[ 39.314043] ------------[ cut here ]------------ [ 39.314838] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 39.316538] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/233 [ 39.317774] Modules linked in: [ 39.318334] CPU: 1 UID: 104 PID: 233 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 39.320059] Tainted: [W]=WARN [ 39.320518] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 39.321743] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 39.322513] 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 [ 39.325154] RSP: 0018:ffff888016597bc0 EFLAGS: 00010286 [ 39.325962] RAX: 0000000000000000 RBX: ffffed1002cb2f78 RCX: ffffffff813a4050 [ 39.327030] RDX: ffff8880163e0000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 39.328102] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002cb2f2f [ 39.329168] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 39.330231] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888016597df8 [ 39.331301] FS: 00007f7010205900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 39.332498] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 39.333394] CR2: 00007f70106f7580 CR3: 0000000009c83000 CR4: 0000000000350ef0 [ 39.334467] Call Trace: [ 39.334889] [ 39.335229] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 39.335972] ? __create_object+0x59/0x80 [ 39.336612] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.337432] __vmalloc_noprof+0x59/0x60 [ 39.338067] bpf_prog_alloc_no_stats+0x55/0x470 [ 39.338764] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.339525] bpf_prog_alloc+0x39/0x200 [ 39.340132] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.340905] bpf_prog_create_from_user+0xb2/0x2f0 [ 39.341610] do_seccomp+0x349/0x25e0 [ 39.342211] ? __pfx_css_rstat_updated+0x10/0x10 [ 39.342971] ? __pfx_do_seccomp+0x10/0x10 [ 39.343592] ? find_held_lock+0x2b/0x80 [ 39.344219] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 39.345016] ? static_key_count+0x60/0x80 [ 39.345643] prctl_set_seccomp+0x4e/0x70 [ 39.346307] __do_sys_prctl+0xe6c/0x1d70 [ 39.346949] ? __pfx___do_sys_prctl+0x10/0x10 [ 39.347633] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.348442] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 39.349231] ? irqentry_exit+0xf3/0x650 [ 39.349863] do_syscall_64+0xbf/0x430 [ 39.350460] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 39.351265] RIP: 0033:0x7f70106f75cd [ 39.351861] 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 [ 39.354527] RSP: 002b:00007ffc019cf770 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 39.355662] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f70106f75cd [ 39.356723] RDX: 000055a73c703e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 39.357805] RBP: 00007ffc019cf7d0 R08: 0000000000000000 R09: 00007ffc019cee70 [ 39.358880] R10: 0000000000000000 R11: 0000000000000246 R12: 000055a7457c7ad0 [ 39.359948] R13: 00007ffc019cfc00 R14: 000055a7457c8bc0 R15: 000055a7457d9780 [ 39.361034] [ 39.361384] irq event stamp: 1749 [ 39.361928] hardirqs last enabled at (1759): [] __up_console_sem+0x78/0x80 [ 39.363220] hardirqs last disabled at (1768): [] __up_console_sem+0x5d/0x80 [ 39.364483] softirqs last enabled at (1672): [] handle_softirqs+0x50c/0x770 [ 39.365803] softirqs last disabled at (1665): [] __irq_exit_rcu+0xc4/0x100 [ 39.367089] ---[ end trace 0000000000000000 ]--- Debian GNU/Linux 11 syzkaller ttyS0 syzkaller login: [ 42.366445] ------------[ cut here ]------------ [ 42.367276] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.368974] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/243 [ 42.370170] Modules linked in: [ 42.370674] CPU: 1 UID: 104 PID: 243 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 42.372305] Tainted: [W]=WARN [ 42.372763] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.373992] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.374726] 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 [ 42.377338] RSP: 0018:ffff888018807bc0 EFLAGS: 00010286 [ 42.378132] RAX: 0000000000000000 RBX: ffffed1003100f78 RCX: ffffffff813a4050 [ 42.379195] RDX: ffff888013d90000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.380241] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1003100f2f [ 42.381285] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.382344] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888018807df8 [ 42.383400] FS: 00007f92d8512900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 42.384585] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.385458] CR2: 00007f92d8a04580 CR3: 000000002034b000 CR4: 0000000000350ef0 [ 42.386550] Call Trace: [ 42.386965] [ 42.387303] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.388059] ? __create_object+0x59/0x80 [ 42.388672] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.389475] __vmalloc_noprof+0x59/0x60 [ 42.390094] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.390821] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.391559] bpf_prog_alloc+0x39/0x200 [ 42.392170] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.392945] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.393653] do_seccomp+0x349/0x25e0 [ 42.394258] ? __pfx_css_rstat_updated+0x10/0x10 [ 42.394996] ? __pfx_do_seccomp+0x10/0x10 [ 42.395621] ? find_held_lock+0x2b/0x80 [ 42.396248] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.397052] ? static_key_count+0x60/0x80 [ 42.397702] prctl_set_seccomp+0x4e/0x70 [ 42.398472] __do_sys_prctl+0xe6c/0x1d70 [ 42.399199] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.399900] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.400658] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.401465] ? irqentry_exit+0xf3/0x650 [ 42.402103] do_syscall_64+0xbf/0x430 [ 42.402693] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.403495] RIP: 0033:0x7f92d8a045cd [ 42.404075] 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 [ 42.406710] RSP: 002b:00007ffc20ef1000 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.407851] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f92d8a045cd [ 42.409116] RDX: 0000562a3ce6be00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.410343] RBP: 00007ffc20ef1060 R08: 0000000000000000 R09: 00007ffc20ef0700 [ 42.411688] R10: 0000000000000000 R11: 0000000000000246 R12: 0000562a63b66ad0 [ 42.412751] R13: 00007ffc20ef1490 R14: 0000562a63b67bc0 R15: 0000562a63b78780 [ 42.413822] [ 42.414174] irq event stamp: 2073 [ 42.414687] hardirqs last enabled at (2081): [] __up_console_sem+0x78/0x80 [ 42.416224] hardirqs last disabled at (2090): [] __up_console_sem+0x5d/0x80 [ 42.417695] softirqs last enabled at (1836): [] handle_softirqs+0x50c/0x770 [ 42.419070] softirqs last disabled at (1831): [] __irq_exit_rcu+0xc4/0x100 [ 42.420319] ---[ end trace 0000000000000000 ]--- [ 43.117154] ------------[ cut here ]------------ [ 43.118090] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 43.120140] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/250 [ 43.121623] Modules linked in: [ 43.122268] CPU: 0 UID: 104 PID: 250 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 43.124242] Tainted: [W]=WARN [ 43.124910] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 43.126377] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 43.127282] 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 [ 43.130443] RSP: 0018:ffff88800ac0fbc0 EFLAGS: 00010286 [ 43.131433] RAX: 0000000000000000 RBX: ffffed1001581f78 RCX: ffffffff813a4050 [ 43.132700] RDX: ffff888013d93780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 43.133998] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1001581f2f [ 43.135271] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 43.136539] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88800ac0fdf8 [ 43.137828] FS: 00007fc32f472900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 43.139276] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 43.140339] CR2: 00007fc32f964580 CR3: 00000000208aa000 CR4: 0000000000350ef0 [ 43.141623] Call Trace: [ 43.142127] [ 43.142552] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 43.143461] ? __create_object+0x59/0x80 [ 43.144253] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 43.145231] __vmalloc_noprof+0x59/0x60 [ 43.145998] bpf_prog_alloc_no_stats+0x55/0x470 [ 43.146908] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.147844] bpf_prog_alloc+0x39/0x200 [ 43.148541] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.149468] bpf_prog_create_from_user+0xb2/0x2f0 [ 43.150392] do_seccomp+0x349/0x25e0 [ 43.151130] ? __pfx_css_rstat_updated+0x10/0x10 [ 43.152047] ? __pfx_do_seccomp+0x10/0x10 [ 43.152854] ? find_held_lock+0x2b/0x80 [ 43.153578] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 43.154570] ? static_key_count+0x60/0x80 [ 43.155381] prctl_set_seccomp+0x4e/0x70 [ 43.156169] __do_sys_prctl+0xe6c/0x1d70 [ 43.156965] ? __pfx___do_sys_prctl+0x10/0x10 [ 43.157834] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 43.158768] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 43.159752] ? irqentry_exit+0xf3/0x650 [ 43.160523] do_syscall_64+0xbf/0x430 [ 43.161266] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 43.162251] RIP: 0033:0x7fc32f9645cd [ 43.162964] 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 [ 43.166148] RSP: 002b:00007ffe115574b0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 43.167525] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fc32f9645cd [ 43.168822] RDX: 0000564a2ebcce00 RSI: 0000000000000002 RDI: 0000000000000016 [ 43.170089] RBP: 00007ffe11557510 R08: 0000000000000000 R09: 00007ffe11556bb0 [ 43.171380] R10: 0000000000000000 R11: 0000000000000246 R12: 0000564a6aa14240 [ 43.172672] R13: 00007ffe11557940 R14: 0000564a6aa13bf0 R15: 0000564a6aa284d0 [ 43.173988] [ 43.174436] irq event stamp: 1743 [ 43.174928] hardirqs last enabled at (1753): [] __up_console_sem+0x78/0x80 [ 43.175895] hardirqs last disabled at (1762): [] __up_console_sem+0x5d/0x80 [ 43.176868] softirqs last enabled at (1666): [] handle_softirqs+0x50c/0x770 [ 43.177845] softirqs last disabled at (1661): [] __irq_exit_rcu+0xc4/0x100 [ 43.178761] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:15980' (ECDSA) to the list of known hosts. 2025/11/17 22:02:00 fuzzer started 2025/11/17 22:02:00 dialing manager at localhost:37895 2025/11/17 22:02:00 checking machine... 2025/11/17 22:02:00 checking revisions... [ 44.072082] kmemleak: Automatic memory scanning thread ended 2025/11/17 22:02:00 testing simple program... [ 44.173694] cgroup: Unknown subsys name 'net' [ 44.256228] cgroup: Unknown subsys name 'cpuset' [ 44.271498] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program VM DIAGNOSIS: 22:01:59 Registers: info registers vcpu 0 RAX=000000000003ff73 RBX=0000000000000000 RCX=ffffffff84c72d57 RDX=0000000000000000 RSI=0000000000000000 RDI=ffffffff814d2c90 RBP=dffffc0000000000 RSP=ffffffff85c07e00 R8 =0000000000000001 R9 =ffffed100d9c639a R10=ffff88806ce31cd3 R11=0000000000000001 R12=ffffffff8664f650 R13=1ffffffff0b80fc7 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 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe4f00000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007ffc20eeb000 CR3=0000000016508000 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=31303a323220373120766f4e3e36383c XMM01=7365733a646873732878696e755f6d61 XMM02=736f6c63206e6f6973736573203a296e XMM03=5f6d6170203a5d3234325b6468737320 XMM04=6456774875434142334f726f59427469 XMM05=485320415352203a3268737320383537 XMM06=206d6f726620746f6f7220726f662079 XMM07=00000000000000000000000000000000 XMM08=3a677562656420676f6c737973720000 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=0000000000000007 RBX=ffff888018990000 RCX=ffffffff816e15ef RDX=0000000000000000 RSI=0000000000000001 RDI=0000000000000000 RBP=0000000000000001 RSP=ffff888016ab7460 R8 =0000000000000001 R9 =0000000000000000 R10=0000000000000001 R11=0000000000000001 R12=1ffff11002d56e8f R13=ffff888018990008 R14=0000000000000001 R15=ffff888009cbf000 RIP=ffffffff81751798 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 00007f92d8512900 00000000 00000000 GS =0000 ffff8880e548f000 00000000 00000000 LDT=0000 fffffe6000000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f92d84f1020 CR3=0000000020375000 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