syzkaller login: [ 46.861526] ------------[ cut here ]------------ [ 46.862436] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 46.864448] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/234 [ 46.865935] Modules linked in: [ 46.866532] CPU: 0 UID: 104 PID: 234 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 46.868514] Tainted: [W]=WARN [ 46.869126] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 46.870597] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 46.871517] 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 [ 46.874742] RSP: 0018:ffff888019ec7bc0 EFLAGS: 00010286 [ 46.875738] RAX: 0000000000000000 RBX: ffffed10033d8f78 RCX: ffffffff813a4050 [ 46.877030] RDX: ffff88800e0f3780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 46.878333] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed10033d8f2f [ 46.879632] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 46.880940] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888019ec7df8 [ 46.882235] FS: 00007f3e5cd88900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 46.883698] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 46.884776] CR2: 00007ffedf203ef8 CR3: 000000000dbf1000 CR4: 0000000000350ef0 [ 46.886083] Call Trace: [ 46.886552] [ 46.886997] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 46.887856] ? __create_object+0x59/0x80 [ 46.888658] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 46.889640] __vmalloc_noprof+0x59/0x60 [ 46.890392] bpf_prog_alloc_no_stats+0x55/0x470 [ 46.891267] ? __pfx_seccomp_check_filter+0x10/0x10 [ 46.892227] bpf_prog_alloc+0x39/0x200 [ 46.892979] ? __pfx_seccomp_check_filter+0x10/0x10 [ 46.893878] bpf_prog_create_from_user+0xb2/0x2f0 [ 46.894804] do_seccomp+0x349/0x25e0 [ 46.895521] ? find_held_lock+0x2b/0x80 [ 46.896299] ? do_prlimit+0x310/0x610 [ 46.897063] ? __pfx_do_seccomp+0x10/0x10 [ 46.897814] ? do_raw_spin_unlock+0x53/0x220 [ 46.898636] ? _raw_spin_unlock+0x1e/0x40 [ 46.899409] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 46.900398] ? static_key_count+0x60/0x80 [ 46.901209] prctl_set_seccomp+0x4e/0x70 [ 46.902000] __do_sys_prctl+0xe6c/0x1d70 [ 46.902733] ? __pfx___do_sys_prctl+0x10/0x10 [ 46.903596] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 46.904587] ? irqentry_exit+0xf3/0x650 [ 46.905361] do_syscall_64+0xbf/0x430 [ 46.906129] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 46.907102] RIP: 0033:0x7f3e5d27a5cd [ 46.907780] 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 [ 46.910951] RSP: 002b:00007ffedf201380 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 46.912349] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f3e5d27a5cd [ 46.913650] RDX: 000055723e9f7e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 46.914957] RBP: 00007ffedf2013e0 R08: 0000000000000000 R09: 00007ffedf200a80 [ 46.916266] R10: 0000000000000000 R11: 0000000000000246 R12: 0000557265a8fad0 [ 46.917532] R13: 00007ffedf201810 R14: 0000557265a90bc0 R15: 0000557265aa1780 [ 46.918841] [ 46.919298] irq event stamp: 1699 [ 46.919951] hardirqs last enabled at (1709): [] __up_console_sem+0x78/0x80 [ 46.921376] hardirqs last disabled at (1718): [] __up_console_sem+0x5d/0x80 [ 46.922650] softirqs last enabled at (1602): [] handle_softirqs+0x50c/0x770 [ 46.923941] softirqs last disabled at (1597): [] __irq_exit_rcu+0xc4/0x100 [ 46.925218] ---[ end trace 0000000000000000 ]--- [ 50.234762] ------------[ cut here ]------------ [ 50.235675] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 50.237683] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/241 [ 50.239338] Modules linked in: [ 50.239973] CPU: 1 UID: 104 PID: 241 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 50.241949] Tainted: [W]=WARN [ 50.242495] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 50.243944] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 50.244829] 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 [ 50.247954] RSP: 0018:ffff888016df7bc0 EFLAGS: 00010286 [ 50.248973] RAX: 0000000000000000 RBX: ffffed1002dbef78 RCX: ffffffff813a4050 [ 50.250244] RDX: ffff88800f4e0000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 50.251519] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002dbef2f [ 50.252827] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 50.254113] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888016df7df8 [ 50.255402] FS: 00007f4b2d1ef900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 50.256835] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.257878] CR2: 00007fff37a68ef8 CR3: 000000000c920000 CR4: 0000000000350ef0 [ 50.259234] Call Trace: [ 50.259692] [ 50.260165] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 50.261047] ? __create_object+0x59/0x80 [ 50.261780] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 50.262742] __vmalloc_noprof+0x59/0x60 [ 50.263483] bpf_prog_alloc_no_stats+0x55/0x470 [ 50.264366] ? __pfx_seccomp_check_filter+0x10/0x10 [ 50.265302] bpf_prog_alloc+0x39/0x200 [ 50.266050] ? __pfx_seccomp_check_filter+0x10/0x10 [ 50.266975] bpf_prog_create_from_user+0xb2/0x2f0 [ 50.267827] do_seccomp+0x349/0x25e0 [ 50.268575] ? find_held_lock+0x2b/0x80 [ 50.269344] ? do_prlimit+0x310/0x610 [ 50.270089] ? __pfx_do_seccomp+0x10/0x10 [ 50.270830] ? do_raw_spin_unlock+0x53/0x220 [ 50.271649] ? _raw_spin_unlock+0x1e/0x40 [ 50.272440] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 50.273401] ? static_key_count+0x60/0x80 [ 50.274197] prctl_set_seccomp+0x4e/0x70 [ 50.274974] __do_sys_prctl+0xe6c/0x1d70 [ 50.275701] ? __pfx___do_sys_prctl+0x10/0x10 [ 50.276579] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 50.277536] ? irqentry_exit+0xf3/0x650 [ 50.278304] do_syscall_64+0xbf/0x430 [ 50.279038] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 50.279990] RIP: 0033:0x7f4b2d6e15cd [ 50.280668] 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 [ 50.283816] RSP: 002b:00007fff37a67aa0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 50.285194] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f4b2d6e15cd [ 50.286480] RDX: 00005556a0cb6e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 50.287748] RBP: 00007fff37a67b00 R08: 0000000000000000 R09: 00007fff37a671a0 [ 50.289064] R10: 0000000000000000 R11: 0000000000000246 R12: 00005556de851b10 [ 50.290357] R13: 00007fff37a67f30 R14: 00005556de8522b0 R15: 00005556de8666f0 [ 50.291669] [ 50.292148] irq event stamp: 1903 [ 50.292773] hardirqs last enabled at (1911): [] __up_console_sem+0x78/0x80 [ 50.294326] hardirqs last disabled at (1920): [] __up_console_sem+0x5d/0x80 [ 50.295853] softirqs last enabled at (1824): [] handle_softirqs+0x50c/0x770 [ 50.297464] softirqs last disabled at (1809): [] __irq_exit_rcu+0xc4/0x100 [ 50.298992] ---[ end trace 0000000000000000 ]--- [ 51.119234] ------------[ cut here ]------------ [ 51.120201] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 51.122187] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/248 [ 51.123659] Modules linked in: [ 51.124321] CPU: 1 UID: 104 PID: 248 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 51.126382] Tainted: [W]=WARN [ 51.126996] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 51.128484] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 51.129430] 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 [ 51.132621] RSP: 0018:ffff888016df7bc0 EFLAGS: 00010286 [ 51.133604] RAX: 0000000000000000 RBX: ffffed1002dbef78 RCX: ffffffff813a4050 [ 51.134920] RDX: ffff8880167a5340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 51.136248] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002dbef2f [ 51.137566] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 51.138872] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888016df7df8 [ 51.140193] FS: 00007fd883537900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 51.141661] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 51.142736] CR2: 00007ffded18eef8 CR3: 000000001f7a2000 CR4: 0000000000350ef0 [ 51.144041] Call Trace: [ 51.144524] [ 51.144994] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 51.145867] ? __create_object+0x59/0x80 [ 51.146669] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 51.147647] __vmalloc_noprof+0x59/0x60 [ 51.148421] bpf_prog_alloc_no_stats+0x55/0x470 [ 51.149316] ? __pfx_seccomp_check_filter+0x10/0x10 [ 51.150276] bpf_prog_alloc+0x39/0x200 [ 51.151016] ? __pfx_seccomp_check_filter+0x10/0x10 [ 51.151964] bpf_prog_create_from_user+0xb2/0x2f0 [ 51.152853] do_seccomp+0x349/0x25e0 [ 51.153584] ? find_held_lock+0x2b/0x80 [ 51.154346] ? do_prlimit+0x310/0x610 [ 51.155108] ? __pfx_do_seccomp+0x10/0x10 [ 51.155867] ? do_raw_spin_unlock+0x53/0x220 [ 51.156733] ? _raw_spin_unlock+0x1e/0x40 [ 51.157527] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 51.158503] ? static_key_count+0x60/0x80 [ 51.159324] prctl_set_seccomp+0x4e/0x70 [ 51.160128] __do_sys_prctl+0xe6c/0x1d70 [ 51.160873] ? __pfx___do_sys_prctl+0x10/0x10 [ 51.161761] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 51.162743] ? irqentry_exit+0xf3/0x650 [ 51.163511] do_syscall_64+0xbf/0x430 [ 51.164275] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 51.165259] RIP: 0033:0x7fd883a295cd [ 51.165958] 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 [ 51.169156] RSP: 002b:00007ffded18da30 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 51.170530] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fd883a295cd [ 51.171822] RDX: 0000564211e85e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 51.173126] RBP: 00007ffded18da90 R08: 0000000000000000 R09: 00007ffded18d130 [ 51.174424] R10: 0000000000000000 R11: 0000000000000246 R12: 000056424fd5ebf0 [ 51.175712] R13: 00007ffded18dec0 R14: 000056424fd68380 R15: 000056424fd73460 [ 51.176999] [ 51.177349] irq event stamp: 1733 [ 51.177844] hardirqs last enabled at (1741): [] __up_console_sem+0x78/0x80 [ 51.179111] hardirqs last disabled at (1766): [] __up_console_sem+0x5d/0x80 [ 51.180402] softirqs last enabled at (1764): [] handle_softirqs+0x50c/0x770 [ 51.181682] softirqs last disabled at (1749): [] __irq_exit_rcu+0xc4/0x100 [ 51.182940] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:9738' (ECDSA) to the list of known hosts. 2025/11/18 23:31:30 fuzzer started 2025/11/18 23:31:30 dialing manager at localhost:34383 2025/11/18 23:31:30 checking machine... 2025/11/18 23:31:30 checking revisions... [ 52.053830] kmemleak: Automatic memory scanning thread ended 2025/11/18 23:31:30 testing simple program... [ 52.120197] cgroup: Unknown subsys name 'net' [ 52.175999] cgroup: Unknown subsys name 'cpuset' [ 52.183445] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program VM DIAGNOSIS: 23:31:30 Registers: info registers vcpu 0 RAX=dffffc0000000000 RBX=00007f4b2d6e220c RCX=ffff88801762f454 RDX=0000000000000000 RSI=ffffffff85e1ffe0 RDI=ffff8880142f83fc RBP=ffff8880142f8000 RSP=ffff88801762f460 R8 =0000000000000001 R9 =0000000000000000 R10=0000000000000001 R11=0000000000000001 R12=ffff88801762f500 R13=0000000000000000 R14=ffff8880142f8000 R15=ffff888008c4b140 RIP=ffffffff815d2b50 RFL=00000213 [----A-C] 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 00007f4b2d1ef900 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe7400000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f4b2d7a4650 CR3=000000001f68f000 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=000000000000000000000000000000ff XMM02=000000000000000000000000000000ff XMM03=5320444f4854454d5f54505952434e45 XMM04=40404040404040404040404040404040 XMM05=5a5a5a5a5a5a5a5a5a5a5a5a5a5a5a5a XMM06=20202020202020202020202020202020 XMM07=00000000000000000000000000000000 XMM08=ffbc64ffffbc44ffffbc34ffffbc9f00 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=000000000002a895 RBX=0000000000000001 RCX=ffffffff84c72d57 RDX=0000000000000000 RSI=0000000000000000 RDI=ffffffff814d2c90 RBP=dffffc0000000000 RSP=ffff8880096efe58 R8 =0000000000000001 R9 =ffffed100d9e639a R10=ffff88806cf31cd3 R11=0000000000000001 R12=ffffffff8664f850 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 fffffe5000000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007ffeeff87ed8 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=00007fcad126651000005650d7c70790 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