syzkaller login: [ 46.435859] ------------[ cut here ]------------ [ 46.436785] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 46.438773] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/245 [ 46.440967] Modules linked in: [ 46.441622] CPU: 0 UID: 104 PID: 245 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 46.443607] Tainted: [W]=WARN [ 46.444169] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 46.445673] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 46.446576] 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 [ 46.449776] RSP: 0018:ffff888018577bc0 EFLAGS: 00010286 [ 46.450762] RAX: 0000000000000000 RBX: ffffed10030aef78 RCX: ffffffff813a4050 [ 46.452085] RDX: ffff8880155d3780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 46.453378] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed10030aef2f [ 46.454655] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 46.455961] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888018577df8 [ 46.457223] FS: 00007efe2ff68900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 46.458662] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 46.459786] CR2: 00007fff8a0f8ef7 CR3: 000000000d842000 CR4: 0000000000350ef0 [ 46.461094] Call Trace: [ 46.461610] [ 46.462024] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 46.462930] ? __create_object+0x59/0x80 [ 46.463720] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 46.464707] __vmalloc_noprof+0x59/0x60 [ 46.465418] bpf_prog_alloc_no_stats+0x55/0x470 [ 46.466281] ? __pfx_seccomp_check_filter+0x10/0x10 [ 46.467227] bpf_prog_alloc+0x39/0x200 [ 46.467974] ? __pfx_seccomp_check_filter+0x10/0x10 [ 46.468911] bpf_prog_create_from_user+0xb2/0x2f0 [ 46.469814] do_seccomp+0x349/0x25e0 [ 46.470480] ? find_held_lock+0x2b/0x80 [ 46.471211] ? do_prlimit+0x310/0x610 [ 46.471960] ? __pfx_do_seccomp+0x10/0x10 [ 46.472744] ? do_raw_spin_unlock+0x53/0x220 [ 46.473577] ? _raw_spin_unlock+0x1e/0x40 [ 46.474319] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 46.475273] ? static_key_count+0x60/0x80 [ 46.476078] prctl_set_seccomp+0x4e/0x70 [ 46.476845] __do_sys_prctl+0xe6c/0x1d70 [ 46.477630] ? __pfx___do_sys_prctl+0x10/0x10 [ 46.478436] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 46.479405] ? irqentry_exit+0xf3/0x650 [ 46.480185] do_syscall_64+0xbf/0x430 [ 46.480971] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 46.482204] RIP: 0033:0x7efe3045a5cd [ 46.483132] 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 [ 46.487280] RSP: 002b:00007fff8a0f6f40 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 46.488746] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007efe3045a5cd [ 46.490087] RDX: 000055bdefbb3e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 46.491407] RBP: 00007fff8a0f6fa0 R08: 0000000000000000 R09: 00007fff8a0f6640 [ 46.492738] R10: 0000000000000000 R11: 0000000000000246 R12: 000055bdf3b18bf0 [ 46.494070] R13: 00007fff8a0f73d0 R14: 000055bdf3b22380 R15: 000055bdf3b2d460 [ 46.495417] [ 46.495938] irq event stamp: 1879 [ 46.496610] hardirqs last enabled at (1889): [] __up_console_sem+0x78/0x80 [ 46.498165] hardirqs last disabled at (1898): [] __up_console_sem+0x5d/0x80 [ 46.499780] softirqs last enabled at (1798): [] handle_softirqs+0x50c/0x770 [ 46.501393] softirqs last disabled at (1781): [] __irq_exit_rcu+0xc4/0x100 [ 46.502961] ---[ end trace 0000000000000000 ]--- [ 49.425466] ------------[ cut here ]------------ [ 49.426380] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 49.428398] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/252 [ 49.429854] Modules linked in: [ 49.430436] CPU: 0 UID: 104 PID: 252 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 49.432453] Tainted: [W]=WARN [ 49.433057] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 49.434539] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 49.435405] 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 [ 49.438585] RSP: 0018:ffff8880186afbc0 EFLAGS: 00010286 [ 49.439629] RAX: 0000000000000000 RBX: ffffed10030d5f78 RCX: ffffffff813a4050 [ 49.440931] RDX: ffff88800a073780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 49.442210] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed10030d5f2f [ 49.443525] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000400dc0 [ 49.444808] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff8880186afdf8 [ 49.446118] FS: 00007f5254319900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 49.447573] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 49.448657] CR2: 00007ffd15e70ef7 CR3: 0000000016cf8000 CR4: 0000000000350ef0 [ 49.449958] Call Trace: [ 49.450435] [ 49.450901] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 49.451836] ? __create_object+0x59/0x80 [ 49.452612] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 49.453588] __vmalloc_noprof+0x59/0x60 [ 49.454305] bpf_prog_alloc_no_stats+0x55/0x470 [ 49.455191] ? __pfx_seccomp_check_filter+0x10/0x10 [ 49.456151] bpf_prog_alloc+0x39/0x200 [ 49.456894] ? __pfx_seccomp_check_filter+0x10/0x10 [ 49.457841] bpf_prog_create_from_user+0xb2/0x2f0 [ 49.458755] do_seccomp+0x349/0x25e0 [ 49.459428] ? find_held_lock+0x2b/0x80 [ 49.460216] ? do_prlimit+0x310/0x610 [ 49.460950] ? __pfx_do_seccomp+0x10/0x10 [ 49.461743] ? do_raw_spin_unlock+0x53/0x220 [ 49.462573] ? _raw_spin_unlock+0x1e/0x40 [ 49.463306] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 49.464279] ? static_key_count+0x60/0x80 [ 49.465092] prctl_set_seccomp+0x4e/0x70 [ 49.465862] __do_sys_prctl+0xe6c/0x1d70 [ 49.466646] ? __pfx___do_sys_prctl+0x10/0x10 [ 49.467534] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 49.468457] ? irqentry_exit+0xf3/0x650 [ 49.469228] do_syscall_64+0xbf/0x430 [ 49.469975] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 49.470939] RIP: 0033:0x7f525480b5cd [ 49.471662] 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 [ 49.474824] RSP: 002b:00007ffd15e6edd0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 49.476194] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f525480b5cd [ 49.477508] RDX: 000055cc5b6dae00 RSI: 0000000000000002 RDI: 0000000000000016 [ 49.478825] RBP: 00007ffd15e6ee30 R08: 0000000000000000 R09: 00007ffd15e6e4d0 [ 49.480120] R10: 0000000000000000 R11: 0000000000000246 R12: 000055cc8cadfad0 [ 49.481391] R13: 00007ffd15e6f260 R14: 000055cc8cae0bc0 R15: 000055cc8caf1780 [ 49.482702] [ 49.483142] irq event stamp: 1717 [ 49.483799] hardirqs last enabled at (1727): [] __up_console_sem+0x78/0x80 [ 49.485311] hardirqs last disabled at (1736): [] __up_console_sem+0x5d/0x80 [ 49.486849] softirqs last enabled at (1676): [] handle_softirqs+0x50c/0x770 [ 49.488295] softirqs last disabled at (1671): [] __irq_exit_rcu+0xc4/0x100 [ 49.489258] ---[ end trace 0000000000000000 ]--- [ 50.168091] ------------[ cut here ]------------ [ 50.169014] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 50.171017] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/259 [ 50.172471] Modules linked in: [ 50.173117] CPU: 1 UID: 104 PID: 259 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 50.175131] Tainted: [W]=WARN [ 50.175989] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 50.177568] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 50.178427] 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 [ 50.181627] RSP: 0018:ffff888009defbc0 EFLAGS: 00010286 [ 50.182613] RAX: 0000000000000000 RBX: ffffed10013bdf78 RCX: ffffffff813a4050 [ 50.183914] RDX: ffff8880165a1bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 50.185181] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed10013bdf2f [ 50.186461] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 50.187790] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888009defdf8 [ 50.189083] FS: 00007fd8e4b51900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 50.190545] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.191639] CR2: 00007fd8e5043580 CR3: 000000000ba1c000 CR4: 0000000000350ef0 [ 50.192950] Call Trace: [ 50.193421] [ 50.193874] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 50.194774] ? __create_object+0x59/0x80 [ 50.195575] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 50.196552] __vmalloc_noprof+0x59/0x60 [ 50.197273] bpf_prog_alloc_no_stats+0x55/0x470 [ 50.198170] ? __pfx_seccomp_check_filter+0x10/0x10 [ 50.199168] bpf_prog_alloc+0x39/0x200 [ 50.199931] ? __pfx_seccomp_check_filter+0x10/0x10 [ 50.200871] bpf_prog_create_from_user+0xb2/0x2f0 [ 50.201788] do_seccomp+0x349/0x25e0 [ 50.202467] ? __pfx_css_rstat_updated+0x10/0x10 [ 50.203371] ? __pfx_do_seccomp+0x10/0x10 [ 50.204162] ? find_held_lock+0x2b/0x80 [ 50.204925] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 50.205891] ? static_key_count+0x60/0x80 [ 50.206696] prctl_set_seccomp+0x4e/0x70 [ 50.207438] __do_sys_prctl+0xe6c/0x1d70 [ 50.208245] ? __pfx___do_sys_prctl+0x10/0x10 [ 50.209105] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 50.210076] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 50.211053] ? irqentry_exit+0xf3/0x650 [ 50.211852] do_syscall_64+0xbf/0x430 [ 50.212603] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 50.213570] RIP: 0033:0x7fd8e50435cd [ 50.214237] 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 [ 50.217509] RSP: 002b:00007ffe68a42040 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 50.218875] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fd8e50435cd [ 50.220191] RDX: 00005644e6d05e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 50.221481] RBP: 00007ffe68a420a0 R08: 0000000000000000 R09: 00007ffe68a41740 [ 50.222808] R10: 0000000000000000 R11: 0000000000000246 R12: 000056452228f2b0 [ 50.224107] R13: 00007ffe68a424d0 R14: 0000564522291d20 R15: 00005645222a38d0 [ 50.225423] [ 50.225921] irq event stamp: 1769 [ 50.226591] hardirqs last enabled at (1779): [] __up_console_sem+0x78/0x80 [ 50.228138] hardirqs last disabled at (1788): [] __up_console_sem+0x5d/0x80 [ 50.229462] softirqs last enabled at (1492): [] handle_softirqs+0x50c/0x770 [ 50.230763] softirqs last disabled at (1487): [] __irq_exit_rcu+0xc4/0x100 [ 50.232020] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:60512' (ECDSA) to the list of known hosts. 2025/11/19 05:58:30 fuzzer started 2025/11/19 05:58:31 dialing manager at localhost:34383 2025/11/19 05:58:31 checking machine... 2025/11/19 05:58:31 checking revisions... [ 51.147848] kmemleak: Automatic memory scanning thread ended 2025/11/19 05:58:31 testing simple program... [ 51.231063] cgroup: Unknown subsys name 'net' [ 51.283861] cgroup: Unknown subsys name 'cpuset' [ 51.294994] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program VM DIAGNOSIS: 05:58:30 Registers: info registers vcpu 0 RAX=0000000000049a8d RBX=0000000000000000 RCX=ffffffff84c72d57 RDX=0000000000000000 RSI=0000000000000000 RDI=ffffffff814d2c90 RBP=dffffc0000000000 RSP=ffffffff85c07e00 R8 =0000000000000001 R9 =ffffed100d9c639a R10=ffff88806ce31cd3 R11=0000000000000001 R12=ffffffff8664f850 R13=1ffffffff0b80fc7 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 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe4000000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007fb8d8c6d030 CR3=000000001b5c4000 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=38353a353020393120766f4e3e36383c XMM01=7365733a646873732878696e755f6d61 XMM02=736f6c63206e6f6973736573203a296e XMM03=5f6d6170203a5d3135325b6468737320 XMM04=6456774875434142334f726f59427469 XMM05=485320415352203a3268737320323532 XMM06=206d6f726620746f6f7220726f662079 XMM07=00000000000000000000000000000000 XMM08=3a677562656420676f6c737973720000 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=ffff8880096fb780 RBX=0000000000000000 RCX=0000000000000002 RDX=0000000000000000 RSI=ffffffff8135e4bd RDI=fffffbfff0bc3ffc RBP=ffffffff85e1ffe0 RSP=ffff888009757748 R8 =0000000000000000 R9 =0000000000000000 R10=000000000003c9ed R11=0000000000003ecc R12=0000000000000002 R13=0000000000000000 R14=0000000000000000 R15=0000000000000200 RIP=ffffffff81529352 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 fffffe4500000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007ffd15e68000 CR3=000000001b5c4000 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=2030333a38353a353020393120766f4e XMM01=73732878696e755f6d6170203a5d3135 XMM02=65736f6c63206e6f6973736573203a29 XMM03=755f6d6170203a5d3135325b64687373 XMM04=69662068637573206f4e203a656c6163 XMM05=3a656c696620766e65206e65706f206f XMM06=65733a6468737328766e655f6d617020 XMM07=6b7a79732039323a38353a3530203931 XMM08=30343d7974696c696261706163202279 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000