[ 39.066307] ------------[ cut here ]------------ [ 39.067230] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 39.069659] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/231 [ 39.071108] Modules linked in: [ 39.071734] CPU: 0 UID: 104 PID: 231 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 39.073980] Tainted: [W]=WARN [ 39.074644] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 39.076101] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 39.077014] 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 [ 39.080217] RSP: 0018:ffff88801641fbc0 EFLAGS: 00010286 [ 39.081210] RAX: 0000000000000000 RBX: ffffed1002c83f78 RCX: ffffffff813a4050 [ 39.082503] RDX: ffff888019553780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 39.083826] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002c83f2f [ 39.085112] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 39.086394] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801641fdf8 [ 39.087669] FS: 00007ff4129f7900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 39.089146] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 39.090221] CR2: 00007ffd5053eef7 CR3: 000000000e1b6000 CR4: 0000000000350ef0 [ 39.091532] Call Trace: [ 39.091993] [ 39.092412] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 39.093325] ? __create_object+0x59/0x80 [ 39.094104] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.095082] __vmalloc_noprof+0x59/0x60 [ 39.095839] bpf_prog_alloc_no_stats+0x55/0x470 [ 39.096711] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.097654] bpf_prog_alloc+0x39/0x200 [ 39.098359] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.099288] bpf_prog_create_from_user+0xb2/0x2f0 [ 39.100186] do_seccomp+0x349/0x25e0 [ 39.100912] ? find_held_lock+0x2b/0x80 [ 39.101667] ? do_prlimit+0x310/0x610 [ 39.102415] ? __pfx_do_seccomp+0x10/0x10 [ 39.103220] ? do_raw_spin_unlock+0x53/0x220 [ 39.104042] ? _raw_spin_unlock+0x1e/0x40 [ 39.104832] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 39.105806] ? static_key_count+0x60/0x80 [ 39.106608] prctl_set_seccomp+0x4e/0x70 [ 39.107349] __do_sys_prctl+0xe6c/0x1d70 [ 39.108140] ? __pfx___do_sys_prctl+0x10/0x10 [ 39.108998] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 39.109961] ? irqentry_exit+0xf3/0x650 [ 39.110733] do_syscall_64+0xbf/0x430 [ 39.111423] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 39.112368] RIP: 0033:0x7ff412ee95cd [ 39.113080] 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 [ 39.116255] RSP: 002b:00007ffd5053c7b0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 39.117636] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ff412ee95cd [ 39.118783] RDX: 0000555e491ebe00 RSI: 0000000000000002 RDI: 0000000000000016 [ 39.119943] RBP: 00007ffd5053c810 R08: 0000000000000000 R09: 00007ffd5053beb0 [ 39.121102] R10: 0000000000000000 R11: 0000000000000246 R12: 0000555e5f592b10 [ 39.122259] R13: 00007ffd5053cc40 R14: 0000555e5f5932b0 R15: 0000555e5f5a76f0 [ 39.123426] [ 39.123831] irq event stamp: 1837 [ 39.124392] hardirqs last enabled at (1845): [] __up_console_sem+0x78/0x80 [ 39.125767] hardirqs last disabled at (1854): [] __up_console_sem+0x5d/0x80 [ 39.127109] softirqs last enabled at (1794): [] handle_softirqs+0x50c/0x770 [ 39.128565] softirqs last disabled at (1873): [] __irq_exit_rcu+0xc4/0x100 [ 39.129933] ---[ end trace 0000000000000000 ]--- Debian GNU/Linux 11 syzkaller ttyS0 syzkaller login: [ 42.502875] ------------[ cut here ]------------ [ 42.503454] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.504747] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/239 [ 42.505709] Modules linked in: [ 42.506088] CPU: 0 UID: 104 PID: 239 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 42.507353] Tainted: [W]=WARN [ 42.507730] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.508659] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.509219] 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 [ 42.511249] RSP: 0018:ffff88801a9a7bc0 EFLAGS: 00010286 [ 42.511866] RAX: 0000000000000000 RBX: ffffed1003534f78 RCX: ffffffff813a4050 [ 42.512685] RDX: ffff8880161e0000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.513479] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1003534f2f [ 42.514289] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.515112] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801a9a7df8 [ 42.515923] FS: 00007faca9f8b900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 42.516845] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.517537] CR2: 00007facaa4f14a6 CR3: 000000000e582000 CR4: 0000000000350ef0 [ 42.518333] Call Trace: [ 42.518658] [ 42.518921] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.519462] ? __create_object+0x59/0x80 [ 42.519960] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.520577] __vmalloc_noprof+0x59/0x60 [ 42.521038] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.521593] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.522163] bpf_prog_alloc+0x39/0x200 [ 42.522634] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.523199] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.523772] do_seccomp+0x349/0x25e0 [ 42.524197] ? find_held_lock+0x2b/0x80 [ 42.524678] ? do_prlimit+0x310/0x610 [ 42.525136] ? __pfx_do_seccomp+0x10/0x10 [ 42.525631] ? do_raw_spin_unlock+0x53/0x220 [ 42.526134] ? _raw_spin_unlock+0x1e/0x40 [ 42.526625] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.527210] ? static_key_count+0x60/0x80 [ 42.527721] prctl_set_seccomp+0x4e/0x70 [ 42.528191] __do_sys_prctl+0xe6c/0x1d70 [ 42.528694] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.529222] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.529841] ? irqentry_exit+0xf3/0x650 [ 42.530299] do_syscall_64+0xbf/0x430 [ 42.530769] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.531350] RIP: 0033:0x7facaa47d5cd [ 42.531799] 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 [ 42.533818] RSP: 002b:00007ffe099cb030 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.534689] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007facaa47d5cd [ 42.535479] RDX: 000055710515fe00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.536295] RBP: 00007ffe099cb090 R08: 0000000000000000 R09: 00007ffe099ca730 [ 42.537136] R10: 0000000000000000 R11: 0000000000000246 R12: 0000557142ddf2b0 [ 42.537968] R13: 00007ffe099cb4c0 R14: 0000557142de1d20 R15: 0000557142df38d0 [ 42.538803] [ 42.539072] irq event stamp: 1679 [ 42.539455] hardirqs last enabled at (1687): [] __up_console_sem+0x78/0x80 [ 42.540425] hardirqs last disabled at (1696): [] __up_console_sem+0x5d/0x80 [ 42.541398] softirqs last enabled at (1196): [] handle_softirqs+0x50c/0x770 [ 42.542378] softirqs last disabled at (1185): [] __irq_exit_rcu+0xc4/0x100 [ 42.543339] ---[ end trace 0000000000000000 ]--- [ 43.473438] ------------[ cut here ]------------ [ 43.474376] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 43.476431] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/247 [ 43.477951] Modules linked in: [ 43.478609] CPU: 0 UID: 104 PID: 247 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 43.480753] Tainted: [W]=WARN [ 43.481349] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 43.482892] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 43.483836] 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 [ 43.487107] RSP: 0018:ffff88801ab17bc0 EFLAGS: 00010286 [ 43.488180] RAX: 0000000000000000 RBX: ffffed1003562f78 RCX: ffffffff813a4050 [ 43.489567] RDX: ffff888016c1b780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 43.490914] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1003562f2f [ 43.492237] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 43.493571] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801ab17df8 [ 43.494936] FS: 00007f146dc35900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 43.496424] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 43.497565] CR2: 00007f146e127580 CR3: 000000000e139000 CR4: 0000000000350ef0 [ 43.498902] Call Trace: [ 43.499376] [ 43.499862] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 43.500815] ? __create_object+0x59/0x80 [ 43.501647] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 43.502653] __vmalloc_noprof+0x59/0x60 [ 43.503387] bpf_prog_alloc_no_stats+0x55/0x470 [ 43.504294] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.505270] bpf_prog_alloc+0x39/0x200 [ 43.506043] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.507037] bpf_prog_create_from_user+0xb2/0x2f0 [ 43.508006] do_seccomp+0x349/0x25e0 [ 43.508770] ? __pfx_css_rstat_updated+0x10/0x10 [ 43.509710] ? __pfx_do_seccomp+0x10/0x10 [ 43.510570] ? find_held_lock+0x2b/0x80 [ 43.511495] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 43.512779] ? static_key_count+0x60/0x80 [ 43.513785] prctl_set_seccomp+0x4e/0x70 [ 43.514724] __do_sys_prctl+0xe6c/0x1d70 [ 43.515694] ? __pfx___do_sys_prctl+0x10/0x10 [ 43.516769] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 43.518044] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 43.519168] ? irqentry_exit+0xf3/0x650 [ 43.519993] do_syscall_64+0xbf/0x430 [ 43.520765] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 43.521763] RIP: 0033:0x7f146e1275cd [ 43.522433] 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 [ 43.525720] RSP: 002b:00007ffd46763460 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 43.527137] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f146e1275cd [ 43.528468] RDX: 000055fd54fd0e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 43.529810] RBP: 00007ffd467634c0 R08: 0000000000000000 R09: 00007ffd46762b60 [ 43.531146] R10: 0000000000000000 R11: 0000000000000246 R12: 000055fd8ebab2b0 [ 43.532469] R13: 00007ffd467638f0 R14: 000055fd8ebadd20 R15: 000055fd8ebbf8d0 [ 43.533843] [ 43.534218] irq event stamp: 1751 [ 43.534811] hardirqs last enabled at (1761): [] __up_console_sem+0x78/0x80 [ 43.536122] hardirqs last disabled at (1770): [] __up_console_sem+0x5d/0x80 [ 43.537439] softirqs last enabled at (1606): [] handle_softirqs+0x50c/0x770 [ 43.538792] softirqs last disabled at (1599): [] __irq_exit_rcu+0xc4/0x100 [ 43.540103] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:51320' (ECDSA) to the list of known hosts. 2025/11/18 21:25:22 fuzzer started 2025/11/18 21:25:22 dialing manager at localhost:34383 2025/11/18 21:25:22 checking machine... 2025/11/18 21:25:22 checking revisions... [ 44.448120] kmemleak: Automatic memory scanning thread ended 2025/11/18 21:25:22 testing simple program... [ 44.546609] cgroup: Unknown subsys name 'net' [ 44.595262] cgroup: Unknown subsys name 'cpuset' [ 44.605695] cgroup: Unknown subsys name 'rlimit' executing program executing program VM DIAGNOSIS: 21:25:21 Registers: info registers vcpu 0 RAX=1ffffffff0d4864d RBX=0000000000000001 RCX=ffffffff86a43268 RDX=0000000000000000 RSI=dffffc0000000000 RDI=ffffffff86a4326a RBP=ffff888009627848 RSP=ffff888009627780 R8 =ffffffff86a4326c R9 =ffff888009627830 R10=000000000003c9ed R11=0000000000011d7b R12=ffff888009627850 R13=ffff888009627838 R14=ffff888009627d50 R15=ffff8880096277f0 RIP=ffffffff8135fac9 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 0000000000000000 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe0600000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f757730d260 CR3=000000000cff0000 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=756f6a2f646d65747379732f6e75722f XMM01=00676f6c7379732f6c616e72756f6a2f XMM02=756f6a2f646d65747379732f6e75722f XMM03=006c616e72756f6a2f646d6574737973 XMM04=29a6b62396828c4800000000000ae988 XMM05=1319e678c5640f8a0000000000320588 XMM06=405749d8372a36f100000000003204f0 XMM07=58f17c1affdc82d60000000000310148 XMM08=4f5453444600273d67736d000d0a0920 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=dffffc0000000000 RBX=ffffffff81b2d6aa RCX=ffff888009757794 RDX=1ffff110012eaf13 RSI=ffffffff85e1ffe0 RDI=ffffffff81b2d6aa RBP=ffff888009757898 RSP=ffff888009757810 R8 =ffffffff86ab8488 R9 =ffff888009757880 R10=000000000003c9ed R11=00000000000255cb R12=ffff888009757908 R13=0000000000000000 R14=ffff8880096fb780 R15=ffff888008c4b780 RIP=ffffffff81439cc0 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 fffffe5100000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007facaa540650 CR3=00000000204a4000 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=000000000000000000000000000000ff XMM02=000000000000000000000000000000ff XMM03=5320444f4854454d5f54505952434e45 XMM04=40404040404040404040404040404040 XMM05=5a5a5a5a5a5a5a5a5a5a5a5a5a5a5a5a XMM06=20202020202020202020202020202020 XMM07=00000000000000000000000000000000 XMM08=ffbc64ffffbc44ffffbc34ffffbc9f00 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000