syzkaller login: [ 46.836997] ------------[ cut here ]------------ [ 46.837782] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 46.839594] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/234 [ 46.840824] Modules linked in: [ 46.841312] CPU: 1 UID: 104 PID: 234 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 46.842951] Tainted: [W]=WARN [ 46.843410] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 46.844633] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 46.845389] Code: e0 ad 11 00 81 e6 1f 52 ee ff 89 4c 24 40 89 74 24 30 90 48 c7 c7 00 38 f1 84 4c 8d 44 24 40 48 8d 54 24 30 e8 a0 7c 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 [ 46.848030] RSP: 0018:ffff888010dafbc0 EFLAGS: 00010286 [ 46.848848] RAX: 0000000000000000 RBX: ffffed10021b5f78 RCX: ffffffff813a4050 [ 46.849921] RDX: ffff8880146b0000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 46.850993] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed10021b5f2f [ 46.852077] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 46.853155] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888010dafdf8 [ 46.854232] FS: 00007f0af5677900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 46.855444] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 46.856346] CR2: 00007ffec3099ef7 CR3: 000000000df39000 CR4: 0000000000350ef0 [ 46.857436] Call Trace: [ 46.857853] [ 46.858194] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 46.858937] ? __create_object+0x59/0x80 [ 46.859559] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 46.860382] __vmalloc_noprof+0x59/0x60 [ 46.861021] bpf_prog_alloc_no_stats+0x55/0x470 [ 46.861713] ? __pfx_seccomp_check_filter+0x10/0x10 [ 46.862495] bpf_prog_alloc+0x39/0x200 [ 46.863116] ? __pfx_seccomp_check_filter+0x10/0x10 [ 46.863882] bpf_prog_create_from_user+0xb2/0x2f0 [ 46.864611] do_seccomp+0x349/0x25e0 [ 46.865229] ? find_held_lock+0x2b/0x80 [ 46.865856] ? do_prlimit+0x310/0x610 [ 46.866438] ? __pfx_do_seccomp+0x10/0x10 [ 46.867089] ? do_raw_spin_unlock+0x53/0x220 [ 46.867779] ? _raw_spin_unlock+0x1e/0x40 [ 46.868406] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 46.869206] ? static_key_count+0x60/0x80 [ 46.869873] prctl_set_seccomp+0x4e/0x70 [ 46.870482] __do_sys_prctl+0xe6c/0x1d70 [ 46.871131] ? __pfx___do_sys_prctl+0x10/0x10 [ 46.871846] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 46.872626] ? irqentry_exit+0xf3/0x650 [ 46.873265] do_syscall_64+0xbf/0x430 [ 46.873881] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 46.874633] RIP: 0033:0x7f0af5b695cd [ 46.875221] 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 [ 46.877878] RSP: 002b:00007ffec3097eb0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 46.879016] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f0af5b695cd [ 46.880104] RDX: 000056247921ae00 RSI: 0000000000000002 RDI: 0000000000000016 [ 46.881180] RBP: 00007ffec3097f10 R08: 0000000000000000 R09: 00007ffec30975b0 [ 46.882247] R10: 0000000000000000 R11: 0000000000000246 R12: 00005624a6b94ad0 [ 46.883318] R13: 00007ffec3098340 R14: 00005624a6b95bc0 R15: 00005624a6ba6780 [ 46.884413] [ 46.884812] irq event stamp: 1793 [ 46.885318] hardirqs last enabled at (1801): [] __up_console_sem+0x78/0x80 [ 46.886593] hardirqs last disabled at (1816): [] __up_console_sem+0x5d/0x80 [ 46.887862] softirqs last enabled at (1814): [] handle_softirqs+0x50c/0x770 [ 46.889169] softirqs last disabled at (1809): [] __irq_exit_rcu+0xc4/0x100 [ 46.890429] ---[ end trace 0000000000000000 ]--- [ 49.617456] ------------[ cut here ]------------ [ 49.618228] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 49.619889] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/241 [ 49.621099] Modules linked in: [ 49.621597] CPU: 1 UID: 104 PID: 241 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 49.623241] Tainted: [W]=WARN [ 49.623702] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 49.624924] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 49.625644] Code: e0 ad 11 00 81 e6 1f 52 ee ff 89 4c 24 40 89 74 24 30 90 48 c7 c7 00 38 f1 84 4c 8d 44 24 40 48 8d 54 24 30 e8 a0 7c 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 [ 49.628284] RSP: 0018:ffff8880184dfbc0 EFLAGS: 00010286 [ 49.629103] RAX: 0000000000000000 RBX: ffffed100309bf78 RCX: ffffffff813a4050 [ 49.630162] RDX: ffff88800a2f3780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 49.631230] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed100309bf2f [ 49.632316] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000400dc0 [ 49.633377] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff8880184dfdf8 [ 49.634447] FS: 00007f4499c4e900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 49.635644] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 49.636530] CR2: 00007ffcee0feef7 CR3: 000000001f7eb000 CR4: 0000000000350ef0 [ 49.637595] Call Trace: [ 49.638006] [ 49.638345] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 49.639089] ? __create_object+0x59/0x80 [ 49.639704] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 49.640522] __vmalloc_noprof+0x59/0x60 [ 49.641202] bpf_prog_alloc_no_stats+0x55/0x470 [ 49.641931] ? __pfx_seccomp_check_filter+0x10/0x10 [ 49.642671] bpf_prog_alloc+0x39/0x200 [ 49.643283] ? __pfx_seccomp_check_filter+0x10/0x10 [ 49.644062] bpf_prog_create_from_user+0xb2/0x2f0 [ 49.644824] do_seccomp+0x349/0x25e0 [ 49.645386] ? find_held_lock+0x2b/0x80 [ 49.646020] ? do_prlimit+0x310/0x610 [ 49.646601] ? __pfx_do_seccomp+0x10/0x10 [ 49.647260] ? do_raw_spin_unlock+0x53/0x220 [ 49.647942] ? _raw_spin_unlock+0x1e/0x40 [ 49.648565] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 49.649368] ? static_key_count+0x60/0x80 [ 49.650024] prctl_set_seccomp+0x4e/0x70 [ 49.650628] __do_sys_prctl+0xe6c/0x1d70 [ 49.651279] ? __pfx___do_sys_prctl+0x10/0x10 [ 49.652003] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 49.652799] ? irqentry_exit+0xf3/0x650 [ 49.653399] do_syscall_64+0xbf/0x430 [ 49.654014] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 49.654798] RIP: 0033:0x7f449a1405cd [ 49.655340] 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 [ 49.657974] RSP: 002b:00007ffcee0fde10 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 49.659110] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f449a1405cd [ 49.660175] RDX: 000056464f6e4e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 49.661227] RBP: 00007ffcee0fde70 R08: 0000000000000000 R09: 00007ffcee0fd510 [ 49.662291] R10: 0000000000000000 R11: 0000000000000246 R12: 0000564663d38240 [ 49.663360] R13: 00007ffcee0fe2a0 R14: 0000564663d41380 R15: 0000564663d4c540 [ 49.664449] [ 49.664842] irq event stamp: 1713 [ 49.665342] hardirqs last enabled at (1721): [] __up_console_sem+0x78/0x80 [ 49.666611] hardirqs last disabled at (1730): [] __up_console_sem+0x5d/0x80 [ 49.667877] softirqs last enabled at (1710): [] handle_softirqs+0x50c/0x770 [ 49.669165] softirqs last disabled at (1701): [] __irq_exit_rcu+0xc4/0x100 [ 49.670424] ---[ end trace 0000000000000000 ]--- [ 50.477846] ------------[ cut here ]------------ [ 50.478721] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 50.480894] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/248 [ 50.482320] Modules linked in: [ 50.482952] CPU: 0 UID: 104 PID: 248 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 50.484941] Tainted: [W]=WARN [ 50.485497] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 50.486973] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 50.487878] Code: e0 ad 11 00 81 e6 1f 52 ee ff 89 4c 24 40 89 74 24 30 90 48 c7 c7 00 38 f1 84 4c 8d 44 24 40 48 8d 54 24 30 e8 a0 7c 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 [ 50.491052] RSP: 0018:ffff88800f4c7bc0 EFLAGS: 00010286 [ 50.492035] RAX: 0000000000000000 RBX: ffffed1001e98f78 RCX: ffffffff813a4050 [ 50.493309] RDX: ffff888016453780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 50.494599] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1001e98f2f [ 50.495884] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 50.497182] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88800f4c7df8 [ 50.498487] FS: 00007f174321c900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 50.499908] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.500988] CR2: 00007ffc39576ef7 CR3: 000000000cd91000 CR4: 0000000000350ef0 [ 50.502261] Call Trace: [ 50.502770] [ 50.503182] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 50.504099] ? __create_object+0x59/0x80 [ 50.504880] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 50.505867] __vmalloc_noprof+0x59/0x60 [ 50.506589] bpf_prog_alloc_no_stats+0x55/0x470 [ 50.507465] ? __pfx_seccomp_check_filter+0x10/0x10 [ 50.508417] bpf_prog_alloc+0x39/0x200 [ 50.509166] ? __pfx_seccomp_check_filter+0x10/0x10 [ 50.510108] bpf_prog_create_from_user+0xb2/0x2f0 [ 50.511017] do_seccomp+0x349/0x25e0 [ 50.511691] ? find_held_lock+0x2b/0x80 [ 50.512459] ? do_prlimit+0x310/0x610 [ 50.513207] ? __pfx_do_seccomp+0x10/0x10 [ 50.513988] ? do_raw_spin_unlock+0x53/0x220 [ 50.514820] ? _raw_spin_unlock+0x1e/0x40 [ 50.515567] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 50.516532] ? static_key_count+0x60/0x80 [ 50.517330] prctl_set_seccomp+0x4e/0x70 [ 50.518100] __do_sys_prctl+0xe6c/0x1d70 [ 50.518886] ? __pfx___do_sys_prctl+0x10/0x10 [ 50.519704] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 50.520695] ? irqentry_exit+0xf3/0x650 [ 50.521460] do_syscall_64+0xbf/0x430 [ 50.522201] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 50.523153] RIP: 0033:0x7f174370e5cd [ 50.523874] 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 [ 50.527015] RSP: 002b:00007ffc395744e0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 50.528381] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f174370e5cd [ 50.529666] RDX: 0000558c13cd2e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 50.530950] RBP: 00007ffc39574540 R08: 0000000000000000 R09: 00007ffc39573be0 [ 50.532234] R10: 0000000000000000 R11: 0000000000000246 R12: 0000558c3e61dbf0 [ 50.533542] R13: 00007ffc39574970 R14: 0000558c3e627380 R15: 0000558c3e632460 [ 50.534844] [ 50.535262] irq event stamp: 1719 [ 50.535918] hardirqs last enabled at (1729): [] __up_console_sem+0x78/0x80 [ 50.537447] hardirqs last disabled at (1738): [] __up_console_sem+0x5d/0x80 [ 50.538954] softirqs last enabled at (1698): [] handle_softirqs+0x50c/0x770 [ 50.540490] softirqs last disabled at (1693): [] __irq_exit_rcu+0xc4/0x100 [ 50.542004] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:2014' (ECDSA) to the list of known hosts. 2025/11/17 14:08:57 fuzzer started 2025/11/17 14:08:57 dialing manager at localhost:37895 2025/11/17 14:08:57 checking machine... 2025/11/17 14:08:57 checking revisions... [ 51.440602] kmemleak: Automatic memory scanning thread ended 2025/11/17 14:08:57 testing simple program... [ 51.529082] cgroup: Unknown subsys name 'net' [ 51.595340] cgroup: Unknown subsys name 'cpuset' [ 51.609401] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program VM DIAGNOSIS: 14:08:56 Registers: info registers vcpu 0 RAX=0000000000000000 RBX=0000000000000001 RCX=ffffffff86aaed3c RDX=0000000000000000 RSI=0000000000000001 RDI=0000000000000001 RBP=ffff88800f4c7750 RSP=ffff88800f4c7688 R8 =ffffffff86aaed40 R9 =0000000000000000 R10=000000000003c9ed R11=0000000000023cea R12=ffff88800f4c7758 R13=ffff88800f4c7740 R14=0000000000000048 R15=ffff88800f4c76f8 RIP=ffffffff8135e8d1 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 00007f4499c4e900 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe1600000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007ffcee0f7000 CR3=000000001f7d8000 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 info registers vcpu 1 RAX=ffffffff87b21a48 RBX=ffff888015c39bc0 RCX=09aacfbb0a66922b RDX=000000002d82cdb7 RSI=00000000d18614c9 RDI=ffff888015c3a618 RBP=ffff888015c3a618 RSP=ffff888015d07bb8 R8 =0000000000000000 R9 =0000000000000000 R10=0000000000000001 R11=0000000000000001 R12=ffff888015c3a618 R13=00000000000058d8 R14=0000000000000000 R15=09aacfbb0a66922b RIP=ffffffff81527b66 RFL=00000017 [----APC] 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 00007fc04c3b5900 00000000 00000000 GS =0000 ffff8880e548f000 00000000 00000000 LDT=0000 fffffe0b00000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007fc04bacc018 CR3=000000000e0e8000 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=7e8ddc5793a2a4a20b41604f3d92d995 XMM02=0000000000303d98ec2efd57dc4c00df XMM03=000000000030f3409e5cd91948a8a3fe XMM04=b72c8690693a4c9100000000000ae988 XMM05=d96330e2d2db8632000000000031f080 XMM06=474038aa6c007e1f000000000031ef08 XMM07=e042d86d42eb936e000000000030f618 XMM08=9e5cd91948a8a3fe0000000000303df8 XMM09=00000000000000000000000000000000 XMM10=20200000000020202020202020200000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000