syzkaller login: [ 38.989325] ------------[ cut here ]------------ [ 38.990283] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 38.992335] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/232 [ 38.993882] Modules linked in: [ 38.994491] CPU: 0 UID: 104 PID: 232 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 38.996457] Tainted: [W]=WARN [ 38.997093] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 38.998590] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 38.999524] 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 [ 39.002706] RSP: 0018:ffff888017bd7bc0 EFLAGS: 00010286 [ 39.003671] RAX: 0000000000000000 RBX: ffffed1002f7af78 RCX: ffffffff813a4050 [ 39.004958] RDX: ffff88801bbd8000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 39.006286] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002f7af2f [ 39.007570] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000400dc0 [ 39.008863] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888017bd7df8 [ 39.010188] FS: 00007f7c12aaa900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 39.011626] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 39.012697] CR2: 00007ffdafa5def7 CR3: 000000000d4f8000 CR4: 0000000000350ef0 [ 39.014015] Call Trace: [ 39.014483] [ 39.014956] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 39.015849] ? __create_object+0x59/0x80 [ 39.016590] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.017600] __vmalloc_noprof+0x59/0x60 [ 39.018364] bpf_prog_alloc_no_stats+0x55/0x470 [ 39.019239] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.020179] bpf_prog_alloc+0x39/0x200 [ 39.020910] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.021873] bpf_prog_create_from_user+0xb2/0x2f0 [ 39.022727] do_seccomp+0x349/0x25e0 [ 39.023451] ? find_held_lock+0x2b/0x80 [ 39.024219] ? do_prlimit+0x310/0x610 [ 39.024970] ? __pfx_do_seccomp+0x10/0x10 [ 39.025793] ? do_raw_spin_unlock+0x53/0x220 [ 39.026596] ? _raw_spin_unlock+0x1e/0x40 [ 39.027373] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 39.028348] ? static_key_count+0x60/0x80 [ 39.029196] prctl_set_seccomp+0x4e/0x70 [ 39.029992] __do_sys_prctl+0xe6c/0x1d70 [ 39.030781] ? __pfx___do_sys_prctl+0x10/0x10 [ 39.031586] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 39.032549] ? irqentry_exit+0xf3/0x650 [ 39.033356] do_syscall_64+0xbf/0x430 [ 39.034103] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 39.035058] RIP: 0033:0x7f7c12f9c5cd [ 39.035722] 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 [ 39.038952] RSP: 002b:00007ffdafa5bc70 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 39.040306] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f7c12f9c5cd [ 39.041642] RDX: 000055b96faa6e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 39.042923] RBP: 00007ffdafa5bcd0 R08: 0000000000000000 R09: 00007ffdafa5b370 [ 39.044211] R10: 0000000000000000 R11: 0000000000000246 R12: 000055b971688b10 [ 39.045524] R13: 00007ffdafa5c100 R14: 000055b9716892b0 R15: 000055b97169d6f0 [ 39.046836] [ 39.047256] irq event stamp: 1775 [ 39.047903] hardirqs last enabled at (1785): [] __up_console_sem+0x78/0x80 [ 39.049457] hardirqs last disabled at (1794): [] __up_console_sem+0x5d/0x80 [ 39.050981] softirqs last enabled at (1692): [] handle_softirqs+0x50c/0x770 [ 39.052515] softirqs last disabled at (1687): [] __irq_exit_rcu+0xc4/0x100 [ 39.054026] ---[ end trace 0000000000000000 ]--- [ 42.573168] ------------[ cut here ]------------ [ 42.573937] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.575577] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/241 [ 42.576772] Modules linked in: [ 42.577286] CPU: 1 UID: 104 PID: 241 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 42.578913] Tainted: [W]=WARN [ 42.579377] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.580591] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.581356] 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 [ 42.583963] RSP: 0018:ffff88801a387bc0 EFLAGS: 00010286 [ 42.584760] RAX: 0000000000000000 RBX: ffffed1003470f78 RCX: ffffffff813a4050 [ 42.585841] RDX: ffff888018a00000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.586900] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1003470f2f [ 42.587951] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.589003] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801a387df8 [ 42.590074] FS: 00007fd8911ad900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 42.591267] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.592147] CR2: 00007ffec7c57ef7 CR3: 000000000d33b000 CR4: 0000000000350ef0 [ 42.593215] Call Trace: [ 42.593603] [ 42.593973] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.594694] ? __create_object+0x59/0x80 [ 42.595344] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.596151] __vmalloc_noprof+0x59/0x60 [ 42.596791] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.597494] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.598261] bpf_prog_alloc+0x39/0x200 [ 42.598878] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.599610] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.600365] do_seccomp+0x349/0x25e0 [ 42.600950] ? find_held_lock+0x2b/0x80 [ 42.601548] ? do_prlimit+0x310/0x610 [ 42.602169] ? __pfx_do_seccomp+0x10/0x10 [ 42.602831] ? do_raw_spin_unlock+0x53/0x220 [ 42.603494] ? _raw_spin_unlock+0x1e/0x40 [ 42.604144] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.604958] ? static_key_count+0x60/0x80 [ 42.605611] prctl_set_seccomp+0x4e/0x70 [ 42.606262] __do_sys_prctl+0xe6c/0x1d70 [ 42.606922] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.607632] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.608440] ? irqentry_exit+0xf3/0x650 [ 42.609093] do_syscall_64+0xbf/0x430 [ 42.609668] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.610465] RIP: 0033:0x7fd89169f5cd [ 42.611063] 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 [ 42.613748] RSP: 002b:00007ffec7c56cf0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.614917] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fd89169f5cd [ 42.616008] RDX: 000055bef8a42e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.617096] RBP: 00007ffec7c56d50 R08: 0000000000000000 R09: 00007ffec7c563f0 [ 42.618161] R10: 0000000000000000 R11: 0000000000000246 R12: 000055bf2712bb10 [ 42.619241] R13: 00007ffec7c57180 R14: 000055bf2712c2b0 R15: 000055bf271406f0 [ 42.620318] [ 42.620669] irq event stamp: 1761 [ 42.621215] hardirqs last enabled at (1771): [] __up_console_sem+0x78/0x80 [ 42.622616] hardirqs last disabled at (1780): [] __up_console_sem+0x5d/0x80 [ 42.623994] softirqs last enabled at (1400): [] handle_softirqs+0x50c/0x770 [ 42.625294] softirqs last disabled at (1395): [] __irq_exit_rcu+0xc4/0x100 [ 42.626542] ---[ end trace 0000000000000000 ]--- [ 43.336431] ------------[ cut here ]------------ [ 43.337215] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 43.338985] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/248 [ 43.340190] Modules linked in: [ 43.340675] CPU: 0 UID: 104 PID: 248 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 43.342299] Tainted: [W]=WARN [ 43.342793] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 43.343995] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 43.344709] 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 [ 43.347350] RSP: 0018:ffff888016b07bc0 EFLAGS: 00010286 [ 43.348162] RAX: 0000000000000000 RBX: ffffed1002d60f78 RCX: ffffffff813a4050 [ 43.349235] RDX: ffff888016fc9bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 43.350286] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002d60f2f [ 43.351344] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 43.352394] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888016b07df8 [ 43.353467] FS: 00007fcdc4966900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 43.354642] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 43.355512] CR2: 00007fcdc4e58580 CR3: 000000000d7b1000 CR4: 0000000000350ef0 [ 43.356555] Call Trace: [ 43.356969] [ 43.357319] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 43.358060] ? __create_object+0x59/0x80 [ 43.358672] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 43.359475] __vmalloc_noprof+0x59/0x60 [ 43.360091] bpf_prog_alloc_no_stats+0x55/0x470 [ 43.360817] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.361553] bpf_prog_alloc+0x39/0x200 [ 43.362161] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.362924] bpf_prog_create_from_user+0xb2/0x2f0 [ 43.363629] do_seccomp+0x349/0x25e0 [ 43.364219] ? __pfx_css_rstat_updated+0x10/0x10 [ 43.364960] ? __pfx_do_seccomp+0x10/0x10 [ 43.365577] ? find_held_lock+0x2b/0x80 [ 43.366198] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 43.366984] ? static_key_count+0x60/0x80 [ 43.367605] prctl_set_seccomp+0x4e/0x70 [ 43.368249] __do_sys_prctl+0xe6c/0x1d70 [ 43.368888] ? __pfx___do_sys_prctl+0x10/0x10 [ 43.369620] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 43.370414] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 43.371218] ? irqentry_exit+0xf3/0x650 [ 43.371848] do_syscall_64+0xbf/0x430 [ 43.372424] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 43.373220] RIP: 0033:0x7fcdc4e585cd [ 43.373793] 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 [ 43.376383] RSP: 002b:00007ffe7e16f410 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 43.377517] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fcdc4e585cd [ 43.378562] RDX: 000055cc74260e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 43.379615] RBP: 00007ffe7e16f470 R08: 0000000000000000 R09: 00007ffe7e16eb10 [ 43.380672] R10: 0000000000000000 R11: 0000000000000246 R12: 000055cca7b01ad0 [ 43.381753] R13: 00007ffe7e16f8a0 R14: 000055cca7b02bc0 R15: 000055cca7b13780 [ 43.382831] [ 43.383181] irq event stamp: 1681 [ 43.383673] hardirqs last enabled at (1689): [] __up_console_sem+0x78/0x80 [ 43.384918] hardirqs last disabled at (1698): [] __up_console_sem+0x5d/0x80 [ 43.386165] softirqs last enabled at (1176): [] handle_softirqs+0x50c/0x770 [ 43.387420] softirqs last disabled at (1155): [] __irq_exit_rcu+0xc4/0x100 [ 43.388672] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:22776' (ECDSA) to the list of known hosts. 2025/11/17 15:35:47 fuzzer started 2025/11/17 15:35:47 dialing manager at localhost:37895 2025/11/17 15:35:48 checking machine... 2025/11/17 15:35:48 checking revisions... [ 44.274455] kmemleak: Automatic memory scanning thread ended 2025/11/17 15:35:48 testing simple program... [ 44.354402] cgroup: Unknown subsys name 'net' [ 44.417198] cgroup: Unknown subsys name 'cpuset' [ 44.463295] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program VM DIAGNOSIS: 15:35:47 Registers: info registers vcpu 0 RAX=0000000000000003 RBX=ffffffff866dc178 RCX=ffffffff8161932d RDX=0000000000000000 RSI=ffffffff86a49c36 RDI=ffffffff866dc158 RBP=ffffffff866dc158 RSP=ffff888015f673e8 R8 =ffffffff86a49c36 R9 =0000000000000000 R10=000000000003c9ed R11=0000000000012f69 R12=ffffffff866dc198 R13=ffffffff866dc158 R14=ffffffff866dc158 R15=dffffc0000000000 RIP=ffffffff8135dabc RFL=00000206 [-----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 00007f9858499900 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe6d00000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f9857bb2030 CR3=000000000d934000 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=756f6a2f646d65747379732f6e75722f XMM01=00676f6c7379732f6c616e72756f6a2f XMM02=756f6a2f646d65747379732f6e75722f XMM03=006c616e72756f6a2f646d6574737973 XMM04=44ff296e3362ca5100000000000ae988 XMM05=21d3a5d176af597e0000000000322d40 XMM06=d96330e2d2db86320000000000321bd8 XMM07=fb795ef6d65770560000000000311ee0 XMM08=4f5453444600273d67736d000d0a0920 XMM09=00000000000000000000000000000000 XMM10=20200000000020202020202020200000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=0000000000000006 RBX=0000000000000001 RCX=ffffffff81b2a133 RDX=000000000000000c RSI=ffffffff86ab82dc RDI=ffffffff86725b1c RBP=ffffffff86725b1c RSP=ffff8880177b7398 R8 =ffffffff86ab82dc R9 =0000000000000000 R10=000000000003c9ed R11=00000000000255da R12=ffffffff86725b4c R13=ffffffff86725b1c R14=ffffffff86725b1c R15=dffffc0000000000 RIP=ffffffff8135da9e RFL=00000216 [----AP-] 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 00007fd8911ad900 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=00007ffec7c50000 CR3=0000000013ef2000 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=74696d7265705f6d61703d73726f746e XMM02=000000000000000000000000000000ff XMM03=5320444f4854454d5f54505952434e45 XMM04=40404040404040404040404040404040 XMM05=5a5a5a5a5a5a5a5a5a5a5a5a5a5a5a5a XMM06=20202020202020202020202020202020 XMM07=00000000000000000000000000000000 XMM08=61662029286e65706f5f746964756100 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000