syzkaller login: [ 38.949754] ------------[ cut here ]------------ [ 38.950679] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 38.952676] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/231 [ 38.954146] Modules linked in: [ 38.954790] CPU: 1 UID: 104 PID: 231 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 38.956878] Tainted: [W]=WARN [ 38.957428] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 38.958894] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 38.959829] 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 [ 38.962985] RSP: 0018:ffff8880168f7bc0 EFLAGS: 00010286 [ 38.963952] RAX: 0000000000000000 RBX: ffffed1002d1ef78 RCX: ffffffff813a4050 [ 38.965244] RDX: ffff888015f11bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 38.966519] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002d1ef2f [ 38.967823] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 38.969103] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff8880168f7df8 [ 38.970373] FS: 00007f954765f900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 38.971806] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 38.972869] CR2: 00007fff8a5ddef7 CR3: 000000000d4f5000 CR4: 0000000000350ef0 [ 38.974146] Call Trace: [ 38.974648] [ 38.975057] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 38.975943] ? __create_object+0x59/0x80 [ 38.976718] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 38.977672] __vmalloc_noprof+0x59/0x60 [ 38.978376] bpf_prog_alloc_no_stats+0x55/0x470 [ 38.979242] ? __pfx_seccomp_check_filter+0x10/0x10 [ 38.980165] bpf_prog_alloc+0x39/0x200 [ 38.980902] ? __pfx_seccomp_check_filter+0x10/0x10 [ 38.981826] bpf_prog_create_from_user+0xb2/0x2f0 [ 38.982724] do_seccomp+0x349/0x25e0 [ 38.983394] ? find_held_lock+0x2b/0x80 [ 38.984141] ? do_prlimit+0x310/0x610 [ 38.984883] ? __pfx_do_seccomp+0x10/0x10 [ 38.985656] ? do_raw_spin_unlock+0x53/0x220 [ 38.986443] ? _raw_spin_unlock+0x1e/0x40 [ 38.987212] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 38.988166] ? static_key_count+0x60/0x80 [ 38.988977] prctl_set_seccomp+0x4e/0x70 [ 38.989747] __do_sys_prctl+0xe6c/0x1d70 [ 38.990477] ? __pfx___do_sys_prctl+0x10/0x10 [ 38.991322] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 38.992302] ? irqentry_exit+0xf3/0x650 [ 38.993092] do_syscall_64+0xbf/0x430 [ 38.993834] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 38.994802] RIP: 0033:0x7f9547b515cd [ 38.995476] 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 [ 38.998719] RSP: 002b:00007fff8a5dcec0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 39.000104] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f9547b515cd [ 39.001433] RDX: 000055f04b3ebe00 RSI: 0000000000000002 RDI: 0000000000000016 [ 39.002726] RBP: 00007fff8a5dcf20 R08: 0000000000000000 R09: 00007fff8a5dc5c0 [ 39.004022] R10: 0000000000000000 R11: 0000000000000246 R12: 000055f05bc80240 [ 39.005345] R13: 00007fff8a5dd350 R14: 000055f05bc89380 R15: 000055f05bc94540 [ 39.006661] [ 39.007101] irq event stamp: 1769 [ 39.007751] hardirqs last enabled at (1779): [] __up_console_sem+0x78/0x80 [ 39.009306] hardirqs last disabled at (1788): [] __up_console_sem+0x5d/0x80 [ 39.010855] softirqs last enabled at (1692): [] handle_softirqs+0x50c/0x770 [ 39.012431] softirqs last disabled at (1687): [] __irq_exit_rcu+0xc4/0x100 [ 39.013976] ---[ end trace 0000000000000000 ]--- [ 41.895898] ------------[ cut here ]------------ [ 41.896323] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 41.897269] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/239 [ 41.897948] Modules linked in: [ 41.898226] CPU: 0 UID: 104 PID: 239 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 41.899155] Tainted: [W]=WARN [ 41.899414] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 41.900104] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 41.900509] 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 [ 41.902015] RSP: 0018:ffff8880179efbc0 EFLAGS: 00010286 [ 41.902459] RAX: 0000000000000000 RBX: ffffed1002f3df78 RCX: ffffffff813a4050 [ 41.903067] RDX: ffff888017165340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 41.903675] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002f3df2f [ 41.904256] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 41.904872] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff8880179efdf8 [ 41.905455] FS: 00007f314418a900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 41.906582] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 41.907070] CR2: 00007ffe4bf15ef7 CR3: 0000000013dcf000 CR4: 0000000000350ef0 [ 41.907677] Call Trace: [ 41.907896] [ 41.908091] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 41.908489] ? __create_object+0x59/0x80 [ 41.908865] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 41.909300] __vmalloc_noprof+0x59/0x60 [ 41.909659] bpf_prog_alloc_no_stats+0x55/0x470 [ 41.910051] ? __pfx_seccomp_check_filter+0x10/0x10 [ 41.910470] bpf_prog_alloc+0x39/0x200 [ 41.910817] ? __pfx_seccomp_check_filter+0x10/0x10 [ 41.911235] bpf_prog_create_from_user+0xb2/0x2f0 [ 41.911666] do_seccomp+0x349/0x25e0 [ 41.911985] ? find_held_lock+0x2b/0x80 [ 41.912320] ? do_prlimit+0x310/0x610 [ 41.912677] ? __pfx_do_seccomp+0x10/0x10 [ 41.913025] ? do_raw_spin_unlock+0x53/0x220 [ 41.913387] ? _raw_spin_unlock+0x1e/0x40 [ 41.913748] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 41.914180] ? static_key_count+0x60/0x80 [ 41.914556] prctl_set_seccomp+0x4e/0x70 [ 41.914895] __do_sys_prctl+0xe6c/0x1d70 [ 41.915235] ? __pfx___do_sys_prctl+0x10/0x10 [ 41.915638] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 41.916071] ? irqentry_exit+0xf3/0x650 [ 41.916406] do_syscall_64+0xbf/0x430 [ 41.916760] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 41.917186] RIP: 0033:0x7f314467c5cd [ 41.917492] 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 [ 41.918975] RSP: 002b:00007ffe4bf14e60 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 41.919612] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f314467c5cd [ 41.920198] RDX: 000055a39ca07e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 41.920802] RBP: 00007ffe4bf14ec0 R08: 0000000000000000 R09: 00007ffe4bf14560 [ 41.921383] R10: 0000000000000000 R11: 0000000000000246 R12: 000055a39ed3cbf0 [ 41.921983] R13: 00007ffe4bf152f0 R14: 000055a39ed46380 R15: 000055a39ed51460 [ 41.922589] [ 41.922789] irq event stamp: 1627 [ 41.923071] hardirqs last enabled at (1635): [] __up_console_sem+0x78/0x80 [ 41.923778] hardirqs last disabled at (1644): [] __up_console_sem+0x5d/0x80 [ 41.924473] softirqs last enabled at (1184): [] handle_softirqs+0x50c/0x770 [ 41.925198] softirqs last disabled at (1175): [] __irq_exit_rcu+0xc4/0x100 [ 41.925904] ---[ end trace 0000000000000000 ]--- [ 42.605404] ------------[ cut here ]------------ [ 42.605961] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.607189] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/247 [ 42.608779] Modules linked in: [ 42.609137] CPU: 0 UID: 104 PID: 247 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 42.610323] Tainted: [W]=WARN [ 42.610685] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.611560] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.612075] 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 [ 42.613973] RSP: 0018:ffff888017a9fbc0 EFLAGS: 00010286 [ 42.614526] RAX: 0000000000000000 RBX: ffffed1002f53f78 RCX: ffffffff813a4050 [ 42.615285] RDX: ffff88801adc8000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.616050] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002f53f2f [ 42.616828] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.617591] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888017a9fdf8 [ 42.618324] FS: 00007f1ee9421900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 42.619178] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.619805] CR2: 00007f1ee9913580 CR3: 000000000dbc8000 CR4: 0000000000350ef0 [ 42.620570] Call Trace: [ 42.620854] [ 42.621099] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.621629] ? __create_object+0x59/0x80 [ 42.622072] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.622641] __vmalloc_noprof+0x59/0x60 [ 42.623062] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.623582] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.624108] bpf_prog_alloc+0x39/0x200 [ 42.624519] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.625078] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.625614] do_seccomp+0x349/0x25e0 [ 42.626015] ? __pfx_css_rstat_updated+0x10/0x10 [ 42.626517] ? __pfx_do_seccomp+0x10/0x10 [ 42.626990] ? find_held_lock+0x2b/0x80 [ 42.627413] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.627988] ? static_key_count+0x60/0x80 [ 42.628440] prctl_set_seccomp+0x4e/0x70 [ 42.628917] __do_sys_prctl+0xe6c/0x1d70 [ 42.629369] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.629886] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.630452] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.631041] ? irqentry_exit+0xf3/0x650 [ 42.631486] do_syscall_64+0xbf/0x430 [ 42.631933] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.632487] RIP: 0033:0x7f1ee99135cd [ 42.632930] 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 [ 42.634875] RSP: 002b:00007fff9db05600 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.635710] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f1ee99135cd [ 42.636463] RDX: 00005570c8ceae00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.637247] RBP: 00007fff9db05660 R08: 0000000000000000 R09: 00007fff9db04d00 [ 42.638027] R10: 0000000000000000 R11: 0000000000000246 R12: 00005570ccffbb10 [ 42.638814] R13: 00007fff9db05a90 R14: 00005570ccffc2b0 R15: 00005570cd0106f0 [ 42.639623] [ 42.639885] irq event stamp: 2003 [ 42.640257] hardirqs last enabled at (2011): [] __up_console_sem+0x78/0x80 [ 42.641188] hardirqs last disabled at (2020): [] __up_console_sem+0x5d/0x80 [ 42.642133] softirqs last enabled at (1532): [] handle_softirqs+0x50c/0x770 [ 42.643081] softirqs last disabled at (1253): [] __irq_exit_rcu+0xc4/0x100 [ 42.644018] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:21326' (ECDSA) to the list of known hosts. 2025/11/18 22:06:03 fuzzer started 2025/11/18 22:06:03 dialing manager at localhost:34383 2025/11/18 22:06:03 checking machine... 2025/11/18 22:06:03 checking revisions... [ 43.574802] kmemleak: Automatic memory scanning thread ended 2025/11/18 22:06:03 testing simple program... [ 43.655931] cgroup: Unknown subsys name 'net' [ 43.714955] cgroup: Unknown subsys name 'cpuset' [ 43.731027] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program VM DIAGNOSIS: 22:06:02 Registers: info registers vcpu 0 RAX=ffffffff81a8b3bc RBX=0000000000000001 RCX=0000000000000001 RDX=ffff88801684fd01 RSI=ffff88801684fde8 RDI=ffff88801684fde8 RBP=ffff88806ce08ac8 RSP=ffff88806ce089f8 R8 =ffffffff86aaa4d8 R9 =ffff88806ce08ab0 R10=000000000003c9ed R11=000000000002308d R12=ffff88806ce08ad0 R13=ffff88806ce08ab8 R14=ffff88801684fdf0 R15=ffff88806ce08a70 RIP=ffffffff8135da23 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 00007f314418a900 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe3d00000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f314414f008 CR3=000000000dce2000 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=000000000001ed6b 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 fffffe0600000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f53752bd000 CR3=000000000e4d8000 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=057c5dd584f4eda7a046875484b43e4f XMM02=ec2efd57dc4c00df0000000000303a68 XMM03=f186117e041c71570000000000303b38 XMM04=0ea6d36633bd8f5100000000000ae988 XMM05=0b39c798a71319b60000000000320158 XMM06=8fede82a5ad58cbe000000000031ffe0 XMM07=e042d86d42eb936e000000000030f9f8 XMM08=f186117e041c71570000000000303b38 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000