syzkaller login: [ 39.085629] ------------[ cut here ]------------ [ 39.086522] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 39.088469] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/232 [ 39.089857] Modules linked in: [ 39.090500] CPU: 0 UID: 104 PID: 232 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 39.092408] Tainted: [W]=WARN [ 39.092977] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 39.094386] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 39.095257] 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 [ 39.098298] RSP: 0018:ffff888013ccfbc0 EFLAGS: 00010286 [ 39.099231] RAX: 0000000000000000 RBX: ffffed1002799f78 RCX: ffffffff813a4050 [ 39.100461] RDX: ffff888015b1b780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 39.101709] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002799f2f [ 39.102943] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 39.104190] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888013ccfdf8 [ 39.105419] FS: 00007fd39389b900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 39.106801] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 39.107827] CR2: 00007ffe5447bef7 CR3: 000000000d62f000 CR4: 0000000000350ef0 [ 39.109052] Call Trace: [ 39.109502] [ 39.109891] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 39.110761] ? __create_object+0x59/0x80 [ 39.111521] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.112445] __vmalloc_noprof+0x59/0x60 [ 39.113182] bpf_prog_alloc_no_stats+0x55/0x470 [ 39.114035] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.114879] bpf_prog_alloc+0x39/0x200 [ 39.115589] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.116483] bpf_prog_create_from_user+0xb2/0x2f0 [ 39.117363] do_seccomp+0x349/0x25e0 [ 39.118053] ? find_held_lock+0x2b/0x80 [ 39.118737] ? do_prlimit+0x310/0x610 [ 39.119461] ? __pfx_do_seccomp+0x10/0x10 [ 39.120196] ? do_raw_spin_unlock+0x53/0x220 [ 39.121003] ? _raw_spin_unlock+0x1e/0x40 [ 39.121715] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 39.122640] ? static_key_count+0x60/0x80 [ 39.123408] prctl_set_seccomp+0x4e/0x70 [ 39.124130] __do_sys_prctl+0xe6c/0x1d70 [ 39.124842] ? __pfx___do_sys_prctl+0x10/0x10 [ 39.125672] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 39.126609] ? irqentry_exit+0xf3/0x650 [ 39.127350] do_syscall_64+0xbf/0x430 [ 39.128057] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 39.128962] RIP: 0033:0x7fd393d8d5cd [ 39.129609] 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 [ 39.132631] RSP: 002b:00007ffe5447aeb0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 39.133957] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fd393d8d5cd [ 39.135175] RDX: 000055fbabd18e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 39.136396] RBP: 00007ffe5447af10 R08: 0000000000000000 R09: 00007ffe5447a5b0 [ 39.137636] R10: 0000000000000000 R11: 0000000000000246 R12: 000055fbd5b56ad0 [ 39.138859] R13: 00007ffe5447b340 R14: 000055fbd5b57bc0 R15: 000055fbd5b68780 [ 39.140105] [ 39.140507] irq event stamp: 1707 [ 39.141114] hardirqs last enabled at (1717): [] __up_console_sem+0x78/0x80 [ 39.142584] hardirqs last disabled at (1726): [] __up_console_sem+0x5d/0x80 [ 39.144047] softirqs last enabled at (1630): [] handle_softirqs+0x50c/0x770 [ 39.145550] softirqs last disabled at (1625): [] __irq_exit_rcu+0xc4/0x100 [ 39.147003] ---[ end trace 0000000000000000 ]--- [ 42.065880] ------------[ cut here ]------------ [ 42.066818] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.068861] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/241 [ 42.070355] Modules linked in: [ 42.071001] CPU: 1 UID: 104 PID: 241 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 42.073020] Tainted: [W]=WARN [ 42.073589] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.075091] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.076011] 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 [ 42.079224] RSP: 0018:ffff888018557bc0 EFLAGS: 00010286 [ 42.080204] RAX: 0000000000000000 RBX: ffffed10030aaf78 RCX: ffffffff813a4050 [ 42.081517] RDX: ffff888017260000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.082810] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed10030aaf2f [ 42.084091] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.085390] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888018557df8 [ 42.086666] FS: 00007f7063155900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 42.088097] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.089184] CR2: 00007f7063647580 CR3: 0000000020621000 CR4: 0000000000350ef0 [ 42.090482] Call Trace: [ 42.090988] [ 42.091431] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.092363] ? __create_object+0x59/0x80 [ 42.093152] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.094145] __vmalloc_noprof+0x59/0x60 [ 42.094857] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.095743] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.096669] bpf_prog_alloc+0x39/0x200 [ 42.097420] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.098371] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.099292] do_seccomp+0x349/0x25e0 [ 42.100018] ? __pfx_css_rstat_updated+0x10/0x10 [ 42.100889] ? __pfx_do_seccomp+0x10/0x10 [ 42.101708] ? find_held_lock+0x2b/0x80 [ 42.102493] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.103470] ? static_key_count+0x60/0x80 [ 42.104295] prctl_set_seccomp+0x4e/0x70 [ 42.105073] __do_sys_prctl+0xe6c/0x1d70 [ 42.105850] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.106729] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.107692] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.108668] ? irqentry_exit+0xf3/0x650 [ 42.109459] do_syscall_64+0xbf/0x430 [ 42.110207] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.111173] RIP: 0033:0x7f70636475cd [ 42.111845] 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 [ 42.114999] RSP: 002b:00007ffdc130d050 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.116365] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f70636475cd [ 42.117678] RDX: 000056252dfefe00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.118971] RBP: 00007ffdc130d0b0 R08: 0000000000000000 R09: 00007ffdc130c750 [ 42.120250] R10: 0000000000000000 R11: 0000000000000246 R12: 000056256d72dad0 [ 42.121550] R13: 00007ffdc130d4e0 R14: 000056256d72ebc0 R15: 000056256d73f780 [ 42.122866] [ 42.123339] irq event stamp: 2267 [ 42.123986] hardirqs last enabled at (2277): [] __up_console_sem+0x78/0x80 [ 42.125538] hardirqs last disabled at (2286): [] __up_console_sem+0x5d/0x80 [ 42.126863] softirqs last enabled at (1858): [] handle_softirqs+0x50c/0x770 [ 42.128152] softirqs last disabled at (1853): [] __irq_exit_rcu+0xc4/0x100 [ 42.129419] ---[ end trace 0000000000000000 ]--- [ 42.936416] ------------[ cut here ]------------ [ 42.937184] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.938832] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/250 [ 42.940026] Modules linked in: [ 42.940524] CPU: 0 UID: 104 PID: 250 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 42.942329] Tainted: [W]=WARN [ 42.942786] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.944144] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.944863] 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 [ 42.947700] RSP: 0018:ffff888016fa7bc0 EFLAGS: 00010286 [ 42.948531] RAX: 0000000000000000 RBX: ffffed1002df4f78 RCX: ffffffff813a4050 [ 42.949616] RDX: ffff888013f7b780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.950676] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002df4f2f [ 42.951729] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.952784] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888016fa7df8 [ 42.953857] FS: 00007f2069c3d900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 42.955056] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.955885] CR2: 00007fff6e766ef7 CR3: 000000000e923000 CR4: 0000000000350ef0 [ 42.956972] Call Trace: [ 42.957362] [ 42.957696] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.958436] ? __create_object+0x59/0x80 [ 42.959076] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.959838] __vmalloc_noprof+0x59/0x60 [ 42.960463] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.961188] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.961969] bpf_prog_alloc+0x39/0x200 [ 42.962540] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.963304] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.964042] do_seccomp+0x349/0x25e0 [ 42.964596] ? find_held_lock+0x2b/0x80 [ 42.965225] ? do_prlimit+0x310/0x610 [ 42.965806] ? __pfx_do_seccomp+0x10/0x10 [ 42.966456] ? do_raw_spin_unlock+0x53/0x220 [ 42.967143] ? _raw_spin_unlock+0x1e/0x40 [ 42.967750] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.968550] ? static_key_count+0x60/0x80 [ 42.969224] prctl_set_seccomp+0x4e/0x70 [ 42.969850] __do_sys_prctl+0xe6c/0x1d70 [ 42.970513] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.971225] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.972046] ? irqentry_exit+0xf3/0x650 [ 42.972652] do_syscall_64+0xbf/0x430 [ 42.973285] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.974093] RIP: 0033:0x7f206a12f5cd [ 42.974650] 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 [ 42.977340] RSP: 002b:00007fff6e764520 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.978493] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f206a12f5cd [ 42.979580] RDX: 000055ecb68e4e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.980674] RBP: 00007fff6e764580 R08: 0000000000000000 R09: 00007fff6e763c20 [ 42.981769] R10: 0000000000000000 R11: 0000000000000246 R12: 000055ecccfdead0 [ 42.982857] R13: 00007fff6e7649b0 R14: 000055ecccfdfbc0 R15: 000055ecccff0780 [ 42.983965] [ 42.984323] irq event stamp: 3329 [ 42.984836] hardirqs last enabled at (3337): [] __up_console_sem+0x78/0x80 [ 42.986129] hardirqs last disabled at (3346): [] __up_console_sem+0x5d/0x80 [ 42.987414] softirqs last enabled at (3046): [] handle_softirqs+0x50c/0x770 [ 42.988718] softirqs last disabled at (3041): [] __irq_exit_rcu+0xc4/0x100 [ 42.990012] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:43759' (ECDSA) to the list of known hosts. 2025/11/19 02:14:46 fuzzer started 2025/11/19 02:14:46 dialing manager at localhost:34383 2025/11/19 02:14:47 checking machine... 2025/11/19 02:14:47 checking revisions... [ 43.934106] kmemleak: Automatic memory scanning thread ended 2025/11/19 02:14:47 testing simple program... [ 44.034441] cgroup: Unknown subsys name 'net' [ 44.120458] cgroup: Unknown subsys name 'cpuset' [ 44.135180] cgroup: Unknown subsys name 'rlimit' executing program executing program VM DIAGNOSIS: 02:14:46 Registers: info registers vcpu 0 RAX=0000000000000000 RBX=0000000000000000 RCX=0000000000000002 RDX=0000000000000000 RSI=ffffffff8135e4bd RDI=fffffbfff0bc3ffc RBP=ffffffff85e1ffe0 RSP=ffff8880096276e0 R8 =0000000000000000 R9 =0000000000000000 R10=ffff888009627840 R11=0000000000000001 R12=0000000000000002 R13=ffffffff8135e4bd R14=0000000000000000 R15=ffff888009627840 RIP=ffffffff81b2d298 RFL=00000286 [--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 fffffe6d00000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f706370a650 CR3=000000000e872000 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=2035343a34313a323020393120766f4e XMM01=657463656e6e6f63736944203a5d3034 XMM02=302e303120746f6f722072657375206d XMM03=203a5d3034325b646873732072656c6c XMM04=69662068637573206f4e203a656c6163 XMM05=3a656c696620766e65206e65706f206f XMM06=65733a6468737328766e655f6d617020 XMM07=6b7a79732035343a34313a3230203931 XMM08=30343d7974696c696261706163202279 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=0000000000000000 RBX=0000000000000043 RCX=ffffffff81a0be4a RDX=ffff888017263780 RSI=ffffffff81a0be59 RDI=0000000000000007 RBP=000000000ce15067 RSP=ffff88801857f6c8 R8 =0000000000000001 R9 =0000000000000000 R10=0000000000000043 R11=0000000000000001 R12=00007f72f01fffff R13=ffff888000000000 R14=00007f72f0162000 R15=00007f72f0163fff RIP=ffffffff81751e08 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 00007f72efef3900 00000000 00000000 GS =0000 ffff8880e548f000 00000000 00000000 LDT=0000 fffffe6b00000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007fffb1d46378 CR3=000000000df55000 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=ffffffffffff00000000000000000000 XMM02=ffffffffffff00000000000000000000 XMM03=00000000000000000000000000000000 XMM04=00000000000000000000000000000000 XMM05=00000000000000000000000000000000 XMM06=00000000000000000000000000000000 XMM07=00000000000000000000000000000000 XMM08=00000000000073707574726174732064 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000