syzkaller login: [ 38.983584] ------------[ cut here ]------------ [ 38.984578] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 38.986796] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/233 [ 38.988370] Modules linked in: [ 38.989083] CPU: 0 UID: 104 PID: 233 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 38.991206] Tainted: [W]=WARN [ 38.991863] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 38.993468] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 38.994465] 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 [ 38.997870] RSP: 0018:ffff888016effbc0 EFLAGS: 00010286 [ 38.998923] RAX: 0000000000000000 RBX: ffffed1002ddff78 RCX: ffffffff813a4050 [ 39.000314] RDX: ffff88800ed48000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 39.001711] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002ddff2f [ 39.003091] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000400dc0 [ 39.004467] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888016effdf8 [ 39.005854] FS: 00007f08a1c17900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 39.007389] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 39.008521] CR2: 00007fff7d5f7ef8 CR3: 0000000009b5d000 CR4: 0000000000350ef0 [ 39.009939] Call Trace: [ 39.010431] [ 39.010920] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 39.011895] ? __create_object+0x59/0x80 [ 39.012774] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.013814] __vmalloc_noprof+0x59/0x60 [ 39.014579] bpf_prog_alloc_no_stats+0x55/0x470 [ 39.015523] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.016533] bpf_prog_alloc+0x39/0x200 [ 39.017368] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.018414] bpf_prog_create_from_user+0xb2/0x2f0 [ 39.019424] do_seccomp+0x349/0x25e0 [ 39.020230] ? find_held_lock+0x2b/0x80 [ 39.021105] ? do_prlimit+0x310/0x610 [ 39.021937] ? __pfx_do_seccomp+0x10/0x10 [ 39.022802] ? do_raw_spin_unlock+0x53/0x220 [ 39.023720] ? _raw_spin_unlock+0x1e/0x40 [ 39.024537] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 39.025620] ? static_key_count+0x60/0x80 [ 39.026494] prctl_set_seccomp+0x4e/0x70 [ 39.027350] __do_sys_prctl+0xe6c/0x1d70 [ 39.028185] ? __pfx___do_sys_prctl+0x10/0x10 [ 39.029120] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 39.030154] ? irqentry_exit+0xf3/0x650 [ 39.030978] do_syscall_64+0xbf/0x430 [ 39.031785] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 39.032817] RIP: 0033:0x7f08a21095cd [ 39.033518] 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 [ 39.036892] RSP: 002b:00007fff7d5f5dd0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 39.038370] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f08a21095cd [ 39.039744] RDX: 000055e36bc1ee00 RSI: 0000000000000002 RDI: 0000000000000016 [ 39.041132] RBP: 00007fff7d5f5e30 R08: 0000000000000000 R09: 00007fff7d5f54d0 [ 39.042509] R10: 0000000000000000 R11: 0000000000000246 R12: 000055e3739d5bf0 [ 39.043887] R13: 00007fff7d5f6260 R14: 000055e3739df380 R15: 000055e3739ea460 [ 39.045299] [ 39.045788] irq event stamp: 1789 [ 39.046423] hardirqs last enabled at (1797): [] __up_console_sem+0x78/0x80 [ 39.048034] hardirqs last disabled at (1806): [] __up_console_sem+0x5d/0x80 [ 39.049702] softirqs last enabled at (1834): [] handle_softirqs+0x50c/0x770 [ 39.051080] softirqs last disabled at (1815): [] __irq_exit_rcu+0xc4/0x100 [ 39.052439] ---[ end trace 0000000000000000 ]--- [ 41.875053] ------------[ cut here ]------------ [ 41.875860] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 41.877839] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/242 [ 41.879342] Modules linked in: [ 41.879964] CPU: 1 UID: 104 PID: 242 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 41.881895] Tainted: [W]=WARN [ 41.882371] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 41.883879] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 41.884609] 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 [ 41.887352] RSP: 0018:ffff888010a0fbc0 EFLAGS: 00010286 [ 41.888195] RAX: 0000000000000000 RBX: ffffed1002141f78 RCX: ffffffff813a4050 [ 41.889291] RDX: ffff8880176bb780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 41.890377] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002141f2f [ 41.891469] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 41.892556] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888010a0fdf8 [ 41.893680] FS: 00007f1c5c74f900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 41.894902] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 41.895798] CR2: 00007ffe7af00ef8 CR3: 000000000e462000 CR4: 0000000000350ef0 [ 41.896898] Call Trace: [ 41.897284] [ 41.897675] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 41.898386] ? __create_object+0x59/0x80 [ 41.899061] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 41.899918] __vmalloc_noprof+0x59/0x60 [ 41.900513] bpf_prog_alloc_no_stats+0x55/0x470 [ 41.901275] ? __pfx_seccomp_check_filter+0x10/0x10 [ 41.902068] bpf_prog_alloc+0x39/0x200 [ 41.902698] ? __pfx_seccomp_check_filter+0x10/0x10 [ 41.903439] bpf_prog_create_from_user+0xb2/0x2f0 [ 41.904226] do_seccomp+0x349/0x25e0 [ 41.904871] ? find_held_lock+0x2b/0x80 [ 41.905470] ? do_prlimit+0x310/0x610 [ 41.906112] ? __pfx_do_seccomp+0x10/0x10 [ 41.906795] ? do_raw_spin_unlock+0x53/0x220 [ 41.907449] ? _raw_spin_unlock+0x1e/0x40 [ 41.908134] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 41.908977] ? static_key_count+0x60/0x80 [ 41.909601] prctl_set_seccomp+0x4e/0x70 [ 41.910269] __do_sys_prctl+0xe6c/0x1d70 [ 41.910938] ? __pfx___do_sys_prctl+0x10/0x10 [ 41.911613] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 41.912461] ? irqentry_exit+0xf3/0x650 [ 41.913142] do_syscall_64+0xbf/0x430 [ 41.913792] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 41.914547] RIP: 0033:0x7f1c5cc415cd [ 41.915160] 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 [ 41.917895] RSP: 002b:00007ffe7aeff960 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 41.919070] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f1c5cc415cd [ 41.920183] RDX: 000055c0f109fe00 RSI: 0000000000000002 RDI: 0000000000000016 [ 41.921296] RBP: 00007ffe7aeff9c0 R08: 0000000000000000 R09: 00007ffe7aeff060 [ 41.922396] R10: 0000000000000000 R11: 0000000000000246 R12: 000055c119608ad0 [ 41.923497] R13: 00007ffe7aeffdf0 R14: 000055c119609bc0 R15: 000055c11961a780 [ 41.924691] [ 41.925060] irq event stamp: 1825 [ 41.925566] hardirqs last enabled at (1833): [] __up_console_sem+0x78/0x80 [ 41.926883] hardirqs last disabled at (1842): [] __up_console_sem+0x5d/0x80 [ 41.928196] softirqs last enabled at (1762): [] handle_softirqs+0x50c/0x770 [ 41.929559] softirqs last disabled at (1861): [] __irq_exit_rcu+0xc4/0x100 [ 41.930893] ---[ end trace 0000000000000000 ]--- [ 42.493774] ------------[ cut here ]------------ [ 42.494849] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.496897] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/249 [ 42.498380] Modules linked in: [ 42.500414] CPU: 1 UID: 104 PID: 249 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 42.502667] Tainted: [W]=WARN [ 42.503247] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.504801] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.505750] 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 [ 42.508991] RSP: 0018:ffff88801973fbc0 EFLAGS: 00010286 [ 42.509997] RAX: 0000000000000000 RBX: ffffed10032e7f78 RCX: ffffffff813a4050 [ 42.511324] RDX: ffff88800f6d8000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.512682] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed10032e7f2f [ 42.514041] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.515355] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801973fdf8 [ 42.516690] FS: 00007f9be5485900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 42.518194] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.519240] CR2: 00007f9be5977580 CR3: 000000001db8d000 CR4: 0000000000350ef0 [ 42.520514] Call Trace: [ 42.521027] [ 42.521436] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.522335] ? __create_object+0x59/0x80 [ 42.523113] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.524083] __vmalloc_noprof+0x59/0x60 [ 42.524841] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.525711] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.526599] bpf_prog_alloc+0x39/0x200 [ 42.527341] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.528282] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.529196] do_seccomp+0x349/0x25e0 [ 42.529914] ? __pfx_css_rstat_updated+0x10/0x10 [ 42.530806] ? __pfx_do_seccomp+0x10/0x10 [ 42.531553] ? find_held_lock+0x2b/0x80 [ 42.532308] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.533274] ? static_key_count+0x60/0x80 [ 42.534081] prctl_set_seccomp+0x4e/0x70 [ 42.534856] __do_sys_prctl+0xe6c/0x1d70 [ 42.535587] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.536435] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.537404] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.538363] ? irqentry_exit+0xf3/0x650 [ 42.539130] do_syscall_64+0xbf/0x430 [ 42.539876] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.540846] RIP: 0033:0x7f9be59775cd [ 42.541498] 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 [ 42.544646] RSP: 002b:00007fff5b63b4e0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.546044] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f9be59775cd [ 42.547303] RDX: 000055b91dfc4e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.548587] RBP: 00007fff5b63b540 R08: 0000000000000000 R09: 00007fff5b63abe0 [ 42.549880] R10: 0000000000000000 R11: 0000000000000246 R12: 000055b93cb152b0 [ 42.551157] R13: 00007fff5b63b970 R14: 000055b93cb17d20 R15: 000055b93cb298d0 [ 42.552440] [ 42.552899] irq event stamp: 2061 [ 42.553467] hardirqs last enabled at (2069): [] __up_console_sem+0x78/0x80 [ 42.554736] hardirqs last disabled at (2078): [] __up_console_sem+0x5d/0x80 [ 42.556006] softirqs last enabled at (2028): [] handle_softirqs+0x50c/0x770 [ 42.557291] softirqs last disabled at (2023): [] __irq_exit_rcu+0xc4/0x100 [ 42.558560] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:39726' (ECDSA) to the list of known hosts. 2025/11/17 21:32:29 fuzzer started 2025/11/17 21:32:29 dialing manager at localhost:37895 2025/11/17 21:32:29 checking machine... 2025/11/17 21:32:29 checking revisions... [ 43.376884] kmemleak: Automatic memory scanning thread ended 2025/11/17 21:32:29 testing simple program... [ 43.480982] cgroup: Unknown subsys name 'net' [ 43.555097] cgroup: Unknown subsys name 'cpuset' [ 43.575296] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program VM DIAGNOSIS: 21:32:28 Registers: info registers vcpu 0 RAX=ffff888016309bc0 RBX=0000000000000000 RCX=0000000000000001 RDX=0000000000000000 RSI=ffffffff8175a48f RDI=fffffbfff0bc3ffc RBP=ffffffff85e1ffe0 RSP=ffff88806ce08938 R8 =0000000000000000 R9 =0000000000000000 R10=0000000000000001 R11=0000000000000001 R12=0000000000000002 R13=0000000000000000 R14=0000000000000000 R15=0000000000000246 RIP=ffffffff81529332 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 00007f455e6e3700 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe3d00000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f1c5c714008 CR3=000000000cad2000 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=6d6f72662064657463656e6e6f637369 XMM02=2e303120746f6f722072657375206d6f XMM03=3a5d3134325b646873732038323a3233 XMM04=6456774875434142334f726f59427469 XMM05=485320415352203a3268737320363832 XMM06=206d6f726620746f6f7220726f662079 XMM07=00000000000000000000000000000000 XMM08=3a677562656420676f6c737973720000 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=dffffc0000000000 RBX=ffff8880175f7a78 RCX=ffff8880175f7904 RDX=1ffff11002ebef5d RSI=ffffffff81b2a0b4 RDI=ffff8880175f7a84 RBP=ffff8880175f7ae8 RSP=ffff8880175f7990 R8 =ffffffff86a49c3a R9 =ffff8880175f79f0 R10=000000000003c9ed R11=0000000000012f69 R12=ffff8880175f7a78 R13=0000000000000000 R14=ffff8880176bd340 R15=ffff88800945d280 RIP=ffffffff81619077 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 00007f1c5c74f900 00000000 00000000 GS =0000 ffff8880e548f000 00000000 00000000 LDT=0000 fffffe1600000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f76eaeed618 CR3=000000001d8a3000 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=30e3a20a07b9a8bcfa4d641db9babe53 XMM02=0000000000302a78eff9b2d0a8fce9cb XMM03=0000000000302b482c67c8bc2e329bc3 XMM04=fc22091cd490a29c00000000000ae988 XMM05=090f1556b20111b3000000000031eae0 XMM06=5b75c91c80445342000000000031e968 XMM07=e042d86d42eb936e000000000030e410 XMM08=acdaac5fb37329240000000000302b48 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000