[ 39.166442] ------------[ cut here ]------------ [ 39.167220] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 39.168936] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/233 [ 39.170173] Modules linked in: [ 39.170675] CPU: 0 UID: 104 PID: 233 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 39.172550] Tainted: [W]=WARN [ 39.173154] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 39.174428] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 39.175207] 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 [ 39.177927] RSP: 0018:ffff88801a197bc0 EFLAGS: 00010286 [ 39.178724] RAX: 0000000000000000 RBX: ffffed1003432f78 RCX: ffffffff813a4050 [ 39.179810] RDX: ffff88800b0e5340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 39.180910] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1003432f2f [ 39.182039] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 39.183138] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801a197df8 [ 39.184237] FS: 00007f1420119900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 39.185477] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 39.186384] CR2: 00007ffd853b1ef7 CR3: 000000000f8d7000 CR4: 0000000000350ef0 [ 39.187483] Call Trace: [ 39.187915] [ 39.188267] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 39.189032] ? __create_object+0x59/0x80 [ 39.189660] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.190479] __vmalloc_noprof+0x59/0x60 [ 39.191108] bpf_prog_alloc_no_stats+0x55/0x470 [ 39.191801] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.192589] bpf_prog_alloc+0x39/0x200 [ 39.193224] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.194009] bpf_prog_create_from_user+0xb2/0x2f0 [ 39.194735] do_seccomp+0x349/0x25e0 [ 39.195341] ? find_held_lock+0x2b/0x80 [ 39.195971] ? do_prlimit+0x310/0x610 [ 39.196560] ? __pfx_do_seccomp+0x10/0x10 [ 39.197235] ? do_raw_spin_unlock+0x53/0x220 [ 39.197945] ? _raw_spin_unlock+0x1e/0x40 [ 39.198558] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 39.199359] ? static_key_count+0x60/0x80 [ 39.200039] prctl_set_seccomp+0x4e/0x70 [ 39.200652] __do_sys_prctl+0xe6c/0x1d70 [ 39.201322] ? __pfx___do_sys_prctl+0x10/0x10 [ 39.202047] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 39.202827] ? irqentry_exit+0xf3/0x650 [ 39.203481] do_syscall_64+0xbf/0x430 [ 39.204098] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 39.204888] RIP: 0033:0x7f142060b5cd [ 39.205457] 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 [ 39.208106] RSP: 002b:00007ffd853aff80 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 39.209259] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f142060b5cd [ 39.210344] RDX: 00005632d065ce00 RSI: 0000000000000002 RDI: 0000000000000016 [ 39.211423] RBP: 00007ffd853affe0 R08: 0000000000000000 R09: 00007ffd853af680 [ 39.212515] R10: 0000000000000000 R11: 0000000000000246 R12: 00005633061edad0 [ 39.213605] R13: 00007ffd853b0410 R14: 00005633061eebc0 R15: 00005633061ff780 [ 39.214712] [ 39.215100] irq event stamp: 1817 [ 39.215614] hardirqs last enabled at (1825): [] __up_console_sem+0x78/0x80 [ 39.216902] hardirqs last disabled at (1834): [] __up_console_sem+0x5d/0x80 [ 39.218207] softirqs last enabled at (1426): [] handle_softirqs+0x50c/0x770 [ 39.219513] softirqs last disabled at (1415): [] __irq_exit_rcu+0xc4/0x100 [ 39.220777] ---[ end trace 0000000000000000 ]--- Debian GNU/Linux 11 syzkaller ttyS0 syzkaller login: [ 42.033944] ------------[ cut here ]------------ [ 42.034705] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.036422] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/241 [ 42.037691] Modules linked in: [ 42.038254] CPU: 1 UID: 104 PID: 241 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 42.039952] Tainted: [W]=WARN [ 42.040428] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.041738] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.042517] 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 [ 42.045279] RSP: 0018:ffff888017b8fbc0 EFLAGS: 00010286 [ 42.046128] RAX: 0000000000000000 RBX: ffffed1002f71f78 RCX: ffffffff813a4050 [ 42.047229] RDX: ffff88800e479bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.048322] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002f71f2f [ 42.049458] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.050553] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888017b8fdf8 [ 42.051656] FS: 00007f6a6c11f900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 42.052893] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.053791] CR2: 00007f6a6c6854a6 CR3: 000000000d646000 CR4: 0000000000350ef0 [ 42.054895] Call Trace: [ 42.055293] [ 42.055641] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.056405] ? __create_object+0x59/0x80 [ 42.057081] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.057960] __vmalloc_noprof+0x59/0x60 [ 42.058571] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.059315] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.060105] bpf_prog_alloc+0x39/0x200 [ 42.060698] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.061519] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.062292] do_seccomp+0x349/0x25e0 [ 42.062904] ? find_held_lock+0x2b/0x80 [ 42.063890] ? do_prlimit+0x310/0x610 [ 42.064496] ? __pfx_do_seccomp+0x10/0x10 [ 42.065171] ? do_raw_spin_unlock+0x53/0x220 [ 42.065920] ? _raw_spin_unlock+0x1e/0x40 [ 42.066555] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.067382] ? static_key_count+0x60/0x80 [ 42.068067] prctl_set_seccomp+0x4e/0x70 [ 42.068694] __do_sys_prctl+0xe6c/0x1d70 [ 42.069402] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.070137] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.070967] ? irqentry_exit+0xf3/0x650 [ 42.071589] do_syscall_64+0xbf/0x430 [ 42.072223] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.073039] RIP: 0033:0x7f6a6c6115cd [ 42.073638] 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 [ 42.076374] RSP: 002b:00007fff3869b020 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.077583] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f6a6c6115cd [ 42.078681] RDX: 000055dd7406de00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.079789] RBP: 00007fff3869b080 R08: 0000000000000000 R09: 00007fff3869a720 [ 42.080896] R10: 0000000000000000 R11: 0000000000000246 R12: 000055dda63542b0 [ 42.082040] R13: 00007fff3869b4b0 R14: 000055dda6356d20 R15: 000055dda63688d0 [ 42.083163] [ 42.083529] irq event stamp: 1731 [ 42.084095] hardirqs last enabled at (1749): [] __up_console_sem+0x78/0x80 [ 42.085440] hardirqs last disabled at (1758): [] __up_console_sem+0x5d/0x80 [ 42.086744] softirqs last enabled at (1746): [] handle_softirqs+0x50c/0x770 [ 42.088071] softirqs last disabled at (1739): [] __irq_exit_rcu+0xc4/0x100 [ 42.089410] ---[ end trace 0000000000000000 ]--- [ 42.764433] ------------[ cut here ]------------ [ 42.765394] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.767406] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/249 [ 42.768868] Modules linked in: [ 42.769492] CPU: 1 UID: 104 PID: 249 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 42.771694] Tainted: [W]=WARN [ 42.772367] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.773877] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.774743] 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 [ 42.777977] RSP: 0018:ffff888015fafbc0 EFLAGS: 00010286 [ 42.778962] RAX: 0000000000000000 RBX: ffffed1002bf5f78 RCX: ffffffff813a4050 [ 42.780253] RDX: ffff88801b6d1bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.781649] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002bf5f2f [ 42.782969] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.784275] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888015fafdf8 [ 42.785596] FS: 00007fe39e01f900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 42.787030] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.788155] CR2: 00007ffdc2f82ef7 CR3: 000000001fb30000 CR4: 0000000000350ef0 [ 42.789500] Call Trace: [ 42.790022] [ 42.790439] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.791365] ? __create_object+0x59/0x80 [ 42.792148] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.793119] __vmalloc_noprof+0x59/0x60 [ 42.793924] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.794757] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.795681] bpf_prog_alloc+0x39/0x200 [ 42.796421] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.797375] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.798281] do_seccomp+0x349/0x25e0 [ 42.799001] ? find_held_lock+0x2b/0x80 [ 42.799723] ? do_prlimit+0x310/0x610 [ 42.800468] ? __pfx_do_seccomp+0x10/0x10 [ 42.801271] ? do_raw_spin_unlock+0x53/0x220 [ 42.802120] ? _raw_spin_unlock+0x1e/0x40 [ 42.802906] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.803826] ? static_key_count+0x60/0x80 [ 42.804638] prctl_set_seccomp+0x4e/0x70 [ 42.805440] __do_sys_prctl+0xe6c/0x1d70 [ 42.806219] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.807065] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.808036] ? irqentry_exit+0xf3/0x650 [ 42.808749] do_syscall_64+0xbf/0x430 [ 42.809511] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.810450] RIP: 0033:0x7fe39e5115cd [ 42.811146] 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 [ 42.814368] RSP: 002b:00007ffdc2f80e40 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.815730] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fe39e5115cd [ 42.817003] RDX: 00005594c45cfe00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.818313] RBP: 00007ffdc2f80ea0 R08: 0000000000000000 R09: 00007ffdc2f80540 [ 42.819387] R10: 0000000000000000 R11: 0000000000000246 R12: 00005594f7908ad0 [ 42.820467] R13: 00007ffdc2f812d0 R14: 00005594f7909bc0 R15: 00005594f791a780 [ 42.821602] [ 42.821996] irq event stamp: 1833 [ 42.822521] hardirqs last enabled at (1841): [] __up_console_sem+0x78/0x80 [ 42.823820] hardirqs last disabled at (1850): [] __up_console_sem+0x5d/0x80 [ 42.825119] softirqs last enabled at (1754): [] handle_softirqs+0x50c/0x770 [ 42.826456] softirqs last disabled at (1749): [] __irq_exit_rcu+0xc4/0x100 [ 42.827722] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:27627' (ECDSA) to the list of known hosts. 2025/11/18 19:02:17 fuzzer started 2025/11/18 19:02:17 dialing manager at localhost:34383 2025/11/18 19:02:17 checking machine... 2025/11/18 19:02:17 checking revisions... [ 43.681571] kmemleak: Automatic memory scanning thread ended 2025/11/18 19:02:18 testing simple program... [ 43.756831] cgroup: Unknown subsys name 'net' [ 43.819358] cgroup: Unknown subsys name 'cpuset' [ 43.833174] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program VM DIAGNOSIS: 19:02:17 Registers: info registers vcpu 0 RAX=0000000000000000 RBX=0000000000000001 RCX=ffffffff86aaf1f0 RDX=0000000000000001 RSI=0000000000000000 RDI=ffffffff86aaf1f2 RBP=ffff888009627848 RSP=ffff888009627780 R8 =0000000000000001 R9 =ffff888009627830 R10=000000000003c9ed R11=0000000000023d68 R12=ffff888009627850 R13=ffff888009627838 R14=ffff888009627c40 R15=ffff8880096277f0 RIP=ffffffff8135fb06 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 0000000000000000 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe2500000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f6a6c0e4008 CR3=000000000c377000 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=2037313a32303a393120383120766f4e XMM01=73732878696e755f6d6170203a5d3034 XMM02=65736f6c63206e6f6973736573203a29 XMM03=755f6d6170203a5d3034325b64687373 XMM04=69662068637573206f4e203a656c6163 XMM05=3a656c696620766e65206e65706f206f XMM06=65733a6468737328766e655f6d617020 XMM07=6b7a79732036313a32303a3931203831 XMM08=30343d7974696c696261706163202279 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=ffff88801a198001 RBX=0000000000000001 RCX=0000000000000001 RDX=ffff88801a197901 RSI=ffff88801a1979b0 RDI=ffff88801a1977e0 RBP=ffff88801a197828 RSP=ffff88801a197760 R8 =ffffffff86abec68 R9 =0000000000000000 R10=000000000003c9ed R11=0000000000026726 R12=ffff88801a197830 R13=ffff88801a197818 R14=ffff88801a1979b8 R15=ffff88801a1977d0 RIP=ffffffff8135ef94 RFL=00000296 [--S-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 00007f6a6c11f900 00000000 00000000 GS =0000 ffff8880e548f000 00000000 00000000 LDT=0000 fffffe4400000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f6a6c0d8008 CR3=000000000f80c000 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