[ 39.066014] ------------[ cut here ]------------ [ 39.066959] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 39.069025] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/232 [ 39.070454] Modules linked in: [ 39.071035] CPU: 1 UID: 104 PID: 232 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 39.073049] Tainted: [W]=WARN [ 39.075059] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 39.076655] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 39.077587] 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 [ 39.080823] RSP: 0018:ffff88801670fbc0 EFLAGS: 00010286 [ 39.081803] RAX: 0000000000000000 RBX: ffffed1002ce1f78 RCX: ffffffff813a4050 [ 39.083089] RDX: ffff888017400000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 39.084423] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002ce1f2f [ 39.085708] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 39.086963] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801670fdf8 [ 39.088517] FS: 00007efcceda9900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 39.089955] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 39.091031] CR2: 00007fffa3e2eef7 CR3: 000000000e197000 CR4: 0000000000350ef0 [ 39.092347] Call Trace: [ 39.092844] [ 39.093270] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 39.094157] ? __create_object+0x59/0x80 [ 39.094944] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.095954] __vmalloc_noprof+0x59/0x60 [ 39.096704] bpf_prog_alloc_no_stats+0x55/0x470 [ 39.097569] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.098505] bpf_prog_alloc+0x39/0x200 [ 39.099189] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.100134] bpf_prog_create_from_user+0xb2/0x2f0 [ 39.101056] do_seccomp+0x349/0x25e0 [ 39.101771] ? find_held_lock+0x2b/0x80 [ 39.102519] ? do_prlimit+0x310/0x610 [ 39.103199] ? __pfx_do_seccomp+0x10/0x10 [ 39.103983] ? do_raw_spin_unlock+0x53/0x220 [ 39.104796] ? _raw_spin_unlock+0x1e/0x40 [ 39.105552] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 39.106476] ? static_key_count+0x60/0x80 [ 39.107214] prctl_set_seccomp+0x4e/0x70 [ 39.108001] __do_sys_prctl+0xe6c/0x1d70 [ 39.108767] ? __pfx___do_sys_prctl+0x10/0x10 [ 39.109598] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 39.110532] ? irqentry_exit+0xf3/0x650 [ 39.111232] do_syscall_64+0xbf/0x430 [ 39.111985] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 39.112909] RIP: 0033:0x7efccf29b5cd [ 39.113598] 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 [ 39.116710] RSP: 002b:00007fffa3e2c830 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 39.118048] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007efccf29b5cd [ 39.119317] RDX: 00005590690d9e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 39.120619] RBP: 00007fffa3e2c890 R08: 0000000000000000 R09: 00007fffa3e2bf30 [ 39.121897] R10: 0000000000000000 R11: 0000000000000246 R12: 000055909e16fad0 [ 39.123168] R13: 00007fffa3e2ccc0 R14: 000055909e170bc0 R15: 000055909e181780 [ 39.124489] [ 39.124916] irq event stamp: 2123 [ 39.125555] hardirqs last enabled at (2133): [] __up_console_sem+0x78/0x80 [ 39.127057] hardirqs last disabled at (2142): [] __up_console_sem+0x5d/0x80 [ 39.128311] softirqs last enabled at (1882): [] handle_softirqs+0x50c/0x770 [ 39.129306] softirqs last disabled at (1873): [] __irq_exit_rcu+0xc4/0x100 [ 39.130277] ---[ end trace 0000000000000000 ]--- Debian GNU/Linux 11 syzkaller ttyS0 syzkaller login: [ 41.492626] ------------[ cut here ]------------ [ 41.493184] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 41.494556] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/241 [ 41.495499] Modules linked in: [ 41.495883] CPU: 0 UID: 104 PID: 241 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 41.497132] Tainted: [W]=WARN [ 41.497500] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 41.498415] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 41.498959] 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 [ 41.500960] RSP: 0018:ffff8880180f7bc0 EFLAGS: 00010286 [ 41.501566] RAX: 0000000000000000 RBX: ffffed100301ef78 RCX: ffffffff813a4050 [ 41.502344] RDX: ffff888016ffb780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 41.503150] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed100301ef2f [ 41.503971] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 41.504805] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff8880180f7df8 [ 41.505620] FS: 00007f900ca75900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 41.506529] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 41.507177] CR2: 00007f900cf67580 CR3: 000000002157f000 CR4: 0000000000350ef0 [ 41.508016] Call Trace: [ 41.508318] [ 41.508597] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 41.509147] ? __create_object+0x59/0x80 [ 41.509654] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 41.510260] __vmalloc_noprof+0x59/0x60 [ 41.510760] bpf_prog_alloc_no_stats+0x55/0x470 [ 41.511286] ? __pfx_seccomp_check_filter+0x10/0x10 [ 41.511883] bpf_prog_alloc+0x39/0x200 [ 41.512320] ? __pfx_seccomp_check_filter+0x10/0x10 [ 41.512908] bpf_prog_create_from_user+0xb2/0x2f0 [ 41.513483] do_seccomp+0x349/0x25e0 [ 41.513918] ? __pfx_css_rstat_updated+0x10/0x10 [ 41.514500] ? __pfx_do_seccomp+0x10/0x10 [ 41.514981] ? find_held_lock+0x2b/0x80 [ 41.515464] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 41.516052] ? static_key_count+0x60/0x80 [ 41.516564] prctl_set_seccomp+0x4e/0x70 [ 41.517025] __do_sys_prctl+0xe6c/0x1d70 [ 41.517531] ? __pfx___do_sys_prctl+0x10/0x10 [ 41.518055] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 41.518680] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 41.519278] ? irqentry_exit+0xf3/0x650 [ 41.519775] do_syscall_64+0xbf/0x430 [ 41.520223] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 41.520828] RIP: 0033:0x7f900cf675cd [ 41.521250] 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 [ 41.523301] RSP: 002b:00007fff20c78ef0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 41.524200] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f900cf675cd [ 41.525030] RDX: 000055b414b3ae00 RSI: 0000000000000002 RDI: 0000000000000016 [ 41.525844] RBP: 00007fff20c78f50 R08: 0000000000000000 R09: 00007fff20c785f0 [ 41.526650] R10: 0000000000000000 R11: 0000000000000246 R12: 000055b42e954ad0 [ 41.527453] R13: 00007fff20c79380 R14: 000055b42e955bc0 R15: 000055b42e966780 [ 41.528247] [ 41.528542] irq event stamp: 1699 [ 41.528924] hardirqs last enabled at (1707): [] __up_console_sem+0x78/0x80 [ 41.529888] hardirqs last disabled at (1716): [] __up_console_sem+0x5d/0x80 [ 41.530851] softirqs last enabled at (1222): [] handle_softirqs+0x50c/0x770 [ 41.531833] softirqs last disabled at (1211): [] __irq_exit_rcu+0xc4/0x100 [ 41.532790] ---[ end trace 0000000000000000 ]--- [ 42.314674] ------------[ cut here ]------------ [ 42.315583] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.317633] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/248 [ 42.319085] Modules linked in: [ 42.319716] CPU: 1 UID: 104 PID: 248 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 42.321689] Tainted: [W]=WARN [ 42.322248] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.323933] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.324980] 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 [ 42.328131] RSP: 0018:ffff888017c9fbc0 EFLAGS: 00010286 [ 42.329108] RAX: 0000000000000000 RBX: ffffed1002f93f78 RCX: ffffffff813a4050 [ 42.330526] RDX: ffff8880179b3780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.332100] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002f93f2f [ 42.333525] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.334822] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888017c9fdf8 [ 42.336452] FS: 00007f757b5af900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 42.337891] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.338957] CR2: 00007ffc16ec4ef7 CR3: 000000001afd1000 CR4: 0000000000350ef0 [ 42.340264] Call Trace: [ 42.340779] [ 42.341185] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.342087] ? __create_object+0x59/0x80 [ 42.342890] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.343872] __vmalloc_noprof+0x59/0x60 [ 42.344634] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.345499] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.346444] bpf_prog_alloc+0x39/0x200 [ 42.347139] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.348097] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.349027] do_seccomp+0x349/0x25e0 [ 42.349746] ? find_held_lock+0x2b/0x80 [ 42.350510] ? do_prlimit+0x310/0x610 [ 42.351217] ? __pfx_do_seccomp+0x10/0x10 [ 42.352031] ? do_raw_spin_unlock+0x53/0x220 [ 42.352888] ? _raw_spin_unlock+0x1e/0x40 [ 42.353684] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.354658] ? static_key_count+0x60/0x80 [ 42.355455] prctl_set_seccomp+0x4e/0x70 [ 42.356192] __do_sys_prctl+0xe6c/0x1d70 [ 42.356977] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.357847] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.358862] ? irqentry_exit+0xf3/0x650 [ 42.359649] do_syscall_64+0xbf/0x430 [ 42.360348] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.361319] RIP: 0033:0x7f757baa15cd [ 42.362031] 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 [ 42.365247] RSP: 002b:00007ffc16ec2fc0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.366604] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f757baa15cd [ 42.367907] RDX: 000055d0f9e7fe00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.369204] RBP: 00007ffc16ec3020 R08: 0000000000000000 R09: 00007ffc16ec26c0 [ 42.370491] R10: 0000000000000000 R11: 0000000000000246 R12: 000055d10a3b4b10 [ 42.371841] R13: 00007ffc16ec3450 R14: 000055d10a3b52b0 R15: 000055d10a3c96f0 [ 42.373149] [ 42.373614] irq event stamp: 1885 [ 42.374235] hardirqs last enabled at (1893): [] __up_console_sem+0x78/0x80 [ 42.375778] hardirqs last disabled at (1902): [] __up_console_sem+0x5d/0x80 [ 42.377318] softirqs last enabled at (1806): [] handle_softirqs+0x50c/0x770 [ 42.378880] softirqs last disabled at (1801): [] __irq_exit_rcu+0xc4/0x100 [ 42.380420] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:19499' (ECDSA) to the list of known hosts. 2025/11/17 17:44:04 fuzzer started 2025/11/17 17:44:04 dialing manager at localhost:37895 2025/11/17 17:44:04 checking machine... 2025/11/17 17:44:04 checking revisions... [ 43.562935] kmemleak: Automatic memory scanning thread ended 2025/11/17 17:44:04 testing simple program... [ 43.654867] cgroup: Unknown subsys name 'net' [ 43.706319] cgroup: Unknown subsys name 'cpuset' [ 43.718111] cgroup: Unknown subsys name 'rlimit' executing program executing program VM DIAGNOSIS: 17:44:03 Registers: info registers vcpu 0 RAX=dffffc0000000000 RBX=ffffffff81618fa0 RCX=ffff888009627794 RDX=1ffff110012c4f13 RSI=ffffffff813c156e RDI=ffff888009627908 RBP=ffff8880096278d8 RSP=ffff888009627838 R8 =0000000000000001 R9 =ffff888009627880 R10=000000000003c9ed R11=0000000000008964 R12=ffff888009627908 R13=0000000000000000 R14=ffff888009611bc0 R15=ffff888008c4b780 RIP=ffffffff81618fae RFL=00000282 [--S----] 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 fffffe1600000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f900d02d0b0 CR3=000000000dc32000 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=756f6a2f646d65747379732f6e75722f XMM01=00676f6c7379732f6c616e72756f6a2f XMM02=756f6a2f646d65747379732f6e75722f XMM03=006c616e72756f6a2f646d6574737973 XMM04=b1696ceb89f3f02800000000000ae988 XMM05=d88f12974e1b796a000000000031f1e8 XMM06=171429cac116fc2a000000000031df88 XMM07=fb795ef6d6577056000000000030d480 XMM08=4f5453444600273d67736d000d0a0920 XMM09=00000000000000000000000000000000 XMM10=20200000000020202020202020200000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=0000000000000000 RBX=0000000000000000 RCX=ffffffff81be6223 RDX=ffff88800e733780 RSI=ffffffff81be9571 RDI=0000000000000004 RBP=0000000000000001 RSP=ffff88801ae3f940 R8 =0000000000000001 R9 =ffffed100305ffe4 R10=0000000000000001 R11=0000000000000001 R12=0000000000000000 R13=0000000000000345 R14=ffff8880182ffdc0 R15=dffffc0000000000 RIP=ffffffff81751c78 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 =0018 0000000000000000 ffffffff 00c09300 DPL=0 DS [-WA] DS =0000 0000000000000000 00000000 00000000 FS =0000 00007f900ca75900 00000000 00000000 GS =0000 ffff8880e548f000 00000000 00000000 LDT=0000 fffffe7400000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007fff20c73000 CR3=00000000215de000 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=6720646572637465733a4d41503d706f 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