syzkaller login: [ 46.633903] ------------[ cut here ]------------ [ 46.634893] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 46.636941] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/233 [ 46.638417] Modules linked in: [ 46.639039] CPU: 1 UID: 104 PID: 233 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 46.641075] Tainted: [W]=WARN [ 46.641677] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 46.643184] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 46.644107] 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 [ 46.647307] RSP: 0018:ffff88800f23fbc0 EFLAGS: 00010286 [ 46.648285] RAX: 0000000000000000 RBX: ffffed1001e47f78 RCX: ffffffff813a4050 [ 46.649576] RDX: ffff88801c888000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 46.650887] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1001e47f2f [ 46.652180] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 46.653467] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88800f23fdf8 [ 46.654792] FS: 00007f1dc969a900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 46.656239] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 46.657296] CR2: 00007ffe25bdbef7 CR3: 000000000d86d000 CR4: 0000000000350ef0 [ 46.658633] Call Trace: [ 46.659095] [ 46.659546] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 46.660416] ? __create_object+0x59/0x80 [ 46.661191] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 46.662198] __vmalloc_noprof+0x59/0x60 [ 46.662982] bpf_prog_alloc_no_stats+0x55/0x470 [ 46.663846] ? __pfx_seccomp_check_filter+0x10/0x10 [ 46.664786] bpf_prog_alloc+0x39/0x200 [ 46.665541] ? __pfx_seccomp_check_filter+0x10/0x10 [ 46.666525] bpf_prog_create_from_user+0xb2/0x2f0 [ 46.667385] do_seccomp+0x349/0x25e0 [ 46.668109] ? find_held_lock+0x2b/0x80 [ 46.668891] ? do_prlimit+0x310/0x610 [ 46.669649] ? __pfx_do_seccomp+0x10/0x10 [ 46.670491] ? do_raw_spin_unlock+0x53/0x220 [ 46.671275] ? _raw_spin_unlock+0x1e/0x40 [ 46.672059] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 46.673020] ? static_key_count+0x60/0x80 [ 46.673833] prctl_set_seccomp+0x4e/0x70 [ 46.674660] __do_sys_prctl+0xe6c/0x1d70 [ 46.675406] ? __pfx___do_sys_prctl+0x10/0x10 [ 46.676276] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 46.677264] ? irqentry_exit+0xf3/0x650 [ 46.678030] do_syscall_64+0xbf/0x430 [ 46.678821] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 46.679785] RIP: 0033:0x7f1dc9b8c5cd [ 46.680494] 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 [ 46.683734] RSP: 002b:00007ffe25bd9fd0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 46.685101] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f1dc9b8c5cd [ 46.686448] RDX: 000056553fe8ae00 RSI: 0000000000000002 RDI: 0000000000000016 [ 46.687723] RBP: 00007ffe25bda030 R08: 0000000000000000 R09: 00007ffe25bd96d0 [ 46.689001] R10: 0000000000000000 R11: 0000000000000246 R12: 0000565545c75ad0 [ 46.690331] R13: 00007ffe25bda460 R14: 0000565545c76bc0 R15: 0000565545c87780 [ 46.691635] [ 46.692063] irq event stamp: 1791 [ 46.692704] hardirqs last enabled at (1801): [] __up_console_sem+0x78/0x80 [ 46.694250] hardirqs last disabled at (1810): [] __up_console_sem+0x5d/0x80 [ 46.695806] softirqs last enabled at (1576): [] handle_softirqs+0x50c/0x770 [ 46.697363] softirqs last disabled at (1571): [] __irq_exit_rcu+0xc4/0x100 [ 46.698936] ---[ end trace 0000000000000000 ]--- [ 49.651989] ------------[ cut here ]------------ [ 49.652945] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 49.654977] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/242 [ 49.656400] Modules linked in: [ 49.657046] CPU: 1 UID: 104 PID: 242 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 49.659043] Tainted: [W]=WARN [ 49.659641] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 49.661089] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 49.662057] 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 [ 49.665249] RSP: 0018:ffff888017defbc0 EFLAGS: 00010286 [ 49.666252] RAX: 0000000000000000 RBX: ffffed1002fbdf78 RCX: ffffffff813a4050 [ 49.667547] RDX: ffff888016a7b780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 49.668816] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002fbdf2f [ 49.670071] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000400dc0 [ 49.671388] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888017defdf8 [ 49.672669] FS: 00007f0dadd53900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 49.674079] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 49.675168] CR2: 00007f0dae245580 CR3: 0000000009a24000 CR4: 0000000000350ef0 [ 49.676452] Call Trace: [ 49.676910] [ 49.677313] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 49.678238] ? __create_object+0x59/0x80 [ 49.679031] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 49.680004] __vmalloc_noprof+0x59/0x60 [ 49.680758] bpf_prog_alloc_no_stats+0x55/0x470 [ 49.681628] ? __pfx_seccomp_check_filter+0x10/0x10 [ 49.682592] bpf_prog_alloc+0x39/0x200 [ 49.683273] ? __pfx_seccomp_check_filter+0x10/0x10 [ 49.684186] bpf_prog_create_from_user+0xb2/0x2f0 [ 49.685079] do_seccomp+0x349/0x25e0 [ 49.685799] ? __pfx_css_rstat_updated+0x10/0x10 [ 49.686739] ? __pfx_do_seccomp+0x10/0x10 [ 49.687530] ? find_held_lock+0x2b/0x80 [ 49.688238] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 49.689189] ? static_key_count+0x60/0x80 [ 49.689988] prctl_set_seccomp+0x4e/0x70 [ 49.690817] __do_sys_prctl+0xe6c/0x1d70 [ 49.691613] ? __pfx___do_sys_prctl+0x10/0x10 [ 49.692408] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 49.693370] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 49.694363] ? irqentry_exit+0xf3/0x650 [ 49.695132] do_syscall_64+0xbf/0x430 [ 49.695883] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 49.696828] RIP: 0033:0x7f0dae2455cd [ 49.697536] 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 [ 49.700329] RSP: 002b:00007fff957299f0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 49.701463] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f0dae2455cd [ 49.702561] RDX: 0000564b28a10e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 49.703623] RBP: 00007fff95729a50 R08: 0000000000000000 R09: 00007fff957290f0 [ 49.704678] R10: 0000000000000000 R11: 0000000000000246 R12: 0000564b52ae3ad0 [ 49.705736] R13: 00007fff95729e80 R14: 0000564b52ae4bc0 R15: 0000564b52af5780 [ 49.706839] [ 49.707191] irq event stamp: 1725 [ 49.707743] hardirqs last enabled at (1741): [] __up_console_sem+0x78/0x80 [ 49.708991] hardirqs last disabled at (1750): [] __up_console_sem+0x5d/0x80 [ 49.710284] softirqs last enabled at (1738): [] handle_softirqs+0x50c/0x770 [ 49.711566] softirqs last disabled at (1733): [] __irq_exit_rcu+0xc4/0x100 [ 49.712816] ---[ end trace 0000000000000000 ]--- [ 50.433981] ------------[ cut here ]------------ [ 50.434964] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 50.437084] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/249 [ 50.438573] Modules linked in: [ 50.439169] CPU: 0 UID: 104 PID: 249 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 50.441164] Tainted: [W]=WARN [ 50.441780] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 50.443265] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 50.444179] 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 [ 50.447453] RSP: 0018:ffff8880172f7bc0 EFLAGS: 00010286 [ 50.448418] RAX: 0000000000000000 RBX: ffffed1002e5ef78 RCX: ffffffff813a4050 [ 50.449768] RDX: ffff88800f3c8000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 50.451084] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002e5ef2f [ 50.452365] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 50.453635] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff8880172f7df8 [ 50.454961] FS: 00007fcc4100f900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 50.456453] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.457542] CR2: 00007fcc415754a6 CR3: 0000000010180000 CR4: 0000000000350ef0 [ 50.458863] Call Trace: [ 50.459335] [ 50.459784] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 50.460694] ? __create_object+0x59/0x80 [ 50.461503] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 50.462509] __vmalloc_noprof+0x59/0x60 [ 50.463237] bpf_prog_alloc_no_stats+0x55/0x470 [ 50.464109] ? __pfx_seccomp_check_filter+0x10/0x10 [ 50.465052] bpf_prog_alloc+0x39/0x200 [ 50.465797] ? __pfx_seccomp_check_filter+0x10/0x10 [ 50.466758] bpf_prog_create_from_user+0xb2/0x2f0 [ 50.467665] do_seccomp+0x349/0x25e0 [ 50.468348] ? find_held_lock+0x2b/0x80 [ 50.469117] ? do_prlimit+0x310/0x610 [ 50.469882] ? __pfx_do_seccomp+0x10/0x10 [ 50.470690] ? do_raw_spin_unlock+0x53/0x220 [ 50.471554] ? _raw_spin_unlock+0x1e/0x40 [ 50.472313] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 50.473285] ? static_key_count+0x60/0x80 [ 50.474084] prctl_set_seccomp+0x4e/0x70 [ 50.474869] __do_sys_prctl+0xe6c/0x1d70 [ 50.475672] ? __pfx___do_sys_prctl+0x10/0x10 [ 50.476540] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 50.477519] ? irqentry_exit+0xf3/0x650 [ 50.478251] do_syscall_64+0xbf/0x430 [ 50.478999] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 50.479963] RIP: 0033:0x7fcc415015cd [ 50.480673] 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 [ 50.483887] RSP: 002b:00007fffc2d68250 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 50.485266] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fcc415015cd [ 50.486575] RDX: 000055beae93de00 RSI: 0000000000000002 RDI: 0000000000000016 [ 50.487874] RBP: 00007fffc2d682b0 R08: 0000000000000000 R09: 00007fffc2d67950 [ 50.489154] R10: 0000000000000000 R11: 0000000000000246 R12: 000055beb14a5ad0 [ 50.490479] R13: 00007fffc2d686e0 R14: 000055beb14a6bc0 R15: 000055beb14b7780 [ 50.491804] [ 50.492236] irq event stamp: 1745 [ 50.492893] hardirqs last enabled at (1755): [] __up_console_sem+0x78/0x80 [ 50.494451] hardirqs last disabled at (1766): [] __up_console_sem+0x5d/0x80 [ 50.495984] softirqs last enabled at (1724): [] handle_softirqs+0x50c/0x770 [ 50.497564] softirqs last disabled at (1719): [] __irq_exit_rcu+0xc4/0x100 [ 50.499064] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:4155' (ECDSA) to the list of known hosts. 2025/11/17 22:25:48 fuzzer started 2025/11/17 22:25:48 dialing manager at localhost:37895 2025/11/17 22:25:48 checking machine... 2025/11/17 22:25:48 checking revisions... [ 51.410163] kmemleak: Automatic memory scanning thread ended 2025/11/17 22:25:49 testing simple program... [ 51.493684] cgroup: Unknown subsys name 'net' [ 51.555287] cgroup: Unknown subsys name 'cpuset' [ 51.567031] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program VM DIAGNOSIS: 22:25:48 Registers: info registers vcpu 0 RAX=0000000080010000 RBX=ffff88806ce37340 RCX=ffffffff81848d4e RDX=ffff888015fa9bc0 RSI=ffffffff8148aa3f RDI=ffffffff85a8dc80 RBP=ffff88806ce08d30 RSP=ffff88806ce08ce8 R8 =0000000000000000 R9 =fffffbfff0cc9eca R10=0000000000000000 R11=0000000000008d11 R12=ffff88806ce37340 R13=0000000000000000 R14=0000000000000000 R15=dffffc0000000000 RIP=ffffffff81501b50 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 00007f0dadd53900 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe5000000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f0dadd1d008 CR3=00000000205ef000 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=0000000000000046 RBX=0000000000000246 RCX=ffffffff817d97d6 RDX=0000000000000000 RSI=0000000000000008 RDI=ffff88806cf31cd0 RBP=ffffffff85f109a0 RSP=ffff88806cf08d60 R8 =0000000000000000 R9 =0000000000000001 R10=ffffffff8664f657 R11=0000000000000001 R12=0000000000000000 R13=0000000000000246 R14=ffff888008c41780 R15=0000000000000000 RIP=ffffffff81526d83 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 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=00007ffcd0cb1708 CR3=0000000005c8a000 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=00007f1c833965100000559b020a1790 XMM02=6f6974707972636e6561737268746977 XMM03=00000000000000000000000000777074 XMM04=40404040404040404040404040404040 XMM05=5a5a5a5a5a5a5a5a5a5a5a5a5a5a5a5a XMM06=20202020202020202020202020202020 XMM07=ffffffffffff00ffffff00ffffff00ff XMM08=00002000000000202020002020200000 XMM09=ffffffffffff00ffffff00ffffff00ff XMM10=00002000000000202020002020200000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000