syzkaller login: [ 38.969045] ------------[ cut here ]------------ [ 38.969831] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 38.971935] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/232 [ 38.973138] Modules linked in: [ 38.973654] CPU: 1 UID: 104 PID: 232 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 38.975352] Tainted: [W]=WARN [ 38.975814] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 38.977045] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 38.977809] 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 [ 38.980456] RSP: 0018:ffff88801926fbc0 EFLAGS: 00010286 [ 38.981280] RAX: 0000000000000000 RBX: ffffed100324df78 RCX: ffffffff813a4050 [ 38.982344] RDX: ffff888017a6d340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 38.983422] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed100324df2f [ 38.984484] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 38.985567] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801926fdf8 [ 38.986644] FS: 00007f0fc8bb7900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 38.987831] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 38.988725] CR2: 00007fffede84ef7 CR3: 000000000e62f000 CR4: 0000000000350ef0 [ 38.989790] Call Trace: [ 38.990201] [ 38.990540] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 38.991289] ? __create_object+0x59/0x80 [ 38.991903] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 38.992718] __vmalloc_noprof+0x59/0x60 [ 38.993362] bpf_prog_alloc_no_stats+0x55/0x470 [ 38.994049] ? __pfx_seccomp_check_filter+0x10/0x10 [ 38.994830] bpf_prog_alloc+0x39/0x200 [ 38.995439] ? __pfx_seccomp_check_filter+0x10/0x10 [ 38.996214] bpf_prog_create_from_user+0xb2/0x2f0 [ 38.996940] do_seccomp+0x349/0x25e0 [ 38.997547] ? find_held_lock+0x2b/0x80 [ 38.998137] ? do_prlimit+0x310/0x610 [ 38.998742] ? __pfx_do_seccomp+0x10/0x10 [ 38.999386] ? do_raw_spin_unlock+0x53/0x220 [ 39.000044] ? _raw_spin_unlock+0x1e/0x40 [ 39.000711] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 39.001510] ? static_key_count+0x60/0x80 [ 39.002135] prctl_set_seccomp+0x4e/0x70 [ 39.002772] __do_sys_prctl+0xe6c/0x1d70 [ 39.003416] ? __pfx___do_sys_prctl+0x10/0x10 [ 39.004090] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 39.004901] ? irqentry_exit+0xf3/0x650 [ 39.005547] do_syscall_64+0xbf/0x430 [ 39.006119] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 39.006908] RIP: 0033:0x7f0fc90a95cd [ 39.007498] 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 [ 39.010143] RSP: 002b:00007fffede826c0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 39.011282] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f0fc90a95cd [ 39.012345] RDX: 0000562134d03e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 39.013427] RBP: 00007fffede82720 R08: 0000000000000000 R09: 00007fffede81dc0 [ 39.014495] R10: 0000000000000000 R11: 0000000000000246 R12: 0000562158f3cad0 [ 39.015570] R13: 00007fffede82b50 R14: 0000562158f3dbc0 R15: 0000562158f4e780 [ 39.016654] [ 39.017007] irq event stamp: 1747 [ 39.017543] hardirqs last enabled at (1757): [] __up_console_sem+0x78/0x80 [ 39.018812] hardirqs last disabled at (1766): [] __up_console_sem+0x5d/0x80 [ 39.020080] softirqs last enabled at (1272): [] handle_softirqs+0x50c/0x770 [ 39.021401] softirqs last disabled at (1261): [] __irq_exit_rcu+0xc4/0x100 [ 39.022666] ---[ end trace 0000000000000000 ]--- [ 42.160812] ------------[ cut here ]------------ [ 42.161744] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.163804] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/244 [ 42.165310] Modules linked in: [ 42.165914] CPU: 0 UID: 104 PID: 244 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 42.168142] Tainted: [W]=WARN [ 42.168826] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.170321] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.171252] 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 [ 42.174464] RSP: 0018:ffff888016b07bc0 EFLAGS: 00010286 [ 42.175452] RAX: 0000000000000000 RBX: ffffed1002d60f78 RCX: ffffffff813a4050 [ 42.176760] RDX: ffff888016fa3780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.178038] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002d60f2f [ 42.179335] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.180641] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888016b07df8 [ 42.181934] FS: 00007f2a32318900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 42.183393] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.184454] CR2: 00007ffe8368fef7 CR3: 000000001f200000 CR4: 0000000000350ef0 [ 42.185786] Call Trace: [ 42.186283] [ 42.186699] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.187599] ? __create_object+0x59/0x80 [ 42.188383] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.189374] __vmalloc_noprof+0x59/0x60 [ 42.190088] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.190958] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.191904] bpf_prog_alloc+0x39/0x200 [ 42.192680] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.193611] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.194526] do_seccomp+0x349/0x25e0 [ 42.195261] ? find_held_lock+0x2b/0x80 [ 42.195991] ? do_prlimit+0x310/0x610 [ 42.196752] ? __pfx_do_seccomp+0x10/0x10 [ 42.197542] ? do_raw_spin_unlock+0x53/0x220 [ 42.198387] ? _raw_spin_unlock+0x1e/0x40 [ 42.199140] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.200138] ? static_key_count+0x60/0x80 [ 42.200958] prctl_set_seccomp+0x4e/0x70 [ 42.201738] __do_sys_prctl+0xe6c/0x1d70 [ 42.202542] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.203417] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.204397] ? irqentry_exit+0xf3/0x650 [ 42.205139] do_syscall_64+0xbf/0x430 [ 42.205901] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.206869] RIP: 0033:0x7f2a3280a5cd [ 42.207583] 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 [ 42.210788] RSP: 002b:00007ffe8368ea30 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.212153] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f2a3280a5cd [ 42.213499] RDX: 000055aecd0bce00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.214776] RBP: 00007ffe8368ea90 R08: 0000000000000000 R09: 00007ffe8368e130 [ 42.216072] R10: 0000000000000000 R11: 0000000000000246 R12: 000055aeceb6fad0 [ 42.217364] R13: 00007ffe8368eec0 R14: 000055aeceb70bc0 R15: 000055aeceb81780 [ 42.218670] [ 42.219095] irq event stamp: 1795 [ 42.219743] hardirqs last enabled at (1805): [] __up_console_sem+0x78/0x80 [ 42.221289] hardirqs last disabled at (1814): [] __up_console_sem+0x5d/0x80 [ 42.222851] softirqs last enabled at (1696): [] handle_softirqs+0x50c/0x770 [ 42.224410] softirqs last disabled at (1685): [] __irq_exit_rcu+0xc4/0x100 [ 42.225820] ---[ end trace 0000000000000000 ]--- [ 43.000900] ------------[ cut here ]------------ [ 43.001831] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 43.003876] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/251 [ 43.005359] Modules linked in: [ 43.005956] CPU: 1 UID: 104 PID: 251 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 43.008300] Tainted: [W]=WARN [ 43.008875] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 43.010344] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 43.011247] 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 [ 43.014423] RSP: 0018:ffff88801712fbc0 EFLAGS: 00010286 [ 43.015425] RAX: 0000000000000000 RBX: ffffed1002e25f78 RCX: ffffffff813a4050 [ 43.016732] RDX: ffff88801585b780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 43.018022] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002e25f2f [ 43.019316] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 43.020626] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801712fdf8 [ 43.021936] FS: 00007f64e6f2c900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 43.023379] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 43.024454] CR2: 00007f64e74924a6 CR3: 0000000017b46000 CR4: 0000000000350ef0 [ 43.025765] Call Trace: [ 43.026280] [ 43.026694] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 43.027595] ? __create_object+0x59/0x80 [ 43.028388] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 43.029377] __vmalloc_noprof+0x59/0x60 [ 43.030098] bpf_prog_alloc_no_stats+0x55/0x470 [ 43.030973] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.031918] bpf_prog_alloc+0x39/0x200 [ 43.032669] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.033613] bpf_prog_create_from_user+0xb2/0x2f0 [ 43.034549] do_seccomp+0x349/0x25e0 [ 43.035277] ? find_held_lock+0x2b/0x80 [ 43.036003] ? do_prlimit+0x310/0x610 [ 43.036769] ? __pfx_do_seccomp+0x10/0x10 [ 43.037554] ? do_raw_spin_unlock+0x53/0x220 [ 43.038396] ? _raw_spin_unlock+0x1e/0x40 [ 43.039129] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 43.040107] ? static_key_count+0x60/0x80 [ 43.040944] prctl_set_seccomp+0x4e/0x70 [ 43.041722] __do_sys_prctl+0xe6c/0x1d70 [ 43.042523] ? __pfx___do_sys_prctl+0x10/0x10 [ 43.043398] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 43.044367] ? irqentry_exit+0xf3/0x650 [ 43.045116] do_syscall_64+0xbf/0x430 [ 43.045871] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 43.046833] RIP: 0033:0x7f64e741e5cd [ 43.047553] 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 [ 43.050774] RSP: 002b:00007fff3e1e4f30 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 43.052133] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f64e741e5cd [ 43.053427] RDX: 000055ccb3427e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 43.054548] RBP: 00007fff3e1e4f90 R08: 0000000000000000 R09: 00007fff3e1e4630 [ 43.055623] R10: 0000000000000000 R11: 0000000000000246 R12: 000055ccca667b10 [ 43.056714] R13: 00007fff3e1e53c0 R14: 000055ccca6682b0 R15: 000055ccca67c6f0 [ 43.057814] [ 43.058204] irq event stamp: 2749 [ 43.058710] hardirqs last enabled at (2757): [] __up_console_sem+0x78/0x80 [ 43.059988] hardirqs last disabled at (2766): [] __up_console_sem+0x5d/0x80 [ 43.061271] softirqs last enabled at (2736): [] handle_softirqs+0x50c/0x770 [ 43.062562] softirqs last disabled at (2731): [] __irq_exit_rcu+0xc4/0x100 [ 43.063847] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:44071' (ECDSA) to the list of known hosts. 2025/11/17 16:52:08 fuzzer started 2025/11/17 16:52:08 dialing manager at localhost:37895 2025/11/17 16:52:08 checking machine... 2025/11/17 16:52:08 checking revisions... [ 43.993490] kmemleak: Automatic memory scanning thread ended 2025/11/17 16:52:09 testing simple program... [ 44.078009] cgroup: Unknown subsys name 'net' [ 44.150014] cgroup: Unknown subsys name 'cpuset' [ 44.165935] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program VM DIAGNOSIS: 16:52:08 Registers: info registers vcpu 0 RAX=dffffc0000000000 RBX=ffff888009627818 RCX=0000000000000001 RDX=1ffff110012c4f04 RSI=ffff888009627db0 RDI=ffff888009627828 RBP=ffff888009627db0 RSP=ffff888009627770 R8 =ffffffff86a0b81c R9 =0000000000000000 R10=000000000003c9ed R11=0000000000008964 R12=0000000000000008 R13=ffff888009627860 R14=ffff888009627db8 R15=ffff888009627818 RIP=ffffffff8135e26f 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 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe2f00000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f9f2092c000 CR3=000000000dbd7000 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=2038303a32353a363120373120766f4e XMM01=657463656e6e6f63736944203a5d3334 XMM02=302e303120746f6f722072657375206d XMM03=203a5d3334325b646873732072656c6c XMM04=69662068637573206f4e203a656c6163 XMM05=3a656c696620766e65206e65706f206f XMM06=65733a6468737328766e655f6d617020 XMM07=6b7a79732037303a32353a3631203731 XMM08=30343d7974696c696261706163202279 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=00000000bb106ed2 RBX=00000000505e1842 RCX=ffff8880178005b0 RDX=000000000000000c RSI=000000004053d1b1 RDI=0000000000000003 RBP=0000000000000000 RSP=ffff888019b6f800 R8 =000000004bbfa364 R9 =ffff88806c918420 R10=0000000000000001 R11=0000000000000000 R12=0000000000000000 R13=0000000000000000 R14=ffff888019b6f868 R15=000000000000000c RIP=ffffffff82642486 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 00007f2a32318900 00000000 00000000 GS =0000 ffff8880e548f000 00000000 00000000 LDT=0000 fffffe2500000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007ffe83688000 CR3=000000000b67b000 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