[ 39.381241] ------------[ cut here ]------------ [ 39.382263] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 39.384517] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/233 [ 39.386110] Modules linked in: [ 39.386753] CPU: 1 UID: 104 PID: 233 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 39.389059] Tainted: [W]=WARN [ 39.389679] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 39.391313] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 39.392321] 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 [ 39.395806] RSP: 0018:ffff888019a8fbc0 EFLAGS: 00010286 [ 39.396874] RAX: 0000000000000000 RBX: ffffed1003351f78 RCX: ffffffff813a4050 [ 39.398271] RDX: ffff88801624b780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 39.399676] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1003351f2f [ 39.401073] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 39.402466] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888019a8fdf8 [ 39.403893] FS: 00007f053d106900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 39.405454] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 39.406619] CR2: 00007f053d5f8580 CR3: 000000000e8bc000 CR4: 0000000000350ef0 [ 39.408020] Call Trace: [ 39.408523] [ 39.409025] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 39.409949] ? __create_object+0x59/0x80 [ 39.410808] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.411867] __vmalloc_noprof+0x59/0x60 [ 39.412675] bpf_prog_alloc_no_stats+0x55/0x470 [ 39.413624] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.414639] bpf_prog_alloc+0x39/0x200 [ 39.415447] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.416459] bpf_prog_create_from_user+0xb2/0x2f0 [ 39.417446] do_seccomp+0x349/0x25e0 [ 39.418227] ? __pfx_css_rstat_updated+0x10/0x10 [ 39.419222] ? __pfx_do_seccomp+0x10/0x10 [ 39.420086] ? find_held_lock+0x2b/0x80 [ 39.420857] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 39.421892] ? static_key_count+0x60/0x80 [ 39.422758] prctl_set_seccomp+0x4e/0x70 [ 39.423607] __do_sys_prctl+0xe6c/0x1d70 [ 39.424486] ? __pfx___do_sys_prctl+0x10/0x10 [ 39.425424] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.426476] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 39.427530] ? irqentry_exit+0xf3/0x650 [ 39.428366] do_syscall_64+0xbf/0x430 [ 39.429172] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 39.430204] RIP: 0033:0x7f053d5f85cd [ 39.430920] 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 [ 39.434325] RSP: 002b:00007ffe579cbfc0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 39.435801] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f053d5f85cd [ 39.437177] RDX: 000055b10b436e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 39.438538] RBP: 00007ffe579cc020 R08: 0000000000000000 R09: 00007ffe579cb6c0 [ 39.439928] R10: 0000000000000000 R11: 0000000000000246 R12: 000055b13a066ad0 [ 39.441300] R13: 00007ffe579cc450 R14: 000055b13a067bc0 R15: 000055b13a078780 [ 39.442695] [ 39.443206] irq event stamp: 1757 [ 39.443867] hardirqs last enabled at (1765): [] __up_console_sem+0x78/0x80 [ 39.445495] hardirqs last disabled at (1774): [] __up_console_sem+0x5d/0x80 [ 39.447306] softirqs last enabled at (1800): [] handle_softirqs+0x50c/0x770 [ 39.448779] softirqs last disabled at (1783): [] __irq_exit_rcu+0xc4/0x100 [ 39.450146] ---[ end trace 0000000000000000 ]--- Debian GNU/Linux 11 syzkaller ttyS0 syzkaller login: [ 42.203864] ------------[ cut here ]------------ [ 42.204314] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.205262] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/241 [ 42.205909] Modules linked in: [ 42.206206] CPU: 0 UID: 104 PID: 241 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 42.207131] Tainted: [W]=WARN [ 42.207384] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.208071] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.208472] 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 [ 42.209934] RSP: 0018:ffff888018e4fbc0 EFLAGS: 00010286 [ 42.210387] RAX: 0000000000000000 RBX: ffffed10031c9f78 RCX: ffffffff813a4050 [ 42.210955] RDX: ffff88801743d340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.211549] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed10031c9f2f [ 42.212136] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.212709] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888018e4fdf8 [ 42.213304] FS: 00007fca3d77e900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 42.213946] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.214484] CR2: 00007fff1e0a7ef7 CR3: 000000001fe20000 CR4: 0000000000350ef0 [ 42.215081] Call Trace: [ 42.215296] [ 42.215483] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.215873] ? __create_object+0x59/0x80 [ 42.216234] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.216662] __vmalloc_noprof+0x59/0x60 [ 42.217007] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.217387] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.217785] bpf_prog_alloc+0x39/0x200 [ 42.218122] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.218530] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.218922] do_seccomp+0x349/0x25e0 [ 42.219251] ? find_held_lock+0x2b/0x80 [ 42.219576] ? do_prlimit+0x310/0x610 [ 42.219892] ? __pfx_do_seccomp+0x10/0x10 [ 42.220256] ? do_raw_spin_unlock+0x53/0x220 [ 42.220615] ? _raw_spin_unlock+0x1e/0x40 [ 42.220949] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.221396] ? static_key_count+0x60/0x80 [ 42.221741] prctl_set_seccomp+0x4e/0x70 [ 42.222097] __do_sys_prctl+0xe6c/0x1d70 [ 42.222434] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.222799] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.223248] ? irqentry_exit+0xf3/0x650 [ 42.223582] do_syscall_64+0xbf/0x430 [ 42.223903] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.224336] RIP: 0033:0x7fca3dc705cd [ 42.224641] 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 [ 42.226087] RSP: 002b:00007fff1e0a5f80 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.226692] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fca3dc705cd [ 42.227286] RDX: 0000559ed11b6e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.227849] RBP: 00007fff1e0a5fe0 R08: 0000000000000000 R09: 00007fff1e0a5680 [ 42.228435] R10: 0000000000000000 R11: 0000000000000246 R12: 0000559edaf112b0 [ 42.229025] R13: 00007fff1e0a6410 R14: 0000559edaf13d20 R15: 0000559edaf258d0 [ 42.229599] [ 42.229792] irq event stamp: 1669 [ 42.230092] hardirqs last enabled at (1679): [] __up_console_sem+0x78/0x80 [ 42.230766] hardirqs last disabled at (1686): [] __up_console_sem+0x5d/0x80 [ 42.231461] softirqs last enabled at (1344): [] handle_softirqs+0x50c/0x770 [ 42.232172] softirqs last disabled at (1331): [] __irq_exit_rcu+0xc4/0x100 [ 42.232850] ---[ end trace 0000000000000000 ]--- [ 42.816508] ------------[ cut here ]------------ [ 42.817443] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.819579] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/249 [ 42.821095] Modules linked in: [ 42.821713] CPU: 1 UID: 104 PID: 249 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 42.823791] Tainted: [W]=WARN [ 42.824419] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.826240] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.827305] 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 [ 42.830631] RSP: 0018:ffff888018cffbc0 EFLAGS: 00010286 [ 42.831691] RAX: 0000000000000000 RBX: ffffed100319ff78 RCX: ffffffff813a4050 [ 42.833061] RDX: ffff88801641b780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.834414] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed100319ff2f [ 42.835809] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.837186] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888018cffdf8 [ 42.838559] FS: 00007f7311a9a900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 42.840048] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.841164] CR2: 00007f73120004a6 CR3: 000000001fc37000 CR4: 0000000000350ef0 [ 42.842497] Call Trace: [ 42.843040] [ 42.843493] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.844460] ? __create_object+0x59/0x80 [ 42.845289] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.846326] __vmalloc_noprof+0x59/0x60 [ 42.847150] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.848085] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.849073] bpf_prog_alloc+0x39/0x200 [ 42.849798] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.850785] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.851741] do_seccomp+0x349/0x25e0 [ 42.852508] ? find_held_lock+0x2b/0x80 [ 42.853314] ? do_prlimit+0x310/0x610 [ 42.854112] ? __pfx_do_seccomp+0x10/0x10 [ 42.854884] ? do_raw_spin_unlock+0x53/0x220 [ 42.855765] ? _raw_spin_unlock+0x1e/0x40 [ 42.856579] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.857585] ? static_key_count+0x60/0x80 [ 42.858423] prctl_set_seccomp+0x4e/0x70 [ 42.859480] __do_sys_prctl+0xe6c/0x1d70 [ 42.860330] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.861242] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.862251] ? irqentry_exit+0xf3/0x650 [ 42.863046] do_syscall_64+0xbf/0x430 [ 42.863797] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.864784] RIP: 0033:0x7f7311f8c5cd [ 42.865505] 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 [ 42.868705] RSP: 002b:00007ffd0a335110 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.870135] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f7311f8c5cd [ 42.871458] RDX: 000055f9d813de00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.872794] RBP: 00007ffd0a335170 R08: 0000000000000000 R09: 00007ffd0a334810 [ 42.874085] R10: 0000000000000000 R11: 0000000000000246 R12: 000055fa12630ad0 [ 42.875413] R13: 00007ffd0a3355a0 R14: 000055fa12631bc0 R15: 000055fa12642780 [ 42.876526] [ 42.876906] irq event stamp: 1813 [ 42.877460] hardirqs last enabled at (1823): [] __up_console_sem+0x78/0x80 [ 42.878743] hardirqs last disabled at (1832): [] __up_console_sem+0x5d/0x80 [ 42.880053] softirqs last enabled at (1752): [] handle_softirqs+0x50c/0x770 [ 42.881374] softirqs last disabled at (1747): [] __irq_exit_rcu+0xc4/0x100 [ 42.882643] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:41137' (ECDSA) to the list of known hosts. 2025/11/17 15:10:08 fuzzer started 2025/11/17 15:10:08 dialing manager at localhost:37895 2025/11/17 15:10:08 checking machine... 2025/11/17 15:10:08 checking revisions... [ 43.820766] kmemleak: Automatic memory scanning thread ended 2025/11/17 15:10:08 testing simple program... [ 43.902413] cgroup: Unknown subsys name 'net' [ 43.962222] cgroup: Unknown subsys name 'cpuset' [ 43.974896] cgroup: Unknown subsys name 'rlimit' executing program executing program VM DIAGNOSIS: 15:10:08 Registers: info registers vcpu 0 RAX=0000000000000000 RBX=ffff888019a8fce0 RCX=0000000000000001 RDX=0000000000000000 RSI=ffffffff8135e7a2 RDI=ffffffff85e1ffe0 RBP=ffffffff85e1ffe0 RSP=ffff888019a8fa08 R8 =0000000000000001 R9 =ffff888019a8fb00 R10=000000000003c9ed R11=0000000000026761 R12=ffffffff8135e7a2 R13=ffff888019a8fb08 R14=ffff888019a8fcb0 R15=ffff888019a8fac0 RIP=ffffffff81528efc 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 00007fca3d77e900 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe4f00000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007fff1e0a0000 CR3=000000000dfb7000 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=74696d7265705f6d61703d73726f746e XMM02=000000000000000000000000000000ff XMM03=5320444f4854454d5f54505952434e45 XMM04=40404040404040404040404040404040 XMM05=5a5a5a5a5a5a5a5a5a5a5a5a5a5a5a5a XMM06=20202020202020202020202020202020 XMM07=00000000000000000000000000000000 XMM08=61662029286e65706f5f746964756100 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=0000000000000000 RBX=ffff888015f57728 RCX=ffff888015f575b4 RDX=1ffff11002beaee7 RSI=ffffffff81aaf525 RDI=ffff888015f57738 RBP=ffff888015f576f8 RSP=ffff888015f57640 R8 =0000000000000001 R9 =ffff888015f576a0 R10=000000000003c9ed R11=0000000000026761 R12=ffff888015f57728 R13=0000000000000000 R14=ffff88800f748000 R15=ffff888008c41780 RIP=ffffffff81618fc6 RFL=00000282 [--S----] 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 00007f9d9b410900 00000000 00000000 GS =0000 ffff8880e548f000 00000000 00000000 LDT=0000 fffffe6b00000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f9d9ab2a000 CR3=000000000da97000 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=ffffffffffffffffffffffffffffffff XMM01=30306234386136303638616663356134 XMM02=38303062343861363036386166633561 XMM03=2f6c616e72756f6a2f676f6c2f6e7572 XMM04=13d7f32de9f7c84800000000000ae988 XMM05=ba2b51e5ab1439390000000000323e80 XMM06=474038aa6c007e1f0000000000322c80 XMM07=00000000000000000000000000000000 XMM08=415453454d49545f454d49544c414552 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000