syzkaller login: [ 38.990008] ------------[ cut here ]------------ [ 38.990950] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 38.992936] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/232 [ 38.994391] Modules linked in: [ 38.994981] CPU: 1 UID: 104 PID: 232 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 38.996932] Tainted: [W]=WARN [ 38.997523] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 38.998965] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 38.999849] 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 [ 39.002960] RSP: 0018:ffff88800f227bc0 EFLAGS: 00010286 [ 39.003929] RAX: 0000000000000000 RBX: ffffed1001e44f78 RCX: ffffffff813a4050 [ 39.005206] RDX: ffff88801ba5b780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 39.006476] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1001e44f2f [ 39.007742] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 39.009046] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88800f227df8 [ 39.010350] FS: 00007f4e68816900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 39.011772] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 39.012845] CR2: 00007f4e68d08580 CR3: 000000001cd60000 CR4: 0000000000350ef0 [ 39.014135] Call Trace: [ 39.014603] [ 39.015003] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 39.015886] ? __create_object+0x59/0x80 [ 39.016655] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.017614] __vmalloc_noprof+0x59/0x60 [ 39.018378] bpf_prog_alloc_no_stats+0x55/0x470 [ 39.019242] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.020174] bpf_prog_alloc+0x39/0x200 [ 39.020860] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.021773] bpf_prog_create_from_user+0xb2/0x2f0 [ 39.022695] do_seccomp+0x349/0x25e0 [ 39.023404] ? __pfx_css_rstat_updated+0x10/0x10 [ 39.024298] ? __pfx_do_seccomp+0x10/0x10 [ 39.025083] ? find_held_lock+0x2b/0x80 [ 39.025793] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 39.026761] ? static_key_count+0x60/0x80 [ 39.027549] prctl_set_seccomp+0x4e/0x70 [ 39.028320] __do_sys_prctl+0xe6c/0x1d70 [ 39.029109] ? __pfx___do_sys_prctl+0x10/0x10 [ 39.029905] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.030888] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 39.031855] ? irqentry_exit+0xf3/0x650 [ 39.032623] do_syscall_64+0xbf/0x430 [ 39.033364] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 39.034319] RIP: 0033:0x7f4e68d085cd [ 39.034973] 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 [ 39.038095] RSP: 002b:00007ffea6a03d90 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 39.039462] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f4e68d085cd [ 39.040742] RDX: 000056271c3fae00 RSI: 0000000000000002 RDI: 0000000000000016 [ 39.042050] RBP: 00007ffea6a03df0 R08: 0000000000000000 R09: 00007ffea6a03490 [ 39.043375] R10: 0000000000000000 R11: 0000000000000246 R12: 000056271c8f4ad0 [ 39.044664] R13: 00007ffea6a04220 R14: 000056271c8f5bc0 R15: 000056271c906780 [ 39.045958] [ 39.046437] irq event stamp: 1691 [ 39.047083] hardirqs last enabled at (1701): [] __up_console_sem+0x78/0x80 [ 39.048598] hardirqs last disabled at (1710): [] __up_console_sem+0x5d/0x80 [ 39.050105] softirqs last enabled at (1658): [] handle_softirqs+0x50c/0x770 [ 39.051666] softirqs last disabled at (1653): [] __irq_exit_rcu+0xc4/0x100 [ 39.053171] ---[ end trace 0000000000000000 ]--- [ 41.782545] ------------[ cut here ]------------ [ 41.783476] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 41.785510] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/242 [ 41.786996] Modules linked in: [ 41.787635] CPU: 0 UID: 104 PID: 242 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 41.789853] Tainted: [W]=WARN [ 41.790538] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 41.792046] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 41.792923] 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 [ 41.796105] RSP: 0018:ffff888016287bc0 EFLAGS: 00010286 [ 41.797086] RAX: 0000000000000000 RBX: ffffed1002c50f78 RCX: ffffffff813a4050 [ 41.798375] RDX: ffff88801baad340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 41.799667] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002c50f2f [ 41.800947] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 41.802239] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888016287df8 [ 41.803520] FS: 00007fdc7fb7d900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 41.804982] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 41.806061] CR2: 00007fdc800e34a6 CR3: 000000000cd7e000 CR4: 0000000000350ef0 [ 41.807365] Call Trace: [ 41.807828] [ 41.808286] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 41.809176] ? __create_object+0x59/0x80 [ 41.809919] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 41.810904] __vmalloc_noprof+0x59/0x60 [ 41.811669] bpf_prog_alloc_no_stats+0x55/0x470 [ 41.812543] ? __pfx_seccomp_check_filter+0x10/0x10 [ 41.813492] bpf_prog_alloc+0x39/0x200 [ 41.814248] ? __pfx_seccomp_check_filter+0x10/0x10 [ 41.815196] bpf_prog_create_from_user+0xb2/0x2f0 [ 41.816094] do_seccomp+0x349/0x25e0 [ 41.816764] ? find_held_lock+0x2b/0x80 [ 41.817539] ? do_prlimit+0x310/0x610 [ 41.818306] ? __pfx_do_seccomp+0x10/0x10 [ 41.819092] ? do_raw_spin_unlock+0x53/0x220 [ 41.819885] ? _raw_spin_unlock+0x1e/0x40 [ 41.820659] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 41.821624] ? static_key_count+0x60/0x80 [ 41.822441] prctl_set_seccomp+0x4e/0x70 [ 41.823242] __do_sys_prctl+0xe6c/0x1d70 [ 41.823976] ? __pfx___do_sys_prctl+0x10/0x10 [ 41.824838] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 41.825816] ? irqentry_exit+0xf3/0x650 [ 41.826601] do_syscall_64+0xbf/0x430 [ 41.827344] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 41.828301] RIP: 0033:0x7fdc8006f5cd [ 41.828953] 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 [ 41.832120] RSP: 002b:00007fffc6596240 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 41.833471] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fdc8006f5cd [ 41.834806] RDX: 000055d336ef7e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 41.836094] RBP: 00007fffc65962a0 R08: 0000000000000000 R09: 00007fffc6595940 [ 41.837377] R10: 0000000000000000 R11: 0000000000000246 R12: 000055d34c1b2ad0 [ 41.838658] R13: 00007fffc65966d0 R14: 000055d34c1b3bc0 R15: 000055d34c1c4780 [ 41.839931] [ 41.840397] irq event stamp: 1935 [ 41.841143] hardirqs last enabled at (1945): [] __up_console_sem+0x78/0x80 [ 41.842932] hardirqs last disabled at (1956): [] __up_console_sem+0x5d/0x80 [ 41.844459] softirqs last enabled at (1778): [] handle_softirqs+0x50c/0x770 [ 41.845989] softirqs last disabled at (1773): [] __irq_exit_rcu+0xc4/0x100 [ 41.847721] ---[ end trace 0000000000000000 ]--- [ 42.671208] ------------[ cut here ]------------ [ 42.672113] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.674095] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/249 [ 42.675526] Modules linked in: [ 42.676384] CPU: 0 UID: 104 PID: 249 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 42.678402] Tainted: [W]=WARN [ 42.678943] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.680377] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.681265] 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 [ 42.684376] RSP: 0018:ffff888017357bc0 EFLAGS: 00010286 [ 42.685343] RAX: 0000000000000000 RBX: ffffed1002e6af78 RCX: ffffffff813a4050 [ 42.686614] RDX: ffff888016079bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.687874] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002e6af2f [ 42.689127] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.690383] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888017357df8 [ 42.691638] FS: 00007f6ad8b18900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 42.693064] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.694105] CR2: 00007f6ad907e4a6 CR3: 000000001bbde000 CR4: 0000000000350ef0 [ 42.695365] Call Trace: [ 42.695819] [ 42.696264] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.697151] ? __create_object+0x59/0x80 [ 42.697874] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.698840] __vmalloc_noprof+0x59/0x60 [ 42.699572] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.700429] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.701359] bpf_prog_alloc+0x39/0x200 [ 42.702099] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.702996] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.703903] do_seccomp+0x349/0x25e0 [ 42.704618] ? find_held_lock+0x2b/0x80 [ 42.705373] ? do_prlimit+0x310/0x610 [ 42.706117] ? __pfx_do_seccomp+0x10/0x10 [ 42.706853] ? do_raw_spin_unlock+0x53/0x220 [ 42.707681] ? _raw_spin_unlock+0x1e/0x40 [ 42.708471] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.709421] ? static_key_count+0x60/0x80 [ 42.710236] prctl_set_seccomp+0x4e/0x70 [ 42.710976] __do_sys_prctl+0xe6c/0x1d70 [ 42.711748] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.712612] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.713576] ? irqentry_exit+0xf3/0x650 [ 42.714358] do_syscall_64+0xbf/0x430 [ 42.715090] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.715983] RIP: 0033:0x7f6ad900a5cd [ 42.716679] 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 [ 42.719825] RSP: 002b:00007ffdb143fef0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.721171] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f6ad900a5cd [ 42.722448] RDX: 0000563659775e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.723723] RBP: 00007ffdb143ff50 R08: 0000000000000000 R09: 00007ffdb143f5f0 [ 42.725008] R10: 0000000000000000 R11: 0000000000000246 R12: 000056365ee8ead0 [ 42.726317] R13: 00007ffdb1440380 R14: 000056365ee8fbc0 R15: 000056365eea0780 [ 42.727605] [ 42.728055] irq event stamp: 1787 [ 42.728660] hardirqs last enabled at (1795): [] __up_console_sem+0x78/0x80 [ 42.730192] hardirqs last disabled at (1804): [] __up_console_sem+0x5d/0x80 [ 42.731538] softirqs last enabled at (1706): [] handle_softirqs+0x50c/0x770 [ 42.732806] softirqs last disabled at (1701): [] __irq_exit_rcu+0xc4/0x100 [ 42.734045] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:48191' (ECDSA) to the list of known hosts. 2025/11/18 15:21:40 fuzzer started 2025/11/18 15:21:41 dialing manager at localhost:34383 2025/11/18 15:21:41 checking machine... 2025/11/18 15:21:41 checking revisions... [ 43.716880] kmemleak: Automatic memory scanning thread ended 2025/11/18 15:21:41 testing simple program... [ 43.784254] cgroup: Unknown subsys name 'net' [ 43.842377] cgroup: Unknown subsys name 'cpuset' [ 43.859802] cgroup: Unknown subsys name 'rlimit' executing program executing program VM DIAGNOSIS: 15:21:40 Registers: info registers vcpu 0 RAX=0000000000000016 RBX=0000000000000002 RCX=ffffffff81b2d6a9 RDX=0000000000000016 RSI=ffffffff86ab8dd8 RDI=ffffffff8672632c RBP=ffffffff8672632c RSP=ffff88806ce089b8 R8 =ffffffff86ab8dd8 R9 =0000000000000000 R10=000000000003c9ed R11=0000000000025764 R12=ffffffff86726384 R13=ffffffff8672632c R14=ffffffff8672632c R15=dffffc0000000000 RIP=ffffffff8135da9b 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 0000000000000000 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe2300000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007fdc80132650 CR3=00000000208b8000 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=ffffffff00ffffffffffffffffffffff XMM01=707465675f6c697475646f6d6d61705f XMM02=ff000000000000ff0000000000ff0000 XMM03=66207463656e6e6f6373696420646576 XMM04=00000000000000000000000000000000 XMM05=00000000000000000000000000000000 XMM06=0d0c0f0e09080b0a0504070601000302 XMM07=00000000000000000000000000000000 XMM08=000a0d732a2e25006c61746166003367 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=0000000000000003 RBX=0000000000000001 RCX=ffffffff8100012f RDX=0000000000000025 RSI=0000000000000001 RDI=ffffffff869d825e RBP=ffff888015bef750 RSP=ffff888015bef688 R8 =ffffffff869d8192 R9 =0000000000000000 R10=000000000003c9ed R11=0000000000000003 R12=ffff888015bef758 R13=ffff888015bef740 R14=ffff888015bef739 R15=ffff888015bef6f8 RIP=ffffffff8135e6d6 RFL=00000283 [--S---C] 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 00007fdc7fb7d900 00000000 00000000 GS =0000 ffff8880e548f000 00000000 00000000 LDT=0000 fffffe6b00000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007fffc6590000 CR3=00000000208b8000 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=6720646572637465733a4d41503d706f 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