x78/0x80 [ 51.382837] hardirqs last disabled at (1754): [] __up_console_sem+0x5d/0x80 [ 51.384370] softirqs last enabled at (1702): [] handle_softirqs+0x50c/0x770 [ 51.385884] softirqs last disabled at (1697): [] __irq_exit_rcu+0xc4/0x100 [ 51.387385] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:26787' (ECDSA) to the list of known hosts. 2025/11/17 13:46:57 fuzzer started 2025/11/17 13:46:57 dialing manager at localhost:37895 2025/11/17 13:46:57 checking machine... 2025/11/17 13:46:57 checking revisions... [ 52.313501] kmemleak: Automatic memory scanning thread ended 2025/11/17 13:46:57 testing simple program... [ 52.398719] cgroup: Unknown subsys name 'net' [ 52.459972] cgroup: Unknown subsys name 'cpuset' [ 52.473386] cgroup: Unknown subsys name 'rlimit' executing program executing program VM DIAGNOSIS: 13:46:56 Registers: info registers vcpu 0 RAX=0000000000000000 RBX=0000000000000001 RCX=ffffffff86ab8c8a RDX=0000000000000000 RSI=0000000000000001 RDI=0000000000000001 RBP=ffff888009627898 RSP=ffff8880096277d0 R8 =ffffffff86ab8c8e R9 =0000000000000000 R10=000000000003c9ed R11=0000000000025776 R12=ffff8880096278a0 R13=ffff888009627888 R14=ffff888009627881 R15=ffff888009627840 RIP=ffffffff8135e8c8 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 0000000000000000 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe2c00000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007ffdf7a57000 CR3=000000000b865000 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=36343a333120373120766f4e3e36383c XMM01=7365733a646873732878696e755f6d61 XMM02=736f6c63206e6f6973736573203a296e XMM03=5f6d6170203a5d3933325b6468737320 XMM04=6456774875434142334f726f59427469 XMM05=485320415352203a3268737320303332 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=000000000002a723 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 fffffe3b00000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007fe0c0b67140 CR3=000000000b865000 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=2036353a36343a333120373120766f4e XMM01=73732878696e755f6d6170203a5d3933 XMM02=65736f6c63206e6f6973736573203a29 XMM03=755f6d6170203a5d3933325b64687373 XMM04=69662068637573206f4e203a656c6163 XMM05=3a656c696620766e65206e65706f206f XMM06=65733a6468737328766e655f6d617020 XMM07=6b7a79732036353a36343a3331203731 XMM08=30343d7974696c696261706163202279 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000