syzkaller login: [ 46.027399] ------------[ cut here ]------------ [ 46.028186] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 46.029903] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/234 [ 46.031132] Modules linked in: [ 46.031860] CPU: 0 UID: 104 PID: 234 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 46.033599] Tainted: [W]=WARN [ 46.034065] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 46.035298] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 46.036106] 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 [ 46.038785] RSP: 0018:ffff88801726fbc0 EFLAGS: 00010286 [ 46.039619] RAX: 0000000000000000 RBX: ffffed1002e4df78 RCX: ffffffff813a4050 [ 46.040709] RDX: ffff888018d81bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 46.041791] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002e4df2f [ 46.042876] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 46.043973] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801726fdf8 [ 46.045065] FS: 00007fbe94cca900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 46.046282] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 46.047180] CR2: 00007ffd46e7eef7 CR3: 000000000cfdf000 CR4: 0000000000350ef0 [ 46.048282] Call Trace: [ 46.048712] [ 46.049060] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 46.049818] ? __create_object+0x59/0x80 [ 46.050443] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 46.051260] __vmalloc_noprof+0x59/0x60 [ 46.051915] bpf_prog_alloc_no_stats+0x55/0x470 [ 46.052646] ? __pfx_seccomp_check_filter+0x10/0x10 [ 46.053392] bpf_prog_alloc+0x39/0x200 [ 46.054012] ? __pfx_seccomp_check_filter+0x10/0x10 [ 46.054800] bpf_prog_create_from_user+0xb2/0x2f0 [ 46.055560] do_seccomp+0x349/0x25e0 [ 46.056136] ? find_held_lock+0x2b/0x80 [ 46.056764] ? do_prlimit+0x310/0x610 [ 46.057359] ? __pfx_do_seccomp+0x10/0x10 [ 46.058016] ? do_raw_spin_unlock+0x53/0x220 [ 46.058734] ? _raw_spin_unlock+0x1e/0x40 [ 46.059358] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 46.060178] ? static_key_count+0x60/0x80 [ 46.060860] prctl_set_seccomp+0x4e/0x70 [ 46.061470] __do_sys_prctl+0xe6c/0x1d70 [ 46.062129] ? __pfx___do_sys_prctl+0x10/0x10 [ 46.062862] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 46.063684] ? irqentry_exit+0xf3/0x650 [ 46.064295] do_syscall_64+0xbf/0x430 [ 46.064921] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 46.065730] RIP: 0033:0x7fbe951bc5cd [ 46.066291] 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 [ 46.068971] RSP: 002b:00007ffd46e7d870 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 46.070121] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fbe951bc5cd [ 46.071208] RDX: 0000560bca5b3e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 46.072298] RBP: 00007ffd46e7d8d0 R08: 0000000000000000 R09: 00007ffd46e7cf70 [ 46.073378] R10: 0000000000000000 R11: 0000000000000246 R12: 0000560bfe6a0ad0 [ 46.074483] R13: 00007ffd46e7dd00 R14: 0000560bfe6a1bc0 R15: 0000560bfe6b2780 [ 46.075570] [ 46.075938] irq event stamp: 1833 [ 46.076441] hardirqs last enabled at (1841): [] __up_console_sem+0x78/0x80 [ 46.077737] hardirqs last disabled at (1850): [] __up_console_sem+0x5d/0x80 [ 46.079028] softirqs last enabled at (1360): [] handle_softirqs+0x50c/0x770 [ 46.080336] softirqs last disabled at (1339): [] __irq_exit_rcu+0xc4/0x100 [ 46.081607] ---[ end trace 0000000000000000 ]--- [ 48.820104] ------------[ cut here ]------------ [ 48.821032] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 48.823092] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/241 [ 48.824767] Modules linked in: [ 48.825383] CPU: 0 UID: 104 PID: 241 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 48.827422] Tainted: [W]=WARN [ 48.828036] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 48.829485] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 48.830385] 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 [ 48.833548] RSP: 0018:ffff88801895fbc0 EFLAGS: 00010286 [ 48.834469] RAX: 0000000000000000 RBX: ffffed100312bf78 RCX: ffffffff813a4050 [ 48.835749] RDX: ffff8880168eb780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 48.837021] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed100312bf2f [ 48.838290] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 48.839569] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801895fdf8 [ 48.840856] FS: 00007f81f2e7d900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 48.842279] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 48.843321] CR2: 00007ffea9e67ef7 CR3: 000000000cb8b000 CR4: 0000000000350ef0 [ 48.844634] Call Trace: [ 48.845104] [ 48.845515] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 48.846432] ? __create_object+0x59/0x80 [ 48.847229] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 48.848215] __vmalloc_noprof+0x59/0x60 [ 48.848984] bpf_prog_alloc_no_stats+0x55/0x470 [ 48.849878] ? __pfx_seccomp_check_filter+0x10/0x10 [ 48.850827] bpf_prog_alloc+0x39/0x200 [ 48.851572] ? __pfx_seccomp_check_filter+0x10/0x10 [ 48.852474] bpf_prog_create_from_user+0xb2/0x2f0 [ 48.853392] do_seccomp+0x349/0x25e0 [ 48.854117] ? find_held_lock+0x2b/0x80 [ 48.854898] ? do_prlimit+0x310/0x610 [ 48.855652] ? __pfx_do_seccomp+0x10/0x10 [ 48.856411] ? do_raw_spin_unlock+0x53/0x220 [ 48.857261] ? _raw_spin_unlock+0x1e/0x40 [ 48.858053] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 48.859035] ? static_key_count+0x60/0x80 [ 48.859859] prctl_set_seccomp+0x4e/0x70 [ 48.860654] __do_sys_prctl+0xe6c/0x1d70 [ 48.861399] ? __pfx___do_sys_prctl+0x10/0x10 [ 48.862271] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 48.863255] ? irqentry_exit+0xf3/0x650 [ 48.864040] do_syscall_64+0xbf/0x430 [ 48.864793] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 48.865760] RIP: 0033:0x7f81f336f5cd [ 48.866430] 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 [ 48.869648] RSP: 002b:00007ffea9e65cb0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 48.871035] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f81f336f5cd [ 48.872364] RDX: 000055e37d36ae00 RSI: 0000000000000002 RDI: 0000000000000016 [ 48.873668] RBP: 00007ffea9e65d10 R08: 0000000000000000 R09: 00007ffea9e653b0 [ 48.874969] R10: 0000000000000000 R11: 0000000000000246 R12: 000055e382da2ad0 [ 48.876278] R13: 00007ffea9e66140 R14: 000055e382da3bc0 R15: 000055e382db4780 [ 48.877598] [ 48.878026] irq event stamp: 1769 [ 48.878687] hardirqs last enabled at (1779): [] __up_console_sem+0x78/0x80 [ 48.880245] hardirqs last disabled at (1788): [] __up_console_sem+0x5d/0x80 [ 48.881782] softirqs last enabled at (1718): [] handle_softirqs+0x50c/0x770 [ 48.883335] softirqs last disabled at (1713): [] __irq_exit_rcu+0xc4/0x100 [ 48.884874] ---[ end trace 0000000000000000 ]--- [ 49.623783] ------------[ cut here ]------------ [ 49.624347] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 49.625672] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/248 [ 49.626596] Modules linked in: [ 49.626974] CPU: 0 UID: 104 PID: 248 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 49.628245] Tainted: [W]=WARN [ 49.628622] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 49.629568] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 49.630130] 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 [ 49.632153] RSP: 0018:ffff88801751fbc0 EFLAGS: 00010286 [ 49.632774] RAX: 0000000000000000 RBX: ffffed1002ea3f78 RCX: ffffffff813a4050 [ 49.633604] RDX: ffff888016188000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 49.634410] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002ea3f2f [ 49.635241] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000400dc0 [ 49.636080] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801751fdf8 [ 49.636913] FS: 00007ffba8b89900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 49.637841] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 49.638493] CR2: 00007fff720aeef7 CR3: 000000000bbb4000 CR4: 0000000000350ef0 [ 49.639314] Call Trace: [ 49.639635] [ 49.639911] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 49.640454] ? __create_object+0x59/0x80 [ 49.640958] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 49.641579] __vmalloc_noprof+0x59/0x60 [ 49.642035] bpf_prog_alloc_no_stats+0x55/0x470 [ 49.642592] ? __pfx_seccomp_check_filter+0x10/0x10 [ 49.643159] bpf_prog_alloc+0x39/0x200 [ 49.643631] ? __pfx_seccomp_check_filter+0x10/0x10 [ 49.644203] bpf_prog_create_from_user+0xb2/0x2f0 [ 49.644772] do_seccomp+0x349/0x25e0 [ 49.645200] ? find_held_lock+0x2b/0x80 [ 49.645688] ? do_prlimit+0x310/0x610 [ 49.646143] ? __pfx_do_seccomp+0x10/0x10 [ 49.646645] ? do_raw_spin_unlock+0x53/0x220 [ 49.647148] ? _raw_spin_unlock+0x1e/0x40 [ 49.647646] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 49.648239] ? static_key_count+0x60/0x80 [ 49.648753] prctl_set_seccomp+0x4e/0x70 [ 49.649221] __do_sys_prctl+0xe6c/0x1d70 [ 49.649722] ? __pfx___do_sys_prctl+0x10/0x10 [ 49.650242] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 49.650861] ? irqentry_exit+0xf3/0x650 [ 49.651328] do_syscall_64+0xbf/0x430 [ 49.651807] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 49.652387] RIP: 0033:0x7ffba907b5cd [ 49.652840] 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 [ 49.654877] RSP: 002b:00007fff720ad650 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 49.655790] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ffba907b5cd [ 49.656612] RDX: 00005583e74e2e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 49.657402] RBP: 00007fff720ad6b0 R08: 0000000000000000 R09: 00007fff720acd50 [ 49.658223] R10: 0000000000000000 R11: 0000000000000246 R12: 00005584190d4ad0 [ 49.659053] R13: 00007fff720adae0 R14: 00005584190d5bc0 R15: 00005584190e6780 [ 49.659901] [ 49.660177] irq event stamp: 1715 [ 49.660596] hardirqs last enabled at (1725): [] __up_console_sem+0x78/0x80 [ 49.661572] hardirqs last disabled at (1734): [] __up_console_sem+0x5d/0x80 [ 49.662518] softirqs last enabled at (1320): [] handle_softirqs+0x50c/0x770 [ 49.663540] softirqs last disabled at (1305): [] __irq_exit_rcu+0xc4/0x100 [ 49.664485] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:39942' (ECDSA) to the list of known hosts. 2025/11/17 10:58:30 fuzzer started 2025/11/17 10:58:30 dialing manager at localhost:37895 2025/11/17 10:58:30 checking machine... 2025/11/17 10:58:30 checking revisions... [ 50.560871] kmemleak: Automatic memory scanning thread ended 2025/11/17 10:58:30 testing simple program... [ 50.641676] cgroup: Unknown subsys name 'net' [ 50.705166] cgroup: Unknown subsys name 'cpuset' [ 50.721071] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program VM DIAGNOSIS: 10:58:29 Registers: info registers vcpu 0 RAX=ffffffff87cecb40 RBX=ffff888017a35340 RCX=0000000000000200 RDX=0000000000000008 RSI=ffff888017a35e10 RDI=ffff888017a35de8 RBP=ffff888017a35d98 RSP=ffff88806ce088c8 R8 =0000000000000003 R9 =0000000000000000 R10=0000000000000001 R11=0000000000000000 R12=ffff888017a35e10 R13=b503ba001073dead R14=0000000000000000 R15=0000000000000003 RIP=ffffffff81527568 RFL=00000086 [--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 00007f81f2e7d900 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe5000000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f81f2e4c008 CR3=000000000ba10000 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=38353a303120373120766f4e3e38333c XMM01=6d6f72662064657463656e6e6f637369 XMM02=2e303120746f6f722072657375206d6f XMM03=3a5d3034325b646873732039323a3835 XMM04=6456774875434142334f726f59427469 XMM05=485320415352203a3268737320363834 XMM06=206d6f726620746f6f7220726f662079 XMM07=00000000000000000000000000000000 XMM08=3a677562656420676f6c737973720000 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=dffffc0000000000 RBX=ffff888009757840 RCX=0000000000000001 RDX=1ffff110012eaf09 RSI=ffff888009757810 RDI=ffff888009757848 RBP=ffff8880097578d8 RSP=ffff888009757780 R8 =0000000000000001 R9 =ffff888009757880 R10=000000000003c9ed R11=0000000000006e2e R12=ffff8880097578a0 R13=ffff888009757888 R14=ffff888009757810 R15=ffff888009757840 RIP=ffffffff8135fb9c 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 0000000000000000 00000000 00000000 GS =0000 ffff8880e548f000 00000000 00000000 LDT=0000 fffffe7400000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007fbe5f8c1000 CR3=000000000e3da000 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=3956b7d790392bbea94bf1e225b92ed5 XMM02=0000000000304160ec2efd57dc4c00df XMM03=0000000000311190119c964c1c9f8b34 XMM04=bc65656cef6a01d800000000000ae988 XMM05=d96330e2d2db86320000000000320548 XMM06=474038aa6c007e1f00000000003203d0 XMM07=e042d86d42eb936e0000000000311b78 XMM08=119c964c1c9f8b3400000000003041c0 XMM09=00000000000000000000000000000000 XMM10=20200000000020202020202020200000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000