syzkaller login: [ 39.251027] ------------[ cut here ]------------ [ 39.251976] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 39.254081] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/233 [ 39.255642] Modules linked in: [ 39.256258] CPU: 0 UID: 104 PID: 233 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 39.258285] Tainted: [W]=WARN [ 39.258892] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 39.260390] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 39.261252] 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 [ 39.264418] RSP: 0018:ffff8880162cfbc0 EFLAGS: 00010286 [ 39.265356] RAX: 0000000000000000 RBX: ffffed1002c59f78 RCX: ffffffff813a4050 [ 39.266702] RDX: ffff888017595340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 39.267991] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002c59f2f [ 39.269264] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 39.270545] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff8880162cfdf8 [ 39.271806] FS: 00007f823afef900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 39.273206] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 39.274251] CR2: 00007f823b5554a6 CR3: 000000000e115000 CR4: 0000000000350ef0 [ 39.275516] Call Trace: [ 39.275977] [ 39.276423] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 39.277268] ? __create_object+0x59/0x80 [ 39.278042] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.279013] __vmalloc_noprof+0x59/0x60 [ 39.279766] bpf_prog_alloc_no_stats+0x55/0x470 [ 39.280631] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.281558] bpf_prog_alloc+0x39/0x200 [ 39.282247] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.283173] bpf_prog_create_from_user+0xb2/0x2f0 [ 39.284065] do_seccomp+0x349/0x25e0 [ 39.284773] ? find_held_lock+0x2b/0x80 [ 39.285524] ? do_prlimit+0x310/0x610 [ 39.286224] ? __pfx_do_seccomp+0x10/0x10 [ 39.287005] ? do_raw_spin_unlock+0x53/0x220 [ 39.287831] ? _raw_spin_unlock+0x1e/0x40 [ 39.288605] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 39.289553] ? static_key_count+0x60/0x80 [ 39.290310] prctl_set_seccomp+0x4e/0x70 [ 39.291081] __do_sys_prctl+0xe6c/0x1d70 [ 39.291857] ? __pfx___do_sys_prctl+0x10/0x10 [ 39.292706] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 39.293664] ? irqentry_exit+0xf3/0x650 [ 39.294429] do_syscall_64+0xbf/0x430 [ 39.295115] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 39.296058] RIP: 0033:0x7f823b4e15cd [ 39.296759] 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 [ 39.299852] RSP: 002b:00007fff8f271160 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 39.301180] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f823b4e15cd [ 39.302468] RDX: 0000560c8ae6ce00 RSI: 0000000000000002 RDI: 0000000000000016 [ 39.303729] RBP: 00007fff8f2711c0 R08: 0000000000000000 R09: 00007fff8f270860 [ 39.304975] R10: 0000000000000000 R11: 0000000000000246 R12: 0000560c9b1452b0 [ 39.306262] R13: 00007fff8f2715f0 R14: 0000560c9b147d20 R15: 0000560c9b1598d0 [ 39.307521] [ 39.307937] irq event stamp: 1743 [ 39.308582] hardirqs last enabled at (1753): [] __up_console_sem+0x78/0x80 [ 39.310075] hardirqs last disabled at (1762): [] __up_console_sem+0x5d/0x80 [ 39.311575] softirqs last enabled at (1722): [] handle_softirqs+0x50c/0x770 [ 39.313082] softirqs last disabled at (1717): [] __irq_exit_rcu+0xc4/0x100 [ 39.314577] ---[ end trace 0000000000000000 ]--- [ 42.770505] ------------[ cut here ]------------ [ 42.771249] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.773494] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/242 [ 42.774926] Modules linked in: [ 42.775464] CPU: 1 UID: 104 PID: 242 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 42.777128] Tainted: [W]=WARN [ 42.777633] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.778884] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.779657] 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 [ 42.782320] RSP: 0018:ffff88801bfc7bc0 EFLAGS: 00010286 [ 42.783142] RAX: 0000000000000000 RBX: ffffed10037f8f78 RCX: ffffffff813a4050 [ 42.784202] RDX: ffff888016ef3780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.785272] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed10037f8f2f [ 42.786316] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.787335] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801bfc7df8 [ 42.788356] FS: 00007f7430328900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 42.789517] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.790332] CR2: 00007ffddded3ef7 CR3: 000000001f21c000 CR4: 0000000000350ef0 [ 42.791347] Call Trace: [ 42.791743] [ 42.792070] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.792773] ? __create_object+0x59/0x80 [ 42.793360] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.794121] __vmalloc_noprof+0x59/0x60 [ 42.794733] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.795421] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.796129] bpf_prog_alloc+0x39/0x200 [ 42.796716] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.797458] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.798139] do_seccomp+0x349/0x25e0 [ 42.798719] ? find_held_lock+0x2b/0x80 [ 42.799291] ? do_prlimit+0x310/0x610 [ 42.799879] ? __pfx_do_seccomp+0x10/0x10 [ 42.800504] ? do_raw_spin_unlock+0x53/0x220 [ 42.801133] ? _raw_spin_unlock+0x1e/0x40 [ 42.801752] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.802531] ? static_key_count+0x60/0x80 [ 42.803131] prctl_set_seccomp+0x4e/0x70 [ 42.803745] __do_sys_prctl+0xe6c/0x1d70 [ 42.804331] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.805011] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.805776] ? irqentry_exit+0xf3/0x650 [ 42.806359] do_syscall_64+0xbf/0x430 [ 42.806947] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.807704] RIP: 0033:0x7f743081a5cd [ 42.808232] 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 [ 42.810764] RSP: 002b:00007ffddded2b70 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.811852] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f743081a5cd [ 42.812873] RDX: 000055e2c7b65e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.813895] RBP: 00007ffddded2bd0 R08: 0000000000000000 R09: 00007ffddded2270 [ 42.814941] R10: 0000000000000000 R11: 0000000000000246 R12: 000055e305766ad0 [ 42.815961] R13: 00007ffddded3000 R14: 000055e305767bc0 R15: 000055e305778780 [ 42.816996] [ 42.817332] irq event stamp: 1829 [ 42.817850] hardirqs last enabled at (1839): [] __up_console_sem+0x78/0x80 [ 42.819074] hardirqs last disabled at (1848): [] __up_console_sem+0x5d/0x80 [ 42.820287] softirqs last enabled at (1798): [] handle_softirqs+0x50c/0x770 [ 42.821509] softirqs last disabled at (1783): [] __irq_exit_rcu+0xc4/0x100 [ 42.822724] ---[ end trace 0000000000000000 ]--- [ 43.542049] ------------[ cut here ]------------ [ 43.542997] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 43.545089] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/250 [ 43.546577] Modules linked in: [ 43.547187] CPU: 1 UID: 104 PID: 250 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 43.549467] Tainted: [W]=WARN [ 43.550026] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 43.551601] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 43.552536] 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 [ 43.555785] RSP: 0018:ffff8880180e7bc0 EFLAGS: 00010286 [ 43.556779] RAX: 0000000000000000 RBX: ffffed100301cf78 RCX: ffffffff813a4050 [ 43.558083] RDX: ffff888018a29bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 43.559395] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed100301cf2f [ 43.560686] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 43.561989] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff8880180e7df8 [ 43.563285] FS: 00007f23af7d1900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 43.564714] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 43.565779] CR2: 00007f23afcc3580 CR3: 0000000009b08000 CR4: 0000000000350ef0 [ 43.567105] Call Trace: [ 43.567624] [ 43.568039] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 43.568943] ? __create_object+0x59/0x80 [ 43.569718] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 43.570698] __vmalloc_noprof+0x59/0x60 [ 43.571458] bpf_prog_alloc_no_stats+0x55/0x470 [ 43.572297] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.573217] bpf_prog_alloc+0x39/0x200 [ 43.573959] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.574902] bpf_prog_create_from_user+0xb2/0x2f0 [ 43.575794] do_seccomp+0x349/0x25e0 [ 43.576501] ? __pfx_css_rstat_updated+0x10/0x10 [ 43.577343] ? __pfx_do_seccomp+0x10/0x10 [ 43.578122] ? find_held_lock+0x2b/0x80 [ 43.578896] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 43.579842] ? static_key_count+0x60/0x80 [ 43.580634] prctl_set_seccomp+0x4e/0x70 [ 43.581351] __do_sys_prctl+0xe6c/0x1d70 [ 43.582130] ? __pfx___do_sys_prctl+0x10/0x10 [ 43.582981] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 43.583933] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 43.584882] ? irqentry_exit+0xf3/0x650 [ 43.585639] do_syscall_64+0xbf/0x430 [ 43.586345] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 43.587316] RIP: 0033:0x7f23afcc35cd [ 43.588109] 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 [ 43.591717] RSP: 002b:00007ffffb56f280 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 43.593235] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f23afcc35cd [ 43.594694] RDX: 000055ed98100e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 43.596137] RBP: 00007ffffb56f2e0 R08: 0000000000000000 R09: 00007ffffb56e980 [ 43.597576] R10: 0000000000000000 R11: 0000000000000246 R12: 000055edc2dcfbf0 [ 43.599024] R13: 00007ffffb56f710 R14: 000055edc2dd9380 R15: 000055edc2de4460 [ 43.600174] [ 43.600565] irq event stamp: 1867 [ 43.601069] hardirqs last enabled at (1875): [] __up_console_sem+0x78/0x80 [ 43.602344] hardirqs last disabled at (1884): [] __up_console_sem+0x5d/0x80 [ 43.603632] softirqs last enabled at (1538): [] handle_softirqs+0x50c/0x770 [ 43.604934] softirqs last disabled at (1533): [] __irq_exit_rcu+0xc4/0x100 [ 43.606211] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:38123' (ECDSA) to the list of known hosts. 2025/11/18 07:36:52 fuzzer started 2025/11/18 07:36:52 dialing manager at localhost:37895 2025/11/18 07:36:52 checking machine... 2025/11/18 07:36:52 checking revisions... [ 44.503259] kmemleak: Automatic memory scanning thread ended 2025/11/18 07:36:52 testing simple program... [ 44.592492] cgroup: Unknown subsys name 'net' [ 44.654086] cgroup: Unknown subsys name 'cpuset' [ 44.673312] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program VM DIAGNOSIS: 07:36:51 Registers: info registers vcpu 0 RAX=000000000000031f RBX=0000000000000001 RCX=ffffffff81001489 RDX=000000000000033c RSI=0000000000000014 RDI=ffffffff869d9328 RBP=ffff88806ce08aa8 RSP=ffff88806ce089e0 R8 =ffffffff869d927a R9 =0000000000000000 R10=000000000003c9ed R11=000000000000031f R12=ffff88806ce08ab0 R13=ffff88806ce08a98 R14=ffff88806ce08a91 R15=ffff88806ce08a50 RIP=ffffffff8135e6c9 RFL=00000283 [--S---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 =0000 0000000000000000 00000000 00000000 DS =0000 0000000000000000 00000000 00000000 FS =0000 00007f7430328900 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=00007f7430a9a3ec CR3=000000001f2af000 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=0000000000023613 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=00000202 [-------] 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 fffffe2300000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=000055e30579cfe0 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=00007f7ea74b55100000560dee585790 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