[ 38.973211] ------------[ cut here ]------------ [ 38.974242] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 38.976389] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/233 [ 38.977941] Modules linked in: [ 38.978606] CPU: 1 UID: 104 PID: 233 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 38.980789] Tainted: [W]=WARN [ 38.981372] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 38.982930] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 38.983967] 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 [ 38.987308] RSP: 0018:ffff88800f927bc0 EFLAGS: 00010286 [ 38.988379] RAX: 0000000000000000 RBX: ffffed1001f24f78 RCX: ffffffff813a4050 [ 38.989716] RDX: ffff888017003780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 38.991035] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1001f24f2f [ 38.992424] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 38.993774] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88800f927df8 [ 38.995130] FS: 00007f45000d2900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 38.996704] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 38.997814] CR2: 00007f45005c4580 CR3: 000000000d9d4000 CR4: 0000000000350ef0 [ 38.999164] Call Trace: [ 38.999786] [ 39.000218] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 39.001171] ? __create_object+0x59/0x80 [ 39.001982] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.002991] __vmalloc_noprof+0x59/0x60 [ 39.003847] bpf_prog_alloc_no_stats+0x55/0x470 [ 39.004767] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.005728] bpf_prog_alloc+0x39/0x200 [ 39.006447] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.007507] bpf_prog_create_from_user+0xb2/0x2f0 [ 39.008406] do_seccomp+0x349/0x25e0 [ 39.009171] ? __pfx_css_rstat_updated+0x10/0x10 [ 39.010129] ? __pfx_do_seccomp+0x10/0x10 [ 39.010970] ? find_held_lock+0x2b/0x80 [ 39.011828] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 39.012846] ? static_key_count+0x60/0x80 [ 39.013701] prctl_set_seccomp+0x4e/0x70 [ 39.014520] __do_sys_prctl+0xe6c/0x1d70 [ 39.015310] ? __pfx___do_sys_prctl+0x10/0x10 [ 39.016262] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.017304] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 39.018363] ? irqentry_exit+0xf3/0x650 [ 39.019174] do_syscall_64+0xbf/0x430 [ 39.020024] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 39.021059] RIP: 0033:0x7f45005c45cd [ 39.021810] 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 [ 39.025223] RSP: 002b:00007fffe8aec910 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 39.026675] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f45005c45cd [ 39.028084] RDX: 000055706133ae00 RSI: 0000000000000002 RDI: 0000000000000016 [ 39.029507] RBP: 00007fffe8aec970 R08: 0000000000000000 R09: 00007fffe8aec010 [ 39.030855] R10: 0000000000000000 R11: 0000000000000246 R12: 0000557068ae7ad0 [ 39.032239] R13: 00007fffe8aecda0 R14: 0000557068ae8bc0 R15: 0000557068af9780 [ 39.033595] [ 39.034034] irq event stamp: 1851 [ 39.034705] hardirqs last enabled at (1861): [] __up_console_sem+0x78/0x80 [ 39.036298] hardirqs last disabled at (1870): [] __up_console_sem+0x5d/0x80 [ 39.037700] softirqs last enabled at (1820): [] handle_softirqs+0x50c/0x770 [ 39.039120] softirqs last disabled at (1815): [] __irq_exit_rcu+0xc4/0x100 [ 39.040555] ---[ end trace 0000000000000000 ]--- Debian GNU/Linux 11 syzkaller ttyS0 syzkaller login: [ 42.363537] ------------[ cut here ]------------ [ 42.364412] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.366390] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/242 [ 42.367873] Modules linked in: [ 42.368524] CPU: 1 UID: 104 PID: 242 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 42.370483] Tainted: [W]=WARN [ 42.371051] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.372555] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.373406] 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 [ 42.376543] RSP: 0018:ffff8880162efbc0 EFLAGS: 00010286 [ 42.377516] RAX: 0000000000000000 RBX: ffffed1002c5df78 RCX: ffffffff813a4050 [ 42.378776] RDX: ffff888015c41bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.380055] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002c5df2f [ 42.381336] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.382622] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff8880162efdf8 [ 42.383918] FS: 00007f27817ea900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 42.385346] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.386410] CR2: 00007fff5ed2def8 CR3: 000000000be16000 CR4: 0000000000350ef0 [ 42.387708] Call Trace: [ 42.388180] [ 42.388639] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.389553] ? __create_object+0x59/0x80 [ 42.390283] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.391246] __vmalloc_noprof+0x59/0x60 [ 42.392021] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.392885] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.393812] bpf_prog_alloc+0x39/0x200 [ 42.394548] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.395418] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.396322] do_seccomp+0x349/0x25e0 [ 42.397032] ? find_held_lock+0x2b/0x80 [ 42.397791] ? do_prlimit+0x310/0x610 [ 42.398536] ? __pfx_do_seccomp+0x10/0x10 [ 42.399277] ? do_raw_spin_unlock+0x53/0x220 [ 42.400121] ? _raw_spin_unlock+0x1e/0x40 [ 42.400904] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.401872] ? static_key_count+0x60/0x80 [ 42.402671] prctl_set_seccomp+0x4e/0x70 [ 42.403394] __do_sys_prctl+0xe6c/0x1d70 [ 42.404201] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.405067] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.406040] ? irqentry_exit+0xf3/0x650 [ 42.406813] do_syscall_64+0xbf/0x430 [ 42.407577] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.408537] RIP: 0033:0x7f2781cdc5cd [ 42.409186] 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 [ 42.412306] RSP: 002b:00007fff5ed2c980 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.413644] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f2781cdc5cd [ 42.414900] RDX: 000055e51f6d2e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.416195] RBP: 00007fff5ed2c9e0 R08: 0000000000000000 R09: 00007fff5ed2c080 [ 42.417490] R10: 0000000000000000 R11: 0000000000000246 R12: 000055e52478dad0 [ 42.418762] R13: 00007fff5ed2ce10 R14: 000055e52478ebc0 R15: 000055e52479f780 [ 42.420072] [ 42.420531] irq event stamp: 1805 [ 42.421125] hardirqs last enabled at (1813): [] __up_console_sem+0x78/0x80 [ 42.422636] hardirqs last disabled at (1822): [] __up_console_sem+0x5d/0x80 [ 42.424148] softirqs last enabled at (1772): [] handle_softirqs+0x50c/0x770 [ 42.425669] softirqs last disabled at (1767): [] __irq_exit_rcu+0xc4/0x100 [ 42.427185] ---[ end trace 0000000000000000 ]--- [ 43.223708] ------------[ cut here ]------------ [ 43.224432] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 43.226123] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/250 [ 43.227328] Modules linked in: [ 43.227859] CPU: 1 UID: 104 PID: 250 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 43.229497] Tainted: [W]=WARN [ 43.229954] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 43.231161] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 43.231932] 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 [ 43.234548] RSP: 0018:ffff8880163a7bc0 EFLAGS: 00010286 [ 43.235322] RAX: 0000000000000000 RBX: ffffed1002c74f78 RCX: ffffffff813a4050 [ 43.236383] RDX: ffff888015d18000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 43.237452] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002c74f2f [ 43.238527] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 43.239591] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff8880163a7df8 [ 43.240660] FS: 00007f9d98a72900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 43.241859] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 43.242733] CR2: 00007f9d98f64580 CR3: 000000001eb00000 CR4: 0000000000350ef0 [ 43.243800] Call Trace: [ 43.244184] [ 43.244558] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 43.245267] ? __create_object+0x59/0x80 [ 43.245907] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 43.246720] __vmalloc_noprof+0x59/0x60 [ 43.247339] bpf_prog_alloc_no_stats+0x55/0x470 [ 43.248071] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.248828] bpf_prog_alloc+0x39/0x200 [ 43.249405] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.250157] bpf_prog_create_from_user+0xb2/0x2f0 [ 43.250912] do_seccomp+0x349/0x25e0 [ 43.251517] ? __pfx_css_rstat_updated+0x10/0x10 [ 43.252233] ? __pfx_do_seccomp+0x10/0x10 [ 43.252887] ? find_held_lock+0x2b/0x80 [ 43.253518] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 43.254284] ? static_key_count+0x60/0x80 [ 43.255138] prctl_set_seccomp+0x4e/0x70 [ 43.255835] __do_sys_prctl+0xe6c/0x1d70 [ 43.256448] ? __pfx___do_sys_prctl+0x10/0x10 [ 43.257153] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 43.257950] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 43.258754] ? irqentry_exit+0xf3/0x650 [ 43.259352] do_syscall_64+0xbf/0x430 [ 43.259969] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 43.260746] RIP: 0033:0x7f9d98f645cd [ 43.261287] 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 [ 43.263909] RSP: 002b:00007ffef1c918c0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 43.265030] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f9d98f645cd [ 43.266089] RDX: 0000560f135aae00 RSI: 0000000000000002 RDI: 0000000000000016 [ 43.267147] RBP: 00007ffef1c91920 R08: 0000000000000000 R09: 00007ffef1c90fc0 [ 43.268223] R10: 0000000000000000 R11: 0000000000000246 R12: 0000560f2ea3bb10 [ 43.269283] R13: 00007ffef1c91d50 R14: 0000560f2ea3c2b0 R15: 0000560f2ea506f0 [ 43.270354] [ 43.270740] irq event stamp: 1777 [ 43.271239] hardirqs last enabled at (1785): [] __up_console_sem+0x78/0x80 [ 43.272506] hardirqs last disabled at (1794): [] __up_console_sem+0x5d/0x80 [ 43.273762] softirqs last enabled at (1614): [] handle_softirqs+0x50c/0x770 [ 43.275034] softirqs last disabled at (1593): [] __irq_exit_rcu+0xc4/0x100 [ 43.276295] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:62824' (ECDSA) to the list of known hosts. 2025/11/18 13:28:18 fuzzer started 2025/11/18 13:28:18 dialing manager at localhost:34383 2025/11/18 13:28:18 checking machine... 2025/11/18 13:28:18 checking revisions... [ 44.205498] kmemleak: Automatic memory scanning thread ended 2025/11/18 13:28:19 testing simple program... [ 44.300694] cgroup: Unknown subsys name 'net' [ 44.368029] cgroup: Unknown subsys name 'cpuset' [ 44.382303] cgroup: Unknown subsys name 'rlimit' executing program executing program VM DIAGNOSIS: 13:28:18 Registers: info registers vcpu 0 RAX=dffffc0000000000 RBX=ffff8880e538f000 RCX=0000000000000001 RDX=0000000000000000 RSI=ffff888009627f28 RDI=ffff88806ce31cd0 RBP=ffff888009620000 RSP=ffff888009627770 R8 =0000000000000001 R9 =ffff888009627830 R10=000000000003c9ed R11=0000000000003ecc R12=ffff888009627801 R13=ffff888009627838 R14=ffff888009627f28 R15=ffff8880096277f0 RIP=ffffffff815bd130 RFL=00000216 [----AP-] 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 0000000000000000 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe5000000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f2781da1618 CR3=000000000d6ae000 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=563412feff00545000000000000080fe XMM01=6e69676f6c5f6d61702c78756e696c65 XMM02=755f6d61702c74696d7265705f6d6170 XMM03=2c766e655f6d61702c7374696d696c5f XMM04=6d61702c766e655f6d61702c7374696d XMM05=78696e755f6d61702c74696d7265705f XMM06=6469756e69676f6c5f6d61702c78756e XMM07=672065736f6c635f6e6f69737365733a XMM08=61662029286e65706f5f746964756100 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=0000000000013191 RBX=0000000000000000 RCX=ffffffff817d9966 RDX=0000000000000000 RSI=0000000000000000 RDI=ffffffff81b2e764 RBP=ffff8880096c78c0 RSP=ffff88800f1677b8 R8 =0000000000000001 R9 =0000000000000001 R10=ffffffff8664f857 R11=0000000000000000 R12=0000000000000200 R13=0000000000000001 R14=ffff888019e18280 R15=ffff8880096c78c0 RIP=ffffffff81b2e766 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 00007f27817ea900 00000000 00000000 GS =0000 ffff8880e548f000 00000000 00000000 LDT=0000 fffffe5300000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007fff5ed26000 CR3=000000000d6ae000 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