syzkaller login: [ 46.409669] ------------[ cut here ]------------ [ 46.410570] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 46.412579] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/235 [ 46.414027] Modules linked in: [ 46.414642] CPU: 1 UID: 104 PID: 235 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 46.418043] Tainted: [W]=WARN [ 46.418737] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 46.420188] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 46.421157] 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 [ 46.424326] RSP: 0018:ffff88800e037bc0 EFLAGS: 00010286 [ 46.425313] RAX: 0000000000000000 RBX: ffffed1001c06f78 RCX: ffffffff813a4050 [ 46.426614] RDX: ffff88801676d340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 46.427890] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1001c06f2f [ 46.429176] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 46.430486] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88800e037df8 [ 46.431761] FS: 00007fbda92a8900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 46.433206] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 46.434251] CR2: 00007ffe72c9fef7 CR3: 0000000009f7a000 CR4: 0000000000350ef0 [ 46.435522] Call Trace: [ 46.435976] [ 46.436385] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 46.437297] ? __create_object+0x59/0x80 [ 46.438062] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 46.439028] __vmalloc_noprof+0x59/0x60 [ 46.439784] bpf_prog_alloc_no_stats+0x55/0x470 [ 46.440651] ? __pfx_seccomp_check_filter+0x10/0x10 [ 46.441600] bpf_prog_alloc+0x39/0x200 [ 46.442290] ? __pfx_seccomp_check_filter+0x10/0x10 [ 46.443208] bpf_prog_create_from_user+0xb2/0x2f0 [ 46.444097] do_seccomp+0x349/0x25e0 [ 46.444796] ? find_held_lock+0x2b/0x80 [ 46.445558] ? do_prlimit+0x310/0x610 [ 46.446250] ? __pfx_do_seccomp+0x10/0x10 [ 46.447031] ? do_raw_spin_unlock+0x53/0x220 [ 46.447861] ? _raw_spin_unlock+0x1e/0x40 [ 46.448649] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 46.449627] ? static_key_count+0x60/0x80 [ 46.450377] prctl_set_seccomp+0x4e/0x70 [ 46.451147] __do_sys_prctl+0xe6c/0x1d70 [ 46.451928] ? __pfx___do_sys_prctl+0x10/0x10 [ 46.452789] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 46.453768] ? irqentry_exit+0xf3/0x650 [ 46.454533] do_syscall_64+0xbf/0x430 [ 46.455227] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 46.456168] RIP: 0033:0x7fbda979a5cd [ 46.456870] 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 [ 46.460040] RSP: 002b:00007ffe72c9dc80 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 46.461411] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fbda979a5cd [ 46.462672] RDX: 00005650466fce00 RSI: 0000000000000002 RDI: 0000000000000016 [ 46.463955] RBP: 00007ffe72c9dce0 R08: 0000000000000000 R09: 00007ffe72c9d380 [ 46.465254] R10: 0000000000000000 R11: 0000000000000246 R12: 0000565065fbe240 [ 46.466522] R13: 00007ffe72c9e110 R14: 0000565065fc7380 R15: 0000565065fd2540 [ 46.467804] [ 46.468241] irq event stamp: 2107 [ 46.468907] hardirqs last enabled at (2117): [] __up_console_sem+0x78/0x80 [ 46.470422] hardirqs last disabled at (2126): [] __up_console_sem+0x5d/0x80 [ 46.471952] softirqs last enabled at (2086): [] handle_softirqs+0x50c/0x770 [ 46.473511] softirqs last disabled at (2071): [] __irq_exit_rcu+0xc4/0x100 [ 46.475018] ---[ end trace 0000000000000000 ]--- [ 49.709703] ------------[ cut here ]------------ [ 49.710675] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 49.712691] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/242 [ 49.714210] Modules linked in: [ 49.714860] CPU: 1 UID: 104 PID: 242 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 49.716880] Tainted: [W]=WARN [ 49.717453] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 49.718991] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 49.719924] 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 [ 49.723152] RSP: 0018:ffff88801695fbc0 EFLAGS: 00010286 [ 49.724154] RAX: 0000000000000000 RBX: ffffed1002d2bf78 RCX: ffffffff813a4050 [ 49.725490] RDX: ffff888014f15340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 49.726794] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002d2bf2f [ 49.728103] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 49.729411] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801695fdf8 [ 49.730722] FS: 00007f47fa9ef900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 49.732156] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 49.733219] CR2: 00007fffc5c66ef7 CR3: 000000000b75a000 CR4: 0000000000350ef0 [ 49.734521] Call Trace: [ 49.734991] [ 49.735403] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 49.736314] ? __create_object+0x59/0x80 [ 49.737114] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 49.738087] __vmalloc_noprof+0x59/0x60 [ 49.738860] bpf_prog_alloc_no_stats+0x55/0x470 [ 49.739747] ? __pfx_seccomp_check_filter+0x10/0x10 [ 49.740688] bpf_prog_alloc+0x39/0x200 [ 49.741401] ? __pfx_seccomp_check_filter+0x10/0x10 [ 49.742343] bpf_prog_create_from_user+0xb2/0x2f0 [ 49.743270] do_seccomp+0x349/0x25e0 [ 49.744001] ? find_held_lock+0x2b/0x80 [ 49.744755] ? do_prlimit+0x310/0x610 [ 49.745520] ? __pfx_do_seccomp+0x10/0x10 [ 49.746272] ? do_raw_spin_unlock+0x53/0x220 [ 49.747109] ? _raw_spin_unlock+0x1e/0x40 [ 49.747878] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 49.748857] ? static_key_count+0x60/0x80 [ 49.749683] prctl_set_seccomp+0x4e/0x70 [ 49.750423] __do_sys_prctl+0xe6c/0x1d70 [ 49.751224] ? __pfx___do_sys_prctl+0x10/0x10 [ 49.752094] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 49.753094] ? irqentry_exit+0xf3/0x650 [ 49.753872] do_syscall_64+0xbf/0x430 [ 49.754626] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 49.755594] RIP: 0033:0x7f47faee15cd [ 49.756264] 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 [ 49.759489] RSP: 002b:00007fffc5c644d0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 49.760875] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f47faee15cd [ 49.762186] RDX: 0000562c5284be00 RSI: 0000000000000002 RDI: 0000000000000016 [ 49.763502] RBP: 00007fffc5c64530 R08: 0000000000000000 R09: 00007fffc5c63bd0 [ 49.764812] R10: 0000000000000000 R11: 0000000000000246 R12: 0000562c62e27b10 [ 49.766129] R13: 00007fffc5c64960 R14: 0000562c62e282b0 R15: 0000562c62e3c6f0 [ 49.767449] [ 49.767906] irq event stamp: 1809 [ 49.768567] hardirqs last enabled at (1819): [] __up_console_sem+0x78/0x80 [ 49.770120] hardirqs last disabled at (1828): [] __up_console_sem+0x5d/0x80 [ 49.771666] softirqs last enabled at (1766): [] handle_softirqs+0x50c/0x770 [ 49.773241] softirqs last disabled at (1761): [] __irq_exit_rcu+0xc4/0x100 [ 49.774611] ---[ end trace 0000000000000000 ]--- [ 50.497040] ------------[ cut here ]------------ [ 50.497940] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 50.499861] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/250 [ 50.501275] Modules linked in: [ 50.501893] CPU: 1 UID: 104 PID: 250 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 50.503817] Tainted: [W]=WARN [ 50.504359] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 50.505807] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 50.506686] 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 [ 50.509765] RSP: 0018:ffff888017077bc0 EFLAGS: 00010286 [ 50.510712] RAX: 0000000000000000 RBX: ffffed1002e0ef78 RCX: ffffffff813a4050 [ 50.511951] RDX: ffff8880166e1bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 50.513217] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002e0ef2f [ 50.514457] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 50.515717] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888017077df8 [ 50.516953] FS: 00007f19ed490900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 50.518368] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.519387] CR2: 00007f19ed9f64a6 CR3: 000000001e72e000 CR4: 0000000000350ef0 [ 50.520635] Call Trace: [ 50.521097] [ 50.521548] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 50.522383] ? __create_object+0x59/0x80 [ 50.523144] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 50.524074] __vmalloc_noprof+0x59/0x60 [ 50.524816] bpf_prog_alloc_no_stats+0x55/0x470 [ 50.525675] ? __pfx_seccomp_check_filter+0x10/0x10 [ 50.526585] bpf_prog_alloc+0x39/0x200 [ 50.527265] ? __pfx_seccomp_check_filter+0x10/0x10 [ 50.528167] bpf_prog_create_from_user+0xb2/0x2f0 [ 50.529059] do_seccomp+0x349/0x25e0 [ 50.529769] ? find_held_lock+0x2b/0x80 [ 50.530511] ? do_prlimit+0x310/0x610 [ 50.531191] ? __pfx_do_seccomp+0x10/0x10 [ 50.531946] ? do_raw_spin_unlock+0x53/0x220 [ 50.532751] ? _raw_spin_unlock+0x1e/0x40 [ 50.533521] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 50.534410] ? static_key_count+0x60/0x80 [ 50.535185] prctl_set_seccomp+0x4e/0x70 [ 50.535942] __do_sys_prctl+0xe6c/0x1d70 [ 50.536703] ? __pfx___do_sys_prctl+0x10/0x10 [ 50.537575] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 50.538524] ? irqentry_exit+0xf3/0x650 [ 50.539246] do_syscall_64+0xbf/0x430 [ 50.540018] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 50.541021] RIP: 0033:0x7f19ed9825cd [ 50.541781] 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 [ 50.545118] RSP: 002b:00007ffdbb816240 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 50.546567] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f19ed9825cd [ 50.547908] RDX: 00005581c8901e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 50.549291] RBP: 00007ffdbb8162a0 R08: 0000000000000000 R09: 00007ffdbb815940 [ 50.550636] R10: 0000000000000000 R11: 0000000000000246 R12: 00005581f790cad0 [ 50.551974] R13: 00007ffdbb8166d0 R14: 00005581f790dbc0 R15: 00005581f791e780 [ 50.553351] [ 50.553843] irq event stamp: 1685 [ 50.554526] hardirqs last enabled at (1695): [] __up_console_sem+0x78/0x80 [ 50.556119] hardirqs last disabled at (1710): [] __up_console_sem+0x5d/0x80 [ 50.557733] softirqs last enabled at (1708): [] handle_softirqs+0x50c/0x770 [ 50.559120] softirqs last disabled at (1703): [] __irq_exit_rcu+0xc4/0x100 [ 50.560389] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:27075' (ECDSA) to the list of known hosts. 2025/11/18 21:05:14 fuzzer started 2025/11/18 21:05:14 dialing manager at localhost:34383 2025/11/18 21:05:14 checking machine... 2025/11/18 21:05:14 checking revisions... [ 51.471670] kmemleak: Automatic memory scanning thread ended 2025/11/18 21:05:14 testing simple program... [ 51.555748] cgroup: Unknown subsys name 'net' [ 51.617659] cgroup: Unknown subsys name 'cpuset' [ 51.633549] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program VM DIAGNOSIS: 21:05:13 Registers: info registers vcpu 0 RAX=ffffffff81b2a224 RBX=0000000000000001 RCX=ffff888009627794 RDX=ffff888009627888 RSI=ffffffff81b2a224 RDI=ffff888009627840 RBP=ffff888009627898 RSP=ffff8880096277d0 R8 =ffffffff86a49dd0 R9 =ffff888009627880 R10=000000000003c9ed R11=0000000000012f5f R12=0000000000000000 R13=ffff888009627888 R14=ffff888009611bc0 R15=ffff888009627840 RIP=ffffffff8135e474 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 0000000000000000 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe0100000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f47fafa6618 CR3=000000001e79c000 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=000000000002ab2d 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 fffffe1600000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007fb5ad207000 CR3=000000000d0f4000 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=2033313a35303a313220383120766f4e XMM01=73732878696e755f6d6170203a5d3134 XMM02=65736f6c63206e6f6973736573203a29 XMM03=755f6d6170203a5d3134325b64687373 XMM04=69662068637573206f4e203a656c6163 XMM05=3a656c696620766e65206e65706f206f XMM06=65733a6468737328766e655f6d617020 XMM07=6b7a79732033313a35303a3132203831 XMM08=30343d7974696c696261706163202279 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000