syzkaller login: [ 45.767230] ------------[ cut here ]------------ [ 45.768146] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 45.770131] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/235 [ 45.771578] Modules linked in: [ 45.772204] CPU: 1 UID: 104 PID: 235 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 45.774151] Tainted: [W]=WARN [ 45.774748] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 45.776208] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 45.777118] 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 [ 45.780285] RSP: 0018:ffff88801bb37bc0 EFLAGS: 00010286 [ 45.781256] RAX: 0000000000000000 RBX: ffffed1003766f78 RCX: ffffffff813a4050 [ 45.782528] RDX: ffff8880150ad340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 45.783828] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1003766f2f [ 45.785115] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 45.786396] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801bb37df8 [ 45.787683] FS: 00007f6370c86900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 45.789132] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 45.790185] CR2: 00007f6371178580 CR3: 000000000d706000 CR4: 0000000000350ef0 [ 45.791463] Call Trace: [ 45.791969] [ 45.792374] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 45.793267] ? __create_object+0x59/0x80 [ 45.794038] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 45.795021] __vmalloc_noprof+0x59/0x60 [ 45.795787] bpf_prog_alloc_no_stats+0x55/0x470 [ 45.796663] ? __pfx_seccomp_check_filter+0x10/0x10 [ 45.797552] bpf_prog_alloc+0x39/0x200 [ 45.798281] ? __pfx_seccomp_check_filter+0x10/0x10 [ 45.799209] bpf_prog_create_from_user+0xb2/0x2f0 [ 45.800132] do_seccomp+0x349/0x25e0 [ 45.800861] ? __pfx_css_rstat_updated+0x10/0x10 [ 45.801767] ? __pfx_do_seccomp+0x10/0x10 [ 45.802526] ? find_held_lock+0x2b/0x80 [ 45.803300] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 45.804262] ? static_key_count+0x60/0x80 [ 45.805056] prctl_set_seccomp+0x4e/0x70 [ 45.805841] __do_sys_prctl+0xe6c/0x1d70 [ 45.806585] ? __pfx___do_sys_prctl+0x10/0x10 [ 45.807460] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 45.808425] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 45.809391] ? irqentry_exit+0xf3/0x650 [ 45.810163] do_syscall_64+0xbf/0x430 [ 45.810906] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 45.811891] RIP: 0033:0x7f63711785cd [ 45.812556] 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 [ 45.815770] RSP: 002b:00007ffe2a6a6550 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 45.817156] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f63711785cd [ 45.818468] RDX: 000055e1205bee00 RSI: 0000000000000002 RDI: 0000000000000016 [ 45.819812] RBP: 00007ffe2a6a65b0 R08: 0000000000000000 R09: 00007ffe2a6a5c50 [ 45.821134] R10: 0000000000000000 R11: 0000000000000246 R12: 000055e130bed2b0 [ 45.822450] R13: 00007ffe2a6a69e0 R14: 000055e130befd20 R15: 000055e130c018d0 [ 45.823809] [ 45.824244] irq event stamp: 1707 [ 45.824911] hardirqs last enabled at (1717): [] __up_console_sem+0x78/0x80 [ 45.826470] hardirqs last disabled at (1726): [] __up_console_sem+0x5d/0x80 [ 45.828043] softirqs last enabled at (1666): [] handle_softirqs+0x50c/0x770 [ 45.829631] softirqs last disabled at (1661): [] __irq_exit_rcu+0xc4/0x100 [ 45.831209] ---[ end trace 0000000000000000 ]--- [ 48.842665] ------------[ cut here ]------------ [ 48.843410] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 48.845081] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/242 [ 48.846284] Modules linked in: [ 48.846816] CPU: 1 UID: 104 PID: 242 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 48.848511] Tainted: [W]=WARN [ 48.849011] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 48.850228] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 48.850987] 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 [ 48.853618] RSP: 0018:ffff88801bbb7bc0 EFLAGS: 00010286 [ 48.854400] RAX: 0000000000000000 RBX: ffffed1003776f78 RCX: ffffffff813a4050 [ 48.855477] RDX: ffff88800f473780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 48.856531] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1003776f2f [ 48.857620] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000400dc0 [ 48.858678] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801bbb7df8 [ 48.859748] FS: 00007f6d52d54900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 48.860947] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 48.861821] CR2: 00007f6d53246580 CR3: 000000000e1c3000 CR4: 0000000000350ef0 [ 48.862892] Call Trace: [ 48.863296] [ 48.863683] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 48.864396] ? __create_object+0x59/0x80 [ 48.865050] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 48.865857] __vmalloc_noprof+0x59/0x60 [ 48.866454] bpf_prog_alloc_no_stats+0x55/0x470 [ 48.867184] ? __pfx_seccomp_check_filter+0x10/0x10 [ 48.867976] bpf_prog_alloc+0x39/0x200 [ 48.868559] ? __pfx_seccomp_check_filter+0x10/0x10 [ 48.869342] bpf_prog_create_from_user+0xb2/0x2f0 [ 48.870102] do_seccomp+0x349/0x25e0 [ 48.870703] ? __pfx_css_rstat_updated+0x10/0x10 [ 48.871424] ? __pfx_do_seccomp+0x10/0x10 [ 48.872084] ? find_held_lock+0x2b/0x80 [ 48.872706] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 48.873464] ? static_key_count+0x60/0x80 [ 48.874131] prctl_set_seccomp+0x4e/0x70 [ 48.874779] __do_sys_prctl+0xe6c/0x1d70 [ 48.875404] ? __pfx___do_sys_prctl+0x10/0x10 [ 48.876132] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 48.876928] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 48.877740] ? irqentry_exit+0xf3/0x650 [ 48.878335] do_syscall_64+0xbf/0x430 [ 48.878970] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 48.879786] RIP: 0033:0x7f6d532465cd [ 48.880333] 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 [ 48.882983] RSP: 002b:00007ffdffcb98b0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 48.884146] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f6d532465cd [ 48.885212] RDX: 00005578ff44ae00 RSI: 0000000000000002 RDI: 0000000000000016 [ 48.886282] RBP: 00007ffdffcb9910 R08: 0000000000000000 R09: 00007ffdffcb8fb0 [ 48.887350] R10: 0000000000000000 R11: 0000000000000246 R12: 000055790ede7bf0 [ 48.888589] R13: 00007ffdffcb9d40 R14: 000055790edf1380 R15: 000055790edfc460 [ 48.889794] [ 48.890149] irq event stamp: 1641 [ 48.890693] hardirqs last enabled at (1651): [] __up_console_sem+0x78/0x80 [ 48.891984] hardirqs last disabled at (1660): [] __up_console_sem+0x5d/0x80 [ 48.893258] softirqs last enabled at (1674): [] handle_softirqs+0x50c/0x770 [ 48.894562] softirqs last disabled at (1669): [] __irq_exit_rcu+0xc4/0x100 [ 48.895885] ---[ end trace 0000000000000000 ]--- [ 49.712492] ------------[ cut here ]------------ [ 49.713432] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 49.715421] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/249 [ 49.716853] Modules linked in: [ 49.717439] CPU: 1 UID: 104 PID: 249 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 49.720868] Tainted: [W]=WARN [ 49.721433] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 49.723001] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 49.723932] 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 [ 49.727096] RSP: 0018:ffff888016fbfbc0 EFLAGS: 00010286 [ 49.728081] RAX: 0000000000000000 RBX: ffffed1002df7f78 RCX: ffffffff813a4050 [ 49.729349] RDX: ffff88801bc5b780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 49.730639] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002df7f2f [ 49.731904] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 49.733171] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888016fbfdf8 [ 49.734450] FS: 00007f5cad050900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 49.735867] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 49.736926] CR2: 00007fff4776cef8 CR3: 000000000ca44000 CR4: 0000000000350ef0 [ 49.738198] Call Trace: [ 49.738728] [ 49.739134] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 49.740031] ? __create_object+0x59/0x80 [ 49.740806] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 49.741764] __vmalloc_noprof+0x59/0x60 [ 49.742476] bpf_prog_alloc_no_stats+0x55/0x470 [ 49.743347] ? __pfx_seccomp_check_filter+0x10/0x10 [ 49.744284] bpf_prog_alloc+0x39/0x200 [ 49.745016] ? __pfx_seccomp_check_filter+0x10/0x10 [ 49.745931] bpf_prog_create_from_user+0xb2/0x2f0 [ 49.746812] do_seccomp+0x349/0x25e0 [ 49.747489] ? find_held_lock+0x2b/0x80 [ 49.748238] ? do_prlimit+0x310/0x610 [ 49.748970] ? __pfx_do_seccomp+0x10/0x10 [ 49.749747] ? do_raw_spin_unlock+0x53/0x220 [ 49.750519] ? _raw_spin_unlock+0x1e/0x40 [ 49.751303] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 49.752239] ? static_key_count+0x60/0x80 [ 49.753034] prctl_set_seccomp+0x4e/0x70 [ 49.753794] __do_sys_prctl+0xe6c/0x1d70 [ 49.754549] ? __pfx___do_sys_prctl+0x10/0x10 [ 49.755409] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 49.756356] ? irqentry_exit+0xf3/0x650 [ 49.757106] do_syscall_64+0xbf/0x430 [ 49.757846] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 49.758776] RIP: 0033:0x7f5cad5425cd [ 49.759452] 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 [ 49.762577] RSP: 002b:00007fff4776a910 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 49.763959] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f5cad5425cd [ 49.765229] RDX: 000055d134942e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 49.766509] RBP: 00007fff4776a970 R08: 0000000000000000 R09: 00007fff4776a010 [ 49.767771] R10: 0000000000000000 R11: 0000000000000246 R12: 000055d1558b6ad0 [ 49.769043] R13: 00007fff4776ada0 R14: 000055d1558b7bc0 R15: 000055d1558c8780 [ 49.770382] [ 49.770861] irq event stamp: 2089 [ 49.771472] hardirqs last enabled at (2097): [] __up_console_sem+0x78/0x80 [ 49.772960] hardirqs last disabled at (2106): [] __up_console_sem+0x5d/0x80 [ 49.774470] softirqs last enabled at (2076): [] handle_softirqs+0x50c/0x770 [ 49.775988] softirqs last disabled at (2071): [] __irq_exit_rcu+0xc4/0x100 [ 49.777489] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:24678' (ECDSA) to the list of known hosts. 2025/11/18 14:13:03 fuzzer started 2025/11/18 14:13:04 dialing manager at localhost:34383 2025/11/18 14:13:04 checking machine... 2025/11/18 14:13:04 checking revisions... [ 50.665711] kmemleak: Automatic memory scanning thread ended 2025/11/18 14:13:04 testing simple program... [ 50.755005] cgroup: Unknown subsys name 'net' [ 50.814195] cgroup: Unknown subsys name 'cpuset' [ 50.835134] cgroup: Unknown subsys name 'rlimit' executing program executing program VM DIAGNOSIS: 14:13:03 Registers: info registers vcpu 0 RAX=0000000000000000 RBX=000055959b263d60 RCX=000055959b263010 RDX=00007f92bfb60720 RSI=0000000000000000 RDI=000055959b265428 RBP=000055959b2a5810 RSP=00007fffc778c938 R8 =000055959b26c450 R9 =ffffffffffffff01 R10=0000000000000000 R11=0000000000000000 R12=00000000ffffffff R13=00000000fffffffa R14=000055959b2a5810 R15=00000000fffffffe RIP=00007f92bfded5e0 RFL=00000246 [---Z-P-] CPL=3 II=0 A20=1 SMM=0 HLT=0 ES =0000 0000000000000000 00000000 00000000 CS =0033 0000000000000000 ffffffff 00a0fb00 DPL=3 CS64 [-RA] SS =002b 0000000000000000 ffffffff 00c0f300 DPL=3 DS [-WA] DS =0000 0000000000000000 00000000 00000000 FS =0000 00007f92bf30b900 00000000 00000000 GS =0000 0000000000000000 00000000 00000000 LDT=0000 fffffe2c00000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007ffc17eb03f8 CR3=000000000e98e000 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=ffffffffffffffffffffffffffffffff XMM01=30306234386136303638616663356134 XMM02=38303062343861363036386166633561 XMM03=2f6c616e72756f6a2f676f6c2f6e7572 XMM04=77f5ca6eae55cf1800000000000ae988 XMM05=1319e678c5640f8a00000000003213a8 XMM06=280a1d610a8a97f10000000000321310 XMM07=00000000000000000000000000000000 XMM08=415453454d49545f454d49544c414552 XMM09=00000000000000000000000000000000 XMM10=20200000000020202020202020200000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=0000000080010101 RBX=ffff88806cf37340 RCX=1ffff1100d9e6fbe RDX=ffff888019ff3780 RSI=ffffffff812c599c RDI=ffffffff87ada040 RBP=1ffff1100d9e10aa RSP=ffff88806cf084f0 R8 =0000000000000001 R9 =ffffed100d9e10b9 R10=0000000000000000 R11=0000000000000001 R12=ffff88806cf37ea8 R13=ffffffff86650294 R14=ffff88806cf37df0 R15=ffff88806cf37df8 RIP=ffffffff84c71778 RFL=00000082 [--S----] 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 00007feb322c4700 00000000 00000000 GS =0000 ffff8880e548f000 00000000 00000000 LDT=0000 fffffe1600000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007ffdffcb3000 CR3=000000000d3db000 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=656e6e6f637369642064657669656365 XMM02=63736964203a31313a32303232342074 XMM03=66207463656e6e6f6373696420646576 XMM04=6456774875434142334f726f59427469 XMM05=485320415352203a3268737320323032 XMM06=206d6f726620746f6f7220726f662079 XMM07=00000000000000000000000000000000 XMM08=3a677562656420676f6c737973720000 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000