syzkaller login: [ 46.185782] ------------[ cut here ]------------ [ 46.186771] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 46.188902] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/232 [ 46.190439] Modules linked in: [ 46.191065] CPU: 0 UID: 104 PID: 232 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 46.193203] Tainted: [W]=WARN [ 46.193857] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 46.195428] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 46.196405] 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 [ 46.199856] RSP: 0018:ffff88801666fbc0 EFLAGS: 00010286 [ 46.200925] RAX: 0000000000000000 RBX: ffffed1002ccdf78 RCX: ffffffff813a4050 [ 46.202352] RDX: ffff888015788000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 46.203761] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002ccdf2f [ 46.205167] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 46.206573] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801666fdf8 [ 46.207980] FS: 00007f9494614900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 46.209572] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 46.210718] CR2: 00007f9494b06580 CR3: 00000000101a8000 CR4: 0000000000350ef0 [ 46.212130] Call Trace: [ 46.212694] [ 46.213141] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 46.214154] ? __create_object+0x59/0x80 [ 46.215010] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 46.216080] __vmalloc_noprof+0x59/0x60 [ 46.216926] bpf_prog_alloc_no_stats+0x55/0x470 [ 46.217875] ? __pfx_seccomp_check_filter+0x10/0x10 [ 46.218893] bpf_prog_alloc+0x39/0x200 [ 46.219709] ? __pfx_seccomp_check_filter+0x10/0x10 [ 46.220730] bpf_prog_create_from_user+0xb2/0x2f0 [ 46.221749] do_seccomp+0x349/0x25e0 [ 46.222539] ? __pfx_css_rstat_updated+0x10/0x10 [ 46.223514] ? __pfx_do_seccomp+0x10/0x10 [ 46.224387] ? find_held_lock+0x2b/0x80 [ 46.225175] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 46.226245] ? static_key_count+0x60/0x80 [ 46.227123] prctl_set_seccomp+0x4e/0x70 [ 46.227989] __do_sys_prctl+0xe6c/0x1d70 [ 46.228845] ? __pfx___do_sys_prctl+0x10/0x10 [ 46.229808] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 46.230859] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 46.231916] ? irqentry_exit+0xf3/0x650 [ 46.232758] do_syscall_64+0xbf/0x430 [ 46.233570] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 46.234623] RIP: 0033:0x7f9494b065cd [ 46.235401] 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 [ 46.238881] RSP: 002b:00007ffd64a033c0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 46.240372] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f9494b065cd [ 46.241675] RDX: 00005576ee030e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 46.242532] RBP: 00007ffd64a03420 R08: 0000000000000000 R09: 00007ffd64a02ac0 [ 46.243403] R10: 0000000000000000 R11: 0000000000000246 R12: 00005576f00f1b10 [ 46.244237] R13: 00007ffd64a03850 R14: 00005576f00f22b0 R15: 00005576f01066f0 [ 46.245136] [ 46.245459] irq event stamp: 1725 [ 46.245860] hardirqs last enabled at (1733): [] __up_console_sem+0x78/0x80 [ 46.246885] hardirqs last disabled at (1742): [] __up_console_sem+0x5d/0x80 [ 46.247916] softirqs last enabled at (1500): [] handle_softirqs+0x50c/0x770 [ 46.248948] softirqs last disabled at (1495): [] __irq_exit_rcu+0xc4/0x100 [ 46.249979] ---[ end trace 0000000000000000 ]--- [ 49.771956] ------------[ cut here ]------------ [ 49.772890] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 49.774972] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/241 [ 49.776424] Modules linked in: [ 49.777017] CPU: 0 UID: 104 PID: 241 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 49.779063] Tainted: [W]=WARN [ 49.779678] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 49.781143] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 49.782071] 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 [ 49.785253] RSP: 0018:ffff888016befbc0 EFLAGS: 00010286 [ 49.786249] RAX: 0000000000000000 RBX: ffffed1002d7df78 RCX: ffffffff813a4050 [ 49.787526] RDX: ffff88800f283780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 49.788804] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002d7df2f [ 49.790102] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 49.791385] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888016befdf8 [ 49.792668] FS: 00007f12ab5e1900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 49.794137] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 49.795208] CR2: 00007f12abad3580 CR3: 000000001ed54000 CR4: 0000000000350ef0 [ 49.796490] Call Trace: [ 49.796953] [ 49.797419] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 49.798283] ? __create_object+0x59/0x80 [ 49.799090] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 49.800075] __vmalloc_noprof+0x59/0x60 [ 49.800839] bpf_prog_alloc_no_stats+0x55/0x470 [ 49.801735] ? __pfx_seccomp_check_filter+0x10/0x10 [ 49.802675] bpf_prog_alloc+0x39/0x200 [ 49.803420] ? __pfx_seccomp_check_filter+0x10/0x10 [ 49.804363] bpf_prog_create_from_user+0xb2/0x2f0 [ 49.805230] do_seccomp+0x349/0x25e0 [ 49.805957] ? __pfx_css_rstat_updated+0x10/0x10 [ 49.806865] ? __pfx_do_seccomp+0x10/0x10 [ 49.807654] ? find_held_lock+0x2b/0x80 [ 49.808420] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 49.809407] ? static_key_count+0x60/0x80 [ 49.810165] prctl_set_seccomp+0x4e/0x70 [ 49.810945] __do_sys_prctl+0xe6c/0x1d70 [ 49.811746] ? __pfx___do_sys_prctl+0x10/0x10 [ 49.812602] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 49.813582] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 49.814554] ? irqentry_exit+0xf3/0x650 [ 49.815268] do_syscall_64+0xbf/0x430 [ 49.816009] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 49.816975] RIP: 0033:0x7f12abad35cd [ 49.817695] 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 [ 49.820870] RSP: 002b:00007fff202406a0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 49.822240] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f12abad35cd [ 49.823528] RDX: 00005563bdfe2e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 49.824821] RBP: 00007fff20240700 R08: 0000000000000000 R09: 00007fff2023fda0 [ 49.826106] R10: 0000000000000000 R11: 0000000000000246 R12: 00005563f6e8fbf0 [ 49.827396] R13: 00007fff20240b30 R14: 00005563f6e99380 R15: 00005563f6ea4460 [ 49.828702] [ 49.829125] irq event stamp: 1715 [ 49.829796] hardirqs last enabled at (1725): [] __up_console_sem+0x78/0x80 [ 49.830938] hardirqs last disabled at (1734): [] __up_console_sem+0x5d/0x80 [ 49.831911] softirqs last enabled at (1560): [] handle_softirqs+0x50c/0x770 [ 49.832921] softirqs last disabled at (1555): [] __irq_exit_rcu+0xc4/0x100 [ 49.833899] ---[ end trace 0000000000000000 ]--- [ 50.614810] ------------[ cut here ]------------ [ 50.615725] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 50.617819] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/248 [ 50.619277] Modules linked in: [ 50.619899] CPU: 0 UID: 104 PID: 248 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 50.621961] Tainted: [W]=WARN [ 50.622561] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 50.624031] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 50.624944] 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 [ 50.628122] RSP: 0018:ffff888019c0fbc0 EFLAGS: 00010286 [ 50.629102] RAX: 0000000000000000 RBX: ffffed1003381f78 RCX: ffffffff813a4050 [ 50.630388] RDX: ffff888016738000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 50.631646] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1003381f2f [ 50.632921] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 50.634199] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888019c0fdf8 [ 50.635479] FS: 00007f5d1fd53900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 50.636910] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.637982] CR2: 00007f5d20245580 CR3: 000000001631e000 CR4: 0000000000350ef0 [ 50.639262] Call Trace: [ 50.639768] [ 50.640172] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 50.641065] ? __create_object+0x59/0x80 [ 50.641855] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 50.642817] __vmalloc_noprof+0x59/0x60 [ 50.643578] bpf_prog_alloc_no_stats+0x55/0x470 [ 50.644450] ? __pfx_seccomp_check_filter+0x10/0x10 [ 50.645389] bpf_prog_alloc+0x39/0x200 [ 50.646069] ? __pfx_seccomp_check_filter+0x10/0x10 [ 50.646987] bpf_prog_create_from_user+0xb2/0x2f0 [ 50.647875] do_seccomp+0x349/0x25e0 [ 50.648590] ? __pfx_css_rstat_updated+0x10/0x10 [ 50.649495] ? __pfx_do_seccomp+0x10/0x10 [ 50.650227] ? find_held_lock+0x2b/0x80 [ 50.650975] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 50.651941] ? static_key_count+0x60/0x80 [ 50.652748] prctl_set_seccomp+0x4e/0x70 [ 50.653533] __do_sys_prctl+0xe6c/0x1d70 [ 50.654269] ? __pfx___do_sys_prctl+0x10/0x10 [ 50.655115] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 50.656090] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 50.657064] ? irqentry_exit+0xf3/0x650 [ 50.657827] do_syscall_64+0xbf/0x430 [ 50.658563] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 50.659524] RIP: 0033:0x7f5d202455cd [ 50.660183] 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 [ 50.663349] RSP: 002b:00007ffc0b70d7c0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 50.664716] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f5d202455cd [ 50.665993] RDX: 0000562f0a11de00 RSI: 0000000000000002 RDI: 0000000000000016 [ 50.667257] RBP: 00007ffc0b70d820 R08: 0000000000000000 R09: 00007ffc0b70cec0 [ 50.668521] R10: 0000000000000000 R11: 0000000000000246 R12: 0000562f242b92b0 [ 50.669802] R13: 00007ffc0b70dc50 R14: 0000562f242bbd20 R15: 0000562f242cd8d0 [ 50.671091] [ 50.671545] irq event stamp: 1719 [ 50.672142] hardirqs last enabled at (1727): [] __up_console_sem+0x78/0x80 [ 50.673660] hardirqs last disabled at (1736): [] __up_console_sem+0x5d/0x80 [ 50.675197] softirqs last enabled at (1582): [] handle_softirqs+0x50c/0x770 [ 50.676720] softirqs last disabled at (1577): [] __irq_exit_rcu+0xc4/0x100 [ 50.678239] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:49474' (ECDSA) to the list of known hosts. 2025/11/17 09:48:34 fuzzer started 2025/11/17 09:48:34 dialing manager at localhost:37895 2025/11/17 09:48:34 checking machine... 2025/11/17 09:48:34 checking revisions... [ 51.596840] kmemleak: Automatic memory scanning thread ended 2025/11/17 09:48:34 testing simple program... [ 51.690500] cgroup: Unknown subsys name 'net' [ 51.758811] cgroup: Unknown subsys name 'cpuset' [ 51.780912] cgroup: Unknown subsys name 'rlimit' executing program executing program VM DIAGNOSIS: 09:48:33 Registers: info registers vcpu 0 RAX=0000000000000012 RBX=ffff888015789bc0 RCX=0000000000000000 RDX=0000000000000012 RSI=0000000000000000 RDI=ffffffff85e1ff20 RBP=ffff88801578a618 RSP=ffff8880185678b0 R8 =0000000000000000 R9 =0000000000000012 R10=0000000000000001 R11=0000000000000000 R12=ffff88801578a640 R13=0000000000000002 R14=0000000000000000 R15=0000000000000000 RIP=ffffffff81527119 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 00007f12ab5e1900 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe4000000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f12ab5ab008 CR3=0000000009e34000 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=0000000000025a6f 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 fffffe6000000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007ffce0f19528 CR3=000000000b666000 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=2033333a38343a393020373120766f4e XMM01=73732878696e755f6d6170203a5d3034 XMM02=65736f6c63206e6f6973736573203a29 XMM03=755f6d6170203a5d3034325b64687373 XMM04=69662068637573206f4e203a656c6163 XMM05=3a656c696620766e65206e65706f206f XMM06=65733a6468737328766e655f6d617020 XMM07=6b7a79732033333a38343a3930203731 XMM08=30343d7974696c696261706163202279 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000