[ 39.222395] ------------[ cut here ]------------ [ 39.223134] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 39.224725] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/232 [ 39.225926] Modules linked in: [ 39.226462] CPU: 0 UID: 104 PID: 232 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 39.228057] Tainted: [W]=WARN [ 39.228544] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 39.229730] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 39.230494] 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 [ 39.233077] RSP: 0018:ffff88801913fbc0 EFLAGS: 00010286 [ 39.233867] RAX: 0000000000000000 RBX: ffffed1003227f78 RCX: ffffffff813a4050 [ 39.234924] RDX: ffff888015d55340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 39.235962] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1003227f2f [ 39.236989] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000400dc0 [ 39.238025] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801913fdf8 [ 39.239075] FS: 00007fa7a71df900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 39.240244] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 39.241091] CR2: 00007fa7a77454a6 CR3: 000000000767d000 CR4: 0000000000350ef0 [ 39.242138] Call Trace: [ 39.242548] [ 39.242876] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 39.243587] ? __create_object+0x59/0x80 [ 39.244185] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.244970] __vmalloc_noprof+0x59/0x60 [ 39.245574] bpf_prog_alloc_no_stats+0x55/0x470 [ 39.246278] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.247036] bpf_prog_alloc+0x39/0x200 [ 39.247648] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.248427] bpf_prog_create_from_user+0xb2/0x2f0 [ 39.249145] do_seccomp+0x349/0x25e0 [ 39.249745] ? find_held_lock+0x2b/0x80 [ 39.250385] ? do_prlimit+0x310/0x610 [ 39.251052] ? __pfx_do_seccomp+0x10/0x10 [ 39.251687] ? do_raw_spin_unlock+0x53/0x220 [ 39.252366] ? _raw_spin_unlock+0x1e/0x40 [ 39.252959] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 39.253738] ? static_key_count+0x60/0x80 [ 39.254389] prctl_set_seccomp+0x4e/0x70 [ 39.254991] __do_sys_prctl+0xe6c/0x1d70 [ 39.255615] ? __pfx___do_sys_prctl+0x10/0x10 [ 39.256342] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 39.257119] ? irqentry_exit+0xf3/0x650 [ 39.257748] do_syscall_64+0xbf/0x430 [ 39.258336] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 39.259075] RIP: 0033:0x7fa7a76d15cd [ 39.259666] 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 [ 39.262331] RSP: 002b:00007ffe3c713fa0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 39.263442] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fa7a76d15cd [ 39.264478] RDX: 0000557ffd344e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 39.265503] RBP: 00007ffe3c714000 R08: 0000000000000000 R09: 00007ffe3c7136a0 [ 39.266573] R10: 0000000000000000 R11: 0000000000000246 R12: 000055800aee82b0 [ 39.267659] R13: 00007ffe3c714430 R14: 000055800aeead20 R15: 000055800aefc8d0 [ 39.268746] [ 39.269099] irq event stamp: 1825 [ 39.269646] hardirqs last enabled at (1835): [] __up_console_sem+0x78/0x80 [ 39.270896] hardirqs last disabled at (1844): [] __up_console_sem+0x5d/0x80 [ 39.272163] softirqs last enabled at (1326): [] handle_softirqs+0x50c/0x770 [ 39.273457] softirqs last disabled at (1315): [] __irq_exit_rcu+0xc4/0x100 [ 39.274690] ---[ end trace 0000000000000000 ]--- Debian GNU/Linux 11 syzkaller ttyS0 syzkaller login: [ 42.018304] ------------[ cut here ]------------ [ 42.019248] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.021278] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/241 [ 42.022961] Modules linked in: [ 42.023665] CPU: 1 UID: 104 PID: 241 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 42.025642] Tainted: [W]=WARN [ 42.026253] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.027741] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.028638] 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 [ 42.031847] RSP: 0018:ffff888019ecfbc0 EFLAGS: 00010286 [ 42.032837] RAX: 0000000000000000 RBX: ffffed10033d9f78 RCX: ffffffff813a4050 [ 42.034117] RDX: ffff88801922b780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.035411] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed10033d9f2f [ 42.036708] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.037988] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888019ecfdf8 [ 42.039330] FS: 00007f321495c900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 42.040776] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.041846] CR2: 00007ffe57ff2ef8 CR3: 000000000ff07000 CR4: 0000000000350ef0 [ 42.043156] Call Trace: [ 42.043670] [ 42.044095] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.044988] ? __create_object+0x59/0x80 [ 42.045783] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.046791] __vmalloc_noprof+0x59/0x60 [ 42.047557] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.048486] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.049498] bpf_prog_alloc+0x39/0x200 [ 42.050257] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.051156] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.052067] do_seccomp+0x349/0x25e0 [ 42.052795] ? find_held_lock+0x2b/0x80 [ 42.053562] ? do_prlimit+0x310/0x610 [ 42.054317] ? __pfx_do_seccomp+0x10/0x10 [ 42.055090] ? do_raw_spin_unlock+0x53/0x220 [ 42.056007] ? _raw_spin_unlock+0x1e/0x40 [ 42.056808] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.057802] ? static_key_count+0x60/0x80 [ 42.058628] prctl_set_seccomp+0x4e/0x70 [ 42.059425] __do_sys_prctl+0xe6c/0x1d70 [ 42.060180] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.061063] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.062032] ? irqentry_exit+0xf3/0x650 [ 42.062814] do_syscall_64+0xbf/0x430 [ 42.063569] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.064528] RIP: 0033:0x7f3214e4e5cd [ 42.065251] 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 [ 42.068463] RSP: 002b:00007ffe57ff14c0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.069836] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f3214e4e5cd [ 42.071143] RDX: 0000564f842ebe00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.072425] RBP: 00007ffe57ff1520 R08: 0000000000000000 R09: 00007ffe57ff0bc0 [ 42.073720] R10: 0000000000000000 R11: 0000000000000246 R12: 0000564fb8929ad0 [ 42.075043] R13: 00007ffe57ff1950 R14: 0000564fb892abc0 R15: 0000564fb893b780 [ 42.076350] [ 42.076787] irq event stamp: 1807 [ 42.077448] hardirqs last enabled at (1817): [] __up_console_sem+0x78/0x80 [ 42.079014] hardirqs last disabled at (1826): [] __up_console_sem+0x5d/0x80 [ 42.080529] softirqs last enabled at (1766): [] handle_softirqs+0x50c/0x770 [ 42.082080] softirqs last disabled at (1761): [] __irq_exit_rcu+0xc4/0x100 [ 42.083541] ---[ end trace 0000000000000000 ]--- [ 42.857359] ------------[ cut here ]------------ [ 42.857804] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.858740] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/250 [ 42.859398] Modules linked in: [ 42.859670] CPU: 0 UID: 104 PID: 250 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 42.860554] Tainted: [W]=WARN [ 42.860802] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.861457] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.861849] 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 [ 42.863271] RSP: 0018:ffff888019b07bc0 EFLAGS: 00010286 [ 42.863691] RAX: 0000000000000000 RBX: ffffed1003360f78 RCX: ffffffff813a4050 [ 42.864265] RDX: ffff88800f431bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.864817] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1003360f2f [ 42.865383] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.865938] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888019b07df8 [ 42.866517] FS: 00007f6269266900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 42.867142] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.867616] CR2: 00007f6269758580 CR3: 000000001fcd0000 CR4: 0000000000350ef0 [ 42.868171] Call Trace: [ 42.868394] [ 42.868580] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.868963] ? __create_object+0x59/0x80 [ 42.869310] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.869723] __vmalloc_noprof+0x59/0x60 [ 42.870046] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.870433] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.870838] bpf_prog_alloc+0x39/0x200 [ 42.871147] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.871558] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.871946] do_seccomp+0x349/0x25e0 [ 42.872264] ? __pfx_css_rstat_updated+0x10/0x10 [ 42.872647] ? __pfx_do_seccomp+0x10/0x10 [ 42.872981] ? find_held_lock+0x2b/0x80 [ 42.873317] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.873727] ? static_key_count+0x60/0x80 [ 42.874064] prctl_set_seccomp+0x4e/0x70 [ 42.874405] __do_sys_prctl+0xe6c/0x1d70 [ 42.874742] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.875103] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.875529] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.875944] ? irqentry_exit+0xf3/0x650 [ 42.876283] do_syscall_64+0xbf/0x430 [ 42.876596] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.877002] RIP: 0033:0x7f62697585cd [ 42.877313] 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 [ 42.878725] RSP: 002b:00007ffe6c146000 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.879328] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f62697585cd [ 42.879879] RDX: 000056498d864e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.880442] RBP: 00007ffe6c146060 R08: 0000000000000000 R09: 00007ffe6c145700 [ 42.880993] R10: 0000000000000000 R11: 0000000000000246 R12: 00005649af05bad0 [ 42.881557] R13: 00007ffe6c146490 R14: 00005649af05cbc0 R15: 00005649af06d780 [ 42.882118] [ 42.882321] irq event stamp: 1819 [ 42.882601] hardirqs last enabled at (1827): [] __up_console_sem+0x78/0x80 [ 42.883280] hardirqs last disabled at (1836): [] __up_console_sem+0x5d/0x80 [ 42.883941] softirqs last enabled at (1422): [] handle_softirqs+0x50c/0x770 [ 42.884624] softirqs last disabled at (1417): [] __irq_exit_rcu+0xc4/0x100 [ 42.885295] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:31372' (ECDSA) to the list of known hosts. 2025/11/19 02:57:49 fuzzer started 2025/11/19 02:57:49 dialing manager at localhost:34383 2025/11/19 02:57:49 checking machine... 2025/11/19 02:57:49 checking revisions... [ 43.716763] kmemleak: Automatic memory scanning thread ended 2025/11/19 02:57:49 testing simple program... [ 43.818190] cgroup: Unknown subsys name 'net' [ 43.890590] cgroup: Unknown subsys name 'cpuset' [ 43.907128] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program VM DIAGNOSIS: 02:57:48 Registers: info registers vcpu 0 RAX=0000000000000000 RBX=ffff888016ed7d88 RCX=0000000000000001 RDX=0000000000000000 RSI=ffffffff8135e7a2 RDI=ffffffff85e1ffe0 RBP=ffffffff85e1ffe0 RSP=ffff888016ed78d8 R8 =0000000000000001 R9 =ffff888016ed79d0 R10=000000000003c9ed R11=0000000000023e35 R12=ffffffff8135e7a2 R13=ffff888016ed79d8 R14=ffff888016ed7d78 R15=ffff888016ed7990 RIP=ffffffff81529082 RFL=00000247 [---Z-PC] 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 00007f321495c900 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe7c00000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007ffe57feb000 CR3=0000000015e43000 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=635f6e6f69737365733a4d41503d706f XMM01=6f6c5f6d61702c78756e696c65735f6d XMM02=61702c74696d7265705f6d61702c7469 XMM03=655f6d61702c7374696d696c5f6d6170 XMM04=3d6c616e696d72657420322e322e302e XMM05=3d656d616e74736f682022646873732f XMM06=746f6f72223d746363612078756e696c XMM07=6e655f6d61702c7374696d696c5f6d61 XMM08=652075253d64692073253d706f000000 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=0000000000000050 RBX=ffff88800a9a0000 RCX=ffffffff8259f946 RDX=00000000000101f7 RSI=ffffffff8259f954 RDI=0000000000000007 RBP=ffffffff862e1aa0 RSP=ffff88800976f6f0 R8 =0000000000000001 R9 =0000000000006d2c R10=00000000000101f7 R11=0000000000000001 R12=00000000000101f7 R13=ffffed1001534001 R14=dffffc0000000000 R15=ffff88800a9a0060 RIP=ffffffff8259f958 RFL=00000093 [--S-A-C] 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 fffffe4000000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f13d7e30188 CR3=000000000dc6b000 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=00000000003046f0b3285ca56c489dff XMM01=32ea965eb39b0eb080424ad74d2b4022 XMM02=00000000003049c8ec2efd57dc4c00df XMM03=0000000000310a186ec89ab855074fdc XMM04=6e12b205905bb0aa00000000000ae988 XMM05=d96330e2d2db86320000000000321650 XMM06=474038aa6c007e1f00000000003214d8 XMM07=e042d86d42eb936e0000000000310cf0 XMM08=6ec89ab855074fdc0000000000304a28 XMM09=00000000000000000000000000000000 XMM10=00000000200000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000