syzkaller login: [ 46.063673] ------------[ cut here ]------------ [ 46.064603] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 46.066630] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/233 [ 46.068096] Modules linked in: [ 46.068761] CPU: 0 UID: 104 PID: 233 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 46.070723] Tainted: [W]=WARN [ 46.071316] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 46.072789] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 46.073699] 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 [ 46.076835] RSP: 0018:ffff8880172b7bc0 EFLAGS: 00010286 [ 46.077804] RAX: 0000000000000000 RBX: ffffed1002e56f78 RCX: ffffffff813a4050 [ 46.079089] RDX: ffff88800f165340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 46.080373] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002e56f2f [ 46.081633] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 46.082895] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff8880172b7df8 [ 46.084173] FS: 00007f22b348f900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 46.085614] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 46.086662] CR2: 00007ffd52d25ef8 CR3: 000000000b8b8000 CR4: 0000000000350ef0 [ 46.087941] Call Trace: [ 46.088443] [ 46.088856] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 46.089744] ? __create_object+0x59/0x80 [ 46.090516] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 46.091498] __vmalloc_noprof+0x59/0x60 [ 46.092264] bpf_prog_alloc_no_stats+0x55/0x470 [ 46.093098] ? __pfx_seccomp_check_filter+0x10/0x10 [ 46.094014] bpf_prog_alloc+0x39/0x200 [ 46.094750] ? __pfx_seccomp_check_filter+0x10/0x10 [ 46.095699] bpf_prog_create_from_user+0xb2/0x2f0 [ 46.096598] do_seccomp+0x349/0x25e0 [ 46.097315] ? find_held_lock+0x2b/0x80 [ 46.098023] ? do_prlimit+0x310/0x610 [ 46.098761] ? __pfx_do_seccomp+0x10/0x10 [ 46.099546] ? do_raw_spin_unlock+0x53/0x220 [ 46.100371] ? _raw_spin_unlock+0x1e/0x40 [ 46.101101] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 46.102050] ? static_key_count+0x60/0x80 [ 46.102846] prctl_set_seccomp+0x4e/0x70 [ 46.103633] __do_sys_prctl+0xe6c/0x1d70 [ 46.104415] ? __pfx___do_sys_prctl+0x10/0x10 [ 46.105263] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 46.106172] ? irqentry_exit+0xf3/0x650 [ 46.106927] do_syscall_64+0xbf/0x430 [ 46.107682] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 46.108620] RIP: 0033:0x7f22b39815cd [ 46.109305] 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 [ 46.112433] RSP: 002b:00007ffd52d24460 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 46.113781] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f22b39815cd [ 46.115057] RDX: 0000557141a88e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 46.116350] RBP: 00007ffd52d244c0 R08: 0000000000000000 R09: 00007ffd52d23b60 [ 46.117616] R10: 0000000000000000 R11: 0000000000000246 R12: 0000557156111ad0 [ 46.118886] R13: 00007ffd52d248f0 R14: 0000557156112bc0 R15: 0000557156123780 [ 46.120074] [ 46.120453] irq event stamp: 1759 [ 46.120935] hardirqs last enabled at (1767): [] __up_console_sem+0x78/0x80 [ 46.122151] hardirqs last disabled at (1776): [] __up_console_sem+0x5d/0x80 [ 46.123405] softirqs last enabled at (1660): [] handle_softirqs+0x50c/0x770 [ 46.124639] softirqs last disabled at (1655): [] __irq_exit_rcu+0xc4/0x100 [ 46.125854] ---[ end trace 0000000000000000 ]--- [ 49.095637] ------------[ cut here ]------------ [ 49.096600] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 49.098639] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/241 [ 49.100153] Modules linked in: [ 49.100805] CPU: 0 UID: 104 PID: 241 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 49.102803] Tainted: [W]=WARN [ 49.103407] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 49.104914] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 49.105833] 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 [ 49.109020] RSP: 0018:ffff8880166e7bc0 EFLAGS: 00010286 [ 49.110011] RAX: 0000000000000000 RBX: ffffed1002cdcf78 RCX: ffffffff813a4050 [ 49.111294] RDX: ffff888014779bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 49.112610] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002cdcf2f [ 49.113901] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000400dc0 [ 49.115206] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff8880166e7df8 [ 49.116517] FS: 00007fce59584900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 49.117968] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 49.119031] CR2: 00007fce59a76580 CR3: 000000001b643000 CR4: 0000000000350ef0 [ 49.120339] Call Trace: [ 49.120805] [ 49.121262] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 49.122122] ? __create_object+0x59/0x80 [ 49.122911] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 49.123904] __vmalloc_noprof+0x59/0x60 [ 49.124657] bpf_prog_alloc_no_stats+0x55/0x470 [ 49.125538] ? __pfx_seccomp_check_filter+0x10/0x10 [ 49.126499] bpf_prog_alloc+0x39/0x200 [ 49.127239] ? __pfx_seccomp_check_filter+0x10/0x10 [ 49.128132] bpf_prog_create_from_user+0xb2/0x2f0 [ 49.129032] do_seccomp+0x349/0x25e0 [ 49.129755] ? __pfx_css_rstat_updated+0x10/0x10 [ 49.130667] ? __pfx_do_seccomp+0x10/0x10 [ 49.131474] ? find_held_lock+0x2b/0x80 [ 49.132242] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 49.133160] ? static_key_count+0x60/0x80 [ 49.133980] prctl_set_seccomp+0x4e/0x70 [ 49.134766] __do_sys_prctl+0xe6c/0x1d70 [ 49.135568] ? __pfx___do_sys_prctl+0x10/0x10 [ 49.136429] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 49.137404] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 49.138363] ? irqentry_exit+0xf3/0x650 [ 49.139080] do_syscall_64+0xbf/0x430 [ 49.139829] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 49.140784] RIP: 0033:0x7fce59a765cd [ 49.141483] 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 [ 49.144650] RSP: 002b:00007ffce6b236f0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 49.146022] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fce59a765cd [ 49.147315] RDX: 0000559ceee7fe00 RSI: 0000000000000002 RDI: 0000000000000016 [ 49.148619] RBP: 00007ffce6b23750 R08: 0000000000000000 R09: 00007ffce6b22df0 [ 49.149913] R10: 0000000000000000 R11: 0000000000000246 R12: 0000559d178a8b10 [ 49.151210] R13: 00007ffce6b23b80 R14: 0000559d178a92b0 R15: 0000559d178bd6f0 [ 49.152529] [ 49.152958] irq event stamp: 1783 [ 49.153616] hardirqs last enabled at (1793): [] __up_console_sem+0x78/0x80 [ 49.155149] hardirqs last disabled at (1802): [] __up_console_sem+0x5d/0x80 [ 49.156709] softirqs last enabled at (1590): [] handle_softirqs+0x50c/0x770 [ 49.158258] softirqs last disabled at (1585): [] __irq_exit_rcu+0xc4/0x100 [ 49.159785] ---[ end trace 0000000000000000 ]--- [ 49.956727] ------------[ cut here ]------------ [ 49.957627] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 49.959670] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/248 [ 49.961114] Modules linked in: [ 49.961748] CPU: 1 UID: 104 PID: 248 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 49.963735] Tainted: [W]=WARN [ 49.964330] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 49.965790] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 49.966698] 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 [ 49.969839] RSP: 0018:ffff88801709fbc0 EFLAGS: 00010286 [ 49.970822] RAX: 0000000000000000 RBX: ffffed1002e13f78 RCX: ffffffff813a4050 [ 49.972105] RDX: ffff88800eadb780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 49.973387] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002e13f2f [ 49.974664] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 49.975939] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801709fdf8 [ 49.977224] FS: 00007eff4fc96900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 49.978654] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 49.979721] CR2: 00007eff50188580 CR3: 000000000e11d000 CR4: 0000000000350ef0 [ 49.980986] Call Trace: [ 49.981476] [ 49.981882] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 49.982767] ? __create_object+0x59/0x80 [ 49.983553] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 49.984512] __vmalloc_noprof+0x59/0x60 [ 49.985271] bpf_prog_alloc_no_stats+0x55/0x470 [ 49.986095] ? __pfx_seccomp_check_filter+0x10/0x10 [ 49.987030] bpf_prog_alloc+0x39/0x200 [ 49.987773] ? __pfx_seccomp_check_filter+0x10/0x10 [ 49.988696] bpf_prog_create_from_user+0xb2/0x2f0 [ 49.989600] do_seccomp+0x349/0x25e0 [ 49.990303] ? __pfx_css_rstat_updated+0x10/0x10 [ 49.991147] ? __pfx_do_seccomp+0x10/0x10 [ 49.991949] ? find_held_lock+0x2b/0x80 [ 49.992709] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 49.993665] ? static_key_count+0x60/0x80 [ 49.994456] prctl_set_seccomp+0x4e/0x70 [ 49.995220] __do_sys_prctl+0xe6c/0x1d70 [ 49.995978] ? __pfx___do_sys_prctl+0x10/0x10 [ 49.996847] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 49.997829] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 49.998821] ? irqentry_exit+0xf3/0x650 [ 49.999616] do_syscall_64+0xbf/0x430 [ 50.000378] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 50.001355] RIP: 0033:0x7eff501885cd [ 50.002025] 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 [ 50.005243] RSP: 002b:00007ffd0976b560 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 50.006620] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007eff501885cd [ 50.007933] RDX: 000055e53f109e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 50.009233] RBP: 00007ffd0976b5c0 R08: 0000000000000000 R09: 00007ffd0976ac60 [ 50.010535] R10: 0000000000000000 R11: 0000000000000246 R12: 000055e54f0f2240 [ 50.011855] R13: 00007ffd0976b9f0 R14: 000055e54f0fb380 R15: 000055e54f106540 [ 50.013208] [ 50.013639] irq event stamp: 1691 [ 50.014306] hardirqs last enabled at (1707): [] __up_console_sem+0x78/0x80 [ 50.015866] hardirqs last disabled at (1716): [] __up_console_sem+0x5d/0x80 [ 50.017416] softirqs last enabled at (1704): [] handle_softirqs+0x50c/0x770 [ 50.018985] softirqs last disabled at (1699): [] __irq_exit_rcu+0xc4/0x100 [ 50.020540] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:15656' (ECDSA) to the list of known hosts. 2025/11/17 22:56:11 fuzzer started 2025/11/17 22:56:12 dialing manager at localhost:37895 2025/11/17 22:56:12 checking machine... 2025/11/17 22:56:12 checking revisions... [ 50.954255] kmemleak: Automatic memory scanning thread ended 2025/11/17 22:56:12 testing simple program... [ 51.052470] cgroup: Unknown subsys name 'net' [ 51.120804] cgroup: Unknown subsys name 'cpuset' [ 51.139253] cgroup: Unknown subsys name 'rlimit' executing program executing program VM DIAGNOSIS: 22:56:11 Registers: info registers vcpu 0 RAX=00000000ab8c3588 RBX=0000000000000000 RCX=0000000000000000 RDX=0000000000000021 RSI=ffffffff812c3489 RDI=ffffffff85ca1480 RBP=ffff88806ce08d50 RSP=ffff88806ce08c88 R8 =0000000000000001 R9 =ffffed100d9c119a R10=0000000000000000 R11=0000000000000001 R12=0000000000000000 R13=dffffffffffffffd R14=ffffffffffffffff R15=00000021ab4539c0 RIP=ffffffff812c348c 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 fffffe4500000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=0000559d178f6000 CR3=000000000ba2b000 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=2031313a36353a323220373120766f4e XMM01=73732878696e755f6d6170203a5d3034 XMM02=65736f6c63206e6f6973736573203a29 XMM03=755f6d6170203a5d3034325b64687373 XMM04=69662068637573206f4e203a656c6163 XMM05=3a656c696620766e65206e65706f206f XMM06=65733a6468737328766e655f6d617020 XMM07=6b7a79732030313a36353a3232203731 XMM08=30343d7974696c696261706163202279 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=0000000000000000 RBX=ffff888019d40000 RCX=ffff88800f4874d4 RDX=0000000000000000 RSI=ffffffff85e1ffe0 RDI=ffff888019d403fc RBP=ffff888019d40000 RSP=ffff88800f4874e0 R8 =0000000000000001 R9 =ffff88800f4875c0 R10=000000000003c9ed R11=0000000000023c55 R12=ffff888019d40000 R13=ffff88800f4875c8 R14=ffff88800f487970 R15=ffff88800f487580 RIP=ffffffff815d2a95 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 00007fce59584900 00000000 00000000 GS =0000 ffff8880e548f000 00000000 00000000 LDT=0000 fffffe4000000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007ffce6b1d000 CR3=000000000df6c000 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=563412feff00545000000000000080fe XMM01=74696d7265705f6d61703d73726f746e XMM02=000000000000000000000000000000ff XMM03=5320444f4854454d5f54505952434e45 XMM04=40404040404040404040404040404040 XMM05=5a5a5a5a5a5a5a5a5a5a5a5a5a5a5a5a XMM06=20202020202020202020202020202020 XMM07=00000000000000000000000000000000 XMM08=61662029286e65706f5f746964756100 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000