Debian GNU/Linux 11 syzkaller ttyS0 syzkaller login: [ 39.066423] ------------[ cut here ]------------ [ 39.067318] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 39.069356] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/231 [ 39.070823] Modules linked in: [ 39.071409] CPU: 1 UID: 104 PID: 231 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 39.073622] Tainted: [W]=WARN [ 39.074190] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 39.075715] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 39.076619] 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 [ 39.079786] RSP: 0018:ffff8880187efbc0 EFLAGS: 00010286 [ 39.080761] RAX: 0000000000000000 RBX: ffffed10030fdf78 RCX: ffffffff813a4050 [ 39.082047] RDX: ffff88800a3d5340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 39.083323] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed10030fdf2f [ 39.084601] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 39.085870] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff8880187efdf8 [ 39.087128] FS: 00007fbcebc02900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 39.088547] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 39.089595] CR2: 00007fbcec0f4580 CR3: 000000000d12f000 CR4: 0000000000350ef0 [ 39.090881] Call Trace: [ 39.091343] [ 39.091782] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 39.092697] ? __create_object+0x59/0x80 [ 39.093433] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.094401] __vmalloc_noprof+0x59/0x60 [ 39.095146] bpf_prog_alloc_no_stats+0x55/0x470 [ 39.096002] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.096927] bpf_prog_alloc+0x39/0x200 [ 39.097659] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.098575] bpf_prog_create_from_user+0xb2/0x2f0 [ 39.099429] do_seccomp+0x349/0x25e0 [ 39.100133] ? __pfx_css_rstat_updated+0x10/0x10 [ 39.101017] ? __pfx_do_seccomp+0x10/0x10 [ 39.101809] ? find_held_lock+0x2b/0x80 [ 39.102563] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 39.103473] ? static_key_count+0x60/0x80 [ 39.104275] prctl_set_seccomp+0x4e/0x70 [ 39.105041] __do_sys_prctl+0xe6c/0x1d70 [ 39.105830] ? __pfx___do_sys_prctl+0x10/0x10 [ 39.106682] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.107649] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 39.108633] ? irqentry_exit+0xf3/0x650 [ 39.109360] do_syscall_64+0xbf/0x430 [ 39.110106] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 39.111059] RIP: 0033:0x7fbcec0f45cd [ 39.111748] 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 [ 39.114886] RSP: 002b:00007fff52113220 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 39.116237] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fbcec0f45cd [ 39.117519] RDX: 000055ed2d2fce00 RSI: 0000000000000002 RDI: 0000000000000016 [ 39.118808] RBP: 00007fff52113280 R08: 0000000000000000 R09: 00007fff52112920 [ 39.120077] R10: 0000000000000000 R11: 0000000000000246 R12: 000055ed6b075ad0 [ 39.121352] R13: 00007fff521136b0 R14: 000055ed6b076bc0 R15: 000055ed6b087780 [ 39.122661] [ 39.123079] irq event stamp: 1763 [ 39.123724] hardirqs last enabled at (1773): [] __up_console_sem+0x78/0x80 [ 39.125257] hardirqs last disabled at (1782): [] __up_console_sem+0x5d/0x80 [ 39.126783] softirqs last enabled at (1320): [] handle_softirqs+0x50c/0x770 [ 39.128312] softirqs last disabled at (1315): [] __irq_exit_rcu+0xc4/0x100 [ 39.129831] ---[ end trace 0000000000000000 ]--- [ 41.948672] ------------[ cut here ]------------ [ 41.949583] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 41.951689] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/240 [ 41.953344] Modules linked in: [ 41.954067] CPU: 1 UID: 104 PID: 240 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 41.956065] Tainted: [W]=WARN [ 41.956654] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 41.958112] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 41.959016] 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 [ 41.962188] RSP: 0018:ffff88801604fbc0 EFLAGS: 00010286 [ 41.963170] RAX: 0000000000000000 RBX: ffffed1002c09f78 RCX: ffffffff813a4050 [ 41.964453] RDX: ffff888015fdd340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 41.965761] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002c09f2f [ 41.967063] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 41.968341] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801604fdf8 [ 41.969619] FS: 00007fa8f450d900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 41.971060] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 41.972125] CR2: 00007fa8f4a734a6 CR3: 00000000200fb000 CR4: 0000000000350ef0 [ 41.973413] Call Trace: [ 41.973933] [ 41.974339] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 41.975317] ? __create_object+0x59/0x80 [ 41.976266] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 41.977214] __vmalloc_noprof+0x59/0x60 [ 41.977975] bpf_prog_alloc_no_stats+0x55/0x470 [ 41.978828] ? __pfx_seccomp_check_filter+0x10/0x10 [ 41.979745] bpf_prog_alloc+0x39/0x200 [ 41.980636] ? __pfx_seccomp_check_filter+0x10/0x10 [ 41.981634] bpf_prog_create_from_user+0xb2/0x2f0 [ 41.982559] do_seccomp+0x349/0x25e0 [ 41.983230] ? find_held_lock+0x2b/0x80 [ 41.983977] ? do_prlimit+0x310/0x610 [ 41.984706] ? __pfx_do_seccomp+0x10/0x10 [ 41.985455] ? do_raw_spin_unlock+0x53/0x220 [ 41.986307] ? _raw_spin_unlock+0x1e/0x40 [ 41.987086] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 41.988051] ? static_key_count+0x60/0x80 [ 41.988846] prctl_set_seccomp+0x4e/0x70 [ 41.989610] __do_sys_prctl+0xe6c/0x1d70 [ 41.990360] ? __pfx___do_sys_prctl+0x10/0x10 [ 41.991213] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 41.992193] ? irqentry_exit+0xf3/0x650 [ 41.992954] do_syscall_64+0xbf/0x430 [ 41.993701] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 41.994680] RIP: 0033:0x7fa8f49ff5cd [ 41.995352] 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 [ 41.998522] RSP: 002b:00007ffe005f6fd0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 41.999870] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fa8f49ff5cd [ 42.001157] RDX: 000055f33a67ee00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.002460] RBP: 00007ffe005f7030 R08: 0000000000000000 R09: 00007ffe005f66d0 [ 42.003755] R10: 0000000000000000 R11: 0000000000000246 R12: 000055f3406b7b10 [ 42.005024] R13: 00007ffe005f7460 R14: 000055f3406b82b0 R15: 000055f3406cc6f0 [ 42.006324] [ 42.006789] irq event stamp: 1791 [ 42.007397] hardirqs last enabled at (1799): [] __up_console_sem+0x78/0x80 [ 42.008927] hardirqs last disabled at (1808): [] __up_console_sem+0x5d/0x80 [ 42.010457] softirqs last enabled at (1548): [] handle_softirqs+0x50c/0x770 [ 42.012019] softirqs last disabled at (1539): [] __irq_exit_rcu+0xc4/0x100 [ 42.013527] ---[ end trace 0000000000000000 ]--- [ 42.702258] ------------[ cut here ]------------ [ 42.703230] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.705318] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/249 [ 42.706772] Modules linked in: [ 42.707365] CPU: 0 UID: 104 PID: 249 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 42.709361] Tainted: [W]=WARN [ 42.709966] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.711429] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.712339] 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 [ 42.715528] RSP: 0018:ffff888016e67bc0 EFLAGS: 00010286 [ 42.716464] RAX: 0000000000000000 RBX: ffffed1002dccf78 RCX: ffffffff813a4050 [ 42.717761] RDX: ffff88800f129bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.719039] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002dccf2f [ 42.720320] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.721601] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888016e67df8 [ 42.722902] FS: 00007f39d8007900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 42.724324] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.725379] CR2: 00007ffc079e5ef8 CR3: 0000000020099000 CR4: 0000000000350ef0 [ 42.726678] Call Trace: [ 42.727143] [ 42.727588] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.728443] ? __create_object+0x59/0x80 [ 42.729211] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.730181] __vmalloc_noprof+0x59/0x60 [ 42.730920] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.731790] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.732713] bpf_prog_alloc+0x39/0x200 [ 42.733403] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.734334] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.736334] do_seccomp+0x349/0x25e0 [ 42.738964] ? find_held_lock+0x2b/0x80 [ 42.739751] ? do_prlimit+0x310/0x610 [ 42.740448] ? __pfx_do_seccomp+0x10/0x10 [ 42.741236] ? do_raw_spin_unlock+0x53/0x220 [ 42.742093] ? _raw_spin_unlock+0x1e/0x40 [ 42.742875] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.743844] ? static_key_count+0x60/0x80 [ 42.744636] prctl_set_seccomp+0x4e/0x70 [ 42.745357] __do_sys_prctl+0xe6c/0x1d70 [ 42.746156] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.747015] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.747985] ? irqentry_exit+0xf3/0x650 [ 42.748752] do_syscall_64+0xbf/0x430 [ 42.749445] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.750402] RIP: 0033:0x7f39d84f95cd [ 42.751118] 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 [ 42.754355] RSP: 002b:00007ffc079e36a0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.755731] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f39d84f95cd [ 42.757024] RDX: 0000561ec5d51e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.758345] RBP: 00007ffc079e3700 R08: 0000000000000000 R09: 00007ffc079e2da0 [ 42.759640] R10: 0000000000000000 R11: 0000000000000246 R12: 0000561efdce72b0 [ 42.760936] R13: 00007ffc079e3b30 R14: 0000561efdce9d20 R15: 0000561efdcfb8d0 [ 42.762263] [ 42.762742] irq event stamp: 2031 [ 42.763359] hardirqs last enabled at (2039): [] __up_console_sem+0x78/0x80 [ 42.764896] hardirqs last disabled at (2048): [] __up_console_sem+0x5d/0x80 [ 42.766445] softirqs last enabled at (1988): [] handle_softirqs+0x50c/0x770 [ 42.768025] softirqs last disabled at (1983): [] __irq_exit_rcu+0xc4/0x100 [ 42.769558] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:29376' (ECDSA) to the list of known hosts. 2025/11/17 09:23:59 fuzzer started 2025/11/17 09:23:59 dialing manager at localhost:37895 2025/11/17 09:23:59 checking machine... 2025/11/17 09:23:59 checking revisions... [ 43.679611] kmemleak: Automatic memory scanning thread ended 2025/11/17 09:23:59 testing simple program... [ 43.769978] cgroup: Unknown subsys name 'net' [ 43.832340] cgroup: Unknown subsys name 'cpuset' [ 43.848096] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program VM DIAGNOSIS: 09:23:58 Registers: info registers vcpu 0 RAX=0000000074a92aa3 RBX=ffff888018650000 RCX=0000000000000200 RDX=0000000000000008 RSI=ffff888018650a80 RDI=000000008aee578f RBP=ffff888018650a58 RSP=ffff888016827550 R8 =0000000000000000 R9 =0000000000000005 R10=0000000000000001 R11=0000000000000000 R12=ffff888018650a80 R13=f8aee5787bfa452b R14=0000000000000000 R15=0000000000000001 RIP=ffffffff815274c1 RFL=00000017 [----APC] 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 00007fa8f450d900 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe0100000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007fa8f44dc008 CR3=000000000e49c000 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=000000000001ee9b RBX=0000000000000001 RCX=ffffffff84c72d57 RDX=0000000000000000 RSI=0000000000000000 RDI=ffffffff814d2c90 RBP=dffffc0000000000 RSP=ffff8880096efe58 R8 =0000000000000001 R9 =ffffed100d9e639a R10=ffff88806cf31cd3 R11=0000000000000001 R12=ffffffff8664f650 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 fffffe3300000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007ffc993f3b18 CR3=000000000de6d000 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=f911fae551fd84b5f74f4d24c8170c74 XMM02=0000000000303928eff9b2d0a8fce9cb XMM03=00000000003039f82c67c8bc2e329bc3 XMM04=eaf0e317a18f33ba00000000000ae988 XMM05=07c8bb74b6c04a44000000000031fb78 XMM06=2241bc50ada3c3d800000000003197d0 XMM07=e042d86d42eb936e0000000000310248 XMM08=347a94fc21b41cbb00000000003039f8 XMM09=00000000000000000000000000000000 XMM10=20200000000020202020202020200000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000