syzkaller login: [ 46.458122] ------------[ cut here ]------------ [ 46.459043] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 46.461130] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/233 [ 46.462619] Modules linked in: [ 46.463231] CPU: 0 UID: 104 PID: 233 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 46.466592] Tainted: [W]=WARN [ 46.467178] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 46.468698] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 46.469633] 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 [ 46.472851] RSP: 0018:ffff888017fcfbc0 EFLAGS: 00010286 [ 46.473847] RAX: 0000000000000000 RBX: ffffed1002ff9f78 RCX: ffffffff813a4050 [ 46.475158] RDX: ffff888016663780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 46.476477] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002ff9f2f [ 46.477786] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 46.479096] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888017fcfdf8 [ 46.480398] FS: 00007f76d3b7b900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 46.481874] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 46.482963] CR2: 00007ffd6ec3bef8 CR3: 000000000b738000 CR4: 0000000000350ef0 [ 46.484291] Call Trace: [ 46.484760] [ 46.485176] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 46.486093] ? __create_object+0x59/0x80 [ 46.486896] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 46.487888] __vmalloc_noprof+0x59/0x60 [ 46.488664] bpf_prog_alloc_no_stats+0x55/0x470 [ 46.489553] ? __pfx_seccomp_check_filter+0x10/0x10 [ 46.490493] bpf_prog_alloc+0x39/0x200 [ 46.491218] ? __pfx_seccomp_check_filter+0x10/0x10 [ 46.492158] bpf_prog_create_from_user+0xb2/0x2f0 [ 46.493075] do_seccomp+0x349/0x25e0 [ 46.493810] ? find_held_lock+0x2b/0x80 [ 46.494585] ? do_prlimit+0x310/0x610 [ 46.495365] ? __pfx_do_seccomp+0x10/0x10 [ 46.496117] ? do_raw_spin_unlock+0x53/0x220 [ 46.496958] ? _raw_spin_unlock+0x1e/0x40 [ 46.497759] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 46.498742] ? static_key_count+0x60/0x80 [ 46.499579] prctl_set_seccomp+0x4e/0x70 [ 46.500375] __do_sys_prctl+0xe6c/0x1d70 [ 46.501132] ? __pfx___do_sys_prctl+0x10/0x10 [ 46.502018] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 46.503024] ? irqentry_exit+0xf3/0x650 [ 46.503803] do_syscall_64+0xbf/0x430 [ 46.504553] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 46.505524] RIP: 0033:0x7f76d406d5cd [ 46.506183] 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 [ 46.509446] RSP: 002b:00007ffd6ec3ae00 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 46.510854] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f76d406d5cd [ 46.512171] RDX: 00005600f6039e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 46.513468] RBP: 00007ffd6ec3ae60 R08: 0000000000000000 R09: 00007ffd6ec3a500 [ 46.514765] R10: 0000000000000000 R11: 0000000000000246 R12: 00005601009b62b0 [ 46.516076] R13: 00007ffd6ec3b290 R14: 00005601009b8d20 R15: 00005601009ca8d0 [ 46.517415] [ 46.517849] irq event stamp: 2005 [ 46.518512] hardirqs last enabled at (2015): [] __up_console_sem+0x78/0x80 [ 46.520085] hardirqs last disabled at (2024): [] __up_console_sem+0x5d/0x80 [ 46.521633] softirqs last enabled at (1928): [] handle_softirqs+0x50c/0x770 [ 46.523210] softirqs last disabled at (1923): [] __irq_exit_rcu+0xc4/0x100 [ 46.524584] ---[ end trace 0000000000000000 ]--- [ 49.902049] ------------[ cut here ]------------ [ 49.903161] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 49.905508] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/241 [ 49.907208] Modules linked in: [ 49.907945] CPU: 1 UID: 104 PID: 241 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 49.910508] Tainted: [W]=WARN [ 49.911167] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 49.912953] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 49.914002] 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 [ 49.917673] RSP: 0018:ffff888018ebfbc0 EFLAGS: 00010286 [ 49.918818] RAX: 0000000000000000 RBX: ffffed10031d7f78 RCX: ffffffff813a4050 [ 49.920319] RDX: ffff88801743d340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 49.921804] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed10031d7f2f [ 49.923315] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 49.924813] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888018ebfdf8 [ 49.926323] FS: 00007efe1ded8900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 49.928035] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 49.929293] CR2: 00007fff0adbeef8 CR3: 000000000d7b5000 CR4: 0000000000350ef0 [ 49.930830] Call Trace: [ 49.931433] [ 49.931925] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 49.932967] ? __create_object+0x59/0x80 [ 49.933881] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 49.935022] __vmalloc_noprof+0x59/0x60 [ 49.935920] bpf_prog_alloc_no_stats+0x55/0x470 [ 49.936936] ? __pfx_seccomp_check_filter+0x10/0x10 [ 49.938022] bpf_prog_alloc+0x39/0x200 [ 49.938920] ? __pfx_seccomp_check_filter+0x10/0x10 [ 49.940012] bpf_prog_create_from_user+0xb2/0x2f0 [ 49.941079] do_seccomp+0x349/0x25e0 [ 49.941927] ? find_held_lock+0x2b/0x80 [ 49.942828] ? do_prlimit+0x310/0x610 [ 49.943719] ? __pfx_do_seccomp+0x10/0x10 [ 49.944659] ? do_raw_spin_unlock+0x53/0x220 [ 49.945636] ? _raw_spin_unlock+0x1e/0x40 [ 49.946559] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 49.947710] ? static_key_count+0x60/0x80 [ 49.948640] prctl_set_seccomp+0x4e/0x70 [ 49.949550] __do_sys_prctl+0xe6c/0x1d70 [ 49.950476] ? __pfx___do_sys_prctl+0x10/0x10 [ 49.951484] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 49.952615] ? irqentry_exit+0xf3/0x650 [ 49.953502] do_syscall_64+0xbf/0x430 [ 49.954365] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 49.955493] RIP: 0033:0x7efe1e3ca5cd [ 49.956307] 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 [ 49.959983] RSP: 002b:00007fff0adbca00 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 49.961582] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007efe1e3ca5cd [ 49.963091] RDX: 00005627e2076e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 49.964600] RBP: 00007fff0adbca60 R08: 0000000000000000 R09: 00007fff0adbc100 [ 49.966107] R10: 0000000000000000 R11: 0000000000000246 R12: 0000562815786ad0 [ 49.967557] R13: 00007fff0adbce90 R14: 0000562815787bc0 R15: 0000562815798780 [ 49.968823] [ 49.969226] irq event stamp: 1871 [ 49.969865] hardirqs last enabled at (1881): [] __up_console_sem+0x78/0x80 [ 49.971343] hardirqs last disabled at (1890): [] __up_console_sem+0x5d/0x80 [ 49.972806] softirqs last enabled at (1400): [] handle_softirqs+0x50c/0x770 [ 49.974312] softirqs last disabled at (1377): [] __irq_exit_rcu+0xc4/0x100 [ 49.975792] ---[ end trace 0000000000000000 ]--- [ 50.785585] ------------[ cut here ]------------ [ 50.786567] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 50.788638] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/248 [ 50.790114] Modules linked in: [ 50.790777] CPU: 0 UID: 104 PID: 248 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 50.792798] Tainted: [W]=WARN [ 50.793415] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 50.794922] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 50.795851] 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 [ 50.799100] RSP: 0018:ffff888017aefbc0 EFLAGS: 00010286 [ 50.800088] RAX: 0000000000000000 RBX: ffffed1002f5df78 RCX: ffffffff813a4050 [ 50.801414] RDX: ffff888013f19bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 50.802712] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002f5df2f [ 50.804044] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 50.805383] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888017aefdf8 [ 50.806689] FS: 00007f814e5cd900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 50.808177] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.809257] CR2: 00007ffcb7f86ef8 CR3: 000000000cdfd000 CR4: 0000000000350ef0 [ 50.810579] Call Trace: [ 50.811062] [ 50.811527] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 50.812442] ? __create_object+0x59/0x80 [ 50.813195] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 50.814182] __vmalloc_noprof+0x59/0x60 [ 50.814970] bpf_prog_alloc_no_stats+0x55/0x470 [ 50.815863] ? __pfx_seccomp_check_filter+0x10/0x10 [ 50.816809] bpf_prog_alloc+0x39/0x200 [ 50.817559] ? __pfx_seccomp_check_filter+0x10/0x10 [ 50.818506] bpf_prog_create_from_user+0xb2/0x2f0 [ 50.819426] do_seccomp+0x349/0x25e0 [ 50.820113] ? find_held_lock+0x2b/0x80 [ 50.820891] ? do_prlimit+0x310/0x610 [ 50.821653] ? __pfx_do_seccomp+0x10/0x10 [ 50.822455] ? do_raw_spin_unlock+0x53/0x220 [ 50.823326] ? _raw_spin_unlock+0x1e/0x40 [ 50.824077] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 50.825060] ? static_key_count+0x60/0x80 [ 50.825878] prctl_set_seccomp+0x4e/0x70 [ 50.826675] __do_sys_prctl+0xe6c/0x1d70 [ 50.827496] ? __pfx___do_sys_prctl+0x10/0x10 [ 50.828384] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 50.829399] ? irqentry_exit+0xf3/0x650 [ 50.830129] do_syscall_64+0xbf/0x430 [ 50.830891] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 50.831871] RIP: 0033:0x7f814eabf5cd [ 50.832603] 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 [ 50.835853] RSP: 002b:00007ffcb7f85340 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 50.837228] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f814eabf5cd [ 50.838568] RDX: 0000560457f3ae00 RSI: 0000000000000002 RDI: 0000000000000016 [ 50.839883] RBP: 00007ffcb7f853a0 R08: 0000000000000000 R09: 00007ffcb7f84a40 [ 50.841189] R10: 0000000000000000 R11: 0000000000000246 R12: 0000560482054ad0 [ 50.842514] R13: 00007ffcb7f857d0 R14: 0000560482055bc0 R15: 0000560482066780 [ 50.843855] [ 50.844344] irq event stamp: 1789 [ 50.844969] hardirqs last enabled at (1797): [] __up_console_sem+0x78/0x80 [ 50.846523] hardirqs last disabled at (1806): [] __up_console_sem+0x5d/0x80 [ 50.848107] softirqs last enabled at (1786): [] handle_softirqs+0x50c/0x770 [ 50.849670] softirqs last disabled at (1771): [] __irq_exit_rcu+0xc4/0x100 [ 50.851195] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:28838' (ECDSA) to the list of known hosts. 2025/11/18 07:29:42 fuzzer started 2025/11/18 07:29:43 dialing manager at localhost:37895 2025/11/18 07:29:43 checking machine... 2025/11/18 07:29:43 checking revisions... [ 51.763426] kmemleak: Automatic memory scanning thread ended 2025/11/18 07:29:43 testing simple program... [ 51.852459] cgroup: Unknown subsys name 'net' [ 51.919797] cgroup: Unknown subsys name 'cpuset' [ 51.932152] cgroup: Unknown subsys name 'rlimit' executing program executing program VM DIAGNOSIS: 07:29:42 Registers: info registers vcpu 0 RAX=0000000000000000 RBX=0000000000000200 RCX=ffffffff815c4e0a RDX=1ffff1100d9c703d RSI=ffff888009627cb8 RDI=ffff888009627cc0 RBP=ffff88806ce38140 RSP=ffff888009627c40 R8 =0000000000000000 R9 =fffffbfff0cc9eca R10=ffffffff8664f657 R11=0000000000000000 R12=0000000000000000 R13=ffff888009627cb8 R14=ffff88806ce38160 R15=ffff88806ce381e8 RIP=ffffffff815d6983 RFL=00000086 [--S--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 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe0100000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007efe1e48d650 CR3=00000000201e6000 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=000000000000000000000000000000ff XMM02=000000000000000000000000000000ff XMM03=5320444f4854454d5f54505952434e45 XMM04=40404040404040404040404040404040 XMM05=5a5a5a5a5a5a5a5a5a5a5a5a5a5a5a5a XMM06=20202020202020202020202020202020 XMM07=00000000000000000000000000000000 XMM08=ffbc64ffffbc44ffffbc34ffffbc9f00 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=000000000002de9b 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 fffffe2400000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f4159622000 CR3=000000000d200000 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=f01bd438637f9480ba42fe48b1929cec XMM02=0000000000303190ec2efd57dc4c00df XMM03=000000000030fd70b37e618574633d9c XMM04=b127f3eb1bc768da00000000000ae988 XMM05=5ccf86491053b53c0000000000320820 XMM06=474038aa6c007e1f000000000031ede8 XMM07=e042d86d42eb936e00000000003107b0 XMM08=b37e618574633d9c00000000003031f0 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000