syzkaller login: [ 39.175407] ------------[ cut here ]------------ [ 39.176355] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 39.178307] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/233 [ 39.179794] Modules linked in: [ 39.180437] CPU: 0 UID: 104 PID: 233 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 39.182495] Tainted: [W]=WARN [ 39.183098] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 39.184622] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 39.185534] 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 [ 39.188763] RSP: 0018:ffff88800a93fbc0 EFLAGS: 00010286 [ 39.189746] RAX: 0000000000000000 RBX: ffffed1001527f78 RCX: ffffffff813a4050 [ 39.191039] RDX: ffff88801a6b3780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 39.192357] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1001527f2f [ 39.193643] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 39.194923] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88800a93fdf8 [ 39.196232] FS: 00007f049af3b900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 39.197657] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 39.198712] CR2: 00007ffc7140bef7 CR3: 000000000b78d000 CR4: 0000000000350ef0 [ 39.200038] Call Trace: [ 39.200512] [ 39.200922] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 39.201831] ? __create_object+0x59/0x80 [ 39.202612] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.203636] __vmalloc_noprof+0x59/0x60 [ 39.204401] bpf_prog_alloc_no_stats+0x55/0x470 [ 39.205273] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.206216] bpf_prog_alloc+0x39/0x200 [ 39.206905] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.207887] bpf_prog_create_from_user+0xb2/0x2f0 [ 39.208793] do_seccomp+0x349/0x25e0 [ 39.209503] ? find_held_lock+0x2b/0x80 [ 39.210264] ? do_prlimit+0x310/0x610 [ 39.211005] ? __pfx_do_seccomp+0x10/0x10 [ 39.211781] ? do_raw_spin_unlock+0x53/0x220 [ 39.212606] ? _raw_spin_unlock+0x1e/0x40 [ 39.213368] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 39.214332] ? static_key_count+0x60/0x80 [ 39.215141] prctl_set_seccomp+0x4e/0x70 [ 39.215915] __do_sys_prctl+0xe6c/0x1d70 [ 39.216712] ? __pfx___do_sys_prctl+0x10/0x10 [ 39.217588] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 39.218576] ? irqentry_exit+0xf3/0x650 [ 39.219348] do_syscall_64+0xbf/0x430 [ 39.220138] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 39.221099] RIP: 0033:0x7f049b42d5cd [ 39.221769] 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 [ 39.225006] RSP: 002b:00007ffc71409640 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 39.226356] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f049b42d5cd [ 39.227692] RDX: 000055a14a1a6e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 39.229011] RBP: 00007ffc714096a0 R08: 0000000000000000 R09: 00007ffc71408d40 [ 39.230281] R10: 0000000000000000 R11: 0000000000000246 R12: 000055a161dcebf0 [ 39.231599] R13: 00007ffc71409ad0 R14: 000055a161dd8380 R15: 000055a161de3460 [ 39.232925] [ 39.233375] irq event stamp: 1837 [ 39.234042] hardirqs last enabled at (1847): [] __up_console_sem+0x78/0x80 [ 39.235592] hardirqs last disabled at (1856): [] __up_console_sem+0x5d/0x80 [ 39.237124] softirqs last enabled at (1804): [] handle_softirqs+0x50c/0x770 [ 39.238678] softirqs last disabled at (1795): [] __irq_exit_rcu+0xc4/0x100 [ 39.240257] ---[ end trace 0000000000000000 ]--- [ 42.220433] ------------[ cut here ]------------ [ 42.221193] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.222825] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/241 [ 42.224034] Modules linked in: [ 42.224530] CPU: 1 UID: 104 PID: 241 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 42.226295] Tainted: [W]=WARN [ 42.226754] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.227977] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.228694] 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 [ 42.231305] RSP: 0018:ffff88801a7dfbc0 EFLAGS: 00010286 [ 42.232125] RAX: 0000000000000000 RBX: ffffed10034fbf78 RCX: ffffffff813a4050 [ 42.233170] RDX: ffff88801a305340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.234216] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed10034fbf2f [ 42.235274] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.236341] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801a7dfdf8 [ 42.237397] FS: 00007fb8f700b900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 42.238583] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.239466] CR2: 00007ffeb77e2ef7 CR3: 000000000bd21000 CR4: 0000000000350ef0 [ 42.240539] Call Trace: [ 42.240929] [ 42.241308] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.242063] ? __create_object+0x59/0x80 [ 42.242673] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.243469] __vmalloc_noprof+0x59/0x60 [ 42.244104] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.244788] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.245541] bpf_prog_alloc+0x39/0x200 [ 42.246139] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.246862] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.247602] do_seccomp+0x349/0x25e0 [ 42.248199] ? find_held_lock+0x2b/0x80 [ 42.248803] ? do_prlimit+0x310/0x610 [ 42.249421] ? __pfx_do_seccomp+0x10/0x10 [ 42.250079] ? do_raw_spin_unlock+0x53/0x220 [ 42.250742] ? _raw_spin_unlock+0x1e/0x40 [ 42.251387] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.252200] ? static_key_count+0x60/0x80 [ 42.252824] prctl_set_seccomp+0x4e/0x70 [ 42.253454] __do_sys_prctl+0xe6c/0x1d70 [ 42.254116] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.254792] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.255595] ? irqentry_exit+0xf3/0x650 [ 42.256230] do_syscall_64+0xbf/0x430 [ 42.256806] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.257579] RIP: 0033:0x7fb8f74fd5cd [ 42.258157] 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 [ 42.260806] RSP: 002b:00007ffeb77e1c50 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.261929] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fb8f74fd5cd [ 42.262980] RDX: 00005557803cee00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.264045] RBP: 00007ffeb77e1cb0 R08: 0000000000000000 R09: 00007ffeb77e1350 [ 42.265099] R10: 0000000000000000 R11: 0000000000000246 R12: 00005557bd243b10 [ 42.266156] R13: 00007ffeb77e20e0 R14: 00005557bd2442b0 R15: 00005557bd2586f0 [ 42.267229] [ 42.267588] irq event stamp: 1793 [ 42.268120] hardirqs last enabled at (1803): [] __up_console_sem+0x78/0x80 [ 42.269381] hardirqs last disabled at (1812): [] __up_console_sem+0x5d/0x80 [ 42.270636] softirqs last enabled at (1444): [] handle_softirqs+0x50c/0x770 [ 42.271938] softirqs last disabled at (1439): [] __irq_exit_rcu+0xc4/0x100 [ 42.273210] ---[ end trace 0000000000000000 ]--- [ 42.919430] ------------[ cut here ]------------ [ 42.920398] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.922401] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/248 [ 42.923986] Modules linked in: [ 42.924581] CPU: 0 UID: 104 PID: 248 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 42.926589] Tainted: [W]=WARN [ 42.927193] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.928700] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.929618] 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 [ 42.932836] RSP: 0018:ffff888017a5fbc0 EFLAGS: 00010286 [ 42.933808] RAX: 0000000000000000 RBX: ffffed1002f4bf78 RCX: ffffffff813a4050 [ 42.935105] RDX: ffff88801a355340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.936424] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002f4bf2f [ 42.937727] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.939015] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888017a5fdf8 [ 42.940342] FS: 00007f02d3803900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 42.941789] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.942859] CR2: 00007f02d3cf5580 CR3: 000000000d112000 CR4: 0000000000350ef0 [ 42.944176] Call Trace: [ 42.944649] [ 42.945098] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.946002] ? __create_object+0x59/0x80 [ 42.946751] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.947754] __vmalloc_noprof+0x59/0x60 [ 42.948514] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.949396] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.950332] bpf_prog_alloc+0x39/0x200 [ 42.951078] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.952058] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.952913] do_seccomp+0x349/0x25e0 [ 42.953645] ? __pfx_css_rstat_updated+0x10/0x10 [ 42.954549] ? __pfx_do_seccomp+0x10/0x10 [ 42.955336] ? find_held_lock+0x2b/0x80 [ 42.956137] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.957112] ? static_key_count+0x60/0x80 [ 42.957873] prctl_set_seccomp+0x4e/0x70 [ 42.958654] __do_sys_prctl+0xe6c/0x1d70 [ 42.959426] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.960327] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.961308] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.962291] ? irqentry_exit+0xf3/0x650 [ 42.963069] do_syscall_64+0xbf/0x430 [ 42.963809] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.964774] RIP: 0033:0x7f02d3cf55cd [ 42.965479] 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 [ 42.968686] RSP: 002b:00007ffd431e61f0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.970050] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f02d3cf55cd [ 42.971333] RDX: 000055ecdfe9ce00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.972653] RBP: 00007ffd431e6250 R08: 0000000000000000 R09: 00007ffd431e58f0 [ 42.973949] R10: 0000000000000000 R11: 0000000000000246 R12: 000055ecfa805b10 [ 42.975271] R13: 00007ffd431e6680 R14: 000055ecfa8062b0 R15: 000055ecfa81a6f0 [ 42.976606] [ 42.977069] irq event stamp: 1749 [ 42.977683] hardirqs last enabled at (1757): [] __up_console_sem+0x78/0x80 [ 42.979216] hardirqs last disabled at (1766): [] __up_console_sem+0x5d/0x80 [ 42.980782] softirqs last enabled at (1714): [] handle_softirqs+0x50c/0x770 [ 42.982324] softirqs last disabled at (1709): [] __irq_exit_rcu+0xc4/0x100 [ 42.983877] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:48109' (ECDSA) to the list of known hosts. 2025/11/19 06:50:34 fuzzer started 2025/11/19 06:50:35 dialing manager at localhost:34383 2025/11/19 06:50:35 checking machine... 2025/11/19 06:50:35 checking revisions... [ 43.913098] kmemleak: Automatic memory scanning thread ended 2025/11/19 06:50:35 testing simple program... [ 43.997505] cgroup: Unknown subsys name 'net' [ 44.044564] cgroup: Unknown subsys name 'cpuset' [ 44.063940] cgroup: Unknown subsys name 'rlimit' executing program executing program VM DIAGNOSIS: 06:50:34 Registers: info registers vcpu 0 RAX=fffffbfff0cc9f07 RBX=fffffbfff0cc9f08 RCX=ffffffff814bc7cb RDX=0000000000000001 RSI=0000000000000008 RDI=ffffffff8664f838 RBP=fffffbfff0cc9f07 RSP=ffff88806ce08cc0 R8 =0000000000000000 R9 =fffffbfff0cc9f07 R10=ffffffff8664f83f R11=0000000000000001 R12=ffff88806ce27240 R13=ffff88806ce37ea8 R14=ffff88806ce37e48 R15=ffff88806ce37340 RIP=ffffffff81b2d0f4 RFL=00000002 [-------] 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 00007fb8f700b900 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe0b00000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007ffeb77db000 CR3=000000000d7ee000 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=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 info registers vcpu 1 RAX=0000000000020edb 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 fffffe4500000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007fb8f75c2618 CR3=000000000d9c1000 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=30353a363020393120766f4e3e36383c XMM01=7365733a646873732878696e755f6d61 XMM02=736f6c63206e6f6973736573203a296e XMM03=5f6d6170203a5d3034325b6468737320 XMM04=6456774875434142334f726f59427469 XMM05=485320415352203a3268737320383335 XMM06=206d6f726620746f6f7220726f662079 XMM07=00000000000000000000000000000000 XMM08=3a677562656420676f6c737973720000 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000