syzkaller login: [ 39.391179] ------------[ cut here ]------------ [ 39.392183] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 39.394190] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/234 [ 39.395671] Modules linked in: [ 39.396275] CPU: 1 UID: 104 PID: 234 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 39.398233] Tainted: [W]=WARN [ 39.398826] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 39.400298] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 39.401222] 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 [ 39.404364] RSP: 0018:ffff88800eeafbc0 EFLAGS: 00010286 [ 39.405320] RAX: 0000000000000000 RBX: ffffed1001dd5f78 RCX: ffffffff813a4050 [ 39.406588] RDX: ffff88800f1e3780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 39.407852] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1001dd5f2f [ 39.409136] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000400dc0 [ 39.410394] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88800eeafdf8 [ 39.411667] FS: 00007f9fc4883900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 39.413105] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 39.414161] CR2: 00007f9fc4d75580 CR3: 000000000bb8f000 CR4: 0000000000350ef0 [ 39.415436] Call Trace: [ 39.415942] [ 39.416357] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 39.417254] ? __create_object+0x59/0x80 [ 39.418029] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.418998] __vmalloc_noprof+0x59/0x60 [ 39.419755] bpf_prog_alloc_no_stats+0x55/0x470 [ 39.420630] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.421562] bpf_prog_alloc+0x39/0x200 [ 39.422249] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.423165] bpf_prog_create_from_user+0xb2/0x2f0 [ 39.424067] do_seccomp+0x349/0x25e0 [ 39.424794] ? __pfx_css_rstat_updated+0x10/0x10 [ 39.425692] ? __pfx_do_seccomp+0x10/0x10 [ 39.426422] ? find_held_lock+0x2b/0x80 [ 39.427177] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 39.428129] ? static_key_count+0x60/0x80 [ 39.428928] prctl_set_seccomp+0x4e/0x70 [ 39.429706] __do_sys_prctl+0xe6c/0x1d70 [ 39.430436] ? __pfx___do_sys_prctl+0x10/0x10 [ 39.431280] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.432248] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 39.433217] ? irqentry_exit+0xf3/0x650 [ 39.433986] do_syscall_64+0xbf/0x430 [ 39.434704] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 39.435651] RIP: 0033:0x7f9fc4d755cd [ 39.436314] 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 [ 39.439474] RSP: 002b:00007ffd1af56b90 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 39.440866] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f9fc4d755cd [ 39.442133] RDX: 000055bb220b7e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 39.443398] RBP: 00007ffd1af56bf0 R08: 0000000000000000 R09: 00007ffd1af56290 [ 39.444691] R10: 0000000000000000 R11: 0000000000000246 R12: 000055bb51c4cbf0 [ 39.445966] R13: 00007ffd1af57020 R14: 000055bb51c56380 R15: 000055bb51c61460 [ 39.447245] [ 39.447695] irq event stamp: 1775 [ 39.448299] hardirqs last enabled at (1783): [] __up_console_sem+0x78/0x80 [ 39.449809] hardirqs last disabled at (1792): [] __up_console_sem+0x5d/0x80 [ 39.451325] softirqs last enabled at (1742): [] handle_softirqs+0x50c/0x770 [ 39.452872] softirqs last disabled at (1737): [] __irq_exit_rcu+0xc4/0x100 [ 39.454373] ---[ end trace 0000000000000000 ]--- [ 42.914695] ------------[ cut here ]------------ [ 42.915626] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.917977] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/242 [ 42.919455] Modules linked in: [ 42.920106] CPU: 0 UID: 104 PID: 242 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 42.922110] Tainted: [W]=WARN [ 42.922716] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.924162] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.925076] 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 [ 42.928197] RSP: 0018:ffff88800a4b7bc0 EFLAGS: 00010286 [ 42.929163] RAX: 0000000000000000 RBX: ffffed1001496f78 RCX: ffffffff813a4050 [ 42.930434] RDX: ffff88800f0fb780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.931687] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1001496f2f [ 42.932959] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.934212] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88800a4b7df8 [ 42.935472] FS: 00007fde77070900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 42.936915] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.937963] CR2: 00007ffd89b45ef8 CR3: 00000000208ff000 CR4: 0000000000350ef0 [ 42.939216] Call Trace: [ 42.939711] [ 42.940121] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.941016] ? __create_object+0x59/0x80 [ 42.941790] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.942753] __vmalloc_noprof+0x59/0x60 [ 42.943460] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.944345] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.945273] bpf_prog_alloc+0x39/0x200 [ 42.946006] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.946922] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.947831] do_seccomp+0x349/0x25e0 [ 42.948550] ? find_held_lock+0x2b/0x80 [ 42.949274] ? do_prlimit+0x310/0x610 [ 42.950013] ? __pfx_do_seccomp+0x10/0x10 [ 42.950790] ? do_raw_spin_unlock+0x53/0x220 [ 42.951622] ? _raw_spin_unlock+0x1e/0x40 [ 42.952358] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.953332] ? static_key_count+0x60/0x80 [ 42.954117] prctl_set_seccomp+0x4e/0x70 [ 42.954888] __do_sys_prctl+0xe6c/0x1d70 [ 42.955662] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.956475] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.957457] ? irqentry_exit+0xf3/0x650 [ 42.958223] do_syscall_64+0xbf/0x430 [ 42.958954] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.959917] RIP: 0033:0x7fde775625cd [ 42.960645] 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 [ 42.963795] RSP: 002b:00007ffd89b43ff0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.965152] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fde775625cd [ 42.966437] RDX: 0000564b408cee00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.967694] RBP: 00007ffd89b44050 R08: 0000000000000000 R09: 00007ffd89b436f0 [ 42.968979] R10: 0000000000000000 R11: 0000000000000246 R12: 0000564b698bcb10 [ 42.970240] R13: 00007ffd89b44480 R14: 0000564b698bd2b0 R15: 0000564b698d16f0 [ 42.971601] [ 42.972033] irq event stamp: 1759 [ 42.972674] hardirqs last enabled at (1769): [] __up_console_sem+0x78/0x80 [ 42.974188] hardirqs last disabled at (1778): [] __up_console_sem+0x5d/0x80 [ 42.975701] softirqs last enabled at (1748): [] handle_softirqs+0x50c/0x770 [ 42.977239] softirqs last disabled at (1735): [] __irq_exit_rcu+0xc4/0x100 [ 42.978734] ---[ end trace 0000000000000000 ]--- [ 43.759406] ------------[ cut here ]------------ [ 43.760445] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 43.762721] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/250 [ 43.764577] Modules linked in: [ 43.765243] CPU: 1 UID: 104 PID: 250 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 43.767529] Tainted: [W]=WARN [ 43.768142] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 43.769771] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 43.770788] 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 [ 43.774285] RSP: 0018:ffff8880164bfbc0 EFLAGS: 00010286 [ 43.775362] RAX: 0000000000000000 RBX: ffffed1002c97f78 RCX: ffffffff813a4050 [ 43.776795] RDX: ffff88801742b780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 43.778227] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002c97f2f [ 43.779655] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 43.781101] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff8880164bfdf8 [ 43.782535] FS: 00007f40e98b3900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 43.784130] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 43.785320] CR2: 00007f40e9da5580 CR3: 000000000cb57000 CR4: 0000000000350ef0 [ 43.786737] Call Trace: [ 43.787255] [ 43.787754] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 43.788772] ? __create_object+0x59/0x80 [ 43.789650] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 43.790739] __vmalloc_noprof+0x59/0x60 [ 43.791585] bpf_prog_alloc_no_stats+0x55/0x470 [ 43.792571] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.793617] bpf_prog_alloc+0x39/0x200 [ 43.794396] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.795417] bpf_prog_create_from_user+0xb2/0x2f0 [ 43.796440] do_seccomp+0x349/0x25e0 [ 43.797253] ? __pfx_css_rstat_updated+0x10/0x10 [ 43.798266] ? __pfx_do_seccomp+0x10/0x10 [ 43.799148] ? find_held_lock+0x2b/0x80 [ 43.800003] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 43.801109] ? static_key_count+0x60/0x80 [ 43.802011] prctl_set_seccomp+0x4e/0x70 [ 43.802893] __do_sys_prctl+0xe6c/0x1d70 [ 43.803788] ? __pfx___do_sys_prctl+0x10/0x10 [ 43.804787] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 43.805865] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 43.806959] ? irqentry_exit+0xf3/0x650 [ 43.807836] do_syscall_64+0xbf/0x430 [ 43.808697] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 43.809769] RIP: 0033:0x7f40e9da55cd [ 43.810568] 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 [ 43.814125] RSP: 002b:00007ffdac5e61c0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 43.815654] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f40e9da55cd [ 43.816992] RDX: 000055bd47242e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 43.818239] RBP: 00007ffdac5e6220 R08: 0000000000000000 R09: 00007ffdac5e58c0 [ 43.819520] R10: 0000000000000000 R11: 0000000000000246 R12: 000055bd6c448ad0 [ 43.820782] R13: 00007ffdac5e6650 R14: 000055bd6c449bc0 R15: 000055bd6c45a780 [ 43.822045] [ 43.822467] irq event stamp: 1837 [ 43.823095] hardirqs last enabled at (1847): [] __up_console_sem+0x78/0x80 [ 43.824594] hardirqs last disabled at (1856): [] __up_console_sem+0x5d/0x80 [ 43.825942] softirqs last enabled at (1784): [] handle_softirqs+0x50c/0x770 [ 43.827174] softirqs last disabled at (1779): [] __irq_exit_rcu+0xc4/0x100 [ 43.828393] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:62594' (ECDSA) to the list of known hosts. 2025/11/17 09:55:18 fuzzer started 2025/11/17 09:55:18 dialing manager at localhost:37895 2025/11/17 09:55:18 checking machine... 2025/11/17 09:55:18 checking revisions... [ 44.718281] kmemleak: Automatic memory scanning thread ended 2025/11/17 09:55:19 testing simple program... [ 44.800076] cgroup: Unknown subsys name 'net' [ 44.858972] cgroup: Unknown subsys name 'cpuset' [ 44.875575] cgroup: Unknown subsys name 'rlimit' executing program executing program VM DIAGNOSIS: 09:55:18 Registers: info registers vcpu 0 RAX=dffffc0000000000 RBX=0000000000000001 RCX=ffffffff84c6acde RDX=000000000003c6ac RSI=000000000003c6ac RDI=ffffffff86fb5484 RBP=ffff88806ce08ab8 RSP=ffff88806ce089f0 R8 =0000000000000000 R9 =0000000000000000 R10=000000000003c9ed R11=0000000000000001 R12=ffff88806ce08ac0 R13=ffff88806ce08aa8 R14=ffff88806ce08aa1 R15=ffff88806ce08a60 RIP=ffffffff8135e5e2 RFL=00000217 [----APC] 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 00007fde77070900 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe5100000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007ffd89b3e000 CR3=0000000020987000 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=0000000000022a5d 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=00000202 [-------] 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 fffffe4400000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007ffbd25f1020 CR3=000000000dcf1000 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=89427d2f5b5202bf1845aa53a79b9982 XMM02=ec2efd57dc4c00df0000000000302870 XMM03=7e59ffdc164990540000000000302940 XMM04=8c6ddefdc8f3515400000000000ae988 XMM05=090f1556b20111b3000000000031eec0 XMM06=7433b09afb8b949c0000000000318b70 XMM07=e042d86d42eb936e000000000030e848 XMM08=7e59ffdc164990540000000000302940 XMM09=00000000000000000000000000000000 XMM10=20200000000020202020202020200000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000