syzkaller login: [ 38.959535] ------------[ cut here ]------------ [ 38.960503] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 38.962975] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/232 [ 38.964435] Modules linked in: [ 38.965093] CPU: 1 UID: 104 PID: 232 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 38.967338] Tainted: [W]=WARN [ 38.968011] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 38.969528] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 38.970450] Code: e0 ad 11 00 81 e6 1f 52 ee ff 89 4c 24 40 89 74 24 30 90 48 c7 c7 40 38 f1 84 4c 8d 44 24 40 48 8d 54 24 30 e8 30 7b 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 [ 38.973665] RSP: 0018:ffff8880173dfbc0 EFLAGS: 00010286 [ 38.974657] RAX: 0000000000000000 RBX: ffffed1002e7bf78 RCX: ffffffff813a4050 [ 38.975997] RDX: ffff888017618000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 38.977310] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002e7bf2f [ 38.978590] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 38.979887] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff8880173dfdf8 [ 38.981189] FS: 00007f99af0d7900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 38.982639] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 38.983727] CR2: 00007fff48f00ef7 CR3: 000000000e2f6000 CR4: 0000000000350ef0 [ 38.985039] Call Trace: [ 38.985508] [ 38.985975] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 38.986872] ? __create_object+0x59/0x80 [ 38.987605] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 38.988606] __vmalloc_noprof+0x59/0x60 [ 38.989367] bpf_prog_alloc_no_stats+0x55/0x470 [ 38.990256] ? __pfx_seccomp_check_filter+0x10/0x10 [ 38.991224] bpf_prog_alloc+0x39/0x200 [ 38.991985] ? __pfx_seccomp_check_filter+0x10/0x10 [ 38.992948] bpf_prog_create_from_user+0xb2/0x2f0 [ 38.993864] do_seccomp+0x349/0x25e0 [ 38.994546] ? find_held_lock+0x2b/0x80 [ 38.995314] ? do_prlimit+0x310/0x610 [ 38.996079] ? __pfx_do_seccomp+0x10/0x10 [ 38.996875] ? do_raw_spin_unlock+0x53/0x220 [ 38.997738] ? _raw_spin_unlock+0x1e/0x40 [ 38.998491] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 38.999459] ? static_key_count+0x60/0x80 [ 39.000261] prctl_set_seccomp+0x4e/0x70 [ 39.001062] __do_sys_prctl+0xe6c/0x1d70 [ 39.001848] ? __pfx___do_sys_prctl+0x10/0x10 [ 39.002664] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 39.003649] ? irqentry_exit+0xf3/0x650 [ 39.004432] do_syscall_64+0xbf/0x430 [ 39.005185] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 39.006162] RIP: 0033:0x7f99af5c95cd [ 39.006870] 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 [ 39.010067] RSP: 002b:00007fff48efec40 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 39.011446] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f99af5c95cd [ 39.012770] RDX: 00005569774e1e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 39.014298] RBP: 00007fff48efeca0 R08: 0000000000000000 R09: 00007fff48efe340 [ 39.015602] R10: 0000000000000000 R11: 0000000000000246 R12: 0000556980b37ad0 [ 39.016909] R13: 00007fff48eff0d0 R14: 0000556980b38bc0 R15: 0000556980b49780 [ 39.018221] [ 39.018643] irq event stamp: 1803 [ 39.019305] hardirqs last enabled at (1813): [] __up_console_sem+0x78/0x80 [ 39.020890] hardirqs last disabled at (1822): [] __up_console_sem+0x5d/0x80 [ 39.022426] softirqs last enabled at (1782): [] handle_softirqs+0x50c/0x770 [ 39.023965] softirqs last disabled at (1777): [] __irq_exit_rcu+0xc4/0x100 [ 39.025499] ---[ end trace 0000000000000000 ]--- [ 42.467403] ------------[ cut here ]------------ [ 42.468383] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.470448] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/241 [ 42.471987] Modules linked in: [ 42.472616] CPU: 0 UID: 104 PID: 241 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 42.474663] Tainted: [W]=WARN [ 42.475285] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.476826] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.477767] Code: e0 ad 11 00 81 e6 1f 52 ee ff 89 4c 24 40 89 74 24 30 90 48 c7 c7 40 38 f1 84 4c 8d 44 24 40 48 8d 54 24 30 e8 30 7b 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 [ 42.481076] RSP: 0018:ffff8880186dfbc0 EFLAGS: 00010286 [ 42.482096] RAX: 0000000000000000 RBX: ffffed10030dbf78 RCX: ffffffff813a4050 [ 42.483416] RDX: ffff888015875340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.484756] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed10030dbf2f [ 42.486094] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.487425] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff8880186dfdf8 [ 42.488767] FS: 00007f3edbb0a900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 42.490261] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.491380] CR2: 00007ffd19c7bef7 CR3: 0000000020024000 CR4: 0000000000350ef0 [ 42.492728] Call Trace: [ 42.493210] [ 42.493637] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.494574] ? __create_object+0x59/0x80 [ 42.495385] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.496396] __vmalloc_noprof+0x59/0x60 [ 42.497191] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.498091] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.499052] bpf_prog_alloc+0x39/0x200 [ 42.499820] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.500802] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.501716] do_seccomp+0x349/0x25e0 [ 42.502412] ? find_held_lock+0x2b/0x80 [ 42.503193] ? do_prlimit+0x310/0x610 [ 42.503955] ? __pfx_do_seccomp+0x10/0x10 [ 42.504776] ? do_raw_spin_unlock+0x53/0x220 [ 42.505581] ? _raw_spin_unlock+0x1e/0x40 [ 42.506379] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.507353] ? static_key_count+0x60/0x80 [ 42.508167] prctl_set_seccomp+0x4e/0x70 [ 42.508977] __do_sys_prctl+0xe6c/0x1d70 [ 42.509788] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.510632] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.511617] ? irqentry_exit+0xf3/0x650 [ 42.512405] do_syscall_64+0xbf/0x430 [ 42.513177] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.514164] RIP: 0033:0x7f3edbffc5cd [ 42.514896] 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 [ 42.518192] RSP: 002b:00007ffd19c79390 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.519586] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f3edbffc5cd [ 42.520931] RDX: 000056030f87fe00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.522245] RBP: 00007ffd19c793f0 R08: 0000000000000000 R09: 00007ffd19c78a90 [ 42.523574] R10: 0000000000000000 R11: 0000000000000246 R12: 0000560340019ad0 [ 42.524889] R13: 00007ffd19c79820 R14: 000056034001abc0 R15: 000056034002b780 [ 42.526221] [ 42.526650] irq event stamp: 1765 [ 42.527296] hardirqs last enabled at (1775): [] __up_console_sem+0x78/0x80 [ 42.528888] hardirqs last disabled at (1784): [] __up_console_sem+0x5d/0x80 [ 42.530450] softirqs last enabled at (1734): [] handle_softirqs+0x50c/0x770 [ 42.532026] softirqs last disabled at (1719): [] __irq_exit_rcu+0xc4/0x100 [ 42.533558] ---[ end trace 0000000000000000 ]--- [ 43.394803] ------------[ cut here ]------------ [ 43.395540] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 43.397239] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/249 [ 43.398439] Modules linked in: [ 43.398975] CPU: 1 UID: 104 PID: 249 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 43.400622] Tainted: [W]=WARN [ 43.401109] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 43.402332] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 43.403078] Code: e0 ad 11 00 81 e6 1f 52 ee ff 89 4c 24 40 89 74 24 30 90 48 c7 c7 40 38 f1 84 4c 8d 44 24 40 48 8d 54 24 30 e8 30 7b 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 [ 43.405706] RSP: 0018:ffff88801a00fbc0 EFLAGS: 00010286 [ 43.406471] RAX: 0000000000000000 RBX: ffffed1003401f78 RCX: ffffffff813a4050 [ 43.407527] RDX: ffff88801a125340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 43.408593] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1003401f2f [ 43.409663] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 43.410750] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801a00fdf8 [ 43.411834] FS: 00007f632a131900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 43.413053] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 43.413944] CR2: 00007f632a623580 CR3: 000000000df37000 CR4: 0000000000350ef0 [ 43.415026] Call Trace: [ 43.415415] [ 43.415785] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 43.416503] ? __create_object+0x59/0x80 [ 43.417175] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 43.417999] __vmalloc_noprof+0x59/0x60 [ 43.418606] bpf_prog_alloc_no_stats+0x55/0x470 [ 43.419342] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.420114] bpf_prog_alloc+0x39/0x200 [ 43.420741] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.421484] bpf_prog_create_from_user+0xb2/0x2f0 [ 43.422263] do_seccomp+0x349/0x25e0 [ 43.422860] ? __pfx_css_rstat_updated+0x10/0x10 [ 43.423586] ? __pfx_do_seccomp+0x10/0x10 [ 43.424249] ? find_held_lock+0x2b/0x80 [ 43.424897] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 43.425663] ? static_key_count+0x60/0x80 [ 43.426331] prctl_set_seccomp+0x4e/0x70 [ 43.426987] __do_sys_prctl+0xe6c/0x1d70 [ 43.427605] ? __pfx___do_sys_prctl+0x10/0x10 [ 43.428324] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 43.429166] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 43.429973] ? irqentry_exit+0xf3/0x650 [ 43.430580] do_syscall_64+0xbf/0x430 [ 43.431203] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 43.431993] RIP: 0033:0x7f632a6235cd [ 43.432549] 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 [ 43.435243] RSP: 002b:00007fff79feed70 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 43.436382] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f632a6235cd [ 43.437461] RDX: 0000555cdec8de00 RSI: 0000000000000002 RDI: 0000000000000016 [ 43.438521] RBP: 00007fff79feedd0 R08: 0000000000000000 R09: 00007fff79fee470 [ 43.439581] R10: 0000000000000000 R11: 0000000000000246 R12: 0000555ce20dbad0 [ 43.440647] R13: 00007fff79fef200 R14: 0000555ce20dcbc0 R15: 0000555ce20ed780 [ 43.441751] [ 43.442103] irq event stamp: 1693 [ 43.442605] hardirqs last enabled at (1701): [] __up_console_sem+0x78/0x80 [ 43.443859] hardirqs last disabled at (1710): [] __up_console_sem+0x5d/0x80 [ 43.445123] softirqs last enabled at (1530): [] handle_softirqs+0x50c/0x770 [ 43.446490] softirqs last disabled at (1521): [] __irq_exit_rcu+0xc4/0x100 [ 43.448102] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:1507' (ECDSA) to the list of known hosts. 2025/11/19 07:45:24 fuzzer started 2025/11/19 07:45:25 dialing manager at localhost:34383 2025/11/19 07:45:25 checking machine... 2025/11/19 07:45:25 checking revisions... [ 44.353439] kmemleak: Automatic memory scanning thread ended 2025/11/19 07:45:25 testing simple program... [ 44.440520] cgroup: Unknown subsys name 'net' [ 44.507720] cgroup: Unknown subsys name 'cpuset' [ 44.522356] cgroup: Unknown subsys name 'rlimit' executing program executing program VM DIAGNOSIS: 07:45:24 Registers: info registers vcpu 0 RAX=0000000000000000 RBX=0000000000000000 RCX=ffffffff84c18d6f RDX=ffff888016938000 RSI=ffffffff84c199c2 RDI=ffff88801a397a60 RBP=ffff88801fbd1c80 RSP=ffff88801a397900 R8 =1ffff11003472f82 R9 =ffffed1003f7a3a0 R10=0000000000000002 R11=0000000000000001 R12=ffff88801a397bc0 R13=ffff88801a397a44 R14=0000000000000000 R15=ffff88801a397c0f RIP=ffffffff81751e4b 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 00007f3edbb0a900 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe1600000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f3edbae9020 CR3=000000001d604000 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=dffffc0000000000 RBX=ffff88801a00fb30 RCX=ffffffff84bf0f36 RDX=1ffff11003401f67 RSI=0000000000000000 RDI=0000000000000000 RBP=0000000000000000 RSP=ffff88801a00f6a8 R8 =0000000000000000 R9 =fffffbfff0cc9fcd R10=0000000000000002 R11=0000000000000000 R12=ffff8880200fd140 R13=ffff88801a00fb38 R14=0000000000000000 R15=ffff88801a00fb7d RIP=ffffffff81751950 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 fffffe3300000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f74a9a4b200 CR3=0000000020130000 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=646d657473797362696c2f756e672d78 XMM02=00302e6f732e646d657473797362696c XMM03=2f756e672d78756e696c2d34365f3638 XMM04=00000000000000000000000000000000 XMM05=00000000000000000000000000000000 XMM06=00000000000000000000000000000000 XMM07=00000000000000000000000000000000 XMM08=00000000000000000000000000000000 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000