syzkaller login: [ 39.429296] ------------[ cut here ]------------ [ 39.430263] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 39.432376] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/233 [ 39.433868] Modules linked in: [ 39.434528] CPU: 0 UID: 104 PID: 233 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 39.436642] Tainted: [W]=WARN [ 39.437279] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 39.438780] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 39.439715] 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 [ 39.443043] RSP: 0018:ffff888013f37bc0 EFLAGS: 00010286 [ 39.444071] RAX: 0000000000000000 RBX: ffffed10027e6f78 RCX: ffffffff813a4050 [ 39.445420] RDX: ffff8880161a3780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 39.446730] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed10027e6f2f [ 39.448069] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 39.449403] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888013f37df8 [ 39.450715] FS: 00007fdbac63c900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 39.452211] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 39.453290] CR2: 00007ffdafb63ef7 CR3: 0000000015ea3000 CR4: 0000000000350ef0 [ 39.454586] Call Trace: [ 39.455059] [ 39.455511] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 39.456466] ? __create_object+0x59/0x80 [ 39.457264] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.458244] __vmalloc_noprof+0x59/0x60 [ 39.458966] bpf_prog_alloc_no_stats+0x55/0x470 [ 39.459835] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.460832] bpf_prog_alloc+0x39/0x200 [ 39.461579] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.462515] bpf_prog_create_from_user+0xb2/0x2f0 [ 39.463429] do_seccomp+0x349/0x25e0 [ 39.464189] ? find_held_lock+0x2b/0x80 [ 39.464900] ? do_prlimit+0x310/0x610 [ 39.465657] ? __pfx_do_seccomp+0x10/0x10 [ 39.466439] ? do_raw_spin_unlock+0x53/0x220 [ 39.467288] ? _raw_spin_unlock+0x1e/0x40 [ 39.468065] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 39.469040] ? static_key_count+0x60/0x80 [ 39.469845] prctl_set_seccomp+0x4e/0x70 [ 39.470617] __do_sys_prctl+0xe6c/0x1d70 [ 39.471400] ? __pfx___do_sys_prctl+0x10/0x10 [ 39.472299] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 39.473288] ? irqentry_exit+0xf3/0x650 [ 39.474007] do_syscall_64+0xbf/0x430 [ 39.474757] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 39.475709] RIP: 0033:0x7fdbacb2e5cd [ 39.476454] 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 [ 39.479718] RSP: 002b:00007ffdafb61bc0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 39.481333] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fdbacb2e5cd [ 39.482812] RDX: 000055637e4b2e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 39.484335] RBP: 00007ffdafb61c20 R08: 0000000000000000 R09: 00007ffdafb612c0 [ 39.485818] R10: 0000000000000000 R11: 0000000000000246 R12: 000055639d78aad0 [ 39.487291] R13: 00007ffdafb62050 R14: 000055639d78bbc0 R15: 000055639d79c780 [ 39.488829] [ 39.489362] irq event stamp: 1773 [ 39.490060] hardirqs last enabled at (1781): [] __up_console_sem+0x78/0x80 [ 39.491859] hardirqs last disabled at (1792): [] __up_console_sem+0x5d/0x80 [ 39.493669] softirqs last enabled at (1710): [] handle_softirqs+0x50c/0x770 [ 39.495442] softirqs last disabled at (1705): [] __irq_exit_rcu+0xc4/0x100 [ 39.497158] ---[ end trace 0000000000000000 ]--- [ 42.474480] ------------[ cut here ]------------ [ 42.474916] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.475885] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/241 [ 42.476584] Modules linked in: [ 42.476863] CPU: 0 UID: 104 PID: 241 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 42.477807] Tainted: [W]=WARN [ 42.478070] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.478765] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.479200] 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 [ 42.480711] RSP: 0018:ffff8880171a7bc0 EFLAGS: 00010286 [ 42.481181] RAX: 0000000000000000 RBX: ffffed1002e34f78 RCX: ffffffff813a4050 [ 42.481774] RDX: ffff888017375340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.482393] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002e34f2f [ 42.482978] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.483598] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff8880171a7df8 [ 42.484246] FS: 00007fe5434e7900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 42.484922] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.485425] CR2: 00007ffdc6a35ef7 CR3: 000000000aff0000 CR4: 0000000000350ef0 [ 42.486008] Call Trace: [ 42.486251] [ 42.486446] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.486851] ? __create_object+0x59/0x80 [ 42.487220] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.487664] __vmalloc_noprof+0x59/0x60 [ 42.488011] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.488430] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.488852] bpf_prog_alloc+0x39/0x200 [ 42.489209] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.489636] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.490042] do_seccomp+0x349/0x25e0 [ 42.490383] ? find_held_lock+0x2b/0x80 [ 42.490728] ? do_prlimit+0x310/0x610 [ 42.491059] ? __pfx_do_seccomp+0x10/0x10 [ 42.491421] ? do_raw_spin_unlock+0x53/0x220 [ 42.491791] ? _raw_spin_unlock+0x1e/0x40 [ 42.492169] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.492604] ? static_key_count+0x60/0x80 [ 42.492960] prctl_set_seccomp+0x4e/0x70 [ 42.493336] __do_sys_prctl+0xe6c/0x1d70 [ 42.493686] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.494066] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.494523] ? irqentry_exit+0xf3/0x650 [ 42.494863] do_syscall_64+0xbf/0x430 [ 42.495215] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.495640] RIP: 0033:0x7fe5439d95cd [ 42.495955] 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 [ 42.497444] RSP: 002b:00007ffdc6a33fb0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.498059] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fe5439d95cd [ 42.498657] RDX: 00005618673a6e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.499255] RBP: 00007ffdc6a34010 R08: 0000000000000000 R09: 00007ffdc6a336b0 [ 42.499834] R10: 0000000000000000 R11: 0000000000000246 R12: 000056188f151ad0 [ 42.500438] R13: 00007ffdc6a34440 R14: 000056188f152bc0 R15: 000056188f163780 [ 42.501027] [ 42.501248] irq event stamp: 1643 [ 42.501533] hardirqs last enabled at (1651): [] __up_console_sem+0x78/0x80 [ 42.502245] hardirqs last disabled at (1660): [] __up_console_sem+0x5d/0x80 [ 42.502950] softirqs last enabled at (1198): [] handle_softirqs+0x50c/0x770 [ 42.503709] softirqs last disabled at (1189): [] __irq_exit_rcu+0xc4/0x100 [ 42.504425] ---[ end trace 0000000000000000 ]--- [ 43.189590] ------------[ cut here ]------------ [ 43.190524] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 43.192600] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/248 [ 43.194060] Modules linked in: [ 43.194691] CPU: 1 UID: 104 PID: 248 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 43.196737] Tainted: [W]=WARN [ 43.197351] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 43.199171] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 43.200124] 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 [ 43.203355] RSP: 0018:ffff888009a5fbc0 EFLAGS: 00010286 [ 43.204364] RAX: 0000000000000000 RBX: ffffed100134bf78 RCX: ffffffff813a4050 [ 43.205662] RDX: ffff8880182a8000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 43.206957] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed100134bf2f [ 43.208258] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 43.209546] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888009a5fdf8 [ 43.210858] FS: 00007f6752ffd900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 43.212301] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 43.213370] CR2: 00007ffc3a4fdef7 CR3: 0000000016636000 CR4: 0000000000350ef0 [ 43.214669] Call Trace: [ 43.215194] [ 43.215609] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 43.216542] ? __create_object+0x59/0x80 [ 43.217327] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 43.218327] __vmalloc_noprof+0x59/0x60 [ 43.219050] bpf_prog_alloc_no_stats+0x55/0x470 [ 43.219949] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.220888] bpf_prog_alloc+0x39/0x200 [ 43.221649] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.222606] bpf_prog_create_from_user+0xb2/0x2f0 [ 43.223526] do_seccomp+0x349/0x25e0 [ 43.224269] ? find_held_lock+0x2b/0x80 [ 43.224996] ? do_prlimit+0x310/0x610 [ 43.225734] ? __pfx_do_seccomp+0x10/0x10 [ 43.226518] ? do_raw_spin_unlock+0x53/0x220 [ 43.227370] ? _raw_spin_unlock+0x1e/0x40 [ 43.228174] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 43.229152] ? static_key_count+0x60/0x80 [ 43.229914] prctl_set_seccomp+0x4e/0x70 [ 43.230690] __do_sys_prctl+0xe6c/0x1d70 [ 43.231479] ? __pfx___do_sys_prctl+0x10/0x10 [ 43.232361] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 43.233351] ? irqentry_exit+0xf3/0x650 [ 43.234121] do_syscall_64+0xbf/0x430 [ 43.234842] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 43.235808] RIP: 0033:0x7f67534ef5cd [ 43.236532] 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 [ 43.239716] RSP: 002b:00007ffc3a4fb790 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 43.241111] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f67534ef5cd [ 43.242398] RDX: 000055d711b29e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 43.243670] RBP: 00007ffc3a4fb7f0 R08: 0000000000000000 R09: 00007ffc3a4fae90 [ 43.244982] R10: 0000000000000000 R11: 0000000000000246 R12: 000055d713390b10 [ 43.246266] R13: 00007ffc3a4fbc20 R14: 000055d7133912b0 R15: 000055d7133a56f0 [ 43.247581] [ 43.248020] irq event stamp: 1801 [ 43.248680] hardirqs last enabled at (1811): [] __up_console_sem+0x78/0x80 [ 43.249984] hardirqs last disabled at (1820): [] __up_console_sem+0x5d/0x80 [ 43.251247] softirqs last enabled at (1444): [] handle_softirqs+0x50c/0x770 [ 43.252538] softirqs last disabled at (1439): [] __irq_exit_rcu+0xc4/0x100 [ 43.253797] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:16973' (ECDSA) to the list of known hosts. 2025/11/17 10:28:50 fuzzer started 2025/11/17 10:28:50 dialing manager at localhost:37895 2025/11/17 10:28:50 checking machine... 2025/11/17 10:28:50 checking revisions... [ 44.257223] kmemleak: Automatic memory scanning thread ended 2025/11/17 10:28:50 testing simple program... [ 44.344589] cgroup: Unknown subsys name 'net' [ 44.394275] cgroup: Unknown subsys name 'cpuset' [ 44.405527] cgroup: Unknown subsys name 'rlimit' executing program executing program VM DIAGNOSIS: 10:28:49 Registers: info registers vcpu 0 RAX=0000001cfde7a5e0 RBX=0000000000000000 RCX=00000000000006e0 RDX=000000000000001c RSI=ffff88806ce23b00 RDI=0000000000050a48 RBP=ffff88806ce23b00 RSP=ffff88806ce08ed8 R8 =0000000000000001 R9 =0000000000000000 R10=00000000000e6d72 R11=0000000000000001 R12=0000000000050a48 R13=0000000000000000 R14=0000000000000000 R15=ffff88806ce28500 RIP=ffffffff8132e865 RFL=00000013 [----A-C] 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 00007fe5434e7900 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe6300000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007fe5434b1008 CR3=000000001fbd7000 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=dffffc0000000000 RCX=ffffffff8162ff25 RDX=0000000000000004 RSI=ffffffff816301b2 RDI=0000000000000005 RBP=0000000000000000 RSP=ffff88806cf08f38 R8 =0000000000000001 R9 =0000000000000000 R10=0000000000000000 R11=0000000000000001 R12=0000000000000046 R13=ffff88806cf2854c R14=0000000000000000 R15=ffff88806cf28500 RIP=ffffffff816301de RFL=00000006 [-----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 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=00007ffeb619e708 CR3=000000000cfc8000 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=b682e8e35cfc7fabf6430b2cde6113f5 XMM02=2c67c8bc2e329bc300000000003079c8 XMM03=fb795ef6d657705600000000003116d0 XMM04=d0aa5d106d7e009d00000000000ae988 XMM05=d96330e2d2db86320000000000321370 XMM06=474038aa6c007e1f00000000003211f8 XMM07=e042d86d42eb936e00000000003119a8 XMM08=9d5c0cf261b96c600000000000307a28 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000