syzkaller login: [ 39.004655] ------------[ cut here ]------------ [ 39.005552] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 39.007722] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/233 [ 39.009208] Modules linked in: [ 39.009865] CPU: 0 UID: 104 PID: 233 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 39.011845] Tainted: [W]=WARN [ 39.012412] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 39.013890] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 39.014808] 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 [ 39.017998] RSP: 0018:ffff888016197bc0 EFLAGS: 00010286 [ 39.018984] RAX: 0000000000000000 RBX: ffffed1002c32f78 RCX: ffffffff813a4050 [ 39.020266] RDX: ffff8880173c0000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 39.021559] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002c32f2f [ 39.022874] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 39.024166] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888016197df8 [ 39.025469] FS: 00007f4e89942900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 39.026928] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 39.028007] CR2: 00007f4e89e34580 CR3: 000000001d1d1000 CR4: 0000000000350ef0 [ 39.029306] Call Trace: [ 39.029809] [ 39.030219] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 39.031125] ? __create_object+0x59/0x80 [ 39.031918] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.032890] __vmalloc_noprof+0x59/0x60 [ 39.033656] bpf_prog_alloc_no_stats+0x55/0x470 [ 39.034518] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.035457] bpf_prog_alloc+0x39/0x200 [ 39.036183] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.037123] bpf_prog_create_from_user+0xb2/0x2f0 [ 39.038048] do_seccomp+0x349/0x25e0 [ 39.038771] ? __pfx_css_rstat_updated+0x10/0x10 [ 39.039678] ? __pfx_do_seccomp+0x10/0x10 [ 39.040427] ? find_held_lock+0x2b/0x80 [ 39.041195] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 39.042186] ? static_key_count+0x60/0x80 [ 39.042999] prctl_set_seccomp+0x4e/0x70 [ 39.043777] __do_sys_prctl+0xe6c/0x1d70 [ 39.044524] ? __pfx___do_sys_prctl+0x10/0x10 [ 39.045389] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.046375] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 39.047360] ? irqentry_exit+0xf3/0x650 [ 39.048150] do_syscall_64+0xbf/0x430 [ 39.048895] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 39.049883] RIP: 0033:0x7f4e89e345cd [ 39.050547] 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 [ 39.053745] RSP: 002b:00007ffd42ba68a0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 39.055125] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f4e89e345cd [ 39.056411] RDX: 0000560276541e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 39.057695] RBP: 00007ffd42ba6900 R08: 0000000000000000 R09: 00007ffd42ba5fa0 [ 39.058988] R10: 0000000000000000 R11: 0000000000000246 R12: 000056027fc14bf0 [ 39.060271] R13: 00007ffd42ba6d30 R14: 000056027fc1e380 R15: 000056027fc29460 [ 39.061629] [ 39.062070] irq event stamp: 1747 [ 39.062738] hardirqs last enabled at (1757): [] __up_console_sem+0x78/0x80 [ 39.064272] hardirqs last disabled at (1766): [] __up_console_sem+0x5d/0x80 [ 39.065799] softirqs last enabled at (1668): [] handle_softirqs+0x50c/0x770 [ 39.067353] softirqs last disabled at (1663): [] __irq_exit_rcu+0xc4/0x100 [ 39.068901] ---[ end trace 0000000000000000 ]--- [ 42.135223] ------------[ cut here ]------------ [ 42.136214] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.138414] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/242 [ 42.139961] Modules linked in: [ 42.140642] CPU: 1 UID: 104 PID: 242 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 42.142787] Tainted: [W]=WARN [ 42.143388] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.144939] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.145941] 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 [ 42.149319] RSP: 0018:ffff88800e47fbc0 EFLAGS: 00010286 [ 42.150382] RAX: 0000000000000000 RBX: ffffed1001c8ff78 RCX: ffffffff813a4050 [ 42.151760] RDX: ffff888017ef1bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.153136] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1001c8ff2f [ 42.154497] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.155855] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88800e47fdf8 [ 42.157220] FS: 00007f2d7d2a0900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 42.158765] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.159903] CR2: 00007ffc15d0aef8 CR3: 00000000167b8000 CR4: 0000000000350ef0 [ 42.161260] Call Trace: [ 42.161816] [ 42.162260] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.163227] ? __create_object+0x59/0x80 [ 42.164082] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.165131] __vmalloc_noprof+0x59/0x60 [ 42.165961] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.166915] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.167925] bpf_prog_alloc+0x39/0x200 [ 42.168723] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.169733] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.170734] do_seccomp+0x349/0x25e0 [ 42.171480] ? find_held_lock+0x2b/0x80 [ 42.172317] ? do_prlimit+0x310/0x610 [ 42.173127] ? __pfx_do_seccomp+0x10/0x10 [ 42.174006] ? do_raw_spin_unlock+0x53/0x220 [ 42.174939] ? _raw_spin_unlock+0x1e/0x40 [ 42.175798] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.176869] ? static_key_count+0x60/0x80 [ 42.177758] prctl_set_seccomp+0x4e/0x70 [ 42.178634] __do_sys_prctl+0xe6c/0x1d70 [ 42.179461] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.180400] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.181466] ? irqentry_exit+0xf3/0x650 [ 42.182315] do_syscall_64+0xbf/0x430 [ 42.183130] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.184145] RIP: 0033:0x7f2d7d7925cd [ 42.184874] 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 [ 42.187866] RSP: 002b:00007ffc15d08870 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.189057] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f2d7d7925cd [ 42.190196] RDX: 0000564f14afee00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.191312] RBP: 00007ffc15d088d0 R08: 0000000000000000 R09: 00007ffc15d07f70 [ 42.192450] R10: 0000000000000000 R11: 0000000000000246 R12: 0000564f191e0bf0 [ 42.193579] R13: 00007ffc15d08d00 R14: 0000564f191ea380 R15: 0000564f191f5460 [ 42.194758] [ 42.195132] irq event stamp: 1699 [ 42.195713] hardirqs last enabled at (1709): [] __up_console_sem+0x78/0x80 [ 42.197047] hardirqs last disabled at (1718): [] __up_console_sem+0x5d/0x80 [ 42.198396] softirqs last enabled at (1266): [] handle_softirqs+0x50c/0x770 [ 42.199767] softirqs last disabled at (1261): [] __irq_exit_rcu+0xc4/0x100 [ 42.201106] ---[ end trace 0000000000000000 ]--- [ 42.918233] ------------[ cut here ]------------ [ 42.919164] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.921214] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/249 [ 42.922691] Modules linked in: [ 42.923283] CPU: 0 UID: 104 PID: 249 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 42.925314] Tainted: [W]=WARN [ 42.925919] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.927385] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.928300] 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 [ 42.931469] RSP: 0018:ffff8880171e7bc0 EFLAGS: 00010286 [ 42.932567] RAX: 0000000000000000 RBX: ffffed1002e3cf78 RCX: ffffffff813a4050 [ 42.933928] RDX: ffff88801686b780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.935201] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002e3cf2f [ 42.936469] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.937741] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff8880171e7df8 [ 42.939047] FS: 00007f3102d8e900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 42.940576] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.941782] CR2: 00007ffc2a734ef8 CR3: 000000000d3d6000 CR4: 0000000000350ef0 [ 42.943231] Call Trace: [ 42.943797] [ 42.944253] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.945268] ? __create_object+0x59/0x80 [ 42.946153] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.947235] __vmalloc_noprof+0x59/0x60 [ 42.948088] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.949076] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.950146] bpf_prog_alloc+0x39/0x200 [ 42.950979] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.952036] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.953070] do_seccomp+0x349/0x25e0 [ 42.953892] ? find_held_lock+0x2b/0x80 [ 42.954741] ? do_prlimit+0x310/0x610 [ 42.955523] ? __pfx_do_seccomp+0x10/0x10 [ 42.956403] ? do_raw_spin_unlock+0x53/0x220 [ 42.957322] ? _raw_spin_unlock+0x1e/0x40 [ 42.958199] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.959284] ? static_key_count+0x60/0x80 [ 42.960180] prctl_set_seccomp+0x4e/0x70 [ 42.961045] __do_sys_prctl+0xe6c/0x1d70 [ 42.961924] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.962871] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.963954] ? irqentry_exit+0xf3/0x650 [ 42.964803] do_syscall_64+0xbf/0x430 [ 42.965572] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.966678] RIP: 0033:0x7f31032805cd [ 42.967404] 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 [ 42.970896] RSP: 002b:00007ffc2a733040 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.972387] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f31032805cd [ 42.973787] RDX: 000055a36390ae00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.975227] RBP: 00007ffc2a7330a0 R08: 0000000000000000 R09: 00007ffc2a732740 [ 42.976633] R10: 0000000000000000 R11: 0000000000000246 R12: 000055a36e584ad0 [ 42.978051] R13: 00007ffc2a7334d0 R14: 000055a36e585bc0 R15: 000055a36e596780 [ 42.979495] [ 42.980010] irq event stamp: 1727 [ 42.980712] hardirqs last enabled at (1737): [] __up_console_sem+0x78/0x80 [ 42.982360] hardirqs last disabled at (1746): [] __up_console_sem+0x5d/0x80 [ 42.983618] softirqs last enabled at (1760): [] handle_softirqs+0x50c/0x770 [ 42.984707] softirqs last disabled at (1755): [] __irq_exit_rcu+0xc4/0x100 [ 42.985770] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:42262' (ECDSA) to the list of known hosts. 2025/11/17 21:16:18 fuzzer started 2025/11/17 21:16:18 dialing manager at localhost:37895 2025/11/17 21:16:18 checking machine... 2025/11/17 21:16:18 checking revisions... [ 43.921445] kmemleak: Automatic memory scanning thread ended 2025/11/17 21:16:18 testing simple program... [ 44.016068] cgroup: Unknown subsys name 'net' [ 44.075022] cgroup: Unknown subsys name 'cpuset' [ 44.089290] cgroup: Unknown subsys name 'rlimit' executing program executing program VM DIAGNOSIS: 21:16:17 Registers: info registers vcpu 0 RAX=0000000000000000 RBX=0000000000000000 RCX=ffffffff817d9976 RDX=1ffff1100d9c6c40 RSI=0000000000000000 RDI=ffff88801625b480 RBP=ffff88806ce36200 RSP=ffff8880165d7858 R8 =0000000000000000 R9 =fffffbfff0cc9eca R10=ffffffff8664f657 R11=1ffff1100d9c6c41 R12=0000000000000000 R13=0000000000000000 R14=ffff88801625b480 R15=ffff88801625b480 RIP=ffffffff81377254 RFL=00000046 [---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 00007f2d7d2a0900 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe0600000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f2d7d26f008 CR3=000000001e7a9000 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=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=dffffc0000000000 RBX=ffff888009757840 RCX=ffff888009757794 RDX=1ffff110012eaf13 RSI=ffffffff85e1ffe0 RDI=ffff888009757840 RBP=ffff888009757898 RSP=ffff888009757828 R8 =0000000000000001 R9 =ffff888009757880 R10=000000000003c9ed R11=00000000000255ec R12=ffff888009757908 R13=0000000000000000 R14=ffff8880096fb780 R15=ffff888008c4b780 RIP=ffffffff8135e1ae 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 ffff8880e548f000 00000000 00000000 LDT=0000 fffffe3d00000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f1816968028 CR3=000000000df3f000 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=547ab7d5104677808b4fea51687061b0 XMM02=2c67c8bc2e329bc30000000000307010 XMM03=fb795ef6d657705600000000003129d0 XMM04=483f35513da0b11800000000000ae988 XMM05=00c35f1eab3cbf230000000000322ed0 XMM06=5b75c91c804453420000000000322b58 XMM07=e042d86d42eb936e0000000000313410 XMM08=b6619bdf6b234dc30000000000307070 XMM09=00000000000000000000000000000000 XMM10=20200000000020202020202020200000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000