syzkaller login: [ 45.906837] ------------[ cut here ]------------ [ 45.907872] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 45.910219] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/232 [ 45.911839] Modules linked in: [ 45.912594] CPU: 1 UID: 104 PID: 232 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 45.915034] Tainted: [W]=WARN [ 45.915845] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 45.917512] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 45.918519] 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 [ 45.922059] RSP: 0018:ffff8880160b7bc0 EFLAGS: 00010286 [ 45.923201] RAX: 0000000000000000 RBX: ffffed1002c16f78 RCX: ffffffff813a4050 [ 45.924665] RDX: ffff888016b9b780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 45.926096] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002c16f2f [ 45.927526] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 45.928980] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff8880160b7df8 [ 45.930398] FS: 00007f8c6432f900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 45.931997] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 45.933209] CR2: 00007fff10c91ef7 CR3: 000000000b94e000 CR4: 0000000000350ef0 [ 45.934626] Call Trace: [ 45.935167] [ 45.935624] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 45.936648] ? __create_object+0x59/0x80 [ 45.937509] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 45.938562] __vmalloc_noprof+0x59/0x60 [ 45.939397] bpf_prog_alloc_no_stats+0x55/0x470 [ 45.940408] ? __pfx_seccomp_check_filter+0x10/0x10 [ 45.941434] bpf_prog_alloc+0x39/0x200 [ 45.942268] ? __pfx_seccomp_check_filter+0x10/0x10 [ 45.943298] bpf_prog_create_from_user+0xb2/0x2f0 [ 45.944349] do_seccomp+0x349/0x25e0 [ 45.945156] ? find_held_lock+0x2b/0x80 [ 45.945936] ? do_prlimit+0x310/0x610 [ 45.946746] ? __pfx_do_seccomp+0x10/0x10 [ 45.947640] ? do_raw_spin_unlock+0x53/0x220 [ 45.948615] ? _raw_spin_unlock+0x1e/0x40 [ 45.949502] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 45.950562] ? static_key_count+0x60/0x80 [ 45.951450] prctl_set_seccomp+0x4e/0x70 [ 45.952328] __do_sys_prctl+0xe6c/0x1d70 [ 45.953242] ? __pfx___do_sys_prctl+0x10/0x10 [ 45.954253] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 45.955349] ? irqentry_exit+0xf3/0x650 [ 45.956237] do_syscall_64+0xbf/0x430 [ 45.957131] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 45.958215] RIP: 0033:0x7f8c648215cd [ 45.958959] 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 [ 45.962643] RSP: 002b:00007fff10c90890 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 45.964253] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f8c648215cd [ 45.965791] RDX: 00005653eb0a1e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 45.967300] RBP: 00007fff10c908f0 R08: 0000000000000000 R09: 00007fff10c8ff90 [ 45.968849] R10: 0000000000000000 R11: 0000000000000246 R12: 000056540cd87ad0 [ 45.970381] R13: 00007fff10c90d20 R14: 000056540cd88bc0 R15: 000056540cd99780 [ 45.971896] [ 45.972380] irq event stamp: 1843 [ 45.972970] hardirqs last enabled at (1851): [] __up_console_sem+0x78/0x80 [ 45.974438] hardirqs last disabled at (1860): [] __up_console_sem+0x5d/0x80 [ 45.975899] softirqs last enabled at (1800): [] handle_softirqs+0x50c/0x770 [ 45.977407] softirqs last disabled at (1785): [] __irq_exit_rcu+0xc4/0x100 [ 45.978842] ---[ end trace 0000000000000000 ]--- [ 49.397648] ------------[ cut here ]------------ [ 49.398612] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 49.400696] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/241 [ 49.402210] Modules linked in: [ 49.402812] CPU: 0 UID: 104 PID: 241 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 49.404833] Tainted: [W]=WARN [ 49.405438] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 49.406909] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 49.407844] 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 [ 49.411086] RSP: 0018:ffff888016f67bc0 EFLAGS: 00010286 [ 49.412040] RAX: 0000000000000000 RBX: ffffed1002decf78 RCX: ffffffff813a4050 [ 49.413369] RDX: ffff888016b99bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 49.414672] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002decf2f [ 49.415995] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 49.417293] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888016f67df8 [ 49.418589] FS: 00007f5537c60900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 49.420055] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 49.421146] CR2: 00007f55381c64a6 CR3: 000000001f666000 CR4: 0000000000350ef0 [ 49.422451] Call Trace: [ 49.422921] [ 49.423372] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 49.424303] ? __create_object+0x59/0x80 [ 49.425053] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 49.426050] __vmalloc_noprof+0x59/0x60 [ 49.426826] bpf_prog_alloc_no_stats+0x55/0x470 [ 49.427729] ? __pfx_seccomp_check_filter+0x10/0x10 [ 49.428667] bpf_prog_alloc+0x39/0x200 [ 49.429424] ? __pfx_seccomp_check_filter+0x10/0x10 [ 49.430374] bpf_prog_create_from_user+0xb2/0x2f0 [ 49.431289] do_seccomp+0x349/0x25e0 [ 49.431980] ? find_held_lock+0x2b/0x80 [ 49.432765] ? do_prlimit+0x310/0x610 [ 49.433537] ? __pfx_do_seccomp+0x10/0x10 [ 49.434342] ? do_raw_spin_unlock+0x53/0x220 [ 49.435191] ? _raw_spin_unlock+0x1e/0x40 [ 49.435952] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 49.436941] ? static_key_count+0x60/0x80 [ 49.437766] prctl_set_seccomp+0x4e/0x70 [ 49.438559] __do_sys_prctl+0xe6c/0x1d70 [ 49.439370] ? __pfx___do_sys_prctl+0x10/0x10 [ 49.440268] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 49.441268] ? irqentry_exit+0xf3/0x650 [ 49.442007] do_syscall_64+0xbf/0x430 [ 49.442773] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 49.443758] RIP: 0033:0x7f55381525cd [ 49.444498] 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 [ 49.447796] RSP: 002b:00007ffcd4215170 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 49.449195] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f55381525cd [ 49.450514] RDX: 0000563bd9ec3e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 49.451849] RBP: 00007ffcd42151d0 R08: 0000000000000000 R09: 00007ffcd4214870 [ 49.452988] R10: 0000000000000000 R11: 0000000000000246 R12: 0000563c10d88ad0 [ 49.454028] R13: 00007ffcd4215600 R14: 0000563c10d89bc0 R15: 0000563c10d9a780 [ 49.455097] [ 49.455451] irq event stamp: 1737 [ 49.455952] hardirqs last enabled at (1745): [] __up_console_sem+0x78/0x80 [ 49.457189] hardirqs last disabled at (1754): [] __up_console_sem+0x5d/0x80 [ 49.458422] softirqs last enabled at (1648): [] handle_softirqs+0x50c/0x770 [ 49.459680] softirqs last disabled at (1643): [] __irq_exit_rcu+0xc4/0x100 [ 49.460915] ---[ end trace 0000000000000000 ]--- [ 50.269487] ------------[ cut here ]------------ [ 50.270431] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 50.272483] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/248 [ 50.273966] Modules linked in: [ 50.274614] CPU: 0 UID: 104 PID: 248 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 50.276632] Tainted: [W]=WARN [ 50.277240] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 50.278715] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 50.279673] 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 [ 50.282882] RSP: 0018:ffff888015df7bc0 EFLAGS: 00010286 [ 50.283876] RAX: 0000000000000000 RBX: ffffed1002bbef78 RCX: ffffffff813a4050 [ 50.285175] RDX: ffff88800ac25340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 50.286457] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002bbef2f [ 50.287750] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000400dc0 [ 50.289046] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888015df7df8 [ 50.290354] FS: 00007f773936e900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 50.291808] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.292880] CR2: 00007fff266b2ef7 CR3: 000000000e34e000 CR4: 0000000000350ef0 [ 50.294177] Call Trace: [ 50.294635] [ 50.295037] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 50.295956] ? __create_object+0x59/0x80 [ 50.296746] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 50.297716] __vmalloc_noprof+0x59/0x60 [ 50.298479] bpf_prog_alloc_no_stats+0x55/0x470 [ 50.299367] ? __pfx_seccomp_check_filter+0x10/0x10 [ 50.300336] bpf_prog_alloc+0x39/0x200 [ 50.301041] ? __pfx_seccomp_check_filter+0x10/0x10 [ 50.301982] bpf_prog_create_from_user+0xb2/0x2f0 [ 50.302903] do_seccomp+0x349/0x25e0 [ 50.303629] ? find_held_lock+0x2b/0x80 [ 50.304395] ? do_prlimit+0x310/0x610 [ 50.305158] ? __pfx_do_seccomp+0x10/0x10 [ 50.305908] ? do_raw_spin_unlock+0x53/0x220 [ 50.306745] ? _raw_spin_unlock+0x1e/0x40 [ 50.307549] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 50.308518] ? static_key_count+0x60/0x80 [ 50.309334] prctl_set_seccomp+0x4e/0x70 [ 50.310111] __do_sys_prctl+0xe6c/0x1d70 [ 50.310863] ? __pfx___do_sys_prctl+0x10/0x10 [ 50.311748] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 50.312721] ? irqentry_exit+0xf3/0x650 [ 50.313493] do_syscall_64+0xbf/0x430 [ 50.314245] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 50.315204] RIP: 0033:0x7f77398605cd [ 50.315880] 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 [ 50.319109] RSP: 002b:00007fff266b1c70 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 50.320515] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f77398605cd [ 50.321809] RDX: 0000559cc329ce00 RSI: 0000000000000002 RDI: 0000000000000016 [ 50.323101] RBP: 00007fff266b1cd0 R08: 0000000000000000 R09: 00007fff266b1370 [ 50.324402] R10: 0000000000000000 R11: 0000000000000246 R12: 0000559cc9f0aad0 [ 50.325699] R13: 00007fff266b2100 R14: 0000559cc9f0bbc0 R15: 0000559cc9f1c780 [ 50.327012] [ 50.327509] irq event stamp: 1757 [ 50.328158] hardirqs last enabled at (1767): [] __up_console_sem+0x78/0x80 [ 50.329692] hardirqs last disabled at (1776): [] __up_console_sem+0x5d/0x80 [ 50.331226] softirqs last enabled at (1678): [] handle_softirqs+0x50c/0x770 [ 50.332812] softirqs last disabled at (1667): [] __irq_exit_rcu+0xc4/0x100 [ 50.334330] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:52274' (ECDSA) to the list of known hosts. 2025/11/17 14:37:01 fuzzer started 2025/11/17 14:37:02 dialing manager at localhost:37895 2025/11/17 14:37:02 checking machine... 2025/11/17 14:37:02 checking revisions... [ 51.227383] kmemleak: Automatic memory scanning thread ended 2025/11/17 14:37:02 testing simple program... [ 51.313519] cgroup: Unknown subsys name 'net' [ 51.371297] cgroup: Unknown subsys name 'cpuset' [ 51.386296] cgroup: Unknown subsys name 'rlimit' executing program executing program VM DIAGNOSIS: 14:37:01 Registers: info registers vcpu 0 RAX=0000000000000000 RBX=0000000000000000 RCX=ffffffff817d9976 RDX=0000000000000000 RSI=0000000000000008 RDI=ffffffff8664f650 RBP=ffff888009627c18 RSP=ffff888009627b58 R8 =00000000626738f7 R9 =ffff88806bc71da0 R10=000000000003c9ed R11=0000000000000000 R12=0000000000000200 R13=0000000000000000 R14=ffff888009292280 R15=ffff8880096c7dc0 RIP=ffffffff81b2cf04 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 0000000000000000 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe6a00000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007ffcd420f000 CR3=000000001f659000 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 info registers vcpu 1 RAX=ffff888009643780 RBX=0000000000000000 RCX=0000000000000001 RDX=0000000000000000 RSI=ffffffff8135e4bd RDI=fffffbfff0bc3ffc RBP=ffffffff85e1ffe0 RSP=ffff88806cf08960 R8 =0000000000000000 R9 =0000000000000000 R10=000000000003c9ed R11=0000000000025767 R12=0000000000000002 R13=0000000000000000 R14=0000000000000000 R15=ffff88806cf08a50 RIP=ffffffff81529330 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 fffffe0b00000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007fff586927e8 CR3=000000000e6e3000 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=37333a343120373120766f4e3e36383c XMM01=7365733a646873732878696e755f6d61 XMM02=736f6c63206e6f6973736573203a296e XMM03=5f6d6170203a5d3034325b6468737320 XMM04=6456774875434142334f726f59427469 XMM05=485320415352203a3268737320303735 XMM06=206d6f726620746f6f7220726f662079 XMM07=00000000000000000000000000000000 XMM08=3a677562656420676f6c737973720000 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000