syzkaller login: [ 47.021477] ------------[ cut here ]------------ [ 47.022422] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 47.024420] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/233 [ 47.025872] Modules linked in: [ 47.026448] CPU: 0 UID: 104 PID: 233 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 47.028453] Tainted: [W]=WARN [ 47.029043] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 47.030496] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 47.031407] 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 [ 47.035126] RSP: 0018:ffff888013b5fbc0 EFLAGS: 00010286 [ 47.036118] RAX: 0000000000000000 RBX: ffffed100276bf78 RCX: ffffffff813a4050 [ 47.037384] RDX: ffff88800efc8000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 47.038656] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed100276bf2f [ 47.039932] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 47.041204] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888013b5fdf8 [ 47.042469] FS: 00007f3aab34e900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 47.043909] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 47.044961] CR2: 00007ffc2a0e8ef7 CR3: 000000000dc77000 CR4: 0000000000350ef0 [ 47.046237] Call Trace: [ 47.046750] [ 47.047157] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 47.048073] ? __create_object+0x59/0x80 [ 47.048858] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 47.049822] __vmalloc_noprof+0x59/0x60 [ 47.050522] bpf_prog_alloc_no_stats+0x55/0x470 [ 47.051394] ? __pfx_seccomp_check_filter+0x10/0x10 [ 47.052328] bpf_prog_alloc+0x39/0x200 [ 47.053058] ? __pfx_seccomp_check_filter+0x10/0x10 [ 47.053975] bpf_prog_create_from_user+0xb2/0x2f0 [ 47.054878] do_seccomp+0x349/0x25e0 [ 47.055607] ? find_held_lock+0x2b/0x80 [ 47.056321] ? do_prlimit+0x310/0x610 [ 47.057058] ? __pfx_do_seccomp+0x10/0x10 [ 47.057835] ? do_raw_spin_unlock+0x53/0x220 [ 47.058664] ? _raw_spin_unlock+0x1e/0x40 [ 47.059407] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 47.060363] ? static_key_count+0x60/0x80 [ 47.061143] prctl_set_seccomp+0x4e/0x70 [ 47.061902] __do_sys_prctl+0xe6c/0x1d70 [ 47.062683] ? __pfx___do_sys_prctl+0x10/0x10 [ 47.063503] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 47.064468] ? irqentry_exit+0xf3/0x650 [ 47.065239] do_syscall_64+0xbf/0x430 [ 47.065959] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 47.066903] RIP: 0033:0x7f3aab8405cd [ 47.067613] 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 [ 47.070753] RSP: 002b:00007ffc2a0e7b20 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 47.072116] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f3aab8405cd [ 47.073383] RDX: 000055fecab47e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 47.074649] RBP: 00007ffc2a0e7b80 R08: 0000000000000000 R09: 00007ffc2a0e7220 [ 47.075932] R10: 0000000000000000 R11: 0000000000000246 R12: 000055fee6f65b10 [ 47.077190] R13: 00007ffc2a0e7fb0 R14: 000055fee6f662b0 R15: 000055fee6f7a6f0 [ 47.078476] [ 47.078942] irq event stamp: 1781 [ 47.079608] hardirqs last enabled at (1791): [] __up_console_sem+0x78/0x80 [ 47.081120] hardirqs last disabled at (1800): [] __up_console_sem+0x5d/0x80 [ 47.082626] softirqs last enabled at (1662): [] handle_softirqs+0x50c/0x770 [ 47.084171] softirqs last disabled at (1657): [] __irq_exit_rcu+0xc4/0x100 [ 47.085653] ---[ end trace 0000000000000000 ]--- [ 50.180336] ------------[ cut here ]------------ [ 50.181086] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 50.182886] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/240 [ 50.184094] Modules linked in: [ 50.184604] CPU: 1 UID: 104 PID: 240 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 50.186230] Tainted: [W]=WARN [ 50.186708] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 50.187917] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 50.188667] 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 [ 50.191292] RSP: 0018:ffff8880183afbc0 EFLAGS: 00010286 [ 50.192096] RAX: 0000000000000000 RBX: ffffed1003075f78 RCX: ffffffff813a4050 [ 50.193139] RDX: ffff88801aad9bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 50.194343] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1003075f2f [ 50.195401] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 50.196443] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff8880183afdf8 [ 50.197488] FS: 00007fbc45d4e900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 50.198661] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.199501] CR2: 00007ffea23c9ef7 CR3: 000000000e26b000 CR4: 0000000000350ef0 [ 50.200546] Call Trace: [ 50.200945] [ 50.201282] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 50.202015] ? __create_object+0x59/0x80 [ 50.202649] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 50.203421] __vmalloc_noprof+0x59/0x60 [ 50.204136] bpf_prog_alloc_no_stats+0x55/0x470 [ 50.204846] ? __pfx_seccomp_check_filter+0x10/0x10 [ 50.205634] bpf_prog_alloc+0x39/0x200 [ 50.206215] ? __pfx_seccomp_check_filter+0x10/0x10 [ 50.206986] bpf_prog_create_from_user+0xb2/0x2f0 [ 50.207746] do_seccomp+0x349/0x25e0 [ 50.208310] ? find_held_lock+0x2b/0x80 [ 50.208928] ? do_prlimit+0x310/0x610 [ 50.209508] ? __pfx_do_seccomp+0x10/0x10 [ 50.210237] ? do_raw_spin_unlock+0x53/0x220 [ 50.211037] ? _raw_spin_unlock+0x1e/0x40 [ 50.211708] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 50.212466] ? static_key_count+0x60/0x80 [ 50.213121] prctl_set_seccomp+0x4e/0x70 [ 50.213760] __do_sys_prctl+0xe6c/0x1d70 [ 50.214370] ? __pfx___do_sys_prctl+0x10/0x10 [ 50.215065] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 50.215866] ? irqentry_exit+0xf3/0x650 [ 50.216457] do_syscall_64+0xbf/0x430 [ 50.217058] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 50.217829] RIP: 0033:0x7fbc462405cd [ 50.218375] 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 [ 50.221004] RSP: 002b:00007ffea23c78b0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 50.222204] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fbc462405cd [ 50.223252] RDX: 000055aaa1d6fe00 RSI: 0000000000000002 RDI: 0000000000000016 [ 50.224323] RBP: 00007ffea23c7910 R08: 0000000000000000 R09: 00007ffea23c6fb0 [ 50.225378] R10: 0000000000000000 R11: 0000000000000246 R12: 000055aad5663b10 [ 50.226417] R13: 00007ffea23c7d40 R14: 000055aad56642b0 R15: 000055aad56786f0 [ 50.227483] [ 50.227859] irq event stamp: 1645 [ 50.228360] hardirqs last enabled at (1653): [] __up_console_sem+0x78/0x80 [ 50.229631] hardirqs last disabled at (1662): [] __up_console_sem+0x5d/0x80 [ 50.230994] softirqs last enabled at (1398): [] handle_softirqs+0x50c/0x770 [ 50.232288] softirqs last disabled at (1681): [] __irq_exit_rcu+0xc4/0x100 [ 50.233540] ---[ end trace 0000000000000000 ]--- [ 51.075886] ------------[ cut here ]------------ [ 51.076825] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 51.078875] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/247 [ 51.080322] Modules linked in: [ 51.080966] CPU: 1 UID: 104 PID: 247 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 51.082950] Tainted: [W]=WARN [ 51.083515] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 51.084958] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 51.085860] 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 [ 51.089008] RSP: 0018:ffff888015677bc0 EFLAGS: 00010286 [ 51.089978] RAX: 0000000000000000 RBX: ffffed1002acef78 RCX: ffffffff813a4050 [ 51.091251] RDX: ffff88801837b780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 51.092547] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002acef2f [ 51.093839] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 51.095106] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888015677df8 [ 51.096404] FS: 00007ff145bb7900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 51.097836] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 51.098883] CR2: 00007fff996abef7 CR3: 0000000013abb000 CR4: 0000000000350ef0 [ 51.100179] Call Trace: [ 51.100692] [ 51.101104] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 51.101996] ? __create_object+0x59/0x80 [ 51.102779] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 51.103761] __vmalloc_noprof+0x59/0x60 [ 51.104467] bpf_prog_alloc_no_stats+0x55/0x470 [ 51.105340] ? __pfx_seccomp_check_filter+0x10/0x10 [ 51.106274] bpf_prog_alloc+0x39/0x200 [ 51.107014] ? __pfx_seccomp_check_filter+0x10/0x10 [ 51.107968] bpf_prog_create_from_user+0xb2/0x2f0 [ 51.108883] do_seccomp+0x349/0x25e0 [ 51.109607] ? find_held_lock+0x2b/0x80 [ 51.110321] ? do_prlimit+0x310/0x610 [ 51.111069] ? __pfx_do_seccomp+0x10/0x10 [ 51.111866] ? do_raw_spin_unlock+0x53/0x220 [ 51.112711] ? _raw_spin_unlock+0x1e/0x40 [ 51.113449] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 51.114400] ? static_key_count+0x60/0x80 [ 51.115199] prctl_set_seccomp+0x4e/0x70 [ 51.115994] __do_sys_prctl+0xe6c/0x1d70 [ 51.116787] ? __pfx___do_sys_prctl+0x10/0x10 [ 51.117622] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 51.118532] ? irqentry_exit+0xf3/0x650 [ 51.119294] do_syscall_64+0xbf/0x430 [ 51.120046] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 51.120996] RIP: 0033:0x7ff1460a95cd [ 51.121711] 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 [ 51.124856] RSP: 002b:00007fff996a9450 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 51.126221] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ff1460a95cd [ 51.127526] RDX: 000055eb91717e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 51.128862] RBP: 00007fff996a94b0 R08: 0000000000000000 R09: 00007fff996a8b50 [ 51.130134] R10: 0000000000000000 R11: 0000000000000246 R12: 000055ebc0997ad0 [ 51.131434] R13: 00007fff996a98e0 R14: 000055ebc0998bc0 R15: 000055ebc09a9780 [ 51.132722] [ 51.133144] irq event stamp: 1771 [ 51.133798] hardirqs last enabled at (1787): [] __up_console_sem+0x78/0x80 [ 51.135334] hardirqs last disabled at (1796): [] __up_console_sem+0x5d/0x80 [ 51.136864] softirqs last enabled at (1784): [] handle_softirqs+0x50c/0x770 [ 51.138401] softirqs last disabled at (1779): [] __irq_exit_rcu+0xc4/0x100 [ 51.139932] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:24067' (ECDSA) to the list of known hosts. 2025/11/18 02:55:18 fuzzer started 2025/11/18 02:55:18 dialing manager at localhost:37895 2025/11/18 02:55:18 checking machine... 2025/11/18 02:55:18 checking revisions... [ 52.230897] kmemleak: Automatic memory scanning thread ended 2025/11/18 02:55:19 testing simple program... [ 52.330226] cgroup: Unknown subsys name 'net' [ 52.397423] cgroup: Unknown subsys name 'cpuset' [ 52.421211] cgroup: Unknown subsys name 'rlimit' executing program executing program VM DIAGNOSIS: 02:55:17 Registers: info registers vcpu 0 RAX=0000000000000000 RBX=0000000000000001 RCX=1ffff11002b59e88 RDX=dffffc0000000000 RSI=00000000f002f766 RDI=ffff88806ce31cd0 RBP=ffff888015acf440 RSP=ffff888015acf328 R8 =0000000000000001 R9 =0000000000000000 R10=0000000000000001 R11=0000000000000001 R12=ffff888015acf448 R13=ffff888015acf430 R14=ffff888015acf429 R15=ffff888015acf3e8 RIP=ffffffff8135e56e 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 00007fbc45d4e900 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe7400000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007ffea23c1000 CR3=000000000e40c000 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=635f6e6f69737365733a4d41503d706f XMM01=6f6c5f6d61702c78756e696c65735f6d XMM02=61702c74696d7265705f6d61702c7469 XMM03=655f6d61702c7374696d696c5f6d6170 XMM04=3d6c616e696d72657420322e322e302e XMM05=3d656d616e74736f682022646873732f XMM06=746f6f72223d746363612078756e696c XMM07=6e655f6d61702c7374696d696c5f6d61 XMM08=652075253d64692073253d706f000000 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=ffffffff81bd4040 RBX=ffffffff86731714 RCX=ffffffff81bd4195 RDX=0000000000000000 RSI=ffffffff86ac9cd0 RDI=ffffffff86731714 RBP=ffffffff86731718 RSP=ffff88806cf089b8 R8 =ffffffff86ac9cd0 R9 =0000000000000000 R10=000000000003c9ed R11=00000000000284d8 R12=ffffffff86731714 R13=ffffffff86731714 R14=0000000000000000 R15=dffffc0000000000 RIP=ffffffff8135dad7 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 00007f4daf938900 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=00007ffc1b4c8c08 CR3=000000000d484000 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=ffffffffffffffffffffffffffffffff XMM01=30306234386136303638616663356134 XMM02=38303062343861363036386166633561 XMM03=2f6c616e72756f6a2f676f6c2f6e7572 XMM04=d38ed798dffb3f2e00000000000ae988 XMM05=22c6350218966745000000000031f6b0 XMM06=bbb565f257577bb5000000000031e0e0 XMM07=00000000000000000000000000000000 XMM08=415453454d49545f454d49544c414552 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000