syzkaller login: [ 39.014099] ------------[ cut here ]------------ [ 39.015170] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 39.017486] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/232 [ 39.019176] Modules linked in: [ 39.020152] CPU: 1 UID: 104 PID: 232 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 39.022975] Tainted: [W]=WARN [ 39.023621] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 39.025319] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 39.026386] 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 [ 39.030068] RSP: 0018:ffff88801b787bc0 EFLAGS: 00010286 [ 39.031213] RAX: 0000000000000000 RBX: ffffed10036f0f78 RCX: ffffffff813a4050 [ 39.032700] RDX: ffff888016bd5340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 39.034176] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed10036f0f2f [ 39.035672] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 39.037154] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801b787df8 [ 39.038643] FS: 00007f019cd15900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 39.040313] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 39.041543] CR2: 00007f019d207580 CR3: 000000000e1ce000 CR4: 0000000000350ef0 [ 39.043027] Call Trace: [ 39.043505] [ 39.044011] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 39.045117] ? __create_object+0x59/0x80 [ 39.045930] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.046922] __vmalloc_noprof+0x59/0x60 [ 39.047633] bpf_prog_alloc_no_stats+0x55/0x470 [ 39.048519] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.049473] bpf_prog_alloc+0x39/0x200 [ 39.050237] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.051205] bpf_prog_create_from_user+0xb2/0x2f0 [ 39.052139] do_seccomp+0x349/0x25e0 [ 39.052893] ? __pfx_css_rstat_updated+0x10/0x10 [ 39.053750] ? __pfx_do_seccomp+0x10/0x10 [ 39.054582] ? find_held_lock+0x2b/0x80 [ 39.055371] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 39.056481] ? static_key_count+0x60/0x80 [ 39.057522] prctl_set_seccomp+0x4e/0x70 [ 39.058519] __do_sys_prctl+0xe6c/0x1d70 [ 39.059560] ? __pfx___do_sys_prctl+0x10/0x10 [ 39.060641] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.061871] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 39.062893] ? irqentry_exit+0xf3/0x650 [ 39.063609] do_syscall_64+0xbf/0x430 [ 39.064375] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 39.065338] RIP: 0033:0x7f019d2075cd [ 39.066052] 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 [ 39.069275] RSP: 002b:00007ffdf773c720 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 39.070674] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f019d2075cd [ 39.071975] RDX: 000056199a855e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 39.073267] RBP: 00007ffdf773c780 R08: 0000000000000000 R09: 00007ffdf773be20 [ 39.074552] R10: 0000000000000000 R11: 0000000000000246 R12: 000056199d67bb10 [ 39.075887] R13: 00007ffdf773cbb0 R14: 000056199d67c2b0 R15: 000056199d6906f0 [ 39.077209] [ 39.077629] irq event stamp: 1877 [ 39.078311] hardirqs last enabled at (1903): [] __up_console_sem+0x78/0x80 [ 39.079876] hardirqs last disabled at (1912): [] __up_console_sem+0x5d/0x80 [ 39.081416] softirqs last enabled at (1900): [] handle_softirqs+0x50c/0x770 [ 39.083000] softirqs last disabled at (1885): [] __irq_exit_rcu+0xc4/0x100 [ 39.084290] ---[ end trace 0000000000000000 ]--- [ 42.554896] ------------[ cut here ]------------ [ 42.555768] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.557845] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/241 [ 42.559495] Modules linked in: [ 42.560189] CPU: 0 UID: 104 PID: 241 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 42.562147] Tainted: [W]=WARN [ 42.562690] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.564126] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.565011] 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 [ 42.568094] RSP: 0018:ffff88800e45fbc0 EFLAGS: 00010286 [ 42.569056] RAX: 0000000000000000 RBX: ffffed1001c8bf78 RCX: ffffffff813a4050 [ 42.570308] RDX: ffff88800f103780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.571566] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1001c8bf2f [ 42.572829] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.574092] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88800e45fdf8 [ 42.575364] FS: 00007f956a2ee900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 42.576775] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.577844] CR2: 00007f956a8544a6 CR3: 000000001e7e2000 CR4: 0000000000350ef0 [ 42.579111] Call Trace: [ 42.579565] [ 42.580003] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.580888] ? __create_object+0x59/0x80 [ 42.581611] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.582569] __vmalloc_noprof+0x59/0x60 [ 42.583334] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.584188] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.585105] bpf_prog_alloc+0x39/0x200 [ 42.585789] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.586715] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.587595] do_seccomp+0x349/0x25e0 [ 42.588294] ? lock_acquire+0x15e/0x2f0 [ 42.589037] ? find_held_lock+0x2b/0x80 [ 42.589736] ? __pfx_do_seccomp+0x10/0x10 [ 42.590515] ? lock_release+0xc8/0x290 [ 42.591259] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.592193] ? static_key_count+0x60/0x80 [ 42.592977] prctl_set_seccomp+0x4e/0x70 [ 42.593696] __do_sys_prctl+0xe6c/0x1d70 [ 42.594470] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.595330] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.596287] do_syscall_64+0xbf/0x430 [ 42.597019] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.597963] RIP: 0033:0x7f956a7e05cd [ 42.598618] 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 [ 42.601698] RSP: 002b:00007ffed122c1d0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.603065] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f956a7e05cd [ 42.604307] RDX: 0000558ff2e20e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.605561] RBP: 00007ffed122c230 R08: 0000000000000000 R09: 00007ffed122b8d0 [ 42.606844] R10: 0000000000000000 R11: 0000000000000246 R12: 0000559030f402b0 [ 42.608101] R13: 00007ffed122c660 R14: 0000559030f42d20 R15: 0000559030f548d0 [ 42.609367] [ 42.609772] irq event stamp: 1771 [ 42.610392] hardirqs last enabled at (1781): [] __up_console_sem+0x78/0x80 [ 42.611865] hardirqs last disabled at (1790): [] __up_console_sem+0x5d/0x80 [ 42.613317] softirqs last enabled at (1710): [] handle_softirqs+0x50c/0x770 [ 42.614824] softirqs last disabled at (1705): [] __irq_exit_rcu+0xc4/0x100 [ 42.616268] ---[ end trace 0000000000000000 ]--- [ 43.420344] ------------[ cut here ]------------ [ 43.421107] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 43.422826] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/248 [ 43.424049] Modules linked in: [ 43.424546] CPU: 1 UID: 104 PID: 248 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 43.426181] Tainted: [W]=WARN [ 43.426648] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 43.427856] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 43.428580] 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 [ 43.431234] RSP: 0018:ffff888016f7fbc0 EFLAGS: 00010286 [ 43.432049] RAX: 0000000000000000 RBX: ffffed1002deff78 RCX: ffffffff813a4050 [ 43.433112] RDX: ffff888019a88000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 43.434174] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002deff2f [ 43.435254] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 43.436321] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888016f7fdf8 [ 43.437392] FS: 00007f5c08251900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 43.438597] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 43.439483] CR2: 00007f5c08743580 CR3: 000000001e737000 CR4: 0000000000350ef0 [ 43.440545] Call Trace: [ 43.440964] [ 43.441305] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 43.442060] ? __create_object+0x59/0x80 [ 43.442678] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 43.443486] __vmalloc_noprof+0x59/0x60 [ 43.444108] bpf_prog_alloc_no_stats+0x55/0x470 [ 43.444786] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.445554] bpf_prog_alloc+0x39/0x200 [ 43.446171] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.446952] bpf_prog_create_from_user+0xb2/0x2f0 [ 43.447665] do_seccomp+0x349/0x25e0 [ 43.448265] ? __pfx_css_rstat_updated+0x10/0x10 [ 43.449012] ? __pfx_do_seccomp+0x10/0x10 [ 43.449624] ? find_held_lock+0x2b/0x80 [ 43.450251] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 43.451051] ? static_key_count+0x60/0x80 [ 43.451676] prctl_set_seccomp+0x4e/0x70 [ 43.452321] __do_sys_prctl+0xe6c/0x1d70 [ 43.452959] ? __pfx___do_sys_prctl+0x10/0x10 [ 43.453626] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 43.454420] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 43.455238] ? irqentry_exit+0xf3/0x650 [ 43.455871] do_syscall_64+0xbf/0x430 [ 43.456444] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 43.457235] RIP: 0033:0x7f5c087435cd [ 43.457782] 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 [ 43.460439] RSP: 002b:00007fff54703950 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 43.461571] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f5c087435cd [ 43.462641] RDX: 0000558d4d28fe00 RSI: 0000000000000002 RDI: 0000000000000016 [ 43.463703] RBP: 00007fff547039b0 R08: 0000000000000000 R09: 00007fff54703050 [ 43.464763] R10: 0000000000000000 R11: 0000000000000246 R12: 0000558d4d7faad0 [ 43.465840] R13: 00007fff54703de0 R14: 0000558d4d7fbbc0 R15: 0000558d4d80c780 [ 43.466944] [ 43.467299] irq event stamp: 1723 [ 43.467798] hardirqs last enabled at (1731): [] __up_console_sem+0x78/0x80 [ 43.469113] hardirqs last disabled at (1742): [] __up_console_sem+0x5d/0x80 [ 43.470414] softirqs last enabled at (1758): [] handle_softirqs+0x50c/0x770 [ 43.471702] softirqs last disabled at (1751): [] __irq_exit_rcu+0xc4/0x100 [ 43.472969] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:60985' (ECDSA) to the list of known hosts. 2025/11/17 13:36:20 fuzzer started 2025/11/17 13:36:20 dialing manager at localhost:37895 2025/11/17 13:36:20 checking machine... 2025/11/17 13:36:20 checking revisions... [ 44.374889] kmemleak: Automatic memory scanning thread ended 2025/11/17 13:36:20 testing simple program... [ 44.459279] cgroup: Unknown subsys name 'net' [ 44.518744] cgroup: Unknown subsys name 'cpuset' [ 44.531103] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program VM DIAGNOSIS: 13:36:19 Registers: info registers vcpu 0 RAX=ffff888009611bc0 RBX=0000000000000000 RCX=0000000000000001 RDX=0000000000000000 RSI=ffffffff8135e4bd RDI=fffffbfff0bc3ffc RBP=ffffffff85e1ffe0 RSP=ffff888009627758 R8 =0000000000000000 R9 =0000000000000000 R10=000000000003c9ed R11=000000000000b615 R12=0000000000000002 R13=0000000000000000 R14=0000000000000000 R15=ffff888009627840 RIP=ffffffff81529327 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 fffffe7c00000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f956a8a3650 CR3=000000000ce9f000 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=000000000000000000000000000000ff XMM02=000000000000000000000000000000ff XMM03=5320444f4854454d5f54505952434e45 XMM04=40404040404040404040404040404040 XMM05=5a5a5a5a5a5a5a5a5a5a5a5a5a5a5a5a XMM06=20202020202020202020202020202020 XMM07=00000000000000000000000000000000 XMM08=ffbc64ffffbc44ffffbc34ffffbc9f00 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=0000000000000002 RBX=ffff88801b787b28 RCX=ffff88801b7879b4 RDX=0000000000000000 RSI=ffffffff81b61825 RDI=ffff88801b787b34 RBP=0000000000000000 RSP=ffff88801b787a40 R8 =ffffffff86a49c3a R9 =ffff88801b787aa0 R10=000000000003c9ed R11=0000000000012f69 R12=ffff88801b787b28 R13=0000000000000000 R14=ffff88800f105340 R15=ffff888008c42000 RIP=ffffffff81619094 RFL=00000202 [-------] 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 00007f956a2ee900 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=00007f956a8a60b0 CR3=000000000ce9f000 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=25252525252525252525252525252525 XMM01=000000000000000000000000000000ff XMM02=000000000000000000000000000000ff XMM03=5320444f4854454d5f54505952434e45 XMM04=40404040404040404040404040404040 XMM05=5a5a5a5a5a5a5a5a5a5a5a5a5a5a5a5a XMM06=20202020202020202020202020202020 XMM07=00000000000000000000000000000000 XMM08=662079726f6d656d20666f2074756f00 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000