syzkaller login: [ 38.922656] ------------[ cut here ]------------ [ 38.923593] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 38.925713] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/233 [ 38.927259] Modules linked in: [ 38.927843] CPU: 0 UID: 104 PID: 233 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 38.929831] Tainted: [W]=WARN [ 38.930428] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 38.931900] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 38.932937] 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 [ 38.936006] RSP: 0018:ffff888018877bc0 EFLAGS: 00010286 [ 38.936964] RAX: 0000000000000000 RBX: ffffed100310ef78 RCX: ffffffff813a4050 [ 38.938209] RDX: ffff888015a78000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 38.939503] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed100310ef2f [ 38.940768] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 38.942010] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888018877df8 [ 38.943263] FS: 00007f5b44daf900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 38.944675] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 38.945720] CR2: 00007ffd9593eef8 CR3: 000000000fae3000 CR4: 0000000000350ef0 [ 38.946974] Call Trace: [ 38.947480] [ 38.947888] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 38.948780] ? __create_object+0x59/0x80 [ 38.949555] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 38.950524] __vmalloc_noprof+0x59/0x60 [ 38.951226] bpf_prog_alloc_no_stats+0x55/0x470 [ 38.952074] ? __pfx_seccomp_check_filter+0x10/0x10 [ 38.953003] bpf_prog_alloc+0x39/0x200 [ 38.953717] ? __pfx_seccomp_check_filter+0x10/0x10 [ 38.954644] bpf_prog_create_from_user+0xb2/0x2f0 [ 38.955537] do_seccomp+0x349/0x25e0 [ 38.956200] ? find_held_lock+0x2b/0x80 [ 38.956960] ? do_prlimit+0x310/0x610 [ 38.957694] ? __pfx_do_seccomp+0x10/0x10 [ 38.958459] ? do_raw_spin_unlock+0x53/0x220 [ 38.959219] ? _raw_spin_unlock+0x1e/0x40 [ 38.959988] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 38.960963] ? static_key_count+0x60/0x80 [ 38.961735] prctl_set_seccomp+0x4e/0x70 [ 38.962496] __do_sys_prctl+0xe6c/0x1d70 [ 38.963227] ? __pfx___do_sys_prctl+0x10/0x10 [ 38.964068] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 38.965074] ? irqentry_exit+0xf3/0x650 [ 38.965819] do_syscall_64+0xbf/0x430 [ 38.966548] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 38.967489] RIP: 0033:0x7f5b452a15cd [ 38.968132] 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 [ 38.971259] RSP: 002b:00007ffd9593c500 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 38.972621] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f5b452a15cd [ 38.973867] RDX: 000055b420ef8e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 38.975115] RBP: 00007ffd9593c560 R08: 0000000000000000 R09: 00007ffd9593bc00 [ 38.976370] R10: 0000000000000000 R11: 0000000000000246 R12: 000055b434350ad0 [ 38.977665] R13: 00007ffd9593c990 R14: 000055b434351bc0 R15: 000055b434362780 [ 38.978946] [ 38.979392] irq event stamp: 1781 [ 38.979981] hardirqs last enabled at (1789): [] __up_console_sem+0x78/0x80 [ 38.981483] hardirqs last disabled at (1798): [] __up_console_sem+0x5d/0x80 [ 38.982727] softirqs last enabled at (1758): [] handle_softirqs+0x50c/0x770 [ 38.983975] softirqs last disabled at (1753): [] __irq_exit_rcu+0xc4/0x100 [ 38.985206] ---[ end trace 0000000000000000 ]--- [ 41.847491] ------------[ cut here ]------------ [ 41.848421] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 41.850433] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/242 [ 41.851869] Modules linked in: [ 41.852497] CPU: 1 UID: 104 PID: 242 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 41.854480] Tainted: [W]=WARN [ 41.855040] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 41.856744] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 41.857740] 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 [ 41.860883] RSP: 0018:ffff88800b37fbc0 EFLAGS: 00010286 [ 41.861851] RAX: 0000000000000000 RBX: ffffed100166ff78 RCX: ffffffff813a4050 [ 41.863114] RDX: ffff8880171a8000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 41.864383] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed100166ff2f [ 41.865663] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 41.866921] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88800b37fdf8 [ 41.868203] FS: 00007fa514d18900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 41.869672] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 41.870705] CR2: 00007ffec28d0ef8 CR3: 000000002081b000 CR4: 0000000000350ef0 [ 41.871989] Call Trace: [ 41.872493] [ 41.872914] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 41.873799] ? __create_object+0x59/0x80 [ 41.874579] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 41.875539] __vmalloc_noprof+0x59/0x60 [ 41.876302] bpf_prog_alloc_no_stats+0x55/0x470 [ 41.877145] ? __pfx_seccomp_check_filter+0x10/0x10 [ 41.878072] bpf_prog_alloc+0x39/0x200 [ 41.878815] ? __pfx_seccomp_check_filter+0x10/0x10 [ 41.879745] bpf_prog_create_from_user+0xb2/0x2f0 [ 41.880651] do_seccomp+0x349/0x25e0 [ 41.881363] ? find_held_lock+0x2b/0x80 [ 41.882070] ? do_prlimit+0x310/0x610 [ 41.882806] ? __pfx_do_seccomp+0x10/0x10 [ 41.883575] ? do_raw_spin_unlock+0x53/0x220 [ 41.884400] ? _raw_spin_unlock+0x1e/0x40 [ 41.885147] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 41.886099] ? static_key_count+0x60/0x80 [ 41.886903] prctl_set_seccomp+0x4e/0x70 [ 41.887670] __do_sys_prctl+0xe6c/0x1d70 [ 41.888452] ? __pfx___do_sys_prctl+0x10/0x10 [ 41.889322] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 41.890290] ? irqentry_exit+0xf3/0x650 [ 41.891015] do_syscall_64+0xbf/0x430 [ 41.891747] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 41.892722] RIP: 0033:0x7fa51520a5cd [ 41.893421] 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 [ 41.896595] RSP: 002b:00007ffec28cf410 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 41.897957] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fa51520a5cd [ 41.899252] RDX: 00005637acdb2e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 41.900557] RBP: 00007ffec28cf470 R08: 0000000000000000 R09: 00007ffec28ceb10 [ 41.901708] R10: 0000000000000000 R11: 0000000000000246 R12: 00005637cac3bad0 [ 41.902775] R13: 00007ffec28cf8a0 R14: 00005637cac3cbc0 R15: 00005637cac4d780 [ 41.903866] [ 41.904220] irq event stamp: 1785 [ 41.904766] hardirqs last enabled at (1795): [] __up_console_sem+0x78/0x80 [ 41.906033] hardirqs last disabled at (1810): [] __up_console_sem+0x5d/0x80 [ 41.907306] softirqs last enabled at (1808): [] handle_softirqs+0x50c/0x770 [ 41.908602] softirqs last disabled at (1803): [] __irq_exit_rcu+0xc4/0x100 [ 41.909871] ---[ end trace 0000000000000000 ]--- [ 42.625386] ------------[ cut here ]------------ [ 42.626121] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.627816] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/249 [ 42.629047] Modules linked in: [ 42.629580] CPU: 1 UID: 104 PID: 249 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 42.631214] Tainted: [W]=WARN [ 42.631701] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.633130] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.633954] 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 [ 42.636625] RSP: 0018:ffff88800daffbc0 EFLAGS: 00010286 [ 42.637441] RAX: 0000000000000000 RBX: ffffed1001b5ff78 RCX: ffffffff813a4050 [ 42.638503] RDX: ffff88800f221bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.639573] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1001b5ff2f [ 42.640653] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.641714] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88800daffdf8 [ 42.642786] FS: 00007f3bb97b5900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 42.643975] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.644866] CR2: 00007f3bb9ca7580 CR3: 0000000015d99000 CR4: 0000000000350ef0 [ 42.645929] Call Trace: [ 42.646340] [ 42.646680] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.647436] ? __create_object+0x59/0x80 [ 42.648044] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.648860] __vmalloc_noprof+0x59/0x60 [ 42.649489] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.650167] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.650934] bpf_prog_alloc+0x39/0x200 [ 42.651534] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.652298] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.653020] do_seccomp+0x349/0x25e0 [ 42.653622] ? __pfx_css_rstat_updated+0x10/0x10 [ 42.654369] ? __pfx_do_seccomp+0x10/0x10 [ 42.654991] ? find_held_lock+0x2b/0x80 [ 42.655625] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.656433] ? static_key_count+0x60/0x80 [ 42.657072] prctl_set_seccomp+0x4e/0x70 [ 42.657720] __do_sys_prctl+0xe6c/0x1d70 [ 42.658367] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.659034] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.659835] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.660648] ? irqentry_exit+0xf3/0x650 [ 42.661278] do_syscall_64+0xbf/0x430 [ 42.661854] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.662642] RIP: 0033:0x7f3bb9ca75cd [ 42.663188] 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 [ 42.665834] RSP: 002b:00007ffdf053f3a0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.666975] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f3bb9ca75cd [ 42.668072] RDX: 0000564783f7ce00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.669169] RBP: 00007ffdf053f400 R08: 0000000000000000 R09: 00007ffdf053eaa0 [ 42.670269] R10: 0000000000000000 R11: 0000000000000246 R12: 00005647a487fad0 [ 42.671367] R13: 00007ffdf053f830 R14: 00005647a4880bc0 R15: 00005647a4891780 [ 42.672468] [ 42.672846] irq event stamp: 1773 [ 42.673386] hardirqs last enabled at (1783): [] __up_console_sem+0x78/0x80 [ 42.674655] hardirqs last disabled at (1792): [] __up_console_sem+0x5d/0x80 [ 42.675950] softirqs last enabled at (1594): [] handle_softirqs+0x50c/0x770 [ 42.677277] softirqs last disabled at (1589): [] __irq_exit_rcu+0xc4/0x100 [ 42.678579] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:31192' (ECDSA) to the list of known hosts. 2025/11/17 17:33:52 fuzzer started 2025/11/17 17:33:52 dialing manager at localhost:37895 2025/11/17 17:33:52 checking machine... 2025/11/17 17:33:52 checking revisions... [ 43.642635] kmemleak: Automatic memory scanning thread ended 2025/11/17 17:33:52 testing simple program... [ 43.721752] cgroup: Unknown subsys name 'net' [ 43.790739] cgroup: Unknown subsys name 'cpuset' [ 43.803283] cgroup: Unknown subsys name 'rlimit' executing program executing program VM DIAGNOSIS: 17:33:51 Registers: info registers vcpu 0 RAX=000000001f11977f RBX=ffff888018929bc0 RCX=00000000235b4fc8 RDX=00000000235b4fc8 RSI=0000000010e2cc00 RDI=00000000a4e8a246 RBP=ffff88801892a618 RSP=ffff8880159f7550 R8 =0000000000000001 R9 =0000000000000000 R10=0000000000000001 R11=0000000000000000 R12=ffff88801892a640 R13=00000000343e1bc8 R14=0000000000000000 R15=0000000000000001 RIP=ffffffff815275de RFL=00000003 [------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 00007fa514d18900 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe6a00000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007fa514ce7008 CR3=00000000203d4000 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=0000000000020c53 RBX=0000000000000001 RCX=ffffffff84c72d57 RDX=0000000000000000 RSI=0000000000000000 RDI=ffffffff814d2c90 RBP=dffffc0000000000 RSP=ffff8880096efe58 R8 =0000000000000001 R9 =ffffed100d9e639a R10=ffff88806cf31cd3 R11=0000000000000001 R12=ffffffff8664f650 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 fffffe4900000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f120b3e5000 CR3=000000000bc17000 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=94aed3b1e92689b14e447201d828023e XMM02=00000000003044d0ec2efd57dc4c00df XMM03=0000000000310160fcb5b294c45d597a XMM04=4cfd30ad6c0d2f7c00000000000ae988 XMM05=090f1556b20111b30000000000320cd0 XMM06=5b75c91c804453420000000000320b58 XMM07=e042d86d42eb936e0000000000310438 XMM08=fcb5b294c45d597a0000000000304530 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000