syzkaller login: [ 46.895696] ------------[ cut here ]------------ [ 46.896226] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 46.897443] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/234 [ 46.898262] Modules linked in: [ 46.898647] CPU: 0 UID: 104 PID: 234 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 46.899866] Tainted: [W]=WARN [ 46.900198] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 46.901069] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 46.901621] 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 [ 46.903515] RSP: 0018:ffff888015cb7bc0 EFLAGS: 00010286 [ 46.904055] RAX: 0000000000000000 RBX: ffffed1002b96f78 RCX: ffffffff813a4050 [ 46.904837] RDX: ffff88800b385340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 46.905595] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002b96f2f [ 46.906320] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 46.907093] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888015cb7df8 [ 46.907876] FS: 00007f4d4583e900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 46.908756] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 46.909354] CR2: 00007fff51417ef7 CR3: 000000000e161000 CR4: 0000000000350ef0 [ 46.910117] Call Trace: [ 46.910414] [ 46.910661] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 46.911163] ? __create_object+0x59/0x80 [ 46.911641] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 46.912200] __vmalloc_noprof+0x59/0x60 [ 46.912663] bpf_prog_alloc_no_stats+0x55/0x470 [ 46.913157] ? __pfx_seccomp_check_filter+0x10/0x10 [ 46.913731] bpf_prog_alloc+0x39/0x200 [ 46.914140] ? __pfx_seccomp_check_filter+0x10/0x10 [ 46.914690] bpf_prog_create_from_user+0xb2/0x2f0 [ 46.915193] do_seccomp+0x349/0x25e0 [ 46.915614] ? find_held_lock+0x2b/0x80 [ 46.916033] ? do_prlimit+0x310/0x610 [ 46.916490] ? __pfx_do_seccomp+0x10/0x10 [ 46.916936] ? do_raw_spin_unlock+0x53/0x220 [ 46.917433] ? _raw_spin_unlock+0x1e/0x40 [ 46.917880] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 46.918455] ? static_key_count+0x60/0x80 [ 46.918900] prctl_set_seccomp+0x4e/0x70 [ 46.919324] __do_sys_prctl+0xe6c/0x1d70 [ 46.919796] ? __pfx___do_sys_prctl+0x10/0x10 [ 46.920276] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 46.920852] ? irqentry_exit+0xf3/0x650 [ 46.921274] do_syscall_64+0xbf/0x430 [ 46.921726] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 46.922252] RIP: 0033:0x7f4d45d305cd [ 46.922678] 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 [ 46.924662] RSP: 002b:00007fff51416180 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 46.925655] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f4d45d305cd [ 46.926547] RDX: 000055cea77cfe00 RSI: 0000000000000002 RDI: 0000000000000016 [ 46.927452] RBP: 00007fff514161e0 R08: 0000000000000000 R09: 00007fff51415880 [ 46.928253] R10: 0000000000000000 R11: 0000000000000246 R12: 000055ceb92c5ad0 [ 46.929084] R13: 00007fff51416610 R14: 000055ceb92c6bc0 R15: 000055ceb92d7780 [ 46.929862] [ 46.930110] irq event stamp: 1777 [ 46.930496] hardirqs last enabled at (1787): [] __up_console_sem+0x78/0x80 [ 46.931362] hardirqs last disabled at (1794): [] __up_console_sem+0x5d/0x80 [ 46.932263] softirqs last enabled at (1322): [] handle_softirqs+0x50c/0x770 [ 46.933181] softirqs last disabled at (1311): [] __irq_exit_rcu+0xc4/0x100 [ 46.934078] ---[ end trace 0000000000000000 ]--- [ 50.364726] ------------[ cut here ]------------ [ 50.365673] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 50.367652] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/241 [ 50.369117] Modules linked in: [ 50.369757] CPU: 0 UID: 104 PID: 241 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 50.371738] Tainted: [W]=WARN [ 50.372314] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 50.373792] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 50.374706] 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 [ 50.377865] RSP: 0018:ffff88800f10fbc0 EFLAGS: 00010286 [ 50.378845] RAX: 0000000000000000 RBX: ffffed1001e21f78 RCX: ffffffff813a4050 [ 50.380132] RDX: ffff888015c03780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 50.381444] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1001e21f2f [ 50.382724] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 50.384027] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88800f10fdf8 [ 50.385340] FS: 00007f8bddfbd900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 50.386813] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.387879] CR2: 00007ffd433efef7 CR3: 000000000c2d0000 CR4: 0000000000350ef0 [ 50.389194] Call Trace: [ 50.389706] [ 50.390118] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 50.391033] ? __create_object+0x59/0x80 [ 50.391822] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 50.392810] __vmalloc_noprof+0x59/0x60 [ 50.393580] bpf_prog_alloc_no_stats+0x55/0x470 [ 50.394455] ? __pfx_seccomp_check_filter+0x10/0x10 [ 50.395343] bpf_prog_alloc+0x39/0x200 [ 50.396086] ? __pfx_seccomp_check_filter+0x10/0x10 [ 50.397020] bpf_prog_create_from_user+0xb2/0x2f0 [ 50.397931] do_seccomp+0x349/0x25e0 [ 50.398650] ? find_held_lock+0x2b/0x80 [ 50.399365] ? do_prlimit+0x310/0x610 [ 50.400123] ? __pfx_do_seccomp+0x10/0x10 [ 50.400921] ? do_raw_spin_unlock+0x53/0x220 [ 50.401758] ? _raw_spin_unlock+0x1e/0x40 [ 50.402545] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 50.403527] ? static_key_count+0x60/0x80 [ 50.404311] prctl_set_seccomp+0x4e/0x70 [ 50.405096] __do_sys_prctl+0xe6c/0x1d70 [ 50.405901] ? __pfx___do_sys_prctl+0x10/0x10 [ 50.406765] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 50.407740] ? irqentry_exit+0xf3/0x650 [ 50.408520] do_syscall_64+0xbf/0x430 [ 50.409210] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 50.410163] RIP: 0033:0x7f8bde4af5cd [ 50.410874] 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 [ 50.414062] RSP: 002b:00007ffd433ee330 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 50.415439] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f8bde4af5cd [ 50.416752] RDX: 0000563a691b0e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 50.418041] RBP: 00007ffd433ee390 R08: 0000000000000000 R09: 00007ffd433eda30 [ 50.419353] R10: 0000000000000000 R11: 0000000000000246 R12: 0000563a6ad15bf0 [ 50.420675] R13: 00007ffd433ee7c0 R14: 0000563a6ad1f380 R15: 0000563a6ad2a460 [ 50.421996] [ 50.422465] irq event stamp: 1739 [ 50.423072] hardirqs last enabled at (1747): [] __up_console_sem+0x78/0x80 [ 50.424609] hardirqs last disabled at (1756): [] __up_console_sem+0x5d/0x80 [ 50.426122] softirqs last enabled at (1726): [] handle_softirqs+0x50c/0x770 [ 50.427671] softirqs last disabled at (1721): [] __irq_exit_rcu+0xc4/0x100 [ 50.429208] ---[ end trace 0000000000000000 ]--- [ 51.215625] ------------[ cut here ]------------ [ 51.216359] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 51.218019] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/248 [ 51.219187] Modules linked in: [ 51.219699] CPU: 1 UID: 104 PID: 248 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 51.221285] Tainted: [W]=WARN [ 51.221750] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 51.222921] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 51.223854] 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 [ 51.226464] RSP: 0018:ffff8880167efbc0 EFLAGS: 00010286 [ 51.227210] RAX: 0000000000000000 RBX: ffffed1002cfdf78 RCX: ffffffff813a4050 [ 51.228253] RDX: ffff8880167fd340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 51.229281] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002cfdf2f [ 51.230320] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 51.231354] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff8880167efdf8 [ 51.232421] FS: 00007f8876db0900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 51.233580] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 51.234419] CR2: 00007ffcba830ef7 CR3: 000000000c0f7000 CR4: 0000000000350ef0 [ 51.235448] Call Trace: [ 51.235817] [ 51.236151] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 51.236881] ? __create_object+0x59/0x80 [ 51.237503] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 51.238242] __vmalloc_noprof+0x59/0x60 [ 51.238856] bpf_prog_alloc_no_stats+0x55/0x470 [ 51.239555] ? __pfx_seccomp_check_filter+0x10/0x10 [ 51.240267] bpf_prog_alloc+0x39/0x200 [ 51.240860] ? __pfx_seccomp_check_filter+0x10/0x10 [ 51.241599] bpf_prog_create_from_user+0xb2/0x2f0 [ 51.242283] do_seccomp+0x349/0x25e0 [ 51.242861] ? find_held_lock+0x2b/0x80 [ 51.243472] ? do_prlimit+0x310/0x610 [ 51.244034] ? __pfx_do_seccomp+0x10/0x10 [ 51.244669] ? do_raw_spin_unlock+0x53/0x220 [ 51.245295] ? _raw_spin_unlock+0x1e/0x40 [ 51.245924] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 51.246699] ? static_key_count+0x60/0x80 [ 51.247300] prctl_set_seccomp+0x4e/0x70 [ 51.247916] __do_sys_prctl+0xe6c/0x1d70 [ 51.248541] ? __pfx___do_sys_prctl+0x10/0x10 [ 51.249186] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 51.249954] ? irqentry_exit+0xf3/0x650 [ 51.250567] do_syscall_64+0xbf/0x430 [ 51.251122] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 51.251874] RIP: 0033:0x7f88772a25cd [ 51.252442] 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 [ 51.254965] RSP: 002b:00007ffcba82ebe0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 51.256075] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f88772a25cd [ 51.257104] RDX: 000055a58b52ae00 RSI: 0000000000000002 RDI: 0000000000000016 [ 51.258127] RBP: 00007ffcba82ec40 R08: 0000000000000000 R09: 00007ffcba82e2e0 [ 51.259146] R10: 0000000000000000 R11: 0000000000000246 R12: 000055a5af123ad0 [ 51.260162] R13: 00007ffcba82f070 R14: 000055a5af124bc0 R15: 000055a5af135780 [ 51.261213] [ 51.261577] irq event stamp: 1747 [ 51.262059] hardirqs last enabled at (1755): [] __up_console_sem+0x78/0x80 [ 51.263282] hardirqs last disabled at (1764): [] __up_console_sem+0x5d/0x80 [ 51.264502] softirqs last enabled at (1312): [] handle_softirqs+0x50c/0x770 [ 51.265735] softirqs last disabled at (1291): [] __irq_exit_rcu+0xc4/0x100 [ 51.266948] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:55480' (ECDSA) to the list of known hosts. 2025/11/19 07:52:32 fuzzer started 2025/11/19 07:52:33 dialing manager at localhost:34383 2025/11/19 07:52:33 checking machine... 2025/11/19 07:52:33 checking revisions... [ 52.158018] kmemleak: Automatic memory scanning thread ended 2025/11/19 07:52:33 testing simple program... [ 52.244753] cgroup: Unknown subsys name 'net' [ 52.302736] cgroup: Unknown subsys name 'cpuset' [ 52.317260] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program VM DIAGNOSIS: 07:52:32 Registers: info registers vcpu 0 RAX=0000000000000000 RBX=ffff888009611bc0 RCX=0000000000000000 RDX=0000000000000001 RSI=0000000000000020 RDI=0000000000000002 RBP=ffff888009612618 RSP=ffff888009627990 R8 =0000000000000000 R9 =0000000000000005 R10=0000000000000001 R11=0000000000000000 R12=ffff888009612668 R13=0000000000000000 R14=0000000000000000 R15=0000000000000000 RIP=ffffffff815271ac RFL=00000046 [---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 fffffe4400000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f8bde574618 CR3=000000001ec7f000 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=6e69676f6c5f6d61702c78756e696c65 XMM02=755f6d61702c74696d7265705f6d6170 XMM03=2c766e655f6d61702c7374696d696c5f XMM04=6d61702c766e655f6d61702c7374696d XMM05=78696e755f6d61702c74696d7265705f XMM06=6469756e69676f6c5f6d61702c78756e XMM07=672065736f6c635f6e6f69737365733a XMM08=61662029286e65706f5f746964756100 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=000000000002f053 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 fffffe7400000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f75206c73c8 CR3=000000000d72f000 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=7c67149fb9b729bab44fda17e922e29e XMM02=2c67c8bc2e329bc30000000000305670 XMM03=fb795ef6d65770560000000000310630 XMM04=ab71f84c10fd0bed00000000000ae988 XMM05=d54e1d30fcb25ad700000000003216b0 XMM06=474038aa6c007e1f00000000003203e0 XMM07=e042d86d42eb936e0000000000310908 XMM08=6c85a495a18473f800000000003056d0 XMM09=00000000000000000000000000000000 XMM10=20200000000020202020202020200000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000