syzkaller login: [ 45.945182] ------------[ cut here ]------------ [ 45.946097] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 45.948125] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/233 [ 45.949589] Modules linked in: [ 45.950177] CPU: 0 UID: 104 PID: 233 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 45.952192] Tainted: [W]=WARN [ 45.952785] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 45.954264] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 45.955468] 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 [ 45.958746] RSP: 0018:ffff88801a597bc0 EFLAGS: 00010286 [ 45.959750] RAX: 0000000000000000 RBX: ffffed10034b2f78 RCX: ffffffff813a4050 [ 45.961019] RDX: ffff8880157fd340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 45.962309] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed10034b2f2f [ 45.963616] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 45.964907] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801a597df8 [ 45.966208] FS: 00007fe48e5d6900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 45.967665] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 45.968761] CR2: 00007fe48eac8580 CR3: 000000000cccf000 CR4: 0000000000350ef0 [ 45.970054] Call Trace: [ 45.970573] [ 45.970991] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 45.971909] ? __create_object+0x59/0x80 [ 45.972712] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 45.973697] __vmalloc_noprof+0x59/0x60 [ 45.974467] bpf_prog_alloc_no_stats+0x55/0x470 [ 45.975295] ? __pfx_seccomp_check_filter+0x10/0x10 [ 45.976249] bpf_prog_alloc+0x39/0x200 [ 45.976988] ? __pfx_seccomp_check_filter+0x10/0x10 [ 45.977936] bpf_prog_create_from_user+0xb2/0x2f0 [ 45.978863] do_seccomp+0x349/0x25e0 [ 45.979605] ? __pfx_css_rstat_updated+0x10/0x10 [ 45.980529] ? __pfx_do_seccomp+0x10/0x10 [ 45.981286] ? find_held_lock+0x2b/0x80 [ 45.982055] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 45.983038] ? static_key_count+0x60/0x80 [ 45.983850] prctl_set_seccomp+0x4e/0x70 [ 45.984650] __do_sys_prctl+0xe6c/0x1d70 [ 45.985439] ? __pfx___do_sys_prctl+0x10/0x10 [ 45.986260] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 45.987257] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 45.988233] ? irqentry_exit+0xf3/0x650 [ 45.989016] do_syscall_64+0xbf/0x430 [ 45.989773] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 45.990747] RIP: 0033:0x7fe48eac85cd [ 45.991463] 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 [ 45.994675] RSP: 002b:00007ffe496d3b80 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 45.996054] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fe48eac85cd [ 45.997335] RDX: 000055feb924ae00 RSI: 0000000000000002 RDI: 0000000000000016 [ 45.998652] RBP: 00007ffe496d3be0 R08: 0000000000000000 R09: 00007ffe496d3280 [ 45.999955] R10: 0000000000000000 R11: 0000000000000246 R12: 000055fec463bbf0 [ 46.001273] R13: 00007ffe496d4010 R14: 000055fec4645380 R15: 000055fec4650460 [ 46.002590] [ 46.003022] irq event stamp: 1785 [ 46.003683] hardirqs last enabled at (1795): [] __up_console_sem+0x78/0x80 [ 46.005224] hardirqs last disabled at (1804): [] __up_console_sem+0x5d/0x80 [ 46.006782] softirqs last enabled at (1754): [] handle_softirqs+0x50c/0x770 [ 46.008347] softirqs last disabled at (1749): [] __irq_exit_rcu+0xc4/0x100 [ 46.009930] ---[ end trace 0000000000000000 ]--- [ 49.336170] ------------[ cut here ]------------ [ 49.337182] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 49.339541] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/242 [ 49.341121] Modules linked in: [ 49.341775] CPU: 0 UID: 104 PID: 242 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 49.343980] Tainted: [W]=WARN [ 49.344654] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 49.346413] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 49.347514] 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 [ 49.350944] RSP: 0018:ffff888015927bc0 EFLAGS: 00010286 [ 49.352018] RAX: 0000000000000000 RBX: ffffed1002b24f78 RCX: ffffffff813a4050 [ 49.353312] RDX: ffff8880157f8000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 49.354773] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002b24f2f [ 49.356100] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000400dc0 [ 49.357474] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888015927df8 [ 49.359030] FS: 00007fc375c27900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 49.360637] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 49.361695] CR2: 00007fff3f96aef7 CR3: 000000001f432000 CR4: 0000000000350ef0 [ 49.362992] Call Trace: [ 49.363498] [ 49.363908] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 49.364804] ? __create_object+0x59/0x80 [ 49.365579] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 49.366565] __vmalloc_noprof+0x59/0x60 [ 49.367275] bpf_prog_alloc_no_stats+0x55/0x470 [ 49.368145] ? __pfx_seccomp_check_filter+0x10/0x10 [ 49.369065] bpf_prog_alloc+0x39/0x200 [ 49.369792] ? __pfx_seccomp_check_filter+0x10/0x10 [ 49.370724] bpf_prog_create_from_user+0xb2/0x2f0 [ 49.371613] do_seccomp+0x349/0x25e0 [ 49.372278] ? find_held_lock+0x2b/0x80 [ 49.373031] ? do_prlimit+0x310/0x610 [ 49.373778] ? __pfx_do_seccomp+0x10/0x10 [ 49.374572] ? do_raw_spin_unlock+0x53/0x220 [ 49.375351] ? _raw_spin_unlock+0x1e/0x40 [ 49.376120] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 49.377083] ? static_key_count+0x60/0x80 [ 49.377887] prctl_set_seccomp+0x4e/0x70 [ 49.378675] __do_sys_prctl+0xe6c/0x1d70 [ 49.379451] ? __pfx___do_sys_prctl+0x10/0x10 [ 49.380254] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 49.381212] ? irqentry_exit+0xf3/0x650 [ 49.381964] do_syscall_64+0xbf/0x430 [ 49.382723] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 49.383656] RIP: 0033:0x7fc3761195cd [ 49.384302] 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 [ 49.387440] RSP: 002b:00007fff3f968c50 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 49.388776] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fc3761195cd [ 49.390035] RDX: 0000562aaa719e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 49.391519] RBP: 00007fff3f968cb0 R08: 0000000000000000 R09: 00007fff3f968350 [ 49.392935] R10: 0000000000000000 R11: 0000000000000246 R12: 0000562ab5526ad0 [ 49.394438] R13: 00007fff3f9690e0 R14: 0000562ab5527bc0 R15: 0000562ab5538780 [ 49.395807] [ 49.396238] irq event stamp: 1753 [ 49.396832] hardirqs last enabled at (1763): [] __up_console_sem+0x78/0x80 [ 49.398169] hardirqs last disabled at (1772): [] __up_console_sem+0x5d/0x80 [ 49.399544] softirqs last enabled at (1368): [] handle_softirqs+0x50c/0x770 [ 49.401002] softirqs last disabled at (1353): [] __irq_exit_rcu+0xc4/0x100 [ 49.402470] ---[ end trace 0000000000000000 ]--- [ 50.237425] ------------[ cut here ]------------ [ 50.238303] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 50.240405] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/249 [ 50.241849] Modules linked in: [ 50.242593] CPU: 0 UID: 104 PID: 249 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 50.244616] Tainted: [W]=WARN [ 50.245171] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 50.246663] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 50.247580] 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 [ 50.250771] RSP: 0018:ffff88801a50fbc0 EFLAGS: 00010286 [ 50.251765] RAX: 0000000000000000 RBX: ffffed10034a1f78 RCX: ffffffff813a4050 [ 50.253061] RDX: ffff888015415340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 50.254359] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed10034a1f2f [ 50.255653] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 50.256922] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801a50fdf8 [ 50.258206] FS: 00007f0447140900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 50.259681] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.260758] CR2: 00007fff19b27ef7 CR3: 000000000bb47000 CR4: 0000000000350ef0 [ 50.262041] Call Trace: [ 50.262560] [ 50.262967] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 50.263873] ? _raw_spin_unlock_irqrestore+0x2c/0x50 [ 50.264831] ? _raw_spin_unlock_irqrestore+0x34/0x50 [ 50.265773] __vmalloc_noprof+0x59/0x60 [ 50.266545] bpf_prog_alloc_no_stats+0x55/0x470 [ 50.267424] ? __pfx_seccomp_check_filter+0x10/0x10 [ 50.268312] bpf_prog_alloc+0x39/0x200 [ 50.269055] ? __pfx_seccomp_check_filter+0x10/0x10 [ 50.270005] bpf_prog_create_from_user+0xb2/0x2f0 [ 50.270931] do_seccomp+0x349/0x25e0 [ 50.271661] ? find_held_lock+0x2b/0x80 [ 50.272426] ? do_prlimit+0x310/0x610 [ 50.273144] ? __pfx_do_seccomp+0x10/0x10 [ 50.273942] ? do_raw_spin_unlock+0x53/0x220 [ 50.274799] ? _raw_spin_unlock+0x1e/0x40 [ 50.275590] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 50.276553] ? static_key_count+0x60/0x80 [ 50.277309] prctl_set_seccomp+0x4e/0x70 [ 50.278102] __do_sys_prctl+0xe6c/0x1d70 [ 50.278890] ? __pfx___do_sys_prctl+0x10/0x10 [ 50.279771] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 50.280733] ? irqentry_exit+0xf3/0x650 [ 50.281512] do_syscall_64+0xbf/0x430 [ 50.282203] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 50.283174] RIP: 0033:0x7f04476325cd [ 50.283895] 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 [ 50.287087] RSP: 002b:00007fff19b25740 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 50.288471] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f04476325cd [ 50.289753] RDX: 000055dfa6eebe00 RSI: 0000000000000002 RDI: 0000000000000016 [ 50.291049] RBP: 00007fff19b257a0 R08: 0000000000000000 R09: 00007fff19b24e40 [ 50.292350] R10: 0000000000000000 R11: 0000000000000246 R12: 000055dfb9bbfad0 [ 50.293674] R13: 00007fff19b25bd0 R14: 000055dfb9bc0bc0 R15: 000055dfb9bd1780 [ 50.294984] [ 50.295439] irq event stamp: 1775 [ 50.296054] hardirqs last enabled at (1783): [] __up_console_sem+0x78/0x80 [ 50.297602] hardirqs last disabled at (1792): [] __up_console_sem+0x5d/0x80 [ 50.299150] softirqs last enabled at (1740): [] handle_softirqs+0x50c/0x770 [ 50.300709] softirqs last disabled at (1735): [] __irq_exit_rcu+0xc4/0x100 [ 50.302232] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:28326' (ECDSA) to the list of known hosts. 2025/11/17 13:03:33 fuzzer started 2025/11/17 13:03:34 dialing manager at localhost:37895 2025/11/17 13:03:34 checking machine... 2025/11/17 13:03:34 checking revisions... [ 51.253247] kmemleak: Automatic memory scanning thread ended 2025/11/17 13:03:34 testing simple program... [ 51.353553] cgroup: Unknown subsys name 'net' [ 51.409018] cgroup: Unknown subsys name 'cpuset' [ 51.431930] cgroup: Unknown subsys name 'rlimit' executing program executing program VM DIAGNOSIS: 13:03:33 Registers: info registers vcpu 0 RAX=ffff88806ce08e01 RBX=ffff88806ce08e80 RCX=0000000000000002 RDX=ffff88806ce09001 RSI=ffff88806ce08e70 RDI=ffff88806ce08a80 RBP=ffff88806ce01000 RSP=ffff88806ce08a00 R8 =0000000000000001 R9 =ffff88806ce08ab0 R10=000000000003c9ed R11=00000000000291bd R12=ffff88806ce08a01 R13=ffff88806ce08ab8 R14=ffff88806ce08e70 R15=ffff88806ce08a70 RIP=ffffffff8135fbf1 RFL=00000202 [-------] 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 00007fc375c27900 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe2c00000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007fff3f962000 CR3=000000000b87e000 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=0000000000029a27 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=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 ffff8880e548f000 00000000 00000000 LDT=0000 fffffe2800000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f7676aa5070 CR3=000000000b9a2000 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=2033333a33303a333120373120766f4e XMM01=73732878696e755f6d6170203a5d3134 XMM02=65736f6c63206e6f6973736573203a29 XMM03=755f6d6170203a5d3134325b64687373 XMM04=69662068637573206f4e203a656c6163 XMM05=3a656c696620766e65206e65706f206f XMM06=65733a6468737328766e655f6d617020 XMM07=6b7a79732032333a33303a3331203731 XMM08=30343d7974696c696261706163202279 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000