[ 39.033727] ------------[ cut here ]------------ [ 39.034798] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 39.037095] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/232 [ 39.038764] Modules linked in: [ 39.039439] CPU: 1 UID: 104 PID: 232 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 39.041786] Tainted: [W]=WARN [ 39.042414] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 39.044098] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 39.045145] 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 [ 39.048791] RSP: 0018:ffff888015e4fbc0 EFLAGS: 00010286 [ 39.049927] RAX: 0000000000000000 RBX: ffffed1002bc9f78 RCX: ffffffff813a4050 [ 39.051404] RDX: ffff88801c1e1bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 39.052868] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002bc9f2f [ 39.054354] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000400dc0 [ 39.055824] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888015e4fdf8 [ 39.057309] FS: 00007fec5feb2900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 39.058949] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 39.060172] CR2: 00007fec603a4580 CR3: 000000000e06b000 CR4: 0000000000350ef0 [ 39.061665] Call Trace: [ 39.062194] [ 39.062710] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 39.063740] ? __create_object+0x59/0x80 [ 39.064639] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.065767] __vmalloc_noprof+0x59/0x60 [ 39.066636] bpf_prog_alloc_no_stats+0x55/0x470 [ 39.067635] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.068705] bpf_prog_alloc+0x39/0x200 [ 39.069467] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.070407] bpf_prog_create_from_user+0xb2/0x2f0 [ 39.071295] do_seccomp+0x349/0x25e0 [ 39.072000] ? __pfx_css_rstat_updated+0x10/0x10 [ 39.072878] ? __pfx_do_seccomp+0x10/0x10 [ 39.073650] ? find_held_lock+0x2b/0x80 [ 39.074358] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 39.075295] ? static_key_count+0x60/0x80 [ 39.076074] prctl_set_seccomp+0x4e/0x70 [ 39.076834] __do_sys_prctl+0xe6c/0x1d70 [ 39.077616] ? __pfx___do_sys_prctl+0x10/0x10 [ 39.078420] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.079363] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 39.080311] ? irqentry_exit+0xf3/0x650 [ 39.081083] do_syscall_64+0xbf/0x430 [ 39.081834] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 39.082767] RIP: 0033:0x7fec603a45cd [ 39.083413] 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 [ 39.086534] RSP: 002b:00007ffc0d98d480 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 39.087874] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fec603a45cd [ 39.089136] RDX: 00005566c1857e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 39.090402] RBP: 00007ffc0d98d4e0 R08: 0000000000000000 R09: 00007ffc0d98cb80 [ 39.091660] R10: 0000000000000000 R11: 0000000000000246 R12: 00005566e31862b0 [ 39.092925] R13: 00007ffc0d98d910 R14: 00005566e3188d20 R15: 00005566e319a8d0 [ 39.094218] [ 39.094679] irq event stamp: 1789 [ 39.095279] hardirqs last enabled at (1797): [] __up_console_sem+0x78/0x80 [ 39.096757] hardirqs last disabled at (1806): [] __up_console_sem+0x5d/0x80 [ 39.098254] softirqs last enabled at (1726): [] handle_softirqs+0x50c/0x770 [ 39.099761] softirqs last disabled at (1721): [] __irq_exit_rcu+0xc4/0x100 [ 39.101252] ---[ end trace 0000000000000000 ]--- Debian GNU/Linux 11 syzkaller ttyS0 syzkaller login: [ 42.148672] ------------[ cut here ]------------ [ 42.149768] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.152062] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/240 [ 42.153797] Modules linked in: [ 42.154530] CPU: 1 UID: 104 PID: 240 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 42.156796] Tainted: [W]=WARN [ 42.157452] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.159186] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.160248] 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 [ 42.163931] RSP: 0018:ffff888016b97bc0 EFLAGS: 00010286 [ 42.165063] RAX: 0000000000000000 RBX: ffffed1002d72f78 RCX: ffffffff813a4050 [ 42.166566] RDX: ffff88801bf1b780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.168056] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002d72f2f [ 42.169543] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.171025] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888016b97df8 [ 42.172515] FS: 00007f2feafe6900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 42.174198] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.175420] CR2: 00007f2feb4d8580 CR3: 00000000201b6000 CR4: 0000000000350ef0 [ 42.176918] Call Trace: [ 42.177579] [ 42.177997] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.178884] ? __create_object+0x59/0x80 [ 42.179653] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.180618] __vmalloc_noprof+0x59/0x60 [ 42.181340] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.182205] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.183130] bpf_prog_alloc+0x39/0x200 [ 42.183859] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.184793] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.185703] do_seccomp+0x349/0x25e0 [ 42.186364] ? __pfx_css_rstat_updated+0x10/0x10 [ 42.187236] ? __pfx_do_seccomp+0x10/0x10 [ 42.188020] ? find_held_lock+0x2b/0x80 [ 42.188762] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.189715] ? static_key_count+0x60/0x80 [ 42.190457] prctl_set_seccomp+0x4e/0x70 [ 42.191229] __do_sys_prctl+0xe6c/0x1d70 [ 42.192007] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.192854] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.193814] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.194758] ? irqentry_exit+0xf3/0x650 [ 42.195466] do_syscall_64+0xbf/0x430 [ 42.196198] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.197146] RIP: 0033:0x7f2feb4d85cd [ 42.197834] 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 [ 42.200943] RSP: 002b:00007ffed8b42700 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.202303] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f2feb4d85cd [ 42.203562] RDX: 000055e79d8dfe00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.204832] RBP: 00007ffed8b42760 R08: 0000000000000000 R09: 00007ffed8b41e00 [ 42.206094] R10: 0000000000000000 R11: 0000000000000246 R12: 000055e7bc154ad0 [ 42.207358] R13: 00007ffed8b42b90 R14: 000055e7bc155bc0 R15: 000055e7bc166780 [ 42.208642] [ 42.209057] irq event stamp: 1765 [ 42.209714] hardirqs last enabled at (1775): [] __up_console_sem+0x78/0x80 [ 42.211212] hardirqs last disabled at (1784): [] __up_console_sem+0x5d/0x80 [ 42.212705] softirqs last enabled at (1524): [] handle_softirqs+0x50c/0x770 [ 42.214089] softirqs last disabled at (1509): [] __irq_exit_rcu+0xc4/0x100 [ 42.215299] ---[ end trace 0000000000000000 ]--- [ 43.073162] ------------[ cut here ]------------ [ 43.074113] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 43.076149] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/248 [ 43.077668] Modules linked in: [ 43.078281] CPU: 0 UID: 104 PID: 248 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 43.080278] Tainted: [W]=WARN [ 43.080864] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 43.082354] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 43.083288] 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 [ 43.086521] RSP: 0018:ffff88800f3efbc0 EFLAGS: 00010286 [ 43.087464] RAX: 0000000000000000 RBX: ffffed1001e7df78 RCX: ffffffff813a4050 [ 43.088811] RDX: ffff888013e0b780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 43.090115] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1001e7df2f [ 43.091417] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 43.092710] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88800f3efdf8 [ 43.094035] FS: 00007f90333f8900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 43.095507] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 43.096574] CR2: 00007ffe5749aef8 CR3: 000000000cf5e000 CR4: 0000000000350ef0 [ 43.097874] Call Trace: [ 43.098344] [ 43.098800] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 43.099712] ? __create_object+0x59/0x80 [ 43.100444] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 43.101427] __vmalloc_noprof+0x59/0x60 [ 43.102184] bpf_prog_alloc_no_stats+0x55/0x470 [ 43.103054] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.103991] bpf_prog_alloc+0x39/0x200 [ 43.104727] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.105669] bpf_prog_create_from_user+0xb2/0x2f0 [ 43.106573] do_seccomp+0x349/0x25e0 [ 43.107238] ? find_held_lock+0x2b/0x80 [ 43.107999] ? do_prlimit+0x310/0x610 [ 43.108740] ? __pfx_do_seccomp+0x10/0x10 [ 43.109538] ? do_raw_spin_unlock+0x53/0x220 [ 43.110331] ? _raw_spin_unlock+0x1e/0x40 [ 43.111132] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 43.112114] ? static_key_count+0x60/0x80 [ 43.112928] prctl_set_seccomp+0x4e/0x70 [ 43.113724] __do_sys_prctl+0xe6c/0x1d70 [ 43.114523] ? __pfx___do_sys_prctl+0x10/0x10 [ 43.115344] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 43.116349] ? irqentry_exit+0xf3/0x650 [ 43.117112] do_syscall_64+0xbf/0x430 [ 43.117872] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 43.118845] RIP: 0033:0x7f90338ea5cd [ 43.119552] 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 [ 43.122766] RSP: 002b:00007ffe57499130 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 43.124141] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f90338ea5cd [ 43.125443] RDX: 000055ff1f7b0e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 43.126781] RBP: 00007ffe57499190 R08: 0000000000000000 R09: 00007ffe57498830 [ 43.128053] R10: 0000000000000000 R11: 0000000000000246 R12: 000055ff48171240 [ 43.129367] R13: 00007ffe574995c0 R14: 000055ff4817a380 R15: 000055ff48185540 [ 43.130671] [ 43.131090] irq event stamp: 1709 [ 43.131761] hardirqs last enabled at (1719): [] __up_console_sem+0x78/0x80 [ 43.133315] hardirqs last disabled at (1728): [] __up_console_sem+0x5d/0x80 [ 43.134854] softirqs last enabled at (1664): [] handle_softirqs+0x50c/0x770 [ 43.136419] softirqs last disabled at (1659): [] __irq_exit_rcu+0xc4/0x100 [ 43.137992] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:5711' (ECDSA) to the list of known hosts. 2025/11/17 18:52:52 fuzzer started 2025/11/17 18:52:52 dialing manager at localhost:37895 2025/11/17 18:52:52 checking machine... 2025/11/17 18:52:52 checking revisions... [ 44.034875] kmemleak: Automatic memory scanning thread ended 2025/11/17 18:52:53 testing simple program... [ 44.133409] cgroup: Unknown subsys name 'net' [ 44.215157] cgroup: Unknown subsys name 'cpuset' [ 44.243667] cgroup: Unknown subsys name 'rlimit' executing program executing program VM DIAGNOSIS: 18:52:51 Registers: info registers vcpu 0 RAX=dffffc0000000000 RBX=0000000000000002 RCX=0000000000000000 RDX=0000000000000000 RSI=ffffffff812efa67 RDI=ffff88806ce37414 RBP=ffff88801a307470 RSP=ffff88801a307360 R8 =ffff88806ce37e00 R9 =ffffed1003460e5e R10=0000000000000000 R11=0000000000000001 R12=ffff8880173bb780 R13=ffff8880173bb780 R14=ffff88806ce37340 R15=ffffffff85a7f1c8 RIP=ffffffff84c7dbdb 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 0000000000000000 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe4300000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007fa008d50260 CR3=000000000cdd1000 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=756e696c2d34365f3638782f62696c2f XMM01=2e6f732e347a6c62696c2f756e672d78 XMM02=00312e6f732e347a6c62696c2f756e67 XMM03=2d78756e696c2d34365f3638782f6269 XMM04=00000000000000000000000000000000 XMM05=00000000000000000000000000000000 XMM06=00000000000000000000000000000000 XMM07=00000000000000000000000000000000 XMM08=00000000000000000000000000000000 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=ffff8880096fb780 RBX=0000000000000000 RCX=0000000000000001 RDX=0000000000000000 RSI=ffffffff8135e4bd RDI=fffffbfff0bc3ffc RBP=ffffffff85e1ffe0 RSP=ffff888009757750 R8 =0000000000000000 R9 =0000000000000000 R10=000000000003c9ed R11=000000000000b615 R12=0000000000000002 R13=0000000000000000 R14=0000000000000000 R15=ffff888009757840 RIP=ffffffff81529330 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 fffffe1600000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007ff781260028 CR3=000000000dd5b000 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=454d49544c4145525f454352554f535f XMM01=3d504d415453454d49545f454d49544c XMM02=ffffffffffffffffffffffffffffffff XMM03=2f6c616e72756f6a2f676f6c2f6e7572 XMM04=00e00904e3fa0dc800000000000ae988 XMM05=ea527e3581cdea7f0000000000320c68 XMM06=f748b05ad389a6d0000000000031fd10 XMM07=00000000000000000000000000000000 XMM08=415453454d49545f454d49544c414552 XMM09=00000000000000000000000000000000 XMM10=20200000000020202020202020200000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000