syzkaller login: [ 39.423898] ------------[ cut here ]------------ [ 39.424862] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 39.426868] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/232 [ 39.428296] Modules linked in: [ 39.428917] CPU: 1 UID: 104 PID: 232 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 39.430877] Tainted: [W]=WARN [ 39.431413] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 39.432869] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 39.433769] 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 [ 39.436906] RSP: 0018:ffff88801bf4fbc0 EFLAGS: 00010286 [ 39.437878] RAX: 0000000000000000 RBX: ffffed10037e9f78 RCX: ffffffff813a4050 [ 39.439158] RDX: ffff888016f03780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 39.440417] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed10037e9f2f [ 39.441691] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 39.442966] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801bf4fdf8 [ 39.444225] FS: 00007f5c1e562900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 39.445633] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 39.446676] CR2: 00007f5c1ea54580 CR3: 000000000e14a000 CR4: 0000000000350ef0 [ 39.447964] Call Trace: [ 39.448419] [ 39.448872] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 39.449739] ? __create_object+0x59/0x80 [ 39.450520] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.451435] __vmalloc_noprof+0x59/0x60 [ 39.452189] bpf_prog_alloc_no_stats+0x55/0x470 [ 39.453055] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.453979] bpf_prog_alloc+0x39/0x200 [ 39.454721] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.455673] bpf_prog_create_from_user+0xb2/0x2f0 [ 39.456576] do_seccomp+0x349/0x25e0 [ 39.457241] ? __pfx_css_rstat_updated+0x10/0x10 [ 39.458138] ? __pfx_do_seccomp+0x10/0x10 [ 39.458921] ? find_held_lock+0x2b/0x80 [ 39.459669] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 39.460610] ? static_key_count+0x60/0x80 [ 39.461342] prctl_set_seccomp+0x4e/0x70 [ 39.462122] __do_sys_prctl+0xe6c/0x1d70 [ 39.462898] ? __pfx___do_sys_prctl+0x10/0x10 [ 39.463748] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.464696] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 39.465659] ? irqentry_exit+0xf3/0x650 [ 39.466390] do_syscall_64+0xbf/0x430 [ 39.467130] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 39.468065] RIP: 0033:0x7f5c1ea545cd [ 39.468761] 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 [ 39.471886] RSP: 002b:00007ffdb0166b50 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 39.473221] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f5c1ea545cd [ 39.474503] RDX: 00005574a6f73e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 39.475756] RBP: 00007ffdb0166bb0 R08: 0000000000000000 R09: 00007ffdb0166250 [ 39.477020] R10: 0000000000000000 R11: 0000000000000246 R12: 00005574d05c8ad0 [ 39.478282] R13: 00007ffdb0166fe0 R14: 00005574d05c9bc0 R15: 00005574d05da780 [ 39.479565] [ 39.479982] irq event stamp: 1757 [ 39.480611] hardirqs last enabled at (1767): [] __up_console_sem+0x78/0x80 [ 39.482130] hardirqs last disabled at (1776): [] __up_console_sem+0x5d/0x80 [ 39.483628] softirqs last enabled at (1736): [] handle_softirqs+0x50c/0x770 [ 39.485133] softirqs last disabled at (1731): [] __irq_exit_rcu+0xc4/0x100 [ 39.486643] ---[ end trace 0000000000000000 ]--- [ 43.012719] ------------[ cut here ]------------ [ 43.013485] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 43.015671] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/242 [ 43.016873] Modules linked in: [ 43.017360] CPU: 1 UID: 104 PID: 242 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 43.019001] Tainted: [W]=WARN [ 43.019493] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 43.020692] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 43.021410] 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 [ 43.024055] RSP: 0018:ffff8880168efbc0 EFLAGS: 00010286 [ 43.024858] RAX: 0000000000000000 RBX: ffffed1002d1df78 RCX: ffffffff813a4050 [ 43.025909] RDX: ffff8880198b1bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 43.026981] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002d1df2f [ 43.028031] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 43.029087] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff8880168efdf8 [ 43.030164] FS: 00007fe0774d2900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 43.031355] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 43.032220] CR2: 00007fe0779c4580 CR3: 000000000e85b000 CR4: 0000000000350ef0 [ 43.033265] Call Trace: [ 43.033682] [ 43.034023] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 43.034769] ? __create_object+0x59/0x80 [ 43.035381] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 43.036179] __vmalloc_noprof+0x59/0x60 [ 43.036805] bpf_prog_alloc_no_stats+0x55/0x470 [ 43.037524] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.038267] bpf_prog_alloc+0x39/0x200 [ 43.038871] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.039640] bpf_prog_create_from_user+0xb2/0x2f0 [ 43.040350] do_seccomp+0x349/0x25e0 [ 43.040941] ? __pfx_css_rstat_updated+0x10/0x10 [ 43.041679] ? __pfx_do_seccomp+0x10/0x10 [ 43.042306] ? find_held_lock+0x2b/0x80 [ 43.042932] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 43.043739] ? static_key_count+0x60/0x80 [ 43.044361] prctl_set_seccomp+0x4e/0x70 [ 43.044997] __do_sys_prctl+0xe6c/0x1d70 [ 43.045642] ? __pfx___do_sys_prctl+0x10/0x10 [ 43.046328] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 43.047129] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 43.047925] ? irqentry_exit+0xf3/0x650 [ 43.048552] do_syscall_64+0xbf/0x430 [ 43.049125] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 43.049904] RIP: 0033:0x7fe0779c45cd [ 43.050495] 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 [ 43.053098] RSP: 002b:00007ffcc8f38660 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 43.054407] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fe0779c45cd [ 43.055468] RDX: 000056064d7e0e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 43.056508] RBP: 00007ffcc8f386c0 R08: 0000000000000000 R09: 00007ffcc8f37d60 [ 43.057562] R10: 0000000000000000 R11: 0000000000000246 R12: 000056065cf02ad0 [ 43.058672] R13: 00007ffcc8f38af0 R14: 000056065cf03bc0 R15: 000056065cf14780 [ 43.059775] [ 43.060125] irq event stamp: 1733 [ 43.060656] hardirqs last enabled at (1743): [] __up_console_sem+0x78/0x80 [ 43.061915] hardirqs last disabled at (1752): [] __up_console_sem+0x5d/0x80 [ 43.063174] softirqs last enabled at (1672): [] handle_softirqs+0x50c/0x770 [ 43.064460] softirqs last disabled at (1635): [] __irq_exit_rcu+0xc4/0x100 [ 43.065704] ---[ end trace 0000000000000000 ]--- [ 43.899403] ------------[ cut here ]------------ [ 43.900312] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 43.902317] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/250 [ 43.903764] Modules linked in: [ 43.904354] CPU: 0 UID: 104 PID: 250 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 43.906589] Tainted: [W]=WARN [ 43.907139] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 43.908642] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 43.909540] 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 [ 43.912697] RSP: 0018:ffff8880171e7bc0 EFLAGS: 00010286 [ 43.913663] RAX: 0000000000000000 RBX: ffffed1002e3cf78 RCX: ffffffff813a4050 [ 43.914932] RDX: ffff8880198b0000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 43.916181] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002e3cf2f [ 43.917426] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 43.918711] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff8880171e7df8 [ 43.919987] FS: 00007f80cd9f6900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 43.921418] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 43.922508] CR2: 00007f80cdee8580 CR3: 000000000e3d3000 CR4: 0000000000350ef0 [ 43.923778] Call Trace: [ 43.924235] [ 43.924677] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 43.925568] ? __create_object+0x59/0x80 [ 43.926306] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 43.927268] __vmalloc_noprof+0x59/0x60 [ 43.928008] bpf_prog_alloc_no_stats+0x55/0x470 [ 43.928861] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.929777] bpf_prog_alloc+0x39/0x200 [ 43.930511] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.931381] bpf_prog_create_from_user+0xb2/0x2f0 [ 43.932276] do_seccomp+0x349/0x25e0 [ 43.933000] ? __pfx_css_rstat_updated+0x10/0x10 [ 43.933914] ? __pfx_do_seccomp+0x10/0x10 [ 43.934708] ? find_held_lock+0x2b/0x80 [ 43.935412] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 43.936374] ? static_key_count+0x60/0x80 [ 43.937176] prctl_set_seccomp+0x4e/0x70 [ 43.937928] __do_sys_prctl+0xe6c/0x1d70 [ 43.938718] ? __pfx___do_sys_prctl+0x10/0x10 [ 43.939568] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 43.940533] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 43.941491] ? irqentry_exit+0xf3/0x650 [ 43.942218] do_syscall_64+0xbf/0x430 [ 43.942954] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 43.943899] RIP: 0033:0x7f80cdee85cd [ 43.944599] 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 [ 43.947743] RSP: 002b:00007ffe1c1624b0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 43.949099] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f80cdee85cd [ 43.950372] RDX: 0000555dadbbee00 RSI: 0000000000000002 RDI: 0000000000000016 [ 43.951645] RBP: 00007ffe1c162510 R08: 0000000000000000 R09: 00007ffe1c161bb0 [ 43.952905] R10: 0000000000000000 R11: 0000000000000246 R12: 0000555de58d7bf0 [ 43.954184] R13: 00007ffe1c162940 R14: 0000555de58e1380 R15: 0000555de58ec460 [ 43.955476] [ 43.955893] irq event stamp: 1781 [ 43.956543] hardirqs last enabled at (1791): [] __up_console_sem+0x78/0x80 [ 43.958117] hardirqs last disabled at (1800): [] __up_console_sem+0x5d/0x80 [ 43.959628] softirqs last enabled at (1824): [] handle_softirqs+0x50c/0x770 [ 43.961171] softirqs last disabled at (1809): [] __irq_exit_rcu+0xc4/0x100 [ 43.962690] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:52995' (ECDSA) to the list of known hosts. 2025/11/17 19:44:10 fuzzer started 2025/11/17 19:44:11 dialing manager at localhost:37895 2025/11/17 19:44:11 checking machine... 2025/11/17 19:44:11 checking revisions... [ 44.843164] kmemleak: Automatic memory scanning thread ended 2025/11/17 19:44:11 testing simple program... [ 44.925377] cgroup: Unknown subsys name 'net' [ 44.983301] cgroup: Unknown subsys name 'cpuset' [ 45.002269] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program VM DIAGNOSIS: 19:44:10 Registers: info registers vcpu 0 RAX=0000000000000000 RBX=ffff88800e5b96f0 RCX=ffffffff8152da53 RDX=0000000000000000 RSI=0000000000000004 RDI=ffff88800e5b96f0 RBP=ffff88800e5b96f8 RSP=ffff88806ce08db8 R8 =0000000000000000 R9 =ffffed1001cb72de R10=ffff88800e5b96f3 R11=0000000000000001 R12=ffff88800e5b9700 R13=0000000000000000 R14=ffff888017954000 R15=ffff888009462280 RIP=ffffffff8152db62 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 00007fe0774d2900 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe5000000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007fe077a89618 CR3=000000000e60d000 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=2030313a34343a393120373120766f4e XMM01=657463656e6e6f63736944203a5d3134 XMM02=302e303120746f6f722072657375206d XMM03=203a5d3134325b646873732072656c6c XMM04=69662068637573206f4e203a656c6163 XMM05=3a656c696620766e65206e65706f206f XMM06=65733a6468737328766e655f6d617020 XMM07=6b7a79732039303a34343a3931203731 XMM08=30343d7974696c696261706163202279 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=0000000080000000 RBX=0000000000001000 RCX=ffffffff8229bb1e RDX=0000000000000000 RSI=0000000000000000 RDI=0000000000000005 RBP=ffff8880159f4e00 RSP=ffff88801699fce8 R8 =0000000000000000 R9 =ffffed1002b3e9ec R10=0000000000000000 R11=0000000000000000 R12=0000000000000000 R13=0000000000000004 R14=ffff88801699feb8 R15=0000000000000001 RIP=ffffffff817515ca 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 00007fe0774d2900 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=00007ffcc8f32000 CR3=000000000e60d000 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=2c2c2c2c2c2c2c2c2c2c2c2c2c2c2c2c XMM01=00ff00000000000000000000000000ff XMM02=00ff00000000000000000000000000ff XMM03=655f6d61702c7374696d696c5f6d6170 XMM04=3d6c616e696d72657420322e322e302e XMM05=3d656d616e74736f682022646873732f XMM06=746f6f72223d746363612078756e696c XMM07=6e655f6d61702c7374696d696c5f6d61 XMM08=6500273d2720676e6974636570786500 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000