syzkaller login: [ 39.128175] ------------[ cut here ]------------ [ 39.129138] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 39.131248] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/231 [ 39.132760] Modules linked in: [ 39.133360] CPU: 1 UID: 104 PID: 231 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 39.135739] Tainted: [W]=WARN [ 39.136330] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 39.137922] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 39.138869] 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 [ 39.142114] RSP: 0018:ffff88801a59fbc0 EFLAGS: 00010286 [ 39.143116] RAX: 0000000000000000 RBX: ffffed10034b3f78 RCX: ffffffff813a4050 [ 39.144466] RDX: ffff888015a6b780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 39.145806] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed10034b3f2f [ 39.147125] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 39.148460] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801a59fdf8 [ 39.149793] FS: 00007f6d1520c900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 39.151278] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 39.152401] CR2: 00007ffdbc3e4ef8 CR3: 000000000bac3000 CR4: 0000000000350ef0 [ 39.153738] Call Trace: [ 39.154220] [ 39.154695] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 39.155699] ? __create_object+0x59/0x80 [ 39.156475] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.157513] __vmalloc_noprof+0x59/0x60 [ 39.158327] bpf_prog_alloc_no_stats+0x55/0x470 [ 39.159250] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.160254] bpf_prog_alloc+0x39/0x200 [ 39.161036] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.162024] bpf_prog_create_from_user+0xb2/0x2f0 [ 39.163019] do_seccomp+0x349/0x25e0 [ 39.163833] ? find_held_lock+0x2b/0x80 [ 39.164660] ? do_prlimit+0x310/0x610 [ 39.165408] ? __pfx_do_seccomp+0x10/0x10 [ 39.166261] ? do_raw_spin_unlock+0x53/0x220 [ 39.167158] ? _raw_spin_unlock+0x1e/0x40 [ 39.168014] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 39.169074] ? static_key_count+0x60/0x80 [ 39.169971] prctl_set_seccomp+0x4e/0x70 [ 39.170864] __do_sys_prctl+0xe6c/0x1d70 [ 39.171753] ? __pfx___do_sys_prctl+0x10/0x10 [ 39.172697] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 39.173751] ? irqentry_exit+0xf3/0x650 [ 39.174422] do_syscall_64+0xbf/0x430 [ 39.175129] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 39.176027] RIP: 0033:0x7f6d156fe5cd [ 39.176689] 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 [ 39.179688] RSP: 002b:00007ffdbc3e2d40 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 39.180978] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f6d156fe5cd [ 39.182189] RDX: 000055c1894dce00 RSI: 0000000000000002 RDI: 0000000000000016 [ 39.183410] RBP: 00007ffdbc3e2da0 R08: 0000000000000000 R09: 00007ffdbc3e2440 [ 39.184627] R10: 0000000000000000 R11: 0000000000000246 R12: 000055c1c2402ad0 [ 39.185849] R13: 00007ffdbc3e31d0 R14: 000055c1c2403bc0 R15: 000055c1c2414780 [ 39.187080] [ 39.187484] irq event stamp: 1815 [ 39.188111] hardirqs last enabled at (1825): [] __up_console_sem+0x78/0x80 [ 39.189548] hardirqs last disabled at (1834): [] __up_console_sem+0x5d/0x80 [ 39.191036] softirqs last enabled at (1660): [] handle_softirqs+0x50c/0x770 [ 39.192493] softirqs last disabled at (1649): [] __irq_exit_rcu+0xc4/0x100 [ 39.193931] ---[ end trace 0000000000000000 ]--- [ 42.064341] ------------[ cut here ]------------ [ 42.065308] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.067332] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/241 [ 42.068792] Modules linked in: [ 42.069385] CPU: 1 UID: 104 PID: 241 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 42.071364] Tainted: [W]=WARN [ 42.071975] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.073475] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.074383] 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 [ 42.077610] RSP: 0018:ffff888016bbfbc0 EFLAGS: 00010286 [ 42.078552] RAX: 0000000000000000 RBX: ffffed1002d77f78 RCX: ffffffff813a4050 [ 42.079848] RDX: ffff88800f2e3780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.081131] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002d77f2f [ 42.082414] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.083726] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888016bbfdf8 [ 42.085020] FS: 00007f3207a68900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 42.086447] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.087510] CR2: 00007ffce75b9ef8 CR3: 000000000da88000 CR4: 0000000000350ef0 [ 42.088805] Call Trace: [ 42.089270] [ 42.089727] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.090633] ? __create_object+0x59/0x80 [ 42.091375] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.092381] __vmalloc_noprof+0x59/0x60 [ 42.093147] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.094027] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.094967] bpf_prog_alloc+0x39/0x200 [ 42.095711] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.096660] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.097524] do_seccomp+0x349/0x25e0 [ 42.098251] ? find_held_lock+0x2b/0x80 [ 42.099008] ? do_prlimit+0x310/0x610 [ 42.099748] ? __pfx_do_seccomp+0x10/0x10 [ 42.100485] ? do_raw_spin_unlock+0x53/0x220 [ 42.101317] ? _raw_spin_unlock+0x1e/0x40 [ 42.102098] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.103057] ? static_key_count+0x60/0x80 [ 42.103894] prctl_set_seccomp+0x4e/0x70 [ 42.104671] __do_sys_prctl+0xe6c/0x1d70 [ 42.105407] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.106262] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.107251] ? irqentry_exit+0xf3/0x650 [ 42.108024] do_syscall_64+0xbf/0x430 [ 42.108760] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.109726] RIP: 0033:0x7f3207f5a5cd [ 42.110395] 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 [ 42.113625] RSP: 002b:00007ffce75b7c70 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.115007] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f3207f5a5cd [ 42.116326] RDX: 0000563b11323e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.117611] RBP: 00007ffce75b7cd0 R08: 0000000000000000 R09: 00007ffce75b7370 [ 42.118894] R10: 0000000000000000 R11: 0000000000000246 R12: 0000563b2beedbf0 [ 42.120197] R13: 00007ffce75b8100 R14: 0000563b2bef7380 R15: 0000563b2bf02460 [ 42.121504] [ 42.121974] irq event stamp: 2897 [ 42.122623] hardirqs last enabled at (2905): [] __up_console_sem+0x78/0x80 [ 42.124148] hardirqs last disabled at (2916): [] __up_console_sem+0x5d/0x80 [ 42.125517] softirqs last enabled at (2818): [] handle_softirqs+0x50c/0x770 [ 42.126916] softirqs last disabled at (2813): [] __irq_exit_rcu+0xc4/0x100 [ 42.128285] ---[ end trace 0000000000000000 ]--- [ 42.906086] ------------[ cut here ]------------ [ 42.907056] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.909429] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/248 [ 42.910908] Modules linked in: [ 42.911507] CPU: 0 UID: 104 PID: 248 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 42.913500] Tainted: [W]=WARN [ 42.914079] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.915536] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.916436] 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 [ 42.919553] RSP: 0018:ffff8880158afbc0 EFLAGS: 00010286 [ 42.920511] RAX: 0000000000000000 RBX: ffffed1002b15f78 RCX: ffffffff813a4050 [ 42.921800] RDX: ffff8880197b8000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.923095] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002b15f2f [ 42.924397] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.925683] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff8880158afdf8 [ 42.926987] FS: 00007fa695123900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 42.928452] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.929499] CR2: 00007fa695615580 CR3: 00000000203b7000 CR4: 0000000000350ef0 [ 42.930806] Call Trace: [ 42.931271] [ 42.931740] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.932659] ? __create_object+0x59/0x80 [ 42.933402] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.934396] __vmalloc_noprof+0x59/0x60 [ 42.935167] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.936063] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.937009] bpf_prog_alloc+0x39/0x200 [ 42.937731] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.938671] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.939555] do_seccomp+0x349/0x25e0 [ 42.940289] ? __pfx_css_rstat_updated+0x10/0x10 [ 42.941185] ? __pfx_do_seccomp+0x10/0x10 [ 42.941982] ? find_held_lock+0x2b/0x80 [ 42.942748] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.943727] ? static_key_count+0x60/0x80 [ 42.944489] prctl_set_seccomp+0x4e/0x70 [ 42.945269] __do_sys_prctl+0xe6c/0x1d70 [ 42.946060] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.946931] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.947928] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.948910] ? irqentry_exit+0xf3/0x650 [ 42.949675] do_syscall_64+0xbf/0x430 [ 42.950374] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.951338] RIP: 0033:0x7fa6956155cd [ 42.952052] 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 [ 42.955248] RSP: 002b:00007fff0ebaa240 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.956635] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fa6956155cd [ 42.957939] RDX: 0000563d40b9ae00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.959228] RBP: 00007fff0ebaa2a0 R08: 0000000000000000 R09: 00007fff0eba9940 [ 42.960546] R10: 0000000000000000 R11: 0000000000000246 R12: 0000563d674b3ad0 [ 42.961852] R13: 00007fff0ebaa6d0 R14: 0000563d674b4bc0 R15: 0000563d674c5780 [ 42.963170] [ 42.963649] irq event stamp: 1727 [ 42.964261] hardirqs last enabled at (1735): [] __up_console_sem+0x78/0x80 [ 42.965773] hardirqs last disabled at (1744): [] __up_console_sem+0x5d/0x80 [ 42.967277] softirqs last enabled at (1704): [] handle_softirqs+0x50c/0x770 [ 42.968827] softirqs last disabled at (1699): [] __irq_exit_rcu+0xc4/0x100 [ 42.970320] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:32314' (ECDSA) to the list of known hosts. 2025/11/17 09:19:19 fuzzer started 2025/11/17 09:19:19 dialing manager at localhost:37895 2025/11/17 09:19:19 checking machine... 2025/11/17 09:19:19 checking revisions... [ 43.866276] kmemleak: Automatic memory scanning thread ended 2025/11/17 09:19:19 testing simple program... [ 43.949411] cgroup: Unknown subsys name 'net' [ 44.003094] cgroup: Unknown subsys name 'cpuset' [ 44.017098] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program VM DIAGNOSIS: 09:19:18 Registers: info registers vcpu 0 RAX=ffff88800ff20000 RBX=0000000000000000 RCX=0000000000000001 RDX=0000000000000000 RSI=ffffffff8135e4bd RDI=fffffbfff0bc3ffc RBP=ffffffff85e1ffe0 RSP=ffff88806ce08968 R8 =0000000000000000 R9 =0000000000000000 R10=000000000003c9ed R11=0000000000025767 R12=0000000000000002 R13=0000000000000000 R14=0000000000000000 R15=0000000000000246 RIP=ffffffff81529332 RFL=00000246 [---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 00007f3207a68900 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe4500000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f3207a32008 CR3=000000000e46e000 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=0000000000021569 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 fffffe3d00000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f8e64430000 CR3=000000000dac0000 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=5509f4f98092b08ed84495363b8eb018 XMM02=2c67c8bc2e329bc30000000000303d88 XMM03=fb795ef6d6577056000000000030f9c8 XMM04=3b9aa3546ae0467100000000000ae988 XMM05=4b7167b7b5446b3d00000000003208b0 XMM06=474038aa6c007e1f0000000000320250 XMM07=e042d86d42eb936e000000000030fc48 XMM08=c4a886f6d4fc72ab0000000000303de8 XMM09=00000000000000000000000000000000 XMM10=20200000000020202020202020200000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000