Debian GNU/Linux 11 syzkaller ttyS0 syzkaller login: [ 45.960975] ------------[ cut here ]------------ [ 45.961932] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 45.964008] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/232 [ 45.965485] Modules linked in: [ 45.966105] CPU: 1 UID: 104 PID: 232 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 45.969600] Tainted: [W]=WARN [ 45.970177] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 45.971749] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 45.972667] 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 [ 45.975898] RSP: 0018:ffff88800eb6fbc0 EFLAGS: 00010286 [ 45.976896] RAX: 0000000000000000 RBX: ffffed1001d6df78 RCX: ffffffff813a4050 [ 45.978199] RDX: ffff888016785340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 45.979509] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1001d6df2f [ 45.980806] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 45.982140] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88800eb6fdf8 [ 45.983447] FS: 00007ff43b50c900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 45.984885] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 45.985991] CR2: 00007ff43ba724a6 CR3: 000000000e7e7000 CR4: 0000000000350ef0 [ 45.987285] Call Trace: [ 45.987789] [ 45.988202] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 45.989106] ? __create_object+0x59/0x80 [ 45.989928] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 45.990916] __vmalloc_noprof+0x59/0x60 [ 45.991682] bpf_prog_alloc_no_stats+0x55/0x470 [ 45.992554] ? __pfx_seccomp_check_filter+0x10/0x10 [ 45.993499] bpf_prog_alloc+0x39/0x200 [ 45.994243] ? __pfx_seccomp_check_filter+0x10/0x10 [ 45.995182] bpf_prog_create_from_user+0xb2/0x2f0 [ 45.996102] do_seccomp+0x349/0x25e0 [ 45.996833] ? find_held_lock+0x2b/0x80 [ 45.997638] ? do_prlimit+0x310/0x610 [ 45.998392] ? __pfx_do_seccomp+0x10/0x10 [ 45.999139] ? do_raw_spin_unlock+0x53/0x220 [ 45.999977] ? _raw_spin_unlock+0x1e/0x40 [ 46.000758] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 46.001760] ? static_key_count+0x60/0x80 [ 46.002570] prctl_set_seccomp+0x4e/0x70 [ 46.003307] __do_sys_prctl+0xe6c/0x1d70 [ 46.004100] ? __pfx___do_sys_prctl+0x10/0x10 [ 46.004968] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 46.005995] ? irqentry_exit+0xf3/0x650 [ 46.006776] do_syscall_64+0xbf/0x430 [ 46.007524] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 46.008495] RIP: 0033:0x7ff43b9fe5cd [ 46.009156] 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 [ 46.012365] RSP: 002b:00007fff9dea8fb0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 46.013776] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ff43b9fe5cd [ 46.015075] RDX: 000055bcefa07e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 46.016375] RBP: 00007fff9dea9010 R08: 0000000000000000 R09: 00007fff9dea86b0 [ 46.017710] R10: 0000000000000000 R11: 0000000000000246 R12: 000055bcf3488ad0 [ 46.018995] R13: 00007fff9dea9440 R14: 000055bcf3489bc0 R15: 000055bcf349a780 [ 46.020310] [ 46.020785] irq event stamp: 2059 [ 46.021435] hardirqs last enabled at (2069): [] __up_console_sem+0x78/0x80 [ 46.023020] hardirqs last disabled at (2078): [] __up_console_sem+0x5d/0x80 [ 46.024560] softirqs last enabled at (1592): [] handle_softirqs+0x50c/0x770 [ 46.026142] softirqs last disabled at (1567): [] __irq_exit_rcu+0xc4/0x100 [ 46.027681] ---[ end trace 0000000000000000 ]--- [ 48.801931] ------------[ cut here ]------------ [ 48.802325] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 48.803189] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/240 [ 48.803825] Modules linked in: [ 48.804083] CPU: 0 UID: 104 PID: 240 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 48.804928] Tainted: [W]=WARN [ 48.805164] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 48.805793] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 48.806163] 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 [ 48.807502] RSP: 0018:ffff888015a77bc0 EFLAGS: 00010286 [ 48.807898] RAX: 0000000000000000 RBX: ffffed1002b4ef78 RCX: ffffffff813a4050 [ 48.808570] RDX: ffff888016db0000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 48.809299] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002b4ef2f [ 48.809857] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 48.810398] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888015a77df8 [ 48.810921] FS: 00007fd4256f5900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 48.811524] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 48.811953] CR2: 00007fd425be7580 CR3: 000000000c3eb000 CR4: 0000000000350ef0 [ 48.812491] Call Trace: [ 48.812688] [ 48.812861] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 48.813219] ? __create_object+0x59/0x80 [ 48.813555] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 48.813949] __vmalloc_noprof+0x59/0x60 [ 48.814249] bpf_prog_alloc_no_stats+0x55/0x470 [ 48.814623] ? __pfx_seccomp_check_filter+0x10/0x10 [ 48.815001] bpf_prog_alloc+0x39/0x200 [ 48.815292] ? __pfx_seccomp_check_filter+0x10/0x10 [ 48.815828] bpf_prog_create_from_user+0xb2/0x2f0 [ 48.816269] do_seccomp+0x349/0x25e0 [ 48.816658] ? __pfx_css_rstat_updated+0x10/0x10 [ 48.817128] ? __pfx_do_seccomp+0x10/0x10 [ 48.817467] ? find_held_lock+0x2b/0x80 [ 48.817780] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 48.818167] ? static_key_count+0x60/0x80 [ 48.818514] prctl_set_seccomp+0x4e/0x70 [ 48.818825] __do_sys_prctl+0xe6c/0x1d70 [ 48.819137] ? __pfx___do_sys_prctl+0x10/0x10 [ 48.819501] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 48.819891] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 48.820279] ? irqentry_exit+0xf3/0x650 [ 48.820603] do_syscall_64+0xbf/0x430 [ 48.820898] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 48.821280] RIP: 0033:0x7fd425be75cd [ 48.821584] 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 [ 48.822920] RSP: 002b:00007ffe81be36c0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 48.823498] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fd425be75cd [ 48.824022] RDX: 000055cacd737e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 48.824564] RBP: 00007ffe81be3720 R08: 0000000000000000 R09: 00007ffe81be2dc0 [ 48.825088] R10: 0000000000000000 R11: 0000000000000246 R12: 000055cafb6d7ad0 [ 48.825638] R13: 00007ffe81be3b50 R14: 000055cafb6d8bc0 R15: 000055cafb6e9780 [ 48.826169] [ 48.826365] irq event stamp: 1669 [ 48.826624] hardirqs last enabled at (1677): [] __up_console_sem+0x78/0x80 [ 48.827244] hardirqs last disabled at (1684): [] __up_console_sem+0x5d/0x80 [ 48.827888] softirqs last enabled at (1204): [] handle_softirqs+0x50c/0x770 [ 48.828543] softirqs last disabled at (1195): [] __irq_exit_rcu+0xc4/0x100 [ 48.829165] ---[ end trace 0000000000000000 ]--- [ 49.614913] ------------[ cut here ]------------ [ 49.615830] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 49.617781] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/248 [ 49.619489] Modules linked in: [ 49.620085] CPU: 0 UID: 104 PID: 248 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 49.622105] Tainted: [W]=WARN [ 49.622701] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 49.624157] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 49.625054] 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 [ 49.628161] RSP: 0018:ffff8880164dfbc0 EFLAGS: 00010286 [ 49.629125] RAX: 0000000000000000 RBX: ffffed1002c9bf78 RCX: ffffffff813a4050 [ 49.630402] RDX: ffff888015975340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 49.631671] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002c9bf2f [ 49.632937] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000400dc0 [ 49.634201] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff8880164dfdf8 [ 49.635469] FS: 00007fd590898900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 49.636882] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 49.637940] CR2: 00007ffee27c4ef7 CR3: 000000000c1d8000 CR4: 0000000000350ef0 [ 49.639199] Call Trace: [ 49.639697] [ 49.640104] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 49.640996] ? __create_object+0x59/0x80 [ 49.641780] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 49.642729] __vmalloc_noprof+0x59/0x60 [ 49.643474] bpf_prog_alloc_no_stats+0x55/0x470 [ 49.644289] ? __pfx_seccomp_check_filter+0x10/0x10 [ 49.645204] bpf_prog_alloc+0x39/0x200 [ 49.645950] ? __pfx_seccomp_check_filter+0x10/0x10 [ 49.646867] bpf_prog_create_from_user+0xb2/0x2f0 [ 49.647757] do_seccomp+0x349/0x25e0 [ 49.648459] ? find_held_lock+0x2b/0x80 [ 49.649160] ? do_prlimit+0x310/0x610 [ 49.649902] ? __pfx_do_seccomp+0x10/0x10 [ 49.650682] ? do_raw_spin_unlock+0x53/0x220 [ 49.651511] ? _raw_spin_unlock+0x1e/0x40 [ 49.652236] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 49.653194] ? static_key_count+0x60/0x80 [ 49.653997] prctl_set_seccomp+0x4e/0x70 [ 49.654762] __do_sys_prctl+0xe6c/0x1d70 [ 49.655543] ? __pfx___do_sys_prctl+0x10/0x10 [ 49.656375] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 49.657282] ? irqentry_exit+0xf3/0x650 [ 49.658047] do_syscall_64+0xbf/0x430 [ 49.658785] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 49.659740] RIP: 0033:0x7fd590d8a5cd [ 49.660438] 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 [ 49.663565] RSP: 002b:00007ffee27c35b0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 49.664921] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fd590d8a5cd [ 49.666199] RDX: 000055bcebbaae00 RSI: 0000000000000002 RDI: 0000000000000016 [ 49.667470] RBP: 00007ffee27c3610 R08: 0000000000000000 R09: 00007ffee27c2cb0 [ 49.668741] R10: 0000000000000000 R11: 0000000000000246 R12: 000055bd1f11aad0 [ 49.670030] R13: 00007ffee27c3a40 R14: 000055bd1f11bbc0 R15: 000055bd1f12c780 [ 49.671313] [ 49.671772] irq event stamp: 1901 [ 49.672405] hardirqs last enabled at (1911): [] __up_console_sem+0x78/0x80 [ 49.673920] hardirqs last disabled at (1920): [] __up_console_sem+0x5d/0x80 [ 49.675423] softirqs last enabled at (1580): [] handle_softirqs+0x50c/0x770 [ 49.676939] softirqs last disabled at (1565): [] __irq_exit_rcu+0xc4/0x100 [ 49.678435] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:28225' (ECDSA) to the list of known hosts. 2025/11/18 08:21:28 fuzzer started 2025/11/18 08:21:29 dialing manager at localhost:34383 2025/11/18 08:21:29 checking machine... 2025/11/18 08:21:29 checking revisions... [ 50.569516] kmemleak: Automatic memory scanning thread ended 2025/11/18 08:21:29 testing simple program... [ 50.649713] cgroup: Unknown subsys name 'net' [ 50.713061] cgroup: Unknown subsys name 'cpuset' [ 50.727819] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program VM DIAGNOSIS: 08:21:28 Registers: info registers vcpu 0 RAX=0000000000000001 RBX=00007ffe81be2d18 RCX=ffffffff869d8192 RDX=0000000000000000 RSI=ffffffff8135e7a2 RDI=ffffffff85e1ffe0 RBP=ffff888015ec0000 RSP=ffff888015ec7358 R8 =ffffffff869d8196 R9 =0000000000000000 R10=000000000003c9ed R11=0000000000000003 R12=0000000000000001 R13=ffff888015ec7430 R14=ffff888015ec7f58 R15=ffff888015ec73e8 RIP=ffffffff81528eca RFL=00000202 [-------] 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 00007fd4256f5900 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe2400000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007fd4256ba008 CR3=000000001f32c000 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=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=0000000000000003 RBX=0000000000000002 RCX=ffffffff81aafc38 RDX=000000000000aafc RSI=000000000000aafc RDI=ffffffff86eee748 RBP=ffff88806cf08a58 RSP=ffff88806cf08990 R8 =0000000000000000 R9 =0000000000000000 R10=000000000003c9ed R11=0000000000023c52 R12=ffff88806cf08a60 R13=ffff88806cf08a48 R14=ffff88806cf08a41 R15=ffff88806cf08a00 RIP=ffffffff8135e62a 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 ffff8880e548f000 00000000 00000000 LDT=0000 fffffe7c00000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f5c19af2000 CR3=000000000ccd1000 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=5a96ecb4c9c7318c4a42970ca9b6e0a9 XMM02=0000000000305888eff9b2d0a8fce9cb XMM03=00000000003059582c67c8bc2e329bc3 XMM04=8a6063c28c6ab89100000000000ae988 XMM05=f5c86b7a55119f440000000000321c90 XMM06=d74844bf967d85ba00000000003209c0 XMM07=e042d86d42eb936e0000000000310e18 XMM08=ad81df1e202de1470000000000305958 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000