[ 46.894640] ------------[ cut here ]------------ [ 46.895606] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 46.897574] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/234 [ 46.899106] Modules linked in: [ 46.899699] CPU: 0 UID: 104 PID: 234 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 46.901688] Tainted: [W]=WARN [ 46.902298] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 46.903766] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 46.904691] 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 [ 46.907884] RSP: 0018:ffff88800ac1fbc0 EFLAGS: 00010286 [ 46.908862] RAX: 0000000000000000 RBX: ffffed1001583f78 RCX: ffffffff813a4050 [ 46.910138] RDX: ffff88801ac31bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 46.911426] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1001583f2f [ 46.912708] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000400dc0 [ 46.914015] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88800ac1fdf8 [ 46.915318] FS: 00007f101abbe900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 46.916765] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 46.917819] CR2: 00007ffeb09f7ef8 CR3: 000000000e4d0000 CR4: 0000000000350ef0 [ 46.919120] Call Trace: [ 46.919594] [ 46.920057] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 46.920914] ? __create_object+0x59/0x80 [ 46.921716] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 46.922704] __vmalloc_noprof+0x59/0x60 [ 46.923487] bpf_prog_alloc_no_stats+0x55/0x470 [ 46.924362] ? __pfx_seccomp_check_filter+0x10/0x10 [ 46.925302] bpf_prog_alloc+0x39/0x200 [ 46.926052] ? __pfx_seccomp_check_filter+0x10/0x10 [ 46.926938] bpf_prog_create_from_user+0xb2/0x2f0 [ 46.927838] do_seccomp+0x349/0x25e0 [ 46.928558] ? find_held_lock+0x2b/0x80 [ 46.929304] ? do_prlimit+0x310/0x610 [ 46.930053] ? __pfx_do_seccomp+0x10/0x10 [ 46.930797] ? do_raw_spin_unlock+0x53/0x220 [ 46.931632] ? _raw_spin_unlock+0x1e/0x40 [ 46.932422] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 46.933379] ? static_key_count+0x60/0x80 [ 46.934183] prctl_set_seccomp+0x4e/0x70 [ 46.934913] __do_sys_prctl+0xe6c/0x1d70 [ 46.935713] ? __pfx___do_sys_prctl+0x10/0x10 [ 46.936576] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 46.937558] ? irqentry_exit+0xf3/0x650 [ 46.938339] do_syscall_64+0xbf/0x430 [ 46.939087] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 46.940043] RIP: 0033:0x7f101b0b05cd [ 46.940703] 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 [ 46.943853] RSP: 002b:00007ffeb09f66a0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 46.945244] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f101b0b05cd [ 46.946581] RDX: 0000564a8a5bee00 RSI: 0000000000000002 RDI: 0000000000000016 [ 46.947875] RBP: 00007ffeb09f6700 R08: 0000000000000000 R09: 00007ffeb09f5da0 [ 46.949185] R10: 0000000000000000 R11: 0000000000000246 R12: 0000564abc3fead0 [ 46.950483] R13: 00007ffeb09f6b30 R14: 0000564abc3ffbc0 R15: 0000564abc410780 [ 46.951789] [ 46.952259] irq event stamp: 1787 [ 46.952868] hardirqs last enabled at (1795): [] __up_console_sem+0x78/0x80 [ 46.954403] hardirqs last disabled at (1804): [] __up_console_sem+0x5d/0x80 [ 46.955924] softirqs last enabled at (1754): [] handle_softirqs+0x50c/0x770 [ 46.957486] softirqs last disabled at (1749): [] __irq_exit_rcu+0xc4/0x100 [ 46.959007] ---[ end trace 0000000000000000 ]--- Debian GNU/Linux 11 syzkaller ttyS0 syzkaller login: [ 50.195035] ------------[ cut here ]------------ [ 50.195525] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 50.196695] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/241 [ 50.197467] Modules linked in: [ 50.197829] CPU: 1 UID: 104 PID: 241 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 50.198998] Tainted: [W]=WARN [ 50.199289] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 50.200216] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 50.200725] 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 [ 50.202563] RSP: 0018:ffff88801664fbc0 EFLAGS: 00010286 [ 50.203206] RAX: 0000000000000000 RBX: ffffed1002cc9f78 RCX: ffffffff813a4050 [ 50.203934] RDX: ffff88801919b780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 50.204715] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002cc9f2f [ 50.205402] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 50.206271] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801664fdf8 [ 50.206947] FS: 00007f3c31e22900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 50.207711] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.208265] CR2: 00007f3c32314580 CR3: 00000000200a3000 CR4: 0000000000350ef0 [ 50.208936] Call Trace: [ 50.209203] [ 50.209414] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 50.209853] ? __create_object+0x59/0x80 [ 50.210279] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 50.210797] __vmalloc_noprof+0x59/0x60 [ 50.211218] bpf_prog_alloc_no_stats+0x55/0x470 [ 50.211668] ? __pfx_seccomp_check_filter+0x10/0x10 [ 50.212159] bpf_prog_alloc+0x39/0x200 [ 50.212523] ? __pfx_seccomp_check_filter+0x10/0x10 [ 50.213015] bpf_prog_create_from_user+0xb2/0x2f0 [ 50.213475] do_seccomp+0x349/0x25e0 [ 50.213932] ? __pfx_css_rstat_updated+0x10/0x10 [ 50.214521] ? __pfx_do_seccomp+0x10/0x10 [ 50.214995] ? find_held_lock+0x2b/0x80 [ 50.215434] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 50.215934] ? static_key_count+0x60/0x80 [ 50.216366] prctl_set_seccomp+0x4e/0x70 [ 50.216756] __do_sys_prctl+0xe6c/0x1d70 [ 50.217179] ? __pfx___do_sys_prctl+0x10/0x10 [ 50.217616] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 50.218278] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 50.218815] ? irqentry_exit+0xf3/0x650 [ 50.219327] do_syscall_64+0xbf/0x430 [ 50.219696] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 50.220213] RIP: 0033:0x7f3c323145cd [ 50.220573] 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 [ 50.222441] RSP: 002b:00007fffaddba690 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 50.223177] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f3c323145cd [ 50.223829] RDX: 00005641e309fe00 RSI: 0000000000000002 RDI: 0000000000000016 [ 50.224565] RBP: 00007fffaddba6f0 R08: 0000000000000000 R09: 00007fffaddb9d90 [ 50.225262] R10: 0000000000000000 R11: 0000000000000246 R12: 00005642096cdad0 [ 50.225997] R13: 00007fffaddbab20 R14: 00005642096cebc0 R15: 00005642096df780 [ 50.226792] [ 50.227083] irq event stamp: 1697 [ 50.227473] hardirqs last enabled at (1705): [] __up_console_sem+0x78/0x80 [ 50.228299] hardirqs last disabled at (1714): [] __up_console_sem+0x5d/0x80 [ 50.229115] softirqs last enabled at (1638): [] handle_softirqs+0x50c/0x770 [ 50.230038] softirqs last disabled at (1631): [] __irq_exit_rcu+0xc4/0x100 [ 50.230949] ---[ end trace 0000000000000000 ]--- [ 50.987481] ------------[ cut here ]------------ [ 50.988202] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 50.989789] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/248 [ 50.990936] Modules linked in: [ 50.991421] CPU: 1 UID: 104 PID: 248 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 50.992960] Tainted: [W]=WARN [ 50.993396] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 50.994517] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 50.995257] 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 [ 50.997724] RSP: 0018:ffff8880170cfbc0 EFLAGS: 00010286 [ 50.998555] RAX: 0000000000000000 RBX: ffffed1002e19f78 RCX: ffffffff813a4050 [ 50.999531] RDX: ffff888019198000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 51.000507] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002e19f2f [ 51.001505] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 51.002519] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff8880170cfdf8 [ 51.003503] FS: 00007fc84e761900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 51.004626] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 51.005448] CR2: 00007fc84ec53580 CR3: 0000000009f25000 CR4: 0000000000350ef0 [ 51.006454] Call Trace: [ 51.006808] [ 51.007199] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 51.007854] ? __create_object+0x59/0x80 [ 51.008473] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 51.009240] __vmalloc_noprof+0x59/0x60 [ 51.009784] bpf_prog_alloc_no_stats+0x55/0x470 [ 51.010468] ? __pfx_seccomp_check_filter+0x10/0x10 [ 51.011182] bpf_prog_alloc+0x39/0x200 [ 51.011707] ? __pfx_seccomp_check_filter+0x10/0x10 [ 51.012438] bpf_prog_create_from_user+0xb2/0x2f0 [ 51.013142] do_seccomp+0x349/0x25e0 [ 51.013648] ? __pfx_css_rstat_updated+0x10/0x10 [ 51.014373] ? __pfx_do_seccomp+0x10/0x10 [ 51.014965] ? find_held_lock+0x2b/0x80 [ 51.015556] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 51.016304] ? static_key_count+0x60/0x80 [ 51.016880] prctl_set_seccomp+0x4e/0x70 [ 51.017466] __do_sys_prctl+0xe6c/0x1d70 [ 51.018048] ? __pfx___do_sys_prctl+0x10/0x10 [ 51.018667] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 51.019401] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 51.020132] ? irqentry_exit+0xf3/0x650 [ 51.020677] do_syscall_64+0xbf/0x430 [ 51.021227] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 51.021918] RIP: 0033:0x7fc84ec535cd [ 51.022446] 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 [ 51.024803] RSP: 002b:00007ffde928fe70 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 51.025838] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fc84ec535cd [ 51.026802] RDX: 0000556e62209e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 51.027753] RBP: 00007ffde928fed0 R08: 0000000000000000 R09: 00007ffde928f570 [ 51.028698] R10: 0000000000000000 R11: 0000000000000246 R12: 0000556e90442ad0 [ 51.029664] R13: 00007ffde9290300 R14: 0000556e90443bc0 R15: 0000556e90454780 [ 51.030641] [ 51.030959] irq event stamp: 1747 [ 51.031447] hardirqs last enabled at (1757): [] __up_console_sem+0x78/0x80 [ 51.032579] hardirqs last disabled at (1766): [] __up_console_sem+0x5d/0x80 [ 51.033731] softirqs last enabled at (1780): [] handle_softirqs+0x50c/0x770 [ 51.034906] softirqs last disabled at (1775): [] __irq_exit_rcu+0xc4/0x100 [ 51.036023] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:44820' (ECDSA) to the list of known hosts. 2025/11/18 10:04:53 fuzzer started 2025/11/18 10:04:53 dialing manager at localhost:34383 2025/11/18 10:04:53 checking machine... 2025/11/18 10:04:53 checking revisions... [ 51.964173] kmemleak: Automatic memory scanning thread ended 2025/11/18 10:04:54 testing simple program... [ 52.059437] cgroup: Unknown subsys name 'net' [ 52.135035] cgroup: Unknown subsys name 'cpuset' [ 52.147394] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program VM DIAGNOSIS: 10:04:53 Registers: info registers vcpu 0 RAX=0000000000000001 RBX=ffff8880e538f000 RCX=dfb8078e475e76a4 RDX=0000000000000000 RSI=000000008301a466 RDI=ffff88806ce31cd0 RBP=ffff88806ce08ad8 RSP=ffff88806ce08a00 R8 =0000000000000001 R9 =0000000000000000 R10=0000000000000001 R11=0000000000000001 R12=0000000000000000 R13=ffff88806ce08ac8 R14=ffff888016ab3780 R15=ffff88806ce08a80 RIP=ffffffff815bd154 RFL=00000282 [--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 00007f3c31e22900 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe1600000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f3c323d9618 CR3=00000000200af000 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=563412feff00545000000000000080fe 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=0000000000026f4d 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 fffffe5100000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f12fc5b4028 CR3=000000000e3e8000 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=2032353a34303a303120383120766f4e XMM01=73732878696e755f6d6170203a5d3034 XMM02=65736f6c63206e6f6973736573203a29 XMM03=755f6d6170203a5d3034325b64687373 XMM04=69662068637573206f4e203a656c6163 XMM05=3a656c696620766e65206e65706f206f XMM06=65733a6468737328766e655f6d617020 XMM07=6b7a79732032353a34303a3031203831 XMM08=30343d7974696c696261706163202279 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000