[ 47.277779] ------------[ cut here ]------------ [ 47.278369] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 47.279626] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/234 [ 47.280939] Modules linked in: [ 47.281366] CPU: 0 UID: 104 PID: 234 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 47.282643] Tainted: [W]=WARN [ 47.282991] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 47.283928] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 47.284519] 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 [ 47.286688] RSP: 0018:ffff88801796fbc0 EFLAGS: 00010286 [ 47.287359] RAX: 0000000000000000 RBX: ffffed1002f2df78 RCX: ffffffff813a4050 [ 47.288146] RDX: ffff88800f693780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 47.288965] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002f2df2f [ 47.289786] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000400dc0 [ 47.290595] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801796fdf8 [ 47.291409] FS: 00007f1189ced900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 47.292337] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 47.292976] CR2: 00007ffec4bb1ef7 CR3: 000000000dd01000 CR4: 0000000000350ef0 [ 47.293810] Call Trace: [ 47.294105] [ 47.294393] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 47.294935] ? __create_object+0x59/0x80 [ 47.295426] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 47.296011] __vmalloc_noprof+0x59/0x60 [ 47.296501] bpf_prog_alloc_no_stats+0x55/0x470 [ 47.297028] ? __pfx_seccomp_check_filter+0x10/0x10 [ 47.297624] bpf_prog_alloc+0x39/0x200 [ 47.298066] ? __pfx_seccomp_check_filter+0x10/0x10 [ 47.298650] bpf_prog_create_from_user+0xb2/0x2f0 [ 47.299218] do_seccomp+0x349/0x25e0 [ 47.299646] ? find_held_lock+0x2b/0x80 [ 47.300095] ? do_prlimit+0x310/0x610 [ 47.300566] ? __pfx_do_seccomp+0x10/0x10 [ 47.301037] ? do_raw_spin_unlock+0x53/0x220 [ 47.301565] ? _raw_spin_unlock+0x1e/0x40 [ 47.302035] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 47.302645] ? static_key_count+0x60/0x80 [ 47.303123] prctl_set_seccomp+0x4e/0x70 [ 47.303616] __do_sys_prctl+0xe6c/0x1d70 [ 47.304084] ? __pfx___do_sys_prctl+0x10/0x10 [ 47.304631] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 47.305249] ? irqentry_exit+0xf3/0x650 [ 47.305702] do_syscall_64+0xbf/0x430 [ 47.306138] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 47.306745] RIP: 0033:0x7f118a1df5cd [ 47.307164] 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 [ 47.309197] RSP: 002b:00007ffec4bb0d20 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 47.310033] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f118a1df5cd [ 47.310844] RDX: 000055970f578e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 47.311651] RBP: 00007ffec4bb0d80 R08: 0000000000000000 R09: 00007ffec4bb0420 [ 47.312474] R10: 0000000000000000 R11: 0000000000000246 R12: 000055972278aad0 [ 47.313306] R13: 00007ffec4bb11b0 R14: 000055972278bbc0 R15: 000055972279c780 [ 47.314110] [ 47.314414] irq event stamp: 1807 [ 47.314806] hardirqs last enabled at (1815): [] __up_console_sem+0x78/0x80 [ 47.315772] hardirqs last disabled at (1824): [] __up_console_sem+0x5d/0x80 [ 47.316742] softirqs last enabled at (1402): [] handle_softirqs+0x50c/0x770 [ 47.317739] softirqs last disabled at (1381): [] __irq_exit_rcu+0xc4/0x100 [ 47.318600] ---[ end trace 0000000000000000 ]--- Debian GNU/Linux 11 syzkaller ttyS0 syzkaller login: [ 50.383352] ------------[ cut here ]------------ [ 50.384094] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 50.385797] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/242 [ 50.387017] Modules linked in: [ 50.387550] CPU: 1 UID: 104 PID: 242 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 50.389222] Tainted: [W]=WARN [ 50.389711] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 50.391102] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 50.391979] 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 [ 50.394743] RSP: 0018:ffff88801af1fbc0 EFLAGS: 00010286 [ 50.395641] RAX: 0000000000000000 RBX: ffffed10035e3f78 RCX: ffffffff813a4050 [ 50.396840] RDX: ffff888015dc9bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 50.398112] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed10035e3f2f [ 50.399217] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 50.400333] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801af1fdf8 [ 50.401531] FS: 00007fbe9dc10900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 50.402860] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.403754] CR2: 00007fffbd857ef7 CR3: 000000000d744000 CR4: 0000000000350ef0 [ 50.404830] Call Trace: [ 50.405271] [ 50.405617] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 50.406380] ? __create_object+0x59/0x80 [ 50.406999] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 50.407833] __vmalloc_noprof+0x59/0x60 [ 50.408453] bpf_prog_alloc_no_stats+0x55/0x470 [ 50.409144] ? __pfx_seccomp_check_filter+0x10/0x10 [ 50.409923] bpf_prog_alloc+0x39/0x200 [ 50.410534] ? __pfx_seccomp_check_filter+0x10/0x10 [ 50.411317] bpf_prog_create_from_user+0xb2/0x2f0 [ 50.412037] do_seccomp+0x349/0x25e0 [ 50.412634] ? find_held_lock+0x2b/0x80 [ 50.413285] ? do_prlimit+0x310/0x610 [ 50.413866] ? __pfx_do_seccomp+0x10/0x10 [ 50.414518] ? do_raw_spin_unlock+0x53/0x220 [ 50.415168] ? _raw_spin_unlock+0x1e/0x40 [ 50.415815] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 50.416624] ? static_key_count+0x60/0x80 [ 50.417361] prctl_set_seccomp+0x4e/0x70 [ 50.417980] __do_sys_prctl+0xe6c/0x1d70 [ 50.418652] ? __pfx___do_sys_prctl+0x10/0x10 [ 50.419393] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 50.420257] ? irqentry_exit+0xf3/0x650 [ 50.420957] do_syscall_64+0xbf/0x430 [ 50.421669] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 50.422524] RIP: 0033:0x7fbe9e1025cd [ 50.423089] 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 [ 50.426075] RSP: 002b:00007fffbd856660 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 50.427360] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fbe9e1025cd [ 50.428545] RDX: 000055bcdad1de00 RSI: 0000000000000002 RDI: 0000000000000016 [ 50.429856] RBP: 00007fffbd8566c0 R08: 0000000000000000 R09: 00007fffbd855d60 [ 50.431159] R10: 0000000000000000 R11: 0000000000000246 R12: 000055bcff0abb10 [ 50.432425] R13: 00007fffbd856af0 R14: 000055bcff0ac2b0 R15: 000055bcff0c06f0 [ 50.433668] [ 50.434028] irq event stamp: 1765 [ 50.434657] hardirqs last enabled at (1775): [] __up_console_sem+0x78/0x80 [ 50.436074] hardirqs last disabled at (1784): [] __up_console_sem+0x5d/0x80 [ 50.437488] softirqs last enabled at (1732): [] handle_softirqs+0x50c/0x770 [ 50.438984] softirqs last disabled at (1725): [] __irq_exit_rcu+0xc4/0x100 [ 50.440488] ---[ end trace 0000000000000000 ]--- [ 51.100386] ------------[ cut here ]------------ [ 51.101435] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 51.103568] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/249 [ 51.105124] Modules linked in: [ 51.105867] CPU: 0 UID: 104 PID: 249 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 51.108019] Tainted: [W]=WARN [ 51.108679] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 51.110287] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 51.111278] 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 [ 51.114712] RSP: 0018:ffff888015a37bc0 EFLAGS: 00010286 [ 51.115795] RAX: 0000000000000000 RBX: ffffed1002b46f78 RCX: ffffffff813a4050 [ 51.117203] RDX: ffff88800f635340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 51.118601] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002b46f2f [ 51.120008] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 51.121446] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888015a37df8 [ 51.122857] FS: 00007f4203aa0900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 51.124428] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 51.125599] CR2: 00007ffc2a019ef7 CR3: 000000000e01f000 CR4: 0000000000350ef0 [ 51.127001] Call Trace: [ 51.127543] [ 51.127980] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 51.128958] ? __create_object+0x59/0x80 [ 51.129835] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 51.130887] __vmalloc_noprof+0x59/0x60 [ 51.131714] bpf_prog_alloc_no_stats+0x55/0x470 [ 51.132675] ? __pfx_seccomp_check_filter+0x10/0x10 [ 51.133727] bpf_prog_alloc+0x39/0x200 [ 51.134525] ? __pfx_seccomp_check_filter+0x10/0x10 [ 51.135536] bpf_prog_create_from_user+0xb2/0x2f0 [ 51.136532] do_seccomp+0x349/0x25e0 [ 51.137345] ? find_held_lock+0x2b/0x80 [ 51.138126] ? do_prlimit+0x310/0x610 [ 51.138951] ? __pfx_do_seccomp+0x10/0x10 [ 51.139816] ? do_raw_spin_unlock+0x53/0x220 [ 51.140730] ? _raw_spin_unlock+0x1e/0x40 [ 51.141622] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 51.142688] ? static_key_count+0x60/0x80 [ 51.143556] prctl_set_seccomp+0x4e/0x70 [ 51.144416] __do_sys_prctl+0xe6c/0x1d70 [ 51.145295] ? __pfx___do_sys_prctl+0x10/0x10 [ 51.146171] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 51.147268] ? irqentry_exit+0xf3/0x650 [ 51.148040] do_syscall_64+0xbf/0x430 [ 51.148854] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 51.149909] RIP: 0033:0x7f4203f925cd [ 51.150687] 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 [ 51.154138] RSP: 002b:00007ffc2a017380 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 51.155650] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f4203f925cd [ 51.157064] RDX: 0000563565004e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 51.158480] RBP: 00007ffc2a0173e0 R08: 0000000000000000 R09: 00007ffc2a016a80 [ 51.159868] R10: 0000000000000000 R11: 0000000000000246 R12: 00005635738ff2b0 [ 51.161269] R13: 00007ffc2a017810 R14: 0000563573901d20 R15: 00005635739138d0 [ 51.162228] [ 51.162508] irq event stamp: 1759 [ 51.162910] hardirqs last enabled at (1767): [] __up_console_sem+0x78/0x80 [ 51.163929] hardirqs last disabled at (1776): [] __up_console_sem+0x5d/0x80 [ 51.164949] softirqs last enabled at (1708): [] handle_softirqs+0x50c/0x770 [ 51.165908] softirqs last disabled at (1703): [] __irq_exit_rcu+0xc4/0x100 [ 51.166733] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:19093' (ECDSA) to the list of known hosts. 2025/11/18 19:06:45 fuzzer started 2025/11/18 19:06:45 dialing manager at localhost:34383 2025/11/18 19:06:45 checking machine... 2025/11/18 19:06:45 checking revisions... [ 52.012355] kmemleak: Automatic memory scanning thread ended 2025/11/18 19:06:45 testing simple program... [ 52.089468] cgroup: Unknown subsys name 'net' [ 52.156943] cgroup: Unknown subsys name 'cpuset' [ 52.175832] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program VM DIAGNOSIS: 19:06:44 Registers: info registers vcpu 0 RAX=ffffffff81b2a21c RBX=ffffffff86725cd4 RCX=ffffffff81b2a223 RDX=0000000000000000 RSI=ffffffff86ab8442 RDI=ffffffff86725cc8 RBP=ffffffff86725cd8 RSP=ffff888015c074e0 R8 =ffffffff86ab8442 R9 =0000000000000000 R10=000000000003c9ed R11=00000000000255cb R12=ffffffff86725ce4 R13=ffffffff86725cc8 R14=ffffffff86725cc8 R15=dffffc0000000000 RIP=ffffffff8135da7f RFL=00000212 [----A--] 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 00007fbe9dc10900 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=00007fbe9dbda008 CR3=000000001ed1c000 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=2034343a36303a393120383120766f4e XMM01=73732878696e755f6d6170203a5d3134 XMM02=65736f6c63206e6f6973736573203a29 XMM03=755f6d6170203a5d3134325b64687373 XMM04=69662068637573206f4e203a656c6163 XMM05=3a656c696620766e65206e65706f206f XMM06=65733a6468737328766e655f6d617020 XMM07=6b7a79732034343a36303a3931203831 XMM08=30343d7974696c696261706163202279 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=0000000000026077 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=00000206 [-----P-] 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 fffffe2c00000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f4fd9e05000 CR3=000000000e1ce000 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=98fce2efd7643b813642c08bf84e9b1b XMM02=ec2efd57dc4c00df0000000000302dd8 XMM03=24212827b853f50e0000000000302ea8 XMM04=d3db950d80fc92ac00000000000ae988 XMM05=090f1556b20111b3000000000031e068 XMM06=5b75c91c80445342000000000031def0 XMM07=e042d86d42eb936e000000000030e4c8 XMM08=24212827b853f50e0000000000302ea8 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000