syzkaller login: [ 46.388338] ------------[ cut here ]------------ [ 46.389270] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 46.391248] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/234 [ 46.392674] Modules linked in: [ 46.393256] CPU: 1 UID: 104 PID: 234 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 46.395481] Tainted: [W]=WARN [ 46.396030] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 46.397542] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 46.398454] 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 [ 46.401549] RSP: 0018:ffff8880194ffbc0 EFLAGS: 00010286 [ 46.402521] RAX: 0000000000000000 RBX: ffffed100329ff78 RCX: ffffffff813a4050 [ 46.403775] RDX: ffff888018328000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 46.405049] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed100329ff2f [ 46.406317] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 46.407596] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff8880194ffdf8 [ 46.408861] FS: 00007f6c9e154900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 46.410289] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 46.411353] CR2: 00007f6c9e646580 CR3: 000000000e8d1000 CR4: 0000000000350ef0 [ 46.412626] Call Trace: [ 46.413088] [ 46.413541] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 46.414393] ? __create_object+0x59/0x80 [ 46.415170] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 46.416128] __vmalloc_noprof+0x59/0x60 [ 46.416874] bpf_prog_alloc_no_stats+0x55/0x470 [ 46.417749] ? __pfx_seccomp_check_filter+0x10/0x10 [ 46.418679] bpf_prog_alloc+0x39/0x200 [ 46.419363] ? __pfx_seccomp_check_filter+0x10/0x10 [ 46.420270] bpf_prog_create_from_user+0xb2/0x2f0 [ 46.421149] do_seccomp+0x349/0x25e0 [ 46.421856] ? __pfx_css_rstat_updated+0x10/0x10 [ 46.422756] ? __pfx_do_seccomp+0x10/0x10 [ 46.423539] ? find_held_lock+0x2b/0x80 [ 46.424245] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 46.425190] ? static_key_count+0x60/0x80 [ 46.425973] prctl_set_seccomp+0x4e/0x70 [ 46.426747] __do_sys_prctl+0xe6c/0x1d70 [ 46.427517] ? __pfx___do_sys_prctl+0x10/0x10 [ 46.428320] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 46.429271] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 46.430229] ? irqentry_exit+0xf3/0x650 [ 46.431035] do_syscall_64+0xbf/0x430 [ 46.431816] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 46.432761] RIP: 0033:0x7f6c9e6465cd [ 46.433461] 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 [ 46.436636] RSP: 002b:00007ffcd8779e00 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 46.438009] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f6c9e6465cd [ 46.439310] RDX: 00005636ec4e8e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 46.440590] RBP: 00007ffcd8779e60 R08: 0000000000000000 R09: 00007ffcd8779500 [ 46.441902] R10: 0000000000000000 R11: 0000000000000246 R12: 00005637177fd240 [ 46.443197] R13: 00007ffcd877a290 R14: 00005637177fcbf0 R15: 00005637178114d0 [ 46.444528] [ 46.444954] irq event stamp: 1785 [ 46.445608] hardirqs last enabled at (1795): [] __up_console_sem+0x78/0x80 [ 46.447163] hardirqs last disabled at (1804): [] __up_console_sem+0x5d/0x80 [ 46.448680] softirqs last enabled at (1774): [] handle_softirqs+0x50c/0x770 [ 46.450227] softirqs last disabled at (1769): [] __irq_exit_rcu+0xc4/0x100 [ 46.451770] ---[ end trace 0000000000000000 ]--- [ 50.021858] ------------[ cut here ]------------ [ 50.022801] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 50.024785] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/242 [ 50.026233] Modules linked in: [ 50.027105] CPU: 0 UID: 104 PID: 242 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 50.029476] Tainted: [W]=WARN [ 50.030045] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 50.031539] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 50.032462] 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 [ 50.035642] RSP: 0018:ffff88801631fbc0 EFLAGS: 00010286 [ 50.036615] RAX: 0000000000000000 RBX: ffffed1002c63f78 RCX: ffffffff813a4050 [ 50.037888] RDX: ffff888017b0b780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 50.039189] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002c63f2f [ 50.040477] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 50.041744] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801631fdf8 [ 50.043041] FS: 00007fa73babf900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 50.044470] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.045526] CR2: 00007fff44d85ef8 CR3: 000000000e61f000 CR4: 0000000000350ef0 [ 50.046821] Call Trace: [ 50.047282] [ 50.047741] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 50.048645] ? __create_object+0x59/0x80 [ 50.049381] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 50.050349] __vmalloc_noprof+0x59/0x60 [ 50.051119] bpf_prog_alloc_no_stats+0x55/0x470 [ 50.052004] ? __pfx_seccomp_check_filter+0x10/0x10 [ 50.052937] bpf_prog_alloc+0x39/0x200 [ 50.053680] ? __pfx_seccomp_check_filter+0x10/0x10 [ 50.054623] bpf_prog_create_from_user+0xb2/0x2f0 [ 50.055528] do_seccomp+0x349/0x25e0 [ 50.056192] ? find_held_lock+0x2b/0x80 [ 50.056952] ? do_prlimit+0x310/0x610 [ 50.057692] ? __pfx_do_seccomp+0x10/0x10 [ 50.058491] ? do_raw_spin_unlock+0x53/0x220 [ 50.059291] ? _raw_spin_unlock+0x1e/0x40 [ 50.060075] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 50.061051] ? static_key_count+0x60/0x80 [ 50.061860] prctl_set_seccomp+0x4e/0x70 [ 50.062662] __do_sys_prctl+0xe6c/0x1d70 [ 50.063406] ? __pfx___do_sys_prctl+0x10/0x10 [ 50.064268] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 50.065228] ? irqentry_exit+0xf3/0x650 [ 50.065991] do_syscall_64+0xbf/0x430 [ 50.066742] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 50.067699] RIP: 0033:0x7fa73bfb15cd [ 50.068353] 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 [ 50.071529] RSP: 002b:00007fff44d83dd0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 50.072896] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fa73bfb15cd [ 50.074184] RDX: 000055cd47898e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 50.075496] RBP: 00007fff44d83e30 R08: 0000000000000000 R09: 00007fff44d834d0 [ 50.076801] R10: 0000000000000000 R11: 0000000000000246 R12: 000055cd4f040bf0 [ 50.078083] R13: 00007fff44d84260 R14: 000055cd4f04a380 R15: 000055cd4f055460 [ 50.079383] [ 50.079844] irq event stamp: 1863 [ 50.080488] hardirqs last enabled at (1873): [] __up_console_sem+0x78/0x80 [ 50.082031] hardirqs last disabled at (1882): [] __up_console_sem+0x5d/0x80 [ 50.083570] softirqs last enabled at (1400): [] handle_softirqs+0x50c/0x770 [ 50.085110] softirqs last disabled at (1395): [] __irq_exit_rcu+0xc4/0x100 [ 50.086670] ---[ end trace 0000000000000000 ]--- [ 50.827362] ------------[ cut here ]------------ [ 50.828302] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 50.830302] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/249 [ 50.831779] Modules linked in: [ 50.832370] CPU: 1 UID: 104 PID: 249 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 50.834366] Tainted: [W]=WARN [ 50.834972] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 50.836442] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 50.837307] 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 [ 50.840706] RSP: 0018:ffff8880175efbc0 EFLAGS: 00010286 [ 50.841752] RAX: 0000000000000000 RBX: ffffed1002ebdf78 RCX: ffffffff813a4050 [ 50.843046] RDX: ffff8880160a3780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 50.844309] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002ebdf2f [ 50.845600] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 50.846878] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff8880175efdf8 [ 50.848138] FS: 00007fcfa794d900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 50.849574] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.850634] CR2: 00007ffea9a51ef8 CR3: 000000000c31d000 CR4: 0000000000350ef0 [ 50.851932] Call Trace: [ 50.852401] [ 50.852838] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 50.853734] ? __create_object+0x59/0x80 [ 50.854522] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 50.855508] __vmalloc_noprof+0x59/0x60 [ 50.856219] bpf_prog_alloc_no_stats+0x55/0x470 [ 50.857082] ? __pfx_seccomp_check_filter+0x10/0x10 [ 50.858000] bpf_prog_alloc+0x39/0x200 [ 50.858746] ? __pfx_seccomp_check_filter+0x10/0x10 [ 50.859681] bpf_prog_create_from_user+0xb2/0x2f0 [ 50.860592] do_seccomp+0x349/0x25e0 [ 50.861257] ? find_held_lock+0x2b/0x80 [ 50.862016] ? do_prlimit+0x310/0x610 [ 50.862763] ? __pfx_do_seccomp+0x10/0x10 [ 50.863540] ? do_raw_spin_unlock+0x53/0x220 [ 50.864331] ? _raw_spin_unlock+0x1e/0x40 [ 50.865113] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 50.866069] ? static_key_count+0x60/0x80 [ 50.866879] prctl_set_seccomp+0x4e/0x70 [ 50.867655] __do_sys_prctl+0xe6c/0x1d70 [ 50.868387] ? __pfx___do_sys_prctl+0x10/0x10 [ 50.869249] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 50.870201] ? irqentry_exit+0xf3/0x650 [ 50.870980] do_syscall_64+0xbf/0x430 [ 50.871728] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 50.872676] RIP: 0033:0x7fcfa7e3f5cd [ 50.873337] 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 [ 50.876520] RSP: 002b:00007ffea9a50470 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 50.877900] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fcfa7e3f5cd [ 50.879199] RDX: 0000564bf8871e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 50.880484] RBP: 00007ffea9a504d0 R08: 0000000000000000 R09: 00007ffea9a4fb70 [ 50.881766] R10: 0000000000000000 R11: 0000000000000246 R12: 0000564c13a2ebf0 [ 50.883055] R13: 00007ffea9a50900 R14: 0000564c13a38380 R15: 0000564c13a43460 [ 50.884349] [ 50.884817] irq event stamp: 1849 [ 50.885458] hardirqs last enabled at (1859): [] __up_console_sem+0x78/0x80 [ 50.886995] hardirqs last disabled at (1868): [] __up_console_sem+0x5d/0x80 [ 50.888514] softirqs last enabled at (1846): [] handle_softirqs+0x50c/0x770 [ 50.890067] softirqs last disabled at (1841): [] __irq_exit_rcu+0xc4/0x100 [ 50.891601] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:22602' (ECDSA) to the list of known hosts. 2025/11/18 13:40:34 fuzzer started 2025/11/18 13:40:34 dialing manager at localhost:34383 2025/11/18 13:40:34 checking machine... 2025/11/18 13:40:34 checking revisions... [ 51.792833] kmemleak: Automatic memory scanning thread ended 2025/11/18 13:40:35 testing simple program... [ 51.883002] cgroup: Unknown subsys name 'net' [ 51.946337] cgroup: Unknown subsys name 'cpuset' [ 51.964244] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program VM DIAGNOSIS: 13:40:34 Registers: info registers vcpu 0 RAX=ffffed10040bfa4b RBX=ffffed10040bfa4b RCX=ffffffff8152d714 RDX=ffffed10040bfa4b RSI=0000000000000004 RDI=ffff8880205fd250 RBP=ffffed10040bfa4a RSP=ffff88806ce08cf8 R8 =0000000000000001 R9 =ffffed10040bfa4a R10=ffff8880205fd253 R11=0000000000000001 R12=ffff8880205fd258 R13=ffff8880205fd260 R14=ffff88801a34d4e0 R15=ffff888009472140 RIP=ffffffff81b2d1c9 RFL=00000086 [--S--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 00007fa73babf900 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe2500000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007fff44d7d000 CR3=0000000020740000 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=000000000002a58d RBX=0000000000000001 RCX=ffffffff84c72d57 RDX=0000000000000000 RSI=0000000000000000 RDI=ffffffff814d2c90 RBP=dffffc0000000000 RSP=ffff8880096efe58 R8 =0000000000000001 R9 =ffffed100d9e639a R10=ffff88806cf31cd3 R11=0000000000000001 R12=ffffffff8664f850 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 fffffe4500000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007fffbdc2a708 CR3=000000000a030000 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=5266246f6f8e189633405705cfea29ec XMM02=2c67c8bc2e329bc30000000000305348 XMM03=fb795ef6d657705600000000003118d8 XMM04=0859036b0b08643200000000000ae988 XMM05=090f1556b20111b300000000003209f0 XMM06=23631f47e27e06aa000000000031a9b8 XMM07=e042d86d42eb936e0000000000311bb0 XMM08=85161eee85f4c92600000000003053a8 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000