syzkaller login: [ 39.149715] ------------[ cut here ]------------ [ 39.150631] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 39.152675] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/232 [ 39.154219] Modules linked in: [ 39.154870] CPU: 0 UID: 104 PID: 232 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 39.156882] Tainted: [W]=WARN [ 39.157488] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 39.158998] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 39.159926] 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 [ 39.163121] RSP: 0018:ffff8880178f7bc0 EFLAGS: 00010286 [ 39.164115] RAX: 0000000000000000 RBX: ffffed1002f1ef78 RCX: ffffffff813a4050 [ 39.165415] RDX: ffff888019d6d340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 39.166744] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002f1ef2f [ 39.168028] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000400dc0 [ 39.169321] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff8880178f7df8 [ 39.170614] FS: 00007fb36a51c900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 39.172057] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 39.173121] CR2: 00007fff4a619ef7 CR3: 000000000eca0000 CR4: 0000000000350ef0 [ 39.174415] Call Trace: [ 39.174934] [ 39.175350] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 39.176253] ? __create_object+0x59/0x80 [ 39.177040] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.178039] __vmalloc_noprof+0x59/0x60 [ 39.178804] bpf_prog_alloc_no_stats+0x55/0x470 [ 39.179691] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.180633] bpf_prog_alloc+0x39/0x200 [ 39.181334] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.182280] bpf_prog_create_from_user+0xb2/0x2f0 [ 39.183180] do_seccomp+0x349/0x25e0 [ 39.183916] ? find_held_lock+0x2b/0x80 [ 39.184682] ? do_prlimit+0x310/0x610 [ 39.185396] ? __pfx_do_seccomp+0x10/0x10 [ 39.186212] ? do_raw_spin_unlock+0x53/0x220 [ 39.187044] ? _raw_spin_unlock+0x1e/0x40 [ 39.187818] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 39.188801] ? static_key_count+0x60/0x80 [ 39.189605] prctl_set_seccomp+0x4e/0x70 [ 39.190356] __do_sys_prctl+0xe6c/0x1d70 [ 39.191141] ? __pfx___do_sys_prctl+0x10/0x10 [ 39.191982] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 39.192968] ? irqentry_exit+0xf3/0x650 [ 39.193744] do_syscall_64+0xbf/0x430 [ 39.194517] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 39.195419] RIP: 0033:0x7fb36aa0e5cd [ 39.196141] 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 [ 39.199327] RSP: 002b:00007fff4a617510 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 39.200694] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fb36aa0e5cd [ 39.202006] RDX: 0000558c7e28de00 RSI: 0000000000000002 RDI: 0000000000000016 [ 39.203305] RBP: 00007fff4a617570 R08: 0000000000000000 R09: 00007fff4a616c10 [ 39.204592] R10: 0000000000000000 R11: 0000000000000246 R12: 0000558c9142a2b0 [ 39.205886] R13: 00007fff4a6179a0 R14: 0000558c9142cd20 R15: 0000558c9143e8d0 [ 39.207213] [ 39.207684] irq event stamp: 1805 [ 39.208292] hardirqs last enabled at (1813): [] __up_console_sem+0x78/0x80 [ 39.209822] hardirqs last disabled at (1822): [] __up_console_sem+0x5d/0x80 [ 39.211372] softirqs last enabled at (1772): [] handle_softirqs+0x50c/0x770 [ 39.212943] softirqs last disabled at (1841): [] __irq_exit_rcu+0xc4/0x100 [ 39.214485] ---[ end trace 0000000000000000 ]--- [ 42.290760] ------------[ cut here ]------------ [ 42.291670] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.293706] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/244 [ 42.295163] Modules linked in: [ 42.295803] CPU: 0 UID: 104 PID: 244 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 42.298007] Tainted: [W]=WARN [ 42.298671] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.300119] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.301024] 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 [ 42.304149] RSP: 0018:ffff8880173d7bc0 EFLAGS: 00010286 [ 42.305117] RAX: 0000000000000000 RBX: ffffed1002e7af78 RCX: ffffffff813a4050 [ 42.306394] RDX: ffff888016cfb780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.307653] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002e7af2f [ 42.308920] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.310200] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff8880173d7df8 [ 42.311489] FS: 00007f3b51bb3900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 42.312907] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.313960] CR2: 00007f3b520a5580 CR3: 000000000d210000 CR4: 0000000000350ef0 [ 42.315237] Call Trace: [ 42.315725] [ 42.316130] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.317020] ? __create_object+0x59/0x80 [ 42.317797] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.318779] __vmalloc_noprof+0x59/0x60 [ 42.319533] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.320345] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.321265] bpf_prog_alloc+0x39/0x200 [ 42.322009] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.322938] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.323834] do_seccomp+0x349/0x25e0 [ 42.324562] ? __pfx_css_rstat_updated+0x10/0x10 [ 42.325405] ? __pfx_do_seccomp+0x10/0x10 [ 42.326220] ? find_held_lock+0x2b/0x80 [ 42.326990] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.327965] ? static_key_count+0x60/0x80 [ 42.328790] prctl_set_seccomp+0x4e/0x70 [ 42.329581] __do_sys_prctl+0xe6c/0x1d70 [ 42.330336] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.331199] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.332180] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.333159] ? irqentry_exit+0xf3/0x650 [ 42.333932] do_syscall_64+0xbf/0x430 [ 42.334711] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.335671] RIP: 0033:0x7f3b520a55cd [ 42.336343] 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 [ 42.339551] RSP: 002b:00007ffd7199f590 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.340929] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f3b520a55cd [ 42.342252] RDX: 00005614ed796e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.343539] RBP: 00007ffd7199f5f0 R08: 0000000000000000 R09: 00007ffd7199ec90 [ 42.344835] R10: 0000000000000000 R11: 0000000000000246 R12: 0000561516437bf0 [ 42.346138] R13: 00007ffd7199fa20 R14: 0000561516441380 R15: 000056151644c460 [ 42.347480] [ 42.347907] irq event stamp: 1869 [ 42.348567] hardirqs last enabled at (1879): [] __up_console_sem+0x78/0x80 [ 42.350126] hardirqs last disabled at (1888): [] __up_console_sem+0x5d/0x80 [ 42.351659] softirqs last enabled at (1762): [] handle_softirqs+0x50c/0x770 [ 42.353207] softirqs last disabled at (1757): [] __irq_exit_rcu+0xc4/0x100 [ 42.354747] ---[ end trace 0000000000000000 ]--- [ 43.060165] ------------[ cut here ]------------ [ 43.061133] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 43.063169] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/251 [ 43.064641] Modules linked in: [ 43.065236] CPU: 0 UID: 104 PID: 251 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 43.067252] Tainted: [W]=WARN [ 43.067856] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 43.069336] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 43.070276] 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 [ 43.073465] RSP: 0018:ffff8880173c7bc0 EFLAGS: 00010286 [ 43.074408] RAX: 0000000000000000 RBX: ffffed1002e78f78 RCX: ffffffff813a4050 [ 43.075731] RDX: ffff888017940000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 43.077005] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002e78f2f [ 43.078299] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000400dc0 [ 43.079578] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff8880173c7df8 [ 43.080866] FS: 00007f9282a49900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 43.082334] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 43.083411] CR2: 00007fff365c0ef7 CR3: 000000000d573000 CR4: 0000000000350ef0 [ 43.084721] Call Trace: [ 43.085194] [ 43.085654] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 43.086562] ? __create_object+0x59/0x80 [ 43.087299] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 43.088271] __vmalloc_noprof+0x59/0x60 [ 43.089036] bpf_prog_alloc_no_stats+0x55/0x470 [ 43.089916] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.090865] bpf_prog_alloc+0x39/0x200 [ 43.091622] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.092579] bpf_prog_create_from_user+0xb2/0x2f0 [ 43.093485] do_seccomp+0x349/0x25e0 [ 43.094185] ? find_held_lock+0x2b/0x80 [ 43.094955] ? do_prlimit+0x310/0x610 [ 43.095702] ? __pfx_do_seccomp+0x10/0x10 [ 43.096506] ? do_raw_spin_unlock+0x53/0x220 [ 43.097302] ? _raw_spin_unlock+0x1e/0x40 [ 43.098094] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 43.099054] ? static_key_count+0x60/0x80 [ 43.099881] prctl_set_seccomp+0x4e/0x70 [ 43.100662] __do_sys_prctl+0xe6c/0x1d70 [ 43.101401] ? __pfx___do_sys_prctl+0x10/0x10 [ 43.102272] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 43.103251] ? irqentry_exit+0xf3/0x650 [ 43.104027] do_syscall_64+0xbf/0x430 [ 43.104778] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 43.105729] RIP: 0033:0x7f9282f3b5cd [ 43.106405] 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 [ 43.109588] RSP: 002b:00007fff365bf840 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 43.110960] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f9282f3b5cd [ 43.112257] RDX: 000055cbc3b89e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 43.113551] RBP: 00007fff365bf8a0 R08: 0000000000000000 R09: 00007fff365bef40 [ 43.114838] R10: 0000000000000000 R11: 0000000000000246 R12: 000055cbcabd2bf0 [ 43.116110] R13: 00007fff365bfcd0 R14: 000055cbcabdc380 R15: 000055cbcabe7460 [ 43.117496] [ 43.117924] irq event stamp: 1795 [ 43.118587] hardirqs last enabled at (1811): [] __up_console_sem+0x78/0x80 [ 43.119658] hardirqs last disabled at (1820): [] __up_console_sem+0x5d/0x80 [ 43.120728] softirqs last enabled at (1808): [] handle_softirqs+0x50c/0x770 [ 43.121816] softirqs last disabled at (1803): [] __irq_exit_rcu+0xc4/0x100 [ 43.122889] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:54016' (ECDSA) to the list of known hosts. 2025/11/18 06:07:34 fuzzer started 2025/11/18 06:07:34 dialing manager at localhost:37895 2025/11/18 06:07:34 checking machine... 2025/11/18 06:07:34 checking revisions... [ 44.036357] kmemleak: Automatic memory scanning thread ended 2025/11/18 06:07:34 testing simple program... [ 44.119829] cgroup: Unknown subsys name 'net' [ 44.170674] cgroup: Unknown subsys name 'cpuset' [ 44.183706] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program VM DIAGNOSIS: 06:07:33 Registers: info registers vcpu 0 RAX=000000000000000a RBX=0000000000000002 RCX=ffff888016f6f344 RDX=0000000000000003 RSI=ffffffff85e1ffe0 RDI=ffff88801c140000 RBP=ffffffff85e1ffe0 RSP=ffff888016f6f308 R8 =ffffffff86ab82c2 R9 =ffff888016f6f430 R10=000000000003c9ed R11=00000000000255cb R12=ffff88801c140aa8 R13=ffff888016f6f344 R14=0000000000000003 R15=0000000000000003 RIP=ffffffff815221f3 RFL=00000006 [-----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 00007f3b51bb3900 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe6300000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f3b51b78008 CR3=000000000eca3000 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=000000000002427d 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 fffffe6a00000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007fcbc9463028 CR3=000000000ebd5000 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=37303a363020383120766f4e3e36383c XMM01=7365733a646873732878696e755f6d61 XMM02=736f6c63206e6f6973736573203a296e XMM03=5f6d6170203a5d3334325b6468737320 XMM04=6456774875434142334f726f59427469 XMM05=485320415352203a3268737320363430 XMM06=206d6f726620746f6f7220726f662079 XMM07=00000000000000000000000000000000 XMM08=3a677562656420676f6c737973720000 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000