syzkaller login: [ 45.222380] ------------[ cut here ]------------ [ 45.223350] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 45.226102] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/237 [ 45.227584] Modules linked in: [ 45.228184] CPU: 1 UID: 104 PID: 237 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 45.230178] Tainted: [W]=WARN [ 45.230777] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 45.233740] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 45.234760] 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 [ 45.237945] RSP: 0018:ffff888015947bc0 EFLAGS: 00010286 [ 45.238928] RAX: 0000000000000000 RBX: ffffed1002b28f78 RCX: ffffffff813a4050 [ 45.240211] RDX: ffff888015d9d340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 45.241490] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002b28f2f [ 45.242768] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 45.244058] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888015947df8 [ 45.245358] FS: 00007fdc459ea900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 45.246795] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 45.247871] CR2: 00007ffc6e9e6ef7 CR3: 000000000bd40000 CR4: 0000000000350ef0 [ 45.249154] Call Trace: [ 45.249659] [ 45.250067] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 45.250975] ? __create_object+0x59/0x80 [ 45.251805] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 45.252798] __vmalloc_noprof+0x59/0x60 [ 45.253569] bpf_prog_alloc_no_stats+0x55/0x470 [ 45.254407] ? __pfx_seccomp_check_filter+0x10/0x10 [ 45.255355] bpf_prog_alloc+0x39/0x200 [ 45.256096] ? __pfx_seccomp_check_filter+0x10/0x10 [ 45.257027] bpf_prog_create_from_user+0xb2/0x2f0 [ 45.257942] do_seccomp+0x349/0x25e0 [ 45.258659] ? find_held_lock+0x2b/0x80 [ 45.259379] ? do_prlimit+0x310/0x610 [ 45.260126] ? __pfx_do_seccomp+0x10/0x10 [ 45.260925] ? do_raw_spin_unlock+0x53/0x220 [ 45.261762] ? _raw_spin_unlock+0x1e/0x40 [ 45.262543] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 45.263531] ? static_key_count+0x60/0x80 [ 45.264285] prctl_set_seccomp+0x4e/0x70 [ 45.265064] __do_sys_prctl+0xe6c/0x1d70 [ 45.265841] ? __pfx___do_sys_prctl+0x10/0x10 [ 45.266717] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 45.267707] ? irqentry_exit+0xf3/0x650 [ 45.268424] do_syscall_64+0xbf/0x430 [ 45.269185] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 45.270132] RIP: 0033:0x7fdc45edc5cd [ 45.271098] 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 [ 45.274284] RSP: 002b:00007ffc6e9e5670 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 45.275667] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fdc45edc5cd [ 45.276966] RDX: 000055a7277bae00 RSI: 0000000000000002 RDI: 0000000000000016 [ 45.278237] RBP: 00007ffc6e9e56d0 R08: 0000000000000000 R09: 00007ffc6e9e4d70 [ 45.279532] R10: 0000000000000000 R11: 0000000000000246 R12: 000055a73abadad0 [ 45.280816] R13: 00007ffc6e9e5b00 R14: 000055a73abaebc0 R15: 000055a73abbf780 [ 45.282117] [ 45.282575] irq event stamp: 2077 [ 45.283189] hardirqs last enabled at (2085): [] __up_console_sem+0x78/0x80 [ 45.284693] hardirqs last disabled at (2094): [] __up_console_sem+0x5d/0x80 [ 45.286221] softirqs last enabled at (1622): [] handle_softirqs+0x50c/0x770 [ 45.287771] softirqs last disabled at (1597): [] __irq_exit_rcu+0xc4/0x100 [ 45.289076] ---[ end trace 0000000000000000 ]--- [ 48.162765] ------------[ cut here ]------------ [ 48.163546] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 48.165217] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/244 [ 48.166434] Modules linked in: [ 48.166968] CPU: 1 UID: 104 PID: 244 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 48.168607] Tainted: [W]=WARN [ 48.169061] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 48.170278] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 48.171044] 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 [ 48.173690] RSP: 0018:ffff888019fbfbc0 EFLAGS: 00010286 [ 48.174501] RAX: 0000000000000000 RBX: ffffed10033f7f78 RCX: ffffffff813a4050 [ 48.175573] RDX: ffff8880164c0000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 48.176631] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed10033f7f2f [ 48.177691] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000400dc0 [ 48.178748] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888019fbfdf8 [ 48.179820] FS: 00007f38cdd7f900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 48.181024] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 48.181901] CR2: 00007ffce4121ef7 CR3: 000000000e149000 CR4: 0000000000350ef0 [ 48.182964] Call Trace: [ 48.183356] [ 48.183741] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 48.184491] ? __create_object+0x59/0x80 [ 48.185109] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 48.185915] __vmalloc_noprof+0x59/0x60 [ 48.186548] bpf_prog_alloc_no_stats+0x55/0x470 [ 48.187239] ? __pfx_seccomp_check_filter+0x10/0x10 [ 48.188010] bpf_prog_alloc+0x39/0x200 [ 48.188620] ? __pfx_seccomp_check_filter+0x10/0x10 [ 48.189358] bpf_prog_create_from_user+0xb2/0x2f0 [ 48.190106] do_seccomp+0x349/0x25e0 [ 48.190716] ? find_held_lock+0x2b/0x80 [ 48.191319] ? do_prlimit+0x310/0x610 [ 48.191937] ? __pfx_do_seccomp+0x10/0x10 [ 48.192608] ? do_raw_spin_unlock+0x53/0x220 [ 48.193255] ? _raw_spin_unlock+0x1e/0x40 [ 48.193913] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 48.194786] ? static_key_count+0x60/0x80 [ 48.195440] prctl_set_seccomp+0x4e/0x70 [ 48.196100] __do_sys_prctl+0xe6c/0x1d70 [ 48.196755] ? __pfx___do_sys_prctl+0x10/0x10 [ 48.197546] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 48.198313] ? irqentry_exit+0xf3/0x650 [ 48.198954] do_syscall_64+0xbf/0x430 [ 48.199580] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 48.200338] RIP: 0033:0x7f38ce2715cd [ 48.200940] 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 [ 48.203630] RSP: 002b:00007ffce411f720 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 48.204759] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f38ce2715cd [ 48.205830] RDX: 0000557f05f32e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 48.206894] RBP: 00007ffce411f780 R08: 0000000000000000 R09: 00007ffce411ee20 [ 48.207988] R10: 0000000000000000 R11: 0000000000000246 R12: 0000557f0a2102b0 [ 48.209058] R13: 00007ffce411fbb0 R14: 0000557f0a212d20 R15: 0000557f0a2248d0 [ 48.210171] [ 48.210570] irq event stamp: 1777 [ 48.211084] hardirqs last enabled at (1785): [] __up_console_sem+0x78/0x80 [ 48.212359] hardirqs last disabled at (1794): [] __up_console_sem+0x5d/0x80 [ 48.213633] softirqs last enabled at (1764): [] handle_softirqs+0x50c/0x770 [ 48.214914] softirqs last disabled at (1759): [] __irq_exit_rcu+0xc4/0x100 [ 48.216240] ---[ end trace 0000000000000000 ]--- [ 48.991272] ------------[ cut here ]------------ [ 48.992191] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 48.994231] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/251 [ 48.995717] Modules linked in: [ 48.996318] CPU: 0 UID: 104 PID: 251 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 48.998292] Tainted: [W]=WARN [ 48.998886] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 49.000378] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 49.001301] 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 [ 49.004479] RSP: 0018:ffff8880177cfbc0 EFLAGS: 00010286 [ 49.005414] RAX: 0000000000000000 RBX: ffffed1002ef9f78 RCX: ffffffff813a4050 [ 49.006685] RDX: ffff8880177e8000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 49.007981] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002ef9f2f [ 49.009250] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 49.010585] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff8880177cfdf8 [ 49.011893] FS: 00007f0e1bc33900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 49.013336] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 49.014393] CR2: 00007f0e1c125580 CR3: 000000000f851000 CR4: 0000000000350ef0 [ 49.015684] Call Trace: [ 49.016143] [ 49.016603] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 49.017501] ? __create_object+0x59/0x80 [ 49.018251] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 49.019224] __vmalloc_noprof+0x59/0x60 [ 49.019991] bpf_prog_alloc_no_stats+0x55/0x470 [ 49.020863] ? __pfx_seccomp_check_filter+0x10/0x10 [ 49.021792] bpf_prog_alloc+0x39/0x200 [ 49.022528] ? __pfx_seccomp_check_filter+0x10/0x10 [ 49.023424] bpf_prog_create_from_user+0xb2/0x2f0 [ 49.024329] do_seccomp+0x349/0x25e0 [ 49.025052] ? __pfx_css_rstat_updated+0x10/0x10 [ 49.025940] ? __pfx_do_seccomp+0x10/0x10 [ 49.026725] ? find_held_lock+0x2b/0x80 [ 49.027512] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 49.028435] ? static_key_count+0x60/0x80 [ 49.029242] prctl_set_seccomp+0x4e/0x70 [ 49.030030] __do_sys_prctl+0xe6c/0x1d70 [ 49.030836] ? __pfx___do_sys_prctl+0x10/0x10 [ 49.031721] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 49.032686] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 49.033655] ? irqentry_exit+0xf3/0x650 [ 49.034370] do_syscall_64+0xbf/0x430 [ 49.035124] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 49.036088] RIP: 0033:0x7f0e1c1255cd [ 49.036790] 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 [ 49.039985] RSP: 002b:00007fffc60ccf10 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 49.041345] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f0e1c1255cd [ 49.042621] RDX: 000055f1cf74de00 RSI: 0000000000000002 RDI: 0000000000000016 [ 49.043922] RBP: 00007fffc60ccf70 R08: 0000000000000000 R09: 00007fffc60cc610 [ 49.045221] R10: 0000000000000000 R11: 0000000000000246 R12: 000055f1eaefbb10 [ 49.046522] R13: 00007fffc60cd3a0 R14: 000055f1eaefc2b0 R15: 000055f1eaf106f0 [ 49.047832] [ 49.048251] irq event stamp: 1745 [ 49.048886] hardirqs last enabled at (1755): [] __up_console_sem+0x78/0x80 [ 49.050405] hardirqs last disabled at (1764): [] __up_console_sem+0x5d/0x80 [ 49.051949] softirqs last enabled at (1724): [] handle_softirqs+0x50c/0x770 [ 49.053485] softirqs last disabled at (1719): [] __irq_exit_rcu+0xc4/0x100 [ 49.055000] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:47978' (ECDSA) to the list of known hosts. 2025/11/17 19:00:11 fuzzer started 2025/11/17 19:00:11 dialing manager at localhost:37895 2025/11/17 19:00:11 checking machine... 2025/11/17 19:00:11 checking revisions... [ 49.933350] kmemleak: Automatic memory scanning thread ended 2025/11/17 19:00:11 testing simple program... [ 50.021975] cgroup: Unknown subsys name 'net' [ 50.086808] cgroup: Unknown subsys name 'cpuset' [ 50.099267] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program VM DIAGNOSIS: 19:00:10 Registers: info registers vcpu 0 RAX=ffffffff81b6283d RBX=0000000000000001 RCX=ffff888016e4f644 RDX=ffff888016e4f738 RSI=ffffffff81b6283d RDI=ffff888016e4f6f0 RBP=ffff888016e4f748 RSP=ffff888016e4f680 R8 =0000000000000001 R9 =ffff888016e4f730 R10=000000000003c9ed R11=000000000002672d R12=0000000000000000 R13=ffff888016e4f738 R14=ffff88801b5bd340 R15=ffff888016e4f6f0 RIP=ffffffff8135e474 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 00007f38cdd7f900 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe6300000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f38cdd4e008 CR3=000000001ecc3000 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=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 info registers vcpu 1 RAX=ffffffff81b2d543 RBX=ffffffff86726198 RCX=ffffffff81b2d539 RDX=0000000000000000 RSI=ffffffff86ab8c84 RDI=ffffffff8672618c RBP=ffffffff8672618c RSP=ffff88806cf089b8 R8 =ffffffff86ab8c84 R9 =0000000000000000 R10=000000000003c9ed R11=0000000000025776 R12=ffffffff86726194 R13=ffffffff8672618c R14=ffffffff8672618c R15=dffffc0000000000 RIP=ffffffff8135dacf RFL=00000287 [--S--PC] 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 fffffe4f00000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007ff23cdd9548 CR3=000000000d5a5000 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=1465889dfbc509bbf64dbc774eaf07e8 XMM02=0000000000306098ec2efd57dc4c00df XMM03=0000000000311a405a82c0e7e8598c6a XMM04=29499b084a9a433300000000000ae988 XMM05=0394861f14684e590000000000321a10 XMM06=3e829fc8c8edc9900000000000321898 XMM07=e042d86d42eb936e0000000000312b90 XMM08=5a82c0e7e8598c6a00000000003060f8 XMM09=00000000000000000000000000000000 XMM10=20200000000020202020202020200000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000