syzkaller login: [ 39.441385] ------------[ cut here ]------------ [ 39.442298] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 39.444349] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/232 [ 39.445809] Modules linked in: [ 39.446406] CPU: 1 UID: 104 PID: 232 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 39.448462] Tainted: [W]=WARN [ 39.449080] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 39.450564] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 39.451452] 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 [ 39.454904] RSP: 0018:ffff8880159afbc0 EFLAGS: 00010286 [ 39.455902] RAX: 0000000000000000 RBX: ffffed1002b35f78 RCX: ffffffff813a4050 [ 39.457189] RDX: ffff888016ba1bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 39.458464] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002b35f2f [ 39.459764] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 39.461065] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff8880159afdf8 [ 39.462355] FS: 00007fb63b364900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 39.463803] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 39.464865] CR2: 00007fb63b856580 CR3: 000000000cc31000 CR4: 0000000000350ef0 [ 39.466206] Call Trace: [ 39.466707] [ 39.467112] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 39.468021] ? __create_object+0x59/0x80 [ 39.468807] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.469789] __vmalloc_noprof+0x59/0x60 [ 39.470538] bpf_prog_alloc_no_stats+0x55/0x470 [ 39.471366] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.472304] bpf_prog_alloc+0x39/0x200 [ 39.473043] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.473959] bpf_prog_create_from_user+0xb2/0x2f0 [ 39.474859] do_seccomp+0x349/0x25e0 [ 39.475581] ? __pfx_css_rstat_updated+0x10/0x10 [ 39.476449] ? __pfx_do_seccomp+0x10/0x10 [ 39.477237] ? find_held_lock+0x2b/0x80 [ 39.477995] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 39.478960] ? static_key_count+0x60/0x80 [ 39.479757] prctl_set_seccomp+0x4e/0x70 [ 39.480556] __do_sys_prctl+0xe6c/0x1d70 [ 39.481294] ? __pfx___do_sys_prctl+0x10/0x10 [ 39.482151] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.483166] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 39.484218] ? irqentry_exit+0xf3/0x650 [ 39.485011] do_syscall_64+0xbf/0x430 [ 39.485756] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 39.486704] RIP: 0033:0x7fb63b8565cd [ 39.487396] 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 [ 39.490574] RSP: 002b:00007ffe5a343ea0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 39.491946] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fb63b8565cd [ 39.493221] RDX: 000055d4a8ab4e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 39.494540] RBP: 00007ffe5a343f00 R08: 0000000000000000 R09: 00007ffe5a3435a0 [ 39.495833] R10: 0000000000000000 R11: 0000000000000246 R12: 000055d4b7543ad0 [ 39.497108] R13: 00007ffe5a344330 R14: 000055d4b7544bc0 R15: 000055d4b7555780 [ 39.498412] [ 39.498879] irq event stamp: 1747 [ 39.499534] hardirqs last enabled at (1757): [] __up_console_sem+0x78/0x80 [ 39.501064] hardirqs last disabled at (1766): [] __up_console_sem+0x5d/0x80 [ 39.502585] softirqs last enabled at (1630): [] handle_softirqs+0x50c/0x770 [ 39.504154] softirqs last disabled at (1625): [] __irq_exit_rcu+0xc4/0x100 [ 39.505675] ---[ end trace 0000000000000000 ]--- [ 42.303981] ------------[ cut here ]------------ [ 42.304887] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.306943] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/240 [ 42.308437] Modules linked in: [ 42.309108] CPU: 0 UID: 104 PID: 240 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 42.311314] Tainted: [W]=WARN [ 42.312022] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.313515] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.314398] 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 [ 42.317596] RSP: 0018:ffff888013bf7bc0 EFLAGS: 00010286 [ 42.318557] RAX: 0000000000000000 RBX: ffffed100277ef78 RCX: ffffffff813a4050 [ 42.319837] RDX: ffff888019da9bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.321151] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed100277ef2f [ 42.322432] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.323702] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888013bf7df8 [ 42.325028] FS: 00007ff8c8513900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 42.326460] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.327534] CR2: 00007ff8c8a05580 CR3: 000000001fade000 CR4: 0000000000350ef0 [ 42.328840] Call Trace: [ 42.329297] [ 42.330248] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.331146] ? __create_object+0x59/0x80 [ 42.331968] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.332941] __vmalloc_noprof+0x59/0x60 [ 42.333705] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.334573] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.335479] bpf_prog_alloc+0x39/0x200 [ 42.336269] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.337199] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.338102] do_seccomp+0x349/0x25e0 [ 42.338829] ? __pfx_css_rstat_updated+0x10/0x10 [ 42.339735] ? __pfx_do_seccomp+0x10/0x10 [ 42.340563] ? find_held_lock+0x2b/0x80 [ 42.341274] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.342237] ? static_key_count+0x60/0x80 [ 42.343051] prctl_set_seccomp+0x4e/0x70 [ 42.343854] __do_sys_prctl+0xe6c/0x1d70 [ 42.344670] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.345491] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.346435] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.347416] ? irqentry_exit+0xf3/0x650 [ 42.348211] do_syscall_64+0xbf/0x430 [ 42.348934] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.349890] RIP: 0033:0x7ff8c8a055cd [ 42.350598] 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 [ 42.353794] RSP: 002b:00007fff20f82920 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.355157] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ff8c8a055cd [ 42.356515] RDX: 00005616f7f11e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.357796] RBP: 00007fff20f82980 R08: 0000000000000000 R09: 00007fff20f82020 [ 42.359060] R10: 0000000000000000 R11: 0000000000000246 R12: 000056171cc25ad0 [ 42.360363] R13: 00007fff20f82db0 R14: 000056171cc26bc0 R15: 000056171cc37780 [ 42.361682] [ 42.362109] irq event stamp: 1867 [ 42.362774] hardirqs last enabled at (1877): [] __up_console_sem+0x78/0x80 [ 42.364330] hardirqs last disabled at (1886): [] __up_console_sem+0x5d/0x80 [ 42.365833] softirqs last enabled at (1544): [] handle_softirqs+0x50c/0x770 [ 42.367364] softirqs last disabled at (1531): [] __irq_exit_rcu+0xc4/0x100 [ 42.368909] ---[ end trace 0000000000000000 ]--- [ 43.147623] ------------[ cut here ]------------ [ 43.148540] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 43.150578] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/247 [ 43.152047] Modules linked in: [ 43.152909] CPU: 1 UID: 104 PID: 247 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 43.154967] Tainted: [W]=WARN [ 43.155563] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 43.157048] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 43.157968] 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 [ 43.161147] RSP: 0018:ffff88801760fbc0 EFLAGS: 00010286 [ 43.162139] RAX: 0000000000000000 RBX: ffffed1002ec1f78 RCX: ffffffff813a4050 [ 43.163409] RDX: ffff88801581d340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 43.164688] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002ec1f2f [ 43.165974] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 43.167289] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801760fdf8 [ 43.168650] FS: 00007f9b51367900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 43.170106] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 43.171166] CR2: 00007ffe128ccef7 CR3: 000000001fbf2000 CR4: 0000000000350ef0 [ 43.172456] Call Trace: [ 43.172957] [ 43.173365] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 43.174263] ? __create_object+0x59/0x80 [ 43.175047] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 43.176023] __vmalloc_noprof+0x59/0x60 [ 43.176780] bpf_prog_alloc_no_stats+0x55/0x470 [ 43.177647] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.178614] bpf_prog_alloc+0x39/0x200 [ 43.179309] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.180256] bpf_prog_create_from_user+0xb2/0x2f0 [ 43.181148] do_seccomp+0x349/0x25e0 [ 43.181867] ? find_held_lock+0x2b/0x80 [ 43.182621] ? do_prlimit+0x310/0x610 [ 43.183314] ? __pfx_do_seccomp+0x10/0x10 [ 43.184122] ? do_raw_spin_unlock+0x53/0x220 [ 43.184951] ? _raw_spin_unlock+0x1e/0x40 [ 43.185845] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 43.186952] ? static_key_count+0x60/0x80 [ 43.187749] prctl_set_seccomp+0x4e/0x70 [ 43.188525] __do_sys_prctl+0xe6c/0x1d70 [ 43.189264] ? __pfx___do_sys_prctl+0x10/0x10 [ 43.190118] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 43.191073] ? irqentry_exit+0xf3/0x650 [ 43.191850] do_syscall_64+0xbf/0x430 [ 43.192592] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 43.193536] RIP: 0033:0x7f9b518595cd [ 43.194191] 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 [ 43.197368] RSP: 002b:00007ffe128cb810 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 43.198717] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f9b518595cd [ 43.200018] RDX: 000055c5786a2e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 43.201300] RBP: 00007ffe128cb870 R08: 0000000000000000 R09: 00007ffe128caf10 [ 43.202604] R10: 0000000000000000 R11: 0000000000000246 R12: 000055c58e8fead0 [ 43.203909] R13: 00007ffe128cbca0 R14: 000055c58e8ffbc0 R15: 000055c58e910780 [ 43.205221] [ 43.205683] irq event stamp: 1777 [ 43.206296] hardirqs last enabled at (1785): [] __up_console_sem+0x78/0x80 [ 43.207841] hardirqs last disabled at (1794): [] __up_console_sem+0x5d/0x80 [ 43.209372] softirqs last enabled at (1322): [] handle_softirqs+0x50c/0x770 [ 43.210943] softirqs last disabled at (1317): [] __irq_exit_rcu+0xc4/0x100 [ 43.212523] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:32231' (ECDSA) to the list of known hosts. 2025/11/18 07:52:07 fuzzer started 2025/11/18 07:52:07 dialing manager at localhost:37895 2025/11/18 07:52:07 checking machine... 2025/11/18 07:52:07 checking revisions... [ 44.097128] kmemleak: Automatic memory scanning thread ended 2025/11/18 07:52:07 testing simple program... [ 44.187229] cgroup: Unknown subsys name 'net' [ 44.250966] cgroup: Unknown subsys name 'cpuset' [ 44.265560] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program VM DIAGNOSIS: 07:52:06 Registers: info registers vcpu 0 RAX=ffffffff87ae3a08 RBX=ffff888016ba5340 RCX=4e0d8cbf33954e92 RDX=000000000aaf3d68 RSI=00000000e4fe5a3f RDI=ffff888016ba5de8 RBP=ffff888016ba5d98 RSP=ffff88806ce08c00 R8 =0000000000000002 R9 =0000000000000000 R10=0000000000000001 R11=0000000000000001 R12=ffff888016ba5de8 R13=000000000000543a R14=0000000000000001 R15=4e0d8cbf33954e92 RIP=ffffffff81527b66 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 00007ff8c8513900 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe4500000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007ff8c84e2008 CR3=000000000b7d6000 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=0000000000027bc3 RBX=0000000000000001 RCX=ffffffff84c72d57 RDX=0000000000000000 RSI=0000000000000000 RDI=ffffffff814d2c90 RBP=dffffc0000000000 RSP=ffff8880096efe58 R8 =0000000000000001 R9 =ffffed100d9e639a R10=ffff88806cf31cd3 R11=0000000000000001 R12=ffffffff8664f650 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 fffffe4f00000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f824ada05e0 CR3=000000000d946000 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=e31cf8b20d80848d1f40e1fbd321f0ee XMM02=0000000000302800ec2efd57dc4c00df XMM03=000000000030dfc8ed310a680d289f83 XMM04=7f5fef12b5c3e9a000000000000ae988 XMM05=d50a4a1006ab5eb3000000000031ecc0 XMM06=d74844bf967d85ba000000000031e6b8 XMM07=e042d86d42eb936e000000000030e2a0 XMM08=ed310a680d289f830000000000302860 XMM09=00000000000000000000000000000000 XMM10=20200000000020202020202020200000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000