syzkaller login: [ 39.090787] ------------[ cut here ]------------ [ 39.091714] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 39.093812] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/233 [ 39.095326] Modules linked in: [ 39.095964] CPU: 0 UID: 104 PID: 233 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 39.097962] Tainted: [W]=WARN [ 39.098513] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 39.099983] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 39.100920] 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 [ 39.104117] RSP: 0018:ffff888015f2fbc0 EFLAGS: 00010286 [ 39.105115] RAX: 0000000000000000 RBX: ffffed1002be5f78 RCX: ffffffff813a4050 [ 39.106401] RDX: ffff8880186c9bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 39.107719] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002be5f2f [ 39.109003] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 39.110279] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888015f2fdf8 [ 39.111599] FS: 00007f5cb6b61900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 39.113068] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 39.114122] CR2: 00007f5cb7053580 CR3: 000000000fe54000 CR4: 0000000000350ef0 [ 39.115422] Call Trace: [ 39.115943] [ 39.116359] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 39.117279] ? __create_object+0x59/0x80 [ 39.118072] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.119066] __vmalloc_noprof+0x59/0x60 [ 39.119839] bpf_prog_alloc_no_stats+0x55/0x470 [ 39.120721] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.121672] bpf_prog_alloc+0x39/0x200 [ 39.122365] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.123327] bpf_prog_create_from_user+0xb2/0x2f0 [ 39.124250] do_seccomp+0x349/0x25e0 [ 39.124977] ? __pfx_css_rstat_updated+0x10/0x10 [ 39.125885] ? __pfx_do_seccomp+0x10/0x10 [ 39.126671] ? find_held_lock+0x2b/0x80 [ 39.127406] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 39.128370] ? static_key_count+0x60/0x80 [ 39.129177] prctl_set_seccomp+0x4e/0x70 [ 39.129945] __do_sys_prctl+0xe6c/0x1d70 [ 39.130716] ? __pfx___do_sys_prctl+0x10/0x10 [ 39.131542] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.132511] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 39.133477] ? irqentry_exit+0xf3/0x650 [ 39.134243] do_syscall_64+0xbf/0x430 [ 39.134997] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 39.135963] RIP: 0033:0x7f5cb70535cd [ 39.136614] 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 [ 39.139804] RSP: 002b:00007ffe99851e50 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 39.141172] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f5cb70535cd [ 39.142471] RDX: 0000564a52110e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 39.143759] RBP: 00007ffe99851eb0 R08: 0000000000000000 R09: 00007ffe99851550 [ 39.145014] R10: 0000000000000000 R11: 0000000000000246 R12: 0000564a57d46ad0 [ 39.146279] R13: 00007ffe998522e0 R14: 0000564a57d47bc0 R15: 0000564a57d58780 [ 39.147579] [ 39.148046] irq event stamp: 1739 [ 39.148679] hardirqs last enabled at (1749): [] __up_console_sem+0x78/0x80 [ 39.150177] hardirqs last disabled at (1758): [] __up_console_sem+0x5d/0x80 [ 39.151691] softirqs last enabled at (1660): [] handle_softirqs+0x50c/0x770 [ 39.153235] softirqs last disabled at (1655): [] __irq_exit_rcu+0xc4/0x100 [ 39.154725] ---[ end trace 0000000000000000 ]--- [ 42.424722] ------------[ cut here ]------------ [ 42.425790] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.428001] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/242 [ 42.429571] Modules linked in: [ 42.430266] CPU: 0 UID: 104 PID: 242 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 42.432458] Tainted: [W]=WARN [ 42.433113] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.434722] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.435743] 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 [ 42.439219] RSP: 0018:ffff888015c57bc0 EFLAGS: 00010286 [ 42.440295] RAX: 0000000000000000 RBX: ffffed1002b8af78 RCX: ffffffff813a4050 [ 42.441686] RDX: ffff88800d1a9bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.443091] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002b8af2f [ 42.444483] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.445884] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888015c57df8 [ 42.447290] FS: 00007ff66f685900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 42.448850] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.449998] CR2: 00007ff66fb77580 CR3: 0000000009fec000 CR4: 0000000000350ef0 [ 42.451405] Call Trace: [ 42.451955] [ 42.452401] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.453382] ? __create_object+0x59/0x80 [ 42.454235] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.455301] __vmalloc_noprof+0x59/0x60 [ 42.456129] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.457080] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.458099] bpf_prog_alloc+0x39/0x200 [ 42.458902] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.459924] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.460924] do_seccomp+0x349/0x25e0 [ 42.461708] ? __pfx_css_rstat_updated+0x10/0x10 [ 42.462691] ? __pfx_do_seccomp+0x10/0x10 [ 42.463509] ? find_held_lock+0x2b/0x80 [ 42.464336] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.465388] ? static_key_count+0x60/0x80 [ 42.466259] prctl_set_seccomp+0x4e/0x70 [ 42.467104] __do_sys_prctl+0xe6c/0x1d70 [ 42.467963] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.468901] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.469958] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.471017] ? irqentry_exit+0xf3/0x650 [ 42.471854] do_syscall_64+0xbf/0x430 [ 42.472601] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.473669] RIP: 0033:0x7ff66fb775cd [ 42.474384] 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 [ 42.477811] RSP: 002b:00007ffe5463bb10 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.479288] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ff66fb775cd [ 42.480697] RDX: 00005621f9383e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.482077] RBP: 00007ffe5463bb70 R08: 0000000000000000 R09: 00007ffe5463b210 [ 42.483472] R10: 0000000000000000 R11: 0000000000000246 R12: 0000562222f672b0 [ 42.484872] R13: 00007ffe5463bfa0 R14: 0000562222f69d20 R15: 0000562222f7b8d0 [ 42.486278] [ 42.486772] irq event stamp: 1737 [ 42.487437] hardirqs last enabled at (1745): [] __up_console_sem+0x78/0x80 [ 42.489061] hardirqs last disabled at (1754): [] __up_console_sem+0x5d/0x80 [ 42.490701] softirqs last enabled at (1714): [] handle_softirqs+0x50c/0x770 [ 42.492356] softirqs last disabled at (1699): [] __irq_exit_rcu+0xc4/0x100 [ 42.493989] ---[ end trace 0000000000000000 ]--- [ 43.360835] ------------[ cut here ]------------ [ 43.361561] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 43.363234] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/250 [ 43.364417] Modules linked in: [ 43.364923] CPU: 1 UID: 104 PID: 250 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 43.366570] Tainted: [W]=WARN [ 43.367070] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 43.368274] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 43.369024] 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 [ 43.371669] RSP: 0018:ffff888018617bc0 EFLAGS: 00010286 [ 43.372442] RAX: 0000000000000000 RBX: ffffed10030c2f78 RCX: ffffffff813a4050 [ 43.373531] RDX: ffff888015d60000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 43.374581] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed10030c2f2f [ 43.375662] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 43.376727] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888018617df8 [ 43.377791] FS: 00007fd513ef9900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 43.378996] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 43.379873] CR2: 00007ffc975a9ef8 CR3: 0000000020239000 CR4: 0000000000350ef0 [ 43.380949] Call Trace: [ 43.381345] [ 43.381730] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 43.382435] ? __create_object+0x59/0x80 [ 43.383095] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 43.383900] __vmalloc_noprof+0x59/0x60 [ 43.384491] bpf_prog_alloc_no_stats+0x55/0x470 [ 43.385219] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.385994] bpf_prog_alloc+0x39/0x200 [ 43.386579] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.387372] bpf_prog_create_from_user+0xb2/0x2f0 [ 43.388134] do_seccomp+0x349/0x25e0 [ 43.388738] ? find_held_lock+0x2b/0x80 [ 43.389338] ? do_prlimit+0x310/0x610 [ 43.389960] ? __pfx_do_seccomp+0x10/0x10 [ 43.390581] ? do_raw_spin_unlock+0x53/0x220 [ 43.391279] ? _raw_spin_unlock+0x1e/0x40 [ 43.391946] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 43.392758] ? static_key_count+0x60/0x80 [ 43.393393] prctl_set_seccomp+0x4e/0x70 [ 43.394040] __do_sys_prctl+0xe6c/0x1d70 [ 43.394678] ? __pfx___do_sys_prctl+0x10/0x10 [ 43.395375] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 43.396180] ? irqentry_exit+0xf3/0x650 [ 43.396812] do_syscall_64+0xbf/0x430 [ 43.397390] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 43.398186] RIP: 0033:0x7fd5143eb5cd [ 43.398769] 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 [ 43.401432] RSP: 002b:00007ffc975a8980 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 43.402571] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fd5143eb5cd [ 43.403646] RDX: 000055dca94b2e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 43.404711] RBP: 00007ffc975a89e0 R08: 0000000000000000 R09: 00007ffc975a8080 [ 43.405759] R10: 0000000000000000 R11: 0000000000000246 R12: 000055dcaf30c2b0 [ 43.406834] R13: 00007ffc975a8e10 R14: 000055dcaf30ed20 R15: 000055dcaf3208d0 [ 43.407934] [ 43.408285] irq event stamp: 1845 [ 43.408820] hardirqs last enabled at (1855): [] __up_console_sem+0x78/0x80 [ 43.410096] hardirqs last disabled at (1864): [] __up_console_sem+0x5d/0x80 [ 43.411362] softirqs last enabled at (1664): [] handle_softirqs+0x50c/0x770 [ 43.412673] softirqs last disabled at (1657): [] __irq_exit_rcu+0xc4/0x100 [ 43.413943] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:28145' (ECDSA) to the list of known hosts. 2025/11/18 03:47:53 fuzzer started 2025/11/18 03:47:53 dialing manager at localhost:37895 2025/11/18 03:47:53 checking machine... 2025/11/18 03:47:53 checking revisions... [ 44.285449] kmemleak: Automatic memory scanning thread ended 2025/11/18 03:47:54 testing simple program... [ 44.376415] cgroup: Unknown subsys name 'net' [ 44.431758] cgroup: Unknown subsys name 'cpuset' [ 44.444506] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program VM DIAGNOSIS: 03:47:53 Registers: info registers vcpu 0 RAX=00000000000c0000 RBX=ffff88800f531bc0 RCX=0000000000000000 RDX=00000000000c0010 RSI=ffffffff85994204 RDI=ffff88800b638268 RBP=ffff88800f532618 RSP=ffff88800d0d7650 R8 =0000000000080000 R9 =0000000000000010 R10=0000000000000000 R11=0000000000000000 R12=ffff88800f532640 R13=0000000000000000 R14=0000000000000001 R15=0000000000040000 RIP=ffffffff815270cc RFL=00000006 [-----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 00007fcf8787b700 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe5a00000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007ff66fc3c618 CR3=000000000cfc5000 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=656e6e6f637369642064657669656365 XMM02=63736964203a31313a34323337332074 XMM03=66207463656e6e6f6373696420646576 XMM04=6456774875434142334f726f59427469 XMM05=485320415352203a3268737320343233 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=0000000000000000 RBX=dffffc0000000000 RCX=ffffffff822a4f7b RDX=ffff888015d65340 RSI=ffffffff822a4f85 RDI=ffff88800fff81a8 RBP=0000000000000001 RSP=ffff8880178df788 R8 =0000000000000001 R9 =0000000000000000 R10=0000000000000001 R11=0000000000000001 R12=ffff88800fff81a0 R13=0000000000000007 R14=0000000000000005 R15=0000000000000007 RIP=ffffffff822a4fa7 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 0000000000000000 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=00007f743cb7e458 CR3=00000000201f7000 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=756e696c2d34365f3638782f62696c2f XMM01=00312e6f732e7a62696c2f756e672d78 XMM02=ffff000000000000ffffffffffffff00 XMM03=ffffffffff0000ffffffffff00000000 XMM04=00000000000000000000000000000000 XMM05=00000000000000000000000000000000 XMM06=00000000000000000000000000000000 XMM07=00000000000000000000000000000000 XMM08=00000000000000000000000000000000 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000