[ 38.896266] ------------[ cut here ]------------ [ 38.896868] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 38.898248] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/232 [ 38.899215] Modules linked in: [ 38.899637] CPU: 1 UID: 104 PID: 232 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 38.900940] Tainted: [W]=WARN [ 38.901303] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 38.902270] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 38.902873] 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 [ 38.904992] RSP: 0018:ffff88800a98fbc0 EFLAGS: 00010286 [ 38.905651] RAX: 0000000000000000 RBX: ffffed1001531f78 RCX: ffffffff813a4050 [ 38.906466] RDX: ffff888015c9d340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 38.907327] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1001531f2f [ 38.908172] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 38.909023] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88800a98fdf8 [ 38.909878] FS: 00007f1137760900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 38.910829] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 38.911532] CR2: 00007ffdc4895ef8 CR3: 000000000d03a000 CR4: 0000000000350ef0 [ 38.912341] Call Trace: [ 38.912681] [ 38.912952] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 38.913545] ? __create_object+0x59/0x80 [ 38.914030] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 38.914673] __vmalloc_noprof+0x59/0x60 [ 38.915160] bpf_prog_alloc_no_stats+0x55/0x470 [ 38.915743] ? __pfx_seccomp_check_filter+0x10/0x10 [ 38.916333] bpf_prog_alloc+0x39/0x200 [ 38.916833] ? __pfx_seccomp_check_filter+0x10/0x10 [ 38.917419] bpf_prog_create_from_user+0xb2/0x2f0 [ 38.918022] do_seccomp+0x349/0x25e0 [ 38.918473] ? find_held_lock+0x2b/0x80 [ 38.918991] ? do_prlimit+0x310/0x610 [ 38.919468] ? __pfx_do_seccomp+0x10/0x10 [ 38.920002] ? do_raw_spin_unlock+0x53/0x220 [ 38.920565] ? _raw_spin_unlock+0x1e/0x40 [ 38.921057] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 38.921703] ? static_key_count+0x60/0x80 [ 38.922212] prctl_set_seccomp+0x4e/0x70 [ 38.922736] __do_sys_prctl+0xe6c/0x1d70 [ 38.923241] ? __pfx___do_sys_prctl+0x10/0x10 [ 38.923820] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 38.924434] ? irqentry_exit+0xf3/0x650 [ 38.924956] do_syscall_64+0xbf/0x430 [ 38.925420] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 38.926062] RIP: 0033:0x7f1137c525cd [ 38.926535] 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 [ 38.928668] RSP: 002b:00007ffdc4894720 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 38.929586] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f1137c525cd [ 38.930414] RDX: 000055af810e4e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 38.931275] RBP: 00007ffdc4894780 R08: 0000000000000000 R09: 00007ffdc4893e20 [ 38.932142] R10: 0000000000000000 R11: 0000000000000246 R12: 000055afc01ac2b0 [ 38.932998] R13: 00007ffdc4894bb0 R14: 000055afc01aed20 R15: 000055afc01c08d0 [ 38.933867] [ 38.934149] irq event stamp: 1681 [ 38.934586] hardirqs last enabled at (1691): [] __up_console_sem+0x78/0x80 [ 38.935618] hardirqs last disabled at (1700): [] __up_console_sem+0x5d/0x80 [ 38.936626] softirqs last enabled at (1606): [] handle_softirqs+0x50c/0x770 [ 38.937663] softirqs last disabled at (1597): [] __irq_exit_rcu+0xc4/0x100 [ 38.938676] ---[ end trace 0000000000000000 ]--- Debian GNU/Linux 11 syzkaller ttyS0 syzkaller login: [ 42.034549] ------------[ cut here ]------------ [ 42.035618] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.037893] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/241 [ 42.039592] Modules linked in: [ 42.040270] CPU: 0 UID: 104 PID: 241 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 42.042422] Tainted: [W]=WARN [ 42.043029] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.044613] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.045632] 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 [ 42.049113] RSP: 0018:ffff88801a22fbc0 EFLAGS: 00010286 [ 42.050116] RAX: 0000000000000000 RBX: ffffed1003445f78 RCX: ffffffff813a4050 [ 42.051514] RDX: ffff888018f58000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.052780] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1003445f2f [ 42.054167] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.055566] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801a22fdf8 [ 42.056941] FS: 00007fd7b287f900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 42.058431] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.059563] CR2: 00007fff4db8fef8 CR3: 00000000201cd000 CR4: 0000000000350ef0 [ 42.060851] Call Trace: [ 42.061317] [ 42.061791] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.062771] ? __create_object+0x59/0x80 [ 42.063624] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.064682] __vmalloc_noprof+0x59/0x60 [ 42.065423] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.066395] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.067409] bpf_prog_alloc+0x39/0x200 [ 42.068265] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.069318] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.070332] do_seccomp+0x349/0x25e0 [ 42.071077] ? find_held_lock+0x2b/0x80 [ 42.071960] ? do_prlimit+0x310/0x610 [ 42.072809] ? __pfx_do_seccomp+0x10/0x10 [ 42.073690] ? do_raw_spin_unlock+0x53/0x220 [ 42.074606] ? _raw_spin_unlock+0x1e/0x40 [ 42.075445] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.076612] ? static_key_count+0x60/0x80 [ 42.077463] prctl_set_seccomp+0x4e/0x70 [ 42.078312] __do_sys_prctl+0xe6c/0x1d70 [ 42.079236] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.080234] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.081234] ? irqentry_exit+0xf3/0x650 [ 42.081994] do_syscall_64+0xbf/0x430 [ 42.082744] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.083721] RIP: 0033:0x7fd7b2d715cd [ 42.084386] 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 [ 42.087532] RSP: 002b:00007fff4db8e1c0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.088884] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fd7b2d715cd [ 42.090153] RDX: 000055a213e48e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.091453] RBP: 00007fff4db8e220 R08: 0000000000000000 R09: 00007fff4db8d8c0 [ 42.092755] R10: 0000000000000000 R11: 0000000000000246 R12: 000055a228eccad0 [ 42.094035] R13: 00007fff4db8e650 R14: 000055a228ecdbc0 R15: 000055a228ede780 [ 42.095336] [ 42.095791] irq event stamp: 1769 [ 42.096203] hardirqs last enabled at (1777): [] __up_console_sem+0x78/0x80 [ 42.097172] hardirqs last disabled at (1786): [] __up_console_sem+0x5d/0x80 [ 42.098143] softirqs last enabled at (1716): [] handle_softirqs+0x50c/0x770 [ 42.099146] softirqs last disabled at (1711): [] __irq_exit_rcu+0xc4/0x100 [ 42.100062] ---[ end trace 0000000000000000 ]--- [ 42.779360] ------------[ cut here ]------------ [ 42.780282] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.782275] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/248 [ 42.783713] Modules linked in: [ 42.784294] CPU: 1 UID: 104 PID: 248 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 42.786234] Tainted: [W]=WARN [ 42.786811] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.788272] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.789168] 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 [ 42.792285] RSP: 0018:ffff888017b3fbc0 EFLAGS: 00010286 [ 42.793262] RAX: 0000000000000000 RBX: ffffed1002f67f78 RCX: ffffffff813a4050 [ 42.794531] RDX: ffff88800d360000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.795802] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002f67f2f [ 42.797062] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.798321] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888017b3fdf8 [ 42.799593] FS: 00007f657f0ec900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 42.801007] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.802050] CR2: 00007ffec15c0ef8 CR3: 000000001ff4a000 CR4: 0000000000350ef0 [ 42.803326] Call Trace: [ 42.803822] [ 42.804225] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.805111] ? __create_object+0x59/0x80 [ 42.805889] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.806850] __vmalloc_noprof+0x59/0x60 [ 42.807612] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.808432] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.809346] bpf_prog_alloc+0x39/0x200 [ 42.810074] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.810994] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.811899] do_seccomp+0x349/0x25e0 [ 42.812611] ? find_held_lock+0x2b/0x80 [ 42.813321] ? do_prlimit+0x310/0x610 [ 42.814062] ? __pfx_do_seccomp+0x10/0x10 [ 42.814840] ? do_raw_spin_unlock+0x53/0x220 [ 42.815692] ? _raw_spin_unlock+0x1e/0x40 [ 42.816413] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.817372] ? static_key_count+0x60/0x80 [ 42.818167] prctl_set_seccomp+0x4e/0x70 [ 42.818937] __do_sys_prctl+0xe6c/0x1d70 [ 42.819730] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.820588] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.821562] ? irqentry_exit+0xf3/0x650 [ 42.822270] do_syscall_64+0xbf/0x430 [ 42.823019] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.823976] RIP: 0033:0x7f657f5de5cd [ 42.824681] 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 [ 42.827828] RSP: 002b:00007ffec15be430 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.829174] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f657f5de5cd [ 42.830440] RDX: 000055a411aa5e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.831713] RBP: 00007ffec15be490 R08: 0000000000000000 R09: 00007ffec15bdb30 [ 42.832975] R10: 0000000000000000 R11: 0000000000000246 R12: 000055a415831ad0 [ 42.834243] R13: 00007ffec15be8c0 R14: 000055a415832bc0 R15: 000055a415843780 [ 42.835540] [ 42.835957] irq event stamp: 1723 [ 42.836541] hardirqs last enabled at (1733): [] __up_console_sem+0x78/0x80 [ 42.837762] hardirqs last disabled at (1742): [] __up_console_sem+0x5d/0x80 [ 42.838986] softirqs last enabled at (1296): [] handle_softirqs+0x50c/0x770 [ 42.840246] softirqs last disabled at (1291): [] __irq_exit_rcu+0xc4/0x100 [ 42.841467] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:40208' (ECDSA) to the list of known hosts. 2025/11/17 10:27:05 fuzzer started 2025/11/17 10:27:05 dialing manager at localhost:37895 2025/11/17 10:27:05 checking machine... 2025/11/17 10:27:05 checking revisions... [ 43.635137] kmemleak: Automatic memory scanning thread ended 2025/11/17 10:27:05 testing simple program... [ 43.690800] cgroup: Unknown subsys name 'net' [ 43.735895] cgroup: Unknown subsys name 'cpuset' [ 43.750811] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program VM DIAGNOSIS: 10:27:05 Registers: info registers vcpu 0 RAX=ffffffff86fb939a RBX=ffffffff81618fa0 RCX=ffff88806ce089c4 RDX=1ffff1100d9c1159 RSI=ffffffff86fb939a RDI=ffff88806ce08b38 RBP=ffff88806ce08b08 RSP=ffff88806ce08a68 R8 =0000000000000001 R9 =0000000000000000 R10=0000000000000001 R11=0000000000000001 R12=ffff88806ce08b38 R13=0000000000000000 R14=ffffffff85c2ca00 R15=ffff888008c4b780 RIP=ffffffff81618fa4 RFL=00000286 [--S--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 fffffe6b00000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f34fa593000 CR3=000000000dcac000 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=70e043fefcb4aa994e4bba70cd4e6e83 XMM02=0000000000304ca0eff9b2d0a8fce9cb XMM03=0000000000304d702c67c8bc2e329bc3 XMM04=621ea7c13501bcce00000000000ae988 XMM05=07c8bb74b6c04a4400000000003220c0 XMM06=165d189f4618f0f7000000000031b828 XMM07=e042d86d42eb936e00000000003120b0 XMM08=caa89222bae2997c0000000000304d70 XMM09=00000000000000000000000000000000 XMM10=20200000000020202020202020200000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=0000000000000002 RBX=ffff88800a449bc0 RCX=0000000000000200 RDX=0000000000000008 RSI=ffff88800a44a618 RDI=00000000ffffffff RBP=ffff88800a44a618 RSP=ffff8880164d77b8 R8 =0000000000000000 R9 =0000000000000000 R10=0000000000000001 R11=0000000000000001 R12=ffff88800a44a618 R13=ffffffffffffffff R14=0000000000000000 R15=0000000000000000 RIP=ffffffff81527562 RFL=00000046 [---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 00007fd7b287f900 00000000 00000000 GS =0000 ffff8880e548f000 00000000 00000000 LDT=0000 fffffe3b00000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007fff4db88000 CR3=000000002020f000 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=563412feff00545000000000000080fe 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