syzkaller login: [ 38.988189] ------------[ cut here ]------------ [ 38.989083] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 38.991110] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/232 [ 38.992530] Modules linked in: [ 38.993188] CPU: 0 UID: 104 PID: 232 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 38.995192] Tainted: [W]=WARN [ 38.995738] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 38.997215] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 38.998119] 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 [ 39.001316] RSP: 0018:ffff888016077bc0 EFLAGS: 00010286 [ 39.002283] RAX: 0000000000000000 RBX: ffffed1002c0ef78 RCX: ffffffff813a4050 [ 39.003596] RDX: ffff888015995340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 39.004879] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002c0ef2f [ 39.006183] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 39.007464] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888016077df8 [ 39.008761] FS: 00007fb38fd97900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 39.010230] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 39.011322] CR2: 00007ffc51b1aef8 CR3: 000000000df12000 CR4: 0000000000350ef0 [ 39.012599] Call Trace: [ 39.013107] [ 39.013522] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 39.014425] ? __create_object+0x59/0x80 [ 39.015206] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.016168] __vmalloc_noprof+0x59/0x60 [ 39.016935] bpf_prog_alloc_no_stats+0x55/0x470 [ 39.017785] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.018765] bpf_prog_alloc+0x39/0x200 [ 39.019520] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.020450] bpf_prog_create_from_user+0xb2/0x2f0 [ 39.021373] do_seccomp+0x349/0x25e0 [ 39.022104] ? find_held_lock+0x2b/0x80 [ 39.022878] ? do_prlimit+0x310/0x610 [ 39.023577] ? __pfx_do_seccomp+0x10/0x10 [ 39.024362] ? do_raw_spin_unlock+0x53/0x220 [ 39.025215] ? _raw_spin_unlock+0x1e/0x40 [ 39.026000] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 39.027001] ? static_key_count+0x60/0x80 [ 39.027764] prctl_set_seccomp+0x4e/0x70 [ 39.028568] __do_sys_prctl+0xe6c/0x1d70 [ 39.029360] ? __pfx___do_sys_prctl+0x10/0x10 [ 39.030218] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 39.031197] ? irqentry_exit+0xf3/0x650 [ 39.031955] do_syscall_64+0xbf/0x430 [ 39.032650] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 39.033594] RIP: 0033:0x7fb3902895cd [ 39.034289] 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 [ 39.037485] RSP: 002b:00007ffc51b19d30 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 39.038858] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fb3902895cd [ 39.040131] RDX: 0000556fd208fe00 RSI: 0000000000000002 RDI: 0000000000000016 [ 39.041437] RBP: 00007ffc51b19d90 R08: 0000000000000000 R09: 00007ffc51b19430 [ 39.042736] R10: 0000000000000000 R11: 0000000000000246 R12: 0000556ff836bbf0 [ 39.044020] R13: 00007ffc51b1a1c0 R14: 0000556ff8375380 R15: 0000556ff8380460 [ 39.045339] [ 39.045766] irq event stamp: 1697 [ 39.046427] hardirqs last enabled at (1707): [] __up_console_sem+0x78/0x80 [ 39.047981] hardirqs last disabled at (1716): [] __up_console_sem+0x5d/0x80 [ 39.049491] softirqs last enabled at (1524): [] handle_softirqs+0x50c/0x770 [ 39.051053] softirqs last disabled at (1519): [] __irq_exit_rcu+0xc4/0x100 [ 39.052569] ---[ end trace 0000000000000000 ]--- [ 41.871137] ------------[ cut here ]------------ [ 41.872069] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 41.874083] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/242 [ 41.875556] Modules linked in: [ 41.876181] CPU: 0 UID: 104 PID: 242 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 41.878239] Tainted: [W]=WARN [ 41.878851] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 41.880344] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 41.881286] 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 [ 41.884476] RSP: 0018:ffff888016c97bc0 EFLAGS: 00010286 [ 41.885483] RAX: 0000000000000000 RBX: ffffed1002d92f78 RCX: ffffffff813a4050 [ 41.886814] RDX: ffff888014b61bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 41.888129] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002d92f2f [ 41.889433] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 41.890738] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888016c97df8 [ 41.892037] FS: 00007f978bd24900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 41.893481] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 41.894588] CR2: 00007f978c216580 CR3: 000000001ff02000 CR4: 0000000000350ef0 [ 41.895897] Call Trace: [ 41.896365] [ 41.896779] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 41.897691] ? __create_object+0x59/0x80 [ 41.898503] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 41.899491] __vmalloc_noprof+0x59/0x60 [ 41.900253] bpf_prog_alloc_no_stats+0x55/0x470 [ 41.901142] ? __pfx_seccomp_check_filter+0x10/0x10 [ 41.902090] bpf_prog_alloc+0x39/0x200 [ 41.902853] ? __pfx_seccomp_check_filter+0x10/0x10 [ 41.903749] bpf_prog_create_from_user+0xb2/0x2f0 [ 41.904666] do_seccomp+0x349/0x25e0 [ 41.905382] ? __pfx_css_rstat_updated+0x10/0x10 [ 41.906287] ? __pfx_do_seccomp+0x10/0x10 [ 41.907098] ? find_held_lock+0x2b/0x80 [ 41.907870] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 41.908848] ? static_key_count+0x60/0x80 [ 41.909619] prctl_set_seccomp+0x4e/0x70 [ 41.910411] __do_sys_prctl+0xe6c/0x1d70 [ 41.911205] ? __pfx___do_sys_prctl+0x10/0x10 [ 41.912071] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 41.913052] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 41.914017] ? irqentry_exit+0xf3/0x650 [ 41.914745] do_syscall_64+0xbf/0x430 [ 41.915494] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 41.916437] RIP: 0033:0x7f978c2165cd [ 41.917136] 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 [ 41.920386] RSP: 002b:00007fff82cfbf90 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 41.921751] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f978c2165cd [ 41.923013] RDX: 000055e66cea3e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 41.924287] RBP: 00007fff82cfbff0 R08: 0000000000000000 R09: 00007fff82cfb690 [ 41.925557] R10: 0000000000000000 R11: 0000000000000246 R12: 000055e66d1a2ad0 [ 41.926833] R13: 00007fff82cfc420 R14: 000055e66d1a3bc0 R15: 000055e66d1b4780 [ 41.928130] [ 41.928558] irq event stamp: 1713 [ 41.929196] hardirqs last enabled at (1723): [] __up_console_sem+0x78/0x80 [ 41.930734] hardirqs last disabled at (1732): [] __up_console_sem+0x5d/0x80 [ 41.932258] softirqs last enabled at (1636): [] handle_softirqs+0x50c/0x770 [ 41.933818] softirqs last disabled at (1625): [] __irq_exit_rcu+0xc4/0x100 [ 41.935208] ---[ end trace 0000000000000000 ]--- [ 42.501587] ------------[ cut here ]------------ [ 42.502498] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.504529] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/249 [ 42.505987] Modules linked in: [ 42.506616] CPU: 1 UID: 104 PID: 249 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 42.508606] Tainted: [W]=WARN [ 42.509210] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.510958] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.511936] 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 [ 42.515118] RSP: 0018:ffff88801695fbc0 EFLAGS: 00010286 [ 42.516079] RAX: 0000000000000000 RBX: ffffed1002d2bf78 RCX: ffffffff813a4050 [ 42.517346] RDX: ffff88800a950000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.518607] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002d2bf2f [ 42.519908] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.521181] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801695fdf8 [ 42.522462] FS: 00007fab42f21900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 42.523883] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.524931] CR2: 00007fab43413580 CR3: 0000000009c61000 CR4: 0000000000350ef0 [ 42.526195] Call Trace: [ 42.526664] [ 42.527120] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.528022] ? __create_object+0x59/0x80 [ 42.528759] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.529726] __vmalloc_noprof+0x59/0x60 [ 42.530507] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.531383] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.532318] bpf_prog_alloc+0x39/0x200 [ 42.533050] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.533989] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.534903] do_seccomp+0x349/0x25e0 [ 42.535566] ? __pfx_css_rstat_updated+0x10/0x10 [ 42.536474] ? __pfx_do_seccomp+0x10/0x10 [ 42.537249] ? find_held_lock+0x2b/0x80 [ 42.538013] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.539006] ? static_key_count+0x60/0x80 [ 42.539760] prctl_set_seccomp+0x4e/0x70 [ 42.540538] __do_sys_prctl+0xe6c/0x1d70 [ 42.541319] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.542181] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.543145] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.544114] ? irqentry_exit+0xf3/0x650 [ 42.544876] do_syscall_64+0xbf/0x430 [ 42.545569] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.546522] RIP: 0033:0x7fab434135cd [ 42.547217] 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 [ 42.550345] RSP: 002b:00007ffd3a6a5d60 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.551724] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fab434135cd [ 42.553019] RDX: 0000557610c99e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.554293] RBP: 00007ffd3a6a5dc0 R08: 0000000000000000 R09: 00007ffd3a6a5460 [ 42.555586] R10: 0000000000000000 R11: 0000000000000246 R12: 000055762f9d6ad0 [ 42.556859] R13: 00007ffd3a6a61f0 R14: 000055762f9d7bc0 R15: 000055762f9e8780 [ 42.558146] [ 42.558577] irq event stamp: 1811 [ 42.559228] hardirqs last enabled at (1821): [] __up_console_sem+0x78/0x80 [ 42.560496] hardirqs last disabled at (1830): [] __up_console_sem+0x5d/0x80 [ 42.561749] softirqs last enabled at (1368): [] handle_softirqs+0x50c/0x770 [ 42.563063] softirqs last disabled at (1347): [] __irq_exit_rcu+0xc4/0x100 [ 42.564308] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:25591' (ECDSA) to the list of known hosts. 2025/11/17 09:13:58 fuzzer started 2025/11/17 09:13:58 dialing manager at localhost:37895 2025/11/17 09:13:58 checking machine... 2025/11/17 09:13:58 checking revisions... [ 43.419136] kmemleak: Automatic memory scanning thread ended 2025/11/17 09:13:58 testing simple program... [ 43.495227] cgroup: Unknown subsys name 'net' [ 43.549620] cgroup: Unknown subsys name 'cpuset' [ 43.560522] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program VM DIAGNOSIS: 09:13:58 Registers: info registers vcpu 0 RAX=ffffffff87b15b88 RBX=ffff88801b370000 RCX=124b7f205399bc52 RDX=000000006933a071 RSI=0000000081717836 RDI=ffff88801b370aa8 RBP=ffff88801b370a58 RSP=ffff888016a6fa10 R8 =0000000000000002 R9 =0000000000000000 R10=0000000000000001 R11=0000000000000000 R12=ffff88801b370aa8 R13=0000000000007fd7 R14=0000000000000001 R15=124b7f205399bc52 RIP=ffffffff81527b66 RFL=00000017 [----APC] 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 00007f978bd24900 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe6b00000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007fff82cf6000 CR3=000000001ff69000 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=6720646572637465733a4d41503d706f 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=000000000002524b 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 fffffe4500000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f978c2d9650 CR3=000000000b761000 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=2037353a33313a393020373120766f4e XMM01=73732878696e755f6d6170203a5d3134 XMM02=65736f6c63206e6f6973736573203a29 XMM03=755f6d6170203a5d3134325b64687373 XMM04=69662068637573206f4e203a656c6163 XMM05=3a656c696620766e65206e65706f206f XMM06=65733a6468737328766e655f6d617020 XMM07=6b7a79732037353a33313a3930203731 XMM08=30343d7974696c696261706163202279 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000