[ 39.367541] ------------[ cut here ]------------ [ 39.368517] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 39.370585] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/233 [ 39.373487] Modules linked in: [ 39.374083] CPU: 1 UID: 104 PID: 233 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 39.376135] Tainted: [W]=WARN [ 39.376755] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 39.378240] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 39.379170] 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 [ 39.382355] RSP: 0018:ffff8880165afbc0 EFLAGS: 00010286 [ 39.383330] RAX: 0000000000000000 RBX: ffffed1002cb5f78 RCX: ffffffff813a4050 [ 39.384645] RDX: ffff8880162e3780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 39.385933] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002cb5f2f [ 39.387227] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 39.388524] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff8880165afdf8 [ 39.389807] FS: 00007f0f8836d900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 39.391250] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 39.392314] CR2: 00007fffd730eef8 CR3: 000000000d35b000 CR4: 0000000000350ef0 [ 39.393624] Call Trace: [ 39.394084] [ 39.394538] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 39.395440] ? __create_object+0x59/0x80 [ 39.396177] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.397148] __vmalloc_noprof+0x59/0x60 [ 39.397923] bpf_prog_alloc_no_stats+0x55/0x470 [ 39.398790] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.399726] bpf_prog_alloc+0x39/0x200 [ 39.400483] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.401368] bpf_prog_create_from_user+0xb2/0x2f0 [ 39.402293] do_seccomp+0x349/0x25e0 [ 39.403018] ? find_held_lock+0x2b/0x80 [ 39.403806] ? do_prlimit+0x310/0x610 [ 39.404554] ? __pfx_do_seccomp+0x10/0x10 [ 39.405296] ? do_raw_spin_unlock+0x53/0x220 [ 39.406146] ? _raw_spin_unlock+0x1e/0x40 [ 39.406934] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 39.407922] ? static_key_count+0x60/0x80 [ 39.408743] prctl_set_seccomp+0x4e/0x70 [ 39.409532] __do_sys_prctl+0xe6c/0x1d70 [ 39.410280] ? __pfx___do_sys_prctl+0x10/0x10 [ 39.411153] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 39.412127] ? irqentry_exit+0xf3/0x650 [ 39.412913] do_syscall_64+0xbf/0x430 [ 39.413663] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 39.414629] RIP: 0033:0x7f0f8885f5cd [ 39.415290] 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 [ 39.418475] RSP: 002b:00007fffd730c900 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 39.419854] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f0f8885f5cd [ 39.421169] RDX: 00005593de609e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 39.422460] RBP: 00007fffd730c960 R08: 0000000000000000 R09: 00007fffd730c000 [ 39.423769] R10: 0000000000000000 R11: 0000000000000246 R12: 000055941b150ad0 [ 39.425073] R13: 00007fffd730cd90 R14: 000055941b151bc0 R15: 000055941b162780 [ 39.426415] [ 39.426844] irq event stamp: 2101 [ 39.427479] hardirqs last enabled at (2111): [] __up_console_sem+0x78/0x80 [ 39.429038] hardirqs last disabled at (2120): [] __up_console_sem+0x5d/0x80 [ 39.430553] softirqs last enabled at (2022): [] handle_softirqs+0x50c/0x770 [ 39.432092] softirqs last disabled at (2017): [] __irq_exit_rcu+0xc4/0x100 [ 39.433646] ---[ end trace 0000000000000000 ]--- Debian GNU/Linux 11 syzkaller ttyS0 syzkaller login: [ 42.749644] ------------[ cut here ]------------ [ 42.750523] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.752638] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/242 [ 42.754028] Modules linked in: [ 42.754630] CPU: 0 UID: 104 PID: 242 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 42.756541] Tainted: [W]=WARN [ 42.757084] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.758497] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.759319] 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 [ 42.762366] RSP: 0018:ffff88801ac2fbc0 EFLAGS: 00010286 [ 42.763302] RAX: 0000000000000000 RBX: ffffed1003585f78 RCX: ffffffff813a4050 [ 42.764539] RDX: ffff8880160a1bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.765793] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1003585f2f [ 42.767030] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.768257] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801ac2fdf8 [ 42.769514] FS: 00007f0f679e3900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 42.770902] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.771930] CR2: 00007f0f67ed5580 CR3: 000000000dadd000 CR4: 0000000000350ef0 [ 42.773174] Call Trace: [ 42.773652] [ 42.774049] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.774909] ? __create_object+0x59/0x80 [ 42.775644] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.776575] __vmalloc_noprof+0x59/0x60 [ 42.777259] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.778090] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.778992] bpf_prog_alloc+0x39/0x200 [ 42.779697] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.780603] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.781470] do_seccomp+0x349/0x25e0 [ 42.782120] ? __pfx_css_rstat_updated+0x10/0x10 [ 42.782982] ? __pfx_do_seccomp+0x10/0x10 [ 42.783728] ? find_held_lock+0x2b/0x80 [ 42.784442] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.785339] ? static_key_count+0x60/0x80 [ 42.786104] prctl_set_seccomp+0x4e/0x70 [ 42.786835] __do_sys_prctl+0xe6c/0x1d70 [ 42.787570] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.788344] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.789274] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.790216] ? irqentry_exit+0xf3/0x650 [ 42.790945] do_syscall_64+0xbf/0x430 [ 42.791644] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.792576] RIP: 0033:0x7f0f67ed55cd [ 42.793216] 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 [ 42.796259] RSP: 002b:00007fffc7fb7b60 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.797589] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f0f67ed55cd [ 42.798808] RDX: 000055696c00fe00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.800047] RBP: 00007fffc7fb7bc0 R08: 0000000000000000 R09: 00007fffc7fb7260 [ 42.801291] R10: 0000000000000000 R11: 0000000000000246 R12: 00005569950f1bf0 [ 42.802539] R13: 00007fffc7fb7ff0 R14: 00005569950fb380 R15: 0000556995106460 [ 42.803796] [ 42.804200] irq event stamp: 1761 [ 42.804841] hardirqs last enabled at (1771): [] __up_console_sem+0x78/0x80 [ 42.806313] hardirqs last disabled at (1780): [] __up_console_sem+0x5d/0x80 [ 42.807764] softirqs last enabled at (1730): [] handle_softirqs+0x50c/0x770 [ 42.809264] softirqs last disabled at (1725): [] __irq_exit_rcu+0xc4/0x100 [ 42.810707] ---[ end trace 0000000000000000 ]--- [ 43.632788] ------------[ cut here ]------------ [ 43.633759] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 43.635781] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/250 [ 43.637248] Modules linked in: [ 43.637926] CPU: 0 UID: 104 PID: 250 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 43.639924] Tainted: [W]=WARN [ 43.640552] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 43.642050] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 43.642978] 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 [ 43.646169] RSP: 0018:ffff888017867bc0 EFLAGS: 00010286 [ 43.647169] RAX: 0000000000000000 RBX: ffffed1002f0cf78 RCX: ffffffff813a4050 [ 43.648475] RDX: ffff88801ad08000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 43.649786] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002f0cf2f [ 43.651093] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 43.652413] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888017867df8 [ 43.653741] FS: 00007f7c9edee900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 43.655213] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 43.656301] CR2: 00007ffc26523ef8 CR3: 000000000d8bb000 CR4: 0000000000350ef0 [ 43.657633] Call Trace: [ 43.658113] [ 43.658581] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 43.659498] ? __create_object+0x59/0x80 [ 43.660253] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 43.661256] __vmalloc_noprof+0x59/0x60 [ 43.662034] bpf_prog_alloc_no_stats+0x55/0x470 [ 43.662934] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.663893] bpf_prog_alloc+0x39/0x200 [ 43.664663] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.665636] bpf_prog_create_from_user+0xb2/0x2f0 [ 43.666568] do_seccomp+0x349/0x25e0 [ 43.667250] ? find_held_lock+0x2b/0x80 [ 43.668037] ? do_prlimit+0x310/0x610 [ 43.668832] ? __pfx_do_seccomp+0x10/0x10 [ 43.669643] ? do_raw_spin_unlock+0x53/0x220 [ 43.670505] ? _raw_spin_unlock+0x1e/0x40 [ 43.671248] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 43.672229] ? static_key_count+0x60/0x80 [ 43.673059] prctl_set_seccomp+0x4e/0x70 [ 43.673857] __do_sys_prctl+0xe6c/0x1d70 [ 43.674669] ? __pfx___do_sys_prctl+0x10/0x10 [ 43.675565] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 43.676584] ? irqentry_exit+0xf3/0x650 [ 43.677316] do_syscall_64+0xbf/0x430 [ 43.678068] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 43.679050] RIP: 0033:0x7f7c9f2e05cd [ 43.679777] 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 [ 43.683000] RSP: 002b:00007ffc26521f40 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 43.684393] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f7c9f2e05cd [ 43.685740] RDX: 000055d5a19cde00 RSI: 0000000000000002 RDI: 0000000000000016 [ 43.687049] RBP: 00007ffc26521fa0 R08: 0000000000000000 R09: 00007ffc26521640 [ 43.688345] R10: 0000000000000000 R11: 0000000000000246 R12: 000055d5d74272b0 [ 43.689698] R13: 00007ffc265223d0 R14: 000055d5d7429d20 R15: 000055d5d743b8d0 [ 43.691020] [ 43.691497] irq event stamp: 1767 [ 43.692130] hardirqs last enabled at (1775): [] __up_console_sem+0x78/0x80 [ 43.693687] hardirqs last disabled at (1784): [] __up_console_sem+0x5d/0x80 [ 43.695247] softirqs last enabled at (1744): [] handle_softirqs+0x50c/0x770 [ 43.696826] softirqs last disabled at (1739): [] __irq_exit_rcu+0xc4/0x100 [ 43.698367] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:61011' (ECDSA) to the list of known hosts. 2025/11/18 18:31:05 fuzzer started 2025/11/18 18:31:05 dialing manager at localhost:34383 2025/11/18 18:31:05 checking machine... 2025/11/18 18:31:05 checking revisions... [ 44.575822] kmemleak: Automatic memory scanning thread ended 2025/11/18 18:31:05 testing simple program... [ 44.655419] cgroup: Unknown subsys name 'net' [ 44.722488] cgroup: Unknown subsys name 'cpuset' [ 44.741963] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program VM DIAGNOSIS: 18:31:04 Registers: info registers vcpu 0 RAX=0000000000000000 RBX=0000000000000006 RCX=ffffffff84c013e7 RDX=ffff88801a353780 RSI=0000000000000006 RDI=0000000000000007 RBP=ffff88800e6b0000 RSP=ffff8880163b6d28 R8 =ffff888016e6120c R9 =ffff888016e6100c R10=0000000000000006 R11=ffff888016e6100c R12=ffff888016e6081c R13=0000000000000000 R14=ffff888008c6f3c0 R15=0000000000000002 RIP=ffffffff81751e00 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 00007f0f679e3900 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe4400000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f0f679c2020 CR3=000000000fa90000 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=000000000002b17f 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 fffffe4300000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007ffc9607df58 CR3=000000000d4bb000 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=9dd2371288aeb19fb945c0822f783869 XMM02=0000000000304e18ec2efd57dc4c00df XMM03=000000000030d650a96f79ac15592489 XMM04=6a6329da677a5ef000000000000ae988 XMM05=090f1556b20111b3000000000031f108 XMM06=67f65aeeb8ebf7f6000000000031e920 XMM07=e042d86d42eb936e000000000030e348 XMM08=a96f79ac155924890000000000304e78 XMM09=00000000000000000000000000000000 XMM10=20200000000020202020202020200000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000