syzkaller login: [ 46.003770] ------------[ cut here ]------------ [ 46.004695] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 46.006672] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/234 [ 46.008117] Modules linked in: [ 46.008725] CPU: 0 UID: 104 PID: 234 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 46.010684] Tainted: [W]=WARN [ 46.011270] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 46.012994] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 46.013970] 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 [ 46.017150] RSP: 0018:ffff888015c5fbc0 EFLAGS: 00010286 [ 46.018120] RAX: 0000000000000000 RBX: ffffed1002b8bf78 RCX: ffffffff813a4050 [ 46.019381] RDX: ffff88800f16d340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 46.020655] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002b8bf2f [ 46.021915] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 46.023181] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888015c5fdf8 [ 46.024473] FS: 00007f20c6689900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 46.025890] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 46.026926] CR2: 00007fff1f965ef7 CR3: 000000000d9d5000 CR4: 0000000000350ef0 [ 46.028198] Call Trace: [ 46.028673] [ 46.029121] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 46.029991] ? __create_object+0x59/0x80 [ 46.030714] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 46.031661] __vmalloc_noprof+0x59/0x60 [ 46.032414] bpf_prog_alloc_no_stats+0x55/0x470 [ 46.033308] ? __pfx_seccomp_check_filter+0x10/0x10 [ 46.034225] bpf_prog_alloc+0x39/0x200 [ 46.034935] ? __pfx_seccomp_check_filter+0x10/0x10 [ 46.035804] bpf_prog_create_from_user+0xb2/0x2f0 [ 46.036711] do_seccomp+0x349/0x25e0 [ 46.037410] ? find_held_lock+0x2b/0x80 [ 46.038149] ? do_prlimit+0x310/0x610 [ 46.038833] ? __pfx_do_seccomp+0x10/0x10 [ 46.039609] ? do_raw_spin_unlock+0x53/0x220 [ 46.040461] ? _raw_spin_unlock+0x1e/0x40 [ 46.041238] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 46.042172] ? static_key_count+0x60/0x80 [ 46.042955] prctl_set_seccomp+0x4e/0x70 [ 46.043679] __do_sys_prctl+0xe6c/0x1d70 [ 46.044463] ? __pfx___do_sys_prctl+0x10/0x10 [ 46.045317] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 46.046256] ? irqentry_exit+0xf3/0x650 [ 46.047001] do_syscall_64+0xbf/0x430 [ 46.047682] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 46.048650] RIP: 0033:0x7f20c6b7b5cd [ 46.049344] 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 [ 46.052495] RSP: 002b:00007fff1f964cc0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 46.053873] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f20c6b7b5cd [ 46.055166] RDX: 000055af8d4a4e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 46.056487] RBP: 00007fff1f964d20 R08: 0000000000000000 R09: 00007fff1f9643c0 [ 46.057771] R10: 0000000000000000 R11: 0000000000000246 R12: 000055af99a2aad0 [ 46.059055] R13: 00007fff1f965150 R14: 000055af99a2bbc0 R15: 000055af99a3c780 [ 46.060361] [ 46.060805] irq event stamp: 1833 [ 46.061469] hardirqs last enabled at (1849): [] __up_console_sem+0x78/0x80 [ 46.063018] hardirqs last disabled at (1858): [] __up_console_sem+0x5d/0x80 [ 46.064577] softirqs last enabled at (1846): [] handle_softirqs+0x50c/0x770 [ 46.066129] softirqs last disabled at (1841): [] __irq_exit_rcu+0xc4/0x100 [ 46.067655] ---[ end trace 0000000000000000 ]--- [ 49.276170] ------------[ cut here ]------------ [ 49.277100] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 49.279128] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/242 [ 49.280596] Modules linked in: [ 49.281217] CPU: 1 UID: 104 PID: 242 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 49.283201] Tainted: [W]=WARN [ 49.283762] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 49.285515] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 49.286511] 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 [ 49.289717] RSP: 0018:ffff88801a1f7bc0 EFLAGS: 00010286 [ 49.290709] RAX: 0000000000000000 RBX: ffffed100343ef78 RCX: ffffffff813a4050 [ 49.291994] RDX: ffff88801a29b780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 49.293284] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed100343ef2f [ 49.294573] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 49.295876] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801a1f7df8 [ 49.297188] FS: 00007f7c5ac91900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 49.298642] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 49.299704] CR2: 00007f7c5b183580 CR3: 000000002011b000 CR4: 0000000000350ef0 [ 49.301003] Call Trace: [ 49.301468] [ 49.301919] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 49.302764] ? __create_object+0x59/0x80 [ 49.303545] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 49.304554] __vmalloc_noprof+0x59/0x60 [ 49.305300] bpf_prog_alloc_no_stats+0x55/0x470 [ 49.306182] ? __pfx_seccomp_check_filter+0x10/0x10 [ 49.307117] bpf_prog_alloc+0x39/0x200 [ 49.307819] ? __pfx_seccomp_check_filter+0x10/0x10 [ 49.308755] bpf_prog_create_from_user+0xb2/0x2f0 [ 49.309648] do_seccomp+0x349/0x25e0 [ 49.310367] ? __pfx_css_rstat_updated+0x10/0x10 [ 49.311289] ? __pfx_do_seccomp+0x10/0x10 [ 49.312090] ? find_held_lock+0x2b/0x80 [ 49.312817] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 49.313768] ? static_key_count+0x60/0x80 [ 49.314565] prctl_set_seccomp+0x4e/0x70 [ 49.315324] __do_sys_prctl+0xe6c/0x1d70 [ 49.316110] ? __pfx___do_sys_prctl+0x10/0x10 [ 49.316999] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 49.317970] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 49.318944] ? irqentry_exit+0xf3/0x650 [ 49.319669] do_syscall_64+0xbf/0x430 [ 49.320415] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 49.321386] RIP: 0033:0x7f7c5b1835cd [ 49.322110] 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 [ 49.325310] RSP: 002b:00007ffde86f8230 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 49.326670] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f7c5b1835cd [ 49.327977] RDX: 0000561756b34e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 49.329291] RBP: 00007ffde86f8290 R08: 0000000000000000 R09: 00007ffde86f7930 [ 49.330578] R10: 0000000000000000 R11: 0000000000000246 R12: 0000561759778ad0 [ 49.331888] R13: 00007ffde86f86c0 R14: 0000561759779bc0 R15: 000056175978a780 [ 49.333223] [ 49.333646] irq event stamp: 1789 [ 49.334295] hardirqs last enabled at (1799): [] __up_console_sem+0x78/0x80 [ 49.335839] hardirqs last disabled at (1808): [] __up_console_sem+0x5d/0x80 [ 49.337393] softirqs last enabled at (1344): [] handle_softirqs+0x50c/0x770 [ 49.338790] softirqs last disabled at (1323): [] __irq_exit_rcu+0xc4/0x100 [ 49.340160] ---[ end trace 0000000000000000 ]--- [ 49.965141] ------------[ cut here ]------------ [ 49.966091] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 49.968088] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/249 [ 49.969556] Modules linked in: [ 49.970223] CPU: 0 UID: 104 PID: 249 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 49.972174] Tainted: [W]=WARN [ 49.972731] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 49.974170] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 49.975059] 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 [ 49.978187] RSP: 0018:ffff888009b1fbc0 EFLAGS: 00010286 [ 49.979159] RAX: 0000000000000000 RBX: ffffed1001363f78 RCX: ffffffff813a4050 [ 49.980415] RDX: ffff888016fd8000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 49.981691] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1001363f2f [ 49.982948] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 49.984215] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888009b1fdf8 [ 49.985522] FS: 00007f678b0aa900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 49.986938] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 49.987990] CR2: 00007ffd3dba9ef7 CR3: 000000000d894000 CR4: 0000000000350ef0 [ 49.989265] Call Trace: [ 49.989719] [ 49.990158] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 49.991037] ? __create_object+0x59/0x80 [ 49.991775] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 49.992738] __vmalloc_noprof+0x59/0x60 [ 49.993477] bpf_prog_alloc_no_stats+0x55/0x470 [ 49.994327] ? __pfx_seccomp_check_filter+0x10/0x10 [ 49.995245] bpf_prog_alloc+0x39/0x200 [ 49.995970] ? __pfx_seccomp_check_filter+0x10/0x10 [ 49.996925] bpf_prog_create_from_user+0xb2/0x2f0 [ 49.997788] do_seccomp+0x349/0x25e0 [ 49.998499] ? find_held_lock+0x2b/0x80 [ 49.999235] ? do_prlimit+0x310/0x610 [ 49.999966] ? __pfx_do_seccomp+0x10/0x10 [ 50.000732] ? do_raw_spin_unlock+0x53/0x220 [ 50.001553] ? _raw_spin_unlock+0x1e/0x40 [ 50.002315] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 50.003269] ? static_key_count+0x60/0x80 [ 50.004067] prctl_set_seccomp+0x4e/0x70 [ 50.004810] __do_sys_prctl+0xe6c/0x1d70 [ 50.005594] ? __pfx___do_sys_prctl+0x10/0x10 [ 50.006445] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 50.007417] ? irqentry_exit+0xf3/0x650 [ 50.008174] do_syscall_64+0xbf/0x430 [ 50.008933] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 50.009840] RIP: 0033:0x7f678b59c5cd [ 50.010550] 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 [ 50.013741] RSP: 002b:00007ffd3dba7930 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 50.015115] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f678b59c5cd [ 50.016382] RDX: 0000556201a56e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 50.017688] RBP: 00007ffd3dba7990 R08: 0000000000000000 R09: 00007ffd3dba7030 [ 50.018962] R10: 0000000000000000 R11: 0000000000000246 R12: 0000556228d78ad0 [ 50.020240] R13: 00007ffd3dba7dc0 R14: 0000556228d79bc0 R15: 0000556228d8a780 [ 50.021231] [ 50.021501] irq event stamp: 1759 [ 50.021903] hardirqs last enabled at (1769): [] __up_console_sem+0x78/0x80 [ 50.022840] hardirqs last disabled at (1776): [] __up_console_sem+0x5d/0x80 [ 50.023796] softirqs last enabled at (1596): [] handle_softirqs+0x50c/0x770 [ 50.024751] softirqs last disabled at (1591): [] __irq_exit_rcu+0xc4/0x100 [ 50.025452] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:29341' (ECDSA) to the list of known hosts. 2025/11/19 02:11:52 fuzzer started 2025/11/19 02:11:52 dialing manager at localhost:34383 2025/11/19 02:11:52 checking machine... 2025/11/19 02:11:52 checking revisions... [ 50.872616] kmemleak: Automatic memory scanning thread ended 2025/11/19 02:11:53 testing simple program... [ 50.961927] cgroup: Unknown subsys name 'net' [ 51.013392] cgroup: Unknown subsys name 'cpuset' [ 51.026458] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program VM DIAGNOSIS: 02:11:52 Registers: info registers vcpu 0 RAX=0000000000000000 RBX=0000000000000001 RCX=1ffff110012c4f13 RDX=dffffc0000000000 RSI=000000008301a466 RDI=ffff88806ce31cd0 RBP=ffff888009627898 RSP=ffff888009627780 R8 =0000000000000001 R9 =0000000000000000 R10=0000000000000001 R11=0000000000000001 R12=ffff8880096278a0 R13=ffff888009627888 R14=ffff888009627881 R15=ffff888009627840 RIP=ffffffff8135e574 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 0000000000000000 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe2f00000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007ffde86f2000 CR3=00000000200d0000 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=74696d7265705f6d61703d73726f746e XMM02=000000000000000000000000000000ff XMM03=5320444f4854454d5f54505952434e45 XMM04=40404040404040404040404040404040 XMM05=5a5a5a5a5a5a5a5a5a5a5a5a5a5a5a5a XMM06=20202020202020202020202020202020 XMM07=00000000000000000000000000000000 XMM08=61662029286e65706f5f746964756100 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=000000000002bb49 RBX=0000000000000001 RCX=ffffffff84c72d57 RDX=0000000000000000 RSI=0000000000000000 RDI=ffffffff814d2c90 RBP=dffffc0000000000 RSP=ffff8880096efe58 R8 =0000000000000001 R9 =ffffed100d9e639a R10=ffff88806cf31cd3 R11=0000000000000001 R12=ffffffff8664f850 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 fffffe2300000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007ffcadfa3448 CR3=0000000005c8a000 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=00007f9f60453510000055dba3a35790 XMM02=6f6974707972636e6561737268746977 XMM03=00000000000000000000000000777074 XMM04=40404040404040404040404040404040 XMM05=5a5a5a5a5a5a5a5a5a5a5a5a5a5a5a5a XMM06=20202020202020202020202020202020 XMM07=ffffffffffff00ffffff00ffffff00ff XMM08=00002000000000202020002020200000 XMM09=ffffffffffff00ffffff00ffffff00ff XMM10=00002000000000202020002020200000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000