Debian GNU/Linux 11 syzkaller ttyS0 syzkaller login: [ 39.186803] ------------[ cut here ]------------ [ 39.187778] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 39.189868] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/232 [ 39.191453] Modules linked in: [ 39.192491] CPU: 1 UID: 104 PID: 232 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 39.194649] Tainted: [W]=WARN [ 39.195284] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 39.196821] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 39.197775] 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 [ 39.201008] RSP: 0018:ffff888016eb7bc0 EFLAGS: 00010286 [ 39.202024] RAX: 0000000000000000 RBX: ffffed1002dd6f78 RCX: ffffffff813a4050 [ 39.203374] RDX: ffff8880168d0000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 39.204783] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002dd6f2f [ 39.205804] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 39.206815] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888016eb7df8 [ 39.207821] FS: 00007f79b307b900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 39.208989] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 39.209835] CR2: 00007ffe9cc4eef8 CR3: 000000000e096000 CR4: 0000000000350ef0 [ 39.210922] Call Trace: [ 39.211306] [ 39.211650] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 39.212395] ? __create_object+0x59/0x80 [ 39.213041] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.213807] __vmalloc_noprof+0x59/0x60 [ 39.214435] bpf_prog_alloc_no_stats+0x55/0x470 [ 39.215153] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.215884] bpf_prog_alloc+0x39/0x200 [ 39.216504] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.217269] bpf_prog_create_from_user+0xb2/0x2f0 [ 39.218004] do_seccomp+0x349/0x25e0 [ 39.218561] ? find_held_lock+0x2b/0x80 [ 39.219183] ? do_prlimit+0x310/0x610 [ 39.219764] ? __pfx_do_seccomp+0x10/0x10 [ 39.220411] ? do_raw_spin_unlock+0x53/0x220 [ 39.221101] ? _raw_spin_unlock+0x1e/0x40 [ 39.221709] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 39.222508] ? static_key_count+0x60/0x80 [ 39.223161] prctl_set_seccomp+0x4e/0x70 [ 39.223768] __do_sys_prctl+0xe6c/0x1d70 [ 39.224423] ? __pfx___do_sys_prctl+0x10/0x10 [ 39.225125] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 39.225891] ? irqentry_exit+0xf3/0x650 [ 39.226518] do_syscall_64+0xbf/0x430 [ 39.227123] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 39.227872] RIP: 0033:0x7f79b356d5cd [ 39.228466] 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 [ 39.231078] RSP: 002b:00007ffe9cc4cd80 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 39.232199] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f79b356d5cd [ 39.233256] RDX: 000055c4587a8e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 39.234308] RBP: 00007ffe9cc4cde0 R08: 0000000000000000 R09: 00007ffe9cc4c480 [ 39.235354] R10: 0000000000000000 R11: 0000000000000246 R12: 000055c490750b10 [ 39.236423] R13: 00007ffe9cc4d210 R14: 000055c4907512b0 R15: 000055c4907656f0 [ 39.237486] [ 39.237837] irq event stamp: 1837 [ 39.238366] hardirqs last enabled at (1847): [] __up_console_sem+0x78/0x80 [ 39.239619] hardirqs last disabled at (1856): [] __up_console_sem+0x5d/0x80 [ 39.240875] softirqs last enabled at (1362): [] handle_softirqs+0x50c/0x770 [ 39.242164] softirqs last disabled at (1871): [] __irq_exit_rcu+0xc4/0x100 [ 39.243423] ---[ end trace 0000000000000000 ]--- [ 42.756206] ------------[ cut here ]------------ [ 42.756999] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.758656] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/241 [ 42.759874] Modules linked in: [ 42.760476] CPU: 1 UID: 104 PID: 241 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 42.762189] Tainted: [W]=WARN [ 42.762649] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.763869] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.764660] 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 [ 42.767411] RSP: 0018:ffff8880188cfbc0 EFLAGS: 00010286 [ 42.768186] RAX: 0000000000000000 RBX: ffffed1003119f78 RCX: ffffffff813a4050 [ 42.769249] RDX: ffff8880196d1bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.770363] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1003119f2f [ 42.771504] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.772553] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff8880188cfdf8 [ 42.773580] FS: 00007fb3897d6900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 42.774756] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.775682] CR2: 00007fb389cc8580 CR3: 000000000d870000 CR4: 0000000000350ef0 [ 42.776775] Call Trace: [ 42.777197] [ 42.777561] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.778303] ? __create_object+0x59/0x80 [ 42.778947] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.779756] __vmalloc_noprof+0x59/0x60 [ 42.780452] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.781175] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.781902] bpf_prog_alloc+0x39/0x200 [ 42.782510] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.783276] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.784009] do_seccomp+0x349/0x25e0 [ 42.784577] ? __pfx_css_rstat_updated+0x10/0x10 [ 42.785320] ? __pfx_do_seccomp+0x10/0x10 [ 42.786000] ? find_held_lock+0x2b/0x80 [ 42.786656] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.787459] ? static_key_count+0x60/0x80 [ 42.788122] prctl_set_seccomp+0x4e/0x70 [ 42.788739] __do_sys_prctl+0xe6c/0x1d70 [ 42.789377] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.790073] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.790879] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.791737] ? irqentry_exit+0xf3/0x650 [ 42.792405] do_syscall_64+0xbf/0x430 [ 42.793023] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.793769] RIP: 0033:0x7fb389cc85cd [ 42.794357] 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 [ 42.796976] RSP: 002b:00007ffeac91f3a0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.798202] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fb389cc85cd [ 42.799249] RDX: 0000561bc771ee00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.800300] RBP: 00007ffeac91f400 R08: 0000000000000000 R09: 00007ffeac91eaa0 [ 42.801369] R10: 0000000000000000 R11: 0000000000000246 R12: 0000561c02dccad0 [ 42.802505] R13: 00007ffeac91f830 R14: 0000561c02dcdbc0 R15: 0000561c02dde780 [ 42.803581] [ 42.803955] irq event stamp: 1709 [ 42.804475] hardirqs last enabled at (1717): [] __up_console_sem+0x78/0x80 [ 42.805721] hardirqs last disabled at (1726): [] __up_console_sem+0x5d/0x80 [ 42.806974] softirqs last enabled at (1216): [] handle_softirqs+0x50c/0x770 [ 42.808247] softirqs last disabled at (1211): [] __irq_exit_rcu+0xc4/0x100 [ 42.809531] ---[ end trace 0000000000000000 ]--- [ 43.642422] ------------[ cut here ]------------ [ 43.643381] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 43.645395] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/249 [ 43.646889] Modules linked in: [ 43.647508] CPU: 1 UID: 104 PID: 249 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 43.649477] Tainted: [W]=WARN [ 43.650064] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 43.651514] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 43.652680] 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 [ 43.655871] RSP: 0018:ffff88801751fbc0 EFLAGS: 00010286 [ 43.656840] RAX: 0000000000000000 RBX: ffffed1002ea3f78 RCX: ffffffff813a4050 [ 43.658107] RDX: ffff888016768000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 43.659373] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002ea3f2f [ 43.660651] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 43.661931] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801751fdf8 [ 43.663207] FS: 00007ffad73c3900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 43.664633] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 43.665683] CR2: 00007ffad78b5580 CR3: 000000000e158000 CR4: 0000000000350ef0 [ 43.666953] Call Trace: [ 43.667410] [ 43.667811] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 43.668707] ? __create_object+0x59/0x80 [ 43.669535] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 43.670503] __vmalloc_noprof+0x59/0x60 [ 43.671255] bpf_prog_alloc_no_stats+0x55/0x470 [ 43.672117] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.673046] bpf_prog_alloc+0x39/0x200 [ 43.673726] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.674644] bpf_prog_create_from_user+0xb2/0x2f0 [ 43.675524] do_seccomp+0x349/0x25e0 [ 43.676236] ? __pfx_css_rstat_updated+0x10/0x10 [ 43.677137] ? __pfx_do_seccomp+0x10/0x10 [ 43.677868] ? find_held_lock+0x2b/0x80 [ 43.678620] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 43.679567] ? static_key_count+0x60/0x80 [ 43.680368] prctl_set_seccomp+0x4e/0x70 [ 43.681143] __do_sys_prctl+0xe6c/0x1d70 [ 43.681864] ? __pfx___do_sys_prctl+0x10/0x10 [ 43.682726] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 43.683707] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 43.684672] ? irqentry_exit+0xf3/0x650 [ 43.685421] do_syscall_64+0xbf/0x430 [ 43.686152] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 43.687103] RIP: 0033:0x7ffad78b55cd [ 43.687758] 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 [ 43.690945] RSP: 002b:00007ffce53f05c0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 43.692289] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ffad78b55cd [ 43.693607] RDX: 0000561763b26e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 43.694884] RBP: 00007ffce53f0620 R08: 0000000000000000 R09: 00007ffce53efcc0 [ 43.696178] R10: 0000000000000000 R11: 0000000000000246 R12: 0000561789196b10 [ 43.697481] R13: 00007ffce53f0a50 R14: 00005617891972b0 R15: 00005617891ab6f0 [ 43.698773] [ 43.699238] irq event stamp: 1837 [ 43.699828] hardirqs last enabled at (1845): [] __up_console_sem+0x78/0x80 [ 43.701356] hardirqs last disabled at (1854): [] __up_console_sem+0x5d/0x80 [ 43.702850] softirqs last enabled at (1824): [] handle_softirqs+0x50c/0x770 [ 43.704411] softirqs last disabled at (1819): [] __irq_exit_rcu+0xc4/0x100 [ 43.705929] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:41807' (ECDSA) to the list of known hosts. 2025/11/19 02:24:48 fuzzer started 2025/11/19 02:24:48 dialing manager at localhost:34383 2025/11/19 02:24:48 checking machine... 2025/11/19 02:24:48 checking revisions... [ 44.593374] kmemleak: Automatic memory scanning thread ended 2025/11/19 02:24:48 testing simple program... [ 44.674714] cgroup: Unknown subsys name 'net' [ 44.732539] cgroup: Unknown subsys name 'cpuset' [ 44.747314] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program VM DIAGNOSIS: 02:24:47 Registers: info registers vcpu 0 RAX=0000000000000001 RBX=ffff88806ce08a70 RCX=ffff88806ce089c4 RDX=1ffff1100d9c114e RSI=ffffffff85e1ffe0 RDI=ffff88806ce08a70 RBP=ffff88806ce08b08 RSP=ffff88806ce08a58 R8 =0000000000000001 R9 =ffff88806ce08ab0 R10=000000000003c9ed R11=000000000000a9f5 R12=ffff88806ce08b38 R13=0000000000000000 R14=ffff888019743780 R15=ffff888009462280 RIP=ffffffff8135e188 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 00007fb3897d6900 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe4400000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007ffeac919000 CR3=000000001f81b000 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=635f6e6f69737365733a4d41503d706f XMM01=6f6c5f6d61702c78756e696c65735f6d XMM02=61702c74696d7265705f6d61702c7469 XMM03=655f6d61702c7374696d696c5f6d6170 XMM04=3d6c616e696d72657420322e322e302e XMM05=3d656d616e74736f682022646873732f XMM06=746f6f72223d746363612078756e696c XMM07=6e655f6d61702c7374696d696c5f6d61 XMM08=652075253d64692073253d706f000000 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=1ffffffff0ce4b9e RBX=ffffffff86725cf4 RCX=ffffffff81b2a2a3 RDX=0000000000000000 RSI=ffffffff86ab8442 RDI=ffffffff86725cc8 RBP=ffffffff86725cf4 RSP=ffff88806cf089b8 R8 =ffffffff86ab8442 R9 =0000000000000000 R10=000000000003c9ed R11=00000000000255cb R12=ffffffff86725cf4 R13=ffffffff86725cc8 R14=ffffffff86725cf0 R15=dffffc0000000000 RIP=ffffffff8135daaa RFL=00000213 [----A-C] 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 fffffe0100000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007fffdd45ac68 CR3=0000000013d3e000 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=ce4812c6af367c91484ecadfee50b525 XMM02=2c67c8bc2e329bc30000000000305c20 XMM03=fb795ef6d6577056000000000030ed00 XMM04=2d8dfd5d199f165400000000000ae988 XMM05=aa5da8ca700f0e6d000000000031f8b8 XMM06=474038aa6c007e1f000000000031f540 XMM07=e042d86d42eb936e000000000030ef80 XMM08=af9c6e526afeb0a70000000000305c80 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000