syzkaller login: [ 39.143547] ------------[ cut here ]------------ [ 39.144470] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 39.146471] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/233 [ 39.147940] Modules linked in: [ 39.148521] CPU: 0 UID: 104 PID: 233 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 39.150794] Tainted: [W]=WARN [ 39.151516] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 39.153003] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 39.153918] 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 [ 39.157083] RSP: 0018:ffff8880184e7bc0 EFLAGS: 00010286 [ 39.158062] RAX: 0000000000000000 RBX: ffffed100309cf78 RCX: ffffffff813a4050 [ 39.159383] RDX: ffff88800f2d9bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 39.160654] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed100309cf2f [ 39.161924] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 39.163206] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff8880184e7df8 [ 39.164489] FS: 00007fceb75ac900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 39.166105] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 39.167516] CR2: 00007ffdcfd6def7 CR3: 000000000c50e000 CR4: 0000000000350ef0 [ 39.169170] Call Trace: [ 39.169772] [ 39.170314] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 39.171260] ? __create_object+0x59/0x80 [ 39.172064] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.173076] __vmalloc_noprof+0x59/0x60 [ 39.173804] bpf_prog_alloc_no_stats+0x55/0x470 [ 39.174741] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.175717] bpf_prog_alloc+0x39/0x200 [ 39.176485] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.177455] bpf_prog_create_from_user+0xb2/0x2f0 [ 39.178437] do_seccomp+0x349/0x25e0 [ 39.179185] ? find_held_lock+0x2b/0x80 [ 39.179986] ? do_prlimit+0x310/0x610 [ 39.180683] ? __pfx_do_seccomp+0x10/0x10 [ 39.181510] ? do_raw_spin_unlock+0x53/0x220 [ 39.182411] ? _raw_spin_unlock+0x1e/0x40 [ 39.183222] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 39.184223] ? static_key_count+0x60/0x80 [ 39.185056] prctl_set_seccomp+0x4e/0x70 [ 39.185796] __do_sys_prctl+0xe6c/0x1d70 [ 39.186658] ? __pfx___do_sys_prctl+0x10/0x10 [ 39.187561] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 39.188561] ? irqentry_exit+0xf3/0x650 [ 39.189355] do_syscall_64+0xbf/0x430 [ 39.190146] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 39.191184] RIP: 0033:0x7fceb7a9e5cd [ 39.191939] 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 [ 39.195237] RSP: 002b:00007ffdcfd6c680 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 39.196628] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fceb7a9e5cd [ 39.197970] RDX: 000055c05dcd8e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 39.199308] RBP: 00007ffdcfd6c6e0 R08: 0000000000000000 R09: 00007ffdcfd6bd80 [ 39.200636] R10: 0000000000000000 R11: 0000000000000246 R12: 000055c0889abb10 [ 39.201963] R13: 00007ffdcfd6cb10 R14: 000055c0889ac2b0 R15: 000055c0889c06f0 [ 39.203349] [ 39.203783] irq event stamp: 1867 [ 39.204471] hardirqs last enabled at (1877): [] __up_console_sem+0x78/0x80 [ 39.206029] hardirqs last disabled at (1886): [] __up_console_sem+0x5d/0x80 [ 39.207433] softirqs last enabled at (1402): [] handle_softirqs+0x50c/0x770 [ 39.208804] softirqs last disabled at (1397): [] __irq_exit_rcu+0xc4/0x100 [ 39.210090] ---[ end trace 0000000000000000 ]--- [ 42.677404] ------------[ cut here ]------------ [ 42.678383] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.680373] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/241 [ 42.681854] Modules linked in: [ 42.682515] CPU: 0 UID: 104 PID: 241 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 42.684557] Tainted: [W]=WARN [ 42.685152] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.686675] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.687595] 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 [ 42.690801] RSP: 0018:ffff888016727bc0 EFLAGS: 00010286 [ 42.691763] RAX: 0000000000000000 RBX: ffffed1002ce4f78 RCX: ffffffff813a4050 [ 42.693067] RDX: ffff88800f2d8000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.694381] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002ce4f2f [ 42.695638] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.696903] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888016727df8 [ 42.698170] FS: 00007fb0e84ba900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 42.699642] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.700690] CR2: 00007fff0ca61ef7 CR3: 000000000d829000 CR4: 0000000000350ef0 [ 42.701983] Call Trace: [ 42.702481] [ 42.702928] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.703777] ? __create_object+0x59/0x80 [ 42.704546] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.705537] __vmalloc_noprof+0x59/0x60 [ 42.706344] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.707225] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.708150] bpf_prog_alloc+0x39/0x200 [ 42.708853] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.709814] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.710745] do_seccomp+0x349/0x25e0 [ 42.711461] ? find_held_lock+0x2b/0x80 [ 42.712206] ? do_prlimit+0x310/0x610 [ 42.712938] ? __pfx_do_seccomp+0x10/0x10 [ 42.713664] ? do_raw_spin_unlock+0x53/0x220 [ 42.714524] ? _raw_spin_unlock+0x1e/0x40 [ 42.715303] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.716269] ? static_key_count+0x60/0x80 [ 42.717068] prctl_set_seccomp+0x4e/0x70 [ 42.717783] __do_sys_prctl+0xe6c/0x1d70 [ 42.718595] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.719453] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.720402] ? irqentry_exit+0xf3/0x650 [ 42.721164] do_syscall_64+0xbf/0x430 [ 42.721849] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.722823] RIP: 0033:0x7fb0e89ac5cd [ 42.723523] 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 [ 42.726673] RSP: 002b:00007fff0ca60920 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.728036] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fb0e89ac5cd [ 42.729293] RDX: 0000564a1b6b1e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.730647] RBP: 00007fff0ca60980 R08: 0000000000000000 R09: 00007fff0ca60020 [ 42.731947] R10: 0000000000000000 R11: 0000000000000246 R12: 0000564a34565ad0 [ 42.733206] R13: 00007fff0ca60db0 R14: 0000564a34566bc0 R15: 0000564a34577780 [ 42.734588] [ 42.735064] irq event stamp: 1727 [ 42.735674] hardirqs last enabled at (1735): [] __up_console_sem+0x78/0x80 [ 42.737196] hardirqs last disabled at (1744): [] __up_console_sem+0x5d/0x80 [ 42.738796] softirqs last enabled at (1648): [] handle_softirqs+0x50c/0x770 [ 42.740238] softirqs last disabled at (1643): [] __irq_exit_rcu+0xc4/0x100 [ 42.741554] ---[ end trace 0000000000000000 ]--- [ 43.530249] ------------[ cut here ]------------ [ 43.531219] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 43.533212] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/249 [ 43.534802] Modules linked in: [ 43.535458] CPU: 0 UID: 104 PID: 249 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 43.537475] Tainted: [W]=WARN [ 43.538097] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 43.539648] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 43.540562] 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 [ 43.543832] RSP: 0018:ffff88801795fbc0 EFLAGS: 00010286 [ 43.544838] RAX: 0000000000000000 RBX: ffffed1002f2bf78 RCX: ffffffff813a4050 [ 43.546166] RDX: ffff8880184ab780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 43.547521] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002f2bf2f [ 43.548832] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000400dc0 [ 43.550159] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801795fdf8 [ 43.551476] FS: 00007f64a5263900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 43.552952] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 43.554050] CR2: 00007f64a5755580 CR3: 000000000d679000 CR4: 0000000000350ef0 [ 43.555390] Call Trace: [ 43.555914] [ 43.556344] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 43.557249] ? __create_object+0x59/0x80 [ 43.558043] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 43.559077] __vmalloc_noprof+0x59/0x60 [ 43.559803] bpf_prog_alloc_no_stats+0x55/0x470 [ 43.560679] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.561618] bpf_prog_alloc+0x39/0x200 [ 43.562418] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.563372] bpf_prog_create_from_user+0xb2/0x2f0 [ 43.564292] do_seccomp+0x349/0x25e0 [ 43.565018] ? __pfx_css_rstat_updated+0x10/0x10 [ 43.565942] ? __pfx_do_seccomp+0x10/0x10 [ 43.566747] ? find_held_lock+0x2b/0x80 [ 43.567516] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 43.568499] ? static_key_count+0x60/0x80 [ 43.569312] prctl_set_seccomp+0x4e/0x70 [ 43.570112] __do_sys_prctl+0xe6c/0x1d70 [ 43.570964] ? __pfx___do_sys_prctl+0x10/0x10 [ 43.571799] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 43.572774] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 43.573745] ? irqentry_exit+0xf3/0x650 [ 43.574556] do_syscall_64+0xbf/0x430 [ 43.575316] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 43.576287] RIP: 0033:0x7f64a57555cd [ 43.577022] 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 [ 43.580291] RSP: 002b:00007ffe470431a0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 43.581681] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f64a57555cd [ 43.583042] RDX: 000055810013fe00 RSI: 0000000000000002 RDI: 0000000000000016 [ 43.584382] RBP: 00007ffe47043200 R08: 0000000000000000 R09: 00007ffe470428a0 [ 43.585705] R10: 0000000000000000 R11: 0000000000000246 R12: 000055813cf5e240 [ 43.587047] R13: 00007ffe47043630 R14: 000055813cf67380 R15: 000055813cf72540 [ 43.588351] [ 43.588797] irq event stamp: 1731 [ 43.589458] hardirqs last enabled at (1741): [] __up_console_sem+0x78/0x80 [ 43.591047] hardirqs last disabled at (1750): [] __up_console_sem+0x5d/0x80 [ 43.592575] softirqs last enabled at (1690): [] handle_softirqs+0x50c/0x770 [ 43.594138] softirqs last disabled at (1685): [] __irq_exit_rcu+0xc4/0x100 [ 43.595728] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:41467' (ECDSA) to the list of known hosts. 2025/11/19 02:17:00 fuzzer started 2025/11/19 02:17:01 dialing manager at localhost:34383 2025/11/19 02:17:01 checking machine... 2025/11/19 02:17:01 checking revisions... [ 44.539884] kmemleak: Automatic memory scanning thread ended 2025/11/19 02:17:01 testing simple program... [ 44.632353] cgroup: Unknown subsys name 'net' [ 44.698451] cgroup: Unknown subsys name 'cpuset' [ 44.712798] cgroup: Unknown subsys name 'rlimit' executing program executing program VM DIAGNOSIS: 02:17:00 Registers: info registers vcpu 0 RAX=0000000000000003 RBX=ffff8880e538f000 RCX=dfb8078e475e76a4 RDX=0000000000000000 RSI=000000008301a466 RDI=ffff88806ce31cd0 RBP=ffff888009627808 RSP=ffff888009627730 R8 =0000000000000001 R9 =0000000000000000 R10=0000000000000001 R11=0000000000000001 R12=0000000000000000 R13=ffff8880096277f8 R14=ffff888009611bc0 R15=ffff8880096277b0 RIP=ffffffff815bd13f 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 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe0b00000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007fb0e8a71618 CR3=000000000a1dc000 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=2030303a37313a323020393120766f4e XMM01=657463656e6e6f63736944203a5d3034 XMM02=302e303120746f6f722072657375206d XMM03=203a5d3034325b646873732072656c6c XMM04=69662068637573206f4e203a656c6163 XMM05=3a656c696620766e65206e65706f206f XMM06=65733a6468737328766e655f6d617020 XMM07=6b7a79732039353a36313a3230203931 XMM08=30343d7974696c696261706163202279 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=0000000000000000 RBX=ffff888009613800 RCX=0000000000000001 RDX=1ffff1100d9e6e82 RSI=0000000000000001 RDI=ffff88806cf37410 RBP=0000000000000001 RSP=ffff8880096efb70 R8 =0000000000000001 R9 =ffffed10012ddf99 R10=0000000000000000 R11=0000000000000001 R12=0000000000000000 R13=ffff88806cf37400 R14=ffff88806cf37400 R15=dffffc0000000000 RIP=ffffffff8149427b 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 0000000000000000 00000000 00000000 GS =0000 ffff8880e548f000 00000000 00000000 LDT=0000 fffffe6a00000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f8d8237d5c0 CR3=000000000dbe5000 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=a84e815d9d7c829f8b477150dfd241c1 XMM02=0000000000303bb8eff9b2d0a8fce9cb XMM03=0000000000303c882c67c8bc2e329bc3 XMM04=f3cc56c27c2ef86e00000000000ae988 XMM05=1b8a582249729abd0000000000321550 XMM06=474038aa6c007e1f00000000003205f0 XMM07=e042d86d42eb936e0000000000310e38 XMM08=25c4af76929ffa830000000000303c88 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000