syzkaller login: [ 45.789219] ------------[ cut here ]------------ [ 45.790167] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 45.792145] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/233 [ 45.793600] Modules linked in: [ 45.794629] CPU: 0 UID: 104 PID: 233 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 45.796594] Tainted: [W]=WARN [ 45.797188] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 45.798635] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 45.799544] 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 [ 45.802697] RSP: 0018:ffff888016047bc0 EFLAGS: 00010286 [ 45.803669] RAX: 0000000000000000 RBX: ffffed1002c08f78 RCX: ffffffff813a4050 [ 45.804938] RDX: ffff88800eea3780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 45.806228] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002c08f2f [ 45.807496] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 45.808786] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888016047df8 [ 45.810059] FS: 00007f56c20f4900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 45.811477] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 45.812531] CR2: 00007f56c25e6580 CR3: 000000000c34a000 CR4: 0000000000350ef0 [ 45.813808] Call Trace: [ 45.814272] [ 45.814680] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 45.815565] ? __create_object+0x59/0x80 [ 45.816352] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 45.817325] __vmalloc_noprof+0x59/0x60 [ 45.818081] bpf_prog_alloc_no_stats+0x55/0x470 [ 45.818952] ? __pfx_seccomp_check_filter+0x10/0x10 [ 45.819880] bpf_prog_alloc+0x39/0x200 [ 45.820563] ? __pfx_seccomp_check_filter+0x10/0x10 [ 45.821498] bpf_prog_create_from_user+0xb2/0x2f0 [ 45.822395] do_seccomp+0x349/0x25e0 [ 45.823103] ? __pfx_css_rstat_updated+0x10/0x10 [ 45.823988] ? __pfx_do_seccomp+0x10/0x10 [ 45.824720] ? find_held_lock+0x2b/0x80 [ 45.825536] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 45.826496] ? static_key_count+0x60/0x80 [ 45.827302] prctl_set_seccomp+0x4e/0x70 [ 45.828065] __do_sys_prctl+0xe6c/0x1d70 [ 45.828864] ? __pfx___do_sys_prctl+0x10/0x10 [ 45.829689] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 45.830649] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 45.831585] ? irqentry_exit+0xf3/0x650 [ 45.832338] do_syscall_64+0xbf/0x430 [ 45.833082] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 45.834049] RIP: 0033:0x7f56c25e65cd [ 45.834700] 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 [ 45.837851] RSP: 002b:00007fff1a963650 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 45.839184] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f56c25e65cd [ 45.840462] RDX: 000055a3db274e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 45.841754] RBP: 00007fff1a9636b0 R08: 0000000000000000 R09: 00007fff1a962d50 [ 45.843029] R10: 0000000000000000 R11: 0000000000000246 R12: 000055a40a30d2b0 [ 45.844289] R13: 00007fff1a963ae0 R14: 000055a40a30fd20 R15: 000055a40a3218d0 [ 45.845582] [ 45.846064] irq event stamp: 1733 [ 45.846660] hardirqs last enabled at (1741): [] __up_console_sem+0x78/0x80 [ 45.848158] hardirqs last disabled at (1750): [] __up_console_sem+0x5d/0x80 [ 45.849691] softirqs last enabled at (1634): [] handle_softirqs+0x50c/0x770 [ 45.851221] softirqs last disabled at (1629): [] __irq_exit_rcu+0xc4/0x100 [ 45.852724] ---[ end trace 0000000000000000 ]--- [ 49.348064] ------------[ cut here ]------------ [ 49.349084] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 49.351275] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/242 [ 49.352910] Modules linked in: [ 49.353589] CPU: 0 UID: 104 PID: 242 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 49.355734] Tainted: [W]=WARN [ 49.356400] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 49.358006] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 49.358998] 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 [ 49.362440] RSP: 0018:ffff888015dcfbc0 EFLAGS: 00010286 [ 49.363506] RAX: 0000000000000000 RBX: ffffed1002bb9f78 RCX: ffffffff813a4050 [ 49.364890] RDX: ffff88800f578000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 49.366270] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002bb9f2f [ 49.367635] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 49.369016] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888015dcfdf8 [ 49.370395] FS: 00007fed2319d900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 49.371931] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 49.373092] CR2: 00007fff7cadaef8 CR3: 000000000a1bb000 CR4: 0000000000350ef0 [ 49.374472] Call Trace: [ 49.375016] [ 49.375458] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 49.376418] ? __create_object+0x59/0x80 [ 49.377282] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 49.378306] __vmalloc_noprof+0x59/0x60 [ 49.379129] bpf_prog_alloc_no_stats+0x55/0x470 [ 49.380072] ? __pfx_seccomp_check_filter+0x10/0x10 [ 49.381084] bpf_prog_alloc+0x39/0x200 [ 49.381881] ? __pfx_seccomp_check_filter+0x10/0x10 [ 49.382879] bpf_prog_create_from_user+0xb2/0x2f0 [ 49.383845] do_seccomp+0x349/0x25e0 [ 49.384559] ? find_held_lock+0x2b/0x80 [ 49.385385] ? do_prlimit+0x310/0x610 [ 49.386189] ? __pfx_do_seccomp+0x10/0x10 [ 49.387026] ? do_raw_spin_unlock+0x53/0x220 [ 49.387907] ? _raw_spin_unlock+0x1e/0x40 [ 49.388683] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 49.389711] ? static_key_count+0x60/0x80 [ 49.390550] prctl_set_seccomp+0x4e/0x70 [ 49.391385] __do_sys_prctl+0xe6c/0x1d70 [ 49.392214] ? __pfx___do_sys_prctl+0x10/0x10 [ 49.393137] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 49.394165] ? irqentry_exit+0xf3/0x650 [ 49.394986] do_syscall_64+0xbf/0x430 [ 49.395723] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 49.396730] RIP: 0033:0x7fed2368f5cd [ 49.397477] 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 [ 49.400797] RSP: 002b:00007fff7cad94e0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 49.402251] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fed2368f5cd [ 49.403598] RDX: 0000558806ca0e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 49.404973] RBP: 00007fff7cad9540 R08: 0000000000000000 R09: 00007fff7cad8be0 [ 49.406355] R10: 0000000000000000 R11: 0000000000000246 R12: 0000558825853b10 [ 49.407699] R13: 00007fff7cad9970 R14: 00005588258542b0 R15: 00005588258686f0 [ 49.409083] [ 49.409534] irq event stamp: 1759 [ 49.410210] hardirqs last enabled at (1769): [] __up_console_sem+0x78/0x80 [ 49.411825] hardirqs last disabled at (1778): [] __up_console_sem+0x5d/0x80 [ 49.413422] softirqs last enabled at (1718): [] handle_softirqs+0x50c/0x770 [ 49.414802] softirqs last disabled at (1713): [] __irq_exit_rcu+0xc4/0x100 [ 49.416161] ---[ end trace 0000000000000000 ]--- [ 50.235821] ------------[ cut here ]------------ [ 50.236688] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 50.238659] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/249 [ 50.240084] Modules linked in: [ 50.240665] CPU: 0 UID: 104 PID: 249 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 50.242698] Tainted: [W]=WARN [ 50.243295] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 50.244725] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 50.245629] 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 [ 50.248709] RSP: 0018:ffff888017377bc0 EFLAGS: 00010286 [ 50.249678] RAX: 0000000000000000 RBX: ffffed1002e6ef78 RCX: ffffffff813a4050 [ 50.250931] RDX: ffff88800ecc5340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 50.252181] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002e6ef2f [ 50.253440] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 50.254692] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888017377df8 [ 50.255948] FS: 00007f6d5ea40900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 50.257363] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.258397] CR2: 00007fffe04b2ef8 CR3: 00000000076e3000 CR4: 0000000000350ef0 [ 50.259648] Call Trace: [ 50.260148] [ 50.260554] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 50.261435] ? __create_object+0x59/0x80 [ 50.262204] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 50.263157] __vmalloc_noprof+0x59/0x60 [ 50.263913] bpf_prog_alloc_no_stats+0x55/0x470 [ 50.264722] ? __pfx_seccomp_check_filter+0x10/0x10 [ 50.265647] bpf_prog_alloc+0x39/0x200 [ 50.266384] ? __pfx_seccomp_check_filter+0x10/0x10 [ 50.267300] bpf_prog_create_from_user+0xb2/0x2f0 [ 50.268198] do_seccomp+0x349/0x25e0 [ 50.268917] ? find_held_lock+0x2b/0x80 [ 50.269636] ? do_prlimit+0x310/0x610 [ 50.270361] ? __pfx_do_seccomp+0x10/0x10 [ 50.271130] ? do_raw_spin_unlock+0x53/0x220 [ 50.271945] ? _raw_spin_unlock+0x1e/0x40 [ 50.272665] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 50.273622] ? static_key_count+0x60/0x80 [ 50.274402] prctl_set_seccomp+0x4e/0x70 [ 50.275162] __do_sys_prctl+0xe6c/0x1d70 [ 50.275921] ? __pfx___do_sys_prctl+0x10/0x10 [ 50.276723] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 50.277691] ? irqentry_exit+0xf3/0x650 [ 50.278448] do_syscall_64+0xbf/0x430 [ 50.279185] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 50.280121] RIP: 0033:0x7f6d5ef325cd [ 50.280815] 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 [ 50.283947] RSP: 002b:00007fffe04b0740 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 50.285291] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f6d5ef325cd [ 50.286567] RDX: 000055c928f54e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 50.287828] RBP: 00007fffe04b07a0 R08: 0000000000000000 R09: 00007fffe04afe40 [ 50.289113] R10: 0000000000000000 R11: 0000000000000246 R12: 000055c96243b2b0 [ 50.290383] R13: 00007fffe04b0bd0 R14: 000055c96243dd20 R15: 000055c96244f8d0 [ 50.291660] [ 50.292119] irq event stamp: 1745 [ 50.292715] hardirqs last enabled at (1753): [] __up_console_sem+0x78/0x80 [ 50.294196] hardirqs last disabled at (1762): [] __up_console_sem+0x5d/0x80 [ 50.295407] softirqs last enabled at (1666): [] handle_softirqs+0x50c/0x770 [ 50.296641] softirqs last disabled at (1661): [] __irq_exit_rcu+0xc4/0x100 [ 50.297866] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:9241' (ECDSA) to the list of known hosts. 2025/11/18 17:30:40 fuzzer started 2025/11/18 17:30:40 dialing manager at localhost:34383 2025/11/18 17:30:40 checking machine... 2025/11/18 17:30:40 checking revisions... [ 51.183740] kmemleak: Automatic memory scanning thread ended 2025/11/18 17:30:40 testing simple program... [ 51.278360] cgroup: Unknown subsys name 'net' [ 51.348548] cgroup: Unknown subsys name 'cpuset' [ 51.371048] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program VM DIAGNOSIS: 17:30:39 Registers: info registers vcpu 0 RAX=dffffc0000000000 RBX=ffff88806ce08a50 RCX=ffff88806ce089a4 RDX=1ffff1100d9c1155 RSI=ffffffff85e1ffe0 RDI=ffffffff81b2d6aa RBP=ffff88806ce08aa8 RSP=ffff88806ce08a38 R8 =ffffffff86ab8488 R9 =ffff88806ce08a90 R10=000000000003c9ed R11=00000000000255cb R12=ffff88806ce08b18 R13=0000000000000000 R14=ffff88800f57b780 R15=ffff888009472140 RIP=ffffffff8135e1d2 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 00007fed2319d900 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe4f00000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007fff7cad3000 CR3=0000000014620000 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=635f6e6f69737365733a4d41503d706f XMM01=6f6c5f6d61702c78756e696c65735f6d XMM02=61702c74696d7265705f6d61702c7469 XMM03=655f6d61702c7374696d696c5f6d6170 XMM04=3d6c616e696d72657420322e322e302e XMM05=3d656d616e74736f682022646873732f XMM06=746f6f72223d746363612078756e696c XMM07=6e655f6d61702c7374696d696c5f6d61 XMM08=652075253d64692073253d706f000000 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=ffff888019afe1e8 RBX=0000000000000001 RCX=0000000000000001 RDX=ffff8880161e7901 RSI=ffff8880161e7990 RDI=ffff8880161e7990 RBP=ffff88806cf08ac8 RSP=ffff88806cf089f8 R8 =0000000000000001 R9 =ffff88806cf08ab0 R10=000000000003c9ed R11=0000000000032a10 R12=ffff88806cf08ad0 R13=ffff88806cf08ab8 R14=ffff8880161e7990 R15=ffff88806cf08a70 RIP=ffffffff8135da23 RFL=00000202 [-------] 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 00007f5badd42700 00000000 00000000 GS =0000 ffff8880e548f000 00000000 00000000 LDT=0000 fffffe6d00000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007fa40fd7d018 CR3=000000000d5ff000 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=2039333a30333a373120383120766f4e XMM01=73732878696e755f6d6170203a5d3134 XMM02=65736f6c63206e6f6973736573203a29 XMM03=755f6d6170203a5d3134325b64687373 XMM04=69662068637573206f4e203a656c6163 XMM05=3a656c696620766e65206e65706f206f XMM06=65733a6468737328766e655f6d617020 XMM07=6b7a79732039333a30333a3731203831 XMM08=30343d7974696c696261706163202279 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000