syzkaller login: [ 39.007357] ------------[ cut here ]------------ [ 39.008303] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 39.010296] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/232 [ 39.011745] Modules linked in: [ 39.012369] CPU: 1 UID: 104 PID: 232 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 39.014351] Tainted: [W]=WARN [ 39.014929] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 39.016435] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 39.017360] 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 [ 39.020571] RSP: 0018:ffff8880179dfbc0 EFLAGS: 00010286 [ 39.021550] RAX: 0000000000000000 RBX: ffffed1002f3bf78 RCX: ffffffff813a4050 [ 39.022837] RDX: ffff8880163a0000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 39.024134] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002f3bf2f [ 39.025426] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000400dc0 [ 39.026725] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff8880179dfdf8 [ 39.028042] FS: 00007febf7a89900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 39.029507] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 39.030569] CR2: 00007fffb7021ef8 CR3: 000000000cac6000 CR4: 0000000000350ef0 [ 39.031895] Call Trace: [ 39.032408] [ 39.032829] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 39.033739] ? __create_object+0x59/0x80 [ 39.034536] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.035529] __vmalloc_noprof+0x59/0x60 [ 39.036281] bpf_prog_alloc_no_stats+0x55/0x470 [ 39.037148] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.038105] bpf_prog_alloc+0x39/0x200 [ 39.038806] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.039762] bpf_prog_create_from_user+0xb2/0x2f0 [ 39.040678] do_seccomp+0x349/0x25e0 [ 39.041406] ? find_held_lock+0x2b/0x80 [ 39.042174] ? do_prlimit+0x310/0x610 [ 39.042873] ? __pfx_do_seccomp+0x10/0x10 [ 39.043679] ? do_raw_spin_unlock+0x53/0x220 [ 39.044517] ? _raw_spin_unlock+0x1e/0x40 [ 39.045303] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 39.046265] ? static_key_count+0x60/0x80 [ 39.047061] prctl_set_seccomp+0x4e/0x70 [ 39.047811] __do_sys_prctl+0xe6c/0x1d70 [ 39.048593] ? __pfx___do_sys_prctl+0x10/0x10 [ 39.049470] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 39.050456] ? irqentry_exit+0xf3/0x650 [ 39.051239] do_syscall_64+0xbf/0x430 [ 39.051944] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 39.052908] RIP: 0033:0x7febf7f7b5cd [ 39.053620] 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 [ 39.056873] RSP: 002b:00007fffb701fb50 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 39.058253] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007febf7f7b5cd [ 39.059573] RDX: 000055a5902a3e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 39.060866] RBP: 00007fffb701fbb0 R08: 0000000000000000 R09: 00007fffb701f250 [ 39.062152] R10: 0000000000000000 R11: 0000000000000246 R12: 000055a5b2c47ad0 [ 39.063466] R13: 00007fffb701ffe0 R14: 000055a5b2c48bc0 R15: 000055a5b2c59780 [ 39.064645] [ 39.065027] irq event stamp: 1751 [ 39.065533] hardirqs last enabled at (1759): [] __up_console_sem+0x78/0x80 [ 39.066788] hardirqs last disabled at (1768): [] __up_console_sem+0x5d/0x80 [ 39.068075] softirqs last enabled at (1792): [] handle_softirqs+0x50c/0x770 [ 39.069367] softirqs last disabled at (1777): [] __irq_exit_rcu+0xc4/0x100 [ 39.070632] ---[ end trace 0000000000000000 ]--- [ 42.012992] ------------[ cut here ]------------ [ 42.013926] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.015950] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/242 [ 42.017445] Modules linked in: [ 42.018092] CPU: 0 UID: 104 PID: 242 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 42.020154] Tainted: [W]=WARN [ 42.020711] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.022189] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.023125] 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 [ 42.026354] RSP: 0018:ffff88801bb57bc0 EFLAGS: 00010286 [ 42.027353] RAX: 0000000000000000 RBX: ffffed100376af78 RCX: ffffffff813a4050 [ 42.028662] RDX: ffff888016979bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.029967] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed100376af2f [ 42.031281] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.032584] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801bb57df8 [ 42.033893] FS: 00007f5b06ea6900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 42.035359] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.036437] CR2: 00007f5b07398580 CR3: 000000000e51f000 CR4: 0000000000350ef0 [ 42.037758] Call Trace: [ 42.038274] [ 42.038692] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.039604] ? __create_object+0x59/0x80 [ 42.040403] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.041381] __vmalloc_noprof+0x59/0x60 [ 42.042158] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.043049] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.043946] bpf_prog_alloc+0x39/0x200 [ 42.044692] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.045625] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.046547] do_seccomp+0x349/0x25e0 [ 42.047294] ? __pfx_css_rstat_updated+0x10/0x10 [ 42.048212] ? __pfx_do_seccomp+0x10/0x10 [ 42.048964] ? find_held_lock+0x2b/0x80 [ 42.049735] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.050707] ? static_key_count+0x60/0x80 [ 42.051515] prctl_set_seccomp+0x4e/0x70 [ 42.052302] __do_sys_prctl+0xe6c/0x1d70 [ 42.053110] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.053925] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.054915] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.055912] ? irqentry_exit+0xf3/0x650 [ 42.056695] do_syscall_64+0xbf/0x430 [ 42.057454] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.058426] RIP: 0033:0x7f5b073985cd [ 42.059148] 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 [ 42.062421] RSP: 002b:00007ffe70b13430 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.063813] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f5b073985cd [ 42.065097] RDX: 000055de68e0ae00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.066397] RBP: 00007ffe70b13490 R08: 0000000000000000 R09: 00007ffe70b12b30 [ 42.067712] R10: 0000000000000000 R11: 0000000000000246 R12: 000055dea36e5240 [ 42.069014] R13: 00007ffe70b138c0 R14: 000055dea36ee380 R15: 000055dea36f9540 [ 42.070330] [ 42.070757] irq event stamp: 1725 [ 42.071427] hardirqs last enabled at (1735): [] __up_console_sem+0x78/0x80 [ 42.072485] hardirqs last disabled at (1744): [] __up_console_sem+0x5d/0x80 [ 42.073463] softirqs last enabled at (1648): [] handle_softirqs+0x50c/0x770 [ 42.074455] softirqs last disabled at (1643): [] __irq_exit_rcu+0xc4/0x100 [ 42.075446] ---[ end trace 0000000000000000 ]--- [ 42.786473] ------------[ cut here ]------------ [ 42.787451] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.789423] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/249 [ 42.790831] Modules linked in: [ 42.791460] CPU: 1 UID: 104 PID: 249 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 42.793471] Tainted: [W]=WARN [ 42.794062] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.795794] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.796781] 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 [ 42.799980] RSP: 0018:ffff88801cd0fbc0 EFLAGS: 00010286 [ 42.800951] RAX: 0000000000000000 RBX: ffffed10039a1f78 RCX: ffffffff813a4050 [ 42.802222] RDX: ffff888018b11bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.803501] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed10039a1f2f [ 42.804792] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.806070] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801cd0fdf8 [ 42.807365] FS: 00007f0415d51900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 42.808788] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.809839] CR2: 00007f0416243580 CR3: 000000001cf08000 CR4: 0000000000350ef0 [ 42.811128] Call Trace: [ 42.811593] [ 42.812035] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.812881] ? __create_object+0x59/0x80 [ 42.813664] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.814642] __vmalloc_noprof+0x59/0x60 [ 42.815412] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.816288] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.817213] bpf_prog_alloc+0x39/0x200 [ 42.817903] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.818826] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.819721] do_seccomp+0x349/0x25e0 [ 42.820419] ? __pfx_css_rstat_updated+0x10/0x10 [ 42.821300] ? __pfx_do_seccomp+0x10/0x10 [ 42.822080] ? find_held_lock+0x2b/0x80 [ 42.822782] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.823755] ? static_key_count+0x60/0x80 [ 42.824553] prctl_set_seccomp+0x4e/0x70 [ 42.825324] __do_sys_prctl+0xe6c/0x1d70 [ 42.826102] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.826897] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.827865] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.828820] ? irqentry_exit+0xf3/0x650 [ 42.829587] do_syscall_64+0xbf/0x430 [ 42.830311] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.831283] RIP: 0033:0x7f04162435cd [ 42.831950] 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 [ 42.835090] RSP: 002b:00007ffc39acf050 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.836463] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f04162435cd [ 42.837755] RDX: 0000562ecac61e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.839035] RBP: 00007ffc39acf0b0 R08: 0000000000000000 R09: 00007ffc39ace750 [ 42.840334] R10: 0000000000000000 R11: 0000000000000246 R12: 0000562eceff4ad0 [ 42.841614] R13: 00007ffc39acf4e0 R14: 0000562eceff5bc0 R15: 0000562ecf006780 [ 42.842914] [ 42.843392] irq event stamp: 1807 [ 42.844044] hardirqs last enabled at (1817): [] __up_console_sem+0x78/0x80 [ 42.845559] hardirqs last disabled at (1826): [] __up_console_sem+0x5d/0x80 [ 42.847078] softirqs last enabled at (1754): [] handle_softirqs+0x50c/0x770 [ 42.848538] softirqs last disabled at (1749): [] __irq_exit_rcu+0xc4/0x100 [ 42.849795] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:42740' (ECDSA) to the list of known hosts. 2025/11/18 17:28:16 fuzzer started 2025/11/18 17:28:16 dialing manager at localhost:34383 2025/11/18 17:28:16 checking machine... 2025/11/18 17:28:16 checking revisions... [ 43.784794] kmemleak: Automatic memory scanning thread ended 2025/11/18 17:28:16 testing simple program... [ 43.882603] cgroup: Unknown subsys name 'net' [ 43.941952] cgroup: Unknown subsys name 'cpuset' [ 43.958505] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program VM DIAGNOSIS: 17:28:15 Registers: info registers vcpu 0 RAX=0000000000000000 RBX=0000000000000000 RCX=0000000000000001 RDX=0000000000000000 RSI=ffff88806ce28518 RDI=ffff88800eee41d8 RBP=ffff88806ce28518 RSP=ffff88806ce08dd8 R8 =00000000ffffffff R9 =0000000000000000 R10=0000000000000001 R11=0000000000000001 R12=0000000000000001 R13=ffff88800eee41d8 R14=00000000ffffffff R15=ffff88800eee41d8 RIP=ffffffff84c7200b 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 00007f5b06ea6900 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=00007ffe70b0d000 CR3=000000000f6a1000 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=0000006f730074696d7265705f6d6170 XMM04=40404040404040404040404040404040 XMM05=5a5a5a5a5a5a5a5a5a5a5a5a5a5a5a5a XMM06=20202020202020202020202020202020 XMM07=00000000000000000000000000000000 XMM08=61662029286e65706f5f746964756100 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=0000000000020c2b RBX=0000000000000001 RCX=ffffffff84c72d57 RDX=0000000000000000 RSI=0000000000000000 RDI=ffffffff814d2c90 RBP=dffffc0000000000 RSP=ffff8880096efe58 R8 =0000000000000001 R9 =ffffed100d9e639a R10=ffff88806cf31cd3 R11=0000000000000001 R12=ffffffff8664f850 R13=1ffff110012ddfd2 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 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=000055dea371d000 CR3=000000000d949000 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=691353d7d6051d9aa74d304f74b1f2fd XMM02=ec2efd57dc4c00df00000000003023c8 XMM03=23295fd9350fb6d90000000000302498 XMM04=4e12a4237e20805200000000000ae988 XMM05=afa5745e710c483d0000000000320fa0 XMM06=5b75c91c804453420000000000320998 XMM07=e042d86d42eb936e00000000003103d8 XMM08=23295fd9350fb6d90000000000302498 XMM09=00000000000000000000000000000000 XMM10=20200000000020202020202020200000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000