syzkaller login: [ 54.100656] ------------[ cut here ]------------ [ 54.101587] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 54.103613] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/237 [ 54.105097] Modules linked in: [ 54.105688] CPU: 0 UID: 104 PID: 237 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 54.107717] Tainted: [W]=WARN [ 54.108325] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 54.109820] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 54.110744] 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 [ 54.113928] RSP: 0018:ffff8880143ffbc0 EFLAGS: 00010286 [ 54.114911] RAX: 0000000000000000 RBX: ffffed100287ff78 RCX: ffffffff813a4050 [ 54.116208] RDX: ffff888018385340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 54.117518] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed100287ff2f [ 54.118819] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 54.120129] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff8880143ffdf8 [ 54.121421] FS: 00007f88b5d53900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 54.122864] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 54.123958] CR2: 00007f88b6245580 CR3: 000000000d673000 CR4: 0000000000350ef0 [ 54.125276] Call Trace: [ 54.125739] [ 54.126187] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 54.127032] ? __create_object+0x59/0x80 [ 54.127819] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 54.128810] __vmalloc_noprof+0x59/0x60 [ 54.129584] bpf_prog_alloc_no_stats+0x55/0x470 [ 54.130481] ? __pfx_seccomp_check_filter+0x10/0x10 [ 54.131421] bpf_prog_alloc+0x39/0x200 [ 54.132166] ? __pfx_seccomp_check_filter+0x10/0x10 [ 54.133115] bpf_prog_create_from_user+0xb2/0x2f0 [ 54.133987] do_seccomp+0x349/0x25e0 [ 54.134719] ? __pfx_css_rstat_updated+0x10/0x10 [ 54.135619] ? __pfx_do_seccomp+0x10/0x10 [ 54.136429] ? find_held_lock+0x2b/0x80 [ 54.137198] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 54.138157] ? static_key_count+0x60/0x80 [ 54.138925] prctl_set_seccomp+0x4e/0x70 [ 54.139712] __do_sys_prctl+0xe6c/0x1d70 [ 54.140500] ? __pfx___do_sys_prctl+0x10/0x10 [ 54.141362] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 54.142337] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 54.143316] ? irqentry_exit+0xf3/0x650 [ 54.144116] do_syscall_64+0xbf/0x430 [ 54.144818] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 54.145778] RIP: 0033:0x7f88b62455cd [ 54.146491] 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 [ 54.149694] RSP: 002b:00007ffd57dde7a0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 54.151079] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f88b62455cd [ 54.152389] RDX: 0000563fd66a1e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 54.153687] RBP: 00007ffd57dde800 R08: 0000000000000000 R09: 00007ffd57dddea0 [ 54.154981] R10: 0000000000000000 R11: 0000000000000246 R12: 000056400ebb1ad0 [ 54.156265] R13: 00007ffd57ddec30 R14: 000056400ebb2bc0 R15: 000056400ebc3780 [ 54.157592] [ 54.158016] irq event stamp: 1733 [ 54.158669] hardirqs last enabled at (1743): [] __up_console_sem+0x78/0x80 [ 54.160215] hardirqs last disabled at (1752): [] __up_console_sem+0x5d/0x80 [ 54.161766] softirqs last enabled at (1568): [] handle_softirqs+0x50c/0x770 [ 54.163385] softirqs last disabled at (1771): [] __irq_exit_rcu+0xc4/0x100 [ 54.164938] ---[ end trace 0000000000000000 ]--- [ 57.271751] ------------[ cut here ]------------ [ 57.272707] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 57.274698] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/246 [ 57.276151] Modules linked in: [ 57.276746] CPU: 1 UID: 104 PID: 246 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 57.278768] Tainted: [W]=WARN [ 57.279375] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 57.280842] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 57.281773] 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 [ 57.284970] RSP: 0018:ffff88801b4dfbc0 EFLAGS: 00010286 [ 57.285938] RAX: 0000000000000000 RBX: ffffed100369bf78 RCX: ffffffff813a4050 [ 57.287225] RDX: ffff888016a8b780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 57.288546] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed100369bf2f [ 57.289850] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 57.291152] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801b4dfdf8 [ 57.292466] FS: 00007f83a46f2900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 57.293921] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 57.294998] CR2: 00007f83a4be4580 CR3: 0000000009f82000 CR4: 0000000000350ef0 [ 57.296306] Call Trace: [ 57.296788] [ 57.297249] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 57.298140] ? __create_object+0x59/0x80 [ 57.298882] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 57.299848] __vmalloc_noprof+0x59/0x60 [ 57.300619] bpf_prog_alloc_no_stats+0x55/0x470 [ 57.301498] ? __pfx_seccomp_check_filter+0x10/0x10 [ 57.302439] bpf_prog_alloc+0x39/0x200 [ 57.303189] ? __pfx_seccomp_check_filter+0x10/0x10 [ 57.304134] bpf_prog_create_from_user+0xb2/0x2f0 [ 57.304998] do_seccomp+0x349/0x25e0 [ 57.305719] ? __pfx_css_rstat_updated+0x10/0x10 [ 57.306617] ? __pfx_do_seccomp+0x10/0x10 [ 57.307407] ? find_held_lock+0x2b/0x80 [ 57.308181] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 57.309168] ? static_key_count+0x60/0x80 [ 57.309933] prctl_set_seccomp+0x4e/0x70 [ 57.310719] __do_sys_prctl+0xe6c/0x1d70 [ 57.311507] ? __pfx___do_sys_prctl+0x10/0x10 [ 57.312396] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 57.313371] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 57.314345] ? irqentry_exit+0xf3/0x650 [ 57.315099] do_syscall_64+0xbf/0x430 [ 57.315795] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 57.316753] RIP: 0033:0x7f83a4be45cd [ 57.317467] 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 [ 57.320656] RSP: 002b:00007ffe35ac83a0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 57.322028] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f83a4be45cd [ 57.323333] RDX: 0000563f1227be00 RSI: 0000000000000002 RDI: 0000000000000016 [ 57.324632] RBP: 00007ffe35ac8400 R08: 0000000000000000 R09: 00007ffe35ac7aa0 [ 57.325919] R10: 0000000000000000 R11: 0000000000000246 R12: 0000563f29731ad0 [ 57.327200] R13: 00007ffe35ac8830 R14: 0000563f29732bc0 R15: 0000563f29743780 [ 57.328516] [ 57.328940] irq event stamp: 1741 [ 57.329593] hardirqs last enabled at (1757): [] __up_console_sem+0x78/0x80 [ 57.331134] hardirqs last disabled at (1766): [] __up_console_sem+0x5d/0x80 [ 57.332691] softirqs last enabled at (1754): [] handle_softirqs+0x50c/0x770 [ 57.334233] softirqs last disabled at (1749): [] __irq_exit_rcu+0xc4/0x100 [ 57.335750] ---[ end trace 0000000000000000 ]--- [ 58.153927] ------------[ cut here ]------------ [ 58.154730] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 58.156460] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/254 [ 58.157720] Modules linked in: [ 58.158285] CPU: 0 UID: 104 PID: 254 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 58.159974] Tainted: [W]=WARN [ 58.160558] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 58.161817] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 58.162604] 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 [ 58.165322] RSP: 0018:ffff88800f167bc0 EFLAGS: 00010286 [ 58.166164] RAX: 0000000000000000 RBX: ffffed1001e2cf78 RCX: ffffffff813a4050 [ 58.167274] RDX: ffff88801756b780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 58.168404] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1001e2cf2f [ 58.169516] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 58.170609] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88800f167df8 [ 58.171699] FS: 00007f7b7d3db900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 58.172961] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 58.173875] CR2: 00007f7b7d9414a6 CR3: 000000000ce73000 CR4: 0000000000350ef0 [ 58.174967] Call Trace: [ 58.175425] [ 58.175778] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 58.176575] ? __create_object+0x59/0x80 [ 58.177263] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 58.178158] __vmalloc_noprof+0x59/0x60 [ 58.178919] bpf_prog_alloc_no_stats+0x55/0x470 [ 58.179862] ? __pfx_seccomp_check_filter+0x10/0x10 [ 58.180887] bpf_prog_alloc+0x39/0x200 [ 58.181694] ? __pfx_seccomp_check_filter+0x10/0x10 [ 58.182714] bpf_prog_create_from_user+0xb2/0x2f0 [ 58.183686] do_seccomp+0x349/0x25e0 [ 58.184486] ? find_held_lock+0x2b/0x80 [ 58.185309] ? do_prlimit+0x310/0x610 [ 58.185902] ? __pfx_do_seccomp+0x10/0x10 [ 58.186583] ? do_raw_spin_unlock+0x53/0x220 [ 58.187311] ? _raw_spin_unlock+0x1e/0x40 [ 58.187941] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 58.188777] ? static_key_count+0x60/0x80 [ 58.189467] prctl_set_seccomp+0x4e/0x70 [ 58.190151] __do_sys_prctl+0xe6c/0x1d70 [ 58.190785] ? __pfx___do_sys_prctl+0x10/0x10 [ 58.191537] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 58.192389] ? irqentry_exit+0xf3/0x650 [ 58.193002] do_syscall_64+0xbf/0x430 [ 58.193653] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 58.194507] RIP: 0033:0x7f7b7d8cd5cd [ 58.195118] 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 [ 58.197840] RSP: 002b:00007ffd206c2240 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 58.199024] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f7b7d8cd5cd [ 58.200191] RDX: 0000564593edfe00 RSI: 0000000000000002 RDI: 0000000000000016 [ 58.201320] RBP: 00007ffd206c22a0 R08: 0000000000000000 R09: 00007ffd206c1940 [ 58.202421] R10: 0000000000000000 R11: 0000000000000246 R12: 00005645b1ea4ad0 [ 58.203520] R13: 00007ffd206c26d0 R14: 00005645b1ea5bc0 R15: 00005645b1eb6780 [ 58.204659] [ 58.205016] irq event stamp: 1757 [ 58.205579] hardirqs last enabled at (1767): [] __up_console_sem+0x78/0x80 [ 58.206871] hardirqs last disabled at (1776): [] __up_console_sem+0x5d/0x80 [ 58.208218] softirqs last enabled at (1694): [] handle_softirqs+0x50c/0x770 [ 58.209542] softirqs last disabled at (1689): [] __irq_exit_rcu+0xc4/0x100 [ 58.210852] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:42120' (ECDSA) to the list of known hosts. 2025/11/18 09:17:15 fuzzer started 2025/11/18 09:17:15 dialing manager at localhost:34383 2025/11/18 09:17:15 checking machine... 2025/11/18 09:17:15 checking revisions... [ 59.149197] kmemleak: Automatic memory scanning thread ended 2025/11/18 09:17:15 testing simple program... [ 59.237021] cgroup: Unknown subsys name 'net' [ 59.305169] cgroup: Unknown subsys name 'cpuset' [ 59.320927] cgroup: Unknown subsys name 'rlimit' executing program executing program VM DIAGNOSIS: 09:17:14 Registers: info registers vcpu 0 RAX=74316671d046a500 RBX=0000000000000000 RCX=0000000000000002 RDX=0000000000000000 RSI=0000000000000000 RDI=ffffffff85e1ffe0 RBP=ffffffff85e1ffe0 RSP=ffff88806ce08938 R8 =0000000000000000 R9 =0000000000000000 R10=ffff88806ce08a70 R11=0000000000000001 R12=0000000000000002 R13=0000000000000000 R14=0000000000000000 R15=ffff88806ce08a70 RIP=ffffffff81529242 RFL=00000292 [--S-A--] 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 fffffe6300000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007fb8adb02038 CR3=000000000c892000 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=37313a393020383120766f4e3e36383c XMM01=7365733a646873732878696e755f6d61 XMM02=736f6c63206e6f6973736573203a296e XMM03=5f6d6170203a5d3534325b6468737320 XMM04=6456774875434142334f726f59427469 XMM05=485320415352203a3268737320323738 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=ffffffff87ae7408 RBX=ffff8880096fb780 RCX=1df73873c1f9bd95 RDX=0000000097df9a42 RSI=00000000600e9c5a RDI=ffff8880096fc200 RBP=ffff8880096fc1d8 RSP=ffff888009757a10 R8 =0000000000000001 R9 =0000000000000000 R10=0000000000000001 R11=0000000000000000 R12=ffff8880096fc200 R13=00000000000011cb R14=0000000000000001 R15=1df73873c1f9bd95 RIP=ffffffff81527b66 RFL=00000012 [----A--] 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 fffffe4500000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007ffe35ac2000 CR3=000000001f5cb000 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=563412feff00545000000000000080fe XMM01=74696d7265705f6d61703d73726f746e XMM02=000000000000000000000000000000ff XMM03=5320444f4854454d5f54505952434e45 XMM04=40404040404040404040404040404040 XMM05=5a5a5a5a5a5a5a5a5a5a5a5a5a5a5a5a XMM06=20202020202020202020202020202020 XMM07=00000000000000000000000000000000 XMM08=61662029286e65706f5f746964756100 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000