syzkaller login: [ 38.904427] ------------[ cut here ]------------ [ 38.905327] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 38.907484] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/232 [ 38.909139] Modules linked in: [ 38.909848] CPU: 1 UID: 104 PID: 232 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 38.911888] Tainted: [W]=WARN [ 38.912518] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 38.914003] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 38.914960] 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 [ 38.918143] RSP: 0018:ffff888015807bc0 EFLAGS: 00010286 [ 38.919153] RAX: 0000000000000000 RBX: ffffed1002b00f78 RCX: ffffffff813a4050 [ 38.920459] RDX: ffff888015b20000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 38.921726] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002b00f2f [ 38.923056] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 38.924380] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888015807df8 [ 38.925664] FS: 00007fbdbf02f900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 38.927131] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 38.928202] CR2: 00007ffc0541eef8 CR3: 000000000c627000 CR4: 0000000000350ef0 [ 38.929480] Call Trace: [ 38.929940] [ 38.930348] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 38.931272] ? __create_object+0x59/0x80 [ 38.932048] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 38.933025] __vmalloc_noprof+0x59/0x60 [ 38.933774] bpf_prog_alloc_no_stats+0x55/0x470 [ 38.934646] ? __pfx_seccomp_check_filter+0x10/0x10 [ 38.935602] bpf_prog_alloc+0x39/0x200 [ 38.936292] ? __pfx_seccomp_check_filter+0x10/0x10 [ 38.937222] bpf_prog_create_from_user+0xb2/0x2f0 [ 38.938126] do_seccomp+0x349/0x25e0 [ 38.938879] ? find_held_lock+0x2b/0x80 [ 38.939649] ? do_prlimit+0x310/0x610 [ 38.940342] ? __pfx_do_seccomp+0x10/0x10 [ 38.941142] ? do_raw_spin_unlock+0x53/0x220 [ 38.941959] ? _raw_spin_unlock+0x1e/0x40 [ 38.942730] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 38.943738] ? static_key_count+0x60/0x80 [ 38.944544] prctl_set_seccomp+0x4e/0x70 [ 38.945285] __do_sys_prctl+0xe6c/0x1d70 [ 38.946083] ? __pfx___do_sys_prctl+0x10/0x10 [ 38.946974] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 38.947933] ? irqentry_exit+0xf3/0x650 [ 38.948703] do_syscall_64+0xbf/0x430 [ 38.949446] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 38.950404] RIP: 0033:0x7fbdbf5215cd [ 38.951093] 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 [ 38.954301] RSP: 002b:00007ffc0541c2f0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 38.955695] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fbdbf5215cd [ 38.956761] RDX: 000056434c332e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 38.957833] RBP: 00007ffc0541c350 R08: 0000000000000000 R09: 00007ffc0541b9f0 [ 38.958928] R10: 0000000000000000 R11: 0000000000000246 R12: 000056435fafe240 [ 38.960042] R13: 00007ffc0541c780 R14: 000056435fb07380 R15: 000056435fb12540 [ 38.961123] [ 38.961500] irq event stamp: 1829 [ 38.962023] hardirqs last enabled at (1837): [] __up_console_sem+0x78/0x80 [ 38.963310] hardirqs last disabled at (1846): [] __up_console_sem+0x5d/0x80 [ 38.964563] softirqs last enabled at (1354): [] handle_softirqs+0x50c/0x770 [ 38.965834] softirqs last disabled at (1349): [] __irq_exit_rcu+0xc4/0x100 [ 38.967120] ---[ end trace 0000000000000000 ]--- [ 41.785043] ------------[ cut here ]------------ [ 41.786032] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 41.788219] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/242 [ 41.789833] Modules linked in: [ 41.790526] CPU: 0 UID: 104 PID: 242 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 41.792695] Tainted: [W]=WARN [ 41.793289] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 41.794910] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 41.795919] 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 [ 41.798504] RSP: 0018:ffff88801a997bc0 EFLAGS: 00010286 [ 41.799155] RAX: 0000000000000000 RBX: ffffed1003532f78 RCX: ffffffff813a4050 [ 41.800016] RDX: ffff8880138f3780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 41.800878] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1003532f2f [ 41.801731] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 41.802587] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801a997df8 [ 41.803476] FS: 00007fc0bccd1900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 41.804437] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 41.805129] CR2: 00007fc0bd1c3580 CR3: 00000000100b2000 CR4: 0000000000350ef0 [ 41.805999] Call Trace: [ 41.806314] [ 41.806624] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 41.807212] ? __create_object+0x59/0x80 [ 41.807753] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 41.808410] __vmalloc_noprof+0x59/0x60 [ 41.808886] bpf_prog_alloc_no_stats+0x55/0x470 [ 41.809476] ? __pfx_seccomp_check_filter+0x10/0x10 [ 41.810073] bpf_prog_alloc+0x39/0x200 [ 41.810576] ? __pfx_seccomp_check_filter+0x10/0x10 [ 41.811177] bpf_prog_create_from_user+0xb2/0x2f0 [ 41.811789] do_seccomp+0x349/0x25e0 [ 41.812245] ? __pfx_css_rstat_updated+0x10/0x10 [ 41.812853] ? __pfx_do_seccomp+0x10/0x10 [ 41.813391] ? find_held_lock+0x2b/0x80 [ 41.813876] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 41.814533] ? static_key_count+0x60/0x80 [ 41.815054] prctl_set_seccomp+0x4e/0x70 [ 41.815598] __do_sys_prctl+0xe6c/0x1d70 [ 41.816095] ? __pfx___do_sys_prctl+0x10/0x10 [ 41.816684] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 41.817325] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 41.817997] ? irqentry_exit+0xf3/0x650 [ 41.818520] do_syscall_64+0xbf/0x430 [ 41.819003] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 41.819656] RIP: 0033:0x7fc0bd1c35cd [ 41.820108] 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 [ 41.822187] RSP: 002b:00007ffc0e559a40 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 41.823107] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fc0bd1c35cd [ 41.823956] RDX: 0000555f5e207e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 41.824809] RBP: 00007ffc0e559aa0 R08: 0000000000000000 R09: 00007ffc0e559140 [ 41.825661] R10: 0000000000000000 R11: 0000000000000246 R12: 0000555f857f2ad0 [ 41.826510] R13: 00007ffc0e559ed0 R14: 0000555f857f3bc0 R15: 0000555f85804780 [ 41.827393] [ 41.827678] irq event stamp: 1695 [ 41.828085] hardirqs last enabled at (1703): [] __up_console_sem+0x78/0x80 [ 41.829092] hardirqs last disabled at (1712): [] __up_console_sem+0x5d/0x80 [ 41.830097] softirqs last enabled at (1408): [] handle_softirqs+0x50c/0x770 [ 41.831129] softirqs last disabled at (1393): [] __irq_exit_rcu+0xc4/0x100 [ 41.832133] ---[ end trace 0000000000000000 ]--- [ 42.572717] ------------[ cut here ]------------ [ 42.573449] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.575038] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/250 [ 42.576179] Modules linked in: [ 42.576707] CPU: 1 UID: 104 PID: 250 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 42.578272] Tainted: [W]=WARN [ 42.578754] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.579918] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.580640] 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 [ 42.583148] RSP: 0018:ffff888016c47bc0 EFLAGS: 00010286 [ 42.583928] RAX: 0000000000000000 RBX: ffffed1002d88f78 RCX: ffffffff813a4050 [ 42.584936] RDX: ffff888016a2d340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.585951] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002d88f2f [ 42.586974] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.587990] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888016c47df8 [ 42.589005] FS: 00007f848bf86900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 42.590155] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.591004] CR2: 00007f848c478580 CR3: 000000000d32e000 CR4: 0000000000350ef0 [ 42.592017] Call Trace: [ 42.592422] [ 42.592750] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.593460] ? __create_object+0x59/0x80 [ 42.594053] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.594834] __vmalloc_noprof+0x59/0x60 [ 42.595430] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.596083] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.596829] bpf_prog_alloc+0x39/0x200 [ 42.597409] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.598107] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.598829] do_seccomp+0x349/0x25e0 [ 42.599404] ? __pfx_css_rstat_updated+0x10/0x10 [ 42.600084] ? __pfx_do_seccomp+0x10/0x10 [ 42.600713] ? find_held_lock+0x2b/0x80 [ 42.601281] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.602042] ? static_key_count+0x60/0x80 [ 42.602681] prctl_set_seccomp+0x4e/0x70 [ 42.603268] __do_sys_prctl+0xe6c/0x1d70 [ 42.603886] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.604560] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.605283] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.606045] ? irqentry_exit+0xf3/0x650 [ 42.606655] do_syscall_64+0xbf/0x430 [ 42.607216] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.607972] RIP: 0033:0x7f848c4785cd [ 42.608535] 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 [ 42.611040] RSP: 002b:00007ffd219be280 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.612112] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f848c4785cd [ 42.613130] RDX: 0000556de678be00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.614137] RBP: 00007ffd219be2e0 R08: 0000000000000000 R09: 00007ffd219bd980 [ 42.615159] R10: 0000000000000000 R11: 0000000000000246 R12: 0000556de9063bf0 [ 42.616182] R13: 00007ffd219be710 R14: 0000556de906d380 R15: 0000556de9078460 [ 42.617216] [ 42.617597] irq event stamp: 1679 [ 42.618077] hardirqs last enabled at (1687): [] __up_console_sem+0x78/0x80 [ 42.619289] hardirqs last disabled at (1696): [] __up_console_sem+0x5d/0x80 [ 42.620501] softirqs last enabled at (1184): [] handle_softirqs+0x50c/0x770 [ 42.621722] softirqs last disabled at (1179): [] __irq_exit_rcu+0xc4/0x100 [ 42.622926] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:22188' (ECDSA) to the list of known hosts. 2025/11/18 11:18:41 fuzzer started 2025/11/18 11:18:41 dialing manager at localhost:34383 2025/11/18 11:18:41 checking machine... 2025/11/18 11:18:41 checking revisions... [ 43.476798] kmemleak: Automatic memory scanning thread ended 2025/11/18 11:18:41 testing simple program... [ 43.563809] cgroup: Unknown subsys name 'net' [ 43.624501] cgroup: Unknown subsys name 'cpuset' [ 43.637873] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program VM DIAGNOSIS: 11:18:41 Registers: info registers vcpu 0 RAX=0000000000000000 RBX=ffff888016757d70 RCX=ffffffff83ee90f7 RDX=ffff8880138f5340 RSI=ffffffff81434987 RDI=ffff88801ca87500 RBP=ffff88801ca87500 RSP=ffff888016757c18 R8 =0000000000000001 R9 =ffffed10012f4a10 R10=0000000000000003 R11=0000000000000001 R12=0000000000000000 R13=ffff88800e63a000 R14=0000000000000014 R15=0000000000000014 RIP=ffffffff81751e08 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 00007fc0bccd1900 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=00007ffc0e553000 CR3=000000000eb36000 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 info registers vcpu 1 RAX=0000000000000000 RBX=ffffffff85f10a20 RCX=ffffffff8152d723 RDX=0000000000000001 RSI=0000000000000004 RDI=ffff88801a0d7c18 RBP=1ffff1100341af7f RSP=ffff88801a0d7bf0 R8 =0000000000000001 R9 =ffffed100341af83 R10=0000000000000003 R11=0000000000000001 R12=ffffffff85f10a28 R13=ffffffff85f10a30 R14=0000000000000001 R15=0000000000000cc0 RIP=ffffffff8152d734 RFL=00000046 [---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 00007f958181d900 00000000 00000000 GS =0000 ffff8880e548f000 00000000 00000000 LDT=0000 fffffe0b00000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=0000564019632f40 CR3=0000000010054000 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=0000000000ff00000000000000000000 XMM02=7273752f3a6e6962732f7273752f3a6e XMM03=62732f6c61636f6c2f7273752f3d4854 XMM04=2f2f2f2f2f2f2f2f2f2f2f2f2f2f2f2f XMM05=00000000000000000000000000000000 XMM06=00000000000000000000000000000000 XMM07=00000000000000000000000000000000 XMM08=00007f95818d95f000007f95818d9060 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000