[Bug 248443] Panic on jail to host TCP transmission

[bugzilla-noreply at freebsd.org]

https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=248443

            Bug ID: 248443
           Summary: Panic on jail to host TCP transmission
           Product: Base System
           Version: 12.1-RELEASE
          Hardware: amd64
                OS: Any
            Status: New
          Severity: Affects Only Me
          Priority: ---
         Component: kern
          Assignee: bugs at FreeBSD.org
          Reporter: pomoke at typeof.pw

'mysqld' issued a system call that panicked the kernel.

kernel: Fatal trap 12: page fault while in kernel mode
kernel: cpuid = 0; apic id = 00
kernel: fault virtual address = 0x18
kernel: fault code            = supervisor read data, page not present
kernel: instruction pointer   = 0x20:0xffffffff80c5d6f0
kernel: stack pointer         = 0x28:0xfffffe001139e4b0
kernel: frame pointer         = 0x28:0xfffffe001139e4e0
kernel: code segment          = base 0x0, limit 0xfffff, type 0x1b
kernel:                       = DPL 0, pres 1, long 1, def32 0, gran 1
kernel: processor eflags      = interrupt enabled, resume, IOPL = 0
kernel: current process               = 98556 (mysqld)
kernel: trap number           = 12
kernel: panic: page fault
kernel: cpuid = 0
kernel: time = 1596433787
kernel: KDB: stack backtrace:
kernel: #0 0xffffffff80c1d2f7 at kdb_backtrace+0x67
kernel: #1 0xffffffff80bd062d at vpanic+0x19d
kernel: #2 0xffffffff80bd0483 at panic+0x43
kernel: #3 0xffffffff810a8dcc at trap_fatal+0x39c
kernel: #4 0xffffffff810a8e19 at trap_pfault+0x49
kernel: #5 0xffffffff810a840f at trap+0x29f
kernel: #6 0xffffffff81081c9c at calltrap+0x8
kernel: #7 0xffffffff80ded2a2 at tcp_output+0x1232
kernel: #8 0xffffffff80dff2ca at tcp_usr_send+0x47a
kernel: #9 0xffffffff80c68d7a at sosend_generic+0x51a
kernel: #10 0xffffffff80c69160 at sosend+0x50
kernel: #11 0xffffffff80c6ffd7 at kern_sendit+0x237
kernel: #12 0xffffffff80c7034e at sendit+0x19e
kernel: #13 0xffffffff80c7019d at sys_sendto+0x4d
kernel: #14 0xffffffff810a9984 at amd64_syscall+0x364
kernel: Fatal trap 12: page fault while in kernel mode
kernel: cpuid = 0; apic id = 00
kernel: fault virtual address = 0x18
kernel: fault code            = supervisor read data, page not present
kernel: instruction pointer   = 0x20:0xffffffff80c5d6f0
kernel: stack pointer         = 0x28:0xfffffe001139e4b0
kernel: frame pointer         = 0x28:0xfffffe001139e4e0
kernel: code segment          = base 0x0, limit 0xfffff, type 0x1b
kernel:                       = DPL 0, pres 1, long 1, def32 0, gran 1
kernel: processor eflags      = interrupt enabled, resume, IOPL = 0
kernel: current process               = 98556 (mysqld)
kernel: trap number           = 12
kernel: panic: page fault
kernel: cpuid = 0
kernel: time = 1596433787
kernel: KDB: stack backtrace:
kernel: #0 0xffffffff80c1d2f7 at kdb_backtrace+0x67
kernel: #1 0xffffffff80bd062d at vpanic+0x19d
kernel: #2 0xffffffff80bd0483 at panic+0x43
kernel: #3 0xffffffff810a8dcc at trap_fatal+0x39c
kernel: #4 0xffffffff810a8e19 at trap_pfault+0x49
kernel: #5 0xffffffff810a840f at trap+0x29f
kernel: #6 0xffffffff81081c9c at calltrap+0x8
kernel: #7 0xffffffff80ded2a2 at tcp_output+0x1232
kernel: #8 0xffffffff80dff2ca at tcp_usr_send+0x47a
kernel: #9 0xffffffff80c68d7a at sosend_generic+0x51a
kernel: #10 0xffffffff80c69160 at sosend+0x50
kernel: #11 0xffffffff80c6ffd7 at kern_sendit+0x237
kernel: #12 0xffffffff80c7034e at sendit+0x19e
kernel: #13 0xffffffff80c7019d at sys_sendto+0x4d
kernel: #14 0xffffffff810a9984 at amd64_syscall+0x364
kernel: KDB: stack backtrace:
kernel: #0 0xffffffff80c1d2f7 at kdb_backtrace+0x67
kernel: #1 0xffffffff80bd062d at vpanic+0x19d
kernel: #2 0xffffffff80bd0483 at panic+0x43
kernel: #3 0xffffffff80ee8b92 at ffs_bufwrite+0x352
kernel: #4 0xffffffff80c815fc at vfs_bio_awrite+0x36c
kernel: #5 0xffffffff80cb4982 at vn_fsync_buf+0x262
kernel: #6 0xffffffff8122ba0c at VOP_FSYNC_APV+0x7c
kernel: #7 0xffffffff80ee808d at ffs_sync+0x32d
kernel: #8 0xffffffff80ca793e at sys_sync+0x11e
kernel: #9 0xffffffff80c7f581 at bufshutdown+0x31
kernel: #10 0xffffffff80bcffd2 at kern_reboot+0x212
kernel: #11 0xffffffff80bd0689 at vpanic+0x1f9
kernel: #12 0xffffffff80bd0483 at panic+0x43
kernel: #13 0xffffffff810a8dcc at trap_fatal+0x39c
kernel: #14 0xffffffff810a8e19 at trap_pfault+0x49
kernel: #15 0xffffffff810a840f at trap+0x29f
kernel: #16 0xffffffff81081c9c at calltrap+0x8
kernel: #17 0xffffffff80ded2a2 at tcp_output+0x1232
kernel: Uptime: 42m6s
kernel: Rebooting...

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