syzkaller login: [ 38.958121] ------------[ cut here ]------------ [ 38.959059] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 38.961079] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/231 [ 38.962540] Modules linked in: [ 38.963163] CPU: 1 UID: 104 PID: 231 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 38.965166] Tainted: [W]=WARN [ 38.965711] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 38.967176] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 38.968113] 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 [ 38.971298] RSP: 0018:ffff888013e77bc0 EFLAGS: 00010286 [ 38.972308] RAX: 0000000000000000 RBX: ffffed10027cef78 RCX: ffffffff813a4050 [ 38.973599] RDX: ffff888015c23780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 38.974891] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed10027cef2f [ 38.976213] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000400dc0 [ 38.977522] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888013e77df8 [ 38.978815] FS: 00007fd8a14a9900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 38.980303] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 38.981375] CR2: 00007ffed5607ef8 CR3: 000000000b7fa000 CR4: 0000000000350ef0 [ 38.982678] Call Trace: [ 38.983184] [ 38.983613] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 38.984532] ? __create_object+0x59/0x80 [ 38.985316] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 38.986289] __vmalloc_noprof+0x59/0x60 [ 38.987052] bpf_prog_alloc_no_stats+0x55/0x470 [ 38.987953] ? __pfx_seccomp_check_filter+0x10/0x10 [ 38.988897] bpf_prog_alloc+0x39/0x200 [ 38.989600] ? __pfx_seccomp_check_filter+0x10/0x10 [ 38.990545] bpf_prog_create_from_user+0xb2/0x2f0 [ 38.991475] do_seccomp+0x349/0x25e0 [ 38.992190] ? find_held_lock+0x2b/0x80 [ 38.992971] ? do_prlimit+0x310/0x610 [ 38.993674] ? __pfx_do_seccomp+0x10/0x10 [ 38.994459] ? do_raw_spin_unlock+0x53/0x220 [ 38.995292] ? _raw_spin_unlock+0x1e/0x40 [ 38.996090] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 38.997051] ? static_key_count+0x60/0x80 [ 38.997811] prctl_set_seccomp+0x4e/0x70 [ 38.998587] __do_sys_prctl+0xe6c/0x1d70 [ 38.999375] ? __pfx___do_sys_prctl+0x10/0x10 [ 39.000393] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 39.001385] ? irqentry_exit+0xf3/0x650 [ 39.002182] do_syscall_64+0xbf/0x430 [ 39.002929] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 39.003916] RIP: 0033:0x7fd8a199b5cd [ 39.004594] 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 [ 39.007792] RSP: 002b:00007ffed5605ad0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 39.009181] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fd8a199b5cd [ 39.010481] RDX: 000055b165ccee00 RSI: 0000000000000002 RDI: 0000000000000016 [ 39.011789] RBP: 00007ffed5605b30 R08: 0000000000000000 R09: 00007ffed56051d0 [ 39.013093] R10: 0000000000000000 R11: 0000000000000246 R12: 000055b169bc6bf0 [ 39.014388] R13: 00007ffed5605f60 R14: 000055b169bd0380 R15: 000055b169bdb460 [ 39.015723] [ 39.016193] irq event stamp: 1781 [ 39.016796] hardirqs last enabled at (1789): [] __up_console_sem+0x78/0x80 [ 39.018312] hardirqs last disabled at (1798): [] __up_console_sem+0x5d/0x80 [ 39.019873] softirqs last enabled at (1390): [] handle_softirqs+0x50c/0x770 [ 39.021445] softirqs last disabled at (1375): [] __irq_exit_rcu+0xc4/0x100 [ 39.022967] ---[ end trace 0000000000000000 ]--- [ 42.533774] ------------[ cut here ]------------ [ 42.534565] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.536280] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/242 [ 42.537480] Modules linked in: [ 42.538014] CPU: 1 UID: 104 PID: 242 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 42.539678] Tainted: [W]=WARN [ 42.540177] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.541412] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.542174] 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 [ 42.544810] RSP: 0018:ffff88800ef97bc0 EFLAGS: 00010286 [ 42.545624] RAX: 0000000000000000 RBX: ffffed1001df2f78 RCX: ffffffff813a4050 [ 42.546677] RDX: ffff88800f470000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.547747] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1001df2f2f [ 42.548805] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.549870] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88800ef97df8 [ 42.550932] FS: 00007f1a481ba900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 42.552141] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.553024] CR2: 00007ffeae91cef8 CR3: 000000001f9e3000 CR4: 0000000000350ef0 [ 42.554100] Call Trace: [ 42.554495] [ 42.554834] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.555594] ? __create_object+0x59/0x80 [ 42.556290] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.557091] __vmalloc_noprof+0x59/0x60 [ 42.557683] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.558405] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.559170] bpf_prog_alloc+0x39/0x200 [ 42.559764] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.560538] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.561288] do_seccomp+0x349/0x25e0 [ 42.561890] ? find_held_lock+0x2b/0x80 [ 42.562484] ? do_prlimit+0x310/0x610 [ 42.563101] ? __pfx_do_seccomp+0x10/0x10 [ 42.563728] ? do_raw_spin_unlock+0x53/0x220 [ 42.564425] ? _raw_spin_unlock+0x1e/0x40 [ 42.565072] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.565838] ? static_key_count+0x60/0x80 [ 42.566506] prctl_set_seccomp+0x4e/0x70 [ 42.567148] __do_sys_prctl+0xe6c/0x1d70 [ 42.567774] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.568483] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.569289] ? irqentry_exit+0xf3/0x650 [ 42.569924] do_syscall_64+0xbf/0x430 [ 42.570505] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.571295] RIP: 0033:0x7f1a486ac5cd [ 42.571878] 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 [ 42.574607] RSP: 002b:00007ffeae91b480 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.575754] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f1a486ac5cd [ 42.576805] RDX: 00005651da92be00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.577879] RBP: 00007ffeae91b4e0 R08: 0000000000000000 R09: 00007ffeae91ab80 [ 42.578953] R10: 0000000000000000 R11: 0000000000000246 R12: 00005651ee19d2b0 [ 42.580032] R13: 00007ffeae91b910 R14: 00005651ee19fd20 R15: 00005651ee1b18d0 [ 42.581124] [ 42.581487] irq event stamp: 1693 [ 42.582026] hardirqs last enabled at (1703): [] __up_console_sem+0x78/0x80 [ 42.583289] hardirqs last disabled at (1712): [] __up_console_sem+0x5d/0x80 [ 42.584563] softirqs last enabled at (1446): [] handle_softirqs+0x50c/0x770 [ 42.585841] softirqs last disabled at (1441): [] __irq_exit_rcu+0xc4/0x100 [ 42.587126] ---[ end trace 0000000000000000 ]--- [ 43.422686] ------------[ cut here ]------------ [ 43.423888] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 43.426485] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/250 [ 43.428276] Modules linked in: [ 43.428971] CPU: 0 UID: 104 PID: 250 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 43.431474] Tainted: [W]=WARN [ 43.432148] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 43.433728] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 43.434731] 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 [ 43.438135] RSP: 0018:ffff8880176dfbc0 EFLAGS: 00010286 [ 43.439203] RAX: 0000000000000000 RBX: ffffed1002edbf78 RCX: ffffffff813a4050 [ 43.440623] RDX: ffff88800f658000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 43.441946] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002edbf2f [ 43.443239] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 43.444546] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff8880176dfdf8 [ 43.445871] FS: 00007f6098f97900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 43.447285] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 43.448366] CR2: 00007ffea02bbef8 CR3: 000000000e40c000 CR4: 0000000000350ef0 [ 43.449658] Call Trace: [ 43.450171] [ 43.450585] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 43.451476] ? __create_object+0x59/0x80 [ 43.452268] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 43.453229] __vmalloc_noprof+0x59/0x60 [ 43.453982] bpf_prog_alloc_no_stats+0x55/0x470 [ 43.454795] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.455723] bpf_prog_alloc+0x39/0x200 [ 43.456454] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.457378] bpf_prog_create_from_user+0xb2/0x2f0 [ 43.458279] do_seccomp+0x349/0x25e0 [ 43.459008] ? find_held_lock+0x2b/0x80 [ 43.459729] ? do_prlimit+0x310/0x610 [ 43.460480] ? __pfx_do_seccomp+0x10/0x10 [ 43.461257] ? do_raw_spin_unlock+0x53/0x220 [ 43.462084] ? _raw_spin_unlock+0x1e/0x40 [ 43.462813] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 43.463769] ? static_key_count+0x60/0x80 [ 43.464563] prctl_set_seccomp+0x4e/0x70 [ 43.465336] __do_sys_prctl+0xe6c/0x1d70 [ 43.466114] ? __pfx___do_sys_prctl+0x10/0x10 [ 43.466966] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 43.467919] ? irqentry_exit+0xf3/0x650 [ 43.468517] do_syscall_64+0xbf/0x430 [ 43.469148] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 43.469931] RIP: 0033:0x7f60994895cd [ 43.470479] 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 [ 43.473130] RSP: 002b:00007ffea02ba200 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 43.474255] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f60994895cd [ 43.475315] RDX: 000055f620703e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 43.476383] RBP: 00007ffea02ba260 R08: 0000000000000000 R09: 00007ffea02b9900 [ 43.477443] R10: 0000000000000000 R11: 0000000000000246 R12: 000055f634557bf0 [ 43.478508] R13: 00007ffea02ba690 R14: 000055f634561380 R15: 000055f63456c460 [ 43.479603] [ 43.480000] irq event stamp: 1899 [ 43.480504] hardirqs last enabled at (1907): [] __up_console_sem+0x78/0x80 [ 43.481771] hardirqs last disabled at (1916): [] __up_console_sem+0x5d/0x80 [ 43.483035] softirqs last enabled at (1820): [] handle_softirqs+0x50c/0x770 [ 43.484324] softirqs last disabled at (1815): [] __irq_exit_rcu+0xc4/0x100 [ 43.485578] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:36605' (ECDSA) to the list of known hosts. 2025/11/18 05:54:27 fuzzer started 2025/11/18 05:54:27 dialing manager at localhost:37895 2025/11/18 05:54:27 checking machine... 2025/11/18 05:54:27 checking revisions... [ 44.381720] kmemleak: Automatic memory scanning thread ended 2025/11/18 05:54:27 testing simple program... [ 44.479196] cgroup: Unknown subsys name 'net' [ 44.546610] cgroup: Unknown subsys name 'cpuset' [ 44.559119] cgroup: Unknown subsys name 'rlimit' executing program executing program VM DIAGNOSIS: 05:54:26 Registers: info registers vcpu 0 RAX=2452a52e359ab700 RBX=0000000000000000 RCX=0000000000000002 RDX=0000000000000000 RSI=0000000000000000 RDI=ffffffff85e1ffe0 RBP=ffffffff85e1ffe0 RSP=ffff8880174e7200 R8 =0000000000000000 R9 =0000000000000000 R10=000000000003c9ed R11=000000000002560c R12=0000000000000002 R13=0000000000000000 R14=0000000000000000 R15=ffff8880174e72e8 RIP=ffffffff81529242 RFL=00000286 [--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 00007f1a481ba900 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe6b00000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f1a48771618 CR3=000000001f9b8000 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=6e69676f6c5f6d61702c78756e696c65 XMM02=755f6d61702c74696d7265705f6d6170 XMM03=2c766e655f6d61702c7374696d696c5f XMM04=6d61702c766e655f6d61702c7374696d XMM05=78696e755f6d61702c74696d7265705f XMM06=6469756e69676f6c5f6d61702c78756e XMM07=672065736f6c635f6e6f69737365733a XMM08=61662029286e65706f5f746964756100 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=0000000000000005 RBX=ffff8880096fb780 RCX=0000000000000001 RDX=0000000000000005 RSI=0000000000000000 RDI=ffffffff85e1ffe0 RBP=ffff8880096fc1d8 RSP=ffff888009757648 R8 =0000000000000000 R9 =0000000000000005 R10=0000000000000001 R11=0000000000000000 R12=ffff8880096fc200 R13=0000000000000003 R14=0000000000000000 R15=0000000000000000 RIP=ffffffff81527128 RFL=00000007 [-----PC] 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 fffffe0600000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007ffdc2896598 CR3=000000000d3b9000 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=756f6a2f646d65747379732f6e75722f XMM01=00676f6c7379732f6c616e72756f6a2f XMM02=756f6a2f646d65747379732f6e75722f XMM03=006c616e72756f6a2f646d6574737973 XMM04=8765a596675f0dd800000000000ae988 XMM05=059cb831c8361f0e000000000031fb38 XMM06=5b75c91c80445342000000000031e1c0 XMM07=fb795ef6d6577056000000000030d000 XMM08=4f5453444600273d67736d000d0a0920 XMM09=00000000000000000000000000000000 XMM10=20200000000020202020202020200000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000