syzkaller login: [ 45.669888] ------------[ cut here ]------------ [ 45.670806] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 45.672857] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/235 [ 45.674305] Modules linked in: [ 45.674970] CPU: 0 UID: 104 PID: 235 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 45.676957] Tainted: [W]=WARN [ 45.677515] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 45.678998] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 45.679910] 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 [ 45.683070] RSP: 0018:ffff888018fefbc0 EFLAGS: 00010286 [ 45.684038] RAX: 0000000000000000 RBX: ffffed10031fdf78 RCX: ffffffff813a4050 [ 45.685318] RDX: ffff8880159a1bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 45.686600] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed10031fdf2f [ 45.687880] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 45.689158] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888018fefdf8 [ 45.690452] FS: 00007fc562085900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 45.691870] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 45.692930] CR2: 00007fc562577580 CR3: 000000000dcdd000 CR4: 0000000000350ef0 [ 45.694201] Call Trace: [ 45.694719] [ 45.695131] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 45.696021] ? __create_object+0x59/0x80 [ 45.696797] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 45.697753] __vmalloc_noprof+0x59/0x60 [ 45.698476] bpf_prog_alloc_no_stats+0x55/0x470 [ 45.699343] ? __pfx_seccomp_check_filter+0x10/0x10 [ 45.700263] bpf_prog_alloc+0x39/0x200 [ 45.701000] ? __pfx_seccomp_check_filter+0x10/0x10 [ 45.701930] bpf_prog_create_from_user+0xb2/0x2f0 [ 45.702844] do_seccomp+0x349/0x25e0 [ 45.703519] ? __pfx_css_rstat_updated+0x10/0x10 [ 45.704420] ? __pfx_do_seccomp+0x10/0x10 [ 45.705206] ? find_held_lock+0x2b/0x80 [ 45.705968] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 45.706939] ? static_key_count+0x60/0x80 [ 45.707740] prctl_set_seccomp+0x4e/0x70 [ 45.708464] __do_sys_prctl+0xe6c/0x1d70 [ 45.709245] ? __pfx___do_sys_prctl+0x10/0x10 [ 45.710104] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 45.711083] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 45.712052] ? irqentry_exit+0xf3/0x650 [ 45.712806] do_syscall_64+0xbf/0x430 [ 45.713494] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 45.714464] RIP: 0033:0x7fc5625775cd [ 45.715160] 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 [ 45.718334] RSP: 002b:00007ffff8d00ec0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 45.719708] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fc5625775cd [ 45.720991] RDX: 000055bda618be00 RSI: 0000000000000002 RDI: 0000000000000016 [ 45.722276] RBP: 00007ffff8d00f20 R08: 0000000000000000 R09: 00007ffff8d005c0 [ 45.723558] R10: 0000000000000000 R11: 0000000000000246 R12: 000055bde1b51ad0 [ 45.724842] R13: 00007ffff8d01350 R14: 000055bde1b52bc0 R15: 000055bde1b63780 [ 45.726137] [ 45.726573] irq event stamp: 1655 [ 45.727219] hardirqs last enabled at (1665): [] __up_console_sem+0x78/0x80 [ 45.728735] hardirqs last disabled at (1674): [] __up_console_sem+0x5d/0x80 [ 45.730247] softirqs last enabled at (1558): [] handle_softirqs+0x50c/0x770 [ 45.731785] softirqs last disabled at (1553): [] __irq_exit_rcu+0xc4/0x100 [ 45.733290] ---[ end trace 0000000000000000 ]--- [ 49.019753] ------------[ cut here ]------------ [ 49.020609] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 49.022714] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/242 [ 49.024413] Modules linked in: [ 49.025159] CPU: 0 UID: 104 PID: 242 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 49.027459] Tainted: [W]=WARN [ 49.028153] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 49.029871] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 49.030938] 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 [ 49.034600] RSP: 0018:ffff888019e77bc0 EFLAGS: 00010286 [ 49.035730] RAX: 0000000000000000 RBX: ffffed10033cef78 RCX: ffffffff813a4050 [ 49.037210] RDX: ffff88801b0c9bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 49.038713] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed10033cef2f [ 49.040209] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000400dc0 [ 49.041701] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888019e77df8 [ 49.043189] FS: 00007fc9e8273900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 49.044857] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 49.046087] CR2: 00007fc9e8765580 CR3: 000000001f4b5000 CR4: 0000000000350ef0 [ 49.047585] Call Trace: [ 49.048159] [ 49.048630] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 49.049718] ? __create_object+0x59/0x80 [ 49.050565] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 49.051704] __vmalloc_noprof+0x59/0x60 [ 49.052526] bpf_prog_alloc_no_stats+0x55/0x470 [ 49.053538] ? __pfx_seccomp_check_filter+0x10/0x10 [ 49.054624] bpf_prog_alloc+0x39/0x200 [ 49.055470] ? __pfx_seccomp_check_filter+0x10/0x10 [ 49.056567] bpf_prog_create_from_user+0xb2/0x2f0 [ 49.057620] do_seccomp+0x349/0x25e0 [ 49.058474] ? __pfx_do_seccomp+0x10/0x10 [ 49.059378] ? static_key_count+0x4f/0x80 [ 49.060294] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 49.061402] ? static_key_count+0x60/0x80 [ 49.062218] prctl_set_seccomp+0x4e/0x70 [ 49.063013] __do_sys_prctl+0xe6c/0x1d70 [ 49.063794] ? __pfx___do_sys_prctl+0x10/0x10 [ 49.064596] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 49.065550] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 49.066535] ? irqentry_exit+0xf3/0x650 [ 49.067300] do_syscall_64+0xbf/0x430 [ 49.068033] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 49.068973] RIP: 0033:0x7fc9e87655cd [ 49.069623] 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 [ 49.072737] RSP: 002b:00007fff7fbcaa60 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 49.074078] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fc9e87655cd [ 49.075291] RDX: 0000560e60969e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 49.076249] RBP: 00007fff7fbcaac0 R08: 0000000000000000 R09: 00007fff7fbca160 [ 49.077198] R10: 0000000000000000 R11: 0000000000000246 R12: 0000560e639e1b10 [ 49.078155] R13: 00007fff7fbcaef0 R14: 0000560e639e22b0 R15: 0000560e639f66f0 [ 49.079140] [ 49.079462] irq event stamp: 1729 [ 49.079958] hardirqs last enabled at (1739): [] __up_console_sem+0x78/0x80 [ 49.081085] hardirqs last disabled at (1748): [] __up_console_sem+0x5d/0x80 [ 49.082227] softirqs last enabled at (1668): [] handle_softirqs+0x50c/0x770 [ 49.083398] softirqs last disabled at (1663): [] __irq_exit_rcu+0xc4/0x100 [ 49.084524] ---[ end trace 0000000000000000 ]--- [ 49.821848] ------------[ cut here ]------------ [ 49.822814] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 49.824861] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/249 [ 49.826316] Modules linked in: [ 49.826941] CPU: 1 UID: 104 PID: 249 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 49.828937] Tainted: [W]=WARN [ 49.829498] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 49.831206] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 49.832197] 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 [ 49.835428] RSP: 0018:ffff888016f6fbc0 EFLAGS: 00010286 [ 49.836422] RAX: 0000000000000000 RBX: ffffed1002dedf78 RCX: ffffffff813a4050 [ 49.837711] RDX: ffff888019c43780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 49.839029] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002dedf2f [ 49.840319] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 49.841610] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888016f6fdf8 [ 49.842914] FS: 00007f26b9d3e900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 49.844371] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 49.845419] CR2: 00007ffff1a65ef7 CR3: 00000000163b7000 CR4: 0000000000350ef0 [ 49.846720] Call Trace: [ 49.847190] [ 49.847605] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 49.848514] ? __create_object+0x59/0x80 [ 49.849293] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 49.850279] __vmalloc_noprof+0x59/0x60 [ 49.851070] bpf_prog_alloc_no_stats+0x55/0x470 [ 49.851942] ? __pfx_seccomp_check_filter+0x10/0x10 [ 49.852889] bpf_prog_alloc+0x39/0x200 [ 49.853594] ? __pfx_seccomp_check_filter+0x10/0x10 [ 49.854538] bpf_prog_create_from_user+0xb2/0x2f0 [ 49.855436] do_seccomp+0x349/0x25e0 [ 49.856167] ? find_held_lock+0x2b/0x80 [ 49.856945] ? do_prlimit+0x310/0x610 [ 49.857655] ? __pfx_do_seccomp+0x10/0x10 [ 49.858469] ? do_raw_spin_unlock+0x53/0x220 [ 49.859317] ? _raw_spin_unlock+0x1e/0x40 [ 49.860126] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 49.861093] ? static_key_count+0x60/0x80 [ 49.861907] prctl_set_seccomp+0x4e/0x70 [ 49.862661] __do_sys_prctl+0xe6c/0x1d70 [ 49.863459] ? __pfx___do_sys_prctl+0x10/0x10 [ 49.864312] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 49.865285] ? irqentry_exit+0xf3/0x650 [ 49.866056] do_syscall_64+0xbf/0x430 [ 49.866824] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 49.867783] RIP: 0033:0x7f26ba2305cd [ 49.868439] 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 [ 49.871635] RSP: 002b:00007ffff1a64c10 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 49.873014] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f26ba2305cd [ 49.874342] RDX: 000055e20bd6ee00 RSI: 0000000000000002 RDI: 0000000000000016 [ 49.875635] RBP: 00007ffff1a64c70 R08: 0000000000000000 R09: 00007ffff1a64310 [ 49.876926] R10: 0000000000000000 R11: 0000000000000246 R12: 000055e24b534ad0 [ 49.878220] R13: 00007ffff1a650a0 R14: 000055e24b535bc0 R15: 000055e24b546780 [ 49.879558] [ 49.880019] irq event stamp: 1801 [ 49.880642] hardirqs last enabled at (1809): [] __up_console_sem+0x78/0x80 [ 49.882187] hardirqs last disabled at (1820): [] __up_console_sem+0x5d/0x80 [ 49.883743] softirqs last enabled at (1788): [] handle_softirqs+0x50c/0x770 [ 49.885292] softirqs last disabled at (1783): [] __irq_exit_rcu+0xc4/0x100 [ 49.886784] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:5786' (ECDSA) to the list of known hosts. 2025/11/17 16:05:30 fuzzer started 2025/11/17 16:05:30 dialing manager at localhost:37895 2025/11/17 16:05:30 checking machine... 2025/11/17 16:05:30 checking revisions... [ 50.786762] kmemleak: Automatic memory scanning thread ended 2025/11/17 16:05:30 testing simple program... [ 50.873268] cgroup: Unknown subsys name 'net' [ 50.922773] cgroup: Unknown subsys name 'cpuset' [ 50.937297] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program VM DIAGNOSIS: 16:05:29 Registers: info registers vcpu 0 RAX=dffffc0000000000 RBX=ffffffff85e2b980 RCX=0000000000010000 RDX=0000000000000003 RSI=0000000000000002 RDI=ffffffff85e2b9f0 RBP=0000000000000001 RSP=ffff88806ce08cc0 R8 =0000000000000001 R9 =0000000000000000 R10=00000000000808b4 R11=0000000000000001 R12=0000000000000001 R13=00000000000f4240 R14=ffff8880169adf78 R15=dffffc0000000000 RIP=ffffffff815be216 RFL=00000046 [---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 00007fc9e8273900 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe2c00000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007fff7fbc4000 CR3=000000001fea7000 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=6720646572637465733a4d41503d706f 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=0000000000000055 RCX=ffffffff818e7874 RDX=ffff888019f23780 RSI=0000000000000000 RDI=0000000000000007 RBP=ffff888019bd2ad8 RSP=ffff88801c1c7aa0 R8 =0000000000000000 R9 =fffffbfff0cc9eca R10=0000000000000000 R11=0000000000000001 R12=0000000000000055 R13=dffffc0000000000 R14=0000000000000000 R15=0000000000000ac1 RIP=ffffffff81751c70 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 00007f4329ff1700 00000000 00000000 GS =0000 ffff8880e548f000 00000000 00000000 LDT=0000 fffffe7400000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f49cf95b000 CR3=000000000d3f2000 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=337fc4fe97f1919e0d447fbad3030302 XMM02=0000000000304798eff9b2d0a8fce9cb XMM03=00000000003048682c67c8bc2e329bc3 XMM04=e0140468a0937aed00000000000ae988 XMM05=090f1556b20111b3000000000031ff30 XMM06=5b75c91c80445342000000000031fdb8 XMM07=e042d86d42eb936e0000000000310830 XMM08=cb07ff2783f81bbe0000000000304868 XMM09=00000000000000000000000000000000 XMM10=20200000000020202020202020200000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000