[ 39.356934] ------------[ cut here ]------------ [ 39.357555] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 39.358897] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/232 [ 39.359923] Modules linked in: [ 39.360318] CPU: 1 UID: 104 PID: 232 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 39.361651] Tainted: [W]=WARN [ 39.362043] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 39.363027] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 39.363603] 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 [ 39.365745] RSP: 0018:ffff88800f24fbc0 EFLAGS: 00010286 [ 39.366373] RAX: 0000000000000000 RBX: ffffed1001e49f78 RCX: ffffffff813a4050 [ 39.367239] RDX: ffff888017180000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 39.368099] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1001e49f2f [ 39.368950] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 39.369826] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88800f24fdf8 [ 39.370664] FS: 00007f796c0d5900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 39.371637] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 39.372346] CR2: 00007f796c5c7580 CR3: 000000000cdaa000 CR4: 0000000000350ef0 [ 39.373209] Call Trace: [ 39.373522] [ 39.373824] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 39.374398] ? __create_object+0x59/0x80 [ 39.374923] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.375548] __vmalloc_noprof+0x59/0x60 [ 39.376063] bpf_prog_alloc_no_stats+0x55/0x470 [ 39.376621] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.377242] bpf_prog_alloc+0x39/0x200 [ 39.377711] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.378336] bpf_prog_create_from_user+0xb2/0x2f0 [ 39.378944] do_seccomp+0x349/0x25e0 [ 39.379395] ? __pfx_css_rstat_updated+0x10/0x10 [ 39.380012] ? __pfx_do_seccomp+0x10/0x10 [ 39.380511] ? find_held_lock+0x2b/0x80 [ 39.381023] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 39.381639] ? static_key_count+0x60/0x80 [ 39.382178] prctl_set_seccomp+0x4e/0x70 [ 39.382665] __do_sys_prctl+0xe6c/0x1d70 [ 39.383196] ? __pfx___do_sys_prctl+0x10/0x10 [ 39.383762] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.384387] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 39.385034] ? irqentry_exit+0xf3/0x650 [ 39.385522] do_syscall_64+0xbf/0x430 [ 39.386021] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 39.386629] RIP: 0033:0x7f796c5c75cd [ 39.387109] 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 [ 39.389247] RSP: 002b:00007ffcaf7d5bc0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 39.390173] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f796c5c75cd [ 39.391029] RDX: 0000562dc51dbe00 RSI: 0000000000000002 RDI: 0000000000000016 [ 39.391905] RBP: 00007ffcaf7d5c20 R08: 0000000000000000 R09: 00007ffcaf7d52c0 [ 39.392765] R10: 0000000000000000 R11: 0000000000000246 R12: 0000562dd15dfad0 [ 39.393590] R13: 00007ffcaf7d6050 R14: 0000562dd15e0bc0 R15: 0000562dd15f1780 [ 39.394466] [ 39.394779] irq event stamp: 1715 [ 39.395190] hardirqs last enabled at (1723): [] __up_console_sem+0x78/0x80 [ 39.396226] hardirqs last disabled at (1732): [] __up_console_sem+0x5d/0x80 [ 39.397247] softirqs last enabled at (1236): [] handle_softirqs+0x50c/0x770 [ 39.398292] softirqs last disabled at (1751): [] __irq_exit_rcu+0xc4/0x100 [ 39.399311] ---[ end trace 0000000000000000 ]--- Debian GNU/Linux 11 syzkaller ttyS0 syzkaller login: [ 42.394382] ------------[ cut here ]------------ [ 42.395161] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.396855] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/241 [ 42.398108] Modules linked in: [ 42.398610] CPU: 1 UID: 104 PID: 241 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 42.400294] Tainted: [W]=WARN [ 42.400791] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.402024] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.402784] 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 [ 42.405427] RSP: 0018:ffff888017537bc0 EFLAGS: 00010286 [ 42.406231] RAX: 0000000000000000 RBX: ffffed1002ea6f78 RCX: ffffffff813a4050 [ 42.407288] RDX: ffff888016cb1bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.408364] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002ea6f2f [ 42.409416] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.410480] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888017537df8 [ 42.411537] FS: 00007f911029d900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 42.412749] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.413588] CR2: 00007fffdc433ef7 CR3: 000000001fa43000 CR4: 0000000000350ef0 [ 42.414653] Call Trace: [ 42.415070] [ 42.415411] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.416168] ? __create_object+0x59/0x80 [ 42.416807] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.417581] __vmalloc_noprof+0x59/0x60 [ 42.418204] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.418925] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.419665] bpf_prog_alloc+0x39/0x200 [ 42.420280] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.421048] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.421792] do_seccomp+0x349/0x25e0 [ 42.422350] ? find_held_lock+0x2b/0x80 [ 42.422979] ? do_prlimit+0x310/0x610 [ 42.423557] ? __pfx_do_seccomp+0x10/0x10 [ 42.424209] ? do_raw_spin_unlock+0x53/0x220 [ 42.424889] ? _raw_spin_unlock+0x1e/0x40 [ 42.425509] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.426299] ? static_key_count+0x60/0x80 [ 42.426949] prctl_set_seccomp+0x4e/0x70 [ 42.427559] __do_sys_prctl+0xe6c/0x1d70 [ 42.428217] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.428929] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.429701] ? irqentry_exit+0xf3/0x650 [ 42.430332] do_syscall_64+0xbf/0x430 [ 42.430945] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.431697] RIP: 0033:0x7f911078f5cd [ 42.432286] 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 [ 42.434916] RSP: 002b:00007fffdc431d60 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.436060] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f911078f5cd [ 42.437120] RDX: 00005557d003de00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.438178] RBP: 00007fffdc431dc0 R08: 0000000000000000 R09: 00007fffdc431460 [ 42.439232] R10: 0000000000000000 R11: 0000000000000246 R12: 00005557eb2ca240 [ 42.440310] R13: 00007fffdc4321f0 R14: 00005557eb2c9bf0 R15: 00005557eb2de4d0 [ 42.441383] [ 42.441779] irq event stamp: 1713 [ 42.442289] hardirqs last enabled at (1721): [] __up_console_sem+0x78/0x80 [ 42.443540] hardirqs last disabled at (1730): [] __up_console_sem+0x5d/0x80 [ 42.444819] softirqs last enabled at (1214): [] handle_softirqs+0x50c/0x770 [ 42.446106] softirqs last disabled at (1201): [] __irq_exit_rcu+0xc4/0x100 [ 42.447361] ---[ end trace 0000000000000000 ]--- [ 43.245350] ------------[ cut here ]------------ [ 43.246250] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 43.248214] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/249 [ 43.249640] Modules linked in: [ 43.250278] CPU: 0 UID: 104 PID: 249 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 43.252455] Tainted: [W]=WARN [ 43.253161] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 43.254615] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 43.255509] 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 [ 43.258637] RSP: 0018:ffff888017edfbc0 EFLAGS: 00010286 [ 43.259500] RAX: 0000000000000000 RBX: ffffed1002fdbf78 RCX: ffffffff813a4050 [ 43.260564] RDX: ffff888017e0d340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 43.261618] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002fdbf2f [ 43.262678] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 43.263747] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888017edfdf8 [ 43.264813] FS: 00007f2f5b333900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 43.266009] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 43.266874] CR2: 00007f2f5b825580 CR3: 000000000e80a000 CR4: 0000000000350ef0 [ 43.267938] Call Trace: [ 43.268350] [ 43.268696] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 43.269464] ? __create_object+0x59/0x80 [ 43.270123] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 43.270939] __vmalloc_noprof+0x59/0x60 [ 43.271551] bpf_prog_alloc_no_stats+0x55/0x470 [ 43.272298] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.273076] bpf_prog_alloc+0x39/0x200 [ 43.273664] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.274453] bpf_prog_create_from_user+0xb2/0x2f0 [ 43.275221] do_seccomp+0x349/0x25e0 [ 43.275825] ? __pfx_css_rstat_updated+0x10/0x10 [ 43.276559] ? __pfx_do_seccomp+0x10/0x10 [ 43.277225] ? find_held_lock+0x2b/0x80 [ 43.277861] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 43.278645] ? static_key_count+0x60/0x80 [ 43.279323] prctl_set_seccomp+0x4e/0x70 [ 43.279980] __do_sys_prctl+0xe6c/0x1d70 [ 43.280607] ? __pfx___do_sys_prctl+0x10/0x10 [ 43.281325] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 43.282142] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 43.282963] ? irqentry_exit+0xf3/0x650 [ 43.283581] do_syscall_64+0xbf/0x430 [ 43.284223] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 43.285028] RIP: 0033:0x7f2f5b8255cd [ 43.285587] 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 [ 43.288296] RSP: 002b:00007ffeb09ad530 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 43.289451] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f2f5b8255cd [ 43.290535] RDX: 000055994ad41e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 43.291622] RBP: 00007ffeb09ad590 R08: 0000000000000000 R09: 00007ffeb09acc30 [ 43.292712] R10: 0000000000000000 R11: 0000000000000246 R12: 0000559950f52ad0 [ 43.293831] R13: 00007ffeb09ad9c0 R14: 0000559950f53bc0 R15: 0000559950f64780 [ 43.294932] [ 43.295296] irq event stamp: 1829 [ 43.295838] hardirqs last enabled at (1839): [] __up_console_sem+0x78/0x80 [ 43.297154] hardirqs last disabled at (1848): [] __up_console_sem+0x5d/0x80 [ 43.298443] softirqs last enabled at (1808): [] handle_softirqs+0x50c/0x770 [ 43.299762] softirqs last disabled at (1803): [] __irq_exit_rcu+0xc4/0x100 [ 43.301057] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:6388' (ECDSA) to the list of known hosts. 2025/11/18 14:50:18 fuzzer started 2025/11/18 14:50:18 dialing manager at localhost:34383 2025/11/18 14:50:18 checking machine... 2025/11/18 14:50:18 checking revisions... [ 44.174871] kmemleak: Automatic memory scanning thread ended 2025/11/18 14:50:19 testing simple program... [ 44.259005] cgroup: Unknown subsys name 'net' [ 44.319097] cgroup: Unknown subsys name 'cpuset' [ 44.330713] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program VM DIAGNOSIS: 14:50:18 Registers: info registers vcpu 0 RAX=0000000000000000 RBX=00000000005b99af RCX=ffffffff81634b2b RDX=ffff88801a1e0000 RSI=0000000000000000 RDI=0000000000000007 RBP=ffff88806ce085e8 RSP=ffff88806ce08528 R8 =000f424000000000 R9 =ffffed100d9c10ad R10=0000000000000000 R11=0000000000000001 R12=0000000000000000 R13=00000000002aa4fe R14=000000000021471c R15=00000000005b99af RIP=ffffffff81634b3b RFL=00000006 [-----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 00007f911029d900 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=00005557eb2cb954 CR3=000000001f9ad000 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=2038313a30353a343120383120766f4e XMM01=73732878696e755f6d6170203a5d3034 XMM02=65736f6c63206e6f6973736573203a29 XMM03=755f6d6170203a5d3034325b64687373 XMM04=69662068637573206f4e203a656c6163 XMM05=3a656c696620766e65206e65706f206f XMM06=65733a6468737328766e655f6d617020 XMM07=6b7a79732037313a30353a3431203831 XMM08=30343d7974696c696261706163202279 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=000000002a1a2353 RBX=ffff888009643780 RCX=0000000097df9a42 RDX=0000000097df9a42 RSI=00000000600e9c5a RDI=0000000081251f8c RBP=ffff8880096441d8 RSP=ffff88806cf08cb0 R8 =0000000000000001 R9 =0000000000000000 R10=0000000000000001 R11=0000000000000000 R12=ffff888009644200 R13=00000000f7ee369c R14=0000000000000001 R15=0000000000000001 RIP=ffffffff815275dc RFL=00000006 [-----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 ffff8880e548f000 00000000 00000000 LDT=0000 fffffe0b00000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007fffa2622bc8 CR3=000000000e33a000 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=18f1d413bf510aaba64ed0905d266742 XMM02=ec2efd57dc4c00df00000000003023b0 XMM03=8296a83c98cd96860000000000302480 XMM04=aadfe0674e429b7d00000000000ae988 XMM05=0f99d44b8d5bf9170000000000320608 XMM06=474038aa6c007e1f000000000031e9a0 XMM07=e042d86d42eb936e000000000030e388 XMM08=8296a83c98cd96860000000000302480 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000