syzkaller login: [ 39.231953] ------------[ cut here ]------------ [ 39.232883] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 39.234857] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/231 [ 39.236301] Modules linked in: [ 39.236907] CPU: 0 UID: 104 PID: 231 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 39.238917] Tainted: [W]=WARN [ 39.240006] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 39.241478] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 39.242372] 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 [ 39.245523] RSP: 0018:ffff88801b447bc0 EFLAGS: 00010286 [ 39.246503] RAX: 0000000000000000 RBX: ffffed1003688f78 RCX: ffffffff813a4050 [ 39.247828] RDX: ffff88801641b780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 39.249094] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1003688f2f [ 39.250377] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 39.251649] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801b447df8 [ 39.252937] FS: 00007fd409c79900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 39.254377] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 39.255434] CR2: 00007fd40a1df4a6 CR3: 000000000ba8f000 CR4: 0000000000350ef0 [ 39.256705] Call Trace: [ 39.257161] [ 39.257619] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 39.258524] ? __create_object+0x59/0x80 [ 39.259262] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.260231] __vmalloc_noprof+0x59/0x60 [ 39.260972] bpf_prog_alloc_no_stats+0x55/0x470 [ 39.261851] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.262782] bpf_prog_alloc+0x39/0x200 [ 39.263510] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.264433] bpf_prog_create_from_user+0xb2/0x2f0 [ 39.265285] do_seccomp+0x349/0x25e0 [ 39.265993] ? find_held_lock+0x2b/0x80 [ 39.266737] ? do_prlimit+0x310/0x610 [ 39.267500] ? __pfx_do_seccomp+0x10/0x10 [ 39.268235] ? do_raw_spin_unlock+0x53/0x220 [ 39.269060] ? _raw_spin_unlock+0x1e/0x40 [ 39.269822] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 39.270778] ? static_key_count+0x60/0x80 [ 39.271592] prctl_set_seccomp+0x4e/0x70 [ 39.272314] __do_sys_prctl+0xe6c/0x1d70 [ 39.273088] ? __pfx___do_sys_prctl+0x10/0x10 [ 39.273945] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 39.274907] ? irqentry_exit+0xf3/0x650 [ 39.275679] do_syscall_64+0xbf/0x430 [ 39.276410] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 39.277307] RIP: 0033:0x7fd40a16b5cd [ 39.278004] 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 [ 39.281158] RSP: 002b:00007ffd47f99020 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 39.282523] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fd40a16b5cd [ 39.283822] RDX: 0000557699dece00 RSI: 0000000000000002 RDI: 0000000000000016 [ 39.285086] RBP: 00007ffd47f99080 R08: 0000000000000000 R09: 00007ffd47f98720 [ 39.286370] R10: 0000000000000000 R11: 0000000000000246 R12: 00005576cd35cb10 [ 39.287660] R13: 00007ffd47f994b0 R14: 00005576cd35d2b0 R15: 00005576cd3716f0 [ 39.288941] [ 39.289394] irq event stamp: 1743 [ 39.289991] hardirqs last enabled at (1751): [] __up_console_sem+0x78/0x80 [ 39.291522] hardirqs last disabled at (1760): [] __up_console_sem+0x5d/0x80 [ 39.293025] softirqs last enabled at (1326): [] handle_softirqs+0x50c/0x770 [ 39.294542] softirqs last disabled at (1315): [] __irq_exit_rcu+0xc4/0x100 [ 39.296057] ---[ end trace 0000000000000000 ]--- [ 42.424010] ------------[ cut here ]------------ [ 42.425040] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.427261] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/240 [ 42.428931] Modules linked in: [ 42.429648] CPU: 0 UID: 104 PID: 240 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 42.431908] Tainted: [W]=WARN [ 42.432573] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.434235] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.435273] 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 [ 42.438853] RSP: 0018:ffff888016e1fbc0 EFLAGS: 00010286 [ 42.439957] RAX: 0000000000000000 RBX: ffffed1002dc3f78 RCX: ffffffff813a4050 [ 42.441408] RDX: ffff8880140c1bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.442849] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002dc3f2f [ 42.444304] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.445743] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888016e1fdf8 [ 42.447190] FS: 00007f8fe72ec900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 42.448790] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.449966] CR2: 00007ffed9d2eef7 CR3: 000000001ed08000 CR4: 0000000000350ef0 [ 42.451412] Call Trace: [ 42.451926] [ 42.452429] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.453424] ? __create_object+0x59/0x80 [ 42.454241] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.455314] __vmalloc_noprof+0x59/0x60 [ 42.456108] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.457030] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.458021] bpf_prog_alloc+0x39/0x200 [ 42.458805] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.459799] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.460754] do_seccomp+0x349/0x25e0 [ 42.461518] ? find_held_lock+0x2b/0x80 [ 42.462270] ? do_prlimit+0x310/0x610 [ 42.463065] ? __pfx_do_seccomp+0x10/0x10 [ 42.463901] ? do_raw_spin_unlock+0x53/0x220 [ 42.464788] ? _raw_spin_unlock+0x1e/0x40 [ 42.465611] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.466620] ? static_key_count+0x60/0x80 [ 42.467477] prctl_set_seccomp+0x4e/0x70 [ 42.468243] __do_sys_prctl+0xe6c/0x1d70 [ 42.469065] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.469970] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.470985] ? irqentry_exit+0xf3/0x650 [ 42.471802] do_syscall_64+0xbf/0x430 [ 42.472564] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.473552] RIP: 0033:0x7f8fe77de5cd [ 42.474252] 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 [ 42.477522] RSP: 002b:00007ffed9d2c380 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.478944] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f8fe77de5cd [ 42.480287] RDX: 000055f204c55e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.481628] RBP: 00007ffed9d2c3e0 R08: 0000000000000000 R09: 00007ffed9d2ba80 [ 42.482964] R10: 0000000000000000 R11: 0000000000000246 R12: 000055f22c11a240 [ 42.484297] R13: 00007ffed9d2c810 R14: 000055f22c119bf0 R15: 000055f22c12e4d0 [ 42.485641] [ 42.486074] irq event stamp: 1707 [ 42.486733] hardirqs last enabled at (1717): [] __up_console_sem+0x78/0x80 [ 42.488304] hardirqs last disabled at (1726): [] __up_console_sem+0x5d/0x80 [ 42.489919] softirqs last enabled at (1656): [] handle_softirqs+0x50c/0x770 [ 42.491524] softirqs last disabled at (1651): [] __irq_exit_rcu+0xc4/0x100 [ 42.493107] ---[ end trace 0000000000000000 ]--- [ 43.262678] ------------[ cut here ]------------ [ 43.263636] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 43.265654] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/249 [ 43.267135] Modules linked in: [ 43.267767] CPU: 0 UID: 104 PID: 249 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 43.269813] Tainted: [W]=WARN [ 43.270419] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 43.271932] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 43.272846] 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 [ 43.276031] RSP: 0018:ffff888016dd7bc0 EFLAGS: 00010286 [ 43.277010] RAX: 0000000000000000 RBX: ffffed1002dbaf78 RCX: ffffffff813a4050 [ 43.278283] RDX: ffff88801a431bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 43.279589] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002dbaf2f [ 43.280873] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 43.282159] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888016dd7df8 [ 43.283472] FS: 00007f8e61c8d900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 43.284896] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 43.285972] CR2: 00007ffdd7ba8ef7 CR3: 000000000e3f8000 CR4: 0000000000350ef0 [ 43.287266] Call Trace: [ 43.287764] [ 43.288180] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 43.289081] ? __create_object+0x59/0x80 [ 43.289856] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 43.290827] __vmalloc_noprof+0x59/0x60 [ 43.291594] bpf_prog_alloc_no_stats+0x55/0x470 [ 43.292463] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.293414] bpf_prog_alloc+0x39/0x200 [ 43.294100] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.295046] bpf_prog_create_from_user+0xb2/0x2f0 [ 43.295950] do_seccomp+0x349/0x25e0 [ 43.296668] ? find_held_lock+0x2b/0x80 [ 43.297420] ? do_prlimit+0x310/0x610 [ 43.298123] ? __pfx_do_seccomp+0x10/0x10 [ 43.298909] ? do_raw_spin_unlock+0x53/0x220 [ 43.299774] ? _raw_spin_unlock+0x1e/0x40 [ 43.300545] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 43.301527] ? static_key_count+0x60/0x80 [ 43.302288] prctl_set_seccomp+0x4e/0x70 [ 43.303086] __do_sys_prctl+0xe6c/0x1d70 [ 43.303877] ? __pfx___do_sys_prctl+0x10/0x10 [ 43.304750] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 43.305728] ? irqentry_exit+0xf3/0x650 [ 43.306502] do_syscall_64+0xbf/0x430 [ 43.307208] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 43.308156] RIP: 0033:0x7f8e6217f5cd [ 43.308868] 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 [ 43.312088] RSP: 002b:00007ffdd7ba78b0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 43.313456] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f8e6217f5cd [ 43.314751] RDX: 0000559207b20e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 43.316064] RBP: 00007ffdd7ba7910 R08: 0000000000000000 R09: 00007ffdd7ba6fb0 [ 43.317360] R10: 0000000000000000 R11: 0000000000000246 R12: 0000559236e0bad0 [ 43.318648] R13: 00007ffdd7ba7d40 R14: 0000559236e0cbc0 R15: 0000559236e1d780 [ 43.319961] [ 43.320413] irq event stamp: 1725 [ 43.321025] hardirqs last enabled at (1733): [] __up_console_sem+0x78/0x80 [ 43.322554] hardirqs last disabled at (1742): [] __up_console_sem+0x5d/0x80 [ 43.324097] softirqs last enabled at (1540): [] handle_softirqs+0x50c/0x770 [ 43.325658] softirqs last disabled at (1535): [] __irq_exit_rcu+0xc4/0x100 [ 43.327201] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:15092' (ECDSA) to the list of known hosts. 2025/11/18 14:48:13 fuzzer started 2025/11/18 14:48:13 dialing manager at localhost:34383 2025/11/18 14:48:13 checking machine... 2025/11/18 14:48:13 checking revisions... [ 44.409710] kmemleak: Automatic memory scanning thread ended 2025/11/18 14:48:13 testing simple program... [ 44.496937] cgroup: Unknown subsys name 'net' [ 44.559550] cgroup: Unknown subsys name 'cpuset' [ 44.573192] cgroup: Unknown subsys name 'rlimit' executing program executing program VM DIAGNOSIS: 14:48:12 Registers: info registers vcpu 0 RAX=0000000000000000 RBX=ffff8880142c7bc0 RCX=ffffffff84c1c2a3 RDX=ffff8880140c3780 RSI=ffffffff84c1c2b1 RDI=ffff8880142c7a20 RBP=0000000000000000 RSP=ffff8880142c7970 R8 =1ffff11002858f82 R9 =ffffed10027f1010 R10=0000000000000000 R11=0000000000000001 R12=0000000000000000 R13=ffff8880142c7a20 R14=dffffc0000000000 R15=ffff888013f88000 RIP=ffffffff84c18b76 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 00007f8fe72ec900 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe7c00000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f8fe72b6008 CR3=000000001ed7d000 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=0000000000000005 RBX=ffff888016418000 RCX=ffffffff87d10978 RDX=0000000000000001 RSI=0000000000000000 RDI=0000000000000002 RBP=ffff888016418a58 RSP=ffff888016417458 R8 =0000000000000000 R9 =0000000000000005 R10=0000000000000001 R11=0000000000000000 R12=ffff888016418aa8 R13=0000000000000001 R14=0000000000000000 R15=0000000000000004 RIP=ffffffff815271e1 RFL=00000007 [-----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 00007f8c9cf83900 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=00007f8c9c69c020 CR3=000000000df47000 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=ffffffffffffffffffffffffffffffff XMM01=30306234386136303638616663356134 XMM02=38303062343861363036386166633561 XMM03=2f6c616e72756f6a2f676f6c2f6e7572 XMM04=906e046a3f853b4700000000000ae988 XMM05=766fb296363f6b220000000000323290 XMM06=0d18b2538ff6b5e60000000000321318 XMM07=00000000000000000000000000000000 XMM08=415453454d49545f454d49544c414552 XMM09=00000000000000000000000000000000 XMM10=20200000000020202020202020200000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000