syzkaller login: [ 46.602120] ------------[ cut here ]------------ [ 46.603076] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 46.605092] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/233 [ 46.606567] Modules linked in: [ 46.607190] CPU: 0 UID: 104 PID: 233 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 46.609422] Tainted: [W]=WARN [ 46.610525] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 46.612028] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 46.612949] 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 [ 46.616129] RSP: 0018:ffff888015a77bc0 EFLAGS: 00010286 [ 46.617125] RAX: 0000000000000000 RBX: ffffed1002b4ef78 RCX: ffffffff813a4050 [ 46.618436] RDX: ffff8880170ed340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 46.619723] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002b4ef2f [ 46.621028] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 46.622339] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888015a77df8 [ 46.623631] FS: 00007f46b4436900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 46.625076] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 46.626161] CR2: 00007f46b4928580 CR3: 000000000e33e000 CR4: 0000000000350ef0 [ 46.627467] Call Trace: [ 46.627971] [ 46.628385] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 46.629310] ? __create_object+0x59/0x80 [ 46.630101] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 46.631091] __vmalloc_noprof+0x59/0x60 [ 46.631855] bpf_prog_alloc_no_stats+0x55/0x470 [ 46.632673] ? __pfx_seccomp_check_filter+0x10/0x10 [ 46.633625] bpf_prog_alloc+0x39/0x200 [ 46.634393] ? __pfx_seccomp_check_filter+0x10/0x10 [ 46.635315] bpf_prog_create_from_user+0xb2/0x2f0 [ 46.636228] do_seccomp+0x349/0x25e0 [ 46.636958] ? __pfx_css_rstat_updated+0x10/0x10 [ 46.637858] ? __pfx_do_seccomp+0x10/0x10 [ 46.638626] ? find_held_lock+0x2b/0x80 [ 46.639401] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 46.640415] ? static_key_count+0x60/0x80 [ 46.641217] prctl_set_seccomp+0x4e/0x70 [ 46.641997] __do_sys_prctl+0xe6c/0x1d70 [ 46.642753] ? __pfx___do_sys_prctl+0x10/0x10 [ 46.643630] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 46.644613] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 46.645588] ? irqentry_exit+0xf3/0x650 [ 46.646375] do_syscall_64+0xbf/0x430 [ 46.647126] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 46.648074] RIP: 0033:0x7f46b49285cd [ 46.648724] 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 [ 46.651909] RSP: 002b:00007ffc5a1288e0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 46.653272] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f46b49285cd [ 46.654594] RDX: 0000557847c12e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 46.655883] RBP: 00007ffc5a128940 R08: 0000000000000000 R09: 00007ffc5a127fe0 [ 46.657192] R10: 0000000000000000 R11: 0000000000000246 R12: 0000557871ee6240 [ 46.658464] R13: 00007ffc5a128d70 R14: 0000557871eef380 R15: 0000557871efa540 [ 46.659795] [ 46.660265] irq event stamp: 1903 [ 46.660923] hardirqs last enabled at (1913): [] __up_console_sem+0x78/0x80 [ 46.662465] hardirqs last disabled at (1922): [] __up_console_sem+0x5d/0x80 [ 46.663997] softirqs last enabled at (1776): [] handle_softirqs+0x50c/0x770 [ 46.665538] softirqs last disabled at (1771): [] __irq_exit_rcu+0xc4/0x100 [ 46.666993] ---[ end trace 0000000000000000 ]--- [ 49.389613] ------------[ cut here ]------------ [ 49.390562] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 49.392621] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/240 [ 49.394086] Modules linked in: [ 49.394707] CPU: 1 UID: 104 PID: 240 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 49.396709] Tainted: [W]=WARN [ 49.397324] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 49.399086] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 49.400090] 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 [ 49.403331] RSP: 0018:ffff88801c89fbc0 EFLAGS: 00010286 [ 49.404344] RAX: 0000000000000000 RBX: ffffed1003913f78 RCX: ffffffff813a4050 [ 49.405658] RDX: ffff8880163b5340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 49.406998] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1003913f2f [ 49.408312] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 49.409615] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801c89fdf8 [ 49.410947] FS: 00007f171d3c2900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 49.412424] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 49.413514] CR2: 00007f171d8b4580 CR3: 000000001ff25000 CR4: 0000000000350ef0 [ 49.414853] Call Trace: [ 49.415330] [ 49.415743] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 49.416657] ? __create_object+0x59/0x80 [ 49.417467] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 49.418462] __vmalloc_noprof+0x59/0x60 [ 49.419219] bpf_prog_alloc_no_stats+0x55/0x470 [ 49.420133] ? __pfx_seccomp_check_filter+0x10/0x10 [ 49.421073] bpf_prog_alloc+0x39/0x200 [ 49.421779] ? __pfx_seccomp_check_filter+0x10/0x10 [ 49.422729] bpf_prog_create_from_user+0xb2/0x2f0 [ 49.423633] do_seccomp+0x349/0x25e0 [ 49.424344] ? __pfx_css_rstat_updated+0x10/0x10 [ 49.425239] ? __pfx_do_seccomp+0x10/0x10 [ 49.426068] ? find_held_lock+0x2b/0x80 [ 49.426786] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 49.427766] ? static_key_count+0x60/0x80 [ 49.428566] prctl_set_seccomp+0x4e/0x70 [ 49.429335] __do_sys_prctl+0xe6c/0x1d70 [ 49.430124] ? __pfx___do_sys_prctl+0x10/0x10 [ 49.430999] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 49.431971] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 49.432939] ? irqentry_exit+0xf3/0x650 [ 49.433661] do_syscall_64+0xbf/0x430 [ 49.434414] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 49.435403] RIP: 0033:0x7f171d8b45cd [ 49.436132] 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 [ 49.439260] RSP: 002b:00007ffcb6163340 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 49.440390] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f171d8b45cd [ 49.441447] RDX: 000055809cae8e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 49.442523] RBP: 00007ffcb61633a0 R08: 0000000000000000 R09: 00007ffcb6162a40 [ 49.443583] R10: 0000000000000000 R11: 0000000000000246 R12: 00005580d831e240 [ 49.444675] R13: 00007ffcb61637d0 R14: 00005580d831dbf0 R15: 00005580d83324d0 [ 49.445741] [ 49.446125] irq event stamp: 1785 [ 49.446637] hardirqs last enabled at (1793): [] __up_console_sem+0x78/0x80 [ 49.447891] hardirqs last disabled at (1802): [] __up_console_sem+0x5d/0x80 [ 49.449139] softirqs last enabled at (1340): [] handle_softirqs+0x50c/0x770 [ 49.450439] softirqs last disabled at (1319): [] __irq_exit_rcu+0xc4/0x100 [ 49.451701] ---[ end trace 0000000000000000 ]--- [ 50.176448] ------------[ cut here ]------------ [ 50.177415] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 50.179457] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/247 [ 50.180930] Modules linked in: [ 50.181515] CPU: 1 UID: 104 PID: 247 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 50.183525] Tainted: [W]=WARN [ 50.184155] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 50.185653] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 50.186603] 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 [ 50.189781] RSP: 0018:ffff88800df27bc0 EFLAGS: 00010286 [ 50.190774] RAX: 0000000000000000 RBX: ffffed1001be4f78 RCX: ffffffff813a4050 [ 50.192090] RDX: ffff8880151c1bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 50.193372] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1001be4f2f [ 50.194688] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 50.195991] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88800df27df8 [ 50.197292] FS: 00007f41959d2900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 50.198756] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.199836] CR2: 00007f4195ec4580 CR3: 000000000da91000 CR4: 0000000000350ef0 [ 50.201141] Call Trace: [ 50.201615] [ 50.202076] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 50.203022] ? __create_object+0x59/0x80 [ 50.203781] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 50.204751] __vmalloc_noprof+0x59/0x60 [ 50.205527] bpf_prog_alloc_no_stats+0x55/0x470 [ 50.206433] ? __pfx_seccomp_check_filter+0x10/0x10 [ 50.207385] bpf_prog_alloc+0x39/0x200 [ 50.208123] ? __pfx_seccomp_check_filter+0x10/0x10 [ 50.209071] bpf_prog_create_from_user+0xb2/0x2f0 [ 50.210002] do_seccomp+0x349/0x25e0 [ 50.210702] ? __pfx_css_rstat_updated+0x10/0x10 [ 50.211623] ? __pfx_do_seccomp+0x10/0x10 [ 50.212414] ? find_held_lock+0x2b/0x80 [ 50.213200] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 50.214172] ? static_key_count+0x60/0x80 [ 50.215008] prctl_set_seccomp+0x4e/0x70 [ 50.215746] __do_sys_prctl+0xe6c/0x1d70 [ 50.216539] ? __pfx___do_sys_prctl+0x10/0x10 [ 50.217412] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 50.218416] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 50.219392] ? irqentry_exit+0xf3/0x650 [ 50.220156] do_syscall_64+0xbf/0x430 [ 50.220920] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 50.221896] RIP: 0033:0x7f4195ec45cd [ 50.222573] 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 [ 50.225731] RSP: 002b:00007ffe12426a30 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 50.227136] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f4195ec45cd [ 50.228421] RDX: 0000563fe82fbe00 RSI: 0000000000000002 RDI: 0000000000000016 [ 50.229733] RBP: 00007ffe12426a90 R08: 0000000000000000 R09: 00007ffe12426130 [ 50.231053] R10: 0000000000000000 R11: 0000000000000246 R12: 0000564022e85ad0 [ 50.232354] R13: 00007ffe12426ec0 R14: 0000564022e86bc0 R15: 0000564022e97780 [ 50.233677] [ 50.234150] irq event stamp: 1797 [ 50.234778] hardirqs last enabled at (1805): [] __up_console_sem+0x78/0x80 [ 50.236353] hardirqs last disabled at (1816): [] __up_console_sem+0x5d/0x80 [ 50.237878] softirqs last enabled at (1754): [] handle_softirqs+0x50c/0x770 [ 50.239456] softirqs last disabled at (1743): [] __irq_exit_rcu+0xc4/0x100 [ 50.240987] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:42537' (ECDSA) to the list of known hosts. 2025/11/17 14:17:31 fuzzer started 2025/11/17 14:17:32 dialing manager at localhost:37895 2025/11/17 14:17:32 checking machine... 2025/11/17 14:17:32 checking revisions... [ 51.154660] kmemleak: Automatic memory scanning thread ended 2025/11/17 14:17:32 testing simple program... [ 51.232935] cgroup: Unknown subsys name 'net' [ 51.288900] cgroup: Unknown subsys name 'cpuset' [ 51.304786] cgroup: Unknown subsys name 'rlimit' executing program executing program VM DIAGNOSIS: 14:17:31 Registers: info registers vcpu 0 RAX=0000000000000001 RBX=ffff8880163b1bc0 RCX=ffff88806ce08934 RDX=0000000000000000 RSI=ffffffff85e1ffe0 RDI=ffff8880163b1fbc RBP=ffff8880163b1bc0 RSP=ffff88806ce08940 R8 =ffffffff86ab82c2 R9 =ffff88806ce08a20 R10=000000000003c9ed R11=00000000000255cb R12=ffff8880163b1bc0 R13=ffff88806ce08a28 R14=ffff88801b3cf8b0 R15=ffff88806ce089e0 RIP=ffffffff815d2a95 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 00007f171d3c2900 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=00007f171d979618 CR3=000000001fe8b000 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=563412feff00545000000000000080fe XMM01=6e69676f6c5f6d61702c78756e696c65 XMM02=755f6d61702c74696d7265705f6d6170 XMM03=2c766e655f6d61702c7374696d696c5f XMM04=6d61702c766e655f6d61702c7374696d XMM05=78696e755f6d61702c74696d7265705f XMM06=6469756e69676f6c5f6d61702c78756e XMM07=672065736f6c635f6e6f69737365733a XMM08=61662029286e65706f5f746964756100 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=0000000000025029 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=00000202 [-------] 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 fffffe4500000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f171d97a0b0 CR3=000000000d5d7000 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=0bd91078dc873e989c4cbaecd8512c9f XMM02=2c67c8bc2e329bc30000000000303800 XMM03=fb795ef6d65770560000000000310818 XMM04=ba6d02a936567d2e00000000000ae988 XMM05=e8f8a3b7f0f5f9f50000000000321058 XMM06=d74844bf967d85ba000000000031f620 XMM07=e042d86d42eb936e0000000000311258 XMM08=e61ad99beaff87960000000000303860 XMM09=00000000000000000000000000000000 XMM10=20200000000020202020202020200000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000