syzkaller login: [ 45.832050] ------------[ cut here ]------------ [ 45.832823] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 45.834526] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/233 [ 45.835735] Modules linked in: [ 45.836257] CPU: 0 UID: 104 PID: 233 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 45.837930] Tainted: [W]=WARN [ 45.838425] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 45.839733] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 45.840488] 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 [ 45.843145] RSP: 0018:ffff8880169d7bc0 EFLAGS: 00010286 [ 45.843955] RAX: 0000000000000000 RBX: ffffed1002d3af78 RCX: ffffffff813a4050 [ 45.845029] RDX: ffff88801a89d340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 45.846095] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002d3af2f [ 45.847154] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 45.848229] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff8880169d7df8 [ 45.849289] FS: 00007f3944d4e900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 45.850492] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 45.851373] CR2: 00007ffe0d7b5ef8 CR3: 000000000e57d000 CR4: 0000000000350ef0 [ 45.852440] Call Trace: [ 45.852822] [ 45.853157] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 45.853911] ? __create_object+0x59/0x80 [ 45.854556] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 45.855355] __vmalloc_noprof+0x59/0x60 [ 45.855949] bpf_prog_alloc_no_stats+0x55/0x470 [ 45.856673] ? __pfx_seccomp_check_filter+0x10/0x10 [ 45.857443] bpf_prog_alloc+0x39/0x200 [ 45.858030] ? __pfx_seccomp_check_filter+0x10/0x10 [ 45.858799] bpf_prog_create_from_user+0xb2/0x2f0 [ 45.859551] do_seccomp+0x349/0x25e0 [ 45.860110] ? find_held_lock+0x2b/0x80 [ 45.860738] ? do_prlimit+0x310/0x610 [ 45.861349] ? __pfx_do_seccomp+0x10/0x10 [ 45.861980] ? do_raw_spin_unlock+0x53/0x220 [ 45.862669] ? _raw_spin_unlock+0x1e/0x40 [ 45.863309] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 45.864070] ? static_key_count+0x60/0x80 [ 45.864731] prctl_set_seccomp+0x4e/0x70 [ 45.865370] __do_sys_prctl+0xe6c/0x1d70 [ 45.865993] ? __pfx___do_sys_prctl+0x10/0x10 [ 45.866714] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 45.867523] ? irqentry_exit+0xf3/0x650 [ 45.868119] do_syscall_64+0xbf/0x430 [ 45.868738] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 45.869527] RIP: 0033:0x7f39452405cd [ 45.870083] 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 [ 45.872691] RSP: 002b:00007ffe0d7b4570 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 45.873828] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f39452405cd [ 45.874897] RDX: 000055ec562eee00 RSI: 0000000000000002 RDI: 0000000000000016 [ 45.875957] RBP: 00007ffe0d7b45d0 R08: 0000000000000000 R09: 00007ffe0d7b3c70 [ 45.877025] R10: 0000000000000000 R11: 0000000000000246 R12: 000055ec6f94dad0 [ 45.878096] R13: 00007ffe0d7b4a00 R14: 000055ec6f94ebc0 R15: 000055ec6f95f780 [ 45.879180] [ 45.879573] irq event stamp: 1757 [ 45.880080] hardirqs last enabled at (1765): [] __up_console_sem+0x78/0x80 [ 45.881349] hardirqs last disabled at (1774): [] __up_console_sem+0x5d/0x80 [ 45.882624] softirqs last enabled at (1302): [] handle_softirqs+0x50c/0x770 [ 45.883903] softirqs last disabled at (1283): [] __irq_exit_rcu+0xc4/0x100 [ 45.885177] ---[ end trace 0000000000000000 ]--- [ 48.751793] ------------[ cut here ]------------ [ 48.752711] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 48.754786] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/241 [ 48.756247] Modules linked in: [ 48.756840] CPU: 1 UID: 104 PID: 241 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 48.760289] Tainted: [W]=WARN [ 48.760846] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 48.762476] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 48.763402] 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 [ 48.766611] RSP: 0018:ffff888017fcfbc0 EFLAGS: 00010286 [ 48.767592] RAX: 0000000000000000 RBX: ffffed1002ff9f78 RCX: ffffffff813a4050 [ 48.768882] RDX: ffff8880161a1bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 48.770182] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002ff9f2f [ 48.771507] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 48.772798] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888017fcfdf8 [ 48.774113] FS: 00007fb4d78e3900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 48.775577] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 48.776662] CR2: 00007fb4d7dd5580 CR3: 000000001fc68000 CR4: 0000000000350ef0 [ 48.777968] Call Trace: [ 48.778476] [ 48.778891] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 48.779797] ? __create_object+0x59/0x80 [ 48.780582] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 48.781553] __vmalloc_noprof+0x59/0x60 [ 48.782335] bpf_prog_alloc_no_stats+0x55/0x470 [ 48.783176] ? __pfx_seccomp_check_filter+0x10/0x10 [ 48.784118] bpf_prog_alloc+0x39/0x200 [ 48.784864] ? __pfx_seccomp_check_filter+0x10/0x10 [ 48.785812] bpf_prog_create_from_user+0xb2/0x2f0 [ 48.786756] do_seccomp+0x349/0x25e0 [ 48.787490] ? __pfx_css_rstat_updated+0x10/0x10 [ 48.788409] ? __pfx_do_seccomp+0x10/0x10 [ 48.789175] ? find_held_lock+0x2b/0x80 [ 48.789956] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 48.790925] ? static_key_count+0x60/0x80 [ 48.791740] prctl_set_seccomp+0x4e/0x70 [ 48.792531] __do_sys_prctl+0xe6c/0x1d70 [ 48.793324] ? __pfx___do_sys_prctl+0x10/0x10 [ 48.794167] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 48.795144] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 48.796130] ? irqentry_exit+0xf3/0x650 [ 48.796912] do_syscall_64+0xbf/0x430 [ 48.797652] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 48.798634] RIP: 0033:0x7fb4d7dd55cd [ 48.799382] 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 [ 48.802634] RSP: 002b:00007fff463a0a70 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 48.803860] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fb4d7dd55cd [ 48.805007] RDX: 000055a85d1abe00 RSI: 0000000000000002 RDI: 0000000000000016 [ 48.806171] RBP: 00007fff463a0ad0 R08: 0000000000000000 R09: 00007fff463a0170 [ 48.807324] R10: 0000000000000000 R11: 0000000000000246 R12: 000055a88744bad0 [ 48.808462] R13: 00007fff463a0f00 R14: 000055a88744cbc0 R15: 000055a88745d780 [ 48.809623] [ 48.810021] irq event stamp: 2115 [ 48.810600] hardirqs last enabled at (2125): [] __up_console_sem+0x78/0x80 [ 48.811966] hardirqs last disabled at (2134): [] __up_console_sem+0x5d/0x80 [ 48.813329] softirqs last enabled at (1988): [] handle_softirqs+0x50c/0x770 [ 48.814710] softirqs last disabled at (1979): [] __irq_exit_rcu+0xc4/0x100 [ 48.816066] ---[ end trace 0000000000000000 ]--- [ 49.533684] ------------[ cut here ]------------ [ 49.534661] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 49.536780] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/248 [ 49.538284] Modules linked in: [ 49.538891] CPU: 0 UID: 104 PID: 248 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 49.540996] Tainted: [W]=WARN [ 49.541606] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 49.543133] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 49.544081] 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 [ 49.547358] RSP: 0018:ffff88800f25fbc0 EFLAGS: 00010286 [ 49.548357] RAX: 0000000000000000 RBX: ffffed1001e4bf78 RCX: ffffffff813a4050 [ 49.549677] RDX: ffff888017fb1bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 49.550999] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1001e4bf2f [ 49.552310] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 49.553618] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88800f25fdf8 [ 49.554948] FS: 00007f5aa7ed7900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 49.556423] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 49.557501] CR2: 00007ffc2864def8 CR3: 0000000009d50000 CR4: 0000000000350ef0 [ 49.558827] Call Trace: [ 49.559337] [ 49.559758] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 49.560668] ? __create_object+0x59/0x80 [ 49.561464] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 49.562455] __vmalloc_noprof+0x59/0x60 [ 49.563176] bpf_prog_alloc_no_stats+0x55/0x470 [ 49.564056] ? __pfx_seccomp_check_filter+0x10/0x10 [ 49.564992] bpf_prog_alloc+0x39/0x200 [ 49.565718] ? __pfx_seccomp_check_filter+0x10/0x10 [ 49.566654] bpf_prog_create_from_user+0xb2/0x2f0 [ 49.567569] do_seccomp+0x349/0x25e0 [ 49.568294] ? find_held_lock+0x2b/0x80 [ 49.569018] ? do_prlimit+0x310/0x610 [ 49.569770] ? __pfx_do_seccomp+0x10/0x10 [ 49.570566] ? do_raw_spin_unlock+0x53/0x220 [ 49.571397] ? _raw_spin_unlock+0x1e/0x40 [ 49.572143] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 49.573124] ? static_key_count+0x60/0x80 [ 49.573933] prctl_set_seccomp+0x4e/0x70 [ 49.574707] __do_sys_prctl+0xe6c/0x1d70 [ 49.575500] ? __pfx___do_sys_prctl+0x10/0x10 [ 49.576353] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 49.577323] ? irqentry_exit+0xf3/0x650 [ 49.578069] do_syscall_64+0xbf/0x430 [ 49.578821] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 49.579769] RIP: 0033:0x7f5aa83c95cd [ 49.580483] 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 [ 49.583690] RSP: 002b:00007ffc2864bdf0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 49.585061] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f5aa83c95cd [ 49.586368] RDX: 000055c5d381be00 RSI: 0000000000000002 RDI: 0000000000000016 [ 49.587650] RBP: 00007ffc2864be50 R08: 0000000000000000 R09: 00007ffc2864b4f0 [ 49.588966] R10: 0000000000000000 R11: 0000000000000246 R12: 000055c5f0a242b0 [ 49.590264] R13: 00007ffc2864c280 R14: 000055c5f0a26d20 R15: 000055c5f0a388d0 [ 49.591575] [ 49.591998] irq event stamp: 1725 [ 49.592642] hardirqs last enabled at (1735): [] __up_console_sem+0x78/0x80 [ 49.594176] hardirqs last disabled at (1744): [] __up_console_sem+0x5d/0x80 [ 49.595742] softirqs last enabled at (1580): [] handle_softirqs+0x50c/0x770 [ 49.597280] softirqs last disabled at (1575): [] __irq_exit_rcu+0xc4/0x100 [ 49.598594] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:2251' (ECDSA) to the list of known hosts. 2025/11/17 19:44:54 fuzzer started 2025/11/17 19:44:54 dialing manager at localhost:37895 2025/11/17 19:44:54 checking machine... 2025/11/17 19:44:54 checking revisions... [ 50.481683] kmemleak: Automatic memory scanning thread ended 2025/11/17 19:44:54 testing simple program... [ 50.563585] cgroup: Unknown subsys name 'net' [ 50.632265] cgroup: Unknown subsys name 'cpuset' [ 50.644672] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program VM DIAGNOSIS: 19:44:53 Registers: info registers vcpu 0 RAX=dffffc0000000000 RBX=ffff8880e538f000 RCX=0000000000000001 RDX=0000000000000000 RSI=ffffffff8135e7a2 RDI=ffff88806ce31cd0 RBP=ffffffff85e1ffe0 RSP=ffff8880096276a8 R8 =0000000000000001 R9 =ffff8880096277b0 R10=000000000003c9ed R11=0000000000008964 R12=ffffffff8135e7a2 R13=ffff8880096277b8 R14=ffff888009627d88 R15=ffff888009627770 RIP=ffffffff815bcfa0 RFL=00000216 [----AP-] 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 fffffe7c00000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007fff4639a000 CR3=000000001fc3a000 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=6720646572637465733a4d41503d706f 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=0000000000025a41 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 fffffe2c00000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007fff559128b8 CR3=000000000dddd000 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=cb60d13d790aa19ffa4396d0f0fcf92e XMM02=ec2efd57dc4c00df00000000003051b0 XMM03=67701affca3f55360000000000305280 XMM04=ec0f1748edd508ea00000000000ae988 XMM05=d96330e2d2db86320000000000321b98 XMM06=474038aa6c007e1f0000000000321a20 XMM07=e042d86d42eb936e0000000000313138 XMM08=67701affca3f55360000000000305280 XMM09=00000000000000000000000000000000 XMM10=20200000000020202020202020200000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000