[ 38.756369] ------------[ cut here ]------------ [ 38.757368] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 38.759565] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/234 [ 38.761438] Modules linked in: [ 38.762231] CPU: 1 UID: 104 PID: 234 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 38.764417] Tainted: [W]=WARN [ 38.765079] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 38.766709] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 38.767669] 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 [ 38.771191] RSP: 0018:ffff88801614fbc0 EFLAGS: 00010286 [ 38.772262] RAX: 0000000000000000 RBX: ffffed1002c29f78 RCX: ffffffff813a4050 [ 38.773669] RDX: ffff888015efb780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 38.775112] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002c29f2f [ 38.776519] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 38.777918] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801614fdf8 [ 38.779334] FS: 00007f69fc675900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 38.780898] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 38.782066] CR2: 00007f69fcb67580 CR3: 000000000eb6c000 CR4: 0000000000350ef0 [ 38.783594] Call Trace: [ 38.784122] [ 38.784539] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 38.785439] ? __create_object+0x59/0x80 [ 38.786246] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 38.787225] __vmalloc_noprof+0x59/0x60 [ 38.787983] bpf_prog_alloc_no_stats+0x55/0x470 [ 38.788856] ? __pfx_seccomp_check_filter+0x10/0x10 [ 38.789792] bpf_prog_alloc+0x39/0x200 [ 38.790501] ? __pfx_seccomp_check_filter+0x10/0x10 [ 38.791428] bpf_prog_create_from_user+0xb2/0x2f0 [ 38.792344] do_seccomp+0x349/0x25e0 [ 38.793065] ? __pfx_css_rstat_updated+0x10/0x10 [ 38.793973] ? __pfx_do_seccomp+0x10/0x10 [ 38.794796] ? find_held_lock+0x2b/0x80 [ 38.795515] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 38.796487] ? static_key_count+0x60/0x80 [ 38.797303] prctl_set_seccomp+0x4e/0x70 [ 38.798092] __do_sys_prctl+0xe6c/0x1d70 [ 38.798881] ? __pfx___do_sys_prctl+0x10/0x10 [ 38.799744] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 38.800674] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 38.801660] ? irqentry_exit+0xf3/0x650 [ 38.802450] do_syscall_64+0xbf/0x430 [ 38.803181] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 38.804134] RIP: 0033:0x7f69fcb675cd [ 38.804848] 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 [ 38.808049] RSP: 002b:00007fff60586e10 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 38.809400] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f69fcb675cd [ 38.810725] RDX: 000055edc9548e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 38.812033] RBP: 00007fff60586e70 R08: 0000000000000000 R09: 00007fff60586510 [ 38.813310] R10: 0000000000000000 R11: 0000000000000246 R12: 000055edd90adbf0 [ 38.814608] R13: 00007fff605872a0 R14: 000055edd90b7380 R15: 000055edd90c2460 [ 38.816301] [ 38.816656] irq event stamp: 1865 [ 38.817205] hardirqs last enabled at (1875): [] __up_console_sem+0x78/0x80 [ 38.818476] hardirqs last disabled at (1884): [] __up_console_sem+0x5d/0x80 [ 38.819745] softirqs last enabled at (1854): [] handle_softirqs+0x50c/0x770 [ 38.821033] softirqs last disabled at (1849): [] __irq_exit_rcu+0xc4/0x100 [ 38.822304] ---[ end trace 0000000000000000 ]--- Debian GNU/Linux 11 syzkaller ttyS0 syzkaller login: [ 41.461938] ------------[ cut here ]------------ [ 41.462865] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 41.464842] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/242 [ 41.466293] Modules linked in: [ 41.466946] CPU: 0 UID: 104 PID: 242 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 41.469116] Tainted: [W]=WARN [ 41.469668] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 41.471226] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 41.472122] 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 [ 41.475242] RSP: 0018:ffff888016a77bc0 EFLAGS: 00010286 [ 41.476210] RAX: 0000000000000000 RBX: ffffed1002d4ef78 RCX: ffffffff813a4050 [ 41.477490] RDX: ffff8880161d9bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 41.478787] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002d4ef2f [ 41.480076] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 41.481372] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888016a77df8 [ 41.482663] FS: 00007f1742a72900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 41.484133] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 41.485204] CR2: 00007f1742f64580 CR3: 000000001c5b4000 CR4: 0000000000350ef0 [ 41.486489] Call Trace: [ 41.486994] [ 41.487400] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 41.488301] ? __create_object+0x59/0x80 [ 41.489084] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 41.490066] __vmalloc_noprof+0x59/0x60 [ 41.490841] bpf_prog_alloc_no_stats+0x55/0x470 [ 41.491673] ? __pfx_seccomp_check_filter+0x10/0x10 [ 41.492613] bpf_prog_alloc+0x39/0x200 [ 41.493355] ? __pfx_seccomp_check_filter+0x10/0x10 [ 41.494285] bpf_prog_create_from_user+0xb2/0x2f0 [ 41.495188] do_seccomp+0x349/0x25e0 [ 41.495907] ? __pfx_css_rstat_updated+0x10/0x10 [ 41.496830] ? __pfx_do_seccomp+0x10/0x10 [ 41.497573] ? find_held_lock+0x2b/0x80 [ 41.498391] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 41.499375] ? static_key_count+0x60/0x80 [ 41.500175] prctl_set_seccomp+0x4e/0x70 [ 41.500959] __do_sys_prctl+0xe6c/0x1d70 [ 41.501739] ? __pfx___do_sys_prctl+0x10/0x10 [ 41.502561] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 41.503539] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 41.504878] ? irqentry_exit+0xf3/0x650 [ 41.505610] do_syscall_64+0xbf/0x430 [ 41.506390] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 41.507367] RIP: 0033:0x7f1742f645cd [ 41.508076] 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 [ 41.511284] RSP: 002b:00007ffcb6f8be90 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 41.512658] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f1742f645cd [ 41.513956] RDX: 000055ec4090ae00 RSI: 0000000000000002 RDI: 0000000000000016 [ 41.515272] RBP: 00007ffcb6f8bef0 R08: 0000000000000000 R09: 00007ffcb6f8b590 [ 41.516542] R10: 0000000000000000 R11: 0000000000000246 R12: 000055ec5dc5bad0 [ 41.517835] R13: 00007ffcb6f8c320 R14: 000055ec5dc5cbc0 R15: 000055ec5dc6d780 [ 41.519156] [ 41.519580] irq event stamp: 1827 [ 41.520233] hardirqs last enabled at (1837): [] __up_console_sem+0x78/0x80 [ 41.521770] hardirqs last disabled at (1846): [] __up_console_sem+0x5d/0x80 [ 41.523310] softirqs last enabled at (1748): [] handle_softirqs+0x50c/0x770 [ 41.524597] softirqs last disabled at (1743): [] __irq_exit_rcu+0xc4/0x100 [ 41.525853] ---[ end trace 0000000000000000 ]--- [ 42.358179] ------------[ cut here ]------------ [ 42.359087] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.361075] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/249 [ 42.362526] Modules linked in: [ 42.363158] CPU: 0 UID: 104 PID: 249 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 42.365134] Tainted: [W]=WARN [ 42.365728] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.367435] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.368419] 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 [ 42.371602] RSP: 0018:ffff888016267bc0 EFLAGS: 00010286 [ 42.372573] RAX: 0000000000000000 RBX: ffffed1002c4cf78 RCX: ffffffff813a4050 [ 42.373843] RDX: ffff88800f9ad340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.375119] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002c4cf2f [ 42.376390] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.377663] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888016267df8 [ 42.378958] FS: 00007f0ff939d900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 42.380412] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.381475] CR2: 00007fffb149def8 CR3: 000000000e2ed000 CR4: 0000000000350ef0 [ 42.382759] Call Trace: [ 42.383223] [ 42.383621] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.384527] ? __create_object+0x59/0x80 [ 42.385295] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.386284] __vmalloc_noprof+0x59/0x60 [ 42.387036] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.387905] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.388845] bpf_prog_alloc+0x39/0x200 [ 42.389539] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.390483] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.391377] do_seccomp+0x349/0x25e0 [ 42.392100] ? find_held_lock+0x2b/0x80 [ 42.392864] ? do_prlimit+0x310/0x610 [ 42.393565] ? __pfx_do_seccomp+0x10/0x10 [ 42.394349] ? do_raw_spin_unlock+0x53/0x220 [ 42.395183] ? _raw_spin_unlock+0x1e/0x40 [ 42.395978] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.396950] ? static_key_count+0x60/0x80 [ 42.397756] prctl_set_seccomp+0x4e/0x70 [ 42.398499] __do_sys_prctl+0xe6c/0x1d70 [ 42.399281] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.400139] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.401108] ? irqentry_exit+0xf3/0x650 [ 42.401887] do_syscall_64+0xbf/0x430 [ 42.402601] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.403551] RIP: 0033:0x7f0ff988f5cd [ 42.404254] 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 [ 42.407410] RSP: 002b:00007fffb149cd00 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.408779] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f0ff988f5cd [ 42.410052] RDX: 000055f6bf697e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.411342] RBP: 00007fffb149cd60 R08: 0000000000000000 R09: 00007fffb149c400 [ 42.412624] R10: 0000000000000000 R11: 0000000000000246 R12: 000055f6d136ab10 [ 42.413905] R13: 00007fffb149d190 R14: 000055f6d136b2b0 R15: 000055f6d137f6f0 [ 42.415224] [ 42.415645] irq event stamp: 1921 [ 42.416307] hardirqs last enabled at (1941): [] __up_console_sem+0x78/0x80 [ 42.417808] hardirqs last disabled at (1950): [] __up_console_sem+0x5d/0x80 [ 42.419318] softirqs last enabled at (1938): [] handle_softirqs+0x50c/0x770 [ 42.420843] softirqs last disabled at (1929): [] __irq_exit_rcu+0xc4/0x100 [ 42.422327] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:33218' (ECDSA) to the list of known hosts. 2025/11/18 17:04:42 fuzzer started 2025/11/18 17:04:43 dialing manager at localhost:34383 2025/11/18 17:04:43 checking machine... 2025/11/18 17:04:43 checking revisions... [ 43.318176] kmemleak: Automatic memory scanning thread ended 2025/11/18 17:04:43 testing simple program... [ 43.410645] cgroup: Unknown subsys name 'net' [ 43.468341] cgroup: Unknown subsys name 'cpuset' [ 43.496530] cgroup: Unknown subsys name 'rlimit' executing program executing program VM DIAGNOSIS: 17:04:42 Registers: info registers vcpu 0 RAX=0000000000000000 RBX=ffff88800cefb100 RCX=ffffffff84167bcc RDX=ffff8880161db780 RSI=0000000000015180 RDI=00000000ffffffff RBP=ffff88801aa8e04c RSP=ffff888015c9f430 R8 =0000000000000008 R9 =0000000000000004 R10=0000000000000005 R11=0000000000000001 R12=ffff88801605cb40 R13=0000000000000000 R14=000000000001517b R15=00000000fffbf888 RIP=ffffffff81751924 RFL=00000293 [--S-A-C] 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 00007f1742a72900 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe2c00000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f1743029618 CR3=000000001f714000 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=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 info registers vcpu 1 RAX=0000000000000395 RBX=ffff888015efd340 RCX=0000000000000000 RDX=0000000000000001 RSI=0000000000000000 RDI=0000000000000004 RBP=ffff888015efdd98 RSP=ffff888015ca7720 R8 =0000000000000000 R9 =0000000000000005 R10=0000000000000001 R11=0000000000000000 R12=ffff888015efde38 R13=0000000000000000 R14=0000000000000000 R15=0000000000000005 RIP=ffffffff81527236 RFL=00000007 [-----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 00007f3e5dc73700 00000000 00000000 GS =0000 ffff8880e548f000 00000000 00000000 LDT=0000 fffffe4400000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007ffdf88e7468 CR3=0000000017405000 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=2032343a34303a373120383120766f4e XMM01=657463656e6e6f63736944203a5d3134 XMM02=302e303120746f6f722072657375206d XMM03=203a5d3134325b646873732072656c6c XMM04=69662068637573206f4e203a656c6163 XMM05=3a656c696620766e65206e65706f206f XMM06=65733a6468737328766e655f6d617020 XMM07=6b7a79732031343a34303a3731203831 XMM08=30343d7974696c696261706163202279 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000