[ 39.316366] ------------[ cut here ]------------ [ 39.317451] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 39.319773] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/234 [ 39.321451] Modules linked in: [ 39.322122] CPU: 1 UID: 104 PID: 234 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 39.324414] Tainted: [W]=WARN [ 39.325051] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 39.326733] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 39.327801] 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 [ 39.332070] RSP: 0018:ffff88801985fbc0 EFLAGS: 00010286 [ 39.333215] RAX: 0000000000000000 RBX: ffffed100330bf78 RCX: ffffffff813a4050 [ 39.334691] RDX: ffff88800c3ed340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 39.336158] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed100330bf2f [ 39.337636] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 39.339096] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801985fdf8 [ 39.340565] FS: 00007f93af618900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 39.342228] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 39.343443] CR2: 00007fff6fb9def8 CR3: 000000000de5b000 CR4: 0000000000350ef0 [ 39.344912] Call Trace: [ 39.345492] [ 39.345968] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 39.347006] ? __create_object+0x59/0x80 [ 39.347903] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.349013] __vmalloc_noprof+0x59/0x60 [ 39.349891] bpf_prog_alloc_no_stats+0x55/0x470 [ 39.350889] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.351959] bpf_prog_alloc+0x39/0x200 [ 39.352807] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.353876] bpf_prog_create_from_user+0xb2/0x2f0 [ 39.354895] do_seccomp+0x349/0x25e0 [ 39.355717] ? find_held_lock+0x2b/0x80 [ 39.356581] ? do_prlimit+0x310/0x610 [ 39.357436] ? __pfx_do_seccomp+0x10/0x10 [ 39.358282] ? do_raw_spin_unlock+0x53/0x220 [ 39.359228] ? _raw_spin_unlock+0x1e/0x40 [ 39.360117] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 39.361226] ? static_key_count+0x60/0x80 [ 39.362131] prctl_set_seccomp+0x4e/0x70 [ 39.363010] __do_sys_prctl+0xe6c/0x1d70 [ 39.363896] ? __pfx___do_sys_prctl+0x10/0x10 [ 39.364860] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 39.365963] ? irqentry_exit+0xf3/0x650 [ 39.366824] do_syscall_64+0xbf/0x430 [ 39.367661] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 39.368747] RIP: 0033:0x7f93afb0a5cd [ 39.369557] 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 [ 39.373154] RSP: 002b:00007fff6fb9cc00 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 39.374730] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f93afb0a5cd [ 39.376189] RDX: 000055ea04d04e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 39.377647] RBP: 00007fff6fb9cc60 R08: 0000000000000000 R09: 00007fff6fb9c300 [ 39.379095] R10: 0000000000000000 R11: 0000000000000246 R12: 000055ea23f00bf0 [ 39.380541] R13: 00007fff6fb9d090 R14: 000055ea23f0a380 R15: 000055ea23f15460 [ 39.381995] [ 39.382455] irq event stamp: 1735 [ 39.383047] hardirqs last enabled at (1743): [] __up_console_sem+0x78/0x80 [ 39.384543] hardirqs last disabled at (1752): [] __up_console_sem+0x5d/0x80 [ 39.386054] softirqs last enabled at (1508): [] handle_softirqs+0x50c/0x770 [ 39.387571] softirqs last disabled at (1503): [] __irq_exit_rcu+0xc4/0x100 [ 39.389028] ---[ end trace 0000000000000000 ]--- Debian GNU/Linux 11 syzkaller ttyS0 syzkaller login: [ 42.334559] ------------[ cut here ]------------ [ 42.335491] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.337552] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/243 [ 42.339019] Modules linked in: [ 42.339656] CPU: 0 UID: 104 PID: 243 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 42.341632] Tainted: [W]=WARN [ 42.342177] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.343623] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.344538] 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 [ 42.347687] RSP: 0018:ffff88801af87bc0 EFLAGS: 00010286 [ 42.348656] RAX: 0000000000000000 RBX: ffffed10035f0f78 RCX: ffffffff813a4050 [ 42.349938] RDX: ffff888013f80000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.351197] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed10035f0f2f [ 42.352458] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.353733] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801af87df8 [ 42.354999] FS: 00007f299acd2900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 42.356426] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.357486] CR2: 00007f299b1c4580 CR3: 000000001fbf8000 CR4: 0000000000350ef0 [ 42.358758] Call Trace: [ 42.359215] [ 42.359668] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.360551] ? __create_object+0x59/0x80 [ 42.361299] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.362249] __vmalloc_noprof+0x59/0x60 [ 42.362992] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.363856] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.364769] bpf_prog_alloc+0x39/0x200 [ 42.365508] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.366429] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.367288] do_seccomp+0x349/0x25e0 [ 42.367991] ? __pfx_css_rstat_updated+0x10/0x10 [ 42.368869] ? __pfx_do_seccomp+0x10/0x10 [ 42.369655] ? find_held_lock+0x2b/0x80 [ 42.370358] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.371317] ? static_key_count+0x60/0x80 [ 42.372104] prctl_set_seccomp+0x4e/0x70 [ 42.372873] __do_sys_prctl+0xe6c/0x1d70 [ 42.373651] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.374492] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.375453] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.376358] ? irqentry_exit+0xf3/0x650 [ 42.377138] do_syscall_64+0xbf/0x430 [ 42.377883] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.378836] RIP: 0033:0x7f299b1c45cd [ 42.379527] 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 [ 42.382663] RSP: 002b:00007fff3d6dd0e0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.384011] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f299b1c45cd [ 42.385289] RDX: 000056024843fe00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.386544] RBP: 00007fff3d6dd140 R08: 0000000000000000 R09: 00007fff3d6dc7e0 [ 42.387808] R10: 0000000000000000 R11: 0000000000000246 R12: 00005602562dbad0 [ 42.389066] R13: 00007fff3d6dd570 R14: 00005602562dcbc0 R15: 00005602562ed780 [ 42.390413] [ 42.390842] irq event stamp: 1713 [ 42.391485] hardirqs last enabled at (1723): [] __up_console_sem+0x78/0x80 [ 42.392988] hardirqs last disabled at (1732): [] __up_console_sem+0x5d/0x80 [ 42.394495] softirqs last enabled at (1590): [] handle_softirqs+0x50c/0x770 [ 42.396028] softirqs last disabled at (1585): [] __irq_exit_rcu+0xc4/0x100 [ 42.397534] ---[ end trace 0000000000000000 ]--- [ 43.218922] ------------[ cut here ]------------ [ 43.219849] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 43.221864] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/252 [ 43.223305] Modules linked in: [ 43.223949] CPU: 0 UID: 104 PID: 252 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 43.226187] Tainted: [W]=WARN [ 43.227047] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 43.228528] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 43.229465] 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 [ 43.232635] RSP: 0018:ffff88801c857bc0 EFLAGS: 00010286 [ 43.233623] RAX: 0000000000000000 RBX: ffffed100390af78 RCX: ffffffff813a4050 [ 43.234914] RDX: ffff888016589bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 43.236206] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed100390af2f [ 43.237506] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 43.238800] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801c857df8 [ 43.240105] FS: 00007fd45fdf2900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 43.241562] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 43.242634] CR2: 00007fd4602e4580 CR3: 000000000db04000 CR4: 0000000000350ef0 [ 43.243938] Call Trace: [ 43.244454] [ 43.244865] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 43.245788] ? __create_object+0x59/0x80 [ 43.246586] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 43.247941] __vmalloc_noprof+0x59/0x60 [ 43.248711] bpf_prog_alloc_no_stats+0x55/0x470 [ 43.249583] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.250527] bpf_prog_alloc+0x39/0x200 [ 43.251239] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.252173] bpf_prog_create_from_user+0xb2/0x2f0 [ 43.253103] do_seccomp+0x349/0x25e0 [ 43.253833] ? __pfx_css_rstat_updated+0x10/0x10 [ 43.254743] ? __pfx_do_seccomp+0x10/0x10 [ 43.255548] ? find_held_lock+0x2b/0x80 [ 43.256263] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 43.257224] ? static_key_count+0x60/0x80 [ 43.258021] prctl_set_seccomp+0x4e/0x70 [ 43.258818] __do_sys_prctl+0xe6c/0x1d70 [ 43.259609] ? __pfx___do_sys_prctl+0x10/0x10 [ 43.260463] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 43.261456] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 43.262376] ? irqentry_exit+0xf3/0x650 [ 43.263155] do_syscall_64+0xbf/0x430 [ 43.263903] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 43.264873] RIP: 0033:0x7fd4602e45cd [ 43.265597] 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 [ 43.268762] RSP: 002b:00007ffe081383d0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 43.270159] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fd4602e45cd [ 43.271472] RDX: 0000557b900bbe00 RSI: 0000000000000002 RDI: 0000000000000016 [ 43.272781] RBP: 00007ffe08138430 R08: 0000000000000000 R09: 00007ffe08137ad0 [ 43.274094] R10: 0000000000000000 R11: 0000000000000246 R12: 0000557ba4750ad0 [ 43.275363] R13: 00007ffe08138860 R14: 0000557ba4751bc0 R15: 0000557ba4762780 [ 43.276682] [ 43.277104] irq event stamp: 1881 [ 43.277760] hardirqs last enabled at (1891): [] __up_console_sem+0x78/0x80 [ 43.279288] hardirqs last disabled at (1900): [] __up_console_sem+0x5d/0x80 [ 43.280806] softirqs last enabled at (1838): [] handle_softirqs+0x50c/0x770 [ 43.282408] softirqs last disabled at (1823): [] __irq_exit_rcu+0xc4/0x100 [ 43.283948] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:10873' (ECDSA) to the list of known hosts. 2025/11/17 21:20:12 fuzzer started 2025/11/17 21:20:13 dialing manager at localhost:37895 2025/11/17 21:20:13 checking machine... 2025/11/17 21:20:13 checking revisions... [ 44.181006] kmemleak: Automatic memory scanning thread ended 2025/11/17 21:20:13 testing simple program... [ 44.270874] cgroup: Unknown subsys name 'net' [ 44.323334] cgroup: Unknown subsys name 'cpuset' [ 44.344001] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program VM DIAGNOSIS: 21:20:12 Registers: info registers vcpu 0 RAX=0000000000000000 RBX=ffff8880156af580 RCX=ffff8880156af40c RDX=1ffff11002ad5eb1 RSI=ffffffff81b6283d RDI=ffff8880156af588 RBP=0000000000000005 RSP=ffff8880156af498 R8 =0000000000000001 R9 =ffff8880156af4f8 R10=000000000003c9ed R11=0000000000026728 R12=ffff8880156af580 R13=0000000000000000 R14=ffff888013f85340 R15=0000000000092800 RIP=ffffffff81618fee RFL=00000216 [----AP-] 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 00007f299acd2900 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe5300000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f299ac9c008 CR3=0000000020463000 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=ffffed100d9e1198 RBX=1ffff1100d9e1198 RCX=0000000000000007 RDX=0000000000000001 RSI=0000000000000008 RDI=ffff88806cf37e61 RBP=ffff888009643780 RSP=ffff88806cf08cb8 R8 =0000000000000000 R9 =fffffbfff0cc9eca R10=ffffffff8664f657 R11=0000000000000001 R12=dffffc0000000000 R13=0000000000000000 R14=0000000000000000 R15=ffff88806cf28e40 RIP=ffffffff8165ee1c RFL=00000012 [----A--] 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 fffffe6d00000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007feba2597128 CR3=0000000016440000 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=4fe1bf9c912ab4ad494aa5d6a3cf3af1 XMM02=0000000000302fc0ec2efd57dc4c00df XMM03=000000000030eb8838befb34d5f17cb2 XMM04=f3719f69c442820500000000000ae988 XMM05=8bbdf798c55992e000000000003213c0 XMM06=817b8945e9d50373000000000031f728 XMM07=e042d86d42eb936e000000000030ee08 XMM08=38befb34d5f17cb20000000000303020 XMM09=00000000000000000000000000000000 XMM10=00000000000000200000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000