[ 38.808970] ------------[ cut here ]------------ [ 38.809893] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 38.811912] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/232 [ 38.813379] Modules linked in: [ 38.814238] CPU: 1 UID: 104 PID: 232 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 38.816296] Tainted: [W]=WARN [ 38.816908] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 38.818361] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 38.819313] 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 [ 38.822491] RSP: 0018:ffff88800b797bc0 EFLAGS: 00010286 [ 38.823484] RAX: 0000000000000000 RBX: ffffed10016f2f78 RCX: ffffffff813a4050 [ 38.824787] RDX: ffff88800b038000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 38.826076] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed10016f2f2f [ 38.827385] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 38.828658] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88800b797df8 [ 38.829936] FS: 00007f5059e0a900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 38.831368] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 38.832427] CR2: 00007f505a3704a6 CR3: 000000000b627000 CR4: 0000000000350ef0 [ 38.833705] Call Trace: [ 38.834201] [ 38.834619] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 38.835538] ? __create_object+0x59/0x80 [ 38.836333] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 38.837306] __vmalloc_noprof+0x59/0x60 [ 38.838079] bpf_prog_alloc_no_stats+0x55/0x470 [ 38.838954] ? __pfx_seccomp_check_filter+0x10/0x10 [ 38.839888] bpf_prog_alloc+0x39/0x200 [ 38.840575] ? __pfx_seccomp_check_filter+0x10/0x10 [ 38.841503] bpf_prog_create_from_user+0xb2/0x2f0 [ 38.842412] do_seccomp+0x349/0x25e0 [ 38.843144] ? find_held_lock+0x2b/0x80 [ 38.843902] ? do_prlimit+0x310/0x610 [ 38.844614] ? __pfx_do_seccomp+0x10/0x10 [ 38.845411] ? do_raw_spin_unlock+0x53/0x220 [ 38.846238] ? _raw_spin_unlock+0x1e/0x40 [ 38.847035] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 38.848014] ? static_key_count+0x60/0x80 [ 38.848823] prctl_set_seccomp+0x4e/0x70 [ 38.849568] __do_sys_prctl+0xe6c/0x1d70 [ 38.850343] ? __pfx___do_sys_prctl+0x10/0x10 [ 38.851509] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 38.852489] ? irqentry_exit+0xf3/0x650 [ 38.853256] do_syscall_64+0xbf/0x430 [ 38.853998] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 38.854937] RIP: 0033:0x7f505a2fc5cd [ 38.855620] 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 [ 38.858768] RSP: 002b:00007ffeb19a6f50 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 38.860126] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f505a2fc5cd [ 38.861410] RDX: 000056407dd83e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 38.862704] RBP: 00007ffeb19a6fb0 R08: 0000000000000000 R09: 00007ffeb19a6650 [ 38.864015] R10: 0000000000000000 R11: 0000000000000246 R12: 00005640ae7472b0 [ 38.865281] R13: 00007ffeb19a73e0 R14: 00005640ae749d20 R15: 00005640ae75b8d0 [ 38.866599] [ 38.867078] irq event stamp: 1791 [ 38.867681] hardirqs last enabled at (1799): [] __up_console_sem+0x78/0x80 [ 38.868793] hardirqs last disabled at (1808): [] __up_console_sem+0x5d/0x80 [ 38.869719] softirqs last enabled at (1304): [] handle_softirqs+0x50c/0x770 [ 38.870696] softirqs last disabled at (1283): [] __irq_exit_rcu+0xc4/0x100 [ 38.871670] ---[ end trace 0000000000000000 ]--- Debian GNU/Linux 11 syzkaller ttyS0 syzkaller login: [ 42.376293] ------------[ cut here ]------------ [ 42.377204] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.379230] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/241 [ 42.380936] Modules linked in: [ 42.381517] CPU: 1 UID: 104 PID: 241 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 42.383683] Tainted: [W]=WARN [ 42.384307] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.385777] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.386652] 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 [ 42.389817] RSP: 0018:ffff8880180bfbc0 EFLAGS: 00010286 [ 42.390800] RAX: 0000000000000000 RBX: ffffed1003017f78 RCX: ffffffff813a4050 [ 42.392094] RDX: ffff8880146e1bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.393380] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1003017f2f [ 42.394660] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.396098] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff8880180bfdf8 [ 42.397410] FS: 00007fa4e1616900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 42.398854] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.399928] CR2: 00007fa4e1b08580 CR3: 0000000020c21000 CR4: 0000000000350ef0 [ 42.401212] Call Trace: [ 42.401688] [ 42.402131] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.403036] ? __create_object+0x59/0x80 [ 42.403837] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.404803] __vmalloc_noprof+0x59/0x60 [ 42.405513] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.406383] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.407332] bpf_prog_alloc+0x39/0x200 [ 42.408065] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.408994] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.409913] do_seccomp+0x349/0x25e0 [ 42.410591] ? __pfx_css_rstat_updated+0x10/0x10 [ 42.411507] ? __pfx_do_seccomp+0x10/0x10 [ 42.412302] ? find_held_lock+0x2b/0x80 [ 42.413060] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.414024] ? static_key_count+0x60/0x80 [ 42.414825] prctl_set_seccomp+0x4e/0x70 [ 42.415580] __do_sys_prctl+0xe6c/0x1d70 [ 42.416379] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.417250] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.418227] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.419200] ? irqentry_exit+0xf3/0x650 [ 42.419971] do_syscall_64+0xbf/0x430 [ 42.420659] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.421616] RIP: 0033:0x7fa4e1b085cd [ 42.422324] 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 [ 42.425519] RSP: 002b:00007ffc57b42100 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.427173] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fa4e1b085cd [ 42.428581] RDX: 000055e1a98f4e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.429936] RBP: 00007ffc57b42160 R08: 0000000000000000 R09: 00007ffc57b41800 [ 42.431414] R10: 0000000000000000 R11: 0000000000000246 R12: 000055e1d08c5240 [ 42.432703] R13: 00007ffc57b42590 R14: 000055e1d08c4bf0 R15: 000055e1d08d94d0 [ 42.434007] [ 42.434433] irq event stamp: 1759 [ 42.435082] hardirqs last enabled at (1769): [] __up_console_sem+0x78/0x80 [ 42.436594] hardirqs last disabled at (1778): [] __up_console_sem+0x5d/0x80 [ 42.438111] softirqs last enabled at (1726): [] handle_softirqs+0x50c/0x770 [ 42.439654] softirqs last disabled at (1721): [] __irq_exit_rcu+0xc4/0x100 [ 42.441165] ---[ end trace 0000000000000000 ]--- [ 43.328602] ------------[ cut here ]------------ [ 43.329529] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 43.331618] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/249 [ 43.333180] Modules linked in: [ 43.333840] CPU: 0 UID: 104 PID: 249 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 43.335836] Tainted: [W]=WARN [ 43.336407] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 43.337894] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 43.338828] 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 [ 43.342011] RSP: 0018:ffff888017affbc0 EFLAGS: 00010286 [ 43.343000] RAX: 0000000000000000 RBX: ffffed1002f5ff78 RCX: ffffffff813a4050 [ 43.344299] RDX: ffff88801819d340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 43.345596] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002f5ff2f [ 43.346892] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 43.348210] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888017affdf8 [ 43.349491] FS: 00007fcc37f51900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 43.350911] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 43.351981] CR2: 00007fcc38443580 CR3: 000000000cbce000 CR4: 0000000000350ef0 [ 43.353271] Call Trace: [ 43.353795] [ 43.354213] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 43.355126] ? __create_object+0x59/0x80 [ 43.355918] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 43.356893] __vmalloc_noprof+0x59/0x60 [ 43.357603] bpf_prog_alloc_no_stats+0x55/0x470 [ 43.358471] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.359414] bpf_prog_alloc+0x39/0x200 [ 43.360156] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.361089] bpf_prog_create_from_user+0xb2/0x2f0 [ 43.361988] do_seccomp+0x349/0x25e0 [ 43.362665] ? __pfx_css_rstat_updated+0x10/0x10 [ 43.363606] ? __pfx_do_seccomp+0x10/0x10 [ 43.364385] ? find_held_lock+0x2b/0x80 [ 43.365156] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 43.366131] ? static_key_count+0x60/0x80 [ 43.366926] prctl_set_seccomp+0x4e/0x70 [ 43.367656] __do_sys_prctl+0xe6c/0x1d70 [ 43.368442] ? __pfx___do_sys_prctl+0x10/0x10 [ 43.369315] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 43.370317] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 43.371308] ? irqentry_exit+0xf3/0x650 [ 43.372083] do_syscall_64+0xbf/0x430 [ 43.372818] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 43.373785] RIP: 0033:0x7fcc384435cd [ 43.374452] 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 [ 43.377645] RSP: 002b:00007fff13ce56e0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 43.379033] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fcc384435cd [ 43.380335] RDX: 000055a76550ee00 RSI: 0000000000000002 RDI: 0000000000000016 [ 43.381619] RBP: 00007fff13ce5740 R08: 0000000000000000 R09: 00007fff13ce4de0 [ 43.382896] R10: 0000000000000000 R11: 0000000000000246 R12: 000055a779784240 [ 43.384194] R13: 00007fff13ce5b70 R14: 000055a77978d380 R15: 000055a779798540 [ 43.385496] [ 43.385971] irq event stamp: 1753 [ 43.386589] hardirqs last enabled at (1761): [] __up_console_sem+0x78/0x80 [ 43.388136] hardirqs last disabled at (1770): [] __up_console_sem+0x5d/0x80 [ 43.389668] softirqs last enabled at (1720): [] handle_softirqs+0x50c/0x770 [ 43.391218] softirqs last disabled at (1715): [] __irq_exit_rcu+0xc4/0x100 [ 43.392723] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:13935' (ECDSA) to the list of known hosts. 2025/11/17 14:18:06 fuzzer started 2025/11/17 14:18:06 dialing manager at localhost:37895 2025/11/17 14:18:06 checking machine... 2025/11/17 14:18:06 checking revisions... [ 44.272594] kmemleak: Automatic memory scanning thread ended 2025/11/17 14:18:06 testing simple program... [ 44.359123] cgroup: Unknown subsys name 'net' [ 44.414134] cgroup: Unknown subsys name 'cpuset' [ 44.429402] cgroup: Unknown subsys name 'rlimit' executing program executing program VM DIAGNOSIS: 14:18:05 Registers: info registers vcpu 0 RAX=0000000000040000 RBX=ffff88800f3d3780 RCX=0000000000000000 RDX=0000000000000000 RSI=0000000000000000 RDI=ffffffff85ef8ea0 RBP=ffff88800f3d41d8 RSP=ffff88801b15f7d0 R8 =0000000000000000 R9 =000000000000009b R10=0000000000000001 R11=0000000000000000 R12=ffff88800f3d4228 R13=0000000000000000 R14=0000000000000001 R15=0000000000040000 RIP=ffffffff815270bb 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 00007fe7b4ee5900 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe4400000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=0000559fbcd92668 CR3=000000000cb45000 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=0000000000ff000000ff000000000000 XMM02=0000000000ff00000000000000000000 XMM03=00000000000000000000000000000000 XMM04=00000000000000000000000000000000 XMM05=00000000000000000000000000000000 XMM06=00000000000000000000000000000000 XMM07=00000000000000000000000000000000 XMM08=636f72702f0029786c25783020726f72 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=ffffffff815d3080 RBX=ffffffff81618fa0 RCX=ffff88806cf08984 RDX=1ffff1100d9e1151 RSI=ffffffff85e1ffe0 RDI=ffffffff815d3080 RBP=ffff88806cf08ac8 RSP=ffff88806cf08a30 R8 =0000000000000001 R9 =ffff88806cf08a70 R10=000000000003c9ed R11=0000000000025767 R12=ffff88806cf08af8 R13=0000000000000000 R14=ffff888018039bc0 R15=ffff888009472140 RIP=ffffffff812dfbfc 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 00007fa4e1616900 00000000 00000000 GS =0000 ffff8880e548f000 00000000 00000000 LDT=0000 fffffe4900000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00005590614774b0 CR3=000000002079c000 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=ffffffffffff00000000000000000000 XMM02=ffffffffffff00000000000000000000 XMM03=00000000000000000000000000000000 XMM04=00000000000000000000000000000000 XMM05=00000000000000000000000000000000 XMM06=00000000000000000000000000000000 XMM07=00000000000000000000000000000000 XMM08=00000000000073707574726174732064 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000