[ 46.722775] ------------[ cut here ]------------ [ 46.723717] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 46.725757] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/235 [ 46.727220] Modules linked in: [ 46.727813] CPU: 1 UID: 104 PID: 235 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 46.730030] Tainted: [W]=WARN [ 46.730603] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 46.732122] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 46.733052] 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 [ 46.736186] RSP: 0018:ffff888017cc7bc0 EFLAGS: 00010286 [ 46.737150] RAX: 0000000000000000 RBX: ffffed1002f98f78 RCX: ffffffff813a4050 [ 46.738410] RDX: ffff88801b578000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 46.739683] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002f98f2f [ 46.740963] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 46.742224] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888017cc7df8 [ 46.743501] FS: 00007f8e53579900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 46.744914] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 46.745985] CR2: 00007fffd1a68ef8 CR3: 000000000e57a000 CR4: 0000000000350ef0 [ 46.747271] Call Trace: [ 46.747733] [ 46.748185] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 46.749069] ? __create_object+0x59/0x80 [ 46.749792] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 46.750750] __vmalloc_noprof+0x59/0x60 [ 46.751509] bpf_prog_alloc_no_stats+0x55/0x470 [ 46.752374] ? __pfx_seccomp_check_filter+0x10/0x10 [ 46.753305] bpf_prog_alloc+0x39/0x200 [ 46.754040] ? __pfx_seccomp_check_filter+0x10/0x10 [ 46.754922] bpf_prog_create_from_user+0xb2/0x2f0 [ 46.755813] do_seccomp+0x349/0x25e0 [ 46.756521] ? find_held_lock+0x2b/0x80 [ 46.757273] ? do_prlimit+0x310/0x610 [ 46.758006] ? __pfx_do_seccomp+0x10/0x10 [ 46.758749] ? do_raw_spin_unlock+0x53/0x220 [ 46.759564] ? _raw_spin_unlock+0x1e/0x40 [ 46.760331] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 46.761300] ? static_key_count+0x60/0x80 [ 46.762100] prctl_set_seccomp+0x4e/0x70 [ 46.762828] __do_sys_prctl+0xe6c/0x1d70 [ 46.763605] ? __pfx___do_sys_prctl+0x10/0x10 [ 46.764457] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 46.765422] ? irqentry_exit+0xf3/0x650 [ 46.766184] do_syscall_64+0xbf/0x430 [ 46.766881] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 46.767814] RIP: 0033:0x7f8e53a6b5cd [ 46.768512] 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 [ 46.771645] RSP: 002b:00007fffd1a673d0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 46.772994] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f8e53a6b5cd [ 46.774251] RDX: 000055f560b89e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 46.775542] RBP: 00007fffd1a67430 R08: 0000000000000000 R09: 00007fffd1a66ad0 [ 46.776802] R10: 0000000000000000 R11: 0000000000000246 R12: 000055f59e82a240 [ 46.778066] R13: 00007fffd1a67860 R14: 000055f59e829bf0 R15: 000055f59e83e4d0 [ 46.779352] [ 46.779771] irq event stamp: 1797 [ 46.780409] hardirqs last enabled at (1807): [] __up_console_sem+0x78/0x80 [ 46.781910] hardirqs last disabled at (1816): [] __up_console_sem+0x5d/0x80 [ 46.783383] softirqs last enabled at (1786): [] handle_softirqs+0x50c/0x770 [ 46.784675] softirqs last disabled at (1781): [] __irq_exit_rcu+0xc4/0x100 [ 46.785966] ---[ end trace 0000000000000000 ]--- Debian GNU/Linux 11 syzkaller ttyS0 syzkaller login: [ 49.673276] ------------[ cut here ]------------ [ 49.674226] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 49.676260] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/242 [ 49.677706] Modules linked in: [ 49.678333] CPU: 1 UID: 104 PID: 242 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 49.680421] Tainted: [W]=WARN [ 49.681064] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 49.682676] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 49.683587] 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 [ 49.687143] RSP: 0018:ffff888017307bc0 EFLAGS: 00010286 [ 49.688184] RAX: 0000000000000000 RBX: ffffed1002e60f78 RCX: ffffffff813a4050 [ 49.689456] RDX: ffff888016849bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 49.690750] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002e60f2f [ 49.692018] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 49.693284] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888017307df8 [ 49.694578] FS: 00007f7b28b00900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 49.696055] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 49.697125] CR2: 00007ffeb08ddef8 CR3: 000000001fcd8000 CR4: 0000000000350ef0 [ 49.698436] Call Trace: [ 49.698921] [ 49.699379] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 49.700285] ? __create_object+0x59/0x80 [ 49.701064] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 49.702059] __vmalloc_noprof+0x59/0x60 [ 49.702800] bpf_prog_alloc_no_stats+0x55/0x470 [ 49.703701] ? __pfx_seccomp_check_filter+0x10/0x10 [ 49.704652] bpf_prog_alloc+0x39/0x200 [ 49.705405] ? __pfx_seccomp_check_filter+0x10/0x10 [ 49.706377] bpf_prog_create_from_user+0xb2/0x2f0 [ 49.707336] do_seccomp+0x349/0x25e0 [ 49.708080] ? find_held_lock+0x2b/0x80 [ 49.708817] ? do_prlimit+0x310/0x610 [ 49.709558] ? __pfx_do_seccomp+0x10/0x10 [ 49.710362] ? do_raw_spin_unlock+0x53/0x220 [ 49.711230] ? _raw_spin_unlock+0x1e/0x40 [ 49.712015] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 49.713011] ? static_key_count+0x60/0x80 [ 49.713771] prctl_set_seccomp+0x4e/0x70 [ 49.714552] __do_sys_prctl+0xe6c/0x1d70 [ 49.715356] ? __pfx___do_sys_prctl+0x10/0x10 [ 49.716216] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 49.717209] ? irqentry_exit+0xf3/0x650 [ 49.717978] do_syscall_64+0xbf/0x430 [ 49.718688] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 49.719660] RIP: 0033:0x7f7b28ff25cd [ 49.720368] 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 [ 49.723569] RSP: 002b:00007ffeb08db900 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 49.724974] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f7b28ff25cd [ 49.726249] RDX: 00005627f8d6de00 RSI: 0000000000000002 RDI: 0000000000000016 [ 49.727569] RBP: 00007ffeb08db960 R08: 0000000000000000 R09: 00007ffeb08db000 [ 49.728862] R10: 0000000000000000 R11: 0000000000000246 R12: 0000562805299ad0 [ 49.730151] R13: 00007ffeb08dbd90 R14: 000056280529abc0 R15: 00005628052ab780 [ 49.731466] [ 49.731886] irq event stamp: 1743 [ 49.732543] hardirqs last enabled at (1753): [] __up_console_sem+0x78/0x80 [ 49.734057] hardirqs last disabled at (1770): [] __up_console_sem+0x5d/0x80 [ 49.735610] softirqs last enabled at (1768): [] handle_softirqs+0x50c/0x770 [ 49.737166] softirqs last disabled at (1761): [] __irq_exit_rcu+0xc4/0x100 [ 49.738686] ---[ end trace 0000000000000000 ]--- [ 50.559275] ------------[ cut here ]------------ [ 50.560007] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 50.561658] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/249 [ 50.562843] Modules linked in: [ 50.563358] CPU: 0 UID: 104 PID: 249 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 50.564956] Tainted: [W]=WARN [ 50.565398] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 50.566570] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 50.567338] 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 [ 50.569861] RSP: 0018:ffff88800ef17bc0 EFLAGS: 00010286 [ 50.570646] RAX: 0000000000000000 RBX: ffffed1001de2f78 RCX: ffffffff813a4050 [ 50.571687] RDX: ffff888017dcd340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 50.572710] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1001de2f2f [ 50.573714] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 50.574755] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88800ef17df8 [ 50.575777] FS: 00007f1b7bd54900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 50.576920] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.577741] CR2: 00007f1b7c246580 CR3: 000000000a179000 CR4: 0000000000350ef0 [ 50.578786] Call Trace: [ 50.579194] [ 50.579519] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 50.580239] ? __create_object+0x59/0x80 [ 50.580822] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 50.581583] __vmalloc_noprof+0x59/0x60 [ 50.582178] bpf_prog_alloc_no_stats+0x55/0x470 [ 50.582856] ? __pfx_seccomp_check_filter+0x10/0x10 [ 50.583600] bpf_prog_alloc+0x39/0x200 [ 50.584188] ? __pfx_seccomp_check_filter+0x10/0x10 [ 50.584880] bpf_prog_create_from_user+0xb2/0x2f0 [ 50.585587] do_seccomp+0x349/0x25e0 [ 50.586157] ? __pfx_css_rstat_updated+0x10/0x10 [ 50.586859] ? __pfx_do_seccomp+0x10/0x10 [ 50.587488] ? find_held_lock+0x2b/0x80 [ 50.588110] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 50.588837] ? static_key_count+0x60/0x80 [ 50.589479] prctl_set_seccomp+0x4e/0x70 [ 50.590092] __do_sys_prctl+0xe6c/0x1d70 [ 50.590693] ? __pfx___do_sys_prctl+0x10/0x10 [ 50.591392] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 50.592163] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 50.592888] ? irqentry_exit+0xf3/0x650 [ 50.593491] do_syscall_64+0xbf/0x430 [ 50.594068] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 50.594809] RIP: 0033:0x7f1b7c2465cd [ 50.595360] 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 [ 50.597832] RSP: 002b:00007ffc3309b040 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 50.598922] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f1b7c2465cd [ 50.599911] RDX: 000055ab14860e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 50.600954] RBP: 00007ffc3309b0a0 R08: 0000000000000000 R09: 00007ffc3309a740 [ 50.601915] R10: 0000000000000000 R11: 0000000000000246 R12: 000055ab2501ead0 [ 50.602967] R13: 00007ffc3309b4d0 R14: 000055ab2501fbc0 R15: 000055ab25030780 [ 50.603983] [ 50.604315] irq event stamp: 1789 [ 50.604782] hardirqs last enabled at (1797): [] __up_console_sem+0x78/0x80 [ 50.605972] hardirqs last disabled at (1806): [] __up_console_sem+0x5d/0x80 [ 50.607190] softirqs last enabled at (1598): [] handle_softirqs+0x50c/0x770 [ 50.608393] softirqs last disabled at (1587): [] __irq_exit_rcu+0xc4/0x100 [ 50.609571] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:45807' (ECDSA) to the list of known hosts. 2025/11/17 21:09:21 fuzzer started 2025/11/17 21:09:21 dialing manager at localhost:37895 2025/11/17 21:09:21 checking machine... 2025/11/17 21:09:21 checking revisions... [ 51.510964] kmemleak: Automatic memory scanning thread ended 2025/11/17 21:09:22 testing simple program... [ 51.598503] cgroup: Unknown subsys name 'net' [ 51.670820] cgroup: Unknown subsys name 'cpuset' [ 51.683648] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program VM DIAGNOSIS: 21:09:21 Registers: info registers vcpu 0 RAX=0000000000022005 RBX=ffff88800f6db780 RCX=0000000000000001 RDX=0000000000000005 RSI=0000000000000000 RDI=ffffffff85e1ffe0 RBP=ffff88800f6dc1d8 RSP=ffff88806ce08878 R8 =0000000000000000 R9 =0000000000000005 R10=0000000000000001 R11=0000000000000000 R12=ffff88800f6dc200 R13=0000000000000000 R14=0000000000000000 R15=0000000000000000 RIP=ffffffff815270d4 RFL=00000006 [-----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 00007f7b28b00900 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe7400000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f8ab8b2c030 CR3=000000001fcc0000 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=2030323a39303a313220373120766f4e XMM01=657463656e6e6f63736944203a5d3134 XMM02=302e303120746f6f722072657375206d XMM03=203a5d3134325b646873732072656c6c XMM04=69662068637573206f4e203a656c6163 XMM05=3a656c696620766e65206e65706f206f XMM06=65733a6468737328766e655f6d617020 XMM07=6b7a79732030323a39303a3132203731 XMM08=30343d7974696c696261706163202279 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=0000000000026993 RBX=0000000000000001 RCX=ffffffff84c72d57 RDX=0000000000000000 RSI=0000000000000000 RDI=ffffffff814d2c90 RBP=dffffc0000000000 RSP=ffff8880096efe58 R8 =0000000000000001 R9 =ffffed100d9e639a R10=ffff88806cf31cd3 R11=0000000000000001 R12=ffffffff8664f650 R13=1ffff110012ddfd2 R14=0000000000000000 R15=0000000000000000 RIP=ffffffff84c7174e RFL=00000206 [-----P-] 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 fffffe6d00000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007ffcde73bc88 CR3=000000000a173000 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=39303a313220373120766f4e3e36383c XMM01=7365733a646873732878696e755f6d61 XMM02=736f6c63206e6f6973736573203a296e XMM03=5f6d6170203a5d3134325b6468737320 XMM04=6456774875434142334f726f59427469 XMM05=485320415352203a3268737320303234 XMM06=206d6f726620746f6f7220726f662079 XMM07=00000000000000000000000000000000 XMM08=3a677562656420676f6c737973720000 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000