syzkaller login: [ 46.732393] ------------[ cut here ]------------ [ 46.733322] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 46.735381] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/234 [ 46.736847] Modules linked in: [ 46.737448] CPU: 1 UID: 104 PID: 234 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 46.739510] Tainted: [W]=WARN [ 46.740128] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 46.741601] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 46.742550] 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 [ 46.745763] RSP: 0018:ffff888016b6fbc0 EFLAGS: 00010286 [ 46.746711] RAX: 0000000000000000 RBX: ffffed1002d6df78 RCX: ffffffff813a4050 [ 46.748040] RDX: ffff8880198b3780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 46.749326] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002d6df2f [ 46.750637] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 46.751948] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888016b6fdf8 [ 46.753230] FS: 00007fc5b3f68900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 46.754682] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 46.755838] CR2: 00007fff72374ef8 CR3: 000000000d5a1000 CR4: 0000000000350ef0 [ 46.757129] Call Trace: [ 46.757594] [ 46.758052] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 46.758966] ? __create_object+0x59/0x80 [ 46.759707] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 46.760677] __vmalloc_noprof+0x59/0x60 [ 46.761454] bpf_prog_alloc_no_stats+0x55/0x470 [ 46.762343] ? __pfx_seccomp_check_filter+0x10/0x10 [ 46.763295] bpf_prog_alloc+0x39/0x200 [ 46.764039] ? __pfx_seccomp_check_filter+0x10/0x10 [ 46.764977] bpf_prog_create_from_user+0xb2/0x2f0 [ 46.765881] do_seccomp+0x349/0x25e0 [ 46.766571] ? find_held_lock+0x2b/0x80 [ 46.767343] ? do_prlimit+0x310/0x610 [ 46.767974] ? __pfx_do_seccomp+0x10/0x10 [ 46.768588] ? do_raw_spin_unlock+0x53/0x220 [ 46.769273] ? _raw_spin_unlock+0x1e/0x40 [ 46.769930] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 46.770707] ? static_key_count+0x60/0x80 [ 46.771379] prctl_set_seccomp+0x4e/0x70 [ 46.772030] __do_sys_prctl+0xe6c/0x1d70 [ 46.772640] ? __pfx___do_sys_prctl+0x10/0x10 [ 46.773360] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 46.774184] ? irqentry_exit+0xf3/0x650 [ 46.774837] do_syscall_64+0xbf/0x430 [ 46.775423] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 46.776219] RIP: 0033:0x7fc5b445a5cd [ 46.776835] 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 [ 46.779519] RSP: 002b:00007fff72373c60 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 46.780670] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fc5b445a5cd [ 46.781760] RDX: 000055ecb7881e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 46.782854] RBP: 00007fff72373cc0 R08: 0000000000000000 R09: 00007fff72373360 [ 46.783920] R10: 0000000000000000 R11: 0000000000000246 R12: 000055ecb9be6ad0 [ 46.784991] R13: 00007fff723740f0 R14: 000055ecb9be7bc0 R15: 000055ecb9bf8780 [ 46.786076] [ 46.786436] irq event stamp: 2863 [ 46.786974] hardirqs last enabled at (2873): [] __up_console_sem+0x78/0x80 [ 46.788242] hardirqs last disabled at (2882): [] __up_console_sem+0x5d/0x80 [ 46.789522] softirqs last enabled at (2784): [] handle_softirqs+0x50c/0x770 [ 46.790832] softirqs last disabled at (2779): [] __irq_exit_rcu+0xc4/0x100 [ 46.792099] ---[ end trace 0000000000000000 ]--- [ 49.642288] ------------[ cut here ]------------ [ 49.643263] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 49.645318] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/241 [ 49.646798] Modules linked in: [ 49.647404] CPU: 0 UID: 104 PID: 241 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 49.649399] Tainted: [W]=WARN [ 49.650003] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 49.651527] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 49.652458] 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 [ 49.655674] RSP: 0018:ffff888016937bc0 EFLAGS: 00010286 [ 49.656680] RAX: 0000000000000000 RBX: ffffed1002d26f78 RCX: ffffffff813a4050 [ 49.657950] RDX: ffff88800eea8000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 49.659251] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002d26f2f [ 49.660550] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 49.661838] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888016937df8 [ 49.663160] FS: 00007f75e5837900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 49.664617] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 49.665683] CR2: 00007ffd26189ef8 CR3: 000000001ff42000 CR4: 0000000000350ef0 [ 49.667003] Call Trace: [ 49.667467] [ 49.667931] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 49.668849] ? __create_object+0x59/0x80 [ 49.669603] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 49.670577] __vmalloc_noprof+0x59/0x60 [ 49.671339] bpf_prog_alloc_no_stats+0x55/0x470 [ 49.672231] ? __pfx_seccomp_check_filter+0x10/0x10 [ 49.673180] bpf_prog_alloc+0x39/0x200 [ 49.673934] ? __pfx_seccomp_check_filter+0x10/0x10 [ 49.674891] bpf_prog_create_from_user+0xb2/0x2f0 [ 49.675815] do_seccomp+0x349/0x25e0 [ 49.676491] ? find_held_lock+0x2b/0x80 [ 49.677258] ? do_prlimit+0x310/0x610 [ 49.677993] ? __pfx_do_seccomp+0x10/0x10 [ 49.678803] ? do_raw_spin_unlock+0x53/0x220 [ 49.679593] ? _raw_spin_unlock+0x1e/0x40 [ 49.680376] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 49.681356] ? static_key_count+0x60/0x80 [ 49.682170] prctl_set_seccomp+0x4e/0x70 [ 49.682966] __do_sys_prctl+0xe6c/0x1d70 [ 49.683701] ? __pfx___do_sys_prctl+0x10/0x10 [ 49.684582] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 49.685566] ? irqentry_exit+0xf3/0x650 [ 49.686348] do_syscall_64+0xbf/0x430 [ 49.687118] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 49.688093] RIP: 0033:0x7f75e5d295cd [ 49.688807] 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 [ 49.692034] RSP: 002b:00007ffd26187470 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 49.693428] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f75e5d295cd [ 49.694721] RDX: 0000563f5ca4fe00 RSI: 0000000000000002 RDI: 0000000000000016 [ 49.696039] RBP: 00007ffd261874d0 R08: 0000000000000000 R09: 00007ffd26186b70 [ 49.697342] R10: 0000000000000000 R11: 0000000000000246 R12: 0000563f7465fad0 [ 49.698644] R13: 00007ffd26187900 R14: 0000563f74660bc0 R15: 0000563f74671780 [ 49.699936] [ 49.700368] irq event stamp: 1733 [ 49.701033] hardirqs last enabled at (1743): [] __up_console_sem+0x78/0x80 [ 49.702586] hardirqs last disabled at (1752): [] __up_console_sem+0x5d/0x80 [ 49.704142] softirqs last enabled at (1692): [] handle_softirqs+0x50c/0x770 [ 49.705697] softirqs last disabled at (1687): [] __irq_exit_rcu+0xc4/0x100 [ 49.707272] ---[ end trace 0000000000000000 ]--- [ 50.353817] ------------[ cut here ]------------ [ 50.354730] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 50.356907] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/248 [ 50.358378] Modules linked in: [ 50.359019] CPU: 1 UID: 104 PID: 248 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 50.361280] Tainted: [W]=WARN [ 50.361952] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 50.363454] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 50.364387] 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 [ 50.367568] RSP: 0018:ffff888016e4fbc0 EFLAGS: 00010286 [ 50.368565] RAX: 0000000000000000 RBX: ffffed1002dc9f78 RCX: ffffffff813a4050 [ 50.369857] RDX: ffff88800d871bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 50.371175] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002dc9f2f [ 50.372484] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 50.373793] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888016e4fdf8 [ 50.375131] FS: 00007fd319ffa900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 50.376592] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.377650] CR2: 00007ffecbab9ef8 CR3: 000000002083b000 CR4: 0000000000350ef0 [ 50.378950] Call Trace: [ 50.379419] [ 50.379872] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 50.380784] ? __create_object+0x59/0x80 [ 50.381533] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 50.382510] __vmalloc_noprof+0x59/0x60 [ 50.383265] bpf_prog_alloc_no_stats+0x55/0x470 [ 50.384147] ? __pfx_seccomp_check_filter+0x10/0x10 [ 50.385121] bpf_prog_alloc+0x39/0x200 [ 50.385883] ? __pfx_seccomp_check_filter+0x10/0x10 [ 50.386837] bpf_prog_create_from_user+0xb2/0x2f0 [ 50.387719] do_seccomp+0x349/0x25e0 [ 50.388526] ? find_held_lock+0x2b/0x80 [ 50.389323] ? do_prlimit+0x310/0x610 [ 50.390071] ? __pfx_do_seccomp+0x10/0x10 [ 50.390881] ? do_raw_spin_unlock+0x53/0x220 [ 50.391663] ? _raw_spin_unlock+0x1e/0x40 [ 50.392436] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 50.393397] ? static_key_count+0x60/0x80 [ 50.394189] prctl_set_seccomp+0x4e/0x70 [ 50.394968] __do_sys_prctl+0xe6c/0x1d70 [ 50.395697] ? __pfx___do_sys_prctl+0x10/0x10 [ 50.396547] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 50.397501] ? irqentry_exit+0xf3/0x650 [ 50.398285] do_syscall_64+0xbf/0x430 [ 50.399059] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 50.400016] RIP: 0033:0x7fd31a4ec5cd [ 50.400679] 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 [ 50.403860] RSP: 002b:00007ffecbab7f00 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 50.405235] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fd31a4ec5cd [ 50.406538] RDX: 000055f075435e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 50.407836] RBP: 00007ffecbab7f60 R08: 0000000000000000 R09: 00007ffecbab7600 [ 50.409121] R10: 0000000000000000 R11: 0000000000000246 R12: 000055f0a9c9abf0 [ 50.410416] R13: 00007ffecbab8390 R14: 000055f0a9ca4380 R15: 000055f0a9caf460 [ 50.411704] [ 50.412180] irq event stamp: 1829 [ 50.412842] hardirqs last enabled at (1839): [] __up_console_sem+0x78/0x80 [ 50.414381] hardirqs last disabled at (1848): [] __up_console_sem+0x5d/0x80 [ 50.415802] softirqs last enabled at (1766): [] handle_softirqs+0x50c/0x770 [ 50.417082] softirqs last disabled at (1761): [] __irq_exit_rcu+0xc4/0x100 [ 50.418356] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:32427' (ECDSA) to the list of known hosts. 2025/11/18 06:03:17 fuzzer started 2025/11/18 06:03:17 dialing manager at localhost:37895 2025/11/18 06:03:17 checking machine... 2025/11/18 06:03:17 checking revisions... [ 51.301397] kmemleak: Automatic memory scanning thread ended 2025/11/18 06:03:17 testing simple program... [ 51.386882] cgroup: Unknown subsys name 'net' [ 51.447548] cgroup: Unknown subsys name 'cpuset' [ 51.460301] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program VM DIAGNOSIS: 06:03:16 Registers: info registers vcpu 0 RAX=0000000000000001 RBX=0000000000000001 RCX=dfb8078e475e76a4 RDX=0000000085cb9a3e RSI=000000008301a466 RDI=0000000081125d94 RBP=ffff88806ce08aa8 RSP=ffff88806ce089d8 R8 =0000000000000001 R9 =0000000000000000 R10=0000000000000001 R11=0000000000000001 R12=0000000000000000 R13=ffff88806ce08a98 R14=ffff88800eead340 R15=ffff88806ce08a50 RIP=ffffffff8135e4c2 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 00007f75e5837900 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe5000000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f75e57f7008 CR3=000000000d616000 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=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=ffff888009643780 RBX=0000000000000000 RCX=0000000000000001 RDX=0000000000000000 RSI=ffffffff8135e4bd RDI=fffffbfff0bc3ffc RBP=ffffffff85e1ffe0 RSP=ffff88806cf08988 R8 =0000000000000000 R9 =0000000000000000 R10=000000000003c9ed R11=00000000000089b8 R12=0000000000000002 R13=0000000000000000 R14=0000000000000000 R15=ffff88806cf08a70 RIP=ffffffff81529327 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 0000000000000000 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=00007f0ef6e8c008 CR3=000000000db45000 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=33303a363020383120766f4e3e36383c XMM01=7365733a646873732878696e755f6d61 XMM02=736f6c63206e6f6973736573203a296e XMM03=5f6d6170203a5d3034325b6468737320 XMM04=6456774875434142334f726f59427469 XMM05=485320415352203a3268737320343739 XMM06=206d6f726620746f6f7220726f662079 XMM07=00000000000000000000000000000000 XMM08=3a677562656420676f6c737973720000 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000