syzkaller login: [ 39.003034] ------------[ cut here ]------------ [ 39.003963] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 39.005983] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/232 [ 39.007444] Modules linked in: [ 39.008043] CPU: 0 UID: 104 PID: 232 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 39.010090] Tainted: [W]=WARN [ 39.010787] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 39.012289] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 39.013219] 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 [ 39.016486] RSP: 0018:ffff8880189c7bc0 EFLAGS: 00010286 [ 39.017486] RAX: 0000000000000000 RBX: ffffed1003138f78 RCX: ffffffff813a4050 [ 39.018774] RDX: ffff8880161cb780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 39.020093] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1003138f2f [ 39.021419] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 39.022719] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff8880189c7df8 [ 39.024021] FS: 00007fd56933e900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 39.025531] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 39.026608] CR2: 00007ffcec09def7 CR3: 0000000009c8d000 CR4: 0000000000350ef0 [ 39.027905] Call Trace: [ 39.028441] [ 39.028862] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 39.029766] ? __create_object+0x59/0x80 [ 39.030554] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.031558] __vmalloc_noprof+0x59/0x60 [ 39.032352] bpf_prog_alloc_no_stats+0x55/0x470 [ 39.033250] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.034148] bpf_prog_alloc+0x39/0x200 [ 39.034907] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.035849] bpf_prog_create_from_user+0xb2/0x2f0 [ 39.036764] do_seccomp+0x349/0x25e0 [ 39.037498] ? find_held_lock+0x2b/0x80 [ 39.038271] ? do_prlimit+0x310/0x610 [ 39.038972] ? __pfx_do_seccomp+0x10/0x10 [ 39.039765] ? do_raw_spin_unlock+0x53/0x220 [ 39.040602] ? _raw_spin_unlock+0x1e/0x40 [ 39.041403] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 39.042397] ? static_key_count+0x60/0x80 [ 39.043151] prctl_set_seccomp+0x4e/0x70 [ 39.043935] __do_sys_prctl+0xe6c/0x1d70 [ 39.044751] ? __pfx___do_sys_prctl+0x10/0x10 [ 39.045616] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 39.046600] ? irqentry_exit+0xf3/0x650 [ 39.047363] do_syscall_64+0xbf/0x430 [ 39.048057] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 39.049028] RIP: 0033:0x7fd5698305cd [ 39.049766] 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 [ 39.053002] RSP: 002b:00007ffcec09bc30 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 39.054380] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fd5698305cd [ 39.055680] RDX: 000056216594ce00 RSI: 0000000000000002 RDI: 0000000000000016 [ 39.057012] RBP: 00007ffcec09bc90 R08: 0000000000000000 R09: 00007ffcec09b330 [ 39.058306] R10: 0000000000000000 R11: 0000000000000246 R12: 00005621722082b0 [ 39.059595] R13: 00007ffcec09c0c0 R14: 000056217220ad20 R15: 000056217221c8d0 [ 39.060914] [ 39.061392] irq event stamp: 1779 [ 39.062003] hardirqs last enabled at (1787): [] __up_console_sem+0x78/0x80 [ 39.063551] hardirqs last disabled at (1796): [] __up_console_sem+0x5d/0x80 [ 39.065105] softirqs last enabled at (1314): [] handle_softirqs+0x50c/0x770 [ 39.066696] softirqs last disabled at (1309): [] __irq_exit_rcu+0xc4/0x100 [ 39.068251] ---[ end trace 0000000000000000 ]--- [ 42.122145] ------------[ cut here ]------------ [ 42.122906] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.124568] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/240 [ 42.125753] Modules linked in: [ 42.126265] CPU: 1 UID: 104 PID: 240 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 42.127880] Tainted: [W]=WARN [ 42.128386] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.129596] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.130355] 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 [ 42.132974] RSP: 0018:ffff8880171f7bc0 EFLAGS: 00010286 [ 42.133781] RAX: 0000000000000000 RBX: ffffed1002e3ef78 RCX: ffffffff813a4050 [ 42.134835] RDX: ffff888016030000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.135897] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002e3ef2f [ 42.136976] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.138034] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff8880171f7df8 [ 42.139099] FS: 00007f866d891900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 42.140294] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.141144] CR2: 00007f866dd83580 CR3: 000000000e2b8000 CR4: 0000000000350ef0 [ 42.142207] Call Trace: [ 42.142593] [ 42.142930] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.143670] ? __create_object+0x59/0x80 [ 42.144333] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.145103] __vmalloc_noprof+0x59/0x60 [ 42.145726] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.146449] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.147227] bpf_prog_alloc+0x39/0x200 [ 42.147797] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.148573] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.149322] do_seccomp+0x349/0x25e0 [ 42.149879] ? __pfx_css_rstat_updated+0x10/0x10 [ 42.150616] ? __pfx_do_seccomp+0x10/0x10 [ 42.151260] ? find_held_lock+0x2b/0x80 [ 42.151864] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.152677] ? static_key_count+0x60/0x80 [ 42.153333] prctl_set_seccomp+0x4e/0x70 [ 42.153942] __do_sys_prctl+0xe6c/0x1d70 [ 42.154588] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.155284] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.156043] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.156853] ? irqentry_exit+0xf3/0x650 [ 42.157474] do_syscall_64+0xbf/0x430 [ 42.158051] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.158840] RIP: 0033:0x7f866dd835cd [ 42.159420] 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 [ 42.162060] RSP: 002b:00007ffd82d80ed0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.163194] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f866dd835cd [ 42.164268] RDX: 000055717df84e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.165329] RBP: 00007ffd82d80f30 R08: 0000000000000000 R09: 00007ffd82d805d0 [ 42.166385] R10: 0000000000000000 R11: 0000000000000246 R12: 00005571af296b10 [ 42.167462] R13: 00007ffd82d81360 R14: 00005571af2972b0 R15: 00005571af2ab6f0 [ 42.168544] [ 42.168897] irq event stamp: 1705 [ 42.169430] hardirqs last enabled at (1715): [] __up_console_sem+0x78/0x80 [ 42.170701] hardirqs last disabled at (1724): [] __up_console_sem+0x5d/0x80 [ 42.171967] softirqs last enabled at (1684): [] handle_softirqs+0x50c/0x770 [ 42.173262] softirqs last disabled at (1677): [] __irq_exit_rcu+0xc4/0x100 [ 42.174502] ---[ end trace 0000000000000000 ]--- [ 42.959464] ------------[ cut here ]------------ [ 42.960392] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.962391] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/247 [ 42.963818] Modules linked in: [ 42.964456] CPU: 0 UID: 104 PID: 247 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 42.966459] Tainted: [W]=WARN [ 42.967018] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.968730] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.969723] 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 [ 42.972932] RSP: 0018:ffff88801703fbc0 EFLAGS: 00010286 [ 42.973908] RAX: 0000000000000000 RBX: ffffed1002e07f78 RCX: ffffffff813a4050 [ 42.975214] RDX: ffff888013f25340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.976499] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002e07f2f [ 42.977779] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.979072] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801703fdf8 [ 42.980357] FS: 00007fbdbaa09900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 42.981796] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.982841] CR2: 00007fff21b8def7 CR3: 000000000e478000 CR4: 0000000000350ef0 [ 42.984140] Call Trace: [ 42.984671] [ 42.985094] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.985987] ? __create_object+0x59/0x80 [ 42.986766] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.987730] __vmalloc_noprof+0x59/0x60 [ 42.988508] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.989383] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.990330] bpf_prog_alloc+0x39/0x200 [ 42.991020] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.991948] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.992872] do_seccomp+0x349/0x25e0 [ 42.993597] ? find_held_lock+0x2b/0x80 [ 42.994359] ? do_prlimit+0x310/0x610 [ 42.995060] ? __pfx_do_seccomp+0x10/0x10 [ 42.995865] ? do_raw_spin_unlock+0x53/0x220 [ 42.996707] ? _raw_spin_unlock+0x1e/0x40 [ 42.997490] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.998450] ? static_key_count+0x60/0x80 [ 42.999254] prctl_set_seccomp+0x4e/0x70 [ 42.999981] __do_sys_prctl+0xe6c/0x1d70 [ 43.000779] ? __pfx___do_sys_prctl+0x10/0x10 [ 43.001639] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 43.002599] ? irqentry_exit+0xf3/0x650 [ 43.003379] do_syscall_64+0xbf/0x430 [ 43.004070] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 43.005034] RIP: 0033:0x7fbdbaefb5cd [ 43.005740] 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 [ 43.008953] RSP: 002b:00007fff21b8c190 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 43.010303] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fbdbaefb5cd [ 43.011584] RDX: 00005590cb92ee00 RSI: 0000000000000002 RDI: 0000000000000016 [ 43.012892] RBP: 00007fff21b8c1f0 R08: 0000000000000000 R09: 00007fff21b8b890 [ 43.014167] R10: 0000000000000000 R11: 0000000000000246 R12: 00005590f18d32b0 [ 43.015467] R13: 00007fff21b8c620 R14: 00005590f18d5d20 R15: 00005590f18e78d0 [ 43.016781] [ 43.017237] irq event stamp: 1875 [ 43.017850] hardirqs last enabled at (1883): [] __up_console_sem+0x78/0x80 [ 43.019373] hardirqs last disabled at (1892): [] __up_console_sem+0x5d/0x80 [ 43.020924] softirqs last enabled at (1756): [] handle_softirqs+0x50c/0x770 [ 43.022455] softirqs last disabled at (1751): [] __irq_exit_rcu+0xc4/0x100 [ 43.023956] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:62688' (ECDSA) to the list of known hosts. 2025/11/18 20:18:44 fuzzer started 2025/11/18 20:18:45 dialing manager at localhost:34383 2025/11/18 20:18:45 checking machine... 2025/11/18 20:18:45 checking revisions... [ 43.919077] kmemleak: Automatic memory scanning thread ended 2025/11/18 20:18:45 testing simple program... [ 44.009522] cgroup: Unknown subsys name 'net' [ 44.061165] cgroup: Unknown subsys name 'cpuset' [ 44.078786] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program VM DIAGNOSIS: 20:18:44 Registers: info registers vcpu 0 RAX=dffffc0000000000 RBX=0000000000000001 RCX=ffffffff83caaa3d RDX=1ffff1100406a931 RSI=ffffffff83cab0ca RDI=ffff8880203548c0 RBP=ffff8880203548c0 RSP=ffff888015cb7930 R8 =0000000000000001 R9 =ffffed10027eee23 R10=0000000000000000 R11=0000000000000001 R12=ffff88802035499c R13=0000000000000000 R14=ffff888015cb7a90 R15=ffff8880203548c0 RIP=ffffffff83cab0f1 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 00007f8bdb28c900 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=00007f8bda9a4028 CR3=000000000bd4c000 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=f6467e3b2123669599428336d7920835 XMM02=00000000003029c0d59e07bde36eea69 XMM03=0000000000302ae8ec2efd57dc4c00df XMM04=0ff0bf14d0637a3e00000000000ae988 XMM05=ad94ef4191803a6b0000000000321f70 XMM06=07c8bb74b6c04a440000000000320e08 XMM07=fb795ef6d65770560000000000310528 XMM08=2c67c8bc2e329bc30000000000302ae8 XMM09=00000000000000000000000000000000 XMM10=20200000000020202020202020200000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=ffff888011bdf3e8 RBX=ffff888011be1d20 RCX=ffff8880189d7800 RDX=ffff8880110c73e8 RSI=ffff8880189d7000 RDI=0000000000000000 RBP=ffff88802034a378 RSP=ffff888016617c28 R8 =0000000000000000 R9 =ffffed1002cc2f77 R10=0000000000000003 R11=0000000000000001 R12=ffff8880189d7000 R13=0000000000000800 R14=0000000000000001 R15=0000000000000286 RIP=ffffffff81b62806 RFL=00000082 [--S----] 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 00007f866d891900 00000000 00000000 GS =0000 ffff8880e548f000 00000000 00000000 LDT=0000 fffffe1600000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007ffd82d7b000 CR3=0000000020817000 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