[ 38.826136] ------------[ cut here ]------------ [ 38.826911] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 38.828543] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/233 [ 38.829761] Modules linked in: [ 38.830302] CPU: 1 UID: 104 PID: 233 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 38.831995] Tainted: [W]=WARN [ 38.832478] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 38.833933] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 38.834755] 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 [ 38.837391] RSP: 0018:ffff88801a727bc0 EFLAGS: 00010286 [ 38.838187] RAX: 0000000000000000 RBX: ffffed10034e4f78 RCX: ffffffff813a4050 [ 38.839268] RDX: ffff888016ea3780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 38.840349] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed10034e4f2f [ 38.841411] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 38.842491] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801a727df8 [ 38.843562] FS: 00007f5d4361c900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 38.844761] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 38.845649] CR2: 00007ffe6d3cdef8 CR3: 00000000173ff000 CR4: 0000000000350ef0 [ 38.846721] Call Trace: [ 38.847107] [ 38.847485] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 38.848194] ? __create_object+0x59/0x80 [ 38.848853] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 38.849664] __vmalloc_noprof+0x59/0x60 [ 38.850308] bpf_prog_alloc_no_stats+0x55/0x470 [ 38.850999] ? __pfx_seccomp_check_filter+0x10/0x10 [ 38.851768] bpf_prog_alloc+0x39/0x200 [ 38.852389] ? __pfx_seccomp_check_filter+0x10/0x10 [ 38.853123] bpf_prog_create_from_user+0xb2/0x2f0 [ 38.853885] do_seccomp+0x349/0x25e0 [ 38.854493] ? find_held_lock+0x2b/0x80 [ 38.855090] ? do_prlimit+0x310/0x610 [ 38.855712] ? __pfx_do_seccomp+0x10/0x10 [ 38.856383] ? do_raw_spin_unlock+0x53/0x220 [ 38.857044] ? _raw_spin_unlock+0x1e/0x40 [ 38.857694] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 38.858500] ? static_key_count+0x60/0x80 [ 38.859135] prctl_set_seccomp+0x4e/0x70 [ 38.859782] __do_sys_prctl+0xe6c/0x1d70 [ 38.860434] ? __pfx___do_sys_prctl+0x10/0x10 [ 38.861116] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 38.861927] ? irqentry_exit+0xf3/0x650 [ 38.862566] do_syscall_64+0xbf/0x430 [ 38.863140] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 38.863947] RIP: 0033:0x7f5d43b0e5cd [ 38.864535] 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 [ 38.867193] RSP: 002b:00007ffe6d3cc7f0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 38.868339] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f5d43b0e5cd [ 38.869399] RDX: 0000562e31fd6e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 38.870478] RBP: 00007ffe6d3cc850 R08: 0000000000000000 R09: 00007ffe6d3cbef0 [ 38.871546] R10: 0000000000000000 R11: 0000000000000246 R12: 0000562e36d3fad0 [ 38.872613] R13: 00007ffe6d3ccc80 R14: 0000562e36d40bc0 R15: 0000562e36d51780 [ 38.873689] [ 38.874060] irq event stamp: 1833 [ 38.874602] hardirqs last enabled at (1843): [] __up_console_sem+0x78/0x80 [ 38.875866] hardirqs last disabled at (1852): [] __up_console_sem+0x5d/0x80 [ 38.877124] softirqs last enabled at (1756): [] handle_softirqs+0x50c/0x770 [ 38.878418] softirqs last disabled at (1751): [] __irq_exit_rcu+0xc4/0x100 [ 38.879678] ---[ end trace 0000000000000000 ]--- Debian GNU/Linux 11 syzkaller ttyS0 syzkaller login: [ 41.665901] ------------[ cut here ]------------ [ 41.666834] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 41.668866] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/242 [ 41.670313] Modules linked in: [ 41.670916] CPU: 0 UID: 104 PID: 242 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 41.672885] Tainted: [W]=WARN [ 41.673719] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 41.675363] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 41.676232] 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 [ 41.679440] RSP: 0018:ffff888016c27bc0 EFLAGS: 00010286 [ 41.680412] RAX: 0000000000000000 RBX: ffffed1002d84f78 RCX: ffffffff813a4050 [ 41.681684] RDX: ffff888015bfd340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 41.682977] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002d84f2f [ 41.684240] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 41.685541] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888016c27df8 [ 41.686831] FS: 00007ff5181fd900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 41.688278] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 41.689341] CR2: 00007ffecc4beef8 CR3: 000000000f113000 CR4: 0000000000350ef0 [ 41.690635] Call Trace: [ 41.691106] [ 41.691545] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 41.692439] ? __create_object+0x59/0x80 [ 41.693189] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 41.694165] __vmalloc_noprof+0x59/0x60 [ 41.694913] bpf_prog_alloc_no_stats+0x55/0x470 [ 41.695788] ? __pfx_seccomp_check_filter+0x10/0x10 [ 41.696719] bpf_prog_alloc+0x39/0x200 [ 41.697448] ? __pfx_seccomp_check_filter+0x10/0x10 [ 41.698373] bpf_prog_create_from_user+0xb2/0x2f0 [ 41.699236] do_seccomp+0x349/0x25e0 [ 41.699959] ? find_held_lock+0x2b/0x80 [ 41.700721] ? do_prlimit+0x310/0x610 [ 41.701463] ? __pfx_do_seccomp+0x10/0x10 [ 41.702201] ? do_raw_spin_unlock+0x53/0x220 [ 41.703033] ? _raw_spin_unlock+0x1e/0x40 [ 41.703808] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 41.704772] ? static_key_count+0x60/0x80 [ 41.705589] prctl_set_seccomp+0x4e/0x70 [ 41.706373] __do_sys_prctl+0xe6c/0x1d70 [ 41.707108] ? __pfx___do_sys_prctl+0x10/0x10 [ 41.707974] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 41.708936] ? irqentry_exit+0xf3/0x650 [ 41.709706] do_syscall_64+0xbf/0x430 [ 41.710463] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 41.711417] RIP: 0033:0x7ff5186ef5cd [ 41.712083] 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 [ 41.715234] RSP: 002b:00007ffecc4bd550 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 41.716624] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ff5186ef5cd [ 41.717905] RDX: 000055aab05eee00 RSI: 0000000000000002 RDI: 0000000000000016 [ 41.719215] RBP: 00007ffecc4bd5b0 R08: 0000000000000000 R09: 00007ffecc4bcc50 [ 41.720486] R10: 0000000000000000 R11: 0000000000000246 R12: 000055aacaef4240 [ 41.721767] R13: 00007ffecc4bd9e0 R14: 000055aacaef3bf0 R15: 000055aacaf084d0 [ 41.723069] [ 41.723534] irq event stamp: 1973 [ 41.724139] hardirqs last enabled at (1981): [] __up_console_sem+0x78/0x80 [ 41.725666] hardirqs last disabled at (1990): [] __up_console_sem+0x5d/0x80 [ 41.727171] softirqs last enabled at (1940): [] handle_softirqs+0x50c/0x770 [ 41.728705] softirqs last disabled at (1935): [] __irq_exit_rcu+0xc4/0x100 [ 41.730203] ---[ end trace 0000000000000000 ]--- [ 42.372789] ------------[ cut here ]------------ [ 42.373717] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.375790] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/249 [ 42.377271] Modules linked in: [ 42.377857] CPU: 0 UID: 104 PID: 249 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 42.380089] Tainted: [W]=WARN [ 42.380763] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.382272] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.383137] 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 [ 42.386293] RSP: 0018:ffff8880166bfbc0 EFLAGS: 00010286 [ 42.387218] RAX: 0000000000000000 RBX: ffffed1002cd7f78 RCX: ffffffff813a4050 [ 42.388524] RDX: ffff88801692b780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.389797] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002cd7f2f [ 42.391095] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.392387] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff8880166bfdf8 [ 42.393690] FS: 00007f3131e44900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 42.395131] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.396184] CR2: 00007f3132336580 CR3: 0000000019c62000 CR4: 0000000000350ef0 [ 42.397475] Call Trace: [ 42.397932] [ 42.398401] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.399287] ? __create_object+0x59/0x80 [ 42.400025] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.400979] __vmalloc_noprof+0x59/0x60 [ 42.401734] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.402625] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.403569] bpf_prog_alloc+0x39/0x200 [ 42.404297] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.405169] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.406068] do_seccomp+0x349/0x25e0 [ 42.406791] ? __pfx_css_rstat_updated+0x10/0x10 [ 42.407688] ? __pfx_do_seccomp+0x10/0x10 [ 42.408475] ? find_held_lock+0x2b/0x80 [ 42.409198] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.410167] ? static_key_count+0x60/0x80 [ 42.410972] prctl_set_seccomp+0x4e/0x70 [ 42.411741] __do_sys_prctl+0xe6c/0x1d70 [ 42.412513] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.413370] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.414403] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.415386] ? irqentry_exit+0xf3/0x650 [ 42.416117] do_syscall_64+0xbf/0x430 [ 42.416855] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.417804] RIP: 0033:0x7f31323365cd [ 42.418523] 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 [ 42.421688] RSP: 002b:00007ffc7a8d8210 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.423056] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f31323365cd [ 42.424346] RDX: 000055aa330c0e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.425632] RBP: 00007ffc7a8d8270 R08: 0000000000000000 R09: 00007ffc7a8d7910 [ 42.426944] R10: 0000000000000000 R11: 0000000000000246 R12: 000055aa5d22bbf0 [ 42.428219] R13: 00007ffc7a8d86a0 R14: 000055aa5d235380 R15: 000055aa5d240460 [ 42.429513] [ 42.429934] irq event stamp: 1855 [ 42.430595] hardirqs last enabled at (1865): [] __up_console_sem+0x78/0x80 [ 42.432128] hardirqs last disabled at (1874): [] __up_console_sem+0x5d/0x80 [ 42.433634] softirqs last enabled at (1776): [] handle_softirqs+0x50c/0x770 [ 42.435197] softirqs last disabled at (1771): [] __irq_exit_rcu+0xc4/0x100 [ 42.436726] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:47246' (ECDSA) to the list of known hosts. 2025/11/18 11:42:43 fuzzer started 2025/11/18 11:42:44 dialing manager at localhost:34383 2025/11/18 11:42:44 checking machine... 2025/11/18 11:42:44 checking revisions... [ 43.364324] kmemleak: Automatic memory scanning thread ended 2025/11/18 11:42:44 testing simple program... [ 43.445581] cgroup: Unknown subsys name 'net' [ 43.517231] cgroup: Unknown subsys name 'cpuset' [ 43.532649] cgroup: Unknown subsys name 'rlimit' executing program executing program VM DIAGNOSIS: 11:42:43 Registers: info registers vcpu 0 RAX=0000000000000002 RBX=ffffffff866a1ab8 RCX=ffffffff812dfbc1 RDX=0000000000000004 RSI=ffffffff869f20fa RDI=ffffffff866a1a98 RBP=ffffffff866a1ab0 RSP=ffff8880160f74f0 R8 =ffffffff869f20fa R9 =0000000000000000 R10=000000000003c9ed R11=000000000000453f R12=ffffffff866a1ac0 R13=ffffffff866a1a98 R14=ffffffff866a1aac R15=dffffc0000000000 RIP=ffffffff8135daa3 RFL=00000212 [----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 00007ff5181fd900 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe6a00000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007ff5181cc008 CR3=000000000f189000 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=00000000000224ad 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=00000202 [-------] 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 fffffe5e00000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f0677ad31a0 CR3=000000000d1e4000 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=0b9f6bd8fea740b2534eec65b0fd4d5e XMM02=2c67c8bc2e329bc30000000000301db0 XMM03=fb795ef6d6577056000000000030dc40 XMM04=4d409f1c489b0b9c00000000000ae988 XMM05=34b6764002c2e971000000000031eb60 XMM06=5b75c91c80445342000000000031e500 XMM07=e042d86d42eb936e000000000030df18 XMM08=16c3eed639f077f90000000000301e10 XMM09=00000000000000000000000000000000 XMM10=20200000000020202020202020200000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000