[ 38.889709] ------------[ cut here ]------------ [ 38.890665] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 38.892680] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/233 [ 38.894138] Modules linked in: [ 38.894793] CPU: 0 UID: 104 PID: 233 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 38.896785] Tainted: [W]=WARN [ 38.897345] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 38.898803] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 38.899737] Code: e0 ad 11 00 81 e6 1f 52 ee ff 89 4c 24 40 89 74 24 30 90 48 c7 c7 40 38 f1 84 4c 8d 44 24 40 48 8d 54 24 30 e8 30 7b 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 [ 38.902922] RSP: 0018:ffff888014557bc0 EFLAGS: 00010286 [ 38.903911] RAX: 0000000000000000 RBX: ffffed10028aaf78 RCX: ffffffff813a4050 [ 38.905192] RDX: ffff88800f3f0000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 38.906502] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed10028aaf2f [ 38.907806] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 38.909102] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888014557df8 [ 38.910383] FS: 00007faf728ff900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 38.911833] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 38.912898] CR2: 00007ffd9fd3fef7 CR3: 0000000009bfc000 CR4: 0000000000350ef0 [ 38.914177] Call Trace: [ 38.914685] [ 38.915113] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 38.916004] ? __create_object+0x59/0x80 [ 38.916770] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 38.917819] __vmalloc_noprof+0x59/0x60 [ 38.918540] bpf_prog_alloc_no_stats+0x55/0x470 [ 38.919123] ? __pfx_seccomp_check_filter+0x10/0x10 [ 38.919769] bpf_prog_alloc+0x39/0x200 [ 38.920248] ? __pfx_seccomp_check_filter+0x10/0x10 [ 38.920886] bpf_prog_create_from_user+0xb2/0x2f0 [ 38.921504] do_seccomp+0x349/0x25e0 [ 38.921969] ? find_held_lock+0x2b/0x80 [ 38.922464] ? do_prlimit+0x310/0x610 [ 38.922985] ? __pfx_do_seccomp+0x10/0x10 [ 38.923525] ? do_raw_spin_unlock+0x53/0x220 [ 38.924074] ? _raw_spin_unlock+0x1e/0x40 [ 38.924605] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 38.925235] ? static_key_count+0x60/0x80 [ 38.925784] prctl_set_seccomp+0x4e/0x70 [ 38.926280] __do_sys_prctl+0xe6c/0x1d70 [ 38.926811] ? __pfx___do_sys_prctl+0x10/0x10 [ 38.927371] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 38.928024] ? irqentry_exit+0xf3/0x650 [ 38.928553] do_syscall_64+0xbf/0x430 [ 38.929023] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 38.929669] RIP: 0033:0x7faf72df15cd [ 38.930122] 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 [ 38.932290] RSP: 002b:00007ffd9fd3dcc0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 38.933228] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007faf72df15cd [ 38.934104] RDX: 000055acb4953e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 38.934981] RBP: 00007ffd9fd3dd20 R08: 0000000000000000 R09: 00007ffd9fd3d3c0 [ 38.935852] R10: 0000000000000000 R11: 0000000000000246 R12: 000055accc66dad0 [ 38.936724] R13: 00007ffd9fd3e150 R14: 000055accc66ebc0 R15: 000055accc67f780 [ 38.937618] [ 38.937907] irq event stamp: 1707 [ 38.938326] hardirqs last enabled at (1715): [] __up_console_sem+0x78/0x80 [ 38.939415] hardirqs last disabled at (1724): [] __up_console_sem+0x5d/0x80 [ 38.940495] softirqs last enabled at (1742): [] handle_softirqs+0x50c/0x770 [ 38.941582] softirqs last disabled at (1737): [] __irq_exit_rcu+0xc4/0x100 [ 38.942621] ---[ end trace 0000000000000000 ]--- Debian GNU/Linux 11 syzkaller ttyS0 syzkaller login: [ 42.184760] ------------[ cut here ]------------ [ 42.185677] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.187759] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/243 [ 42.189380] Modules linked in: [ 42.190129] CPU: 1 UID: 104 PID: 243 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 42.192195] Tainted: [W]=WARN [ 42.192786] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.194336] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.195655] Code: e0 ad 11 00 81 e6 1f 52 ee ff 89 4c 24 40 89 74 24 30 90 48 c7 c7 40 38 f1 84 4c 8d 44 24 40 48 8d 54 24 30 e8 30 7b 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 [ 42.199298] RSP: 0018:ffff888016eb7bc0 EFLAGS: 00010286 [ 42.200417] RAX: 0000000000000000 RBX: ffffed1002dd6f78 RCX: ffffffff813a4050 [ 42.201889] RDX: ffff888019e5d340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.203372] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002dd6f2f [ 42.204833] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.206304] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888016eb7df8 [ 42.207806] FS: 00007f90809bf900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 42.209452] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.210685] CR2: 00007ffd667b0ef7 CR3: 000000000b89d000 CR4: 0000000000350ef0 [ 42.212175] Call Trace: [ 42.212743] [ 42.213216] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.214244] ? __create_object+0x59/0x80 [ 42.215147] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.216250] __vmalloc_noprof+0x59/0x60 [ 42.217116] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.218116] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.219178] bpf_prog_alloc+0x39/0x200 [ 42.219913] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.220837] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.221731] do_seccomp+0x349/0x25e0 [ 42.222396] ? find_held_lock+0x2b/0x80 [ 42.223167] ? do_prlimit+0x310/0x610 [ 42.223911] ? __pfx_do_seccomp+0x10/0x10 [ 42.224692] ? do_raw_spin_unlock+0x53/0x220 [ 42.225471] ? _raw_spin_unlock+0x1e/0x40 [ 42.226238] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.227214] ? static_key_count+0x60/0x80 [ 42.227997] prctl_set_seccomp+0x4e/0x70 [ 42.228755] __do_sys_prctl+0xe6c/0x1d70 [ 42.229535] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.230344] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.231305] ? irqentry_exit+0xf3/0x650 [ 42.232057] do_syscall_64+0xbf/0x430 [ 42.232793] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.233744] RIP: 0033:0x7f9080eb15cd [ 42.234410] 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 [ 42.237636] RSP: 002b:00007ffd667af890 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.239021] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f9080eb15cd [ 42.240297] RDX: 00005648452e9e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.241586] RBP: 00007ffd667af8f0 R08: 0000000000000000 R09: 00007ffd667aef90 [ 42.242885] R10: 0000000000000000 R11: 0000000000000246 R12: 00005648614ed240 [ 42.244195] R13: 00007ffd667afd20 R14: 00005648614ecbf0 R15: 00005648615014d0 [ 42.245510] [ 42.245936] irq event stamp: 1815 [ 42.246580] hardirqs last enabled at (1825): [] __up_console_sem+0x78/0x80 [ 42.248108] hardirqs last disabled at (1834): [] __up_console_sem+0x5d/0x80 [ 42.249614] softirqs last enabled at (1594): [] handle_softirqs+0x50c/0x770 [ 42.251166] softirqs last disabled at (1853): [] __irq_exit_rcu+0xc4/0x100 [ 42.252661] ---[ end trace 0000000000000000 ]--- [ 43.041773] ------------[ cut here ]------------ [ 43.042720] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 43.044692] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/250 [ 43.046191] Modules linked in: [ 43.046829] CPU: 0 UID: 104 PID: 250 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 43.048807] Tainted: [W]=WARN [ 43.049358] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 43.050822] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 43.051740] Code: e0 ad 11 00 81 e6 1f 52 ee ff 89 4c 24 40 89 74 24 30 90 48 c7 c7 40 38 f1 84 4c 8d 44 24 40 48 8d 54 24 30 e8 30 7b 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 [ 43.054859] RSP: 0018:ffff888018b87bc0 EFLAGS: 00010286 [ 43.055841] RAX: 0000000000000000 RBX: ffffed1003170f78 RCX: ffffffff813a4050 [ 43.057121] RDX: ffff888016903780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 43.058391] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1003170f2f [ 43.059674] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 43.060960] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888018b87df8 [ 43.062225] FS: 00007f94af4f5900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 43.063661] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 43.064715] CR2: 00007f94af9e7580 CR3: 000000000b6f9000 CR4: 0000000000350ef0 [ 43.065991] Call Trace: [ 43.066449] [ 43.066900] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 43.067802] ? __create_object+0x59/0x80 [ 43.068590] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 43.069564] __vmalloc_noprof+0x59/0x60 [ 43.070280] bpf_prog_alloc_no_stats+0x55/0x470 [ 43.071159] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.072090] bpf_prog_alloc+0x39/0x200 [ 43.072834] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.073756] bpf_prog_create_from_user+0xb2/0x2f0 [ 43.074656] do_seccomp+0x349/0x25e0 [ 43.075334] ? __pfx_css_rstat_updated+0x10/0x10 [ 43.076230] ? __pfx_do_seccomp+0x10/0x10 [ 43.077006] ? find_held_lock+0x2b/0x80 [ 43.077769] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 43.078730] ? static_key_count+0x60/0x80 [ 43.079546] prctl_set_seccomp+0x4e/0x70 [ 43.080277] __do_sys_prctl+0xe6c/0x1d70 [ 43.081060] ? __pfx___do_sys_prctl+0x10/0x10 [ 43.081922] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 43.082884] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 43.083853] ? irqentry_exit+0xf3/0x650 [ 43.084612] do_syscall_64+0xbf/0x430 [ 43.085296] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 43.086240] RIP: 0033:0x7f94af9e75cd [ 43.086930] 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 [ 43.090091] RSP: 002b:00007ffed75b4fb0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 43.091469] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f94af9e75cd [ 43.092761] RDX: 000055a7a45b7e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 43.094027] RBP: 00007ffed75b5010 R08: 0000000000000000 R09: 00007ffed75b46b0 [ 43.095316] R10: 0000000000000000 R11: 0000000000000246 R12: 000055a7bcbe6ad0 [ 43.096597] R13: 00007ffed75b5440 R14: 000055a7bcbe7bc0 R15: 000055a7bcbf8780 [ 43.097879] [ 43.098298] irq event stamp: 1783 [ 43.098926] hardirqs last enabled at (1793): [] __up_console_sem+0x78/0x80 [ 43.100451] hardirqs last disabled at (1802): [] __up_console_sem+0x5d/0x80 [ 43.101970] softirqs last enabled at (1762): [] handle_softirqs+0x50c/0x770 [ 43.103530] softirqs last disabled at (1757): [] __irq_exit_rcu+0xc4/0x100 [ 43.105024] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:10071' (ECDSA) to the list of known hosts. 2025/11/18 22:16:11 fuzzer started 2025/11/18 22:16:11 dialing manager at localhost:34383 2025/11/18 22:16:12 checking machine... 2025/11/18 22:16:12 checking revisions... [ 43.975743] kmemleak: Automatic memory scanning thread ended 2025/11/18 22:16:12 testing simple program... [ 44.058918] cgroup: Unknown subsys name 'net' [ 44.125174] cgroup: Unknown subsys name 'cpuset' [ 44.136798] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program VM DIAGNOSIS: 22:16:11 Registers: info registers vcpu 0 RAX=ffffffff81b2a224 RBX=ffffffff81619130 RCX=ffff888009627794 RDX=1ffff110012c4f13 RSI=ffffffff81b2a224 RDI=ffff888009627908 RBP=ffff8880096278d8 RSP=ffff888009627838 R8 =ffffffff86a49dd0 R9 =ffff888009627880 R10=000000000003c9ed R11=0000000000012f5f R12=ffff888009627908 R13=0000000000000000 R14=ffff888009611bc0 R15=ffff888008c4b780 RIP=ffffffff81619134 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 fffffe6d00000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00005648615142a8 CR3=000000000b755000 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=36313a323220383120766f4e3e36383c XMM01=7365733a646873732878696e755f6d61 XMM02=736f6c63206e6f6973736573203a296e XMM03=5f6d6170203a5d3234325b6468737320 XMM04=6456774875434142334f726f59427469 XMM05=485320415352203a3268737320383237 XMM06=206d6f726620746f6f7220726f662079 XMM07=00000000000000000000000000000000 XMM08=3a677562656420676f6c737973720000 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=0000000000000001 RBX=ffffffff81b8b99b RCX=ffff88801a357a44 RDX=1ffff1100346af69 RSI=ffffffff85e1ffe0 RDI=ffffffff81b8b99b RBP=ffffffff81b8b99b RSP=ffff88801a357ab0 R8 =0000000000000001 R9 =ffff88801a357b30 R10=000000000003c9ed R11=0000000000023e33 R12=ffff88801a357bb8 R13=0000000000000000 R14=ffff888016795340 R15=ffff888008c41780 RIP=ffffffff81439cd1 RFL=00000287 [--S--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 00007f90809bf900 00000000 00000000 GS =0000 ffff8880e548f000 00000000 00000000 LDT=0000 fffffe4000000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f9080f76618 CR3=00000000218b4000 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=6e69676f6c5f6d61702c78756e696c65 XMM02=755f6d61702c74696d7265705f6d6170 XMM03=2c766e655f6d61702c7374696d696c5f XMM04=6d61702c766e655f6d61702c7374696d XMM05=78696e755f6d61702c74696d7265705f XMM06=6469756e69676f6c5f6d61702c78756e XMM07=672065736f6c635f6e6f69737365733a XMM08=61662029286e65706f5f746964756100 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000