syzkaller login: [ 46.797768] ------------[ cut here ]------------ [ 46.798696] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 46.800718] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/235 [ 46.802327] Modules linked in: [ 46.802923] CPU: 0 UID: 104 PID: 235 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 46.804911] Tainted: [W]=WARN [ 46.805511] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 46.806982] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 46.807910] 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 [ 46.811085] RSP: 0018:ffff888016ecfbc0 EFLAGS: 00010286 [ 46.812078] RAX: 0000000000000000 RBX: ffffed1002dd9f78 RCX: ffffffff813a4050 [ 46.813379] RDX: ffff88800f3b0000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 46.814665] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002dd9f2f [ 46.815963] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 46.817247] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888016ecfdf8 [ 46.818535] FS: 00007fa9b94e7900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 46.819997] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 46.821077] CR2: 00007fff576f6ef7 CR3: 000000000da39000 CR4: 0000000000350ef0 [ 46.822381] Call Trace: [ 46.822852] [ 46.823298] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 46.824221] ? __create_object+0x59/0x80 [ 46.824959] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 46.825927] __vmalloc_noprof+0x59/0x60 [ 46.826683] bpf_prog_alloc_no_stats+0x55/0x470 [ 46.827558] ? __pfx_seccomp_check_filter+0x10/0x10 [ 46.828486] bpf_prog_alloc+0x39/0x200 [ 46.829219] ? __pfx_seccomp_check_filter+0x10/0x10 [ 46.830131] bpf_prog_create_from_user+0xb2/0x2f0 [ 46.830978] do_seccomp+0x349/0x25e0 [ 46.831695] ? find_held_lock+0x2b/0x80 [ 46.832444] ? do_prlimit+0x310/0x610 [ 46.833186] ? __pfx_do_seccomp+0x10/0x10 [ 46.833930] ? do_raw_spin_unlock+0x53/0x220 [ 46.834760] ? _raw_spin_unlock+0x1e/0x40 [ 46.835528] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 46.836883] ? static_key_count+0x60/0x80 [ 46.837677] prctl_set_seccomp+0x4e/0x70 [ 46.838447] __do_sys_prctl+0xe6c/0x1d70 [ 46.839222] ? __pfx___do_sys_prctl+0x10/0x10 [ 46.840088] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 46.840986] ? irqentry_exit+0xf3/0x650 [ 46.841739] do_syscall_64+0xbf/0x430 [ 46.842471] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 46.843416] RIP: 0033:0x7fa9b99d95cd [ 46.844131] 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 [ 46.847258] RSP: 002b:00007fff576f4820 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 46.848634] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fa9b99d95cd [ 46.849894] RDX: 000055678cc41e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 46.851156] RBP: 00007fff576f4880 R08: 0000000000000000 R09: 00007fff576f3f20 [ 46.852455] R10: 0000000000000000 R11: 0000000000000246 R12: 00005567a46efb10 [ 46.853729] R13: 00007fff576f4cb0 R14: 00005567a46f02b0 R15: 00005567a47046f0 [ 46.855048] [ 46.855475] irq event stamp: 1803 [ 46.856130] hardirqs last enabled at (1813): [] __up_console_sem+0x78/0x80 [ 46.857647] hardirqs last disabled at (1822): [] __up_console_sem+0x5d/0x80 [ 46.859152] softirqs last enabled at (1780): [] handle_softirqs+0x50c/0x770 [ 46.860680] softirqs last disabled at (1775): [] __irq_exit_rcu+0xc4/0x100 [ 46.862181] ---[ end trace 0000000000000000 ]--- [ 50.257331] ------------[ cut here ]------------ [ 50.258322] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 50.260425] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/242 [ 50.261955] Modules linked in: [ 50.262621] CPU: 1 UID: 104 PID: 242 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 50.264980] Tainted: [W]=WARN [ 50.265684] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 50.267237] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 50.268204] 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 [ 50.271557] RSP: 0018:ffff888018e97bc0 EFLAGS: 00010286 [ 50.272590] RAX: 0000000000000000 RBX: ffffed10031d2f78 RCX: ffffffff813a4050 [ 50.273936] RDX: ffff88801610d340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 50.275299] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed10031d2f2f [ 50.276667] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 50.278038] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888018e97df8 [ 50.279426] FS: 00007fc09754c900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 50.280968] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.282098] CR2: 00007fc097ab24a6 CR3: 000000000c0fc000 CR4: 0000000000350ef0 [ 50.283478] Call Trace: [ 50.283987] [ 50.284467] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 50.285420] ? __create_object+0x59/0x80 [ 50.286263] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 50.287301] __vmalloc_noprof+0x59/0x60 [ 50.288128] bpf_prog_alloc_no_stats+0x55/0x470 [ 50.289063] ? __pfx_seccomp_check_filter+0x10/0x10 [ 50.290066] bpf_prog_alloc+0x39/0x200 [ 50.290812] ? __pfx_seccomp_check_filter+0x10/0x10 [ 50.291819] bpf_prog_create_from_user+0xb2/0x2f0 [ 50.292787] do_seccomp+0x349/0x25e0 [ 50.293549] ? find_held_lock+0x2b/0x80 [ 50.294369] ? do_prlimit+0x310/0x610 [ 50.295157] ? __pfx_do_seccomp+0x10/0x10 [ 50.295964] ? do_raw_spin_unlock+0x53/0x220 [ 50.296858] ? _raw_spin_unlock+0x1e/0x40 [ 50.297703] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 50.298745] ? static_key_count+0x60/0x80 [ 50.299618] prctl_set_seccomp+0x4e/0x70 [ 50.300472] __do_sys_prctl+0xe6c/0x1d70 [ 50.301324] ? __pfx___do_sys_prctl+0x10/0x10 [ 50.302258] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 50.303305] ? irqentry_exit+0xf3/0x650 [ 50.304161] do_syscall_64+0xbf/0x430 [ 50.304921] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 50.305953] RIP: 0033:0x7fc097a3e5cd [ 50.306706] 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 [ 50.310134] RSP: 002b:00007ffea9ebb180 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 50.311631] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fc097a3e5cd [ 50.313041] RDX: 0000556180b01e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 50.314424] RBP: 00007ffea9ebb1e0 R08: 0000000000000000 R09: 00007ffea9eba880 [ 50.315821] R10: 0000000000000000 R11: 0000000000000246 R12: 00005561a1cd7ad0 [ 50.317208] R13: 00007ffea9ebb610 R14: 00005561a1cd8bc0 R15: 00005561a1ce9780 [ 50.318615] [ 50.319109] irq event stamp: 1821 [ 50.319773] hardirqs last enabled at (1829): [] __up_console_sem+0x78/0x80 [ 50.321413] hardirqs last disabled at (1838): [] __up_console_sem+0x5d/0x80 [ 50.323059] softirqs last enabled at (1634): [] handle_softirqs+0x50c/0x770 [ 50.324742] softirqs last disabled at (1629): [] __irq_exit_rcu+0xc4/0x100 [ 50.326130] ---[ end trace 0000000000000000 ]--- [ 51.091960] ------------[ cut here ]------------ [ 51.092867] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 51.094894] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/249 [ 51.096434] Modules linked in: [ 51.097077] CPU: 0 UID: 104 PID: 249 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 51.099059] Tainted: [W]=WARN [ 51.099606] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 51.101084] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 51.101963] 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 [ 51.105130] RSP: 0018:ffff88801751fbc0 EFLAGS: 00010286 [ 51.106101] RAX: 0000000000000000 RBX: ffffed1002ea3f78 RCX: ffffffff813a4050 [ 51.107410] RDX: ffff888016813780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 51.108742] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002ea3f2f [ 51.110030] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 51.111311] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801751fdf8 [ 51.112598] FS: 00007ff997637900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 51.114055] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 51.115126] CR2: 00007ffec79e2ef7 CR3: 000000000c25d000 CR4: 0000000000350ef0 [ 51.116432] Call Trace: [ 51.116897] [ 51.117348] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 51.118252] ? __create_object+0x59/0x80 [ 51.118991] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 51.119980] __vmalloc_noprof+0x59/0x60 [ 51.120752] bpf_prog_alloc_no_stats+0x55/0x470 [ 51.121624] ? __pfx_seccomp_check_filter+0x10/0x10 [ 51.122566] bpf_prog_alloc+0x39/0x200 [ 51.123307] ? __pfx_seccomp_check_filter+0x10/0x10 [ 51.124252] bpf_prog_create_from_user+0xb2/0x2f0 [ 51.125168] do_seccomp+0x349/0x25e0 [ 51.125851] ? find_held_lock+0x2b/0x80 [ 51.126612] ? do_prlimit+0x310/0x610 [ 51.127341] ? __pfx_do_seccomp+0x10/0x10 [ 51.128146] ? do_raw_spin_unlock+0x53/0x220 [ 51.128930] ? _raw_spin_unlock+0x1e/0x40 [ 51.129705] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 51.130669] ? static_key_count+0x60/0x80 [ 51.131462] prctl_set_seccomp+0x4e/0x70 [ 51.132258] __do_sys_prctl+0xe6c/0x1d70 [ 51.132990] ? __pfx___do_sys_prctl+0x10/0x10 [ 51.133850] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 51.134823] ? irqentry_exit+0xf3/0x650 [ 51.135592] do_syscall_64+0xbf/0x430 [ 51.136352] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 51.137310] RIP: 0033:0x7ff997b295cd [ 51.137972] 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 [ 51.141144] RSP: 002b:00007ffec79e1bb0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 51.142493] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ff997b295cd [ 51.143784] RDX: 00005641e97f2e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 51.145062] RBP: 00007ffec79e1c10 R08: 0000000000000000 R09: 00007ffec79e12b0 [ 51.146349] R10: 0000000000000000 R11: 0000000000000246 R12: 00005641fce642b0 [ 51.147633] R13: 00007ffec79e2040 R14: 00005641fce66d20 R15: 00005641fce788d0 [ 51.148941] [ 51.149408] irq event stamp: 1763 [ 51.150048] hardirqs last enabled at (1773): [] __up_console_sem+0x78/0x80 [ 51.151541] hardirqs last disabled at (1782): [] __up_console_sem+0x5d/0x80 [ 51.153056] softirqs last enabled at (1636): [] handle_softirqs+0x50c/0x770 [ 51.154584] softirqs last disabled at (1631): [] __irq_exit_rcu+0xc4/0x100 [ 51.156125] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:64718' (ECDSA) to the list of known hosts. 2025/11/18 14:53:50 fuzzer started 2025/11/18 14:53:51 dialing manager at localhost:34383 2025/11/18 14:53:51 checking machine... 2025/11/18 14:53:51 checking revisions... [ 52.023840] kmemleak: Automatic memory scanning thread ended 2025/11/18 14:53:51 testing simple program... [ 52.117109] cgroup: Unknown subsys name 'net' [ 52.185835] cgroup: Unknown subsys name 'cpuset' [ 52.201171] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program VM DIAGNOSIS: 14:53:50 Registers: info registers vcpu 0 RAX=00000022453e9bc0 RBX=0000000000000000 RCX=00000000000006e0 RDX=0000000000000022 RSI=ffff88806ce23b00 RDI=000000000004cbc3 RBP=ffff88806ce23b00 RSP=ffff88806ce08ed8 R8 =0000000000000001 R9 =0000000000000000 R10=00000000000dba7d R11=0000000000000001 R12=000000000004cbc3 R13=0000000000000000 R14=0000000000000000 R15=ffff88806ce28500 RIP=ffffffff8132e865 RFL=00000016 [----AP-] 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 00007fc09754c900 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe2400000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007fc09750c008 CR3=00000000201d1000 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=00000000475e76a4 RBX=ffff888009643780 RCX=000000005cb9a3e8 RDX=0000000085cb9a3e RSI=000000008301a466 RDI=0000000081125d94 RBP=ffff8880096441d8 RSP=ffff88806cf088c8 R8 =0000000000000001 R9 =0000000000000000 R10=0000000000000001 R11=0000000000000000 R12=ffff888009644200 R13=0000000008cd3ea4 R14=0000000000000000 R15=0000000000000001 RIP=ffffffff815275e1 RFL=00000012 [----A--] 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 0000000000000000 00000000 00000000 GS =0000 ffff8880e548f000 00000000 00000000 LDT=0000 fffffe1600000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f72327e4000 CR3=000000000e300000 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=1f780f590f7f1d8ef34e5d46d6046799 XMM02=0000000000306710eff9b2d0a8fce9cb XMM03=00000000003067e02c67c8bc2e329bc3 XMM04=79be104c74ce5dc400000000000ae988 XMM05=78afd8bf3236e4530000000000320c30 XMM06=5b75c91c80445342000000000031f960 XMM07=e042d86d42eb936e000000000030fcf0 XMM08=288df7d1f1a0ee0a00000000003067e0 XMM09=00000000000000000000000000000000 XMM10=20200000000020202020202020200000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000