syzkaller login: [ 38.973550] ------------[ cut here ]------------ [ 38.974508] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 38.976552] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/233 [ 38.978034] Modules linked in: [ 38.978610] CPU: 1 UID: 104 PID: 233 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 38.980627] Tainted: [W]=WARN [ 38.981232] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 38.982710] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 38.983649] 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 [ 38.986854] RSP: 0018:ffff888019847bc0 EFLAGS: 00010286 [ 38.987809] RAX: 0000000000000000 RBX: ffffed1003308f78 RCX: ffffffff813a4050 [ 38.989084] RDX: ffff888013a80000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 38.990390] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1003308f2f [ 38.991679] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000400dc0 [ 38.992975] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888019847df8 [ 38.994315] FS: 00007fa792ed6900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 38.995776] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 38.996849] CR2: 00007fa7933c8580 CR3: 000000000b7f3000 CR4: 0000000000350ef0 [ 38.998151] Call Trace: [ 38.998613] [ 38.999059] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 38.999917] ? __create_object+0x59/0x80 [ 39.000712] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.001681] __vmalloc_noprof+0x59/0x60 [ 39.002477] bpf_prog_alloc_no_stats+0x55/0x470 [ 39.003350] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.004298] bpf_prog_alloc+0x39/0x200 [ 39.004992] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.005948] bpf_prog_create_from_user+0xb2/0x2f0 [ 39.006853] do_seccomp+0x349/0x25e0 [ 39.007574] ? __pfx_css_rstat_updated+0x10/0x10 [ 39.008473] ? __pfx_do_seccomp+0x10/0x10 [ 39.009268] ? find_held_lock+0x2b/0x80 [ 39.010069] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 39.011049] ? static_key_count+0x60/0x80 [ 39.011823] prctl_set_seccomp+0x4e/0x70 [ 39.012599] __do_sys_prctl+0xe6c/0x1d70 [ 39.013390] ? __pfx___do_sys_prctl+0x10/0x10 [ 39.014272] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.015274] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 39.016251] ? irqentry_exit+0xf3/0x650 [ 39.016984] do_syscall_64+0xbf/0x430 [ 39.017736] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 39.018720] RIP: 0033:0x7fa7933c85cd [ 39.019419] 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 [ 39.022639] RSP: 002b:00007ffeb2507210 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 39.024047] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fa7933c85cd [ 39.025337] RDX: 0000564c58b43e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 39.026655] RBP: 00007ffeb2507270 R08: 0000000000000000 R09: 00007ffeb2506910 [ 39.027937] R10: 0000000000000000 R11: 0000000000000246 R12: 0000564c7184c2b0 [ 39.029226] R13: 00007ffeb25076a0 R14: 0000564c7184ed20 R15: 0000564c718608d0 [ 39.030553] [ 39.030927] irq event stamp: 1753 [ 39.031474] hardirqs last enabled at (1763): [] __up_console_sem+0x78/0x80 [ 39.032748] hardirqs last disabled at (1772): [] __up_console_sem+0x5d/0x80 [ 39.034028] softirqs last enabled at (1278): [] handle_softirqs+0x50c/0x770 [ 39.035319] softirqs last disabled at (1267): [] __irq_exit_rcu+0xc4/0x100 [ 39.036575] ---[ end trace 0000000000000000 ]--- [ 41.794391] ------------[ cut here ]------------ [ 41.795290] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 41.797285] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/242 [ 41.798700] Modules linked in: [ 41.799563] CPU: 0 UID: 104 PID: 242 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 41.801578] Tainted: [W]=WARN [ 41.802187] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 41.803626] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 41.804526] 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 [ 41.807640] RSP: 0018:ffff8880166ffbc0 EFLAGS: 00010286 [ 41.808601] RAX: 0000000000000000 RBX: ffffed1002cdff78 RCX: ffffffff813a4050 [ 41.809856] RDX: ffff888015ca8000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 41.811132] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002cdff2f [ 41.812387] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 41.813643] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff8880166ffdf8 [ 41.814910] FS: 00007efecac74900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 41.816311] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 41.817358] CR2: 00007efecb166580 CR3: 000000000e5e3000 CR4: 0000000000350ef0 [ 41.818617] Call Trace: [ 41.819111] [ 41.819515] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 41.820394] ? __create_object+0x59/0x80 [ 41.821177] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 41.822143] __vmalloc_noprof+0x59/0x60 [ 41.822844] bpf_prog_alloc_no_stats+0x55/0x470 [ 41.823702] ? __pfx_seccomp_check_filter+0x10/0x10 [ 41.824611] bpf_prog_alloc+0x39/0x200 [ 41.825336] ? __pfx_seccomp_check_filter+0x10/0x10 [ 41.826261] bpf_prog_create_from_user+0xb2/0x2f0 [ 41.827141] do_seccomp+0x349/0x25e0 [ 41.827802] ? __pfx_css_rstat_updated+0x10/0x10 [ 41.828679] ? __pfx_do_seccomp+0x10/0x10 [ 41.829447] ? find_held_lock+0x2b/0x80 [ 41.830209] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 41.831159] ? static_key_count+0x60/0x80 [ 41.831895] prctl_set_seccomp+0x4e/0x70 [ 41.832655] __do_sys_prctl+0xe6c/0x1d70 [ 41.833413] ? __pfx___do_sys_prctl+0x10/0x10 [ 41.834269] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 41.835221] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 41.836174] ? irqentry_exit+0xf3/0x650 [ 41.836891] do_syscall_64+0xbf/0x430 [ 41.837613] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 41.838556] RIP: 0033:0x7efecb1665cd [ 41.839246] 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 [ 41.842363] RSP: 002b:00007fffaca081c0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 41.843696] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007efecb1665cd [ 41.844967] RDX: 000055908dc28e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 41.846249] RBP: 00007fffaca08220 R08: 0000000000000000 R09: 00007fffaca078c0 [ 41.847497] R10: 0000000000000000 R11: 0000000000000246 R12: 00005590b1426ad0 [ 41.848751] R13: 00007fffaca08650 R14: 00005590b1427bc0 R15: 00005590b1438780 [ 41.850041] [ 41.850458] irq event stamp: 1831 [ 41.851110] hardirqs last enabled at (1847): [] __up_console_sem+0x78/0x80 [ 41.852613] hardirqs last disabled at (1856): [] __up_console_sem+0x5d/0x80 [ 41.854113] softirqs last enabled at (1844): [] handle_softirqs+0x50c/0x770 [ 41.855622] softirqs last disabled at (1839): [] __irq_exit_rcu+0xc4/0x100 [ 41.857109] ---[ end trace 0000000000000000 ]--- [ 42.510514] ------------[ cut here ]------------ [ 42.511037] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.512125] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/249 [ 42.512872] Modules linked in: [ 42.513345] CPU: 0 UID: 104 PID: 249 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 42.514444] Tainted: [W]=WARN [ 42.514739] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.515521] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.515985] 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 [ 42.517678] RSP: 0018:ffff888019ff7bc0 EFLAGS: 00010286 [ 42.518210] RAX: 0000000000000000 RBX: ffffed10033fef78 RCX: ffffffff813a4050 [ 42.518867] RDX: ffff888015ca9bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.519549] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed10033fef2f [ 42.520223] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.520871] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888019ff7df8 [ 42.521560] FS: 00007fd00668f900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 42.522335] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.522871] CR2: 00007ffea600fef7 CR3: 000000000dcc4000 CR4: 0000000000350ef0 [ 42.523554] Call Trace: [ 42.523798] [ 42.524036] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.524489] ? __create_object+0x59/0x80 [ 42.524877] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.525397] __vmalloc_noprof+0x59/0x60 [ 42.525775] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.526244] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.526709] bpf_prog_alloc+0x39/0x200 [ 42.527097] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.527557] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.528032] do_seccomp+0x349/0x25e0 [ 42.528389] ? find_held_lock+0x2b/0x80 [ 42.528767] ? do_prlimit+0x310/0x610 [ 42.529165] ? __pfx_do_seccomp+0x10/0x10 [ 42.529557] ? do_raw_spin_unlock+0x53/0x220 [ 42.529976] ? _raw_spin_unlock+0x1e/0x40 [ 42.530389] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.530872] ? static_key_count+0x60/0x80 [ 42.531298] prctl_set_seccomp+0x4e/0x70 [ 42.531682] __do_sys_prctl+0xe6c/0x1d70 [ 42.532091] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.532520] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.533024] ? irqentry_exit+0xf3/0x650 [ 42.533405] do_syscall_64+0xbf/0x430 [ 42.533769] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.534283] RIP: 0033:0x7fd006b815cd [ 42.534628] 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 [ 42.536294] RSP: 002b:00007ffea600e420 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.537030] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fd006b815cd [ 42.537688] RDX: 0000555873bb7e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.538372] RBP: 00007ffea600e480 R08: 0000000000000000 R09: 00007ffea600db20 [ 42.539042] R10: 0000000000000000 R11: 0000000000000246 R12: 0000555883887ad0 [ 42.539689] R13: 00007ffea600e8b0 R14: 0000555883888bc0 R15: 0000555883899780 [ 42.540374] [ 42.540596] irq event stamp: 1849 [ 42.540913] hardirqs last enabled at (1857): [] __up_console_sem+0x78/0x80 [ 42.541715] hardirqs last disabled at (1866): [] __up_console_sem+0x5d/0x80 [ 42.542522] softirqs last enabled at (1400): [] handle_softirqs+0x50c/0x770 [ 42.543328] softirqs last disabled at (1379): [] __irq_exit_rcu+0xc4/0x100 [ 42.544115] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:21563' (ECDSA) to the list of known hosts. 2025/11/18 04:37:16 fuzzer started 2025/11/18 04:37:16 dialing manager at localhost:37895 2025/11/18 04:37:16 checking machine... 2025/11/18 04:37:16 checking revisions... [ 43.441463] kmemleak: Automatic memory scanning thread ended 2025/11/18 04:37:16 testing simple program... [ 43.530946] cgroup: Unknown subsys name 'net' [ 43.582375] cgroup: Unknown subsys name 'cpuset' [ 43.596390] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program VM DIAGNOSIS: 04:37:16 Registers: info registers vcpu 0 RAX=ffffffff8135e4a9 RBX=0000000000000001 RCX=0000000000000002 RDX=0000000000000000 RSI=0000000000000000 RDI=ffffffff85e1ffe0 RBP=ffffffff85e1ffe0 RSP=ffff88800a27f668 R8 =0000000000000000 R9 =0000000000000000 R10=000000000003c9ed R11=00000000000c7d20 R12=0000000000000002 R13=0000000000000000 R14=0000000000000000 R15=ffff88800a27f718 RIP=ffffffff8152922a 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 00007efecac74900 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe2500000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007efecac34008 CR3=0000000020928000 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=652022746f6f72223d74636361207469 XMM02=3d6c616e696d72657420322e322e302e XMM03=3d656d616e74736f682022646873732f XMM04=40404040404040404040404040404040 XMM05=5a5a5a5a5a5a5a5a5a5a5a5a5a5a5a5a XMM06=20202020202020202020202020202020 XMM07=00000000000000000000000000000000 XMM08=652075253d64692073253d706f000000 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=ffffffff86b0411b RBX=0000000000000001 RCX=ffffffff86b04116 RDX=0000000000000000 RSI=1ffffffff0d60823 RDI=ffffffff86758498 RBP=ffff88806cf08a58 RSP=ffff88806cf08990 R8 =ffffffff86b04116 R9 =0000000000000000 R10=000000000003c9ed R11=0000000000032039 R12=ffff88806cf08a60 R13=ffff88806cf08a48 R14=ffff88806cf08a41 R15=ffff88806cf08a00 RIP=ffffffff8135e815 RFL=00000212 [----A--] 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 00007f3ea1230700 00000000 00000000 GS =0000 ffff8880e548f000 00000000 00000000 LDT=0000 fffffe4500000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f24e1bef478 CR3=000000000deb6000 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=2035313a37333a343020383120766f4e XMM01=657463656e6e6f63736944203a5d3134 XMM02=302e303120746f6f722072657375206d XMM03=203a5d3134325b646873732072656c6c XMM04=69662068637573206f4e203a656c6163 XMM05=3a656c696620766e65206e65706f206f XMM06=65733a6468737328766e655f6d617020 XMM07=6b7a79732035313a37333a3430203831 XMM08=30343d7974696c696261706163202279 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000