syzkaller login: [ 39.060517] ------------[ cut here ]------------ [ 39.061399] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 39.063384] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/233 [ 39.064867] Modules linked in: [ 39.065444] CPU: 1 UID: 104 PID: 233 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 39.067442] Tainted: [W]=WARN [ 39.068033] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 39.069502] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 39.070368] 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 [ 39.073597] RSP: 0018:ffff88801c157bc0 EFLAGS: 00010286 [ 39.074593] RAX: 0000000000000000 RBX: ffffed100382af78 RCX: ffffffff813a4050 [ 39.075877] RDX: ffff888017613780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 39.077176] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed100382af2f [ 39.078475] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 39.079756] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801c157df8 [ 39.081055] FS: 00007fc939418900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 39.082498] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 39.083567] CR2: 00007fff02842ef7 CR3: 000000000d5db000 CR4: 0000000000350ef0 [ 39.084871] Call Trace: [ 39.085335] [ 39.085789] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 39.086694] ? __create_object+0x59/0x80 [ 39.087434] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.088418] __vmalloc_noprof+0x59/0x60 [ 39.089208] bpf_prog_alloc_no_stats+0x55/0x470 [ 39.090082] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.091021] bpf_prog_alloc+0x39/0x200 [ 39.091768] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.092745] bpf_prog_create_from_user+0xb2/0x2f0 [ 39.093668] do_seccomp+0x349/0x25e0 [ 39.094346] ? find_held_lock+0x2b/0x80 [ 39.095114] ? do_prlimit+0x310/0x610 [ 39.095865] ? __pfx_do_seccomp+0x10/0x10 [ 39.096667] ? do_raw_spin_unlock+0x53/0x220 [ 39.097509] ? _raw_spin_unlock+0x1e/0x40 [ 39.098257] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 39.099221] ? static_key_count+0x60/0x80 [ 39.100019] prctl_set_seccomp+0x4e/0x70 [ 39.100827] __do_sys_prctl+0xe6c/0x1d70 [ 39.101617] ? __pfx___do_sys_prctl+0x10/0x10 [ 39.102434] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 39.103419] ? irqentry_exit+0xf3/0x650 [ 39.104198] do_syscall_64+0xbf/0x430 [ 39.104945] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 39.105928] RIP: 0033:0x7fc93990a5cd [ 39.106646] 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 [ 39.109826] RSP: 002b:00007fff02841b30 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 39.111214] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fc93990a5cd [ 39.112506] RDX: 000055776e9bae00 RSI: 0000000000000002 RDI: 0000000000000016 [ 39.113817] RBP: 00007fff02841b90 R08: 0000000000000000 R09: 00007fff02841230 [ 39.115122] R10: 0000000000000000 R11: 0000000000000246 R12: 0000557786a632b0 [ 39.116421] R13: 00007fff02841fc0 R14: 0000557786a65d20 R15: 0000557786a778d0 [ 39.117799] [ 39.118224] irq event stamp: 1799 [ 39.118883] hardirqs last enabled at (1809): [] __up_console_sem+0x78/0x80 [ 39.120414] hardirqs last disabled at (1818): [] __up_console_sem+0x5d/0x80 [ 39.121972] softirqs last enabled at (1788): [] handle_softirqs+0x50c/0x770 [ 39.123511] softirqs last disabled at (1783): [] __irq_exit_rcu+0xc4/0x100 [ 39.125041] ---[ end trace 0000000000000000 ]--- [ 42.026666] ------------[ cut here ]------------ [ 42.027629] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.029620] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/241 [ 42.031132] Modules linked in: [ 42.031803] CPU: 0 UID: 104 PID: 241 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 42.033795] Tainted: [W]=WARN [ 42.034346] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.035819] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.036759] 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 [ 42.039970] RSP: 0018:ffff8880186dfbc0 EFLAGS: 00010286 [ 42.040966] RAX: 0000000000000000 RBX: ffffed10030dbf78 RCX: ffffffff813a4050 [ 42.042253] RDX: ffff88801a868000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.043548] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed10030dbf2f [ 42.044842] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.046117] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff8880186dfdf8 [ 42.047418] FS: 00007fd21bf87900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 42.048899] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.049951] CR2: 00007ffc1a4b4ef7 CR3: 000000000e00a000 CR4: 0000000000350ef0 [ 42.051243] Call Trace: [ 42.051768] [ 42.052281] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.053506] ? __create_object+0x59/0x80 [ 42.054525] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.055750] __vmalloc_noprof+0x59/0x60 [ 42.056547] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.057439] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.058414] bpf_prog_alloc+0x39/0x200 [ 42.059223] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.060199] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.061117] do_seccomp+0x349/0x25e0 [ 42.061851] ? find_held_lock+0x2b/0x80 [ 42.062621] ? do_prlimit+0x310/0x610 [ 42.063337] ? __pfx_do_seccomp+0x10/0x10 [ 42.064125] ? do_raw_spin_unlock+0x53/0x220 [ 42.064981] ? _raw_spin_unlock+0x1e/0x40 [ 42.065778] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.066740] ? static_key_count+0x60/0x80 [ 42.067529] prctl_set_seccomp+0x4e/0x70 [ 42.068252] __do_sys_prctl+0xe6c/0x1d70 [ 42.069041] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.069913] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.070888] ? irqentry_exit+0xf3/0x650 [ 42.071647] do_syscall_64+0xbf/0x430 [ 42.072348] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.073309] RIP: 0033:0x7fd21c4795cd [ 42.074009] 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 [ 42.077336] RSP: 002b:00007ffc1a4b2da0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.078806] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fd21c4795cd [ 42.080435] RDX: 000055fd844b7e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.082129] RBP: 00007ffc1a4b2e00 R08: 0000000000000000 R09: 00007ffc1a4b24a0 [ 42.083753] R10: 0000000000000000 R11: 0000000000000246 R12: 000055fdc1532240 [ 42.085396] R13: 00007ffc1a4b3230 R14: 000055fdc153b380 R15: 000055fdc1546540 [ 42.087052] [ 42.087655] irq event stamp: 1767 [ 42.088422] hardirqs last enabled at (1775): [] __up_console_sem+0x78/0x80 [ 42.090490] hardirqs last disabled at (1786): [] __up_console_sem+0x5d/0x80 [ 42.092412] softirqs last enabled at (1718): [] handle_softirqs+0x50c/0x770 [ 42.094390] softirqs last disabled at (1713): [] __irq_exit_rcu+0xc4/0x100 [ 42.096342] ---[ end trace 0000000000000000 ]--- [ 42.887491] ------------[ cut here ]------------ [ 42.888379] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.890532] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/248 [ 42.891977] Modules linked in: [ 42.892843] CPU: 0 UID: 104 PID: 248 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 42.894870] Tainted: [W]=WARN [ 42.895522] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.897073] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.897999] 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 [ 42.901244] RSP: 0018:ffff888017ce7bc0 EFLAGS: 00010286 [ 42.902247] RAX: 0000000000000000 RBX: ffffed1002f9cf78 RCX: ffffffff813a4050 [ 42.903567] RDX: ffff88801a86d340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.904890] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002f9cf2f [ 42.906272] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.907641] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888017ce7df8 [ 42.908980] FS: 00007f697a608900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 42.910478] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.911576] CR2: 00007ffe25a9def7 CR3: 000000000d646000 CR4: 0000000000350ef0 [ 42.912993] Call Trace: [ 42.913515] [ 42.913923] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.914855] ? __create_object+0x59/0x80 [ 42.915645] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.916617] __vmalloc_noprof+0x59/0x60 [ 42.917332] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.918235] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.919162] bpf_prog_alloc+0x39/0x200 [ 42.919893] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.920860] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.921774] do_seccomp+0x349/0x25e0 [ 42.922524] ? find_held_lock+0x2b/0x80 [ 42.923249] ? do_prlimit+0x310/0x610 [ 42.923995] ? __pfx_do_seccomp+0x10/0x10 [ 42.924825] ? do_raw_spin_unlock+0x53/0x220 [ 42.925681] ? _raw_spin_unlock+0x1e/0x40 [ 42.926495] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.927424] ? static_key_count+0x60/0x80 [ 42.928258] prctl_set_seccomp+0x4e/0x70 [ 42.929063] __do_sys_prctl+0xe6c/0x1d70 [ 42.929853] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.930746] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.931726] ? irqentry_exit+0xf3/0x650 [ 42.932526] do_syscall_64+0xbf/0x430 [ 42.933240] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.934223] RIP: 0033:0x7f697aafa5cd [ 42.934928] 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 [ 42.938160] RSP: 002b:00007ffe25a9c100 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.939534] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f697aafa5cd [ 42.940871] RDX: 000055ab037f8e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.942188] RBP: 00007ffe25a9c160 R08: 0000000000000000 R09: 00007ffe25a9b800 [ 42.943489] R10: 0000000000000000 R11: 0000000000000246 R12: 000055ab0cf75ad0 [ 42.944821] R13: 00007ffe25a9c590 R14: 000055ab0cf76bc0 R15: 000055ab0cf87780 [ 42.946152] [ 42.946622] irq event stamp: 1831 [ 42.947229] hardirqs last enabled at (1839): [] __up_console_sem+0x78/0x80 [ 42.948798] hardirqs last disabled at (1848): [] __up_console_sem+0x5d/0x80 [ 42.950359] softirqs last enabled at (1636): [] handle_softirqs+0x50c/0x770 [ 42.951916] softirqs last disabled at (1631): [] __irq_exit_rcu+0xc4/0x100 [ 42.953436] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:14199' (ECDSA) to the list of known hosts. 2025/11/19 06:17:11 fuzzer started 2025/11/19 06:17:12 dialing manager at localhost:34383 2025/11/19 06:17:12 checking machine... 2025/11/19 06:17:12 checking revisions... [ 43.874776] kmemleak: Automatic memory scanning thread ended 2025/11/19 06:17:12 testing simple program... [ 43.961947] cgroup: Unknown subsys name 'net' [ 44.029003] cgroup: Unknown subsys name 'cpuset' [ 44.046728] cgroup: Unknown subsys name 'rlimit' executing program executing program VM DIAGNOSIS: 06:17:11 Registers: info registers vcpu 0 RAX=dffffc0000000000 RBX=ffff888017b23780 RCX=ffff88806ce08974 RDX=0000000000000000 RSI=ffffffff8135e4bd RDI=ffff888017b23b7c RBP=ffff888017b23780 RSP=ffff88806ce08998 R8 =0000000000000001 R9 =ffff88806ce08a60 R10=000000000003c9ed R11=000000000000e7e5 R12=0000000000000000 R13=ffff88806ce08a68 R14=ffff888017b23780 R15=ffff88806ce08a20 RIP=ffffffff815bd7a7 RFL=00000217 [----APC] 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 00007fd21bf87900 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe3b00000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007fd21bf66020 CR3=000000000e03f000 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=0000000000000000 RBX=0000000000000053 RCX=ffffffff83ccc2fe RDX=ffff8880166f8000 RSI=0000000000000053 RDI=0000000000000004 RBP=0000000000000053 RSP=ffff8880166878f0 R8 =0000000000000000 R9 =ffffed1002cc460a R10=0000000000000053 R11=0000000000000001 R12=0000000000000053 R13=0000000000000053 R14=0000000000000053 R15=ffff88801fbad000 RIP=ffffffff81751e00 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 00007fc6f3024700 00000000 00000000 GS =0000 ffff8880e548f000 00000000 00000000 LDT=0000 fffffe0e00000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f91c85210a0 CR3=000000000bad9000 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=6d6f72662064657463656e6e6f637369 XMM02=2e303120746f6f722072657375206d6f XMM03=3a5d3034325b646873732031313a3731 XMM04=6456774875434142334f726f59427469 XMM05=485320415352203a3268737320383634 XMM06=206d6f726620746f6f7220726f662079 XMM07=00000000000000000000000000000000 XMM08=3a677562656420676f6c737973720000 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000