syzkaller login: [ 39.236727] ------------[ cut here ]------------ [ 39.237675] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 39.239679] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/231 [ 39.241164] Modules linked in: [ 39.241758] CPU: 0 UID: 104 PID: 231 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 39.243812] Tainted: [W]=WARN [ 39.244409] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 39.245888] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 39.246808] Code: e0 ad 11 00 81 e6 1f 52 ee ff 89 4c 24 40 89 74 24 30 90 48 c7 c7 40 38 f1 84 4c 8d 44 24 40 48 8d 54 24 30 e8 30 7b 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 [ 39.249981] RSP: 0018:ffff888016797bc0 EFLAGS: 00010286 [ 39.250959] RAX: 0000000000000000 RBX: ffffed1002cf2f78 RCX: ffffffff813a4050 [ 39.252259] RDX: ffff8880164b0000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 39.253539] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002cf2f2f [ 39.254816] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 39.256104] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888016797df8 [ 39.257388] FS: 00007efcfc8ec900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 39.258825] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 39.259891] CR2: 00007ffd3880def8 CR3: 000000001ccf0000 CR4: 0000000000350ef0 [ 39.261180] Call Trace: [ 39.261643] [ 39.262047] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 39.262959] ? __create_object+0x59/0x80 [ 39.264127] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.265097] __vmalloc_noprof+0x59/0x60 [ 39.265857] bpf_prog_alloc_no_stats+0x55/0x470 [ 39.266730] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.267671] bpf_prog_alloc+0x39/0x200 [ 39.268412] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.269350] bpf_prog_create_from_user+0xb2/0x2f0 [ 39.270255] do_seccomp+0x349/0x25e0 [ 39.270934] ? find_held_lock+0x2b/0x80 [ 39.271703] ? do_prlimit+0x310/0x610 [ 39.272447] ? __pfx_do_seccomp+0x10/0x10 [ 39.273229] ? do_raw_spin_unlock+0x53/0x220 [ 39.274016] ? _raw_spin_unlock+0x1e/0x40 [ 39.274795] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 39.275769] ? static_key_count+0x60/0x80 [ 39.276578] prctl_set_seccomp+0x4e/0x70 [ 39.277358] __do_sys_prctl+0xe6c/0x1d70 [ 39.278097] ? __pfx___do_sys_prctl+0x10/0x10 [ 39.278955] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 39.279947] ? irqentry_exit+0xf3/0x650 [ 39.280709] do_syscall_64+0xbf/0x430 [ 39.281443] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 39.282408] RIP: 0033:0x7efcfcdde5cd [ 39.283075] 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 [ 39.286267] RSP: 002b:00007ffd3880ce60 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 39.287643] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007efcfcdde5cd [ 39.288929] RDX: 0000562dd3501e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 39.290207] RBP: 00007ffd3880cec0 R08: 0000000000000000 R09: 00007ffd3880c560 [ 39.291510] R10: 0000000000000000 R11: 0000000000000246 R12: 0000562e0c7022b0 [ 39.292792] R13: 00007ffd3880d2f0 R14: 0000562e0c704d20 R15: 0000562e0c7168d0 [ 39.294090] [ 39.294553] irq event stamp: 1739 [ 39.295201] hardirqs last enabled at (1749): [] __up_console_sem+0x78/0x80 [ 39.296719] hardirqs last disabled at (1758): [] __up_console_sem+0x5d/0x80 [ 39.298257] softirqs last enabled at (1660): [] handle_softirqs+0x50c/0x770 [ 39.299801] softirqs last disabled at (1655): [] __irq_exit_rcu+0xc4/0x100 [ 39.301312] ---[ end trace 0000000000000000 ]--- [ 42.677459] ------------[ cut here ]------------ [ 42.678419] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.680463] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/241 [ 42.682060] Modules linked in: [ 42.682680] CPU: 1 UID: 104 PID: 241 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 42.685010] Tainted: [W]=WARN [ 42.685693] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.687237] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.688135] Code: e0 ad 11 00 81 e6 1f 52 ee ff 89 4c 24 40 89 74 24 30 90 48 c7 c7 40 38 f1 84 4c 8d 44 24 40 48 8d 54 24 30 e8 30 7b 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 [ 42.691448] RSP: 0018:ffff888014a67bc0 EFLAGS: 00010286 [ 42.692430] RAX: 0000000000000000 RBX: ffffed100294cf78 RCX: ffffffff813a4050 [ 42.693722] RDX: ffff88800fe4d340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.695009] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed100294cf2f [ 42.696313] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.697589] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888014a67df8 [ 42.698877] FS: 00007fa6e7081900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 42.700332] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.701437] CR2: 00007fa6e7573580 CR3: 000000001ff40000 CR4: 0000000000350ef0 [ 42.702758] Call Trace: [ 42.703314] [ 42.703720] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.704629] ? __create_object+0x59/0x80 [ 42.705440] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.706434] __vmalloc_noprof+0x59/0x60 [ 42.707227] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.708068] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.709029] bpf_prog_alloc+0x39/0x200 [ 42.709801] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.710759] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.711712] do_seccomp+0x349/0x25e0 [ 42.712451] ? __pfx_css_rstat_updated+0x10/0x10 [ 42.713376] ? __pfx_do_seccomp+0x10/0x10 [ 42.714138] ? find_held_lock+0x2b/0x80 [ 42.714905] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.715916] ? static_key_count+0x60/0x80 [ 42.716741] prctl_set_seccomp+0x4e/0x70 [ 42.717549] __do_sys_prctl+0xe6c/0x1d70 [ 42.718379] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.719268] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.720259] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.721259] ? irqentry_exit+0xf3/0x650 [ 42.722002] do_syscall_64+0xbf/0x430 [ 42.722794] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.723796] RIP: 0033:0x7fa6e75735cd [ 42.724522] 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 [ 42.727805] RSP: 002b:00007ffdf923d940 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.729213] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fa6e75735cd [ 42.730503] RDX: 0000560d7da4fe00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.731835] RBP: 00007ffdf923d9a0 R08: 0000000000000000 R09: 00007ffdf923d040 [ 42.733170] R10: 0000000000000000 R11: 0000000000000246 R12: 0000560d8ec2fb10 [ 42.734486] R13: 00007ffdf923ddd0 R14: 0000560d8ec302b0 R15: 0000560d8ec446f0 [ 42.735853] [ 42.736318] irq event stamp: 2205 [ 42.736822] hardirqs last enabled at (2213): [] __up_console_sem+0x78/0x80 [ 42.738132] hardirqs last disabled at (2222): [] __up_console_sem+0x5d/0x80 [ 42.739803] softirqs last enabled at (2096): [] handle_softirqs+0x50c/0x770 [ 42.741200] softirqs last disabled at (2091): [] __irq_exit_rcu+0xc4/0x100 [ 42.742486] ---[ end trace 0000000000000000 ]--- [ 43.485079] ------------[ cut here ]------------ [ 43.485867] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 43.487554] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/249 [ 43.488800] Modules linked in: [ 43.489508] CPU: 1 UID: 104 PID: 249 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 43.491184] Tainted: [W]=WARN [ 43.491640] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 43.492824] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 43.493560] Code: e0 ad 11 00 81 e6 1f 52 ee ff 89 4c 24 40 89 74 24 30 90 48 c7 c7 40 38 f1 84 4c 8d 44 24 40 48 8d 54 24 30 e8 30 7b 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 [ 43.496116] RSP: 0018:ffff888017bf7bc0 EFLAGS: 00010286 [ 43.496889] RAX: 0000000000000000 RBX: ffffed1002f7ef78 RCX: ffffffff813a4050 [ 43.497917] RDX: ffff8880176cb780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 43.498947] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002f7ef2f [ 43.499995] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 43.501012] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888017bf7df8 [ 43.502046] FS: 00007fc74ad7d900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 43.503186] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 43.504005] CR2: 00007fc74b2e34a6 CR3: 000000001cc4b000 CR4: 0000000000350ef0 [ 43.505031] Call Trace: [ 43.505434] [ 43.505761] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 43.506470] ? __create_object+0x59/0x80 [ 43.507059] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 43.507847] __vmalloc_noprof+0x59/0x60 [ 43.508454] bpf_prog_alloc_no_stats+0x55/0x470 [ 43.509114] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.509861] bpf_prog_alloc+0x39/0x200 [ 43.510448] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.511188] bpf_prog_create_from_user+0xb2/0x2f0 [ 43.511883] do_seccomp+0x349/0x25e0 [ 43.512456] ? find_held_lock+0x2b/0x80 [ 43.513033] ? do_prlimit+0x310/0x610 [ 43.513634] ? __pfx_do_seccomp+0x10/0x10 [ 43.514268] ? do_raw_spin_unlock+0x53/0x220 [ 43.514892] ? _raw_spin_unlock+0x1e/0x40 [ 43.515521] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 43.516298] ? static_key_count+0x60/0x80 [ 43.516936] prctl_set_seccomp+0x4e/0x70 [ 43.517599] __do_sys_prctl+0xe6c/0x1d70 [ 43.518259] ? __pfx___do_sys_prctl+0x10/0x10 [ 43.518953] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 43.519786] ? irqentry_exit+0xf3/0x650 [ 43.520435] do_syscall_64+0xbf/0x430 [ 43.521032] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 43.521841] RIP: 0033:0x7fc74b26f5cd [ 43.522444] 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 [ 43.525166] RSP: 002b:00007ffe116d0100 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 43.526333] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fc74b26f5cd [ 43.527434] RDX: 0000562df80ace00 RSI: 0000000000000002 RDI: 0000000000000016 [ 43.528522] RBP: 00007ffe116d0160 R08: 0000000000000000 R09: 00007ffe116cf800 [ 43.529610] R10: 0000000000000000 R11: 0000000000000246 R12: 0000562e0ecc9bf0 [ 43.530699] R13: 00007ffe116d0590 R14: 0000562e0ecd3380 R15: 0000562e0ecde460 [ 43.531813] [ 43.532219] irq event stamp: 1847 [ 43.532734] hardirqs last enabled at (1855): [] __up_console_sem+0x78/0x80 [ 43.534025] hardirqs last disabled at (1864): [] __up_console_sem+0x5d/0x80 [ 43.535324] softirqs last enabled at (1844): [] handle_softirqs+0x50c/0x770 [ 43.536645] softirqs last disabled at (1835): [] __irq_exit_rcu+0xc4/0x100 [ 43.537935] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:10234' (ECDSA) to the list of known hosts. 2025/11/19 03:31:22 fuzzer started 2025/11/19 03:31:22 dialing manager at localhost:34383 2025/11/19 03:31:22 checking machine... 2025/11/19 03:31:22 checking revisions... [ 44.384955] kmemleak: Automatic memory scanning thread ended 2025/11/19 03:31:22 testing simple program... [ 44.471870] cgroup: Unknown subsys name 'net' [ 44.547409] cgroup: Unknown subsys name 'cpuset' [ 44.562364] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program VM DIAGNOSIS: 03:31:21 Registers: info registers vcpu 0 RAX=000000000003c94b RBX=0000000000000000 RCX=ffffffff84c72d57 RDX=0000000000000000 RSI=0000000000000000 RDI=ffffffff814d2c90 RBP=dffffc0000000000 RSP=ffffffff85c07e00 R8 =0000000000000001 R9 =ffffed100d9c639a R10=ffff88806ce31cd3 R11=0000000000000001 R12=ffffffff8664f850 R13=1ffffffff0b80fc7 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 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe2400000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f1b2eeba000 CR3=000000000e4bf000 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=2031323a31333a333020393120766f4e XMM01=73732878696e755f6d6170203a5d3034 XMM02=65736f6c63206e6f6973736573203a29 XMM03=755f6d6170203a5d3034325b64687373 XMM04=69662068637573206f4e203a656c6163 XMM05=3a656c696620766e65206e65706f206f XMM06=65733a6468737328766e655f6d617020 XMM07=6b7a79732031323a31333a3330203931 XMM08=30343d7974696c696261706163202279 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=00000000e03ebebb RBX=ffff8880168dd340 RCX=00000000f5acb89f RDX=00000000b1c98386 RSI=ffff8880168ddde8 RDI=00000000c57798ad RBP=ffff8880168ddd98 RSP=ffff88806cf088c8 R8 =0000000000000002 R9 =0000000000000000 R10=0000000000000001 R11=0000000000000000 R12=ffff8880168ddde8 R13=b503ba001073dead R14=0000000000000000 R15=0000000000000002 RIP=ffffffff815275aa RFL=00000896 [-OS-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 00007fa6e7081900 00000000 00000000 GS =0000 ffff8880e548f000 00000000 00000000 LDT=0000 fffffe6a00000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007fa6e7060020 CR3=0000000018abc000 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