syzkaller login: [ 46.272845] ------------[ cut here ]------------ [ 46.273781] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 46.275789] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/234 [ 46.277269] Modules linked in: [ 46.277929] CPU: 0 UID: 104 PID: 234 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 46.279910] Tainted: [W]=WARN [ 46.280504] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 46.281980] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 46.282902] 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 [ 46.286104] RSP: 0018:ffff888019af7bc0 EFLAGS: 00010286 [ 46.287100] RAX: 0000000000000000 RBX: ffffed100335ef78 RCX: ffffffff813a4050 [ 46.288425] RDX: ffff88800a379bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 46.289711] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed100335ef2f [ 46.291002] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 46.292291] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888019af7df8 [ 46.293586] FS: 00007f5bb8167900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 46.295020] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 46.296112] CR2: 00007ffe82cb4ef7 CR3: 0000000009eb7000 CR4: 0000000000350ef0 [ 46.297408] Call Trace: [ 46.297883] [ 46.298295] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 46.299210] ? __create_object+0x59/0x80 [ 46.300002] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 46.300997] __vmalloc_noprof+0x59/0x60 [ 46.301770] bpf_prog_alloc_no_stats+0x55/0x470 [ 46.302653] ? __pfx_seccomp_check_filter+0x10/0x10 [ 46.303588] bpf_prog_alloc+0x39/0x200 [ 46.304287] ? __pfx_seccomp_check_filter+0x10/0x10 [ 46.305223] bpf_prog_create_from_user+0xb2/0x2f0 [ 46.306146] do_seccomp+0x349/0x25e0 [ 46.306866] ? find_held_lock+0x2b/0x80 [ 46.307630] ? do_prlimit+0x310/0x610 [ 46.308408] ? __pfx_do_seccomp+0x10/0x10 [ 46.309153] ? do_raw_spin_unlock+0x53/0x220 [ 46.309999] ? _raw_spin_unlock+0x1e/0x40 [ 46.310787] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 46.311758] ? static_key_count+0x60/0x80 [ 46.312576] prctl_set_seccomp+0x4e/0x70 [ 46.313316] __do_sys_prctl+0xe6c/0x1d70 [ 46.314106] ? __pfx___do_sys_prctl+0x10/0x10 [ 46.314962] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 46.315964] ? irqentry_exit+0xf3/0x650 [ 46.316742] do_syscall_64+0xbf/0x430 [ 46.317491] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 46.318459] RIP: 0033:0x7f5bb86595cd [ 46.319124] 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 [ 46.322328] RSP: 002b:00007ffe82cb3ac0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 46.323734] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f5bb86595cd [ 46.325043] RDX: 000055aa226bbe00 RSI: 0000000000000002 RDI: 0000000000000016 [ 46.326334] RBP: 00007ffe82cb3b20 R08: 0000000000000000 R09: 00007ffe82cb31c0 [ 46.327637] R10: 0000000000000000 R11: 0000000000000246 R12: 000055aa3418bad0 [ 46.328947] R13: 00007ffe82cb3f50 R14: 000055aa3418cbc0 R15: 000055aa3419d780 [ 46.330257] [ 46.330729] irq event stamp: 1761 [ 46.331343] hardirqs last enabled at (1769): [] __up_console_sem+0x78/0x80 [ 46.332922] hardirqs last disabled at (1780): [] __up_console_sem+0x5d/0x80 [ 46.334476] softirqs last enabled at (1630): [] handle_softirqs+0x50c/0x770 [ 46.336021] softirqs last disabled at (1625): [] __irq_exit_rcu+0xc4/0x100 [ 46.337560] ---[ end trace 0000000000000000 ]--- [ 49.370436] ------------[ cut here ]------------ [ 49.371294] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 49.373383] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/241 [ 49.374834] Modules linked in: [ 49.375458] CPU: 1 UID: 104 PID: 241 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 49.377458] Tainted: [W]=WARN [ 49.378012] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 49.380917] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 49.381908] 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 [ 49.385054] RSP: 0018:ffff888018ae7bc0 EFLAGS: 00010286 [ 49.386035] RAX: 0000000000000000 RBX: ffffed100315cf78 RCX: ffffffff813a4050 [ 49.387289] RDX: ffff8880171f5340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 49.388582] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed100315cf2f [ 49.389881] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 49.391162] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888018ae7df8 [ 49.392436] FS: 00007fdb2af97900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 49.393870] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 49.394945] CR2: 00007ffdf6bf8ef7 CR3: 000000000d9c9000 CR4: 0000000000350ef0 [ 49.396261] Call Trace: [ 49.396749] [ 49.397152] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 49.398055] ? __create_object+0x59/0x80 [ 49.398845] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 49.399794] __vmalloc_noprof+0x59/0x60 [ 49.400558] bpf_prog_alloc_no_stats+0x55/0x470 [ 49.401420] ? __pfx_seccomp_check_filter+0x10/0x10 [ 49.402286] bpf_prog_alloc+0x39/0x200 [ 49.403010] ? __pfx_seccomp_check_filter+0x10/0x10 [ 49.403924] bpf_prog_create_from_user+0xb2/0x2f0 [ 49.404819] do_seccomp+0x349/0x25e0 [ 49.405555] ? find_held_lock+0x2b/0x80 [ 49.406266] ? do_prlimit+0x310/0x610 [ 49.407004] ? __pfx_do_seccomp+0x10/0x10 [ 49.407792] ? do_raw_spin_unlock+0x53/0x220 [ 49.408625] ? _raw_spin_unlock+0x1e/0x40 [ 49.409399] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 49.410303] ? static_key_count+0x60/0x80 [ 49.411094] prctl_set_seccomp+0x4e/0x70 [ 49.411861] __do_sys_prctl+0xe6c/0x1d70 [ 49.412642] ? __pfx___do_sys_prctl+0x10/0x10 [ 49.413496] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 49.414444] ? irqentry_exit+0xf3/0x650 [ 49.415152] do_syscall_64+0xbf/0x430 [ 49.415876] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 49.416836] RIP: 0033:0x7fdb2b4895cd [ 49.417536] 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 [ 49.420664] RSP: 002b:00007ffdf6bf64e0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 49.422013] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fdb2b4895cd [ 49.423331] RDX: 00005586a7f29e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 49.424622] RBP: 00007ffdf6bf6540 R08: 0000000000000000 R09: 00007ffdf6bf5be0 [ 49.425877] R10: 0000000000000000 R11: 0000000000000246 R12: 00005586d9fecad0 [ 49.427171] R13: 00007ffdf6bf6970 R14: 00005586d9fedbc0 R15: 00005586d9ffe780 [ 49.428501] [ 49.428932] irq event stamp: 2093 [ 49.429550] hardirqs last enabled at (2103): [] __up_console_sem+0x78/0x80 [ 49.430849] hardirqs last disabled at (2112): [] __up_console_sem+0x5d/0x80 [ 49.432135] softirqs last enabled at (2072): [] handle_softirqs+0x50c/0x770 [ 49.433444] softirqs last disabled at (2067): [] __irq_exit_rcu+0xc4/0x100 [ 49.434693] ---[ end trace 0000000000000000 ]--- [ 50.063278] ------------[ cut here ]------------ [ 50.064244] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 50.066259] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/248 [ 50.067710] Modules linked in: [ 50.068325] CPU: 1 UID: 104 PID: 248 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 50.070384] Tainted: [W]=WARN [ 50.070958] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 50.072735] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 50.073739] 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 [ 50.077015] RSP: 0018:ffff8880097b7bc0 EFLAGS: 00010286 [ 50.078015] RAX: 0000000000000000 RBX: ffffed10012f6f78 RCX: ffffffff813a4050 [ 50.079328] RDX: ffff888015f8b780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 50.080669] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed10012f6f2f [ 50.081977] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 50.083293] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff8880097b7df8 [ 50.084617] FS: 00007fe921a57900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 50.086086] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.087167] CR2: 00007fe921fbd4a6 CR3: 000000000d5b0000 CR4: 0000000000350ef0 [ 50.088490] Call Trace: [ 50.088966] [ 50.089425] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 50.090295] ? __create_object+0x59/0x80 [ 50.091091] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 50.092077] __vmalloc_noprof+0x59/0x60 [ 50.092863] bpf_prog_alloc_no_stats+0x55/0x470 [ 50.093756] ? __pfx_seccomp_check_filter+0x10/0x10 [ 50.094707] bpf_prog_alloc+0x39/0x200 [ 50.095461] ? __pfx_seccomp_check_filter+0x10/0x10 [ 50.096418] bpf_prog_create_from_user+0xb2/0x2f0 [ 50.097292] do_seccomp+0x349/0x25e0 [ 50.098026] ? find_held_lock+0x2b/0x80 [ 50.098824] ? do_prlimit+0x310/0x610 [ 50.099584] ? __pfx_do_seccomp+0x10/0x10 [ 50.100397] ? do_raw_spin_unlock+0x53/0x220 [ 50.101201] ? _raw_spin_unlock+0x1e/0x40 [ 50.102001] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 50.103008] ? static_key_count+0x60/0x80 [ 50.103850] prctl_set_seccomp+0x4e/0x70 [ 50.104660] __do_sys_prctl+0xe6c/0x1d70 [ 50.105466] ? __pfx___do_sys_prctl+0x10/0x10 [ 50.106302] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 50.107298] ? irqentry_exit+0xf3/0x650 [ 50.108082] do_syscall_64+0xbf/0x430 [ 50.108858] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 50.109835] RIP: 0033:0x7fe921f495cd [ 50.110555] 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 [ 50.113815] RSP: 002b:00007ffec15d7260 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 50.115209] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fe921f495cd [ 50.116542] RDX: 000056187d5f6e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 50.117856] RBP: 00007ffec15d72c0 R08: 0000000000000000 R09: 00007ffec15d6960 [ 50.119166] R10: 0000000000000000 R11: 0000000000000246 R12: 000056189a16bb10 [ 50.120492] R13: 00007ffec15d76f0 R14: 000056189a16c2b0 R15: 000056189a1806f0 [ 50.121618] [ 50.121985] irq event stamp: 1795 [ 50.122542] hardirqs last enabled at (1805): [] __up_console_sem+0x78/0x80 [ 50.123843] hardirqs last disabled at (1814): [] __up_console_sem+0x5d/0x80 [ 50.125153] softirqs last enabled at (1340): [] handle_softirqs+0x50c/0x770 [ 50.126472] softirqs last disabled at (1319): [] __irq_exit_rcu+0xc4/0x100 [ 50.127763] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:25051' (ECDSA) to the list of known hosts. 2025/11/18 10:37:57 fuzzer started 2025/11/18 10:37:57 dialing manager at localhost:34383 2025/11/18 10:37:57 checking machine... 2025/11/18 10:37:57 checking revisions... [ 50.894625] kmemleak: Automatic memory scanning thread ended 2025/11/18 10:37:57 testing simple program... [ 50.979675] cgroup: Unknown subsys name 'net' [ 51.022092] cgroup: Unknown subsys name 'cpuset' [ 51.036273] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program VM DIAGNOSIS: 10:37:56 Registers: info registers vcpu 0 RAX=ffffffff83ee1312 RBX=ffffffff81619130 RCX=ffff888016c1f524 RDX=1ffff11002d83ec5 RSI=ffffffff83ee1312 RDI=ffff888016c1f698 RBP=ffff888016c1f668 RSP=ffff888016c1f5c8 R8 =0000000000000001 R9 =ffff888016c1f610 R10=000000000003c9ed R11=000000000009b70d R12=ffff888016c1f698 R13=0000000000000000 R14=ffff888015af9bc0 R15=ffff8880096c78c0 RIP=ffffffff81619134 RFL=00000286 [--S--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 00007fdb2af97900 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=00007fdb2b54e618 CR3=000000001ff80000 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=0000000000021cdf 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=00000202 [-------] 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 fffffe2800000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f8dccf9f018 CR3=000000000d87e000 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=37333a303120383120766f4e3e36383c XMM01=7365733a646873732878696e755f6d61 XMM02=736f6c63206e6f6973736573203a296e XMM03=5f6d6170203a5d3034325b6468737320 XMM04=6456774875434142334f726f59427469 XMM05=485320415352203a3268737320343333 XMM06=206d6f726620746f6f7220726f662079 XMM07=00000000000000000000000000000000 XMM08=3a677562656420676f6c737973720000 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000