syzkaller login: [ 39.001831] ------------[ cut here ]------------ [ 39.002742] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 39.004778] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/233 [ 39.006465] Modules linked in: [ 39.007167] CPU: 1 UID: 104 PID: 233 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 39.009162] Tainted: [W]=WARN [ 39.009779] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 39.011264] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 39.012189] 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 [ 39.015387] RSP: 0018:ffff888016cbfbc0 EFLAGS: 00010286 [ 39.016372] RAX: 0000000000000000 RBX: ffffed1002d97f78 RCX: ffffffff813a4050 [ 39.017667] RDX: ffff888017385340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 39.018976] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002d97f2f [ 39.020279] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 39.021588] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888016cbfdf8 [ 39.022893] FS: 00007f059639e900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 39.024352] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 39.025442] CR2: 00007ffc50f2fef7 CR3: 0000000009b5d000 CR4: 0000000000350ef0 [ 39.026726] Call Trace: [ 39.027189] [ 39.027636] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 39.028499] ? __create_object+0x59/0x80 [ 39.029280] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.030250] __vmalloc_noprof+0x59/0x60 [ 39.031016] bpf_prog_alloc_no_stats+0x55/0x470 [ 39.032047] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.033023] bpf_prog_alloc+0x39/0x200 [ 39.033783] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.034731] bpf_prog_create_from_user+0xb2/0x2f0 [ 39.035659] do_seccomp+0x349/0x25e0 [ 39.036391] ? find_held_lock+0x2b/0x80 [ 39.037182] ? do_prlimit+0x310/0x610 [ 39.037946] ? __pfx_do_seccomp+0x10/0x10 [ 39.038749] ? do_raw_spin_unlock+0x53/0x220 [ 39.039577] ? _raw_spin_unlock+0x1e/0x40 [ 39.040383] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 39.041377] ? static_key_count+0x60/0x80 [ 39.042200] prctl_set_seccomp+0x4e/0x70 [ 39.042986] __do_sys_prctl+0xe6c/0x1d70 [ 39.043791] ? __pfx___do_sys_prctl+0x10/0x10 [ 39.044676] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 39.045663] ? irqentry_exit+0xf3/0x650 [ 39.046395] do_syscall_64+0xbf/0x430 [ 39.047151] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 39.048109] RIP: 0033:0x7f05968905cd [ 39.048847] 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 [ 39.052077] RSP: 002b:00007ffc50f2da80 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 39.053484] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f05968905cd [ 39.054791] RDX: 000055a4df037e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 39.056097] RBP: 00007ffc50f2dae0 R08: 0000000000000000 R09: 00007ffc50f2d180 [ 39.057442] R10: 0000000000000000 R11: 0000000000000246 R12: 000055a50c5bead0 [ 39.058752] R13: 00007ffc50f2df10 R14: 000055a50c5bfbc0 R15: 000055a50c5d0780 [ 39.060074] [ 39.060515] irq event stamp: 1795 [ 39.061172] hardirqs last enabled at (1805): [] __up_console_sem+0x78/0x80 [ 39.062723] hardirqs last disabled at (1814): [] __up_console_sem+0x5d/0x80 [ 39.064271] softirqs last enabled at (1340): [] handle_softirqs+0x50c/0x770 [ 39.065852] softirqs last disabled at (1335): [] __irq_exit_rcu+0xc4/0x100 [ 39.067399] ---[ end trace 0000000000000000 ]--- [ 41.917481] ------------[ cut here ]------------ [ 41.918543] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 41.920854] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/242 [ 41.922493] Modules linked in: [ 41.923201] CPU: 0 UID: 104 PID: 242 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 41.925463] Tainted: [W]=WARN [ 41.926129] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 41.927736] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 41.928672] 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 [ 41.931911] RSP: 0018:ffff888019a1fbc0 EFLAGS: 00010286 [ 41.932982] RAX: 0000000000000000 RBX: ffffed1003343f78 RCX: ffffffff813a4050 [ 41.934272] RDX: ffff888016f9b780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 41.935537] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1003343f2f [ 41.936834] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 41.938120] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888019a1fdf8 [ 41.939415] FS: 00007f766bed2900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 41.940871] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 41.941931] CR2: 00007f766c3c4580 CR3: 000000000d907000 CR4: 0000000000350ef0 [ 41.943383] Call Trace: [ 41.943888] [ 41.944307] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 41.945220] ? __create_object+0x59/0x80 [ 41.945990] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 41.947107] __vmalloc_noprof+0x59/0x60 [ 41.947870] bpf_prog_alloc_no_stats+0x55/0x470 [ 41.948794] ? __pfx_seccomp_check_filter+0x10/0x10 [ 41.949727] bpf_prog_alloc+0x39/0x200 [ 41.950417] ? __pfx_seccomp_check_filter+0x10/0x10 [ 41.951639] bpf_prog_create_from_user+0xb2/0x2f0 [ 41.952529] do_seccomp+0x349/0x25e0 [ 41.953276] ? __pfx_css_rstat_updated+0x10/0x10 [ 41.954175] ? __pfx_do_seccomp+0x10/0x10 [ 41.954967] ? find_held_lock+0x2b/0x80 [ 41.955719] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 41.956704] ? static_key_count+0x60/0x80 [ 41.957668] prctl_set_seccomp+0x4e/0x70 [ 41.958643] __do_sys_prctl+0xe6c/0x1d70 [ 41.959392] ? __pfx___do_sys_prctl+0x10/0x10 [ 41.960228] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 41.961219] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 41.962176] ? irqentry_exit+0xf3/0x650 [ 41.962932] do_syscall_64+0xbf/0x430 [ 41.963665] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 41.964738] RIP: 0033:0x7f766c3c45cd [ 41.965413] 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 [ 41.968741] RSP: 002b:00007ffd8d1ca420 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 41.970117] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f766c3c45cd [ 41.971415] RDX: 000055b866452e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 41.972842] RBP: 00007ffd8d1ca480 R08: 0000000000000000 R09: 00007ffd8d1c9b20 [ 41.974110] R10: 0000000000000000 R11: 0000000000000246 R12: 000055b87bf40ad0 [ 41.975377] R13: 00007ffd8d1ca8b0 R14: 000055b87bf41bc0 R15: 000055b87bf52780 [ 41.976723] [ 41.977188] irq event stamp: 1823 [ 41.978012] hardirqs last enabled at (1835): [] __up_console_sem+0x78/0x80 [ 41.979706] hardirqs last disabled at (1846): [] __up_console_sem+0x5d/0x80 [ 41.981503] softirqs last enabled at (1758): [] handle_softirqs+0x50c/0x770 [ 41.983036] softirqs last disabled at (1751): [] __irq_exit_rcu+0xc4/0x100 [ 41.984620] ---[ end trace 0000000000000000 ]--- [ 42.698581] ------------[ cut here ]------------ [ 42.699501] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.701458] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/249 [ 42.702946] Modules linked in: [ 42.703537] CPU: 1 UID: 104 PID: 249 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 42.705534] Tainted: [W]=WARN [ 42.706134] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.707586] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.708492] 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 [ 42.711660] RSP: 0018:ffff88800f54fbc0 EFLAGS: 00010286 [ 42.712646] RAX: 0000000000000000 RBX: ffffed1001ea9f78 RCX: ffffffff813a4050 [ 42.713921] RDX: ffff888009a8d340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.715189] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1001ea9f2f [ 42.716474] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.717751] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88800f54fdf8 [ 42.719039] FS: 00007f77e3f98900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 42.720460] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.721514] CR2: 00007ffe5d9bfef7 CR3: 0000000020724000 CR4: 0000000000350ef0 [ 42.722785] Call Trace: [ 42.723243] [ 42.723694] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.724551] ? __create_object+0x59/0x80 [ 42.725330] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.726284] __vmalloc_noprof+0x59/0x60 [ 42.727040] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.727899] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.728830] bpf_prog_alloc+0x39/0x200 [ 42.729519] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.730446] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.731350] do_seccomp+0x349/0x25e0 [ 42.732051] ? find_held_lock+0x2b/0x80 [ 42.732814] ? do_prlimit+0x310/0x610 [ 42.733511] ? __pfx_do_seccomp+0x10/0x10 [ 42.734276] ? do_raw_spin_unlock+0x53/0x220 [ 42.735087] ? _raw_spin_unlock+0x1e/0x40 [ 42.735841] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.736807] ? static_key_count+0x60/0x80 [ 42.737562] prctl_set_seccomp+0x4e/0x70 [ 42.738356] __do_sys_prctl+0xe6c/0x1d70 [ 42.739137] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.739982] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.740965] ? irqentry_exit+0xf3/0x650 [ 42.741739] do_syscall_64+0xbf/0x430 [ 42.742420] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.743344] RIP: 0033:0x7f77e448a5cd [ 42.744051] 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 [ 42.747170] RSP: 002b:00007ffe5d9bdc30 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.748544] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f77e448a5cd [ 42.749812] RDX: 0000560e01e30e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.751091] RBP: 00007ffe5d9bdc90 R08: 0000000000000000 R09: 00007ffe5d9bd330 [ 42.752351] R10: 0000000000000000 R11: 0000000000000246 R12: 0000560e25b4fad0 [ 42.753627] R13: 00007ffe5d9be0c0 R14: 0000560e25b50bc0 R15: 0000560e25b61780 [ 42.754711] [ 42.755081] irq event stamp: 1711 [ 42.755637] hardirqs last enabled at (1721): [] __up_console_sem+0x78/0x80 [ 42.756953] hardirqs last disabled at (1730): [] __up_console_sem+0x5d/0x80 [ 42.758257] softirqs last enabled at (1596): [] handle_softirqs+0x50c/0x770 [ 42.759576] softirqs last disabled at (1589): [] __irq_exit_rcu+0xc4/0x100 [ 42.760885] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:59022' (ECDSA) to the list of known hosts. 2025/11/19 01:29:00 fuzzer started 2025/11/19 01:29:00 dialing manager at localhost:34383 2025/11/19 01:29:00 checking machine... 2025/11/19 01:29:00 checking revisions... [ 43.652853] kmemleak: Automatic memory scanning thread ended 2025/11/19 01:29:00 testing simple program... [ 43.745160] cgroup: Unknown subsys name 'net' [ 43.802208] cgroup: Unknown subsys name 'cpuset' [ 43.814504] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program VM DIAGNOSIS: 01:28:59 Registers: info registers vcpu 0 RAX=0000000000000000 RBX=ffff88801684f7e0 RCX=ffff88801684f66c RDX=0000000000000000 RSI=ffffffff81a25c19 RDI=ffff88801684f7ec RBP=0000000000000007 RSP=ffff88801684f6f8 R8 =0000000000000001 R9 =ffff88801684f758 R10=000000000003c9ed R11=00000000000231c0 R12=ffff88801684f7e0 R13=0000000000000000 R14=ffff888016f9d340 R15=ffff88800944cc80 RIP=ffffffff816191c6 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 00007f766bed2900 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe4f00000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f766beb1020 CR3=000000000de9b000 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=38323a313020393120766f4e3e38333c XMM01=6d6f72662064657463656e6e6f637369 XMM02=2e303120746f6f722072657375206d6f XMM03=3a5d3134325b646873732039353a3832 XMM04=6456774875434142334f726f59427469 XMM05=485320415352203a3268737320343639 XMM06=206d6f726620746f6f7220726f662079 XMM07=00000000000000000000000000000000 XMM08=3a677562656420676f6c737973720000 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=ffffffff815d6c98 RBP=ffff888009757898 RSP=ffff888009757828 R8 =0000000000000001 R9 =ffff888009757880 R10=000000000003c9ed R11=0000000000023e35 R12=ffff888009757908 R13=0000000000000000 R14=ffff8880096fb780 R15=ffff888008c4b780 RIP=ffffffff8135e1d2 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 fffffe2800000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f826d49b020 CR3=000000000ee9b000 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=38323a313020393120766f4e3e36383c XMM01=7365733a646873732878696e755f6d61 XMM02=736f6c63206e6f6973736573203a296e XMM03=5f6d6170203a5d3134325b6468737320 XMM04=6456774875434142334f726f59427469 XMM05=485320415352203a3268737320343639 XMM06=206d6f726620746f6f7220726f662079 XMM07=00000000000000000000000000000000 XMM08=3a677562656420676f6c737973720000 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000