[ 38.739283] ------------[ cut here ]------------ [ 38.740052] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 38.741680] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/233 [ 38.742881] Modules linked in: [ 38.743357] CPU: 1 UID: 104 PID: 233 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 38.745146] Tainted: [W]=WARN [ 38.745592] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 38.746932] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 38.747624] 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 [ 38.750159] RSP: 0018:ffff88800a98fbc0 EFLAGS: 00010286 [ 38.750924] RAX: 0000000000000000 RBX: ffffed1001531f78 RCX: ffffffff813a4050 [ 38.751940] RDX: ffff8880153f5340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 38.752962] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1001531f2f [ 38.753994] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 38.755017] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88800a98fdf8 [ 38.756044] FS: 00007ffa0b96b900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 38.757195] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 38.758067] CR2: 00007fff3fc0cef7 CR3: 000000000d342000 CR4: 0000000000350ef0 [ 38.759093] Call Trace: [ 38.759461] [ 38.759825] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 38.760509] ? __create_object+0x59/0x80 [ 38.761140] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 38.761928] __vmalloc_noprof+0x59/0x60 [ 38.762500] bpf_prog_alloc_no_stats+0x55/0x470 [ 38.763202] ? __pfx_seccomp_check_filter+0x10/0x10 [ 38.763955] bpf_prog_alloc+0x39/0x200 [ 38.764510] ? __pfx_seccomp_check_filter+0x10/0x10 [ 38.765259] bpf_prog_create_from_user+0xb2/0x2f0 [ 38.765997] do_seccomp+0x349/0x25e0 [ 38.766547] ? find_held_lock+0x2b/0x80 [ 38.767158] ? do_prlimit+0x310/0x610 [ 38.767752] ? __pfx_do_seccomp+0x10/0x10 [ 38.768352] ? do_raw_spin_unlock+0x53/0x220 [ 38.769021] ? _raw_spin_unlock+0x1e/0x40 [ 38.769608] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 38.770392] ? static_key_count+0x60/0x80 [ 38.771029] prctl_set_seccomp+0x4e/0x70 [ 38.771617] __do_sys_prctl+0xe6c/0x1d70 [ 38.772249] ? __pfx___do_sys_prctl+0x10/0x10 [ 38.772931] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 38.773667] ? irqentry_exit+0xf3/0x650 [ 38.774296] do_syscall_64+0xbf/0x430 [ 38.774884] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 38.775618] RIP: 0033:0x7ffa0be5d5cd [ 38.776184] 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 [ 38.778734] RSP: 002b:00007fff3fc0add0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 38.779824] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ffa0be5d5cd [ 38.780861] RDX: 00005607ab0aee00 RSI: 0000000000000002 RDI: 0000000000000016 [ 38.781902] RBP: 00007fff3fc0ae30 R08: 0000000000000000 R09: 00007fff3fc0a4d0 [ 38.782923] R10: 0000000000000000 R11: 0000000000000246 R12: 00005607cf94ead0 [ 38.783940] R13: 00007fff3fc0b260 R14: 00005607cf94fbc0 R15: 00005607cf960780 [ 38.784989] [ 38.785331] irq event stamp: 1809 [ 38.785857] hardirqs last enabled at (1819): [] __up_console_sem+0x78/0x80 [ 38.787091] hardirqs last disabled at (1828): [] __up_console_sem+0x5d/0x80 [ 38.788301] softirqs last enabled at (1358): [] handle_softirqs+0x50c/0x770 [ 38.789541] softirqs last disabled at (1847): [] __irq_exit_rcu+0xc4/0x100 [ 38.790758] ---[ end trace 0000000000000000 ]--- Debian GNU/Linux 11 syzkaller ttyS0 syzkaller login: [ 41.372194] ------------[ cut here ]------------ [ 41.373127] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 41.375157] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/243 [ 41.376608] Modules linked in: [ 41.377241] CPU: 1 UID: 104 PID: 243 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 41.379447] Tainted: [W]=WARN [ 41.380101] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 41.381565] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 41.382499] 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 [ 41.385642] RSP: 0018:ffff888016b5fbc0 EFLAGS: 00010286 [ 41.386622] RAX: 0000000000000000 RBX: ffffed1002d6bf78 RCX: ffffffff813a4050 [ 41.387896] RDX: ffff888016401bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 41.389180] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002d6bf2f [ 41.390457] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 41.391730] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888016b5fdf8 [ 41.393015] FS: 00007fe7bafd3900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 41.394440] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 41.395494] CR2: 00007fe7bb4c5580 CR3: 000000000d8cf000 CR4: 0000000000350ef0 [ 41.396765] Call Trace: [ 41.397220] [ 41.397630] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 41.398590] ? __create_object+0x59/0x80 [ 41.399385] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 41.400341] __vmalloc_noprof+0x59/0x60 [ 41.401091] bpf_prog_alloc_no_stats+0x55/0x470 [ 41.401974] ? __pfx_seccomp_check_filter+0x10/0x10 [ 41.403069] bpf_prog_alloc+0x39/0x200 [ 41.404028] ? __pfx_seccomp_check_filter+0x10/0x10 [ 41.405214] bpf_prog_create_from_user+0xb2/0x2f0 [ 41.406229] do_seccomp+0x349/0x25e0 [ 41.406972] ? __pfx_css_rstat_updated+0x10/0x10 [ 41.407912] ? __pfx_do_seccomp+0x10/0x10 [ 41.408698] ? find_held_lock+0x2b/0x80 [ 41.409546] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 41.410533] ? static_key_count+0x60/0x80 [ 41.411317] prctl_set_seccomp+0x4e/0x70 [ 41.412092] __do_sys_prctl+0xe6c/0x1d70 [ 41.412872] ? __pfx___do_sys_prctl+0x10/0x10 [ 41.413679] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 41.414657] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 41.415624] ? irqentry_exit+0xf3/0x650 [ 41.416383] do_syscall_64+0xbf/0x430 [ 41.417126] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 41.418080] RIP: 0033:0x7fe7bb4c55cd [ 41.418793] 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 [ 41.421961] RSP: 002b:00007fffe949d1e0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 41.423336] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fe7bb4c55cd [ 41.424601] RDX: 000055e43b1eee00 RSI: 0000000000000002 RDI: 0000000000000016 [ 41.425965] RBP: 00007fffe949d240 R08: 0000000000000000 R09: 00007fffe949c8e0 [ 41.427309] R10: 0000000000000000 R11: 0000000000000246 R12: 000055e478181240 [ 41.428621] R13: 00007fffe949d670 R14: 000055e478180bf0 R15: 000055e4781954d0 [ 41.430012] [ 41.430477] irq event stamp: 1897 [ 41.431100] hardirqs last enabled at (1907): [] __up_console_sem+0x78/0x80 [ 41.432413] hardirqs last disabled at (1922): [] __up_console_sem+0x5d/0x80 [ 41.433700] softirqs last enabled at (1920): [] handle_softirqs+0x50c/0x770 [ 41.435047] softirqs last disabled at (1915): [] __irq_exit_rcu+0xc4/0x100 [ 41.436322] ---[ end trace 0000000000000000 ]--- [ 42.071537] ------------[ cut here ]------------ [ 42.072405] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.074284] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/250 [ 42.075850] Modules linked in: [ 42.076394] CPU: 1 UID: 104 PID: 250 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 42.078278] Tainted: [W]=WARN [ 42.078836] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.080434] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.081295] 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 [ 42.084249] RSP: 0018:ffff88800c27fbc0 EFLAGS: 00010286 [ 42.085161] RAX: 0000000000000000 RBX: ffffed100184ff78 RCX: ffffffff813a4050 [ 42.086358] RDX: ffff888015cf1bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.087559] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed100184ff2f [ 42.088755] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.089964] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88800c27fdf8 [ 42.091169] FS: 00007f21427ef900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 42.092546] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.093550] CR2: 00007ffda2824ef7 CR3: 000000000c221000 CR4: 0000000000350ef0 [ 42.094779] Call Trace: [ 42.095218] [ 42.095605] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.096452] ? __create_object+0x59/0x80 [ 42.097195] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.098119] __vmalloc_noprof+0x59/0x60 [ 42.098840] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.099626] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.100508] bpf_prog_alloc+0x39/0x200 [ 42.101219] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.102124] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.103005] do_seccomp+0x349/0x25e0 [ 42.103665] ? find_held_lock+0x2b/0x80 [ 42.104351] ? do_prlimit+0x310/0x610 [ 42.104966] ? __pfx_do_seccomp+0x10/0x10 [ 42.105682] ? do_raw_spin_unlock+0x53/0x220 [ 42.106493] ? _raw_spin_unlock+0x1e/0x40 [ 42.107224] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.108026] ? static_key_count+0x60/0x80 [ 42.108671] prctl_set_seccomp+0x4e/0x70 [ 42.109317] __do_sys_prctl+0xe6c/0x1d70 [ 42.109972] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.110648] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.111453] ? irqentry_exit+0xf3/0x650 [ 42.112091] do_syscall_64+0xbf/0x430 [ 42.112666] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.113451] RIP: 0033:0x7f2142ce15cd [ 42.114037] 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 [ 42.116686] RSP: 002b:00007ffda2823180 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.117862] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f2142ce15cd [ 42.118945] RDX: 0000564249d50e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.120026] RBP: 00007ffda28231e0 R08: 0000000000000000 R09: 00007ffda2822880 [ 42.121110] R10: 0000000000000000 R11: 0000000000000246 R12: 00005642638ddad0 [ 42.122206] R13: 00007ffda2823610 R14: 00005642638debc0 R15: 00005642638ef780 [ 42.123326] [ 42.123691] irq event stamp: 1843 [ 42.124237] hardirqs last enabled at (1853): [] __up_console_sem+0x78/0x80 [ 42.125518] hardirqs last disabled at (1862): [] __up_console_sem+0x5d/0x80 [ 42.126827] softirqs last enabled at (1384): [] handle_softirqs+0x50c/0x770 [ 42.128149] softirqs last disabled at (1881): [] __irq_exit_rcu+0xc4/0x100 [ 42.129430] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:1231' (ECDSA) to the list of known hosts. 2025/11/17 18:40:14 fuzzer started 2025/11/17 18:40:14 dialing manager at localhost:37895 2025/11/17 18:40:14 checking machine... 2025/11/17 18:40:14 checking revisions... [ 43.035665] kmemleak: Automatic memory scanning thread ended 2025/11/17 18:40:14 testing simple program... [ 43.128518] cgroup: Unknown subsys name 'net' [ 43.196929] cgroup: Unknown subsys name 'cpuset' [ 43.206680] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program VM DIAGNOSIS: 18:40:13 Registers: info registers vcpu 0 RAX=ffff88800c36df18 RBX=0000000000000000 RCX=ffffffff8152d723 RDX=ffff88800c36ded8 RSI=0000000000000000 RDI=ffff88800c36df18 RBP=ffff88800c36df18 RSP=ffff88806ce08dc8 R8 =0000000000000001 R9 =ffffed100d9c11aa R10=0000000000000003 R11=0000000000000001 R12=ffff888020094758 R13=0000000000000246 R14=ffff88800c36df18 R15=ffff88800945d3c0 RIP=ffffffff81b61984 RFL=00000082 [--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 00007fe7bafd3900 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe7400000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007fe7baf82008 CR3=000000000dabb000 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=652022746f6f72223d74636361207469 XMM02=3d6c616e696d72657420322e322e302e XMM03=3d656d616e74736f682022646873732f XMM04=40404040404040404040404040404040 XMM05=5a5a5a5a5a5a5a5a5a5a5a5a5a5a5a5a XMM06=20202020202020202020202020202020 XMM07=00000000000000000000000000000000 XMM08=652075253d64692073253d706f000000 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=0000000000000000 RBX=dffffc0000000000 RCX=ffffffff81ec42fc RDX=ffff88800ae7b780 RSI=0000000000000115 RDI=0000000000000000 RBP=ffffea000070a300 RSP=ffff88800b0af070 R8 =0000000000000000 R9 =fffff940000e1460 R10=0000000000000000 R11=0000000000000001 R12=ffff88800b0af4d8 R13=0000000000000115 R14=ffffea000070a328 R15=0000000000000115 RIP=ffffffff81751798 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 ffff8880e548f000 00000000 00000000 LDT=0000 fffffe0600000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007ffcc5b3b648 CR3=000000000f9a9000 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