[ 46.307393] ------------[ cut here ]------------ [ 46.308335] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 46.310347] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/236 [ 46.311838] Modules linked in: [ 46.312466] CPU: 0 UID: 104 PID: 236 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 46.314455] Tainted: [W]=WARN [ 46.315009] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 46.316471] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 46.317420] 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 [ 46.320578] RSP: 0018:ffff88800ebafbc0 EFLAGS: 00010286 [ 46.321593] RAX: 0000000000000000 RBX: ffffed1001d75f78 RCX: ffffffff813a4050 [ 46.322873] RDX: ffff888017a2d340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 46.324180] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1001d75f2f [ 46.325490] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 46.326766] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88800ebafdf8 [ 46.328061] FS: 00007f19bad93900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 46.329527] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 46.330858] CR2: 00007f19bb285580 CR3: 000000000ea1a000 CR4: 0000000000350ef0 [ 46.332529] Call Trace: [ 46.333156] [ 46.333763] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 46.334914] ? __create_object+0x59/0x80 [ 46.335929] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 46.336983] __vmalloc_noprof+0x59/0x60 [ 46.337826] bpf_prog_alloc_no_stats+0x55/0x470 [ 46.338749] ? __pfx_seccomp_check_filter+0x10/0x10 [ 46.339808] bpf_prog_alloc+0x39/0x200 [ 46.340550] ? __pfx_seccomp_check_filter+0x10/0x10 [ 46.341494] bpf_prog_create_from_user+0xb2/0x2f0 [ 46.342391] do_seccomp+0x349/0x25e0 [ 46.343061] ? __pfx_css_rstat_updated+0x10/0x10 [ 46.343973] ? __pfx_do_seccomp+0x10/0x10 [ 46.344770] ? find_held_lock+0x2b/0x80 [ 46.345600] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 46.346574] ? static_key_count+0x60/0x80 [ 46.347370] prctl_set_seccomp+0x4e/0x70 [ 46.348091] __do_sys_prctl+0xe6c/0x1d70 [ 46.348904] ? __pfx___do_sys_prctl+0x10/0x10 [ 46.349756] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 46.350725] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 46.351711] ? irqentry_exit+0xf3/0x650 [ 46.352465] do_syscall_64+0xbf/0x430 [ 46.353190] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 46.354221] RIP: 0033:0x7f19bb2855cd [ 46.354976] 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 [ 46.358274] RSP: 002b:00007ffd71ba2e10 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 46.359726] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f19bb2855cd [ 46.361121] RDX: 000056217446de00 RSI: 0000000000000002 RDI: 0000000000000016 [ 46.362446] RBP: 00007ffd71ba2e70 R08: 0000000000000000 R09: 00007ffd71ba2510 [ 46.363786] R10: 0000000000000000 R11: 0000000000000246 R12: 000056217b3c6ad0 [ 46.365130] R13: 00007ffd71ba32a0 R14: 000056217b3c7bc0 R15: 000056217b3d8780 [ 46.366254] [ 46.366533] irq event stamp: 1733 [ 46.366913] hardirqs last enabled at (1741): [] __up_console_sem+0x78/0x80 [ 46.367918] hardirqs last disabled at (1750): [] __up_console_sem+0x5d/0x80 [ 46.368929] softirqs last enabled at (1640): [] handle_softirqs+0x50c/0x770 [ 46.369898] softirqs last disabled at (1625): [] __irq_exit_rcu+0xc4/0x100 [ 46.370609] ---[ end trace 0000000000000000 ]--- Debian GNU/Linux 11 syzkaller ttyS0 syzkaller login: [ 49.024347] ------------[ cut here ]------------ [ 49.025098] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 49.026811] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/243 [ 49.028058] Modules linked in: [ 49.028810] CPU: 1 UID: 104 PID: 243 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 49.030573] Tainted: [W]=WARN [ 49.031040] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 49.032286] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 49.033030] 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 [ 49.035704] RSP: 0018:ffff88800dda7bc0 EFLAGS: 00010286 [ 49.036530] RAX: 0000000000000000 RBX: ffffed1001bb4f78 RCX: ffffffff813a4050 [ 49.037629] RDX: ffff888019d85340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 49.038718] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1001bb4f2f [ 49.039801] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 49.040885] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88800dda7df8 [ 49.041982] FS: 00007f932ba0f900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 49.043190] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 49.044094] CR2: 00007ffcd4b7aef8 CR3: 000000001fc68000 CR4: 0000000000350ef0 [ 49.045181] Call Trace: [ 49.045616] [ 49.045969] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 49.046731] ? __create_object+0x59/0x80 [ 49.047401] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 49.048186] __vmalloc_noprof+0x59/0x60 [ 49.048831] bpf_prog_alloc_no_stats+0x55/0x470 [ 49.049588] ? __pfx_seccomp_check_filter+0x10/0x10 [ 49.050362] bpf_prog_alloc+0x39/0x200 [ 49.050937] ? __pfx_seccomp_check_filter+0x10/0x10 [ 49.051708] bpf_prog_create_from_user+0xb2/0x2f0 [ 49.052462] do_seccomp+0x349/0x25e0 [ 49.053038] ? find_held_lock+0x2b/0x80 [ 49.053668] ? do_prlimit+0x310/0x610 [ 49.054288] ? __pfx_do_seccomp+0x10/0x10 [ 49.054899] ? do_raw_spin_unlock+0x53/0x220 [ 49.055592] ? _raw_spin_unlock+0x1e/0x40 [ 49.056203] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 49.057016] ? static_key_count+0x60/0x80 [ 49.057689] prctl_set_seccomp+0x4e/0x70 [ 49.058342] __do_sys_prctl+0xe6c/0x1d70 [ 49.058956] ? __pfx___do_sys_prctl+0x10/0x10 [ 49.059679] ? trace_irq_disable.constprop.0+0xc2/0x100 [ 49.060511] ? exit_to_user_mode_loop+0xcf/0x4d0 [ 49.061293] do_syscall_64+0xbf/0x430 [ 49.061875] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 49.062679] RIP: 0033:0x7f932bf015cd [ 49.063267] 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 [ 49.065954] RSP: 002b:00007ffcd4b79e00 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 49.067099] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f932bf015cd [ 49.068165] RDX: 000055daaa61ae00 RSI: 0000000000000002 RDI: 0000000000000016 [ 49.069261] RBP: 00007ffcd4b79e60 R08: 0000000000000000 R09: 00007ffcd4b79500 [ 49.070339] R10: 0000000000000000 R11: 0000000000000246 R12: 000055dab0ee7b10 [ 49.071417] R13: 00007ffcd4b7a290 R14: 000055dab0ee82b0 R15: 000055dab0efc6f0 [ 49.072498] [ 49.072855] irq event stamp: 1843 [ 49.073409] hardirqs last enabled at (1853): [] __up_console_sem+0x78/0x80 [ 49.074689] hardirqs last disabled at (1862): [] __up_console_sem+0x5d/0x80 [ 49.075957] softirqs last enabled at (1822): [] handle_softirqs+0x50c/0x770 [ 49.077267] softirqs last disabled at (1817): [] __irq_exit_rcu+0xc4/0x100 [ 49.078535] ---[ end trace 0000000000000000 ]--- [ 49.836125] ------------[ cut here ]------------ [ 49.837079] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 49.839074] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/250 [ 49.840584] Modules linked in: [ 49.841177] CPU: 0 UID: 104 PID: 250 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 49.843184] Tainted: [W]=WARN [ 49.843786] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 49.845270] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 49.846148] 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 [ 49.849379] RSP: 0018:ffff888017b7fbc0 EFLAGS: 00010286 [ 49.850354] RAX: 0000000000000000 RBX: ffffed1002f6ff78 RCX: ffffffff813a4050 [ 49.851634] RDX: ffff888017a28000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 49.852950] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002f6ff2f [ 49.854254] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 49.855540] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888017b7fdf8 [ 49.856827] FS: 00007fbe1b9c9900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 49.858294] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 49.859380] CR2: 00007fff21374ef8 CR3: 00000000160e3000 CR4: 0000000000350ef0 [ 49.860676] Call Trace: [ 49.861147] [ 49.861604] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 49.862513] ? __create_object+0x59/0x80 [ 49.863301] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 49.864222] __vmalloc_noprof+0x59/0x60 [ 49.865004] bpf_prog_alloc_no_stats+0x55/0x470 [ 49.865871] ? __pfx_seccomp_check_filter+0x10/0x10 [ 49.866861] bpf_prog_alloc+0x39/0x200 [ 49.867623] ? __pfx_seccomp_check_filter+0x10/0x10 [ 49.868591] bpf_prog_create_from_user+0xb2/0x2f0 [ 49.869577] do_seccomp+0x349/0x25e0 [ 49.870297] ? find_held_lock+0x2b/0x80 [ 49.871023] ? do_prlimit+0x310/0x610 [ 49.871779] ? __pfx_do_seccomp+0x10/0x10 [ 49.872557] ? do_raw_spin_unlock+0x53/0x220 [ 49.873411] ? _raw_spin_unlock+0x1e/0x40 [ 49.874153] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 49.875138] ? static_key_count+0x60/0x80 [ 49.875931] prctl_set_seccomp+0x4e/0x70 [ 49.876726] __do_sys_prctl+0xe6c/0x1d70 [ 49.877527] ? __pfx___do_sys_prctl+0x10/0x10 [ 49.878395] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 49.879357] ? irqentry_exit+0xf3/0x650 [ 49.880083] do_syscall_64+0xbf/0x430 [ 49.880848] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 49.881825] RIP: 0033:0x7fbe1bebb5cd [ 49.882542] 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 [ 49.885772] RSP: 002b:00007fff21373430 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 49.887146] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fbe1bebb5cd [ 49.888442] RDX: 00005643d0f29e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 49.889760] RBP: 00007fff21373490 R08: 0000000000000000 R09: 00007fff21372b30 [ 49.891071] R10: 0000000000000000 R11: 0000000000000246 R12: 00005643faeda2b0 [ 49.892380] R13: 00007fff213738c0 R14: 00005643faedcd20 R15: 00005643faeee8d0 [ 49.893704] [ 49.894132] irq event stamp: 2677 [ 49.894789] hardirqs last enabled at (2687): [] __up_console_sem+0x78/0x80 [ 49.896341] hardirqs last disabled at (2696): [] __up_console_sem+0x5d/0x80 [ 49.897737] softirqs last enabled at (2636): [] handle_softirqs+0x50c/0x770 [ 49.898715] softirqs last disabled at (2631): [] __irq_exit_rcu+0xc4/0x100 [ 49.899688] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:53061' (ECDSA) to the list of known hosts. 2025/11/18 20:53:02 fuzzer started 2025/11/18 20:53:02 dialing manager at localhost:34383 2025/11/18 20:53:02 checking machine... 2025/11/18 20:53:02 checking revisions... [ 50.889875] kmemleak: Automatic memory scanning thread ended 2025/11/18 20:53:02 testing simple program... [ 50.980337] cgroup: Unknown subsys name 'net' [ 51.048003] cgroup: Unknown subsys name 'cpuset' [ 51.067177] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program VM DIAGNOSIS: 20:53:01 Registers: info registers vcpu 0 RAX=0000000000000000 RBX=ffff888019d81bc0 RCX=ffffffff87cecb40 RDX=0000000000000008 RSI=ffff888019d82668 RDI=ffff888019d81bc0 RBP=ffff888019d82618 RSP=ffff88806ce088e8 R8 =0000000000000000 R9 =0000000000000005 R10=0000000000000001 R11=0000000000000000 R12=ffff888019d82668 R13=0000000000000002 R14=0000000000000000 R15=0000000000000003 RIP=ffffffff8152733a RFL=00000046 [---Z-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 00007f932ba0f900 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=00007f932b9d9008 CR3=000000001fc44000 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=00000000000218bb RBX=0000000000000001 RCX=ffffffff84c72d57 RDX=0000000000000000 RSI=0000000000000000 RDI=ffffffff814d2c90 RBP=dffffc0000000000 RSP=ffff8880096efe58 R8 =0000000000000001 R9 =ffffed100d9e639a R10=ffff88806cf31cd3 R11=0000000000000001 R12=ffffffff8664f850 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 fffffe2800000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007ffec7fde968 CR3=000000000e22d000 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=9fe0a3947ee644ae8344f3f8771f45a4 XMM02=00000000003033c0eff9b2d0a8fce9cb XMM03=00000000003034902c67c8bc2e329bc3 XMM04=64b74d3bec00b14800000000000ae988 XMM05=ec3da6397900810b000000000031f1e0 XMM06=817b8945e9d50373000000000031ee68 XMM07=e042d86d42eb936e000000000030f6c8 XMM08=e76aa17eff9570f30000000000303490 XMM09=00000000000000000000000000000000 XMM10=20200000000020202020202020200000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000