syzkaller login: [ 46.660092] ------------[ cut here ]------------ [ 46.660975] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 46.663066] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/234 [ 46.664579] Modules linked in: [ 46.665229] CPU: 1 UID: 104 PID: 234 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 46.667269] Tainted: [W]=WARN [ 46.667826] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 46.669300] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 46.670234] 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 [ 46.673412] RSP: 0018:ffff888015757bc0 EFLAGS: 00010286 [ 46.674405] RAX: 0000000000000000 RBX: ffffed1002aeaf78 RCX: ffffffff813a4050 [ 46.675710] RDX: ffff888016aa3780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 46.676991] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002aeaf2f [ 46.678298] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000400dc0 [ 46.679606] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888015757df8 [ 46.680912] FS: 00007fe71a807900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 46.682370] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 46.683447] CR2: 00007ffd74c6fef8 CR3: 000000000bd5a000 CR4: 0000000000350ef0 [ 46.684775] Call Trace: [ 46.685294] [ 46.685712] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 46.686686] ? __create_object+0x59/0x80 [ 46.687489] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 46.688473] __vmalloc_noprof+0x59/0x60 [ 46.689247] bpf_prog_alloc_no_stats+0x55/0x470 [ 46.690167] ? __pfx_seccomp_check_filter+0x10/0x10 [ 46.691120] bpf_prog_alloc+0x39/0x200 [ 46.691824] ? __pfx_seccomp_check_filter+0x10/0x10 [ 46.692760] bpf_prog_create_from_user+0xb2/0x2f0 [ 46.693658] do_seccomp+0x349/0x25e0 [ 46.694399] ? find_held_lock+0x2b/0x80 [ 46.695166] ? do_prlimit+0x310/0x610 [ 46.695870] ? __pfx_do_seccomp+0x10/0x10 [ 46.696661] ? do_raw_spin_unlock+0x53/0x220 [ 46.697505] ? _raw_spin_unlock+0x1e/0x40 [ 46.698329] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 46.699329] ? static_key_count+0x60/0x80 [ 46.700145] prctl_set_seccomp+0x4e/0x70 [ 46.700876] __do_sys_prctl+0xe6c/0x1d70 [ 46.701676] ? __pfx___do_sys_prctl+0x10/0x10 [ 46.702573] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 46.703564] ? irqentry_exit+0xf3/0x650 [ 46.704347] do_syscall_64+0xbf/0x430 [ 46.705090] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 46.706012] RIP: 0033:0x7fe71acf95cd [ 46.706736] 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 [ 46.709929] RSP: 002b:00007ffd74c6e0e0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 46.711294] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fe71acf95cd [ 46.712668] RDX: 000055d837165e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 46.713977] RBP: 00007ffd74c6e140 R08: 0000000000000000 R09: 00007ffd74c6d7e0 [ 46.715265] R10: 0000000000000000 R11: 0000000000000246 R12: 000055d851fe5ad0 [ 46.716553] R13: 00007ffd74c6e570 R14: 000055d851fe6bc0 R15: 000055d851ff7780 [ 46.717895] [ 46.718378] irq event stamp: 1751 [ 46.718994] hardirqs last enabled at (1759): [] __up_console_sem+0x78/0x80 [ 46.720551] hardirqs last disabled at (1770): [] __up_console_sem+0x5d/0x80 [ 46.722101] softirqs last enabled at (1738): [] handle_softirqs+0x50c/0x770 [ 46.723671] softirqs last disabled at (1733): [] __irq_exit_rcu+0xc4/0x100 [ 46.725197] ---[ end trace 0000000000000000 ]--- [ 50.298893] ------------[ cut here ]------------ [ 50.299818] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 50.301889] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/242 [ 50.303443] Modules linked in: [ 50.304088] CPU: 0 UID: 104 PID: 242 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 50.306101] Tainted: [W]=WARN [ 50.306684] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 50.308170] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 50.309083] 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 [ 50.312283] RSP: 0018:ffff8880165cfbc0 EFLAGS: 00010286 [ 50.313269] RAX: 0000000000000000 RBX: ffffed1002cb9f78 RCX: ffffffff813a4050 [ 50.314557] RDX: ffff888016d93780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 50.315868] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002cb9f2f [ 50.317172] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 50.318511] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff8880165cfdf8 [ 50.319806] FS: 00007f9d105e8900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 50.321305] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.322389] CR2: 00007ffca3290ef8 CR3: 000000000c100000 CR4: 0000000000350ef0 [ 50.323686] Call Trace: [ 50.324189] [ 50.324601] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 50.325506] ? __create_object+0x59/0x80 [ 50.326307] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 50.327278] __vmalloc_noprof+0x59/0x60 [ 50.327999] bpf_prog_alloc_no_stats+0x55/0x470 [ 50.328897] ? __pfx_seccomp_check_filter+0x10/0x10 [ 50.329834] bpf_prog_alloc+0x39/0x200 [ 50.330590] ? __pfx_seccomp_check_filter+0x10/0x10 [ 50.331536] bpf_prog_create_from_user+0xb2/0x2f0 [ 50.332437] do_seccomp+0x349/0x25e0 [ 50.333169] ? find_held_lock+0x2b/0x80 [ 50.333903] ? do_prlimit+0x310/0x610 [ 50.334670] ? __pfx_do_seccomp+0x10/0x10 [ 50.335465] ? do_raw_spin_unlock+0x53/0x220 [ 50.336295] ? _raw_spin_unlock+0x1e/0x40 [ 50.337070] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 50.338115] ? static_key_count+0x60/0x80 [ 50.338874] prctl_set_seccomp+0x4e/0x70 [ 50.339652] __do_sys_prctl+0xe6c/0x1d70 [ 50.340419] ? __pfx___do_sys_prctl+0x10/0x10 [ 50.341277] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 50.342258] ? irqentry_exit+0xf3/0x650 [ 50.342987] do_syscall_64+0xbf/0x430 [ 50.343738] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 50.344700] RIP: 0033:0x7f9d10ada5cd [ 50.345411] 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 [ 50.348615] RSP: 002b:00007ffca328f3e0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 50.350001] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f9d10ada5cd [ 50.351213] RDX: 0000562b3aca1e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 50.352289] RBP: 00007ffca328f440 R08: 0000000000000000 R09: 00007ffca328eae0 [ 50.353353] R10: 0000000000000000 R11: 0000000000000246 R12: 0000562b5bc0bad0 [ 50.354454] R13: 00007ffca328f870 R14: 0000562b5bc0cbc0 R15: 0000562b5bc1d780 [ 50.355533] [ 50.355885] irq event stamp: 1777 [ 50.356423] hardirqs last enabled at (1787): [] __up_console_sem+0x78/0x80 [ 50.357697] hardirqs last disabled at (1796): [] __up_console_sem+0x5d/0x80 [ 50.358983] softirqs last enabled at (1746): [] handle_softirqs+0x50c/0x770 [ 50.360261] softirqs last disabled at (1741): [] __irq_exit_rcu+0xc4/0x100 [ 50.361523] ---[ end trace 0000000000000000 ]--- [ 51.166365] ------------[ cut here ]------------ [ 51.167304] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 51.169336] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/249 [ 51.170810] Modules linked in: [ 51.171439] CPU: 0 UID: 104 PID: 249 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 51.173483] Tainted: [W]=WARN [ 51.174105] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 51.175634] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 51.176563] 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 [ 51.179750] RSP: 0018:ffff88800f5c7bc0 EFLAGS: 00010286 [ 51.180729] RAX: 0000000000000000 RBX: ffffed1001eb8f78 RCX: ffffffff813a4050 [ 51.182059] RDX: ffff8880172b1bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 51.183339] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1001eb8f2f [ 51.184627] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 51.185953] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88800f5c7df8 [ 51.187241] FS: 00007f323ba3d900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 51.188699] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 51.189781] CR2: 00007fff01daaef8 CR3: 000000000e490000 CR4: 0000000000350ef0 [ 51.191091] Call Trace: [ 51.191556] [ 51.191979] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 51.192897] ? __create_object+0x59/0x80 [ 51.193681] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 51.194662] __vmalloc_noprof+0x59/0x60 [ 51.195430] bpf_prog_alloc_no_stats+0x55/0x470 [ 51.196313] ? __pfx_seccomp_check_filter+0x10/0x10 [ 51.197258] bpf_prog_alloc+0x39/0x200 [ 51.197973] ? __pfx_seccomp_check_filter+0x10/0x10 [ 51.198904] bpf_prog_create_from_user+0xb2/0x2f0 [ 51.199805] do_seccomp+0x349/0x25e0 [ 51.200524] ? find_held_lock+0x2b/0x80 [ 51.201287] ? do_prlimit+0x310/0x610 [ 51.202006] ? __pfx_do_seccomp+0x10/0x10 [ 51.202777] ? do_raw_spin_unlock+0x53/0x220 [ 51.203618] ? _raw_spin_unlock+0x1e/0x40 [ 51.204406] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 51.205386] ? static_key_count+0x60/0x80 [ 51.206240] prctl_set_seccomp+0x4e/0x70 [ 51.206985] __do_sys_prctl+0xe6c/0x1d70 [ 51.207780] ? __pfx___do_sys_prctl+0x10/0x10 [ 51.208636] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 51.209625] ? irqentry_exit+0xf3/0x650 [ 51.210397] do_syscall_64+0xbf/0x430 [ 51.211140] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 51.212106] RIP: 0033:0x7f323bf2f5cd [ 51.212769] 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 [ 51.215988] RSP: 002b:00007fff01da8480 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 51.217410] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f323bf2f5cd [ 51.218726] RDX: 0000557060e6ce00 RSI: 0000000000000002 RDI: 0000000000000016 [ 51.220013] RBP: 00007fff01da84e0 R08: 0000000000000000 R09: 00007fff01da7b80 [ 51.221321] R10: 0000000000000000 R11: 0000000000000246 R12: 000055707278b2b0 [ 51.222620] R13: 00007fff01da8910 R14: 000055707278dd20 R15: 000055707279f8d0 [ 51.223911] [ 51.224371] irq event stamp: 1851 [ 51.224986] hardirqs last enabled at (1859): [] __up_console_sem+0x78/0x80 [ 51.226549] hardirqs last disabled at (1870): [] __up_console_sem+0x5d/0x80 [ 51.228087] softirqs last enabled at (1782): [] handle_softirqs+0x50c/0x770 [ 51.229638] softirqs last disabled at (1771): [] __irq_exit_rcu+0xc4/0x100 [ 51.231057] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:22893' (ECDSA) to the list of known hosts. 2025/11/17 21:25:40 fuzzer started 2025/11/17 21:25:41 dialing manager at localhost:37895 2025/11/17 21:25:41 checking machine... 2025/11/17 21:25:41 checking revisions... [ 52.267107] kmemleak: Automatic memory scanning thread ended 2025/11/17 21:25:41 testing simple program... [ 52.344438] cgroup: Unknown subsys name 'net' [ 52.412563] cgroup: Unknown subsys name 'cpuset' [ 52.425801] cgroup: Unknown subsys name 'rlimit' executing program executing program VM DIAGNOSIS: 21:25:40 Registers: info registers vcpu 0 RAX=0000000000000000 RBX=1ffff11002f46eb5 RCX=000000000000000c RDX=0000000000000004 RSI=ffff88806ce36224 RDI=00007f9d105c4000 RBP=ffff88806ce36200 RSP=ffff888017a375a8 R8 =ffff88806ce36218 R9 =ffffed1002b8bb6b R10=ffff888015c5db5f R11=1ffff1100d9c6c41 R12=ffffed100d9c6c44 R13=ffffed100d9c6c42 R14=ffff88806ce36224 R15=0000000000000028 RIP=ffffffff8137665b 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 00007f9d105e8900 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=00007f9d105c7020 CR3=000000001faa6000 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=ffffffff87ce3608 RBX=0000000000000200 RCX=0000000000000200 RDX=0000000000000008 RSI=ffff888009644200 RDI=ffff888009643780 RBP=ffff888009643780 RSP=ffff88806cf08848 R8 =0000000000000000 R9 =0000000000000005 R10=0000000000000001 R11=0000000000000000 R12=0000000000000009 R13=0000000000000001 R14=ffff888009644200 R15=0000000000000003 RIP=ffffffff815265b1 RFL=00000006 [-----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 fffffe5100000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007ffe22aab748 CR3=000000000e3ea000 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=35323a313220373120766f4e3e36383c XMM01=7365733a646873732878696e755f6d61 XMM02=736f6c63206e6f6973736573203a296e XMM03=5f6d6170203a5d3134325b6468737320 XMM04=6456774875434142334f726f59427469 XMM05=485320415352203a3268737320303331 XMM06=206d6f726620746f6f7220726f662079 XMM07=00000000000000000000000000000000 XMM08=3a677562656420676f6c737973720000 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000