syzkaller login: [ 46.282390] ------------[ cut here ]------------ [ 46.283478] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 46.285709] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/235 [ 46.287309] Modules linked in: [ 46.288001] CPU: 0 UID: 104 PID: 235 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 46.290147] Tainted: [W]=WARN [ 46.290790] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 46.292343] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 46.293304] 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 [ 46.296690] RSP: 0018:ffff888017247bc0 EFLAGS: 00010286 [ 46.297751] RAX: 0000000000000000 RBX: ffffed1002e48f78 RCX: ffffffff813a4050 [ 46.299109] RDX: ffff88801676d340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 46.300502] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002e48f2f [ 46.301862] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 46.303264] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888017247df8 [ 46.304636] FS: 00007f77efe9f900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 46.306186] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 46.307317] CR2: 00007ffe1eb8fef8 CR3: 000000000e5d8000 CR4: 0000000000350ef0 [ 46.308689] Call Trace: [ 46.309176] [ 46.309681] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 46.310644] ? __create_object+0x59/0x80 [ 46.311413] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 46.312441] __vmalloc_noprof+0x59/0x60 [ 46.313242] bpf_prog_alloc_no_stats+0x55/0x470 [ 46.314161] ? __pfx_seccomp_check_filter+0x10/0x10 [ 46.315150] bpf_prog_alloc+0x39/0x200 [ 46.315933] ? __pfx_seccomp_check_filter+0x10/0x10 [ 46.316921] bpf_prog_create_from_user+0xb2/0x2f0 [ 46.317862] do_seccomp+0x349/0x25e0 [ 46.318637] ? find_held_lock+0x2b/0x80 [ 46.319402] ? do_prlimit+0x310/0x610 [ 46.320202] ? __pfx_do_seccomp+0x10/0x10 [ 46.321044] ? do_raw_spin_unlock+0x53/0x220 [ 46.321923] ? _raw_spin_unlock+0x1e/0x40 [ 46.322776] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 46.323811] ? static_key_count+0x60/0x80 [ 46.324664] prctl_set_seccomp+0x4e/0x70 [ 46.325439] __do_sys_prctl+0xe6c/0x1d70 [ 46.326282] ? __pfx___do_sys_prctl+0x10/0x10 [ 46.327219] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 46.328248] ? irqentry_exit+0xf3/0x650 [ 46.329066] do_syscall_64+0xbf/0x430 [ 46.329878] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 46.330959] RIP: 0033:0x7f77f03915cd [ 46.331747] 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 [ 46.335288] RSP: 002b:00007ffe1eb8eea0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 46.336838] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f77f03915cd [ 46.338269] RDX: 000055a0b1646e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 46.339719] RBP: 00007ffe1eb8ef00 R08: 0000000000000000 R09: 00007ffe1eb8e5a0 [ 46.341148] R10: 0000000000000000 R11: 0000000000000246 R12: 000055a0e531fad0 [ 46.342595] R13: 00007ffe1eb8f330 R14: 000055a0e5320bc0 R15: 000055a0e5331780 [ 46.344060] [ 46.344575] irq event stamp: 1737 [ 46.345261] hardirqs last enabled at (1745): [] __up_console_sem+0x78/0x80 [ 46.346978] hardirqs last disabled at (1754): [] __up_console_sem+0x5d/0x80 [ 46.348685] softirqs last enabled at (1674): [] handle_softirqs+0x50c/0x770 [ 46.350405] softirqs last disabled at (1669): [] __irq_exit_rcu+0xc4/0x100 [ 46.352017] ---[ end trace 0000000000000000 ]--- [ 49.981540] ------------[ cut here ]------------ [ 49.982589] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 49.984840] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/242 [ 49.986482] Modules linked in: [ 49.987152] CPU: 0 UID: 104 PID: 242 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 49.989364] Tainted: [W]=WARN [ 49.990036] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 49.991704] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 49.992721] 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 [ 49.996131] RSP: 0018:ffff888019a4fbc0 EFLAGS: 00010286 [ 49.997150] RAX: 0000000000000000 RBX: ffffed1003349f78 RCX: ffffffff813a4050 [ 49.998473] RDX: ffff88801652d340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 49.999800] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1003349f2f [ 50.001111] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000400dc0 [ 50.002422] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888019a4fdf8 [ 50.003769] FS: 00007f8a02fd1900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 50.005243] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.006329] CR2: 00007f8a034c3580 CR3: 000000000e6d6000 CR4: 0000000000350ef0 [ 50.007663] Call Trace: [ 50.008136] [ 50.008602] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 50.009504] ? __create_object+0x59/0x80 [ 50.010255] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 50.011275] __vmalloc_noprof+0x59/0x60 [ 50.012079] bpf_prog_alloc_no_stats+0x55/0x470 [ 50.012989] ? __pfx_seccomp_check_filter+0x10/0x10 [ 50.013972] bpf_prog_alloc+0x39/0x200 [ 50.014761] ? __pfx_seccomp_check_filter+0x10/0x10 [ 50.015747] bpf_prog_create_from_user+0xb2/0x2f0 [ 50.016705] do_seccomp+0x349/0x25e0 [ 50.017421] ? __pfx_css_rstat_updated+0x10/0x10 [ 50.018366] ? __pfx_do_seccomp+0x10/0x10 [ 50.019204] ? find_held_lock+0x2b/0x80 [ 50.019969] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 50.020958] ? static_key_count+0x60/0x80 [ 50.021763] prctl_set_seccomp+0x4e/0x70 [ 50.022537] __do_sys_prctl+0xe6c/0x1d70 [ 50.023284] ? __pfx___do_sys_prctl+0x10/0x10 [ 50.024147] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 50.025103] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 50.026065] ? irqentry_exit+0xf3/0x650 [ 50.026846] do_syscall_64+0xbf/0x430 [ 50.027596] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 50.028549] RIP: 0033:0x7f8a034c35cd [ 50.029214] 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 [ 50.032394] RSP: 002b:00007fffe5feb830 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 50.033772] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f8a034c35cd [ 50.035131] RDX: 00005594dab1de00 RSI: 0000000000000002 RDI: 0000000000000016 [ 50.036280] RBP: 00007fffe5feb890 R08: 0000000000000000 R09: 00007fffe5feaf30 [ 50.037343] R10: 0000000000000000 R11: 0000000000000246 R12: 00005594fcff0240 [ 50.038435] R13: 00007fffe5febcc0 R14: 00005594fcff9380 R15: 00005594fd004540 [ 50.039557] [ 50.039913] irq event stamp: 1727 [ 50.040418] hardirqs last enabled at (1735): [] __up_console_sem+0x78/0x80 [ 50.041739] hardirqs last disabled at (1746): [] __up_console_sem+0x5d/0x80 [ 50.043037] softirqs last enabled at (1674): [] handle_softirqs+0x50c/0x770 [ 50.044332] softirqs last disabled at (1669): [] __irq_exit_rcu+0xc4/0x100 [ 50.045613] ---[ end trace 0000000000000000 ]--- [ 50.854311] ------------[ cut here ]------------ [ 50.855241] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 50.857301] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/250 [ 50.858773] Modules linked in: [ 50.859356] CPU: 0 UID: 104 PID: 250 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 50.861388] Tainted: [W]=WARN [ 50.861986] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 50.863488] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 50.864357] 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 [ 50.867541] RSP: 0018:ffff8880199c7bc0 EFLAGS: 00010286 [ 50.868514] RAX: 0000000000000000 RBX: ffffed1003338f78 RCX: ffffffff813a4050 [ 50.869814] RDX: ffff888017fe3780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 50.871091] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1003338f2f [ 50.872361] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 50.873657] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff8880199c7df8 [ 50.874952] FS: 00007f58df9a8900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 50.876384] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.877437] CR2: 00007ffdc6a8eef8 CR3: 000000001f416000 CR4: 0000000000350ef0 [ 50.878748] Call Trace: [ 50.879207] [ 50.879673] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 50.880562] ? __create_object+0x59/0x80 [ 50.881301] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 50.882278] __vmalloc_noprof+0x59/0x60 [ 50.883064] bpf_prog_alloc_no_stats+0x55/0x470 [ 50.883947] ? __pfx_seccomp_check_filter+0x10/0x10 [ 50.884890] bpf_prog_alloc+0x39/0x200 [ 50.885621] ? __pfx_seccomp_check_filter+0x10/0x10 [ 50.886550] bpf_prog_create_from_user+0xb2/0x2f0 [ 50.887435] do_seccomp+0x349/0x25e0 [ 50.888170] ? find_held_lock+0x2b/0x80 [ 50.888949] ? do_prlimit+0x310/0x610 [ 50.889695] ? __pfx_do_seccomp+0x10/0x10 [ 50.890444] ? do_raw_spin_unlock+0x53/0x220 [ 50.891283] ? _raw_spin_unlock+0x1e/0x40 [ 50.892072] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 50.893032] ? static_key_count+0x60/0x80 [ 50.893840] prctl_set_seccomp+0x4e/0x70 [ 50.894638] __do_sys_prctl+0xe6c/0x1d70 [ 50.895386] ? __pfx___do_sys_prctl+0x10/0x10 [ 50.896269] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 50.897235] ? irqentry_exit+0xf3/0x650 [ 50.898015] do_syscall_64+0xbf/0x430 [ 50.898780] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 50.899736] RIP: 0033:0x7f58dfe9a5cd [ 50.900403] 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 [ 50.903584] RSP: 002b:00007ffdc6a8cec0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 50.904936] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f58dfe9a5cd [ 50.906214] RDX: 000055a499606e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 50.907518] RBP: 00007ffdc6a8cf20 R08: 0000000000000000 R09: 00007ffdc6a8c5c0 [ 50.908799] R10: 0000000000000000 R11: 0000000000000246 R12: 000055a4b2f44ad0 [ 50.910069] R13: 00007ffdc6a8d350 R14: 000055a4b2f45bc0 R15: 000055a4b2f56780 [ 50.911373] [ 50.911838] irq event stamp: 1697 [ 50.912504] hardirqs last enabled at (1707): [] __up_console_sem+0x78/0x80 [ 50.914028] hardirqs last disabled at (1716): [] __up_console_sem+0x5d/0x80 [ 50.915570] softirqs last enabled at (1560): [] handle_softirqs+0x50c/0x770 [ 50.917117] softirqs last disabled at (1555): [] __irq_exit_rcu+0xc4/0x100 [ 50.918622] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:33377' (ECDSA) to the list of known hosts. 2025/11/17 15:43:15 fuzzer started 2025/11/17 15:43:16 dialing manager at localhost:37895 2025/11/17 15:43:16 checking machine... 2025/11/17 15:43:16 checking revisions... [ 51.846331] kmemleak: Automatic memory scanning thread ended 2025/11/17 15:43:16 testing simple program... [ 51.947683] cgroup: Unknown subsys name 'net' [ 52.040285] cgroup: Unknown subsys name 'cpuset' [ 52.056433] cgroup: Unknown subsys name 'rlimit' executing program executing program [ 58.099124] systemd-udevd (126) used greatest stack depth: 24192 bytes left VM DIAGNOSIS: 15:43:15 Registers: info registers vcpu 0 RAX=ffff888019b18000 RBX=0000000000000000 RCX=0000000000000001 RDX=0000000000000000 RSI=ffffffff8175a48f RDI=fffffbfff0bc3ffc RBP=ffffffff85e1ffe0 RSP=ffff88806ce08968 R8 =0000000000000000 R9 =0000000000000000 R10=0000000000000001 R11=0000000000000001 R12=0000000000000002 R13=0000000000000000 R14=0000000000000000 R15=0000000000000246 RIP=ffffffff81529333 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 00007f325d33f700 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=00007fffe5fe5000 CR3=000000000d15f000 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=656e6e6f637369642064657669656365 XMM02=63736964203a31313a38383034342074 XMM03=66207463656e6e6f6373696420646576 XMM04=6456774875434142334f726f59427469 XMM05=485320415352203a3268737320383830 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=000000222fd232c8 RBX=0000000000000000 RCX=00000000000006e0 RDX=0000000000000022 RSI=ffff88806cf23b00 RDI=0000000000052598 RBP=ffff88806cf23b00 RSP=ffff88806cf08ed8 R8 =0000000000000001 R9 =0000000000000000 R10=00000000000ebba2 R11=0000000000000001 R12=0000000000052598 R13=0000000000000000 R14=0000000000000000 R15=ffff88806cf28500 RIP=ffffffff8132e865 RFL=00000016 [----AP-] 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 fffffe0600000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f2b82dea018 CR3=000000000e767000 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=f821442c8f43dbbf3f400afd161d6f7a XMM02=2c67c8bc2e329bc30000000000304b60 XMM03=fb795ef6d657705600000000003104e8 XMM04=d323ec9f9b39dd6d00000000000ae988 XMM05=25a3176f6bd0817f00000000003219b8 XMM06=5b75c91c8044534200000000003202f0 XMM07=e042d86d42eb936e0000000000311638 XMM08=4d2028775c9a20a00000000000304bc0 XMM09=00000000000000000000000000000000 XMM10=20200000000020202020202020200000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000