syzkaller login: [ 38.915387] ------------[ cut here ]------------ [ 38.916325] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 38.918320] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/234 [ 38.919775] Modules linked in: [ 38.920434] CPU: 1 UID: 104 PID: 234 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 38.922425] Tainted: [W]=WARN [ 38.922979] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 38.924450] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 38.925363] 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 [ 38.928607] RSP: 0018:ffff888015837bc0 EFLAGS: 00010286 [ 38.929603] RAX: 0000000000000000 RBX: ffffed1002b06f78 RCX: ffffffff813a4050 [ 38.930921] RDX: ffff88801a80d340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 38.932223] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002b06f2f [ 38.933532] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 38.934841] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888015837df8 [ 38.936151] FS: 00007fe4f6f84900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 38.937620] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 38.938707] CR2: 00007fe4f7476580 CR3: 000000001746a000 CR4: 0000000000350ef0 [ 38.940009] Call Trace: [ 38.940515] [ 38.940930] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 38.941837] ? __create_object+0x59/0x80 [ 38.942706] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 38.943716] __vmalloc_noprof+0x59/0x60 [ 38.944496] bpf_prog_alloc_no_stats+0x55/0x470 [ 38.945383] ? __pfx_seccomp_check_filter+0x10/0x10 [ 38.946342] bpf_prog_alloc+0x39/0x200 [ 38.947047] ? __pfx_seccomp_check_filter+0x10/0x10 [ 38.947984] bpf_prog_create_from_user+0xb2/0x2f0 [ 38.948895] do_seccomp+0x349/0x25e0 [ 38.949623] ? __pfx_css_rstat_updated+0x10/0x10 [ 38.950549] ? __pfx_do_seccomp+0x10/0x10 [ 38.951350] ? find_held_lock+0x2b/0x80 [ 38.952082] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 38.953061] ? static_key_count+0x60/0x80 [ 38.953892] prctl_set_seccomp+0x4e/0x70 [ 38.954679] __do_sys_prctl+0xe6c/0x1d70 [ 38.955475] ? __pfx___do_sys_prctl+0x10/0x10 [ 38.956351] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 38.957329] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 38.958321] ? irqentry_exit+0xf3/0x650 [ 38.959058] do_syscall_64+0xbf/0x430 [ 38.959803] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 38.960762] RIP: 0033:0x7fe4f74765cd [ 38.961459] 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 [ 38.964562] RSP: 002b:00007fffbed81910 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 38.965930] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fe4f74765cd [ 38.967217] RDX: 0000564752fa3e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 38.968511] RBP: 00007fffbed81970 R08: 0000000000000000 R09: 00007fffbed81010 [ 38.969796] R10: 0000000000000000 R11: 0000000000000246 R12: 0000564779f99ad0 [ 38.971086] R13: 00007fffbed81da0 R14: 0000564779f9abc0 R15: 0000564779fab780 [ 38.972420] [ 38.972842] irq event stamp: 1789 [ 38.973490] hardirqs last enabled at (1799): [] __up_console_sem+0x78/0x80 [ 38.975025] hardirqs last disabled at (1808): [] __up_console_sem+0x5d/0x80 [ 38.976536] softirqs last enabled at (1756): [] handle_softirqs+0x50c/0x770 [ 38.978068] softirqs last disabled at (1751): [] __irq_exit_rcu+0xc4/0x100 [ 38.979604] ---[ end trace 0000000000000000 ]--- [ 42.618333] ------------[ cut here ]------------ [ 42.619295] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.621290] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/243 [ 42.622750] Modules linked in: [ 42.623391] CPU: 0 UID: 104 PID: 243 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 42.625358] Tainted: [W]=WARN [ 42.625904] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.627383] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.628303] 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 [ 42.631516] RSP: 0018:ffff888016c5fbc0 EFLAGS: 00010286 [ 42.632492] RAX: 0000000000000000 RBX: ffffed1002d8bf78 RCX: ffffffff813a4050 [ 42.633791] RDX: ffff88800a75d340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.635093] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002d8bf2f [ 42.636420] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.637701] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888016c5fdf8 [ 42.639022] FS: 00007fa3192d8900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 42.640463] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.641524] CR2: 00007ffecb24aef8 CR3: 000000000c261000 CR4: 0000000000350ef0 [ 42.642823] Call Trace: [ 42.643343] [ 42.643754] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.644696] ? __create_object+0x59/0x80 [ 42.645486] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.646485] __vmalloc_noprof+0x59/0x60 [ 42.647254] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.648084] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.649021] bpf_prog_alloc+0x39/0x200 [ 42.649766] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.650724] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.651631] do_seccomp+0x349/0x25e0 [ 42.652349] ? find_held_lock+0x2b/0x80 [ 42.653086] ? do_prlimit+0x310/0x610 [ 42.653841] ? __pfx_do_seccomp+0x10/0x10 [ 42.654648] ? do_raw_spin_unlock+0x53/0x220 [ 42.655585] ? _raw_spin_unlock+0x1e/0x40 [ 42.656370] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.657341] ? static_key_count+0x60/0x80 [ 42.658155] prctl_set_seccomp+0x4e/0x70 [ 42.658921] __do_sys_prctl+0xe6c/0x1d70 [ 42.659710] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.660570] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.661551] ? irqentry_exit+0xf3/0x650 [ 42.662347] do_syscall_64+0xbf/0x430 [ 42.663047] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.664009] RIP: 0033:0x7fa3197ca5cd [ 42.664718] 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 [ 42.667910] RSP: 002b:00007ffecb249110 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.669281] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fa3197ca5cd [ 42.670603] RDX: 000056307a884e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.671893] RBP: 00007ffecb249170 R08: 0000000000000000 R09: 00007ffecb248810 [ 42.673201] R10: 0000000000000000 R11: 0000000000000246 R12: 00005630acc61ad0 [ 42.674495] R13: 00007ffecb2495a0 R14: 00005630acc62bc0 R15: 00005630acc73780 [ 42.675796] [ 42.676276] irq event stamp: 1775 [ 42.676892] hardirqs last enabled at (1783): [] __up_console_sem+0x78/0x80 [ 42.678445] hardirqs last disabled at (1792): [] __up_console_sem+0x5d/0x80 [ 42.679970] softirqs last enabled at (1742): [] handle_softirqs+0x50c/0x770 [ 42.681512] softirqs last disabled at (1737): [] __irq_exit_rcu+0xc4/0x100 [ 42.683052] ---[ end trace 0000000000000000 ]--- [ 43.497011] ------------[ cut here ]------------ [ 43.497783] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 43.499455] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/250 [ 43.500654] Modules linked in: [ 43.501206] CPU: 1 UID: 104 PID: 250 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 43.502867] Tainted: [W]=WARN [ 43.503365] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 43.504577] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 43.505331] 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 [ 43.507966] RSP: 0018:ffff88801702fbc0 EFLAGS: 00010286 [ 43.508794] RAX: 0000000000000000 RBX: ffffed1002e05f78 RCX: ffffffff813a4050 [ 43.509856] RDX: ffff888016fe5340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 43.510938] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002e05f2f [ 43.512006] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 43.513060] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801702fdf8 [ 43.514140] FS: 00007fac1b2fa900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 43.515332] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 43.516209] CR2: 00007ffe5a719ef8 CR3: 000000000d33c000 CR4: 0000000000350ef0 [ 43.517270] Call Trace: [ 43.517655] [ 43.518004] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 43.518760] ? __create_object+0x59/0x80 [ 43.519411] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 43.520210] __vmalloc_noprof+0x59/0x60 [ 43.520815] bpf_prog_alloc_no_stats+0x55/0x470 [ 43.521553] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.522356] bpf_prog_alloc+0x39/0x200 [ 43.522932] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.523704] bpf_prog_create_from_user+0xb2/0x2f0 [ 43.524449] do_seccomp+0x349/0x25e0 [ 43.525004] ? find_held_lock+0x2b/0x80 [ 43.525645] ? do_prlimit+0x310/0x610 [ 43.526273] ? __pfx_do_seccomp+0x10/0x10 [ 43.526886] ? do_raw_spin_unlock+0x53/0x220 [ 43.527579] ? _raw_spin_unlock+0x1e/0x40 [ 43.528232] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 43.528993] ? static_key_count+0x60/0x80 [ 43.529638] prctl_set_seccomp+0x4e/0x70 [ 43.530275] __do_sys_prctl+0xe6c/0x1d70 [ 43.530865] ? __pfx___do_sys_prctl+0x10/0x10 [ 43.531561] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 43.532349] ? irqentry_exit+0xf3/0x650 [ 43.532938] do_syscall_64+0xbf/0x430 [ 43.533535] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 43.534307] RIP: 0033:0x7fac1b7ec5cd [ 43.534834] 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 [ 43.537363] RSP: 002b:00007ffe5a717bb0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 43.538459] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fac1b7ec5cd [ 43.539476] RDX: 0000558e63f76e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 43.540499] RBP: 00007ffe5a717c10 R08: 0000000000000000 R09: 00007ffe5a7172b0 [ 43.541535] R10: 0000000000000000 R11: 0000000000000246 R12: 0000558e8a4e6ad0 [ 43.542576] R13: 00007ffe5a718040 R14: 0000558e8a4e7bc0 R15: 0000558e8a4f8780 [ 43.543615] [ 43.543959] irq event stamp: 1715 [ 43.544482] hardirqs last enabled at (1725): [] __up_console_sem+0x78/0x80 [ 43.545705] hardirqs last disabled at (1734): [] __up_console_sem+0x5d/0x80 [ 43.546933] softirqs last enabled at (1252): [] handle_softirqs+0x50c/0x770 [ 43.548187] softirqs last disabled at (1753): [] __irq_exit_rcu+0xc4/0x100 [ 43.549406] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:52319' (ECDSA) to the list of known hosts. 2025/11/18 14:30:23 fuzzer started 2025/11/18 14:30:23 dialing manager at localhost:34383 2025/11/18 14:30:23 checking machine... 2025/11/18 14:30:23 checking revisions... [ 44.457741] kmemleak: Automatic memory scanning thread ended 2025/11/18 14:30:23 testing simple program... [ 44.554027] cgroup: Unknown subsys name 'net' [ 44.614484] cgroup: Unknown subsys name 'cpuset' [ 44.629686] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program VM DIAGNOSIS: 14:30:23 Registers: info registers vcpu 0 RAX=ffffffff87ce3608 RBX=ffff88800a758000 RCX=0000000000000200 RDX=0000000000000008 RSI=ffff88800a758a58 RDI=ffff88800a758a58 RBP=ffff88800a758a58 RSP=ffff8880176b73b8 R8 =0000000000000000 R9 =0000000000000000 R10=0000000000000001 R11=0000000000000001 R12=ffff88800a758a58 R13=ffffffffffffffff R14=0000000000000000 R15=0000000000000000 RIP=ffffffff81527574 RFL=00000007 [-----PC] 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 00007fa3192d8900 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe3d00000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007ffecb243000 CR3=000000001ee22000 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=00000000000236e3 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 fffffe1600000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007ffe1a1674c8 CR3=000000000a5ae000 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=696f1474bb0c28b1c7473955c85602e0 XMM02=0000000000306b38ec2efd57dc4c00df XMM03=000000000031060858055f63901be92a XMM04=b6b8cc7f36fe6e5000000000000ae988 XMM05=14648eaa1277bab100000000003200f0 XMM06=817b8945e9d50373000000000031ff78 XMM07=e042d86d42eb936e0000000000310888 XMM08=58055f63901be92a0000000000306b98 XMM09=00000000000000000000000000000000 XMM10=20200000000020202020202020200000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000