syzkaller login: [ 38.987702] ------------[ cut here ]------------ [ 38.988682] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 38.990711] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/231 [ 38.992180] Modules linked in: [ 38.992826] CPU: 0 UID: 104 PID: 231 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 38.994845] Tainted: [W]=WARN [ 38.995448] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 38.996939] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 38.997875] 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 [ 39.001047] RSP: 0018:ffff888013b47bc0 EFLAGS: 00010286 [ 39.002043] RAX: 0000000000000000 RBX: ffffed1002768f78 RCX: ffffffff813a4050 [ 39.003328] RDX: ffff8880175f3780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 39.004851] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002768f2f [ 39.006162] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000400dc0 [ 39.007475] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888013b47df8 [ 39.008793] FS: 00007fd3a0ed2900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 39.010271] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 39.011397] CR2: 00007fd3a13c4580 CR3: 000000000f206000 CR4: 0000000000350ef0 [ 39.012714] Call Trace: [ 39.013194] [ 39.013657] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 39.014591] ? __create_object+0x59/0x80 [ 39.015390] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.016401] __vmalloc_noprof+0x59/0x60 [ 39.017130] bpf_prog_alloc_no_stats+0x55/0x470 [ 39.018035] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.018993] bpf_prog_alloc+0x39/0x200 [ 39.019740] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.020723] bpf_prog_create_from_user+0xb2/0x2f0 [ 39.021668] do_seccomp+0x349/0x25e0 [ 39.022421] ? __pfx_css_rstat_updated+0x10/0x10 [ 39.023336] ? __pfx_do_seccomp+0x10/0x10 [ 39.024097] ? find_held_lock+0x2b/0x80 [ 39.024895] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 39.025911] ? static_key_count+0x60/0x80 [ 39.026749] prctl_set_seccomp+0x4e/0x70 [ 39.027531] __do_sys_prctl+0xe6c/0x1d70 [ 39.028361] ? __pfx___do_sys_prctl+0x10/0x10 [ 39.029238] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.030249] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 39.031250] ? irqentry_exit+0xf3/0x650 [ 39.032066] do_syscall_64+0xbf/0x430 [ 39.032881] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 39.033882] RIP: 0033:0x7fd3a13c45cd [ 39.034636] 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 [ 39.037967] RSP: 002b:00007ffd5c77b0e0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 39.039420] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fd3a13c45cd [ 39.040794] RDX: 0000563c4bd7ae00 RSI: 0000000000000002 RDI: 0000000000000016 [ 39.042239] RBP: 00007ffd5c77b140 R08: 0000000000000000 R09: 00007ffd5c77a7e0 [ 39.043636] R10: 0000000000000000 R11: 0000000000000246 R12: 0000563c5c2f0ad0 [ 39.045003] R13: 00007ffd5c77b570 R14: 0000563c5c2f1bc0 R15: 0000563c5c302780 [ 39.046212] [ 39.046649] irq event stamp: 1775 [ 39.047215] hardirqs last enabled at (1783): [] __up_console_sem+0x78/0x80 [ 39.048644] hardirqs last disabled at (1792): [] __up_console_sem+0x5d/0x80 [ 39.050065] softirqs last enabled at (1742): [] handle_softirqs+0x50c/0x770 [ 39.051505] softirqs last disabled at (1737): [] __irq_exit_rcu+0xc4/0x100 [ 39.052937] ---[ end trace 0000000000000000 ]--- [ 42.668156] ------------[ cut here ]------------ [ 42.669092] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.671118] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/242 [ 42.672616] Modules linked in: [ 42.673208] CPU: 1 UID: 104 PID: 242 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 42.675213] Tainted: [W]=WARN [ 42.675795] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.677405] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.678335] 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 [ 42.681522] RSP: 0018:ffff888015897bc0 EFLAGS: 00010286 [ 42.682500] RAX: 0000000000000000 RBX: ffffed1002b12f78 RCX: ffffffff813a4050 [ 42.683774] RDX: ffff8880175f0000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.685008] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002b12f2f [ 42.686059] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.687112] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888015897df8 [ 42.688170] FS: 00007f7a01dd1900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 42.689379] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.690218] CR2: 00007f7a022c3580 CR3: 000000000f33d000 CR4: 0000000000350ef0 [ 42.691278] Call Trace: [ 42.691685] [ 42.692022] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.692764] ? __create_object+0x59/0x80 [ 42.693401] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.694171] __vmalloc_noprof+0x59/0x60 [ 42.694797] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.695509] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.696249] bpf_prog_alloc+0x39/0x200 [ 42.696857] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.697611] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.698346] do_seccomp+0x349/0x25e0 [ 42.698905] ? __pfx_css_rstat_updated+0x10/0x10 [ 42.699638] ? __pfx_do_seccomp+0x10/0x10 [ 42.700264] ? find_held_lock+0x2b/0x80 [ 42.700891] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.701672] ? static_key_count+0x60/0x80 [ 42.702320] prctl_set_seccomp+0x4e/0x70 [ 42.702922] __do_sys_prctl+0xe6c/0x1d70 [ 42.703567] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.704252] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.705048] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.705851] ? irqentry_exit+0xf3/0x650 [ 42.706473] do_syscall_64+0xbf/0x430 [ 42.707054] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.707827] RIP: 0033:0x7f7a022c35cd [ 42.708410] 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 [ 42.711045] RSP: 002b:00007ffde5efade0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.712193] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f7a022c35cd [ 42.713264] RDX: 0000563a4a7dde00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.714331] RBP: 00007ffde5efae40 R08: 0000000000000000 R09: 00007ffde5efa4e0 [ 42.715387] R10: 0000000000000000 R11: 0000000000000246 R12: 0000563a7fb912b0 [ 42.716456] R13: 00007ffde5efb270 R14: 0000563a7fb93d20 R15: 0000563a7fba58d0 [ 42.717535] [ 42.717886] irq event stamp: 1667 [ 42.718425] hardirqs last enabled at (1677): [] __up_console_sem+0x78/0x80 [ 42.719690] hardirqs last disabled at (1686): [] __up_console_sem+0x5d/0x80 [ 42.720958] softirqs last enabled at (1390): [] handle_softirqs+0x50c/0x770 [ 42.722235] softirqs last disabled at (1385): [] __irq_exit_rcu+0xc4/0x100 [ 42.723487] ---[ end trace 0000000000000000 ]--- [ 43.529666] ------------[ cut here ]------------ [ 43.530841] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 43.532892] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/249 [ 43.534390] Modules linked in: [ 43.534990] CPU: 1 UID: 104 PID: 249 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 43.536986] Tainted: [W]=WARN [ 43.537575] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 43.539055] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 43.539979] 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 [ 43.543164] RSP: 0018:ffff88800f017bc0 EFLAGS: 00010286 [ 43.544127] RAX: 0000000000000000 RBX: ffffed1001e02f78 RCX: ffffffff813a4050 [ 43.545424] RDX: ffff888015cb0000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 43.546710] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1001e02f2f [ 43.547990] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 43.549312] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88800f017df8 [ 43.550594] FS: 00007fde2133c900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 43.552045] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 43.553113] CR2: 00007ffd22d67ef7 CR3: 000000001c24c000 CR4: 0000000000350ef0 [ 43.554393] Call Trace: [ 43.554864] [ 43.555275] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 43.556184] ? __create_object+0x59/0x80 [ 43.556987] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 43.557951] __vmalloc_noprof+0x59/0x60 [ 43.558726] bpf_prog_alloc_no_stats+0x55/0x470 [ 43.559601] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.560551] bpf_prog_alloc+0x39/0x200 [ 43.561247] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.562168] bpf_prog_create_from_user+0xb2/0x2f0 [ 43.563075] do_seccomp+0x349/0x25e0 [ 43.563799] ? find_held_lock+0x2b/0x80 [ 43.564568] ? do_prlimit+0x310/0x610 [ 43.565266] ? __pfx_do_seccomp+0x10/0x10 [ 43.566049] ? do_raw_spin_unlock+0x53/0x220 [ 43.566874] ? _raw_spin_unlock+0x1e/0x40 [ 43.567653] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 43.568640] ? static_key_count+0x60/0x80 [ 43.569450] prctl_set_seccomp+0x4e/0x70 [ 43.570185] __do_sys_prctl+0xe6c/0x1d70 [ 43.570983] ? __pfx___do_sys_prctl+0x10/0x10 [ 43.571854] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 43.572864] ? irqentry_exit+0xf3/0x650 [ 43.573650] do_syscall_64+0xbf/0x430 [ 43.574387] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 43.575357] RIP: 0033:0x7fde2182e5cd [ 43.576019] 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 [ 43.579212] RSP: 002b:00007ffd22d66580 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 43.580609] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fde2182e5cd [ 43.581902] RDX: 000055ed3928fe00 RSI: 0000000000000002 RDI: 0000000000000016 [ 43.583180] RBP: 00007ffd22d665e0 R08: 0000000000000000 R09: 00007ffd22d65c80 [ 43.584464] R10: 0000000000000000 R11: 0000000000000246 R12: 000055ed59594ad0 [ 43.585761] R13: 00007ffd22d66a10 R14: 000055ed59595bc0 R15: 000055ed595a6780 [ 43.587071] [ 43.587542] irq event stamp: 1837 [ 43.588157] hardirqs last enabled at (1845): [] __up_console_sem+0x78/0x80 [ 43.589715] hardirqs last disabled at (1854): [] __up_console_sem+0x5d/0x80 [ 43.591248] softirqs last enabled at (1834): [] handle_softirqs+0x50c/0x770 [ 43.592842] softirqs last disabled at (1829): [] __irq_exit_rcu+0xc4/0x100 [ 43.594349] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:36274' (ECDSA) to the list of known hosts. 2025/11/18 05:10:44 fuzzer started 2025/11/18 05:10:45 dialing manager at localhost:37895 2025/11/18 05:10:45 checking machine... 2025/11/18 05:10:45 checking revisions... [ 44.509812] kmemleak: Automatic memory scanning thread ended 2025/11/18 05:10:45 testing simple program... [ 44.591666] cgroup: Unknown subsys name 'net' [ 44.653108] cgroup: Unknown subsys name 'cpuset' [ 44.665537] cgroup: Unknown subsys name 'rlimit' executing program executing program VM DIAGNOSIS: 05:10:44 Registers: info registers vcpu 0 RAX=e51827a5e3ac5900 RBX=ffff888009627978 RCX=ffff888009627794 RDX=0000000000000001 RSI=ffffffff85e1ffe0 RDI=ffff888009612640 RBP=ffffffff85e1ffe0 RSP=ffff888009627788 R8 =ffffffff86a49c3a R9 =ffff888009627880 R10=000000000003c9ed R11=0000000000012f69 R12=ffffffff8135e7a2 R13=0000000000000206 R14=ffff888009611bc0 R15=0000000000000002 RIP=ffffffff81529012 RFL=00000206 [-----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 fffffe4f00000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007fd22daea000 CR3=000000000d385000 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=b3285ca56c489dff00000000002b9c80 XMM01=7e8a42789393c4b70000000000303788 XMM02=eff9b2d0a8fce9cb0000000000303938 XMM03=2c67c8bc2e329bc30000000000303a60 XMM04=a4dfc779d2e4b14200000000000ae988 XMM05=8bb1b50aa77f65c90000000000321de8 XMM06=d96330e2d2db86320000000000320c80 XMM07=fb795ef6d65770560000000000310638 XMM08=2c67c8bc2e329bc30000000000303a60 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=0000000000000046 RBX=ffff88800bb5ce60 RCX=ffffffff817d97d6 RDX=0000000000000000 RSI=0000000000000008 RDI=ffff88806cf31cd0 RBP=ffff88806cf38140 RSP=ffff88801863fd20 R8 =0000000000000000 R9 =0000000000000001 R10=ffffffff8664f657 R11=0000000000000000 R12=ffff88806cf38260 R13=0000000000000022 R14=ffff88806cf38230 R15=ffff88806cf381e8 RIP=ffffffff81526d83 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 00007f7a01dd1900 00000000 00000000 GS =0000 ffff8880e548f000 00000000 00000000 LDT=0000 fffffe6d00000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007ffde5ef4000 CR3=000000001f71a000 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=00ff0000000000000000000000000000 XMM02=2f00646f6874656d5f74707972636e65 XMM03=5320444f4854454d5f54505952434e45 XMM04=40404040404040404040404040404040 XMM05=5a5a5a5a5a5a5a5a5a5a5a5a5a5a5a5a XMM06=20202020202020202020202020202020 XMM07=ff00ffffffffffffffffffffffffffff XMM08=20002020202020200020202020202020 XMM09=0000ffffffffffffffffffffffffffff XMM10=00002020202020200020202020202020 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000