syzkaller login: [ 38.973688] ------------[ cut here ]------------ [ 38.974614] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 38.976660] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/233 [ 38.978288] Modules linked in: [ 38.978938] CPU: 0 UID: 104 PID: 233 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 38.980935] Tainted: [W]=WARN [ 38.981506] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 38.982978] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 38.983903] 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 [ 38.987105] RSP: 0018:ffff88801765fbc0 EFLAGS: 00010286 [ 38.988105] RAX: 0000000000000000 RBX: ffffed1002ecbf78 RCX: ffffffff813a4050 [ 38.989402] RDX: ffff888015d7b780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 38.990704] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002ecbf2f [ 38.991999] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000400dc0 [ 38.993308] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801765fdf8 [ 38.994612] FS: 00007f1715203900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 38.996050] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 38.997124] CR2: 00007f17156f5580 CR3: 0000000009cc5000 CR4: 0000000000350ef0 [ 38.998440] Call Trace: [ 38.998955] [ 38.999366] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 39.000270] ? __create_object+0x59/0x80 [ 39.001058] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.002064] __vmalloc_noprof+0x59/0x60 [ 39.002778] bpf_prog_alloc_no_stats+0x55/0x470 [ 39.003648] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.004575] bpf_prog_alloc+0x39/0x200 [ 39.005309] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.006270] bpf_prog_create_from_user+0xb2/0x2f0 [ 39.007178] do_seccomp+0x349/0x25e0 [ 39.007899] ? __pfx_css_rstat_updated+0x10/0x10 [ 39.008765] ? __pfx_do_seccomp+0x10/0x10 [ 39.009577] ? find_held_lock+0x2b/0x80 [ 39.010342] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 39.011317] ? static_key_count+0x60/0x80 [ 39.012111] prctl_set_seccomp+0x4e/0x70 [ 39.012834] __do_sys_prctl+0xe6c/0x1d70 [ 39.013635] ? __pfx___do_sys_prctl+0x10/0x10 [ 39.014500] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.015464] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 39.016434] ? irqentry_exit+0xf3/0x650 [ 39.017195] do_syscall_64+0xbf/0x430 [ 39.017948] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 39.018838] RIP: 0033:0x7f17156f55cd [ 39.019542] 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 [ 39.022689] RSP: 002b:00007ffd69624c70 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 39.024049] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f17156f55cd [ 39.025309] RDX: 000055bd207f3e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 39.026610] RBP: 00007ffd69624cd0 R08: 0000000000000000 R09: 00007ffd69624370 [ 39.027892] R10: 0000000000000000 R11: 0000000000000246 R12: 000055bd3ad2cad0 [ 39.029172] R13: 00007ffd69625100 R14: 000055bd3ad2dbc0 R15: 000055bd3ad3e780 [ 39.030474] [ 39.030834] irq event stamp: 1761 [ 39.031383] hardirqs last enabled at (1771): [] __up_console_sem+0x78/0x80 [ 39.032656] hardirqs last disabled at (1780): [] __up_console_sem+0x5d/0x80 [ 39.033956] softirqs last enabled at (1740): [] handle_softirqs+0x50c/0x770 [ 39.035278] softirqs last disabled at (1735): [] __irq_exit_rcu+0xc4/0x100 [ 39.036567] ---[ end trace 0000000000000000 ]--- [ 41.911196] ------------[ cut here ]------------ [ 41.912012] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 41.913884] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/242 [ 41.915168] Modules linked in: [ 41.915696] CPU: 1 UID: 104 PID: 242 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 41.917490] Tainted: [W]=WARN [ 41.918023] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 41.919344] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 41.920148] 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 [ 41.922972] RSP: 0018:ffff888015957bc0 EFLAGS: 00010286 [ 41.923798] RAX: 0000000000000000 RBX: ffffed1002b2af78 RCX: ffffffff813a4050 [ 41.924944] RDX: ffff88801022b780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 41.926110] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002b2af2f [ 41.927258] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 41.928397] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888015957df8 [ 41.929562] FS: 00007f4c84249900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 41.930873] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 41.931782] CR2: 00007ffea895fef7 CR3: 000000000e74b000 CR4: 0000000000350ef0 [ 41.932943] Call Trace: [ 41.933356] [ 41.933741] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 41.934538] ? __create_object+0x59/0x80 [ 41.935234] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 41.936095] __vmalloc_noprof+0x59/0x60 [ 41.936733] bpf_prog_alloc_no_stats+0x55/0x470 [ 41.937515] ? __pfx_seccomp_check_filter+0x10/0x10 [ 41.938395] bpf_prog_alloc+0x39/0x200 [ 41.939054] ? __pfx_seccomp_check_filter+0x10/0x10 [ 41.939839] bpf_prog_create_from_user+0xb2/0x2f0 [ 41.940645] do_seccomp+0x349/0x25e0 [ 41.941298] ? find_held_lock+0x2b/0x80 [ 41.941990] ? do_prlimit+0x310/0x610 [ 41.942610] ? __pfx_do_seccomp+0x10/0x10 [ 41.943319] ? do_raw_spin_unlock+0x53/0x220 [ 41.944067] ? _raw_spin_unlock+0x1e/0x40 [ 41.944725] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 41.945602] ? static_key_count+0x60/0x80 [ 41.946343] prctl_set_seccomp+0x4e/0x70 [ 41.947039] __do_sys_prctl+0xe6c/0x1d70 [ 41.947705] ? __pfx___do_sys_prctl+0x10/0x10 [ 41.948463] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 41.949383] ? irqentry_exit+0xf3/0x650 [ 41.950088] do_syscall_64+0xbf/0x430 [ 41.950716] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 41.951566] RIP: 0033:0x7f4c8473b5cd [ 41.952189] 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 [ 41.955010] RSP: 002b:00007ffea895d420 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 41.956228] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f4c8473b5cd [ 41.957367] RDX: 000055c74a2dbe00 RSI: 0000000000000002 RDI: 0000000000000016 [ 41.958524] RBP: 00007ffea895d480 R08: 0000000000000000 R09: 00007ffea895cb20 [ 41.959664] R10: 0000000000000000 R11: 0000000000000246 R12: 000055c786027b10 [ 41.960806] R13: 00007ffea895d8b0 R14: 000055c7860282b0 R15: 000055c78603c6f0 [ 41.961982] [ 41.962355] irq event stamp: 1743 [ 41.962938] hardirqs last enabled at (1753): [] __up_console_sem+0x78/0x80 [ 41.964293] hardirqs last disabled at (1762): [] __up_console_sem+0x5d/0x80 [ 41.965653] softirqs last enabled at (1618): [] handle_softirqs+0x50c/0x770 [ 41.967029] softirqs last disabled at (1601): [] __irq_exit_rcu+0xc4/0x100 [ 41.968378] ---[ end trace 0000000000000000 ]--- [ 42.627092] ------------[ cut here ]------------ [ 42.627983] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.629958] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/249 [ 42.631396] Modules linked in: [ 42.631988] CPU: 1 UID: 104 PID: 249 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 42.633839] Tainted: [W]=WARN [ 42.634387] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.635747] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.636586] 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 [ 42.639532] RSP: 0018:ffff88801a547bc0 EFLAGS: 00010286 [ 42.640445] RAX: 0000000000000000 RBX: ffffed10034a8f78 RCX: ffffffff813a4050 [ 42.641667] RDX: ffff888017781bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.642869] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed10034a8f2f [ 42.644045] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.645212] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801a547df8 [ 42.646396] FS: 00007f5f53460900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 42.647728] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.648696] CR2: 00007ffd6e01eef7 CR3: 000000000d68b000 CR4: 0000000000350ef0 [ 42.649893] Call Trace: [ 42.650320] [ 42.650696] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.651537] ? __create_object+0x59/0x80 [ 42.652262] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.653162] __vmalloc_noprof+0x59/0x60 [ 42.653839] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.654644] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.655500] bpf_prog_alloc+0x39/0x200 [ 42.656178] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.657024] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.657821] do_seccomp+0x349/0x25e0 [ 42.658480] ? find_held_lock+0x2b/0x80 [ 42.659178] ? do_prlimit+0x310/0x610 [ 42.659814] ? __pfx_do_seccomp+0x10/0x10 [ 42.660541] ? do_raw_spin_unlock+0x53/0x220 [ 42.661297] ? _raw_spin_unlock+0x1e/0x40 [ 42.662024] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.662916] ? static_key_count+0x60/0x80 [ 42.663607] prctl_set_seccomp+0x4e/0x70 [ 42.664311] __do_sys_prctl+0xe6c/0x1d70 [ 42.665021] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.665775] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.666651] ? irqentry_exit+0xf3/0x650 [ 42.667352] do_syscall_64+0xbf/0x430 [ 42.668029] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.668889] RIP: 0033:0x7f5f539525cd [ 42.669501] 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 [ 42.672375] RSP: 002b:00007ffd6e01ca40 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.673636] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f5f539525cd [ 42.674801] RDX: 0000562b3ab8ee00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.675967] RBP: 00007ffd6e01caa0 R08: 0000000000000000 R09: 00007ffd6e01c140 [ 42.677139] R10: 0000000000000000 R11: 0000000000000246 R12: 0000562b56cee2b0 [ 42.678317] R13: 00007ffd6e01ced0 R14: 0000562b56cf0d20 R15: 0000562b56d028d0 [ 42.679486] [ 42.679907] irq event stamp: 1793 [ 42.680450] hardirqs last enabled at (1801): [] __up_console_sem+0x78/0x80 [ 42.681833] hardirqs last disabled at (1810): [] __up_console_sem+0x5d/0x80 [ 42.683218] softirqs last enabled at (1820): [] handle_softirqs+0x50c/0x770 [ 42.684613] softirqs last disabled at (1815): [] __irq_exit_rcu+0xc4/0x100 [ 42.685992] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:62000' (ECDSA) to the list of known hosts. 2025/11/17 20:14:46 fuzzer started 2025/11/17 20:14:47 dialing manager at localhost:37895 2025/11/17 20:14:47 checking machine... 2025/11/17 20:14:47 checking revisions... [ 43.580478] kmemleak: Automatic memory scanning thread ended 2025/11/17 20:14:47 testing simple program... [ 43.682978] cgroup: Unknown subsys name 'net' [ 43.770249] cgroup: Unknown subsys name 'cpuset' [ 43.805912] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program VM DIAGNOSIS: 20:14:46 Registers: info registers vcpu 0 RAX=000000000003f027 RBX=0000000000000000 RCX=ffffffff84c72d57 RDX=0000000000000000 RSI=0000000000000000 RDI=ffffffff814d2c90 RBP=dffffc0000000000 RSP=ffffffff85c07e00 R8 =0000000000000001 R9 =ffffed100d9c639a R10=ffff88806ce31cd3 R11=0000000000000001 R12=ffffffff8664f650 R13=1ffffffff0b80fc7 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 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe2300000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f223c5e4000 CR3=000000001650a000 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=aee7bb09a0d71e8077442ab93b2a0bfa XMM02=ec2efd57dc4c00df00000000003049d8 XMM03=d097548b0092443f0000000000304aa8 XMM04=d3f0be432fe198d900000000000ae988 XMM05=ec45346e915c4fd3000000000031f080 XMM06=474038aa6c007e1f000000000031e120 XMM07=e042d86d42eb936e000000000030dba8 XMM08=d097548b0092443f0000000000304aa8 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=0000000000008354 RBX=ffff888017450000 RCX=0000000000000000 RDX=0000000000000003 RSI=0000000000000000 RDI=0000000000000002 RBP=ffff888017450a58 RSP=ffff8880170e7b90 R8 =0000000000000000 R9 =000000000000002c R10=0000000000000001 R11=0000000000000000 R12=ffff888017450aa8 R13=0000000000000000 R14=0000000000000001 R15=0000000000000005 RIP=ffffffff81527227 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 =0000 0000000000000000 00000000 00000000 DS =0000 0000000000000000 00000000 00000000 FS =0000 00007f4c84249900 00000000 00000000 GS =0000 ffff8880e548f000 00000000 00000000 LDT=0000 fffffe3b00000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f4c84df3968 CR3=000000000e2be000 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=6720646572637465733a4d41503d706f XMM01=652022746f6f72223d74636361207469 XMM02=3d6c616e696d72657420322e322e302e XMM03=3d656d616e74736f682022646873732f XMM04=40404040404040404040404040404040 XMM05=5a5a5a5a5a5a5a5a5a5a5a5a5a5a5a5a XMM06=20202020202020202020202020202020 XMM07=00000000000000000000000000000000 XMM08=652075253d64692073253d706f000000 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000