syzkaller login: [ 46.185628] ------------[ cut here ]------------ [ 46.186728] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 46.188981] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/233 [ 46.190688] Modules linked in: [ 46.191420] CPU: 1 UID: 104 PID: 233 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 46.193936] Tainted: [W]=WARN [ 46.195109] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 46.196812] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 46.197870] 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 [ 46.201625] RSP: 0018:ffff88801570fbc0 EFLAGS: 00010286 [ 46.202765] RAX: 0000000000000000 RBX: ffffed1002ae1f78 RCX: ffffffff813a4050 [ 46.204245] RDX: ffff88801a660000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 46.205741] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002ae1f2f [ 46.207218] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 46.208689] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801570fdf8 [ 46.210176] FS: 00007fcfb7b3b900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 46.211827] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 46.213052] CR2: 00007fffa1c30ef8 CR3: 000000001c4e6000 CR4: 0000000000350ef0 [ 46.214543] Call Trace: [ 46.215079] [ 46.215605] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 46.216624] ? __create_object+0x59/0x80 [ 46.217547] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 46.218660] __vmalloc_noprof+0x59/0x60 [ 46.219518] bpf_prog_alloc_no_stats+0x55/0x470 [ 46.220519] ? __pfx_seccomp_check_filter+0x10/0x10 [ 46.221545] bpf_prog_alloc+0x39/0x200 [ 46.222228] ? __pfx_seccomp_check_filter+0x10/0x10 [ 46.223145] bpf_prog_create_from_user+0xb2/0x2f0 [ 46.224042] do_seccomp+0x349/0x25e0 [ 46.224749] ? find_held_lock+0x2b/0x80 [ 46.225521] ? do_prlimit+0x310/0x610 [ 46.226215] ? __pfx_do_seccomp+0x10/0x10 [ 46.226986] ? do_raw_spin_unlock+0x53/0x220 [ 46.227818] ? _raw_spin_unlock+0x1e/0x40 [ 46.228572] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 46.229546] ? static_key_count+0x60/0x80 [ 46.230296] prctl_set_seccomp+0x4e/0x70 [ 46.231070] __do_sys_prctl+0xe6c/0x1d70 [ 46.231842] ? __pfx___do_sys_prctl+0x10/0x10 [ 46.232684] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 46.233646] ? irqentry_exit+0xf3/0x650 [ 46.234406] do_syscall_64+0xbf/0x430 [ 46.235087] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 46.236028] RIP: 0033:0x7fcfb802d5cd [ 46.236729] 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 [ 46.239861] RSP: 002b:00007fffa1c2ed90 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 46.241210] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fcfb802d5cd [ 46.242464] RDX: 000055b0888afe00 RSI: 0000000000000002 RDI: 0000000000000016 [ 46.243730] RBP: 00007fffa1c2edf0 R08: 0000000000000000 R09: 00007fffa1c2e490 [ 46.244989] R10: 0000000000000000 R11: 0000000000000246 R12: 000055b09a39aad0 [ 46.246267] R13: 00007fffa1c2f220 R14: 000055b09a39bbc0 R15: 000055b09a3ac780 [ 46.247546] [ 46.247956] irq event stamp: 2025 [ 46.248592] hardirqs last enabled at (2035): [] __up_console_sem+0x78/0x80 [ 46.250090] hardirqs last disabled at (2044): [] __up_console_sem+0x5d/0x80 [ 46.251590] softirqs last enabled at (1984): [] handle_softirqs+0x50c/0x770 [ 46.253116] softirqs last disabled at (1979): [] __irq_exit_rcu+0xc4/0x100 [ 46.254376] ---[ end trace 0000000000000000 ]--- [ 49.643849] ------------[ cut here ]------------ [ 49.644845] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 49.647083] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/241 [ 49.648706] Modules linked in: [ 49.649421] CPU: 1 UID: 104 PID: 241 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 49.651682] Tainted: [W]=WARN [ 49.652234] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 49.653782] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 49.654828] 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 [ 49.658177] RSP: 0018:ffff8880162c7bc0 EFLAGS: 00010286 [ 49.659157] RAX: 0000000000000000 RBX: ffffed1002c58f78 RCX: ffffffff813a4050 [ 49.660492] RDX: ffff888015259bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 49.661933] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002c58f2f [ 49.663436] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 49.664950] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff8880162c7df8 [ 49.666410] FS: 00007f0d5b386900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 49.668062] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 49.669366] CR2: 00007f0d5b878580 CR3: 000000000dd21000 CR4: 0000000000350ef0 [ 49.670808] Call Trace: [ 49.671401] [ 49.671848] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 49.672749] ? __create_object+0x59/0x80 [ 49.673601] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 49.674732] __vmalloc_noprof+0x59/0x60 [ 49.675532] bpf_prog_alloc_no_stats+0x55/0x470 [ 49.676463] ? __pfx_seccomp_check_filter+0x10/0x10 [ 49.677415] bpf_prog_alloc+0x39/0x200 [ 49.678113] ? __pfx_seccomp_check_filter+0x10/0x10 [ 49.679054] bpf_prog_create_from_user+0xb2/0x2f0 [ 49.679950] do_seccomp+0x349/0x25e0 [ 49.680689] ? __pfx_css_rstat_updated+0x10/0x10 [ 49.681591] ? __pfx_do_seccomp+0x10/0x10 [ 49.682368] ? find_held_lock+0x2b/0x80 [ 49.683070] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 49.684015] ? static_key_count+0x60/0x80 [ 49.684799] prctl_set_seccomp+0x4e/0x70 [ 49.685576] __do_sys_prctl+0xe6c/0x1d70 [ 49.686350] ? __pfx___do_sys_prctl+0x10/0x10 [ 49.687146] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 49.688076] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 49.689016] ? irqentry_exit+0xf3/0x650 [ 49.689776] do_syscall_64+0xbf/0x430 [ 49.690497] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 49.691449] RIP: 0033:0x7f0d5b8785cd [ 49.692099] 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 [ 49.695194] RSP: 002b:00007ffc5fd80040 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 49.696524] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f0d5b8785cd [ 49.697792] RDX: 000056171e5bbe00 RSI: 0000000000000002 RDI: 0000000000000016 [ 49.699046] RBP: 00007ffc5fd800a0 R08: 0000000000000000 R09: 00007ffc5fd7f740 [ 49.700297] R10: 0000000000000000 R11: 0000000000000246 R12: 0000561750e2ead0 [ 49.701591] R13: 00007ffc5fd804d0 R14: 0000561750e2fbc0 R15: 0000561750e40780 [ 49.702864] [ 49.703278] irq event stamp: 1739 [ 49.703901] hardirqs last enabled at (1749): [] __up_console_sem+0x78/0x80 [ 49.705403] hardirqs last disabled at (1758): [] __up_console_sem+0x5d/0x80 [ 49.706889] softirqs last enabled at (1676): [] handle_softirqs+0x50c/0x770 [ 49.708404] softirqs last disabled at (1671): [] __irq_exit_rcu+0xc4/0x100 [ 49.709914] ---[ end trace 0000000000000000 ]--- [ 50.494132] ------------[ cut here ]------------ [ 50.495057] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 50.497046] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/248 [ 50.498717] Modules linked in: [ 50.499421] CPU: 1 UID: 104 PID: 248 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 50.501436] Tainted: [W]=WARN [ 50.501994] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 50.503449] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 50.504367] 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 [ 50.507564] RSP: 0018:ffff888016be7bc0 EFLAGS: 00010286 [ 50.508569] RAX: 0000000000000000 RBX: ffffed1002d7cf78 RCX: ffffffff813a4050 [ 50.509875] RDX: ffff8880164d1bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 50.511165] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002d7cf2f [ 50.512459] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 50.513780] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888016be7df8 [ 50.515083] FS: 00007f22cc04d900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 50.516552] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.517658] CR2: 00007ffe13230ef8 CR3: 000000000c134000 CR4: 0000000000350ef0 [ 50.518948] Call Trace: [ 50.519452] [ 50.519869] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 50.520772] ? __create_object+0x59/0x80 [ 50.521595] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 50.522576] __vmalloc_noprof+0x59/0x60 [ 50.523299] bpf_prog_alloc_no_stats+0x55/0x470 [ 50.524176] ? __pfx_seccomp_check_filter+0x10/0x10 [ 50.525107] bpf_prog_alloc+0x39/0x200 [ 50.525879] ? __pfx_seccomp_check_filter+0x10/0x10 [ 50.526816] bpf_prog_create_from_user+0xb2/0x2f0 [ 50.527739] do_seccomp+0x349/0x25e0 [ 50.528468] ? find_held_lock+0x2b/0x80 [ 50.529200] ? do_prlimit+0x310/0x610 [ 50.529956] ? __pfx_do_seccomp+0x10/0x10 [ 50.530745] ? do_raw_spin_unlock+0x53/0x220 [ 50.531593] ? _raw_spin_unlock+0x1e/0x40 [ 50.532381] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 50.533372] ? static_key_count+0x60/0x80 [ 50.534135] prctl_set_seccomp+0x4e/0x70 [ 50.534921] __do_sys_prctl+0xe6c/0x1d70 [ 50.535707] ? __pfx___do_sys_prctl+0x10/0x10 [ 50.536593] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 50.537583] ? irqentry_exit+0xf3/0x650 [ 50.538367] do_syscall_64+0xbf/0x430 [ 50.539068] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 50.540035] RIP: 0033:0x7f22cc53f5cd [ 50.540751] 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 [ 50.543962] RSP: 002b:00007ffe1322e790 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 50.545373] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f22cc53f5cd [ 50.546681] RDX: 0000558be88d8e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 50.547954] RBP: 00007ffe1322e7f0 R08: 0000000000000000 R09: 00007ffe1322de90 [ 50.549280] R10: 0000000000000000 R11: 0000000000000246 R12: 0000558c1dc712b0 [ 50.550575] R13: 00007ffe1322ec20 R14: 0000558c1dc73d20 R15: 0000558c1dc858d0 [ 50.551885] [ 50.552305] irq event stamp: 1833 [ 50.552964] hardirqs last enabled at (1843): [] __up_console_sem+0x78/0x80 [ 50.554395] hardirqs last disabled at (1868): [] __up_console_sem+0x5d/0x80 [ 50.555681] softirqs last enabled at (1886): [] handle_softirqs+0x50c/0x770 [ 50.556972] softirqs last disabled at (1877): [] __irq_exit_rcu+0xc4/0x100 [ 50.558251] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:24800' (ECDSA) to the list of known hosts. 2025/11/19 03:06:03 fuzzer started 2025/11/19 03:06:04 dialing manager at localhost:34383 2025/11/19 03:06:04 checking machine... 2025/11/19 03:06:04 checking revisions... [ 51.464433] kmemleak: Automatic memory scanning thread ended 2025/11/19 03:06:04 testing simple program... [ 51.543680] cgroup: Unknown subsys name 'net' [ 51.602949] cgroup: Unknown subsys name 'cpuset' [ 51.616732] cgroup: Unknown subsys name 'rlimit' executing program executing program VM DIAGNOSIS: 03:06:03 Registers: info registers vcpu 0 RAX=0000000000000002 RBX=0000000000000001 RCX=ffffffff86aaac00 RDX=0000000000000000 RSI=0000000000000001 RDI=0000000000000001 RBP=ffff88801a45f750 RSP=ffff88801a45f688 R8 =ffffffff86aaac04 R9 =0000000000000000 R10=000000000003c9ed R11=00000000000231c0 R12=ffff88801a45f758 R13=ffff88801a45f740 R14=ffff88801a45ff18 R15=ffff88801a45f6f8 RIP=ffffffff8135e990 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 00007f0d5b386900 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe3d00000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f0d5b365020 CR3=00000000205be000 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=652022746f6f72223d74636361207469 XMM02=3d6c616e696d72657420322e322e302e XMM03=3d656d616e74736f682022646873732f XMM04=40404040404040404040404040404040 XMM05=5a5a5a5a5a5a5a5a5a5a5a5a5a5a5a5a XMM06=20202020202020202020202020202020 XMM07=00000000000000000000000000000000 XMM08=652075253d64692073253d706f000000 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=000000000002b359 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 fffffe5100000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f1a73aff048 CR3=000000000dae0000 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=a585c424a47c70ac734e6977b549d5fa XMM02=2c67c8bc2e329bc30000000000305990 XMM03=fb795ef6d6577056000000000030ea70 XMM04=a5886cec60990c5400000000000ae988 XMM05=e4cf14975432e73c000000000031fab8 XMM06=474038aa6c007e1f000000000031e8d0 XMM07=e042d86d42eb936e000000000030ecf0 XMM08=4fbbac833195e07300000000003059f0 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000