syzkaller login: [ 46.417757] ------------[ cut here ]------------ [ 46.418678] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 46.420686] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/242 [ 46.422139] Modules linked in: [ 46.422770] CPU: 1 UID: 104 PID: 242 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 46.424767] Tainted: [W]=WARN [ 46.425373] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 46.427074] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 46.428069] 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 [ 46.431282] RSP: 0018:ffff88801882fbc0 EFLAGS: 00010286 [ 46.432255] RAX: 0000000000000000 RBX: ffffed1003105f78 RCX: ffffffff813a4050 [ 46.433525] RDX: ffff8880178f0000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 46.434819] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1003105f2f [ 46.436101] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 46.437398] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801882fdf8 [ 46.438708] FS: 00007fa8a931e900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 46.440137] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 46.441206] CR2: 00007ffcded3fef7 CR3: 000000000e1af000 CR4: 0000000000350ef0 [ 46.442490] Call Trace: [ 46.442974] [ 46.443417] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 46.444317] ? __create_object+0x59/0x80 [ 46.445066] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 46.446030] __vmalloc_noprof+0x59/0x60 [ 46.446784] bpf_prog_alloc_no_stats+0x55/0x470 [ 46.447659] ? __pfx_seccomp_check_filter+0x10/0x10 [ 46.448589] bpf_prog_alloc+0x39/0x200 [ 46.449328] ? __pfx_seccomp_check_filter+0x10/0x10 [ 46.450245] bpf_prog_create_from_user+0xb2/0x2f0 [ 46.451126] do_seccomp+0x349/0x25e0 [ 46.451852] ? find_held_lock+0x2b/0x80 [ 46.452609] ? do_prlimit+0x310/0x610 [ 46.453837] ? __pfx_do_seccomp+0x10/0x10 [ 46.454644] ? do_raw_spin_unlock+0x53/0x220 [ 46.455472] ? _raw_spin_unlock+0x1e/0x40 [ 46.456257] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 46.457227] ? static_key_count+0x60/0x80 [ 46.457990] prctl_set_seccomp+0x4e/0x70 [ 46.458776] __do_sys_prctl+0xe6c/0x1d70 [ 46.459558] ? __pfx___do_sys_prctl+0x10/0x10 [ 46.460405] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 46.461385] ? irqentry_exit+0xf3/0x650 [ 46.462096] do_syscall_64+0xbf/0x430 [ 46.462849] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 46.463784] RIP: 0033:0x7fa8a98105cd [ 46.464488] 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 [ 46.467670] RSP: 002b:00007ffcded3e630 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 46.469004] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fa8a98105cd [ 46.470270] RDX: 00005620bfbd0e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 46.471576] RBP: 00007ffcded3e690 R08: 0000000000000000 R09: 00007ffcded3dd30 [ 46.472848] R10: 0000000000000000 R11: 0000000000000246 R12: 00005620ebfbfad0 [ 46.474122] R13: 00007ffcded3eac0 R14: 00005620ebfc0bc0 R15: 00005620ebfd1780 [ 46.475446] [ 46.475863] irq event stamp: 1781 [ 46.476514] hardirqs last enabled at (1791): [] __up_console_sem+0x78/0x80 [ 46.478035] hardirqs last disabled at (1800): [] __up_console_sem+0x5d/0x80 [ 46.479557] softirqs last enabled at (1334): [] handle_softirqs+0x50c/0x770 [ 46.481234] softirqs last disabled at (1819): [] __irq_exit_rcu+0xc4/0x100 [ 46.482848] ---[ end trace 0000000000000000 ]--- [ 49.773978] ------------[ cut here ]------------ [ 49.774910] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 49.776873] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/250 [ 49.778303] Modules linked in: [ 49.778907] CPU: 0 UID: 104 PID: 250 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 49.781078] Tainted: [W]=WARN [ 49.781733] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 49.783195] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 49.784038] 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 [ 49.787203] RSP: 0018:ffff888018a0fbc0 EFLAGS: 00010286 [ 49.788255] RAX: 0000000000000000 RBX: ffffed1003141f78 RCX: ffffffff813a4050 [ 49.789608] RDX: ffff88801882d340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 49.791010] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1003141f2f [ 49.792366] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 49.793714] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888018a0fdf8 [ 49.795078] FS: 00007fc6fe566900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 49.796618] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 49.797759] CR2: 00007fc6fea58580 CR3: 000000000b9ce000 CR4: 0000000000350ef0 [ 49.799178] Call Trace: [ 49.799679] [ 49.800118] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 49.801092] ? __create_object+0x59/0x80 [ 49.801935] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 49.802976] __vmalloc_noprof+0x59/0x60 [ 49.803794] bpf_prog_alloc_no_stats+0x55/0x470 [ 49.804731] ? __pfx_seccomp_check_filter+0x10/0x10 [ 49.805729] bpf_prog_alloc+0x39/0x200 [ 49.806523] ? __pfx_seccomp_check_filter+0x10/0x10 [ 49.807539] bpf_prog_create_from_user+0xb2/0x2f0 [ 49.808509] do_seccomp+0x349/0x25e0 [ 49.809276] ? __pfx_css_rstat_updated+0x10/0x10 [ 49.810240] ? __pfx_do_seccomp+0x10/0x10 [ 49.811052] ? find_held_lock+0x2b/0x80 [ 49.811870] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 49.812909] ? static_key_count+0x60/0x80 [ 49.813769] prctl_set_seccomp+0x4e/0x70 [ 49.814610] __do_sys_prctl+0xe6c/0x1d70 [ 49.815458] ? __pfx___do_sys_prctl+0x10/0x10 [ 49.816384] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 49.817424] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 49.818467] ? irqentry_exit+0xf3/0x650 [ 49.819314] do_syscall_64+0xbf/0x430 [ 49.820057] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 49.821077] RIP: 0033:0x7fc6fea585cd [ 49.821831] 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 [ 49.825244] RSP: 002b:00007ffff9d86e40 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 49.826730] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fc6fea585cd [ 49.828106] RDX: 000055a8171a1e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 49.829482] RBP: 00007ffff9d86ea0 R08: 0000000000000000 R09: 00007ffff9d86540 [ 49.830869] R10: 0000000000000000 R11: 0000000000000246 R12: 000055a8250c6bf0 [ 49.832248] R13: 00007ffff9d872d0 R14: 000055a8250d0380 R15: 000055a8250db460 [ 49.833644] [ 49.834101] irq event stamp: 1785 [ 49.834812] hardirqs last enabled at (1795): [] __up_console_sem+0x78/0x80 [ 49.836444] hardirqs last disabled at (1804): [] __up_console_sem+0x5d/0x80 [ 49.838081] softirqs last enabled at (1670): [] handle_softirqs+0x50c/0x770 [ 49.839741] softirqs last disabled at (1665): [] __irq_exit_rcu+0xc4/0x100 [ 49.841107] ---[ end trace 0000000000000000 ]--- [ 50.605704] ------------[ cut here ]------------ [ 50.606636] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 50.608626] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/257 [ 50.610052] Modules linked in: [ 50.610688] CPU: 0 UID: 104 PID: 257 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 50.612631] Tainted: [W]=WARN [ 50.613221] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 50.614667] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 50.615569] 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 [ 50.618674] RSP: 0018:ffff888017617bc0 EFLAGS: 00010286 [ 50.619633] RAX: 0000000000000000 RBX: ffffed1002ec2f78 RCX: ffffffff813a4050 [ 50.620894] RDX: ffff888016e89bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 50.622142] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002ec2f2f [ 50.623420] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000400dc0 [ 50.624686] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888017617df8 [ 50.625974] FS: 00007fa7fa126900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 50.627452] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.628508] CR2: 00007fa7fa618580 CR3: 000000000cb93000 CR4: 0000000000350ef0 [ 50.629798] Call Trace: [ 50.630299] [ 50.630725] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 50.631608] ? __create_object+0x59/0x80 [ 50.632381] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 50.633359] __vmalloc_noprof+0x59/0x60 [ 50.634076] bpf_prog_alloc_no_stats+0x55/0x470 [ 50.634958] ? __pfx_seccomp_check_filter+0x10/0x10 [ 50.635902] bpf_prog_alloc+0x39/0x200 [ 50.636643] ? __pfx_seccomp_check_filter+0x10/0x10 [ 50.637562] bpf_prog_create_from_user+0xb2/0x2f0 [ 50.638456] do_seccomp+0x349/0x25e0 [ 50.639201] ? __pfx_css_rstat_updated+0x10/0x10 [ 50.640077] ? __pfx_do_seccomp+0x10/0x10 [ 50.640932] ? find_held_lock+0x2b/0x80 [ 50.641691] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 50.642660] ? static_key_count+0x60/0x80 [ 50.643480] prctl_set_seccomp+0x4e/0x70 [ 50.644248] __do_sys_prctl+0xe6c/0x1d70 [ 50.644996] ? __pfx___do_sys_prctl+0x10/0x10 [ 50.645851] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 50.646836] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 50.647812] ? irqentry_exit+0xf3/0x650 [ 50.648574] do_syscall_64+0xbf/0x430 [ 50.649320] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 50.650273] RIP: 0033:0x7fa7fa6185cd [ 50.650954] 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 [ 50.654098] RSP: 002b:00007ffe25931ab0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 50.655460] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fa7fa6185cd [ 50.656372] RDX: 000055f60ebfde00 RSI: 0000000000000002 RDI: 0000000000000016 [ 50.657177] RBP: 00007ffe25931b10 R08: 0000000000000000 R09: 00007ffe259311b0 [ 50.657962] R10: 0000000000000000 R11: 0000000000000246 R12: 000055f646365b10 [ 50.658786] R13: 00007ffe25931f40 R14: 000055f6463662b0 R15: 000055f64637a6f0 [ 50.659611] [ 50.659881] irq event stamp: 1791 [ 50.660289] hardirqs last enabled at (1801): [] __up_console_sem+0x78/0x80 [ 50.661252] hardirqs last disabled at (1816): [] __up_console_sem+0x5d/0x80 [ 50.662211] softirqs last enabled at (1814): [] handle_softirqs+0x50c/0x770 [ 50.663195] softirqs last disabled at (1809): [] __irq_exit_rcu+0xc4/0x100 [ 50.664123] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:26809' (ECDSA) to the list of known hosts. 2025/11/18 11:26:37 fuzzer started 2025/11/18 11:26:37 dialing manager at localhost:34383 2025/11/18 11:26:37 checking machine... 2025/11/18 11:26:37 checking revisions... [ 51.631912] kmemleak: Automatic memory scanning thread ended 2025/11/18 11:26:37 testing simple program... [ 51.724635] cgroup: Unknown subsys name 'net' [ 51.800547] cgroup: Unknown subsys name 'cpuset' [ 51.818632] cgroup: Unknown subsys name 'rlimit' executing program executing program VM DIAGNOSIS: 11:26:36 Registers: info registers vcpu 0 RAX=ffffffff8135e4a9 RBX=0000000000000001 RCX=0000000000000002 RDX=0000000000000000 RSI=0000000000000000 RDI=ffffffff85e1ffe0 RBP=ffff88801711f728 RSP=ffff88801711f5f0 R8 =0000000000000000 R9 =0000000000000000 R10=000000000003c9ed R11=0000000000006e2e R12=0000000000000000 R13=ffff88801711f718 R14=ffff88801711f718 R15=ffff88801711f6d0 RIP=ffffffff81529218 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 00007fc6fe566900 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe4400000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007fc6fe52b008 CR3=000000000cff6000 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=0000000000000007 RBX=ffffffff869b0b64 RCX=ffffffff84c740ab RDX=0000000000000000 RSI=ffffffff86e88a1a RDI=ffffffff869b0b58 RBP=ffffffff869b0b58 RSP=ffff88806cf089b8 R8 =ffffffff86e88a1a R9 =0000000000000000 R10=000000000003c9ed R11=00000000000c816f R12=ffffffff869b0b70 R13=ffffffff869b0b58 R14=ffffffff869b0b58 R15=dffffc0000000000 RIP=ffffffff8135dabc 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 ffff8880e548f000 00000000 00000000 LDT=0000 fffffe2300000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007ffe23ce1e18 CR3=000000000e83c000 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=2036333a36323a313120383120766f4e XMM01=73732878696e755f6d6170203a5d3934 XMM02=65736f6c63206e6f6973736573203a29 XMM03=755f6d6170203a5d3934325b64687373 XMM04=69662068637573206f4e203a656c6163 XMM05=3a656c696620766e65206e65706f206f XMM06=65733a6468737328766e655f6d617020 XMM07=6b7a79732036333a36323a3131203831 XMM08=30343d7974696c696261706163202279 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000