syzkaller login: [ 39.075975] ------------[ cut here ]------------ [ 39.076946] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 39.079010] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/234 [ 39.080506] Modules linked in: [ 39.081111] CPU: 1 UID: 104 PID: 234 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 39.083151] Tainted: [W]=WARN [ 39.083771] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 39.085314] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 39.086269] 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 [ 39.089494] RSP: 0018:ffff88801a3efbc0 EFLAGS: 00010286 [ 39.090511] RAX: 0000000000000000 RBX: ffffed100347df78 RCX: ffffffff813a4050 [ 39.091821] RDX: ffff88801a001bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 39.093146] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed100347df2f [ 39.094490] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000400dc0 [ 39.095805] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801a3efdf8 [ 39.097121] FS: 00007f756223c900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 39.098617] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 39.099720] CR2: 00007f75627a24a6 CR3: 000000000ddea000 CR4: 0000000000350ef0 [ 39.101035] Call Trace: [ 39.101587] [ 39.102019] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 39.102952] ? __create_object+0x59/0x80 [ 39.103746] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.104725] __vmalloc_noprof+0x59/0x60 [ 39.105527] bpf_prog_alloc_no_stats+0x55/0x470 [ 39.106420] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.107316] bpf_prog_alloc+0x39/0x200 [ 39.108077] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.109020] bpf_prog_create_from_user+0xb2/0x2f0 [ 39.109956] do_seccomp+0x349/0x25e0 [ 39.110696] ? find_held_lock+0x2b/0x80 [ 39.111472] ? do_prlimit+0x310/0x610 [ 39.112186] ? __pfx_do_seccomp+0x10/0x10 [ 39.112975] ? do_raw_spin_unlock+0x53/0x220 [ 39.113848] ? _raw_spin_unlock+0x1e/0x40 [ 39.114648] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 39.115626] ? static_key_count+0x60/0x80 [ 39.116439] prctl_set_seccomp+0x4e/0x70 [ 39.117184] __do_sys_prctl+0xe6c/0x1d70 [ 39.118005] ? __pfx___do_sys_prctl+0x10/0x10 [ 39.118892] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 39.119899] ? irqentry_exit+0xf3/0x650 [ 39.120683] do_syscall_64+0xbf/0x430 [ 39.121440] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 39.122414] RIP: 0033:0x7f756272e5cd [ 39.123080] 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 [ 39.126305] RSP: 002b:00007fff8f230f90 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 39.127735] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f756272e5cd [ 39.129048] RDX: 000055cca464de00 RSI: 0000000000000002 RDI: 0000000000000016 [ 39.130388] RBP: 00007fff8f230ff0 R08: 0000000000000000 R09: 00007fff8f230690 [ 39.131700] R10: 0000000000000000 R11: 0000000000000246 R12: 000055ccc578dad0 [ 39.132994] R13: 00007fff8f231420 R14: 000055ccc578ebc0 R15: 000055ccc579f780 [ 39.134363] [ 39.134811] irq event stamp: 1719 [ 39.135478] hardirqs last enabled at (1729): [] __up_console_sem+0x78/0x80 [ 39.137047] hardirqs last disabled at (1738): [] __up_console_sem+0x5d/0x80 [ 39.138642] softirqs last enabled at (1676): [] handle_softirqs+0x50c/0x770 [ 39.140243] softirqs last disabled at (1671): [] __irq_exit_rcu+0xc4/0x100 [ 39.141822] ---[ end trace 0000000000000000 ]--- [ 42.607609] ------------[ cut here ]------------ [ 42.608313] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.610101] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/245 [ 42.611294] Modules linked in: [ 42.611792] CPU: 1 UID: 104 PID: 245 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 42.613423] Tainted: [W]=WARN [ 42.613887] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.615133] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.615865] 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 [ 42.618436] RSP: 0018:ffff8880158efbc0 EFLAGS: 00010286 [ 42.619193] RAX: 0000000000000000 RBX: ffffed1002b1df78 RCX: ffffffff813a4050 [ 42.620227] RDX: ffff88801aa41bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.621268] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002b1df2f [ 42.622301] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.623322] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff8880158efdf8 [ 42.624403] FS: 00007fc67f311900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 42.625675] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.626522] CR2: 00007fc67f803580 CR3: 000000001f310000 CR4: 0000000000350ef0 [ 42.627765] Call Trace: [ 42.628258] [ 42.628753] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.629708] ? __create_object+0x59/0x80 [ 42.630530] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.631525] __vmalloc_noprof+0x59/0x60 [ 42.632250] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.633175] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.634161] bpf_prog_alloc+0x39/0x200 [ 42.634909] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.635865] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.636816] do_seccomp+0x349/0x25e0 [ 42.637589] ? __pfx_css_rstat_updated+0x10/0x10 [ 42.638529] ? __pfx_do_seccomp+0x10/0x10 [ 42.639259] ? find_held_lock+0x2b/0x80 [ 42.640073] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.641086] ? static_key_count+0x60/0x80 [ 42.641940] prctl_set_seccomp+0x4e/0x70 [ 42.642757] __do_sys_prctl+0xe6c/0x1d70 [ 42.643579] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.644453] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.645423] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.646429] ? irqentry_exit+0xf3/0x650 [ 42.647171] do_syscall_64+0xbf/0x430 [ 42.647959] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.648988] RIP: 0033:0x7fc67f8035cd [ 42.649746] 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 [ 42.652952] RSP: 002b:00007ffc04d8ede0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.654394] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fc67f8035cd [ 42.655683] RDX: 000055d1e6357e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.657024] RBP: 00007ffc04d8ee40 R08: 0000000000000000 R09: 00007ffc04d8e4e0 [ 42.658382] R10: 0000000000000000 R11: 0000000000000246 R12: 000055d22498ead0 [ 42.659716] R13: 00007ffc04d8f270 R14: 000055d22498fbc0 R15: 000055d2249a0780 [ 42.661075] [ 42.661606] irq event stamp: 1731 [ 42.662228] hardirqs last enabled at (1739): [] __up_console_sem+0x78/0x80 [ 42.663829] hardirqs last disabled at (1764): [] __up_console_sem+0x5d/0x80 [ 42.665380] softirqs last enabled at (1762): [] handle_softirqs+0x50c/0x770 [ 42.666998] softirqs last disabled at (1747): [] __irq_exit_rcu+0xc4/0x100 [ 42.668614] ---[ end trace 0000000000000000 ]--- [ 43.467868] ------------[ cut here ]------------ [ 43.468805] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 43.470909] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/253 [ 43.472405] Modules linked in: [ 43.472998] CPU: 0 UID: 104 PID: 253 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 43.475001] Tainted: [W]=WARN [ 43.475607] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 43.477077] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 43.478257] 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 [ 43.481760] RSP: 0018:ffff8880170a7bc0 EFLAGS: 00010286 [ 43.482744] RAX: 0000000000000000 RBX: ffffed1002e14f78 RCX: ffffffff813a4050 [ 43.484016] RDX: ffff888016f08000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 43.485297] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002e14f2f [ 43.486599] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 43.487886] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff8880170a7df8 [ 43.489193] FS: 00007f3763a11900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 43.490643] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 43.491695] CR2: 00007f3763f03580 CR3: 000000000f975000 CR4: 0000000000350ef0 [ 43.492999] Call Trace: [ 43.493521] [ 43.493933] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 43.494842] ? __create_object+0x59/0x80 [ 43.495629] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 43.496612] __vmalloc_noprof+0x59/0x60 [ 43.497383] bpf_prog_alloc_no_stats+0x55/0x470 [ 43.498238] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.499173] bpf_prog_alloc+0x39/0x200 [ 43.499905] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.500846] bpf_prog_create_from_user+0xb2/0x2f0 [ 43.501778] do_seccomp+0x349/0x25e0 [ 43.502496] ? __pfx_css_rstat_updated+0x10/0x10 [ 43.503411] ? __pfx_do_seccomp+0x10/0x10 [ 43.504162] ? find_held_lock+0x2b/0x80 [ 43.504926] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 43.505899] ? static_key_count+0x60/0x80 [ 43.506715] prctl_set_seccomp+0x4e/0x70 [ 43.507493] __do_sys_prctl+0xe6c/0x1d70 [ 43.508234] ? __pfx___do_sys_prctl+0x10/0x10 [ 43.509106] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 43.510107] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 43.511090] ? irqentry_exit+0xf3/0x650 [ 43.511854] do_syscall_64+0xbf/0x430 [ 43.512601] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 43.513576] RIP: 0033:0x7f3763f035cd [ 43.514234] 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 [ 43.517392] RSP: 002b:00007ffe3654a4a0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 43.518792] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f3763f035cd [ 43.520081] RDX: 000055da37072e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 43.521379] RBP: 00007ffe3654a500 R08: 0000000000000000 R09: 00007ffe36549ba0 [ 43.522676] R10: 0000000000000000 R11: 0000000000000246 R12: 000055da3fef2ad0 [ 43.523968] R13: 00007ffe3654a930 R14: 000055da3fef3bc0 R15: 000055da3ff04780 [ 43.525268] [ 43.525734] irq event stamp: 1897 [ 43.526387] hardirqs last enabled at (1907): [] __up_console_sem+0x78/0x80 [ 43.527908] hardirqs last disabled at (1916): [] __up_console_sem+0x5d/0x80 [ 43.529430] softirqs last enabled at (1460): [] handle_softirqs+0x50c/0x770 [ 43.530988] softirqs last disabled at (1401): [] __irq_exit_rcu+0xc4/0x100 [ 43.532513] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:55783' (ECDSA) to the list of known hosts. 2025/11/18 00:33:41 fuzzer started 2025/11/18 00:33:41 dialing manager at localhost:37895 2025/11/18 00:33:41 checking machine... 2025/11/18 00:33:41 checking revisions... [ 44.444852] kmemleak: Automatic memory scanning thread ended 2025/11/18 00:33:42 testing simple program... [ 44.534760] cgroup: Unknown subsys name 'net' [ 44.590022] cgroup: Unknown subsys name 'cpuset' [ 44.603772] cgroup: Unknown subsys name 'rlimit' executing program executing program VM DIAGNOSIS: 00:33:41 Registers: info registers vcpu 0 RAX=ffff888015868000 RBX=0000000000000001 RCX=0000000000000001 RDX=0000000000000000 RSI=ffffffff81ab078e RDI=ffffed100d9c785e RBP=ffff88806ce3c2f0 RSP=ffff8880158678d8 R8 =0000000000000001 R9 =0000000000000000 R10=ffffffff8664f657 R11=0000000000000000 R12=0000000000000000 R13=0000000000000001 R14=0000000000000000 R15=ffff88800c016128 RIP=ffffffff81529327 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 00007f38dc705900 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe4c00000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007ffc73c4f968 CR3=000000000dff6000 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=ffffffffffffffffffffffffffffffff XMM01=30306234386136303638616663356134 XMM02=38303062343861363036386166633561 XMM03=2f6c616e72756f6a2f676f6c2f6e7572 XMM04=66b350e553755fe400000000000ae988 XMM05=50f8fbccbf1debe50000000000321960 XMM06=405749d8372a36f1000000000031fa38 XMM07=00000000000000000000000000000000 XMM08=415453454d49545f454d49544c414552 XMM09=00000000000000000000000000000000 XMM10=20200000000020202020202020200000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=0000000000000001 RBX=0000000000000001 RCX=ffffffff83c826c4 RDX=0000000000000000 RSI=0000000000000001 RDI=0000000000000000 RBP=0000000000000001 RSP=ffff88801ac0fd40 R8 =0000000000000001 R9 =0000000000000000 R10=0000000000000001 R11=0000000000000001 R12=ffff88801a98a000 R13=ffff888015e0f000 R14=0000000000000000 R15=0000000000000010 RIP=ffffffff81751734 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 00007fc67f311900 00000000 00000000 GS =0000 ffff8880e548f000 00000000 00000000 LDT=0000 fffffe1900000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007ffc04d88000 CR3=000000001f2f3000 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