[ 46.101192] ------------[ cut here ]------------ [ 46.102102] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 46.104158] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/236 [ 46.105826] Modules linked in: [ 46.106556] CPU: 0 UID: 104 PID: 236 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 46.108544] Tainted: [W]=WARN [ 46.109145] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 46.110611] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 46.111536] 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 [ 46.114682] RSP: 0018:ffff888013effbc0 EFLAGS: 00010286 [ 46.115667] RAX: 0000000000000000 RBX: ffffed10027dff78 RCX: ffffffff813a4050 [ 46.116953] RDX: ffff88800d815340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 46.118225] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed10027dff2f [ 46.119552] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 46.120844] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888013effdf8 [ 46.122145] FS: 00007f5e94c62900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 46.123597] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 46.124657] CR2: 00007f5e95154580 CR3: 000000000e314000 CR4: 0000000000350ef0 [ 46.125935] Call Trace: [ 46.126450] [ 46.126866] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 46.127767] ? __create_object+0x59/0x80 [ 46.128554] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 46.129534] __vmalloc_noprof+0x59/0x60 [ 46.130301] bpf_prog_alloc_no_stats+0x55/0x470 [ 46.131172] ? __pfx_seccomp_check_filter+0x10/0x10 [ 46.132098] bpf_prog_alloc+0x39/0x200 [ 46.132806] ? __pfx_seccomp_check_filter+0x10/0x10 [ 46.133733] bpf_prog_create_from_user+0xb2/0x2f0 [ 46.134642] do_seccomp+0x349/0x25e0 [ 46.135373] ? __pfx_css_rstat_updated+0x10/0x10 [ 46.136283] ? __pfx_do_seccomp+0x10/0x10 [ 46.137090] ? find_held_lock+0x2b/0x80 [ 46.137805] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 46.138783] ? static_key_count+0x60/0x80 [ 46.139585] prctl_set_seccomp+0x4e/0x70 [ 46.140354] __do_sys_prctl+0xe6c/0x1d70 [ 46.141160] ? __pfx___do_sys_prctl+0x10/0x10 [ 46.141982] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 46.142966] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 46.143942] ? irqentry_exit+0xf3/0x650 [ 46.144720] do_syscall_64+0xbf/0x430 [ 46.145465] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 46.146445] RIP: 0033:0x7f5e951545cd [ 46.147163] 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 [ 46.150386] RSP: 002b:00007fff3b100240 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 46.151728] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f5e951545cd [ 46.152981] RDX: 000055f0958b4e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 46.154263] RBP: 00007fff3b1002a0 R08: 0000000000000000 R09: 00007fff3b0ff940 [ 46.155554] R10: 0000000000000000 R11: 0000000000000246 R12: 000055f09ff86ad0 [ 46.156823] R13: 00007fff3b1006d0 R14: 000055f09ff87bc0 R15: 000055f09ff98780 [ 46.158107] [ 46.158542] irq event stamp: 1843 [ 46.159184] hardirqs last enabled at (1853): [] __up_console_sem+0x78/0x80 [ 46.160679] hardirqs last disabled at (1862): [] __up_console_sem+0x5d/0x80 [ 46.162185] softirqs last enabled at (1688): [] handle_softirqs+0x50c/0x770 [ 46.163727] softirqs last disabled at (1683): [] __irq_exit_rcu+0xc4/0x100 [ 46.165216] ---[ end trace 0000000000000000 ]--- Debian GNU/Linux 11 syzkaller ttyS0 syzkaller login: [ 49.413258] ------------[ cut here ]------------ [ 49.413732] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 49.414875] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/243 [ 49.415657] Modules linked in: [ 49.415978] CPU: 0 UID: 104 PID: 243 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 49.417034] Tainted: [W]=WARN [ 49.417334] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 49.418126] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 49.418619] 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 [ 49.420342] RSP: 0018:ffff888016cafbc0 EFLAGS: 00010286 [ 49.420852] RAX: 0000000000000000 RBX: ffffed1002d95f78 RCX: ffffffff813a4050 [ 49.421548] RDX: ffff888016cdb780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 49.422241] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002d95f2f [ 49.422929] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 49.423623] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888016cafdf8 [ 49.424306] FS: 00007efd41e17900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 49.425080] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 49.425628] CR2: 00007ffda6d27ef7 CR3: 000000000f705000 CR4: 0000000000350ef0 [ 49.426341] Call Trace: [ 49.426593] [ 49.426813] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 49.427306] ? __create_object+0x59/0x80 [ 49.427703] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 49.428231] __vmalloc_noprof+0x59/0x60 [ 49.428624] bpf_prog_alloc_no_stats+0x55/0x470 [ 49.429088] ? __pfx_seccomp_check_filter+0x10/0x10 [ 49.429563] bpf_prog_alloc+0x39/0x200 [ 49.429926] ? __pfx_seccomp_check_filter+0x10/0x10 [ 49.430452] bpf_prog_create_from_user+0xb2/0x2f0 [ 49.430914] do_seccomp+0x349/0x25e0 [ 49.431297] ? find_held_lock+0x2b/0x80 [ 49.431682] ? do_prlimit+0x310/0x610 [ 49.432087] ? __pfx_do_seccomp+0x10/0x10 [ 49.432481] ? do_raw_spin_unlock+0x53/0x220 [ 49.432902] ? _raw_spin_unlock+0x1e/0x40 [ 49.433323] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 49.433821] ? static_key_count+0x60/0x80 [ 49.434262] prctl_set_seccomp+0x4e/0x70 [ 49.434678] __do_sys_prctl+0xe6c/0x1d70 [ 49.435102] ? __pfx___do_sys_prctl+0x10/0x10 [ 49.435549] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 49.436082] ? irqentry_exit+0xf3/0x650 [ 49.436493] do_syscall_64+0xbf/0x430 [ 49.436873] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 49.437384] RIP: 0033:0x7efd423095cd [ 49.437742] 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 [ 49.439516] RSP: 002b:00007ffda6d252f0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 49.440261] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007efd423095cd [ 49.440931] RDX: 0000559401ec3e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 49.441630] RBP: 00007ffda6d25350 R08: 0000000000000000 R09: 00007ffda6d249f0 [ 49.442345] R10: 0000000000000000 R11: 0000000000000246 R12: 000055940fd1ead0 [ 49.443039] R13: 00007ffda6d25780 R14: 000055940fd1fbc0 R15: 000055940fd30780 [ 49.443720] [ 49.443949] irq event stamp: 1675 [ 49.444302] hardirqs last enabled at (1685): [] __up_console_sem+0x78/0x80 [ 49.445133] hardirqs last disabled at (1694): [] __up_console_sem+0x5d/0x80 [ 49.445941] softirqs last enabled at (1442): [] handle_softirqs+0x50c/0x770 [ 49.446810] softirqs last disabled at (1427): [] __irq_exit_rcu+0xc4/0x100 [ 49.447641] ---[ end trace 0000000000000000 ]--- [ 50.195691] ------------[ cut here ]------------ [ 50.196632] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 50.198684] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/250 [ 50.200111] Modules linked in: [ 50.200690] CPU: 0 UID: 104 PID: 250 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 50.202676] Tainted: [W]=WARN [ 50.203268] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 50.204714] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 50.205626] 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 [ 50.208796] RSP: 0018:ffff88800de77bc0 EFLAGS: 00010286 [ 50.209765] RAX: 0000000000000000 RBX: ffffed1001bcef78 RCX: ffffffff813a4050 [ 50.211063] RDX: ffff8880173e5340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 50.212332] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1001bcef2f [ 50.213604] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000400dc0 [ 50.214906] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88800de77df8 [ 50.216168] FS: 00007f9737372900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 50.217587] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.218676] CR2: 00007f9737864580 CR3: 000000000b8f1000 CR4: 0000000000350ef0 [ 50.219943] Call Trace: [ 50.220429] [ 50.220843] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 50.221729] ? __create_object+0x59/0x80 [ 50.222548] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 50.223519] __vmalloc_noprof+0x59/0x60 [ 50.224272] bpf_prog_alloc_no_stats+0x55/0x470 [ 50.225131] ? __pfx_seccomp_check_filter+0x10/0x10 [ 50.226002] bpf_prog_alloc+0x39/0x200 [ 50.226787] ? __pfx_seccomp_check_filter+0x10/0x10 [ 50.227715] bpf_prog_create_from_user+0xb2/0x2f0 [ 50.228615] do_seccomp+0x349/0x25e0 [ 50.229335] ? __pfx_css_rstat_updated+0x10/0x10 [ 50.230242] ? __pfx_do_seccomp+0x10/0x10 [ 50.231058] ? find_held_lock+0x2b/0x80 [ 50.231773] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 50.232725] ? static_key_count+0x60/0x80 [ 50.233515] prctl_set_seccomp+0x4e/0x70 [ 50.234312] __do_sys_prctl+0xe6c/0x1d70 [ 50.235109] ? __pfx___do_sys_prctl+0x10/0x10 [ 50.235912] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 50.236865] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 50.237825] ? irqentry_exit+0xf3/0x650 [ 50.238627] do_syscall_64+0xbf/0x430 [ 50.239369] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 50.240315] RIP: 0033:0x7f97378645cd [ 50.240974] 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 [ 50.244152] RSP: 002b:00007ffd5d2b76e0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 50.245500] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f97378645cd [ 50.246799] RDX: 00005587c5f0ae00 RSI: 0000000000000002 RDI: 0000000000000016 [ 50.248068] RBP: 00007ffd5d2b7740 R08: 0000000000000000 R09: 00007ffd5d2b6de0 [ 50.249332] R10: 0000000000000000 R11: 0000000000000246 R12: 00005587ca7ddb10 [ 50.250650] R13: 00007ffd5d2b7b70 R14: 00005587ca7de2b0 R15: 00005587ca7f26f0 [ 50.251951] [ 50.252429] irq event stamp: 1737 [ 50.253076] hardirqs last enabled at (1747): [] __up_console_sem+0x78/0x80 [ 50.254610] hardirqs last disabled at (1756): [] __up_console_sem+0x5d/0x80 [ 50.256109] softirqs last enabled at (1734): [] handle_softirqs+0x50c/0x770 [ 50.257634] softirqs last disabled at (1729): [] __irq_exit_rcu+0xc4/0x100 [ 50.259157] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:6742' (ECDSA) to the list of known hosts. 2025/11/17 09:58:40 fuzzer started 2025/11/17 09:58:40 dialing manager at localhost:37895 2025/11/17 09:58:40 checking machine... 2025/11/17 09:58:40 checking revisions... [ 51.128921] kmemleak: Automatic memory scanning thread ended 2025/11/17 09:58:41 testing simple program... [ 51.223647] cgroup: Unknown subsys name 'net' [ 51.278580] cgroup: Unknown subsys name 'cpuset' [ 51.292916] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program VM DIAGNOSIS: 09:58:40 Registers: info registers vcpu 0 RAX=dffffc0000000000 RBX=0000000000000001 RCX=ffffffff84c1c724 RDX=000000000003c1c7 RSI=000000000003c1c7 RDI=ffffffff86fb40f0 RBP=ffff888013eff5e0 RSP=ffff888013eff518 R8 =0000000000000000 R9 =0000000000000000 R10=000000000003c9ed R11=0000000000000001 R12=ffff888013eff5e8 R13=ffff888013eff5d0 R14=ffff888013eff5c9 R15=ffff888013eff588 RIP=ffffffff8135e5e2 RFL=00000216 [----AP-] 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 00007efd41e17900 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe6b00000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007efd41df6020 CR3=0000000021005000 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=dffffc0000000000 RBX=ffff888009643780 RCX=ffff88806cf089c4 RDX=0000000000000000 RSI=ffffffff81ab647f RDI=ffff888009643b7c RBP=ffff888009643780 RSP=ffff88806cf089e8 R8 =0000000000000001 R9 =ffff88806cf08ab0 R10=000000000003c9ed R11=00000000000255ec R12=0000000000000000 R13=ffff88806cf08ab8 R14=ffff888009643780 R15=ffff88806cf08a70 RIP=ffffffff815bd605 RFL=00000246 [---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 0000000000000000 00000000 00000000 GS =0000 ffff8880e548f000 00000000 00000000 LDT=0000 fffffe2500000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=000055940fd59fe0 CR3=000000000e026000 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=b50eafda736fe8a745492a8c29c6fa76 XMM02=0000000000305c20ec2efd57dc4c00df XMM03=0000000000312938dd6bcf24f9d9e993 XMM04=04606f3afd6012f800000000000ae988 XMM05=14648eaa1277bab10000000000321708 XMM06=1cac44d199923664000000000031af68 XMM07=e042d86d42eb936e0000000000312bb8 XMM08=dd6bcf24f9d9e9930000000000305c80 XMM09=00000000000000000000000000000000 XMM10=20200000000020202020202020200000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000