syzkaller login: [ 39.093759] ------------[ cut here ]------------ [ 39.094487] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 39.096230] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/233 [ 39.097458] Modules linked in: [ 39.097991] CPU: 0 UID: 104 PID: 233 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 39.099686] Tainted: [W]=WARN [ 39.100150] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 39.101368] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 39.102139] 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 [ 39.104756] RSP: 0018:ffff888015e1fbc0 EFLAGS: 00010286 [ 39.105526] RAX: 0000000000000000 RBX: ffffed1002bc3f78 RCX: ffffffff813a4050 [ 39.106661] RDX: ffff888016090000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 39.107724] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002bc3f2f [ 39.108794] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 39.109880] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888015e1fdf8 [ 39.110973] FS: 00007fccc0cfc900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 39.112176] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 39.113064] CR2: 00007ffcb9326ef8 CR3: 000000000d868000 CR4: 0000000000350ef0 [ 39.114153] Call Trace: [ 39.114571] [ 39.114910] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 39.115652] ? __create_object+0x59/0x80 [ 39.116267] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.117076] __vmalloc_noprof+0x59/0x60 [ 39.117712] bpf_prog_alloc_no_stats+0x55/0x470 [ 39.118417] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.119198] bpf_prog_alloc+0x39/0x200 [ 39.119821] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.120605] bpf_prog_create_from_user+0xb2/0x2f0 [ 39.121331] do_seccomp+0x349/0x25e0 [ 39.121954] ? find_held_lock+0x2b/0x80 [ 39.122613] ? do_prlimit+0x310/0x610 [ 39.123201] ? __pfx_do_seccomp+0x10/0x10 [ 39.123859] ? do_raw_spin_unlock+0x53/0x220 [ 39.124522] ? _raw_spin_unlock+0x1e/0x40 [ 39.125184] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 39.126002] ? static_key_count+0x60/0x80 [ 39.126663] prctl_set_seccomp+0x4e/0x70 [ 39.127277] __do_sys_prctl+0xe6c/0x1d70 [ 39.127939] ? __pfx___do_sys_prctl+0x10/0x10 [ 39.128646] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 39.129416] ? irqentry_exit+0xf3/0x650 [ 39.130074] do_syscall_64+0xbf/0x430 [ 39.130692] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 39.131452] RIP: 0033:0x7fccc11ee5cd [ 39.132032] 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 [ 39.134690] RSP: 002b:00007ffcb9325450 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 39.135826] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fccc11ee5cd [ 39.136900] RDX: 000056114b2fde00 RSI: 0000000000000002 RDI: 0000000000000016 [ 39.137978] RBP: 00007ffcb93254b0 R08: 0000000000000000 R09: 00007ffcb9324b50 [ 39.139045] R10: 0000000000000000 R11: 0000000000000246 R12: 000056117edb4ad0 [ 39.140105] R13: 00007ffcb93258e0 R14: 000056117edb5bc0 R15: 000056117edc6780 [ 39.141188] [ 39.141577] irq event stamp: 1741 [ 39.142088] hardirqs last enabled at (1749): [] __up_console_sem+0x78/0x80 [ 39.143381] hardirqs last disabled at (1758): [] __up_console_sem+0x5d/0x80 [ 39.144657] softirqs last enabled at (1266): [] handle_softirqs+0x50c/0x770 [ 39.145968] softirqs last disabled at (1777): [] __irq_exit_rcu+0xc4/0x100 [ 39.147230] ---[ end trace 0000000000000000 ]--- [ 41.922487] ------------[ cut here ]------------ [ 41.922922] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 41.924109] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/242 [ 41.924779] Modules linked in: [ 41.925047] CPU: 0 UID: 104 PID: 242 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 41.926060] Tainted: [W]=WARN [ 41.926311] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 41.927003] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 41.927397] 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 [ 41.928831] RSP: 0018:ffff888017097bc0 EFLAGS: 00010286 [ 41.929250] RAX: 0000000000000000 RBX: ffffed1002e12f78 RCX: ffffffff813a4050 [ 41.929832] RDX: ffff888019985340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 41.930395] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002e12f2f [ 41.930978] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 41.931561] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888017097df8 [ 41.932119] FS: 00007f97ad65d900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 41.932773] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 41.933231] CR2: 00007ffe8665def8 CR3: 000000000e1ab000 CR4: 0000000000350ef0 [ 41.933901] Call Trace: [ 41.934123] [ 41.934306] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 41.934715] ? __create_object+0x59/0x80 [ 41.935047] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 41.935461] __vmalloc_noprof+0x59/0x60 [ 41.935813] bpf_prog_alloc_no_stats+0x55/0x470 [ 41.936187] ? __pfx_seccomp_check_filter+0x10/0x10 [ 41.936606] bpf_prog_alloc+0x39/0x200 [ 41.936916] ? __pfx_seccomp_check_filter+0x10/0x10 [ 41.937311] bpf_prog_create_from_user+0xb2/0x2f0 [ 41.937714] do_seccomp+0x349/0x25e0 [ 41.938023] ? find_held_lock+0x2b/0x80 [ 41.938343] ? do_prlimit+0x310/0x610 [ 41.938753] ? __pfx_do_seccomp+0x10/0x10 [ 41.939228] ? do_raw_spin_unlock+0x53/0x220 [ 41.939631] ? _raw_spin_unlock+0x1e/0x40 [ 41.939978] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 41.940432] ? static_key_count+0x60/0x80 [ 41.940819] prctl_set_seccomp+0x4e/0x70 [ 41.941159] __do_sys_prctl+0xe6c/0x1d70 [ 41.941489] ? __pfx___do_sys_prctl+0x10/0x10 [ 41.941875] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 41.942300] ? irqentry_exit+0xf3/0x650 [ 41.942671] do_syscall_64+0xbf/0x430 [ 41.943017] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 41.943466] RIP: 0033:0x7f97adb4f5cd [ 41.943812] 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 [ 41.945276] RSP: 002b:00007ffe8665b6d0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 41.945914] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f97adb4f5cd [ 41.946614] RDX: 00005609ea42fe00 RSI: 0000000000000002 RDI: 0000000000000016 [ 41.947181] RBP: 00007ffe8665b730 R08: 0000000000000000 R09: 00007ffe8665add0 [ 41.947816] R10: 0000000000000000 R11: 0000000000000246 R12: 0000560a1d43bad0 [ 41.948598] R13: 00007ffe8665bb60 R14: 0000560a1d43cbc0 R15: 0000560a1d44d780 [ 41.949177] [ 41.949372] irq event stamp: 1775 [ 41.949670] hardirqs last enabled at (1785): [] __up_console_sem+0x78/0x80 [ 41.950489] hardirqs last disabled at (1794): [] __up_console_sem+0x5d/0x80 [ 41.951200] softirqs last enabled at (1506): [] handle_softirqs+0x50c/0x770 [ 41.951912] softirqs last disabled at (1499): [] __irq_exit_rcu+0xc4/0x100 [ 41.952605] ---[ end trace 0000000000000000 ]--- [ 42.541598] ------------[ cut here ]------------ [ 42.542487] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.544490] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/249 [ 42.545962] Modules linked in: [ 42.546646] CPU: 0 UID: 104 PID: 249 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 42.548614] Tainted: [W]=WARN [ 42.549159] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.550637] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.551491] 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 [ 42.554632] RSP: 0018:ffff888019837bc0 EFLAGS: 00010286 [ 42.555596] RAX: 0000000000000000 RBX: ffffed1003306f78 RCX: ffffffff813a4050 [ 42.556879] RDX: ffff88800d239bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.558157] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1003306f2f [ 42.559423] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.560677] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888019837df8 [ 42.561984] FS: 00007f6964237900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 42.563402] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.564469] CR2: 00007ffd331a9ef8 CR3: 000000000db82000 CR4: 0000000000350ef0 [ 42.565727] Call Trace: [ 42.566206] [ 42.566656] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.567515] ? __create_object+0x59/0x80 [ 42.568304] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.569274] __vmalloc_noprof+0x59/0x60 [ 42.570061] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.570937] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.571876] bpf_prog_alloc+0x39/0x200 [ 42.572629] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.573531] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.574445] do_seccomp+0x349/0x25e0 [ 42.575177] ? find_held_lock+0x2b/0x80 [ 42.575943] ? do_prlimit+0x310/0x610 [ 42.576687] ? __pfx_do_seccomp+0x10/0x10 [ 42.577435] ? do_raw_spin_unlock+0x53/0x220 [ 42.578285] ? _raw_spin_unlock+0x1e/0x40 [ 42.579061] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.580027] ? static_key_count+0x60/0x80 [ 42.580842] prctl_set_seccomp+0x4e/0x70 [ 42.581621] __do_sys_prctl+0xe6c/0x1d70 [ 42.582367] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.583221] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.584202] ? irqentry_exit+0xf3/0x650 [ 42.584970] do_syscall_64+0xbf/0x430 [ 42.585724] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.586682] RIP: 0033:0x7f69647295cd [ 42.587343] 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 [ 42.590523] RSP: 002b:00007ffd331a7480 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.591922] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f69647295cd [ 42.593199] RDX: 0000559eaf8f8e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.594513] RBP: 00007ffd331a74e0 R08: 0000000000000000 R09: 00007ffd331a6b80 [ 42.595808] R10: 0000000000000000 R11: 0000000000000246 R12: 0000559ee1381ad0 [ 42.597107] R13: 00007ffd331a7910 R14: 0000559ee1382bc0 R15: 0000559ee1393780 [ 42.598442] [ 42.598906] irq event stamp: 1757 [ 42.599508] hardirqs last enabled at (1765): [] __up_console_sem+0x78/0x80 [ 42.601046] hardirqs last disabled at (1776): [] __up_console_sem+0x5d/0x80 [ 42.602578] softirqs last enabled at (1734): [] handle_softirqs+0x50c/0x770 [ 42.603725] softirqs last disabled at (1729): [] __irq_exit_rcu+0xc4/0x100 [ 42.604683] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:14449' (ECDSA) to the list of known hosts. 2025/11/17 20:23:49 fuzzer started 2025/11/17 20:23:50 dialing manager at localhost:37895 2025/11/17 20:23:50 checking machine... 2025/11/17 20:23:50 checking revisions... [ 43.392452] kmemleak: Automatic memory scanning thread ended 2025/11/17 20:23:50 testing simple program... [ 43.475602] cgroup: Unknown subsys name 'net' [ 43.548000] cgroup: Unknown subsys name 'cpuset' [ 43.563674] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program VM DIAGNOSIS: 20:23:49 Registers: info registers vcpu 0 RAX=dffffc0000000000 RBX=ffff88800985b268 RCX=ffffffff84bf65cd RDX=1ffff1100130b64d RSI=ffffffff84bf65db RDI=ffff88800eaefab8 RBP=ffff88800eaefe40 RSP=ffff88800eaef958 R8 =0000000000000001 R9 =ffffed100412f6d8 R10=000000000000000d R11=0000000000000005 R12=000000000000000d R13=ffff88800985b2e0 R14=ffff88800985b280 R15=ffff88800eaefa90 RIP=ffffffff84bf661a 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 00007f97ad65d900 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe2800000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f97ad60c008 CR3=000000000d9c1000 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=ffff88806cf08b38 RCX=ffff88806cf089c4 RDX=1ffff1100d9e117a RSI=ffffffff815d6b08 RDI=ffff88806cf08b44 RBP=ffff88806cf08bd0 RSP=ffff88806cf08a50 R8 =0000000000000001 R9 =ffff88806cf08ab0 R10=000000000003c9ed R11=0000000000023e3c R12=ffff88806cf08b38 R13=0000000000000000 R14=ffff888009643780 R15=ffff888008c4b780 RIP=ffffffff81619077 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 fffffe5800000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007ff537a99010 CR3=000000000d43e000 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=3e1df28824fe06a72b42877cbac615aa XMM02=ec2efd57dc4c00df0000000000307d40 XMM03=81fc4c90f57649110000000000307e10 XMM04=b6f96200062b622600000000000ae988 XMM05=ecdc29f73d537fd20000000000322450 XMM06=5b75c91c804453420000000000321ae8 XMM07=e042d86d42eb936e0000000000312278 XMM08=81fc4c90f57649110000000000307e10 XMM09=00000000000000000000000000000000 XMM10=20200000000020202020202020200000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000