syzkaller login: [ 39.160851] ------------[ cut here ]------------ [ 39.161788] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 39.163790] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/233 [ 39.165244] Modules linked in: [ 39.165834] CPU: 1 UID: 104 PID: 233 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 39.167806] Tainted: [W]=WARN [ 39.168395] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 39.169841] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 39.170736] 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 [ 39.173906] RSP: 0018:ffff8880198e7bc0 EFLAGS: 00010286 [ 39.174869] RAX: 0000000000000000 RBX: ffffed100331cf78 RCX: ffffffff813a4050 [ 39.176196] RDX: ffff88801609d340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 39.177464] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed100331cf2f [ 39.178754] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 39.180055] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff8880198e7df8 [ 39.181366] FS: 00007fa66bd46900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 39.182835] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 39.183913] CR2: 00007fa66c238580 CR3: 000000000df02000 CR4: 0000000000350ef0 [ 39.185232] Call Trace: [ 39.185689] [ 39.186149] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 39.187056] ? __create_object+0x59/0x80 [ 39.187813] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.188779] __vmalloc_noprof+0x59/0x60 [ 39.189531] bpf_prog_alloc_no_stats+0x55/0x470 [ 39.190421] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.191363] bpf_prog_alloc+0x39/0x200 [ 39.192119] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.193056] bpf_prog_create_from_user+0xb2/0x2f0 [ 39.193904] do_seccomp+0x349/0x25e0 [ 39.194619] ? __pfx_css_rstat_updated+0x10/0x10 [ 39.195534] ? __pfx_do_seccomp+0x10/0x10 [ 39.196312] ? find_held_lock+0x2b/0x80 [ 39.197086] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 39.198043] ? static_key_count+0x60/0x80 [ 39.198791] prctl_set_seccomp+0x4e/0x70 [ 39.199567] __do_sys_prctl+0xe6c/0x1d70 [ 39.200359] ? __pfx___do_sys_prctl+0x10/0x10 [ 39.201209] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.202181] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 39.203171] ? irqentry_exit+0xf3/0x650 [ 39.203883] do_syscall_64+0xbf/0x430 [ 39.204624] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 39.205583] RIP: 0033:0x7fa66c2385cd [ 39.206283] 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 [ 39.209503] RSP: 002b:00007fff4254f010 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 39.210860] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fa66c2385cd [ 39.212144] RDX: 000056026d8b2e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 39.213432] RBP: 00007fff4254f070 R08: 0000000000000000 R09: 00007fff4254e710 [ 39.214726] R10: 0000000000000000 R11: 0000000000000246 R12: 000056027162bb10 [ 39.215992] R13: 00007fff4254f4a0 R14: 000056027162c2b0 R15: 00005602716406f0 [ 39.217292] [ 39.217712] irq event stamp: 1723 [ 39.218358] hardirqs last enabled at (1733): [] __up_console_sem+0x78/0x80 [ 39.219877] hardirqs last disabled at (1742): [] __up_console_sem+0x5d/0x80 [ 39.221403] softirqs last enabled at (1646): [] handle_softirqs+0x50c/0x770 [ 39.222954] softirqs last disabled at (1631): [] __irq_exit_rcu+0xc4/0x100 [ 39.224477] ---[ end trace 0000000000000000 ]--- [ 41.979093] ------------[ cut here ]------------ [ 41.980057] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 41.982072] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/242 [ 41.983558] Modules linked in: [ 41.984195] CPU: 1 UID: 104 PID: 242 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 41.986149] Tainted: [W]=WARN [ 41.986689] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 41.988194] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 41.989093] 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 [ 41.992201] RSP: 0018:ffff888016d6fbc0 EFLAGS: 00010286 [ 41.993160] RAX: 0000000000000000 RBX: ffffed1002dadf78 RCX: ffffffff813a4050 [ 41.994421] RDX: ffff8880161d0000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 41.995693] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002dadf2f [ 41.996965] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 41.998218] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888016d6fdf8 [ 41.999495] FS: 00007f8a75062900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 42.000902] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.001976] CR2: 00007f8a75554580 CR3: 000000000ca3c000 CR4: 0000000000350ef0 [ 42.003242] Call Trace: [ 42.003699] [ 42.004134] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.005008] ? __create_object+0x59/0x80 [ 42.005739] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.006696] __vmalloc_noprof+0x59/0x60 [ 42.007446] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.008301] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.009217] bpf_prog_alloc+0x39/0x200 [ 42.009898] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.010820] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.011734] do_seccomp+0x349/0x25e0 [ 42.012443] ? __pfx_css_rstat_updated+0x10/0x10 [ 42.013322] ? __pfx_do_seccomp+0x10/0x10 [ 42.014092] ? find_held_lock+0x2b/0x80 [ 42.014793] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.015753] ? static_key_count+0x60/0x80 [ 42.016543] prctl_set_seccomp+0x4e/0x70 [ 42.017308] __do_sys_prctl+0xe6c/0x1d70 [ 42.018083] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.018873] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.019828] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.020764] ? irqentry_exit+0xf3/0x650 [ 42.021516] do_syscall_64+0xbf/0x430 [ 42.022252] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.023198] RIP: 0033:0x7f8a755545cd [ 42.023855] 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 [ 42.026964] RSP: 002b:00007ffc9797d8c0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.028326] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f8a755545cd [ 42.029585] RDX: 000055b4ad91be00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.030838] RBP: 00007ffc9797d920 R08: 0000000000000000 R09: 00007ffc9797cfc0 [ 42.032111] R10: 0000000000000000 R11: 0000000000000246 R12: 000055b4eb8e22b0 [ 42.033381] R13: 00007ffc9797dd50 R14: 000055b4eb8e4d20 R15: 000055b4eb8f68d0 [ 42.034668] [ 42.035140] irq event stamp: 1793 [ 42.035749] hardirqs last enabled at (1801): [] __up_console_sem+0x78/0x80 [ 42.037073] hardirqs last disabled at (1810): [] __up_console_sem+0x5d/0x80 [ 42.038324] softirqs last enabled at (1770): [] handle_softirqs+0x50c/0x770 [ 42.039614] softirqs last disabled at (1765): [] __irq_exit_rcu+0xc4/0x100 [ 42.040859] ---[ end trace 0000000000000000 ]--- [ 42.734676] ------------[ cut here ]------------ [ 42.735605] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.737579] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/249 [ 42.738991] Modules linked in: [ 42.739577] CPU: 0 UID: 104 PID: 249 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 42.741745] Tainted: [W]=WARN [ 42.742434] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.743884] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.744779] 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 [ 42.747888] RSP: 0018:ffff88801c367bc0 EFLAGS: 00010286 [ 42.748843] RAX: 0000000000000000 RBX: ffffed100386cf78 RCX: ffffffff813a4050 [ 42.750117] RDX: ffff888014295340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.751384] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed100386cf2f [ 42.752633] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.753876] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801c367df8 [ 42.755174] FS: 00007efca628a900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 42.756573] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.757614] CR2: 00007ffda5fccef7 CR3: 000000001d4d1000 CR4: 0000000000350ef0 [ 42.758874] Call Trace: [ 42.759382] [ 42.759781] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.760662] ? __create_object+0x59/0x80 [ 42.761429] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.762407] __vmalloc_noprof+0x59/0x60 [ 42.763156] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.764012] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.764880] bpf_prog_alloc+0x39/0x200 [ 42.765592] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.766503] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.767392] do_seccomp+0x349/0x25e0 [ 42.768099] ? find_held_lock+0x2b/0x80 [ 42.768797] ? do_prlimit+0x310/0x610 [ 42.769518] ? __pfx_do_seccomp+0x10/0x10 [ 42.770293] ? do_raw_spin_unlock+0x53/0x220 [ 42.771126] ? _raw_spin_unlock+0x1e/0x40 [ 42.771855] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.772790] ? static_key_count+0x60/0x80 [ 42.773574] prctl_set_seccomp+0x4e/0x70 [ 42.774327] __do_sys_prctl+0xe6c/0x1d70 [ 42.775100] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.775890] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.776832] ? irqentry_exit+0xf3/0x650 [ 42.777570] do_syscall_64+0xbf/0x430 [ 42.778302] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.779242] RIP: 0033:0x7efca677c5cd [ 42.779889] 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 [ 42.782993] RSP: 002b:00007ffda5fcada0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.784333] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007efca677c5cd [ 42.785574] RDX: 000055de7095ae00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.786811] RBP: 00007ffda5fcae00 R08: 0000000000000000 R09: 00007ffda5fca4a0 [ 42.788098] R10: 0000000000000000 R11: 0000000000000246 R12: 000055de93299ad0 [ 42.789352] R13: 00007ffda5fcb230 R14: 000055de9329abc0 R15: 000055de932ab780 [ 42.790665] [ 42.791226] irq event stamp: 1889 [ 42.791865] hardirqs last enabled at (1897): [] __up_console_sem+0x78/0x80 [ 42.793536] hardirqs last disabled at (1906): [] __up_console_sem+0x5d/0x80 [ 42.795039] softirqs last enabled at (1866): [] handle_softirqs+0x50c/0x770 [ 42.796271] softirqs last disabled at (1861): [] __irq_exit_rcu+0xc4/0x100 [ 42.797341] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:54849' (ECDSA) to the list of known hosts. 2025/11/18 16:27:03 fuzzer started 2025/11/18 16:27:04 dialing manager at localhost:34383 2025/11/18 16:27:04 checking machine... 2025/11/18 16:27:04 checking revisions... [ 43.690357] kmemleak: Automatic memory scanning thread ended 2025/11/18 16:27:04 testing simple program... [ 43.784316] cgroup: Unknown subsys name 'net' [ 43.857862] cgroup: Unknown subsys name 'cpuset' [ 43.880033] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program VM DIAGNOSIS: 16:27:03 Registers: info registers vcpu 0 RAX=ffffffff86a0bbf9 RBX=0000000000000002 RCX=ffffffff86a0bbf4 RDX=dffffc0000000000 RSI=0000000000000000 RDI=1ffffffff0d4177f RBP=ffff88806ce08ac8 RSP=ffff88806ce08a00 R8 =ffffffff86a0bbf8 R9 =0000000000000000 R10=000000000003c9ed R11=00000000000089b8 R12=ffff88806ce08ad0 R13=ffff88806ce08ab8 R14=ffff88806ce08ab1 R15=ffff88806ce08a70 RIP=ffffffff8135e85e RFL=00000212 [----A--] 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 00007f8a75062900 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe5e00000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f8a7502c008 CR3=000000001f409000 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=ffff88800f18b480 RCX=0000000000000001 RDX=1ffff1100284f792 RSI=ffff888014351f80 RDI=ffff88806cf37340 RBP=ffff888009637b60 RSP=ffff888009637a30 R8 =ffff888009613c90 R9 =ffff88801427b780 R10=0000000000000000 R11=1ffff1100d9e7003 R12=ffff888009613780 R13=ffff88801427bc90 R14=ffff88806cf37340 R15=0000000000000001 RIP=ffffffff8147b6a0 RFL=00000046 [---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 fffffe2500000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f336c9bc020 CR3=000000000c9d3000 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=2033303a37323a363120383120766f4e XMM01=73732878696e755f6d6170203a5d3134 XMM02=65736f6c63206e6f6973736573203a29 XMM03=755f6d6170203a5d3134325b64687373 XMM04=69662068637573206f4e203a656c6163 XMM05=3a656c696620766e65206e65706f206f XMM06=65733a6468737328766e655f6d617020 XMM07=6b7a79732032303a37323a3631203831 XMM08=30343d7974696c696261706163202279 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000