syzkaller login: [ 39.442092] ------------[ cut here ]------------ [ 39.443042] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 39.445040] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/231 [ 39.446508] Modules linked in: [ 39.447149] CPU: 1 UID: 104 PID: 231 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 39.449113] Tainted: [W]=WARN [ 39.449667] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 39.451139] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 39.452036] 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 [ 39.455169] RSP: 0018:ffff88800d6dfbc0 EFLAGS: 00010286 [ 39.456138] RAX: 0000000000000000 RBX: ffffed1001adbf78 RCX: ffffffff813a4050 [ 39.457418] RDX: ffff888013f2d340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 39.458695] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1001adbf2f [ 39.459968] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 39.461231] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88800d6dfdf8 [ 39.462529] FS: 00007f9a0ebcd900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 39.463951] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 39.465012] CR2: 00007ffc7459cef8 CR3: 000000000df6d000 CR4: 0000000000350ef0 [ 39.466314] Call Trace: [ 39.466772] [ 39.467234] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 39.468133] ? __create_object+0x59/0x80 [ 39.468903] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.469873] __vmalloc_noprof+0x59/0x60 [ 39.470585] bpf_prog_alloc_no_stats+0x55/0x470 [ 39.471464] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.472382] bpf_prog_alloc+0x39/0x200 [ 39.473104] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.474034] bpf_prog_create_from_user+0xb2/0x2f0 [ 39.474915] do_seccomp+0x349/0x25e0 [ 39.475582] ? find_held_lock+0x2b/0x80 [ 39.476343] ? do_prlimit+0x310/0x610 [ 39.477071] ? __pfx_do_seccomp+0x10/0x10 [ 39.477869] ? do_raw_spin_unlock+0x53/0x220 [ 39.478653] ? _raw_spin_unlock+0x1e/0x40 [ 39.479438] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 39.480392] ? static_key_count+0x60/0x80 [ 39.481192] prctl_set_seccomp+0x4e/0x70 [ 39.481973] __do_sys_prctl+0xe6c/0x1d70 [ 39.482699] ? __pfx___do_sys_prctl+0x10/0x10 [ 39.483556] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 39.484516] ? irqentry_exit+0xf3/0x650 [ 39.485269] do_syscall_64+0xbf/0x430 [ 39.486018] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 39.486952] RIP: 0033:0x7f9a0f0bf5cd [ 39.487601] 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 [ 39.490746] RSP: 002b:00007ffc7459b550 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 39.492102] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f9a0f0bf5cd [ 39.493363] RDX: 00005578f5292e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 39.494646] RBP: 00007ffc7459b5b0 R08: 0000000000000000 R09: 00007ffc7459ac50 [ 39.495929] R10: 0000000000000000 R11: 0000000000000246 R12: 000055790d6dfad0 [ 39.497192] R13: 00007ffc7459b9e0 R14: 000055790d6e0bc0 R15: 000055790d6f1780 [ 39.498482] [ 39.498943] irq event stamp: 1785 [ 39.499550] hardirqs last enabled at (1793): [] __up_console_sem+0x78/0x80 [ 39.501062] hardirqs last disabled at (1802): [] __up_console_sem+0x5d/0x80 [ 39.502591] softirqs last enabled at (1752): [] handle_softirqs+0x50c/0x770 [ 39.504122] softirqs last disabled at (1747): [] __irq_exit_rcu+0xc4/0x100 [ 39.505640] ---[ end trace 0000000000000000 ]--- [ 42.386647] ------------[ cut here ]------------ [ 42.387178] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.388210] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/242 [ 42.388899] Modules linked in: [ 42.389177] CPU: 0 UID: 104 PID: 242 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 42.390122] Tainted: [W]=WARN [ 42.390382] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.391065] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.391481] 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 [ 42.393172] RSP: 0018:ffff8880194cfbc0 EFLAGS: 00010286 [ 42.393613] RAX: 0000000000000000 RBX: ffffed1003299f78 RCX: ffffffff813a4050 [ 42.394225] RDX: ffff888016ffb780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.394829] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1003299f2f [ 42.395413] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.396006] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff8880194cfdf8 [ 42.396607] FS: 00007fb347655900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 42.397284] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.397771] CR2: 00007fb347b47580 CR3: 0000000020559000 CR4: 0000000000350ef0 [ 42.398373] Call Trace: [ 42.398587] [ 42.398796] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.399200] ? __create_object+0x59/0x80 [ 42.399544] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.399996] __vmalloc_noprof+0x59/0x60 [ 42.400331] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.400720] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.401161] bpf_prog_alloc+0x39/0x200 [ 42.401488] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.401923] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.402338] do_seccomp+0x349/0x25e0 [ 42.402655] ? __pfx_css_rstat_updated+0x10/0x10 [ 42.403075] ? __pfx_do_seccomp+0x10/0x10 [ 42.403422] ? find_held_lock+0x2b/0x80 [ 42.403763] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.404213] ? static_key_count+0x60/0x80 [ 42.404572] prctl_set_seccomp+0x4e/0x70 [ 42.404933] __do_sys_prctl+0xe6c/0x1d70 [ 42.405287] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.405667] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.406123] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.406562] ? irqentry_exit+0xf3/0x650 [ 42.406924] do_syscall_64+0xbf/0x430 [ 42.407253] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.407683] RIP: 0033:0x7fb347b475cd [ 42.408010] 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 [ 42.409503] RSP: 002b:00007ffeeed02ce0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.410144] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fb347b475cd [ 42.410714] RDX: 000055feb01f7e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.411314] RBP: 00007ffeeed02d40 R08: 0000000000000000 R09: 00007ffeeed023e0 [ 42.411917] R10: 0000000000000000 R11: 0000000000000246 R12: 000055feb069dad0 [ 42.412602] R13: 00007ffeeed03170 R14: 000055feb069ebc0 R15: 000055feb06af780 [ 42.413215] [ 42.413409] irq event stamp: 1733 [ 42.413686] hardirqs last enabled at (1741): [] __up_console_sem+0x78/0x80 [ 42.414414] hardirqs last disabled at (1750): [] __up_console_sem+0x5d/0x80 [ 42.415122] softirqs last enabled at (1296): [] handle_softirqs+0x50c/0x770 [ 42.415836] softirqs last disabled at (1769): [] __irq_exit_rcu+0xc4/0x100 [ 42.416501] ---[ end trace 0000000000000000 ]--- [ 43.217043] ------------[ cut here ]------------ [ 43.218009] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 43.220017] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/249 [ 43.221509] Modules linked in: [ 43.222180] CPU: 0 UID: 104 PID: 249 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 43.224163] Tainted: [W]=WARN [ 43.224702] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 43.226214] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 43.227118] 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 [ 43.230313] RSP: 0018:ffff88800f80fbc0 EFLAGS: 00010286 [ 43.231296] RAX: 0000000000000000 RBX: ffffed1001f01f78 RCX: ffffffff813a4050 [ 43.232593] RDX: ffff88800f9b1bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 43.233926] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1001f01f2f [ 43.235188] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 43.236476] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88800f80fdf8 [ 43.237821] FS: 00007fce23425900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 43.239282] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 43.240352] CR2: 00007fce23917580 CR3: 0000000020686000 CR4: 0000000000350ef0 [ 43.241631] Call Trace: [ 43.242169] [ 43.242581] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 43.243480] ? __create_object+0x59/0x80 [ 43.244251] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 43.245233] __vmalloc_noprof+0x59/0x60 [ 43.246045] bpf_prog_alloc_no_stats+0x55/0x470 [ 43.246918] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.247864] bpf_prog_alloc+0x39/0x200 [ 43.248547] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.249477] bpf_prog_create_from_user+0xb2/0x2f0 [ 43.250414] do_seccomp+0x349/0x25e0 [ 43.251139] ? __pfx_css_rstat_updated+0x10/0x10 [ 43.252044] ? __pfx_do_seccomp+0x10/0x10 [ 43.252836] ? find_held_lock+0x2b/0x80 [ 43.253546] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 43.254558] ? static_key_count+0x60/0x80 [ 43.255382] prctl_set_seccomp+0x4e/0x70 [ 43.256150] __do_sys_prctl+0xe6c/0x1d70 [ 43.256940] ? __pfx___do_sys_prctl+0x10/0x10 [ 43.257765] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 43.258759] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 43.259728] ? irqentry_exit+0xf3/0x650 [ 43.260488] do_syscall_64+0xbf/0x430 [ 43.261239] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 43.262226] RIP: 0033:0x7fce239175cd [ 43.262945] 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 [ 43.266122] RSP: 002b:00007ffc613a4dc0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 43.267474] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fce239175cd [ 43.268760] RDX: 0000558580db2e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 43.270134] RBP: 00007ffc613a4e20 R08: 0000000000000000 R09: 00007ffc613a44c0 [ 43.271241] R10: 0000000000000000 R11: 0000000000000246 R12: 00005585830f6b10 [ 43.272288] R13: 00007ffc613a5250 R14: 00005585830f72b0 R15: 000055858310b6f0 [ 43.273349] [ 43.273699] irq event stamp: 1791 [ 43.274260] hardirqs last enabled at (1801): [] __up_console_sem+0x78/0x80 [ 43.275510] hardirqs last disabled at (1810): [] __up_console_sem+0x5d/0x80 [ 43.276771] softirqs last enabled at (1586): [] handle_softirqs+0x50c/0x770 [ 43.278086] softirqs last disabled at (1581): [] __irq_exit_rcu+0xc4/0x100 [ 43.279347] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:63874' (ECDSA) to the list of known hosts. 2025/11/17 21:09:59 fuzzer started 2025/11/17 21:09:59 dialing manager at localhost:37895 2025/11/17 21:09:59 checking machine... 2025/11/17 21:09:59 checking revisions... [ 44.215153] kmemleak: Automatic memory scanning thread ended 2025/11/17 21:10:00 testing simple program... [ 44.297608] cgroup: Unknown subsys name 'net' [ 44.350763] cgroup: Unknown subsys name 'cpuset' [ 44.368298] cgroup: Unknown subsys name 'rlimit' executing program executing program VM DIAGNOSIS: 21:09:59 Registers: info registers vcpu 0 RAX=0000000000000000 RBX=ffffffff81daa690 RCX=ffffffff815d6ab0 RDX=ffff888009611bc0 RSI=ffffffff81c0342e RDI=ffff88801b5279b0 RBP=ffff88801b5279b0 RSP=ffff888009627c18 R8 =0000000000000000 R9 =fffffbfff0cc9eca R10=ffffffff8664f657 R11=0000000000000001 R12=000000000000000a R13=ffff888009627cb8 R14=ffffffff815d6b03 R15=0000000000000009 RIP=ffffffff81daa696 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 fffffe4300000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007fb347c0d0b0 CR3=0000000020537000 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=ffffffffffffffffffffffff00000000 XMM01=000000000000000000005500746f6f72 XMM02=ff000000000000000000000000000000 XMM03=5320444f4854454d5f54505952434e45 XMM04=40404040404040404040404040404040 XMM05=5a5a5a5a5a5a5a5a5a5a5a5a5a5a5a5a XMM06=20202020202020202020202020202020 XMM07=00000000000000000000000000000000 XMM08=000a687361622f6e69622f3a746f6f72 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=000000000002a969 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 fffffe2f00000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007ffcfc7a8a58 CR3=000000000cd8f000 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=2038353a39303a313220373120766f4e XMM01=73732878696e755f6d6170203a5d3134 XMM02=65736f6c63206e6f6973736573203a29 XMM03=755f6d6170203a5d3134325b64687373 XMM04=69662068637573206f4e203a656c6163 XMM05=3a656c696620766e65206e65706f206f XMM06=65733a6468737328766e655f6d617020 XMM07=6b7a79732038353a39303a3132203731 XMM08=30343d7974696c696261706163202279 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000