[ 39.144700] ------------[ cut here ]------------ [ 39.145331] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 39.146773] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/233 [ 39.147806] Modules linked in: [ 39.148222] CPU: 1 UID: 104 PID: 233 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 39.149614] Tainted: [W]=WARN [ 39.150004] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 39.151042] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 39.151683] 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 [ 39.153935] RSP: 0018:ffff8880171afbc0 EFLAGS: 00010286 [ 39.154628] RAX: 0000000000000000 RBX: ffffed1002e35f78 RCX: ffffffff813a4050 [ 39.155541] RDX: ffff88801b89b780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 39.156411] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002e35f2f [ 39.157311] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 39.158215] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff8880171afdf8 [ 39.159125] FS: 00007fe017378900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 39.160133] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 39.160884] CR2: 00007fe0178de4a6 CR3: 000000001d1f3000 CR4: 0000000000350ef0 [ 39.161787] Call Trace: [ 39.162116] [ 39.162402] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 39.163038] ? __create_object+0x59/0x80 [ 39.163583] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.164234] __vmalloc_noprof+0x59/0x60 [ 39.164772] bpf_prog_alloc_no_stats+0x55/0x470 [ 39.165362] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.166017] bpf_prog_alloc+0x39/0x200 [ 39.166538] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.167167] bpf_prog_create_from_user+0xb2/0x2f0 [ 39.167811] do_seccomp+0x349/0x25e0 [ 39.168286] ? find_held_lock+0x2b/0x80 [ 39.168823] ? do_prlimit+0x310/0x610 [ 39.169316] ? __pfx_do_seccomp+0x10/0x10 [ 39.169872] ? do_raw_spin_unlock+0x53/0x220 [ 39.170428] ? _raw_spin_unlock+0x1e/0x40 [ 39.170988] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 39.171669] ? static_key_count+0x60/0x80 [ 39.172203] prctl_set_seccomp+0x4e/0x70 [ 39.172748] __do_sys_prctl+0xe6c/0x1d70 [ 39.173269] ? __pfx___do_sys_prctl+0x10/0x10 [ 39.173873] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 39.174555] ? irqentry_exit+0xf3/0x650 [ 39.175088] do_syscall_64+0xbf/0x430 [ 39.175608] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 39.176242] RIP: 0033:0x7fe01786a5cd [ 39.176733] 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 [ 39.178946] RSP: 002b:00007ffe9471e0a0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 39.179889] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fe01786a5cd [ 39.180778] RDX: 000055ed89a1ee00 RSI: 0000000000000002 RDI: 0000000000000016 [ 39.181675] RBP: 00007ffe9471e100 R08: 0000000000000000 R09: 00007ffe9471d7a0 [ 39.182564] R10: 0000000000000000 R11: 0000000000000246 R12: 000055ed8b4802b0 [ 39.183435] R13: 00007ffe9471e530 R14: 000055ed8b482d20 R15: 000055ed8b4948d0 [ 39.184342] [ 39.184659] irq event stamp: 1663 [ 39.185082] hardirqs last enabled at (1671): [] __up_console_sem+0x78/0x80 [ 39.186141] hardirqs last disabled at (1680): [] __up_console_sem+0x5d/0x80 [ 39.187214] softirqs last enabled at (1236): [] handle_softirqs+0x50c/0x770 [ 39.188291] softirqs last disabled at (1229): [] __irq_exit_rcu+0xc4/0x100 [ 39.189350] ---[ end trace 0000000000000000 ]--- Debian GNU/Linux 11 syzkaller ttyS0 syzkaller login: [ 42.199335] ------------[ cut here ]------------ [ 42.200356] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.202612] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/241 [ 42.204174] Modules linked in: [ 42.204872] CPU: 1 UID: 104 PID: 241 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 42.207108] Tainted: [W]=WARN [ 42.207775] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.209421] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.210447] 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 [ 42.214038] RSP: 0018:ffff88800ef27bc0 EFLAGS: 00010286 [ 42.215145] RAX: 0000000000000000 RBX: ffffed1001de4f78 RCX: ffffffff813a4050 [ 42.216595] RDX: ffff88801b898000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.218040] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1001de4f2f [ 42.219489] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.220952] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88800ef27df8 [ 42.222386] FS: 00007ff9e0ef5900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 42.224006] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.225199] CR2: 00007ff9e13e7580 CR3: 000000000dfdc000 CR4: 0000000000350ef0 [ 42.226637] Call Trace: [ 42.227152] [ 42.227637] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.228598] ? __create_object+0x59/0x80 [ 42.229395] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.230433] __vmalloc_noprof+0x59/0x60 [ 42.231266] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.232205] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.233208] bpf_prog_alloc+0x39/0x200 [ 42.233995] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.235006] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.235978] do_seccomp+0x349/0x25e0 [ 42.236748] ? __pfx_css_rstat_updated+0x10/0x10 [ 42.237709] ? __pfx_do_seccomp+0x10/0x10 [ 42.238551] ? find_held_lock+0x2b/0x80 [ 42.239329] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.240354] ? static_key_count+0x60/0x80 [ 42.241201] prctl_set_seccomp+0x4e/0x70 [ 42.242036] __do_sys_prctl+0xe6c/0x1d70 [ 42.242893] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.243818] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.244865] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.245902] ? irqentry_exit+0xf3/0x650 [ 42.246727] do_syscall_64+0xbf/0x430 [ 42.247562] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.248591] RIP: 0033:0x7ff9e13e75cd [ 42.249300] 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 [ 42.252739] RSP: 002b:00007ffe594be570 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.254197] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ff9e13e75cd [ 42.255582] RDX: 00005610dff7be00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.256961] RBP: 00007ffe594be5d0 R08: 0000000000000000 R09: 00007ffe594bdc70 [ 42.258334] R10: 0000000000000000 R11: 0000000000000246 R12: 000056110b9a5ad0 [ 42.259725] R13: 00007ffe594bea00 R14: 000056110b9a6bc0 R15: 000056110b9b7780 [ 42.261121] [ 42.261606] irq event stamp: 1725 [ 42.262263] hardirqs last enabled at (1733): [] __up_console_sem+0x78/0x80 [ 42.263910] hardirqs last disabled at (1742): [] __up_console_sem+0x5d/0x80 [ 42.265536] softirqs last enabled at (1322): [] handle_softirqs+0x50c/0x770 [ 42.267231] softirqs last disabled at (1317): [] __irq_exit_rcu+0xc4/0x100 [ 42.268719] ---[ end trace 0000000000000000 ]--- [ 43.105411] ------------[ cut here ]------------ [ 43.106318] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 43.108317] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/248 [ 43.109747] Modules linked in: [ 43.110327] CPU: 1 UID: 104 PID: 248 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 43.112278] Tainted: [W]=WARN [ 43.112870] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 43.114305] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 43.115214] 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 [ 43.118331] RSP: 0018:ffff8880173dfbc0 EFLAGS: 00010286 [ 43.119299] RAX: 0000000000000000 RBX: ffffed1002e7bf78 RCX: ffffffff813a4050 [ 43.120573] RDX: ffff888015f58000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 43.121849] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002e7bf2f [ 43.123137] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 43.124407] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff8880173dfdf8 [ 43.125678] FS: 00007f1c88212900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 43.127096] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 43.128137] CR2: 00007f1c88704580 CR3: 000000001d2e5000 CR4: 0000000000350ef0 [ 43.129401] Call Trace: [ 43.129913] [ 43.130316] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 43.131216] ? __create_object+0x59/0x80 [ 43.131997] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 43.132972] __vmalloc_noprof+0x59/0x60 [ 43.133727] bpf_prog_alloc_no_stats+0x55/0x470 [ 43.134609] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.135566] bpf_prog_alloc+0x39/0x200 [ 43.136263] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.137201] bpf_prog_create_from_user+0xb2/0x2f0 [ 43.138113] do_seccomp+0x349/0x25e0 [ 43.138837] ? __pfx_css_rstat_updated+0x10/0x10 [ 43.139763] ? __pfx_do_seccomp+0x10/0x10 [ 43.140564] ? find_held_lock+0x2b/0x80 [ 43.141283] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 43.142250] ? static_key_count+0x60/0x80 [ 43.143069] prctl_set_seccomp+0x4e/0x70 [ 43.143848] __do_sys_prctl+0xe6c/0x1d70 [ 43.144641] ? __pfx___do_sys_prctl+0x10/0x10 [ 43.145452] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 43.146416] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 43.147386] ? irqentry_exit+0xf3/0x650 [ 43.148162] do_syscall_64+0xbf/0x430 [ 43.148905] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 43.149862] RIP: 0033:0x7f1c887045cd [ 43.150567] 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 [ 43.153762] RSP: 002b:00007ffc76bfebb0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 43.155137] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f1c887045cd [ 43.156428] RDX: 000055aa634c6e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 43.157728] RBP: 00007ffc76bfec10 R08: 0000000000000000 R09: 00007ffc76bfe2b0 [ 43.159031] R10: 0000000000000000 R11: 0000000000000246 R12: 000055aa6c80aad0 [ 43.160182] R13: 00007ffc76bff040 R14: 000055aa6c80bbc0 R15: 000055aa6c81c780 [ 43.161272] [ 43.161665] irq event stamp: 1703 [ 43.162185] hardirqs last enabled at (1711): [] __up_console_sem+0x78/0x80 [ 43.163485] hardirqs last disabled at (1720): [] __up_console_sem+0x5d/0x80 [ 43.164811] softirqs last enabled at (1660): [] handle_softirqs+0x50c/0x770 [ 43.166116] softirqs last disabled at (1655): [] __irq_exit_rcu+0xc4/0x100 [ 43.167393] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:26172' (ECDSA) to the list of known hosts. 2025/11/18 03:06:39 fuzzer started 2025/11/18 03:06:40 dialing manager at localhost:37895 2025/11/18 03:06:40 checking machine... 2025/11/18 03:06:40 checking revisions... [ 44.078828] kmemleak: Automatic memory scanning thread ended 2025/11/18 03:06:40 testing simple program... [ 44.171330] cgroup: Unknown subsys name 'net' [ 44.243423] cgroup: Unknown subsys name 'cpuset' [ 44.257401] cgroup: Unknown subsys name 'rlimit' executing program executing program VM DIAGNOSIS: 03:06:39 Registers: info registers vcpu 0 RAX=dffffc0000000000 RBX=ffff8880e538f000 RCX=0000000000000002 RDX=0000000000000000 RSI=0000000000000000 RDI=ffff88806ce31cd0 RBP=ffffffff85e1ffe0 RSP=ffff88800a4beeb0 R8 =0000000000000000 R9 =0000000000000000 R10=0000000000000000 R11=0000000000000001 R12=0000000000000002 R13=0000000000000000 R14=0000000000000000 R15=ffff88800a4befb0 RIP=ffffffff815bcfa0 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 fffffe4000000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007ff9e14ad0b0 CR3=000000000c044000 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=000000000000000000000000000000ff XMM02=000000000000000000000000000000ff XMM03=5320444f4854454d5f54505952434e45 XMM04=40404040404040404040404040404040 XMM05=5a5a5a5a5a5a5a5a5a5a5a5a5a5a5a5a XMM06=20202020202020202020202020202020 XMM07=00000000000000000000000000000000 XMM08=ffbc64ffffbc44ffffbc34ffffbc9f00 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=ffffffff88944e20 RBX=ffff888009763780 RCX=0000000000000000 RDX=0000000000000000 RSI=0000000000000000 RDI=ffff888019e16508 RBP=ffff888019e16508 RSP=ffff888009787860 R8 =0000000000000001 R9 =0000000000000001 R10=0000000000000001 R11=0000000000000001 R12=0000000000000000 R13=0000000000000000 R14=0000000000000000 R15=0000000000000000 RIP=ffffffff81526f24 RFL=00000002 [-------] 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 ffff8880e548f000 00000000 00000000 LDT=0000 fffffe6300000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007fffa144d538 CR3=0000000005c8a000 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=00007f5a529575100000559c80631790 XMM02=6f6974707972636e6561737268746977 XMM03=00000000000000000000000000777074 XMM04=40404040404040404040404040404040 XMM05=5a5a5a5a5a5a5a5a5a5a5a5a5a5a5a5a XMM06=20202020202020202020202020202020 XMM07=ffffffffffff00ffffff00ffffff00ff XMM08=00002000000000202020002020200000 XMM09=ffffffffffff00ffffff00ffffff00ff XMM10=00002000000000202020002020200000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000