syzkaller login: [ 46.138147] ------------[ cut here ]------------ [ 46.138973] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 46.140880] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/233 [ 46.142252] Modules linked in: [ 46.142800] CPU: 0 UID: 104 PID: 233 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 46.144757] Tainted: [W]=WARN [ 46.145327] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 46.146719] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 46.147598] 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 [ 46.150620] RSP: 0018:ffff88801671fbc0 EFLAGS: 00010286 [ 46.151550] RAX: 0000000000000000 RBX: ffffed1002ce3f78 RCX: ffffffff813a4050 [ 46.152785] RDX: ffff888015bb0000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 46.154007] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002ce3f2f [ 46.155217] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000400dc0 [ 46.156434] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801671fdf8 [ 46.157677] FS: 00007fc1401ad900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 46.159027] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 46.160026] CR2: 00007ffce1ec7ef7 CR3: 000000001ba7c000 CR4: 0000000000350ef0 [ 46.161265] Call Trace: [ 46.161712] [ 46.162099] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 46.162946] ? __create_object+0x59/0x80 [ 46.163682] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 46.164609] __vmalloc_noprof+0x59/0x60 [ 46.165327] bpf_prog_alloc_no_stats+0x55/0x470 [ 46.166095] ? __pfx_seccomp_check_filter+0x10/0x10 [ 46.166971] bpf_prog_alloc+0x39/0x200 [ 46.167686] ? __pfx_seccomp_check_filter+0x10/0x10 [ 46.168571] bpf_prog_create_from_user+0xb2/0x2f0 [ 46.169449] do_seccomp+0x349/0x25e0 [ 46.170092] ? find_held_lock+0x2b/0x80 [ 46.170820] ? do_prlimit+0x310/0x610 [ 46.171519] ? __pfx_do_seccomp+0x10/0x10 [ 46.172268] ? do_raw_spin_unlock+0x53/0x220 [ 46.173016] ? _raw_spin_unlock+0x1e/0x40 [ 46.173751] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 46.174641] ? static_key_count+0x60/0x80 [ 46.175410] prctl_set_seccomp+0x4e/0x70 [ 46.176175] __do_sys_prctl+0xe6c/0x1d70 [ 46.176886] ? __pfx___do_sys_prctl+0x10/0x10 [ 46.177699] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 46.178638] ? irqentry_exit+0xf3/0x650 [ 46.179365] do_syscall_64+0xbf/0x430 [ 46.180008] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 46.180906] RIP: 0033:0x7fc14069f5cd [ 46.181578] 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 [ 46.184606] RSP: 002b:00007ffce1ec69c0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 46.185883] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fc14069f5cd [ 46.187103] RDX: 000055b81cec8e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 46.188358] RBP: 00007ffce1ec6a20 R08: 0000000000000000 R09: 00007ffce1ec60c0 [ 46.189600] R10: 0000000000000000 R11: 0000000000000246 R12: 000055b854110ad0 [ 46.190796] R13: 00007ffce1ec6e50 R14: 000055b854111bc0 R15: 000055b854122780 [ 46.192032] [ 46.192474] irq event stamp: 1831 [ 46.193202] hardirqs last enabled at (1841): [] __up_console_sem+0x78/0x80 [ 46.194652] hardirqs last disabled at (1850): [] __up_console_sem+0x5d/0x80 [ 46.196084] softirqs last enabled at (1788): [] handle_softirqs+0x50c/0x770 [ 46.197597] softirqs last disabled at (1783): [] __irq_exit_rcu+0xc4/0x100 [ 46.199014] ---[ end trace 0000000000000000 ]--- [ 49.247339] ------------[ cut here ]------------ [ 49.248253] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 49.250282] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/241 [ 49.251749] Modules linked in: [ 49.252617] CPU: 1 UID: 104 PID: 241 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 49.254718] Tainted: [W]=WARN [ 49.255327] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 49.256816] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 49.257735] 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 [ 49.260998] RSP: 0018:ffff888017f47bc0 EFLAGS: 00010286 [ 49.261999] RAX: 0000000000000000 RBX: ffffed1002fe8f78 RCX: ffffffff813a4050 [ 49.263284] RDX: ffff888015fd1bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 49.264593] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002fe8f2f [ 49.265905] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 49.267197] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888017f47df8 [ 49.268501] FS: 00007f27a24fc900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 49.269964] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 49.271031] CR2: 00007ffd8fad8ef7 CR3: 000000000d4d7000 CR4: 0000000000350ef0 [ 49.272313] Call Trace: [ 49.272793] [ 49.273261] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 49.274167] ? __create_object+0x59/0x80 [ 49.274907] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 49.275869] __vmalloc_noprof+0x59/0x60 [ 49.276633] bpf_prog_alloc_no_stats+0x55/0x470 [ 49.277510] ? __pfx_seccomp_check_filter+0x10/0x10 [ 49.278438] bpf_prog_alloc+0x39/0x200 [ 49.279173] ? __pfx_seccomp_check_filter+0x10/0x10 [ 49.280047] bpf_prog_create_from_user+0xb2/0x2f0 [ 49.280944] do_seccomp+0x349/0x25e0 [ 49.281652] ? find_held_lock+0x2b/0x80 [ 49.282407] ? do_prlimit+0x310/0x610 [ 49.283088] ? __pfx_do_seccomp+0x10/0x10 [ 49.283869] ? do_raw_spin_unlock+0x53/0x220 [ 49.284705] ? _raw_spin_unlock+0x1e/0x40 [ 49.285467] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 49.286420] ? static_key_count+0x60/0x80 [ 49.287220] prctl_set_seccomp+0x4e/0x70 [ 49.287952] __do_sys_prctl+0xe6c/0x1d70 [ 49.288739] ? __pfx___do_sys_prctl+0x10/0x10 [ 49.289591] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 49.290558] ? irqentry_exit+0xf3/0x650 [ 49.291313] do_syscall_64+0xbf/0x430 [ 49.292007] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 49.292950] RIP: 0033:0x7f27a29ee5cd [ 49.293646] 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 [ 49.296784] RSP: 002b:00007ffd8fad6830 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 49.298136] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f27a29ee5cd [ 49.299449] RDX: 000055710cf59e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 49.300736] RBP: 00007ffd8fad6890 R08: 0000000000000000 R09: 00007ffd8fad5f30 [ 49.301994] R10: 0000000000000000 R11: 0000000000000246 R12: 000055711ce39ad0 [ 49.303261] R13: 00007ffd8fad6cc0 R14: 000055711ce3abc0 R15: 000055711ce4b780 [ 49.304549] [ 49.304978] irq event stamp: 1811 [ 49.305618] hardirqs last enabled at (1821): [] __up_console_sem+0x78/0x80 [ 49.307135] hardirqs last disabled at (1832): [] __up_console_sem+0x5d/0x80 [ 49.308658] softirqs last enabled at (1760): [] handle_softirqs+0x50c/0x770 [ 49.310078] softirqs last disabled at (1755): [] __irq_exit_rcu+0xc4/0x100 [ 49.311317] ---[ end trace 0000000000000000 ]--- [ 49.995592] ------------[ cut here ]------------ [ 49.996513] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 49.998542] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/248 [ 49.999987] Modules linked in: [ 50.000854] CPU: 1 UID: 104 PID: 248 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 50.002912] Tainted: [W]=WARN [ 50.003590] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 50.005085] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 50.006017] 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 [ 50.009233] RSP: 0018:ffff88800732fbc0 EFLAGS: 00010286 [ 50.010219] RAX: 0000000000000000 RBX: ffffed1000e65f78 RCX: ffffffff813a4050 [ 50.011509] RDX: ffff888016360000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 50.012803] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1000e65f2f [ 50.014080] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 50.015381] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88800732fdf8 [ 50.016665] FS: 00007f927f607900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 50.018135] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.019198] CR2: 00007ffdceaf1ef7 CR3: 0000000020597000 CR4: 0000000000350ef0 [ 50.020498] Call Trace: [ 50.020978] [ 50.021434] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 50.022342] ? __create_object+0x59/0x80 [ 50.023089] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 50.024068] __vmalloc_noprof+0x59/0x60 [ 50.024852] bpf_prog_alloc_no_stats+0x55/0x470 [ 50.025736] ? __pfx_seccomp_check_filter+0x10/0x10 [ 50.026683] bpf_prog_alloc+0x39/0x200 [ 50.027425] ? __pfx_seccomp_check_filter+0x10/0x10 [ 50.028349] bpf_prog_create_from_user+0xb2/0x2f0 [ 50.029287] do_seccomp+0x349/0x25e0 [ 50.029972] ? find_held_lock+0x2b/0x80 [ 50.030723] ? do_prlimit+0x310/0x610 [ 50.031471] ? __pfx_do_seccomp+0x10/0x10 [ 50.032260] ? do_raw_spin_unlock+0x53/0x220 [ 50.033064] ? _raw_spin_unlock+0x1e/0x40 [ 50.033837] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 50.034805] ? static_key_count+0x60/0x80 [ 50.035615] prctl_set_seccomp+0x4e/0x70 [ 50.036403] __do_sys_prctl+0xe6c/0x1d70 [ 50.037202] ? __pfx___do_sys_prctl+0x10/0x10 [ 50.038006] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 50.038976] ? irqentry_exit+0xf3/0x650 [ 50.039735] do_syscall_64+0xbf/0x430 [ 50.040478] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 50.041446] RIP: 0033:0x7f927faf95cd [ 50.042105] 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 [ 50.045311] RSP: 002b:00007ffdceaf0890 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 50.046670] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f927faf95cd [ 50.047952] RDX: 0000564a5432ae00 RSI: 0000000000000002 RDI: 0000000000000016 [ 50.049270] RBP: 00007ffdceaf08f0 R08: 0000000000000000 R09: 00007ffdceaeff90 [ 50.050557] R10: 0000000000000000 R11: 0000000000000246 R12: 0000564a8c79f2b0 [ 50.051857] R13: 00007ffdceaf0d20 R14: 0000564a8c7a1d20 R15: 0000564a8c7b38d0 [ 50.053172] [ 50.053604] irq event stamp: 1867 [ 50.054257] hardirqs last enabled at (1877): [] __up_console_sem+0x78/0x80 [ 50.055778] hardirqs last disabled at (1886): [] __up_console_sem+0x5d/0x80 [ 50.057284] softirqs last enabled at (1596): [] handle_softirqs+0x50c/0x770 [ 50.058569] softirqs last disabled at (1591): [] __irq_exit_rcu+0xc4/0x100 [ 50.059828] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:30139' (ECDSA) to the list of known hosts. 2025/11/18 11:24:44 fuzzer started 2025/11/18 11:24:44 dialing manager at localhost:34383 2025/11/18 11:24:44 checking machine... 2025/11/18 11:24:44 checking revisions... [ 50.825021] kmemleak: Automatic memory scanning thread ended 2025/11/18 11:24:44 testing simple program... [ 50.910445] cgroup: Unknown subsys name 'net' [ 50.974761] cgroup: Unknown subsys name 'cpuset' [ 50.987497] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program VM DIAGNOSIS: 11:24:43 Registers: info registers vcpu 0 RAX=0000000000000001 RBX=1ffff11002feeefa RCX=ffffffff83ded902 RDX=0000000000000000 RSI=0000000000000001 RDI=0000000000000000 RBP=ffff888020568dc0 RSP=ffff888017f77798 R8 =0000000000000001 R9 =0000000000000000 R10=0000000000000001 R11=0000000000000001 R12=0000000000000000 R13=ffff888017f77908 R14=ffff88800f0cc000 R15=0000000000000000 RIP=ffffffff81751928 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 00007f27a24fc900 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe2c00000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f27a2ab3618 CR3=000000000e430000 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=6e69676f6c5f6d61702c78756e696c65 XMM02=755f6d61702c74696d7265705f6d6170 XMM03=2c766e655f6d61702c7374696d696c5f XMM04=6d61702c766e655f6d61702c7374696d XMM05=78696e755f6d61702c74696d7265705f XMM06=6469756e69676f6c5f6d61702c78756e XMM07=672065736f6c635f6e6f69737365733a XMM08=61662029286e65706f5f746964756100 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=000000000002cf53 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=00007ffcb2302468 CR3=000000000d15b000 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=383c9e961c0a54bcaa4ec37760637fb8 XMM02=ec2efd57dc4c00df0000000000300cc8 XMM03=cce0c513ea2bc2550000000000300d98 XMM04=bd0c1ce72904ca9600000000000ae988 XMM05=d96330e2d2db8632000000000031cea8 XMM06=ee0a2ca4d6de6bd10000000000316fa8 XMM07=e042d86d42eb936e000000000030d128 XMM08=cce0c513ea2bc2550000000000300d98 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000