[ 39.334550] ------------[ cut here ]------------ [ 39.335472] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 39.337424] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/233 [ 39.338860] Modules linked in: [ 39.339479] CPU: 1 UID: 104 PID: 233 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 39.341444] Tainted: [W]=WARN [ 39.342008] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 39.343671] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 39.344640] 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 [ 39.347755] RSP: 0018:ffff88800f597bc0 EFLAGS: 00010286 [ 39.348720] RAX: 0000000000000000 RBX: ffffed1001eb2f78 RCX: ffffffff813a4050 [ 39.349991] RDX: ffff8880167f8000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 39.351255] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1001eb2f2f [ 39.352502] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 39.353774] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88800f597df8 [ 39.355048] FS: 00007f41e558a900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 39.356468] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 39.357516] CR2: 00007ffdb41deef7 CR3: 000000000d804000 CR4: 0000000000350ef0 [ 39.358793] Call Trace: [ 39.359278] [ 39.359682] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 39.360555] ? __create_object+0x59/0x80 [ 39.361316] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.362278] __vmalloc_noprof+0x59/0x60 [ 39.362974] bpf_prog_alloc_no_stats+0x55/0x470 [ 39.363821] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.364740] bpf_prog_alloc+0x39/0x200 [ 39.365466] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.366383] bpf_prog_create_from_user+0xb2/0x2f0 [ 39.367271] do_seccomp+0x349/0x25e0 [ 39.367936] ? find_held_lock+0x2b/0x80 [ 39.368675] ? do_prlimit+0x310/0x610 [ 39.369404] ? __pfx_do_seccomp+0x10/0x10 [ 39.370143] ? do_raw_spin_unlock+0x53/0x220 [ 39.370970] ? _raw_spin_unlock+0x1e/0x40 [ 39.371747] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 39.372711] ? static_key_count+0x60/0x80 [ 39.373508] prctl_set_seccomp+0x4e/0x70 [ 39.374299] __do_sys_prctl+0xe6c/0x1d70 [ 39.375040] ? __pfx___do_sys_prctl+0x10/0x10 [ 39.375898] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 39.376868] ? irqentry_exit+0xf3/0x650 [ 39.377630] do_syscall_64+0xbf/0x430 [ 39.378376] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 39.379337] RIP: 0033:0x7f41e5a7c5cd [ 39.380006] 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 [ 39.383237] RSP: 002b:00007ffdb41dc5c0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 39.384622] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f41e5a7c5cd [ 39.385911] RDX: 000055770458de00 RSI: 0000000000000002 RDI: 0000000000000016 [ 39.387168] RBP: 00007ffdb41dc620 R08: 0000000000000000 R09: 00007ffdb41dbcc0 [ 39.388272] R10: 0000000000000000 R11: 0000000000000246 R12: 000055771f2912b0 [ 39.389378] R13: 00007ffdb41dca50 R14: 000055771f293d20 R15: 000055771f2a58d0 [ 39.390503] [ 39.390866] irq event stamp: 1849 [ 39.391419] hardirqs last enabled at (1859): [] __up_console_sem+0x78/0x80 [ 39.392704] hardirqs last disabled at (1868): [] __up_console_sem+0x5d/0x80 [ 39.394005] softirqs last enabled at (1786): [] handle_softirqs+0x50c/0x770 [ 39.395325] softirqs last disabled at (1781): [] __irq_exit_rcu+0xc4/0x100 [ 39.396602] ---[ end trace 0000000000000000 ]--- Debian GNU/Linux 11 syzkaller ttyS0 syzkaller login: [ 42.055271] ------------[ cut here ]------------ [ 42.056056] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.057830] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/241 [ 42.059133] Modules linked in: [ 42.059697] CPU: 1 UID: 104 PID: 241 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 42.061482] Tainted: [W]=WARN [ 42.061973] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.063297] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.064078] 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 [ 42.066942] RSP: 0018:ffff888018d07bc0 EFLAGS: 00010286 [ 42.067813] RAX: 0000000000000000 RBX: ffffed10031a0f78 RCX: ffffffff813a4050 [ 42.068966] RDX: ffff88800f443780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.070132] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed10031a0f2f [ 42.071290] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.072415] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888018d07df8 [ 42.073544] FS: 00007f6b9d32c900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 42.074828] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.075764] CR2: 00007ffedd049ef7 CR3: 0000000020f4c000 CR4: 0000000000350ef0 [ 42.076894] Call Trace: [ 42.077341] [ 42.077705] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.078508] ? __create_object+0x59/0x80 [ 42.079172] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.080034] __vmalloc_noprof+0x59/0x60 [ 42.080700] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.081469] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.082298] bpf_prog_alloc+0x39/0x200 [ 42.082911] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.083739] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.084540] do_seccomp+0x349/0x25e0 [ 42.085134] ? find_held_lock+0x2b/0x80 [ 42.085793] ? do_prlimit+0x310/0x610 [ 42.086460] ? __pfx_do_seccomp+0x10/0x10 [ 42.087117] ? do_raw_spin_unlock+0x53/0x220 [ 42.087843] ? _raw_spin_unlock+0x1e/0x40 [ 42.088523] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.089372] ? static_key_count+0x60/0x80 [ 42.090046] prctl_set_seccomp+0x4e/0x70 [ 42.090726] __do_sys_prctl+0xe6c/0x1d70 [ 42.091419] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.092140] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.092998] do_syscall_64+0xbf/0x430 [ 42.093644] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.094487] RIP: 0033:0x7f6b9d81e5cd [ 42.095070] 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 [ 42.097866] RSP: 002b:00007ffedd048e10 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.099091] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f6b9d81e5cd [ 42.100232] RDX: 000055acee87ce00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.101373] RBP: 00007ffedd048e70 R08: 0000000000000000 R09: 00007ffedd048510 [ 42.102528] R10: 0000000000000000 R11: 0000000000000246 R12: 000055acfc6d3ad0 [ 42.103655] R13: 00007ffedd0492a0 R14: 000055acfc6d4bc0 R15: 000055acfc6e5780 [ 42.104802] [ 42.105181] irq event stamp: 1695 [ 42.105752] hardirqs last enabled at (1705): [] __up_console_sem+0x78/0x80 [ 42.107099] hardirqs last disabled at (1714): [] __up_console_sem+0x5d/0x80 [ 42.108442] softirqs last enabled at (1304): [] handle_softirqs+0x50c/0x770 [ 42.109807] softirqs last disabled at (1295): [] __irq_exit_rcu+0xc4/0x100 [ 42.111160] ---[ end trace 0000000000000000 ]--- [ 42.902710] ------------[ cut here ]------------ [ 42.903156] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.904147] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/250 [ 42.905011] Modules linked in: [ 42.905359] CPU: 0 UID: 104 PID: 250 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 42.906376] Tainted: [W]=WARN [ 42.906660] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.907395] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.907845] 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 [ 42.909454] RSP: 0018:ffff88801dc87bc0 EFLAGS: 00010286 [ 42.909914] RAX: 0000000000000000 RBX: ffffed1003b90f78 RCX: ffffffff813a4050 [ 42.910556] RDX: ffff88801bf23780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.911178] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1003b90f2f [ 42.911823] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.912480] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801dc87df8 [ 42.913089] FS: 00007fe7f3b60900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 42.913798] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.914342] CR2: 00007fff23bc3ef7 CR3: 000000000e26e000 CR4: 0000000000350ef0 [ 42.914953] Call Trace: [ 42.915178] [ 42.915402] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.915826] ? __create_object+0x59/0x80 [ 42.916206] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.916665] __vmalloc_noprof+0x59/0x60 [ 42.917020] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.917446] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.917903] bpf_prog_alloc+0x39/0x200 [ 42.918274] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.918731] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.919155] do_seccomp+0x349/0x25e0 [ 42.919494] ? find_held_lock+0x2b/0x80 [ 42.919855] ? do_prlimit+0x310/0x610 [ 42.920216] ? __pfx_do_seccomp+0x10/0x10 [ 42.920584] ? do_raw_spin_unlock+0x53/0x220 [ 42.920971] ? _raw_spin_unlock+0x1e/0x40 [ 42.921349] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.921804] ? static_key_count+0x60/0x80 [ 42.922207] prctl_set_seccomp+0x4e/0x70 [ 42.922575] __do_sys_prctl+0xe6c/0x1d70 [ 42.922936] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.923381] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.923837] ? irqentry_exit+0xf3/0x650 [ 42.924213] do_syscall_64+0xbf/0x430 [ 42.924560] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.925005] RIP: 0033:0x7fe7f40525cd [ 42.925344] 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 [ 42.926935] RSP: 002b:00007fff23bc2940 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.927632] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fe7f40525cd [ 42.928375] RDX: 000055691e56fe00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.929150] RBP: 00007fff23bc29a0 R08: 0000000000000000 R09: 00007fff23bc2040 [ 42.929896] R10: 0000000000000000 R11: 0000000000000246 R12: 000055694099f240 [ 42.930603] R13: 00007fff23bc2dd0 R14: 000055694099ebf0 R15: 00005569409b34d0 [ 42.931227] [ 42.931435] irq event stamp: 1807 [ 42.931728] hardirqs last enabled at (1815): [] __up_console_sem+0x78/0x80 [ 42.932458] hardirqs last disabled at (1824): [] __up_console_sem+0x5d/0x80 [ 42.933203] softirqs last enabled at (1766): [] handle_softirqs+0x50c/0x770 [ 42.933936] softirqs last disabled at (1747): [] __irq_exit_rcu+0xc4/0x100 [ 42.934698] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:45069' (ECDSA) to the list of known hosts. 2025/11/18 21:45:20 fuzzer started 2025/11/18 21:45:20 dialing manager at localhost:34383 2025/11/18 21:45:20 checking machine... 2025/11/18 21:45:20 checking revisions... [ 43.638980] kmemleak: Automatic memory scanning thread ended 2025/11/18 21:45:20 testing simple program... [ 43.723990] cgroup: Unknown subsys name 'net' [ 43.765219] cgroup: Unknown subsys name 'cpuset' [ 43.773927] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program VM DIAGNOSIS: 21:45:20 Registers: info registers vcpu 0 RAX=00000000e03ebebb RBX=ffff88801a8b3780 RCX=00000000f5acb89f RDX=0000000044653b19 RSI=ffff88801a8b4278 RDI=00000000c57798ad RBP=ffff88801a8b41d8 RSP=ffff88806ce088c8 R8 =0000000000000004 R9 =0000000000000000 R10=0000000000000001 R11=0000000000000000 R12=ffff88801a8b4278 R13=b503ba001073dead R14=0000000000000000 R15=0000000000000004 RIP=ffffffff815275ac 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 00007fbaead61700 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe2800000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007fc0c53436a8 CR3=000000000e3c4000 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=2039313a35343a313220383120766f4e XMM01=657463656e6e6f63736944203a5d3034 XMM02=302e303120746f6f722072657375206d XMM03=203a5d3034325b646873732072656c6c XMM04=69662068637573206f4e203a656c6163 XMM05=3a656c696620766e65206e65706f206f XMM06=65733a6468737328766e655f6d617020 XMM07=6b7a79732039313a35343a3132203831 XMM08=30343d7974696c696261706163202279 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=ffff88800f445340 RBX=0000000000000000 RCX=0000000000000002 RDX=0000000000000000 RSI=ffffffff8135e4bd RDI=fffffbfff0bc3ffc RBP=ffffffff85e1ffe0 RSP=ffff88801dc6f150 R8 =0000000000000000 R9 =0000000000000000 R10=000000000003c9ed R11=00000000000255cb R12=0000000000000002 R13=0000000000000000 R14=0000000000000000 R15=0000000000000200 RIP=ffffffff81529352 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 00007f6b9d32c900 00000000 00000000 GS =0000 ffff8880e548f000 00000000 00000000 LDT=0000 fffffe5800000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007ffedd042000 CR3=0000000020ef4000 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=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