syzkaller login: [ 38.966296] ------------[ cut here ]------------ [ 38.967218] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 38.969607] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/234 [ 38.971045] Modules linked in: [ 38.971711] CPU: 0 UID: 104 PID: 234 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 38.973669] Tainted: [W]=WARN [ 38.974265] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 38.975714] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 38.976617] 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 [ 38.979755] RSP: 0018:ffff8880163bfbc0 EFLAGS: 00010286 [ 38.980724] RAX: 0000000000000000 RBX: ffffed1002c77f78 RCX: ffffffff813a4050 [ 38.982002] RDX: ffff88800f47d340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 38.983265] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002c77f2f [ 38.984528] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 38.985796] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff8880163bfdf8 [ 38.987063] FS: 00007f94d26d0900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 38.988532] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 38.989591] CR2: 00007ffddc02cef7 CR3: 000000000cb85000 CR4: 0000000000350ef0 [ 38.990870] Call Trace: [ 38.991372] [ 38.991777] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 38.992646] ? __create_object+0x59/0x80 [ 38.993415] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 38.994403] __vmalloc_noprof+0x59/0x60 [ 38.995151] bpf_prog_alloc_no_stats+0x55/0x470 [ 38.995968] ? __pfx_seccomp_check_filter+0x10/0x10 [ 38.996879] bpf_prog_alloc+0x39/0x200 [ 38.997595] ? __pfx_seccomp_check_filter+0x10/0x10 [ 38.998524] bpf_prog_create_from_user+0xb2/0x2f0 [ 38.999412] do_seccomp+0x349/0x25e0 [ 39.000122] ? find_held_lock+0x2b/0x80 [ 39.000829] ? do_prlimit+0x310/0x610 [ 39.001563] ? __pfx_do_seccomp+0x10/0x10 [ 39.002338] ? do_raw_spin_unlock+0x53/0x220 [ 39.003167] ? _raw_spin_unlock+0x1e/0x40 [ 39.003894] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 39.004853] ? static_key_count+0x60/0x80 [ 39.005647] prctl_set_seccomp+0x4e/0x70 [ 39.006435] __do_sys_prctl+0xe6c/0x1d70 [ 39.007216] ? __pfx___do_sys_prctl+0x10/0x10 [ 39.008023] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 39.008991] ? irqentry_exit+0xf3/0x650 [ 39.009760] do_syscall_64+0xbf/0x430 [ 39.010496] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 39.011442] RIP: 0033:0x7f94d2bc25cd [ 39.012130] 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 [ 39.015286] RSP: 002b:00007ffddc02bab0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 39.016634] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f94d2bc25cd [ 39.017926] RDX: 0000565335cb9e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 39.019187] RBP: 00007ffddc02bb10 R08: 0000000000000000 R09: 00007ffddc02b1b0 [ 39.020448] R10: 0000000000000000 R11: 0000000000000246 R12: 00005653481d2ad0 [ 39.021739] R13: 00007ffddc02bf40 R14: 00005653481d3bc0 R15: 00005653481e4780 [ 39.023016] [ 39.023474] irq event stamp: 1807 [ 39.024075] hardirqs last enabled at (1815): [] __up_console_sem+0x78/0x80 [ 39.025600] hardirqs last disabled at (1826): [] __up_console_sem+0x5d/0x80 [ 39.027121] softirqs last enabled at (1678): [] handle_softirqs+0x50c/0x770 [ 39.028660] softirqs last disabled at (1673): [] __irq_exit_rcu+0xc4/0x100 [ 39.030155] ---[ end trace 0000000000000000 ]--- [ 42.353785] ------------[ cut here ]------------ [ 42.354699] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.356765] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/243 [ 42.358258] Modules linked in: [ 42.358846] CPU: 1 UID: 104 PID: 243 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 42.360820] Tainted: [W]=WARN [ 42.361425] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.362906] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.363856] 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 [ 42.367002] RSP: 0018:ffff88801a1f7bc0 EFLAGS: 00010286 [ 42.367968] RAX: 0000000000000000 RBX: ffffed100343ef78 RCX: ffffffff813a4050 [ 42.369245] RDX: ffff8880161cd340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.370552] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed100343ef2f [ 42.371853] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.373138] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801a1f7df8 [ 42.374428] FS: 00007f026582a900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 42.375878] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.376957] CR2: 00007f0265d904a6 CR3: 000000000eda7000 CR4: 0000000000350ef0 [ 42.378245] Call Trace: [ 42.378720] [ 42.379187] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.380029] ? __create_object+0x59/0x80 [ 42.380819] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.381803] __vmalloc_noprof+0x59/0x60 [ 42.382542] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.383430] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.384375] bpf_prog_alloc+0x39/0x200 [ 42.385123] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.386020] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.386934] do_seccomp+0x349/0x25e0 [ 42.387665] ? find_held_lock+0x2b/0x80 [ 42.388439] ? do_prlimit+0x310/0x610 [ 42.389203] ? __pfx_do_seccomp+0x10/0x10 [ 42.389970] ? do_raw_spin_unlock+0x53/0x220 [ 42.390821] ? _raw_spin_unlock+0x1e/0x40 [ 42.391605] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.392576] ? static_key_count+0x60/0x80 [ 42.393373] prctl_set_seccomp+0x4e/0x70 [ 42.394195] __do_sys_prctl+0xe6c/0x1d70 [ 42.394956] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.395818] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.396780] ? irqentry_exit+0xf3/0x650 [ 42.397557] do_syscall_64+0xbf/0x430 [ 42.398314] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.399271] RIP: 0033:0x7f0265d1c5cd [ 42.399931] 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 [ 42.403107] RSP: 002b:00007fffac1b9180 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.404462] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f0265d1c5cd [ 42.405777] RDX: 000055f074e80e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.407055] RBP: 00007fffac1b91e0 R08: 0000000000000000 R09: 00007fffac1b8880 [ 42.408371] R10: 0000000000000000 R11: 0000000000000246 R12: 000055f07e1ba2b0 [ 42.409660] R13: 00007fffac1b9610 R14: 000055f07e1bcd20 R15: 000055f07e1ce8d0 [ 42.410958] [ 42.411437] irq event stamp: 1773 [ 42.412043] hardirqs last enabled at (1781): [] __up_console_sem+0x78/0x80 [ 42.413626] hardirqs last disabled at (1792): [] __up_console_sem+0x5d/0x80 [ 42.415152] softirqs last enabled at (1616): [] handle_softirqs+0x50c/0x770 [ 42.416687] softirqs last disabled at (1605): [] __irq_exit_rcu+0xc4/0x100 [ 42.418206] ---[ end trace 0000000000000000 ]--- [ 43.077241] ------------[ cut here ]------------ [ 43.078199] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 43.080267] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/251 [ 43.081760] Modules linked in: [ 43.082442] CPU: 0 UID: 104 PID: 251 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 43.084442] Tainted: [W]=WARN [ 43.085000] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 43.086502] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 43.087413] 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 [ 43.090603] RSP: 0018:ffff88801a247bc0 EFLAGS: 00010286 [ 43.091568] RAX: 0000000000000000 RBX: ffffed1003448f78 RCX: ffffffff813a4050 [ 43.092834] RDX: ffff888019d41bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 43.094128] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1003448f2f [ 43.095418] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 43.096698] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801a247df8 [ 43.098005] FS: 00007fa689810900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 43.099470] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 43.100525] CR2: 00007ffc02047ef7 CR3: 000000000e6fb000 CR4: 0000000000350ef0 [ 43.101810] Call Trace: [ 43.102329] [ 43.102748] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 43.103640] ? __create_object+0x59/0x80 [ 43.104432] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 43.105402] __vmalloc_noprof+0x59/0x60 [ 43.106187] bpf_prog_alloc_no_stats+0x55/0x470 [ 43.107018] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.107935] bpf_prog_alloc+0x39/0x200 [ 43.108657] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.109578] bpf_prog_create_from_user+0xb2/0x2f0 [ 43.110489] do_seccomp+0x349/0x25e0 [ 43.111196] ? find_held_lock+0x2b/0x80 [ 43.111903] ? do_prlimit+0x310/0x610 [ 43.112640] ? __pfx_do_seccomp+0x10/0x10 [ 43.113426] ? do_raw_spin_unlock+0x53/0x220 [ 43.114259] ? _raw_spin_unlock+0x1e/0x40 [ 43.114998] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 43.115941] ? static_key_count+0x60/0x80 [ 43.116745] prctl_set_seccomp+0x4e/0x70 [ 43.117523] __do_sys_prctl+0xe6c/0x1d70 [ 43.118304] ? __pfx___do_sys_prctl+0x10/0x10 [ 43.119157] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 43.120125] ? irqentry_exit+0xf3/0x650 [ 43.120846] do_syscall_64+0xbf/0x430 [ 43.121588] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 43.122556] RIP: 0033:0x7fa689d025cd [ 43.123262] 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 [ 43.126427] RSP: 002b:00007ffc02045930 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 43.127769] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fa689d025cd [ 43.129051] RDX: 00005631ff9fbe00 RSI: 0000000000000002 RDI: 0000000000000016 [ 43.130367] RBP: 00007ffc02045990 R08: 0000000000000000 R09: 00007ffc02045030 [ 43.131627] R10: 0000000000000000 R11: 0000000000000246 R12: 0000563237d842b0 [ 43.132910] R13: 00007ffc02045dc0 R14: 0000563237d86d20 R15: 0000563237d988d0 [ 43.134216] [ 43.134638] irq event stamp: 1785 [ 43.135285] hardirqs last enabled at (1795): [] __up_console_sem+0x78/0x80 [ 43.136787] hardirqs last disabled at (1804): [] __up_console_sem+0x5d/0x80 [ 43.138316] softirqs last enabled at (1764): [] handle_softirqs+0x50c/0x770 [ 43.139843] softirqs last disabled at (1759): [] __irq_exit_rcu+0xc4/0x100 [ 43.141354] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:13846' (ECDSA) to the list of known hosts. 2025/11/19 05:52:05 fuzzer started 2025/11/19 05:52:05 dialing manager at localhost:34383 2025/11/19 05:52:05 checking machine... 2025/11/19 05:52:05 checking revisions... [ 43.927812] kmemleak: Automatic memory scanning thread ended 2025/11/19 05:52:06 testing simple program... [ 44.004210] cgroup: Unknown subsys name 'net' [ 44.061334] cgroup: Unknown subsys name 'cpuset' [ 44.080056] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program VM DIAGNOSIS: 05:52:05 Registers: info registers vcpu 0 RAX=0000000080000000 RBX=0000000000000001 RCX=ffffffff81e4eb77 RDX=ffff888019d40000 RSI=ffffffff81e4e9aa RDI=0000000000000005 RBP=ffff88800f598000 RSP=ffff888016117738 R8 =0000000000000001 R9 =0000000000000000 R10=0000000000000001 R11=0000000000000001 R12=ffff888009cc7360 R13=0000000000000000 R14=ffff88800f598610 R15=0000000000000000 RIP=ffffffff81751e17 RFL=00000202 [-------] 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 00007f375cdba700 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe3d00000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f02657f4008 CR3=000000000ec44000 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=2035303a32353a353020393120766f4e XMM01=73732878696e755f6d6170203a5d3234 XMM02=65736f6c63206e6f6973736573203a29 XMM03=755f6d6170203a5d3234325b64687373 XMM04=69662068637573206f4e203a656c6163 XMM05=3a656c696620766e65206e65706f206f XMM06=65733a6468737328766e655f6d617020 XMM07=6b7a79732034303a32353a3530203931 XMM08=30343d7974696c696261706163202279 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=000000000002645b 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=00000202 [-------] 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 fffffe2300000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007ffc91029988 CR3=000000000ec44000 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=32353a353020393120766f4e3e36383c XMM01=7365733a646873732878696e755f6d61 XMM02=736f6c63206e6f6973736573203a296e XMM03=5f6d6170203a5d3234325b6468737320 XMM04=6456774875434142334f726f59427469 XMM05=485320415352203a3268737320323834 XMM06=206d6f726620746f6f7220726f662079 XMM07=00000000000000000000000000000000 XMM08=3a677562656420676f6c737973720000 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000