[ 39.202459] ------------[ cut here ]------------ [ 39.203377] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 39.205413] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/232 [ 39.206924] Modules linked in: [ 39.207582] CPU: 0 UID: 104 PID: 232 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 39.209594] Tainted: [W]=WARN [ 39.210143] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 39.211584] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 39.212453] 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 [ 39.215627] RSP: 0018:ffff888009aafbc0 EFLAGS: 00010286 [ 39.216594] RAX: 0000000000000000 RBX: ffffed1001355f78 RCX: ffffffff813a4050 [ 39.217892] RDX: ffff88800f9f0000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 39.219186] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1001355f2f [ 39.220496] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 39.221801] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888009aafdf8 [ 39.223115] FS: 00007fddfba18900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 39.224546] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 39.225623] CR2: 00007ffc52f4cef7 CR3: 000000000eeea000 CR4: 0000000000350ef0 [ 39.226897] Call Trace: [ 39.227365] [ 39.227817] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 39.228721] ? __create_object+0x59/0x80 [ 39.229450] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.230411] __vmalloc_noprof+0x59/0x60 [ 39.231162] bpf_prog_alloc_no_stats+0x55/0x470 [ 39.232033] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.232970] bpf_prog_alloc+0x39/0x200 [ 39.233698] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.234624] bpf_prog_create_from_user+0xb2/0x2f0 [ 39.235516] do_seccomp+0x349/0x25e0 [ 39.236180] ? find_held_lock+0x2b/0x80 [ 39.236934] ? do_prlimit+0x310/0x610 [ 39.237659] ? __pfx_do_seccomp+0x10/0x10 [ 39.238398] ? do_raw_spin_unlock+0x53/0x220 [ 39.239228] ? _raw_spin_unlock+0x1e/0x40 [ 39.240005] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 39.240965] ? static_key_count+0x60/0x80 [ 39.241766] prctl_set_seccomp+0x4e/0x70 [ 39.242531] __do_sys_prctl+0xe6c/0x1d70 [ 39.243254] ? __pfx___do_sys_prctl+0x10/0x10 [ 39.244106] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 39.245086] ? irqentry_exit+0xf3/0x650 [ 39.245848] do_syscall_64+0xbf/0x430 [ 39.246579] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 39.247516] RIP: 0033:0x7fddfbf0a5cd [ 39.248173] 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 [ 39.251340] RSP: 002b:00007ffc52f4acf0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 39.252714] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fddfbf0a5cd [ 39.253989] RDX: 00005604555ffe00 RSI: 0000000000000002 RDI: 0000000000000016 [ 39.255259] RBP: 00007ffc52f4ad50 R08: 0000000000000000 R09: 00007ffc52f4a3f0 [ 39.256541] R10: 0000000000000000 R11: 0000000000000246 R12: 000056045cb97240 [ 39.257841] R13: 00007ffc52f4b180 R14: 000056045cb96bf0 R15: 000056045cbab4d0 [ 39.259151] [ 39.259624] irq event stamp: 1723 [ 39.260226] hardirqs last enabled at (1731): [] __up_console_sem+0x78/0x80 [ 39.261741] hardirqs last disabled at (1740): [] __up_console_sem+0x5d/0x80 [ 39.263251] softirqs last enabled at (1710): [] handle_softirqs+0x50c/0x770 [ 39.264831] softirqs last disabled at (1705): [] __irq_exit_rcu+0xc4/0x100 [ 39.266352] ---[ end trace 0000000000000000 ]--- Debian GNU/Linux 11 syzkaller ttyS0 syzkaller login: [ 42.454398] ------------[ cut here ]------------ [ 42.455368] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.457400] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/241 [ 42.458899] Modules linked in: [ 42.459550] CPU: 0 UID: 104 PID: 241 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 42.461580] Tainted: [W]=WARN [ 42.462143] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.463635] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.464565] 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 [ 42.467810] RSP: 0018:ffff88801b6c7bc0 EFLAGS: 00010286 [ 42.468845] RAX: 0000000000000000 RBX: ffffed10036d8f78 RCX: ffffffff813a4050 [ 42.470248] RDX: ffff888015b2b780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.471647] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed10036d8f2f [ 42.473064] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.474473] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801b6c7df8 [ 42.475887] FS: 00007fe6ec3bf900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 42.477474] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.478638] CR2: 00007fe6ec9254a6 CR3: 000000000e484000 CR4: 0000000000350ef0 [ 42.480042] Call Trace: [ 42.480589] [ 42.481056] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.482046] ? __create_object+0x59/0x80 [ 42.482913] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.483983] __vmalloc_noprof+0x59/0x60 [ 42.484814] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.485779] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.486798] bpf_prog_alloc+0x39/0x200 [ 42.487605] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.488640] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.489638] do_seccomp+0x349/0x25e0 [ 42.490370] ? find_held_lock+0x2b/0x80 [ 42.491200] ? do_prlimit+0x310/0x610 [ 42.492003] ? __pfx_do_seccomp+0x10/0x10 [ 42.492869] ? do_raw_spin_unlock+0x53/0x220 [ 42.493782] ? _raw_spin_unlock+0x1e/0x40 [ 42.494633] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.495696] ? static_key_count+0x60/0x80 [ 42.496576] prctl_set_seccomp+0x4e/0x70 [ 42.497392] __do_sys_prctl+0xe6c/0x1d70 [ 42.498257] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.499199] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.500266] ? irqentry_exit+0xf3/0x650 [ 42.501122] do_syscall_64+0xbf/0x430 [ 42.501922] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.502964] RIP: 0033:0x7fe6ec8b15cd [ 42.503737] 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 [ 42.507164] RSP: 002b:00007ffd12ba2250 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.508518] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fe6ec8b15cd [ 42.509838] RDX: 0000559430e06e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.511132] RBP: 00007ffd12ba22b0 R08: 0000000000000000 R09: 00007ffd12ba1950 [ 42.512426] R10: 0000000000000000 R11: 0000000000000246 R12: 000055946fb34b10 [ 42.513690] R13: 00007ffd12ba26e0 R14: 000055946fb352b0 R15: 000055946fb496f0 [ 42.514795] [ 42.515145] irq event stamp: 2435 [ 42.515691] hardirqs last enabled at (2445): [] __up_console_sem+0x78/0x80 [ 42.516991] hardirqs last disabled at (2454): [] __up_console_sem+0x5d/0x80 [ 42.518265] softirqs last enabled at (2384): [] handle_softirqs+0x50c/0x770 [ 42.519542] softirqs last disabled at (2379): [] __irq_exit_rcu+0xc4/0x100 [ 42.520820] ---[ end trace 0000000000000000 ]--- [ 43.468114] ------------[ cut here ]------------ [ 43.469069] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 43.471625] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/249 [ 43.473299] Modules linked in: [ 43.473952] CPU: 1 UID: 104 PID: 249 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 43.476180] Tainted: [W]=WARN [ 43.476971] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 43.478447] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 43.479375] 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 [ 43.482537] RSP: 0018:ffff88801759fbc0 EFLAGS: 00010286 [ 43.483526] RAX: 0000000000000000 RBX: ffffed1002eb3f78 RCX: ffffffff813a4050 [ 43.484832] RDX: ffff888015b58000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 43.486114] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002eb3f2f [ 43.487404] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 43.488705] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801759fdf8 [ 43.489991] FS: 00007f953a58c900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 43.491401] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 43.492447] CR2: 00007ffef939fef7 CR3: 00000000209f7000 CR4: 0000000000350ef0 [ 43.493767] Call Trace: [ 43.494226] [ 43.494683] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 43.495567] ? __create_object+0x59/0x80 [ 43.496324] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 43.497305] __vmalloc_noprof+0x59/0x60 [ 43.498064] bpf_prog_alloc_no_stats+0x55/0x470 [ 43.498941] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.499873] bpf_prog_alloc+0x39/0x200 [ 43.500597] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.501543] bpf_prog_create_from_user+0xb2/0x2f0 [ 43.502413] do_seccomp+0x349/0x25e0 [ 43.503138] ? find_held_lock+0x2b/0x80 [ 43.503889] ? do_prlimit+0x310/0x610 [ 43.504645] ? __pfx_do_seccomp+0x10/0x10 [ 43.505397] ? do_raw_spin_unlock+0x53/0x220 [ 43.506233] ? _raw_spin_unlock+0x1e/0x40 [ 43.507012] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 43.507986] ? static_key_count+0x60/0x80 [ 43.508794] prctl_set_seccomp+0x4e/0x70 [ 43.509557] __do_sys_prctl+0xe6c/0x1d70 [ 43.510295] ? __pfx___do_sys_prctl+0x10/0x10 [ 43.511152] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 43.512111] ? irqentry_exit+0xf3/0x650 [ 43.512905] do_syscall_64+0xbf/0x430 [ 43.513642] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 43.514594] RIP: 0033:0x7f953aa7e5cd [ 43.515255] 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 [ 43.518404] RSP: 002b:00007ffef939e6f0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 43.519780] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f953aa7e5cd [ 43.521093] RDX: 00005559b1e13e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 43.522386] RBP: 00007ffef939e750 R08: 0000000000000000 R09: 00007ffef939ddf0 [ 43.523684] R10: 0000000000000000 R11: 0000000000000246 R12: 00005559e808bad0 [ 43.524971] R13: 00007ffef939eb80 R14: 00005559e808cbc0 R15: 00005559e809d780 [ 43.526276] [ 43.526730] irq event stamp: 1809 [ 43.527342] hardirqs last enabled at (1817): [] __up_console_sem+0x78/0x80 [ 43.528865] hardirqs last disabled at (1826): [] __up_console_sem+0x5d/0x80 [ 43.530385] softirqs last enabled at (1334): [] handle_softirqs+0x50c/0x770 [ 43.531936] softirqs last disabled at (1293): [] __irq_exit_rcu+0xc4/0x100 [ 43.533497] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:33437' (ECDSA) to the list of known hosts. 2025/11/18 13:03:00 fuzzer started 2025/11/18 13:03:00 dialing manager at localhost:34383 2025/11/18 13:03:00 checking machine... 2025/11/18 13:03:00 checking revisions... [ 44.406312] kmemleak: Automatic memory scanning thread ended 2025/11/18 13:03:00 testing simple program... [ 44.496798] cgroup: Unknown subsys name 'net' [ 44.546968] cgroup: Unknown subsys name 'cpuset' [ 44.555262] cgroup: Unknown subsys name 'rlimit' executing program executing program VM DIAGNOSIS: 13:02:59 Registers: info registers vcpu 0 RAX=ffffffff8135e4a9 RBX=0000000000000000 RCX=0000000000000002 RDX=0000000000000000 RSI=0000000000000000 RDI=ffffffff85e1ffe0 RBP=ffffffff85e1ffe0 RSP=ffff8880158c78c8 R8 =0000000000000000 R9 =0000000000000000 R10=000000000003c9ed R11=0000000000008972 R12=0000000000000002 R13=0000000000000000 R14=0000000000000000 R15=ffff8880158c79b0 RIP=ffffffff81529235 RFL=00000292 [--S-A--] 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 =0000 0000000000000000 00000000 00000000 DS =0000 0000000000000000 00000000 00000000 FS =0000 00007f9711fc8900 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe3b00000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=000055946fb5c748 CR3=000000000cafd000 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=ffffffffffffffffffffffffffffffff XMM01=30306234386136303638616663356134 XMM02=38303062343861363036386166633561 XMM03=2f6c616e72756f6a2f676f6c2f6e7572 XMM04=17bab74f683206c500000000000ae988 XMM05=1319e678c5640f8a0000000000320468 XMM06=1c9d3f5f5a5fd63600000000003203d0 XMM07=00000000000000000000000000000000 XMM08=415453454d49545f454d49544c414552 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=0000000000000000 RBX=ffff888015b5b780 RCX=0000000000000000 RDX=0000000000000000 RSI=0000000000000000 RDI=ffffffff85e1ffe0 RBP=ffff888015b5c1d8 RSP=ffff888016c2f888 R8 =0000000000000000 R9 =0000000000000005 R10=0000000000000001 R11=0000000000000000 R12=ffff888015b5c1d8 R13=0000000000000000 R14=0000000000000000 R15=0000000000000002 RIP=ffffffff8152707c RFL=00000056 [---ZAP-] 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 00007f0e412ed900 00000000 00000000 GS =0000 ffff8880e548f000 00000000 00000000 LDT=0000 fffffe2c00000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f0e418a4618 CR3=00000000203a4000 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=23232323232323232323232323232323 XMM01=ffffffffffffff00ffffffffffffffff XMM02=ffffffffffffff00ffffffffffffffff XMM03=0000000000000000000000005e356692 XMM04=40404040404040404040404040404040 XMM05=5a5a5a5a5a5a5a5a5a5a5a5a5a5a5a5a XMM06=20202020202020202020202020202020 XMM07=ffffffffffffff00ffffff00ffffff00 XMM08=00000000000000810000000000000000 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000