syzkaller login: [ 46.419032] ------------[ cut here ]------------ [ 46.419943] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 46.421989] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/234 [ 46.423410] Modules linked in: [ 46.424026] CPU: 1 UID: 104 PID: 234 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 46.426041] Tainted: [W]=WARN [ 46.426597] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 46.428313] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 46.429303] 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 [ 46.432466] RSP: 0018:ffff888016027bc0 EFLAGS: 00010286 [ 46.433438] RAX: 0000000000000000 RBX: ffffed1002c04f78 RCX: ffffffff813a4050 [ 46.434724] RDX: ffff8880189b5340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 46.436006] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002c04f2f [ 46.437299] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 46.438569] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888016027df8 [ 46.439843] FS: 00007fc8343c1900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 46.441265] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 46.442313] CR2: 00007fc8348b3580 CR3: 000000000e12b000 CR4: 0000000000350ef0 [ 46.443591] Call Trace: [ 46.444104] [ 46.444530] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 46.445415] ? __create_object+0x59/0x80 [ 46.446193] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 46.447158] __vmalloc_noprof+0x59/0x60 [ 46.447909] bpf_prog_alloc_no_stats+0x55/0x470 [ 46.448803] ? __pfx_seccomp_check_filter+0x10/0x10 [ 46.449688] bpf_prog_alloc+0x39/0x200 [ 46.450419] ? __pfx_seccomp_check_filter+0x10/0x10 [ 46.451342] bpf_prog_create_from_user+0xb2/0x2f0 [ 46.452247] do_seccomp+0x349/0x25e0 [ 46.452969] ? __pfx_css_rstat_updated+0x10/0x10 [ 46.453879] ? __pfx_do_seccomp+0x10/0x10 [ 46.454617] ? find_held_lock+0x2b/0x80 [ 46.455373] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 46.456332] ? static_key_count+0x60/0x80 [ 46.457123] prctl_set_seccomp+0x4e/0x70 [ 46.457901] __do_sys_prctl+0xe6c/0x1d70 [ 46.458632] ? __pfx___do_sys_prctl+0x10/0x10 [ 46.459475] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 46.460446] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 46.461407] ? irqentry_exit+0xf3/0x650 [ 46.462177] do_syscall_64+0xbf/0x430 [ 46.462914] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 46.463851] RIP: 0033:0x7fc8348b35cd [ 46.464511] 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 [ 46.467658] RSP: 002b:00007ffe86fcfca0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 46.469031] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fc8348b35cd [ 46.470301] RDX: 000055946d570e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 46.471562] RBP: 00007ffe86fcfd00 R08: 0000000000000000 R09: 00007ffe86fcf3a0 [ 46.472862] R10: 0000000000000000 R11: 0000000000000246 R12: 000055948005ead0 [ 46.474131] R13: 00007ffe86fd0130 R14: 000055948005fbc0 R15: 0000559480070780 [ 46.475419] [ 46.475874] irq event stamp: 1815 [ 46.476484] hardirqs last enabled at (1823): [] __up_console_sem+0x78/0x80 [ 46.478001] hardirqs last disabled at (1832): [] __up_console_sem+0x5d/0x80 [ 46.479516] softirqs last enabled at (1752): [] handle_softirqs+0x50c/0x770 [ 46.481061] softirqs last disabled at (1743): [] __irq_exit_rcu+0xc4/0x100 [ 46.482565] ---[ end trace 0000000000000000 ]--- [ 49.193402] ------------[ cut here ]------------ [ 49.194327] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 49.196373] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/242 [ 49.197856] Modules linked in: [ 49.198455] CPU: 0 UID: 104 PID: 242 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 49.200458] Tainted: [W]=WARN [ 49.201055] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 49.202744] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 49.203953] 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 [ 49.207178] RSP: 0018:ffff88801b127bc0 EFLAGS: 00010286 [ 49.208161] RAX: 0000000000000000 RBX: ffffed1003624f78 RCX: ffffffff813a4050 [ 49.209457] RDX: ffff88801711b780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 49.210995] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1003624f2f [ 49.212539] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 49.213985] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801b127df8 [ 49.215276] FS: 00007f4f55676900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 49.216959] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 49.218039] CR2: 00007f4f55b68580 CR3: 0000000020bd2000 CR4: 0000000000350ef0 [ 49.219344] Call Trace: [ 49.219856] [ 49.220293] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 49.221197] ? __create_object+0x59/0x80 [ 49.221984] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 49.222961] __vmalloc_noprof+0x59/0x60 [ 49.223683] bpf_prog_alloc_no_stats+0x55/0x470 [ 49.224570] ? __pfx_seccomp_check_filter+0x10/0x10 [ 49.225510] bpf_prog_alloc+0x39/0x200 [ 49.226248] ? __pfx_seccomp_check_filter+0x10/0x10 [ 49.227188] bpf_prog_create_from_user+0xb2/0x2f0 [ 49.228130] do_seccomp+0x349/0x25e0 [ 49.228861] ? __pfx_css_rstat_updated+0x10/0x10 [ 49.229762] ? __pfx_do_seccomp+0x10/0x10 [ 49.230512] ? find_held_lock+0x2b/0x80 [ 49.231278] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 49.232249] ? static_key_count+0x60/0x80 [ 49.233056] prctl_set_seccomp+0x4e/0x70 [ 49.233845] __do_sys_prctl+0xe6c/0x1d70 [ 49.234586] ? __pfx___do_sys_prctl+0x10/0x10 [ 49.235436] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 49.236393] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 49.237361] ? irqentry_exit+0xf3/0x650 [ 49.238116] do_syscall_64+0xbf/0x430 [ 49.238849] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 49.239804] RIP: 0033:0x7f4f55b685cd [ 49.240470] 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 [ 49.243644] RSP: 002b:00007ffe5baf3400 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 49.245015] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f4f55b685cd [ 49.246283] RDX: 000056292770ce00 RSI: 0000000000000002 RDI: 0000000000000016 [ 49.247584] RBP: 00007ffe5baf3460 R08: 0000000000000000 R09: 00007ffe5baf2b00 [ 49.248878] R10: 0000000000000000 R11: 0000000000000246 R12: 0000562959c6fad0 [ 49.250159] R13: 00007ffe5baf3890 R14: 0000562959c70bc0 R15: 0000562959c81780 [ 49.251471] [ 49.251922] irq event stamp: 1681 [ 49.252541] hardirqs last enabled at (1689): [] __up_console_sem+0x78/0x80 [ 49.254062] hardirqs last disabled at (1698): [] __up_console_sem+0x5d/0x80 [ 49.255576] softirqs last enabled at (1648): [] handle_softirqs+0x50c/0x770 [ 49.257124] softirqs last disabled at (1643): [] __irq_exit_rcu+0xc4/0x100 [ 49.258624] ---[ end trace 0000000000000000 ]--- [ 49.929952] ------------[ cut here ]------------ [ 49.930856] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 49.933078] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/250 [ 49.934505] Modules linked in: [ 49.935245] CPU: 1 UID: 104 PID: 250 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 49.937855] Tainted: [W]=WARN [ 49.938497] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 49.940310] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 49.941386] 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 [ 49.945082] RSP: 0018:ffff88801617fbc0 EFLAGS: 00010286 [ 49.946219] RAX: 0000000000000000 RBX: ffffed1002c2ff78 RCX: ffffffff813a4050 [ 49.947746] RDX: ffff888017119bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 49.949242] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002c2ff2f [ 49.950739] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 49.952217] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801617fdf8 [ 49.953737] FS: 00007f7426ef2900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 49.955404] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 49.956656] CR2: 00007f74273e4580 CR3: 000000002102b000 CR4: 0000000000350ef0 [ 49.958134] Call Trace: [ 49.958671] [ 49.959201] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 49.960241] ? __create_object+0x59/0x80 [ 49.961156] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 49.962282] __vmalloc_noprof+0x59/0x60 [ 49.963160] bpf_prog_alloc_no_stats+0x55/0x470 [ 49.964167] ? __pfx_seccomp_check_filter+0x10/0x10 [ 49.965263] bpf_prog_alloc+0x39/0x200 [ 49.966131] ? __pfx_seccomp_check_filter+0x10/0x10 [ 49.967205] bpf_prog_create_from_user+0xb2/0x2f0 [ 49.968268] do_seccomp+0x349/0x25e0 [ 49.969099] ? __pfx_css_rstat_updated+0x10/0x10 [ 49.970143] ? __pfx_do_seccomp+0x10/0x10 [ 49.971051] ? find_held_lock+0x2b/0x80 [ 49.971995] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 49.973126] ? static_key_count+0x60/0x80 [ 49.974001] prctl_set_seccomp+0x4e/0x70 [ 49.974893] __do_sys_prctl+0xe6c/0x1d70 [ 49.975799] ? __pfx___do_sys_prctl+0x10/0x10 [ 49.976785] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 49.977907] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 49.979021] ? irqentry_exit+0xf3/0x650 [ 49.979914] do_syscall_64+0xbf/0x430 [ 49.980778] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 49.981890] RIP: 0033:0x7f74273e45cd [ 49.982651] 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 [ 49.986318] RSP: 002b:00007ffe3f91d090 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 49.987889] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f74273e45cd [ 49.989351] RDX: 0000563c735f2e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 49.990577] RBP: 00007ffe3f91d0f0 R08: 0000000000000000 R09: 00007ffe3f91c790 [ 49.991815] R10: 0000000000000000 R11: 0000000000000246 R12: 0000563c7a301ad0 [ 49.993063] R13: 00007ffe3f91d520 R14: 0000563c7a302bc0 R15: 0000563c7a313780 [ 49.994319] [ 49.994757] irq event stamp: 1851 [ 49.995340] hardirqs last enabled at (1859): [] __up_console_sem+0x78/0x80 [ 49.996849] hardirqs last disabled at (1874): [] __up_console_sem+0x5d/0x80 [ 49.998317] softirqs last enabled at (1872): [] handle_softirqs+0x50c/0x770 [ 49.999801] softirqs last disabled at (1867): [] __irq_exit_rcu+0xc4/0x100 [ 50.001201] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:22909' (ECDSA) to the list of known hosts. 2025/11/18 03:47:47 fuzzer started 2025/11/18 03:47:47 dialing manager at localhost:37895 2025/11/18 03:47:47 checking machine... 2025/11/18 03:47:47 checking revisions... [ 50.913305] kmemleak: Automatic memory scanning thread ended 2025/11/18 03:47:47 testing simple program... [ 51.020215] cgroup: Unknown subsys name 'net' [ 51.093141] cgroup: Unknown subsys name 'cpuset' [ 51.110300] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program VM DIAGNOSIS: 03:47:46 Registers: info registers vcpu 0 RAX=ffff888009422000 RBX=0000000000000000 RCX=ffffffff8152d723 RDX=ffff888009421a00 RSI=0000000000000000 RDI=ffff888009422000 RBP=ffff888009422000 RSP=ffff88801885f888 R8 =0000000000000001 R9 =ffffed100310bf02 R10=0000000000000003 R11=0000000000000001 R12=ffff88800d97cbf8 R13=0000000000000246 R14=ffff888008c4b140 R15=0000000000000000 RIP=ffffffff81b61984 RFL=00000082 [--S----] 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 00007f7aab219700 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe3b00000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f4f55655020 CR3=0000000009e33000 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=3a5d3134325b646873732036343a3734 XMM04=6456774875434142334f726f59427469 XMM05=485320415352203a3268737320323133 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=00000000000245c5 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 fffffe5100000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007fff9006b678 CR3=0000000009e33000 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=2036343a37343a333020383120766f4e XMM01=73732878696e755f6d6170203a5d3134 XMM02=65736f6c63206e6f6973736573203a29 XMM03=755f6d6170203a5d3134325b64687373 XMM04=69662068637573206f4e203a656c6163 XMM05=3a656c696620766e65206e65706f206f XMM06=65733a6468737328766e655f6d617020 XMM07=6b7a79732036343a37343a3330203831 XMM08=30343d7974696c696261706163202279 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000