[ 39.122872] ------------[ cut here ]------------ [ 39.123583] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 39.125150] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/234 [ 39.126256] Modules linked in: [ 39.126738] CPU: 1 UID: 104 PID: 234 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 39.128295] Tainted: [W]=WARN [ 39.128773] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 39.129934] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 39.130636] 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 [ 39.133128] RSP: 0018:ffff888017657bc0 EFLAGS: 00010286 [ 39.133884] RAX: 0000000000000000 RBX: ffffed1002ecaf78 RCX: ffffffff813a4050 [ 39.134877] RDX: ffff88800f439bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 39.135875] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002ecaf2f [ 39.136883] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 39.137873] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888017657df8 [ 39.138875] FS: 00007f9f1164c900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 39.139995] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 39.140818] CR2: 00007fffcc27aef7 CR3: 000000000c554000 CR4: 0000000000350ef0 [ 39.141822] Call Trace: [ 39.142182] [ 39.142526] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 39.143183] ? __create_object+0x59/0x80 [ 39.143794] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.144545] __vmalloc_noprof+0x59/0x60 [ 39.145113] bpf_prog_alloc_no_stats+0x55/0x470 [ 39.145794] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.146529] bpf_prog_alloc+0x39/0x200 [ 39.147072] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.147789] bpf_prog_create_from_user+0xb2/0x2f0 [ 39.148488] do_seccomp+0x349/0x25e0 [ 39.149024] ? find_held_lock+0x2b/0x80 [ 39.149617] ? do_prlimit+0x310/0x610 [ 39.150165] ? __pfx_do_seccomp+0x10/0x10 [ 39.150782] ? do_raw_spin_unlock+0x53/0x220 [ 39.151430] ? _raw_spin_unlock+0x1e/0x40 [ 39.152007] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 39.152766] ? static_key_count+0x60/0x80 [ 39.153358] prctl_set_seccomp+0x4e/0x70 [ 39.153954] __do_sys_prctl+0xe6c/0x1d70 [ 39.154560] ? __pfx___do_sys_prctl+0x10/0x10 [ 39.155190] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 39.155931] ? irqentry_exit+0xf3/0x650 [ 39.156514] do_syscall_64+0xbf/0x430 [ 39.157063] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 39.157806] RIP: 0033:0x7f9f11b3e5cd [ 39.158321] 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 [ 39.160812] RSP: 002b:00007fffcc279670 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 39.161860] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f9f11b3e5cd [ 39.162856] RDX: 0000558701008e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 39.163851] RBP: 00007fffcc2796d0 R08: 0000000000000000 R09: 00007fffcc278d70 [ 39.164851] R10: 0000000000000000 R11: 0000000000000246 R12: 00005587153e3ad0 [ 39.165842] R13: 00007fffcc279b00 R14: 00005587153e4bc0 R15: 00005587153f5780 [ 39.166855] [ 39.167187] irq event stamp: 1727 [ 39.167697] hardirqs last enabled at (1737): [] __up_console_sem+0x78/0x80 [ 39.168906] hardirqs last disabled at (1752): [] __up_console_sem+0x5d/0x80 [ 39.170098] softirqs last enabled at (1750): [] handle_softirqs+0x50c/0x770 [ 39.171299] softirqs last disabled at (1745): [] __irq_exit_rcu+0xc4/0x100 [ 39.172477] ---[ end trace 0000000000000000 ]--- Debian GNU/Linux 11 syzkaller ttyS0 syzkaller login: [ 42.353099] ------------[ cut here ]------------ [ 42.354046] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.356064] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/242 [ 42.357549] Modules linked in: [ 42.358156] CPU: 0 UID: 104 PID: 242 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 42.360113] Tainted: [W]=WARN [ 42.360713] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.362168] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.363082] 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 [ 42.366223] RSP: 0018:ffff888019d17bc0 EFLAGS: 00010286 [ 42.367219] RAX: 0000000000000000 RBX: ffffed10033a2f78 RCX: ffffffff813a4050 [ 42.368513] RDX: ffff88801468b780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.369789] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed10033a2f2f [ 42.371065] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.372338] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888019d17df8 [ 42.373629] FS: 00007f9b1e9d9900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 42.375055] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.376111] CR2: 00007fffe9eaaef7 CR3: 000000001f4c1000 CR4: 0000000000350ef0 [ 42.377414] Call Trace: [ 42.377871] [ 42.378286] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.379175] ? __create_object+0x59/0x80 [ 42.379947] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.380923] __vmalloc_noprof+0x59/0x60 [ 42.381676] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.382543] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.383476] bpf_prog_alloc+0x39/0x200 [ 42.384163] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.385102] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.386014] do_seccomp+0x349/0x25e0 [ 42.386739] ? find_held_lock+0x2b/0x80 [ 42.387490] ? do_prlimit+0x310/0x610 [ 42.388182] ? __pfx_do_seccomp+0x10/0x10 [ 42.388970] ? do_raw_spin_unlock+0x53/0x220 [ 42.389794] ? _raw_spin_unlock+0x1e/0x40 [ 42.390567] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.391527] ? static_key_count+0x60/0x80 [ 42.392272] prctl_set_seccomp+0x4e/0x70 [ 42.393057] __do_sys_prctl+0xe6c/0x1d70 [ 42.393831] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.394702] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.395672] ? irqentry_exit+0xf3/0x650 [ 42.396435] do_syscall_64+0xbf/0x430 [ 42.397135] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.398081] RIP: 0033:0x7f9b1eecb5cd [ 42.398777] 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 [ 42.401920] RSP: 002b:00007fffe9ea9810 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.403267] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f9b1eecb5cd [ 42.404549] RDX: 000055e0c04ece00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.405847] RBP: 00007fffe9ea9870 R08: 0000000000000000 R09: 00007fffe9ea8f10 [ 42.407146] R10: 0000000000000000 R11: 0000000000000246 R12: 000055e0d6988ad0 [ 42.408424] R13: 00007fffe9ea9ca0 R14: 000055e0d6989bc0 R15: 000055e0d699a780 [ 42.409738] [ 42.410159] irq event stamp: 1777 [ 42.410801] hardirqs last enabled at (1787): [] __up_console_sem+0x78/0x80 [ 42.412315] hardirqs last disabled at (1796): [] __up_console_sem+0x5d/0x80 [ 42.413835] softirqs last enabled at (1746): [] handle_softirqs+0x50c/0x770 [ 42.415359] softirqs last disabled at (1735): [] __irq_exit_rcu+0xc4/0x100 [ 42.416898] ---[ end trace 0000000000000000 ]--- [ 43.209973] ------------[ cut here ]------------ [ 43.210911] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 43.212938] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/250 [ 43.214363] Modules linked in: [ 43.214985] CPU: 1 UID: 104 PID: 250 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 43.216934] Tainted: [W]=WARN [ 43.217522] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 43.218985] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 43.219899] 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 [ 43.223020] RSP: 0018:ffff88801a54fbc0 EFLAGS: 00010286 [ 43.223983] RAX: 0000000000000000 RBX: ffffed10034a9f78 RCX: ffffffff813a4050 [ 43.225261] RDX: ffff8880146e8000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 43.226534] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed10034a9f2f [ 43.227808] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 43.229095] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801a54fdf8 [ 43.230367] FS: 00007f00580af900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 43.231831] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 43.232889] CR2: 00007ffd683e1ef7 CR3: 000000001f50a000 CR4: 0000000000350ef0 [ 43.234170] Call Trace: [ 43.234678] [ 43.235089] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 43.235977] ? __create_object+0x59/0x80 [ 43.236762] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 43.237722] __vmalloc_noprof+0x59/0x60 [ 43.238473] bpf_prog_alloc_no_stats+0x55/0x470 [ 43.239287] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.240204] bpf_prog_alloc+0x39/0x200 [ 43.240951] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.241925] bpf_prog_create_from_user+0xb2/0x2f0 [ 43.242819] do_seccomp+0x349/0x25e0 [ 43.243540] ? find_held_lock+0x2b/0x80 [ 43.244246] ? do_prlimit+0x310/0x610 [ 43.244993] ? __pfx_do_seccomp+0x10/0x10 [ 43.245796] ? do_raw_spin_unlock+0x53/0x220 [ 43.246639] ? _raw_spin_unlock+0x1e/0x40 [ 43.247430] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 43.248352] ? static_key_count+0x60/0x80 [ 43.249180] prctl_set_seccomp+0x4e/0x70 [ 43.249967] __do_sys_prctl+0xe6c/0x1d70 [ 43.250768] ? __pfx___do_sys_prctl+0x10/0x10 [ 43.251636] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 43.252611] ? irqentry_exit+0xf3/0x650 [ 43.253346] do_syscall_64+0xbf/0x430 [ 43.254098] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 43.255057] RIP: 0033:0x7f00585a15cd [ 43.255796] 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 [ 43.259006] RSP: 002b:00007ffd683dff60 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 43.260377] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f00585a15cd [ 43.261699] RDX: 00005582617e4e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 43.262995] RBP: 00007ffd683dffc0 R08: 0000000000000000 R09: 00007ffd683df660 [ 43.264291] R10: 0000000000000000 R11: 0000000000000246 R12: 000055829f666ad0 [ 43.265597] R13: 00007ffd683e03f0 R14: 000055829f667bc0 R15: 000055829f678780 [ 43.266913] [ 43.267342] irq event stamp: 1737 [ 43.267998] hardirqs last enabled at (1747): [] __up_console_sem+0x78/0x80 [ 43.269550] hardirqs last disabled at (1756): [] __up_console_sem+0x5d/0x80 [ 43.271094] softirqs last enabled at (1542): [] handle_softirqs+0x50c/0x770 [ 43.272650] softirqs last disabled at (1537): [] __irq_exit_rcu+0xc4/0x100 [ 43.274195] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:18740' (ECDSA) to the list of known hosts. 2025/11/18 06:48:06 fuzzer started 2025/11/18 06:48:07 dialing manager at localhost:37895 2025/11/18 06:48:07 checking machine... 2025/11/18 06:48:07 checking revisions... [ 44.187613] kmemleak: Automatic memory scanning thread ended 2025/11/18 06:48:07 testing simple program... [ 44.272911] cgroup: Unknown subsys name 'net' [ 44.359183] cgroup: Unknown subsys name 'cpuset' [ 44.386837] cgroup: Unknown subsys name 'rlimit' executing program executing program VM DIAGNOSIS: 06:48:06 Registers: info registers vcpu 0 RAX=0000000000000001 RBX=0000000000000246 RCX=ffffffff817d97d6 RDX=0000000000000000 RSI=0000000000000008 RDI=ffff88806ce31cd0 RBP=ffffffff85f109a0 RSP=ffff88800dd77758 R8 =0000000000000000 R9 =0000000000000001 R10=ffffffff8664f657 R11=0000000000000001 R12=0000000000000000 R13=0000000000000246 R14=ffff88801f40f540 R15=ffff88800944c3c0 RIP=ffffffff81526d3b RFL=00000002 [-------] 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 00007f9b1e9d9900 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=00007f9b1e9b8020 CR3=000000001f529000 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=0000000000020421 RBX=0000000000000001 RCX=ffffffff84c72d57 RDX=0000000000000000 RSI=0000000000000000 RDI=ffffffff814d2c90 RBP=dffffc0000000000 RSP=ffff8880096efe58 R8 =0000000000000001 R9 =ffffed100d9e639a R10=ffff88806cf31cd3 R11=0000000000000001 R12=ffffffff8664f650 R13=1ffff110012ddfd2 R14=0000000000000000 R15=0000000000000000 RIP=ffffffff84c7174e RFL=00000206 [-----P-] CPL=0 II=0 A20=1 SMM=0 HLT=1 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 fffffe4f00000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f7abeb55e40 CR3=000000000ee30000 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=c06d831bd9900cbf654dff98ed13e57a XMM02=2c67c8bc2e329bc30000000000304250 XMM03=fb795ef6d6577056000000000030fab0 XMM04=354f7e75b120cd6500000000000ae988 XMM05=1e12ba65b630ea000000000000322098 XMM06=5b75c91c8044534200000000003203e0 XMM07=e042d86d42eb936e000000000030fd30 XMM08=0e27093cd730a99600000000003042b0 XMM09=00000000000000000000000000000000 XMM10=20200000000020202020202020200000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000