syzkaller login: [ 38.993789] ------------[ cut here ]------------ [ 38.994687] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 38.996728] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/232 [ 38.998188] Modules linked in: [ 38.998777] CPU: 0 UID: 104 PID: 232 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 39.000763] Tainted: [W]=WARN [ 39.001356] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 39.002876] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 39.003755] 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 [ 39.006949] RSP: 0018:ffff8880195afbc0 EFLAGS: 00010286 [ 39.007941] RAX: 0000000000000000 RBX: ffffed10032b5f78 RCX: ffffffff813a4050 [ 39.009231] RDX: ffff888015c29bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 39.010525] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed10032b5f2f [ 39.011788] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000400dc0 [ 39.013072] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff8880195afdf8 [ 39.014364] FS: 00007f487d481900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 39.015811] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 39.016885] CR2: 00007f487d973580 CR3: 000000000e09f000 CR4: 0000000000350ef0 [ 39.018180] Call Trace: [ 39.018654] [ 39.019106] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 39.020001] ? __create_object+0x59/0x80 [ 39.020740] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.021695] __vmalloc_noprof+0x59/0x60 [ 39.022452] bpf_prog_alloc_no_stats+0x55/0x470 [ 39.023333] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.024269] bpf_prog_alloc+0x39/0x200 [ 39.025011] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.025958] bpf_prog_create_from_user+0xb2/0x2f0 [ 39.026822] do_seccomp+0x349/0x25e0 [ 39.027548] ? __pfx_css_rstat_updated+0x10/0x10 [ 39.028454] ? __pfx_do_seccomp+0x10/0x10 [ 39.029238] ? find_held_lock+0x2b/0x80 [ 39.030004] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 39.030979] ? static_key_count+0x60/0x80 [ 39.031747] prctl_set_seccomp+0x4e/0x70 [ 39.032514] __do_sys_prctl+0xe6c/0x1d70 [ 39.033310] ? __pfx___do_sys_prctl+0x10/0x10 [ 39.034176] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.035150] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 39.036150] ? irqentry_exit+0xf3/0x650 [ 39.036907] do_syscall_64+0xbf/0x430 [ 39.037620] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 39.038591] RIP: 0033:0x7f487d9735cd [ 39.039281] 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 [ 39.042475] RSP: 002b:00007ffd868fced0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 39.043840] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f487d9735cd [ 39.045138] RDX: 0000557ddaa9be00 RSI: 0000000000000002 RDI: 0000000000000016 [ 39.046437] RBP: 00007ffd868fcf30 R08: 0000000000000000 R09: 00007ffd868fc5d0 [ 39.047712] R10: 0000000000000000 R11: 0000000000000246 R12: 0000557dfc4e7ad0 [ 39.048999] R13: 00007ffd868fd360 R14: 0000557dfc4e8bc0 R15: 0000557dfc4f9780 [ 39.050306] [ 39.050735] irq event stamp: 1713 [ 39.051383] hardirqs last enabled at (1723): [] __up_console_sem+0x78/0x80 [ 39.052929] hardirqs last disabled at (1744): [] __up_console_sem+0x5d/0x80 [ 39.054463] softirqs last enabled at (1742): [] handle_softirqs+0x50c/0x770 [ 39.056004] softirqs last disabled at (1731): [] __irq_exit_rcu+0xc4/0x100 [ 39.057510] ---[ end trace 0000000000000000 ]--- [ 42.073344] sshd (231) used greatest stack depth: 24104 bytes left [ 42.190568] ------------[ cut here ]------------ [ 42.191545] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.193739] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/242 [ 42.195313] Modules linked in: [ 42.195999] CPU: 1 UID: 104 PID: 242 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 42.198373] Tainted: [W]=WARN [ 42.199099] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.200671] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.201661] 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 [ 42.205086] RSP: 0018:ffff888015e67bc0 EFLAGS: 00010286 [ 42.206143] RAX: 0000000000000000 RBX: ffffed1002bccf78 RCX: ffffffff813a4050 [ 42.207515] RDX: ffff888009d69bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.208896] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002bccf2f [ 42.210299] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.211685] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888015e67df8 [ 42.213079] FS: 00007fd44e15c900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 42.214625] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.215773] CR2: 00007ffca352def8 CR3: 000000000a2cb000 CR4: 0000000000350ef0 [ 42.217163] Call Trace: [ 42.217663] [ 42.218190] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.219165] ? __create_object+0x59/0x80 [ 42.220017] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.221059] __vmalloc_noprof+0x59/0x60 [ 42.221836] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.222796] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.223796] bpf_prog_alloc+0x39/0x200 [ 42.224594] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.225592] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.226581] do_seccomp+0x349/0x25e0 [ 42.227355] ? find_held_lock+0x2b/0x80 [ 42.228181] ? do_prlimit+0x310/0x610 [ 42.229003] ? __pfx_do_seccomp+0x10/0x10 [ 42.229812] ? do_raw_spin_unlock+0x53/0x220 [ 42.230812] ? _raw_spin_unlock+0x1e/0x40 [ 42.231633] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.232657] ? static_key_count+0x60/0x80 [ 42.233515] prctl_set_seccomp+0x4e/0x70 [ 42.234360] __do_sys_prctl+0xe6c/0x1d70 [ 42.235183] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.236101] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.237139] ? irqentry_exit+0xf3/0x650 [ 42.237971] do_syscall_64+0xbf/0x430 [ 42.238705] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.239718] RIP: 0033:0x7fd44e64e5cd [ 42.240476] 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 [ 42.243664] RSP: 002b:00007ffca352c0a0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.244943] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fd44e64e5cd [ 42.246137] RDX: 000055fba87d8e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.247333] RBP: 00007ffca352c100 R08: 0000000000000000 R09: 00007ffca352b7a0 [ 42.248510] R10: 0000000000000000 R11: 0000000000000246 R12: 000055fbbfb282b0 [ 42.249718] R13: 00007ffca352c530 R14: 000055fbbfb2ad20 R15: 000055fbbfb3c8d0 [ 42.250975] [ 42.251369] irq event stamp: 1819 [ 42.252006] hardirqs last enabled at (1835): [] __up_console_sem+0x78/0x80 [ 42.253431] hardirqs last disabled at (1844): [] __up_console_sem+0x5d/0x80 [ 42.254850] softirqs last enabled at (1832): [] handle_softirqs+0x50c/0x770 [ 42.256290] softirqs last disabled at (1827): [] __irq_exit_rcu+0xc4/0x100 [ 42.257681] ---[ end trace 0000000000000000 ]--- [ 42.970631] ------------[ cut here ]------------ [ 42.971557] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.973585] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/251 [ 42.975040] Modules linked in: [ 42.975628] CPU: 1 UID: 104 PID: 251 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 42.977611] Tainted: [W]=WARN [ 42.978228] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.979826] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.980813] 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 [ 42.984220] RSP: 0018:ffff888009defbc0 EFLAGS: 00010286 [ 42.985259] RAX: 0000000000000000 RBX: ffffed10013bdf78 RCX: ffffffff813a4050 [ 42.986636] RDX: ffff888017849bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.988003] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed10013bdf2f [ 42.989371] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.990742] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888009defdf8 [ 42.992105] FS: 00007f9315b37900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 42.993638] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.994778] CR2: 00007ffca682cef8 CR3: 000000001a04d000 CR4: 0000000000350ef0 [ 42.996138] Call Trace: [ 42.996633] [ 42.997114] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.998085] ? __create_object+0x59/0x80 [ 42.998927] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.999967] __vmalloc_noprof+0x59/0x60 [ 43.000730] bpf_prog_alloc_no_stats+0x55/0x470 [ 43.001661] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.002669] bpf_prog_alloc+0x39/0x200 [ 43.003460] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.004466] bpf_prog_create_from_user+0xb2/0x2f0 [ 43.005441] do_seccomp+0x349/0x25e0 [ 43.006226] ? find_held_lock+0x2b/0x80 [ 43.007061] ? do_prlimit+0x310/0x610 [ 43.007833] ? __pfx_do_seccomp+0x10/0x10 [ 43.008697] ? do_raw_spin_unlock+0x53/0x220 [ 43.009617] ? _raw_spin_unlock+0x1e/0x40 [ 43.010480] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 43.011543] ? static_key_count+0x60/0x80 [ 43.012421] prctl_set_seccomp+0x4e/0x70 [ 43.013267] __do_sys_prctl+0xe6c/0x1d70 [ 43.014131] ? __pfx___do_sys_prctl+0x10/0x10 [ 43.015084] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 43.016145] ? irqentry_exit+0xf3/0x650 [ 43.016979] do_syscall_64+0xbf/0x430 [ 43.017736] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 43.018811] RIP: 0033:0x7f93160295cd [ 43.019585] 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 [ 43.023056] RSP: 002b:00007ffca682b160 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 43.024773] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f93160295cd [ 43.026022] RDX: 000055870fbd3e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 43.027224] RBP: 00007ffca682b1c0 R08: 0000000000000000 R09: 00007ffca682a860 [ 43.028488] R10: 0000000000000000 R11: 0000000000000246 R12: 00005587454b7b10 [ 43.029730] R13: 00007ffca682b5f0 R14: 00005587454b82b0 R15: 00005587454cc6f0 [ 43.030949] [ 43.031347] irq event stamp: 1743 [ 43.031964] hardirqs last enabled at (1753): [] __up_console_sem+0x78/0x80 [ 43.033398] hardirqs last disabled at (1762): [] __up_console_sem+0x5d/0x80 [ 43.034885] softirqs last enabled at (1692): [] handle_softirqs+0x50c/0x770 [ 43.036337] softirqs last disabled at (1675): [] __irq_exit_rcu+0xc4/0x100 [ 43.037770] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:45875' (ECDSA) to the list of known hosts. 2025/11/17 17:05:11 fuzzer started 2025/11/17 17:05:12 dialing manager at localhost:37895 2025/11/17 17:05:12 checking machine... 2025/11/17 17:05:12 checking revisions... [ 43.903364] kmemleak: Automatic memory scanning thread ended 2025/11/17 17:05:12 testing simple program... [ 43.994354] cgroup: Unknown subsys name 'net' [ 44.059268] cgroup: Unknown subsys name 'cpuset' [ 44.078027] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program VM DIAGNOSIS: 17:05:11 Registers: info registers vcpu 0 RAX=ffffffff8175a47e RBX=ffffffff85e78600 RCX=ffffffff8175a49f RDX=ffff888009d6b780 RSI=0000000000000000 RDI=0000000000000005 RBP=0000000000000001 RSP=ffff88806ce089e0 R8 =0000000000000001 R9 =0000000000000000 R10=0000000000000001 R11=0000000000000001 R12=00007fd44e643f18 R13=0000000000000000 R14=ffff888009d6b780 R15=ffff888009472140 RIP=ffffffff8175a4a0 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 00007fd44e15c900 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe6a00000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007fd44e7140b0 CR3=0000000009c04000 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=000000000000000000000000000000ff XMM02=000000000000000000000000000000ff XMM03=5320444f4854454d5f54505952434e45 XMM04=40404040404040404040404040404040 XMM05=5a5a5a5a5a5a5a5a5a5a5a5a5a5a5a5a XMM06=20202020202020202020202020202020 XMM07=00000000000000000000000000000000 XMM08=ffbc64ffffbc44ffffbc34ffffbc9f00 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=00000000000000fb RBX=ffff88806ce201b4 RCX=0000000000000830 RDX=0000000000000000 RSI=00000000000000fb RDI=ffffffff85a8dc80 RBP=0000000000000000 RSP=ffff88806cf08c70 R8 =0000000000000000 R9 =fffffbfff0cc9eca R10=0000000000000001 R11=0000000000000001 R12=1ffff1100d9e1194 R13=1ffff110012c2601 R14=ffff88806ce383c0 R15=0000000000000000 RIP=ffffffff813409ed RFL=00000056 [---ZAP-] 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 00007f43871f7900 00000000 00000000 GS =0000 ffff8880e548f000 00000000 00000000 LDT=0000 fffffe6300000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f09f207e008 CR3=0000000009cc1000 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=ffffffffffff00000000000000000000 XMM02=ffffffffffff00000000000000000000 XMM03=00000000000000000000000000000000 XMM04=00000000000000000000000000000000 XMM05=00000000000000000000000000000000 XMM06=00000000000000000000000000000000 XMM07=00000000000000000000000000000000 XMM08=00000000000073707574726174732064 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000