syzkaller login: [ 38.957360] ------------[ cut here ]------------ [ 38.958286] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 38.960258] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/233 [ 38.961711] Modules linked in: [ 38.962292] CPU: 1 UID: 104 PID: 233 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 38.964494] Tainted: [W]=WARN [ 38.965193] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 38.966670] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 38.967540] 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 [ 38.970680] RSP: 0018:ffff8880172d7bc0 EFLAGS: 00010286 [ 38.971659] RAX: 0000000000000000 RBX: ffffed1002e5af78 RCX: ffffffff813a4050 [ 38.972922] RDX: ffff888017520000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 38.974198] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002e5af2f [ 38.975528] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 38.976800] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff8880172d7df8 [ 38.978074] FS: 00007fdd7c2b4900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 38.979514] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 38.980568] CR2: 00007fdd7c7a6580 CR3: 000000000e575000 CR4: 0000000000350ef0 [ 38.981827] Call Trace: [ 38.982285] [ 38.982723] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 38.983586] ? __create_object+0x59/0x80 [ 38.984363] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 38.985320] __vmalloc_noprof+0x59/0x60 [ 38.986059] bpf_prog_alloc_no_stats+0x55/0x470 [ 38.986924] ? __pfx_seccomp_check_filter+0x10/0x10 [ 38.987854] bpf_prog_alloc+0x39/0x200 [ 38.988550] ? __pfx_seccomp_check_filter+0x10/0x10 [ 38.989467] bpf_prog_create_from_user+0xb2/0x2f0 [ 38.990359] do_seccomp+0x349/0x25e0 [ 38.991062] ? __pfx_css_rstat_updated+0x10/0x10 [ 38.991968] ? __pfx_do_seccomp+0x10/0x10 [ 38.992753] ? find_held_lock+0x2b/0x80 [ 38.993468] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 38.994411] ? static_key_count+0x60/0x80 [ 38.995202] prctl_set_seccomp+0x4e/0x70 [ 38.995973] __do_sys_prctl+0xe6c/0x1d70 [ 38.996738] ? __pfx___do_sys_prctl+0x10/0x10 [ 38.997545] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 38.998504] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 38.999473] ? irqentry_exit+0xf3/0x650 [ 39.000226] do_syscall_64+0xbf/0x430 [ 39.000952] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 39.001892] RIP: 0033:0x7fdd7c7a65cd [ 39.002546] 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 [ 39.005696] RSP: 002b:00007ffc28de3570 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 39.007053] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fdd7c7a65cd [ 39.008334] RDX: 000056349d1c4e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 39.009624] RBP: 00007ffc28de35d0 R08: 0000000000000000 R09: 00007ffc28de2c70 [ 39.010887] R10: 0000000000000000 R11: 0000000000000246 R12: 00005634ca50cb10 [ 39.012185] R13: 00007ffc28de3a00 R14: 00005634ca50d2b0 R15: 00005634ca5216f0 [ 39.013489] [ 39.013954] irq event stamp: 1799 [ 39.014555] hardirqs last enabled at (1807): [] __up_console_sem+0x78/0x80 [ 39.016065] hardirqs last disabled at (1816): [] __up_console_sem+0x5d/0x80 [ 39.017625] softirqs last enabled at (1720): [] handle_softirqs+0x50c/0x770 [ 39.019156] softirqs last disabled at (1715): [] __irq_exit_rcu+0xc4/0x100 [ 39.020658] ---[ end trace 0000000000000000 ]--- [ 41.927913] ------------[ cut here ]------------ [ 41.928683] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 41.930338] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/242 [ 41.931766] Modules linked in: [ 41.932263] CPU: 1 UID: 104 PID: 242 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 41.933901] Tainted: [W]=WARN [ 41.934354] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 41.935626] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 41.936354] 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 [ 41.938984] RSP: 0018:ffff888017217bc0 EFLAGS: 00010286 [ 41.939821] RAX: 0000000000000000 RBX: ffffed1002e42f78 RCX: ffffffff813a4050 [ 41.940882] RDX: ffff8880176db780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 41.941953] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002e42f2f [ 41.943016] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000400dc0 [ 41.944092] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888017217df8 [ 41.945161] FS: 00007fc9439d4900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 41.946354] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 41.947242] CR2: 00007fc943ec6580 CR3: 0000000020d9a000 CR4: 0000000000350ef0 [ 41.948327] Call Trace: [ 41.948749] [ 41.949092] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 41.949849] ? __create_object+0x59/0x80 [ 41.950462] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 41.951270] __vmalloc_noprof+0x59/0x60 [ 41.951909] bpf_prog_alloc_no_stats+0x55/0x470 [ 41.952599] ? __pfx_seccomp_check_filter+0x10/0x10 [ 41.953379] bpf_prog_alloc+0x39/0x200 [ 41.953991] ? __pfx_seccomp_check_filter+0x10/0x10 [ 41.954775] bpf_prog_create_from_user+0xb2/0x2f0 [ 41.955496] do_seccomp+0x349/0x25e0 [ 41.956092] ? __pfx_css_rstat_updated+0x10/0x10 [ 41.956849] ? __pfx_do_seccomp+0x10/0x10 [ 41.957470] ? find_held_lock+0x2b/0x80 [ 41.958104] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 41.958905] ? static_key_count+0x60/0x80 [ 41.959540] prctl_set_seccomp+0x4e/0x70 [ 41.960185] __do_sys_prctl+0xe6c/0x1d70 [ 41.960840] ? __pfx___do_sys_prctl+0x10/0x10 [ 41.961521] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 41.962337] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 41.963145] ? irqentry_exit+0xf3/0x650 [ 41.963805] do_syscall_64+0xbf/0x430 [ 41.964387] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 41.965187] RIP: 0033:0x7fc943ec65cd [ 41.965780] 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 [ 41.968416] RSP: 002b:00007fffd137da80 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 41.969553] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fc943ec65cd [ 41.970629] RDX: 0000556d2c37ae00 RSI: 0000000000000002 RDI: 0000000000000016 [ 41.971704] RBP: 00007fffd137dae0 R08: 0000000000000000 R09: 00007fffd137d180 [ 41.972781] R10: 0000000000000000 R11: 0000000000000246 R12: 0000556d6437fad0 [ 41.973853] R13: 00007fffd137df10 R14: 0000556d64380bc0 R15: 0000556d64391780 [ 41.974950] [ 41.975304] irq event stamp: 1795 [ 41.975856] hardirqs last enabled at (1805): [] __up_console_sem+0x78/0x80 [ 41.977121] hardirqs last disabled at (1814): [] __up_console_sem+0x5d/0x80 [ 41.978389] softirqs last enabled at (1764): [] handle_softirqs+0x50c/0x770 [ 41.979693] softirqs last disabled at (1759): [] __irq_exit_rcu+0xc4/0x100 [ 41.980954] ---[ end trace 0000000000000000 ]--- [ 42.699123] ------------[ cut here ]------------ [ 42.699944] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.701684] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/250 [ 42.702937] Modules linked in: [ 42.703454] CPU: 1 UID: 104 PID: 250 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 42.705147] Tainted: [W]=WARN [ 42.705659] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.706926] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.707724] 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 [ 42.710445] RSP: 0018:ffff888016f0fbc0 EFLAGS: 00010286 [ 42.711280] RAX: 0000000000000000 RBX: ffffed1002de1f78 RCX: ffffffff813a4050 [ 42.712388] RDX: ffff888016fd0000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.713489] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002de1f2f [ 42.714599] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.715726] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888016f0fdf8 [ 42.716829] FS: 00007f4556126900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 42.718063] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.718972] CR2: 00007f4556618580 CR3: 000000000c391000 CR4: 0000000000350ef0 [ 42.720085] Call Trace: [ 42.720491] [ 42.720875] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.721643] ? __create_object+0x59/0x80 [ 42.722278] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.723108] __vmalloc_noprof+0x59/0x60 [ 42.723763] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.724479] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.725269] bpf_prog_alloc+0x39/0x200 [ 42.725902] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.726693] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.727434] do_seccomp+0x349/0x25e0 [ 42.728037] ? __pfx_css_rstat_updated+0x10/0x10 [ 42.728808] ? __pfx_do_seccomp+0x10/0x10 [ 42.729449] ? find_held_lock+0x2b/0x80 [ 42.730094] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.730925] ? static_key_count+0x60/0x80 [ 42.731579] prctl_set_seccomp+0x4e/0x70 [ 42.732244] __do_sys_prctl+0xe6c/0x1d70 [ 42.732917] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.733649] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.734442] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.735261] ? irqentry_exit+0xf3/0x650 [ 42.735929] do_syscall_64+0xbf/0x430 [ 42.736522] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.737328] RIP: 0033:0x7f45566185cd [ 42.737931] 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 [ 42.740656] RSP: 002b:00007ffd7a1b0650 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.741822] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f45566185cd [ 42.742912] RDX: 000055f396cdfe00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.744006] RBP: 00007ffd7a1b06b0 R08: 0000000000000000 R09: 00007ffd7a1afd50 [ 42.745076] R10: 0000000000000000 R11: 0000000000000246 R12: 000055f3d4608ad0 [ 42.746137] R13: 00007ffd7a1b0ae0 R14: 000055f3d4609bc0 R15: 000055f3d461a780 [ 42.747217] [ 42.747576] irq event stamp: 1717 [ 42.748121] hardirqs last enabled at (1727): [] __up_console_sem+0x78/0x80 [ 42.749384] hardirqs last disabled at (1736): [] __up_console_sem+0x5d/0x80 [ 42.750644] softirqs last enabled at (1334): [] handle_softirqs+0x50c/0x770 [ 42.751931] softirqs last disabled at (1319): [] __irq_exit_rcu+0xc4/0x100 [ 42.753181] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:38202' (ECDSA) to the list of known hosts. 2025/11/19 07:21:25 fuzzer started 2025/11/19 07:21:26 dialing manager at localhost:34383 2025/11/19 07:21:26 checking machine... 2025/11/19 07:21:26 checking revisions... [ 43.641004] kmemleak: Automatic memory scanning thread ended 2025/11/19 07:21:26 testing simple program... [ 43.736144] cgroup: Unknown subsys name 'net' [ 43.802771] cgroup: Unknown subsys name 'cpuset' [ 43.815290] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program VM DIAGNOSIS: 07:21:25 Registers: info registers vcpu 0 RAX=0000000000000000 RBX=ffff888018a0ff18 RCX=0000000000000001 RDX=0000000000000000 RSI=ffffffff8135e7a2 RDI=ffffffff85e1ffe0 RBP=ffffffff85e1ffe0 RSP=ffff888018a0f660 R8 =0000000000000001 R9 =ffff888018a0f758 R10=000000000003c9ed R11=00000000000231c0 R12=ffffffff8135e7a2 R13=ffff888018a0f760 R14=ffff888018a0fee8 R15=ffff888018a0f718 RIP=ffffffff81528efc RFL=00000247 [---Z-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 00007fc9439d4900 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe6b00000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007fc943999008 CR3=0000000009dc9000 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=00000000000231a9 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 fffffe1900000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f112b32a218 CR3=000000000d40e000 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=31323a373020393120766f4e3e36383c XMM01=7365733a646873732878696e755f6d61 XMM02=736f6c63206e6f6973736573203a296e XMM03=5f6d6170203a5d3134325b6468737320 XMM04=6456774875434142334f726f59427469 XMM05=485320415352203a3268737320343438 XMM06=206d6f726620746f6f7220726f662079 XMM07=00000000000000000000000000000000 XMM08=3a677562656420676f6c737973720000 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000